Automatic flat cable assembling and detecting device

Abstract

The utility model discloses an automatic flat cable assembling and detecting device which comprises a rack, a press fitting mechanism, a shell inserting mechanism, a cutting mechanism and a cable feeding assembly. The machine frame is divided into two working areas with the straight line where the length direction of the cut-off blade is located as the boundary, all the pairs of press-fitting mechanisms and shell inserting mechanisms are located on the straight line and point to the different working areas respectively, and a wire pulling mechanism is further installed on the machine frame and comprises a movable wire pulling clamping jaw. The moving direction of the wire drawing clamping jaw is perpendicular to the length direction of the cutting blade. According to the automatic assembling and detecting device for the flat cable, the wire pulling mechanism and the wire feeding mechanism are matched to transfer the flat cable, and the flat cable and a plastic shell are automatically conveyed and processed by combining the assembling mechanisms, so that highly-automatic assembling, forming and detecting of a connecting wire are realized, the efficiency waste caused by product circulation in the production process is reduced, and the production efficiency is improved. And the influence of manual intervention on the product quality is also reduced.

Description

Technical Field

[0001] This utility model relates to the field of connector manufacturing equipment technology, and in particular to an automatic assembly and testing device for ribbon cables. Background Technology

[0002] The connector manufacturing process involves several steps, including wire harness crimping, terminal insertion into plastic shells, wire harness cutting, and insertion testing. Since most connectors require bidirectional terminal insertion, the process flow necessitates repeating the crimping and plastic shell insertion operation after cutting, resulting in numerous steps. Currently, conventional production processes typically utilize multiple pieces of equipment to meet connector production demands, but this leads to excessive workflow, reduced efficiency, and a need for improved automation. For example, when crimping wire harnesses, conventional equipment requires manual positioning of the cables; otherwise, improper insertion, misalignment, or incorrect insertion can easily occur. Uneven pressure during crimping can also cause damage and incomplete crimping, significantly impacting product yield.

[0003] Therefore, considering the aforementioned technical problems, it is necessary to provide a new technical solution. Utility Model Content

[0004] The purpose of this invention is to provide an automatic assembly and testing device for ribbon cables that can automatically assemble terminals and plastic shells, automatically detect the insertion effect, and has a higher degree of automation, processing efficiency, and product quality.

[0005] To solve the above-mentioned technical problems, this utility model provides an automatic assembly and testing device for ribbon cables, the specific technical solution of which is as follows:

[0006] An automatic assembly and testing device for ribbon cables includes:

[0007] The frame has a vibratory feeder for conveying plastic shells installed on the outer sides of both ends;

[0008] A pressing mechanism, mounted on the frame, is used to press the terminals onto the ends of the cable. The pressing mechanism consists of a pair of back-to-back pressing mechanisms located at both ends of the frame and connected to two vibratory feeders via a feeding rail.

[0009] A housing insertion mechanism, mounted on the frame, is used to insert the ribbon cable terminal into the plastic housing. The housing insertion mechanisms are a pair arranged back to back and located behind the two pressing mechanisms.

[0010] A cutting mechanism, mounted on a frame, is used to cut the ribbon cable after it has been inserted into a plastic shell. The cutting mechanism is located between two shell insertion mechanisms. The cutting mechanism includes a cutting blade that can move up and down. The length direction of the cutting blade is perpendicular to the orientation of the ribbon cable.

[0011] A wire feeding assembly is used to clamp the cable and transfer the cable between the pressing mechanism, the insertion mechanism and the cutting mechanism;

[0012] The frame is divided into two working areas by a straight line along the length of the cutting blade. Each pair of pressing mechanisms and shell insertion mechanisms are located on this straight line and point to different working areas. The frame is also equipped with a wire pulling mechanism, which includes movable wire pulling jaws. The direction of movement of the wire pulling jaws is perpendicular to the length of the cutting blade. The wire pulling jaws pull the cut wire from one working area to the other working area after one end has been pressed and shelled, so as to facilitate the pressing and shell insertion of the unprocessed end of the cut wire.

[0013] The wire feeding assembly includes a first wire feeding mechanism and a second wire feeding mechanism, which are located in two working areas to facilitate the pressing and insertion of the two ends of the wire.

