CN212217976U

CN212217976U - Be used for axle type external grinding quick replacement drive anchor clamps

Info

Publication number: CN212217976U
Application number: CN202020692624.5U
Authority: CN
Inventors: 饶为沐; 涂启纯
Original assignee: Suzhou Wejoin Machinery & Electrical Technology Co ltd
Current assignee: Suzhou Wejoin Machinery & Electrical Technology Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-12-25
Anticipated expiration: 2030-04-29

Abstract

The utility model belongs to the anchor clamps field, especially, be used for axle type external grinding quick replacement driving fixture, including main shaft and fixed mounting there is the fixed disk at main shaft one end fixed mounting, the anchor clamps body is installed to one side of fixed disk, and the constant head tank has been seted up to one side of anchor clamps body, and one side fixed mounting of fixed disk has the positioning seat, and positioning seat and the constant head tank looks adaptation that corresponds, and the first groove that two symmetries set up is seted up to one side of fixed disk, and slidable mounting has L shape clamp plate in the first groove, and L shape clamp plate and the anchor clamps body looks adaptation that corresponds, and the equal fixed mounting in one side that two L shape clamp plates kept away from each other has fixing spring's one end, fixing. The utility model relates to a rationally, even when fixing bolt takes place not hard up, this moment under the effect of L shape clamp plate, can prevent not hard up of anchor clamps body to be convenient for to stable installation and the change of anchor clamps body.

Description

Be used for axle type external grinding quick replacement drive anchor clamps

Technical Field

The utility model relates to an anchor clamps technical field especially relates to a be used for axle type external grinding circle quick replacement driving clamp.

Background

At present, when processing and grinding the excircle of the shaft part, a special chuck is usually adopted to clamp the end part, the workpiece is driven to rotate by pulling a pin on the chuck, and through retrieval, the patent document with the authorization publication number of CN207710444U discloses a quick replacement driving clamp for the excircle of the shaft part, a flange plate is connected with a main shaft of a machine tool through a bolt, the clamp is arranged on the machine tool through the bolt, the flange plate is concentric with the connecting diameter of the positioning tip, the clamp is concentric with the positioning tip, three positioning blocks are arranged on the end face of the clamp, the three positioning blocks are equally divided by 120 degrees along the circumferential direction, the three positioning blocks are provided with spiral inclined planes forming an angle of 45 degrees, an object of the utility model is to provide a reasonable in design, simple structure, can not only realize quick replacement driving clamp, realize the automatic centering of work piece, the on-line measuring reaches being used for axle type external grinding quick replacement driving clamp of mistake proofing function.

But above-mentioned design still has the shortcoming, and anchor clamps carry out fixed mounting through the bolt in above-mentioned design, and in the use, when the bolt is not hard up, can cause not hard up of anchor clamps to influence normal use, increase the cost and the time of maintenance, there is not convenient to carry out stable change to anchor clamps, and is not convenient for prevent the not hard up problem of anchor clamps, therefore we have proposed a quick replacement driving clamp for axle type external grinding circle and have been used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the prior art is inconvenient to change the clamp stably and is inconvenient to prevent the loose defect of the clamp, and the provided driving clamp for quickly replacing the grinding excircle of the shaft.

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

a quick replacement driving clamp for shaft type excircle grinding comprises a main shaft and a fixed disc fixedly installed at one end of the main shaft, wherein a clamp body is installed at one side of the fixed disc, a positioning groove is formed in one side of the clamp body, a positioning seat is fixedly installed at one side of the fixed disc and is matched with the corresponding positioning groove, two first grooves which are symmetrically arranged are formed in one side of the fixed disc, L-shaped pressing plates are slidably installed in the first grooves and are matched with the corresponding clamp body, one ends of fixing springs are fixedly installed at the sides, far away from each other, of the two L-shaped pressing plates, the other ends of the fixing springs are fixedly installed on the inner wall of the first grooves, one ends, close to each other, of the two L-shaped pressing plates are fixedly installed with one ends of pull rods, the other ends of the pull rods extend to the outer side of the fixed, threaded holes are formed in the L-shaped pressing plates, fixing bolts are installed in the threaded holes, the fixing bolts are matched with the corresponding fixing grooves, the same first hole is formed in one side, close to each other, of the two first grooves, an L-shaped rod is fixedly installed at the top of the other L-shaped pressing plate in the two L-shaped pressing plates, the L-shaped rod is slidably installed in the first holes, the same winding rod is fixedly installed on the inner walls of the two sides of the first hole, the bottom of the L-shaped rod is fixedly provided with one end of a steel wire rope, and the other end of the steel wire rope is wound around the winding rod and is fixedly connected onto one L-shaped pressing plate in the two.

Preferably, the inner walls of the two sides of the first groove are provided with limit grooves, the two sides of the L-shaped pressing plate are fixedly provided with limit seats, and the limit seats are connected with the corresponding limit grooves in a sliding manner.

