Coil terminal automatic welding device

Abstract

The utility model discloses an automatic welding device for coil terminals. The automatic welding device comprises a multi-station rotating module, a plurality of welding modules and a blanking module, wherein the welding modules and the blanking module are annularly arranged on the periphery of the multi-station rotating module; the multi-station rotating module comprises a circular rotating disc provided with a tool module, a welding tool of the tool module is provided with a containing groove used for containing and limiting products, and the outer end of the containing groove is provided with a limiting groove and a supporting boss used for supporting coil terminals of the products. The welding module comprises a sliding table arranged on the periphery of the multi-station rotating module, a lower electrode and a second descending air cylinder are arranged on the sliding table, and an upper electrode capable of ascending and descending relative to the lower electrode is arranged on the second descending air cylinder. A clamping jaw capable of moving relative to the welding tool is arranged on the discharging module in a driving mode. The utility model discloses an automatic welding device for a coil terminal, which improves the welding stability, prevents a product from displacing due to stress during welding operation, further improves the welding efficiency and saves manpower.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic equipment technical field especially relates to a coil terminal automatic welding device. BACKGROUND

[0002] The electric control valve is an electric control element widely used in the air conditioning refrigeration environment of various vehicles, which mainly controls the on-off of internal air pressure after external power supply, thereby achieving the function of controlling air conditioning refrigeration.

[0003] The electric control valve is powered through the coil terminal and external elements, and the copper wire ends need to be wound on the two terminals of the coil after the copper wire is wound, and the copper wire and the terminal are welded and fixed through the welding equipment. If the welding is not firm or not welded, it will affect the stability of the electric control valve power supply. SUMMARY

[0004] The utility model overcomes the insufficient prior art, provides a kind of automatic welding device for coil terminal, improves the stability of welding, prevents product displacement due to stress when welding operation, further improves welding efficiency, saves manpower.

[0005] To achieve the above object, the utility model adopts the technical scheme that a kind of coil terminal automatic welding device, it include: multi-station rotary module and the several welding module and blanking module of ring around in the periphery of multi-station rotary module;Multi-station rotary module includes the circular turntable of DD motor drive connection, circular turntable outer side is provided with several tooling modules, and tooling module includes the welding tooling set on circular turntable;Welding tooling is provided with the receiving slot for receiving limit product, and the side wall of the left and right sides of receiving slot is respectively oppositely provided with taking and placing material groove, and the outer end of receiving slot is provided with limiting recess, and the support boss for supporting the coil terminal of product is reserved between adjacent limiting recess, and coil terminal can extend out support boss;Welding module includes the horizontal movement cylinder two set in the periphery of multi-station rotary module, horizontal movement cylinder two is provided with sliding table, and sliding table is provided with lower electrode and the lower drop cylinder two located in the outer side of lower electrode, and lower drop cylinder two is provided with the upper electrode that can be lifted relative to lower electrode;Blanking module is driven to be provided with the clamping jaw that can be displaced relative to welding tooling.

[0006] In a preferred embodiment of the utility model, the blanking module includes a horizontal movement cylinder one set in the periphery of the multi-station rotary module, the horizontal movement cylinder one is drivingly connected to a lower drop cylinder one that can extend and retract relative to the multi-station rotary module, the lower drop cylinder one is drivingly connected to a clamping jaw cylinder that can lift relative to the tooling module on the circular turntable, and the clamping jaw cylinder is drivingly connected to a clamping jaw, and the clamping jaw opens and closes relative to the receiving slot of the welding tooling.

[0007] In a preferred embodiment of the utility model, the clamping side of the clamping jaw is an arc-shaped clamping side.

[0008] In a preferred embodiment of the utility model, the welding tool is limited on the circular turntable through the horizontal adjusting plate and the vertical adjusting plate;

[0009] The horizontal adjusting plate is locked on the work station of the circular turntable through the waist-shaped hole and the mounting bolt, the horizontal adjusting plate is provided with a mounting groove, one end of the vertical adjusting plate is movably embedded in the mounting groove of the horizontal adjusting plate, the vertical adjusting plate is locked on the horizontal adjusting plate through the waist-shaped hole and the mounting bolt, and the horizontal adjusting plate and the vertical adjusting plate are assembled longitudinally and transversely; the welding tool is fixedly mounted on the mounting table of the vertical adjusting plate.

[0010] In a preferred embodiment of the utility model, the vertical adjusting plate is limited in the mounting groove of the horizontal adjusting plate; the horizontal adjusting plate is provided with an abutting boss, the bottom of the welding tool is provided with a mounting boss abutting and limiting the abutting boss, and the abutting boss and the mounting boss are mutually coincident and abut and are assembled and fixed through the mounting bolt.

[0011] In a preferred embodiment of the utility model, the circular turntable is uniformly and circularly provided with a feeding station, a first welding station, a second welding station and a discharging station according to the process, and the feeding station, the first welding station, the second welding station and the discharging station are respectively provided with a tool module;

[0012] The periphery of the circular turntable is provided with two welding modules corresponding to the first welding station, the second welding station and the discharging station and a discharging module.

[0013] In a preferred embodiment of the utility model, the intermittent rotation angle of the DD motor is 90°.

[0014] In a preferred embodiment of the utility model, the inner side of the storage groove of the welding tool is provided with a plurality of empty grooves, and the empty grooves are located on the opposite sides of the supporting boss and the limiting groove.

[0015] The limiting groove and the material taking and placing groove are both concave groove structures with open top.

[0016] Compared with the prior art, the utility model has the advantages of:

[0017] The utility model discloses an automatic welding device for coil terminal, can be convenient for the stable location of the product of welding, improves the stability of welding, prevents the displacement of product because of stress when welding operation, further improves the welding efficiency, saves manpower.

[0018] The utility model can conveniently replace the product welding tool, satisfies various product welding demands, effectively saves equipment investment, the mechanical equipment of the utility model is automatically operated to replace traditional manual operation, the DD motor rotates stably and has high precision, and the welding qualified rate is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] The utility model is further explained below in connection with the drawings and embodiments.

[0020] Figure 1 It is the shaft view structural diagram of a kind of coil terminal automatic welding device of the utility model Figure One ;

[0021] Figure 2 It is the shaft view structural diagram of a kind of coil terminal automatic welding device of the utility model Figure Two ;

[0022] Figure 3 It is the shaft view structural diagram of a kind of coil terminal automatic welding device of the utility model Figure Three ;

[0023] Figure 4 It is the shaft view structural diagram of a kind of coil terminal automatic welding device of the utility model Figure Four ;

[0024] Figure 5 It is the top view structural diagram of a kind of coil terminal automatic welding device of the utility model;

[0025] Figure 6 It is the shaft view structural diagram of welding module in a kind of coil terminal automatic welding device of the utility model;

[0026] Figure 7 It is the shaft view structural diagram of blanking module in a kind of coil terminal automatic welding device of the utility model;

[0027] Figure 8 It is the shaft view structural diagram of multi-station rotary module in a kind of coil terminal automatic welding device of the utility model;

[0028] Figure 9 It is the shaft view structural diagram of tooling module in a kind of coil terminal automatic welding device of the utility model Figure One ;

[0029] Figure 10 It is the shaft view structural diagram of tooling module in a kind of coil terminal automatic welding device of the utility model Figure Two ;

[0030] Figure 11 It is the shaft view structural diagram of tooling module in a kind of coil terminal automatic welding device of the utility model Figure Three ;

[0031] Figure 12 It is the shaft view structural diagram of tooling module in a kind of coil terminal automatic welding device of the utility model without placing product Figure Three ;

[0032] Fig. 1 - machine, 2 - multi-station rotary module, 21 - DD motor, 22 - circular turntable, 23 - tooling module, 231 - horizontal adjustment plate, 232 - vertical adjustment plate, 234 - welding tooling, 235 - receiving groove, 236 - support boss, 237 - limiting groove, 238 - clearance groove, 239 - feeding and taking-out groove, 3 - blanking module, 31 - horizontal moving cylinder one, 32 - descending cylinder one, 33 - clamping jaw cylinder, 331 - clamping jaw, 4 - welding module, 41 - horizontal moving cylinder two, 42 - descending cylinder two, 43 - upper electrode, 44 - lower electrode, 5 - product. DETAILED DESCRIPTION

[0033] The technical scheme of the utility model will be described in detail below with reference to the drawings and specific embodiments. It should be understood that the embodiments of the utility model and the specific features in the embodiments are detailed descriptions of the technical scheme of the utility model, rather than limitations of the technical scheme of the utility model. In the case of no conflict, the technical features in the embodiments of the utility model and the embodiments can be combined with each other.

[0034] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a specific orientation to be constructed and operated in a specific orientation, so it cannot be understood as a limitation of the utility model.