[0014] Preferably, the wire pulling mechanism further includes a wire pulling slide rail and a clamping cylinder. The wire pulling clamp includes two clamping plates controlled by the clamping cylinder. The length direction of the wire pulling slide rail is perpendicular to the length direction of the cutting blade. The wire pulling clamp is slidably mounted on the wire pulling slide rail. A wire pulling drive motor is also mounted on the wire pulling slide rail. The drive end of the wire pulling drive motor is connected to the wire pulling clamp via a pulley or sprocket to facilitate the movement of the wire pulling clamp along the length direction of the wire pulling slide rail.

[0015] Preferably, the first wire feeding mechanism includes a first guide rail arranged parallel to the length direction of the cutting blade, a first wire feeding claw movably mounted on the first guide rail, the stroke of the first wire feeding claw covering the cutting mechanism and the pressing mechanism and inserting mechanism pointing to the working area of ​​the first wire feeding mechanism.

[0016] Preferably, the second wire feeding mechanism includes a second guide rail arranged parallel to the length direction of the cutting blade, a second wire feeding claw movably mounted on the second guide rail, the stroke of the second wire feeding claw covering the cutting mechanism and the pressing mechanism and inserting mechanism pointing to the working area of ​​the second wire feeding mechanism; a mounting seat movable along the second guide rail is mounted on the second guide rail, the mounting seat is mounted on the second guide rail via an auxiliary rail perpendicular to the second guide rail, and the mounting seat can move along the auxiliary rail to improve the degree of freedom of movement of the second wire feeding claw.

[0017] Preferably, the second wire feeding mechanism is located on one side of the wire pulling mechanism, the second wire feeding claw extends toward the wire pulling mechanism and the center line of the second wire feeding claw is located on the side of the mounting base biased toward the wire pulling mechanism, and a rotary cylinder is also mounted on the mounting base. The drive shaft of the rotary cylinder is horizontally arranged and perpendicular to the length direction of the cutting blade. The drive shaft of the rotary cylinder is connected and fixed to the second wire feeding claw and drives the second wire feeding claw to rotate around the drive shaft of the rotary cylinder.

[0018] Preferably, the pressing mechanism includes a lower pressing seat fixedly mounted on the frame and an upper pressing head movably mounted above the lower pressing seat. The upper pressing head moves vertically up and down via a cam driven by a motor to approach or move away from the lower pressing seat. A control module is also mounted on the frame, and the motor driving the upper pressing head is electrically connected to the control module to precisely control the pressing pressure.

[0019] Preferably, the insertion mechanism includes an upper clamp and a lower clamp arranged symmetrically. A wire straightening clamp with a serrated end is fitted to the side of the lower clamp away from the working area corresponding to the lower clamp. The upper clamp and the lower clamp are respectively fixed on the upper clamp arm and the lower clamp arm. The upper clamp arm and the lower clamp arm are both L-shaped and arranged in parallel. A rack portion is provided on the opposite side of the upper clamp arm and the lower clamp arm. A transmission gear is installed between the upper clamp arm and the lower clamp arm. The transmission gear meshes with the rack portion of the upper clamp arm and the lower clamp arm to ensure that the upper clamp arm and the lower clamp arm move synchronously. The serrated end of the wire straightening clamp is located at the center of the distance between the upper clamp arm and the lower clamp arm. A servo motor or cylinder for driving the movement of the upper clamp arm is also connected to the outside of the upper clamp arm.

[0020] Preferably, a shell feeding mechanism is also installed between the shell insertion mechanism and the feeding track. The shell feeding mechanism includes a shell feeding pusher adapted to the position of the serrated end of the wire straightening clamp. The shell feeding pusher is driven by the track and motor to move closer to or away from the wire straightening clamp.

[0021] Preferably, the frame is also equipped with a detection module, which includes at least one pair of detection lenses located in two different working areas, and the detection lenses are installed between the insert mechanism and the cut-off mechanism.

[0022] Preferably, a wire feeding reel is rotatably mounted on the frame, and the wire in the wire feeding reel is connected to the first wire feeding claw.

[0023] The automatic assembly and testing device for ribbon cables of this utility model has the following beneficial effects:

[0024] The automatic assembly and testing device for ribbon cables of this utility model uses a pull-wire mechanism and a feed-wire mechanism to transfer the ribbon cables. Combined with various assembly mechanisms, the ribbon cables and plastic shells are automatically transported and processed, realizing a high degree of automated assembly and testing of the connecting wires. This reduces the efficiency waste caused by product flow during the production process and also reduces the impact of human intervention on product quality.

