Hydraulic clamp for hydraulic element production

Abstract

The utility model relates to the technical field of hydraulic clamps, and discloses a hydraulic clamp for hydraulic element production, which comprises a case, the outer wall of the case is fixedly connected with a fixing plate, the upper surface of the fixing plate is fixedly connected with a hydraulic motor, and the output end of the hydraulic motor is fixedly connected with a fixing shaft. A gear is fixedly connected to the outer wall of the fixing shaft, a toothed bar is slidably connected to the interior of the case, the outer wall of the gear is meshed with the outer wall of the toothed bar, a T-shaped block is fixedly connected to the outer wall of the toothed bar, a connecting rod is rotatably connected to the outer wall of the T-shaped block, and a supporting rod is rotatably connected to the outer wall of the connecting rod; the upper end of the connecting rod is rotationally connected with a transverse rod, and the outer wall of the transverse rod is slidably connected with a fixing block. According to the clamping device, the toothed bar pushes the connecting rod to rotate, and then the connecting rod pushes the cross rod to slide, so that the effect of driving the clamping block to clamp a workpiece is achieved, and the stability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic clamps, in particular to a hydraulic clamp for producing hydraulic components. Background Art

[0002] In the production process of hydraulic components, the fixture plays a vital role. It not only affects the production efficiency, but also determines the precision and quality of the product. Therefore, it is of great practical significance to study a hydraulic fixture for the production of hydraulic components with simple structure, easy operation and high stability.

[0003] After searching, the publication number CN216503668U discloses a hydraulic clamp for hydraulic component production, including: a base, the base at least having an upper end surface for placing a workpiece to be clamped, and the upper end surface is provided with a plurality of positioning columns to support the workpiece to be clamped; a clamping device, a plurality of clamping devices are arranged on the edge of the base, and are evenly distributed about the circumference of the base to clamp the workpiece to be clamped along the radial direction of the base. When clamping the columnar workpiece to be clamped, the workpiece to be clamped is placed on the positioning column, and then the workpiece to be clamped is clamped in the circumference of the workpiece to be clamped by a plurality of clamping devices. The positioning column supports the workpiece to be clamped from the bottom, and the positioning column supports the workpiece to be clamped, while making the bottom of the hydraulic component suspended, so that it is convenient to clean the clamp with an air gun. Although the application achieves the effect of clamping the workpiece by a plurality of circumferentially evenly distributed clamping devices, it does not take into account that the clamping device directly uses a hydraulic cylinder to push the clamping block to clamp the workpiece, so there is a problem that the clamping force of the hydraulic cylinder is large, it is easy to damage the workpiece and it is not easy to control. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a hydraulic clamp for the production of hydraulic components, aiming to improve the existing technology. The clamping device directly uses a hydraulic cylinder to push the clamping block to clamp the workpiece, so there is a problem that the clamping force of the hydraulic cylinder is large, the workpiece is easily damaged and it is not easy to control.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic clamp for producing hydraulic components, comprising a chassis, an outer wall of the chassis is fixedly connected to a fixing plate, an upper surface of the fixing plate is fixedly connected to a hydraulic motor, an output end of the hydraulic motor is fixedly connected to a fixing shaft, an outer wall of the fixing shaft is fixedly connected to a gear, a gear rod is slidably connected to the interior of the chassis, an outer wall of the gear is meshed with an outer wall of the gear rod, an outer wall of the gear rod is fixedly connected to a T-block, an outer wall of the T-block is rotatably connected to a connecting rod, an outer wall of the connecting rod is rotatably connected to a supporting rod, an upper end of the connecting rod is rotatably connected to a cross bar, an outer wall of the cross bar is slidably connected to a fixing block, a lower surface of the fixing block is fixedly connected to the upper surface of the chassis, one end of the cross bar is fixedly connected to a clamping block, and a guide assembly is provided inside the chassis.

[0006] Furthermore, the guide assembly includes a guide rod 1, and both ends of the guide rod 1 are fixedly connected to the inside of the chassis.

[0007] Furthermore, a connecting block is slidably connected to the outer wall of the guide rod 1, and the interior of the connecting block is fixedly connected to the outer wall of the gear rod.

[0008] Furthermore, a spring 1 is sleeved on the outer wall of the cross bar, and one end of the spring 1 is fixedly connected to the outer wall of the fixing block.

