CN112222503A - 180 two-way differential cutter head - Google Patents

180 two-way differential cutter head Download PDF

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Publication number
CN112222503A
CN112222503A CN202011144043.9A CN202011144043A CN112222503A CN 112222503 A CN112222503 A CN 112222503A CN 202011144043 A CN202011144043 A CN 202011144043A CN 112222503 A CN112222503 A CN 112222503A
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CN
China
Prior art keywords
bevel gear
shaft
axle
gear shaft
axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011144043.9A
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Chinese (zh)
Inventor
孟杰
郭思睿
何高法
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Chongqing University of Science and Technology
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Chongqing University of Science and Technology
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Publication date
Application filed by Chongqing University of Science and Technology filed Critical Chongqing University of Science and Technology
Priority to CN202011144043.9A priority Critical patent/CN112222503A/en
Publication of CN112222503A publication Critical patent/CN112222503A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C9/00Details or accessories so far as specially adapted to milling machines or cutter
    • B23C9/005Details or accessories so far as specially adapted to milling machines or cutter milling heads

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Harvester Elements (AREA)
  • Gear Transmission (AREA)

Abstract

The invention discloses a 180-degree bidirectional differential milling head, which improves the processing efficiency and can finish differential processing according to different processing requirements. Including milling cutter casing, shell body and locate the connection casing between milling cutter casing, the shell body, be equipped with C axle transmission main shaft in the milling cutter casing, the output of C axle transmission main shaft has A axle initiative bevel gear axle, B axle initiative bevel gear axle along the axial fixity, and the gear modulus of B axle initiative bevel gear axle is less than the gear modulus of A axle initiative bevel gear axle, respectively through bearing coaxial arrangement in the shell body A axle driven bevel gear axle, B axle driven bevel gear axle, the tooth portion meshing of A axle driven bevel gear axle and the tooth portion of A axle initiative bevel gear axle, the tooth portion meshing of B axle driven bevel gear axle and the tooth portion of B axle initiative bevel gear axle, the axial part of A axle driven bevel gear axle, B axle driven bevel gear axle sets up mutually, and is equipped with milling cutter mounting structure respectively.

