CN212793434U - Novel thread milling cutter - Google Patents
Novel thread milling cutter Download PDFInfo
- Publication number
- CN212793434U CN212793434U CN202021592123.6U CN202021592123U CN212793434U CN 212793434 U CN212793434 U CN 212793434U CN 202021592123 U CN202021592123 U CN 202021592123U CN 212793434 U CN212793434 U CN 212793434U
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- Prior art keywords
- tooth
- milling
- cutter
- tapping
- milling cutter
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- 238000003801 milling Methods 0.000 title claims abstract description 112
- 238000010079 rubber tapping Methods 0.000 claims abstract description 38
- 230000007704 transition Effects 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 7
- 239000000956 alloy Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 8
- 238000003754 machining Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000010030 laminating Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000005520 cutting process Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
The utility model discloses a novel thread milling cutter, concretely relates to milling cutter field, including the thread milling cutter body, the thread milling cutter body includes fixed handle of a knife and cutter arbor, and the smear metal guide slot has been seted up on the surface of cutter arbor, and the surface of cutter arbor is equipped with the secondary and repaiies and mills tooth and tapping and mill tooth, and the secondary is repaiied and is milled tooth and tapping and mill and be equipped with the transition cutter arbor between the tooth, and the tapping mills the tip that the tooth is located the cutter arbor, and the smear metal guide slot runs through the secondary and repaiies the surface that. The utility model discloses set up the tapping and mill tooth and the secondary is maintained and is milled the tooth, utilizes the secondary to mill the process and mill the operation to the screw thread and carry out the high efficiency and mill, avoids traditional multiple tooth thread milling cutter to occupy the problem that the processing space multirow bits are out of order, and utilizes the tapping to mill the direct inner wall with the deep hole of tooth and move the laminating, and direct contact through deep hole inner wall and milling tooth realizes that it is concentric to the alignment of milling cutter, keeps the thread milling machining precision, improves processingquality.
Description
Technical Field
The utility model relates to a milling cutter technical field, more specifically says, the utility model specifically is a novel thread milling cutter.
Background
As the application of a thread milling technique to machine manufacturing has been increasing, a thread milling cutter, which is provided with a thread cutting edge on the outer periphery of a tool body and performs thread cutting by relatively moving with respect to a workpiece while rotating around the axial center by a driving device such as an NC milling machine, has been conventionally used as a tool for cutting a thread on the workpiece.
Traditional thread milling cutter's cutting edge is covered with the thread machining tooth, linkage through the digit control machine tool, utilize shaping thread milling cutter to carry out the spiral interpolation and form the screw thread, the screw thread machining can be accomplished to cutter along spiral line processing a week, also can reach the screw thread requirement degree of depth for several weeks of many rotations, many tooth thread milling cutter occupy process space, the chip removal is not in order, cause the wearing and tearing of cutter easily, reduce the life of cutter, in addition, traditional thread milling cutter's terminal surface generally adopts toper end structure for the tool feed, milling cutter will debug when milling the screw thread and hole keep concentric, thereby lead to production efficiency to hang down, and probably because hole and milling cutter fail concentric and cause product quality unstability, and the production cost is increased.
It is therefore desirable to provide a new thread milling cutter.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a novel thread milling cutter mills tooth and secondary through setting up the tapping and repaiies the milling tooth, utilize the secondary to mill the process and mill the operation to the screw thread and carry out high-efficient milling, avoid traditional multiple tooth thread milling cutter to occupy the problem that processing space multirow bits are out of order, and utilize the tapping to mill the direct inner wall with the deep hole of tooth and move the laminating, direct contact through deep hole inner wall and milling tooth realizes concentric to milling cutter's alignment, with the problem of proposition in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel thread milling cutter, includes the thread milling cutter body, the thread milling cutter body is including fixed handle of a knife and cutter arbor, the smear metal guide slot has been seted up on the surface of cutter arbor, the surface of cutter arbor is equipped with the secondary and repaiies and mills tooth and tapping and mill tooth, the secondary is repaiied and is milled tooth and tapping and mill and be equipped with the transition cutter arbor between the tooth, the tapping mills the tip that the tooth is located the cutter arbor, the smear metal guide slot runs through the secondary and repaiies the surface of milling tooth and tapping and milling tooth.
