Hydraulic clamp convenient to adjust

Abstract

The utility model discloses a hydraulic clamp convenient to adjust, which comprises a working table, a base is arranged at the upper end of the working table, a hydraulic cylinder is arranged on the base, a hydraulic rod is arranged at the top of the hydraulic cylinder, a supporting seat is arranged at the top of the hydraulic rod, and a first clamp assembly and a second clamp assembly are respectively arranged on two sides of the base. The first clamp assembly and the second clamp assembly are arranged on the workbench in a sliding mode. According to the hydraulic clamp convenient to adjust, stable clamping of workpieces is achieved through three-step adjustment of the position of the first clamp assembly and two-step adjustment of the position of the second clamp assembly, and meanwhile the hydraulic clamp convenient to adjust can be suitable for workpieces of different sizes; the problems that workpieces of different specifications cannot be used, and the clamping range is limited are solved, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic clamps, in particular to a hydraulic clamp which is easy to adjust. Background Art

[0002] Hydraulic clamps are clamps that use hydraulic components to replace mechanical parts and realize automatic positioning, support and clamping of workpieces through hydraulic control. They have the advantages of large clamping force, reliable clamping, stable operation and convenient use. They are currently widely used in CNC machine tools, machining centers, automated production lines and other scenarios. By assembling the selected hydraulic components and the designed mechanical parts together, the required clamp can be obtained.

[0003] When performing clamping and fixing operations, existing hydraulic clamps cannot be used when facing workpieces of different specifications, resulting in the clamping range of the clamp being limited and reducing its applicability. Utility Model Content

[0004] The purpose of the utility model is to provide a hydraulic clamp that is easy to adjust. Through three-step adjustment of the position of the first clamp component and two-step adjustment of the position of the second clamp component, it can achieve stable clamping of the workpiece and is suitable for workpieces of different sizes. It overcomes the problem that it cannot be used when facing workpieces of different specifications and the clamping range is limited, and has strong practicality.

[0005] To achieve the above-mentioned purpose, the utility model provides an easily adjustable hydraulic clamp, including a workbench, a base is arranged at the upper end of the workbench, a hydraulic cylinder is arranged on the base, a hydraulic rod is arranged on the top of the hydraulic cylinder, a support seat is arranged on the top of the hydraulic rod, a first clamp assembly and a second clamp assembly are respectively arranged on both sides of the base, and the first clamp assembly and the second clamp assembly are both slidably arranged on the workbench.

[0006] Preferably, the workbench is provided with crisscross slideways, and fixing holes penetrating the workbench are provided at the intersections of the slideways, and the cross-section of the slideways is in a convex shape.

[0007] Preferably, the first clamp assembly includes a first sliding base and a first support frame slidably disposed on the first sliding base, a first support arm is slidably disposed on the first support frame, and a first clamping claw is integrally formed at one end of the first support arm close to the support seat.

[0008] Preferably, the cross-section of the first sliding base is concave-shaped, and a first sliding block cooperating with the slide track is fixedly provided at the bottom end of the first sliding base, first adjustment grooves are provided on both side walls of the recessed part on the upper surface of the first sliding base, and first adjustment slide blocks cooperating with the first adjustment grooves are provided on the front and rear side walls of the lower end of the first support frame.

[0009] Preferably, a first adjusting rod is fixedly provided at one end of the first supporting frame, and the first adjusting rod passes through the first sliding base and is fixedly connected with a first fastener.

[0010] Preferably, a second adjusting rod is fixedly provided at one end of the first supporting arm, the second adjusting rod passes through the first supporting frame and is slidably connected to the first supporting frame, and a second fastener is connected to the passing end of the second adjusting rod.

[0011] Preferably, the first support frame is provided with a second adjustment slot cooperating with the second adjustment rod, the two inner walls of the second adjustment slot are provided with a first limiting slot, and the front and rear sides of the first support arm are both provided with a first limiting sliding block slidably connected with the first limiting slot.

[0012] Preferably, the second clamp assembly comprises a second support frame and a second support arm slidably arranged on one side of the second support frame, and a second clamping claw is integrally formed at one end of the second support arm close to the support seat;

[0013] A second slider cooperating with the slide is fixedly provided at the bottom end of the second support frame, and a third slider cooperating with the slide is fixedly provided at the bottom end of the base. The second slider and the third slider have the same structure as the first slider, and mounting holes are provided at the bottoms of the first slider, the second slider and the third slider.

[0014] Preferably, a third adjustment slot is provided on the side wall of the second support frame, a third adjustment rod is fixedly provided at one end of the second support arm away from the support seat, the third adjustment rod passes through and is slidably connected to the third adjustment slot, and a third fastener is fixedly provided at the passing end of the third adjustment rod.

