CN216882713U

CN216882713U - Numerical control machining tool bit anchor clamps

Info

Publication number: CN216882713U
Application number: CN202123186799.2U
Authority: CN
Inventors: 张宏军; 李耀和; 杨家鑫; 何冬
Original assignee: Shenyang Huijiecheng Mechanical Equipment Co ltd
Current assignee: Shenyang Huijiecheng Mechanical Equipment Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-07-05
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses a numerical control machining tool bit clamp which comprises a clamp body and a tool body, wherein the tool body is movably connected inside the clamp body, a clamping sleeve is fixedly connected at the center of the lower end face of the clamp body, a first mounting cavity is formed in the center of the inner part of the clamping sleeve, a second mounting cavity is formed in the center of the inner part of the lower end of the clamp body, a third mounting cavity is formed in the center of the inner part of the upper end of the clamp body, first movable cavities are formed in the centers of the front end side wall and the rear end side wall of the second mounting cavity, second movable cavities are formed in the centers of the front end side wall and the rear end side wall of the third mounting cavity, and a first telescopic rod is fixedly connected at the center of the side wall, far away from one end of the tool body, of the first movable cavity. The utility model discloses a numerical control machining tool bit clamp which is convenient and firm to clamp a tool body, can improve the stability of the tool body when a product is machined, and has strong practicability.

Description

Numerical control machining tool bit anchor clamps

Technical Field

The utility model relates to the technical field of tool bit clamps, in particular to a numerical control machining tool bit clamp.

Background

The numerical control machining is a technological method for machining parts on a numerical control machine tool, and the technological procedures of the numerical control machine tool machining and the traditional machine tool machining are consistent on the whole, but are obviously changed. The machining method for controlling the displacement of the part and the cutter by using digital information is characterized in that the end part of the cutter is directly abutted against a fixture mounting cavity in the traditional cutter head mounting method, and then the cutter head is matched with a side locking mechanism for fixing, so that the axial fixing effect of the cutter head is poor, the cutter back-off phenomenon is easy to generate, and the machining precision is reduced.

The prior patent (with the publication number of CN210790033U) discloses a tool bit clamp for numerical control machining, which belongs to the technical field of numerical control tools and comprises a clamp body, wherein one end of the clamp body is provided with an installation cavity for installing a tool bit, a first movable cavity is arranged in the clamp body, one side of the first movable cavity is communicated with a second movable cavity, a top block is arranged in the first movable cavity, one side of the top block is fixedly connected with a locking rod, and one end, far away from the top block, of the locking rod extends to the outside of the clamp body from the second movable cavity; the fixture comprises a fixture body and is characterized in that a supporting rod is movably arranged inside the fixture body, one end of the supporting rod extends into a first movable cavity, the other end of the supporting rod extends into an installation cavity, and an inserting rod is elastically arranged on the inner wall of the installation cavity. In the embodiment of the utility model, the end part of the cutter head is supported by the stop block and the support rod through the matching of the inserted rod and the slot, so that the cutter head can be effectively prevented from generating a cutter back-off phenomenon when the cutter head processes a workpiece, and the cutter head clamp has the advantages of simple clamping, convenience in use and high processing precision.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a numerical control machining tool bit clamp.

In order to achieve the purpose, the utility model adopts the following technical scheme: a cutter head clamp for numerical control machining comprises a clamp body and a cutter body, wherein the cutter body is movably connected inside the clamp body, a clamping sleeve is fixedly connected at the center of the lower end face of the clamp body, a first mounting cavity is formed in the center of the inner part of the clamping sleeve, a second mounting cavity is formed in the center of the inner part of the lower end of the clamp body, a third mounting cavity is formed in the center of the inner part of the upper end of the clamp body, first movable cavities are formed in the centers of the front end side wall and the rear end side wall of the second mounting cavity, second movable cavities are formed in the centers of the front end side wall and the rear end side wall of the third mounting cavity, a first telescopic rod is fixedly connected at the center of the side wall of the first movable cavity far away from one end of the cutter body, a first connecting plate is fixedly connected at the output end of the first telescopic rod, first limiting grooves are formed in the side walls of the cutter body close to the front end and the rear end of the upper portion, the side walls of the first connecting plates close to one end of the cutter body are fixedly connected with a plurality of limiting blocks;

