Tool bit machining device of disposable drill bit for numerical control deep hole machining
By designing a cutting head processing device including a fastening block and a placement head, the problem of unfixed fixation of the discarded drill bit is solved, the stability of the cutting head is achieved, and the quality and stability of the CNC deep hole processing is improved.
Patent Information
- Application Number
- CN202421126397.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-05-22
AI Technical Summary
In CNC deep hole processing, the cutter head of the discarded drill bit is small in size and is not firmly fixed, resulting in position deviation, affecting the processing quality.
A cutting head processing device including a placement body and a fixing rod is designed. The cutting head is fixed by a fastening block and a placement head through a structure, and the cutting head is fixed by a fastening screw and a nut, and further fixed by a screw to ensure that the cutting head does not deviate from position. shift.
Effectively fixing the cutter head of the discarded drill bit improves machining stability and quality, and ensures the accuracy of CNC deep hole processing.
Smart Images

Figure CN222345352U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of metal cutting tools for mechanical processing, in particular to a tool head processing device of a discarded drill bit for numerical control deep hole processing. Background Art
[0002] In the CNC deep hole processing technology, the use of disposable drill bits with replaceable cutter heads can significantly reduce production costs and improve economic benefits. In the production process of disposable drill bits, the drill bit raw material needs to be clamped and fixed to process the drill bit. For some disposable drill bits for CNC deep hole processing, because their cutter heads are small in size, the cutter heads are not firmly fixed during the positioning processing using conventional fixed equipment, and the position is easily shifted due to force, which affects the cutter head processing of the disposable drill bits and even directly affects the quality of the disposable drill bits for CNC deep hole processing. Summary of the invention
[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and to provide a tool head processing device for a discarded drill bit for CNC deep hole processing which can not only firmly fix the tool head of a discarded drill bit during positioning processing so that the tool head is not easily displaced when subjected to force, thereby ensuring the tool head processing quality of the discarded drill bit, but also has a simple structure.
[0004] In order to solve the above technical problems, the utility model adopts a tool head processing device for a discarded drill bit for CNC deep hole processing, including a placement body and a fixing rod. The placement body and the fixing rod are made of one piece. The placement body includes a fastening block and a placement head. The fastening block is in the shape of a vertical rectangular parallelepiped. Both sides of the fastening block contain the shortest sides of the rectangular parallelepiped. The placement head is arranged above the fastening block. The placement head includes a first vertical plate, a second vertical plate, a third vertical plate, a fourth vertical plate and a placement groove. The first vertical plate and the second vertical plate are respectively vertically arranged at the two outer edges of one side of the upper end surface of the fastening block and are arranged in an L shape. The third vertical plate and the fourth vertical plate are respectively vertically arranged in the fastening The two outer edges on the other side of the upper end surface of the block are arranged in an L shape, the first vertical plate, the second vertical plate and the third vertical plate, the fourth vertical plate are rotationally symmetrically arranged with the vertical center of the fastening block, the inner side surfaces of the first vertical plate, the second vertical plate and the inner side surfaces of the third vertical plate, the fourth vertical plate and the upper end surface of the fastening block form the placement groove, a groove is provided in the center of the upper end surface of the fastening block and perpendicular to the long side of the upper end surface of the fastening block, the groove extends downward from the upper end surface of the fastening block to the lower part of the fastening block, a through hole is provided in the middle of the side surface of the fastening block, the through hole passes through the fastening block, and the placement body is fastened to the placement head by tightening the nut with a fastening screw passing through the through hole.
[0005] As a preferred embodiment of the present invention, the first vertical plate side surface, the second vertical plate side surface, the third vertical plate side surface and the fourth vertical plate side surface are respectively provided with a first fixing hole, a second fixing hole, a third fixing hole and a fourth fixing hole with threads.
[0006] As a preferred embodiment of the present invention, the fastening block and the placement head are an integral piece formed in one piece.
