Assembling device for chain outer single-section main body structure

Abstract

A chain outer single section main body structure assembling device relates to the technical field of chain manufacturing and comprises a die and a pin shaft positioning plate, the die comprises an upper die and a lower die, the pin shaft positioning plate is arranged at the position, opposite to the upper die, of the top of the lower die, and a plurality of first through holes which are arranged in pairs are formed in the pin shaft positioning plate in an array mode. Each pair of first through holes corresponds to two pin shafts of one outer single-section main body structure, second through holes vertically opposite to the first through holes in a one-to-one mode are formed in the top of the lower die, a spring mechanism used for rebounding the pin shafts is further arranged in the lower die, and the pin shaft positioning plate is detachably and fixedly connected with the top of the lower die. And an outer chain plate matched with the pin shaft is placed between the pin shaft positioning plate and the top of the lower die. The pin shaft is punched through a punching machine, so that forming of the main body structure of the outer single section is guaranteed, the consistency of the exposure amount of the pin shaft is guaranteed, meanwhile, the problems that the single section is not easy to knock, the sheet is not flat and the like are solved, an assembled finished chain is basically consistent with a chain assembled by an assembling machine, and the cost is saved.

Description

Technical Field

[0001] The invention relates to the technical field of chain manufacturing, in particular to an assembly device for a chain outer single-section main structure. Background Art

[0002] With the rapid development of the industrial engine industry, chains have become more diversified. In the early stage of sample development, it is necessary to assemble the external single-section main structure, such as Figure 3 As shown, the outer single-section main structure refers to the outer single-section main frame assembled from one outer link plate and two pins. The two pins pass through the two link plate holes of the outer link plate, leaving a certain amount of protrusion. Due to the relatively small number of samples and the lack of specialized equipment, manual manufacturing is usually used. However, manual manufacturing has the following defects: due to the excessive thickness of the pins, the pin protrusion of the outer single section is often inconsistent, and the outer link plate is uneven and cannot be knocked. This leads to low manufacturing efficiency and poor product quality of the outer single-section main structure, which is significantly different from machine-assembled products. Utility Model Content

[0003] The present invention discloses a chain outer single-section main structure assembly device, which aims to solve the problems described in the background technology section: during the sample development process, due to the pin shaft being too thick, the outer single section is manually knocked, which often results in inconsistent pin shaft protrusion, uneven outer chain plates, and difficulty in knocking, resulting in low manufacturing efficiency and poor product quality of the outer single-section main structure.

[0004] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0005] A chain outer single-section main structure assembly device includes a mold and a pin positioning plate. The mold includes an upper mold and a lower mold. The upper mold is connected to the working end of a press through a handle. The lower mold is arranged on the workbench of the press. A pin positioning plate is provided at the top of the lower mold opposite to the upper mold. The pin positioning plate is arrayed with a plurality of first through holes arranged in pairs. Each pair of first through holes corresponds to two pins of an outer single-section main structure. The top of the lower mold is provided with a second through hole that is opposite to the first through hole one by one up and down. A spring mechanism for rebounding the pin is also provided inside the lower mold. The pin positioning plate is detachably fixedly connected to the top of the lower mold. The outer chain plate that cooperates with the pin is placed between the pin positioning plate and the top of the lower mold.

[0006] Preferably, the upper die includes an upper die base cover, an upper die base, and a handle. The top of the upper die cover is fixedly connected to the upper die base via a first hexagon socket head screw, and the top of the upper die base is provided with a handle.

[0007] Preferably, the cross section of the pin locating plate in the narrow side direction is a T-shaped structure, and the outer edge of the T-shaped structure extends out of the mold and forms an armrest.

[0008] Preferably, the lower die includes a positioning plate, a lower die base, and a lower die base cover plate from top to bottom. The positioning plate is fixedly connected to the lower die base by a second hexagonal cylindrical head screw, and the lower die base is fixedly connected to the lower die base cover plate by a third hexagonal cylindrical head screw. The positioning plate is detachably fixedly connected to the pin shaft positioning plate by a fourth hexagonal cylindrical head screw, and the pin shaft positioning plate is provided with a connecting hole matching the fourth hexagonal cylindrical head screw.

[0009] Preferably, the second through hole is provided on the positioning plate, and the spring mechanism includes a third through hole provided on the lower die base and opposite to the second through hole one by one up and down, and a cylindrical compression spring is provided in the third through hole, the bottom end of the cylindrical compression spring is connected to the top end of the lower die base cover plate, and the top end of the cylindrical compression spring is flush with the upper end of the third through hole.