The utility model discloses a cutter body, including cutter body, first activity chamber, second activity chamber, damping spring, cutter body, first connecting plate, second connecting plate, the equal fixedly connected with damping spring of lateral wall of cutter body one end is close to in second activity chamber, the center department fixedly connected with second telescopic link of cutter body one end lateral wall is kept away from in the second activity chamber, the output fixedly connected with second connecting plate of second telescopic link, the equal fixedly connected with a plurality of damping spring of lateral wall of second connecting plate near cutter body one end, damping spring is close to the lateral wall fixedly connected with shock attenuation board of cutter body one end, the second spacing groove has all been seted up to the lateral wall of cutter body upper portion front end and rear end.

As a further description of the above technical solution:

the cutter body is close to the lateral wall of lower part front end and rear end and has all seted up the third spacing groove, the fixed orifices has all been seted up to the center department of first installation cavity front end and rear end lateral wall, the inside threaded connection of fixed orifices has fixing bolt, the equal fixedly connected with fixed plate of one end that fixing bolt is close to cutter body.

As a further description of the above technical solution:

one end of the second limiting groove, which is close to the center of the cutter body, is provided with a first shock pad.

As a further description of the above technical solution:

and a second shock pad is arranged at one end of the third limiting groove close to the center of the cutter body.

As a further description of the above technical solution:

The outer wall of the lower part of the cutter body is provided with an anti-skid layer.

As a further description of the above technical solution:

the limiting block is fixedly clamped in the first limiting groove.

As a further description of the above technical solution:

the damping plate is fixedly clamped in the second limiting groove.

As a further description of the above technical solution:

the fixed plate is fixedly clamped in the third limiting groove.

The utility model has the following beneficial effects:

1. compared with the existing tool bit clamp, the tool bit clamp has the function of automatically clamping the tool, when the tool body is inserted into the first installation cavity, only the clamping part of the tool body needs to be integrally inserted into the clamp body, and then the first telescopic rod drives the first connecting plate and the limiting block to clamp, so that the limiting block is clamped with the first limiting groove, and meanwhile, the plurality of limiting blocks are arranged, so that the contact area between the limiting block and the first limiting groove can be increased, and the clamping and fixing of the tool body and the clamp body are further enhanced.

2. Compared with the existing tool bit clamp, the tool bit clamp has the function of reducing vibration of the clamping end of the tool body, when the tool bit clamp clamps a longer tool bit for actual cutting, the second connecting plate is driven by the second telescopic rod to clamp, meanwhile, the damping spring and the damping plate on the end face of the second connecting plate start to damp and fix the tool shank of the tool body, and when slight vibration occurs on the tool shank, the slight vibration is effectively weakened under the action of the damping plate and the damping spring, so that the accuracy of the tool body for machining a workpiece is further improved.

3. Compared with the existing tool bit clamp, the tool bit clamp has the function of improving the stable work of the tool body, when the tool body is fixed, the fixing bolt can be rotated to enable the fixing plate at the tail end of the bolt to be clamped with the third limiting groove of the tool body, so that the tool body can be clamped in the clamp body more firmly, and the tool body is greatly improved to be more stable when a product is machined.

Drawings

FIG. 1 is a front cross-sectional view of a tool bit holder for numerical control machining according to the present invention;

FIG. 2 is an isometric view of a tool body of a numerically controlled machining bit holder in accordance with the present invention;

FIG. 3 is a side cross-sectional view of a tool bit holder body for numerical control machining in accordance with the present invention;

FIG. 4 is a bottom view of a tool bit holder for numerical control machining according to the present invention;

FIG. 5 is an enlarged view at B in FIG. 1;

fig. 6 is an enlarged view of a point a in fig. 1.