Description

180 two-way differential cutter head
Technical Field
The invention relates to the technical field of milling, in particular to a 180-degree bidirectional differential milling head.
Background
Aiming at the requirements of high speed and high precision in the machining process, a plurality of milling heads with different structures appear, so that the machining range of a machine tool can be expanded, and the machining quality can be ensured. The milling head with bidirectional output can finish the simultaneous processing of two planes with higher requirements on coaxiality or parallelism, but the two-way output rotating speed of the existing milling head is the same, and the efficient processing can not be realized when workpieces with inconsistent requirements on the processing surface are processed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a 180-degree bidirectional differential milling head.
The purpose of the invention is realized as follows:
a 180-degree bidirectional differential milling head,
the milling cutter comprises a milling cutter shell, an outer shell and a connecting shell arranged between the milling cutter shell and the outer shell, wherein the milling cutter shell is in a straight cylinder shape, a C-axis transmission main shaft is arranged in the milling cutter shell along the axial direction, the input end of the C-axis transmission main shaft extends out of the milling cutter shell and is connected with a cutter handle, the output end of the C-axis transmission main shaft is supported on the connecting shell through a bearing,
an A-axis driving bevel gear shaft and a B-axis driving bevel gear shaft are axially fixed at the output end of the C-axis transmission main shaft, the A-axis driving bevel gear shaft and the B-axis driving bevel gear shaft both extend into the outer shell, the A-axis driving bevel gear shaft is of a hollow shaft structure, the B-axis driving bevel gear shaft is positioned in a shaft hole of the A-axis driving bevel gear shaft, a tooth part of the B-axis driving bevel gear shaft protrudes out of a tooth part of the A-axis driving bevel gear shaft, and the gear modulus of the B-axis driving bevel gear shaft is smaller than that of the A-axis driving bevel gear,
the outer shell is internally and coaxially provided with an A-axis driven bevel gear shaft and a B-axis driven bevel gear shaft through bearings respectively, the tooth part of the A-axis driven bevel gear shaft is meshed with the tooth part of the A-axis driving bevel gear shaft, the tooth part of the B-axis driven bevel gear shaft is meshed with the tooth part of the B-axis driving bevel gear shaft, and the shaft parts of the A-axis driven bevel gear shaft and the B-axis driven bevel gear shaft are arranged in a back-to-back mode and are respectively provided with a milling cutter mounting structure.
Preferably, a positioning pin shell is fixed on one side of the milling cutter shell, a positioning pin is axially and slidably matched in the positioning pin shell, a screw is matched on the positioning pin shell along a radial thread and used for locking the axial position of the positioning pin, at least one end of the positioning pin extends out of the positioning pin shell, and an extending end of the positioning pin is provided with an adjusting sleeve.
Preferably, the milling cutter housing is bolted to the connecting housing and the outer housing through housing end caps.
Preferably, the tool shank is a 2BT40 tool shank.
Preferably, the notch cuttype is personally submitted in the periphery of C axle transmission main shaft, the trailing end connection of A axle initiative bevel gear axle has an installation section of thick bamboo, the installation section of thick bamboo cover is on the path section of C axle transmission main shaft, and with the path section bolt fastening of C axle transmission main shaft.
Preferably, the milling cutter mounting structure includes the axial hole that is equipped with on the driven bevel gear axle of A axle driven bevel gear axle B axle, be equipped with the milling cutter chuck in the axial hole, the drill way in axial hole is equipped with the fastening end cover, and the A axle head/B axle head of shell body is equipped with A axle end cover/B axle end cover, the fastening end cover is fixed on the axial part of the driven bevel gear axle of A axle driven bevel gear axle B axle, and with A axle end cover/B axle end cover cooperation, is provided with fastening nut on the fastening end cover, and fastening nut is used for fixed milling cutter chuck.
Preferably, the a-axis driven bevel gear shaft and the B-axis driven bevel gear shaft respectively have a hollow bevel gear part and a shaft part, the hollow bevel gear part and the shaft part of the a-axis driven bevel gear shaft/the B-axis driven bevel gear shaft are fixedly connected through bolts, and the B-axis driving bevel gear shaft is of a hollow shaft structure.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the invention is connected with a machine tool main shaft through a 2BT40 cutter handle and a C shaft, two bevel gears are arranged on the C shaft, the two bevel gears are respectively meshed with bevel gears of an A shaft B shaft to transmit power, the two groups of bevel gears adopt different moduli, each group of meshed bevel gears respectively adopt the design of the same modulus and different tooth numbers, different groups of bevel gears can output different rotating speeds when the main shaft outputs one rotating speed, and simultaneously the A/B shafts are ensured to be on the same horizontal line, and finally the processing requirement of 180-degree bidirectional differential processing is met. Has the following characteristics:
1) the bidirectional processing of 180 degrees can be realized;
2) the rotation speeds of the two-way output are different;
3) the processing efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic top view of fig. 1.
Reference numerals
