A screw locking and pressing jig

Abstract

The utility model provides a kind of auxiliary lock screw press-fit jig, belong to press-fit jig technical field, including protective shell cover, the handle is symmetrically installed in protective shell cover side wall, press-fit assembly is provided in protective shell cover, press-fit assembly is used to assist user to complete the lid between product upper cover and shell, the power interface is arranged in protective shell cover side wall, the heat dissipation fan is embedded and installed in protective shell cover side wall, the press-fit assembly includes sealing plate and jacking cylinder, the sealing plate is installed in protective shell cover top, the buckle is installed in sealing plate side wall, two groups of sliding port are set in sealing plate surface, the jacking cylinder is installed in protective shell cover inner bottom by bolt, the jacking cylinder output end is installed with connecting plate. The utility model structure is compact, small and light, realize up and down lid automation by movement mechanism, reduce manpower time, improve work efficiency, reduce the product's bad rate.

Description

Technical Field

[0001] This utility model relates to the field of pressing fixture technology, and in particular to an auxiliary screw pressing fixture. Background Technology

[0002] In modern industrial manufacturing, multi-chamber molecular sieves are precision components, and their airtightness is a core indicator for ensuring product performance and reliability. These products typically employ a top-and-bottom cap structure, with sealing rings and springs between the caps to ensure effective isolation and sealing between the chambers. Final assembly usually involves pressing the top and bottom caps together with multiple screws, thus requiring an auxiliary screw-locking fixture to facilitate screw tightening.

[0003] The existing screw-tightening process mainly relies on manual operation. Because the spring inside the cover continuously provides lifting force, and the sealing ring will generate deformation resistance when not uniformly compressed, it is difficult for operators to achieve absolute synchronization and uniform force when tightening the screws one by one. When the first or first few screws are tightened first, the cover in the corresponding area will be locally compressed first, forcing the sealing ring in that area to undergo excessive compression deformation, while the sealing rings in other areas have not yet made effective contact. At the same time, the internal spring will also become skewed, misaligned, or even jammed due to uneven force. The locally overcompressed sealing ring may undergo permanent deformation or damage, destroying its sealing performance. The skewed spring makes it impossible for the cover to close in parallel. After the final tightening is completed, there is residual stress inside the product, and the airtightness between the cavities cannot meet the design requirements, resulting in poor airtightness. In order to try to achieve a qualified sealing effect, operators often need to repeatedly disassemble, adjust, and re-tighten, which greatly increases the assembly time of a single product, making the entire production process inefficient and costly. Utility Model Content

[0004] To address the aforementioned problems, this utility model proposes an auxiliary screw-locking clamping fixture, which more accurately solves the problems of low production efficiency, poor product airtightness, and low yield when locking existing screws.

[0005] This utility model is achieved through the following technical solution: This utility model proposes an auxiliary screw-locking clamping fixture, including a protective cover, with handles symmetrically installed on the side wall of the protective cover, and a clamping component provided inside the protective cover. The clamping component is used to assist the user in closing the product cover and the housing.

[0006] Furthermore, a power interface is provided on the side wall of the protective shell, and a cooling fan is embedded in the side wall of the protective shell.

[0007] Furthermore, the pressing assembly includes a sealing plate and a lifting cylinder. The sealing plate is installed on the top of the protective housing, and a buckle is installed on the side wall of the sealing plate. Two sets of sliding openings are opened on the surface of the sealing plate. The lifting cylinder is installed at the bottom of the protective housing by bolts, and a connecting plate is installed at the output end of the lifting cylinder.

[0008] Furthermore, two sets of vertical rods are symmetrically installed on the top of the connecting plate, and guide bearings are slidably installed on the outside of the two sets of vertical rods. A fixture pressure plate is installed at the top of the vertical rod, and multiple sets of guide holes are opened on the surface of the fixture pressure plate.

[0009] Furthermore, the guide bearing is bolted to the top of the sealing plate, the vertical rod passes through the inside of the sealing plate, and the sealing plate and the protective cover are fixed together by a snap fastener.

[0010] Furthermore, the pressing assembly also includes a translation cylinder, which is bolted to the inner wall of the protective housing. A connecting rod is installed at the output end of the translation cylinder, and two sets of sliding blocks are symmetrically installed on the side wall of the connecting rod by bolts. A fixing plate is bolted to the top of the two sets of sliding blocks, and a contour seat is bolted to the top of the fixing plate. A guide rail is slidably installed inside the sliding block.