[0009] Furthermore, the outer wall of the cross bar is fixedly connected to a limiting ring, and the outer wall of the limiting ring is fixedly connected to the other end of the spring one.

[0010] Furthermore, a handle is rotatably connected to the outer wall of the chassis, and a screw rod is fixedly connected to the outer wall of the handle.

[0011] Furthermore, the outer wall of the screw rod is threadedly connected with a sliding sleeve, and the interior of the sliding sleeve is slidably connected with a guide rod 2.

[0012] Furthermore, a telescopic rod is fixedly connected to the upper surface of the sliding sleeve, a spring 2 is sleeved on the outer wall of the telescopic rod, a positioning strip is fixedly connected to the upper end of the spring 2, a partition plate is attached to the lower surface of the positioning strip, and an outer wall of the partition plate is fixedly connected to the inside of the chassis.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, the gear is driven to rotate by the hydraulic motor, thereby achieving the effect of driving the gear rod to move, so that the gear rod pushes the connecting rod to rotate, and the connecting rod rotates around the support rod, thereby achieving the effect of changing the position of the support rod to adjust the thrust of the upper end of the connecting rod, and then the cross bar is pushed to slide by the connecting rod, thereby achieving the effect of driving the clamping block to clamp the workpiece, thereby improving the stability of the device.

[0015] 2. In the utility model, the cooperation between the guide rod and the connecting block can achieve the effect of guiding and limiting the toothed rod, thereby preventing the toothed rod from detaching from the gear. The cross bar is buffered by a pair of springs to prevent the clamping block from damaging the workpiece. The cooperation between the handle and the screw can drive the positioning bar to move and position the workpiece, thereby improving the clamping accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural diagram of a hydraulic clamp for producing hydraulic components proposed by the utility model;

[0017] Figure 2 This is a cross-sectional view of a chassis of a hydraulic fixture for producing hydraulic components proposed by the utility model;

[0018] Figure 3 The utility model discloses a structural diagram of a positioning bar of a hydraulic clamp for producing hydraulic components.

[0019] Legend:

[0020] 1. Chassis; 2. Fixed plate; 3. Hydraulic motor; 4. Fixed shaft; 5. Gear; 6. Guide rod 1; 7. Connecting block; 8. Tooth rod; 9. T-block; 10. Connecting rod; 11. Support rod; 12. Cross bar; 13. Clamping block; 14. Fixed block; 15. Limiting ring; 16. Spring 1; 17. Handle; 18. Screw rod; 19. Sliding sleeve; 20. Guide rod 2; 21. Telescopic rod; 22. Spring 2; 23. Positioning strip; 24. Partition plate. DETAILED DESCRIPTION

[0021] 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.

[0022] Reference Figure 1-3The utility model provides an embodiment: a hydraulic clamp for producing hydraulic components, comprising a chassis 1, a fixing plate 2 is fixedly connected to the outer wall of the chassis 1, a hydraulic motor 3 is fixedly connected to the upper surface of the fixing plate 2, a fixing shaft 4 is fixedly connected to the output end of the hydraulic motor 3, a gear 5 is fixedly connected to the outer wall of the fixing shaft 4, a gear rod 8 is slidably connected to the inside of the chassis 1, the outer wall of the gear 5 is meshed with the outer wall of the gear rod 8, a T-block 9 is fixedly connected to the outer wall of the gear rod 8, a connecting rod 10 is rotatably connected to the outer wall of the T-block 9, a supporting rod 11 is rotatably connected to the outer wall of the connecting rod 10, a cross bar 12 is rotatably connected to the upper end of the connecting rod 10, a fixing block 14 is slidably connected to the outer wall of the cross bar 12, a lower surface of the fixing block 14 is fixedly connected to the upper surface of the chassis 1, a clamping block 13 is fixedly connected to one end of the cross bar 12, and a guide assembly is arranged inside the chassis 1.

