CN112372039A - Broaching cutter head - Google Patents
Broaching cutter head Download PDFInfo
- Publication number
- CN112372039A CN112372039A CN202011178876.7A CN202011178876A CN112372039A CN 112372039 A CN112372039 A CN 112372039A CN 202011178876 A CN202011178876 A CN 202011178876A CN 112372039 A CN112372039 A CN 112372039A
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- CN
- China
- Prior art keywords
- cutter
- broaching
- cutter head
- tool bit
- disc
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/08—Disc-type cutters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/16—Milling-cutters characterised by physical features other than shape
- B23C5/18—Milling-cutters characterised by physical features other than shape with permanently-fixed cutter-bits or teeth
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention belongs to the technical field of numerical control machine tool cutters, and particularly relates to a broaching cutter head which comprises a cutter head disc body, wherein a plurality of broaching cutter heads are respectively arranged on the cutter head disc body around the axle center of the cutter head disc body; a plurality of among the broaching tool bit, follow a plurality of first broaching tool bit along blade disc disk body work direction of rotation to last broaching tool bit the broaching tool bit sets up position distance on the blade disc disk body the radial distance in blade disc disk body axle center is even apart from in proper order and increases progressively, follows a plurality of first broaching tool bit along blade disc disk body work direction of rotation to last broaching tool bit the broaching tool bit sets up axial position on the blade disc body is even apart from in proper order and increases progressively. The broaching cutter head provided by the invention has higher processing precision, prevents burrs from being generated when the surface of a workpiece is milled by a face mill, and improves the processing efficiency of finished workpieces.
Description
Technical Field
The invention belongs to the technical field of numerical control machine tool cutters, and particularly relates to a broaching cutter head.
Background
The milling of the surface of a cutter head to the surface of a workpiece is a common processing mode for processing mechanical parts in the prior art, but burrs are often generated in the cutting process, and the processing precision and the surface quality of the workpiece are reduced due to the burrs;
for example, in an automobile production factory, cutter disc surface milling is adopted for the upper and lower surfaces of an engine cylinder body and a cylinder cover and the valve plate surface of a transmission, the existence of burrs reduces the processing precision and the surface quality, influences the service performance of the engine and sometimes even causes accidents; aiming at the problem that burrs are generated during the processing of the workpiece, a manufacturer often adopts manual deburring to solve the problem, so that the processing time of a finished workpiece is prolonged, the production period of a product is prolonged, and the workpiece can be scrapped when the burrs are improperly removed, so that economic loss is caused.
Therefore, a novel cutter head is urgently needed in the prior art, the novel cutter head has higher machining precision, burrs are avoided being generated when the surface of a workpiece is milled, the machining efficiency of finished workpieces is improved, and the problem that the burrs are generated to remove improper workpieces due to the removal of workpiece burrs is solved.
Disclosure of Invention
The invention aims to provide a broaching tool disc, and solves the problems.
In order to achieve the technical purpose, the technical scheme of the invention is as follows:
the broaching cutter head comprises a cutter head disc body, and a plurality of broaching cutter heads are respectively arranged on the cutter head disc body around the axle center of the cutter head disc body;
a plurality of among the broaching tool bit, follow a plurality of first broaching tool bit along blade disc disk body work direction of rotation to last broaching tool bit the broaching tool bit sets up position distance on the blade disc disk body the radial distance in blade disc disk body axle center is even apart from in proper order and increases progressively, follows a plurality of first broaching tool bit along blade disc disk body work direction of rotation to last broaching tool bit the broaching tool bit sets up axial position on the blade disc body is even apart from in proper order and increases progressively.
As a further optimized scheme, the cutter head disc body is a cylindrical aluminum cutter head, a plurality of adjustable cutter holders are mounted on the cutter head disc body, and the broaching cutter head is mounted on each adjustable cutter holder.
As a further refinement, the adjustable toolholder includes a toolholder body on which the broaching head is mounted;
the side wall of the peripheral surface of the cutter head disc body is provided with a plurality of cutter holder mounting sliding grooves which are matched with the cutter holder body one by one, the cutter holder mounting sliding grooves are provided with radial sliding openings on the side wall of the peripheral surface of the cutter head disc body, the end surface of the cutting end of the cutter head is provided with an axial sliding opening through the cutter holder mounting sliding grooves, the groove wall, opposite to the axial sliding opening, in the cutter holder mounting sliding grooves is provided with an axial adjusting screw hole, the axial adjusting screw hole is provided with an axial adjusting screw thread, the groove wall, opposite to the radial sliding opening, in the cutter holder mounting sliding grooves is provided with a gasket fixing screw hole and a cutter holder fixing screw hole, the gasket fixing screw hole;
a broaching tool bit arranged on the tool holder body penetrates out of the axial sliding opening, the broaching tool bit protrudes out of the cutting end face of the cutter head disc body, and the axial adjusting screw contacts with the end part of the tool holder body;
a tool holder adjusting gasket is arranged between a groove wall opposite to the radial sliding opening in the tool holder mounting sliding groove and the tool holder body, the gasket locking screw penetrates through the tool holder adjusting gasket and is in threaded connection with the gasket fixing screw hole, a waist-shaped fixing hole is formed in the tool holder body, and the tool holder locking screw penetrates through the waist-shaped fixing hole and the tool holder adjusting gasket and is in threaded connection with the tool holder fixing screw hole;
the thickness of the cutter holder adjusting gaskets in the cutter holder mounting sliding grooves is gradually increased from the cutter holder adjusting gasket in the first cutter holder mounting sliding groove to the cutter holder adjusting gasket in the last cutter holder mounting sliding groove according to the working rotating direction of the cutter head disc body.
As a further optimized scheme, the cutter head disc body can also be a steel cutter head.
As a further optimized scheme, the cutting edge part of the broaching tool bit is a PCD cutting edge welded with the broaching tool bit.
As a further optimized scheme, the cutting edge of the broaching tool bit is of a smoothing edge structure.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
the method has higher processing precision, avoids burrs generated when the surface of the workpiece is milled by a face mill, and improves the processing efficiency of the workpiece.
Drawings
FIG. 1 is an elevation view of the cutting end of the broach insert holder in this embodiment;
FIG. 2 is a side view of the broach disk in the present embodiment;
FIG. 3 is an exploded view of an adjustable toolholder in the broach head in accordance with the present embodiment;
in the attached drawing, 1-a cutter head disc body, 2-a broaching tool bit, 3-an adjustable tool holder, 4-a tool holder body, 5-a tool holder mounting chute, 6-a cutting end, 7-an axial adjusting screw hole, 8-an axial adjusting screw, 9-a gasket fixing screw hole, 10-a tool holder fixing screw hole, 12-a tool holder locking screw, 13-a tool holder adjusting gasket and 14-a waist-shaped fixing hole.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
As shown in fig. 1 to 3, the broaching tool pan comprises a tool pan body 1, wherein a plurality of broaching tool bits 2 are respectively arranged on the tool pan body 1 around the axis of the tool pan body 1;
among the plurality of broaching tool bits 2, the radial distance from the position of the first broaching tool bit 2 on the cutter head disc body 1 to the axis of the cutter head disc body 1 along the working rotating direction of the cutter head disc body 1 to the last broaching tool bit 2 is sequentially and evenly increased, and the axial position of the plurality of broaching tool bits 2 on the cutter head disc body 1 from the first broaching tool bit 2 along the working rotating direction of the cutter head disc body 1 to the last broaching tool bit 2 is sequentially and evenly increased.
The rotation direction of the cutter head disc body 1 is shown in fig. 1, namely from (r) to (1)
The radial distances from the 18 broaching tool bits 2 arranged on the cutter head disc body 1 to the axle center of the cutter head disc body 1 are sequentially, evenly and gradually increased, and are from (1) to (1)
The axial positions of the 18 broaching bit heads 2 arranged on the cutter head disc body 1 are sequentially increased in a regular distance increasing mode.
The positions of the plurality of broaching tool bits 2 which are arranged in the axial direction and the radial direction of the cutter head disc body 1 are sequentially increased in an increasing mode, the allowance of a workpiece to be cut is divided into N parts according to the number of the broaching tool bits 2, the cutter head is enabled to perform broaching operation on the plane of the workpiece when in work, the plurality of broaching tool bits sequentially cut off thin metal layers from the workpiece, the surface of the workpiece can reach higher dimensional accuracy and lower roughness, the broaching machining is an efficient machining method, in the field of metal cutting, the broaching machining principle that the broaching tool is used on the milling cutter disc is adopted for the first time, the problem that burrs are prone to occur on the surface of the workpiece machined by the milling cutter disc in the prior art is solved, the machining quality of the tool is improved, and the machining efficiency of finished products of the.
Embodiment one, cutter head disk body 1 is cylindrical aluminium system cutter head, aluminium system cutter head quality is lighter, better stability still can be guaranteed to the cutter head during operation that the diameter is greater than 200mm, install a plurality of adjustable cutter holders 3 on the cutter head disk body 1, install broach tool bit 2 on the adjustable cutter holder 3, adjustable cutter holder 3 is the common structure on the milling cutter dish among the prior art, a position for adjusting broach tool bit 2 and being located the milling cutter dish, cutter head disk body 1 in this embodiment also adopts adjustable cutter holder 3 structure, adjust the position of broach tool bit 2 on cutter head disk body 1, it is different according to broach tool bit 2 material, by the difference of cutting metal material difference and feed speed, carry out the cutting volume of properly adjusting broach tool bit 2.
