Top screw locking mechanism of final assembly jig

By designing a screw lock mechanism on the top of the assembly fixture, using components such as lifting cylinders, lifting blocks, electric drivers and sliding plates, the automatic limit and release limits of the fixture are achieved, solving the problem of low automation in the existing technology and improving the efficiency of screw installation.

CN222857272UActive Publication Date: 2025-05-13FREEWON CHINA CO LTD
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Patent Information

Application Number
CN202421591298.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-08
Publication Date
2025-05-13
Estimated Expiration
2034-07-08

AI Technical Summary

Technical Problem

In the prior art, the automation level of the previous technology is low in the process of locking the top screws of the assembly fixture, and it is necessary to start the cylinder and drive the positioning cover plate to limit and release the limit of the fixture.

Method used

A screw lock mechanism on the top of the assembly fixture is designed, including a workbench, a placing plate, a driving block, a conveying assembly, a locking assembly, a limiting assembly and a control assembly. By controlling the lifting cylinder to drive the lifting block, electric driver and lifting flex rod downward movement, combined with the sliding of the sliding plate and the slide chute, the limit and release of the fixture are achieved.

Benefits of technology

The automatic installation of batch screws is realized, the degree of automation of the equipment is improved, and the number of manual operations is reduced.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222857272U_ABST
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Abstract

The utility model relates to the technical field of screw installation, in particular to a final assembly jig top screw locking mechanism which mainly comprises a workbench. The placing plate is arranged at the top of the workbench; the driving block is arranged at the top of the placing plate; the housing is arranged at the top of the workbench; the conveying assembly is arranged at the top of the placing plate and used for controlling the driving block to drive the jig to slide on the placing plate; the locking assembly is arranged at the top of the workbench and used for conducting screw locking treatment on the jig on the driving block; and the limiting assembly is arranged at the top of the placing plate and used for limiting and fixing the jig on the driving block. According to the top screw locking mechanism for the final assembly jig, through the technical scheme, the problem that in the prior art, when batch screws are installed, the air cylinder needs to be started for many times to drive the positioning cover plate to limit and release limiting of the jig, and the equipment automation degree is low is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of screw installation, in particular to a top screw locking mechanism for an assembly fixture. Background Art

[0002] In short, screw locking is to fix the screws in a specific position or object by some method or technology to ensure its stability and safety. The final assembly jig is placed on the workbench of the screw locking automatic machine. After the equipment fixes the jig through the positioning device, an electric screwdriver is used to drive the screw to rotate inside the screw hole to complete the screw locking work on the final assembly jig.

[0003] At present, in the process of locking the screws on the top of the assembly jig, the jig is usually limited by the positioning cover plate driven by the cylinder, and then the screws are locked by the electric screwdriver. When installing batches of screws, the cylinder needs to be started multiple times to drive the positioning cover plate to limit and release the jig, and the automation level of the equipment is low. Therefore, the utility model proposes a screw locking mechanism for the top of the assembly jig. Utility Model Content

[0004] The utility model aims to provide a top screw locking mechanism for an assembly fixture to solve the problems raised by the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A top screw locking mechanism for an assembly jig, comprising: a workbench;

[0007] A placement plate is arranged on the top of the workbench;

[0008] A driving block is arranged on the top of the placing plate;

[0009] A cover shell is arranged on the top of the workbench;

[0010] A conveying assembly, arranged on the top of the placement plate, for controlling the driving block to drive the jig to slide on the placement plate;

[0011] A locking assembly, arranged on the top of the workbench, for performing screw locking processing on the fixture on the driving block;

[0012] A limiting component, arranged on the top of the placement plate, for limiting and fixing the jig on the driving block;

[0013] The control component is arranged on the top of the placement plate and is used to cooperate with the locking component to drive the limiting component to limit and fix the fixture.

[0014] Preferably, the conveying assembly includes a transfer cylinder, which is fixed to the top of a placement plate, two slide rails are fixed to the top of the placement plate, four conveying blocks are fixed to the bottom of the driving block, and the conveying blocks are all slidably sleeved on the outer side walls of the slide rails, and the telescopic end of the transfer cylinder is fixed to the driving block.

[0015] Preferably, the locking assembly includes a fixed plate, which is arranged above the workbench; a lifting block is slidably connected to the front side of the fixed plate, an electric screwdriver is fixed to the outer wall of the lifting block, and a lifting folding rod is fixed to one side of the lifting block.

