Precise hydraulic shaping jig

Abstract

The precise hydraulic shaping jig comprises a bottom plate and a tile-shaped workpiece, the bottom plate is provided with a shaping assembly used for adjusting the shape of the tile-shaped workpiece, the shaping assembly comprises an oil hydraulic cylinder installed on the upper surface of the bottom plate, and the output end of the oil hydraulic cylinder is fixedly connected with a movable plate; through cooperative arrangement of structures such as an oil hydraulic cylinder, a moving plate and a trapezoidal pushing block, during use, the trapezoidal pushing block slides out of the moving plate through a sliding assembly, a tile-shaped workpiece is placed on the trapezoidal pushing block, the two ends of the interior of the tile-shaped workpiece abut against the inclined face of the trapezoidal pushing block, and then the oil hydraulic cylinder is started; the oil hydraulic cylinder drives the moving plate to ascend, the tile-shaped workpiece abuts against the top plate, the tile-shaped workpiece is unfolded and repaired through the trapezoidal pushing block, and the problems that the appearance of the workpiece shrinks inwards due to the structure of the workpiece, tolerance is out of tolerance, and the whole workpiece is scrapped are solved as much as possible.

Description

Technical Field

[0001] This application relates to the field of shaping fixtures, and more particularly to a precision hydraulic shaping fixture. Background Technology

[0002] Precision workpieces refer to those that have extremely strict requirements for size, shape, and surface quality during the manufacturing process. These workpieces are typically used in high-tech products, aerospace, automotive, electronics, and other fields, and have high technological content and application value.

[0003] Existing aluminum alloy tile-shaped workpieces, after processing, will have an inward shrinkage due to their own structure, causing the tolerances to exceed the limits and resulting in the scrapping of the entire workpiece. Utility Model Content

[0004] To address the aforementioned problems, this application provides a precision hydraulic shaping fixture.

[0005] The precision hydraulic shaping fixture provided in this application adopts the following technical solution:

[0006] A precision hydraulic shaping fixture includes a base plate and a tile-shaped workpiece. The base plate is provided with a shaping component for adjusting the shape of the tile-shaped workpiece. The shaping component includes a hydraulic cylinder mounted on the upper surface of the base plate. A movable plate is fixedly connected to the output end of the hydraulic cylinder. A trapezoidal pushing block for placing the tile-shaped workpiece is provided on the upper surface of the movable plate. A sliding component is provided between the movable plate and the trapezoidal pushing block. Support plates are fixedly connected to both sides of the upper surface of the base plate. A top plate for abutting against the tile-shaped workpiece is fixedly connected to the top of the support plate.

[0007] By adopting the above technical solution, during use, the trapezoidal push block is slid out from the moving plate by the sliding component, and the tile-shaped workpiece is placed on the trapezoidal push block, so that the two ends of the inner part of the tile-shaped workpiece abut against the inclined surface of the trapezoidal push block. Then, the hydraulic cylinder is activated, which drives the moving plate to rise, so that the tile-shaped workpiece abuts against the top plate. The trapezoidal push block unfolds the tile-shaped workpiece for repair, which avoids the problem that the workpiece shape will shrink due to its own structure, causing the tolerance to exceed the tolerance and resulting in the scrapping of the entire workpiece.

[0008] Preferably, the sliding assembly includes a fixed plate fixedly connected to the upper surface of the movable plate, two parallel sliding grooves are formed on the upper surface of the fixed plate, one end of each sliding groove is open, a sliding block is provided on the upper surface of the fixed plate, two sliding strips adapted to the sliding grooves are fixedly connected to the lower surface of the sliding block, and the trapezoidal push block is fixedly connected to the upper surface of the sliding block.

[0009] By adopting the above technical solution, by pulling the sliding block, the slide bar slides in the slide groove, which drives the trapezoidal push block to slide, and the trapezoidal push block is moved out from under the top plate, making it convenient to place the tile-shaped workpiece on the trapezoidal push block.

