CN113146357A - Hobbing cutter capable of eliminating cutter abrasion machining precision by adjusting cutter head - Google Patents
Hobbing cutter capable of eliminating cutter abrasion machining precision by adjusting cutter head Download PDFInfo
- Publication number
- CN113146357A CN113146357A CN202110536927.7A CN202110536927A CN113146357A CN 113146357 A CN113146357 A CN 113146357A CN 202110536927 A CN202110536927 A CN 202110536927A CN 113146357 A CN113146357 A CN 113146357A
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- CN
- China
- Prior art keywords
- adjusting
- cutter
- hob
- tool
- eliminating
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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 capable of eliminating the abrasion machining precision of a cutter by adjusting cutter heads, which comprises a plurality of cutter heads, a cutter frame and an adjusting device, wherein the cutter head is arranged on the cutter frame; one end of the cutter head is movably connected to the inner side of the cutter frame through a fixed shaft, and the other end with the cutting edge protrudes out of the circumferential surface of the cutter frame; the adjusting device is positioned on the inner side of the tool rest and is positioned at the end part of the tool rest; the adjusting device comprises two big fluted discs, a plurality of adjusting cam shafts and an adjusting nut; the end parts of the two ends of each adjusting camshaft are respectively provided with a gear-shaped shaft with the same axle center; the gear shaft relatively adjusts the eccentricity of the camshaft; the internal teeth of the large fluted disc are respectively meshed with the external parts of the toothed shaft and the toothed end of the adjusting nut; the outer circumference of each adjusting camshaft is in contact with the end of each cutter head located on the inner side of the cutter frame. The problem that after the hob is used for multiple times, the distance between the surface of the hob and the surface of a workpiece is increased, and machining precision is affected is effectively solved.
Description
Technical Field
The invention relates to the technical field of mechanical equipment, in particular to a hob capable of eliminating machining precision of tool abrasion by adjusting a tool bit.
Background
In the existing equipment using the hob for processing, after the hob is used for many times, the surface of the hob is abraded, and when the hob is in a fixed position and cannot be adjusted, the distance between the surface of the hob and a processed part is increased, so that the processing precision of the workpiece cannot be guaranteed.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to solve the problem that the distance between the surface of a hob and a workpiece is increased after the hob is used for multiple times in the prior art, so that the machining precision is caused, and provides the hob with the machining precision eliminated by adjusting a tool bit.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A hob for eliminating the abrasion machining precision of a cutter by adjusting cutter heads comprises a plurality of cutter heads, a cutter frame and an adjusting device;
one end of the cutter head is movably connected to the inner side of the cutter frame through a fixed shaft, and the other end with the cutting edge protrudes out of the circumferential surface of the cutter frame;
the adjusting device is positioned on the inner side of the tool rest and is positioned at the end part of the tool rest;
the adjusting device comprises two big fluted discs, a plurality of adjusting cam shafts and an adjusting nut;
the end parts of the two ends of each adjusting camshaft are respectively provided with a gear-shaped shaft with the same axle center; the gear shaft relatively adjusts the eccentricity of the camshaft;
the internal teeth of the large fluted disc are respectively meshed with the external parts of the toothed shaft and the toothed end of the adjusting nut;
the outer circumference of each adjusting camshaft is in contact with the end of each cutter head located on the inner side of the cutter frame.
Preferably, the circumferential surface of the tool rest is provided with accommodating cavities matched with the tool bits in number;
a plurality of through U-shaped grooves, through holes and fluted disc cavities are respectively arranged on the end faces of the two ends.
Preferably, the lower end of the cutter head and the adjusting cam shaft are both positioned in the accommodating cavity;
the adjusting camshaft is positioned at the lower part of the cutter head and is tangent to the lower end of the cutter head;
the tooth-shaped shafts at the two ends of the adjusting cam shaft respectively penetrate through the through holes to be 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 the U-shaped grooves at two ends of the cutter rest;
both ends are locked by nuts.
Preferably, the two big fluted discs are respectively positioned in the fluted disc cavities at the two ends of the tool rest;
the fluted disc cavity is provided with an end cover which can be sealed.
Preferably, the adjusting nut is positioned at one end of the tool holder;
one end of the adjusting nut is provided with a tooth form matched with the large fluted disc, and the other end of the adjusting nut is provided with a hexagon socket.
