• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A precision press comprises a thrust pin (7) slidably mounted along a sliding axis (Z-Z '), a device for actuating the thrust pin (7) along the sliding axis (Z-Z' ), and a magazine (21) for supporting and distributing a plurality of pushers (24). This support and distribution magazine (21) is movable between several predefined positions in each of which one of the pushers (24) is on the sliding axis (Z-Z ') of the push pin (7). so that it can be embarked by this push pin (7). The precision press comprises at least one elastic return member (26) to which a first pusher (24) among said pushers (24) is suspended so that it can be pushed and driven away from the support and dispensing magazine ( 21) by the push pin (7) from a stored position to an active position. The elastic return member (26) is able to recall the first pusher (24) from the active position to the stowed position. The invention can be used for example to set up, by driving, display needles on clockwork movement shafts.
    公开号:CH713076A2
    申请号:CH01430/16
    申请日:2016-10-25
    公开日:2018-04-30
    发明作者:Vaucher Richard；Scappaticcio Giuseppe
    申请人:Voh Sa；
    IPC主号:
    专利说明:

    Description
    TECHNICAL FIELD OF THE INVENTION [0001] The present invention relates to a precision press, such as a press as watchmakers use it for assembly work by driving.
    The present invention also relates to a tool comprising such a precision press. It also relates to a set of several interchangeable subassemblies for a precision press according to the invention. STATE OF THE ART [0003] In various fields, precision presses are used. For example, precision presses are used in the field of watchmaking. In particular, precision presses are used for mounting, by driving, components on the watch movements.
    [0004] A precision press conventionally comprises a support arranged to support and maintain a subset. Also, a precision press conventionally comprises a bracket supporting a thrust pin which is movable towards the support and which is equipped with a pusher, for example a pusher adapted to drive a component on a pin, on a tree or other element of the subset. A controller is provided for moving the pusher pin towards the support in response to an action of an operator.
    In the Swiss patent application CH 707 396, there is described a precision press which is particular in that it comprises a rotary barrel, able to occupy several predefined angular positions. Having a plurality of housings each of which is capable of receiving a pushing rod, this barrel is located between the push pin and the support, so as to present one of the housing on the path of the push pin in each of its predefined angular positions. It thus allows the selection of one of the pushing pushers to be assembled to the push pin.
    In the device proposed in the aforementioned Swiss patent application CH 707 396, the hunting pushing employee is completely detached from the barrel, the go of the push pin, and is temporarily fixed thereto so as to to be perfectly supportive. Upon return of the push pin, it detaches from this push pin after being fixed again to the barrel, in a reverse sequence. Despite the complexity of the devices fitted to the thrust pin, each of the driving pushers and the barrel to allow such operation, it may happen that the pusher falls and / or is positioned poorly on the push pin, to the go from it, and / or on the barrel, to the return of the push pin. SUMMARY OF THE INVENTION The object of the invention is at least to make a precision press more reliable, while maintaining the simplicity of use afforded by a barrel or an equivalent device.
    According to the invention, this object is achieved by means of a precision press, for example for laying components by driving, comprising: - a thrust pin slidably mounted along a sliding axis, - an actuating device the push pin according to the sliding axis, - a support and distribution magazine of several pushers, the support and distribution magazine being de-placeable between several predefined positions in each of which one of the pushers is on the sliding axis of the thrust pin so as to be embarked by this thrust pin, and - at least one elastic return member to which a first pusher of said pushers is suspended so as to be pushed and driven to the distance from the support and distribution magazine by the push pin, from a stored position, to an active position in which the first push is even to perform an action such as a driving, the resilient biasing member being able to recall the first push from the active position to the stowed position.
    In addition to achieving the above purpose, the invention has the advantage of allowing a simplification of the tooling for the introduction of components by driving, compared to the device that is proposed in the application of Swiss patent CH 707 396 mentioned above and where complex and expensive devices must equip the push pin, each of the pushers and the barrel, to allow the attachment of any pusher to the barrel and the push pin, and its detachment from them. The invention also has the advantage of allowing a reduction in the cost of the tooling allowing the introduction of components by driving, compared to the device which is proposed in the Swiss patent application CH 707 396 mentioned above.
