CN217914253U

CN217914253U - High frequency vibrates noise reduction mechanism for tool bit

Info

Publication number: CN217914253U
Application number: CN202221814459.1U
Authority: CN
Inventors: 刘�文
Original assignee: Gbos Laser Inc
Current assignee: Gbos Laser Inc
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-11-29
Anticipated expiration: 2032-07-13

Abstract

The utility model belongs to the technical field of cutting machines, in particular to a silencing mechanism for a high-frequency vibrating cutter head, which comprises a cutter head body, wherein the output end of the cutter head body is in threaded connection with a silencing barrel; the silencing barrel is connected with a limiting shell in a sliding mode, and the other end of the limiting shell is clamped on the cutter head body in a clamping mode; one end of the silencing barrel, which is far away from the tool bit body, is in threaded connection with a silencing head; the top of the limiting shell is clamped with a silencing shell, and the silencing shell is sleeved on the outer sides of the silencing head and the silencing barrel; through the silencing barrel and the baffle plate arranged in the silencing barrel, when compressed gas rushes out of the cutter head body and the silencing barrel, noise generated when the baffle plate moves the compressed gas is utilized to reduce the noise, the noise is attenuated, the noise generated when the cutter head body works can be reduced, and discomfort caused by the noise to the body of a worker can be relieved to a certain extent.

Description

High frequency vibrates noise reduction mechanism for tool bit

Technical Field

The utility model belongs to the technical field of the cutting machine, specific high frequency vibrates knife head and uses amortization mechanism that says so.

Background

The most important structure in the cutting machine is the cutter head, the cutter head used in the cutting machine at present generally adopts compressed gas drive, and pneumatic high frequency vibration cutter head cost is lower, and is safer relatively.

When the pneumatic high-frequency vibrating tool bit is used, the pneumatic high-frequency vibrating tool bit can be driven by compressed gas, the starting shaft in the pneumatic high-frequency vibrating tool bit can realize reciprocating motion under the drive of the compressed gas, and then high-pressure and high-speed gas can be rapidly sprayed out through an outlet at the end part of the tool bit, so that the cutting effect is realized.

In the prior art, as the pneumatic high-frequency vibration cutter head is driven by compressed gas, large noise is easy to generate in the use process, and the noise which is not reduced for a long time can influence workers controlled by a machine tool, so that the bodies of the workers feel uncomfortable; therefore, a noise reduction mechanism for a high-frequency vibrating tool bit is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to make up the defects of the prior art and solve the problems, the invention provides a silencing mechanism for a high-frequency vibrating tool bit.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to a high frequency vibration tool bit silencing mechanism, which comprises a tool bit body, wherein the output end of the tool bit body is connected with a silencing barrel in a threaded manner; the silencing barrel is connected with a limiting shell in a sliding mode, and the other end of the limiting shell is clamped on the cutter head body in a clamping mode; one end of the silencing barrel, which is far away from the tool bit body, is in threaded connection with a silencing head; the top of the limiting shell is clamped with a silencing shell, and the silencing shell is sleeved on the outer sides of the silencing head and the silencing barrel.

Preferably, one end of the limiting shell close to the tool bit body is fixedly connected with an elastic clamping piece; the tool bit body is provided with a limiting groove on the surface, and the elastic clamping piece is clamped in the limiting groove.

Preferably, the surface of the silencing tube is provided with a sliding groove, and one end of the silencing tube close to the cutter head body is provided with a sliding rail with an annular structure; the sliding chute is communicated with the sliding rail; the limiting shell is connected in the sliding rail in a sliding manner; one end of the silencing tube close to the tool bit body is fixedly connected with an internal thread part, and the silencing tube is connected to the inner side of the tool bit body through the internal thread part in a threaded mode.

Preferably, a plurality of groups of sliding blocks which are arranged at intervals are fixedly connected to the inner side of the limiting shell, and the sliding blocks are connected in the sliding groove and the sliding rail in a sliding manner; a movable groove is formed in the limiting shell, and a spring is fixedly connected to the bottom of the movable groove; the upper end of the spring is fixedly connected with a locking block, and the locking block is clamped on the inner side of the silencing shell.

Preferably, a plurality of groups of baffle plates which are obliquely arranged are fixedly connected in the silencing barrel, and a second silencing hole is formed in the wall surface of the silencing barrel; and the second silencing hole is positioned between the adjacent baffle plates.

