专利摘要:

公开号:SU967264A3
申请号:SU802891156
申请日:1980-03-10
公开日:1982-10-15
发明作者:Бикель Хансйерг
申请人:Мааг-Цанрэдер Унд-Машинен Аг (Фирма);
IPC主号:
专利说明:

(54;
GRINDING BABKA
The invention relates to a machine tool industry and can be used in the construction of grinding machines.
A grinding grinding wheel is provided comprising a feed drive mounted on its base, a transverse grinding head that is movable relative to its base, connected to the feed drive by means of a spindle, and a fixing device located on the grinding head in the direction of its movement tool, connected with the feeder of the right tool for plunging, and parallel to the tool are fixed on the base of the headstock and on the instrument body The serrated rails, facing the teeth -JQ, to each other and being in mesh with a gear wheel mounted with the possibility of free rotation on an axis rigidly fixed on the scaffold head Ij. . 25
However, this grinding headstock does not provide a twisted machining accuracy due to the lack of compensatory movement of the holder, the inlay tool.
The aim of the invention is to improve the accuracy of processing.
This goal is achieved by the fact that the feeder of the right tool for insertion is made in the form of a cam, installed with the possibility of a straight-line movement in the body of the straightening device and equipped with a cam-moving mechanism installed with the ability to interact with the holder of the right tool.
The cam movement mechanism can be made in the form of a pair of screw-nut, kinematically connected with the screw head of the grinding head. A: The construction of the proposed grinding headstock is shown in FIG. 1, and the diagram of the rewinding tool is shown in FIG.
权利要求:
Claims (2)
[1]
The headstock contains a base 1, on which the feed drive 2 is installed and the transverse grinding head 3 Grinding head 3 is connected to the feed drive 2 by means of a spindle 4. On the grinding head 3 there is a device 5 for grinding wheel grinding 6. In case 7 of the tool is boron 5 a movable holder 8 of the right-handed tool 9 is mounted and a device 10 for feeding the right-handed tool 9 to the plunging, made in the form of a cam 11 connected to its moving mechanism 12, is located. On the base 1, the rack 13 is rigidly fixed, and the rack 14 is rigidly fixed on the housing 7 of the device 5. The rails 13 and 14 are engaged with the gear wheel 15, installed with the possibility of free rotation on the axis 16, fixed on the grinding wheel the head 3. The cam movement mechanism 12 may be made in the form of a pair of screw 17 — a nut 18, kinematically connected, for example, by a flexible shaft 19 with a lead screw 4. Inside the leveling device 5 there can be installed a hydraulic cylinder 20 for moving the holder 8 s the right tool 9 in working position. The feed actuator 2 may comprise a hydraulic cylinder 21, a pawl 22, a ratchet 23, and a gear pair 24 associated with the i-screw 4. A gauge 25 can be used in the wheel head to record the position of the wheel 6. The wheel head is carried out in a follow-up manner. When the grinding head 3 is moved by the required amount, the fixing device 5 is also shifted relative to it by the same amount due to the gear racks 1h, 14 and the gear wheel 15, which is necessary to maintain the position of the right tool 9 relative to the grinding wheel 6 wear and tear. Taking into account that the trajectory of movement of the right tool 9 does not pass through the center of the grinding wheel 6, it is necessary to correct the amount of movement of the right tool 9, as illustrated by the diagram in FIG. With maximum wear of the grinding wheel 6, the forward tool 9 must not be displaced by the value -SwMzaiBir- by the value B + C. To ensure the correction of the displacement of the right tool 9 according to the diagram in FIG. 2, the cam 11 binds associated with its movement mechanism 12, which, in turn, is kinematically associated with the lead screw 4. Thus, by adjusting the movement of the right tool 9, associated with the movement of the grinding head 3, an increase in machining accuracy is achieved. Claim 1. Grinding head containing feed drive mounted on its base, transverse grinding head movable relative to its base, connected to feed drive by means of spindle and positioning device movable in the grinding head located on the grinding head. the holder of the right tool, connected with the feeder of the right tool for insertion, and on the basis of the headstock and iia of the dressing device, the straighteners are rigidly fixed parallel solid toothed racks facing the teeth of each other i and meshing with the gear wheel installed with the possibility of free rotation on the axis; rigidly fixed to the grinding head, characterized in that, in order to increase the machining accuracy, the insertion device of the right-hand tool is made in the form of a cam / mounted with a possibility of a straight-line movement in the body of the dressing device and provided with an installed tool cam movement mechanism.
[2]
2. Grandma Pop.1, characterized in that the cam movement mechanism is made in the form of a screw-nut pair, kinematically connected with the screw head of the grinding head. Sources of information taken into account during the examination 1. USSR Author's Certificate No. 203631, cl. B 24 B 53/12, 1965.
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同族专利:
公开号 | 公开日
DE2934345C2|1982-04-08|
JPS55125928A|1980-09-29|
EP0016342B1|1983-01-12|
DE3061557D1|1983-02-17|
US4483103A|1984-11-20|
JPS6116589B2|1986-05-01|
CH636034A5|1983-05-13|
EP0016342A1|1980-10-01|
DE2934345A1|1980-09-18|
引用文献:
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法律状态:
优先权:
申请号 | 申请日 | 专利标题
CH250379A|CH636034A5|1979-03-17|1979-03-17|DRESSING DEVICE FOR A PLATE-SHAPED GRINDING WHEEL ON A TOOTHED FRAME GRINDING MACHINE.|
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