CN211276655U - Rotary drill bit assembly - Google Patents
Rotary drill bit assembly Download PDFInfo
- Publication number
- CN211276655U CN211276655U CN201921374383.3U CN201921374383U CN211276655U CN 211276655 U CN211276655 U CN 211276655U CN 201921374383 U CN201921374383 U CN 201921374383U CN 211276655 U CN211276655 U CN 211276655U
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- drill bit
- box body
- rotary
- telescopic arm
- drill
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Abstract
The utility model discloses a rotary drill bit component, which comprises a rotary box body, a movable telescopic arm and a plurality of drill bits; the rotary box body is rotatably arranged at one end of the movable telescopic arm, and the other end of the movable telescopic arm is fixedly connected to the inner side wall or the inner top wall of the numerical control machine tool; the drill bit penetrates through the side wall of the rotary box body and extends to the inside to be detachably connected with a drill bit seat which is arranged in the rotary box body and is driven by a motor, and the drill bits are arranged at intervals along the circumferential direction; the movable telescopic arm can movably extend to the top of a workpiece to be machined by the numerical control machine tool by moving or telescopically driving the rotary box body, and the required drill bit can be adjusted to the vertical direction and is close to the workpiece to be machined by rotation of the rotary box body. This rotatory drill bit subassembly simple structure, convenient to use can swiftly rotate the drill bit of switching different types or the different machining diameter's of the same type drill bit, practices thrift machine tooling operating time, promotes digit control machine tool drilling work efficiency.
Description
Technical Field
The utility model relates to a digit control machine tool processing technology field specifically, relates to a rotatory drill bit subassembly.
Background
The numerical control drilling machine plays an important role in the aspects of punching and tapping. In practical applications, there are many different types of workpieces that need to be punched, especially some large workpieces with large diameter range, heavy weight and uneven surface.
The traditional process needs marking, aligning and drilling again, but because the workpiece is large in size and heavy and is difficult to move, when different types of holes need to be drilled, different drill bits are frequently replaced to bring inconvenience to machining, time and labor are wasted, and the machining efficiency of the numerical control machine tool is low.
Accordingly, it is highly desirable to provide a rotary drill bit assembly having multiple drill bits that can be quickly replaced for different types of different machining diameters as needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a rotatory drill bit subassembly, this rotatory drill bit subassembly simple structure, convenient to use can swiftly rotate the drill bit that switches different types of drill bit or different machining diameter of the same type, practices thrift machining operation time, promotes digit control machine tool drilling work efficiency.
In order to achieve the purpose, the utility model provides a rotary drill bit component, which comprises a rotary box body, a movable telescopic arm and a plurality of drill bits; wherein the content of the first and second substances,
the rotary box body is rotatably arranged at one end of the movable telescopic arm, and the other end of the movable telescopic arm is fixedly connected to the inner side wall or the inner top wall of the numerical control machine; the drill bit penetrates through the side wall of the rotary box body and extends to the inside to be detachably connected with a drill bit seat which is arranged in the rotary box body and is driven by a motor, and the drill bits are arranged at intervals along the circumferential direction; the movable telescopic arm can movably extend to the top of a workpiece to be machined by the numerical control machine tool by moving or telescopically driving the rotary box body, and the required drill bit can be adjusted to the vertical direction and is close to the workpiece to be machined by rotation of the rotary box body.
Preferably, the plurality of drills includes a plurality of twist drills, spade drills, deep hole drills, reamers and countersinks of different diameter ranges.
Preferably, the rotary box body is in a circular truncated cone shape, and a plurality of counterbores for mounting the drill bit are arranged on the side wall at intervals along the circumferential direction.
Preferably, the corners of the counterbore are rounded.
Preferably, the drill bit is installed with the drill bit seat through the reaming hole, and the reaming edge extends horizontally towards the drill bit direction to form a rubber check ring.
Preferably, the plurality of counterbores are evenly spaced in the circumferential direction.
Preferably, the front of the rotary box body is closed or opened by a circular end cover, and the circular end cover is fixedly connected to the rotary box body through threads.