    Another advantage of the invention is to allow a feathering of the tooling of setting up components by driving, including a clearance of the support and distribution magazine and / or pushers, compared to the tooling proposed in Swiss patent application CH 707 396 mentioned above.
    The precision press defined above may incorporate one or more other advantageous characteristics, alone or in combination, in particular among those specified below.
    Advantageously, the support and distribution magazine comprises at least one removable subassembly of which the elastic return member and the first push member.
    Advantageously, the removable subassembly comprises a securing piece provided with coupling means of itself to the support and distribution magazine. When this is so, the elastic return member is suspended from this securing piece.
    Advantageously, the securing piece comprises a sleeve configured to fit into a through hole of the support and distribution magazine. This sleeve defines a central passage for the push pin.
    Advantageously, said coupling means comprise a friction ring threaded on the sleeve or permanently installed in the through hole so as to be slipped on the sleeve during the installation of this sleeve. This friction ring is made of elastic material so that it can be elastically compressed between the sleeve and the wall of the through-hole of the support and dispensing magazine.
    Advantageously, said coupling means comprise a shoulder equipping the securing piece. Preferably, a portion of the support and dispensing magazine forms an abutment for this shoulder so as to be able to stop the insertion of the securing piece at a predetermined depth into the support and dispensing magazine.
    Advantageously, the elastic return member is a helical spring wound around the sliding axis of the thrust pin.
    Advantageously, the helical spring comprises a succession of turns each having a diameter. The diameters of at least a portion of the turns decrease as one moves along the succession of turns in the direction in which the thrust pin is actuated to move from its stored position to its active position.
    Advantageously, the thrust pin comprises a head adapted to act on at least the first pusher, more precisely at a bearing zone that includes this first pusher. Preferably, this support zone is projecting towards the thrust pin, inside the coil spring.
    Advantageously, the thrust pin comprises a head adapted to act on at least the first pusher, more precisely at a bearing zone that includes this first pusher. Preferably, this head and the bearing zone of the first pusher each define globally one of two substantially complementary cone frustums able to cooperate with each other so as to center the first pusher relative to the sliding axis of the push pin.
    Advantageously, each of the two truncated cones is substantially a portion of a cone of revolution generated by the revolution of a generator around an axis of revolution secant to this generator. Preferably, the axis of revolution and the generator form between them an angle between 10 ° and 20 °.
    Advantageously, the angle between the axis of revolution and the generator is of the order of 12 °.
    The invention also relates to a tool, for example for the laying of components by driving. This tooling comprises a precision press as defined above, as well as a set of several sub-assemblies interchangeable with each other in the sense that these sub-assemblies are configured to be able to be mounted alternately in a removable manner, at a single level. location of the support and distribution store. Preferably, a first subset of the set of interchangeable subassemblies is the removable subassembly comprising the first pusher. Preferably, a second subset of the set of interchangeable subassemblies comprises an elastic return member, called second elastic return member, and a pusher, called second pusher. Preferably, the second pusher is suspended from the second elastic return member so that it can be pushed and driven away from the support and distribution magazine by the push pin, from the stowed position to the active position. Preferably, the second elastic return member is able to recall the second pusher from the active position to the stowed position.
    The invention also relates to a set of several subsets interchangeable with each other in that these subassemblies are configured to be mounted alternately, removably, at the same location of the store. support and distribution of a precision press as defined above and incorporating some of the advantageous features specified above. Preferably, a first subset of the set of interchangeable subassemblies comprises an elastic return member, called the first elastic return member, and a pusher, called first pusher. Preferably, the first pusher is suspended from the first elastic return member so that it can be pushed and driven away from the support and dispensing magazine by the push pin, from the stowed position to the active position. Preferably, the first elastic return member is able to recall the first pusher from the active position to the stowed position. Preferably, a second subset of the set of interchangeable subassemblies comprises an elastic return member, called second elastic return member, and a pusher, called second pusher. Preferably, the second pusher is suspended from the second elastic return member so that it can be pushed and driven away from the support and distribution magazine by the push pin, from the stowed position to the active position. Preferably, the second elastic return member is able to recall the second pusher from the active position to the stowed position.
    BRIEF DESCRIPTION OF THE DRAWINGS Other advantages and features will more clearly show the following description of a particular embodiment of the invention given by way of nonlimiting example and represented in the appended drawings, among which: fig. 1 is a schematic and simplified side view of a precision press according to one embodiment of the invention, FIG. 2 is a partial view, in section along line II-II of FIG. 1, and shows what is the state of the precision press of this FIG. 1 when this precision press is inactive, FIG. 2A is an explanatory diagram of the geometry of portions of elements forming part of the precision press shown in FIG. 1 and partially in FIG. 2, and FIGS. 3 and 4 are views similar to FIG. 2 and each illustrate one of two successive states in which there are different components of the precision press of FIG. 1 when this precision press is put into action for the installation of a component by driving.
    Description of a Preferred Mode of the Invention [0026] FIG. 1 schematically represents a precision press 1 according to one embodiment of the invention. This precision press 1 is particularly suitable for the application of components, in particular microcomponents, by driving. In particular, it can be used to set up, by driving, display needles on clockwork movement shafts. The precision press 1 can also be used to perform other operations, for example punching operations.
    The precision press 1 comprises a frame 2 and other components that carries the frame 2. A base 3 of the frame 2 is provided with a counter-thrust support 4, which can be provided to receive and maintain a watch movement to be provided with one or more display hands. In the base 3 can be housed electronic control and control circuits 5, including a microprocessor, a memory, and a display screen and keys or a touch screen or one or more man-machine interfaces of another type (not individually referenced).
    A bracket 6 of the frame 2 is fixed to the base 3 and carries a thrust pin 7, at its free end which is above the support 4.
    Significantly vertical, the thrust pin 7 is mounted, for example, in two bearings (not shown), so as to slide along a sliding axis Z-Z ', which can be substantially vertical as in the example represent. The lower end of the thrust pin 7 is provided with a head 8. The counter-thrust support 4 is fixed to the frame 2 so as to be located under this head 8, in the extension of the thrust pin 7. When the push pin 7 is actuated downwards, its head 8 approaches or moves away from the counter-thrust support 4. The function of the head 8 is to exert a thrust towards the counter-thrust support 7.
    A button 9 is provided for the actuation of the push pin 7 downwards. A spring 10 has the function of returning the thrust pin 7 towards its upper position, in the direction opposite to the counter-thrust support 4.
    Of course, the actuating device of the thrust pin 7 may have another architecture. For example, while remaining manually operated, a precision press according to the invention may comprise a lever whose free end is provided with a handle. In this case, the other end of the lever may be rigidly associated with a rotary shaft, for example mounted so as to pivot on a substantially horizontal pivot axis. The lever and the rotary shaft are thus part of an actuating member, any maneuver is transmitted to the thrust pin 7, for example by means of a gear or by means of a flexible blade whose two ends are fixed to the thrust pin 7 and an intermediate portion of which is partially wound on a wheel rigidly associated with the rotary shaft.
    The actuation of the thrust pin 7 may also be the fact of an electric actuator or a motor controlled by an operator or by a control and control unit. The actuation of the thrust pin 7 can also be mixed, that is to say both manual and motorized.
    For some uses, it may be provided to adjust the height of the thrust pin 7. For example, it can be provided that the precision press 1 comprises a device 13 which is an automated adjustment device of the height of the stroke of the thrust pin 7 and which comprises in particular motor 14 whose operation is controlled by the electronic circuits 5. This motor 14 may, for example, drive a belt or a chain 15 itself driving in rotation a threaded sleeve 16 , the rotation of which changes the height of the stroke of the thrust pin 7 and therefore the height of this thrust pin 7 in its lowest position. The device 13 for automatically adjusting the height of the thrust pin 7 may furthermore comprise an additional mechanism 17 for manually adjusting the height of the stroke of the thrust pin 7. For example, it may be provided that it is possible to adjust the height of the push pin 7 to allow use of the precision press 1 for mounting display needles or the like, in the most common case where each pair of display needle - watch caliber has its own characteristics in terms of hunting height.