In the attached drawing, 1 part of latin, 2.2BT40 tool holder, 3 parts of locating pin, 4 parts of adjusting sleeve, 5 parts of locating pin shell, 6 parts of screw, 7 parts of outer shell, 8 parts of B shaft end cover, 9 parts of fastening nut B, 10 parts of B shaft fastening end cover, 11 parts of milling cutter chuck B, 12 parts of B shaft, 13 parts of sleeve 1, 14 parts of A shaft driving bevel gear shaft, 15 parts of B shaft driving bevel gear shaft, 16 parts of B shaft driven bevel gear shaft, 17 parts of A shaft driven bevel gear shaft, 18 parts of sleeve 2, 19 parts of A shaft end cover, 20 parts of A shaft, 21 parts of A shaft fastening end cover, 22 parts of milling cutter chuck A, 23 parts of fastening nut A, 24 parts of connecting shell, 25 parts of shell end cover, 26 parts of milling cutter shell, 27 parts of mounting barrel, 28 parts of C shaft transmission main shaft.
Detailed Description
Referring to fig. 1 and 2, the 180-degree bidirectional differential milling head comprises a milling cutter shell, an outer shell and a connecting shell arranged between the milling cutter shell and the outer shell, wherein the milling cutter shell is fixed with the connecting shell and the outer shell through bolts through shell end covers. The milling cutter comprises a milling cutter shell and is characterized in that the milling cutter shell is in a straight barrel shape, a C-axis transmission main shaft is axially arranged in the milling cutter shell, the input end of the C-axis transmission main shaft extends out of the milling cutter shell and is connected with a cutter handle, and the cutter handle is a 2BT40 cutter handle. The output end of the C-axis transmission main shaft is supported on the connecting shell through a bearing. The milling cutter is characterized in that a positioning pin shell is fixed on one side of the milling cutter shell, a positioning pin is arranged in the positioning pin shell in a sliding fit mode along the axial direction, a screw is arranged on the positioning pin shell in a threaded fit mode along the radial direction and used for locking the axial position of the positioning pin, at least one end of the positioning pin extends out of the positioning pin shell, and an adjusting sleeve is arranged at the extending end of the positioning pin.
An A-axis driving bevel gear shaft and a B-axis driving bevel gear shaft are axially fixed at the output end of the C-axis transmission main shaft, the A-axis driving bevel gear shaft and the B-axis driving bevel gear shaft both extend into the outer shell, the A-axis driving bevel gear shaft is of a hollow shaft structure, the B-axis driving bevel gear shaft is located in a shaft hole of the A-axis driving bevel gear shaft, a tooth part of the B-axis driving bevel gear shaft protrudes out of a tooth part of the A-axis driving bevel gear shaft, and the gear modulus of the B-axis driving bevel gear shaft is smaller than that of the A-axis driving bevel gear.
The notch cuttype is personally submitted to the periphery of C axle transmission main shaft, the trailing end connection of A axle initiative bevel gear axle has an installation section of thick bamboo, the installation section of thick bamboo cover is on the path section of C axle transmission main shaft, and with the path section bolt fastening of C axle transmission main shaft.
An A-axis driven bevel gear shaft and a B-axis driven bevel gear shaft are coaxially mounted in the outer shell through bearings respectively, a tooth portion of the A-axis driven bevel gear shaft is meshed with a tooth portion of the A-axis driving bevel gear shaft, a tooth portion of the B-axis driven bevel gear shaft is meshed with a tooth portion of the B-axis driving bevel gear shaft, the A-axis driven bevel gear shaft and the B-axis driven bevel gear shaft are provided with a hollow bevel gear portion and a shaft portion (A-axis/B-axis) respectively, the hollow bevel gear portion and the shaft portion (A-axis/B-axis) of the A-axis driven bevel gear shaft/B-axis driven bevel gear shaft are fixedly connected through bolts, and the B-. The shaft parts (A shaft/B shaft) of the A shaft driven bevel gear shaft/B shaft driven bevel gear shaft are arranged oppositely, and are respectively provided with a milling cutter mounting structure.
The milling cutter mounting structure comprises an axial hole formed in an A-shaft driven bevel gear shaft/B-shaft driven bevel gear shaft, a milling cutter chuck is arranged in the axial hole, an A-shaft fastening end cover/B-shaft fastening end cover is arranged at an orifice of the axial hole, an A-shaft end cover/B-shaft end cover is arranged at an A-shaft end of the outer shell, the fastening end cover is fixed on a shaft portion of the A-shaft driven bevel gear shaft/B-shaft driven bevel gear shaft and matched with the A-shaft end cover/B-shaft end cover, a fastening nut A/fastening nut B is arranged on the A-shaft fastening end cover/B-shaft fastening end cover, and the fastening nut A/fastening nut B is used for fixing the milling cutter chuck A/milling cutter.
The detailed transmission route is as follows:
rotation of an A shaft: the 2BT40 knife handle 2 is connected through the Latin 1, the 2BT40 knife handle is in threaded connection with the C-axis transmission main shaft 28, the C-axis transmission main shaft 28 is in transmission connection with the mounting cylinder 27 through screws, and the mounting cylinder 27 is in screw connection with the A-axis driving bevel gear shaft 14. The shaft driving bevel gear shaft 14 is meshed with the shaft A driven bevel gear shaft 17, the shaft A driven bevel gear shaft 17 is connected with the shaft A20 through screws, the shaft A20 is connected with the shaft A fastening end cover 21 through screws, and the shaft A fastening end cover 21 is connected with the fastening nut A23 through threads.
B, rotation of the shaft B: 2BT40 knife handle 2 is connected through Latin 1, 2BT40 knife handle is in threaded connection with a C-axis transmission main shaft 28, the C-axis transmission main shaft 28 is connected with a B-axis driven bevel gear shaft 16 through screws, the B-axis driven bevel gear shaft 16 is meshed with a B-axis driving bevel gear 15, the B-axis driving bevel gear 15 is connected with a B-axis 12 through screws, the B-axis 12 is connected with a B-axis fastening end cover 10 through screws, and the B-axis fastening end cover 10 is connected with a fastening nut B9 through threads.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims (7)

