Multi-angle clamping hydraulic clamp

Abstract

The utility model relates to hydraulic clamp field especially relates to a kind of hydraulic clamps of multi-angle clamping. Including workbench, workpiece and hydraulic clamping assembly, the section of workbench is rectangular, workpiece is set on the upper surface of workbench by means of hydraulic clamping assembly, hydraulic clamping assembly is located the upper surface of workbench, hydraulic clamping assembly includes arch plate, several bearing blocks and several hydraulic cylinders, the lower surface of bearing block is fixedly connected with the upper surface of workbench, workpiece is placed on the upper surface of bearing block, hydraulic cylinder is fixedly connected with the upper surface of workbench, the output end of hydraulic cylinder is fixedly connected with driving shaft, the arc surface of driving shaft is rotatably connected with several pressure paws. The utility model provides a kind of hydraulic clamps of multi-angle clamping, and workpiece can be clamped and held on side and vertically, can be clamped and positioned operation to workpiece multidirectionally, improve the stability of workpiece positioning advantage.

Description

Technical Field

[0001] This utility model relates to the field of hydraulic clamps, and in particular to a hydraulic clamp that can clamp at multiple angles. Background Technology

[0002] Hydraulic clamps are tooling devices that are hydraulically driven and have a flexible adjustable clamping angle. They are mainly used for clamping and positioning complex workpieces.

[0003] Utility model patent CN217223961 U discloses a workpiece fixture, the key technical points of which are: it includes a base, a fixing member, and a moving member. One end of the base is provided with a positioning component, the positioning component has a supporting member, and the base is provided with a slide rail. The fixing member is disposed on the base and has a first fixing groove. The moving member has a sliding groove that engages with the slide rail, the moving member moves along the slide rail in a first direction, and the moving member has a second fixing groove. The supporting member is used to fix one end of the workpiece, and the first fixing groove and the second fixing groove are used to fix the side of the other end of the workpiece. This workpiece fixture, by setting an adjustable moving member, achieves precise positioning of cylindrical workpieces of different lengths, which is beneficial to improving the processing accuracy of wire cutting processes.

[0004] Regarding the above-mentioned issues, the following technical defects have been found: When using existing workpiece fixtures, they can only clamp and position the workpiece from the side, and cannot clamp the workpiece from multiple angles, which reduces the stability of the workpiece after positioning. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a multi-angle clamping hydraulic clamp.

[0006] To solve the above technical problems, this utility model provides a multi-angle clamping hydraulic fixture, including: a worktable, a workpiece, and a hydraulic clamping assembly. The worktable has a rectangular cross-section. The workpiece is mounted on the upper surface of the worktable by means of the hydraulic clamping assembly. The hydraulic clamping assembly is located on the upper surface of the worktable. The hydraulic clamping assembly includes an arched plate, several bearing blocks, and several hydraulic cylinders. The lower surface of the bearing blocks is fixedly connected to the upper surface of the worktable. The workpiece is placed on the upper surface of the bearing blocks. The hydraulic cylinders are fixedly connected to the upper surface of the worktable. The output end of the hydraulic cylinder is fixedly connected to a drive shaft. Several pressure claws are rotatably connected to the arc surface of the drive shaft. The lower surface of the arched plate is fixedly connected to the upper surface of the worktable. A clamping block is attached to the inner wall of the arched plate. A rectangular hole is opened on one side of the clamping block. A side plate is fixedly connected to one side of the arched plate. A bolt is threaded through the side of the side plate. A round block is fixedly connected to one end of the bolt. The round block is movably connected to the inner wall of the rectangular hole.

[0007] The effect achieved by the above components is that by setting up hydraulic clamping components, the workpiece to be processed can be clamped from the side and vertically, enabling multi-directional clamping and positioning of the workpiece, thus improving the stability of the workpiece after positioning.

[0008] Preferably, a support platform is fixedly connected to the upper surface of the workbench, a sliding hole is provided on the side of the support platform, a slider is slidably connected to the inner wall of the sliding hole, an auxiliary plate is fixedly connected to one side of the support platform, a sliding rod is slidably passed through the side of the auxiliary plate, one end of the sliding rod is fixedly connected to the slider, a spring is sleeved on the arc surface of the sliding rod, and the two ends of the spring are fixedly connected to the auxiliary plate and the slider respectively.