    An inclined support arm 20 extends from the amount of the bracket 8, towards the pin 10.
    The support arm 20 carries a magazine 21 for supporting and distributing a set of pushers for the push pin 7. In the example shown, this support and distribution magazine has the shape of a cylinder rotary 21, whose axis of rotation is referenced A-A '. However, the support and distribution magazine 21 may have another constitution. For example, it may be a drawer mounted on a slide.
    As can be seen in FIG. 2, the support and distribution magazine 21 has a plurality of locations 22 each of which is intended to receive a removable subassembly 23 comprising a specific pusher 24.
    Being rotatably mounted on the arm 20, the support and distribution magazine 21 can occupy different predefined angular positions and present one of the locations 22 in the path of the thrust pin 7 in each of its predefined angular positions. In this way, the support and distribution magazine 21 makes it possible to select among the various push-buttons 24, depending on the component to be installed and the device to be equipped with this component, and to choose which of these push-buttons 24 will be on board and used by the push pin 7 to perform the driving of the component.
    Maneuvering the support and distribution store 21 can be done manually. Also, an additional motor (not shown) may be provided to rotate the support and dispensing magazine 21 on the basis of instructions generated by the electronic circuits 5, for the purpose of positioning the required pusher 24 opposite the head 8 of the thrust pin 7.
    In addition to a pusher 24, each removable subassembly 23 comprises a securing piece 25, and an elastic return member 26 provided to recall the pusher 24 in a stowed position. In its stowed position which is that of FIG. 2, the pusher 24 is retracted inside the support and distribution magazine 21.
    The securing piece has the shape of a sleeve 25 configured to fit into a through hole 27 of the support and distribution magazine 21. This sleeve 25 defines a central passage for the thrust pin 7.
    Means for coupling the securing piece 25 to the support and dispensing magazine 21 comprise a shoulder 28 fitted to this fastening piece 25. A portion of the support and dispensing magazine forms a stop for this shoulder. 28 so as to be able to stop insertion of the securing piece 25 to a predetermined depth in the support and dispensing magazine 21.
    The coupling means of the securing piece 25 to the support and dispensing magazine 21 further comprise a friction ring 29. This friction ring 29 can be threaded onto the securing piece 25 and retained in a groove thereof, which is the case in the example shown. Also, the friction ring 29 can be permanently installed in the through hole 27 so as to be slid on the securing part 25 during the installation of this securing part 25. The friction ring 29 is made of resilient material so as to be resiliently compressible between the securing piece 25 and the wall of the through-hole 27 of the support and dispensing magazine 21.
    The elastic return member 26 is suspended from the securing piece 25. It is a helical spring 26 wound around the sliding axis Z-Z 'of the thrust pin 7.
    The helical spring 26 comprises a succession of turns. The diameters of these turns decrease as one moves along the succession of turns downwards, that is to say in the direction in which the thrust pin 7 is actuated to go from its stored position. to its active position.
    The head 8 of the thrust pin 7 is provided to act on any pusher 24, more precisely at a bearing zone 30 that includes each pusher 24. This bearing zone 30 is in position. protruding towards the thrust pin 7, inside the coil spring 26.
    The head 8 and each bearing zone 30 each define globally one of two substantially complementary cone frustums able to cooperate with each other so as to center a pusher 24 relative to the axis. sliding ZZ 'of the thrust pin 7.
    Each of the two truncated cones 40 is substantially a portion of a cone of revolution 41 generated by the revolution of a generator 42 about an axis of revolution 43 secant to this generator 42, as can be seen in FIG. see fig. 2A. The axis of revolution 43 and the generator 42 form between them an angle α, which is advantageously between 10 ° and 20 ° and, preferably, of the order of 12 °.