[0015] Preferably, second limiting slots are provided on both inner walls of the third adjusting slot, and second limiting sliding blocks slidably connected to the second limiting slots are provided on both front and rear sides of the second supporting arm.

[0016] Therefore, the utility model adopts the above-mentioned hydraulic clamp which is easy to adjust, and the beneficial effects are as follows:

[0017] (1) The utility model is provided with rubber pads on the first clamping jaw, the second clamping jaw and the supporting seat to prevent damage to the workpiece when clamping the workpiece.

[0018] (2) The utility model realizes stable clamping of the workpiece by three-step adjustment of the position of the first clamp component and two-step adjustment of the position of the second clamp component. The utility model can be applied to workpieces of different sizes, thus overcoming the problem of being unable to use the workpieces of different specifications and the problem of limited clamping range. The utility model is highly practical.

[0019] The technical solution of the utility model is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of an embodiment of a hydraulic clamp that is easy to adjust in the utility model;

[0021] Figure 2 It is a front cross-sectional view of an embodiment of a hydraulic clamp that is easy to adjust according to the utility model;

[0022] Figure 3 It is a side view of a first clamp assembly of an embodiment of a hydraulic clamp that is easy to adjust according to the utility model;

[0023] Figure 4 It is a side view of the second clamp assembly of an embodiment of a hydraulic clamp that is easy to adjust of the utility model;

[0024] Figure 5 The utility model is a bottom view of a workbench of an embodiment of a hydraulic clamp that is easy to adjust.

[0025] Reference numerals

[0026] 1. Workbench; 2. Fixing hole; 3. Base; 4. Hydraulic cylinder; 5. Hydraulic rod; 6. Second limit slider; 7. Support seat; 8. First sliding base; 9. First support frame; 10. First support arm; 11. First clamping jaw; 12. First slider; 13. First adjustment slot; 14. First adjustment slider; 15. First adjustment rod; 16. First fastener; 17. Second adjustment rod; 18. Second fastener; 19. Second adjustment slot; 20. First limit slider; 21. First limit slider; 22. Second support frame; 23. Second support arm; 24. Second clamping jaw; 25. Second slider; 26. Mounting hole; 27. Third adjustment slot; 28. Third adjustment rod; 29. ​​Third fastener; 30. Second limit slider; 31. Third slider. DETAILED DESCRIPTION

[0027] The technical solution of the utility model is further described below through the accompanying drawings and embodiments.

[0028] Unless otherwise defined, the technical terms or scientific terms used in the present invention shall have the usual meanings understood by persons with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. Words such as "include" or "comprise" and the like mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" and the like are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0029] As shown in the figure, a hydraulic clamp that is easy to adjust includes a workbench 1, on which a crisscross slideway is arranged, and the cross section of the slideway is in a convex shape. A base 3 is arranged at the upper end of the workbench 1, on which a hydraulic cylinder 4 is arranged, a hydraulic rod 5 is arranged on the top of the hydraulic cylinder 4, and a support seat 7 is arranged on the top of the hydraulic rod 5. The first clamp assembly and the second clamp assembly are respectively arranged on both sides of the base 3. The first clamp assembly and the second clamp assembly are both slidably arranged on the workbench 1, and the first clamp assembly and the second clamp assembly slide on the slideway to achieve a rough adjustment of the position of the first clamp assembly and the second clamp assembly (the first step of adjustment).

[0030] The first clamp assembly includes a first sliding base 8 and a first support frame 9 slidably disposed on the first sliding base 8, a first support arm 10 is slidably disposed on the first support frame 9, and a first clamping claw 11 is integrally formed at one end of the first support arm 10 close to the support seat 7.

[0031] The cross-section of the first sliding base 8 is concave-shaped, and a first sliding block 12 cooperating with the slide is fixedly provided at the bottom end of the first sliding base 8. First adjustment grooves 13 are provided on both side walls of the recessed part of the upper surface of the first sliding base 8, and first adjustment sliders 14 cooperating with the first adjustment grooves 13 are provided on the front and rear side walls of the lower end of the first support frame 9.

[0032] A first adjusting rod 15 is fixedly provided at one end of the first support frame 9, and the first adjusting rod 15 passes through the first sliding base 8 and is fixedly connected with a first fastener 16. The first adjusting rod 15 is pushed and pulled to drive the first support frame 9 to move horizontally, and the first supporting frame 9 can be fixed by the cooperation of the first adjusting rod 15 and the first fastener 16, thereby realizing the second step adjustment of the position of the first clamp assembly.

