Connecting rod and crank assembling device

By designing a connecting rod and crank assembly device including feeding, pushing, injection and pinching mechanism, the problem of inaccurate crank assembly position caused by manual operation in the prior art is solved, and an efficient and accurate automatic assembly process is achieved.

CN222932158UActive Publication Date: 2025-06-03FOSHAN HAOYU AUTOMATION EQUIP CO LTD
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Patent Information

Application Number
CN202421908551.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-08
Publication Date
2025-06-03
Estimated Expiration
2034-08-08

AI Technical Summary

Technical Problem

During the assembly process of the existing tatami bed hinge, manual operation leads to inaccurate crank assembly position, prone to deviations, and reduces assembly efficiency.

Method used

A connecting rod and crank assembly device is designed, including a base, feeding mechanism, material pushing mechanism, injection mechanism and pinning mechanism, to achieve accurate movement and positioning of the crank through an automated process and automatically assemble the injection mechanism.

Benefits of technology

Accurate assembly of the crank is achieved, position deviation is avoided, hinge assembly efficiency is improved, and manual operation errors are reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of hardware production, and particularly discloses a connecting rod and crank assembling device which comprises a base, a feeding mechanism, a pushing mechanism, an injection mechanism and a jacking mechanism, a feeding pipe is arranged on the upper portion of the base, the feeding mechanism is arranged on the side, close to an outlet of the feeding pipe, of the base, and a storage table is arranged at an outlet of the feeding mechanism. When a crank is assembled, firstly, a connecting rod is placed in a first storage groove in a material storage plate, then the end, needing to be assembled, of the connecting rod faces an injection mechanism, then the crank is fed into a feeding mechanism from a feeding pipe, and then the crank is fed into a second storage groove through the feeding mechanism; the crank can be pushed into the first storage groove in the material storage plate by starting the material pushing mechanism, the crank can be moved to the end, needing to be assembled, of the connecting rod, accurate movement and positioning of the crank can be achieved, position deviation can be avoided, the rivet can be punched into the connecting position of the crank and the connecting rod by starting the pin punching mechanism, and the assembling efficiency is improved. And the connecting rod and the crank can be quickly assembled.
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Description

Technical Field

[0001] The utility model relates to the technical field of hardware production equipment, in particular to a connecting rod and crank assembly device. Background Art

[0002] The tatami bed is mainly composed of a bed frame and a tatami board, and the bed frame and the tatami board are connected by hinges. Figure 7 As shown, the hinge mainly includes a connecting rod, a crank and a first mounting seat, the connecting rod and the crank are connected, and the subsequent crank is connected to the tatami board through the first mounting seat. When the crank is installed, the crank is mainly placed on one end of the connecting rod by manual picking, and then installed to one end of the connecting rod by manual plugging, and then the connecting rod and the crank are fixed by manual operation of the clamp, and finally the rivet is riveted to the connection between the connecting rod and the crank by manual operation of the rivet gun, so as to realize the assembly operation of the connecting rod and the crank. The assembly position of the crank is positioned by manual picking, and it cannot be guaranteed that the assembly position of the crank can be accurately set on the connecting rod, which will cause deviation of the hinge after assembly, affecting the normal use of the hinge, and the manual placement of rivets will reduce the overall hinge assembly efficiency. Utility Model Content

[0003] In order to overcome the defects of the prior art, the utility model provides a connecting rod and crank assembly device.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a connecting rod and crank assembly device, comprising a base, a feeding mechanism, a pushing mechanism, an injection mechanism and a top connection mechanism, a feeding pipe is arranged on the upper part of the base, a feeding mechanism is arranged on one side of the base close to the outlet of the feeding pipe, the outlet of the feeding pipe extends into the interior of the feeding mechanism, a storage table is arranged at the outlet of the feeding mechanism, a second storage groove is provided inside the storage table, the second storage groove is communicated with the discharge end of the feeding mechanism, a pushing mechanism is arranged at one end of the storage table, a part of the moving end of the pushing mechanism passes through the storage table and extends into the second storage groove, an injection mechanism is arranged at the other end of the storage table, a top connection mechanism is arranged at the lower part of the injection mechanism, a material placement plate is arranged between the injection mechanism and the top connection mechanism, a first storage groove is provided inside the material placement plate, and the first storage groove is communicated with the second storage groove.

