Automatic assembling machine for pintle chain
By designing an automatic assembly machine for pin-and-chain assembly, which utilizes cylinders and motors to drive the automatic positioning and riveting of chain segments and pins, the problem of the difficulty in fully automating the assembly of pin-and-chain assembly is solved, thus improving assembly efficiency and speed.
Patent Information
- Application Number
- CN202520040991.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-08
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-01-08
AI Technical Summary
The existing pin-and-pin assembly mainly relies on semi-automatic equipment, making it difficult to achieve fully automated assembly.
An automatic assembly machine for pin-and-pin chains was designed, comprising a chain feeder, a positioning device, a shaft feeder, a riveting head, and a drive unit. The machine achieves automated positioning and riveting of chain pieces and pins through cylinder and motor drive, thus realizing the automatic assembly of pin-and-pin chains.
It has enabled automated assembly of the pin chain, improving assembly efficiency and speed.
Smart Images

Figure CN223762074U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of automation equipment technology, and specifically relates to an automatic assembly machine for pin-and-chain assembly. Background Technology
[0002] A pin chain is a type of chain with a relatively unique shape. Due to the varying shapes of its chain links, most existing pin chains are connected using semi-automatic equipment. Generally, a pin chain consists of two or more chain links connected by pins. Each chain link includes two parallel outer chain links with a first spacing. One end of the two outer chain links is connected by a connecting piece, and the other end of each outer chain link is connected by a bevel to two parallel second outer chain links with a second spacing, which is greater than the first spacing. How to achieve automatic assembly of the aforementioned pin chain is a subject of study for those skilled in the art. Utility Model Content
[0003] This invention provides an automatic assembly machine for pin-and-chain assembly that is simple in structure and fast in installation.
[0004] An automatic assembly machine for pin-joint chains includes a pin-joint chain and a frame. The frame is equipped with an automatic pin-joint chain piece feeding device, an automatic pin-joint chain piece positioning device, an automatic pin shaft feeding device, a pin shaft upper riveting device, a pin shaft lower riveting device, and a pin-joint chain drive device. The automatic pin-joint chain piece feeding device pushes individual pin-joint chain pieces one by one to the automatic pin-joint chain piece positioning device, which positions each individual pin-joint chain piece. Then, the automatic pin shaft feeding device automatically delivers the pin to the connecting hole of the pin-joint chain piece. Subsequently, the upper and lower pin shaft riveting devices work together to insert the pin into the connecting hole and complete the upper and lower riveting function. Finally, the pin-joint chain drive device moves the pin-joint chain with the pins connected, achieving automatic assembly of the entire pin-joint chain.
[0005] The pin chain includes two or more pin chain links, which are connected by pins. Each pin chain link includes two parallel first outer chain links with a first spacing. One end of the two first outer chain links is connected by a connecting piece, and the other end of each of the two first outer chain links is connected by an inclined surface to two parallel second outer chain links with a second spacing, which is greater than the first spacing.
[0006] The automatic feeding device for pin-joint chain links includes a first drive cylinder. The push rod of the first drive cylinder is connected to a chain link push rod. The chain link push rod cooperates to push the pin-joint chain links installed in the chain link groove. The chain link groove is located in a first mounting base. The bottom of the first mounting base is provided with a passing groove to accommodate the movement of the pin-joint chain links. The pin-joint chain links are driven one by one by the first drive cylinder to pass through the passing groove and enter the next process of the automatic pin-joint chain assembly machine.
[0007] The automatic positioning device for the pin-joint chain links includes a second drive cylinder. The push rod of the second drive cylinder is connected to a second outer chain link positioning seat. The second outer chain link positioning seat is connected to a first outer chain link positioning seat. The second outer chain link positioning seat and the first outer chain link positioning seat simultaneously clamp and position the pin-joint chain links to accommodate the second and first gaps of the pin-joint chain.
[0008] The bottom of the second outer chain plate positioning seat is connected to the guide rail to improve the stability of the second drive cylinder.
[0009] The automatic pin feeding device includes a third drive cylinder. The push rod of the third drive cylinder cooperates with the pin. The pin is installed in the pin mounting hole of the pin mounting seat. The bottom of the pin mounting seat is provided with a through-shaft groove to accommodate the movement of the pin. The third drive cylinder drives the pin to move horizontally along the through-shaft groove. The pins pass through the through-shaft groove one by one under the drive of the third drive cylinder and enter the pin chain link connection hole above the pin coupling for riveting.