1. The utility model provides a two-way differential cutter head of 180 which characterized in that:
the milling cutter comprises a milling cutter shell, an outer shell and a connecting shell arranged between the milling cutter shell and the outer shell, wherein the milling cutter shell is in a straight cylinder shape, a C-axis transmission main shaft is arranged in the milling cutter shell along the axial direction, the input end of the C-axis transmission main shaft extends out of the milling cutter shell and is connected with a cutter handle, the output end of the C-axis transmission main shaft is supported on the connecting shell through a bearing,
an A-axis driving bevel gear shaft and a B-axis driving bevel gear shaft are axially fixed at the output end of the C-axis transmission main shaft, the A-axis driving bevel gear shaft and the B-axis driving bevel gear shaft both extend into the outer shell, the A-axis driving bevel gear shaft is of a hollow shaft structure, the B-axis driving bevel gear shaft is positioned in a shaft hole of the A-axis driving bevel gear shaft, a tooth part of the B-axis driving bevel gear shaft protrudes out of a tooth part of the A-axis driving bevel gear shaft, and the gear modulus of the B-axis driving bevel gear shaft is smaller than that of the A-axis driving bevel gear,
the outer shell is internally and coaxially provided with an A-axis driven bevel gear shaft and a B-axis driven bevel gear shaft through bearings respectively, the tooth part of the A-axis driven bevel gear shaft is meshed with the tooth part of the A-axis driving bevel gear shaft, the tooth part of the B-axis driven bevel gear shaft is meshed with the tooth part of the B-axis driving bevel gear shaft, and the shaft parts of the A-axis driven bevel gear shaft and the B-axis driven bevel gear shaft are arranged in a back-to-back mode and are respectively provided with a milling cutter mounting structure.
2. A 180 ° bi-directional differential milling head according to claim 1, wherein: the milling cutter is characterized in that a positioning pin shell is fixed on one side of the milling cutter shell, a positioning pin is arranged in the positioning pin shell in a sliding fit mode along the axial direction, a screw is arranged on the positioning pin shell in a threaded fit mode along the radial direction and used for locking the axial position of the positioning pin, at least one end of the positioning pin extends out of the positioning pin shell, and an adjusting sleeve is arranged at the extending end of the positioning pin.
3. A 180 ° bi-directional differential milling head according to claim 1, wherein: the milling cutter shell is fixed with the connecting shell and the outer shell through bolts through shell end covers.
4.A 180 ° bi-directional differential milling head according to claim 1, wherein: the knife handle is a 2BT40 knife handle.
5. A 180 ° bi-directional differential milling head according to claim 1, wherein: the notch cuttype is personally submitted to the periphery of C axle transmission main shaft, the trailing end connection of A axle initiative bevel gear axle has an installation section of thick bamboo, the installation section of thick bamboo cover is on the path section of C axle transmission main shaft, and with the path section bolt fastening of C axle transmission main shaft.
6. A 180 ° bi-directional differential milling head according to claim 1, wherein: the milling cutter mounting structure comprises an axial hole formed in an A-shaft driven bevel gear shaft/B-shaft driven bevel gear shaft, a milling cutter chuck is arranged in the axial hole, a fastening end cover is arranged at an orifice of the axial hole, an A-shaft end/B-shaft end cover is arranged at an A-shaft end/B-shaft end of the outer shell, the fastening end cover is fixed on a shaft portion of the A-shaft driven bevel gear shaft/B-shaft driven bevel gear shaft and matched with the A-shaft end cover/B-shaft end cover, and a fastening nut is arranged on the fastening end cover and used for fixing the milling cutter chuck.
7.A 180 ° bi-directional differential milling head according to claim 1, wherein: the A-axis driven bevel gear shaft and the B-axis driven bevel gear shaft are respectively provided with a hollow bevel gear part and a shaft part, the hollow bevel gear part and the shaft part of the A-axis driven bevel gear shaft/the B-axis driven bevel gear shaft are fixedly connected through bolts, and the B-axis driving bevel gear shaft is of a hollow shaft structure.
CN202011144043.9A 2020-10-23 2020-10-23 180 two-way differential cutter head Pending CN112222503A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011144043.9A CN112222503A (en) 2020-10-23 2020-10-23 180 two-way differential cutter head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011144043.9A CN112222503A (en) 2020-10-23 2020-10-23 180 two-way differential cutter head