[0009] The effect achieved by the above components is as follows: when the workpiece is placed on the support block, the spring will drive the slide rod, the slide rod will drive the slider, and the slider will move along the inner wall of the sliding hole towards the workpiece until the slider and the workpiece come into contact. At this time, the workpiece can be temporarily limited, which facilitates the next step of clamping and limiting the workpiece. When it is necessary to release the temporary limitation of the workpiece, pull the slide rod to drive the slider to move in the opposite direction and separate from the workpiece.

[0010] Preferably, a sealing plate is fixedly connected to the upper surface of the arched plate, and the lower surface of the sealing plate is in contact with the upper surface of the clamping block.

[0011] The effect achieved by the above components is that when the clamping block moves, its upper surface will always be in contact with the lower surface of the sealing plate, thereby improving the stability of the clamping block movement process.

[0012] Preferably, the side of the clamping block away from the rectangular hole is designed in a dovetail shape.

[0013] Preferably, a discharge assembly is provided at the center of the surface of the workbench. The discharge assembly includes a lead screw and a chain. The lead screw slides through the upper surface of the workbench. A top plate is rotatably connected to the upper end of the lead screw. The cross-section of the top plate is "+". A driven gear is threadedly connected to the arc surface of the lead screw. The driven gear is rotatably connected to the lower surface of the workbench. A driving gear is rotatably connected to the lower surface of the workbench. The inner wall of the chain meshes with the driving gear and the driven gear. A welding plate is fixedly connected to the lower surface of the workbench. A servo motor is fixedly connected to one side of the welding plate. The output end of the servo motor is fixedly connected to the lower surface of the driving gear.

[0014] The effect achieved by the above components is as follows: by setting up the discharge assembly, after the workpiece is processed, the top plate can be automatically driven to push the workpiece out, making it convenient for personnel to remove the workpiece and improving the workpiece processing efficiency.

[0015] Preferably, a guide rod is slidably provided on the surface of the workbench, and the upper end of the guide rod is fixedly connected to the lower surface of the top plate.

[0016] The effect achieved by the above components is that when the top plate moves, the guide rod can guide the movement of the top plate, thereby preventing rotational deviation during the lifting and lowering process of the top plate.

[0017] Preferably, a rubber pad is fixedly connected to the upper surface of the top plate, and the rubber pad is adapted to the upper surface of the top plate.

[0018] The effect achieved by the above components is that the rubber pad can increase the friction on the upper surface of the top plate, thereby minimizing the slippage of the tip on the top plate when the top plate lifts the workpiece.

[0019] Compared with related technologies, the hydraulic clamping device capable of multi-angle clamping provided by this utility model has the following beneficial effects:

[0020] By setting up hydraulic clamping components, the workpiece to be processed can be clamped from the side and vertically, enabling multi-directional clamping and positioning of the workpiece, thus improving the stability of the workpiece after positioning.

[0021] By setting up a discharge assembly, the top plate can be automatically driven to eject the workpiece after processing, making it convenient for personnel to remove the workpiece and improving workpiece processing efficiency. Attached Figure Description

[0022] Figure 1 A schematic diagram of the structure of a multi-angle clamping hydraulic clamp provided by this utility model;

[0023] Figure 2 for Figure 1 The diagram shows the structure of the hydraulic clamping assembly.

[0024] Figure 3 for Figure 1 A partial structural schematic diagram of the hydraulic clamping assembly shown;

[0025] Figure 4 for Figure 1 A partial structural disassembly diagram of the hydraulic clamping assembly shown;

[0026] Figure 5 for Figure 1 The diagram shows the structure of the discharge assembly.

