CN113146357B - Hob cutter capable of eliminating cutter abrasion machining precision by adjusting cutter head - Google Patents
Hob cutter capable of eliminating cutter abrasion machining precision by adjusting cutter head Download PDFInfo
- Publication number
- CN113146357B CN113146357B CN202110536927.7A CN202110536927A CN113146357B CN 113146357 B CN113146357 B CN 113146357B CN 202110536927 A CN202110536927 A CN 202110536927A CN 113146357 B CN113146357 B CN 113146357B
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- Prior art keywords
- adjusting
- cutter
- tool
- shaft
- tool rest
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/007—Automatic control or regulation of feed movement, cutting velocity or position of tool or work while the tool acts upon the workpiece
- B23Q15/16—Compensation for wear of the tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P9/00—Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings; Features of such surfaces not otherwise provided for, their treatment being unspecified
- B23P9/02—Treating or finishing by applying pressure, e.g. knurling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention relates to the technical field of mechanical equipment, in particular to a hob for eliminating the abrasion machining precision of a cutter by adjusting a cutter head, which comprises a plurality of cutter heads, a cutter rest and an adjusting device; one end of the cutter head is movably connected to the inner side of the cutter rest through a fixed shaft, and the other end with the cutting edge protrudes out of the circumferential surface of the cutter rest; the adjusting device is positioned on the inner side of the tool rest and positioned at the end part of the tool rest; the adjusting device comprises two large fluted discs, a plurality of adjusting camshafts and an adjusting nut; the two end parts of each adjusting cam shaft are respectively provided with a toothed shaft with the same axle center; the tooth-shaped shaft is relatively adjusted to eccentric of the cam shaft; the internal teeth of the big fluted disc are respectively meshed with the tooth-shaped shaft and the tooth-shaped end of the adjusting nut; the circumference outer side of each adjusting cam shaft is contacted with the end part of each tool bit positioned on the inner side of the tool rest. The problem that the processing precision is affected due to the fact that the distance between the surface of the cutter and the surface of the workpiece is increased after the hob is used for many times is effectively solved.
Description
Technical Field
The invention relates to the technical field of mechanical equipment, in particular to a hob for eliminating cutter abrasion machining precision by adjusting a cutter head.
Background
In the existing equipment for processing by using the hob, after the hob is used for a plurality of times, the surface of the hob is worn, and when the hob is positioned at a fixed position and cannot be adjusted, the distance between the surface of the hob and a workpiece is increased, so that the processing precision of the workpiece cannot be ensured.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to solve the problem of machining precision caused by the increase of the distance between the surface of a hob and a workpiece after the hob is used for a plurality of times in the prior art, and provides the hob for eliminating the cutter abrasion machining precision by adjusting a cutter head.
2. Technical proposal
In order to solve the problems, the invention adopts the following technical scheme.
A hob for eliminating the abrasion machining precision of a cutter by adjusting a cutter head comprises a plurality of cutter heads, a cutter rest and an adjusting device;
one end of the cutter head is movably connected to the inner side of the cutter rest through a fixed shaft, and the other end with the cutting edge protrudes out of the circumferential surface of the cutter rest;
the adjusting device is positioned on the inner side of the tool rest and positioned at the end part of the tool rest;
the adjusting device comprises two large fluted discs, a plurality of adjusting camshafts and an adjusting nut;
the two end parts of each adjusting cam shaft are respectively provided with a toothed shaft with the same axle center; the tooth-shaped shaft is relatively adjusted to eccentric of the cam shaft;
the internal teeth of the big fluted disc are respectively meshed with the tooth-shaped shaft and the tooth-shaped end of the adjusting nut;
the circumference outer side of each adjusting cam shaft is contacted with the end part of each tool bit positioned on the inner side of the tool rest.
Preferably, the circumferential surface of the tool rest is provided with accommodating cavities, the number of which is matched with that of the tool bits;
the end surfaces of the two ends are respectively provided with a plurality of U-shaped grooves, through holes and fluted disc cavities which penetrate through.