[0023] Specifically, the hydraulic motor 3 plays a vital role. It drives the fixed shaft 4 to rotate, and then drives the gear 5 to rotate through the fixed shaft 4. In this process, the unique design of the gear 5 enables it to simultaneously drive the two gear rods 8 meshing with it to move in opposite directions. This design greatly improves the transmission efficiency and enables the entire system to operate more stably. The movement of the gear rod 8 is not free sliding, but is guided and pushed by the T-block 9. The design of the T-block 9 takes into account the principle of mechanics and can effectively convert the force of the gear rod 8 into the linear movement of the connecting rod 10. In this process, the connecting rod 10 is pushed by the T-block 9, and its lower end moves around the support rod 11. Rotation, the function of the support rod 11 is to provide stable support so that the connecting rod 10 can remain stable during the rotation process. At the same time, the upper end of the connecting rod 10 pushes the cross bar 12 to slide in the fixed block 14. This design enables the connecting rod 10 to effectively transmit the rotational force of the gear rod 8 to the cross bar 12, thereby clamping the workpiece. The function of the fixed block 14 is to provide a stable clamping environment to ensure that the workpiece will not move during the clamping process. The two clamping blocks 13 are respectively located at both ends of the cross bar 12, and the workpiece is clamped through coordinated movement. This design enables the workpiece to be stably maintained in a predetermined position during the processing, thereby improving the processing accuracy and efficiency.

[0024] Reference Figure 2 The guide assembly includes a guide rod 6, both ends of which are fixedly connected to the inside of the chassis 1; the outer wall of the guide rod 6 is slidably connected to a connecting block 7, and the inside of the connecting block 7 is fixedly connected to the outer wall of the gear rod 8; the outer wall of the cross bar 12 is sleeved with a spring 16, and one end of the spring 16 is fixedly connected to the outer wall of the fixed block 14; the outer wall of the cross bar 12 is fixedly connected to a limiting ring 15, and the outer wall of the limiting ring 15 is fixedly connected to the other end of the spring 16.

[0025] Specifically, the cross bar 12 is connected to the spring 16 through a limiting ring 15 to form a buffer mechanism. This buffer mechanism can effectively prevent the clamping force from being too large, thereby avoiding unnecessary damage to the workpiece. During the sliding of the gear rod 8, the gear rod 8 will drive the connecting block 7 to slide on the guide rod 6. This design not only limits the gear rod 8, but also guides it to prevent the gear rod 8 from being out of engagement with the gear 5.

[0026] Reference Figure 3 The outer wall of the chassis 1 is rotatably connected to a handle 17, and the outer wall of the handle 17 is fixedly connected to a screw rod 18; the outer wall of the screw rod 18 is threadedly connected to a sleeve 19, and the interior of the sleeve 19 is slidably connected to a guide rod 20; the upper surface of the sleeve 19 is fixedly connected to a telescopic rod 21, and the outer wall of the telescopic rod 21 is sleeved with a spring 22, and the upper end of the spring 22 is fixedly connected to a positioning strip 23, and the lower surface of the positioning strip 23 is fitted with a partition plate 24, and the outer wall of the partition plate 24 is fixedly connected to the inside of the chassis 1.

[0027] Specifically, the rotation of the handle 17 causes the screw rod 18 to rotate accordingly, and this action is transmitted to the sleeve 19, so that the sleeves 19 at both ends slide toward each other along the direction of the screw rod 18. This is a basic action, but its influence goes far beyond this. Next, the movement of the sleeve 19 is transmitted to the two positioning bars 23 through the telescopic rod 21, so that they also slide toward each other along the same direction. The key to this step is that the linkage between the sleeve 19 and the telescopic rod 21 ensures that the movement of the two positioning bars 23 is synchronous with extremely high precision. At this time, the role of the guide rod 20 is reflected. It accurately guides the sleeve 19 to ensure the stability and accuracy of the entire process. In this way, when the spacing between the two positioning bars 23 is consistent with the size of the workpiece, the next step of operation can be carried out smoothly. Finally, the workpiece is placed on the two positioning bars 23, and the deadweight of the workpiece will cause the positioning bars 23 to slide down naturally. This design makes the positioning bars 23 tightly engage with the slots formed by the partition plate 24 and the chassis 1, ensuring that the position of the workpiece is accurate. In this way, the goal of positioning the workpiece is achieved.