[0010] The pin-shaft riveting device includes a fourth drive cylinder. The first push rod of the fourth drive cylinder is connected to a first chuck, which is connected to a first rivet head. The pin-shaft riveting device is mounted on the upper side of the pin-shaft via an upper bracket. The pin-shaft lower riveting device is mounted on the lower side of the pin-shaft via a connecting frame. The pin-shaft lower riveting device includes a fifth drive cylinder. The push rod of the fifth drive cylinder is connected to a second chuck, which is connected to a second rivet head. The pin-shaft upper and lower riveting devices work together to rivet two pin-connected chain links together via the pin-shaft.
[0011] The pin chain drive device includes a gear disk driven by a drive motor. The gear disk meshes with and connects to the pin chain. The pin chain is installed in a guide rail groove. The rotation of the gear disk driven by the drive motor completes the movement of the assembled pin chain, realizing automated installation.
[0012] This utility model achieves automatic assembly performance of the pin chain by cooperating with an automatic feeding device for the pin chain links, an automatic positioning device for the pin chain links, an automatic pin shaft feeding device, an upper riveting device for the pin shaft, an lower riveting device for the pin shaft, and a pin chain drive device. Attached Figure Description
[0013] The present invention will be further described below with reference to the accompanying drawings:
[0014] Figure 1 This is a three-dimensional structural diagram of the automatic assembly machine for pin-locking chains according to this utility model;
[0015] Figure 2 This is a side view of the automatic assembly machine for pin-locking chains according to this utility model.
[0016] Figure 3This is a top view of the automatic assembly machine for pin-locking chains of this utility model;
[0017] Figure 4 This is a schematic diagram of the three-dimensional structure of the pin-and-chain mechanism of this utility model;
[0018] Figure 5 This is a schematic diagram of the three-dimensional structure of the pin-joint chain piece in this utility model. Detailed Implementation Plan
[0019] The following is in conjunction with the appendix Figure 1-5 The specific implementation method further illustrates the technical solution of this patent.
[0020] An automatic assembly machine for pin-joint chains includes a pin-joint chain 5 and a frame 20. The frame is equipped with an automatic pin-joint chain piece feeding device, an automatic pin-joint chain piece positioning device, an automatic pin shaft feeding device, a pin shaft upper riveting device, a pin shaft lower riveting device, and a pin-joint chain drive device.
[0021] As a preferred structural feature, the pin chain 5 includes two or more pin chain links, which are connected by pins 51. Each pin chain link includes two parallel first outer chain links 56 with a first spacing. One end of the two first outer chain links 56 is connected by a connecting piece 57, and the other end of each of the two first outer chain links 56 is connected by a bevel 53 to two parallel second outer chain links 52 with a second spacing, which is greater than the first spacing.
[0022] The automatic feeding device for pin-connected chain links includes a first drive cylinder 22. The push rod of the first drive cylinder 22 is connected to the chain link push rod 1. The chain link push rod 1 cooperates to push the pin-connected chain links installed in the chain link groove 3. The chain link groove 3 is located in the first mounting base 24. The bottom of the first mounting base 24 is provided with a passing groove to accommodate the movement of the pin-connected chain links.
[0023] The automatic positioning device for the pin-locked chain links includes a second drive cylinder 4. The push rod of the second drive cylinder 4 is connected to a second outer chain link positioning seat 10. The second outer chain link positioning seat 10 is connected to a first outer chain link positioning seat 16. The second outer chain link positioning seat 10 and the first outer chain link positioning seat 16 simultaneously clamp and position the pin-locked chain links. The bottom of the second outer chain link positioning seat 10 is connected to a guide rail 11.
[0024] The automatic pin feeding device includes a third drive cylinder 2, the push rod of the third drive cylinder 2 is engaged with the pin 51, the pin 51 is installed in the pin mounting hole 15 of the pin mounting seat 25, the bottom of the pin mounting seat 25 is provided with a through groove 23 to accommodate the movement of the pin, and the third drive cylinder 2 drives the pin 51 to move horizontally along the through groove 23.
[0025] The pin-shaft riveting device includes a fourth drive cylinder 13. The first push rod 38 of the fourth drive cylinder 13 is connected to a first chuck 7, and the first chuck 7 is connected to a first rivet head 8. The pin-shaft riveting device is mounted on the upper side of the pin 51 via an upper bracket 17. The pin-shaft lower riveting device is mounted on the lower side of the pin 51 via a connecting frame 20. The pin-shaft lower riveting device includes a fifth drive cylinder 9. The push rod of the fifth drive cylinder 9 is connected to a second chuck, and the second chuck is connected to a second rivet head.
[0026] The pin chain drive device includes a gear disk 6 driven by a drive motor 21, the gear disk 6 meshing with the pin chain 5, and the pin chain 5 being installed in the guide rail groove 12.
