CN219685230U - Hydraulic clamping assembly - Google Patents

Abstract

The utility model discloses a hydraulic clamping assembly in the technical field of clamping, which is a U-shaped frame, wherein a first rotating shaft and a second rotating shaft are rotatably connected in the U-shaped frame, a clamping table is fixedly connected between the first rotating shaft and the second rotating shaft, the right end of the first rotating shaft is fixedly connected with a worm wheel, the right end of the U-shaped frame is rotatably connected with a worm through a bearing seat, the worm is meshed with the worm wheel, the top of the clamping table is slidably connected with a movable block, clamping assemblies are arranged on the inner sides of the clamping table and the movable block, a hydraulic driving assembly is arranged in the U-shaped frame, the hydraulic driving assembly comprises a hydraulic cylinder and an annular slide rod, the hydraulic cylinder is fixedly connected in the U-shaped frame, the output shaft end of the hydraulic cylinder is fixedly connected with a sleeve, the two ends of the movable block are fixedly connected with the annular slide rod, and the side wall of the annular slide rod is slidably connected with the inner wall of the sleeve; the clamping device for the part machining solves the problem that the existing clamping device for the part machining is difficult to realize multi-angle adjustment of the part, and increases the effect of bringing convenience to the part machining.

Description

Hydraulic clamping assembly

Technical Field

The utility model relates to the technical field of clamping, in particular to a hydraulic clamping assembly.

Background

The machining is to make the shape, size, relative position and property of the blank into the whole process of qualified parts according to the pattern and size of the drawing by using a machining method, and the machining process is the work required by the process staff before machining, so that machining errors are avoided in the machining process, and economic losses are caused.

In the part machining process, the part is required to be clamped, then the part is drilled or cut, and the like, at present, the clamping mode of the part is usually that a hydraulic cylinder is driven to drive a clamping plate to clamp and fix, but the existing clamping device for part machining is difficult to realize multi-angle adjustment of the part, and inconvenience is brought to part machining.

Based on the above, the utility model designs a hydraulic clamping assembly to solve the problem that the existing clamping device for part processing is difficult to realize multi-angle adjustment of parts.

Disclosure of Invention

In order to solve the problem that the existing clamping device for part processing is difficult to realize multi-angle adjustment of parts, the utility model provides the following technical scheme:

the utility model provides a hydraulic pressure clamping assembly, includes U type frame, the inside rotation of U type frame is connected with first pivot and second pivot, fixedly connected with centre gripping platform between first pivot and the second pivot, first pivot right-hand member fixedly connected with worm wheel, U type frame right-hand member is connected with the worm through the bearing frame rotation, worm and worm wheel meshing, centre gripping platform top sliding connection has the movable block, centre gripping platform and movable block inboard all are provided with clamping assembly, the inside hydraulic drive subassembly that is provided with of U type frame, hydraulic drive subassembly is including pneumatic cylinder and annular slide bar, the inside fixedly connected with pneumatic cylinder of U type frame, pneumatic cylinder output axle head fixedly connected with sleeve, movable block both ends fixedly connected with annular slide bar, annular slide bar lateral wall and sleeve inner wall sliding connection.

As a further scheme of the utility model, the clamping assembly comprises a fixed rod and a group of clamping plates which are rotationally connected through a rotating shaft, a sliding groove is formed in the clamping plates, a cylindrical inserted rod is connected to the inner wall of the sliding groove in a sliding manner, a fixed rod is rotationally connected to the outer wall of the cylindrical inserted rod, one end, far away from the clamping plates, of the fixed rod is fixedly connected with a movable block and a clamping table respectively, a spring is fixedly connected to the inner part of the sliding groove, and one end, close to the rotating shaft, of the spring is attached to the cylindrical inserted rod; during operation, when the regular part is clamped through the clamping plate, the clamping plate can rotate by taking the rotating shaft as the central line, so that the clamping plate can generate included angles, the clamping plate can clamp four corners of the regular part, the abrasion of the surface of the part is reduced because the clamping plate is in line contact with the regular part, the clamping plate is in surface contact with the part through the edge angle towards the rotating shaft of the clamping plate, the effect of the edge angle of the part can be protected, and the clamping method can be selected according to the type of the part, so that the effect of clamping the part and protecting the part can be achieved.

As a further scheme of the utility model, a limiting groove is formed in the U-shaped frame, a limiting block is fixedly connected to the lower end of the movable block, and the limiting block is positioned in the limiting groove and is in sliding fit with the limiting groove; during operation, the limiting block slides in the limiting groove to prevent the movable block from being separated from the U-shaped frame during clamping, so that the clamping of the part fails.