Preferably, a plurality of groups of first silencing holes which are circumferentially and symmetrically arranged are formed in the surface of the silencing head, an external thread part is fixedly connected to one end, close to the tool bit body, of the silencing head, and the silencing head is connected to the inner side of the silencing cylinder through the external thread part in a threaded mode; the inner side of the silencing shell is provided with a lock hole, and the lock block is clamped in the lock hole.

The utility model has the advantages that:

the utility model provides a high frequency vibrates canceling release mechanical system for tool bit, through the hush cylinder that sets up and arrange the baffler in the hush cylinder, can utilize the baffler to make an uproar fall to the produced noise when compressed gas removes when the compressed gas rushes out tool bit body and hush cylinder, make its decay, and then can reduce tool bit body during operation, produced noise can alleviate the uncomfortable sense that the noise caused staff's health to a certain extent.

The utility model provides a high frequency vibrates knife head and uses amortization mechanism through setting up the amortization shell in the outside, can protect the muffler section of thick bamboo, and utilizes and arrange spring and locking piece on spacing shell, can utilize spring and locking piece to lock the amortization shell on the stopper when installing the amortization shell, convenient dismantlement, the installation of being convenient for.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:

fig. 1 is a perspective view of the present invention;

fig. 2 is an exploded perspective view of the present invention;

fig. 3 is a cross-sectional view of the present invention;

FIG. 4 is an enlarged view of the structure of part A in FIG. 3;

illustration of the drawings:

1. a tool bit body; 11. a limiting shell; 111. a slider; 112. a movable groove; 113. a spring; 114. a locking block; 12. a limiting groove; 21. a sound deadening housing; 211. a lock hole; 22. a silencing head; 221. a silencing hole; 222. an external threaded portion; 23. a silencing barrel; 231. a second silencing hole; 232. a chute; 233. a slide rail; 234. an internal thread portion; 235. and (7) blocking the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Specific examples are given below.

Referring to fig. 1-4, the utility model provides a noise reduction mechanism for a high-frequency vibrating tool bit, which comprises a tool bit body 1, wherein the output end of the tool bit body 1 is connected with a noise reduction barrel 23 by screw thread; the silencing barrel 23 is connected with a limiting shell 11 in a sliding mode, and the other end of the limiting shell 11 is clamped on the cutter head body 1; one end of the silencing barrel 23, which is far away from the cutter head body 1, is in threaded connection with a silencing head 22; the top of the limiting shell 11 is clamped with a silencing shell 21, and the silencing shell 21 is sleeved on the outer sides of a silencing head 22 and a silencing barrel 23.

When the pneumatic high-frequency vibration cutter head works, the pneumatic high-frequency vibration cutter head is driven by compressed gas, so that high noise is easily generated in the using process, the noise which is not reduced for a long time can influence workers controlled by a machine tool, and the bodies of the workers feel uncomfortable; in order to avoid the uncomfortable sense that traditional tool bit body 1 during operation, the produced noise of compressed air caused the staff, in the device during operation, in the output installation noise cancelling structure of tool bit body 1, utilize noise tube 23 to fall the noise, and utilize noise cancelling head 22 further to realize the noise reduction effect to the noise, and the amortization shell 21 that sets up in the noise tube 23 and the noise cancelling head 22 outside can protect noise tube 23 structure, can reduce the produced noise of tool bit body 1 through the noise cancelling structure, when lightening the compressed air drive, the influence that the noise that produces produced to the staff.

Preferably, an elastic clamping piece is fixedly connected to one end, close to the tool bit body 1, of the limiting shell 11; the tool bit body 1 is provided with a limiting groove 12 on the surface, and the elastic clamping piece is clamped in the limiting groove 12.

The during operation, the one end that spacing shell 11 and tool bit body 1 are connected is provided with the elasticity card, utilizes the elasticity card can utilize the spacing inslot 12 of elasticity card joint on tool bit body 1 when installing spacing shell 11, realizes the succinct convenience of operation to spacing shell 11's installation.

Preferably, the surface of the silencing tube 23 is provided with a sliding groove 232, and one end of the silencing tube 23 close to the cutter head body 1 is provided with a sliding rail 233 with an annular structure; the sliding groove 232 is communicated with the sliding rail 233; the limiting shell 11 is connected in the sliding rail 233 in a sliding manner; one end of the silencing tube 23 close to the tool bit body 1 is fixedly connected with an internal thread part 234, and the silencing tube 23 is screwed on the inner side of the tool bit body 1 by the internal thread part 234.