[0005] Further description of this solution. The feeding mechanism includes a first mounting base, a first mounting plate, a feeding plate, and a blanking module. The first mounting base is arranged on one side of the base. The upper surface of the first mounting base is provided with a feeding plate. The first mounting plate is arranged on the upper surface of the feeding plate. A third storage groove is formed inside the feeding plate. The discharge port of the feeding pipe extends into the third storage groove. The third storage groove communicates with the second storage groove. A blanking module is arranged on the side of the feeding plate away from the pushing mechanism. The moving end of the blanking module is arranged in the third storage groove.

[0006] Specifically, the blanking module includes a first cylinder and a top plate. The first cylinder is arranged at one end of the first mounting plate away from the pushing mechanism. The moving end of the first cylinder is provided with a top plate. The end of the top plate away from the first cylinder extends into the third storage groove.

[0007] Further description of this solution. The pushing mechanism includes a support plate, a second cylinder, and a pushing block. The support plate is arranged at one end of the placing table. The second cylinder is inserted through the support plate. The moving end of the second cylinder is provided with a pushing block. The end of the pushing block away from the second cylinder extends into the second storage groove so that the pushing block can penetrate through the placing table when moving back and forth.

[0008] Further description of this solution. The injection mechanism includes a second mounting base, a moving module, and a pressing module. The first mounting base is arranged at the discharge end of the pushing mechanism. A moving module is arranged on one side of the second mounting base. The moving end of the moving module is provided with a pressing module. The pressing module and the abutting mechanism are on the same vertical plane.

[0009] Specifically, the moving module includes a second mounting plate, a third cylinder, a moving plate, and a sliding component. The second mounting plate is arranged on one side of the second mounting base. A third cylinder is arranged on one side of the second mounting plate. The sliding component is arranged inside the second mounting base. The sliding end of the sliding component is provided with a moving plate. The upper surface of the moving plate is connected to the third cylinder through a connecting plate. The pressing module is arranged on the side of the moving module away from the placing table.

[0010] More specifically, the pressing module includes a fourth cylinder, a thimble, and a feeding block. The fourth cylinder is arranged on the side of the second mounting base away from the material placing plate and the placing table. The moving end of the fourth cylinder is provided with a thimble. The feeding block is arranged on the side of the moving plate away from the sliding component. A through hole is formed at the center of the feeding block. A feeding hole is formed on one side of the through hole. The through hole communicates with the feeding port. The end of the thimble away from the fourth cylinder faces the through hole and extends into the through hole.

[0011] Further description of this solution: The top connection mechanism includes a third mounting plate, a fifth cylinder member, and a top connection block. The third mounting plate is arranged at the bottom of the second mounting seat. A fifth cylinder member is arranged at one end of the third mounting plate away from the material placement plate. The moving end of the fifth cylinder member is provided with a top connection block, and the top connection block is on the same vertical plane as the pressing module.

[0012] The beneficial effects of the present utility model are as follows: When the device performs the assembly operation of the crank, first place the connecting rod into the first placement groove in the material placement plate, and make the end to be assembled face the injection mechanism. Subsequently, the crank will be fed into the feeding mechanism from the feeding pipe, and then the feeding mechanism will send the crank into the second placement groove of the placement table. Then, start the pushing mechanism to push the crank into the first placement groove in the material placement plate, and move the crank to the end where the connecting rod needs to be assembled, so as to achieve the accurate movement and positioning of the crank, avoid the situation of position deviation. Then, start the injection mechanism to drive the rivet into the connection part of the crank and the connecting rod, thereby realizing the rapid assembly operation of the connecting rod and the crank, avoiding the use of manual placement of rivets for assembly operations, and improving the overall hinge assembly efficiency. Description of the Drawings

[0013] Figure 1 is the overall structural schematic diagram of the assembly device of the present utility model Figure 1 ;

[0014] Figure 2 is the overall structural schematic diagram of the assembly device of the present utility model Figure 2 ;

[0015] Figure 3 is the front view of the overall structure of the assembly device of the present utility model;

[0016] Figure 4 is the structural schematic diagram of the feeding block of the present utility model;

[0017] Figure 5 is the combined structural schematic diagram of the feeding mechanism and the feeding pipe of the present utility model;

[0018] Figure 6 is the combined structural schematic diagram of the top material module and the material placement plate of the present utility model;

[0019] Figure 7 is the exploded view of the hinge structure.