[0010] Preferably, the inner diameters of the first through hole, the second through hole, and the third through hole are the same; or the inner diameters of the second through hole and the third through hole are the same and larger than the inner diameter of the first through hole.

[0011] Preferably, when the inner diameters of the second through hole and the third through hole are the same and larger than the inner diameter of the first through hole, the pin shaft positioning plate is provided with multiple models due to the difference in the inner diameters of the first through holes and the difference in the center distances of each pair of first through holes to match different models of outer single-section main body structures.

[0012] The beneficial effects of this new type of chain outer single-section main structure assembly device are:

[0013] This new type of chain ensures the formation of the main structure of the outer single section by punching the pin shaft through a punching machine, ensuring the consistency of the exposed amount of the pin shaft, and at the same time solves the problem of single section being difficult to knock and install and the unevenness of the pieces. The assembled finished chain is basically the same as the chain assembled by the assembly machine, saving costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solution of the present invention, the following briefly introduces the drawings required for use in the embodiments, which constitute a part of the specification and are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation to the present invention.

[0015] Figure 1 , schematic diagram of the mold structure of this new model;

[0016] Figure 2 , schematic diagram of the pin positioning plate structure;

[0017] Figure 3 , a schematic diagram of the front view of the successfully assembled outer single section main structure;

[0018] 1. Pin locating plate, 2. Locating plate, 3. Second hexagon socket head screw, 4. Locating pin of upper locating plate, 5. Lower die base, 6. Cylindrical compression spring, 7. Lower die base cover, 8. Upper die base, 9. Upper die base cover, 10. Handle, 11. Fourth hexagon socket head screw, 12. Third hexagon socket head screw, 13. First hexagon socket head screw, 14. First through hole, 15. Connecting hole, 16. Pin, 17. Outer link plate. DETAILED DESCRIPTION

[0019] The following will be combined with the accompanying drawings of the embodiments of the present invention to clearly and completely describe the technical solutions of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0020] The following embodiments may be understood as explaining a local structure of the present invention individually, or may be understood as explaining a larger structure of the present invention through a combination of multiple embodiments.

[0021] In this embodiment, a chain outer single section main structure assembly device, such as Figure 1 、 2 As shown, it includes a mold and a pin positioning plate 1. The mold includes an upper mold and a lower mold. The upper mold is connected to the working end of the press through a handle 10. The lower mold is set on the workbench of the press. A pin positioning plate 1 is provided at the top of the lower mold opposite to the upper mold. A plurality of first through holes 14 arranged in pairs are arranged in an array on the pin positioning plate 1. Each pair of first through holes 14 corresponds to an outer single-section main structure (such as Figure 3 The top of the lower mold is provided with a second through hole which is opposite to the first through hole 14 one by one. The interior of the lower mold is also provided with a spring mechanism for rebounding the pin 16. The pin locating plate 1 is detachably fixedly connected to the top of the lower mold, and an outer chain plate 17 which cooperates with the pin 16 is placed between the pin locating plate 1 and the top of the lower mold.

[0022] In a further embodiment, Figure 1 As shown, the upper die includes an upper die base cover plate 9, an upper die base 8, and a handle 10. The top of the upper die cover plate 9 is fixedly connected to the upper die base 8 through a first hexagon socket head screw 13, and the top of the upper die base 8 is provided with a handle 10.

[0023] In a further embodiment, Figure 1 As shown, the cross section of the narrow side of the pin locating plate 1 is a T-shaped structure, and the outer edge of the T-shaped structure extends out of the mold and forms an armrest, which reduces weight and facilitates the disassembly of the pin locating plate.

[0024] In a further embodiment, Figure 1 、 2 As shown, the lower die includes a positioning plate 2, a lower die base 5, and a lower die base cover plate 7 from top to bottom. The positioning plate 2 is fixedly connected to the lower die base 5 by a second hexagon socket head screw 3, and the lower die base 5 is fixedly connected to the lower die base cover plate 7 by a third hexagon socket head screw 12. The positioning plate 2 is detachably fixedly connected to the pin positioning plate by a fourth hexagon socket head screw 11, and the pin positioning plate is provided with a connecting hole 15 matching the fourth hexagon socket head screw 11.

[0025] In a further embodiment, Figure 1 As shown, the second through hole is provided on the positioning plate 2, and the spring mechanism includes a third through hole provided on the lower die base 5 and opposite to the second through hole one by one. A cylindrical compression spring 6 is provided in the third through hole, and the bottom end of the cylindrical compression spring 6 is connected to the top end of the lower die base cover plate 7, and the top end of the cylindrical compression spring 6 is flush with the upper end of the third through hole.

