An expansion and contraction mold based on a shock absorber liquid storage cylinder

Abstract

The utility model relates to the technical field of expansion and contraction molds for shock absorber liquid storage cylinders, and specifically to an expansion and contraction mold based on the shock absorber liquid storage cylinder, comprising a workbench, an expansion and contraction mold body, a clamping and fixing device and a locking device, wherein a turntable is installed at the top of the workbench through a bearing, a top plate is installed at the rear end of the top wall of the workbench through a supporting column, a cylinder is installed on the top plate, an output end of the cylinder penetrates through the top plate and the expansion and contraction mold body is installed, a driving device drives three groups of threaded rods to rotate, and the three groups of threaded rods drive a slider to move linearly in a groove body during the rotation process, and the slider drives a rectangular block to move toward the direction of the liquid storage cylinder until the clamping block contacts the outer wall of the liquid storage cylinder, thereby completing the clamping and fixing of the liquid storage cylinder, and the moving block drives the clamping block to adjust the height, so as to facilitate the clamping and fixing of liquid storage cylinders of different heights.

Description

Technical Field

[0001] The utility model relates to the technical field of expansion and contraction molds for a shock absorber liquid storage cylinder, in particular to an expansion and contraction mold based on a shock absorber liquid storage cylinder. Background Art

[0002] As we all know, the shock absorber reservoir is an important component in the automobile suspension system, and its manufacturing process requires diameter reduction and expansion processing.

[0003] This type of expansion and contraction mold is generally designed with only a clamping device of a fixed size, which is used to fix a liquid storage cylinder of a specific inner diameter. When liquid storage cylinders of different inner diameters need to be processed, the clamping device needs to be replaced or adjusted. This process may be very cumbersome, resulting in reduced production efficiency. In addition, if the clamping device of the mold is not designed reasonably, it may not provide sufficient clamping force, causing the liquid storage cylinder to shift or loosen during the processing, which will not only affect the processing accuracy, but may also cause equipment damage or processing interruption. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies of the prior art, the utility model provides an expansion and contraction mold based on a shock absorber liquid storage cylinder.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an expansion and contraction mold based on a shock absorber liquid storage cylinder, comprising a workbench, an expansion and contraction mold body, a clamping and fixing device and a locking device, a turntable is installed on the top of the workbench through a bearing, a top plate is installed on the rear end of the top wall of the workbench through a support column, a cylinder is installed on the top plate, and the output end of the cylinder passes through the top plate to install the expansion and contraction mold body, the clamping and fixing device comprises a threaded rod, a slider, a rectangular block, a screw rod, a moving block and a clamping block, and three groups of A trough body, in which the threaded rod is rotatably installed, a driving device is installed at one end of the three groups of threaded rods close to the center of the turntable, the threaded rod on the threaded rod is connected to the slider, the rectangular block is installed on the top of the slider, a rectangular groove is opened on the side wall of the rectangular block close to the driving device, the screw rod is installed in the rectangular groove, the bottom end of the screw rod passes through the top wall of the rectangular block and a first motor is installed, the moving block is installed on the screw rod, and the clamping block is installed on the side of the moving block away from the rectangular groove.

[0008] In order to facilitate locking the turntable, the utility model is improved in that the locking device includes a locking ring, a locking hole and a positioning screw, a locking ring is installed on one side wall of the turntable through a support block, a plurality of locking holes are arranged in a ring shape on the workbench, and the positioning screw is threadedly connected to the locking ring.

[0009] In order to facilitate the simultaneous rotation of three groups of threaded rods, the utility model is improved in that the driving device includes a first steering gear, a second steering gear and a second motor, the inner cavity at the center of the turntable is provided with an accommodating cavity, the second motor is installed in the accommodating cavity, the output end of the second motor is installed with the first steering gear, the end of the threaded rod passes through the side wall of the accommodating cavity and is installed with the second steering gear, and the first steering gear is meshingly connected with the second steering gear.

