CN216758200U - Mounting structure of boring cutter of scraping and boring tumbling mill - Google Patents
Mounting structure of boring cutter of scraping and boring tumbling mill Download PDFInfo
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- CN216758200U CN216758200U CN202122748703.0U CN202122748703U CN216758200U CN 216758200 U CN216758200 U CN 216758200U CN 202122748703 U CN202122748703 U CN 202122748703U CN 216758200 U CN216758200 U CN 216758200U
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Abstract
The utility model discloses an installation structure of a boring cutter of a scraping and boring tumbling machine, which comprises the boring cutter, a connecting rod and a boring rod, wherein the boring cutter is detachably connected with the connecting rod, the connecting rod is detachably connected with the boring rod, the boring rod is provided with an axial first groove, the connecting rod comprises a head part and a tail part, the head part and the tail part are integrally connected, the tail part is arranged in the first groove, the side wall of the first groove is provided with two first through holes, the two first through holes are symmetrically arranged on the side wall of the first groove, the tail part of the connecting rod is provided with a waist-shaped hole, the position of the waist-shaped hole corresponds to that of the first through hole, and the connecting rod and the boring rod pass through the first through hole through a first screw rod and enter the waist-shaped hole to be detachably connected.
Description
Technical Field
The utility model relates to the technical field of boring cutters, in particular to a mounting structure of a boring cutter of a scraping and boring tumbling mill.
Background
The boring cutter is one kind of boring cutter, generally a round handle, and a square cutter bar is also used for a larger workpiece, and the most common occasions are inner hole machining, hole expanding, profiling and the like. There are one or two cutting portions dedicated to tools for roughing, semi-finishing or finishing existing holes. If the boring cutter cannot be well fixed during installation, the boring cutter is easy to jump during working, and the machining precision and the service life of the boring cutter are influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model aims to provide a mounting structure of a boring cutter of a scraping and boring tumbling machine, which enables the boring cutter to be well fixed.
In order to achieve the above purposes, the utility model adopts the technical scheme that: the utility model provides a scrape mounting structure of boring tumbling mill boring cutter, includes boring cutter, connecting rod and boring bar, the boring cutter with the connection can be dismantled to the connecting rod, the connecting rod with the connection can be dismantled to the boring bar, the boring bar is provided with the first recess of axial, the connecting rod includes head and afterbody, the head with afterbody body coupling, the afterbody sets up in the first recess, be provided with two first through-holes on the lateral wall of first recess, two the setting of first through-hole symmetry is in on the lateral wall of first recess, the afterbody of connecting rod is provided with waist shape hole, waist shape hole's position with the position of first through-hole is corresponding, the connecting rod with the boring bar passes through first screw rod first through-hole gets into waist shape hole and can dismantle the connection.
The beneficial effects of the utility model are: the first bolt penetrates through the first through hole and enters the waist-shaped hole to fix the connecting rod, so that the fixing is firm; through the symmetry set up two first through-holes, make the connecting rod rotatory balanced atress that gets up, the amplitude when reducing the connecting rod rotation makes installation mechanism rotatory more stable.
The utility model has the further improvement that the head part of the connecting rod is provided with an axial second groove, the side wall of the second groove is provided with a second through hole, and the boring cutter and the connecting rod are detachably connected by a second screw rod penetrating through the second through hole.
The utility model is further improved in that an external thread is arranged on the side wall of the tail part of the connecting rod, an internal thread is arranged in the first groove, and the connecting rod and the boring rod are fixed through the internal thread and the external thread.
In a further improvement of the utility model, the boring cutter comprises a cutter head and a connecting part, the cutter head and the connecting part are integrally connected, and the connecting part and the second screw abutting part are of a plane structure.
In a further development of the utility model, the cross-section of the head portion has a larger diameter than the cross-section of the tail portion, the head portion and the tail portion forming a projection.
In a further improvement of the present invention, two second through holes are provided, and the two second through holes are symmetrically provided on the side wall of the second groove.
Drawings
FIG. 1 is a perspective view of a mounting structure in accordance with a preferred embodiment of the present invention;
fig. 2 is a sectional view of a mounting structure according to a preferred embodiment of the present invention.
In the figure: 1. boring a rod; 11. a first groove; 2. a connecting rod; 21. a head portion; 22. a tail portion; 23. a second groove; 24. a waist-shaped hole; 3. boring cutter; 31. a cutter head; 32. a connecting portion; 4. a first screw; 5. a second screw.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.