[0007] After adopting the above structure, the utility model has the following beneficial effects:
[0008] The utility model discloses a tool head processing device for a discarded drill bit for CNC deep hole processing, comprising a placement body and a fixing rod, wherein the placement body and the fixing rod are integrally formed, the placement body comprises a fastening block and a placement head, the fastening block is in the shape of a vertical rectangular parallelepiped, the two sides of the fastening block contain the shortest sides of the rectangular parallelepiped, the placement head is arranged above the fastening block, the placement head comprises a first vertical plate, a second vertical plate, a third vertical plate, a fourth vertical plate and a placement groove, the first vertical plate and the second vertical plate are respectively vertically arranged at the two outer edges of one side of the upper end surface of the fastening block and are arranged in an L shape, the third vertical plate and the fourth vertical plate are respectively vertically arranged at the two outer edges of the other side of the upper end surface of the fastening block The first and second vertical plates are arranged at the outer edge in an L shape, and the third and fourth vertical plates are rotationally symmetrically arranged with respect to the vertical center of the fastening block. The inner side surfaces of the first and second vertical plates and the inner side surfaces of the third and fourth vertical plates and the upper end surface of the fastening block form the placement groove. A groove is provided in the center of the upper end surface of the fastening block and perpendicular to the long side of the upper end surface of the fastening block. The groove extends downward from the upper end surface of the fastening block to the lower part of the fastening block. A through hole is provided in the middle of the side surface of the fastening block, and the through hole passes through the fastening block. The placement body fastens the placement head by tightening the nut through the through hole with a fastening screw. During processing, the utility model puts the cutter head of the discarded drill bit into the placement groove, and the first vertical plate, the second vertical plate and the third vertical plate and the fourth vertical plate respectively block the two sides of the cutter head, and the fastening screw is passed through the through hole of the fastening block, and then the fastening screw is tightened with a nut to narrow the groove width of the fastening block, so that the placement head is tightened and the cutter head of the discarded drill bit is firmly clamped, so that it is not easy to cause position displacement when subjected to force, and then the fixing rod is installed on the processing machine to process the cutter head, thereby ensuring the processing quality of the cutter head of the discarded drill bit, thereby ensuring the quality of the discarded drill bit used for CNC deep hole processing.
[0009] The first vertical plate side surface, the second vertical plate side surface, the third vertical plate side surface and the fourth vertical plate side surface are respectively provided with a first fixing hole, a second fixing hole, a third fixing hole and a fourth fixing hole with threads. In this way, the cutter head of the discarded drill can be further fixed with screws through the first fixing hole, the second fixing hole, the third fixing hole and the fourth fixing hole, and the stability of the cutter head processing is further improved.
[0010] The fastening block and the placement head of the utility model are an integral piece formed in one piece. Such a structure makes the entire placement body more stable and reliable. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] The specific implementation of the utility model is further described in detail below in conjunction with the accompanying drawings.
[0012] Figure 1 The utility model is a three-dimensional schematic diagram of a structure of a cutter head processing device of a discarded drill bit for CNC deep hole processing.
[0013] Figure 2 It is a three-dimensional schematic diagram of the cutter head of a discard drill bit for CNC deep hole machining according to the utility model. DETAILED DESCRIPTION
[0014] See also Figure 1 , Figure 2 The tool head processing device of a disposable drill bit for CNC deep hole processing shown in the figure includes a placement body 1 and a fixing rod 2. The placement body 1 is made of an integral body with the fixing rod 2. The placement body 1 includes a fastening block 3 and a placement head 4. The fastening block 3 is in the shape of a vertical rectangular parallelepiped. The two sides of the fastening block 3 contain the shortest sides of the rectangular parallelepiped. The placement head 4 is arranged above the fastening block 3. The placement head 4 includes a first vertical plate 4-1, a second vertical plate 4-2, a third vertical plate 4-3, a fourth vertical plate 4-4 and a placement groove 4-5. The first vertical plate 4-1 and the second vertical plate 4-2 are respectively vertically arranged at the two outer edges of one side of the upper end surface of the fastening block 3 and are arranged in an L shape. The third vertical plate 4-3 and the fourth vertical plate 4-4 are respectively vertically arranged at the two outer edges of the other side of the upper end surface of the fastening block 3. The first vertical plate 4-1, the second vertical plate 4-2 and the third vertical plate 4-3, the fourth vertical plate 4-4 are rotationally symmetrically arranged with respect to the vertical center of the fastening block 3. The inner side surfaces of the first vertical plate 4-1, the second vertical plate 4-2 and the inner side surfaces of the third vertical plate 4-3, the fourth vertical plate 4-4 and the upper end surface of the fastening block 3 form the placement groove 4-5. A groove 5 is provided in the center of the upper end surface of the fastening block 3 and perpendicular to the long side of the upper end surface of the fastening block 3. The groove 5 extends downward from the upper end surface of the fastening block 3 to the lower part of the fastening block 3. A through hole 6 is provided in the middle of the side surface of the fastening block 3. The through hole 6 penetrates the fastening block 3. The placement body 1 fastens the placement head 4 by tightening the nut through the through hole 6 with a fastening screw.