[0027] Labels in the diagram: 1. Workbench; 2. Workpiece; 3. Hydraulic clamping assembly; 301. Bearing block; 302. Hydraulic cylinder; 303. Drive shaft; 304. Claw; 305. Arched plate; 306. Sealing plate; 307. Clamping block; 308. Rectangular hole; 309. Side plate; 310. Bolt; 311. Round block; 312. Support platform; 313. Auxiliary plate; 314. Sliding hole; 315. Sliding block; 316. Sliding rod; 317. Spring; 4. Discharge assembly; 41. Lead screw; 42. Top plate; 43. Driven gear; 44. Drive gear; 45. Chain; 46. Welding plate; 47. Servo motor; 48. Guide rod; 49. Rubber pad. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0029] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0030] Please see Figure 1 The present invention provides a hydraulic clamp that can be clamped at multiple angles, comprising: a worktable 1, a workpiece 2 and a hydraulic clamping assembly 3. The worktable 1 has a rectangular cross-section, and the workpiece 2 is mounted on the upper surface of the worktable 1 by means of the hydraulic clamping assembly 3.

[0031] The hydraulic clamping assembly 3 is located on the upper surface of the workbench 1, and the discharge assembly 4 is located at the center of the surface of the workbench 1.

[0032] In the embodiments of this utility model, please refer to Figures 2 to 4The hydraulic clamping assembly 3 includes an arched plate 305, several bearing blocks 301, and several hydraulic cylinders 302. The lower surface of the bearing blocks 301 is fixedly connected to the upper surface of the worktable 1. The workpiece 2 is placed on the upper surface of the bearing blocks 301. The hydraulic cylinders 302 are fixedly connected to the upper surface of the worktable 1. The output end of the hydraulic cylinders 302 is fixedly connected to a drive shaft 303. Several pressure claws 304 are rotatably connected to the arc surface of the drive shaft 303. The lower surface of the arched plate 305 is fixedly connected to the upper surface of the worktable 1. A clamping block 307 is attached to the inner wall of the arched plate 305. A rectangular hole 308 is opened on one side of the clamping block 307. A side plate 309 is fixedly connected to one side of the arched plate 305. A bolt 310 is threaded through the side of the side plate 309. A round block 311 is fixedly connected to one end of the bolt 310. The round block 311 is movably connected to the inner wall of the rectangular hole 308. By setting up the hydraulic clamping assembly 3, the workpiece 2 to be processed can be clamped from the side and vertically, enabling multi-directional clamping and positioning of the workpiece 2, thus improving the stability of the workpiece 2 after positioning. A support platform 312 is fixedly connected to the upper surface of the worktable 1. A sliding hole 314 is opened on the side of the support platform 312. A slider 315 is slidably connected to the inner wall of the sliding hole 314. An auxiliary plate 313 is fixedly connected to one side of the support platform 312. A sliding rod 316 is slidably passed through the side of the auxiliary plate 313. One end of the sliding rod 316 is fixedly connected to the slider 315. A spring 317 is sleeved on the arc surface of the sliding rod 316. The two ends of the spring 317 are fixedly connected to the auxiliary plate 313 and the slider 315, respectively. After workpiece 2 is placed on the support block 301, spring 317 drives slide rod 316, which in turn drives slider 315, causing slider 315 to move along the inner wall of sliding hole 314 towards workpiece 2 until slider 315 abuts against workpiece 2. At this point, workpiece 2 can be temporarily limited, facilitating the next clamping and limiting operation. When it is necessary to release the temporary limitation on workpiece 2, pull slide rod 316 to move slider 315 in the opposite direction and separate it from workpiece 2. A sealing plate 306 is fixedly connected to the upper surface of arched plate 305, and the lower surface of sealing plate 306 is in contact with the upper surface of clamping block 307. When clamping block 307 moves, its upper surface will always be in contact with the lower surface of sealing plate 306, thereby improving the stability of clamping block 307 during movement. The side of clamping block 307 away from rectangular hole 308 is designed as a dovetail shape.

