CN103915744A - Wire harness machining device - Google Patents
Wire harness machining device Download PDFInfo
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- CN103915744A CN103915744A CN201310473264.4A CN201310473264A CN103915744A CN 103915744 A CN103915744 A CN 103915744A CN 201310473264 A CN201310473264 A CN 201310473264A CN 103915744 A CN103915744 A CN 103915744A
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- temperature
- wire harness
- gear mechanism
- heater
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Abstract
The invention provides a wire harness machining device which alleviates advance work caused by variation of temperature of the device, and improves machining accuracy or accuracy for determining whether the machining is good or not. A temperature sensor (6) detects the temperature of a gear mechanism (3) connected with a machining mechanism for machining a shaft (21) of a servo motor (2) and a wire harness or an index temperature similar to the temperature. Temperature regulation parts (7, 8) regulate the temperature of the gear mechanism (3) to a temperature set in advance based on the detection temperature of the temperature sensor (6).
Description
Technical field
The present invention relates to a kind of wire harness processing unit (plant) with gear mechanism, this gear mechanism and the axle of servomotor and the organisation of working that wire harness is processed are connected.
Background technology
Wire harness uses wire harness processing unit (plant) to manufacture.For example, use terminal fittings is crimped on to the wire harness processing unit (plant) such as the compression bonding apparatus of end of wire harness or the apparatus for peeling off of the coating electric wire layer of removal wire harness.In addition, patent documentation 1 shows an example of compression bonding apparatus.
The wire harness such as compression bonding apparatus or apparatus for peeling off processing unit (plant) has servomotor, the organisation of working that wire harness is processed and the gear mechanism being connected with axle and the organisation of working of servomotor.Gear mechanism makes the rotary speed deceleration of axle of servomotor or speedup and transmits the revolving force of the axle of servomotor to organisation of working.
Wire harness is being added to man-hour, according to the control model of predefined benchmark, the servomotor of wire harness processing unit (plant) is being controlled.For example, in compression bonding apparatus, in the mode of the translative mode of following the tracks of predefined electric current, the anglec of rotation of servomotor is controlled.
In addition, in wire harness processing unit (plant), for the control model of carrying out the suitable servomotor of processing according to various processing conditions and environmental condition and difference.For example, in compression bonding apparatus, the control model of servomotor is according to the processing conditions such as shape and material of the terminal fittings as processing object and electric wire and difference, and then, also according to the temperature conditions of device etc. and different., the suitable control model of servomotor changes because of the variation of temperature conditions of device.
In addition, as Patent Document 1, in the terminal compression joint operation of wire harness that has used compression bonding apparatus, relatively whether the crimped status of metal terminal well being judged automatically of the fiducial value based on various parameters and measured value.The fiducial value of the crimp height of the metal fittings of for example fiducial value of the electric current based on servomotor and the comparison of measured value and institute's crimping and measured value relatively etc. and whether crimped status is well judged automatically.
In addition, in to the whether good judgement of the crimped status of terminal fittings, the fiducial value of various parameters is according to the processing conditions such as shape and material of terminal fittings and electric wire and difference, and then, also according to the temperature conditions of device and difference., the benchmark of the suitable good judgement to whether, change because of the variation of the temperature conditions of device.For example, in the paragraph [0026] of patent documentation 1, show in to the whether good judgement of crimped status, the current value of servomotor is corrected by the measured value of the coil temperature of servomotor.
Prior art document
Patent documentation
Patent documentation 1: Japanese kokai publication hei 8-236253 communique
But, make the control model of servomotor and the benchmark to the whether good judgement of processing for the combination for each various processing conditions and temperature conditions, require a great deal of time and labour, for example implement multiple processing in order to obtain multiple processed samples and measured data, multiple processed samples are carried out to the evaluation of machining state and the analysis of measured data etc.
Particularly about temperature conditions, in supposed temperature range, can consider countless conditions, therefore machining accuracy and higher to the precision of the whether good judgement of processing, more needs huge time and labor in the operation in advance of the control model for making benchmark and the whether good benchmark of judging.On the other hand, if design temperature condition, machining accuracy and the precision deterioration to the whether good judgement of processing roughly in order to alleviate operation in advance (making the operation of benchmark).
