CN220825689U

CN220825689U - Coupler machining clamp

Info

Publication number: CN220825689U
Application number: CN202322500756.XU
Authority: CN
Inventors: 李春林; 张先鑫; 薛康
Original assignee: Taicang Wopute Machinery Technology Co ltd
Current assignee: Taicang Wopute Machinery Technology Co ltd
Priority date: 2023-09-14
Filing date: 2023-09-14
Publication date: 2024-04-23
Anticipated expiration: 2033-09-14

Abstract

The utility model relates to the technical field of coupler clamps, in particular to a coupler machining clamp which comprises a positioning piece fixedly connected with the surface of a workbench and a plurality of clamping rods moving on the positioning piece, wherein a guide piece is fixedly arranged on the inner wall of the positioning piece; the user firstly places the coupler between the guide piece and the strip, then rotates the second rotary handle to drive the long strip to tightly attach the outer peripheral surface of the coupler, the friction force applied by the long strip is utilized to prevent the coupler from rotating and moving axially, and then rotates the second rotary handle to drive the jacking column to tightly attach the strip comprising the coupler, so that the radial movement of the coupler is limited, and the aim of clamping the coupler is achieved.

Description

Coupler machining clamp

Technical Field

The utility model relates to the technical field of coupler clamps, in particular to a coupler machining clamp.

Background

The coupling is a mechanical part for firmly connecting a driving shaft and a driven shaft (working part) in different mechanisms to rotate together and transmitting motion and torque, and is usually composed of two halves, which are respectively connected by keys or tight fit, fastened at two shaft ends, and then the two halves of the coupling are jointly connected by a soft connection mode (such as rubber or polyurethane elastic blocks and pins), so that the coupling can be used for compensating the connection between the two shafts, and can also have the functions of compensating deflection (including axial deflection, radial deflection, angular deflection or comprehensive deflection) caused by inaccurate manufacturing and installation, deformation or thermal expansion during working, and the like, and relieving impact, vibration absorption, and the like.

Couplings of the prior art are as follows: in the patent publication nos. CN214641978U, CN217317033U, CN217801237U, etc., a clamping force is applied to the surface of the coupling by using a rod-shaped component when the coupling is clamped, and the contact area between the coupling and the coupling is small, so that the problem of surface damage caused by excessive contact stress when the hardness of the coupling material is insufficient is present.

The above information disclosed in the background section is only for enhancement of understanding of the background of the disclosure and therefore it may include information that does not form the prior art that is already known to a person of ordinary skill in the art.

Disclosure of utility model

The utility model aims to design a coupler processing clamp which increases the contact area when the coupler is clamped, and ensures that the contact stress of the coupler cannot damage the surface of the coupler on the premise of clamping the coupler, so as to solve the defects in the technology.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a shaft coupling adds clamping apparatus, includes the setting element with workstation surface fixed connection to and a plurality of clamp levers of locating element upward movement, setting element inner wall fixed mounting has the guide, and guide one side fixedly connected with rectangular area, rectangular area one end run through the setting element and with locating element sliding connection, a plurality of clamp levers are the annular array distribution on the setting element, installs the tensioning subassembly that drives long strip and keep away from the setting element on the setting element outer wall, and rectangular area encircles after being strained on the shaft coupling outer peripheral face, restricts shaft coupling and rectangular area relative rotation through frictional force, a plurality of clamp lever tops contact with rectangular area surface, restriction shaft coupling removes;

the user places the coupling in rectangular area, wrap up the coupling outer peripheral face with rectangular area, then drive long area through tensioning assembly and remove outward the setting element, thereby tightly wrap up the coupling outer peripheral face, utilize frictional force to prevent the coupling rotation, then rotate the clamping lever and be close to long area, make the clamping lever top contact with the rectangular area of parcel coupling, thereby restrict the coupling removal, exert stronger force to the coupling surface through the clamping lever in relative prior art, thereby form frictional force and carry out displacement on circumference and other directions to the coupling, because contact area with the coupling surface is little when exerting the stress, lead to its contact stress big, can cause extrusion damage to the coupling surface, clamping lever in this product only plays the limiting action, do not exert the clamp force, only restrict its removal, and utilize the long area of parcel coupling to press from both sides its clamp with the contact stress who receives that reduces it, thereby solve the problem that the coupling outer peripheral face receives the coupling contact stress damage when preventing the circumferential rotation of coupling.

Preferably, the positioning piece is in a circular shape, and a plurality of threaded through holes matched with the clamping rods in number are formed in the positioning piece;

the clamping rods are distributed in a circumferential array by using the annular positioning pieces.

