CN217620049U

CN217620049U - Hydraulic clamp

Info

Publication number: CN217620049U
Application number: CN202221056366.7U
Authority: CN
Inventors: 李彦文; 朱玲杰; 贾丽红
Original assignee: YANTAI HAIDE MACHINE TOOL CO Ltd
Current assignee: YANTAI HAIDE MACHINE TOOL CO Ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-10-21
Anticipated expiration: 2032-05-06

Abstract

The utility model provides a hydraulic clamp, the on-line screen storage device comprises a base, the base bottom is equipped with the hydro-cylinder layer board, be equipped with the hydro-cylinder on the hydro-cylinder layer board, be equipped with the piston in the hydro-cylinder, be equipped with the piston uide bushing between hydro-cylinder and the piston, the piston is connected with the piston rod, is equipped with the piston rod uide bushing between the hydro-cylinder upper cover of piston rod and hydro-cylinder, all ann has the connecting rod in the ring channel of piston rod upper end both sides, the connecting rod links to each other with the slide respectively, the downthehole axle that is equipped with of connecting rod, the axle is ann on the base, the slide passes through interior hexagonal cylinder head screw II, interior hexagonal cylinder head screw IV and links to each other with the clamping jaw seat, and the slide outside is equipped with the baffle, the clamping jaw seat has the clamping jaw through interior hexagonal cylinder head screw III. The utility model discloses utilize hydraulic pressure as power, thereby the piston promotes two through the connecting rod and keeps silent and do the function that clamp tightly and loosen with reverse motion in opposite directions, does not need artifical manually operation, uses manpower sparingly, can with the machine linkage, realize automaticly.

Description

Hydraulic clamp

Technical Field

The utility model belongs to the technical field of mechanical equipment, specifically speaking relates to a hydraulic clamp.

Background

The workpiece is clamped by a vice and a bench clamp in factory production, a screw rod is manually rotated to drive two nuts in forward and reverse directions to move in reverse directions, two jaws are respectively installed on the two nuts, and the two nuts respectively drive the two jaws to move, so that the clamping and loosening functions are realized. Vices and bench clamps can only be used for manual operation, can not be linked with a machine, can not realize automation, and have high labor intensity and low efficiency in mass production.

SUMMERY OF THE UTILITY MODEL

The utility model provides a solve above-mentioned problem and provide a hydraulic pressure clamp, utilize hydraulic pressure as power, thereby the piston promotes two through the connecting rod and keeps silent and do the function that the opposite movement realized pressing from both sides tightly and loosen.

The technical scheme of the utility model is realized like this: a hydraulic clamp comprises a base, wherein a cylinder supporting plate is arranged at the bottom of the base, a cylinder is arranged on the cylinder supporting plate, a piston is arranged in the cylinder, a piston guide sleeve is arranged between the cylinder and the piston, the piston is connected with a piston rod, a piston rod guide sleeve is arranged between the piston rod and a cylinder upper cover of the cylinder, connecting rods are arranged in annular grooves on two sides of the upper end of the piston rod and are respectively connected with a sliding seat, a shaft is arranged in each connecting rod hole and is arranged on the base, the sliding seat is connected with a clamping jaw seat through an inner hexagonal socket head cap screw II and an inner hexagonal socket head cap screw IV, a baffle is arranged on the outer side of the sliding seat, the clamping jaw seat is provided with a clamping jaw through an inner hexagonal socket head cap screw III, an inner hexagonal socket head cap screw I is arranged on the outer side of the sliding seat and is connected with the clamping jaw seat, an oil A is arranged on the cylinder upper cover of the cylinder, an oil B is arranged on the lower cover of the cylinder, the oil ports A and B are both communicated with the cylinder, and the oil ports A and B are right opposite to rectangular holes on two sides of the base;

preferably, the shaft is provided with an oil hole, and an oil cup II is arranged in the oil hole;

preferably, the sliding seat is provided with an oil hole, and an oil cup I is arranged in the oil hole;

preferably, a dustproof plate is arranged on the base between the two sliding seats.

The utility model has the advantages that: the utility model discloses utilize hydraulic pressure as power, thereby the piston promotes two through the connecting rod and keeps silent and do the function that the opposite movement realized pressing from both sides tightly and loosen, does not need artifical manually operation, uses manpower sparingly, can with the machine linkage, realize automaticly.