Summary of the invention
The object of the invention is to, in wire harness processing unit (plant), alleviate the operation in advance needing because of the variation of temperature conditions of device, and improve machining accuracy or to processing the precision of whether good judgement.
The related wire harness processing unit (plant) of first method of the present invention has each inscape as follows.
(1) first inscape is the gear mechanism being connected with the axle of servomotor and organisation of working that wire harness is processed.
(2) second inscapes are temperature sensors that temperature to said gear mechanism or the target temperature suitable with this temperature detect.
(3) the 3rd inscapes are the temperature regulation section that according to the detected temperatures of said temperature transducer, the temperature of said gear mechanism are adjusted to predefined state of temperature.
The related wire harness processing unit (plant) of second method of the present invention is a mode of the related wire harness processing unit (plant) of first method.The related wire harness processing unit (plant) of second method also has the gear container that holds said gear mechanism.And said temperature transducer detects the temperature of said gear container, said temperature adjusting portion regulates the temperature of said gear container.
The wire harness processing unit (plant) that Third Way of the present invention is related is a mode of the related wire harness processing unit (plant) of second method.In the related wire harness processing unit (plant) of Third Way, said temperature adjusting portion has: heater, heats said gear container; And heater control part, according to the comparative result of the detected temperatures of said temperature transducer and predefined temperature, above-mentioned heater is controlled.
The related wire harness processing unit (plant) of cubic formula of the present invention is a mode of the related wire harness processing unit (plant) of Third Way.In the related wire harness processing unit (plant) of cubic formula, said temperature adjusting portion, has the multiple above-mentioned heater that is configured in multiple positions.
If adopt the wire harness processing unit (plant) of above-mentioned each mode, the temperature stabilization of gear mechanism.Therefore,, due to reason described later, making or multiple making that determine whether good benchmark etc. of the multiple control models that need because of the variation of temperature conditions of device in advance operation alleviate significantly.
For example, all the time, in the precision in order to ensure predetermined machining accuracy and the good judgement to whether and when each temperature conditions of three devices to five left and right has been made individually control model or has been determined whether good benchmark, the making of control model or determine whether that the needed operation in advance of making of good benchmark alleviates to 1/5th left and right from 1/3rd.
And by making the temperature stabilization of gear mechanism, the machining accuracy of wire harness and the precision to the whether good judgement of processing are also improved.Therefore, if adopt the wire harness processing unit (plant) of above-mentioned each mode, the variation that can alleviate the temperature conditions because installing causes the operation in advance needing, and improves machining accuracy or the precision to the whether good judgement of processing.
In addition, in the related wire harness processing unit (plant) of second method, the temperature of the gear container that holds gear mechanism is adjusted to predefined state of temperature.Thus, in the time that gear mechanism is enclosed in the temperature of zonule of inner sealing by adjusting, thermoregulator response becomes well, can make with less energy the temperature stabilization of gear mechanism.And, in the situation that existing wire harness processing unit (plant) has gear container, easily existing device is appended to temperature sensor and temperature regulation section.
In addition, in the related wire harness processing unit (plant) of Third Way, temperature regulation section is used the thermal control that adds of heater.Now, if the design temperature of temperature regulation section is set to the temperature higher than room temperature, can make by not comprising the easy device of cooling device the temperature stabilization of gear mechanism.
In addition, in the related wire harness processing unit (plant) of cubic formula, by being configured in multiple heaters of multiple positions and the temperature of adjusting gear mechanism.By making the decentralized temperature distribution homogenization that makes gear mechanism of heating location, make the machining accuracy of wire harness and more stable to the precision of the whether good judgement of processing thus.
Accompanying drawing explanation
Fig. 1 is that an example of the wire harness processing unit (plant) related in embodiments of the present invention is the end view that comprises profile in a part for compression bonding apparatus 1.
Fig. 2 is the rearview of compression bonding apparatus 1.
Fig. 3 is the tendency chart of the process values of the crimping process separately of compression bonding apparatus 1 and compression bonding apparatus in the past.
Embodiment
Below, with reference to accompanying drawing, embodiments of the present invention are described.Following execution mode is to have specialized an example of the present invention, is not the example that limits technical scope of the present invention.
First,, with reference to Fig. 1,2, the structure that is compression bonding apparatus 1 to an example of the related wire harness processing unit (plant) of embodiments of the present invention describes.In addition, in Fig. 1, describe terminal fittings 91 and the electric wire 92 of the object of processing as the crimping being realized by compression bonding apparatus 1 by dummy line (double dot dash line).
Compression bonding apparatus 1 is the device using in order to be manufactured on the electric wire with terminal comprising in the wire harness on vehicles such as being for example equipped on automobile.In compression bonding apparatus 1, by a part for terminal fittings 91 therein side dispose under the state of end of electric wire 92 and bend, thereby a part for terminal fittings 91 is crimped on to the end of electric wire 92.
As shown in Figure 1, 2, compression bonding apparatus 1 has servomotor 2, gear mechanism 3, cam mechanism 41, pressure head portion 42, processing department 43, platform portion 44, gear container 51, framework 52, temperature sensor 6, heater 7 and heater control part 8.Cam mechanism 41 and pressure head portion 42 are the parts that form the organisation of working that wire harness is processed.
< servomotor >
Servomotor 2 is drive sources of compression bonding apparatus 1.The actuating force of servomotor 2 is delivered to processing department 43 by gear mechanism 3, cam mechanism 41 and pressure head portion 42.
< gear mechanism >
A part for the axle 21 of gear mechanism 3 and servomotor 2 and the organisation of working that wire harness is processed is that cam mechanism 41 is connected.That is, the axle 21 of servomotor 2 is connected with the input part of gear mechanism 3, and the output shaft 31 of gear mechanism 3 is connected with the input part of cam mechanism 41.
Gear mechanism 3 is for example to make the rotary speed of the axle 21 of servomotor 2 slow down and the revolving force of the axle of servomotor 2 21 is delivered to the reductor of cam mechanism 41.In addition, also can think that gear mechanism 3 is for booster engine.
< cam mechanism >
Cam mechanism 41 is that rotatablely moving of the output shaft of gear mechanism 3 31 is converted to reciprocating mechanism.Leading section as the connecting rod 411 of the efferent of cam mechanism 41 is rotated and is moved back and forth by the output shaft 31 of gear mechanism 3.Cam mechanism 41 is for example crank mechanism.
The < pressure head > of portion
Pressure head portion 42 is the parts (piston portion) that are connected and move back and forth by the rotation of servomotor 2 with the leading section of the connecting rod 411 of cam mechanism 41.
< processing department and the > of platform portion
Processing department 43 is to directly act on the processed portion of wire harness and part that wire harness is processed.In addition, platform portion 44 is parts of the processed portion of mounting wire harness.
In the present embodiment, processing department 43 be make to surround the electric wire 92 in terminal fittings 91 end tripartite and be tabular pressure contact portion bending and be anchored on the connector presser of the end of electric wire 92.In addition, platform portion 44 is anvil blocks of the mounting pressure contact portion of terminal fittings 91 and the end of electric wire 92.
The pressure contact portion of terminal fittings 91 and the end of electric wire 92 to the processed portion as wire harness processes by sandwich the pressure contact portion of terminal fittings 91 and the end of electric wire 92 between them for connector presser (processing department 43) and anvil block (platform portion 44).
< gear container >
Gear container 51 is the containers that hold gear mechanism 3.In the example shown in Fig. 1,2, gear container 51 is containers cylindraceous.Gear container 51 is for example by the container forming as the material of principal component using metals such as iron, stainless steel or aluminium.
< framework >
Framework 52 is support the gear container 51 that is connected with servomotor 2 one and cam mechanism 41 and hold gear container 51 and the part of cam mechanism 41.In Fig. 1, about the part of framework 52, by oblique line, its section is shown.
< temperature sensor >
Temperature sensor 6 is transducers that the temperature to gear mechanism 3 or the target temperature that is equivalent to this temperature detect.Although the typical case of temperature sensor 6 is thermistors, also can expect adopting diode temperature sensor or thermocouple etc. as temperature sensor 6.
Temperature sensor 6 in present embodiment is transducers that the temperature of gear container 51 is detected, and is an example of the transducer that detects of the target temperature of the temperature to being equivalent to gear mechanism 3.For example, temperature sensor 6 is embedded in the wall of gear container 51.Now, can expect that temperature sensor 6 is to be kept under the state being inserted in the cavity forming in the wall of gear container 51.