[0010] Preferably, a limiting groove is formed at one end of the fixed plate at the opening of the slide groove, the limiting groove is located below the slide groove, a push plate is provided in the limiting groove, limiting rods are fixedly connected to both ends of the upper surface of the push plate, the end of the limiting rod away from the push plate is located in the slide groove, a plurality of equidistant springs are fixedly connected to the lower surface of the push plate, the bottom end of the springs is fixedly connected to the bottom wall of the limiting groove, and a limiting hole adapted to the limiting rod is formed at one end of the lower surface of the slide bar.

[0011] By adopting the above technical solution, pressing the push plate causes the spring to extend and retract, moving the limiting rod out of the slide groove and allowing the slide bar to slide in the slide groove. When the slide bar is fully slid into the slide groove, the trapezoidal push block is moved below the top plate, aligning the limiting hole with the limiting rod. Under the spring's rebound, the limiting rod is inserted into the limiting hole, which can fix the slide bar and prevent it from sliding in the slide groove and causing the trapezoidal push block to move during use.

[0012] Preferably, a fixing block is fixedly connected to both sides of the upper surface of the movable plate, a guide post is fixedly connected to the top of the fixing block, a guide sleeve is fixedly connected to both sides of the upper surface of the top plate, and the top of the guide post is slidably disposed in the guide sleeve.

[0013] By adopting the above technical solution, the stability of the moving plate during lifting and lowering can be improved through the guide column and guide sleeve.

[0014] Preferably, limiting posts are fixedly connected to both sides of the top of the fixing block. The top of the limiting posts is located below the top plate. Threaded rods are provided on the upper surface of the top plate above the limiting posts. One end of each threaded rod passes through the top plate and is slidably disposed inside the limiting post. The threaded rod is threadedly connected to the top plate. A limiting adjustment piece is provided at the top of the limiting post for adjusting the distance between the limiting post and the top plate. The limiting adjustment piece is sleeved on the threaded rod.

[0015] By adopting the above technical solution, the threaded rod is rotated and slid out of the limiting post. Then, limiting adjustment plates of different thicknesses are placed on the top of the limiting post. After that, the threaded rod is moved through the limiting adjustment plates and moved into the limiting post. The limiting adjustment plates are installed, which can adjust the distance between the limiting post and the top plate, limit the lifting height of the moving plate, and improve the accuracy of shaping tile-shaped workpieces.

[0016] Preferably, a plurality of positioning rods are fixedly connected in the limiting groove, and the push plate is sleeved on the positioning rods.

[0017] By adopting the above technical solution, the stability of the push plate movement can be improved by using the positioning rod.

[0018] Preferably, a pressing block is fixedly connected to one side wall of the push plate, the pressing block extends out of the limiting groove, and a U-shaped rod is fixedly connected to one side wall of the sliding block.

[0019] By adopting the above technical solution, the pressing block can be used to press the push plate, causing the push plate to press down the spring and move within the limiting groove. At the same time, the U-shaped rod can be used to easily drive the sliding block to move.

[0020] In summary, this application includes at least one of the following beneficial technical effects:

[0021] 1. This application utilizes the coordinated arrangement of a hydraulic cylinder, a moving plate, and a trapezoidal push block. During use, the trapezoidal push block is slid out from the moving plate via a sliding assembly. The tile-shaped workpiece is placed on the trapezoidal push block, with both ends of the workpiece abutting against the inclined surface of the trapezoidal push block. Then, the hydraulic cylinder is activated, causing the moving plate to rise and the workpiece to abut against the top plate. The trapezoidal push block unfolds the workpiece for repair, minimizing the risk of the workpiece shrinking due to its own structure, which could lead to tolerance errors and the scrapping of the entire workpiece.

[0022] 2. By pressing the push plate, the spring extends and retracts, moving the limit rod out of the slide groove, allowing the slide bar to slide in the slide groove. When the slide bar is fully slid into the slide groove, move the trapezoidal push block below the top plate, aligning the limit hole with the limit rod. Under the spring's rebound, the limit rod inserts into the limit hole, thus fixing the slide bar and preventing it from sliding in the slide groove and causing the trapezoidal push block to move during use. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of a precision hydraulic shaping fixture according to an embodiment of this application;

[0024] Figure 2 This is a schematic diagram illustrating the guide column structure, which is a key feature of this application.