In a preferred embodiment, the ends of the fixed shank and the shank are provided with a transition section, the shank having a smaller diameter than the fixed shank.
In a preferred embodiment, the fixed tool shank, the tool bar, the secondary finishing milling teeth and the tapping milling teeth are of an integrally formed structure, and the thread milling cutter body is made of a K44 hard alloy material component.
In a preferred embodiment, the secondary finishing milling teeth and the tapping milling teeth are in a convex structure, the cross section of each tapping milling tooth is in an isosceles triangle structure, and the included angle between two sides of the cross section of each tapping milling tooth is 55 degrees.
In a preferred embodiment, the chip guide groove is of a right-handed inclined structure, and the inner side of the chip guide groove is of a circular arc smooth surface structure.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a set up tapping and mill the tooth and the secondary is maintained and is milled the tooth, utilizes the secondary to mill the process and mill the operation to the screw thread and carry out high-efficient milling, avoids traditional multiple tooth thread milling cutter to occupy the problem that the processing space multirow bits are not in good order, and through the smear metal guide slot that runs through milling the tooth, realizes quick chip removal, prevents that the sweeps from causing cutter wearing and tearing, improves cutter life;
2. the utility model discloses a set up plane tip structure, utilize the tapping to mill the inner wall of tooth direct and deep hole and move the laminating, directly through the deep hole inner wall with mill the contact of tooth realize concentric to milling cutter's alignment, keep screw thread milling machining precision, improve processingquality.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the end structure of the milling cutter of the present invention.
Fig. 3 is a schematic structural diagram of a in fig. 1 according to the present invention.
The reference signs are: 1. a thread milling cutter body; 11. fixing a knife handle; 12. a cutter bar; 2. a chip guide groove; 3. secondarily finishing and milling teeth; 4. tapping and milling teeth; 5. a transition cutter bar.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The novel thread milling cutter as shown in the attached figures 1-3 comprises a thread milling cutter body 1, wherein the thread milling cutter body 1 comprises a fixed cutter handle 11 and a cutter rod 12, a chip guide groove 2 is formed in the surface of the cutter rod 12, a secondary finishing milling tooth 3 and a tapping milling tooth 4 are arranged on the surface of the cutter rod 12, a transition cutter rod 5 is arranged between the secondary finishing milling tooth 3 and the tapping milling tooth 4, the tapping milling tooth 4 is located at the end part of the cutter rod 12, and the chip guide groove 2 penetrates through the surface of the secondary finishing milling tooth 3 and the tapping milling tooth 4.
The implementation mode is specifically as follows: the tapping milling teeth 4 and the secondary finishing milling teeth 3 are arranged, the secondary milling process is utilized to perform milling operation on threads for efficient milling, the problem that the traditional multi-tooth thread milling cutter occupies a processing space and multiple rows of chips are not smooth is solved, quick chip removal is realized through the chip guide grooves 2 penetrating through the milling teeth, the abrasion of a cutter caused by waste chips is prevented, and the service life of the cutter is prolonged; additionally, the utility model discloses a set up plane end structure, utilize the tapping to mill the inner wall of tooth 4 directness and deep hole and move the laminating, direct contact through deep hole inner wall and milling tooth realizes concentric to the alignment of milling cutter, keeps the screw thread milling precision, improves processingquality.
In a preferred embodiment, the end parts of the fixed tool shank 11 and the tool bar 12 are provided with transition sections, and the diameter of the tool bar 12 is smaller than that of the fixed tool shank 11 for limiting the machining depth and preventing the fixed tool shank 11 and the tool bar 12 from being twisted off due to the increase of the over-deep machining moment.