[0025] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0026] To more clearly illustrate the technical solution of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of an automatic assembly and testing device for ribbon cables.

[0028] Figure 2 for Figure 1 A schematic diagram of the structure of the assembly and testing components;

[0029] Figure 3 for Figure 2 Schematic diagram of the pull wire mechanism;

[0030] Figure 4 for Figure 2 A schematic diagram of the structure of the first wire feeding mechanism;

[0031] Figure 5 for Figure 2 A schematic diagram of the structure of the second wire feeding mechanism;

[0032] Figure 6 for Figure 2 Schematic diagram of the intermediate pressure assembly mechanism;

[0033] Figure 7 for Figure 2 Schematic diagram of the middle insertion shell mechanism;

[0034] Figure 8 for Figure 2 Schematic diagram of the central delivery shell mechanism;

[0035] Figure 9 for Figure 2 A schematic diagram of the cutting mechanism.

[0036] The components are as follows: 1-Frame; 11-Vibratory feeder; 12-Wire feeding reel; 13-Shell feeding mechanism; 131-Shell feeding pusher; 14-Feeding track; 2-Wire pulling mechanism; 21-Wire pulling clamp; 22-Wire pulling slide rail; 23-Wire pulling drive motor; 24-Clamping cylinder; 3-Wire feeding assembly; 31-First wire feeding mechanism; 311-First guide rail; 312-First wire feeding claw; 32-Second wire feeding mechanism; 321-Second guide rail; 322-Second wire feeding claw; 323-Mounting base; 324-Rotating cylinder; 4-Pressure fitting mechanism; 41-Upper pressure head; 42-Lower pressure base; 5-Shell insertion mechanism; 51-Upper clamp; 52-Lower clamp; 53-Wire straightening clamp; 54-Upper clamp arm; 55-Lower clamp arm; 56-Transmission gear; 6-Cutting mechanism; 61-Cutting blade; 7-Control module. Detailed Implementation

[0037] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model. Example

[0038] Please see Figures 1 to 9 An automatic assembly and testing device for ribbon cables, comprising:

[0039] The frame 1 has a vibratory feeder 11 for conveying plastic shells installed on the outer sides of both ends;

[0040] The pressing mechanism 4 is installed on the frame and is used to press the terminal onto the end of the cable. The pressing mechanism is a pair of back-to-back arranged at both ends of the frame and connected to two vibratory plates via the feeding rail 14.

[0041] The insertion mechanism 5 is mounted on the frame and is used to insert the ribbon cable terminal into the plastic shell. The insertion mechanism is a pair of back-to-back mechanisms and is located behind the two pressing mechanisms.

[0042] Cutting mechanism 6, mounted on the frame, is used to cut the ribbon cable after the plastic shell has been inserted. The cutting mechanism is located between the two shell insertion mechanisms. The cutting mechanism includes a cutting blade 61 that can move up and down. The length direction of the cutting blade is perpendicular to the orientation of the ribbon cable.

[0043] The wire feeding assembly 3 is used to clamp the cable and transfer the cable between the pressing mechanism 4, the insertion mechanism 5 and the cutting mechanism 6;

[0044] The frame 1 is divided into two working areas by a straight line along the length of the cutting blade. Each pair of pressing mechanisms and shell insertion mechanisms are located on this straight line and point to different working areas. The frame is also equipped with a wire pulling mechanism 2, which includes a movable wire pulling claw 21. The movement direction of the wire pulling claw is perpendicular to the length of the cutting blade. The wire pulling claw pulls the cut wire from one working area to the other working area after one end is pressed and shelled, so as to facilitate the pressing and shelling of the unprocessed end of the cut wire.

[0045] The wire feeding assembly 3 includes a first wire feeding mechanism 31 and a second wire feeding mechanism 32. The first wire feeding mechanism and the second wire feeding mechanism are located in two working areas to facilitate the pressing and insertion of the two ends of the wire.