In this embodiment, the adjustable toolholder 3 comprises a toolholder body 4, the toolholder body 4 having the broach head 2 mounted thereon;
the side wall of the peripheral surface of the cutter head disc body 1 is provided with a plurality of cutter holder mounting sliding grooves 5 which are matched with the cutter holder body 4 one by one, the cutter holder mounting sliding grooves 5 are provided with radial sliding openings on the side wall of the peripheral surface of the cutter head disc body 1, the end surface of the cutter holder cutting end 6 of each cutter holder mounting sliding groove 5 is provided with an axial sliding opening, the groove wall opposite to the axial sliding opening in each cutter holder mounting sliding groove 5 is provided with an axial adjusting screw hole 7, the axial adjusting screw hole 7 is provided with an axial adjusting screw 8 in a threaded manner, the groove wall opposite to the radial sliding opening in each cutter holder mounting sliding groove 5 is provided with a gasket fixing screw hole 9 and a cutter holder fixing screw hole;
the broaching tool bit 2 arranged on the tool holder body 4 penetrates out of the axial sliding opening, the broaching tool bit 2 protrudes out of the end face of the cutting end 6 of the tool head disc body 1, and the axial adjusting screw 8 contacts the end part of the tool holder body 4, so that the position of the tool holder body 4 in the tool holder mounting chute 5 is adjusted by adjusting the axial adjusting screw 8, and the axial position adjustment of the tool holder body 4 on the tool head disc body 1 is realized;
a tool holder adjusting gasket 13 is arranged between a groove wall opposite to the radial sliding opening in the tool holder mounting sliding groove 5 and the tool holder body 4, a gasket locking screw penetrates through the tool holder adjusting gasket 13 to be in threaded connection with a gasket fixing screw hole 9, a waist-shaped fixing hole 14 is formed in the tool holder body 4, the waist-shaped fixing hole 14 is used for moving when the tool holder body 4 is axially adjusted, a tool holder locking screw 12 penetrates through the waist-shaped fixing hole 14 and the tool holder adjusting gasket 13 to be in threaded connection with a tool holder fixing screw hole 10, and the tool holder body 4 is fixedly arranged in the tool holder mounting sliding groove 5 through the structure;
the thickness of the cutter holder adjusting gasket 13 in the cutter holder mounting chutes 5 is gradually increased from the cutter holder adjusting gasket 13 in the first cutter holder mounting chute 5 to the cutter holder adjusting gasket 13 in the last cutter holder mounting chute 5 according to the working rotating direction of the cutter head disc body 1, and the radial position of the cutter holder body 4 on the cutter head disc body 1 is adjusted through the thickness of the cutter holder adjusting gasket 13.
In this embodiment, the cutting edge of the broaching tool bit 2 is a PCD cutting edge welded to the broaching tool bit 2, which has high hardness and high wear resistance, and the service life of the tool is greatly prolonged.
In this embodiment, the cutting edge of the broach head 2 is a wiper edge structure, which ensures that the machined surface has a better finish.
In the second embodiment, the cutter head body 1 is a steel cutter head, which is beneficial to processing steel workpieces, and the steel cutter head can also adopt the related structure described in the first embodiment.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.
Claims (6)
1. The broaching cutter head is characterized by comprising a cutter head disc body, wherein a plurality of broaching cutter heads are respectively arranged on the cutter head disc body around the axle center of the cutter head disc body;
a plurality of among the broaching tool bit, follow a plurality of first broaching tool bit along blade disc disk body work direction of rotation to last broaching tool bit the broaching tool bit sets up position distance on the blade disc disk body the radial distance in blade disc disk body axle center is even apart from in proper order and increases progressively, follows a plurality of first broaching tool bit along blade disc disk body work direction of rotation to last broaching tool bit the broaching tool bit sets up axial position on the blade disc body is even apart from in proper order and increases progressively.
2. The broaching head of claim 1, wherein said head disk body is a cylindrical aluminum head disk, said head disk body having a plurality of adjustable tool holders mounted thereon, said adjustable tool holders having said broaching head mounted thereon.