[0026] In a further embodiment, Figure 1 、 2 As shown, the inner diameters of the first through hole 14, the second through hole, and the third through hole are the same; or the inner diameters of the second through hole and the third through hole are the same and larger than the inner diameter of the first through hole.

[0027] In a further embodiment, Figure 1 、 2 As shown, when the inner diameters of the second through hole and the third through hole are the same and larger than the inner diameter of the first through hole, the pin shaft locating plate is provided with multiple models due to the difference in the inner diameter of the first through hole and the difference in the hole center distance of each pair of first through holes, so as to match different models of outer single-section main body structures (because the outer diameter of the pin shaft and the hole center distance of the outer link plate of different models of outer single-section main body structures are different).

[0028] The working principle of this new model:

[0029] When using, Figure 1 、 2 As shown, the outer chain plates are placed one by one on the top of the positioning plate, and the two chain plate holes of the outer chain plate are aligned with each pair of second through holes respectively, and then the pin positioning plate is installed. After installation, each pair of first through holes is also aligned with the corresponding chain plate holes, and the pins are inserted into the first through holes. Then, the press is started, and the upper die is used to uniformly press down to control the pin pressing depth, that is, the consistency of the exposed amount. After pressing in, the bottom end of the pin is pressed tightly against the top of the cylindrical compression spring. After the pin positioning plate is disassembled from the lower die, the pin positioning plate with the outer single-section main structure can be easily taken out due to the elastic force of the cylindrical compression spring, and then the outer single-section main structure is removed from the pin positioning plate. The outer single-section main structure obtained is as shown in FIG. Figure 3 As shown, the outcrop volume is large due to the large size of the chain.

Claims

1. A chain outer single-section main structure assembly device, characterized by: It includes a mold and a pin positioning plate. The mold includes an upper mold and a lower mold. The upper mold is connected to the working end of the press through a handle. The lower mold is arranged on the workbench of the press. A pin positioning plate is provided at the top of the lower mold opposite to the upper mold. The pin positioning plate is arrayed with a number of first through holes arranged in pairs. Each pair of first through holes corresponds to two pins of an outer single-section main structure. The top of the lower mold is provided with a second through hole that is opposite to the first through hole one by one. The lower mold is also provided with a spring mechanism for rebounding the pin. The pin positioning plate is detachably fixed to the top of the lower mold, and the outer chain plate that cooperates with the pin is placed between the pin positioning plate and the top of the lower mold.

2. A chain outer single-section main structure assembly device according to claim 1, characterized in that: The upper die includes an upper die base cover, an upper die base, and a handle. The top of the upper die cover is fixedly connected to the upper die base via a first hexagon socket head screw, and the top of the upper die base is provided with a handle.

3. A chain outer single-section main structure assembly device according to claim 2, characterized in that: The cross section of the pin shaft positioning plate in the narrow side direction is a T-shaped structure, and the outer edge of the T-shaped structure extends out of the mold and forms an armrest.

4. A chain outer single-section main structure assembly device according to claim 3, characterized in that: The lower die includes a positioning plate, a lower die base, and a lower die base cover plate from top to bottom. The positioning plate is fixedly connected to the lower die base by a second hexagonal cylindrical head screw, and the lower die base is fixedly connected to the lower die base cover plate by a third hexagonal cylindrical head screw. The positioning plate is detachably fixedly connected to the pin shaft positioning plate by a fourth hexagonal cylindrical head screw, and the pin shaft positioning plate is provided with a connecting hole matching the fourth hexagonal cylindrical head screw.

5. The chain outer single-section main structure assembly device according to claim 4, characterized in that: The second through hole is arranged on the positioning plate, and the spring mechanism includes a third through hole provided on the lower die base and opposite to the second through hole one by one. A cylindrical compression spring is provided in the third through hole, and the bottom end of the cylindrical compression spring is connected to the top end of the lower die base cover plate, and the top end of the cylindrical compression spring is flush with the upper end of the third through hole.

6. A chain outer single-section main structure assembly device according to claim 5, characterized in that: The inner diameters of the first through hole, the second through hole, and the third through hole are the same; or the inner diameters of the second through hole and the third through hole are the same and larger than the inner diameter of the first through hole.

7. A chain outer single-section main structure assembly device according to claim 6, characterized in that: When the inner diameters of the second through hole and the third through hole are the same and larger than the inner diameter of the first through hole, the pin shaft positioning plate has multiple models due to the difference in the inner diameters of the first through holes and the difference in the center distances of each pair of first through holes to match different models of outer single-section main body structures.

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