Preferably, the circular end cover edge is formed with a plurality of bit identification areas in one-to-one correspondence with respective bits.
Preferably, the circular end cover is matched, limited and fixed with a square limiting bolt and a triangular limiting bolt which extend out of the rotary box body through a square limiting hole and a triangular limiting hole.
According to the technical scheme, the utility model is characterized in that the rotary box body is rotatably arranged at one end of the movable telescopic arm, and the other end of the movable telescopic arm is fixedly connected to the inner side wall or the inner top wall of the numerical control machine tool; therefore, the movable telescopic arm is opened to move or stretch, the rotary box body is driven to move and turn to extend to the top of a workpiece to be machined by the numerical control machine tool, and the layout of the inner part of the numerical control machine tool is flexibly and conveniently changed. And the drill bit penetrates through the side wall of the rotary box body and extends to the inside to be detachably connected with a drill bit seat which is arranged in the rotary box body and is driven by a motor, and the plurality of drill bits are arranged at intervals along the circumferential direction. By adopting the structure, the required drill bit can be adjusted to the vertical direction and is close to the workpiece for processing operation through the rotation of the rotary box body. After the drilling operation is finished, the drill bit is continuously and rotationally adjusted to the next drill bit, the telescopic arm is adjusted to the next drilling position through moving to enter the drilling operation, the whole process is convenient and fast, and time and labor are saved.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
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 specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a rotary drill bit assembly according to an embodiment of the present invention.
Description of the reference numerals
1-rotating case body 2-moving telescopic arm
3-bit 4-numerical control machine tool
5-workpiece 6-reaming
7-circular end cap 8-bit marking area
9-Square spacing hole 10-triangle spacing hole
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
In the present invention, unless otherwise specified, the terms of orientation such as "upper, lower, inner, outer" and the like included in the terms only represent the orientation of the terms in a conventional use state or are colloquially known by those skilled in the art, and should not be construed as limiting the terms.
Referring to fig. 1, the utility model provides a rotary drill bit assembly, which comprises a rotary box body 1, a movable telescopic arm 2 and a plurality of drill bits 3; wherein the content of the first and second substances,
the rotary box body 1 is rotatably arranged at one end of the movable telescopic arm 2, and the other end of the movable telescopic arm 2 is fixedly connected to the inner side wall or the inner top wall of the numerical control machine tool 4; the drill bit 3 penetrates through the side wall of the rotating box body 1 and extends to the inside to be detachably connected with a drill bit seat which is arranged in the rotating box body 1 and driven by a motor, and a plurality of drill bits 3 are arranged at intervals along the circumferential direction; the movable telescopic arm 2 can drive the rotary box body 1 to movably extend to the top of a workpiece 5 to be machined by the numerical control machine tool 4 through movement or stretching, and the required drill bit 3 can be adjusted to the vertical direction and is close to the workpiece 5 to be machined through rotation of the rotary box body 1.
According to the technical scheme, the rotary box body 1 is rotatably arranged at one end of the movable telescopic arm 2, and the other end of the movable telescopic arm 2 is fixedly connected to the inner side wall or the inner top wall of the numerical control machine tool 4; like this, open and remove flexible arm 2 and just can remove or stretch out and draw back, drive rotatory box 1 activity, turn to and extend to the top of treating 4 processing work pieces 5 of digit control machine tool, the nimble inside overall arrangement that conveniently changes 4 digit control machine tools. And then the drill bits 3 penetrate through the side wall of the rotating box body 1 and extend to the inside to be detachably connected with a drill bit seat which is arranged in the rotating box body 1 and is driven by a motor, and the plurality of drill bits 3 are arranged at intervals along the circumferential direction. With this structure, the desired drill 3 can be adjusted to the vertical direction and brought close to the workpiece 5 for machining operation by rotation of the rotary case 1. After the drilling operation is finished, the drill bit 3 is continuously and rotationally adjusted to the next drill bit, the telescopic arm 2 is adjusted to the next drilling position through moving to enter the drilling operation, the whole process is convenient and fast, and time and labor are saved.