Preferably, the lower end of the cutter head and the adjusting cam shaft are both positioned in the accommodating cavity;
the adjusting cam shaft is positioned at the lower part of the cutter head and is tangent with the lower end of the cutter head;
tooth-shaped shafts at two ends of the adjusting cam shaft respectively penetrate through the through holes and are positioned in the fluted disc cavity.
Preferably, the fixed shaft is fixedly connected with the cutter head, and two ends of the fixed shaft respectively penetrate through U-shaped grooves at two ends of the cutter rest;
the two ends are locked by nuts.
Preferably, the two large fluted discs are respectively positioned in fluted disc cavities at two ends of the tool rest;
the fluted disc cavity is provided with a sealable end cover.
Preferably, the adjusting nut is positioned at one end of the tool rest;
one end of the adjusting nut is provided with a tooth shape matched with the big fluted disc, and the other end is provided with an inner hexagon shape.
Preferably, the end of the adjustment nut with the socket shape is located outside the end cap.
3. Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
1. the hob capable of eliminating the abrasion machining precision of the cutter through adjusting the cutter head is provided with an adjusting device capable of adjusting the distance between the cutter heads at the inner sides of the two ends of the cutter frame, and an adjusting nut in the adjusting device drives a large fluted disc to rotate so as to drive an eccentric adjusting cam shaft to rotate, so that the cutter head is ejected out for fine adjustment, and the problem that the machining precision is affected due to the fact that the distance between the surface of the cutter and the surface of a workpiece is increased after the hob is used for multiple times is effectively solved.
2. The hob with the cutter head capable of eliminating cutter abrasion machining precision through adjusting the cutter head is connected through a fixed shaft, the cutter head is relatively fixed with the fixed shaft, the cutter head can move up and down along with the fixed shaft, two ends of the fixed shaft respectively penetrate through the U-shaped groove and are locked through nuts, the cutter head can be fixed on a cutter rest, and the cutter head can be adjusted after the nuts are unscrewed.
3. The hob eliminates the abrasion machining precision of the cutter by adjusting the cutter head, drives the big fluted disc to rotate by rotating the adjusting nut, and drives each adjusting cam shaft to rotate under the rotation of the big fluted disc, so that the cutter head is synchronously adjusted, and the adjusting distance is the same.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the structure of the adjusting device of the present invention;
fig. 3 is a schematic structural view of the tool holder of the present invention.
In the figure, 1, a cutter head;
2. a tool holder; 21. the device comprises a containing cavity, a U-shaped groove, a through hole, a fluted disc cavity, a fluted disc end cover and an end cover, wherein the containing cavity, the U-shaped groove, the through hole, the fluted disc cavity and the end cover are arranged in the U-shaped groove;
3. an adjusting device; 31. the large fluted disc, 32, the adjusting cam shaft, 321, the tooth-shaped shaft, 33 and the adjusting nut.
Detailed Description
The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only a few embodiments of the present invention; but not all embodiments, are based on embodiments in the present invention; all other embodiments obtained by those skilled in the art without undue burden; all falling within the scope of the present invention.
Example 1:
as shown in fig. 1 to 3, a hob for eliminating the tool wear machining precision by adjusting the tool bits includes a plurality of tool bits 1, a tool post 2 and an adjusting device 3. One end of the tool bit 1 is connected to the inner side of the tool rest 2 through a fixed shaft, and the tool bit 1 can be driven to move up and down together by moving in the U-shaped groove 22 through the fixed shaft, and the other end of the tool bit 1 with a cutting edge protrudes out of the circumferential surface of the tool rest 2. The two ends of the fixed shaft respectively pass through the U-shaped grooves 22 and are positioned at the two ends of the tool rest 2, the fixed shaft is locked by the nuts, and the nuts are loosened in the adjusting state. The adjusting devices 3 are located inside the tool holder 2 and at the ends of the tool holder 2, respectively. The tool bit 1 can be driven to move by the adjusting device 3.