[0035] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrated; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. Embodiment one

[0036] As Figures 1-12 shown, a coil terminal automatic welding device, comprising: a multi-station rotary module 2 arranged on a machine 1, and a plurality of welding modules 4 and blanking modules 3 arranged around the multi-station rotary module 2.

[0037] Specifically, the circular turntable 22 is uniformly and annularly provided with a feeding station, a first welding station, a second welding station and a discharging station according to the process, and the feeding station, the first welding station, the second welding station and the discharging station are respectively provided with a tooling module 23; the circular turntable 22 is annularly provided with two welding modules 4 corresponding to the first welding station, the second welding station and the discharging station and a discharging module 3.

[0038] Specifically, the multi-station rotary module 2 comprises a circular turntable 22 drivenly connected with a DD motor 21, and the DD motor 21 is intermittently rotated by an angle of 90° each time. The circular turntable 22 is provided with a plurality of tooling modules 23 along the outer periphery, and each tooling module 23 comprises a welding tool 234 arranged on the circular turntable 22; the welding tool 234 is defined to be mounted on the circular turntable 22 by a horizontal adjusting plate 231 and a vertical adjusting plate 232.

[0039] Further, the horizontal adjusting plate 231 is locked on the station of the circular turntable 22 through a waist-shaped hole and a mounting bolt, and the horizontal adjusting plate 231 is provided with a mounting groove, one end of the vertical adjusting plate 232 is movably embedded in the mounting groove of the horizontal adjusting plate 231, and the vertical adjusting plate 232 is locked on the horizontal adjusting plate 231 through a waist-shaped hole and a mounting bolt, and the horizontal adjusting plate 231 and the vertical adjusting plate 232 are assembled longitudinally and transversely; the welding tool 234 is fixedly mounted on the mounting table of the vertical adjusting plate 232. The vertical adjusting plate 232 is defined in the mounting groove of the horizontal adjusting plate 231; the horizontal adjusting plate 231 is provided with an abutting boss, the bottom of the welding tool 234 is provided with a mounting boss abutting and limiting the abutting boss, the abutting boss and the mounting boss are coincident and abutted and assembled and fixed through the mounting bolt. In this embodiment, the waist-shaped holes of the horizontal adjusting plate 231 and the vertical adjusting plate 232 are used to adjust the horizontal and vertical positions, and the mounting groove of the horizontal adjusting plate 231 and the vertical adjusting plate 232 are used to limit the horizontal position. The abutting boss of the vertical adjusting plate 232 and the mounting boss of the welding tool 234 are assembled and defined to limit the vertical position.

[0040] Further, the welding tool 234 is provided with a receiving groove 235 for receiving the product 5, which is a concave rectangular cavity. The left and right side walls of the receiving groove 235 are respectively provided with a material taking and placing groove 239. The outer end of the receiving groove 235 is provided with a limiting groove 237, and the adjacent limiting grooves 237 are provided with a support boss 236 for supporting the coil terminal of the product 5, and the coil terminal can extend out of the support boss 236. The inner side of the receiving groove 235 of the welding tool 234 is provided with a plurality of empty grooves 238, which are located on the opposite side of the support boss 236 and the limiting groove 237. The limiting groove 237 and the material taking and placing groove 239 are both concave groove structures with open top. In this embodiment, the large end of the product 5 is received by the receiving groove 235. The material taking and placing groove 239 is provided on the side wall of the receiving groove 235, which is convenient for cooperating with the clamping jaw 331 of the blanking module 3 to realize clamping and taking and placing the product 5. The support boss 236 reserved between the adjacent limiting grooves 237 is used for supporting the coil terminal of the product 5, and cooperates with the limiting groove 237. The protruding part of the product 5 can be movably embedded in the limiting groove 237, which limits the position of the product 5 in the receiving groove 235, and prevents the product 5 from being offset due to stress during welding.

[0041] Specifically, the welding module 4 includes a transverse cylinder two 41 arranged on the periphery of the multi-station rotary module 2 and capable of telescopic displacement relative to the circular turntable 22. A sliding table is slidably arranged on the transverse cylinder two 41. A lower electrode 44 and a lowering cylinder two 42 located outside the lower electrode 44 are arranged on the sliding table. An upper electrode 43 capable of lifting relative to the lower electrode 44 is arranged on the lowering cylinder two 42. The lower electrode 44 and the upper electrode 43 are both welding electrodes of resistance welding in the prior art.

