• 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:
    Temperature control device (1) for a molding tool (14) or components of a forming machine with - at least one Temperierzweig (2, 2 ', 2' '), which is connected to a flow (3) for a tempering - a pump system comprising at least one pump (4) for conveying temperature control in the flow (3) - a pump control or pump control device (5) for controlling or regulating the delivery rate of the pump system (4) - at least one variable opening degree having throttle device (6) for throttling a flow rate of the tempering in at least one Temperierzweig (2, 2 ', 2' ') - a control or regulating device (7) with the opening degree of the at least one throttle device (6) as a manipulated variable and with a controlled variable from the group: opening degree of the throttle device, temperature, temperature difference, flow , Pressure or a physical quantity to be derived from this group, the Pum pensteuer- or pump control device (5) the flow rate of the pump system (4) in dependence of the opening degree of the at least one throttle device (6) controls or regulates.
    公开号:AT517592A4
    申请号:T51020/2015
    申请日:2015-11-27
    公开日:2017-03-15
    发明作者:
    申请人:Engel Austria Gmbh；
    IPC主号:
    专利说明:

    The present invention relates to a tempering device for a molding tool or components of a forming machine with the features of the preamble of claim 1, a forming machine with such a temperature control device and a method for controlling the temperature of a molding tool or components of a forming machine with the features of the preamble of the claim 11th
    The following discussion of the prior art is carried out by way of example with reference to an injection molding machine as a special case of a forming work machine and with reference to an injection mold of such an injection molding machine as an example of a mold of a general forming machine. The disclosure of the following application is not limited to this special case.
    By tempering is understood in the present application cooling or heating.
    In the prior art, the at least one pump is operated at constant capacity or speed controlled. Either one uses the resulting by the flow rate (flow rate or pressure, etc.) and the hydraulic resistance of at least one branch line flow rate or you use chokes to achieve a desired lower flow rate.
    The use of a pump with a constant flow rate results in several disadvantages: - Constant high energy consumption, - Reduced pump system life, - Costs for back-tempering of the temperature control medium due to excessive volume flow, - Increased leakage susceptibility and - Unnecessarily high pressure in the temperature control system.
    When using a variable speed pump, it is not easy to set the optimum operating point of the pump (in terms of energy) especially when using multiple Temperierzweige, especially if they are equipped with throttle devices.
    The object of the invention is to at least partially overcome the disadvantages described above.
    This object is achieved by a tempering device with the features of claim 1, a forming machine with such a temperature control device and a method having the features of claim 10. Advantageous embodiments of the invention are defined in the dependent claims.
    By means of the invention it is possible to operate the tempering device at the optimum operating point (in terms of energy).
    The Drosselsteuer- or throttle control device is a manipulated variable as a function of a controlled variable (eg., A specific flow in at least one tempering, a certain pressure in at least one tempering, a temperature to be reached in the object to be tempered, a temperature difference of the tempering between a flow and the return of the at least one Temperierzweigs) predetermined. Depending on this controlled variable, the throttle control or throttle control device predetermines the degree of opening of the throttle device. The current degree of opening (set value or, if a corresponding measuring device is present, the actual value) is used to set or specify the delivery rate of the pump system. A change in this capacity acts as a disturbance on the Drosselsteueroder throttle control device, which is compensated by the Drosselsteuer- or throttle control device.
    An embodiment:
    If, for example, the opening degree is below a predetermined value (preferably 80-100%, ie almost completely or completely open), the delivery rate of the pump system is reduced. As a result, the flow rate (which is selected here as a control variable for the throttle control or throttle control device, alternatively - as stated above - other control variables are used) and the Drosselsteuer- or throttle control device increases the opening degree of the throttle device. If the opening degree is still below the predetermined value for the opening degree, the delivery rate of the pump system is further reduced. This is done until the predetermined value for the opening degree of the throttle device is reached or exceeded (in the case of several throttle devices: until the predetermined value is reached or exceeded by one of the throttle devices). Although the predetermined value for the opening degree of the throttle device is reached or exceeded, the delivery rate of the pump system for a required flow rate but too low, the delivery rate of the pump system is increased until the required flow rate is given.
    The result is an optimal operating point of the entire system of pump system and throttle device with minimized hydraulic resistance while minimizing energy consumption of the pump system.
    Instead of only a predetermined value for the opening degree of the throttle device, a minimum and a maximum value can also be predetermined, so that a control band results.
    The adjustment of the delivery rate of the pump system can be done in various ways.