[0020] As shown in the figure: base 1, feeding mechanism 2, first mounting seat 21, first mounting plate 22, feeding plate 23, third storage groove 231, material pushing module 24, first cylinder part 241, top plate 242, material pushing mechanism 3, support plate 31, second cylinder part 32, pushing block 33, injection mechanism 4, second mounting seat 41, moving module 42, second mounting plate 421, third cylinder part 422, moving plate 423, sliding component 424, pressing module 43, fourth cylinder part 431, ejector pin 432, feeding block 433, through hole 4331, feeding hole 4332, abutting mechanism 5, third mounting plate 51, fifth cylinder part 52, abutting block 53, feeding pipe 6, material placing plate 7, first storage groove 71, placing table 8, second storage groove 81, connecting plate 9. Detailed implementation manners

[0021] The following further describes the detailed implementation manners of the present utility model in conjunction with the accompanying drawings. It should be noted here that the description of these implementation manners is used to help understand the present utility model, but does not constitute a limitation to the present utility model. In addition, the technical features involved in the various implementation manners of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0022] As shown in the attached Figure 1 、 2 As shown in Figures 3, 4, 5, 6 and 7, a connecting rod and crank assembly device provided by the present utility model includes a base 1, a feeding mechanism 2, a material pushing mechanism 3, an injection mechanism 4 and an abutting mechanism 5. A feeding pipe 6 is arranged on the upper part of the base 1, and the feeding pipe 6 can be connected with an external vibration feeding device, so that the crank can be conveyed into the feeding pipe 6 by the external vibration feeding device. A feeding mechanism 2 is arranged on one side of the base 1 close to the outlet of the feeding pipe 6. The outlet of the feeding pipe 6 extends into the interior of the feeding mechanism 2. A placing table 8 is arranged at the outlet of the feeding mechanism 2. A second storage groove 81 is opened in the interior of the placing table 8. The second storage groove 81 is communicated with the discharging end of the feeding mechanism 2. One end of the placing table 8 is provided with a material pushing mechanism 3. A part of the moving end of the material pushing mechanism 3 penetrates into the material placing plate 7 and extends into the first storage groove 71. A injection mechanism 4 is arranged at the other end of the material placing plate 7. An abutting mechanism 5 is arranged below the injection mechanism 4. A material placing plate 7 is arranged between the injection mechanism 4 and the abutting mechanism 5. A first storage groove 71 is opened in the interior of the material placing plate 7. The first storage groove 71 is communicated with the second storage groove 81.

[0023] During the assembly operation of the crank: Place the connecting rod into the first placement groove 71 in the material placement plate 7. When placing it, the end of the connecting rod that needs to be assembled faces the injection mechanism 4. Then, send the crank into the feeding pipe 6 through an external vibration feeding device, so that the crank can be sent into the feeding mechanism 2 through the feeding pipe 6. Subsequently, start the feeding mechanism 2, and the feeding mechanism 2 pushes the crank into the second placement groove 81 inside the placement table 8. When the crank is pushed into the second placement groove 81, start the pushing mechanism 3, so that the pushing mechanism 3 can push the crank located in the second placement groove 81 towards the first placement groove 71 in the material placement plate 7, so that the crank can move to the end of the connecting rod that needs to be assembled, thereby achieving accurate movement and positioning of the crank, and avoiding the situation of position deviation. When the crank is connected to the connecting rod, start the injection mechanism 4, so that the injection mechanism can drive the rivet to be driven into the connection between the crank and the connecting rod. Subsequently, perform the riveting operation through an external riveting device on the rivet, so as to achieve the rapid assembly operation of the connecting rod and the crank, avoid using the manual placement of rivets for assembly operation, and improve the overall hinge assembly efficiency.