In order to increase the number of drill bits that can be assembled in the rotary drill head assembly, expand the number of drill bits that can be drilled and the range of hole diameters, and optimize the practicability thereof, it is preferable that the plurality of drill bits 3 include a plurality of twist drills, flat drills, deep hole drills, expanding drills, and counter drills having different diameter ranges.
Among them, twist drills are the most widely used hole machining tools. Typically in the range of 0.25 to 80mm in diameter. It is mainly composed of a working part and a handle part, wherein the working part is provided with two spiral grooves which are shaped like a twist.
The cutting part of the flat drill is in a shovel shape, the structure is simple, the manufacturing cost is low, and cutting fluid is easily guided into the hole. The flat drill has an integral structure and an assembled structure. The integral type is mainly used for drilling micropores with the diameter of 0.03-0.5 mm. The assembled flat drill blade can be replaced, can adopt internal cooling and is mainly used for drilling large holes with the diameter of 25-500 mm.
Deep hole drilling generally refers to tools that machine holes having a ratio of hole depth to hole diameter greater than 6. Commonly used are gun drills, BTA gun drills, jet drills, DF gun drills, and the like.
The reaming drill has 3-4 cutter teeth, and the rigidity of the reaming drill is better than that of a twist drill, so that the reaming drill is used for enlarging the existing hole and improving the machining precision and the finish.
The countersink drill has more cutter teeth, and the hole end is processed into a required shape by a forming method and used for processing countersunk holes of various countersunk head screws or flattening the outer end surface of the hole.
In this embodiment, in order to facilitate the rotation of the rotary case 1 to adjust the position of the drill and to ensure the stability during the rotation, it is preferable that the rotary case 1 has a circular truncated cone shape and a plurality of counterbores 6 for mounting the drill are formed in the side wall at intervals in the circumferential direction.
The spare part of digit control machine tool and the part of processing thereof are mostly the metal of hard material and make, consequently form sharp edge on the reaming 6 and cause the mar to drill bit 3 easily if not handling, even with artifical manual installation drill bit 3's workman's fish tail, in order to avoid above-mentioned condition to take place, improve the security in this rotatory drill bit subassembly use, preferably, the corner rounding of reaming 6 is handled.
In order to solve the above technical problems, it is preferable that the drill bit 3 is installed to pass through the counterbore 6 and the bit seat, and the edge of the counterbore 6 extends horizontally toward the drill bit 3 to form a rubber check ring. Through using the normal installation dismantlement process that neither can influence drill bit 3 of rubber retaining ring, can keep off the metal debris that splashes again down, reduced the number of times that rotatory box 1 was damaged the maintenance.
In order to keep the rotating box body 1 as balanced as possible during the rotation adjustment process and after installing the plurality of drill bits 3 and reduce unnecessary abrasion caused by uneven stress on the joint of the rotating box body 1 and the movable telescopic arm 2, preferably, the plurality of counterbores 6 are uniformly arranged at intervals in the circumferential direction.
Because the inside part of rotatory box 1 and the many parts of the cooperation installation of a plurality of drill bits 3, open to form great maintenance operation space for the maintenance in order to make things convenient for it, improve work efficiency, preferably, rotatory box 1 the place ahead is sealed or is opened through circular end cover 7, and circular end cover 7 screw thread rigid coupling is to rotatory box 1 on.
Because the drill bits 3 are various, even the drill bits 3 of the same type may be arranged and assembled with a plurality of different machining diameters, in order to facilitate visual, simple and convenient grasping of specific parameters such as the type and position of the drill bits 3 in the manual adjustment or drilling machining process, it is preferable that the edge of the circular end cover 7 is formed with a plurality of drill bit identification areas 8 corresponding to the corresponding drill bits 3 one by one.