[0028] Working principle: When a hydraulic clamp for the production of hydraulic components is needed, the handle 17 is first rotated so that the handle 17 drives the screw 18 to rotate, so that the sleeves 19 at both ends slide toward each other along the screw 18, and then the sleeves 19 drive the two positioning bars 23 to slide toward each other through the telescopic rod 21 at the same time, and the guide rod 20 guides the sleeve 19. When the spacing between the two positioning bars 23 is consistent with the size of the workpiece, the workpiece is placed on the two positioning bars 23. The dead weight of the workpiece drives the positioning bar 23 to slide down, so that the positioning bar 23 is engaged with the slot formed by the partition plate 24 and the chassis 1, thereby achieving the effect of positioning the workpiece, and also supporting the lower end of the workpiece. At this time, the hydraulic motor 3 is started, and the hydraulic motor 3 drives The fixed shaft 4 rotates, and then drives the gear 5 to rotate through the fixed shaft 4, so that the gear 5 simultaneously drives the two gear rods 8 meshing with it to move in opposite directions, and the gear rod 8 pushes the lower end of the connecting rod 10 through the T-block 9, so that the connecting rod 10 rotates around the support rod 11. At this time, the upper end of the connecting rod 10 pushes the cross bar 12 to slide in the fixed block 14, thereby achieving the effect of driving the two clamping blocks 13 to clamp the workpiece. At the same time, the cross bar 12 is buffered by the limit ring 15 compression spring 16 to prevent the clamping force from being too large and damaging the workpiece, and when the gear rod 8 moves, it will drive the connecting block 7 to slide on the guide rod 6, thereby limiting and guiding the gear rod 8 to prevent the gear rod 8 from disengaging from the gear 5, thereby achieving the effect of improving the stability of the device.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hydraulic fixture for producing hydraulic components, comprising a chassis (1), characterized in that: The outer wall of the chassis (1) is fixedly connected to a fixing plate (2), the upper surface of the fixing plate (2) is fixedly connected to a hydraulic motor (3), the output end of the hydraulic motor (3) is fixedly connected to a fixing shaft (4), the outer wall of the fixing shaft (4) is fixedly connected to a gear (5), the interior of the chassis (1) is slidably connected to a gear rod (8), the outer wall of the gear (5) is meshed with the outer wall of the gear rod (8), the outer wall of the gear rod (8) is fixedly connected to a T-shaped block (9), and the The outer wall of the T-shaped block (9) is rotatably connected to a connecting rod (10), the outer wall of the connecting rod (10) is rotatably connected to a supporting rod (11), the upper end of the connecting rod (10) is rotatably connected to a cross bar (12), the outer wall of the cross bar (12) is slidably connected to a fixing block (14), the lower surface of the fixing block (14) is fixedly connected to the upper surface of the chassis (1), one end of the cross bar (12) is fixedly connected to a clamping block (13), and a guide assembly is provided inside the chassis (1).

2. A hydraulic fixture for producing hydraulic components according to claim 1, characterized in that: The guide assembly comprises a guide rod 1 (6), both ends of which are fixedly connected to the inside of the chassis (1).

3. A hydraulic fixture for producing hydraulic components according to claim 2, characterized in that: The outer wall of the guide rod 1 (6) is slidably connected with a connecting block (7), and the interior of the connecting block (7) is fixedly connected to the outer wall of the gear rod (8).

4. The hydraulic clamp for producing hydraulic components according to claim 1, characterized in that: The outer wall of the cross bar (12) is sleeved with a spring 1 (16), and one end of the spring 1 (16) is fixedly connected to the outer wall of the fixed block (14).

5. A hydraulic fixture for producing hydraulic components according to claim 4, characterized in that: The outer wall of the cross bar (12) is fixedly connected to a limiting ring (15), and the outer wall of the limiting ring (15) is fixedly connected to the other end of the spring one (16).

6. The hydraulic fixture for producing hydraulic components according to claim 1, characterized in that: The outer wall of the chassis (1) is rotatably connected to a handle (17), and the outer wall of the handle (17) is fixedly connected to a screw rod (18).

7. A hydraulic fixture for producing hydraulic components according to claim 6, characterized in that: The outer wall of the screw rod (18) is threadedly connected with a sliding sleeve (19), and the interior of the sliding sleeve (19) is slidably connected with a second guide rod (20).

8. The hydraulic fixture for producing hydraulic components according to claim 7, characterized in that: The upper surface of the sliding sleeve (19) is fixedly connected to a telescopic rod (21), the outer wall of the telescopic rod (21) is sleeved with a second spring (22), the upper end of the second spring (22) is fixedly connected to a positioning strip (23), the lower surface of the positioning strip (23) is fitted with a partition plate (24), and the outer wall of the partition plate (24) is fixedly connected to the inside of the chassis (1).

Images