CN214977980U - Wear-resisting structure of boring cutter - Google Patents
Wear-resisting structure of boring cutter Download PDFInfo
- Publication number
- CN214977980U CN214977980U CN202121540788.7U CN202121540788U CN214977980U CN 214977980 U CN214977980 U CN 214977980U CN 202121540788 U CN202121540788 U CN 202121540788U CN 214977980 U CN214977980 U CN 214977980U
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- China
- Prior art keywords
- wear
- resistant
- broaching
- boring cutter
- groove
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- Expired - Fee Related
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- 230000000392 somatic effect Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 210000003746 feather Anatomy 0.000 abstract description 2
- 230000001771 impaired effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
The utility model relates to a wear-resistant structure of a broaching and boring cutter, which comprises a broaching and boring cutter body, a cutter and a guide key, wherein the cutter and the guide key are arranged at the operation position of the broaching and boring cutter body; the utility model has the advantages of reasonable design, set up the wear-resisting position of feather key alone, make it can dismantle with this somatic part and be connected, can change after the wearing part is impaired to keep this somatic part to carry out manifold cycles and use, reduced the use cost of drawing the boring cutter, reduced the use of material.
Description
Technical Field
The utility model relates to a deep hole machining technical field especially relates to a wear-resisting structure of boring cutter draws.
Background
Machine adds gun drill in the course of working, need imbed installation guide key in the outside of drawing the boring cutter, rely on guide key and external contact, realize better wear-resisting effect, prevent to draw boring cutter body and external contact, this guide key is detachable construction certainly, after guide key wearing and tearing, can change it, but the guide key that uses at present is overall structure, its wear-resisting position is protruding to the outside generally, after this position wearing and tearing, need change whole guide key, to the user, great burden has been caused on the cost, unnecessary material waste has also been produced simultaneously.
Disclosure of Invention
In order to solve the deficiencies in the prior art, the utility model aims to provide a wear-resisting structure of boring cutter draws, through split type mounting structure, reduces the use cost of feather key.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a wear-resisting structure of boring cutter draws, includes boring cutter body and installs cutter and the guide key in its operation position, its characterized in that:
the guide key comprises a body part and a wear-resistant part which are independently arranged, the body part is positioned in the mounting groove of the cutter, a clamping groove corresponding to the wear-resistant part is arranged between the body part or the body part and the inner wall of the mounting groove, the wear-resistant part is embedded and mounted in the clamping groove and is pressed and fixed by the inner wall of the clamping groove, and the operation position of the wear-resistant part is exposed out of the outer side wall of the body part.
The edge of the wear-resistant part is provided with a pressing part, and the inner wall of the clamping groove forms a pressing part for pressing and fixing the pressing part downwards.
The lower pressing part is of a convex structure or an inclined plane structure.
The clamping groove is positioned on the body part and is of a through hole structure.
The clamping groove is positioned between the body part and the mounting groove, and the body part and the boring cutter body are matched with each other to fix the wear-resistant part together.
The body part is provided with a mounting hole, and the mounting hole is fixedly connected with the boring cutter body through a bolt.
The outer side of the mounting hole is a blind hole section, and the head of the bolt is located in the blind hole section.
The bottom of the wear-resistant portion is further provided with a groove portion, a protruding portion matched with the groove portion in shape is arranged on the inner wall of the mounting groove, and the protruding portion is located in the groove portion.
The utility model has the advantages that: structural design is reasonable, sets up the wear-resisting position of direction key alone, makes it can dismantle with this somatic part and be connected, can change after wear-resisting portion is impaired to keep this somatic part to carry out manifold cycles and use, reduced the use cost who draws the boring cutter, reduced the use of material.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of a broaching and boring tool body in the prior art.
FIG. 2 is a front side structure diagram of the operation position of the boring cutter body.
FIG. 3 is a rear side structure diagram of the operation position of the boring cutter body.
Fig. 4 and 5 are schematic structural views of the operation positions of the boring cutter body according to the first embodiment.
FIG. 6 is a schematic cross-sectional view of a guiding key position according to an embodiment.
Fig. 7 is a schematic view of the split structure of fig. 6.
FIG. 8 is a schematic cross-sectional view of the second guiding key of the embodiment.
FIG. 9 is a schematic sectional view showing the three guiding key positions of the embodiment.