In addition, in the present embodiment, although a temperature sensor 6 has been installed in gear container 51, also can expect that compression bonding apparatus 1 has multiple temperature sensors 6 of the multiple positions that are arranged on gear container 51.
< heater >
Heater 7 is the equipment that gear container 51 is heated, for example, be heater or the halogen heater etc. of electric resistor heating type.In the example shown in Fig. 1,2, heater 7 is imbedded in the wall of gear container 51.Now, can expect that heater 7 is to be kept under the state being inserted in the cavity forming in the wall of gear container 51.
In addition, as shown in Figure 1, 2, in the present embodiment, multiple heaters 7 are configured in the multiple positions in gear container 51.In the example shown in Fig. 2, three heaters 7 are installed on gear container 51.
< heater control part >
Heater control part 8 is according to the comparative result of the detected temperatures of temperature sensor 6 and predefined temperature and the device of control heater 7.Heater control part 8 has processor 81 and heater drive circuit 82.
Processor 81 is for example to comprise CPU(Central Processor Unit) microprocessor unit or sequencer etc.Processor 81 is controlled heater 7 by heater drive circuit 82 with presetting the comparison of temperature according to the detected temperatures of temperature sensor 6.For the temperature controlled design temperature of gear mechanism 3 being set to temperature fully high compared with disposing the room temperature in room of compression bonding apparatus 1.
For example, can expect that processor 81 controls heater 7 via heater drive circuit 82 according to any one in multiple control laws shown below.
The first case of control law is control law as described below: in the detected temperatures of temperature sensor 6 during lower than a predefined target temperature, the connection signal that heater 7 is worked is outputed to heater drive circuit 82, during higher than target temperature, the cut-off signal that heater 7 is stopped is outputed to heater drive circuit 82 in the detected temperatures of temperature sensor 6.
In addition, the second case of control law is control law as described below: in the detected temperatures of temperature sensor 6 during lower than a predefined target temperature, by with and target temperature and detected temperatures between the differential pair heat of answering make the driving signal that heater 7 is worked output to heater drive circuit 82, during higher than target temperature, the cut-off signal that heater 7 is stopped is outputed to heater drive circuit 82 in the detected temperatures of temperature sensor 6.
In addition, the 3rd example of control law is control law as described below: in the detected temperatures of temperature sensor 6 during lower than the first design temperature, the connection signal that heater 7 is worked is outputed to heater drive circuit 82, when than low the second design temperature of the first design temperature, the cut-off signal that heater 7 is stopped is outputed to heater drive circuit 82 in the detected temperatures of temperature sensor 6.In addition, it will also be appreciated that processor 81 by the PID control of the comparison between detected temperatures and target temperature based on temperature sensor 6 and the heat of heater 7 is controlled.
In addition, can expect that processor 81 controls multiple heaters 7 into equal state, in addition, also can expect that processor 81 is by making multiple heaters 7 work individually or stop and periodically the heat of multiple heater 7 entirety being controlled.
In addition, heater drive circuit 82 is according to coming the control signal of self processor 81, at least work to heater 7 and stop controlling.In addition, also can expect that heater drive circuit 82 is according to carrying out the control command of self processor 81 and the heat of the heater 7 in work being controlled.
As shown above, heater control part 8 and heater 7 are adjusted to predefined state of temperature according to the detected temperatures of temperature sensor 6 by the temperature of gear mechanism 3.More particularly, heater control part 8 and heater 7 regulate the temperature of gear container 51 according to the detected temperatures of temperature sensor 6.In addition, heater control part 8 and heater 7 are examples that the temperature of gear mechanism 3 are adjusted to the temperature regulation section of predefined state of temperature.
< effect >
Known according to various experiments, in compression bonding apparatus, if the temperature stabilization of gear mechanism 3, the stable accuracy of the crimping of terminal fittings processing, the value of the various parameters such as electric current and crimp height of the servomotor in the time obtaining good processing result is also stable.; temperature conditions in the temperature conditions of known compression bonding apparatus, gear mechanism 3, occupies for the impact of the control model of the servomotor 2 for guaranteeing predetermined machining accuracy with for the major part of the impact of the fiducial value for judging the whether good parameter of processing.
