A terminal crimping mold, device and process

Abstract

This application relates to a terminal crimping mold, specifically to the technical field of terminal crimping machines. The mold includes an upper mold and a lower mold, which are vertically spaced apart. The lower surface of the upper mold has several deformation grooves along its length, and these grooves are also spaced along its width. The cross-sections of the deformation grooves are semi-circular. The upper mold can move vertically to contact the lower mold. This application also relates to a terminal crimping device and process using this mold. By opening several deformation grooves on the upper mold, the terminal's grippers deform along these grooves during the crimping process, embedding themselves into the wire during wire fixing, thus increasing the fixing effect between the wire and the terminal.

Description

Technical Field

[0001] This application relates to the technical field of terminal crimping machines, and in particular to a terminal crimping mold, device and process. Background Technology

[0002] Terminal crimping machines are common wire harness processing equipment. Unlike wire stripping machines, terminal crimping machines were created primarily to facilitate the connection between wire harnesses. Previously, wire harnesses were connected by soldering two wires. Terminal crimping machines, however, use metal tips to press the wire ends and then make the connection, allowing the two wires to be connected. The advantage of this processing method is that when separating the two wires, you only need to pull out the terminal head.

[0003] Currently, existing terminal crimping machines generally include a frame, a stamping device, and a shearing device. The terminals are fixed by a fixing strip. The stamping device is used to press the terminals onto the ends of the wires, and the shearing device is used to separate the terminals from the fixing strip. Operators manually place the terminal roll and the wire into the stamping position of the base, and then the stamping device presses the terminals onto the ends of the wire harness. At the same time, the shearing device separates the terminals from the fixing strip, thus achieving terminal crimping.

[0004] Regarding the aforementioned technologies, conventional terminal crimping machines place the wire harness between the terminal clamps in the stamping device, and then use a die to stamp and deform the clamps so that the clamps press the wire harness. However, this method results in low connection strength. Summary of the Invention

[0005] The purpose of this application is to provide a terminal crimping mold, device, and process that can increase the connection strength between the terminal and the wire.

[0006] Firstly, the terminal crimping mold provided in this application adopts the following technical solution:

[0007] A terminal crimping mold includes an upper mold and a lower mold, the upper mold and the lower mold being spaced apart in the vertical direction, the upper mold being able to move in the vertical direction to abut against the lower mold; the lower surface of the upper mold is provided with a plurality of deformation grooves along the length direction, the cross-section of the plurality of deformation grooves being arranged in an arc semicircle, and the plurality of deformation grooves being spaced apart along the width direction of the upper mold.

[0008] By adopting the above technical solution, a number of the deformation grooves are spaced apart along the width direction of the upper mold. The cross-section of the deformation groove is semi-circular, which allows the claws raised on the terminal to deform along the inner wall of the deformation groove and insert into the wire. Thus, the terminal not only wraps around the wire but is also embedded in the wire, increasing the stability of the connection between the wire and the terminal.

[0009] Secondly, the terminal crimping device provided in this application adopts the following technical solution:

[0010] A terminal crimping device includes a work position changer, a feeding machine, a stripping machine, and a terminal crimping machine. The work position changer includes a turntable, and a plurality of wire clamps are arranged circumferentially on the turntable. The feeding machine, the stripping machine, and the terminal crimping machine are arranged sequentially along the circumference of the turntable on the outer side of the turntable along the rotation direction of the turntable. Each of the feeding machine, the stripping machine, and the terminal crimping machine is arranged corresponding to one of the wire clamps.

[0011] The terminal crimping machine includes a feeding mechanism and a crimping die. The crimping die is connected to the feeding mechanism along the feeding direction of the feeding mechanism. The crimping die includes an upper die and a lower die, which are spaced apart in the vertical direction. The upper die and the lower die are capable of crimping the wire to the terminal.

[0012] By adopting the above technical solution, the terminal crimping device includes a workstation changer, a feeding machine, a stripping machine, and a terminal crimping machine. The workstation changer includes a turntable, on which several wire clamps are arranged circumferentially. The turntable can realize rotational replacement between multiple workstations, thereby realizing the continuity of the entire device's operation. The wire clamps can be used to fix the wires, thereby facilitating the processing of the wires.

[0013] The feeding machine, stripping machine, and terminal crimping machine are arranged sequentially around the outside of the turntable along its rotation direction. This arrangement enables the feeding, stripping, and crimping of wires, fulfilling the workflow of crimping terminals at both ends of the wires. Each of the feeding machine, stripping machine, and terminal crimping machine corresponds to one wire clamp, allowing the entire device to operate continuously, thus increasing the continuity of its operation.