[0046] The wire pulling mechanism 2 also includes a wire pulling slide rail 22 and a gripper cylinder 24. The wire pulling gripper includes two clamping plates controlled by the gripper cylinder. The length direction of the wire pulling slide rail is perpendicular to the length direction of the cutting blade. The wire pulling gripper is slidably mounted on the wire pulling slide rail. A wire pulling drive motor 23 is also mounted on the wire pulling slide rail. The drive end of the wire pulling drive motor is connected to the wire pulling gripper via a pulley or sprocket to facilitate the movement of the wire pulling gripper along the length direction of the wire pulling slide rail.

[0047] The first wire feeding mechanism 31 includes a first guide rail 311 arranged parallel to the length direction of the cutting blade, and a first wire feeding claw 312 movably mounted on the first guide rail. The stroke of the first wire feeding claw covers the cutting mechanism and the pressing mechanism and the inserting mechanism pointing to the working area of ​​the first wire feeding mechanism.

[0048] The second wire feeding mechanism 32 includes a second guide rail 321 arranged parallel to the length direction of the cutting blade. A second wire feeding claw 322 that can move along the second guide rail is movably mounted on the second guide rail. The stroke of the second wire feeding claw covers the cutting mechanism and the pressing mechanism and the inserting mechanism that point to the working area where the second wire feeding mechanism is located. A mounting seat 323 that can move along the second guide rail is mounted on the second guide rail. The mounting seat is mounted on the second guide rail via an auxiliary rail perpendicular to the second guide rail, and the mounting seat can move along the auxiliary rail to improve the degree of freedom of movement of the second wire feeding claw.

[0049] The second wire feeding mechanism 32 is located on one side of the wire pulling mechanism. The second wire feeding claw extends towards the wire pulling mechanism, and the center line of the second wire feeding claw is located on the side of the mounting base biased towards the wire pulling mechanism. A rotary cylinder 324 is also mounted on the mounting base 323. The drive shaft of the rotary cylinder is horizontally arranged and perpendicular to the length direction of the cutting blade. The drive shaft of the rotary cylinder is connected and fixed to the second wire feeding claw and drives the second wire feeding claw to rotate around the drive shaft of the rotary cylinder.

[0050] The pressing mechanism 4 includes a lower pressing seat 42 fixedly mounted on the frame and an upper pressing head 41 movably mounted above the lower pressing seat. The upper pressing head moves up and down in the vertical direction via a cam driven by a motor to approach or move away from the lower pressing seat. A control module 7 is also mounted on the frame. The motor driving the upper pressing head is electrically connected to the control module to precisely control the pressing pressure.

[0051] The insertion mechanism 5 includes an upper clamp 51 and a lower clamp 52 symmetrically arranged. A wire straightening clamp 53 with a serrated end is fitted to the side of the lower clamp away from the working area corresponding to the lower clamp. The upper clamp and the lower clamp are respectively fixed on the upper clamp arm 54 and the lower clamp arm 55. The upper clamp arm and the lower clamp arm are both L-shaped and arranged in parallel. A rack portion is provided on the opposite side of the upper clamp arm and the lower clamp arm. A transmission gear 56 is installed between the upper clamp arm and the lower clamp arm. The transmission gear meshes with the rack portion of the upper clamp arm and the lower clamp arm to ensure that the upper clamp arm and the lower clamp arm move synchronously. The serrated end of the wire straightening clamp is located at the center of the distance between the upper clamp arm and the lower clamp arm. A servo motor or cylinder that drives the movement of the upper clamp arm is also connected to the outside of the upper clamp arm.

[0052] A shell feeding mechanism 13 is also installed between the shell insertion mechanism 5 and the feeding track 14. The shell feeding mechanism includes a shell feeding pusher 131 adapted to the position of the serrated end of the wire straightening clamp. The shell feeding pusher is driven by the track and motor to move closer to or away from the wire straightening clamp.

[0053] The frame 1 is also equipped with a detection module, which includes at least one pair of detection lenses located in two different working areas. The detection lenses are installed between the insert mechanism and the cut-off mechanism.

[0054] The frame 1 is also rotatably mounted with a wire feeding reel 12, and the wire in the wire feeding reel is connected to the first wire feeding claw.