Similarly, the drill bits 3 of different kinds and different machining diameters are more in quantity, when the circular end cover 7 is disassembled and then is re-installed, in order to prevent the circular end cover 7 from being installed and dislocated, the drill bit identification area 8 cannot correspond to the corresponding drill bits 3 one by one, and the normal operation is seriously affected, preferably, the circular end cover 7 is matched and limited and fixed with the square limiting bolt and the triangular limiting bolt extending out of the rotary box body 1 through the square limiting hole 9 and the triangular limiting hole 10. Therefore, a mechanism for preventing misoperation can be formed by mutually matching the limiting bolt and the limiting hole, and dislocation after installation is effectively avoided.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (9)
1. A rotary drill bit assembly is characterized by comprising a rotary box body (1), a movable telescopic arm (2) and a plurality of drill bits (3); wherein the content of the first and second substances,
the rotary box body (1) is rotatably arranged at one end of the movable telescopic arm (2), and the other end of the movable telescopic arm (2) is fixedly connected to the inner side wall or the inner top wall of the numerical control machine tool (4); the drill bits (3) penetrate through the side wall of the rotating box body (1) and extend to the inside to be detachably connected with a drill bit seat which is arranged in the rotating box body (1) and driven by a motor, and a plurality of drill bits (3) are arranged at intervals along the circumferential direction; the movable telescopic arm (2) can be driven by moving or stretching to movably extend the rotary box body (1) to the top of a workpiece (5) to be machined by the numerical control machine tool (4), and the drill bit (3) can be adjusted to be vertical and close to the workpiece (5) to be machined by rotating the rotary box body (1).
2. The rotary drill bit assembly according to claim 1, characterized in that the plurality of drill bits (3) comprises a plurality of twist drills, spade drills, deep hole drills, reamers and countersinks of different diameter ranges.
3. The rotary drill bit assembly according to claim 1, characterized in that the rotary magazine (1) is frustoconical in shape and the side walls are provided with a plurality of counterbores (6) at intervals in the circumferential direction for bit mounting.
4. The rotary drill bit assembly of claim 3, wherein corners of the counterbore (6) are rounded.
5. A rotating drill bit assembly according to claim 3, characterized in that the drill bit (3) is mounted with the drill bit seat through the counterbore (6) and that the counterbore (6) edge is formed with a rubber collar extending horizontally towards the drill bit (3).
6. A rotating drill bit assembly according to claim 3, characterized in that a plurality of said counterbores (6) are evenly spaced in the circumferential direction.
7. The rotating bit assembly according to claim 3, characterized in that the front of the rotating casing (1) is closed or opened by a circular end cap (7), the circular end cap (7) being screwed onto the rotating casing (1).
8. The rotating bit assembly of claim 7, wherein the circular end cap (7) is formed with a plurality of bit identification areas (8) at its edge in one-to-one correspondence with respective ones of the bits (3).
9. The rotary drill bit assembly according to claim 7, characterized in that the circular end cap (7) is matched, limited and fixed with a square limiting bolt and a triangular limiting bolt extending from the inside of the rotary box body (1) through a square limiting hole (9) and a triangular limiting hole (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921374383.3U CN211276655U (en) | 2019-08-22 | 2019-08-22 | Rotary drill bit assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921374383.3U CN211276655U (en) | 2019-08-22 | 2019-08-22 | Rotary drill bit assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211276655U true CN211276655U (en) | 2020-08-18 |
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ID=72037058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921374383.3U Expired - Fee Related CN211276655U (en) | 2019-08-22 | 2019-08-22 | Rotary drill bit assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211276655U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554787A (en) * | 2020-12-03 | 2021-03-26 | 重庆文理学院 | TBM (tunnel boring machine) mechanical improved self-propelled boring device for tunnel boring and using method thereof |
-
2019
- 2019-08-22 CN CN201921374383.3U patent/CN211276655U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554787A (en) * | 2020-12-03 | 2021-03-26 | 重庆文理学院 | TBM (tunnel boring machine) mechanical improved self-propelled boring device for tunnel boring and using method thereof |
| CN112554787B (en) * | 2020-12-03 | 2024-02-02 | 重庆文理学院 | TBM mechanical improvement self-propelled punching device for tunnel punching and application method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200818 Termination date: 20210822 |