[0016] Preferably, the limiting assembly includes two lifting sleeves, both of which are fixedly connected to the top of the placing plate, and sliding rods are slidably sleeved inside the lifting sleeves. The tops of the two sliding rods are fixedly connected to connecting folding plates, the bottoms of the connecting folding plates are fixedly connected to positioning cover plates, and the rear sides of the connecting folding plates are fixedly connected to two lifting rods.

[0017] Preferably, the control component includes a vertical plate, the vertical plate is fixedly connected to the top of the placement plate, a U-shaped block is fixedly connected to the top of the vertical plate, a sliding lower plate is slidably connected inside the U-shaped block, a sliding upper plate is fixedly connected to the top of the sliding lower plate, two sliding lower grooves are provided on the outer wall of the sliding lower plate, an upper sliding groove is provided on the outer wall of the sliding upper plate, the lifting folding rod is slidably connected to the sliding upper groove, and the lifting rods are all slidably connected to the sliding lower groove.

[0018] Preferably, the outer side walls of the lifting rod and the lifting and folding rod are rotatably connected with slip rings.

[0019] Preferably, one end of the lifting rod and the lifting and folding rod are both fixedly connected with a clamping block.

[0020] Preferably, a lifting cylinder is fixedly connected to the top of the fixed plate, and a telescopic end of the lifting cylinder passes through the side wall of the fixed plate and is fixedly connected to the lifting block.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] The utility model drives the lifting block, the electric screwdriver and the lifting folding rod to move downward by controlling the lifting cylinder; the lifting folding rod drives the sliding upper plate and the sliding lower plate to slide along the inner wall of the U-shaped block through the sliding upper groove; the sliding lower plate drives the lifting rod and the connecting folding plate to slide downward through the sliding lower groove; the connecting folding plate drives the positioning cover plate to move downward, so that the positioning cover plate abuts against the top of the fixture to limit and fix the fixture; after the locking screws are completed, the lifting block drives the positioning cover plate to move upward through the lifting folding rod, the sliding upper plate, the sliding lower plate, the lifting rod and the connecting folding plate, so that the positioning cover plate is separated from the fixture, and the limitation of the fixture is released; when batches of screws are installed, the limiting and releasing work of the fixture is automatically completed, and the equipment has a high degree of automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0024] Figure 2 It is a three-dimensional structural schematic diagram of the slide rail in the utility model;

[0025] Figure 3 It is a three-dimensional structural schematic diagram of the lifting sleeve in the utility model;

[0026] Figure 4 It is a three-dimensional structural schematic diagram of the U-shaped block in the utility model;

[0027] Figure 5 It is a schematic diagram of the three-dimensional structure of the connecting folding plate in the utility model;

[0028] Figure 6 It is a three-dimensional structural schematic diagram of the card block in the utility model;

[0029] Figure 7 It is a three-dimensional structural schematic diagram of the slip ring in the utility model.

[0030] In the figure: 1. workbench; 11. placement plate; 12. driving block; 13. cover shell; 21. transplanting cylinder; 22. slide rail; 23. conveying block; 31. fixing plate; 32. lifting block; 33. electric screwdriver; 34. lifting folding rod; 41. lifting sleeve; 42. slide rod; 43. connecting folding plate; 44. positioning cover plate; 45. lifting rod; 51. vertical plate; 52. U-shaped block; 53. sliding lower plate; 54. sliding upper plate; 55. sliding lower groove; 56. sliding upper groove; 6. slip ring; 7. clamping block; 8. lifting cylinder. DETAILED DESCRIPTION

[0031] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0032] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0033] Example 1: Please refer to Figure 1-7 The utility model provides a technical solution: a screw locking mechanism for the top of an assembly jig, comprising: a workbench 1; a placement plate 11, arranged on the top of the workbench 1; a driving block 12, arranged on the top of the placement plate 11; a cover shell 13, arranged on the top of the workbench 1; a conveying component, arranged on the top of the placement plate 11, used to control the driving block 12 to drive the jig to slide on the placement plate 11; a locking component, arranged on the top of the workbench 1, used to screw-lock the jig on the driving block 12; a limiting component, arranged on the top of the placement plate 11, used to limit and fix the jig on the driving block 12; a control component, arranged on the top of the placement plate 11, used to cooperate with the locking component to drive the limiting component to limit and fix the jig.