    It can, for. B. be provided that a machine control of the forming machine using the opening degree of the throttle device transmits a corresponding control or regulating signal to the pump system. It can also be provided that the pump system itself (or another outside of the forming work machine control or
    Control) comprises a pump control or pump control device, which transmits a corresponding control or regulating signal to the at least one pump of the pump system or a drive of the at least one pump of the pump system using the opening degree of the throttle device. It can also be provided that the throttle control or throttle control device itself transmits a corresponding control or regulation command to the pump system. It can also be provided that a user manually makes an adjustment of the delivery rate of the pump system, in response to a signal which indicates to him the direction of the intervention to be performed.
    As a tempering preferably water (gaseous or liquid) or oil is provided. However, other fluids such as carbon dioxide or nitrogen may also be used. The tempering medium can be conveyed continuously or in pulses.
    It is particularly preferred that the tempering device is designed as a side-by-side device for a shaping working machine and has one or more tempering branches. The Beistellvorrichtung can either be arranged freestanding next to the forming machine or built on this.
    The pump control or pump control device may be part of the machine control of the forming work machine, an external control, Beistellvorrichtung or a central computer system.
    The Drosselsteuer- or throttle control device may be part of the machine control of the forming work machine, an external control, Beistellvorrichtung or a central host computer system.
    The pump control or pump control device and the throttle control or throttle control device may be formed as a common control or regulating device.
    The pump system may be part of the forming work machine, a Beistellvorrichtung or a central media supply.
    The degree of opening of the throttle device may be variable continuously or in stages.
    Particularly preferably, the at least one throttle device is designed as a valve with variable opening degree. Particularly preferably, the manipulated variable of the at least one throttle device is valve positions.
    Particularly preferably, the at least one pump of the pump system and / or the possibly at least one throttle device designed as a pump is designed as a speed-controlled pump.
    Particularly preferred as a control or controlled variable, the flow rate or the temperature difference between flow and return of the at least one tempering is used by the at least one tempering.
    It can be provided that the pump control or pump control device controls or regulates the delivery rate of the pump system in dependence on a maximum current opening degree of the opening degrees of the throttle devices, taking into account the efficiency of the pump system.
    Further advantages and details of the invention will become apparent from the figures and the associated description of the figures. Show it:
    Fig. 1 is a schematic representation of the invention
    Fig. 2 shows an embodiment of a T emperiervorrichtung invention.
    Fig. 1 shows schematically a throttle device 6 and a throttle control device 7 for controlling the opening degree of the throttle device 6 and a
    Pump system 4 with a pump control device 5 for controlling the flow rate of the pump system. 4
    The two control circuits are interconnected insofar as the instantaneous opening degree of the throttle device 6 (as an example of a control variable) is transmitted from the throttle control device 7 to the pump control device 5 and the instantaneous flow rate of the pump system 4 represents a disturbance acting on the throttle device 6. Alternatively, the control variable can of course also be transmitted from the throttle device 6 to the pump control device 5.
    FIG. 2 shows a tempering device 1 for a forming tool 14 of a shaping working machine (not shown here) with three temperature control branches 2, 2 ', 2 "(the number of tempering branches 2, 2', 2" is, of course, not restrictive).
    The Temperierzweige 2, 2 ', 2 "are connected to a flow 3 and a return 8.
    There is an at least one variable speed pump comprehensive pump system 4 for the promotion of temperature control in the flow 3 available, the flow rate through a pump control or pump control device 5 is controlled or regulated. For each of the Temperierzweige shown 2, 2 ', 2 "is a variable opening degree having throttle device 6 (here in the form of valves) is present, via which the flow rate of the Temperiermediums in the respective Temperierzweig 2, 2', 2" can be throttled. The opening degrees of the throttle devices 6 are controlled or regulated by a throttle control or throttle control device 7. Via sensors 9, the flow rate can be measured and the throttle control or throttle control device 7 via lines 10 can be fed. Via lines 11, the Drosselsteuer- or throttle control device 7 adjust the opening degree of the individual throttle devices 6. Via lines 12, the individual opening degrees of the throttle devices 6 of the pump control or
    Pump control device 5 supplied. Via the line 13, the pump control or pump control device 5 can adjust the delivery rate of the pump system 4.
    The lines 10, 11, 12, 13 are only to be understood as examples, any type of data transmission is possible.
    As long as the opening degrees of all throttle devices 6 fall below a predetermined value, the speed of the pump of the pump system 4 is reduced. By reducing the speed, the flow rates decrease, the Drosselsteuer- or throttle control device 7 reacts with a stepwise opening of the throttle devices 6. The pump control or pump control device 5 reacts again to the new opening degrees until the predetermined value of one of the throttle devices 6 reaches or is exceeded. This achieves an optimum operating point with minimized hydraulic resistance of the overall system while at the same time minimizing the energy consumption of the pump.