[0011] Furthermore, the sliding block is slidably disposed with the sliding opening, the fixing plate is located above the sealing plate, and the guide rail is installed at the bottom of the sealing plate by bolts.

[0012] Furthermore, two sets of start buttons are symmetrically embedded in the sealing plate, and the fixture pressure plate is correspondingly set with the contour seat.

[0013] The beneficial effects of this utility model are: This utility model proposes an auxiliary screw-locking pressing fixture, which is compact, lightweight and easy to move by the user due to the pressing component. It can be started by pressing the start button with both hands, which reduces the safety risks during the pressing process. It can press the product cover and the product shell together, ensuring uniform pressing force, reducing the risk of deformation of springs and sealing rings, ensuring the airtightness of the product, improving the production efficiency and reducing the product defect rate. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the conforming seat structure of this utility model; Figure 3 This is a schematic diagram of the internal structure of the protective shell of this utility model; Figure 4 This is a schematic diagram of the pressing component structure of this utility model.

[0015] The attached figures are labeled as follows: In the diagram: 1. Protective housing; 2. Handle; 3. Power interface; 4. Cooling fan; 5. Sealing plate; 6. Buckle; 7. Sliding port; 8. Lifting cylinder; 9. Connecting plate; 10. Vertical rod; 11. Guide bearing; 12. Fixture pressure plate; 13. Guide hole; 14. Translation cylinder; 15. Connecting rod; 16. Sliding block; 17. Fixing plate; 18. Contouring seat; 19. Guide rail; 20. Start button. Detailed Implementation

[0016] To more clearly and completely illustrate the technical solution of this utility model, the following description, in conjunction with the accompanying drawings, will further explain this utility model.

[0017] Please refer to Figures 1-4 This utility model proposes an auxiliary screw-locking clamping fixture, including a protective cover 1. A controller is installed inside the protective cover 1. The controller is connected to a start button 20, a lifting cylinder 8, and a translation cylinder 14. Handles 2 are symmetrically installed on the side wall of the protective cover 1 to facilitate the movement of the fixture by the user. A clamping assembly is installed inside the protective cover 1 to assist the user in closing the cover between the product's top cover and the housing. A power interface 3 is provided on the side wall of the protective cover 1 for connecting a power cord. A cooling fan 4 is embedded in the side wall of the protective cover 1 to dissipate heat from the electrical equipment inside the protective cover 1, ensuring the normal operation of the equipment.

[0018] The pressing assembly includes a sealing plate 5 and a lifting cylinder 8. The sealing plate 5 is installed on the top of the protective shell 1 to seal the top of the protective shell 1. A latch 6 is installed on the side wall of the sealing plate 5 for connection and fixation between the sealing plate 5 and the protective shell 1. Two sets of sliding openings 7 are provided on the surface of the sealing plate 5 to limit the sliding block 16 and ensure its horizontal movement. The lifting cylinder 8 is bolted to the bottom of the protective shell 1 and drives the fixture pressure plate 12 to move. A connecting plate 9 is installed at the output end of the lifting cylinder 8. Two sets of vertical rods 10 are symmetrically installed on the top of the connecting plate 9. Guide bearings 11 are slidably fitted onto the outside of the two sets of vertical rods 10 to limit their vertical movement and ensure their vertical movement. A fixture pressure plate 12 is installed at the top of the vertical rods 10 to press the product cover. Multiple sets of guide holes 13 are provided on the surface of the fixture pressure plate 12 for pressing the product cover. The top cover and screws are positioned and guided. The guide bearing 11 is bolted to the top of the sealing plate 5. The vertical rod 10 passes through the sealing plate 5. The sealing plate 5 and the protective shell 1 are connected and fixed together by a buckle 6. When closing the top cover and the shell, after pressing the start button 20, the contour seat 18 is moved below the fixture pressure plate 12. Then, the lifting cylinder 8 is activated, which drives the connecting plate 9 to move down. The movement of the connecting plate 9 drives the vertical rod 10 to move. Under the limit of the guide bearing 11, the vertical rod 10 moves vertically downward. The movement of the vertical rod 10 drives the fixture pressure plate 12 to press down. The pressing down of the fixture pressure plate 12 can press the top cover and the shell together, ensuring uniform pressing force, reducing the risk of deformation of the spring and sealing ring, and ensuring the airtightness of the product. Finally, the screw is screwed in through the guide hole 13 to complete the closing of the top cover and the shell, improving the production efficiency of the product.

