Flexible manufacturing pin system of electronic connector

Abstract

The invention provides a flexible manufacturing contact pin system for an electronic connector. The flexible manufacturing contact pin system comprises a servo feeding mechanism; the terminal PIN slitting machine further comprises a slitting mechanism, the slitting mechanism is arranged on one side of the servo feeding mechanism, the slitting mechanism is provided with a guide part located in the slitting mechanism, and the guide part surrounds the head part of a single terminal PIN after slitting; and the servo moving carrier is located in front of the slitting mechanism, the servo moving carrier can drive the plastic part to move in the vertical direction, and one side of the servo moving carrier is provided with an electronic cam shifting mechanism used for pushing the single terminal PIN needle to be inserted into the plastic part. Through the arrangement of the servo feeding mechanism, the slitting mechanism, the servo moving carrier and the electronic cam shifting mechanism, the servo feeding mechanism conducts continuous feeding, a strip-shaped terminal PIN is conveyed to a mold slitting position, the strip-shaped terminal PIN is slit into single terminal PINs through the slitting mechanism, the single terminal PINs are inserted into a plastic part through the electronic cam shifting mechanism, and then the terminal PINs are inserted into the plastic part through the servo moving carrier. And continuous processing is realized.

Description

Technical Field

[0001] The invention relates to a flexible manufacturing pin system for an electronic connector. Background Art

[0002] During the process of inserting pins into the connectors of electronic products, the operation is performed through the electronic connector flexible manufacturing pin insertion system.

[0003] In the current existing technology, the flexible manufacturing pin system of the electronic connector adopts a traditional mechanical cam structure. However, the traditional cam structure can only switch between different production processes through overall mechanical modification and replacement, which is cumbersome and difficult to control the reproducibility consistency of the process flow. Furthermore, the traditional cam structure has a relatively large and heavy steel structure, which will produce greater vibration and instability under the same high-speed operation, and has low production efficiency. Summary of the invention

[0004] In order to solve the technical problem of complicated mechanical modification caused by using traditional cams when switching between different production processes, the present invention provides a flexible manufacturing pin system for electronic connectors.

[0005] The present invention solves the above technical problems through the following technical solutions:

[0006] The present invention provides an electronic connector flexible manufacturing pin system, comprising a servo feeding mechanism; further comprising: a slitting mechanism, the slitting mechanism being arranged on one side of the servo feeding mechanism to slit the strip terminal PIN pins delivered by the servo feeding mechanism to the slitting mechanism into single terminal PIN pins, the slitting mechanism having a guide portion located inside the slitting mechanism, and the guide portion surrounding the heads of the single terminal PIN pins after slitting; a servo moving carrier, the servo moving carrier being located in front of the slitting mechanism, the servo moving carrier being used to clamp a plastic part to be inserted with a single terminal PIN pin, and the servo moving carrier being able to drive the plastic part to move in the up and down directions, and an electronic cam toggle mechanism being provided on one side of the servo moving carrier for pushing the single terminal PIN pin to be inserted into the plastic part.

[0007] In this technical solution, the servo feeding mechanism continuously feeds the strip terminal PIN pins to the mold cutting position, and the strip terminal PIN pins are cut into single terminal PIN pins by the cutting mechanism. The electronic cam toggle mechanism inserts the single terminal PIN pins into the plastic parts to achieve continuous and uninterrupted processing. At the same time, an electronic cam is used, and its motion trajectory can be edited and modified according to on-site production requirements, greatly reducing the error cost of designing and processing the cam.

[0008] Preferably, the servo feeding mechanism includes a conveying channel for guiding the flow of the strip terminal PIN pin, a follower gear, a first servo motor and a feeding gear; two first slots are provided on the conveying channel, the bottom of the follower gear and the bottom of the feeding gear pass through the two first slots respectively, and the teeth at the bottom of the follower gear and the teeth at the bottom of the feeding gear are both engaged with the engaging holes provided on the strip terminal PIN pin, the follower gear is rotatably mounted with a support frame, and the support frame is fixedly connected to the back side of the conveying channel, the back side of the conveying channel is also fixedly connected to the first servo motor, and the output shaft end of the first servo motor is fixedly sleeved with the feeding gear.