[0010] In order to ensure the stability and accuracy of the operation of the first motor and the second motor, the utility model is improved in that the first motor and the second motor are both servo motors.

[0011] Preferably, the utility model is improved in that the clamping block is of arc-shaped design.

[0012] In order to prevent the clamping block from damaging the outer wall of the liquid storage cylinder, the utility model is improved in that a rubber pad is installed on the inner side wall of the clamping block.

[0013] In order to ensure the stable support of the workbench, the utility model is improved in that support legs are installed at the four corners of the bottom wall of the workbench.

[0014] In order to improve the anti-skid property of the supporting legs, the utility model is improved in that an anti-skid pad is installed on the bottom wall of the supporting legs.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides an expansion and contraction mold based on a shock absorber liquid storage cylinder, which has the following beneficial effects:

[0017] The expansion and contraction mold based on the shock absorber liquid storage cylinder can rotate the liquid storage cylinder in three directions through the provided clamping and fixing device and the provided three groups of clamping blocks, and the clamping blocks can be adjusted according to the heights of different liquid storage cylinders, so that the arc-shaped clamping blocks can stably clamp the liquid storage cylinder. The clamping and fixing in three directions can evenly distribute the pressure on the outer wall of the liquid storage cylinder, avoiding deformation or damage caused by excessive single-point or local pressure. The evenly distributed pressure also helps to maintain the shape and structural integrity of the liquid storage cylinder, thereby greatly improving its stability.

[0018] The expansion and contraction mold based on the shock absorber liquid storage cylinder has a locking device, so that the staff can manually rotate the turntable, which is convenient for adjusting the rotation adjustment of the liquid storage cylinder clamped and fixed by the clamping and fixing device, and is convenient for processing at different positions. Then, the locking ring is aligned with the locking hole at the corresponding position, and the positioning screw is passed through the locking ring and the locking hole to lock it, which is convenient for limiting the turntable, preventing the turntable from accidentally rotating during processing, and ensuring the stability of the liquid storage cylinder during processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from a first angle;

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from a second angle;

[0021] Figure 3 This is a schematic diagram of the internal three-dimensional structure of the turntable of the utility model;

[0022] Figure 4 It is a three-dimensional structural schematic diagram of the clamping device and the driving device of the utility model.

[0023] In the figure: 1. workbench; 2. expansion and contraction mold body; 3. turntable; 4. support column; 5. top plate; 6. cylinder; 7. threaded rod; 8. slider; 9. rectangular block; 10. screw rod; 11. moving block; 12. clamping block; 13. trough body; 14. rectangular slot; 15. first motor; 16. locking ring; 17. locking hole; 18. positioning screw; 19. first steering gear; 20. second steering gear; 21. second motor; 22. accommodating cavity; 23. support leg. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-4A shrinkage mold based on a shock absorber liquid storage cylinder includes a workbench 1, a shrinkage mold body 2, a clamping device and a locking device. A turntable 3 is installed on the top of the workbench 1 through a bearing. A top plate 5 is installed on the rear end of the top wall of the workbench 1 through a support column 4. A cylinder 6 is installed on the top plate 5. The output end of the cylinder 6 passes through the top plate 5 and is installed with the shrinkage mold body 2. The clamping device includes a threaded rod 7, a slider 8, a rectangular block 9, a screw rod 10, a moving block 11 and a clamping block 12. Three groups of grooves are arranged in an annular shape on the turntable 3. The groove body 13 is provided with the threaded rod 7 rotatably mounted in the groove body 13, and a driving device is mounted on one end of the three groups of threaded rods 7 near the center of the turntable 3, and the threaded rod 7 is connected to the slider 8, and the top of the slider 8 is provided with the rectangular block 9, and a rectangular groove 14 is provided on the side wall of the rectangular block 9 near the driving device, and the screw rod 10 is mounted in the rectangular groove 14, and the bottom end of the screw rod 10 passes through the top wall of the rectangular block 9 and is provided with a first motor 15, and the moving block 1 is mounted on the screw rod 10. 1, the clamping block 12 is installed on one side of the moving block 11 away from the rectangular groove 14. In this embodiment, before the liquid storage cylinder needs to be processed, the liquid storage cylinder is first placed on the turntable 3, and then the driving device is started. The driving device drives the three sets of threaded rods 7 to rotate. The three sets of threaded rods 7 drive the slider 8 to move linearly in the groove body 13 during the rotation process. The slider 8 drives the rectangular block 9 to move toward the direction of the liquid storage cylinder until the clamping block 12 contacts the outer wall of the liquid storage cylinder. The clamping and fixing of the liquid storage cylinder can be completed. When the liquid storage cylinders of different heights need to be processed, When clamping, before clamping and fixing the liquid storage cylinder, first start the second motor 21, the second motor 21 drives the screw rod 10, the screw rod 10 drives the moving block 11, so that the moving block 11 moves linearly in the rectangular groove 14, and then the moving block 11 drives the clamping block 12 to adjust the height, so as to clamp and fix the liquid storage cylinders of different heights, and then start the cylinder 6 to descend, so that the output end of the cylinder 6 drives the expansion and contraction mold body 2 to descend, and the liquid storage cylinder is processed. Finally, as the cylinder 6 rises, the expansion and contraction mold body 2 is separated from the liquid storage cylinder, and the processing of the liquid storage cylinder is completed.