In a preferred embodiment, the fixed shank 11, the cutter bar 12, the secondary finishing milling teeth 3 and the tapping milling teeth 4 are of an integrally formed structure, and the thread milling cutter body 1 is made of a K44 hard alloy material, so that the structural strength of the milling cutter is improved.
In a preferred embodiment, the secondary finishing milling teeth 3 and the tapping milling teeth 4 are in a convex structure, the cross section of the tapping milling teeth 4 is in an isosceles triangle structure, and the included angle between two sides of the cross section of the tapping milling teeth 4 is 55 degrees, so that the sharpness of the cutting part of the milling teeth is improved.
In a preferred embodiment, the chip guide groove 2 is of a right-handed inclined structure, and the inner side of the chip guide groove 2 is of a circular arc smooth surface structure, so that waste chips are quickly led out.
The utility model discloses the theory of operation:
firstly, a milling cutter with a proper size and specification is selected, the milling cutter is fixed with a milling machine processing end through a fixed cutter handle 11, tapping milling teeth 4 at the bottom end of a thread milling cutter body 1 are aligned with a deep hole to be processed, feeding milling is started, the milling cutter is aligned concentrically through the contact of the inner wall of the deep hole and the milling teeth, the thread milling precision is kept, in the milling process, scraps are led out through the rotation of a chip guide groove 2, after the deep hole is screwed to a certain depth, secondary finishing milling teeth 3 enter the deep hole, secondary processing is carried out on threads formed by milling the tapping milling teeth 4, the depth and the flatness of the threads are guaranteed, and the processing quality is improved.
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 present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a novel thread milling cutter, includes thread milling cutter body (1), its characterized in that: thread milling cutter body (1) is including fixed handle of a knife (11) and cutter arbor (12), smear metal guide slot (2) have been seted up on the surface of cutter arbor (12), the surface of cutter arbor (12) is equipped with the secondary and repaiies milling tooth (3) and tapping milling tooth (4), the secondary is repaiied and is milled tooth (3) and tapping and mill and be equipped with transition cutter arbor (5) between tooth (4), the tapping mills the tip that tooth (4) are located cutter arbor (12), smear metal guide slot (2) run through the secondary and repaiies the surface of milling tooth (3) and tapping milling tooth (4).
2. The new thread milling cutter as set forth in claim 1, wherein: the end parts of the fixed knife handle (11) and the knife rod (12) are provided with transition sections, and the diameter of the knife rod (12) is smaller than that of the fixed knife handle (11).
3. The new thread milling cutter as set forth in claim 1, wherein: the thread milling cutter is characterized in that the fixed cutter handle (11), the cutter rod (12), the secondary finishing milling teeth (3) and the tapping milling teeth (4) are of an integrally formed structure, and the thread milling cutter body (1) is a K44 hard alloy material component.
4. The new thread milling cutter as set forth in claim 1, wherein: the secondary finishing milling teeth (3), the secondary finishing milling teeth (3) and the tapping milling teeth (4) are of a protruding structure, the cross section of the tapping milling teeth (4) is of an isosceles triangle structure, and included angles on two sides of the cross section of the tapping milling teeth (4) are 55 degrees.
5. The new thread milling cutter as set forth in claim 1, wherein: the chip guide groove (2) is of a right-handed inclined structure, and the inner side of the chip guide groove (2) is of an arc smooth surface structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021592123.6U CN212793434U (en) | 2020-08-04 | 2020-08-04 | Novel thread milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021592123.6U CN212793434U (en) | 2020-08-04 | 2020-08-04 | Novel thread milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212793434U true CN212793434U (en) | 2021-03-26 |
Family
ID=75105644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021592123.6U Expired - Fee Related CN212793434U (en) | 2020-08-04 | 2020-08-04 | Novel thread milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212793434U (en) |
-
2020
- 2020-08-04 CN CN202021592123.6U patent/CN212793434U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210326 |