Specifically, a plurality of accommodating cavities 21 capable of accommodating the tool bit 1 are arranged in the tool rest 2, a through U-shaped groove 22 and a through hole 23 are respectively arranged at two ends of the tool rest 2, and the U-shaped groove 22 is located in the range of the accommodating cavities 21. The outer end surfaces of the two ends of the tool rest 2 are also provided with a fluted disc cavity 24, the through hole 23 is positioned in the fluted disc cavity 24 and communicated with the fluted disc cavity 24, and the fluted disc cavity 24 is annular and concentric with the tool. The adjusting device 3 comprises two large toothed discs 31 and a plurality of adjusting camshafts 32. A concentric toothed shaft 321 is provided at each end of each adjustment cam shaft 32, and the toothed shaft 321 is eccentric with respect to the adjustment cam shaft 32. The quantity of the adjusting cam shafts 32, the tool heads 1 and the accommodating cavities 21 are consistent, ten groups are arranged in the scheme, one tool head 1 is arranged in each accommodating cavity 21, one adjusting cam shaft 32 box is arranged in each accommodating cavity, the tool head 1 is arranged on the upper portion of each adjusting cam shaft 32, and the shaft surface of each adjusting cam shaft 32 is tangent to the lower end of each tool head 1. The two ends of the adjusting cam shaft 32 are respectively provided with a tooth-shaped shaft 321, and the tooth-shaped shafts 321 at the two ends of the adjusting cam shaft 32 respectively penetrate through the through holes 23 at the two ends of the tool rest 2, so that the tooth-shaped shafts 321 are positioned in the fluted disc cavity 24. The large tooth disc 31 is located in the tooth disc cavity 24, and the large tooth disc 31 is meshed with each tooth-shaped shaft 321, so that the tooth-shaped shafts 321 are driven to synchronously rotate under the rotation of the large tooth disc 31.
Specifically, an end cap 25 is mounted on the fluted disc cavity 24, and the fluted disc cavity 24 is sealed by the end cap 25. An adjusting nut 33 is arranged in the adjusting device 3 at one end of the tool rest 2, one end of the adjusting nut 33 is provided with a tooth shape matched with the big fluted disc 31, the other end of the adjusting nut 33 is provided with an inner hexagonal, one end with the tooth shape is positioned in the fluted disc cavity 24 and meshed with the big fluted disc 31, and the other end with the inner hexagonal is positioned at the outer side of the end cover 25, and the adjusting device 3 can be driven to rotate by rotating the adjusting nut 33, so that a plurality of tool bits 1 can be synchronously adjusted.
Example 2:
on the basis of embodiment 1, graduations are provided at the position of the adjusting nut 33, one graduation being rotated each time, so that the height of the cutter head can be adjusted by a certain distance.
The foregoing is only illustrative of the preferred embodiments of the present invention; the scope of the invention is not limited in this respect; any person skilled in the art is within the technical scope of the present disclosure; equivalent substitutions or changes are made according to the technical proposal of the invention and the improved conception thereof; are intended to be encompassed within the scope of the present invention.
