CN216325188U

CN216325188U - Detachable chuck for numerical control machine tool

Info

Publication number: CN216325188U
Application number: CN202122077641.5U
Authority: CN
Inventors: 郭鹏辉
Original assignee: Individual
Current assignee: Weikairui Precision Industry Dalian Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-04-19
Anticipated expiration: 2031-08-31

Abstract

The utility model discloses a detachable chuck for a numerical control machine tool, which comprises a chuck body, wherein a square groove is formed in the surface of the chuck body, a movable clamping jaw is detachably mounted on the surface of the square groove, a round hole is formed in the surface of the chuck body, a T-shaped pin is detachably mounted on the side surface of the chuck body, a bolt is mounted on the inner wall of the round hole in a threaded manner, a transmission disc is embedded and mounted in the chuck body, a gear groove is formed in the bottom of the transmission disc, and a positioning block is fixedly connected to the bottom of the chuck body. In the scheme, the claw and the toothed transmission plate are arranged, so that the claw can be continuously used after being worn, the position of the claw on the toothed transmission plate is adjusted, the service life of the claw is prolonged, and the effect of saving the production cost is achieved; the clamping jaws can be freely detached by arranging the transverse fixing plate, the original step of changing the clamping jaws by using the tooth-shaped transmission plate is avoided, the changing time is greatly saved, and the effect of improving the working efficiency is achieved.

Description

Detachable chuck for numerical control machine tool

Technical Field

The utility model relates to the technical field of chucks, in particular to a detachable chuck for a numerical control machine tool.

Background

The chuck is a mechanical device used for clamping workpieces on a machine tool, clamping and positioning of the workpieces are carried out by using clamping jaws which are uniformly distributed on a chuck body, the chuck is usually installed on a lathe, a cylindrical grinding machine and an internal grinding machine for use, the chuck is generally divided into three jaws, four jaws and the like, the workpieces are fastened by using the clamping jaws which move simultaneously, so that the stability is kept in the production process, the finished product rate of polishing the workpieces is improved, and the yield of an excellent workpiece cannot be separated from the chuck with an excellent fastening effect.

However, in practical use, there still exist some disadvantages, such as: the processing precision of the clamping jaw is not accurate enough due to abrasion, a large amount of waste is generated due to normal replacement, and the consumption of cost is increased; the claw is troublesome to replace, a series of tools such as T-shaped pins and the like are needed, the process is complicated, and the expenditure of time cost is increased.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defects in the prior art, embodiments of the present invention provide a detachable chuck for a numerical control machine tool, so as to solve the problem of cumbersome replacement of the jaws in the prior art.

In order to solve the technical problems, the utility model provides the following technical scheme: a detachable chuck for a numerical control machine tool comprises a chuck body, wherein a square groove is formed in the surface of the chuck body, a movable clamping jaw is detachably mounted on the surface of the square groove, a round hole is formed in the surface of the chuck body, a T-shaped pin is detachably mounted on the side surface of the chuck body, a bolt is mounted on the inner wall of the round hole in a threaded manner, a transmission disc is mounted in the chuck body in an embedded manner, a gear groove is formed in the bottom of the transmission disc, a positioning block is fixedly connected to the bottom of the chuck body, a fixing column is fixedly connected to the inside of the chuck body, a linkage block is movably mounted in the fixing column, and an opposite groove is formed in the linkage block;

the movable clamping jaw comprises a toothed transmission plate, a pillar is fixedly connected to the surface of the toothed transmission plate, a clamping jaw block is detachably mounted on the surface of the pillar, a transverse fixing plate is fixedly mounted on the surface of the toothed transmission plate, a screw hole is formed in the surface of the transverse fixing plate, and a pressing plate is fixedly connected to the inner wall of the transverse fixing plate.

The screw is installed to the inner wall screw thread of screw, and the surface screw thread of screw installs the nut.

The bottom of the linkage block is fixedly connected with a spring, and one end of the spring is fixedly connected with a gear.

The movable clamping jaws are four in number and are distributed on the surface of the square groove through the circle center polar axis of the chuck body.

The number of the support columns is four, and the four support columns are distributed on the surface of the toothed transmission plate from left to right.

The size of the square groove is matched with that of the movable clamping jaw, and the size of the round hole is matched with that of the bolt.

The surface of the transmission disc is provided with a thread groove, the thread groove is matched with the toothed transmission plate, the top end of the T-shaped pin is fixedly connected with a protrusion, and the protrusion is matched with the opposite groove.

Wherein, the inner wall of the transverse fixing plate is arranged into a rough surface structure.