[0034] The conveying assembly includes a transfer cylinder 21, which is fixedly connected to the top of the placement plate 11, and two slide rails 22 are fixedly connected to the top of the placement plate 11. Four conveying blocks 23 are fixedly connected to the bottom of the driving block 12. The conveying blocks 23 are all slidably sleeved on the outer wall of the slide rail 22, and the telescopic end of the transfer cylinder 21 is fixedly connected to the driving block 12; the locking assembly includes a fixed plate 31, which is arranged above the workbench 1; the front side of the fixed plate 31 is slidably connected to a lifting block 32, and an electric screwdriver 33 is fixedly connected to the outer wall of the lifting block 32, and a lifting folding rod 34 is fixedly connected to one side of the lifting block 32; the limiting assembly includes two lifting sleeves 41, and the two lifting sleeves 41 are fixedly connected to the top of the placement plate 11. The interior of the lifting sleeves 41 is slidably sleeved with a slide rod 42, and the tops of the two slide rods 42 are fixedly connected to a connecting folding plate 43, which connects the folding plate 43. A positioning cover plate 44 is fixed to the bottom of the plate 43, and two lifting rods 45 are fixed to the rear side of the connecting folding plate 43; the control component includes a vertical plate 51, the vertical plate 51 is fixed to the top of the placement plate 11, a U-shaped block 52 is fixed to the top of the vertical plate 51, a sliding lower plate 53 is slidably connected inside the U-shaped block 52, a sliding upper plate 54 is fixed to the top of the sliding lower plate 53, two sliding lower grooves 55 are provided on the outer wall of the sliding lower plate 53, a sliding upper groove 56 is provided on the outer wall of the sliding upper plate 54, the lifting folding rod 34 is slidably connected to the sliding upper groove 56, and the lifting rods 45 are all slidably connected to the sliding lower groove 55; the outer walls of the lifting rods 45 and the lifting folding rods 34 are rotatably connected to the slip rings 6; a lifting cylinder 8 is fixed to the top of the fixed plate 31, and the telescopic end of the lifting cylinder 8 passes through the side wall of the fixed plate 31 and is fixed to the lifting block 32.

[0035] The present scheme is specifically as follows: by starting the transfer cylinder 21, the transfer cylinder 21 drives the driving block 12 to slide along the slide rail 22 through the telescopic end, and the driving block 12 drives the assembly fixture to move to the bottom of the electric screwdriver 33. By starting the lifting cylinder 8, the lifting cylinder 8 drives the lifting block 32 to slide downward along the side wall of the fixed plate 31 through the telescopic end, and the lifting block 32 drives the electric screwdriver 33 and the lifting folding rod 34 to move downward. Under the limiting action of the upper sliding groove 56, the lifting folding rod 34 drives the upper sliding plate 54 and the lower sliding plate 53 to slide along the inner wall of the U-shaped block 52 through the slip ring 6 and the upper sliding groove 56. Under the limiting action of the lower sliding groove 55, the lower sliding plate 53 drives the two lifting rods 45 and the connecting folding plate 43 along the axis of the lifting sleeve 41 through the lower sliding groove 55 and the slip ring 6. Slide downward, the connecting folding plate 43 drives the positioning cover plate 44 to move downward, so that the positioning cover plate 44 contacts the top of the fixture, and the fixture is limited and fixed. The lifting block 32 continues to drive the electric screwdriver 33 to move downward, and the electric screwdriver 33 locks the screws on the top of the fixture. After the screws are locked, the lifting cylinder 8 drives the lifting block 32 to slide upward, and the lifting block 32 drives the electric screwdriver 33 to separate from the fixture. The lifting block 32 drives the positioning cover plate 44 to move upward through the lifting folding rod 34, the sliding upper plate 54, the sliding lower plate 53, the lifting rod 45 and the connecting folding plate 43, so that the positioning cover plate 44 is separated from the fixture, and the limitation of the fixture is released. When installing batches of screws, the limiting and releasing of the fixture are automatically completed, and the equipment has a high degree of automation.