Fig. 3 is the tendency chart that carries out the process values of the crimping process that the temperature controlled compression bonding apparatus 1 of gear mechanism 3 and the existing compression bonding apparatus that does not carry out uniform temp control are used separately.The compression bonding apparatus 1 now using is only whether possess and carry out the above-mentioned temperature controlled structure to gear mechanism 3 from the different of existing compression bonding apparatus.
Fig. 3 (a) is the curve chart while having used existing compression bonding apparatus, and Fig. 3 (b) is the curve chart while having used compression bonding apparatus 1.In each curve chart, the process values PV of the longitudinal axis is the measured value suitable with the output torque of servomotor 2, and moment of torsion is higher for the less output of process values PV.In addition, in each curve chart, transverse axis is time shaft.
In addition, in each curve chart, the process values PV(output torque that the ambient temperature of having described to be illustrated in device obtains while being respectively 5 ℃, 10 ℃, 15 ℃, 20 ℃, 25 ℃, 30 ℃ and 35 ℃) seven curves.In addition, in any one of seven temperature conditions, compression bonding apparatus 1 is identical with the control model of the servomotor 2 in existing compression bonding apparatus.
As known from the curve chart of Fig. 3 (a), having used in the crimping process of existing compression bonding apparatus, even with identical control model control servomotor 2, output torque also differs greatly according to ambient temperature.The output torque of servomotor 2 is largely subject to the impact of the crimp quality of crimp type terminal, and in the time that the deviation of output torque is large, the deviation of other process values such as crimp height is also large.Therefore, having used in the crimping process of existing compression bonding apparatus, the quality of the crimp type terminal obtaining differs greatly according to ambient temperature.
On the other hand, as known from the curve chart of Fig. 3 (b), having used in the crimping process of compression bonding apparatus 1, if servomotor 2 is with identical control model control, even if variation of ambient temperature also produces the deviation of output torque hardly.Now, the deviation of other process values such as crimp height is also little.Therefore, having used in the crimping process of compression bonding apparatus 1, irrelevant with the variation of ambient temperature, the steady quality of the crimp type terminal obtaining.
As shown above, if adopt compression bonding apparatus 1, the various process values of the temperature stabilization of gear mechanism 3, and then crimping process are stable.Therefore,, due to the above-mentioned reason based on various experiments, making or multiple making that determine whether good benchmark etc. of the multiple control models that need because of the variation of temperature conditions of device in advance operation significantly reduce.For example, all the time, in the precision in order to ensure to predetermined crimping precision and the whether good judgement of crimped status, when each temperature conditions of three devices to five left and right has been made individually control model or determined whether good benchmark, the making of control model or determine whether that the needed operation in advance of making of good benchmark reduces to 1/5th left and right from 1/3rd.
And by making the temperature stabilization of gear mechanism 3, the precision that the crimping of terminal fittings 91 is processed and the precision to the whether good judgement of processing are also improved.Therefore, if adopt compression bonding apparatus 1, can alleviate the operation in advance needing because of the variation of temperature conditions of device, and improve machining accuracy or to processing the precision of whether good judgement.
In addition, in compression bonding apparatus 1, the temperature of holding the gear container 51 of gear mechanism 3 is adjusted to predefined state of temperature.Thus, in the time that gear mechanism 3 is enclosed in the temperature of zonule of inner sealing by adjusting, thermoregulator response becomes well, can make with less energy the temperature stabilization of gear mechanism 3.And, in the situation that existing compression bonding apparatus has gear container 51, easily existing device is appended to temperature sensor 6 and heater 7.
In addition, in compression bonding apparatus 1, the temperature of gear mechanism 3 regulates the thermal control that adds by using heater 7 to carry out.Now, if the design temperature of gear mechanism 3 is set to the temperature higher than room temperature, can make by not comprising the easy device of cooling device the temperature stabilization of gear mechanism 3.