    The removable subassemblies 23 are part of a set of several subassemblies 23 interchangeable with each other in the sense that these subassemblies 23 are configured to be mounted alternately, removably,
    权利要求:
    Claims (14)
    [1]
    at the same location 22 of the support and distribution magazine 21. All or part of the removable subassemblies 23 of the set of several interchangeable subassemblies 23 are distinguished from each other in that they do not have the same pusher 24. Indeed, each removable subassembly 23 comprises a specific pusher 24, as already mentioned. Some of the removable subassemblies 23 of the set of several interchangeable subassemblies 23 may however be identical to each other. Tooling for laying components by driving or for other use includes the precision press 1, and the set of several subassemblies 23 interchangeable between them. When the desired pusher 24 has been placed in the extension of the thrust pin 7, facing the head 8, the thrust pin 7 can be actuated by the operator so as to descend in the direction of the support against 4. On its path, the head 8 of the thrust pin 7 engages the bearing zone 30 of the pusher 24 and drives the latter in its stroke, which is the case in FIG. 3. The head 8 pushes the pusher 24 downwards to bring it into its active position, at a height well defined with respect to the counter-thrust support 4. At this well-defined height which is that which can be ascertained in fig. 4, the driving of a component (not shown) on an element (not shown) is effected by a thrust action of the pusher 24 on this component. When the thrust pin 7 is released, it rises under the action of the spring 10. In this, the elastic return member 26 recalls the pusher 24 in its upper position, which is that of FIG. 2, i.e., its stowed position, and wherein the pusher 24 is retracted into the support and dispensing magazine 21. Claims
    1. Precision press, for example for the laying of components by driving, comprising: - a push pin (7) slidably mounted along a sliding axis (Z-Z '), - an actuating device of the spindle of pushing (7) along the axis of sliding (Z-Z '), - a magazine (21) for supporting and dispensing a plurality of pushers (24), this support and dispensing magazine (21) being movable between several positions predefined in each of which one of the pushers (24) is on the sliding axis (Z-Z ') of the thrust pin (7) so as to be embarked by this thrust pin (7), characterized in that it comprises at least one elastic return member (26) to which a first pusher (24) among said pushers (24) is suspended so that it can be pushed and driven away from the support and distribution magazine (21) by the push pin (7), from a stored position, to a e active position in which the first pusher (24) is able to perform an action such as a driving, the elastic return member (26) being able to recall the first pusher (24) from the active position until 'to the stowed position.
    [2]
    2. Precision press according to claim 1, characterized in that the support and distribution magazine (21) comprises at least one removable subassembly (23) of which the elastic return member (26) and the first pusher (24).
    [3]
    3. Precision press according to claim 2, characterized in that the removable subassembly (23) comprises a securing piece (25) provided with coupling means (28, 29) of itself to the store of support and distribution (21), the elastic return member (26) being suspended from this securing piece (25).
    [4]
    4. Precision press according to claim 3, characterized in that the securing piece comprises a sleeve (25) configured to fit into a through hole (27) of the support and dispensing magazine (21), this sleeve (25) delimiting a central passage for the thrust pin (7).
    [5]
    5. Precision press according to claim 4, characterized in that said coupling means (28, 29) comprise a friction ring (29) threaded onto the sleeve (25) or permanently installed in the through hole (27). so as to be able to slip on the sleeve (25) during the installation of this sleeve (25), this friction ring (29) being made of resilient material so as to be elastically compressible between the sleeve (25) and the wall of the through hole (27) of the support and dispensing magazine (21).
    [6]
    6. Precision press according to any one of claims 3 to 5, characterized in that said coupling means (28, 29) comprise a shoulder (28) fitted to the securing piece (25), a portion of the store support and dispensing means (21) forming a stop for said shoulder (28) so as to be able to stop the insertion of the securing piece (25) to a predetermined depth in the support and dispensing magazine (21).