    Innsbruck, on 27.11.2015
    权利要求:
    Claims (11)
    [1]
    claims
    1. tempering device (1) for a mold (14) or components of a forming machine with - at least one Temperierzweig (2, 2 ', 2 "), which is connected to a flow (3) for a tempering - one comprising at least one pump Pump system (4) for conveying temperature control in the flow (3) - a pump control or pump control device (5) for controlling the flow rate of the pump system (4) - at least one variable degree of opening throttle device (6) for throttling a flow rate of the temperature in the at least one Temperierzweig (2, 2 ', 2 ") - a control or regulating device (7) with the opening degree of the at least one throttle device (6) as a manipulated variable and with a controlled variable from the group: opening degree of the throttle device, temperature, temperature difference, flow , Pressure or a physical quantity to be derived from this group, thereby indicated Wirnet that the pump control or pump control device (5) controls the flow rate of the pump system (4) in response to the degree of opening of the at least one throttle device (6).
    [2]
    2. Temperature control device according to claim 1, wherein at least one of the at least one throttle device (6) is designed as a valve.
    [3]
    3. temperature control device according to at least one of the preceding claims, wherein at least one of the at least one throttle device (6) is designed as a separate from the pump system (4) pump.
    [4]
    4. tempering device according to at least one of the preceding claims, wherein the pump system (4) comprises the at least one pump and a motor for the pump.
    [5]
    5. tempering device according to at least one of the preceding claims, wherein the at least one pump of the pump system (4) and / or possibly at least one throttle device designed as a pump (6) is designed as a speed-controlled pump.
    [6]
    6. temperature control device according to at least one of the preceding claims, wherein the entire control system is designed as a cascaded control wherein the outer is the Pumpensteuer- or pump control and the inner sizes of the group opening degree of the throttle device, temperature, temperature difference, flow, pressure or off This group is derived physical quantity and thus the faster. (5).
    [7]
    7. temperature control device according to at least one of the preceding claims, wherein at least two with the flow (3) connected Temperierzweige (2, 2 ', 2 ") are provided and in each of the at least two Temperierzweige (2, 2', 2") at least one a variable opening degree throttle device (6) for throttling a flow rate of the temperature control in each Temperierzweig (2, 2 ', 2 ") is provided.
    [8]
    8. temperature control device according to claim 7, wherein the pump control or pump control device (5) controls the flow rate of the pump system (4) in response to a maximum instantaneous opening degree of the opening degrees of the throttle devices (6).
    [9]
    9. temperature control device according to claim 8, wherein the pump control or pump control device (5) controls the flow rate of the pump system (4) in response to a maximum instantaneous opening degree of the opening degrees of the throttle devices (6), taking into account the efficiency of the pump system or controls.
    [10]
    10. Shaping work machine, in particular injection molding machine, die casting machine or pressing machine, with a tempering device according to at least one of the preceding claims.
    [11]
    11. A method for tempering a mold (14) or components of a forming machine using: - at least one Temperierzweigs (2, 2 ', 2 "), which is connected to a flow (3) for a tempering - at least one pump comprehensive pump system (4) for conveying temperature control in the flow (3) - at least one variable degree of opening having throttle device (6) for throttling a flow rate of the temperature in at least one tempering (2, 2 ', 2 ") characterized in that the flow rate the pump system (4) is controlled or regulated as a function of the degree of opening of the at least one throttle device (6). Innsbruck, on 27.11.2015
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    同族专利:
    公开号 | 公开日
    CN106808658A|2017-06-09|
    AT517592B1|2017-03-15|
    EP3173208A1|2017-05-31|
    KR20170066238A|2017-06-14|
    US20170153074A1|2017-06-01|
    EP3173208B1|2018-10-31|
    CN106808658B|2021-06-22|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    EP1132192A2|2000-03-07|2001-09-12|Theysohn Extrusionstechnik Gesellschaft m.b.H.|Method and apparatus for heating and cooling extruder barrels|
    EP2762290A1|2013-02-04|2014-08-06|ENGEL AUSTRIA GmbH|Method for the temperature control of a forming tool|DE102017115384A1|2017-07-10|2019-01-10|HAHN ENERSAVE GmbH|Method for tempering a mold and tempering system|GB1145990A|1966-12-02|1969-03-19|Churchill Instr Company Ltd|Improvements in temperature controlled systems|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    ATA51020/2015A|AT517592B1|2015-11-27|2015-11-27|tempering|ATA51020/2015A| AT517592B1|2015-11-27|2015-11-27|tempering|
    EP16199594.9A| EP3173208B1|2015-11-27|2016-11-18|Tempering device|
    KR1020160157391A| KR20170066238A|2015-11-27|2016-11-24|Temperature control apparatus|
    US15/361,177| US20170153074A1|2015-11-27|2016-11-25|Temperature control apparatus|
    CN201611272962.8A| CN106808658B|2015-11-27|2016-11-25|Temperature control device|
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