3. The broach disc of claim 2, wherein the adjustable toolholder comprises a toolholder body on which the broach head is mounted;
the side wall of the peripheral surface of the cutter head disc body is provided with a plurality of cutter holder mounting sliding grooves which are matched with the cutter holder body one by one, the cutter holder mounting sliding grooves are provided with radial sliding openings on the side wall of the peripheral surface of the cutter head disc body, the end surface of the cutting end of the cutter head is provided with an axial sliding opening through the cutter holder mounting sliding grooves, the groove wall, opposite to the axial sliding opening, in the cutter holder mounting sliding grooves is provided with an axial adjusting screw hole, the axial adjusting screw hole is provided with an axial adjusting screw thread, the groove wall, opposite to the radial sliding opening, in the cutter holder mounting sliding grooves is provided with a gasket fixing screw hole and a cutter holder fixing screw hole, the gasket fixing screw hole;
a broaching tool bit arranged on the tool holder body penetrates out of the axial sliding opening, the broaching tool bit protrudes out of the cutting end face of the cutter head disc body, and the axial adjusting screw contacts with the end part of the tool holder body;
a tool holder adjusting gasket is arranged between a groove wall opposite to the radial sliding opening in the tool holder mounting sliding groove and the tool holder body, the gasket locking screw penetrates through the tool holder adjusting gasket and is in threaded connection with the gasket fixing screw hole, a waist-shaped fixing hole is formed in the tool holder body, and the tool holder locking screw penetrates through the waist-shaped fixing hole and the tool holder adjusting gasket and is in threaded connection with the tool holder fixing screw hole;
the thickness of the cutter holder adjusting gaskets in the cutter holder mounting sliding grooves is gradually increased from the cutter holder adjusting gasket in the first cutter holder mounting sliding groove to the cutter holder adjusting gasket in the last cutter holder mounting sliding groove according to the working rotating direction of the cutter head disc body.
4. The broach disc of claim 1, wherein the disc body is a steel disc.
5. The broach disc according to any one of claims 1-4, characterized in that the cutting edge of the broach insert is a PCD cutting edge which is welded to the broach insert.
6. The broach disc according to claim 5, wherein the cutting edge of the broach insert is a wiper edge structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011178876.7A CN112372039A (en) | 2020-10-29 | 2020-10-29 | Broaching cutter head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011178876.7A CN112372039A (en) | 2020-10-29 | 2020-10-29 | Broaching cutter head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112372039A true CN112372039A (en) | 2021-02-19 |
Family
ID=74576353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011178876.7A Pending CN112372039A (en) | 2020-10-29 | 2020-10-29 | Broaching cutter head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112372039A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1238734A1 (en) * | 2000-10-16 | 2002-09-11 | Karl-Heinz Holler | Rotatingly drivable cutting tool, especially for milling or sawing |
| CN1671501A (en) * | 2002-08-13 | 2005-09-21 | 钴碳化钨硬质合金维迪亚有限公司及两合公司 | Disk-shaped or strip-shaped tool |
| US20120269588A1 (en) * | 2010-09-29 | 2012-10-25 | Kennametal Inc. | Grooving insert and method for producing a grooving insert |
| CN207309044U (en) * | 2017-09-18 | 2018-05-04 | 神龙汽车有限公司 | A kind of reducing layered milling cutter |
| CN208067406U (en) * | 2018-04-10 | 2018-11-09 | 上海沃一机电设备有限公司 | Section plane wire rod quality between a kind of spiral |
| CN210702766U (en) * | 2019-07-04 | 2020-06-09 | 一汽-大众汽车有限公司 | Milling cutter |
| CN211192213U (en) * | 2019-08-15 | 2020-08-07 | 郑州市钻石精密制造有限公司 | Variable diameter and tooth height draw milling cutter disc and milling machine |
-
2020
- 2020-10-29 CN CN202011178876.7A patent/CN112372039A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1238734A1 (en) * | 2000-10-16 | 2002-09-11 | Karl-Heinz Holler | Rotatingly drivable cutting tool, especially for milling or sawing |
| CN1671501A (en) * | 2002-08-13 | 2005-09-21 | 钴碳化钨硬质合金维迪亚有限公司及两合公司 | Disk-shaped or strip-shaped tool |
| US20120269588A1 (en) * | 2010-09-29 | 2012-10-25 | Kennametal Inc. | Grooving insert and method for producing a grooving insert |
| CN207309044U (en) * | 2017-09-18 | 2018-05-04 | 神龙汽车有限公司 | A kind of reducing layered milling cutter |
| CN208067406U (en) * | 2018-04-10 | 2018-11-09 | 上海沃一机电设备有限公司 | Section plane wire rod quality between a kind of spiral |
| CN210702766U (en) * | 2019-07-04 | 2020-06-09 | 一汽-大众汽车有限公司 | Milling cutter |
| CN211192213U (en) * | 2019-08-15 | 2020-08-07 | 郑州市钻石精密制造有限公司 | Variable diameter and tooth height draw milling cutter disc and milling machine |
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| PB01 | Publication | ||
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Application publication date: 20210219 |
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| RJ01 | Rejection of invention patent application after publication |