[0009] In the present technical solution, the conveying channel is used for guiding the strip terminal PIN needle during conveying, and the first servo motor provides drive, and the feeding gear is engaged with the engagement hole on the strip terminal PIN needle to drive the strip terminal PIN needle to move.

[0010] Preferably, the slitting mechanism includes a driving part, a lower mold, an upper mold, a lower cutter and an upper cutter, the driving part is connected to the upper mold, and the upper mold is provided with an upper cutter, and the lower mold is provided with a lower cutter; a plurality of guide pillars are fixedly mounted on the lower mold, and the upper mold is provided with guide holes, and the guide holes are clearance-matched with the guide pillars.

[0011] In the present technical solution, the slitting mechanism drives the upper mold to move up and down through the driving unit, and the strip terminal PIN pins are fed through the servo feeding mechanism. Each time the material of a single terminal PIN pin is fed, the driving unit drives the upper mold to move downward, and the upper cutter presses the lower cutter to cut off the single terminal PIN pin.

[0012] Preferably, the driving part comprises a second servo motor and an eccentric cam; the second servo motor is fixedly connected to the lower mold via a bracket, the output shaft of the second servo motor is fixedly connected to the eccentric cam, and the eccentric cam is inserted into a hole on the upper mold.

[0013] In the present technical solution, the driving unit drives the eccentric cam to rotate through the second servo motor. The eccentric cam rotates one circle to provide lifting and downward pressure for the upper mold, so that the eccentric cam rotates one circle to complete a single cut.

[0014] Preferably, the guide part of the slitting mechanism includes a guide block and a second groove body opened on the lower mold, the upper part of the guide block is gap-fittedly connected with the socket hole opened below the upper mold, and a spring is provided on the upper part of the guide block, and the guide block is elastically mounted on the upper mold through the spring; the lower part of the guide block is provided with a downwardly extending convex strip for inserting into the second groove body.

[0015] In this technical solution, when the upper mold moves downward for cutting, the downward convex strip on the guide block is inserted into the second groove body. The guide block, the downward convex strip and the top surface of the lower mold form a guide groove with three sides closed, which is beneficial to the subsequent pin insertion operation and provides guidance.

[0016] Preferably, the slitting mechanism further comprises a pressing block; the pressing block is connected with a guide groove provided below the upper mold by clearance fit, and a spring is arranged in the guide groove, and the pressing block is elastically mounted with the upper mold through the spring.

[0017] In this technical solution, when the upper mold is pressed down, the elastic pressing block will first press on the upper surface of the terminal PIN pin, and then the upper cutter will cut out a single terminal PIN pin when the upper pressing block presses the strip terminal PIN pin, providing clamping for cutting.

[0018] Preferably, the servo mobile carrier comprises a vertical linear module and a fixing fixture; the output end of the vertical linear module is connected to the fixing fixture, and the plastic part is clamped and mounted on the fixing fixture.

[0019] In this technical solution, a fixed clamp is used to clamp the plastic part, and a vertical linear module is used to drive the clamped plastic part to move vertically. The plastic part has a row of positions where pins need to be inserted vertically, and through vertical movement, all positions where pins need to be inserted can be inserted.

[0020] Preferably, the electronic cam toggle mechanism comprises a first toggle assembly and a second toggle assembly, the first toggle assembly is provided with a first toggle plate, and the second toggle assembly is provided with a second toggle plate.

[0021] In the technical solution, the pin insertion drive of a single terminal PIN is performed by driving the first toggle assembly and the second toggle assembly.

[0022] Preferably, the first toggle assembly includes a first longitudinal linear module, a first transverse linear module and a first mounting seat; the first longitudinal linear module is connected to the first transverse linear module, the first transverse linear module is connected to the first mounting seat, and the first toggle piece is mounted on the first mounting seat.

[0023] In the technical solution, the first shifting assembly is used to drive the first shifting piece.

[0024] Preferably, the second toggle assembly includes a second longitudinal linear module, a second transverse linear module and a second mounting seat; the second longitudinal linear module is connected to the second transverse linear module, the second transverse linear module is connected to the second mounting seat, and the second toggle plate is mounted on the second mounting seat.

[0025] In the present technical solution, the second toggle assembly is used to drive the second toggle plate.

[0026] On the basis of being in accordance with the common sense in the art, the above-mentioned preferred conditions can be arbitrarily combined to obtain the preferred embodiments of the present invention.

