Automatic pin press-in device

By designing an automatic pin insertion device, which uses a conveyor belt and cylinder to drive the pin insertion mechanism, the automatic alignment and insertion of the cover plate and pins are achieved, solving the problem of slow pin insertion speed in existing pin insertion machines and improving production efficiency.

CN114243418BActive Publication Date: 2026-05-05NINGBO UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NINGBO UNIV
Filing Date
2021-12-09
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

Existing automatic pin insertion machines have a slow pin insertion speed, resulting in low production efficiency.

Method used

An automatic pin insertion device was designed, including a feeding device and a pin insertion device. The cover plate and pin are fed in by a conveyor belt, and the pin insertion mechanism is driven by a cylinder to realize the automatic alignment and insertion of the cover plate and pin. The pin insertion mechanism achieves rapid reset through the cooperation of the inclined block groove and the spring.

Benefits of technology

It achieves automated double-ended pin insertion, saving costs and improving pin insertion efficiency.

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Abstract

An automatic pin insertion device includes a feeding device and a pin insertion device. The feeding device includes a conveyor belt, a cover plate guide rail, and a pin guide rail. The pin insertion device includes a front cover, a pin insertion mechanism, and a cylinder. One end of the pin insertion mechanism is connected to the front cover, and the other end is connected to the cylinder. The front cover includes a cover plate, a mounting groove, and pin holes. The cover plate is embedded in the mounting groove, and pin holes are provided on both sides of the mounting groove. The pin insertion mechanism includes a crossbeam, an inclined block groove, a round-headed push rod, a thin push rod, a built-in spring, and a pin. The cylinder is mounted on a fixed plate, and the front end of the cylinder is connected to the pin insertion mechanism. Compared with the prior art, the automatic pin insertion device of this invention is suitable for pin connection scenarios. Its advantages are that it can realize automatic installation and automatic feeding, and can insert pins at both ends simultaneously. It is twice as fast as ordinary pin insertion mechanisms, which saves costs and improves efficiency.
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Description

Technical Field

[0001] This invention relates to the field of pin insertion machine technology, and in particular to an automatic pin insertion device. Background Technology

[0002] Automatic pin insertion devices, also known as pin insertion machines or PIN insertion equipment, are powered by electric motors and are mainly used for various coil bobbins. They offer advantages such as simple operation and high efficiency. Representative models include the YCI-28 and YCI-76, etc. Using an automatic pin insertion machine, the pin manufacturing and insertion processes can be completed continuously. On the one hand, this reduces costs by replacing the purchase of pins with the purchase of wire; on the other hand, by replacing manual operation, the pin insertion efficiency is greatly improved, thereby increasing the economic benefits of installing terminals. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide an automatic pin insertion device with automatic pin insertion speed and fast pin insertion speed, which addresses the problems existing in the prior art.

[0004] The technical solution adopted by the present invention to solve the above-mentioned technical problems is as follows:

[0005] An automatic pin insertion device includes a feeding device and a pin insertion device. The feeding device includes a conveyor belt, a cover plate guide rail, and a pin insertion guide rail. The pin insertion device includes a front cover, a pin insertion mechanism, and a cylinder. One end of the pin insertion mechanism is connected to the front cover, and the other end is connected to the cylinder. The front cover is mounted on a fixed block, and the fixed block is mounted on a fixed plate. The front cover includes a cover plate, a mounting groove, and pin holes. The cover plate is embedded in the mounting groove, and pin holes are provided on both sides of the mounting groove. The pin insertion mechanism includes a crossbeam, an inclined block groove, a round-headed push rod, a thin push rod, an internal spring, and a pin. The crossbeam is located at one end of the pin insertion mechanism, and the inclined block groove is connected to the crossbeam. The right end of the round-headed push rod is connected to the inclined block groove, and the thin push rod is located inside the round-headed push rod. The internal spring is embedded in the round-headed push rod, and the pin is located at the left end of the thin push rod. The cylinder is mounted on the fixed plate, and the front end of the cylinder is connected to the crossbeam of the pin insertion mechanism.

[0006] Preferably, the cover plate guide rail is vertically arranged at the mounting groove and is flush with the mounting groove, the pin guide rail is arranged symmetrically on both sides of the cover plate guide rail, and the pin guide rail is connected to the pin connector.

[0007] Preferably, the inclined block groove is in the shape of a recess, the radius of which matches the radius of the upper circle of the pin, and the inclined block groove has an inclination angle, which pushes the round-headed push rod to move to the left.

[0008] Preferably, the cover plate guide rail is a hollow rectangular guide rail, the cover plate and the cover plate guide rail are interference-fitted, and a fixing plate is provided below the cover plate guide rail.

[0009] Preferably, the cover plate guide rail rotates 90° after the front cover and the cover plate pin.

[0010] Preferably, the pin insertion mechanism can insert pins at both ends simultaneously.

[0011] Preferably, the round-headed push rod has a built-in spring inside, which automatically returns to its original shape after the pin insertion is completed.

[0012] Preferably, both ends of the insertion mechanism are provided with external springs, which can quickly and automatically reset after insertion.