[0024] As shown in Figure 1 , 2 , 3, 5 and 6, the feeding mechanism 2 includes a first mounting seat 21, a first mounting plate 22, a feeding plate 23 and a material pushing module 24. The first mounting seat 21 is arranged on one side of the base 1. The upper surface of the first mounting seat 21 is provided with a feeding plate 23. The first mounting plate 22 is arranged on the upper surface of the feeding plate 23. A third placement groove 231 is formed inside the feeding plate 23. The discharge port of the feeding pipe 6 extends into the third placement groove 231. The third placement groove 231 is communicated with the first placement groove 71. A material pushing module 24 is arranged on the side of the feeding plate 23 away from the pushing mechanism 3. The moving end of the material pushing module 24 is arranged inside the third placement groove 231;

[0025] At the same time, the material pushing module 24 includes a first cylinder member 241 and a top plate 242. The first cylinder member 241 is arranged at one end of the first mounting plate 22 away from the pushing mechanism 3. The movable end of the first cylinder member 241 is provided with a top plate 242. The end of the top plate 242 away from the first cylinder member 241 extends into the third placement groove 231.

[0026] When the crank enters the feeding mechanism 2 from the feeding pipe 6, it can first fall into the third placement groove 231 inside the feeding plate 23. Subsequently, start the first cylinder member 241 of the material pushing module 24, so that the first cylinder member 241 can drive the top plate 242 to move towards the placement table 8 inside the third placement groove 231, so that the crank located in the third placement groove 231 can be pushed into the second placement groove 81 inside the placement table 8 through the top plate 242, which is convenient for the pushing mechanism 3 to work.

[0027] As shown inFigure 1 , 2 As shown in FIGS. 3, 5 and 6, the pusher mechanism 3 includes a support plate 31, a second cylinder member 32 and a push block 33. The support plate 31 is arranged at one end of the placing table 8. A second cylinder member 32 is inserted through the inside of the support plate 31. A push block 33 is arranged at the movable end of the second cylinder member 32. One end of the push block 33 away from the second cylinder member 32 extends into the first placing groove 71, so that the push block 33 can penetrate through the placing table 8 when moving back and forth;

[0028] When the crank enters the second placing groove 81 inside the placing table 8 through the feeding mechanism 2, the second cylinder member 32 can be started, and the second cylinder member 32 is used to drive the push block 33 to move in the second placing groove 81 towards the placing table 8, so as to push the crank located inside the second placing groove 81 into the first placing groove 71 in the material placing plate 7, so as to connect and combine the crank with the connecting rod located in the first placing groove 71.

[0029] As shown in FIGS. Figure 1 , 2 3, 4, 5 and 6, the injection mechanism 4 includes a second mounting seat 41, a moving module 42 and a pressing module 43. The first mounting seat 21 is arranged at the discharging end of the pusher mechanism 3. A moving module 42 is arranged on one side of the second mounting seat 41. A pressing module 43 is arranged at the movable end of the moving module 42. The pressing module 43 and the abutting mechanism 5 are located on the same vertical plane;

[0030] After the crank and the connecting rod are connected and combined in the first placing groove 71, the moving module 42 can be started to drive the pressing module 43 to move to the upper part of the connection between the crank and the connecting rod located inside the first placing groove 71. Subsequently, the pressing module 43 can be connected with an external rivet conveying device, so that the rivet can be driven into the connection between the crank and the connecting rod through the pressing module 43. When driving the rivet, the abutting mechanism 5 is arranged to perform an abutting operation on the pressing module 43, ensuring that the rivet can be normally driven into the connection between the crank and the connecting rod.