    [7]
    7. Precision press according to any one of the preceding claims, characterized in that the elastic return member (26) is a helical spring (26) wound around the axis of sliding (Z-Z ') of the push pin (7).
    [8]
    8. Precision press according to claim 7, characterized in that the coil spring (26) comprises a succession of turns each having a diameter, the diameters of at least a portion of the turns decreasing as one moves the along the succession of turns in the direction in which the push pin (7) is actuated to go from its stored position to its active position.
    [9]
    Precision press according to any one of Claims 7 and 8, characterized in that the thrust pin (7) has a head (8) designed to act on at least the first pusher (24), more precisely at the a bearing zone (30) that includes this first pusher (24), this bearing zone (30) projecting towards the thrust pin (7), inside the coil spring (26).
    [10]
    Precision press according to any one of the preceding claims, characterized in that the thrust pin (7) has a head (8) adapted to act on at least the first pusher (24), more precisely at the level of a bearing zone (30) that includes this first pusher (24), this head (8) and the bearing zone (30) of the first pusher (24) each defining globally one of two substantially complementary truncated cones able to cooperate with each other so as to center the first pusher (24) relative to the axis of sliding (Z-Z ') of the thrust pin (7).
    [11]
    11. Precision press according to claim 10, characterized in that each of the two truncated cones is substantially a portion of a cone of revolution (41) generated by the revolution of a generator (42) about an axis of revolution (43) secant to this generatrix (42), the axis of revolution (43) and the generatrix (42) forming between them an angle (a) between 10 ° and 20 °.
    [12]
    12. Precision press according to claim 11, characterized in that the angle (a) between the axis of revolution (43) and the generator (42) is of the order of 12 °.
    [13]
    Tooling, for example for laying components by driving, characterized in that it comprises a precision press (1) according to any one of claims 2 to 6, and a set of several subassemblies ( 23) interchangeable with each other in that said subassemblies (23) are configured to be removably alternately mounted at a same location of the support and distribution magazine (21), a first subassembly (23) of the set of interchangeable subassemblies (23) being the removable subassembly (23) comprising the first pusher (24), a second subassembly (23) of the set of interchangeable subassemblies (23) comprising a elastic return member (26), called a second elastic return member (26), and a pusher (24), called a second pusher (24), the second pusher (24) being suspended from the second elastic return member (26). ) so that it can be pushed and trained away from the support and distribution magazine (21) by the push pin (7), from the stowed position to the active position, the second elastic return member (26) being able to recall the second pushbutton (24) from the active position to the stored position.
    [14]
    14. A set of several subassemblies (23) interchangeable with each other in the sense that these subassemblies (23) are configured to be removably alternately mounted at a same location in the support magazine and distribution (21) of a precision press (1) according to any one of claims 2 to 6, a first subassembly (23) of the set of interchangeable subassemblies (23) comprising an elastic return member (26). ), called first elastic return member (26), and a pusher (24), called first pusher (24), the first pusher (24) being suspended from the first elastic return member (26) so as to be able to be pushed and driven away from the support and distribution magazine (21) by the push pin (7), from the stored position to the active position, the first resilient return member (26) being able to recall the first pusher (24) from the activated position to the stored position, a second subassembly (23) of the set of interchangeable sub-assemblies (23) comprising an elastic return member (26), called a second elastic return member (26), and a pusher (24), called the second pusher (24), the second pusher (24) being suspended from the second elastic return member (26) so as to be pushed and driven away from the support and distribution magazine (21). ) by the thrust pin (7), from the stowed position to the active position, the second elastic return member (26) being able to recall the second pusher (24) from the active position to the position row.
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    同族专利:
    公开号 | 公开日
    CH713076B1|2021-03-15|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    CH01430/16A|CH713076B1|2016-10-25|2016-10-25|Precision press for example for fitting components, and set of several interchangeable removable sub-assemblies for such a precision press.|CH01430/16A| CH713076B1|2016-10-25|2016-10-25|Precision press for example for fitting components, and set of several interchangeable removable sub-assemblies for such a precision press.|
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