[0033] A second adjustment rod 17 is fixedly provided at one end of the first support arm 10, and the second adjustment rod 17 penetrates the first support frame 9 and is slidably connected to the first support frame 9, and a second fastener 18 is connected to the through end of the second adjustment rod 17. A second adjustment slot 19 is provided on the first support frame 9 to cooperate with the second adjustment rod 17. The second adjustment rod 17 is slid up and down to drive the first support arm 10 to move up and down, and the first support arm 10 can be fixed by the cooperation of the second adjustment rod 17 and the second fastener 18, so as to realize the third step adjustment of the first clamp assembly.

[0034] The first limiting slots 20 are arranged on the two inner walls of the second adjustment slot 19, and the first supporting arm 10 is provided with first limiting sliders 21 slidably connected to the first limiting slots 20 on both the front and rear sides. In the third step of adjusting the first clamp assembly, the first limiting slots 20 and the first limiting sliders 21 cooperate to limit the movement of the first supporting arm 10, so as to prevent the first supporting arm 10 from deflecting during the up and down movement.

[0035] The second clamp assembly includes a second support frame 22 and a second support arm 23 slidably arranged on one side of the second support frame 22, and the second support arm 23 is integrally formed with a second clamping jaw 24 at one end close to the support seat 7; rubber pads are arranged on the first clamping jaw 11, the second clamping jaw 24 and the support seat 7 to prevent damage to the workpiece when clamping the workpiece.

[0036] A second slider 25 cooperating with the slide is fixedly provided at the bottom end of the second support frame 22. The second slider 25 has the same structure as the first slider 12 and pushes the second clamp assembly to slide on the slide to achieve a rough adjustment of the position of the second clamp assembly (the first step of adjustment).

[0037] The intersections of the slideways are provided with fixing holes 2 that penetrate the workbench 1, and the bottoms of the first slider 12, the second slider 25, and the third slider 31 are provided with mounting holes 26. In actual use, according to the size of the workpiece, the first sliding base 8 and the second support frame 22 are pushed so that the first clamp assembly and the second clamp assembly are closest to the workpiece, and the mounting holes 26 and the fixing holes 2 are aligned. The first sliding base 8 and the second support frame 22 can be fixed on the workbench 1 through the cooperation of the screw and the hexagon socket nut, so as to achieve the first step of rough adjustment of the positions of the first clamp assembly and the second clamp assembly.

[0038] A third adjusting slot 27 is provided on the side wall of the second support frame 22, a third adjusting rod 28 is fixedly provided at one end of the second support arm 23 away from the support seat 7, the third adjusting rod 28 penetrates and is slidably connected with the third adjusting slot 27, and a third fastener 29 is fixedly provided at the penetrating end of the third adjusting rod 28.

[0039] The third adjusting rod 28 is slid up and down to drive the second supporting arm 23 to move up and down. The second supporting arm 23 can be fixed by the cooperation of the third adjusting rod 28 and the third fastener 29 to realize the second step adjustment of the second clamp assembly.

[0040] The second limiting slots 30 are arranged on the inner walls of the third adjustment slot 27, and the second supporting arm 23 is provided with second limiting sliders 6 slidably connected to the second limiting slots 30 on both the front and rear sides. In the second step adjustment process of the second clamp assembly, the cooperation of the second limiting slots 30 and the second limiting slider 6 can limit the movement of the second supporting arm 23 to prevent the second supporting arm 23 from deflecting during the up and down movement.

[0041] As an embodiment, the first adjusting rod 15 , the second adjusting rod 17 and the third adjusting rod 28 may all be screw rods, and the first fastener 16 , the second fastener 18 and the third fastener 29 may all be nuts.

[0042] The specific steps of this device are as follows:

[0043] First, push the third slider 31 to slide the base 3 to the specified position, align the mounting hole 26 at the bottom of the third slider 31 with the fixing hole 2 on the workbench 1, and fix the base 3 on the workbench 1 by the cooperation of the screw and the hexagonal nut, and then place the workpiece on the support seat 7, and the hydraulic cylinder 4 drives the hydraulic rod 5 to move up and down for height adjustment; according to the size of the workpiece, push the first sliding base 8 and the second support frame 22, so that the first clamp assembly and the second clamp assembly are closest to the workpiece, and ensure that the mounting hole 26 and the fixing hole 2 are aligned, and fix the first sliding base 8 and the second support frame 22 on the workbench 1 by the cooperation of the screw and the hexagonal nut, to achieve the first step of coarse adjustment (horizontal adjustment) of the position of the first clamp assembly and the second clamp assembly.