Referring to fig. 1 and 2, the mounting structure of the boring cutter of the scraping and boring tumbling mill in the embodiment includes a boring cutter 3, a connecting rod 2 and a boring rod 1, the boring cutter 3 is detachably connected to the connecting rod 2, the connecting rod 2 is detachably connected to the boring rod 1, the boring rod 1 is provided with an axial first groove 11, the side wall of the tail portion 22 of the connecting rod 2 is provided with an external thread, the first groove 11 is internally provided with an internal thread, and the connecting rod 2 and the boring rod 1 are fixed through the internal thread and the external thread. The connecting rod 2 comprises a head part 21 and a tail part 22, the head part 21 and the tail part 22 are integrally connected, the diameter of the cross section of the head part 21 is larger than that of the cross section of the tail part 22, and the head part 21 and the tail part 22 form a boss. The tail portion 22 is arranged in the first groove 11, two first through holes are formed in the side wall of the first groove 11, the first through holes are symmetrically arranged on the side wall of the first groove 11, a waist-shaped hole 24 is formed in the tail portion 22 of the connecting rod, the position of the waist-shaped hole 24 corresponds to that of the first through hole, and the connecting rod and the boring rod 1 penetrate through the first screw rod 4 to enter the waist-shaped hole 24 to be detachably connected. The connecting rod is fixed and firmly fixed by a first bolt penetrating through the first through hole and entering the waist-shaped hole 24; through the symmetry set up two first through-holes, make the connecting rod rotatory balanced atress that gets up, the amplitude when reducing the connecting rod rotation makes installation mechanism rotatory more stable.
The head 21 of the connecting rod is provided with an axial second groove 23, the side wall of the second groove 23 is provided with a second through hole, and the boring cutter 3 and the connecting rod are detachably connected through a second screw 5 passing through the second through hole. The number of the second through holes is two, and the two second through holes are symmetrically arranged on the side wall of the second groove 23.
The boring cutter 3 of the present embodiment includes a cutter head 31 and a connecting portion 32, the cutter head 31 and the connecting portion 32 are integrally connected, and the abutting portion between the connecting portion 32 and the second screw 5 is a planar structure.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the present invention is not limited thereto, and any equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (6)
1. A mounting structure of a boring cutter of a scraping and boring tumbling mill comprises a boring cutter (3), a connecting rod (2) and a boring rod (1), wherein the boring cutter (3) is detachably connected with the connecting rod (2), the connecting rod (2) is detachably connected with the boring rod (1), and the mounting structure is characterized in that the boring rod (1) is provided with an axial first groove (11), the connecting rod (2) comprises a head part (21) and a tail part (22), the head part (21) is integrally connected with the tail part (22), the tail part (22) is arranged in the first groove (11), two first through holes are arranged on the side wall of the first groove (11) and symmetrically arranged on the side wall of the first groove (11), a waist-shaped hole (24) is arranged at the tail part (22) of the connecting rod (2), and the position of the waist-shaped hole (24) corresponds to the position of the first through hole, the connecting rod (2) and the boring rod (1) penetrate through the first through hole through the first screw (4) and enter the waist-shaped hole (24) to be detachably connected.
2. The mounting structure of the boring cutter of the scraping and boring tumbling mill according to claim 1, characterized in that the head (21) of the connecting rod (2) is provided with an axial second groove (23), the side wall of the second groove (23) is provided with a second through hole, and the boring cutter (3) and the connecting rod (2) are detachably connected through the second through hole by a second screw (5).
3. The mounting structure of the boring cutter of the scraping and boring tumbling mill according to claim 2, wherein the side wall of the tail part (22) of the connecting rod (2) is provided with an external thread, the first groove (11) is internally provided with an internal thread, and the connecting rod (2) and the boring rod (1) are fixed through the internal thread and the external thread.
4. The mounting structure of the boring cutter of the shaving-boring tumbling mill according to claim 3, wherein the boring cutter (3) comprises a cutter head (31) and a connecting part (32), the cutter head (31) and the connecting part (32) are integrally connected, and the abutting part of the connecting part (32) and the second screw (5) is a plane structure.
5. The mounting structure of the scraping-boring tumbling boring cutter as claimed in claim 4, wherein the diameter of the cross section of the head part (21) is larger than that of the cross section of the tail part (22), and the head part (21) and the tail part (22) form a boss.
6. The mounting structure of the boring and scraping tumbling mill boring cutter as claimed in claim 5, wherein two second through holes are provided, and the two second through holes are symmetrically arranged on the side wall of the second groove (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122748703.0U CN216758200U (en) | 2021-11-10 | 2021-11-10 | Mounting structure of boring cutter of scraping and boring tumbling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122748703.0U CN216758200U (en) | 2021-11-10 | 2021-11-10 | Mounting structure of boring cutter of scraping and boring tumbling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216758200U true CN216758200U (en) | 2022-06-17 |
Family
ID=81962873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122748703.0U Active CN216758200U (en) | 2021-11-10 | 2021-11-10 | Mounting structure of boring cutter of scraping and boring tumbling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216758200U (en) |
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2021
- 2021-11-10 CN CN202122748703.0U patent/CN216758200U/en active Active
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