[0014] The terminal crimping machine includes a feeding mechanism and a crimping die. The crimping die is connected to the feeding mechanism along the feeding direction of the feeding mechanism. The crimping die includes an upper die and a lower die, which are arranged at intervals in the vertical direction. The upper die and the lower die can crimp the wire to the terminal. The feeding structure enables the feeding of the terminal strip. The crimping die is used to crimp the terminal to the wire.

[0015] Optionally, the wire clamp includes an upper clamp and a lower clamp, which are arranged opposite each other in the vertical direction. Several wire grooves are formed through the upper clamp and the lower clamp on opposite sides in the same direction. The upper clamp and the lower clamp are capable of moving in the vertical direction and rotating in the circumferential direction.

[0016] By adopting the above technical solution, the wire clamp uses an upper clamp and a lower clamp, which facilitates the insertion and clamping of wires. Several wire grooves are opened through the upper clamp and the lower clamp on opposite sides along the same direction. The wire grooves can fix the wires in the grooves, which can both fix and position the wires. The upper clamp and the lower clamp can move vertically and rotate circumferentially. Vertical movement can close the upper clamp and the rotation can crimp the terminals at both ends of the wires in the wire clamp.

[0017] Optionally, the workstation switching machine further includes a wire-pulling robot, which is disposed on the turntable and is arranged radially opposite to the feeder. When the turntable rotates, the wire clamp can pass between the wire-pulling robot and the feeder. The wire-pulling robot is disposed between the upper clamp and the lower clamp. The wire-pulling robot can move along the opening direction of the wire groove and can move horizontally along the opening direction perpendicular to the wire groove.

[0018] By adopting the above technical solution, the wire-drawing robot, in conjunction with the feeder, can extract the wire from the feeder and then send the wire to the corresponding wire slot, thus assisting in the automatic feeding of the wire.

[0019] Optionally, the feeding mechanism is provided with a counting sensor capable of measuring the number of terminals along the terminal feeding direction, and the measuring part of the counting sensor faces the terminal strip on the feeding mechanism.

[0020] By adopting the above technical solution, a counting sensor is set on the feeding mechanism along the terminal feeding direction. On the one hand, it is used for counting when the terminal is fed to ensure that the number of terminals is the same as the number of wires in the wire clamp; on the other hand, it is used to detect whether the terminals on the terminal strip are missing.

[0021] Optionally, a terminal crimping device further includes a tubing machine, which includes a heat shrink tubing fitting mechanism and a heating shrink tubing mechanism. The heat shrink tubing fitting mechanism and the heating shrink tubing mechanism are arranged radially opposite to each other along the turntable. When the turntable rotates, the wire clamp can pass between the heat shrink tubing fitting mechanism and the heating shrink tubing mechanism. The heat shrink tubing fitting mechanism can fit the heat shrink tubing onto the wire in the wire clamp, and the heating shrink tubing mechanism can heat and fix the heat shrink tubing fitted on the wire to the wire.

[0022] By adopting the above technical solution, the tubing machine includes a heat shrink tubing fitting mechanism and a heating shrink tubing mechanism. The heat shrink tubing fitting mechanism and the heating shrink tubing mechanism are arranged radially opposite to each other along the turntable. A wire clamp is located between the heat shrink tubing fitting mechanism and the heating shrink tubing mechanism. The heat shrink tubing fitting mechanism and the heating shrink tubing mechanism can fit heat shrink film on the connection position of the terminal and the wire, and fix the heat shrink film at the connection position of the terminal and the wire, thereby increasing the connection effect of the terminal and the wire.

[0023] Optionally, the terminal crimping device further includes a conductivity testing machine, which includes a first testing fixture located in the middle of the turntable and a second testing fixture located on the outside of the turntable. The first testing fixture and the second testing fixture are arranged opposite each other along the radial direction of the turntable. When the turntable rotates, the wire clamp can pass between the first testing fixture and the second testing fixture. Both the first testing fixture and the second testing fixture are provided with a plurality of conductive mechanical jaws. The conductive mechanical jaws can move toward the wire clamp and clamp the two ends of the wire inside the wire clamp.

[0024] By adopting the above technical solution, the conductivity testing machine includes a first testing fixture located in the middle of the turntable and a second testing fixture located on the outside of the turntable. The first testing fixture and the second testing fixture are arranged radially opposite to each other along the turntable, so that the first testing fixture and the second testing fixture can move to both ends of the wire in the wire clamp. Both the first testing fixture and the second testing fixture are provided with a plurality of conductive mechanical claws, so that the plurality of conductive mechanical claws can clamp both ends of the wire crimping terminal in the wire clamp. On this basis, the first testing fixture and the second testing fixture are energized, so that the crimping effect between the wire and the terminal can be detected.