In the figure: 100-pull boring cutter body, 101-coolant outlet, 102-clamping groove, 200-cutter, 300-guide key, 401-body part, 402-wear part, 403-mounting hole and 404-groove part.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
As shown in fig. 4 to 7: the embodiment provides a wear-resisting structure of a broaching and boring cutter, which comprises a broaching and boring cutter body 100, a cutter 200 and a guide key 300, wherein the cutter 200 and the guide key 300 are arranged at the operation position of the broaching and boring cutter body, the cutter 200 is arranged and fixed at the front side, the guide key 300 is provided with two groups and is arranged and fixed at the rear side, and the broaching and boring cutter comprises:
the guiding key 300 comprises a set of body 401 and two sets of wear-resistant parts 402, which are separately arranged, the body 401 is located at the middle position in the mounting groove of the cutter 200, the two sets of wear-resistant parts 402 are respectively located at two ends of the body 401, wherein:
the wear-resistant part 402 is round or rectangular, and the side surface of the wear-resistant part is an inclined surface, so that the wear-resistant part forms a conical or quadrangular pyramid pressing part;
a mounting hole 403 is formed in the middle of the body 401, the mounting hole 403 is fixedly connected with the boring cutter body 100 through a bolt and used for fixing the body 401, and the wear-resistant portion 402 is pressed and fixed through the body 401, a blind hole section is formed outside the mounting hole 403, the head of the bolt is located in the blind hole section and used for keeping the surface of the outer side surface of the body 401 flat, a protruding structure outside the wear-resistant portion 402 is omitted, and a space where the wear-resistant portion 402 is in contact with the external environment is kept;
the clamping grooves 102 corresponding to the wear-resistant portions 402 are respectively arranged at two ends of the body portion 401, each clamping groove 102 is of a through hole structure, the shape of the inner wall of each clamping groove 102 is matched with the shape of the outer wall of each wear-resistant portion 402, the inner wall of each clamping groove 102 forms a pressing portion used for pressing and fixing the pressing portion of each wear-resistant portion 402 downwards, so that the wear-resistant portions 402 are embedded and installed in the clamping grooves 102, the operation positions of the wear-resistant portions 402 are exposed out of the outer side wall of the body portion 401, the side walls of the wear-resistant portions 402 are in close contact with the inner walls of the clamping grooves 102, and a good assembling and connecting effect is achieved.
Example two
As shown in fig. 8: the embodiment provides a wear-resistant structure of a boring cutter, which is different from the first embodiment in that the bottom of the wear-resistant part 402 is further provided with a groove part 404, the groove part 404 is of a spherical structure, the inner wall of the mounting groove is provided with a protrusion part matched with the shape of the groove part 404, and the protrusion part is located in the groove part 404, in the structure, the outer side of the wear-resistant part 402 is pressed by the body part 401, and meanwhile, the groove part 404 and the wear-resistant part 402 are limited to prevent the wear-resistant part 402 from moving, so that a good assembly structure is maintained, and the use requirement is met.
EXAMPLE III
As shown in fig. 9: the present embodiment provides a wear-resistant structure of a boring tool, which is different from the first embodiment in that a slot 102 corresponding to the wear-resistant portion 402 is provided between the body portion 401 and the inner wall of the installation groove, instead of the slot 102 separately located on the body portion 401 in the first embodiment, wherein:
the upper end and the lower end of the wear-resistant part 402 are respectively provided with a pressing part, the corresponding positions of the body part 401 and the inner wall of the mounting groove respectively form a pressing part with matched shapes, the structure of the embodiment is basically the same as that of the embodiment, but the mounting process of the wear-resistant part 402 can be realized by means of partial structure of the boring cutter body 100, so that the processing difficulty of the body part 401 is reduced.
The above is only the preferred embodiment of the present invention, as long as the preferred embodiment is realized by the same means, the objective technical solution of the present invention all belongs to the protection scope of the present invention.
Claims (8)
1. The utility model provides a wear-resisting structure of boring cutter draws, includes boring cutter body and installs cutter and the guide key in its operation position, its characterized in that:
the guide key comprises a body part and a wear-resistant part which are independently arranged, the body part is positioned in the mounting groove of the cutter, a clamping groove corresponding to the wear-resistant part is arranged between the body part or the body part and the inner wall of the mounting groove, the wear-resistant part is embedded and mounted in the clamping groove and is pressed and fixed by the inner wall of the clamping groove, and the operation position of the wear-resistant part is exposed out of the outer side wall of the body part.
2. The wear-resistant structure of the broaching and boring tool as recited in claim 1, wherein: the edge of the wear-resistant part is provided with a pressing part, and the inner wall of the clamping groove forms a pressing part for pressing and fixing the pressing part downwards.
3. The wear-resistant structure of the broaching and boring tool as recited in claim 2, wherein: the lower pressing part is of a convex structure or an inclined plane structure.
4. The wear-resistant structure of the broaching and boring tool as recited in claim 1, wherein: the clamping groove is positioned on the body part and is of a through hole structure.
5. The wear-resistant structure of the broaching and boring tool as recited in claim 1, wherein: the clamping groove is positioned between the body part and the mounting groove, and the body part and the boring cutter body are matched with each other to fix the wear-resistant part together.
6. The wear-resistant structure of the broaching and boring tool as recited in claim 1, wherein: the body part is provided with a mounting hole, and the mounting hole is fixedly connected with the boring cutter body through a bolt.
7. The wear-resistant structure of the broaching and boring tool as recited in claim 6, wherein: the outer side of the mounting hole is a blind hole section, and the head of the bolt is located in the blind hole section.
8. The wear-resistant structure of the broaching and boring tool as recited in claim 1, wherein: the bottom of the wear-resistant portion is further provided with a groove portion, a protruding portion matched with the groove portion in shape is arranged on the inner wall of the mounting groove, and the protruding portion is located in the groove portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121540788.7U CN214977980U (en) | 2021-07-08 | 2021-07-08 | Wear-resisting structure of boring cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121540788.7U CN214977980U (en) | 2021-07-08 | 2021-07-08 | Wear-resisting structure of boring cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214977980U true CN214977980U (en) | 2021-12-03 |
Family
ID=79102241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121540788.7U Expired - Fee Related CN214977980U (en) | 2021-07-08 | 2021-07-08 | Wear-resisting structure of boring cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214977980U (en) |
-
2021
- 2021-07-08 CN CN202121540788.7U patent/CN214977980U/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: 20211203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |