CN220203831U - Ultra-large stroke clamp holder assembly - Google Patents

Abstract

The utility model discloses an oversized travel gripper assembly, which comprises a gripper body, slips, a sealing ring for a shaft and a piston, wherein the gripper body is provided with a plurality of grooves; according to the clamping device, the piston is pushed to move through the elastic force of the disc spring, the slips are driven to move through the piston, and the drilling tool is clamped fast through the slips, by adopting the structure, the moving stroke of the slips can be adjusted appropriately, and then the clamping device can clamp various types of drilling tools, so that the overall practicability of the clamping device is greatly improved, the problem that the traditional clamping device is single in fixing mode and only can be used for fixing single type of drilling tools is solved, when the slips are required to be loosened, the piston is pushed to move reversely through the action of oil pressure, the slips are driven to move, the clamped drilling tool is further unlocked, the practicability of the clamping device is further improved, the hexagonal socket head screw is sleeved with the first elastic washer, and the hexagonal socket head screw is tightly supported through the elasticity of the first elastic washer, so that the hexagonal socket head screw is prevented from loosening.

Description

Ultra-large stroke clamp holder assembly

Technical Field

The utility model relates to a gripper assembly, in particular to an oversized-stroke gripper assembly, and belongs to the technical field of grippers.

Background

The drilling tool refers to tools used in connection with drilling holes, drilling holes and the like, mainly comprises drilling (drilling) tools, metallurgical furnace tools and the like, the drilling tools need to be combined with various devices when in use, work can be performed through cooperation of the various devices, the clamp belongs to one of the devices, and the drilling tools need to be clamped by the clamp before use.

However, most existing holders have various problems, for example, in a slip holder easy to replace with a large stroke without leakage disclosed in publication No. CN216691005U, although the slip can be replaced at a high speed, the stroke is large, the service life can be prolonged, and the leakage risk is greatly reduced during replacement, but the existing holder adopts a fixed normally closed structure, the slip fixing mode is relatively single, only a single type of drilling tool can be fixed, and certain limitations exist.

Disclosure of Invention

The technical scheme of the utility model aims at solving the technical problem that the prior art is too single, provides a solution which is obviously different from the prior art, and particularly aims at solving the defects in the prior art and providing an oversized travel gripper assembly.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an oversized stroke holder assembly, including the holder body, guide rail and fixing base, the holder body is the symmetry and is provided with two sets of, and be provided with the upper cover plate at the top of two sets of holder bodies, the front end of two sets of holder bodies is provided with the baffle, the bottom is provided with the lower cover plate, and run through in baffle center department and be provided with circular through-hole, the guide rail is connected at lower cover plate both ends, the fixing base is connected on the guide rail, be connected with joint and hexagon socket on the one end lateral wall of the holder body, its two symmetry sets up, and be provided with the fixed pin on the lateral wall of the holder body other end, the fixed pin is connected with the cotter, the inside of the holder body is provided with fixture, fixture includes slips and piston, piston sliding connection is in the inside cavity of the holder body, the slip is connected in the one end of piston, the inside of the holder body still is provided with oil pressure release mechanism.

As still further aspects of the utility model: the clamping mechanism further comprises a disc spring which is arranged in the inner cavity of the clamp body, one end of the disc spring is abutted with the clamp body, and the other end of the disc spring is abutted with the piston.

As still further aspects of the utility model: the oil pressure release mechanism comprises a sealing ring for a shaft, a Kong Yongge ring, an end cover, an inner hexagonal socket head cap screw and a liquid injection hole, wherein the end cover is connected to the clamp body through the inner hexagonal socket head cap screw and is far away from one end of the slip, the liquid injection hole is arranged on the end cover and penetrates through an inner cavity of the clamp body, the liquid outlet end of the liquid injection hole is positioned at a gap between the piston and the clamp body, the sealing ring for the shaft and the Kong Yongge ring are respectively connected to the piston, and the liquid injection hole is positioned at two sides of the gap between the piston and the clamp body.

As still further aspects of the utility model: the piston is provided with a guide ring which is in sliding connection with the inner wall of the holder body.

As still further aspects of the utility model: the inner hexagonal cylinder head screw is sleeved with a first elastic washer.