[0027] The positive and progressive effects of the present invention are:

[0028] The above-mentioned electronic connector flexible manufacturing pin system, through the setting of servo feeding mechanism, slitting mechanism, servo mobile carrier and electronic cam toggle mechanism, the servo feeding mechanism continuously feeds and sends the strip terminal PIN pin to the mold slitting position, and the strip terminal PIN pin is cut into single terminal PIN pin by the slitting mechanism, and the electronic cam toggle mechanism inserts the single terminal PIN pin into the plastic part to realize continuous and uninterrupted processing; at the same time, the electronic cam is used, and its motion trajectory can be edited and modified according to on-site production requirements, which greatly reduces the error cost of designing and processing the cam. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0030] Figure 2 It is a structural schematic diagram of the servo feeding mechanism of the present invention.

[0031] Figure 3 It is a schematic structural diagram of the feeding gear and the strip terminal PIN needle of the present invention.

[0032] Figure 4 It is a structural schematic diagram of the slitting mechanism of the present invention.

[0033] Figure 5 It is a schematic diagram of the structure inside the slitting mechanism of the present invention.

[0034] Figure 6 It is a structural schematic diagram of the electronic cam shifting mechanism of the present invention.

[0035] Figure 7 It is a schematic structural diagram of the servo mobile carrier of the present invention.

[0036] Figure 8 For the present invention Figure 6 Schematic diagram of the structure with part A enlarged.

[0037] Fig. 9 It is a schematic diagram of the position of a single terminal PIN and a force point of the present invention.

[0038] Description of Reference Numerals

[0039] 1. Servo feeding mechanism; 101. conveying channel; 102. follower gear; 103. first servo motor; 104. feeding gear; 105. first tank;

[0040] 2. Slitting mechanism; 201. Second servo motor; 202. Lower mold; 203. Upper mold; 204. Guide column; 205. Eccentric cam; 206. Lower cutter; 207. Upper cutter; 208. Press block; 209. Guide block; 210. Spring; 211. Lower convex strip; 212. Second trough body;

[0041] 3. Electronic cam toggle mechanism; 301. First longitudinal linear module; 302. First transverse linear module; 303. First mounting seat; 304. First toggle plate; 305. Second longitudinal linear module; 306. Second transverse linear module; 307. Second mounting seat; 308. Second toggle plate;

[0042] 4. Servo mobile carrier; 401. Vertical linear module; 402. Fixed fixture;

[0043] a. Strip terminal PIN needle;

[0044] b. Engagement hole;

[0045] c. Single terminal PIN;

[0046] d. Stress point;

[0047] e. Plastic parts. DETAILED DESCRIPTION

[0048] The present invention is further described below by way of examples, but the present invention is not limited to the scope of the examples.

[0049] like Figure 1-9 As shown, the electronic connector flexible manufacturing pin system includes a servo feeding mechanism 1; it also includes: a slitting mechanism 2, the slitting mechanism 2 is arranged on one side of the servo feeding mechanism 1, so as to slit the strip terminal PIN pin a delivered by the servo feeding mechanism 1 to the slitting mechanism 2 into a single terminal PIN pin c, the slitting mechanism 2 has a guide portion located inside the slitting mechanism 2, and the guide portion surrounds the head of the single terminal PIN pin c after slitting; a servo moving carrier 4, the servo moving carrier 4 is located in front of the slitting mechanism 2, the servo moving carrier 4 is used to clamp the plastic part e to be inserted into the single terminal PIN pin c, and the servo moving carrier 4 can drive the plastic part e to move in the up and down directions, and one side of the servo moving carrier 4 is provided with an electronic cam toggle mechanism 3 for pushing the single terminal PIN pin c to insert into the plastic part e.

[0050] In the specific implementation, through the setting of the servo feeding mechanism 1, the slitting mechanism 2, the servo mobile carrier 4 and the electronic cam shifting mechanism 3, the servo feeding mechanism 1 performs continuous feeding to send the strip terminal PIN needle a to the mold slitting position, and the strip terminal PIN needle a is cut into a single terminal PIN needle c by the slitting mechanism 2, and the electronic cam shifting mechanism 3 inserts the single terminal PIN needle c into the plastic part e to realize continuous and uninterrupted processing; at the same time, the electronic cam is used, and its movement trajectory can be edited and modified according to the on-site production requirements, which greatly reduces the error cost of designing and processing the cam.