[0033] In the embodiments of this utility model, please refer to Figure 5The discharge assembly 4 includes a lead screw 41 and a chain 45. The lead screw 41 slides through the upper surface of the worktable 1, and a top plate 42 is rotatably connected to the upper end of the lead screw 41. The top plate 42 has a cross-section in the shape of a cross. A driven gear 43 is threadedly connected to the arc surface of the lead screw 41. The driven gear 43 is rotatably connected to the lower surface of the worktable 1. A driving gear 44 is rotatably connected to the lower surface of the worktable 1. The inner wall of the chain 45 meshes with the driving gear 44 and the driven gear 43. A welding plate 46 is fixedly connected to the lower surface of the worktable 1. A servo motor 47 is fixedly connected to one side of the welding plate 46. The output end of the servo motor 47 is fixedly connected to the lower surface of the driving gear 44. By setting up the discharge assembly 4, after the workpiece 2 is processed, the top plate 42 can be automatically driven to push the workpiece 2 out, making it convenient for personnel to remove the workpiece 2 and improving the processing efficiency of the workpiece 2. A guide rod 48 slides through the surface of the worktable 1, and the upper end of the guide rod 48 is fixedly connected to the lower surface of the top plate 42. When the top plate 42 moves, the guide rod 48 can guide the movement of the top plate 42, thereby preventing rotational deviation during the lifting and lowering process of the top plate 42. A rubber pad 49 is fixedly connected to the upper surface of the top plate 42, and the rubber pad 49 is adapted to the upper surface of the top plate 42. The rubber pad 49 can increase the friction of the upper surface of the top plate 42, thereby minimizing the slippage of the center point on the top plate 42 when the top plate 42 lifts the workpiece 2.

[0034] The working principle of the multi-angle clamping hydraulic fixture provided by this utility model is as follows: When it is necessary to use the hydraulic clamping assembly 3 to clamp and position the workpiece 2, first place the workpiece 2 to be clamped on the bearing block 301, then rotate the bolt 310 to move it through the side plate 309. When the bolt 310 moves, it will drive the round block 311 to move. The round block 311 will push the clamping block 307 with the help of the rectangular hole 308, so that the clamping block 307 moves towards the workpiece 2. When the clamping block 307 is firmly abutted against the side of the workpiece 2, the side of the workpiece 2 can be clamped. Then, rotate the pressure claw 304 to place it above the workpiece 2. Next, start the hydraulic cylinder 302 to drive the pressure claw 304 to move towards the workpiece 2. When the pressure claw 304 abuts against the upper surface of the workpiece 2, the vertical locking of the workpiece 2 can be completed. At this time, the clamping operation of the workpiece 2 can be completed. After the workpiece 2 is processed... When it is necessary to release the positioning of workpiece 2, first rotate bolt 310 in the reverse direction to drive clamping block 307 to separate from the side of workpiece 2, and then start hydraulic rod to drive pressure claw 304 to the upper surface of workpiece 2. At this time, the positioning of workpiece 2 can be released. When workpiece 2 is placed on bearing block 301, spring 317 will drive slide rod 316, slide rod 316 will drive slider 315, so that slider 315 moves along the inner wall of slide hole 314 towards workpiece 2 until slider 315 abuts against workpiece 2. At this time, workpiece 2 can be temporarily limited, which facilitates the next clamping and limiting operation of workpiece 2. When it is necessary to release the temporary limitation of workpiece 2, pull slide rod 316 to drive slider 315 to move in the reverse direction to separate from workpiece 2. In addition, when clamping block 307 moves, its upper surface will always be in contact with the lower surface of sealing plate 306, thereby improving the stability of clamping block 307 during movement.

[0035] When workpiece 2 is finished and needs to be automatically lifted from the support block 301, the servo motor 47 is started first to drive the drive gear 44 to rotate. The drive gear 44 drives the driven gear 43 to rotate via the chain 45. The driven gear 43 drives the lead screw 41, causing the lead screw 41 to move closer to workpiece 2. The lead screw 41 drives the top plate 42, causing the top plate 42 to lift workpiece 2 under the guidance of the guide rod 48. After lifting, workpiece 2 is removed from the top plate 42. Then, the servo motor 47 is started to drive the drive gear 44 to rotate in the opposite direction. The drive gear 44 drives the driven gear 43 to rotate in the opposite direction via the chain 45. The driven gear 43 drives the lead screw 41, causing the lead screw 41 to move the top plate 42 in the opposite direction. When the top plate 42 returns to its original position, the operation of the servo motor 47 can be stopped. The rubber pad 49 can increase the friction of the upper surface of the top plate 42, thereby minimizing the slippage of the tip on the top plate 42 when lifting workpiece 2.