Preferably, the end of the adjusting nut with the hexagon socket shape is located outside the end cap.
3. Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
a hobbing cutter capable of eliminating cutter abrasion machining precision by adjusting a cutter head is characterized in that adjusting devices capable of adjusting the distance of the cutter head are arranged on the inner sides of two ends of a cutter frame, a large gear disc is driven to rotate through adjusting nuts in the adjusting devices, an eccentric adjusting cam shaft is driven to rotate, the cutter head is ejected out to be subjected to fine adjustment, and the problem that machining precision is influenced due to the fact that the distance between the cutter surface and the workpiece surface of the hobbing cutter is increased after the hobbing cutter is used for multiple times is effectively solved.
The hob head is connected through the fixed shaft, the hob head and the fixed shaft are relatively fixed, the hob head can move up and down along with the fixed shaft, two ends of the fixed shaft penetrate through the U-shaped grooves respectively and are locked through the nuts, the hob head can be fixed on the hob rest, and the hob head can be adjusted after the nuts are unscrewed.
And thirdly, the hob for eliminating the abrasion machining precision of the cutter by adjusting the cutter head drives the large gear disc to rotate by rotating the adjusting nut, and drives each adjusting camshaft to rotate under the rotation of the large gear disc, so that the cutter heads are synchronously adjusted, and the adjusting distances are the same.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the adjusting device of the present invention;
fig. 3 is a schematic view of the construction of the tool holder of the present invention.
In the figure, 1, a tool bit;
2. a tool holder; 21. the device comprises an accommodating cavity, 22, U-shaped grooves, 23, through holes, 24, a fluted disc cavity, 25 and an end cover;
3. an adjustment device; 31. a big fluted disc, 32, an adjusting cam shaft, 321, a tooth-shaped shaft, 33 and an adjusting nut.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
Example 1:
as shown in fig. 1-3, a hob for eliminating the machining precision of tool wear by adjusting the tool bits comprises a plurality of tool bits 1, a tool holder 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, the tool bit 1 can be driven to move up and down together through the movement of the fixed shaft in the U-shaped groove 22, and the other end of the tool bit 1 with the cutting edge protrudes out of the circumferential surface of the tool rest 2. The two ends of the fixed shaft respectively penetrate through the U-shaped grooves 22 and are positioned at the two ends of the tool rest 2, the fixed shaft is locked through nuts, and the nuts are loosened in the adjusting state. The adjusting devices 3 are positioned inside the tool holder 2 and are respectively positioned at the end parts of the tool holder 2. The adjusting device 3 can drive the cutter head 1 to move.
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 faces of 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 is communicated with the fluted disc cavity 24, and the fluted disc cavity 24 is annular and coaxial with a tool. The adjusting device 3 comprises two crankset 31 and a plurality of adjusting camshafts 32. A coaxial toothed shaft 321 is provided at each end of the adjusting camshaft 32, and the toothed shaft 321 is eccentric with respect to the adjusting camshaft 32. Adjusting camshaft 32, tool bit 1 and the quantity that holds chamber 21 unanimous, there are ten groups in this scheme, and every holds chamber 21 in has tool bit 1 of an adjusting camshaft 32 box, and tool bit 1 is located adjusting camshaft 32's upper portion, and adjusting camshaft 32's the axial surface tangent with tool bit 1 lower extreme. The two ends of the adjusting cam shaft 32 are respectively provided with a toothed shaft 321, and the toothed 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 holder 2, so that the toothed shafts 321 are positioned in the gear disc cavity 24. The large toothed disc 31 is located in the toothed disc cavity 24, and the large toothed disc 31 is meshed with each toothed shaft 321, so that the large toothed disc 31 rotates to drive the toothed shafts 321 to synchronously rotate.
Specifically, an end cover 25 is mounted on the fluted disc cavity 24, and the fluted disc cavity 24 is sealed by the end cover 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 form matched with the large fluted disc 31, the other end of the adjusting nut 33 is provided with a hexagon socket, one end with the tooth form is positioned in the fluted disc cavity 24 and meshed with the large fluted disc 31, and the other end with the hexagon socket is positioned outside the end cover 25, so that the adjusting device 3 can be driven to rotate through the rotation of the adjusting nut 33, and the plurality of tool bits 1 can be synchronously adjusted.