As a further scheme of the utility model, the left end of the second rotating shaft is fixedly connected with a first bevel gear, the left end of the U-shaped frame is fixedly connected with a mounting box, a transmission rod is rotatably connected inside the mounting box, the lower end of the transmission rod is fixedly connected with a second bevel gear, and the first bevel gear is meshed with the second bevel gear; the pointer is fixedly connected to the upper end of the transmission rod, and scale marks are arranged on the upper end face of the mounting box. During operation, the first bevel gear is driven to rotate through a certain angle of rotation of the second rotating shaft, the first bevel gear is driven to rotate by rotation of the first bevel gear, the second bevel gear is driven to rotate by rotation of the transmission rod, the transmission rod is driven to rotate the pointer by the same angle, the pointer points to the corresponding scale mark, and the effect of indicating the degree of rotation of the second rotating shaft is achieved.

As a further scheme of the utility model, the first bevel gear and the second bevel gear are of the same model, and the front end of the worm is fixedly connected with a handle; during operation, through using first bevel gear and the second bevel gear of the same model for second bevel gear pivoted number of turns is the same with first bevel gear pivoted number of turns, thereby the rotatory number of degrees of centre gripping platform can be through pointer and scale mark cooperation show the effect.

Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: the worm, the worm wheel, the first rotating shaft and the clamping table are sequentially driven to rotate by rotating the handle, so that the clamping assembly is driven to rotate, and the part is driven to rotate, thereby being capable of adjusting multiple angles of the part and bringing convenience for machining the part at multiple angles; through the cooperation of the clamping plate, the cylindrical inserted link, the fixed link and the spring, when the clamping plate clamps the parts, the clamping plate can rotate, so that the clamping plate generates an included angle, and the clamping plate is in line contact with the regular parts, thereby avoiding abrasion caused by clamping the parts; through the cooperation of the second rotating shaft, the first bevel gear, the second bevel gear and the transmission rod, the pointer, the mounting box and the scale marks, the clamping table is rotated, the second rotating shaft, the first bevel gear, the second bevel gear, the transmission rod and the pointer are sequentially driven to rotate, the corresponding scale marks are pointed by the pointer, and the rotating angle of the clamping table can be known, so that the adjustment of the angle of a part is more accurate; the clamping device for part machining solves the problem that the existing clamping device for part machining is difficult to realize multi-angle adjustment of parts, and increases the effect of bringing convenience to part machining.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall front view structure of the present utility model;

FIG. 2 is a schematic view of another view angle structure of the front view of the present utility model;

FIG. 3 is a schematic view of a semi-sectional structure of a frame according to the present utility model;

FIG. 4 is an enlarged schematic view of the portion A of FIG. 3 according to the present utility model;

FIG. 5 is a right-side view of the movable block of the present utility model;

FIG. 6 is a schematic view of the half-section structure of the clamping plate of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a U-shaped frame; 2. a clamping table; 3. a first rotating shaft; 4. a worm wheel; 5. a worm; 6. a handle; 7. a limit groove; 8. a first limiting block; 9. a movable block; 10. an annular slide bar; 11. a hydraulic cylinder; 12. a sleeve; 13. a spring; 14. a cylindrical insert rod; 15. a second rotating shaft; 16. a first bevel gear; 17. a mounting box; 18. a transmission rod; 19. a second bevel gear; 20. a pointer; 21. scale marks; 22. a fixed rod; 23. and (3) clamping plates.

Description of the embodiments

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: the hydraulic clamping assembly comprises a U-shaped frame 1, a first rotating shaft 3 and a second rotating shaft 15 are rotatably connected inside the U-shaped frame 1, a clamping table 2 is fixedly connected between the first rotating shaft 3 and the second rotating shaft 15, the right end of the first rotating shaft 3 is fixedly connected with a worm wheel 4,U type frame 1, the right end of the first rotating shaft is rotatably connected with a worm 5 through a bearing seat, the worm 5 is meshed with a worm wheel 4, the top of the clamping table 2 is slidably connected with a movable block 9, clamping assemblies are arranged inside the clamping table 2 and the movable block 9, a hydraulic driving assembly is arranged inside the U-shaped frame 1 and comprises a hydraulic cylinder 11 and an annular slide rod 10, the hydraulic cylinder 11 is fixedly connected inside the U-shaped frame 1, the output shaft end of the hydraulic cylinder 11 is fixedly connected with a sleeve 12, two ends of the movable block 9 are fixedly connected with the annular slide rod 10, and the side wall of the annular slide rod 10 is slidably connected with the inner wall of the sleeve 12; when the device works, the worm 5 rotates to drive the worm wheel 4 to rotate, the worm wheel 4 rotates to drive the first rotating shaft 3 to rotate, the first rotating shaft 3 rotates to drive the clamping table 2 to rotate, and the clamping table 2 rotates to drive parts to rotate, so that the effect of adjusting the angles of the parts is achieved, and convenience is brought to part machining; the sleeve 12 is driven to move leftwards by starting the contraction of the hydraulic cylinder 11, the sleeve 12 moves leftwards to drive the annular slide bar 10 to move leftwards, the annular slide bar 10 moves leftwards to drive the movable block 9 to move, and the movable block 9 moves to provide power for clamping parts; the hydraulic cylinder 11 is fixed in the U-shaped frame, and the annular slide rod 10 and the sleeve 12 are matched, so that the hydraulic cylinder 11 cannot rotate along with the clamping table 2 when the clamping table 2 rotates, and the phenomenon that a hydraulic pipe connected with the hydraulic cylinder 2 is wound is avoided; by using the hydraulic cylinder 11 for driving, a stable holding force can be provided when clamping the parts; through worm wheel 4, worm 5 cooperation use for centre gripping platform 2 reaches the effect of auto-lock, simultaneously for rotating centre gripping platform 2 more laborsaving.