[0044] Further, according to the size of the workpiece, push and pull the first adjusting rod 15 to drive the first support frame 9 to move horizontally, and fix the first support frame 9 through the cooperation of the first adjusting rod 15 and the first fastener 16, thereby realizing the second step adjustment (horizontal adjustment) of the position of the first clamp assembly; according to the height of the workpiece lifting, slide the second adjusting rod 17 up and down to drive the first support arm 10 to move up and down, so that the end face of the first clamp 11 is aligned with the workpiece, and fix the first support arm 10 through the cooperation of the second adjusting rod 17 and the second fastener 18, thereby realizing the third step adjustment (vertical adjustment) of the first clamp assembly; finally, slide the third adjusting rod 28 up and down to drive the second support arm 23 to move up and down, and fix the second support arm 23 through the cooperation of the third adjusting rod 28 and the third fastener 29, thereby realizing the second step adjustment (vertical adjustment) of the second clamp assembly, and completing the clamping of workpieces of different sizes.

[0045] Therefore, the utility model adopts the above-mentioned easy-to-adjust hydraulic clamp, and realizes the stable clamping of the workpiece by adjusting the position of the first clamp component in three steps in combination with the two-step adjustment of the position of the second clamp component. At the same time, it can be applied to workpieces of different sizes, overcoming the problem of being unable to use and the limited clamping range when facing workpieces of different specifications, and has strong practicality.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that they can still modify or replace the technical solution of the utility model with equivalents, and these modifications or equivalent replacements cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of the utility model.

Claims

1. A hydraulic clamp that is easy to adjust, characterized in that: It includes a workbench, a base is arranged on the upper end of the workbench, a hydraulic cylinder is arranged on the base, a hydraulic rod is arranged on the top of the hydraulic cylinder, a support seat is arranged on the top of the hydraulic rod, a first clamp assembly and a second clamp assembly are respectively arranged on both sides of the base, and the first clamp assembly and the second clamp assembly are both slidably arranged on the workbench.

2. The adjustable hydraulic clamp according to claim 1, characterized in that: The workbench is provided with crisscross slideways, and the intersections of the slideways are provided with fixing holes penetrating the workbench, and the cross-section of the slideways is in a convex shape.

3. The hydraulic clamp that is easy to adjust according to claim 2 is characterized in that: The first clamp assembly includes a first sliding base and a first support frame slidably disposed on the first sliding base, a first support arm is slidably disposed on the first support frame, and a first clamping claw is integrally formed at one end of the first support arm close to the support seat.

4. The adjustable hydraulic clamp according to claim 3, characterized in that: The cross-section of the first sliding base is concave-shaped, and a first sliding block cooperating with the slideway is fixedly arranged at the bottom end of the first sliding base. First adjustment grooves are provided on both side walls of the recessed part of the upper surface of the first sliding base, and first adjustment slide blocks cooperating with the first adjustment grooves are provided on the front and rear side walls of the lower end of the first support frame.

5. The hydraulic clamp that is easy to adjust according to claim 4 is characterized in that: A first adjusting rod is fixedly disposed at one end of the first supporting frame. The first adjusting rod passes through the first sliding base and is fixedly connected with a first fastener.

6. The hydraulic clamp that is easy to adjust according to claim 3 is characterized in that: A second adjusting rod is fixedly provided at one end of the first supporting arm. The second adjusting rod passes through the first supporting frame and is slidably connected to the first supporting frame. A second fastener is connected to the passing end of the second adjusting rod.

7. The hydraulic clamp that is easy to adjust according to claim 6, characterized in that: The first support frame is provided with a second adjustment slot cooperating with the second adjustment rod, the two inner walls of the second adjustment slot are provided with first limiting slots, and the front and rear sides of the first support arm are both provided with first limiting sliding blocks slidably connected with the first limiting slot.

8. The hydraulic clamp that is easy to adjust according to claim 4, characterized in that: The second clamp assembly includes a second support frame and a second support arm slidably arranged on one side of the second support frame, and a second clamping claw is integrally formed at one end of the second support arm close to the support seat; A second slider cooperating with the slide is fixedly provided at the bottom end of the second support frame, and a third slider cooperating with the slide is fixedly provided at the bottom end of the base. The second slider and the third slider have the same structure as the first slider, and mounting holes are provided at the bottoms of the first slider, the second slider and the third slider.

9. The hydraulic clamp that is easy to adjust according to claim 8, characterized in that: A third adjustment slot is provided on the side wall of the second support frame, a third adjustment rod is fixedly provided at one end of the second support arm away from the support seat, the third adjustment rod passes through and is slidably connected to the third adjustment slot, and a third fastener is fixedly provided at the through end of the third adjustment rod.

10. The easily adjustable hydraulic clamp according to claim 9, characterized in that: Second limiting sliding grooves are arranged on the two inner walls of the third adjusting sliding groove, and second limiting sliding blocks slidably connected to the second limiting sliding grooves are arranged on both the front and rear sides of the second supporting arm.

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