[0051] like Figure 2-3 As shown, as a specific technical solution, the servo feeding mechanism 1 includes a conveying channel 101 for guiding the flow of the strip terminal PIN needle a, a follower gear 102, a first servo motor 103 and a feeding gear 104; two first slots 105 are provided on the conveying channel 101, the bottom of the follower gear 102 and the bottom of the feeding gear 104 pass through the two first slots 105 respectively, and the teeth at the bottom of the follower gear 102 and the teeth at the bottom of the feeding gear 104 are both engaged with the engagement holes b provided on the strip terminal PIN needle a, the follower gear 102 is rotatably mounted with a support frame, and the support frame is fixedly connected to the back side of the conveying channel 101, the back side of the conveying channel 101 is also fixedly connected to the first servo motor 103, and the output shaft end of the first servo motor 103 is fixedly sleeved with the feeding gear 104.

[0052] The conveying channel 101 is used for guiding the strip terminal PIN pin a during conveying, and the first servo motor 103 provides driving, and the feeding gear 104 is meshed with the meshing hole b on the strip terminal PIN pin a to drive the strip terminal PIN pin a to move. Specifically, the first servo motor 103 drives the feeding gear 104 to rotate, and the feeding gear 104 is meshed with the meshing hole b on the strip terminal PIN pin a through the teeth thereon, so as to push the strip terminal PIN pin a to move toward the slitting mechanism 2.

[0053] like Figure 4 As shown, as a specific technical solution, the slitting mechanism 2 includes a driving unit, a lower mold 202, an upper mold 203, a lower cutter 206 and an upper cutter 207, the driving unit is connected to the upper mold 203, and the upper mold 203 is provided with an upper cutter 207, and the lower mold 202 is provided with a lower cutter 206; a plurality of guide pillars 204 are fixedly mounted on the lower mold 202, and the upper mold 203 is provided with guide holes, and the guide holes and the guide pillars 204 are clearance-matched.

[0054] The slitting mechanism 2 drives the upper mold 203 to move up and down through the driving unit, and the strip terminal PIN pin a is fed through the servo feeding mechanism 1. Each time a single terminal PIN pin c is fed, the driving unit drives the upper mold 203 to move downward, and the upper cutter 207 presses the lower cutter 206 to cut off the single terminal PIN pin c. After slitting, the driving unit drives the upper mold 203 and the upper cutter 207 to move upward together, and the strip terminal PIN pin a continues to be fed through the servo feeding mechanism 1.

[0055] like Figure 4 As shown, as a specific technical solution, the driving part includes a second servo motor 201 and an eccentric cam 205; the second servo motor 201 is fixedly connected to the lower mold 202 through a bracket, and the output shaft of the second servo motor 201 is fixedly connected to the eccentric cam 205, and the eccentric cam 205 is inserted into the hole on the upper mold 203.

[0056] The driving unit drives the eccentric cam 205 to rotate through the second servo motor 201. The eccentric cam 205 rotates one circle to provide lifting and downward pressure for the upper mold 203, so that the eccentric cam 205 rotates one circle to complete a single cut.

[0057] like Figure 5 As shown, as a specific technical solution, the guide portion of the slitting mechanism 2 includes a guide block 209 and a second groove body 212 opened on the lower mold 202, the upper portion of the guide block 209 is gap-fittedly connected with the insertion hole opened below the upper mold 203, and a spring 210 is provided on the upper portion of the guide block 209, and the guide block 209 is elastically mounted on the upper mold 203 through the spring 210; the lower portion of the guide block 209 is provided with a downwardly extending convex strip 211 for inserting into the second groove body 212.

[0058] When the upper mold 203 moves downward for cutting, the downwardly extending convex strip 211 on the guide block 209 is inserted into the second groove body 212. The guide block 209, the downwardly extending convex strip 211 and the top surface of the lower mold 202 form a guide groove with three sides closed, which is beneficial to the subsequent pin insertion operation and provides guidance. The guide block 209 is elastically installed with the upper mold 203. After the guide groove is formed as mentioned above, the groove wall of the second groove body 212 blocks the downwardly extending convex strip 211. The upper mold 203 continues to move downward, and the guide block 209 does not move, while the guide block 209 and the socket slide relative to each other, and the spring 210 is compressed at the same time.