Preferably, sliding grooves are fixedly arranged on the inner walls of the two sides of the first hole, sliding seats are fixedly arranged on the two sides of the L-shaped rod, and the sliding seats are connected with the corresponding sliding grooves in a sliding mode.

Preferably, a moving hole is formed in the top of one of the two first grooves, the pull rod is connected with the corresponding moving hole in a sliding mode, and the pull rod can stably move due to the fact that the moving hole is formed in the top of the first groove.

Preferably, the number of the fixing springs located on the same side is set to be three to five, and the three to five fixing springs are equally spaced.

In the utility model, when the clamp body is replaced, the pull plate is firstly moved upwards, one L-shaped pressing plate which can move upwards through the pull rod can be driven by one L-shaped pressing plate through the steel wire rope to move downwards, the other L-shaped pressing plate can be driven by the L-shaped pressing plate to move downwards, at the moment, the two L-shaped pressing plates can move towards the directions which are far away from each other, the L-shaped pressing plate can compress the fixing spring, then the clamp body is placed on one side of the fixing disc, so that the positioning seat can be clamped into the corresponding positioning groove, thereby positioning the clamp body, and by loosening the pull plate, the L-shaped pressing plate can be reset under the action of the fixing spring, so that the L-shaped pressing plate is clamped on the clamp body, thereby the clamp body can be preliminarily fixed, through rotating fixing bolt, under the effect of screw hole, can make fixing bolt rotate while removing, fixing bolt's removal can make fixing bolt can block into in the corresponding fixed slot to can strengthen the fixed to the anchor clamps body, even when fixing bolt takes place not hard up, under the effect of L shape clamp plate, can prevent not hard up of anchor clamps body this moment, thereby be convenient for change the anchor clamps body, and can prevent not hard up of anchor clamps body.

The utility model relates to a rationally, even when fixing bolt takes place not hard up, this moment under the effect of L shape clamp plate, can prevent not hard up of anchor clamps body to be convenient for to stable installation and the change of anchor clamps body.

Drawings

Fig. 1 is a schematic structural view of a quick replacement driving clamp for an external grinding circle of a shaft;

fig. 2 is a schematic structural view of a part a of a quick replacement driving clamp for an external grinding circle of a shaft;

fig. 3 is the utility model provides a B part schematic structure diagram for axle type external grinding circle quick replacement driving clamp.

In the figure: 1. a main shaft; 2. fixing the disc; 3. a clamp body; 4. positioning a groove; 5. positioning seats; 6. a first groove; 7. an L-shaped pressing plate; 8. fixing the spring; 9. a pull rod; 10. pulling a plate; 11. fixing grooves; 12. a threaded hole; 13. fixing the bolt; 14. a first hole; 15. an L-shaped rod; 16. a wire winding rod; 17. a steel cord.

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.

Referring to fig. 1-3, a quick replacement driving clamp for shaft type excircle grinding comprises a main shaft 1 and a fixed disk 2 fixedly installed at one end of the main shaft 1, a clamp body 3 is installed at one side of the fixed disk 2, a positioning groove 4 is formed at one side of the clamp body 3, a positioning seat 5 is fixedly installed at one side of the fixed disk 2, the positioning seat 5 is matched with the corresponding positioning groove 4, two first grooves 6 symmetrically arranged are formed at one side of the fixed disk 2, an L-shaped pressing plate 7 is slidably installed in the first grooves 6, the L-shaped pressing plate 7 is matched with the corresponding clamp body 3, one ends of fixing springs 8 are fixedly installed at the sides of the two L-shaped pressing plates 7 far away from each other, the other ends of the fixing springs 8 are fixedly installed on the inner wall of the first grooves 6, one ends of pull rods 9 are fixedly installed at the sides of the two L-shaped pressing plates 7 close to each, fixed slot 11 that two symmetries set up is seted up to one side of anchor clamps body 3, set up threaded hole 12 on the L shape clamp plate 7, fixing bolt 13 is installed to threaded hole 12 internal thread, and fixing bolt 13 and the 11 looks adaptations of fixed slot that correspond, same first hole 14 has been seted up to one side that two first grooves 6 are close to each other, the top fixed mounting of another L shape clamp plate 7 in two L shape clamp plates 7 has L shape pole 15, and L shape pole 15 slidable mounting is in first hole 14, fixed mounting has same wire winding pole 16 on the both sides inner wall of first hole 14, the bottom fixed mounting of L shape pole 15 has the one end of wire rope 17, wire rope 17's the other end is walked around wire winding pole 16 and fixed connection on one L shape clamp plate 7 in two L shape clamp plates 7.

The utility model discloses in, all seted up the spacing groove on the both sides inner wall of first groove 6, the equal fixed mounting in both sides of L shape clamp plate 7 has spacing seat, and spacing seat and the spacing groove sliding connection who corresponds.

The utility model discloses in, equal fixed mounting has the sliding tray on the both sides inner wall of first hole 14, and the equal fixed mounting in both sides of L shape pole 15 has the sliding seat, and sliding seat and the sliding tray sliding connection who corresponds.