[0013] Compared with the prior art, the beneficial effects of the automatic pin insertion device of the present invention are as follows: the cover plate is first fed into the cover plate guide rail by a conveyor belt. Due to the weight of the cover plate itself, the cover plate will fall into the installation groove. At the same time, a baffle is designed to prevent the cover plate from falling out. The pin is fed into the pin guide rail in the same way, so that the pin is inserted into the pin holes on both sides of the front cover, thereby connecting the front cover and the cover plate together. This device can insert pins at both ends at the same time, realizing automatic installation and automatic feeding, which saves costs and improves efficiency. Attached Figure Description

[0014] Figure 1 This is a diagram of the feeding device for an automatic pin pressing device according to the present invention.

[0015] Figure 2 This is a diagram of the pin insertion device of an automatic pin insertion device according to the present invention.

[0016] Figure 3 This is a front cover diagram of an automatic pin-pressing device according to the present invention.

[0017] Figure 4 This is a front cover position diagram of an automatic pin-pressing device according to the present invention.

[0018] Figure 5 This is a diagram showing the pin position of an automatic pin insertion device according to the present invention.

[0019] Reference numerals: 1. Feeding device; 11. Conveyor belt; 12. Cover plate guide rail; 13. Pin guide rail; 2. Pin insertion device; 21. Front cover; 211. Cover plate; 212. Mounting groove; 213. Pin hole; 22. Pin insertion mechanism; 221. Crossbeam; 222. Inclined block groove; 223. Round-headed push rod; 224. Thin push rod; 225. Internal spring; 226. Pin; 227. External spring; 228. Support block; 229. Fixed seat connector; 230. Pin connector; 23. Cylinder; 3. Fixed plate; 4. Fixed block. Detailed Implementation

[0020] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0021] like Figures 1 to 4 As shown, an automatic pin insertion device includes a feeding device 1 and a pin insertion device 2. The feeding device 1 includes a conveyor belt 11, a cover plate guide rail 12, and a pin guide rail 13. The pin insertion device 2 includes a front cover 21, a pin insertion mechanism 22, and a cylinder 23. One end of the pin insertion mechanism 22 is connected to the front cover 21, and the other end is connected to the cylinder 23. The front cover 21 is mounted on a fixing block 4, and the fixing block 4 is mounted on a fixing plate 3. The front cover 21 includes a cover plate 211, a mounting groove 212, and a pin hole 213. The cover plate 211 is embedded with... Within the mounting slot 212, pinholes 213 are provided on both sides. The pin insertion mechanism 22 includes a crossbeam 221, an inclined block slot 222, a round-headed push rod 223, a thin push rod 224, an internal spring 225, and a pin 226. The crossbeam 221 is located at one end of the pin insertion mechanism 22. The inclined block slot 222 is connected to the crossbeam 221. The right end of the round-headed push rod 223 is connected to the inclined block slot 222. The thin push rod 224 is located inside the round-headed push rod 223. The internal spring 225 is embedded in the round-headed push rod 223. The pin 226 is located at the left end of the thin push rod 224. The cylinder 23 is mounted on the fixed plate 3, and the front end of the cylinder 23 is connected to the crossbeam 221 of the pin insertion mechanism 22.

[0022] Example 1

[0023] like Figure 1 As shown, during automatic feeding, the cover plate 211 is first fed into the cover plate guide rail 12 via the conveyor belt 11. The cover plate guide rail 12 is a hollow rectangular guide rail, designed to correspond to the size of the cover plate, so that the cover plate 211 can pass through and be conveyed to the designated position to complete the material transportation. A fixing plate 3 is provided below the cover plate guide rail 12 to prevent the cover plate 211 from falling out of the cover plate guide rail 12. Since the cover plate 211 has its own weight, it will fall from the conveyor belt 11 into the mounting groove 212 of the front cover 21. Then, the pin 226 is fed into the pin guide rail 13 via the conveyor belt 11. The cover plate guide rail 12 and the mounting groove 212 of the front cover 21 are aligned with each other. Therefore, when the cover plate 211 falls into the mounting groove 212 via the conveyor belt 11, it can be ensured that its hole is aligned with the pin hole 213 of the pin guide rail 13. At the same time, a baffle is designed to prevent the cover plate 211 from falling out of the mounting groove 212.

[0024] In this embodiment, the cover plate guide rail 12 is designed so that after the front cover 21 and the cover plate 211 are inserted with pins, it can be rotated 90°. Therefore, when the material is being picked up, after the pin insertion is completed, and because the upper part of the baffle is not fixed, the front cover 21 can be taken out directly without any interference.

[0025] Example 2

[0026] like Figures 2 to 4 As shown, during the automatic pin insertion operation, when both the cover plate 211 and the pin 226 are delivered to the designated guide rail, the front end of the cylinder 23 is connected to the crossbeam 221 of the pin insertion mechanism 22. By using the cylinder 23 to push the pin insertion mechanism 22, the horizontal movement can be changed to vertical movement, causing the crossbeam 221 to move downward. Since the inclined block groove 222 and the crossbeam 221 are connected, the inclined block groove 222 also moves downward. The inclined block groove 222 has a certain tilt angle, causing the round-headed push rod 223 to move to the left. The thin push rod 224 is connected to the round-headed push rod 223, causing the thin push rod 224 to also move to the left, thereby pushing the pin 226. The pin 226 is inserted into the pin holes 213 on both sides of the front cover 21, and the pin insertion action is completed.