The technical scheme of the utility model has the following beneficial effects:

in the scheme, the claw and the toothed transmission plate are arranged, so that the claw can be continuously used after being worn, the position of the claw on the toothed transmission plate is adjusted, the service life of the claw is prolonged, and the effect of saving the production cost is achieved; the clamping jaws can be freely detached by arranging the transverse fixing plate, the original step of changing the clamping jaws by using the tooth-shaped transmission plate is avoided, the changing time is greatly saved, and the effect of improving the working efficiency is achieved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic perspective view of the assembled structure of the present invention;

FIG. 3 is a schematic view of the structure of the transmission disc and the chuck body of the present invention;

FIG. 4 is a schematic view of the gear assembly of the present invention;

fig. 5 is a schematic view of the movable jaw structure of the present invention.

[ reference numerals ]

1. A chuck body; 2. a square groove; 3. a movable jaw; 4. a circular hole; 5. a T-shaped pin; 6. a bolt; 7. a drive plate; 8. a gear groove; 9. positioning blocks; 10. fixing a column; 11. a linkage block; 12. a butt groove; 13. a spring; 14. a gear; 31. a toothed transmission plate; 32. a pillar; 33. a jaw block; 34. a transverse fixing plate; 35. a screw hole; 36. pressing the plate; 37. a screw; 38. and a nut.

Detailed Description

In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.

The embodiment of the utility model provides a detachable chuck for a numerical control machine tool as shown in the attached drawings 1 to 5, which comprises a chuck body 1, wherein a square groove 2 is formed in the surface of the chuck body 1, a movable clamping jaw 3 is detachably mounted on the surface of the square groove 2, a round hole 4 is formed in the surface of the chuck body 1, a T-shaped pin 5 is detachably mounted on the side surface of the chuck body 1, a bolt 6 is mounted on the inner wall of the round hole 4 in a threaded manner, a transmission disc 7 is mounted in the chuck body 1 in an embedded manner, a gear groove 8 is formed in the bottom of the transmission disc 7, a positioning block 9 is fixedly connected to the bottom of the chuck body 1, a fixed column 10 is fixedly connected to the inside of the chuck body 1, a linkage block 11 is movably mounted in the inside of the fixed column 10, and an alignment groove 12 is formed in the linkage block 11;

the movable clamping jaw 3 comprises a toothed transmission plate 31, a support column 32 is fixedly connected to the surface of the toothed transmission plate 31, a clamping jaw block 33 is detachably mounted on the surface of the support column 32, a transverse fixing plate 34 is fixedly mounted on the surface of the toothed transmission plate 31, a screw hole 35 is formed in the surface of the transverse fixing plate 34, and a pressing plate 36 is fixedly connected to the inner wall of the transverse fixing plate 34.

The bottom of the linkage block 11 is fixedly connected with a spring 13, and one end of the spring 13 is fixedly connected with a gear 14.

As shown in figure 1, the size of the square groove 2 is matched with that of the movable clamping jaw 3, and the size of the round hole 4 is matched with that of the bolt 6.

Concretely, square groove 2 is seted up on the surface of chuck body 1 to the utilization, square groove 2 and movable jack catch 3's big or small looks adaptation can let movable jack catch 3 can be in square groove 2 inside purposefully carry out sharp reciprocating motion, can let whole operation more neat have the planning nature, also do benefit to convenient whole tight operation to the clamp of article, utilize

round hole

4 and 6 big or small looks adaptations of bolt, can let 6 better fix chuck body 1 on the lathe, carry out more firm processing operation, and the stability is improved, the effect of protection site work safety has been reached.

As shown in fig. 2, the number of the movable clamping jaws 3 is four, four movable clamping jaws 3 are distributed on the surface of the square groove 2 through a circle center polar axis of the chuck body 1, a thread groove is formed in the surface of the transmission disc 7, the thread groove is matched with the toothed transmission plate 31, a protrusion is fixedly connected to the top end of the T-shaped pin 5, and the protrusion is matched with the opposite groove 12.

Specifically, the four movable clamping jaws 3 can be used for better fixing an object, and the threaded grooves on the surface of the transmission disc 7 are cooperated with the toothed transmission plate 31 to simultaneously control the movable clamping jaws 3, so that the movable clamping jaws 3 clamp and loosen the object, and the effect of facilitating control is achieved; the protrusion and the opposite slot 12 are cooperated, the gear 14 can be rotated through the T-shaped pin 5 to control the forward rotation and the reverse rotation of the transmission disc 7, the effect of being beneficial to the overall control is also achieved, the operation is simple and convenient, and the time is saved.

As shown in fig. 5, a screw 37 is threadedly mounted on the inner wall of the screw hole 35, a nut 38 is threadedly mounted on the surface of the screw 37, the number of the pillars 32 is four, four pillars 32 are distributed on the surface of the toothed driving plate 31 from left to right, and the inner wall of the transverse fixing plate 34 is provided with a rough surface structure.