As still further aspects of the utility model: one side of the clamp body, which is close to the slips, is screwed and connected with a hexagon head bolt, and a second elastic washer is sleeved on the hexagon head bolt.

The beneficial effects of the utility model are as follows:

the piston is pushed to move through the elasticity of the disc spring in the clamp holder, then the piston drives the slips to move, and the drilling tool is clamped fast through the slips, the moving stroke of the slips can be adjusted appropriately by adopting the structure, and then the clamp holder can clamp drilling tools of various types, so that the overall practicability of the clamp holder is greatly improved, the problem that the traditional clamp holder is single in fixing mode and only can be used for fixing drilling tools of single type is solved, and when the slips are required to be loosened, the piston is pushed to move reversely through the action of oil pressure, and then the slips are driven to move the drilling tool to be clamped to unlock the clamp holder, so that the practicability of the clamp holder is further improved.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic view of the end cap connection structure of the present utility model;

fig. 4 is a schematic diagram of the overall front structure of the present utility model.

In the figure: 1. the clamping device comprises a clamping device body, 2, slips, 3, sealing rings for shafts, 4, pistons, 5 and Kong Yongge, 6, guide rings, 7, a ston seal for shafts, 8, end covers, 9, disc springs, 10, connectors, 11, hexagon socket head cap screws, 12, a first elastic gasket, 13, an upper cover plate, 14, a baffle plate, 15, hexagon head bolts, 16, cotter pins, 17, a second elastic gasket, 18, guide rails, 19, a lower cover plate, 20, a liquid injection hole, 21, a fixed seat, 22, hexagon socket head plugs, 23 and a fixed pin.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1: as shown in fig. 1 to 4, an oversized stroke gripper assembly comprises two groups of gripper bodies 1, a guide rail 18 and a fixed seat 21, wherein the gripper bodies 1 are symmetrically provided with an upper cover plate 13 at the top of the two groups of gripper bodies 1, the front ends of the two groups of gripper bodies 1 are provided with a baffle plate 14, the bottom ends of the gripper bodies are provided with a lower cover plate 19, a circular through hole is formed in the center of the baffle plate 14 in a penetrating manner, the guide rail 18 is connected to the two ends of the lower cover plate 19, the fixed seat 21 is connected to the guide rail 18, one end side wall of the gripper body 1 is connected with a joint 10 and a hexagon socket 22, the joint and the hexagon socket are symmetrically arranged, a fixed pin 23 is arranged on the side wall of the other end of the gripper body 1, the fixed pin 23 is connected with a cotter 16, a clamping mechanism is arranged inside the gripper body 1, the clamping mechanism comprises a slip 2 and a piston 4, the piston 4 is slidably connected in an inner cavity of the gripper body 1, the slip 2 is connected to one end of the piston 4, and an oil pressure releasing mechanism is also arranged inside the gripper body 1;

the clamping mechanism further comprises a disc spring 9, wherein the disc spring 9 is arranged in the inner cavity of the clamp body 1, one end of the disc spring is abutted against the clamp body 1, and the other end of the disc spring is abutted against the piston 4;

the oil pressure release mechanism comprises shaft sealing rings 3 and Kong Yongge, an end cover 8, an inner hexagonal socket head cap screw 11 and a liquid injection hole 20, wherein the end cover 8 is connected to the clamp body 1 through the inner hexagonal socket head cap screw 11 and is far away from one end of the slips 2, the liquid injection hole 20 is arranged on the end cover 8 and penetrates into an inner cavity of the clamp body 1, a liquid outlet end of the liquid injection hole is positioned at a gap between the piston 4 and the clamp body 1, the shaft sealing rings 3 and Kong Yongge are respectively connected to the piston 4, and the shaft sealing rings 5 are positioned at two sides of the gap between the piston 4 and the clamp body 1;

the piston 4 is provided with a guide ring 6, and the guide ring 6 is in sliding connection with the inner wall of the holder body 1;

the piston 4 is pushed to move through the elasticity of the disc spring 9 in the clamp holder, and then the piston 4 drives the slips 2 to move, and the drilling tool is clamped fast through the slips 2, by adopting the structure, the moving stroke of the slips 2 can be adjusted appropriately, and then the clamp holder can clamp drilling tools of various types, so that the whole practicability of the clamp holder is greatly improved, the problem that the traditional clamp holder is single in fixing mode and only can be used for fixing drilling tools of single type is solved, and when the slips 2 are required to be loosened, the piston 4 is pushed to move reversely through the action of oil pressure, and then the slips 2 are driven to move to unlock the clamped drilling tool, so that the practicability of the clamp holder is further improved.