In addition, on the multiple mechanical parts such as gear and axle that comprise at gear mechanism 3, be coated with the lubricants such as lubricating grease.Lubricant shows stable lubrication property in than the high temperature environment of general room temperature (0 ℃ to 35 ℃ left and right).Therefore, the temperature of gear mechanism 3 is maintained to the temperature higher than room temperature, thereby make the stability of characteristics of gear mechanism 3, and then make the machining accuracy of wire harness also stable.
In addition, in compression bonding apparatus 1, by being configured in multiple heaters 7 of multiple positions and the temperature of adjusting gear mechanism 3.By making the decentralized temperature distribution homogenization that makes gear mechanism 3 of heating location, make the machining accuracy of wire harness and more stable to the precision of the whether good judgement of processing thus.
Other > of <
Compression bonding apparatus 1 is above an example of wire harness processing unit (plant), and the present invention can also be applicable to possess other wire harness processing unit (plant)s of servomotor 2 and gear mechanism 3.
In addition, in compression bonding apparatus 1, it will also be appreciated that temperature sensor 6 is configured in gear container 51, thereby the ambient temperature that is gear mechanism 3 by the temperature in gear container 51 detects as the target temperature suitable with the temperature of gear mechanism 3.
In addition, in compression bonding apparatus 1, it will also be appreciated that temperature sensor 6 to be configured under the state contacting with gear mechanism 3 in gear container 51 or by contactless temperature sensors 6 such as radiation thermometers to be configured to towards gear mechanism 3.Thus, by the temperature of temperature sensor 6 detection of gear mechanisms 3 self.
In addition, it will also be appreciated that and make compression bonding apparatus 1 there is the cooling control part of controlling this cooling device according to the detected temperatures of the cooling devices such as the fan for cooling gear mechanism 3 and temperature sensor 6.
In addition, wire harness processing unit (plant) involved in the present invention in the invention scope that is recorded in each claim, can also a part ofly form by being suitably out of shape for the execution mode shown in above or omitting.
Claims (4)
1. a wire harness processing unit (plant), has:
Gear mechanism, is connected with the axle of servomotor and organisation of working that wire harness is processed;
Temperature sensor, the temperature to described gear mechanism or the target temperature suitable with this temperature detect; And
Temperature regulation section, is adjusted to predefined state of temperature according to the detected temperatures of described temperature sensor by the temperature of described gear mechanism.
2. wire harness processing unit (plant) according to claim 1, wherein,
Also there is the gear container that holds described gear mechanism,
Described temperature sensor detects the temperature of described gear container,
Described temperature regulation section regulates the temperature of described gear container.
3. wire harness processing unit (plant) according to claim 2, wherein,
Described temperature regulation section has:
Heater, heats described gear container; And
Heater control part, controls described heater according to the comparative result of the detected temperatures of described temperature sensor and predefined temperature.
4. wire harness processing unit (plant) according to claim 3, wherein,
Described temperature regulation section has the multiple described heater that is configured in multiple positions.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2013000817A JP2014135122A (en) | 2013-01-08 | 2013-01-08 | Wiring harness processing device |
JP2013-000817 | 2013-01-08 |
Publications (1)
Publication Number | Publication Date |
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CN103915744A true CN103915744A (en) | 2014-07-09 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201310473264.4A Pending CN103915744A (en) | 2013-01-08 | 2013-10-11 | Wire harness machining device |
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JP (1) | JP2014135122A (en) |
CN (1) | CN103915744A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113381258A (en) * | 2021-06-02 | 2021-09-10 | 国网河北省电力有限公司电力科学研究院 | Cable crimping equipment capable of switching operation modes and cable crimping method |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106981844A (en) * | 2016-01-19 | 2017-07-25 | 黄志刚 | A kind of thermal stripping apparatus |
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JPH08236253A (en) * | 1994-12-28 | 1996-09-13 | Yazaki Corp | Controlling method for contact crimping apparatus |
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CN113381258A (en) * | 2021-06-02 | 2021-09-10 | 国网河北省电力有限公司电力科学研究院 | Cable crimping equipment capable of switching operation modes and cable crimping method |
CN113381258B (en) * | 2021-06-02 | 2022-11-18 | 国网河北省电力有限公司电力科学研究院 | Cable crimping equipment capable of switching operation modes and cable crimping method |
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JP2014135122A (en) | 2014-07-24 |
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Application publication date: 20140709 |