As yet a further embodiment of the utility model: the clamping assembly comprises a fixed rod 22 and a group of clamping plates 23 which are rotationally connected through a rotating shaft, a sliding groove is formed in the clamping plates 23, a cylindrical inserted rod 14 is slidably connected to the inner wall of the sliding groove, the fixed rod 22 is rotationally connected to the outer wall of the cylindrical inserted rod 14, one end, far away from the clamping plates 23, of the fixed rod 22 is fixedly connected with the movable block 9 and the clamping table 2 respectively, a spring 13 is fixedly connected to the inner part of the sliding groove, and one end, close to the rotating shaft, of the spring 13 is attached to the cylindrical inserted rod 14; during operation, when the regular part is clamped through the clamping plate 23, the clamping plate 23 can rotate by taking the rotating shaft as the center line, so that the clamping plate 23 generates included angles, the clamping plate 23 clamps four corners of the regular part, the abrasion of the surface of the part is reduced because the clamping plate 23 is in line contact with the regular part, the clamping plate 23 is contacted with the surface of the part through the edge angle towards the rotating shaft of the clamping plate 23, the edge angle of the part can be protected, and clamping methods can be selected according to the types of the part, so that the effects of clamping the part and protecting the part can be achieved.

As yet a further embodiment of the utility model: a limiting groove 7 is formed in the U-shaped frame 1, a limiting block is fixedly connected to the lower end of the movable block 9, and the limiting block is positioned in the limiting groove 7 and is in sliding fit with the limiting groove 7; during operation, the limiting block slides in the limiting groove 7, so that the movable block 9 is prevented from being separated from the U-shaped frame 1 during clamping, and the clamping of the part fails.

As yet a further embodiment of the utility model: the left end fixedly connected with first bevel gear 16 of second pivot 15, U type frame 1 left end fixedly connected with install bin 17, install bin 17 inside rotation is connected with transfer line 18, transfer line 18 lower extreme fixedly connected with second bevel gear 19, first bevel gear 16 and second bevel gear 19 meshing, transfer line 18 upper end fixedly connected with pointer 20, install bin 17 up end and be provided with scale mark 21. During operation, the first bevel gear 16 is driven to rotate by a certain angle through the rotation of the second rotating shaft 15, the first bevel gear 16 rotates to drive the second bevel gear 19 to rotate, the second bevel gear 19 rotates to drive the transmission rod 18, the transmission rod 18 rotates to drive the pointer 20 to rotate by the same angle, and the pointer 20 points to the corresponding scale mark 21, so that the effect of indicating the degree of rotation of the second rotating shaft 15 is achieved.

As yet a further embodiment of the utility model: the first bevel gear 16 and the second bevel gear 19 are of the same model, and the front end of the worm 5 is fixedly connected with the handle 6; during operation, through using the first bevel gear 16 and the second bevel gear 19 of the same model, the number of turns of the second bevel gear 19 is the same as the number of turns of the first bevel gear 16, so that the degree of rotation of the clamping table 2 can be represented by the effect of the cooperation of the pointer 20 and the scale mark 21.