[0036] The circuits and controls involved in this utility model are all existing technologies, and will not be described in detail here.

[0037] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A hydraulic clamp capable of multi-angle clamping, characterized in that, include: The worktable (1), workpiece (2), and hydraulic clamping assembly (3) are arranged in a rectangular cross-section. The workpiece (2) is mounted on the upper surface of the worktable (1) by means of the hydraulic clamping assembly (3). The hydraulic clamping assembly (3) is located on the upper surface of the worktable (1). The hydraulic clamping assembly (3) includes an arched plate (305), several bearing blocks (301), and several hydraulic cylinders (302). The lower surface of the bearing blocks (301) is fixedly connected to the upper surface of the worktable (1). The workpiece (2) is placed on the upper surface of the bearing blocks (301). The hydraulic cylinders (302) are fixedly connected to the upper surface of the worktable (1). The output end of the device is fixedly connected to a drive shaft (303). The arc surface of the drive shaft (303) is rotatably connected to several pressure claws (304). The lower surface of the arched plate (305) is fixedly connected to the upper surface of the worktable (1). The inner wall of the arched plate (305) is fitted with a clamping block (307). A rectangular hole (308) is opened on one side of the clamping block (307). A side plate (309) is fixedly connected to one side of the arched plate (305). A bolt (310) is threaded through the side of the side plate (309). A round block (311) is fixedly connected to one end of the bolt (310). The round block (311) is movably connected to the inner wall of the rectangular hole (308).

2. The hydraulic clamp capable of multi-angle clamping according to claim 1, characterized in that, A support platform (312) is fixedly connected to the upper surface of the workbench (1). A sliding hole (314) is provided on the side of the support platform (312). A slider (315) is slidably connected to the inner wall of the sliding hole (314). An auxiliary plate (313) is fixedly connected to one side of the support platform (312). A sliding rod (316) is slidably passed through the side of the auxiliary plate (313). One end of the sliding rod (316) is fixedly connected to the slider (315). A spring (317) is sleeved on the arc surface of the sliding rod (316). The two ends of the spring (317) are fixedly connected to the auxiliary plate (313) and the slider (315) respectively.

3. A multi-angle clamping hydraulic fixture according to claim 1, characterized in that, A sealing plate (306) is fixedly connected to the upper surface of the arched plate (305), and the lower surface of the sealing plate (306) is in contact with the upper surface of the clamping block (307).

4. A multi-angle clamping hydraulic fixture according to claim 1, characterized in that, The side of the clamp (307) away from the rectangular hole (308) is set in a dovetail shape.

5. A multi-angle clamping hydraulic fixture according to claim 1, characterized in that, A discharge assembly (4) is provided at the center of the surface of the workbench (1). The discharge assembly (4) includes a lead screw (41) and a chain (45). The lead screw (41) slides through the upper surface of the workbench (1). A top plate (42) is rotatably connected to the upper end of the lead screw (41). The cross section of the top plate (42) is "+". A driven gear (43) is threadedly connected to the arc surface of the lead screw (41). The driven gear (43) is rotatably connected to the lower surface of the workbench (1). A driving gear (44) is rotatably connected to the lower surface of the workbench (1). The inner wall of the chain (45) meshes with the driving gear (44) and the driven gear (43). A welding plate (46) is fixedly connected to the lower surface of the workbench (1). A servo motor (47) is fixedly connected to one side of the welding plate (46). The output end of the servo motor (47) is fixedly connected to the lower surface of the driving gear (44).

6. A multi-angle clamping hydraulic clamp according to claim 5, characterized in that, A guide rod (48) is slidably passed through the surface of the workbench (1), and the upper end of the guide rod (48) is fixedly connected to the lower surface of the top plate (42).

7. A multi-angle clamping hydraulic clamp according to claim 5, characterized in that, A rubber pad (49) is fixedly connected to the upper surface of the top plate (42), and the rubber pad (49) is adapted to the upper surface of the top plate (42).

Images