CN111805271A

CN111805271A - Clamping device for dismounting

Info

Publication number: CN111805271A
Application number: CN202010755318.6A
Authority: CN
Inventors: 王涛; 肖丁; 胡丽娟; 孔繁启; 霍高飞; 左腾; 周发; 杨俊峰
Original assignee: Shanxi North Machine Building Co Ltd
Current assignee: Shanxi North Machine Building Co Ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2020-10-23

Abstract

The invention relates to a clamping device for disassembly and assembly, belonging to the technical field of engineering machinery; the method comprises the following steps: the device comprises a workbench (1), a guide rail (2) and a clamp (3); a table (1) for providing support for the clamping device; the guide rail (2) is used for adjusting the clamp (3) in the length direction so as to adapt to pieces to be clamped with different lengths; a clamp (3) for clamping the piece to be clamped; the guide rail (2) is fixedly arranged on the workbench (1), and the clamp (3) is movably arranged on the guide rail (2). Compared with the prior art, the clamp has the advantages of simple structure, convenience in operation, capability of saving the manufacturing cost of the clamp and realization of a universal clamping function.

Description

Clamping device for dismounting

Technical Field

The invention relates to a clamping device for disassembly and assembly, and belongs to the technical field of engineering machinery.

Background

At present, after the outer cylinder is fixed by using a clamp when a certain product oil cylinder part is disassembled and assembled, the oil cylinder part is disassembled, disassembled and assembled, but because the difference of the outer diameter sizes of various oil cylinders is large, the clamping length is inconsistent, the clamps with different sizes are designed and manufactured according to needs at every time, the manufacturing cost of a special clamp is generated, the clamp is frequently converted, the assembly efficiency is reduced, and therefore a clamping device with high universality is urgently needed and can be operated conveniently and quickly.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, solve the clamping problem of oil cylinders with different overall dimensions during disassembly and assembly, and provide a clamping device for disassembly and assembly.

The purpose of the invention is realized by the following technical scheme.

A clamping device for disassembly and assembly, comprising: a workbench, a guide rail and a clamp;

a table for providing support for the clamping device;

the guide rail is used for adjusting the clamp in the length direction so as to adapt to pieces to be clamped with different lengths;

the clamp is used for clamping the piece to be clamped;

the guide rail is fixedly arranged on the workbench, and the clamp is movably arranged on the guide rail.

The working operation process of the device is as follows: and placing the to-be-clamped piece on the clamp for dismounting.

Preferably, the workbench has a leveling function and is realized by arranging a leveling mechanism on the supporting leg.

Preferably, the leveling mechanism comprises a base, an adjusting nut and a locking screw, the base is an upright post with a flat bottom, a hole for inserting the supporting leg of the workbench is formed in the upright post, a groove for inserting the locking screw is formed in the bottom of the supporting leg, a threaded through hole for screwing the locking screw in is formed in the side face of the upper part of the upright post, and an external thread is arranged on the upper side of the lower part of the supporting leg of the workbench for screwing the adjusting nut in; the supporting legs are adjusted up and down in the base through rotation of the adjusting nuts, and the relative positions of the supporting legs and the base are fixed through the locking screws after the positions of the supporting legs are adjusted.

Preferably, in order to facilitate the adjustment of the height of the leg by the adjusting nut, a handle is provided on the adjusting nut.

Preferably, the clamp comprises a V-shaped base, a chain winding shaft, a lead screw, a handle and a chain fixing pin;

the V-shaped base is used for providing fixed support for the to-be-clamped piece from the lower side, the chain is used for fastening the to-be-clamped piece to the V-shaped base from the upper side, one end of the chain is fixed on the V-shaped base through a chain fixing pin, and the other end of the chain bypasses a chain winding shaft and is connected with the lead screw; the set screw is clamped in the screw rod groove, so that the screw rod can only move along the axial direction and can not rotate; the handle is fixedly connected with the lead screw to drive the lead screw to move inwards and outwards so as to loosen or lock the chain.

Preferably, the bottom of the V-shaped base is provided with a sliding block which is used for freely sliding in the guide rail.

Preferably, the sliding block is provided with a bolt for locking the sliding block after the sliding block slides in place, and the clamp is fixed on the guide rail.

Advantageous effects

Compared with the prior art, the clamp has the advantages of simple structure, convenience in operation, capability of saving the manufacturing cost of the clamp and realization of a universal clamping function.

Drawings

FIG. 1 is a schematic structural view of a clamping device for disassembly and assembly according to the present invention;

FIG. 2 is a schematic perspective view of a clamping device for disassembly and assembly according to the present invention;

FIG. 3 is a schematic view of the assembly structure of the clamp;

FIG. 4 is a perspective view of the clamp;

FIG. 5 is a schematic view of the structure of the leveling mechanism;

reference numerals: 1-a workbench; 2-a guide rail; 3, clamping; 11-a base; 12-an adjusting nut; 13-locking screws; 14-a handle; a 31-V shaped base; 32-a chain; 33-chain winding shaft; 34-a lead screw; 35-a handle; 36-set screws; 37-chain fixing pin.

Detailed Description

For the purpose of illustrating the objects, technical solutions and advantages of the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Example 1

As shown in fig. 1, which is a schematic view of the composition structure of the present invention, and fig. 2 is a schematic view of the three-dimensional structure of the present invention, a clamping device for disassembly and assembly comprises: the device comprises a workbench 1, a guide rail 2 and a clamp 3;

the workbench 1 is used for fixing the guide rail and providing an operation platform for dismounting;

preferably, the workbench 1 has a leveling function and is realized by arranging a leveling mechanism on the supporting leg.

The leveling mechanism may take many forms, such as providing screws on the legs, or providing hydraulic rods on the legs, etc.

Preferably, in order to provide the leveling mechanism with good bearing and firmness, as shown in fig. 5, the leveling mechanism of this embodiment comprises a base 11, an adjusting nut 12 and a locking screw 13, wherein the base 11 is a column with a flat bottom, a hole for inserting the working platform leg is formed in the column, a groove for inserting the locking screw 13 is formed in the bottom of the leg, a threaded through hole for screwing in the locking screw 13 is formed in the side surface of the upper part of the column, and an external thread is formed on the upper side of the lower part of the working platform leg for screwing in the adjusting nut 12; the up-and-down adjustment of the supporting leg in the base is realized through the rotation of the adjusting nut 12, and the relative position of the supporting leg and the base 11 is fixed through the locking screw 13 after the position adjustment is finished.

The guide rails 2 are used for adjusting the length range of the front clamp and the rear clamp for clamping the to-be-clamped piece, and the inner sides of the two guide rails after assembly provide parallel sliding spaces for the clamps 3 to ensure the requirement on clamping coaxiality;

the clamp 3 is used for clamping parts to be clamped with different diameters, such as oil cylinder parts, is divided into a front clamp and a rear clamp and is a main working part of the device;

preferably, as shown in fig. 3 and 4, the clamp 3 includes a V-shaped base 31, a chain 32, a chain winding shaft 33, a lead screw 34, a handle 35, and a chain fixing pin 37;

the V-shaped base 31 is used for providing fixing support for the piece to be clamped from the lower side, the chain 32 is used for fastening the piece to be clamped to the V-shaped base 31 from the upper side, one end of the chain 32 is fixed on the V-shaped base 31 through a chain fixing pin 37, and the other end of the chain passes around a chain winding shaft 33 and is connected with a lead screw 34; the set screw 36 is clamped in the groove of the screw rod 34, so that the screw rod 34 can only move along the axial direction and can not rotate; a handle 35 is fixedly connected to the lead screw 34 to move the lead screw 34 inward and outward, thereby loosening or locking the chain.

Preferably, the bottom of the V-shaped base 31 is provided with a sliding block for freely sliding in the guide rail.

Preferably, be equipped with the bolt on the slider, be used for the slider slides and puts in place the back with its locking, and mounting fixture 3 is in guide rail 2, and the inside T type groove that is equipped with of guide rail 2 simultaneously, and the bolt of the anchor clamps 3 of being convenient for slides.

Of course, without being limited thereto, the slide block may be fixed by a screw by forming a through hole in a portion of the slide block above the guide rail 2.

The connection relationship among the components is as follows: the guide rail 2 is fixed on the workbench 1 through a screw and a positioning pin; the bottom of the clamp 3 is embedded in the guide rail groove, and the clamp 3 can slide in parallel along the guide rail 2 and is fixed on the guide rail 2 through bolts and nuts.

The specific working process of the device is described by taking the device for clamping the oil cylinder part as an example:

firstly, the workbench is basically horizontal through adjustment of an adjusting nut 12 at the lower part of the workbench 1, a clamping position is determined according to the length of an oil cylinder piece, the front clamp 3 and the rear clamp 3 slide on the guide rail 2 to a clamping position, and the nuts on the clamps 3 are screwed down to fix the front clamp 3 and the rear clamp 3. One end of the chain 32 is fixed on the V-shaped base 31 through a chain fixing pin 37, and the other end of the chain is wound around the chain winding shaft 33 and connected with a lead screw 34; set screw 36 snaps into the groove of lead screw 34, allowing lead screw 34 to move only in an axial direction without rotation. Handle 35 of preceding, back anchor clamps 3 of anticlockwise rotation drives lead screw 34 and moves to the inboard and make chain 32 loosen, places the hydro-cylinder on the V type base 31 of anchor clamps, along clockwise rotation handle 35 drive lead screw 34 lateral movement and lock the chain in order to fix the work piece, realizes the clamping function, can carry out the dismouting of spare part afterwards.

Example 2

A clamping device for dismounting is shown in figures 3 and 4 and comprises a V-shaped base 31, a chain 32, a chain winding shaft 33, a lead screw 34, a handle 35 and a chain fixing pin 37;

During operation, the V-shaped base 31 is fixedly arranged on the operation platform.

The clamping device can clamp the clamping pieces to be clamped with different dimensions through the expansion and contraction of the chain 32. Preferably, in order to firmly fix the member to be clamped, the length of the V-shaped base 31 is matched with that of the member to be clamped, and a plurality of chains 32 are arranged on the V-shaped base 31 and are clamped from a plurality of positions in front of, behind or in the middle of the member to be clamped.

In order to reduce the weight of the clamping device, preferably, the device further comprises 2 parallel sliding rails, and at least 2V-shaped bases 31 are fixed on the operating platform through the sliding rails.

In order to illustrate the contents and embodiments of the present invention, specific examples are given herein. The details introduced in the examples are not intended to limit the scope of the claims but to assist in understanding the present invention. Those skilled in the art will understand that: various modifications, changes or substitutions to the preferred embodiment steps are possible without departing from the spirit and scope of the invention and its appended claims. Therefore, the present invention should not be limited to the disclosure of the preferred embodiments and the accompanying drawings.

Claims

1. A clamping device for dismouting which characterized in that: the method comprises the following steps: the device comprises a workbench (1), a guide rail (2) and a clamp (3);

a table (1) for providing support for the clamping device;

the guide rail (2) is used for adjusting the clamp (3) in the length direction so as to adapt to pieces to be clamped with different lengths;

a clamp (3) for clamping the piece to be clamped;

the guide rail (2) is fixedly arranged on the workbench (1), and the clamp (3) is movably arranged on the guide rail (2).

2. The apparatus of claim 1, wherein: the workbench (1) has the function of adjusting the level and is realized by arranging a leveling mechanism on the supporting leg.

3. The apparatus of claim 2, wherein: the leveling mechanism comprises a base (11), an adjusting nut (12) and a locking screw (13), the base (11) is an upright post with a flat bottom, a hole for inserting a supporting leg of the workbench (1) is formed in the base, a groove for inserting the locking screw (13) is formed in the bottom of the supporting leg, a threaded through hole for screwing the locking screw (13) is formed in the side face of the upper portion of the upright post, and an external thread is arranged on the upper side of the lower portion of the supporting leg of the workbench (1) and used for screwing the adjusting nut (12); the supporting legs are adjusted up and down in the base (11) through rotation of the adjusting nuts (12), and after the positions are adjusted, the relative positions of the supporting legs and the base (11) are fixed through the locking screws (13).

4. The apparatus of claim 3, wherein: a handle (14) is arranged on the adjusting nut (12).

5. The apparatus of claim 1, wherein: the clamp (3) comprises a V-shaped base (31), a chain (32), a chain winding shaft (33), a lead screw (34), a handle (35) and a chain fixing pin (37);

the V-shaped base (31) is used for providing fixed support for the piece to be clamped from the lower side, the chain (32) is used for fastening the piece to be clamped to the V-shaped base (31) from the upper side, one end of the chain (32) is fixed on the V-shaped base (31) through a chain fixing pin (37), and the other end of the chain (32) bypasses a chain winding shaft (33) and is connected with a lead screw (34); the set screw (36) is clamped in the groove of the screw rod (34), so that the screw rod (34) can only move along the axial direction and can not rotate; the handle (35) is fixedly connected with the lead screw (34) to drive the lead screw (34) to move inwards and outwards so as to loosen or lock the chain (32).

6. The apparatus of claim 5, wherein: and a sliding block is arranged at the bottom of the V-shaped base (31) and is used for freely sliding in the guide rail (2).

7. The apparatus of claim 6, wherein: and the sliding block is provided with a bolt for locking the sliding block after the sliding block slides in place, and the clamp (3) is fixed on the guide rail (2).

8. A clamping device for dismouting which characterized in that: comprises a V-shaped base (31), a chain (32), a chain winding shaft (33), a lead screw (34), a handle (35) and a chain fixing pin (37);

9. The apparatus of claim 8, wherein: a plurality of chains (32) are arranged on the V-shaped base (31).

10. The apparatus of claim 8, wherein: the device also comprises 2 parallel slide rails, and at least 2V-shaped bases (31) are fixed on the operating platform through the slide rails.