Specifically, the transverse fixing plate 34 is fastened by the screw 37 and the nut 38, the fastening of the jaw block 33 is enhanced by fastening the transverse fixing plate 34, the jaw block 33 is convenient to replace while the fastening is ensured, and the effects of saving time and improving the working efficiency are achieved; the position of the jaw block 33 is regulated and controlled by utilizing the strut 32, the position can be timely regulated after the jaw block 33 is worn, the service life of the jaw block 33 is prolonged while fastening, and the effect of saving the production cost is achieved; the inner wall of the transverse fixing plate 34 is set to be a rough surface structure, so that the contact area of the transverse fixing plate and the clamping jaw block 33 is increased, the friction force is increased, the fastening effect is enhanced, and the normal operation of the equipment is maintained.

The working process of the utility model is as follows: before fastening an object, firstly aligning a positioning block 9 at the bottom of a chuck body 1 to a positioning groove of a lathe, secondly fixing the chuck body 1 by a bolt 6 through a round hole 4, then placing a claw block 33 on a toothed driving plate 31, fixing the claw block 33 by a screw 37 and a nut 38 through a screw hole 35, then placing the toothed driving plate 31 along a square groove 2, then inserting a T-shaped pin 5 into the fixing column 10, at the moment, a protrusion at the top end of the T-shaped pin 5 is matched with a matching groove 12, extruding a linkage block 11 into an inner cavity of the fixing column 10, rotating the T-shaped pin 5 to drive a gear 14, controlling the rotation of the driving plate 7 by rotating a gear groove 8 at the bottom of the driving plate 7 after the gear 14 rotates, at the moment, carrying out reciprocating motion by taking the circle center of the chuck body 1 as the direction along a thread groove on the surface of the driving plate 7, and placing the object into the chuck body 1, and finally, rotating the T-shaped pin 5 for fixing, finishing the object fixing, starting the machine tool to work, loosening the screw 37 if the jaw block 33 is worn, advancing the jaw block 33, tightening the screw 37, and continuing the use, for example, if the jaw block 33 is replaced, repeating the steps.

Above-mentioned scheme, through rotatory T shape round pin 5 control activity jack catch 3 carry out the clamp of article tightly, through horizontal fixed plate 34 and screw 37 and nut 38 mutual regulation, control jack catch piece 33's overall position, also can carry out the best use of thing to jack catch piece 33 when doing benefit to and adjusting jack catch piece 33, prolong its life, practice thrift the cost expenditure, wholly reach the effect that improves work efficiency, save time.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. A detachable chuck for a numerical control machine tool comprises a chuck body (1) and is characterized in that, a square groove (2) is arranged on the surface of the chuck body (1), a movable clamping jaw (3) is detachably arranged on the surface of the square groove (2), a round hole (4) is arranged on the surface of the chuck body (1), a T-shaped pin (5) is detachably arranged on the side surface of the chuck body (1), a bolt (6) is installed on the inner wall of the round hole (4) in a threaded manner, a transmission disc (7) is embedded in the chuck body (1), a gear groove (8) is arranged at the bottom of the transmission disc (7), a positioning block (9) is fixedly connected at the bottom of the chuck body (1), a fixed column (10) is fixedly connected to the interior of the chuck body (1), a linkage block (11) is movably mounted in the fixed column (10), and an alignment groove (12) is formed in the linkage block (11);

the movable clamping jaw (3) comprises a toothed transmission plate (31), the surface of the toothed transmission plate (31) is fixedly connected with a supporting column (32), the surface of the supporting column (32) is detachably provided with a clamping jaw block (33), the surface of the toothed transmission plate (31) is fixedly provided with a transverse fixing plate (34), the surface of the transverse fixing plate (34) is provided with a screw hole (35), and the inner wall of the transverse fixing plate (34) is fixedly connected with a pressing plate (36).

2. The removable chuck for numerical control machine tools according to claim 1, wherein the screw (37) is threadedly mounted to the inner wall of the screw hole (35), and the nut (38) is threadedly mounted to the surface of the screw (37).

3. The detachable chuck for the numerical control machine according to claim 1, wherein a spring (13) is fixedly connected to the bottom of the linkage block (11), and a gear (14) is fixedly connected to one end of the spring (13).

4. The removable chuck for numerical control machine tool according to claim 1, characterized in that the number of the movable jaws (3) is four, and four movable jaws (3) are distributed on the surface of the square groove (2) through the polar axis of the center of the circle of the chuck body (1).

5. The removable chuck for numerical control machine tools according to claim 1, characterized in that the number of said columns (32) is four, four of said columns (32) being distributed on the surface of the toothed driving plate (31) from left to right.

6. The removable chuck for the numerical control machine according to claim 1, characterized in that the size of the square groove (2) is adapted to the size of the movable jaw (3), and the size of the circular hole (4) is adapted to the size of the bolt (6).

7. The removable chuck for the numerical control machine according to claim 1, characterized in that the surface of the driving disk (7) is provided with a threaded groove, the threaded groove is matched with the toothed driving plate (31), the top end of the T-shaped pin (5) is fixedly connected with a protrusion, and the protrusion is matched with the opposite groove (12).

8. The removable chuck for numerically controlled machine tools according to claim 1, wherein the inner wall of the transverse fixing plate (34) is provided in a rough surface configuration.