[0042] Specifically, the blanking module 3 includes a transverse cylinder one 31 arranged on the periphery of the multi-station rotary module 2 and capable of driving a lowering cylinder one 32 to telescope relative to the multi-station rotary module 2. A clamping jaw cylinder 33 capable of lifting relative to the tool module 23 on the circular turntable 22 is driven on the lowering cylinder one 32. A clamping jaw 331 is drivingly connected to the clamping jaw cylinder 33. The clamping jaw 331 is opened and closed relative to the receiving groove 235 of the welding tool 234 to clamp. The blanking module 3 is drivingly provided with the clamping jaw 331 capable of displacing relative to the welding tool 234. The clamping side of the clamping jaw 331 is an outwardly recessed arc-shaped clamping side.

[0043] Working principle:

[0044] In the first embodiment, as Figure 1As shown, an automatic welding device for coil terminals, the structure comprises: multi-station rotary module 2, blanking module 3, welding module 4. Multi-station rotary module 2 structure comprises: DD motor 21, circular turntable 22, transverse adjusting plate 231, vertical adjusting plate 232, welding tooling 234. Blanking module 3 uses horizontal moving cylinder 31, descending cylinder 32, clamping jaw cylinder 33. Welding module 4 uses the standard resistance welding equipment in the prior art, and the resistance welding equipment comprises upper electrode 43 and lower electrode 44, and the upper electrode 43 can press down to contact product 5 to connect current to generate heat.

[0045] When in use, when the product 5, i.e. the coil, is placed on the corresponding welding tooling 234 of the circular turntable 22, the large end part of the product 5 is accommodated through the accommodation groove 235 of the welding tooling 234, and the coil terminal of the product 5 is supported by the supporting boss 236, the protruding part of the product 5 is movably limited in the limiting groove 237, and the product 5 is prevented from rotating in the accommodation groove 235. After completing the first feeding, the DD motor 21 automatically rotates by 90°, the product 5 is rotated to the corresponding welding position of the resistance welding machine of the welding module 4, the upper electrode 43 of the welding module 4 presses down to press the coil terminal of the product 5 on the surface of the lower electrode 44, the current is connected to generate heat to complete the welding of one side terminal of the product 5, and when the DD motor 21 rotates again, the coil of the product 5 is at the welding position of the second group, and the resistance welding machine of the welding module 4 at the welding position of the second group welds the other side terminal of the product 5. The coil terminal of the product 5 is completed and transferred to the blanking module 3 corresponding to the blanking position, the blanking module 3 horizontally moves, descends and clamps the product 5 whose coil terminal welding is completed, and the blanking action is completed. Because the taking and placing material groove 239 is arranged on the welding tooling 234, the clamping jaw 331 of the clamping jaw cylinder 33 can conveniently clamp the product. Embodiment two

[0046] As Figures 1-7 shown, on the basis of embodiment one, the resistance welding machine in the prior art is used in the welding module 4 in this embodiment, and the displacement sensor and the pressure sensor in the prior art are further arranged between the installation end part of the upper electrode 43 and the lower electrode 44 and the equipment. The displacement sensor and the pressure sensor are used to monitor and record the displacement, pressure and current data of the resistance welding machine, so that the traceability of the welding data of the batch products is realized. When the product is welded for the first time, the pressure, displacement, current and other parameters in the welding process of the welding position of the first group and the welding position of the second group are monitored and saved by the resistance welding equipment, so that the subsequent welding monitoring is facilitated.

[0047] Working principle:

[0048] In the embodiment two, when the product 5, i.e. the coil, is completed once, the DD motor 21 is automatically rotated by 90°, the product 5 is rotated to the welding station corresponding to the resistance welder of the welding module 4, the upper electrode 43 of the welding module 4 is pressed to press the coil terminal of the product 5 on the surface of the lower electrode 44, the current is turned on to generate heat to complete the welding of one side terminal of the product 5, when the DD motor 21 is rotated again, the coil of the product 5 is at the welding station of the second group, the resistance welder of the welding module 4 on the welding station of the second group welds the other side terminal of the product 5. The pressure, displacement, current and other parameters in the welding process of the welding station of the first group and the welding station of the second group are convenient for subsequent welding monitoring. The coil terminal of the product 5 is completed and is transferred to the unloading module 3 corresponding to the unloading position, the unloading module 3 is transversely moved and lowered and clamps the product 5 whose coil terminal is welded to complete the unloading action.