[0025] Optionally, the terminal crimping device further includes a strapping machine, which is arranged circumferentially around the turntable on the outside of the turntable and facing the axis of the turntable; the strapping machine includes a wire-pulling robot and a strapping frame, the wire-pulling robot is arranged radially towards the turntable, the strapping frame is arranged between the wire-pulling robot and the turntable, and the wire-pulling robot can pass through the strapping frame and move towards the turntable.

[0026] By adopting the above technical solution, the wire-pulling robot can extract the wire from the wire clamp and move it to the bundling frame, thereby realizing the automatic bundling and packaging of the wire.

[0027] Thirdly, the terminal crimping process provided in this application adopts the following technical solution:

[0028] A terminal crimping process, the process comprising the following steps:

[0029] S1: The wire feeding is completed by the feeding machine and the terminal feeding is completed by the feeding mechanism;

[0030] S2: Strip the insulation from one end of the wire using a stripping machine;

[0031] S3: Place one end of the stripped wire under the mold of the terminal crimping machine using the wire clamp, align the wire with the terminal, and the terminal crimping machine will automatically crimp the wire to the terminal;

[0032] S4: Apply heat shrink tubing to the connection point between the terminal and the wire using a tubing machine;

[0033] S5: By energizing both ends of the crimped wire, the crimping effect between the wire and the terminal is tested;

[0034] S6: The wires of the crimped finished product are bundled and packaged in groups of several using a bundling machine.

[0035] By adopting the above technical solution, this process automatically feeds the wires and terminals, and simultaneously completes the stripping of both ends of the wires, crimping of both ends of the wires to the terminals, application of heat shrink tubing, conductivity testing of the wires connected to the terminals, and finally packaging and bundling. This realizes the automation of the terminal crimping process, and also automatically detects the connection effect between the terminals and the wires, and packages the finished products.

[0036] Optionally, in the step of applying heat shrink tubing to the connection between the terminal and the wire using a tubing machine, the heat shrink tubing is applied at the point where the terminal and the wire are crimped together.

[0037] By adopting the above technical solution, the heat shrink tubing is fitted onto the position where the terminal and the wire are pressed together, which can increase the stability of the connection between the terminal and the wire.

[0038] In summary, this application includes at least one of the following beneficial technical effects:

[0039] 1. By setting a deformation groove on the upper die in the terminal crimping die, the terminal can not only press the wire but also embed the terminal into the wire during the stamping of the terminal and the wire, which increases the stability of the connection between the terminal and the wire.

[0040] 2. The terminal crimping device is equipped with a sleeve machine, which can put heat shrink tubing on the position where the wire and the terminal are connected, thereby increasing the connection stability between the terminal and the wire.

[0041] 3. The terminal crimping process includes an inspection step, which can inspect the wires after crimping the terminals, thereby identifying defective products and increasing the product yield. Attached Figure Description

[0042] Figure 1This is a schematic diagram of the overall structure of the terminal crimping mold in this application.

[0043] Figure 2 This is a schematic diagram of the overall structure of the terminal crimping device in this application.

[0044] Figure 3 This is a schematic diagram of the overall structure of the machine switching station in this application.

[0045] Figure 4 This is a schematic diagram of the overall structure of the feeding machine in this application.

[0046] Figure 5 This is a schematic diagram of the overall structure of the peeling machine in this application.

[0047] Figure 6 This is a schematic diagram of the overall structure of the terminal block machine in this application.

[0048] Figure 7 This is a schematic diagram of the overall structure of the casing machine in this application.

[0049] Figure 8 This is a schematic diagram of the overall structure of the conductivity detection machine in this application.

[0050] Figure 9 This is a schematic diagram of the overall structure of the strapping machine in this application.

[0051] In the diagram, 1 is the workstation changer; 11 is the turntable; 12 is the wire clamp; 121 is the upper clamp; 122 is the lower clamp; 123 is the wire groove; and 13 is the wire pulling robot.

[0052] 2. Feeding machine; 21. Uncoiling mechanism; 22. Straight wire feeding mechanism; 221. Wire feeding wheel; 222. Straight guide tube; 223. Wire cutting gate;

[0053] 3. Wire stripping machine; 31. Fixing clamp; 32. Wire stripping clamp;

[0054] 4. Terminal crimping machine; 41. Feeding mechanism; 411. Linear guide chute; 412. Rolling feed wheel; 42. Crimping die; 421. Upper die; 422. Lower die; 423. Deformation groove; 43. Counting sensor;

[0055] 5. Tubing machine; 51. Heat shrink tubing connection mechanism; 511. Straight tube feeding groove; 512. Tubing cutter; 513. Tubing robot; 52. Heating shrink tubing mechanism; 521. Heating box; 522. Heating tank; 523. Heating wire;

[0056] 6. Conductivity testing machine; 61. First testing fixture; 62. Second testing fixture; 63. Conductivity mechanical gripper;

[0057] 7. Strapping machine; 71. Wire drawing robot; 72. Strapping frame; 73. Handling robot; 74. Waste bin. Detailed Implementation

[0058] The following is in conjunction with the appendix Figure 1 - Appendix Figure 9 This application will be described in further detail below.