[0055] In this embodiment of the automatic cable assembly and testing device, during operation, the vibratory feeder 11 transports the plastic shell to the shell feeding mechanism 13 via the feeding rail 14. The wire feeding reel 12 transports the cable to the first wire feeding mechanism 31, where the first wire feeding claw 312 clamps the cable. The first wire feeding claw then transports the cable to the pressing mechanism 4 for terminal crimping of each individual wire in the cable. Afterward, the cable is transported to the shell insertion mechanism 5 via a guide rail. The shell insertion mechanism 5 uses a wire straightening clamp 53 to comb and position each wire in the cable. Then, the shell insertion mechanism, in conjunction with the shell feeding pusher 131 in the shell feeding mechanism, inserts the cable into the plastic shell, completing the assembly of one end of the cable. To ensure accurate insertion, a detection lens photographs the inserted cable end for inspection; if an insertion error occurs, an alarm is triggered. After one end of the assembly is completed, the cable is conveyed to the cutting mechanism 6. At this time, the cable pulling mechanism 2 clamps the assembled end of the cable with the cable pulling claw 21 and stretches the cable towards the working area of ​​the second cable feeding mechanism 32. After reaching the preset length, the cutting blade cuts off the cable, the second cable feeding claw 322 clamps the cut end of the cable, the cable pulling claw releases, and the cable is conveyed to the pressing mechanism and the shell insertion mechanism in the working area for assembly by the translation and rotation of the second cable feeding claw. After the assembly is completed, a photo inspection is performed again, thus completing the automatic assembly of both ends of the cable. During this process, the control module controls the pressing pressure by controlling the stroke, speed or pressure of the power source in the pressing mechanism to prevent uneven pressure from affecting the quality of the cable.

[0056] The beneficial effects of this utility model are: by cooperating with the wire pulling mechanism and the wire feeding mechanism to transfer the wiring, and by combining the various assembly mechanisms to automatically transport and process the wiring and the plastic shell, a highly automated assembly and testing of the connecting wire is achieved, which reduces the efficiency waste caused by product flow during the production process and also reduces the impact of human intervention on product quality.

[0057] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications and variations to the above embodiments within the scope of the present invention.

Claims

1. An automatic assembly and testing device for ribbon cables, characterized in that, include: The frame (1) has a vibratory plate (11) for conveying plastic shells installed on the outer sides of both ends of the frame. The pressing mechanism (4) is installed on the frame to press the terminal onto the end of the cable. The pressing mechanism is a pair arranged in opposite directions and located at both ends of the frame and connected to two vibratory plates through the feeding rail (14). The insertion mechanism (5) is installed on the frame to insert the ribbon cable terminal into the plastic shell. The insertion mechanism is a pair of back-to-back mechanisms and is located behind the two pressing mechanisms. A cutting mechanism (6) is installed on the frame to cut the ribbon cable after the plastic shell has been inserted. The cutting mechanism is located between two shell insertion mechanisms. The cutting mechanism includes a cutting blade (61) that can move up and down. The length direction of the cutting blade is perpendicular to the orientation of the ribbon cable. The wire feeding assembly (3) is used to clamp the wire and transfer the wire between the pressing mechanism (4), the inserting mechanism (5) and the cutting mechanism (6); The frame (1) is divided into two working areas by a straight line along the length of the cutting blade. Each pair of pressing mechanism and shell insertion mechanism is located on the straight line and each pair of pressing mechanism and shell insertion mechanism points to different working areas. The frame is also equipped with a wire pulling mechanism (2). The wire pulling mechanism includes a movable wire pulling claw (21). The movement direction of the wire pulling claw is perpendicular to the length of the cutting blade. The wire pulling claw pulls the cut wire from one working area to the other working area after pressing and inserting one end of the wire into the shell. This facilitates the pressing and shell insertion of the unprocessed end of the cut wire. The wire feeding assembly (3) includes a first wire feeding mechanism (31) and a second wire feeding mechanism (32). The first wire feeding mechanism and the second wire feeding mechanism are located in two working areas to facilitate the pressing and insertion of the two ends of the wire.

2. The automatic assembly and testing device for ribbon cables according to claim 1, characterized in that: The wire pulling mechanism (2) also includes a wire pulling slide rail (22) and a gripper cylinder (24). The wire pulling gripper includes two grippers controlled by the gripper cylinder. The length direction of the wire pulling slide rail is perpendicular to the length direction of the cutting blade. The wire pulling gripper is slidably mounted on the wire pulling slide rail. A wire pulling drive motor (23) is also mounted on the wire pulling slide rail. The drive end of the wire pulling drive motor is connected to the wire pulling gripper via a pulley or sprocket to facilitate the movement of the wire pulling gripper along the length direction of the wire pulling slide rail.