[0036] Embodiment 2: Figure 6 As shown, a top screw locking mechanism of an assembly fixture disclosed in the second embodiment of the present invention has a structure that is basically the same as that in the first embodiment, except that a clamping block 7 is fixedly connected to one end of the lifting rod 45 and the lifting folding rod 34 .

[0037] The specific solution of this invention is as follows: by setting the clamping block 7, the lifting rod 45 is slidably connected with the sliding lower groove 55 through the clamping block 7, and the lifting folding rod 34 is slidably connected with the sliding upper groove 56 through the clamping block 7, so that the connection between the lifting rod 45 and the lifting folding rod 34 is more stable, thereby improving the stability of the overall device.

[0038] A person skilled in the art should understand that the discussion of any of the above embodiments is only exemplary; under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0039] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. A screw locking mechanism for the top of an assembly fixture, characterized in that: include: Workbench (1); A placement plate (11) is arranged on the top of the workbench (1); A driving block (12) is arranged on the top of the placement plate (11); A cover (13) is arranged on the top of the workbench (1); A conveying assembly, arranged on the top of the placement plate (11), and used to control the driving block (12) to drive the jig to slide on the placement plate (11); A locking assembly, arranged on the top of the workbench (1), and used for performing screw locking processing on the fixture on the driving block (12); A limiting component, arranged on the top of the placement plate (11), and used for limiting and fixing the fixture on the driving block (12); A control component is arranged on the top of the placement plate (11) and is used to cooperate with the locking component to drive the limiting component to limit and fix the fixture.

2. The top screw locking mechanism of the final assembly fixture according to claim 1, characterized in that: The conveying assembly comprises a transfer cylinder (21), the transfer cylinder (21) is fixedly connected to the top of a placement plate (11), the top of the placement plate (11) is fixedly connected to two slide rails (22), the bottom of the driving block (12) is fixedly connected to four transfer blocks (23), the transfer blocks (23) are all slidably sleeved on the outer side walls of the slide rails (22), and the telescopic end of the transfer cylinder (21) is fixedly connected to the driving block (12).

3. The top screw locking mechanism of the final assembly fixture according to claim 1, characterized in that: The locking assembly comprises a fixing plate (31) which is arranged above the workbench (1); a lifting block (32) is slidably connected to the front side of the fixing plate (31); an electric screwdriver (33) is fixedly connected to the outer side wall of the lifting block (32); and a lifting folding rod (34) is fixedly connected to one side of the lifting block (32).

4. The top screw locking mechanism of the final assembly jig according to claim 3, characterized in that: The limiting assembly comprises two lifting sleeves (41), the two lifting sleeves (41) are fixedly connected to the top of the placement plate (11), the interior of the lifting sleeves (41) is slidably sleeved with a slide rod (42), the top of the two slide rods (42) are fixedly connected to a connecting folding plate (43), the bottom of the connecting folding plate (43) is fixedly connected to a positioning cover plate (44), and the rear side of the connecting folding plate (43) is fixedly connected to two lifting rods (45).

5. The top screw locking mechanism of the final assembly jig according to claim 4, characterized in that: The control component comprises a vertical plate (51), wherein the vertical plate (51) is fixedly connected to the top of the placement plate (11), a U-shaped block (52) is fixedly connected to the top of the vertical plate (51), a sliding lower plate (53) is slidably connected inside the U-shaped block (52), a sliding upper plate (54) is fixedly connected to the top of the sliding lower plate (53), two sliding lower grooves (55) are provided on the outer wall of the sliding lower plate (53), an sliding upper groove (56) is provided on the outer wall of the sliding upper plate (54), the lifting folding rod (34) is slidably connected to the sliding upper groove (56), and the lifting rods (45) are all slidably connected to the sliding lower grooves (55).

6. The top screw locking mechanism of the final assembly jig according to claim 4, characterized in that: The outer side walls of the lifting rod (45) and the lifting folding rod (34) are both rotatably connected with a slip ring (6).

7. The top screw locking mechanism of the final assembly jig according to claim 4, characterized in that: One end of the lifting rod (45) and the lifting folding rod (34) are both fixedly connected with a clamping block (7).

8. The top screw locking mechanism of the final assembly jig according to claim 3, characterized in that: A lifting cylinder (8) is fixedly connected to the top of the fixed plate (31), and the telescopic end of the lifting cylinder (8) passes through the side wall of the fixed plate (31) and is fixedly connected to the lifting block (32).