[0059] Example 1:

[0060] Embodiment 1 of this application discloses a terminal crimping mold.

[0061] A terminal crimping die, as shown in the reference Figure 1 The terminal crimping die includes an upper die 421 and a lower die 422. The upper die 421 and the lower die 422 are arranged vertically at intervals. A cylinder is provided above the upper die 421 to drive the upper die 421 down to contact the lower die 422, thereby enabling the crimping of the terminal and the wire.

[0062] Reference Figure 1 The lower surface of the upper mold 421 is provided with a plurality of deformation grooves 423 along the length direction, preferably four. The plurality of deformation grooves 423 are spaced apart along the width direction of the upper mold 421. The cross-section of the deformation groove 423 is semi-circular arc, so that the claws raised on the terminal can deform along the inner sidewall of the deformation groove 423 and be inserted into the wire. Thus, the terminal not only wraps around the wire but is also embedded in the wire, increasing the stability of the connection between the wire and the terminal.

[0063] Embodiment 1 of this application also discloses a terminal crimping device.

[0064] A terminal crimping device, as described above Figure 2 and Figure 3 The system includes a workstation changer 1, a feeding machine 2, a stripping machine 3, and a terminal crimping machine 4. The workstation changer 1 includes a turntable 11 with six workstations arranged circumferentially on the turntable 11. Each workstation is equipped with a corresponding wire clamp 12, so that the six wire clamps 12 are evenly spaced on the turntable 11. The wire clamps 12 can fix the wires that need to be crimped with terminals. The arrangement of the six workstations can meet the six-step processing requirements in the entire operation. The fact that each workstation is equipped with a corresponding wire clamp 12 can ensure that there is a wire clamp 12 at each workstation at all times during the processing, thereby ensuring the integrity and continuity of the processing process.

[0065] Reference Figure 3 The outer periphery of the turntable 11 can rotate circumferentially, while the inner side is fixed. The wire clamp 12 is fixed on the outer periphery of the turntable 11, thereby enabling the wire clamp 12 to rotate and connect at six workstations, thus achieving continuous processing. The inner side of the turntable 11 can be fixed to install other components.

[0066] Reference Figure 3 The wire clamp 12 includes an upper clamp 121 and a lower clamp 122. Both the upper clamp 121 and the lower clamp 122 are provided with a number of identical wire grooves 123. The wire grooves 123 are arranged in parallel and spaced apart. The arrangement of the wire grooves 123 can fix the wire.

[0067] Reference Figure 3 The upper clamp 121 can be raised and lowered by a cylinder. Both the upper clamp 121 and the lower clamp 122 are equipped with motors that can drive the upper clamp 121 and the lower clamp 122 to rotate. The raising and lowering setting allows the upper clamp 121 and the lower clamp 122 to close together, thereby fixing the wire in the wire groove 123. The rotating setting allows the wire clamp 12 to process the two ends of the wire in the wire clamp 12 by rotating in other work positions.

[0068] Reference Figure 3 The wire grooves 123 on the upper clamp 121 and the lower clamp 122 are set with a semi-elliptical arc cross-section. When the upper clamp 121 and the lower clamp 122 are closed, the two opposite wire grooves 123 on the upper clamp 121 and the lower clamp 122 can be closed to insert wires. At the same time, when the minor axis length of the ellipse after the wire grooves 123 are closed is less than the diameter of the wire, the wire can be pressed and fixed in the middle of the ellipse.

[0069] Reference Figure 4 The feeder 2 is arranged radially on the outside of the turntable 11. The feeder 2 includes an unwinding mechanism 21, which can unwind the wire.

[0070] Reference Figure 4 A straightening and feeding mechanism 22 is also provided between the unwinding mechanism 21 and the turntable 11. The straightening and feeding mechanism 22 includes several feeding wheels 221. The feeding wheels 221 are arranged vertically and vertically along the wire feeding direction, so that the wire passes through the feeding wheels 221 in a straight line, which can straighten the wire while feeding it.