The utility model discloses in, the removal hole has been seted up at the top in one first groove 6 in two first grooves 6, and pull rod 9 and the removal hole sliding connection that corresponds owing to be provided with the removal hole, can make pull rod 9 carry out stable removal.

The utility model discloses in, the quantity that lies in with the fixed spring 8 of one side sets up to three to five, and three to five fixed spring 8 equidistant settings.

In the utility model, when the clamp body 3 is moved, firstly the pulling plate 10 is moved upwards, the pulling plate 10 can move upwards through one L-shaped pressing plate 7 of the pulling rod 9, one L-shaped pressing plate 7 can drive the L-shaped rod 15 to move downwards through the steel wire rope 17, the L-shaped rod 15 can drive the other L-shaped pressing plate 7 to move downwards, at the moment, the two L-shaped pressing plates 7 can move towards the directions away from each other, the L-shaped pressing plate 7 can compress the fixing spring 8, then the clamp body 3 is placed on one side of the fixing disc 2, the positioning seat 5 can be clamped into the corresponding positioning groove 4, thereby the clamp body 3 can be positioned, the L-shaped pressing plate 7 can be reset under the action of the fixing spring 8 by loosening the pulling plate 10, the L-shaped pressing plate 7 is clamped on the clamp body 3, thereby the clamp body 3 can be preliminarily fixed, by rotating the fixing bolt 13, the fixing bolt 13 can be moved while rotating under the action of the threaded hole 12, and the movement of the fixing bolt 13 can enable the fixing bolt 13 to be clamped into the corresponding fixing groove 11, so that the fixing of the clamp body 3 can be enhanced, and even when the fixing bolt 13 is loosened, the loosening of the clamp body 3 can be prevented under the action of the L-shaped pressing plate 7, so that the clamp body 3 can be conveniently replaced, and the loosening of the clamp body 3 can be prevented.

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. A quick replacement driving clamp for shaft type excircle grinding comprises a main shaft (1) and a fixed disc (2) fixedly installed at one end of the main shaft (1), and is characterized in that a clamp body (3) is installed at one side of the fixed disc (2), a positioning groove (4) is formed in one side of the clamp body (3), a positioning seat (5) is fixedly installed at one side of the fixed disc (2), the positioning seat (5) is matched with the corresponding positioning groove (4), two first grooves (6) which are symmetrically arranged are formed in one side of the fixed disc (2), an L-shaped pressing plate (7) is slidably installed in each first groove (6), the L-shaped pressing plate (7) is matched with the corresponding clamp body (3), one end of a fixing spring (8) is fixedly installed at one side, away from each other, of the two L-shaped pressing plates (7), the other end of the fixing spring (8) is fixedly installed on the inner wall of each first groove (6, one side of each L-shaped pressing plate (7) close to each other is fixedly provided with one end of a pull rod (9), the other end of each pull rod (9) extends to the outer side of the fixed disc (2), one side of the fixture body (3) is provided with two symmetrically arranged fixed grooves (11), each L-shaped pressing plate (7) is provided with a threaded hole (12), a fixed bolt (13) is arranged in the threaded hole (12), the fixed bolt (13) is matched with the corresponding fixed groove (11), one side of each first groove (6) close to each other is provided with a same first hole (14), the top of the other L-shaped pressing plate (7) in the two L-shaped pressing plates (7) is fixedly provided with an L-shaped rod (15), the L-shaped rod (15) is slidably arranged in the first hole (14), the inner walls of the two sides of the first hole (14) are fixedly provided with a same winding rod (16), the bottom of the L-shaped rod (15) is fixedly provided with one end of a, the other end of the steel wire rope (17) bypasses the winding rod (16) and is fixedly connected to one L-shaped pressing plate (7) of the two L-shaped pressing plates (7).

2. The quick replacement driving clamp for the shaft excircle grinding of claim 1, wherein the inner walls of the two sides of the first groove (6) are respectively provided with a limiting groove, the two sides of the L-shaped pressing plate (7) are respectively and fixedly provided with a limiting seat, and the limiting seats are in sliding connection with the corresponding limiting grooves.

3. The quick replacement driving clamp for the shaft excircle grinding of claim 1, wherein the inner walls of the two sides of the first hole (14) are fixedly provided with sliding grooves, the two sides of the L-shaped rod (15) are fixedly provided with sliding seats, and the sliding seats are slidably connected with the corresponding sliding grooves.

4. The quick-change driving clamp for the shaft excircle grinding is characterized in that a moving hole is formed at the top of one first groove (6) of the two first grooves (6), and the pull rod (9) is in sliding connection with the corresponding moving hole.

5. The quick-change driving clamp for the excircle grinding of shafts as claimed in claim 1, characterized in that the number of the fixing springs (8) on the same side is three to five, and the three to five fixing springs (8) are arranged at equal intervals.