[0025] Figure 3 This is a schematic diagram illustrating the structure of the limiting post and the limiting adjustment plate, which are the main features of the embodiments of this application.

[0026] Figure 4 The embodiments of this application mainly embody Figure 1 A schematic diagram of the enlarged structure of region A in the middle;

[0027] Figure 5 This is an exploded view of the connection structure between the slider and the groove, which is the main feature of the embodiments of this application.

[0028] Reference numerals: 1. Base plate; 2. Tile-shaped workpiece; 3. Hydraulic cylinder; 4. Moving plate; 5. Trapezoidal push block; 6. Support plate; 7. Top plate; 8. Fixed plate; 9. Slide groove; 10. Sliding block; 11. Slide bar; 12. Limiting groove; 13. Push plate; 14. Limiting rod; 15. Spring; 16. Limiting hole; 17. Fixed block; 18. Guide post; 19. Guide sleeve; 20. Limiting post; 21. Threaded rod; 22. Limiting adjustment piece; 23. Positioning rod; 24. Pressing block; 25. U-shaped rod. Detailed Implementation

[0029] The following is in conjunction with the appendix Figures 1-4 This application will be described in further detail.

[0030] This application discloses a precision hydraulic shaping fixture.

[0031] Reference Figure 1 , Figure 2 and Figure 3 A precision hydraulic shaping fixture includes a base plate 1 and a tile-shaped workpiece 2. The base plate 1 is provided with a shaping component for adjusting the shape of the tile-shaped workpiece 2. The shaping component includes a hydraulic cylinder 3, a moving plate 4, a trapezoidal push block 5, a support plate 6, and a top plate 7.

[0032] The hydraulic cylinder 3 is installed on the upper surface of the base plate 1. The movable plate 4 is located above the hydraulic cylinder 3 and is fixedly connected to the output end of the hydraulic cylinder 3. The trapezoidal push block 5 is set on the upper surface of the movable plate 4 and is used to place the tile-shaped workpiece 2. A sliding component is provided between the movable plate 4 and the trapezoidal push block 5 to move the trapezoidal push block 5, so that the tile-shaped workpiece 2 can be placed on the trapezoidal push block 5. Two support plates 6 are respectively fixedly connected to both sides of the upper surface of the base plate 1. The top plate 7 is set at the top of the two support plates 6 and is fixedly connected to the support plates 6, and is used to abut against the tile-shaped workpiece 2.

[0033] Reference Figure 1 , Figure 4 and Figure 5 The sliding assembly includes a fixed plate 8 fixedly connected to the upper surface of the movable plate 4. The upper surface of the fixed plate 8 has two parallel sliding grooves 9, one end of which is open. The upper surface of the fixed plate 8 is provided with a sliding block 10. The lower surface of the sliding block 10 is fixedly connected with two sliding strips 11 that are adapted to the sliding grooves 9. The trapezoidal push block 5 is fixedly connected to the upper surface of the sliding block 10. By pulling the sliding block 10, the sliding strips 11 slide in the sliding grooves 9, which drives the trapezoidal push block 5 to slide and move the trapezoidal push block 5 out from under the top plate 7, so that the tile-shaped workpiece 2 can be placed on the trapezoidal push block 5.

[0034] Reference Figure 5A limiting groove 12 is formed at one end of the fixed plate 8 at the opening of the slide groove 9. The limiting groove 12 is located below the slide groove 9. A push plate 13 is provided in the limiting groove 12. Limiting rods 14 are fixedly connected to both ends of the upper surface of the push plate 13. The end of the limiting rod 14 away from the push plate 13 is located in the slide groove 9. A plurality of springs 15 are fixedly connected to the lower surface of the push plate 13 at equal intervals. The bottom end of the spring 15 is fixedly connected to the bottom wall of the limiting groove 12. One end of the lower surface of the slide bar 11 is provided with a fitting that is compatible with the limiting rod 14. The limiting hole 16 is used to press the push plate 13, which causes the spring 15 to extend and retract, moving the limiting rod 14 out of the slide groove 9, allowing the slide bar 11 to slide in the slide groove 9. When the slide bar 11 is fully slid into the slide groove 9, the trapezoidal push block 5 is moved below the top plate 7, so that the limiting hole 16 is aligned with the limiting rod 14. Under the rebound of the spring 15, the limiting rod 14 is inserted into the limiting hole 16, which can fix the slide bar 11 and prevent it from sliding in the slide groove 9 during use, thus moving the trapezoidal push block 5.