In operation, spout 232 is seted up on hush cylinder 23 surface, when installing spacing shell 11, the accessible slides spacing shell 11 in spout 232, make spacing shell 11 can be at hush cylinder 23 threaded connection back on tool bit body 1, the activity is in hush cylinder 23 outside again, when spacing shell 11 slides to slide rail 233 in, the accessible is rotatory to make spacing shell 11 rotate certain angle, make the elasticity card on the spacing shell 11 can move to spacing inslot 12 on the tool bit body 1 and elasticity joint is in spacing inslot 12, realize the fixed of spacing shell 11, but hush cylinder 23 utilizes internal thread portion 234 threaded connection inboard at the output of tool bit body 1, and the inboard internal thread that has seted up of corresponding tool bit body 1 output.

Preferably, a plurality of sets of sliding blocks 111 arranged at intervals are fixedly connected to the inner side of the limiting shell 11, and the sliding blocks 111 are slidably connected to the sliding grooves 232 and the sliding rails 233; a movable groove 112 is formed in the limiting shell 11, and a spring 113 is fixedly connected to the bottom of the movable groove 112; the upper end of the spring 113 is fixedly connected with a locking block 114, and the locking block 114 is clamped at the inner side of the silencing shell 21.

During operation, at a plurality of groups of slider 111 of spacing 11 inboard rigid coupling interval arrangement, spacing shell 11 utilizes slider 111 slidable in the spout 232 in the hush pipe 23 outside, when sliding to spout 232 terminal removal in slide rail 233 to slider 111, can drive spacing shell 11 under artificial effect and rotate, realize the locking to spacing shell 11, cooperation elasticity card and spacing groove 12's joint, can realize the location to spacing shell 11, wherein the activity groove 112 that sets up in spacing shell 11, can be when the spacing shell 11 outside of hush pipe 21 activity, locking piece 114 receives the extrusion of hush pipe shell 21 and moves down, locking piece 114 can the joint inboard at hush pipe shell 21 afterwards, realize the fixed of hush pipe shell 21.

Preferably, a plurality of groups of baffles 235 arranged obliquely are fixedly connected in the silencing barrel 23, and a second silencing hole 231 is formed in the wall surface of the silencing barrel 23; and the second muffling hole 231 is located between the adjacent baffle plates 235.

When the silencer works, a plurality of groups of baffle plates 235 which are obliquely arranged are fixedly connected to the inner side of the silencing tube 23, and through the structure of the baffle plates 235, noise can be guided to flow between the baffle plates 235, so that the purpose of attenuating the noise is achieved, the finally attenuated noise can be discharged through the second silencing hole 231, and the noise is attenuated as much as possible.

Preferably, a plurality of sets of first silencing holes 221 which are circumferentially and symmetrically arranged are formed in the surface of the silencing head 22, an external thread part 222 is fixedly connected to one end of the silencing head 22 close to the cutter head body 1, and the silencing head 22 is connected to the inner side of the silencing barrel 23 through the external thread part 222 in a threaded manner; the silencing shell 21 is provided with a lock hole 211 at the inner side thereof, and the lock block 114 is clamped in the lock hole 211.

In operation, the first silencing hole 221 on the outer side of the silencing head 22 is similar to the structure of the traditional silencing head 22, the silencing head 22 can be screwed inside the silencing barrel 23 by the external thread part 222 arranged on the silencing head 22, when the silencing shell 21 moves on the limiting shell 11, the inner wall of the silencing shell 21 presses the locking block 114, and when the locking hole 211 moves to the position of the locking block 114, the locking block 114 can be clamped in the locking hole 211 under the elastic potential energy of the spring 113.