Example 2:
on the basis of embodiment 1, the position of the adjusting nut 33 is provided with a scale, and the height of the tool bit can be adjusted by a certain distance by rotating one scale.
The foregoing is only a preferred embodiment of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (7)
1. A hob for eliminating the abrasion machining precision of a cutter by adjusting cutter heads is characterized by comprising a plurality of cutter heads (1), a cutter frame (2) and an adjusting device (3);
one end of the cutter head (1) is movably connected to the inner side of the cutter frame (2) through a fixed shaft, and the other end with a cutting edge protrudes out of the circumferential surface of the cutter frame (2);
the adjusting device (3) is positioned on the inner side of the tool rest (2) and is positioned at the end part of the tool rest (2);
the adjusting device (3) comprises two big fluted discs (31), a plurality of adjusting cam shafts (32) and an adjusting nut (33);
two end parts of each adjusting camshaft (32) are respectively provided with a gear shaft (321) with the same axle center; the gear shaft (321) is eccentric relative to the adjusting camshaft (32);
the inner teeth of the big fluted disc (31) are respectively meshed with the outer parts of the tooth-shaped ends of the tooth-shaped shaft (321) and the adjusting nut (33);
the outer side of the circumference of each adjusting camshaft (32) is contacted with the end part of each cutter head (1) which is positioned at the inner side of the cutter frame (2).
2. The hob for eliminating the tool wear machining precision by adjusting the tool bits according to claim 1, characterized in that the circumferential surface of the tool holder (2) is provided with a number of receiving cavities (21) matching the tool bits (1);
the end surfaces of the two ends are respectively provided with a plurality of through U-shaped grooves (22), through holes (23) and fluted disc cavities (24).
3. The hob for eliminating the machining precision of the tool wear by adjusting the tool bits according to claim 2, characterized in that the lower end of the tool bit (1) and the adjusting camshaft (32) are both located in the receiving cavity (21);
the adjusting camshaft (32) is positioned at the lower part of the tool bit (1), and the adjusting camshaft (32) is tangent to the lower end of the tool bit (1);
the toothed shafts (321) at the two ends of the adjusting camshaft (32) respectively pass through the through holes (23) and are positioned in the gear disc cavity (24).
4. The hob for eliminating the abrasion machining precision of the cutter by adjusting the cutter head according to the claim 2, characterized in that the fixed shaft is fixedly connected with the cutter head (1), and both ends of the fixed shaft respectively pass through the U-shaped grooves (22) at both ends of the cutter frame (2);
both ends are locked by nuts.
5. The hob for eliminating the tool wear machining precision through adjusting the tool bits according to claim 2, characterized in that two big toothed discs (31) are respectively located in the disc cavities (24) at both ends of the hob head (2);
the fluted disc cavity (24) is provided with an end cover (25) which can be sealed.
6. The hob for eliminating the machining accuracy of the tool wear by adjusting the cutting head according to claim 5, characterized in that the adjusting nut (33) is located at one end of the tool holder (2);
one end of the adjusting nut (33) is provided with a tooth shape matched with the large fluted disc (31), and the other end is provided with a hexagon socket shape.
7. The hob for eliminating the machining precision of the tool wear by means of the adjustment of the cutting head according to claim 6, characterized in that the end of the adjusting nut (33) with the hexagon socket is located outside the end cap (25).
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 true CN113146357A (en) | 2021-07-23 |
| CN113146357B CN113146357B (en) | 2023-07-14 |
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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) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130043511A (en) * | 2011-10-20 | 2013-04-30 | 윤성덕 | Assembly type hob for cutting gear |
| 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 |
| 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 |
| CN210412739U (en) * | 2019-06-20 | 2020-04-28 | 李佳桐 | Adjustable disc milling cutter |
| CN111203597A (en) * | 2020-01-15 | 2020-05-29 | 林丽洁 | Hobbing cutter with adjustable tooth pitch for gear machining |
| CN211162112U (en) * | 2019-11-19 | 2020-08-04 | 常州钧焯工具有限公司 | Adjustable disc surface milling cutter |
| 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
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130043511A (en) * | 2011-10-20 | 2013-04-30 | 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 |
| CN111203597A (en) * | 2020-01-15 | 2020-05-29 | 林丽洁 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113146357B (en) | 2023-07-14 |
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