[0031] Subsequently, the moving module 42 includes a second mounting plate 421, a third cylinder member 422, a moving plate 423 and a sliding component 424. The second mounting plate 421 is arranged on one side of the second mounting seat 41. A third cylinder member 422 is arranged on one side of the second mounting plate 421. The sliding component 424 is arranged inside the second mounting seat 41. A moving plate 423 is arranged at the sliding end of the sliding component 424. The upper surface of the moving plate 423 is connected with the third cylinder member 422 through a connecting plate 9. The pressing module 43 is arranged on the side of the moving module 42 away from the placing table 8;

[0032] When it is necessary to move the pressing-down module 43: The moving plate 423 can be driven by the third cylinder member 422 to move, so that the moving plate 423 can move towards the material placing plate 7 through the guidance of the sliding assembly 424, so that the pressing-down module 43 can be moved to the upper part of the connection between the crank and the connecting rod.

[0033] The pressing-down module 43 includes a fourth cylinder member 431, a thimble 432 and a feeding block 433. The fourth cylinder member 431 is arranged on the side of the second mounting seat 41 away from the material placing plate 7. The movable end of the fourth cylinder member 431 is provided with a thimble 432. The feeding block 433 is arranged on the side of the moving plate 423 away from the sliding assembly 424. A through hole 4331 is arranged at the center inside the feeding block 433. A feeding hole 4332 is opened on one side of the through hole 4331. The feeding port 4332 can be connected to the discharging end of an external rivet conveying device. Subsequently, the through hole 4331 is communicated with the feeding port 4332, so that the rivets sent out from the discharging end of the rivet conveying device can enter the inside of the through hole 4331 from the feeding port 4332. One end of the thimble 432 away from the fourth cylinder member 431 faces the through hole 4331 and extends into the through hole 4331;

[0034] When the pressing-down module 43 moves to a specified position: Rivets can be fed from the feeding port 4332 into the through hole 4331. Then, by starting the fourth cylinder member 431, the thimble 432 can be driven by the fourth cylinder member 431 to move, so that the thimble 432 can move along the through hole 4331 towards the connection between the crank and the connecting rod, so as to push the rivets located in the through hole 4331 towards the connection between the crank and the connecting rod, and thus the rivets can be driven into the connection between the crank and the connecting rod.

[0035] Finally, the butting mechanism 5 includes a third mounting plate 51, a fifth cylinder member 52 and a butting block 53. The third mounting plate 51 is arranged at the bottom of the second mounting seat 41. A fifth cylinder member 52 is arranged at one end of the third mounting plate 51 away from the material placing plate 7. The movable end of the fifth cylinder member 52 is provided with a butting block 53. The butting block 53 and the pressing-down module 43 are in the same vertical plane;

[0036] When the pressing-down module 43 is working, the butting block 53 can be driven by the fifth cylinder member 52 to move upward, so that the butting block 53 can better support the pressed-down rivets.

[0037] It should be noted that when the rivets are driven into the connection between the crank and the connecting rod, the riveting operation can be further carried out by an external rivet riveting device, so as to realize the assembly operation of the crank and the connecting rod.

[0038] The above has described the embodiments of the present utility model in detail with reference to the accompanying drawings, but the present utility model is not limited to the described embodiments. For those skilled in the art, without departing from the principle and spirit of the present utility model, various changes, modifications, substitutions, and variations made to these embodiments still fall within the protection scope of the present utility model.

Claims

1. A connecting rod and crank assembly device, comprising a base (1), a feeding mechanism (2), a pushing mechanism (3), an injection mechanism (4) and a top connection mechanism (5), characterized in that: A feeding pipe (6) is arranged on the upper part of the base (1); a feeding mechanism (2) is arranged on one side of the base (1) close to the outlet of the feeding pipe (6); the outlet of the feeding pipe (6) extends into the interior of the feeding mechanism (2); a storage platform (8) is arranged at the outlet of the feeding mechanism (2); a second storage groove (81) is provided inside the storage platform (8); the second storage groove (81) is communicated with the outlet end of the feeding mechanism (2); and a pushing mechanism (8) is arranged at one end of the storage platform (8). 3), a part of the moving end of the pushing mechanism (3) passes through the storage platform (8) and extends into the second storage groove (81), the other end of the storage platform (8) is provided with an injection mechanism (4), the lower part of the injection mechanism (4) is provided with a top connection mechanism (5), a material placement plate (7) is provided between the injection mechanism (4) and the top connection mechanism (5), a first storage groove (71) is provided inside the material placement plate (7), and the first storage groove (71) is connected to the second storage groove (81).