Illustration of the drawings:

1. a clamp body; 2. a clamping sleeve; 3. a first mounting cavity; 4. a second mounting cavity; 5. a third mounting cavity; 6. a first movable chamber; 7. a second movable chamber; 8. a cutter body; 9. a first telescopic rod; 10. a first connecting plate; 11. a first limit groove; 12. a limiting block; 13. a second telescopic rod; 14. a second connecting plate; 15. a damping spring; 16. a second limit groove; 17. a damper plate; 18. a third limiting groove; 19. a fixing hole; 20. fixing the bolt; 21. a fixing plate; 22. a first cushion pad; 23. a second cushion pad; 24. and an anti-slip layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Referring to fig. 1-6, one embodiment provided by the present invention: a numerical control machining tool bit clamp comprises a clamp body 1 and a tool body 8, wherein the tool body 8 is movably connected inside the clamp body 1, a clamping sleeve 2 is fixedly connected at the center of the lower end face of the clamp body 1, a first mounting cavity 3 is formed in the center of the inner part of the clamping sleeve 2, a second mounting cavity 4 is formed in the center of the inner part of the lower end of the clamp body 1, a third mounting cavity 5 is formed in the center of the inner part of the upper end of the clamp body 1, first movable cavities 6 are formed in the front end of the second mounting cavity 4 and the center of the side wall of the rear end, second movable cavities 7 are formed in the front end of the third mounting cavity 5 and the center of the side wall of the rear end, a first telescopic rod 9 is fixedly connected at the center of the side wall of one end, away from the tool body 8, of the first movable cavity 6, a first connecting plate 10 is fixedly connected at the output end of the first telescopic rod 9, first limiting grooves 11 are formed in the side walls, close to the front end and the rear end of the upper portion of the tool body 8, the side walls of the first connecting plate 10 close to one end of the cutter body 8 are fixedly connected with a plurality of limiting blocks 12, and the cutter body 8 can be automatically fixed through the operation of the first telescopic rod 9, so that the clamping operation of workers on the cutter body 8 is greatly facilitated.

Center department fixedly connected with second telescopic link 13 of 8 one end lateral walls of cutter body is kept away from to second activity chamber 7, the output end fixedly connected with second connecting plate 14 of second telescopic link 13, a plurality of damping spring 15 of equal fixedly connected with of lateral wall that second connecting plate 14 is close to 8 one end of cutter body, damping spring 15 is close to the lateral wall fixedly connected with shock attenuation board 17 of 8 one end of cutter body, second spacing groove 16 has all been seted up to the lateral wall of 8 upper portion front ends of cutter body and rear end, handle of a knife department that can effectual cutter body 8 through damping spring 15 and shock attenuation board 17 carries out the shock attenuation fixedly, thereby further improvement the precision of 8 processing work pieces of cutter body.

The lateral wall that cutter body 8 is close to lower part front end and rear end has all seted up third spacing groove 18, fixed orifices 19 have all been seted up in the center department of 3 front ends of first installation cavity and rear end lateral wall, 19 inside threaded connection of fixed orifices has fixing bolt 20, fixing bolt 20 is close to the equal fixedly connected with fixed plate 21 of one end of cutter body 8, when cutter body 8 has fixed the completion, can make terminal fixed plate 21 of bolt and cutter body 8's third spacing groove 18 looks joints through rotating fixing bolt 20, thereby can make cutter body 8 more firm at 1 inside clamp of anchor clamps body, thereby great improvement cutter body 8 is more stable when the processing product.