[0026] In actual use, it is further convenient to lock the turntable 3. In this embodiment, the locking device includes a locking ring 16, a locking hole 17 and a positioning screw 18. A locking ring 16 is installed on one side wall of the turntable 3 through a support block. A plurality of locking holes 17 are arranged in a ring shape on the workbench 1. The positioning screw 18 is threadedly connected to the locking ring 16. The staff can manually rotate the turntable 3 to facilitate the rotation adjustment of the liquid storage cylinder clamped and fixed by the clamping and fixing device, and then align the locking ring 16 with the locking hole 17 at the corresponding position, and lock the positioning screw 18 through the locking ring 16 and the locking hole 17, so as to limit the turntable 3 and prevent the turntable 3 from rotating accidentally during the processing.

[0027] In actual use, it is further convenient to drive the three groups of threaded rods 7 to rotate simultaneously. In this embodiment, the driving device includes a first steering gear 19, a second steering gear 20 and a second motor 21. The inner cavity at the center of the turntable 3 is provided with a accommodating cavity 22, and the second motor 21 is installed in the accommodating cavity 22. The output end of the second motor 21 is installed with the first steering gear 19, and the end of the threaded rod 7 passes through the side wall of the accommodating cavity 22 and is installed with the second steering gear 20. The first steering gear 19 is meshed and connected with the second steering gear 20. When it is necessary to start the driving device, the second motor 21 is started, and the output end of the second motor 21 drives the first steering gear 19 to rotate, the first steering gear 19 drives the second steering gear 20 meshed with it, and the second steering gear 20 drives the three groups of threaded rods 7 to rotate simultaneously, so that the driving device can drive the three groups of threaded rods 7 to rotate simultaneously.

[0028] In actual use, the stability and accuracy of the operation of the first motor 15 and the second motor 21 are further guaranteed. In this embodiment, the first motor 15 and the second motor 21 are both servo motors. The servo motor can control the position, speed and torque with high precision. The servo motor adopts closed-loop control and has good stability. It can avoid problems such as stalling and vibration, thereby ensuring the stability and accuracy of the operation of the first motor 15 and the second motor 21.

[0029] Preferably, in this embodiment, the clamping block 12 is designed to be arc-shaped, and the clamping block 12 with an arc-shaped design can be adapted to the outer wall of the liquid storage cylinder.

[0030] In actual use, in order to further prevent the clamping block 12 from damaging the outer wall of the liquid storage cylinder, in this embodiment, a rubber pad is installed on the inner wall of the clamping block 12. The rubber pad can act as a buffer between the clamping block 12 and the liquid storage cylinder to prevent the liquid storage cylinder from deformation and damage, thereby ensuring the processing quality.