Preferably, the clamping rod comprises a threaded rod in threaded connection with the threaded through hole, a connecting block fixedly connected with the top end of the threaded rod, a jack post in external rotary connection with the connecting block, and a first rotary handle fixedly connected with one end of the threaded rod, which is far away from the jack post, and one end of the jack post, which is far away from the threaded rod, is in contact with the surface of the strip belt to generate a clamping force towards the middle part of the positioning piece;

The first rotary handle is rotated, the first rotary handle drives the threaded rod to rotate in the threaded through hole, the threaded rod drives the connecting block, and the connecting block drives the top column to be in contact with the surface of the strip belt; the first rotary handle can be continuously rotated, so that the jacking column applies clamping force to the strip belt, and applies clamping force to the surface of the coupler, and the coupler is further prevented from rotating.

Preferably, the tensioning assembly comprises a fixed block fixedly connected with the outer wall of the positioning piece, a blind hole formed in one side of the fixed block, a sliding block in sliding connection with the blind hole, an internal threaded hole formed in one end, close to the blind hole, of the sliding block, a threaded column in threaded connection with the internal threaded hole, and a second rotary handle fixedly connected with one end, far away from the blind hole, of the threaded column, one end of the threaded column penetrates through the positioning block and is rotationally connected with the fixed block, and one end, far away from the second rotary handle, of the sliding block is fixedly connected with the end part, penetrating through the strip belt of the positioning piece;

Through rotating the second spiral handle, the second spiral handle drives the screw thread post and rotates, and the screw thread post passes through the cooperation with the screw hole, drives the sliding block and slides in the blind hole, and when the sliding block outwards slides towards the blind hole, the sliding block drives rectangular area and keeps away from the setting element to tie up the shaft coupling surface, prevent the shaft coupling rotation with this frictional force that provides.

Preferably, the blind hole is rectangular, and a sliding block in sliding connection with the blind hole is rectangular matched with the blind hole;

By utilizing the rectangular blind holes and the sliding blocks, when the threaded column rotates, the sliding blocks can only slide in the blind holes.

Preferably, one side of the guide piece, which is far away from the tensioning assembly, is fixedly connected with the strip belt, the same side of the guide piece is provided with a through hole penetrating through the guide piece and the positioning piece, the cross section shape of the through hole is the same as that of the strip belt, and the strip belt is in sliding connection with the through hole;

the through holes are used for the strip belts to extend out so as to be fixedly connected with the sliding blocks, so that the two ends of the strip belts can be positioned on the same side of the guide piece.

In the technical scheme, the utility model has the technical effects and advantages that:

1. The user firstly places the coupler between the guide piece and the strip belt, then rotates the second rotary handle to drive the strip belt to tightly attach the outer peripheral surface of the coupler, the friction force applied by the strip belt is used for preventing the coupler from rotating and moving axially, and then rotates the second rotary handle to drive the jacking column to tightly attach the strip belt comprising the coupler, so that the radial movement of the coupler is limited, and the aim of clamping the coupler is achieved;

2. The product is closely laminated to the shaft coupling surface through rectangular area, utilizes the frictional force that large tracts of land contact produced to prevent its axial displacement and circumferential direction, and the clamping lever plays the purpose of restriction radial movement, and for the clamping lever is exerted the clamping force to the shaft coupling surface among the prior art, leads to its contact stress great, if shaft coupling material hardness is not enough, and its external surface can exist the risk of damage, this product then has avoided contact stress great, leads to the problem of its surface damage, also can play the clamping action.

3. The product can adjust the tensioning length of the strip belt according to the outer diameter size of the coupler, thereby adapting to couplers with different sizes.

Drawings

For a clearer description of embodiments of the present utility model or technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

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

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

fig. 3 is a split cross-sectional view of the present utility model.

Reference numerals illustrate:

1. A positioning piece; 2. a clamping rod; 201. a threaded rod; 202. a connecting block; 203. a top column; 204. a first rotary handle; 3. a guide member; 4. a long strip; 5. a tensioning assembly; 501. a fixed block; 502. a blind hole; 503. a sliding block; 504. an internal threaded hole; 505. a threaded column; 506. a second rotary handle; 6. a threaded through hole; 7. and a through hole.