The working principle is as follows: when the tool bit fixture actually clamps a tool, firstly, the tool body 8 is inserted from the inside of the first mounting cavity 3, then the second mounting cavity 4 and the third mounting cavity 5 enable the clamping part of the tool body 8 to be integrally inserted into the fixture body 1, meanwhile, the first telescopic rod 9 is used for driving the first connecting plate 10 and the limiting block 12 to carry out clamping work through the first telescopic rod 9, so that the limiting block 12 is clamped with the first limiting groove 11, meanwhile, the second connecting plate 14 is driven to carry out clamping work through the second telescopic rod 13, meanwhile, the damping spring 15 and the damping plate 17 on the end face of the second connecting plate 14 start to damp and fix the shank of the tool body 8, when the shank generates slight vibration, the slight vibration is effectively damped under the action of the damping plate 17 and the damping spring 15, when the tool body 8 is fixed, the fixing bolt 20 can be rotated to enable the fixing plate 21 at the tail end of the bolt to be clamped with the third limiting groove 18 of the tool body 8 Connect to can make cutter body 8 press from both sides tightly more firmly in anchor clamps body 1 inside, thereby great improvement cutter body 8 more stable when the processing product.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions and improvements to part of the technical features of the foregoing embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a numerical control processing tool bit anchor clamps, includes anchor clamps body (1) and cutter body (8), its characterized in that: the clamp comprises a clamp body (1), a cutter body (8) is movably connected in the clamp body (1), a clamping sleeve (2) is fixedly connected at the center of the lower end face of the clamp body (1), a first mounting cavity (3) is formed in the center of the inner portion of the clamping sleeve (2), a second mounting cavity (4) is formed in the center of the inner portion of the lower end of the clamp body (1), a third mounting cavity (5) is formed in the center of the inner portion of the upper end of the clamp body (1), first movable cavities (6) are formed in the centers of the front end side wall and the rear end side wall of the second mounting cavity (4), second movable cavities (7) are formed in the centers of the front end side wall and the rear end side wall of the third mounting cavity (5), a first telescopic rod (9) is fixedly connected at the center of the side wall of one end, away from the cutter body (8), of the first movable cavity (6), and a first connecting plate (10) is fixedly connected at the output end of the first telescopic rod (9), the side walls of the cutter body (8) close to the front end and the rear end of the upper part are respectively provided with a first limiting groove (11), and the side walls of the first connecting plate (10) close to one end of the cutter body (8) are respectively fixedly connected with a plurality of limiting blocks (12);

center department fixedly connected with second telescopic link (13) of cutter body (8) one end lateral wall is kept away from in second activity chamber (7), the output fixedly connected with second connecting plate (14) of second telescopic link (13), a plurality of damping spring (15) of the equal fixedly connected with of lateral wall that second connecting plate (14) are close to cutter body (8) one end, damping spring (15) are close to lateral wall fixedly connected with damping plate (17) of cutter body (8) one end, second spacing groove (16) have all been seted up to the lateral wall of cutter body (8) upper portion front end and rear end.

2. The tool bit holder for numerical control machining according to claim 1, wherein: the utility model discloses a cutter body, including cutter body (8), first installation cavity (3), first mounting cavity (8) and rear end lateral wall, the lateral wall that cutter body (8) are close to lower part front end and rear end has all seted up third spacing groove (18), fixed orifices (19) have all been seted up to the center department of first installation cavity (3) front end and rear end lateral wall, fixed orifices (19) inside threaded connection has fixing bolt (20), the equal fixedly connected with fixed plate (21) of one end that fixing bolt (20) are close to cutter body (8).

3. The tool bit holder for numerical control machining according to claim 1, wherein: one end of the second limiting groove (16) close to the center of the cutter body (8) is provided with a first shock pad (22).

4. The tool bit holder for numerical control machining according to claim 2, wherein: one end of the third limiting groove (18) close to the center of the cutter body (8) is provided with a second shock pad (23).

5. The tool bit holder for numerical control machining according to claim 1, wherein: the outer wall of the lower part of the cutter body (8) is provided with an anti-skid layer (24).

6. The tool bit holder of claim 1, wherein: the limiting block (12) is fixedly clamped in the first limiting groove (11).

7. The tool bit holder for numerical control machining according to claim 1, wherein: the damping plate (17) is fixedly clamped in the second limiting groove (16).

8. The tool bit holder for numerical control machining according to claim 2, wherein: the fixing plate (21) is fixedly clamped in the third limiting groove (18).