[0071] Reference Figure 4 The straightening and feeding mechanism 22 also includes a straight guide tube 222, which can guide the straightened wire; a motor and a linear guide rail are provided under the straightening and feeding mechanism 22, which can drive the straightening and feeding mechanism 22 to be positioned along the length direction of the wire clamp 12, so as to feed the wire into the wire groove 123 on the wire clamp 12; a cutting blade 223 is vertically arranged opposite to the straight guide tube 222 near the turntable 11, and the closure of the two cutting blades 223 can cut the wire to a fixed length.

[0072] Reference Figure 4A wire pulling robot 13 is installed on the turntable 11. The wire pulling robot 13 is positioned opposite to the feeding machine 2 and is spaced apart by a wire clamp 12. The wire pulling robot 13 is driven by a motor and a linear guide rail and moves synchronously with the wire feeding mechanism 22 to feed the wire into the wire groove 123 of the wire clamp 12.

[0073] Reference Figure 5 A wire stripper 3 is located clockwise after the feeder 2 on the outer edge of the turntable 11. The wire stripper 3 includes a fixed clamping plate 31 and a wire stripping clamping plate 32. The fixed clamping plate 31 is vertically arranged on the side near the turntable 11. The fixed clamping plate 31 consists of two rectangular plates that are vertically spaced and can be raised and lowered. When the wire clamping fixture 12 containing the wire moves to the position of the wire stripper 3, the wire in the wire clamping fixture 12 will enter the fixed clamping plate 31. The fixed clamping plate 31 closes to clamp and fix the wire.

[0074] Reference Figure 5 A wire stripping clamp 32 is vertically arranged on the side of the fixed clamp 31 away from the turntable 11. The wire stripping clamp 32 consists of two rectangular plates that are vertically spaced and can be raised and lowered. Both rectangular plates have blades on their opposite sides. When the wire is fixed by the fixed clamp 31, the two rectangular plates of the wire stripping clamp 32 close vertically and move away from the turntable 11, thereby cutting the insulation layer outside the wire and pulling it off the wire.

[0075] Reference Figure 6 A terminal machine 4 is provided clockwise after the peeling machine 3 along the outer edge of the turntable 11. The terminal machine 4 includes a feeding mechanism 41, which can be used to convey terminal strips. The feeding mechanism 41 includes a linear guide groove 411 and a rolling feed wheel 412. The terminal strip is arranged in the linear guide groove 411 along its length. The linear guide groove 411 is used to fix the terminal strip and guide it.

[0076] Reference Figure 6 The rolling feed wheel 412 is set on the linear guide groove 411. The rolling feed wheel 412 has several cylindrical protrusions around its circumference. When the rolling feed wheel 412 rotates, the cylindrical protrusions will be inserted into the positioning holes in the terminal strip, thereby pushing the terminal strip forward along the linear guide groove 411.

[0077] Reference Figure 6 A counting sensor 43 is provided on the linear guide trough 411 facing the linear guide trough 411. The counting sensor 43 is a photoelectric sensor. The detection part of the counting sensor 43 is set towards the terminal material strip in the linear guide trough 411. It can detect whether the terminal on the terminal feeding strip is missing, thereby ensuring that the wire and the terminal can be crimped normally.

[0078] Reference Figure 6 A crimping die 42 is provided at the end of the linear guide trough 411 along the feeding direction of the terminal strip. The crimping die 42 is radially arranged toward the turntable 11. The crimping die 42 includes an upper die 421 and a lower die 422. A cylinder is vertically arranged on the upper die 421, which can drive the upper die 421 to move vertically until it contacts the lower die 422. When the wire clamp 12 rotates to the terminal machine 4, the wire will be located between the upper die 421 and the lower die 422. Through the punching of the upper die 421, the wire will be crimped together with the terminal on the lower die 422.

[0079] Reference Figure 7 A tubing machine 5 is provided clockwise after the terminal machine 4 on the outer edge of the turntable 11. The tubing machine 5 includes a heat shrink tubing fitting mechanism 51, which is used to fit heat shrink tubing onto the wire. The heat shrink tubing fitting mechanism 51 includes a straight tube feeding groove 511, in which heat shrink tubing is placed in a straight line, which can realize the straight feeding of heat shrink tubing.

[0080] Reference Figure 7 A pipe-cutting gate 512 is provided on the side of the straight pipe feeding groove 511 near the turntable 11. The pipe-cutting gate 512 is set perpendicular to the length direction of the straight pipe feeding groove 511 and can cut the heat shrink tubing conveyed in the straight pipe feeding groove 511.

[0081] Reference Figure 7 A sleeve manipulator 513 is provided on the side of the pipe cutting gate 512 near the turntable 11. The sleeve manipulator 513 has several through holes, which can fix the heat shrink tubing cut by the pipe cutting gate 512. When the wire clamp 12 rotates to the heat shrink tubing fitting mechanism 51, the sleeve manipulator 513 can move towards the turntable 11 through the motor drive, thereby fitting the heat shrink tubing onto the wire. At the same time, two cylinders are provided above and below the sleeve manipulator 513, which can drive the sleeve manipulator 513 to squeeze the heat shrink tubing, thereby initially fixing the heat shrink tubing onto the wire.