Detailed Description

In order to enable those skilled in the art to better understand the technical solutions of the present application, the technical solutions of the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

As shown in fig. 1-3, the positioning device comprises a circular positioning piece 1 fixedly connected with the surface of a workbench, a plurality of threaded through holes 6 are formed in the positioning piece 1, a threaded rod 201 is connected in the threaded through holes 6 in a threaded manner, a connecting block 202 is fixedly connected to the top end of the threaded rod 201, a jack post 203 is connected to the connecting block 202 in an outward rotating manner, one end, far away from the jack post 203, of the threaded rod 201 is fixedly connected with a first rotary handle 204, a guiding piece 3 is fixedly arranged on the inner wall of the positioning piece 1, one side of the guiding piece 3 is fixedly connected with a long strip 4, the same side of the guiding piece 3 is provided with a through hole 7 penetrating through the guiding piece 3 and the positioning piece 1, the long strip 4 is in sliding connection with the through hole 7, the outer wall of the positioning piece 1 is fixedly connected with a fixed block 501, a rectangular blind hole 502 is formed in one side of the fixed block 501, a sliding block 503 is connected in a sliding manner with a sliding block 503 matched with the blind hole 502 in a sliding manner, an inner threaded hole 504 is formed in one end, near to the blind hole 502, a threaded post 505 is connected in a threaded manner, one end, far away from the blind hole 505 is fixedly connected with a second rotary handle 506, one end of the threaded post 505 is penetrated through one end of the threaded post 505 and is connected with a fixed block through the sliding block and is in a rotating manner, and is connected with the fixed block 4.

The implementation mode specifically comprises the following steps: the user firstly places the coupler between the guide piece 3 and the strip 4, then rotates the second rotary handle 506 to enable the sliding block 503 to slide out towards the outside of the blind hole 502, thereby driving the strip 4 to tightly attach the outer peripheral surface of the coupler, preventing the coupler from rotating and moving axially by using the friction force exerted by the strip 4, and then rotating the second rotary handle 506, the second rotary handle 506 drives the threaded column 505 to rotate in the positioning piece 1, thereby driving the jacking column 203 to tightly attach with the strip 4 comprising the coupler, and limiting the radial movement of the coupler, thereby achieving the aim of clamping the coupler.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a shaft coupling adds clamping apparatus, includes setting element (1) with workstation surface fixed connection to and a plurality of clamp levers (2) of motion on setting element (1), its characterized in that: guide (3) are fixedly arranged on the inner wall of the positioning piece (1), one side of the guide (3) is fixedly connected with a long strip (4), one end of the long strip (4) penetrates through the positioning piece (1) and is in sliding connection with the positioning piece (1), a plurality of clamping rods (2) are distributed in an annular array on the positioning piece (1), tensioning assemblies (5) for driving the long strip (4) to be far away from the positioning piece (1) are arranged on the outer wall of the positioning piece (1), after the long strip (4) is wound on the outer peripheral surface of the coupler and tensioned, the coupler and the long strip (4) are limited to rotate relatively through friction force, and the top ends of the clamping rods (2) are in surface contact with the long strip (4) to limit the movement of the coupler.

2. The coupling machining fixture of claim 1, wherein: the locating piece (1) is arranged in a circular shape, and a plurality of threaded through holes (6) matched with the clamping rods (2) in number are formed in the locating piece (1).

3. The coupling machining fixture of claim 1, wherein: the clamping rod (2) comprises a threaded rod (201) in threaded connection with the threaded through hole (6), a connecting block (202) fixedly connected with the top end of the threaded rod (201), a top column (203) connected with the connecting block (202) in an outward rotating mode, and a first rotary handle (204) fixedly connected with one end of the threaded rod (201) away from the top column (203), wherein one end of the top column (203) away from the threaded rod (201) is in surface contact with the long strip (4) to generate clamping force towards the middle of the positioning piece (1).

4. A coupling machining jig according to claim 3, wherein: the tensioning assembly (5) comprises a fixed block (501) fixedly connected with the outer wall of the positioning piece (1), a blind hole (502) formed in one side of the fixed block (501), a sliding block (503) slidably connected in the blind hole (502), an internal threaded hole (504) formed in one end of the sliding block (503) close to the blind hole (502), a threaded column (505) in the internal threaded hole (504) and a second rotary handle (506) fixedly connected with one end of the threaded column (505) away from the blind hole (502), wherein one end of the threaded column (505) penetrates through the positioning block and is rotationally connected with the fixed block (501), and one end of the sliding block (503) away from the second rotary handle (506) is fixedly connected with the end of a strip belt (4) penetrating through the positioning piece (1).

5. The coupling machining fixture of claim 4, wherein: the blind holes (502) are rectangular, and sliding blocks (503) which are slidably connected with the blind holes (502) are rectangular matched with the blind holes.

6. The coupling machining fixture of claim 1, wherein: one side of the guide piece (3) far away from the tensioning assembly (5) is fixedly connected with the long strip (4), the same side of the guide piece (3) is provided with a through hole (7) penetrating through the guide piece (3) and the positioning piece (1), the cross section shape of the through hole (7) is the same as that of the long strip (4), and the long strip (4) is in sliding connection with the through hole (7).