[0059] like Figure 5 As shown, as a specific technical solution, the slitting mechanism 2 also includes a pressing block 208; the pressing block 208 is gap-fittedly connected with a guide groove provided below the upper mold 203, and a spring 210 is provided in the guide groove, and the pressing block 208 is elastically mounted with the upper mold 203 via the spring 210.

[0060] When the upper mold 203 is pressed down, the elastic pressing block 208 will first press the upper surface of the terminal PIN pin, and then the upper cutter 207 cuts out a single terminal PIN pin c when the upper pressing block 208 presses the strip terminal PIN pin a, providing clamping for cutting.

[0061] like Figure 7 As shown, as a specific technical solution, the servo mobile carrier 4 includes a vertical linear module 401 and a fixing fixture 402; the output end of the vertical linear module 401 is connected to the fixing fixture 402, and the plastic part e is clamped and installed on the fixing fixture 402.

[0062] The fixing fixture 402 is used to clamp the plastic part e, and the vertical linear module 401 is used to drive the clamped plastic part e to move vertically. The plastic part e has a row of positions where pins need to be inserted vertically. Through vertical movement, all positions where pins need to be inserted can be inserted.

[0063] like Figure 6 As shown, as a specific technical solution, the electronic cam toggle mechanism 3 includes a first toggle component and a second toggle component, the first toggle component is equipped with a first toggle piece 304, and the second toggle component is equipped with a second toggle piece 308; the first toggle component includes a first longitudinal linear module 301, a first transverse linear module 302 and a first mounting seat 303; the first longitudinal linear module 301 is connected to the first transverse linear module 302, the first transverse linear module 302 is connected to the first mounting seat 303, and the first toggle piece 304 is mounted on the first mounting seat 303; the second toggle component includes a second longitudinal linear module 305, a second transverse linear module 306 and a second mounting seat 307; the second longitudinal linear module 305 is connected to the second transverse linear module 306, the second transverse linear module 306 is connected to the second mounting seat 307, and the second toggle piece 308 is mounted on the second mounting seat 307.

[0064] After the cutting is completed, the single terminal PIN c is as follows Fig. 9 As shown, it can only apply force at the force point d at the front end to perform the pin insertion operation, resulting in the inability to insert a single terminal PIN pin c into the plastic part e at a single time. By setting the first paddle plate 304 and the second paddle plate 308, the first paddle plate 304 is driven by the first longitudinal linear module 301 and the first transverse linear module 302, so that the first paddle plate 304 pushes the single terminal PIN pin c into the plastic part e through the force point d. After the insertion, the rear end of the single terminal PIN pin c is still outside the plastic part e. Then the second paddle plate 308 is driven by the first longitudinal linear module 301 and the first transverse linear module 302, and the end of the second paddle plate 308 pushes the force point d, so that the single terminal PIN pin c is completely inserted into the plastic part e.

[0065] The electronic cam toggle mechanism 3 adopts an electronic cam, and its motion trajectory can be edited and modified according to on-site production requirements, which greatly reduces the error cost of designing and processing the cam.

[0066] The present invention is not limited to the above-mentioned embodiments. Any changes in shape or structure are within the protection scope of the present invention. The protection scope of the present invention is defined by the attached claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principle and essence of the present invention, but these changes and modifications are within the protection scope of the present invention.

Claims

1. A flexible manufacturing pin system for electronic connectors, comprising a servo feeding mechanism (1); characterized in that: Also includes: A slitting mechanism (2), the slitting mechanism (2) being arranged on one side of the servo feeding mechanism (1) to slit the strip-shaped terminal PIN needle (a) delivered by the servo feeding mechanism (1) to the slitting mechanism (2) into single terminal PIN needles (c), the slitting mechanism (2) having a guide portion located inside the slitting mechanism (2), and the guide portion surrounding the heads of the single terminal PIN needles (c) after slitting; A servo movable carrier (4) is located in front of the slitting mechanism (2), the servo movable carrier (4) is used to clamp a plastic part (e) to be inserted into a single terminal PIN needle (c), and the servo movable carrier (4) can drive the plastic part (e) to move in an up-down direction, and one side of the servo movable carrier (4) is provided with an electronic cam toggle mechanism (3) for pushing the single terminal PIN needle (c) to be inserted into the plastic part (e).