[0015] As a preferred embodiment of the present invention, Figure 1 As shown, the side surfaces of the first vertical plate 4-1, the second vertical plate 4-2, the third vertical plate 4-3 and the fourth vertical plate 4-4 are respectively provided with a first fixing hole 7, a second fixing hole 8, a third fixing hole 9 and a fourth fixing hole 10 with threads.
[0016] As a preferred embodiment of the present invention, Figure 1 As shown, the fastening block 3 and the placement head 4 are an integral piece formed in one piece.
[0017] When processing the cutter head of a discarded drill bit, the utility model places the cutter head into the placement groove 4-5, passes the fastening screw through the through hole 6 of the fastening block 3 and tightens the nut to tighten the placement head 4 so that the cutter head is firmly clamped, and four more screws are respectively screwed into the first fixing hole 7, the second fixing hole 8, the third fixing hole 9 and the fourth fixing hole 10 to support the cutter head, further fixing the cutter head so that it is not easy to be positionally shifted even when subjected to force, and then the fixing rod 2 is installed on the processing machine to process the cutter head.
[0018] After trial use, the utility model has been found to have a simple structure, can ensure the machining quality of the cutter head of the discarded drill bit, further ensures the quality of the discarded drill bit for CNC deep hole machining, and has achieved good practical effects.
Claims
1. A tool head processing device for a discarded drill bit for CNC deep hole processing, comprising a placement body (1) and a fixing rod (2), wherein the placement body (1) and the fixing rod (2) are integrally formed, and characterized in that: The placement body (1) comprises a fastening block (3) and a placement head (4); the fastening block (3) is in the shape of a vertical rectangular parallelepiped, and the two sides of the fastening block (3) contain the shortest sides of the rectangular parallelepiped; the placement head (4) is arranged above the fastening block (3); the placement head (4) comprises a first vertical plate (4-1), a second vertical plate (4-2), a third vertical plate (4-3), a fourth vertical plate (4-4) and a placement groove (4-5); the first vertical plate (4-1) and the second vertical plate (4-2) are respectively arranged vertically at two outer edges of one side of the upper end surface of the fastening block (3) and are arranged in an L shape; the third vertical plate (4-3) and the fourth vertical plate (4-4) are respectively arranged vertically at two outer edges of the other side of the upper end surface of the fastening block (3) and are arranged in an L shape; the first vertical plate (4-1), the second vertical plate (4-2) and the placement groove (4-5) are respectively arranged vertically at two outer edges of the other side of the upper end surface of the fastening block (3) and are arranged in an L shape; The third vertical plate (4-3) and the fourth vertical plate (4-4) are rotationally symmetrically arranged with respect to the vertical center of the fastening block (3); the inner side surfaces of the first vertical plate (4-1) and the second vertical plate (4-2) and the inner side surfaces of the third vertical plate (4-3) and the fourth vertical plate (4-4) and the upper end surface of the fastening block (3) form the placement groove (4-5); a groove (5) is provided at the center of the upper end surface of the fastening block (3) and perpendicular to the long side of the upper end surface of the fastening block (3); the groove (5) extends downward from the upper end surface of the fastening block (3) to the lower part of the fastening block (3); a through hole (6) is provided in the middle of the side surface of the fastening block (3); the through hole (6) penetrates the fastening block (3); the placement body (1) is fastened to the placement head (4) by tightening a nut by passing a fastening screw through the through hole (6).
2. The tool head processing device for a discardable drill bit for CNC deep hole processing according to claim 1, characterized in that: A first fixing hole (7), a second fixing hole (8), a third fixing hole (9) and a fourth fixing hole (10) with threads are respectively formed on the side surface of the first vertical plate (4-1), the side surface of the second vertical plate (4-2), the side surface of the third vertical plate (4-3) and the side surface of the fourth vertical plate (4-4).
3. The tool head processing device for a discard drill bit for CNC deep hole processing according to claim 1, characterized in that: The fastening block (3) and the placement head (4) are an integral piece formed in one piece.