Drawings

Fig. 1 is a top view of the present invention;

FIG. 2 isbase:Sub>A schematic sectional view taken along line A-A of FIG. 1 according to the present invention;

FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 2 according to the present invention;

fig. 4 is a schematic cross-sectional view taken along the direction C-C of fig. 2 according to the present invention.

Description of the parts: 1. the device comprises a base, 2, a shaft, 3, a connecting rod, 4, a sliding seat, 5, an oil cup I, 6, an inner hexagonal socket head screw I, 7, an inner hexagonal socket head screw II, 8, a clamping jaw seat, 9, an inner hexagonal socket head screw III, 10, a clamping jaw, 11, an inner hexagonal conical column head IV, 12, a dust guard, 13, a piston rod, 14, a countersunk head screw I, 15, an inner hexagonal socket head screw V, 16, a Y-shaped sealing ring I, 17, an O-shaped ring I, 18, an O-shaped ring II, 19, a piston, 20, an oil cylinder, 21 and a nut, 22, inner hexagonal socket head cap screws VI and 23, an oil cylinder lower cover, 24, a piston rod guide sleeve, 25, an oil cylinder upper cover, 26, an upper retaining ring, 27, Y-shaped sealing rings II and 28, a piston guide sleeve, 29, a lower retaining ring, 30, a gasket, 31, O-shaped rings III and 32, an oil cylinder supporting plate, 33, inner hexagonal socket head cap screws VII and 34, inner hexagonal socket head cap screws VIII and 35, a baffle, 36, countersunk head screws II and 37, countersunk head screws III and 38, an elastic retaining ring for a shaft, 39, oil cups II and 40, oil ports A and 41 and an oil port B.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to the attached drawings 1-4, a hydraulic clamp comprises a base 1, an oil cylinder 20, a sliding seat 4 and a clamping jaw seat 8, wherein a Y-shaped sealing ring I16 is arranged at the bottom of a hole of an oil cylinder upper cover 25 of the oil cylinder 20, a piston rod guide sleeve 24 is arranged in the hole of the oil cylinder upper cover 25 and is fixedly connected by a countersunk screw I14, the Y-shaped sealing ring I and the clamping jaw seat are arranged on a piston rod 13 together, an upper check ring 26 is arranged on the piston rod 13, an O-shaped ring II 18 is arranged in a ring groove on the piston rod 13, a Y-shaped sealing ring II 27 and a piston guide sleeve 28 are arranged on a piston 19 and are arranged on the piston rod 13 together, a lower check ring 29 and a gasket 30 are arranged on the piston rod 13 and are locked and fixed by a nut 21. The O-shaped ring I17 is arranged in a ring groove of the oil cylinder upper cover 25, the piston rod 13 and parts arranged on the piston rod 13 are integrally arranged in an inner hole of the oil cylinder 20, and the oil cylinder upper cover 25 is fixedly connected with the oil cylinder 20 by an inner hexagonal socket head cap screw V15. The O-shaped ring III 31 is arranged in the annular groove of the lower cover 23 of the oil cylinder and is arranged in the inner hole of the oil cylinder 20 together, the lower cover 23 of the oil cylinder is fixedly connected with the oil cylinder 20 by an inner hexagonal socket head cap screw VI 22, and the movable piston rod 13 is flexible and free from stagnation. The oil cylinder supporting plate 32 is installed at the bottom of the base 1 and fixedly connected through an inner hexagonal socket head cap screw VIII 34, the connecting rod 3 is placed in an annular groove of the piston rod 13, the oil cylinder 20 and parts installed on the piston rod 13 and the oil cylinder 20 are integrally installed inside the base 1, the oil port A40 and the oil port B41 are aligned to rectangular holes in two sides of the base 1, and the oil cylinder lower cover 23 is fixedly connected with the oil cylinder supporting plate 32 through an inner hexagonal socket head cap screw VII 33. The shaft 2 is arranged in the holes of the base 1 and the connecting rod 3 and is connected with the holes, elastic retainer rings 38 are arranged at the two ends of the shaft 2, and an oil cup II 39 is arranged in the oil hole of the shaft 2. The sliding seat 4 is arranged on the base 1 and is connected with the connecting rod 3, the baffle 35 is arranged on the base 1 and is fixed by a countersunk head screw II 36, and the sliding seat 4 can be flexibly moved left and right without stagnation. The dust-proof plate 12 is mounted on the base 1 and fixed by a countersunk screw III 37. The clamping jaw seat 8 is arranged on the sliding seat 4 and is fixedly connected with an inner hexagonal socket head cap screw II 7 and an inner hexagonal socket head cap screw IV 11. The clamping jaw 10 is arranged on the clamping jaw seat 8 and fixedly connected with the clamping jaw seat by an inner hexagonal socket head cap screw III 9. An oil cup I5 is arranged in an oil hole of the sliding seat 4, and an inner hexagonal socket head cap screw I6 is arranged on the sliding seat 4.