2. The electronic connector flexible manufacturing pin system according to claim 1, characterized in that: The servo feeding mechanism (1) comprises a conveying channel (101) for guiding the flow of the strip-shaped terminal PIN needle (a), a follower gear (102), a first servo motor (103) and a feeding gear (104); two first slots (105) are provided on the conveying channel (101), the bottom of the follower gear (102) and the bottom of the feeding gear (104) respectively pass through the two first slots (105), and the teeth at the bottom of the follower gear (102) and the teeth at the bottom of the feeding gear (104) are both meshed and connected with the meshing holes (b) provided on the strip-shaped terminal PIN needle (a); the follower gear (102) is rotatably mounted with a support frame, and the support frame is fixedly connected to the back side of the conveying channel (101); the back side of the conveying channel (101) is also fixedly connected with the first servo motor (103), and the output shaft end of the first servo motor (103) is fixedly sleeved with the feeding gear (104).

3. The electronic connector flexible manufacturing pin system according to claim 1, characterized in that: The slitting mechanism (2) comprises a driving unit, a lower mold (202), an upper mold (203), a lower cutter (206) and an upper cutter (207); the driving unit is connected to the upper mold (203), the upper mold (203) is provided with an upper cutter (207), and the lower mold (202) is provided with a lower cutter (206); a plurality of guide pillars (204) are fixedly mounted on the lower mold (202), and the upper mold (203) is provided with guide holes, and the guide holes and the guide pillars (204) are clearance-matched.

4. The electronic connector flexible manufacturing pin system according to claim 3, characterized in that: The driving part comprises a second servo motor (201) and an eccentric cam (205); the second servo motor (201) is fixedly connected to the lower mold (202) via a bracket, the output shaft of the second servo motor (201) is fixedly connected to the eccentric cam (205), and the eccentric cam (205) is inserted into a hole on the upper mold (203).

5. The electronic connector flexible manufacturing pin system according to claim 3, characterized in that: The guide portion of the slitting mechanism (2) comprises a guide block (209) and a second slot body (212) provided on the lower mold (202); the upper portion of the guide block (209) is loosely connected with a plug hole provided below the upper mold (203); a spring (210) is provided on the upper portion of the guide block (209); the guide block (209) is elastically mounted on the upper mold (203) via the spring (210); and the lower portion of the guide block (209) is provided with a downwardly extending convex strip (211) for inserting into the second slot body (212).

6. The electronic connector flexible manufacturing pin system according to claim 3, characterized in that: The slitting mechanism (2) further comprises a pressing block (208); the pressing block (208) is connected with a guide groove provided below the upper mold (203) in a clearance fit, and a spring (210) is arranged in the guide groove, and the pressing block (208) is elastically mounted with the upper mold (203) via the spring (210).

7. The electronic connector flexible manufacturing pin system according to claim 1, characterized in that: The servo mobile carrier (4) comprises a vertical linear module (401) and a fixing fixture (402); the output end of the vertical linear module (401) is connected to the fixing fixture (402), and the plastic part (e) is clamped and installed on the fixing fixture (402).

8. The electronic connector flexible manufacturing pin system according to claim 1, characterized in that: The electronic cam toggle mechanism (3) comprises a first toggle assembly and a second toggle assembly, wherein a first toggle plate (304) is mounted on the first toggle assembly, and a second toggle plate (308) is mounted on the second toggle assembly.

9. The electronic connector flexible manufacturing pin system according to claim 8, characterized in that: The first toggle assembly comprises a first longitudinal linear module (301), a first transverse linear module (302) and a first mounting seat (303); the first longitudinal linear module (301) is connected to the first transverse linear module (302), the first transverse linear module (302) is connected to the first mounting seat (303), and the first toggle plate (304) is mounted on the first mounting seat (303).

10. The electronic connector flexible manufacturing pin system according to claim 8, characterized in that: The second toggle assembly comprises a second longitudinal linear module (305), a second transverse linear module (306) and a second mounting seat (307); the second longitudinal linear module (305) is connected to the second transverse linear module (306), the second transverse linear module (306) is connected to the second mounting seat (307), and the second toggle plate (308) is mounted on the second mounting seat (307).

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