[0031] In actual use, in order to further ensure the support stability of the workbench 1, in this embodiment, support legs 23 are installed at the four corners of the bottom wall of the workbench 1. The support legs 23 make the workbench 1 more stable and less likely to shake or tilt, thereby improving work efficiency and safety.

[0032] In actual use, the anti-slip property of the support leg 23 is further improved. In this embodiment, an anti-slip pad is installed on the bottom wall of the support leg 23. The anti-slip pad can ensure the stability of the support leg 23 and avoid the risk of tilting and collapsing due to uneven ground. The anti-slip property of the support leg 23 is improved, thereby improving the safety factor of the operation.

[0033] In order to explain in detail the possible application scenarios, technical principles, specific schemes that can be implemented, and the purposes and effects that can be achieved, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An expansion and contraction mold based on a shock absorber liquid storage cylinder, comprising a workbench (1), an expansion and contraction mold body (2), a clamping and fixing device and a locking device, characterized in that: A turntable (3) is installed at the top of the workbench (1) via a bearing, a top plate (5) is installed at the rear end of the top wall of the workbench (1) via a support column (4), a cylinder (6) is installed on the top plate (5), the output end of the cylinder (6) passes through the top plate (5) and is installed with the expansion and contraction mold body (2), the clamping and fixing device comprises a threaded rod (7), a slider (8), a rectangular block (9), a screw rod (10), a moving block (11) and a clamping block (12), three groups of grooves (13) are arranged in an annular shape on the turntable (3), the threaded rods (7) are rotatably installed in the grooves (13), and the three groups of threaded rods (7) are close to the A driving device is installed at one end of the center of the turntable (3); the threaded rod (7) is connected to the slider (8); the top of the slider (8) is installed with the rectangular block (9); a rectangular groove (14) is provided on the side wall of the rectangular block (9) close to the driving device; the screw rod (10) is installed in the rectangular groove (14); the bottom end of the screw rod (10) passes through the top wall of the rectangular block (9) and is installed with a first motor (15); the moving block (11) is installed on the screw rod (10); and the clamping block (12) is installed on the side of the moving block (11) away from the rectangular groove (14).

2. The expansion and contraction mold based on the shock absorber liquid storage cylinder according to claim 1, characterized in that: The locking device comprises a locking ring (16), a locking hole (17) and a positioning screw (18); a locking ring (16) is installed on one side wall of the turntable (3) through a support block; a plurality of locking holes (17) are arranged in a ring shape on the workbench (1); and the positioning screw (18) is threadedly connected to the locking ring (16).

3. The expansion and contraction mold based on the shock absorber liquid storage cylinder according to claim 2, characterized in that: The driving device comprises a first steering gear (19), a second steering gear (20) and a second motor (21); an accommodating cavity (22) is provided in the inner cavity at the center of the turntable (3); the second motor (21) is installed in the accommodating cavity (22); the first steering gear (19) is installed at the output end of the second motor (21); the end of the threaded rod (7) passes through the side wall of the accommodating cavity (22) and is installed with the second steering gear (20); the first steering gear (19) is meshedly connected with the second steering gear (20).

4. The expansion and contraction mold based on the shock absorber liquid storage cylinder according to claim 3, characterized in that: The first motor (15) and the second motor (21) are both servo motors.

5. The expansion and contraction mold based on the shock absorber liquid storage cylinder according to claim 4, characterized in that: The clamping block (12) is designed to be arc-shaped.

6. The expansion and contraction mold based on the shock absorber liquid storage cylinder according to claim 5, characterized in that: The inner side wall of the clamping block (12) is provided with a rubber pad.

7. The expansion and contraction mold based on the shock absorber liquid storage cylinder according to claim 6, characterized in that: Support legs (23) are installed at the four corners of the bottom wall of the workbench (1).

8. The expansion and contraction mold based on the shock absorber liquid storage cylinder according to claim 7, characterized in that: The bottom wall of the supporting leg (23) is provided with an anti-slip pad.

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