3. The automatic assembly and testing device according to claim 1, characterized in that: The first wire feeding mechanism (31) includes a first guide rail (311) arranged parallel to the length direction of the cutting blade, and a first wire feeding claw (312) that can move along the first guide rail is movably mounted on the first guide rail. The stroke of the first wire feeding claw covers the cutting mechanism and the pressing mechanism and the inserting mechanism pointing to the working area where the first wire feeding mechanism is located.

4. The automatic assembly and testing device according to claim 2, characterized in that: The second wire feeding mechanism (32) includes a second guide rail (321) arranged parallel to the length direction of the cutting blade. A second wire feeding claw (322) that can move along the second guide rail is movably mounted on the second guide rail. The stroke of the second wire feeding claw covers the cutting mechanism and the pressing mechanism and the inserting mechanism that point to the working area where the second wire feeding mechanism is located. A mounting seat (323) that can move along the second guide rail is mounted on the second guide rail. The mounting seat is mounted on the second guide rail through an auxiliary rail perpendicular to the second guide rail, and the mounting seat can move along the auxiliary rail to improve the degree of freedom of movement of the second wire feeding claw.

5. The automatic assembly and testing device according to claim 4, characterized in that: The second wire feeding mechanism (32) is located on one side of the wire pulling mechanism. The second wire feeding claw extends towards the wire pulling mechanism and the center line of the second wire feeding claw is located on the side of the mounting base biased towards the wire pulling mechanism. A rotary cylinder (324) is also installed on the mounting base (323). The drive shaft of the rotary cylinder is horizontally set and perpendicular to the length direction of the cutting blade. The drive shaft of the rotary cylinder is connected and fixed to the second wire feeding claw and drives the second wire feeding claw to rotate around the drive shaft of the rotary cylinder.

6. The automatic assembly and testing device according to claim 1, characterized in that: The pressing mechanism (4) includes a lower pressing seat (42) fixedly installed on the frame and an upper pressing head (41) movably installed above the lower pressing seat. The upper pressing head moves up and down in the vertical direction via a cam driven by a motor to approach or move away from the lower pressing seat. A control module (7) is also installed on the frame. The motor driving the upper pressing head is electrically connected to the control module to precisely control the pressing pressure.

7. The automatic assembly and testing device according to claim 1, characterized in that: The insertion mechanism (5) includes an upper clamp (51) and a lower clamp (52) symmetrically arranged. A wire straightening clamp (53) with a sawtooth end is attached to the side of the lower clamp away from the working area corresponding to the lower clamp. The upper clamp and the lower clamp are respectively fixed on the upper clamp arm (54) and the lower clamp arm (55). The upper clamp arm and the lower clamp arm are both L-shaped and parallel. A rack part is provided on the opposite side of the upper clamp arm and the lower clamp arm. A transmission gear (56) is installed between the upper clamp arm and the lower clamp arm. The transmission gear meshes with the rack part of the upper clamp arm and the lower clamp arm to ensure that the upper clamp arm and the lower clamp arm move synchronously. The sawtooth end of the wire straightening clamp is located at the center of the distance between the upper clamp arm and the lower clamp arm. A servo motor or cylinder that drives the upper clamp arm to move is also connected to the outside of the upper clamp arm.

8. The automatic assembly and testing device according to claim 7, characterized in that: A shell feeding mechanism (13) is also installed between the shell insertion mechanism (5) and the feeding track (14). The shell feeding mechanism includes a shell feeding pusher (131) adapted to the position of the serrated end of the wire straightening clamp. The shell feeding pusher is driven by the track and motor to move closer to or away from the wire straightening clamp.

9. The automatic assembly and testing device according to claim 1, characterized in that: The frame (1) is also equipped with a detection module, which includes at least one pair of detection lenses located in two different working areas. The detection lenses are installed between the insert mechanism and the cut-off mechanism.

10. The automatic assembly and testing device according to claim 3, characterized in that: The frame (1) is also rotatably mounted with a wire feeding reel (12), and the wire in the wire feeding reel is connected to the first wire feeding claw.

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