[0049] According to the ideal embodiment of the present application, through the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A coil terminal automatic welding apparatus comprising: Multi-station rotary die (2), and a plurality of welding die (4) and blanking die (3) arranged around the periphery of the multi-station rotary die (2); characterized in that: The multi-station rotary die (2) comprises a circular turntable (22) drivenly connected with a DD motor (21), a plurality of tooling dies (23) are arranged on the outer periphery of the circular turntable (22), the tooling die (23) comprises a welding tool (234) arranged on the circular turntable (22); the welding tool (234) is provided with a receiving groove (235) for receiving a limited product (5), and opposite receiving grooves (235) are respectively provided on the side walls on the left and right sides of the receiving groove (235), the outer end of the receiving groove (235) is provided with a limiting groove (237), and adjacent limiting grooves (237) are provided with a supporting boss (236) for supporting the coil terminal of the product (5), and the coil terminal can extend out of the supporting boss (236); The welding die (4) comprises a horizontal moving cylinder two (41) arranged around the periphery of the multi-station rotary die (2), the horizontal moving cylinder two (41) is provided with a sliding table, the sliding table is provided with a lower electrode (44) and a descending cylinder two (42) located outside the lower electrode (44), the descending cylinder two (42) is provided with an upper electrode (43) capable of ascending and descending relative to the lower electrode (44); The blanking die (3) is drivenly provided with a clamping jaw (331) capable of displacing relative to the welding tool (234); The clamping side of the clamping jaw (331) is an arc-shaped clamping side concave inwardly; The welding tool (234) is limited to be installed on the circular turntable (22) through a horizontal adjusting plate (231) and a vertical adjusting plate (232); The blanking die (3) comprises a horizontal moving cylinder one (31) arranged around the periphery of the multi-station rotary die (2), the horizontal moving cylinder one (31) is drivingly connected with a descending cylinder one (32) capable of extending and retracting relative to the multi-station rotary die (2), the descending cylinder one (32) is drivingly provided with a clamping jaw cylinder (33) capable of ascending and descending relative to the tooling die (23) on the circular turntable (22), the clamping jaw cylinder (33) is drivingly connected with a clamping jaw (331), and the clamping jaw (331) is opened and closed relative to the receiving groove (235) of the welding tool (234).

2. The coil terminal automatic welding apparatus according to claim 1, characterized by: The horizontal adjusting plate (231) is locked on the station on the circular turntable (22) through a waist-shaped hole and a mounting bolt, the horizontal adjusting plate (231) is provided with a mounting groove, one end of the vertical adjusting plate (232) is movably embedded in the mounting groove of the horizontal adjusting plate (231), the vertical adjusting plate (232) is locked on the horizontal adjusting plate (231) through a waist-shaped hole and a mounting bolt, and the horizontal adjusting plate (231) and the vertical adjusting plate (232) are assembled longitudinally and transversely; the welding tool (234) is fixedly installed on the mounting table of the vertical adjusting plate (232).

3. A coil terminal automatic welding apparatus according to claim 2, characterized by: The vertical adjusting plate (232) is defined in the mounting groove of the transverse adjusting plate (231); the transverse adjusting plate (231) is provided with an abutting boss, the bottom of the welding tool (234) is provided with a mounting boss abutting against the abutting boss, and the abutting boss and the mounting boss abut against each other and are assembled and fixed through mounting bolts.

4. The coil terminal automatic welding apparatus according to claim 3, characterized by: The circular turntable (22) is uniformly and annularly provided with a feeding station, a first welding station, a second welding station and a discharging station according to processes, and the feeding station, the first welding station, the second welding station and the discharging station are respectively provided with tool modules (23). The periphery of the circular turntable (22) is annularly provided with two welding modules (4) corresponding to the first welding station, the second welding station and the discharging station and one discharging module (3).

5. A coil terminal automatic welding apparatus according to claim 4, characterized by: The DD motor (21) intermittently rotates by 90° each time.

6. A coil terminal automatic welding apparatus according to claim 5, characterized by: The inner side of the receiving groove (235) of the welding tool (234) is provided with a plurality of empty avoidance grooves (238), and the empty avoidance grooves (238) are located on the opposite sides of the supporting boss (236) and the limiting groove (237). The limiting groove (237) and the feeding and discharging groove (239) are both concave groove structures with open tops.

Images