[0019] The pressing assembly also includes a translation cylinder 14, which is bolted to the inner wall of the protective housing 1 and used to drive the connecting rod 15 to move. The output end of the translation cylinder 14 is fitted with the connecting rod 15. Two sets of sliding blocks 16 are symmetrically mounted on the side wall of the connecting rod 15 via bolts. A fixing plate 17 is bolted to the top of each set of sliding blocks 16, and a contour seat 18 is bolted to the top of the fixing plate 17 for positioning and limiting the product. The contour seat 18 can be replaced according to different products. A guide rail 19 is slidably installed inside each sliding block 16 to ensure horizontal movement of the sliding block 16. The sliding block 16 is slidably positioned with the sliding opening 7. The fixing plate 17 is located above the sealing plate 5. The guide rail 19 is bolted to the bottom of the sealing plate 5. Two sets of start buttons 20 are symmetrically embedded inside the sealing plate 5 for starting and controlling the lifting cylinder 8 and the translation cylinder 14. The fixture pressure plate 12 is correspondingly set with the contour base 18. When closing the product cover and the housing, the user places the product housing into the contour base 18, then snaps the product cover into the guide hole 13 of the fixture pressure plate 12, and then presses the start button 20 with both hands. Subsequently, the translation cylinder 14 and the lifting cylinder 8 are activated in sequence. The translation cylinder 14 drives the connecting rod 15 to move, the movement of the connecting rod 15 drives the sliding block 16 to move, and the movement of the sliding block 16 drives the fixed plate 17 to move. The movement of cylinder 7 drives the contour base 18 to move, which can move the contour base 18 to below the fixture pressure plate 12, thereby moving the product housing to below the fixture pressure plate 12. With the cooperation of the lifting cylinder 8, the product cover and the housing are closed. The operation is simple. It can be started by pressing the start button 20 with both hands, which reduces the safety risks during the pressing process. After the screws are fixed, the user presses the start button 20 again, and the contour base 18 and the fixture pressure plate 12 are reset, and the product can be unloaded.

[0020] Of course, there may be other implementations of this utility model. Based on this implementation, other implementations obtained by those skilled in the art without any creative effort are all within the scope of protection of this utility model.

Claims

1. An auxiliary screw-pressing fixture, characterized in that, Includes a protective cover, with handles symmetrically installed on the side walls of the protective cover, and a pressing assembly provided inside the protective cover, which is used to assist the user in closing the product cover and the housing. The pressing assembly includes a sealing plate and a lifting cylinder. The sealing plate is installed on the top of the protective shell, and a buckle is installed on the side wall of the sealing plate. Two sets of sliding openings are opened on the surface of the sealing plate. The lifting cylinder is installed at the bottom of the protective shell by bolts, and a connecting plate is installed at the output end of the lifting cylinder. The pressing assembly also includes a translation cylinder, which is bolted to the inner wall of the protective housing. A connecting rod is installed at the output end of the translation cylinder. Two sets of sliding blocks are symmetrically installed on the side wall of the connecting rod by bolts. A fixing plate is bolted to the top of the two sets of sliding blocks. A contour seat is bolted to the top of the fixing plate. A guide rail is slidably installed inside the sliding block.

2. The auxiliary screw-pressing fixture according to claim 1, characterized in that, The protective shell has a power interface on its side wall, and a cooling fan is embedded in the side wall of the protective shell.

3. The auxiliary screw-pressing fixture according to claim 1, characterized in that, Two sets of vertical rods are symmetrically installed on the top of the connecting plate. Guide bearings are slidably installed on the outside of the two sets of vertical rods. A fixture pressure plate is installed at the top of the vertical rods. Multiple sets of guide holes are opened on the surface of the fixture pressure plate.

4. The auxiliary screw-pressing fixture according to claim 3, characterized in that, The guide bearing is bolted to the top of the sealing plate, the vertical rod passes through the inside of the sealing plate, and the sealing plate and the protective cover are fixed together by a snap fastener.

5. The auxiliary screw-pressing fixture according to claim 1, characterized in that, The sliding block is slidably disposed with the sliding opening, the fixing plate is located above the sealing plate, and the guide rail is installed at the bottom of the sealing plate by bolts.

6. The auxiliary screw-pressing fixture according to claim 3, characterized in that, Two sets of start buttons are symmetrically embedded in the sealing plate, and the fixture pressure plate is correspondingly set with the contour seat.

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