[0035] Reference Figure 1 , Figure 2 and Figure 3 Fixed blocks 17 are fixedly connected to both sides of the upper surface of the movable plate 4. A guide post 18 is fixedly connected to the top of the fixed block 17. A guide sleeve 19 is fixedly connected to both sides of the upper surface of the top plate 7. The top of the guide post 18 is slidably set inside the guide sleeve 19. The stability of the movable plate 4 when it is raised and lowered can be improved by the guide post 18 and the guide sleeve 19.

[0036] Reference Figure 1 , Figure 2 and Figure 3 Limiting posts 20 are fixedly connected to both sides of the top of the fixed block 17. The top of the limiting posts 20 is located below the top plate 7. Threaded rods 21 are provided on the upper surface of the top plate 7 above the limiting posts 20. One end of the threaded rod 21 passes through the top plate 7 and is slidably disposed inside the limiting post 20. The threaded rod 21 is threadedly connected to the top plate 7. The top of the limiting post 20 is provided with a limiting adjustment piece 22 for adjusting the distance between the limiting post 20 and the top plate 7. The limiting adjustment piece 22 is sleeved on the threaded rod 21. By rotating the threaded rod 21, the threaded rod 21 is slid out of the limiting post 20. Then, limiting adjustment pieces 22 of different thicknesses are placed on the top of the limiting post 20. After that, the threaded rod 21 is moved through the limiting adjustment piece 22 and into the limiting post 20. By installing the limiting adjustment piece 22, the distance between the limiting post 20 and the top plate 7 can be adjusted, limiting the lifting height of the moving plate 4 and improving the accuracy of shaping the tile-shaped workpiece 2.

[0037] Reference Figure 4 Multiple positioning rods 23 are fixedly connected inside the limiting groove 12. The push plate 13 is sleeved on the positioning rods 23. The positioning rods 23 can improve the stability of the movement of the push plate 13.

[0038] Reference Figure 1 and Figure 4 A pressing block 24 is fixedly connected to one side wall of the push plate 13. The pressing block 24 extends into a limiting groove 12. A U-shaped rod 25 is fixedly connected to one side wall of the sliding block 10. The pressing block 24 facilitates pressing the push plate 13, causing the push plate 13 to press down the spring 15 and move within the limiting groove 12. At the same time, the U-shaped rod 25 facilitates moving the sliding block 10.

[0039] The implementation principle of a precision hydraulic shaping fixture according to an embodiment of this application is as follows: During use, pressing down the pressing block 24 causes the push plate 13 to move downwards, which in turn moves the spring 15, causing the limiting rod 14 to move out of the slide groove 9 and disengage from the limiting hole 16. This allows the slide bar 11 to slide in the slide groove 9, causing the trapezoidal push block 5 to slide. The trapezoidal push block 5 is then moved out from under the top plate 7. Next, the tile-shaped workpiece 2 is placed on the trapezoidal push block 5, so that both ends of the tile-shaped workpiece 2 abut against the inclined surface of the trapezoidal push block 5. Then, the sliding block 10 slides on the fixed plate 8. When the slide bar 11 is completely slid into the slide groove 9, the… After the trapezoidal push block 5 moves below the top plate 7, the limiting hole 16 is aligned with the limiting rod 14. Under the rebound of the spring 15, the limiting rod 14 is inserted into the limiting hole 16, which can fix the slide bar 11 and prevent the slide bar 11 from sliding in the slide groove 9 during use. Then, the hydraulic cylinder 3 is activated, which drives the moving plate 4 to rise, so that the tile-shaped workpiece 2 abuts against the top plate 7. The trapezoidal push block 5 unfolds the tile-shaped workpiece 2 for repair, which avoids the problem that the workpiece shape will shrink due to its own structure, causing the tolerance to exceed the tolerance and resulting in the scrapping of the entire workpiece.