[0082] Reference Figure 7 A heating shrink tubing mechanism 52 is provided on the turntable 11. The heating shrink tubing mechanism 52 is arranged radially opposite to the heat shrink tubing sleeve mechanism 51 on the turntable 11. The heating shrink tubing mechanism 52 includes a heating box 521 with a rectangular heating groove 522. A heating wire 523 is provided on the inner wall of the heating groove 522 to realize the heating function. On the side of the heating box 521 away from the heat shrink tubing sleeve mechanism 51, a cylinder is provided to drive the heating box 521 to move toward the heat shrink tubing sleeve mechanism 51. So that after the wire clamp 12 approaches the heat shrink tubing sleeve mechanism 51, the heat shrink tubing sleeve mechanism 51 can be driven by the cylinder to extend the wire in the wire clamp 12 into the heating groove 522, thereby realizing the fixation of the heat shrink tubing.

[0083] Reference Figure 8A conductivity testing machine 6 is installed clockwise around the outer edge of the turntable 11 after the sleeve machine 5. The conductivity testing machine 6 includes a first testing fixture 61 vertically installed in the middle of the turntable 11 and a second testing fixture 62 vertically installed on the outer side of the turntable 11. Both the first testing fixture 61 and the second testing fixture 62 include several vertically downward conductive mechanical grippers 63. A cylinder is installed on the conductive mechanical grippers 63 to drive the conductive mechanical grippers 63 to move in the vertical direction, so that the conductive mechanical grippers 63 can clamp the terminals at both ends of the wire in the wire clamp 12, thereby conducting a power-on test and determining whether the terminals and the wire are properly crimped.

[0084] Reference Figure 9 A strapping machine 7 is located clockwise after the conductivity testing machine 6 on the outer edge of the turntable 11. The strapping machine 7 includes a wire-pulling robot 71, which is positioned towards the turntable 11. A cylinder is located on the side of the wire-pulling robot 71 away from the turntable 11, which can drive the wire-pulling robot 71 to move towards the turntable 11. A linear module and a motor are located below the wire-pulling robot 71, which can drive the wire-pulling robot 71 to move perpendicular to the direction of movement driven by the cylinder. Thus, when the wire clamp 12 rotates to the strapping machine 7, the wire-pulling robot 71 can sequentially pull out the wires that have been crimped with terminals in the wire clamp 12.

[0085] Reference Figure 9 A bundling frame 72 is provided between the wire-drawing robot 71 and the turntable 11. When the wire-drawing robot 71 draws the wire from the wire clamp 12, it can pass through the bundling frame 72. After the wire-drawing robot 71 places the drawn wire in the bundling frame 72, the bundling frame 72 can bundle and package the drawn wire.

[0086] Reference Figure 9 A handling robot 73 is installed on the strapping frame 72. The handling robot 73 can be raised and lowered by a cylinder. The top of the handling robot 73 is connected to a linear mold and a motor, which allows the handling robot 73 to move along the length of the strapping frame 72, thereby transporting the strapped wires to other locations.

[0087] Reference Figure 9 A waste bin 74 is provided between the bundling frame 72 and the turntable 11, so that the wire drawing robot 71 can move unqualified wires into the waste bin 74 according to the detection results of the conductivity detector 6.

[0088] The implementation principle of this application embodiment is as follows: the feeding machine 2 realizes the unwinding and straightening of the wire, and then the wire is put into the wire clamp 12 by the wire pulling robot 13. Then the wire is cut by the wire cutting gate 223. Repeatedly, the wire groove 123 in the wire clamp 12 is filled with wire.

[0089] After the wire clamp 12 is loaded with the wire, the upper clamp 121 and the lower clamp 122 close together, the turntable 11 rotates, and the wire clamp 12 loaded with the wire is rotated into the wire stripping machine 3. The fixing plate 31 fixes one end of the wire, and then the stripping plate 32 cuts off and peels off the insulation layer of the wire at that end. After that, the wire clamp 12 rotates 180°, and the wire stripping machine strips the other end of the wire.

[0090] The turntable 11 rotates, and the wire clamp 12 containing the wire is rotated into the terminal crimping machine 4. The feeding mechanism 41 feeds the terminals quantitatively through the setting of the counting sensor 43, and at the same time detects whether the terminals on the terminal strip are missing. The crimping die 42 crimps the terminals and the wire together. Then the wire clamp 12 rotates 180° and crimps the other end of the wire to the terminal crimping machine 4.

[0091] The turntable 11 rotates, rotating the wire clamp 12 containing the wire into the heat shrink tubing fitting mechanism 51. The heat shrink tubing fitting mechanism 51 cuts the heat shrink tubing and then fits the cut heat shrink tubing into the connection position between the wire and the terminal. The wire clamp 12 rotates 180°, rotating one end of the wire with the heat shrink tubing to the position of the heating shrink tubing mechanism 52. The wire extends into the heating groove 522, thereby heating the heat shrink tubing on the wire and fixing it at the connection position between the wire and the terminal.

[0092] At the same time, the heat shrink tubing fitting mechanism 51 fits the other end of the wire in the wire clamp 12 with the heat shrink tubing. Then the wire clamp 12 rotates 180° and rotates the other end of the wire with the heat shrink tubing to the position of the heating shrink tubing mechanism 52. The wire extends into the heating groove 522, thereby heating the heat shrink tubing on the wire and fixing it at the connection between the wire and the terminal.

[0093] The turntable 11 rotates, rotating the wire clamp 12 containing the wire to the position of the conductivity testing machine 6. The first testing clamp 61 and the second clamp clamp the two ends of the wire in the wire clamp 12, and then the power is turned on to conduct electricity, thereby detecting the connection effect between the wire and the terminal.

[0094] The turntable 11 rotates, and the wire clamp 12 containing the wire is rotated to the position of the strapping machine 7. The upper clamp 121 and the lower clamp 122 of the wire clamp 12 separate, and the wire pulling robot 71 pulls out the wire. The wire that passes the test is moved to the strapping frame 72, and the wire that fails the test is moved to the waste bin 74.

[0095] When there are several wires in the bundling frame 72, the bundling frame 72 works to bundle the wires, and then the bundled wires are moved and packed into boxes by the handling robot arm 73.

[0096] Turntable 11 rotates, wire clamp 12 moves to the position of feeder 2, and the above operation is repeated.

[0097] This embodiment 1 also discloses a terminal crimping process.

[0098] A terminal crimping process, comprising the following steps:

[0099] S1: The wire feeding is completed by the feeding machine 2 and the terminal feeding is completed by the feeding mechanism 41.

[0100] Terminal feeding and wire feeding are carried out simultaneously to provide raw materials for terminal crimping.

[0101] S2: The wire end that needs to be crimped with a terminal is stripped using the stripping machine 3.

[0102] The stripping machine 3 strips the insulation layer at both ends of the wire, thereby exposing the inner core of the wire and meeting the crimping requirements of the terminal.

[0103] S3: The stripped wire is placed under the mold of the terminal crimping machine 4 by the wire clamp 12 and the wire is aligned with the terminal. The terminal crimping machine 4 automatically crimps the wire to the terminal.

[0104] The stripped wire is moved to the terminal outlet, and the terminal is connected to the wire by the punching of the terminal machine 4.

[0105] S4: Using the tubing machine 5, heat shrink tubing is applied to the connection between the terminal and the wire. The heat shrink tubing is positioned at the point where the terminal and the wire are crimped together.

[0106] Applying heat shrink tubing to both ends of the wire connected to the terminal, and then applying the heat shrink film to the connection point between the wire and the terminal, can enhance the connection effect between the terminal and the wire.

[0107] S5: By energizing both ends of the crimped wire, the crimping effect between the wire and the terminal is tested.

[0108] By energizing the terminals at both ends of the wire, the connection between the wire and the terminals can be tested.

[0109] S6: The wires of the crimped finished product are bundled and packaged in groups of several using the bundling machine 7.

[0110] The finished wires are bundled and packaged using the bundling machine 7, and the crimped wires are then processed in a centralized manner.

[0111] The embodiments described in this specific implementation are preferred embodiments of this application and are not intended to limit the scope of protection of this application. Identical components are represented by the same reference numerals. Therefore, all equivalent changes made to the structure, shape, and principle of this application should be covered within the scope of protection of this application.

Claims

1. A terminal crimping device having a terminal crimping die, characterized in that, The device includes a workstation changer (1), a feeder (2), a wire stripper (3), and a terminal blocker (4). The workstation changer (1) includes a turntable (11). Several wire clamps (12) are arranged circumferentially on the turntable (11). The feeder (2), the wire stripper (3), and the terminal blocker (4) are arranged circumferentially on the outside of the turntable (11) along the rotation direction of the turntable (11). The feeder (2), the wire stripper (3), and the terminal blocker (4) are respectively arranged corresponding to one of the wire clamps (12). The terminal crimping machine (4) includes a feeding mechanism (41) and a terminal crimping die. The terminal crimping die is connected to the feeding mechanism (41) along the feeding direction of the feeding mechanism (41). The terminal crimping die includes an upper die (421) and a lower die (422). The upper die (421) and the lower die (422) are arranged at intervals in the vertical direction. The upper die (421) and the lower die (422) can crimp and connect the wire to the terminal. The lower surface of the upper mold (421) is provided with a plurality of deformation grooves (423) along the length direction. The plurality of deformation grooves (423) are spaced apart along the width direction of the upper mold (421), and the cross-section of the plurality of deformation grooves (423) is semi-circular. The wire clamp (12) includes an upper clamp (121) and a lower clamp (122), which are arranged opposite each other in the vertical direction. Several wire grooves (123) are formed through the upper clamp (121) and the lower clamp (122) on opposite sides in the same direction. The upper clamp (121) and the lower clamp (122) are capable of moving in the vertical direction and rotating in the circumferential direction. The work position changer (1) also includes a wire pulling robot (13), which is disposed on the turntable (11). The wire pulling robot (13) is disposed radially opposite to the feeder (2) along the turntable (11). When the turntable (11) rotates, the wire clamp (12) can pass between the wire pulling robot (13) and the feeder (2). The wire pulling robot (13) is disposed between the upper clamp (121) and the lower clamp (122). The wire pulling robot (13) can move along the opening direction of the wire groove (123) and can move horizontally along the opening direction perpendicular to the wire groove (123). The terminal crimping device also includes a strapping machine (7), which is arranged circumferentially on the outside of the turntable (11) and facing the axis of the turntable (11); The strapping machine (7) includes a wire-pulling robot (71) and a strapping frame (72). The wire-pulling robot (71) is arranged radially toward the turntable (11), and the strapping frame (72) is arranged between the wire-pulling robot (71) and the turntable (11). The wire-pulling robot (71) can pass through the strapping frame (72) and move toward the turntable (11).

2. The terminal crimping device with a terminal crimping mold according to claim 1, characterized in that, The feeding mechanism (41) is provided with a counting sensor (43) capable of measuring the number of terminals along the terminal feeding direction, and the measuring part of the counting sensor (43) faces the terminal strip on the feeding mechanism (41).

3. A terminal crimping device with a terminal crimping die according to claim 1, characterized in that, The terminal crimping device also includes a sleeve machine (5), which includes a heat shrink tubing sleeve mechanism (51) and a heating shrink tubing mechanism (52). The heat shrink tubing sleeve mechanism (51) and the heating shrink tubing mechanism (52) are arranged radially opposite to each other along the turntable (11). When the turntable (11) rotates, the wire clamp (12) can pass between the heat shrink tubing sleeve mechanism (51) and the heating shrink tubing mechanism (52). The heat shrink tubing fitting mechanism (51) can fit the heat shrink tubing onto the wire inside the wire clamp (12), and the heating shrink tubing mechanism (52) can heat and fix the heat shrink tubing fitted on the wire onto the wire.

4. A terminal crimping device with a terminal crimping mold according to claim 1, characterized in that, The terminal crimping device also includes a conductivity testing machine (6), which includes a first testing fixture (61) located in the middle of the turntable (11) and a second testing fixture (62) located outside the turntable (11). The first testing fixture (61) and the second testing fixture (62) are arranged radially opposite to each other along the turntable (11). When the turntable (11) rotates, the wire clamp (12) can pass between the first testing fixture (61) and the second testing fixture (62). Both the first detection fixture (61) and the second detection fixture (62) are provided with a plurality of conductive mechanical grippers (63), which can move toward the wire clamp (12) and clamp the two ends of the wire inside the wire clamp (12).

5. A terminal crimping process for terminal production using a terminal crimping device with a terminal crimping mold as described in any one of claims 1-4, characterized in that, The process includes the following steps: S1: The wire feeding is completed by the feeding machine (2) and the terminal feeding is completed by the feeding mechanism (41); S2: Strip the insulation from one end of the wire using a stripping machine (3); S3: Place one end of the stripped wire onto the terminal crimping mold of the terminal crimping machine (4) using the wire clamp (12) and align the wire with the terminal. The terminal crimping machine (4) will automatically crimp the wire to the terminal. S4: Use a tubing machine (5) to put heat shrink tubing on the connection between the terminal and the wire; S5: By energizing both ends of the crimped wire, the crimping effect between the wire and the terminal is tested; S6: The wires of the crimped finished product are bundled and packaged in groups of several using a bundling machine (7).

6. The terminal crimping process according to claim 5, characterized in that, In the step of applying heat shrink tubing to the connection between the terminal and the wire using the tubing machine (5), the heat shrink tubing is applied at the point where the terminal and the wire are pressed together.

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