[0027] In this embodiment, the movement direction of the pin insertion mechanism 22 is changed by utilizing the movement of the inclined block groove 222 and the round-headed push rod 223. The round-headed push rod 223 has a built-in spring 225 inside, which will automatically return to its original state after the pin insertion action is completed. Both ends of the pin insertion mechanism 22 are provided with external springs 227, which can quickly and automatically reset after the pin insertion is completed. Since the lock has symmetrical pin holes 213 on both sides, and the force and depth of the pin insertion 226 are the same, the pins 226 are inserted at the same time, which saves costs and improves efficiency.

[0028] Example 3

[0029] like Figure 5 As shown, during the pinning process, the cover plate 211 is conveyed by the conveyor belt 11 and then guided by the cover plate guide rail 12 to be transported to the desired location. Figure 5 As shown, the pins 226 are arranged by a vibratory feeder, conveyed to the conveyor belt 11, and fall into the designated position. Finally, the movement of the cylinder 23 drives the movement of the pin insertion mechanism 22, pressing the two ends of the pins 226 into the corresponding pin holes 213.

[0030] The present invention discloses an automatic pin insertion device. By feeding a cover plate 211 into the cover plate guide rail 12 via a conveyor belt, the cover plate 211 falls into the mounting groove 212 of the front cover 21 by its own weight. The pin 226 is fed into the pin guide rail 13 via the conveyor belt 11. The cylinder 23 pushes the pin insertion mechanism 22, changing the horizontal movement to vertical movement, so that the pin 226 is inserted into the pin holes 213 on both sides of the front cover 21, completing the pin insertion work, and then connecting the front cover 21 and the cover plate 211 together. This device can realize automatic installation and automatic feeding, and can insert pins at both ends at the same time, which saves costs and improves efficiency.

[0031] Finally, it should be noted that the above embodiments are only illustrative of the technical solutions of the present invention, and not intended to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An automatic pin-pressing device, characterized in that, The device includes a feeding device (1) and a pin insertion device (2). The feeding device (1) includes a conveyor belt (11), a cover plate guide rail (12), and a pin guide rail (13). The pin insertion device (2) includes a front cover (21), a pin insertion mechanism (22), and a cylinder (23). One end of the pin insertion mechanism (22) is connected to the front cover (21), and the other end of the pin insertion mechanism (22) is connected to the cylinder (23). The front cover (21) is mounted on a fixed block (4). The fixing block (4) is installed on the fixing plate (3). The front cover (21) includes a cover plate (211), a mounting groove (212), and pin holes (213). The cover plate (211) is embedded in the mounting groove (212). Pin holes (213) are provided on both sides of the mounting groove (212). The pin insertion mechanism (22) includes a crossbeam (221), an inclined block groove (222), a round-headed push rod (223), a thin push rod (224), and a built-in... A spring (225) and a pin (226) are provided. The crossbeam (221) is located at one end of the pin insertion mechanism (22). The inclined block groove (222) is connected to the crossbeam (221). The right end of the round-headed push rod (223) is connected to the inclined block groove (222). The thin push rod (224) is located inside the round-headed push rod (223). The built-in spring (225) is embedded in the round-headed push rod (223). The pin (226) is located on the thin push rod (224). At the left end of 224), the cylinder (23) is mounted on the fixed plate (3), and the front end of the cylinder (23) is connected to the crossbeam (221) of the pin insertion mechanism (22); the cover plate guide rail (12) is vertically set at the mounting groove (212) and is flush with the mounting groove (212); the pin guide rail (13) is set at symmetrical positions on both sides of the cover plate guide rail (12); the pin guide rail (13) is connected to the pin insertion connector (230).

2. The automatic pin-pressing device according to claim 1, characterized in that, The inclined block groove (222) is in the shape of a groove, and its radius matches the upper circle radius of the pin (226). The inclined block groove (222) has an inclined angle, which pushes the round-headed push rod (223) to move to the left.

3. The automatic pin-pressing device according to claim 1, characterized in that, The cover plate guide rail (12) is a hollow rectangular guide rail. The cover plate (211) and the cover plate guide rail (12) are interference fit. A fixing plate (3) is provided below the cover plate guide rail (12).

4. The automatic pin-pressing device according to claim 1, characterized in that, The cover guide rail (12) rotates 90° after the front cover (21) and the cover plate (211) are inserted.

5. The automatic pin-pressing device according to claim 1, characterized in that, The pin insertion mechanism (22) can insert pins at both ends simultaneously.

6. The automatic pin-pressing device according to claim 1, characterized in that, The round-headed push rod (223) has a built-in spring (225) inside.

7. The automatic pin pressing device according to claim 1, characterized in that, The pin insertion mechanism (22) has external springs (227) symmetrically arranged on both sides.

Citation Information

Patent Citations

  • Automatic pin inserting machine for front cover of door lock

    CN216706600U