[0040] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A precision hydraulic shaping fixture, comprising a base plate (1) and a tile-shaped workpiece (2), wherein the base plate (1) is provided with a shaping component for adjusting the shape of the tile-shaped workpiece (2), characterized in that: The shaping assembly includes a hydraulic cylinder (3) mounted on the upper surface of the base plate (1). A movable plate (4) is fixedly connected to the output end of the hydraulic cylinder (3). A trapezoidal pushing block (5) for placing the tile-shaped workpiece (2) is provided on the upper surface of the movable plate (4). A sliding assembly is provided between the movable plate (4) and the trapezoidal pushing block (5). Support plates (6) are fixedly connected to both sides of the upper surface of the base plate (1). A top plate (7) for abutting against the tile-shaped workpiece (2) is fixedly connected to the top of the support plate (6).

2. The precision hydraulic shaping fixture according to claim 1, characterized in that: The sliding assembly includes a fixed plate (8) fixedly connected to the upper surface of the movable plate (4). The upper surface of the fixed plate (8) has two parallel sliding grooves (9), one end of which is open. The upper surface of the fixed plate (8) is provided with a sliding block (10). The lower surface of the sliding block (10) is fixedly connected with two sliding strips (11) that are adapted to the sliding grooves (9). The trapezoidal push block (5) is fixedly connected to the upper surface of the sliding block (10).

3. The precision hydraulic shaping fixture according to claim 2, characterized in that: One end of the fixed plate (8) is provided with a limiting groove (12) at the opening of the slide groove (9). The limiting groove (12) is located below the slide groove (9). A push plate (13) is provided in the limiting groove (12). Limiting rods (14) are fixedly connected to both ends of the upper surface of the push plate (13). The end of the limiting rod (14) away from the push plate (13) is located in the slide groove (9). A plurality of springs (15) are fixedly connected to the lower surface of the push plate (13). The bottom end of the springs (15) is fixedly connected to the bottom wall of the limiting groove (12). A limiting hole (16) adapted to the limiting rod (14) is provided at one end of the lower surface of the slide bar (11).

4. A precision hydraulic shaping fixture according to claim 3, characterized in that: The upper surface of the movable plate (4) is fixedly connected to both sides of a fixing block (17), and the top of the fixing block (17) is fixedly connected to a guide post (18). The upper surface of the top plate (7) is fixedly connected to both sides of a guide sleeve (19), and the top of the guide post (18) is slidably disposed in the guide sleeve (19).

5. A precision hydraulic shaping fixture according to claim 4, characterized in that: Limiting posts (20) are fixedly connected to both sides of the top of the fixed block (17), and the top of the limiting posts (20) is located below the top plate (7).

6. A precision hydraulic shaping fixture according to claim 5, characterized in that: The top surface of the top plate (7) is provided with threaded rods (21) above the limiting post (20). One end of the threaded rod (21) passes through the top plate (7) and is slidably disposed inside the limiting post (20). The threaded rod (21) is threadedly connected to the top plate (7). The top end of the limiting post (20) is provided with a limiting adjustment piece (22) for adjusting the distance between the limiting post (20) and the top plate (7). The limiting adjustment piece (22) is sleeved on the threaded rod (21).

7. A precision hydraulic shaping fixture according to claim 6, characterized in that: Multiple positioning rods (23) are fixedly connected inside the limiting groove (12), and the push plate (13) is sleeved on the positioning rods (23).

8. A precision hydraulic shaping fixture according to claim 7, characterized in that: A pressing block (24) is fixedly connected to one side wall of the push plate (13), the pressing block (24) extends out of the limiting groove (12), and a U-shaped rod (25) is fixedly connected to one side wall of the sliding block (10).

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