[0027] The specific working process of this utility model is as follows: The pin-connected chain pieces are stacked and installed in the chain piece groove 3. Then, the push rod of the first drive cylinder 22 pushes each individual pin-connected chain piece to the automatic positioning device via the chain piece push rod 1. The second drive cylinder 4 drives the second outer chain piece positioning seat 10 and the first outer chain piece positioning seat 16 to simultaneously clamp and position the pin-connected chain pieces. The automatic positioning device completes the positioning function for each individual pin-connected chain piece. Then, the third drive cylinder 2 of the automatic pin shaft feeding device drives the pin shaft 51, automatically sending the pin shaft to the first connecting hole 54 of a pin-connected chain piece. The first connecting hole 54 of one pin chain link engages with the second connecting hole 55 of another pin chain link. The first connecting hole 54 and the second connecting hole 55 are stacked coaxially. Then, the upper and lower riveting devices of the pin shaft work together to insert the pin shaft into the first connecting hole 54 and the second connecting hole 55 to complete the connection function between the two independent pin chain links. Then, the fourth drive cylinder 13 drives the first riveting head 8 and the fifth drive cylinder 9 drives the second riveting head to complete the upper and lower riveting function of the pin shaft. Finally, the gear disk driven by the drive motor rotates and drags to complete the movement of the assembled pin chain to achieve automated installation.
[0028] The preferred embodiments of this patent have been described in detail above. However, this patent is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of this patent.
Claims
1. A pin chain automatic assembly machine comprising a pin chain (5) and a frame (20), characterized in that: The rack is provided with a pin chain link automatic feeding device, a pin chain link automatic positioning device, a pin shaft automatic feeding device, a pin shaft upper riveting head device, a pin shaft lower riveting head device and a pin chain driving device.
2. A pin-and-ring automatic assembly machine according to claim 1, characterized in that: The pin chain (5) comprises two or more pin chain links connected by a pin shaft (51), and each pin chain link comprises two first outer links (56) parallel to each other and having a first interval, and the two first outer links (56) are connected at one end by a connecting piece (57) and connected at the other end by a slope (53) to two second outer links (52) parallel to each other and having a second interval, wherein the second interval is greater than the first interval.
3. A pin-and-ring automatic assembly machine according to claim 1, wherein: The pin chain link automatic feeding device comprises a first driving cylinder (22), a top rod of the first driving cylinder (22) is connected to a link pushing rod (1), the link pushing rod (1) pushes the pin chain link installed in a link groove (3), the link groove (3) is arranged in a first mounting seat (24), and the bottom of the first mounting seat (24) is provided with a link moving groove.
4. The pin-and-ring automatic assembly machine of claim 1, wherein: The pin chain link automatic positioning device comprises a second driving cylinder (4), a top rod of the second driving cylinder (4) is connected to a second outer link positioning seat (10), the second outer link positioning seat (10) is connected to a first outer link positioning seat (16), and the second outer link positioning seat (10) and the first outer link positioning seat (16) clamp and position the pin chain link at the same time.
5. A pin-and-ring automatic assembly machine according to claim 4, wherein: The bottom of the second outer link positioning seat (10) is connected to a guide rail (11).
6. A pin-and-ring automatic assembly machine according to claim 1, wherein: The pin shaft automatic feeding device comprises a third driving cylinder (2), a top rod of the third driving cylinder (2) is connected to a pin shaft (51), the pin shaft (51) is installed in a pin shaft mounting hole (15) of a pin shaft mounting seat (25), the bottom of the pin shaft mounting seat (25) is provided with a shaft moving groove (23), and the third driving cylinder (2) drives the pin shaft (51) to move horizontally along the shaft moving groove (23).
7. The pin-and-ring automatic assembly machine of claim 1, wherein: The pin shaft upper riveting head device comprises a fourth driving cylinder (13), a first top rod (38) of the fourth driving cylinder (13) is connected to a first chuck (7), the first chuck (7) is connected to a first riveting head (8), and the pin shaft upper riveting head device is installed on the upper side of the pin shaft (51) through an upper support (17); the pin shaft lower riveting head device is connected to the rack (20) and installed on the lower side of the pin shaft (51), and the pin shaft lower riveting head device comprises a fifth driving cylinder (9), a top rod of the fifth driving cylinder (9) is connected to a second chuck, and the second chuck is connected to a second riveting head.
8. The pin-and-ring automatic assembly machine of claim 1, wherein: The pin chain driving device comprises a gear disc (6) driven by a driving motor (21), the gear disc (6) is connected to the pin chain (5) in meshing mode, and the pin chain (5) is installed in a guide rail groove (12).