The working principle of the utility model is as follows: when the clamping device is used, a part is placed on the clamping table 2, then the hydraulic cylinder 11 is started to shrink to drive the sleeve 12 to move leftwards, the sleeve 12 is moved leftwards to drive the annular slide bar 10 to move leftwards, the annular slide bar 10 is moved leftwards to drive the movable block 9 to move leftwards, the movable block 9 is moved leftwards to drive the fixed rod 22 to move leftwards, the fixed rod 22 is moved leftwards to drive the cylindrical inserted rod 14 to drive the clamping plate 23 to move leftwards, when the clamping plate 23 clamps a regular part, the clamping plate 23 rotates by taking a rotating shaft as a center line, so that the clamping plate 23 clamps four corners of the regular part, and as the clamping plate 23 is in line contact with the regular part, the abrasion of the surface of the part is reduced, the clamping plate 23 is contacted with the surface of the part by the rotating shaft of the clamping plate 23 towards the edge angle, so that the edge angle of the part can be protected, and the clamping method can be selected according to the type of the part, so that the effects of clamping the part can be realized.

When the parts need to be processed at multiple angles, the handle 6 can be held to drive the worm 5 to rotate, the worm 5 rotates to drive the worm wheel 4 to rotate, the worm wheel 4 rotates to drive the first rotating shaft 3 to rotate, the first rotating shaft 3 rotates to drive the clamping table 2 to rotate, and the clamping table 2 rotates to drive the parts to rotate, so that the angles of the parts are adjusted, and a convenient effect is brought to the processing of the parts; the second rotating shaft 15 is driven to rotate through the rotation of the clamping table 2, the first bevel gear 16 is driven to rotate through the rotation of the second rotating shaft 15, the second bevel gear 19 is driven to rotate through the rotation of the first bevel gear 16, the transmission rod 18 is driven to rotate through the rotation of the second bevel gear 19, the pointer 20 is driven to rotate through the rotation of the transmission rod 18, the pointer 20 points to the corresponding scale mark 21, the rotating angle of the clamping table 2 can be known through the pointer 20 pointing to the corresponding scale mark 21, and therefore the adjustment of the part angle is more accurate, and the part machining is more accurate.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (5)

1. The utility model provides a hydraulic pressure centre gripping subassembly, includes U type frame (1), its characterized in that: the novel hydraulic clamping device is characterized in that a first rotating shaft (3) and a second rotating shaft (15) are connected to the inside of the U-shaped frame (1) in a rotating mode, a clamping table (2) is fixedly connected between the first rotating shaft (3) and the second rotating shaft (15), a worm wheel (4) is fixedly connected to the right end of the first rotating shaft (3), a worm (5) is connected to the right end of the U-shaped frame (1) in a rotating mode through a bearing seat, the worm (5) is meshed with the worm wheel (4), a movable block (9) is slidably connected to the top of the clamping table (2), clamping assemblies are arranged on the inner sides of the clamping table (2) and the movable block (9), a hydraulic driving assembly is arranged inside the U-shaped frame (1), the hydraulic driving assembly comprises a hydraulic cylinder (11) and an annular sliding rod (10), a sleeve (12) is fixedly connected to the output shaft end of the hydraulic cylinder (11), an annular sliding rod (10) is fixedly connected to the two ends of the movable block (9), and the side wall of the annular sliding rod (10) is slidably connected to the inner wall of the sleeve (12).

2. A hydraulic clamp assembly according to claim 1, wherein: clamping assembly includes dead lever (22) and a set of splint (23) of being connected through the axis of rotation at movable block (9) inner wall and movable block (9) contralateral centre gripping platform (2) inner wall, spout has been seted up to splint (23) inside, spout inner wall sliding connection has cylindricality inserted bar (14), cylindricality inserted bar (14) outer wall rotation is connected with dead lever (22), dead lever (22) keep away from splint (23) one end respectively with movable block (9), centre gripping platform (2) fixed connection, spout inside fixedly connected with spring (13), one end that spring (13) are close to the axis of rotation is laminated with cylindricality inserted bar (14).

3. A hydraulic clamp assembly according to claim 1, wherein: the U-shaped frame (1) is internally provided with a limiting groove (7), the lower end of the movable block (9) is fixedly connected with a limiting block, and the limiting block is positioned in the limiting groove (7) and is in sliding fit with the limiting groove.

4. A hydraulic clamp assembly according to claim 1, wherein: the novel U-shaped frame comprises a first rotating shaft (15), a first bevel gear (16) fixedly connected with the left end of the second rotating shaft, a mounting box (17) fixedly connected with the left end of the U-shaped frame, a transmission rod (18) is rotatably connected inside the mounting box (17), a second bevel gear (19) is fixedly connected with the lower end of the transmission rod (18), the first bevel gear (16) is meshed with the second bevel gear (19), a pointer (20) is fixedly connected with the upper end of the transmission rod (18), and scale marks (21) are arranged on the upper end face of the mounting box (17).

5. A hydraulic clamp assembly according to claim 4, wherein: the first bevel gear (16) and the second bevel gear (19) are of the same model, and the front end of the worm (5) is fixedly connected with a handle (6).