Example 2: as shown in fig. 1 to 4, this embodiment includes, in addition to all the technical features of embodiment 1:

the first elastic washer 12 is sleeved on the inner hexagonal socket head cap screw 11, and the inner hexagonal socket head cap screw 11 is tightly supported through the elasticity of the first elastic washer 12, so that looseness of the inner hexagonal socket head cap screw is avoided.

One side of the holder body 1, which is close to the slips 2, is screwed and connected with a hexagon head bolt 15, and a second elastic washer 17 is sleeved on the hexagon head bolt 15, so that the piston 4 can be locked through the hexagon head bolt 15.

When the clamp holder assembly is used, oil is injected into the inner cavity of the clamp holder body 1 through the injection hole 20, the piston 4 is pushed to move through oil pressure, the slips 2 are driven to move, then a drilling tool is placed between two adjacent slips 2, the oil pressure is eliminated at the moment, the piston 4 moves reversely under the action of the elasticity of the disc spring 9, the slips 2 are driven to clamp the drilling tool, and finally the piston 4 is locked through the hexagon head bolt 15.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. The utility model provides an oversized stroke holder assembly, includes holder body (1), guide rail (18) and fixing base (21), its characterized in that, holder body (1) are the symmetry and are provided with two sets of to be provided with upper cover plate (13) on the top of two sets of holder bodies (1), the front end of two sets of holder bodies (1) is provided with baffle (14), and the bottom is provided with apron (19) down to run through in baffle (14) center department and be provided with circular through-hole, guide rail (18) are connected at apron (19) both ends down, fixing base (21) are connected on guide rail (18), be connected with on the one end lateral wall of holder body (1) joint (10) and interior hexagonal plug screw (22), its two symmetry sets up to be provided with fixed pin (23) on the lateral wall of the holder body (1) other end, fixed pin (23) are connected with cotter pin (16), the inside of holder body (1) is provided with clamping mechanism, clamping mechanism includes slips (2) and piston (4), piston (4) sliding connection is in the inside of holder body (1), inside of slip (2) is provided with the inside of the piston (4).

2. An oversized trip holder assembly as defined in claim 1, wherein: the clamping mechanism further comprises a disc spring (9), wherein the disc spring (9) is arranged in the inner cavity of the clamp body (1), one end of the disc spring is abutted to the clamp body (1), and the other end of the disc spring is abutted to the piston (4).

3. An oversized trip holder assembly as defined in claim 1, wherein: the oil pressure release mechanism comprises a sealing ring (3) for a shaft, a Kong Yongge Laiying ring (5), an end cover (8), an inner hexagonal cylindrical head screw (11) and a liquid injection hole (20), wherein the end cover (8) is connected to the clamp body (1) through the inner hexagonal cylindrical head screw (11) and is far away from one end of the slip (2), the liquid injection hole (20) is arranged on the end cover (8) and penetrates through an inner cavity of the clamp body (1), a liquid outlet end of the liquid injection hole is located at a gap between the piston (4) and the clamp body (1), the sealing ring (3) for the shaft and the Kong Yongge Laiying ring (5) for the shaft are respectively connected to the piston (4), and the liquid injection hole is located at two sides of the gap between the piston (4) and the clamp body (1).

4. An oversized trip holder assembly as defined in claim 1, wherein: the piston (4) is provided with a guide ring (6), and the guide ring (6) is in sliding connection with the inner wall of the holder body (1).

5. An oversized trip holder assembly according to claim 3, characterized in that: the hexagonal socket head cap screw (11) is sleeved with a first elastic washer (12).

6. An oversized trip holder assembly as defined in claim 1, wherein: one side of the clamp holder body (1) close to the slips (2) is screwed and connected with a hexagon head bolt (15), and a second elastic washer (17) is sleeved on the hexagon head bolt (15).