2. A connecting rod and crank assembly device according to claim 1, characterized in that: The feeding mechanism (2) comprises a first mounting seat (21), a first mounting plate (22), a feeding plate (23) and a material ejection module (24); the first mounting seat (21) is arranged on one side of the base (1); the feeding plate (23) is arranged on the upper surface of the first mounting seat (21); the first mounting plate (22) is arranged on the upper surface of the feeding plate (23); a third storage groove (231) is provided inside the feeding plate (23); the discharge port of the feeding pipe (6) extends into the third storage groove (231); the third storage groove (231) is connected to the second storage groove (81); the material ejection module (24) is arranged on the side of the feeding plate (23) away from the pushing mechanism (3); the movable end of the material ejection module (24) is arranged in the third storage groove (231).

3. A connecting rod and crank assembly device according to claim 2, characterized in that: The ejecting module (24) comprises a first cylinder member (241) and a ejecting plate (242); the first cylinder member (241) is arranged at an end of the first mounting plate (22) away from the ejecting mechanism (3); the movable end of the first cylinder member (241) is provided with the ejecting plate (242); and the end of the ejecting plate (242) away from the first cylinder member (241) extends into the third storage groove (231).

4. A connecting rod and crank assembly device according to claim 1, characterized in that: The pushing mechanism (3) comprises a support plate (31), a second cylinder member (32) and a pushing block (33); the support plate (31) is arranged at one end of the storage platform (8); the second cylinder member (32) is inserted into the interior of the support plate (31); the push block (33) is arranged at the movable end of the second cylinder member (32); the push block (33) extends into the second storage groove (81) at one end of the push block (33) away from the second cylinder member (32), so that the push block (33) can penetrate the storage platform (8) when it moves back and forth.

5. A connecting rod and crank assembly device according to claim 1, characterized in that: The injection mechanism (4) comprises a second mounting seat (41), a moving module (42) and a pressing module (43); the first mounting seat (21) is arranged at the discharge end of the pushing mechanism (3); the moving module (42) is arranged on one side of the second mounting seat (41); the moving end of the moving module (42) is arranged with a pressing module (43); the pressing module (43) and the top connection mechanism (5) are located on the same vertical plane.

6. A connecting rod and crank assembly device according to claim 5, characterized in that: The moving module (42) comprises a second mounting plate (421), a third cylinder component (422), a moving plate (423) and a sliding assembly (424); the second mounting plate (421) is arranged on one side of the second mounting seat (41); the third cylinder component (422) is arranged on one side of the second mounting plate (421); the sliding assembly (424) is arranged on the inner side of the second mounting seat (41); the moving plate (423) is arranged at the sliding end of the sliding assembly (424); the upper surface of the moving plate (423) is connected to the third cylinder component (422) via a connecting plate (9); and the pressing module (43) is arranged on a side of the moving module (42) away from the storage table (8).

7. A connecting rod and crank assembly device according to claim 6, characterized in that: The pressing module (43) comprises a fourth cylinder member (431), an ejector pin (432) and a feed block (433); the fourth cylinder member (431) is arranged on a side of the second mounting seat (41) away from the material placement plate (7); the movable end of the fourth cylinder member (431) is provided with an ejector pin (432); the feed block (433) is arranged on a side of the movable plate (423) away from the sliding assembly (424); a through hole (4331) is provided at the inner center of the feed block (433); a feed hole (4332) is provided on one side of the through hole (4331); the through hole (4331) is connected to the feed port; an end of the ejector pin (432) away from the fourth cylinder member (431) faces the through hole (4331) and extends into the through hole (4331).

8. A connecting rod and crank assembly device according to claim 1, characterized in that: The top connection mechanism (5) comprises a third mounting plate (51), a fifth cylinder member (52) and a top connection block (53); the third mounting plate (51) is arranged at the bottom of the second mounting seat (41); the end of the third mounting plate (51) away from the material placement plate (7) is provided with a fifth cylinder member (52); the movable end of the fifth cylinder member (52) is provided with a top connection block (53); the top connection block (53) and the pressing module (43) are on the same vertical plane.