The positions of the two clamping jaws 10 can be adjusted by loosening the inner hexagonal socket head cap screw II 7 and the inner hexagonal socket head cap screw IV 11 and rotating the inner hexagonal socket head cap screw I6, so that the position of the symmetrical center between the two clamping jaws 10 is changed. The maximum distance between the two clamping jaws 10 can be changed by rotating the socket cap head cap screw I6, the stroke of the piston 19 can be changed at the same time to adapt to objects with different sizes, and after the adjustment is finished, the socket cap head cap screw II 7 and the socket cap head cap screw IV 11 are screwed down to fix the clamping jaw seat 8 and the sliding seat 4 together.

The jaws 10 may be formed in a variety of configurations and shapes to accommodate objects of different shapes.

The oil port A, B is connected to a hydraulic system, hydraulic pressure is used as power for clamping the object by the clamping jaw 10, and the clamping force of the clamping jaw 10 can be changed by adjusting hydraulic pressure. By adjusting the hydraulic flow, the clamping and unclamping speeds of the clamping jaws 10 can be varied.

The working principle is as follows:

when hydraulic oil enters the oil cylinder 20 from the oil port a40, the piston 19 and the piston rod 13 are pushed to move downward, the piston rod 13 drives the connecting rod 3 to rotate around the shaft 2, and the connecting rod 3 drives the two sliding seats 4 to move in opposite directions along the guide rail of the base 1, so as to clamp an object. When hydraulic oil enters the oil cylinder 20 from the oil port B41, the piston 19 and the piston rod 13 are pushed to move upward, the piston rod 13 drives the connecting rod 3 to rotate around the shaft 2, and the connecting rod 3 drives the two sliding seats 4 to move reversely along the guide rail of the base 1, so that an object is loosened.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The hydraulic clamp comprises a base (1) and is characterized in that an oil cylinder supporting plate (32) is arranged at the bottom of the base (1), an oil cylinder (20) is arranged on the oil cylinder supporting plate (32), a piston (19) is arranged in the oil cylinder (20), a piston guide sleeve (28) is arranged between the oil cylinder (20) and the piston (19), the piston (19) is connected with a piston rod (13), a piston rod guide sleeve (24) is arranged between the piston rod (13) and an oil cylinder upper cover (25) of the oil cylinder (20), connecting rods (3) are arranged in annular grooves on two sides of the upper end of the piston rod (13), the connecting rods (3) are respectively connected with a sliding seat (4), a shaft (2) is arranged in a hole of the connecting rod (3), the shaft (2) is arranged on the base (1), the sliding seat (4) is connected with a clamping jaw seat (8) through an inner hexagon socket head screw II (7) and an inner hexagon head screw (11), a baffle (35) is arranged on the outer side of the sliding seat (4), a clamping jaw seat (8) is provided with an inner hexagon head screw (6) and an oil cylinder head screw (40) is arranged on the oil cylinder upper cover (25), an oil port B (41) is arranged on an oil cylinder lower cover (23) of the oil cylinder (20), the oil port A (40) and the oil port B (41) are communicated with the oil cylinder (20), and the oil port A (40) and the oil port B (41) are over against rectangular holes on two sides of the base (1).

2. The hydraulic clamp as claimed in claim 1, characterized in that the shaft (2) is provided with an oil hole in which an oil cup ii (39) is arranged.

3. A hydraulic clamp as claimed in claim 1 or 2, characterized in that said slide (4) is provided with an oil hole in which is mounted an oil cup i (5).

4. A hydraulic clamp as claimed in claim 1 or 2, characterized in that the base (1) between the two carriages (4) is provided with a dust guard (12).