Publications (1)

Publication Number Publication Date
CN112222503A true CN112222503A (en) 2021-01-15

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CN202011144043.9A Pending CN112222503A (en) 2020-10-23 2020-10-23 180 two-way differential cutter head

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112974946A (en) * 2021-03-23 2021-06-18 重庆科技学院 Horizontal bidirectional differential milling head capable of independently outputting
CN112974947A (en) * 2021-03-24 2021-06-18 重庆科技学院 Bidirectional milling head capable of independently outputting 90 degrees

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01136753U (en) * 1988-03-14 1989-09-19
KR20060126414A (en) * 2006-11-18 2006-12-07 이정옥 Universal anglehead
CN201866172U (en) * 2010-11-18 2011-06-15 扬州大学 Double-control two-way reducing gear
CN202910311U (en) * 2012-11-22 2013-05-01 威海华东数控股份有限公司 Double-conehead double-output right angle milling head
CN204295036U (en) * 2014-09-13 2015-04-29 山东普鲁特机床有限公司 A kind of right-angle type milling head used on Digit Control Machine Tool
CN105081436A (en) * 2015-08-20 2015-11-25 天津市华天世纪机械有限公司 Milling head box with single main shaft and double milling heads
CN107253042A (en) * 2017-06-16 2017-10-17 重庆都英科技有限公司 A kind of double fastener for bolt of differential
CN206860781U (en) * 2017-06-24 2018-01-09 于延军 Double speed change multi output transmission cases
CN108644343A (en) * 2018-06-19 2018-10-12 张金星 One kind dividing torsion differential mechanism
CN209036076U (en) * 2018-11-30 2019-06-28 无锡市来仕德机械有限公司 Can two-way clamping cutter reversed angle square milling head device
CN110030356A (en) * 2019-04-23 2019-07-19 合肥工业大学 A kind of third gear electric car automatic speed transmission based on bevel gear
CN211249266U (en) * 2019-08-07 2020-08-14 苏州安驭邦机械有限公司 Cutter head device for bidirectionally mounting cutter
CN111659937A (en) * 2020-06-22 2020-09-15 重庆科技学院 Numerical control offset universal milling head

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01136753U (en) * 1988-03-14 1989-09-19
KR20060126414A (en) * 2006-11-18 2006-12-07 이정옥 Universal anglehead
CN201866172U (en) * 2010-11-18 2011-06-15 扬州大学 Double-control two-way reducing gear
CN202910311U (en) * 2012-11-22 2013-05-01 威海华东数控股份有限公司 Double-conehead double-output right angle milling head
CN204295036U (en) * 2014-09-13 2015-04-29 山东普鲁特机床有限公司 A kind of right-angle type milling head used on Digit Control Machine Tool
CN105081436A (en) * 2015-08-20 2015-11-25 天津市华天世纪机械有限公司 Milling head box with single main shaft and double milling heads
CN107253042A (en) * 2017-06-16 2017-10-17 重庆都英科技有限公司 A kind of double fastener for bolt of differential
CN206860781U (en) * 2017-06-24 2018-01-09 于延军 Double speed change multi output transmission cases
CN108644343A (en) * 2018-06-19 2018-10-12 张金星 One kind dividing torsion differential mechanism
CN209036076U (en) * 2018-11-30 2019-06-28 无锡市来仕德机械有限公司 Can two-way clamping cutter reversed angle square milling head device
CN110030356A (en) * 2019-04-23 2019-07-19 合肥工业大学 A kind of third gear electric car automatic speed transmission based on bevel gear
CN211249266U (en) * 2019-08-07 2020-08-14 苏州安驭邦机械有限公司 Cutter head device for bidirectionally mounting cutter
CN111659937A (en) * 2020-06-22 2020-09-15 重庆科技学院 Numerical control offset universal milling head

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112974946A (en) * 2021-03-23 2021-06-18 重庆科技学院 Horizontal bidirectional differential milling head capable of independently outputting
CN112974947A (en) * 2021-03-24 2021-06-18 重庆科技学院 Bidirectional milling head capable of independently outputting 90 degrees

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Application publication date: 20210115