The working principle is as follows: the pneumatic high-frequency vibration cutter head is driven by compressed gas, so that high noise is easily generated in the using process, the noise which is not reduced for a long time can influence workers controlled by a machine tool, and the bodies of the workers feel uncomfortable; in order to avoid the uncomfortable feeling of the noise generated by compressed air to staff when the traditional tool bit body 1 works, when the device works, a silencing structure is installed at the output end of the tool bit body 1, a silencing barrel 23 is used for reducing the noise, and a silencing head 22 is used for further realizing the noise reduction effect on the noise, and a silencing shell 21 arranged on the outer sides of the silencing barrel 23 and the silencing head 22 can protect the structure of the silencing barrel 23, so that the noise generated by the tool bit body 1 can be reduced through the silencing structure, and the influence of the generated noise on the staff when the compressed air is driven is reduced; the inner side of the limiting shell 11 is fixedly connected with a plurality of groups of sliding blocks 111 which are arranged at intervals, the limiting shell 11 can slide in a sliding groove 232 on the outer side of the silencing barrel 23 by using the sliding blocks 111, and when the sliding blocks 111 slide to the tail end of the sliding groove 232 and move in a sliding rail 233, the limiting shell 11 can be driven to rotate under the action of human power to realize the locking of the limiting shell 11, and the positioning of the limiting shell 11 can be realized by matching the clamping of the elastic clamping piece and the limiting groove 12, wherein the movable groove 112 is arranged in the limiting shell 11, when the silencing shell 21 moves on the outer side of the limiting shell 11, the locking block 114 is extruded by the silencing shell 21 and moves downwards, and then the locking block 114 can be clamped on the inner side of the silencing shell 21 to realize the fixation of the silencing shell 21;

meanwhile, a plurality of groups of baffle plates 235 which are obliquely arranged are fixedly connected to the inner side of the silencing tube 23, and through the structure of the baffle plates 235, noise can be guided to flow between the baffle plates 235, so that the purpose of attenuating the noise is achieved, and finally, the attenuated noise can be discharged through the second silencing hole 231, and at the moment, the noise is attenuated as much as possible.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed.

Claims

1. The utility model provides a high frequency vibrates canceling acoustic mechanical system for tool bit which characterized in that: the tool bit comprises a tool bit body (1), wherein an output end of the tool bit body (1) is in threaded connection with a silencing barrel (23); the silencing barrel (23) is connected with a limiting shell (11) in a sliding mode, and the other end of the limiting shell (11) is clamped on the cutter head body (1); one end of the silencing barrel (23) far away from the cutter head body (1) is in threaded connection with a silencing head (22); spacing shell (11) top joint has amortization shell (21), just amortization shell (21) cup joint in the outside of amortization head (22) and amortization section of thick bamboo (23).

2. The noise reduction mechanism for the high-frequency vibrating tool bit as claimed in claim 1, wherein: one end of the limiting shell (11) close to the tool bit body (1) is fixedly connected with an elastic clamping piece; the tool bit is characterized in that a limiting groove (12) is formed in the surface of the tool bit body (1), and the elastic clamping piece is clamped in the limiting groove (12).

3. The noise reduction mechanism for the high-frequency vibrating tool bit as claimed in claim 2, wherein: a sliding groove (232) is formed in the surface of the silencing barrel (23), and a sliding rail (233) in an annular structure is formed at one end, close to the cutter head body (1), of the silencing barrel (23); the sliding groove (232) is communicated with the sliding rail (233); the limiting shell (11) is connected in the sliding rail (233) in a sliding manner; one end of the silencing tube (23) close to the cutter head body (1) is fixedly connected with an internal thread part (234), and the silencing tube (23) is in threaded connection with the inner side of the cutter head body (1) through the internal thread part (234).

4. The noise reduction mechanism for the high-frequency vibrating tool bit as claimed in claim 3, wherein: a plurality of groups of sliding blocks (111) which are arranged at intervals are fixedly connected to the inner side of the limiting shell (11), and the sliding blocks (111) are connected in the sliding groove (232) and the sliding rail (233) in a sliding manner; a movable groove (112) is formed in the limiting shell (11), and a spring (113) is fixedly connected to the bottom of the movable groove (112); the upper end of the spring (113) is fixedly connected with a locking block (114), and the locking block (114) is clamped on the inner side of the silencing shell (21).

5. The noise reduction mechanism for the high-frequency vibrating tool bit as claimed in claim 4, wherein: a plurality of groups of baffle plates (235) which are obliquely arranged are fixedly connected in the silencing barrel (23), and a second silencing hole (231) is formed in the wall surface of the silencing barrel (23); and the second silencing hole (231) is positioned between the adjacent baffle plates (235).

6. The noise reduction mechanism for the high-frequency vibrating tool bit as claimed in claim 5, wherein: a plurality of groups of first silencing holes (221) which are circumferentially and symmetrically arranged are formed in the surface of the silencing head (22), an external thread part (222) is fixedly connected to one end, close to the cutter head body (1), of the silencing head (22), and the silencing head (22) is connected to the inner side of the silencing barrel (23) through the external thread part (222) in a threaded mode; a lock hole (211) is formed in the inner side of the silencing shell (21), and the lock block (114) is clamped in the lock hole (211).