Claims (2)
1. The hob for eliminating the tool wear machining precision by adjusting the tool bit is characterized by comprising a plurality of tool bits (1), a tool rest (2) and an adjusting device (3);
one end of the tool bit (1) is movably connected with the inner side of the tool rest (2) through a fixed shaft, and the other end with the cutting edge protrudes out of the circumferential surface of the tool rest (2);
the adjusting device (3) is positioned at the inner side of the tool rest (2) and at the end part of the tool rest (2);
the adjusting device (3) comprises two large fluted discs (31), a plurality of adjusting camshafts (32) and an adjusting nut (33);
the two end parts of each adjusting cam shaft (32) are respectively provided with a concentric tooth-shaped shaft (321); the toothed shaft (321) is eccentric relative to the adjusting cam shaft (32);
the internal teeth of the big fluted disc (31) are respectively meshed with the tooth-shaped shaft (321) and the tooth-shaped end of the adjusting nut (33);
the circumference outer side of each adjusting cam shaft (32) is contacted with the end part of each tool bit (1) positioned at the inner side of the tool rest (2);
two large fluted discs (31) are respectively positioned in fluted disc cavities (24) at two ends of the tool rest (2);
the fluted disc cavity (24) is provided with a sealable end cover (25);
the adjusting nut (33) is positioned at one end of the tool rest (2);
one end of the adjusting nut (33) is provided with a tooth shape matched with the big fluted disc (31), and the other end is provided with an inner hexagon shape;
the circumferential surface of the tool rest (2) is provided with accommodating cavities (21) the number of which is matched with that of the tool bits (1);
the end surfaces of the two ends of the tool rest (2) are respectively provided with a plurality of U-shaped grooves (22), through holes (23) and fluted disc cavities (24) which penetrate through;
the lower end of the cutter head (1) and the adjusting cam shaft (32) are both positioned in the accommodating cavity (21);
the adjusting cam shaft (32) is positioned at the inner side of the cutter head (1), and the adjusting cam shaft (32) is tangent with the inner side of the cutter head (1);
tooth-shaped shafts (321) at two ends of the adjusting cam shaft (32) respectively penetrate through the through holes (23) and are positioned in the fluted disc cavity (24);
the fixed shaft is fixedly connected with the tool bit (1), and two ends of the fixed shaft respectively penetrate through U-shaped grooves (22) at two ends of the tool rest (2); the two ends of the fixed shaft are locked by nuts.
2. Hob according to claim 1, wherein the end of the adjusting nut (33) with the inner hexagonal shape is located outside the end cap (25) for eliminating the tool wear machining precision by adjusting the cutting head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110536927.7A CN113146357B (en) | 2021-05-17 | 2021-05-17 | Hob cutter capable of eliminating cutter abrasion machining precision by adjusting cutter head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110536927.7A CN113146357B (en) | 2021-05-17 | 2021-05-17 | Hob cutter capable of eliminating cutter abrasion machining precision by adjusting cutter head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113146357A CN113146357A (en) | 2021-07-23 |
| CN113146357B true CN113146357B (en) | 2023-07-14 |
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ID=76876127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110536927.7A Active CN113146357B (en) | 2021-05-17 | 2021-05-17 | Hob cutter capable of eliminating cutter abrasion machining precision by adjusting cutter head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113146357B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101364699B1 (en) * | 2011-10-20 | 2014-02-20 | 윤성덕 | Assembly type hob for cutting gear |
| CN208811174U (en) * | 2018-08-08 | 2019-05-03 | 中硬金属切削(大连)有限公司 | A kind of adjustment precision type milling cutter tip |
| CN209206564U (en) * | 2018-10-17 | 2019-08-06 | 宁波市镇海杰菲特电器厂(普通合伙) | A kind of multifunctional stereo cutterhead |
| CN109139029A (en) * | 2018-11-12 | 2019-01-04 | 德阳宏源机电工程有限责任公司 | Telescopic cutter head of shield machine |
| CN210412739U (en) * | 2019-06-20 | 2020-04-28 | 李佳桐 | Adjustable disc milling cutter |
| CN211162112U (en) * | 2019-11-19 | 2020-08-04 | 常州钧焯工具有限公司 | Adjustable disc surface milling cutter |
| CN111203597B (en) * | 2020-01-15 | 2021-03-26 | 南昌嘉研机械技术有限公司 | Hobbing cutter with adjustable tooth pitch for gear machining |
| CN112296184A (en) * | 2020-10-28 | 2021-02-02 | 思维精密工具（天津）有限公司 | Adjustable hobbing cutter is used in processing of vehicle air conditioner radiating fin |
-
2021
- 2021-05-17 CN CN202110536927.7A patent/CN113146357B/en active Active
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| Publication number | Publication date |
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| CN113146357A (en) | 2021-07-23 |
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