CN106736652B - Clamp for boring lug hole and turning clamp spring groove of end tooth flange yoke and machining process of clamp - Google Patents

Clamp for boring lug hole and turning clamp spring groove of end tooth flange yoke and machining process of clamp Download PDF

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Publication number
CN106736652B
CN106736652B CN201611242456.4A CN201611242456A CN106736652B CN 106736652 B CN106736652 B CN 106736652B CN 201611242456 A CN201611242456 A CN 201611242456A CN 106736652 B CN106736652 B CN 106736652B
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China
Prior art keywords
clamp
end tooth
tooth flange
positioning
boring
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CN201611242456.4A
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Chinese (zh)
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CN106736652A (en
Inventor
杨小凯
昝少锋
刘学仃
雷务然
顾鲜美
付浩锋
刘金檑
刘鹏雷
黄俊龙
李品
刘沛
张孟涛
赵贺
周建喜
马喜岭
陈云升
李磊
李庆玲
齐瑞晓
徐阳阳
郭丹丹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xuchang Yuandong Drive Shaft Co Ltd
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Xuchang Yuandong Drive Shaft Co Ltd
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Priority to CN201611242456.4A priority Critical patent/CN106736652B/en
Publication of CN106736652A publication Critical patent/CN106736652A/en
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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
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • 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
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • 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
    • B23Q2703/00—Work clamping
    • B23Q2703/02—Work clamping means
    • B23Q2703/04—Work clamping means using fluid means or a vacuum
    • 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
    • B23Q2703/00—Work clamping
    • B23Q2703/02—Work clamping means
    • B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)
  • Drilling And Boring (AREA)

Abstract

The invention discloses a clamp for boring lug holes and turning clamp spring grooves of a transmission shaft end tooth flange fork and a processing technology thereof. According to the invention, two original complicated positioning steps are reduced to one accurate positioning process in the process of carrying out the metal machining on the lug holes of the flange yoke of the end tooth of the transmission shaft, and two machined machine tools are reduced to one machine tool, so that the production efficiency is improved, and the production cost is reduced.

Description

Clamp for boring lug hole and turning clamp spring groove of end tooth flange yoke and machining process of clamp
Technical Field
The invention belongs to the technical field of machining clamps, and particularly relates to a clamp for boring lug holes and turning clamp spring grooves of an end tooth flange yoke and a machining process of the clamp.
Background
The automobile transmission shaft assembly has special use requirements, and needs to rotate at a high speed when transmitting torque, so that the requirements on the jumping quantity, the dynamic balance precision and the residual unbalance value of the transmission shaft assembly are higher and higher along with the increasing requirements of people on the humanization of automobile design and the comfort of automobile riding.
When the existing transmission shaft end tooth flange yoke is subjected to a two-lug-hole gold machining process, the boring machining is carried out by positioning two bolt holes of the end tooth flange yoke in a numerical control milling machine, and the clamp spring groove turning and hole expanding process is carried out by positioning lug holes in a numerical control lathe, so that twice positioning and clamping are used in the two processes of lug hole machining, the positioning reference is not uniform, and the lug hole precision cannot meet the use requirement. This phenomenon can lead to the following undesirable consequences: firstly, the distances of the clamp spring grooves of the two ear holes are not uniform, and the symmetry is out of tolerance; and secondly, earholes are easy to bore and deviate, the form and position tolerance of the earholes is out of tolerance, the initial dynamic balance value of assembly and dynamic balance is influenced, and the product quality is influenced. Therefore, the existing clamp for boring the lug hole and turning the clamp spring groove of the end tooth flange yoke of the transmission shaft and the processing technology thereof can not meet the requirements of bounce and dynamic balance of a transmission shaft assembly, and therefore, a new clamp for boring the lug hole and turning the clamp spring groove of the end tooth flange yoke of the transmission shaft and the processing technology thereof are actively developed to replace the traditional clamp for boring the lug hole and turning the clamp spring groove of the end tooth flange yoke of the transmission shaft and the processing technology thereof.
Disclosure of Invention
The invention aims to solve the technical problems that a novel clamp for boring ear holes and turning clamp spring grooves of a transmission shaft end tooth flange fork and a processing technology thereof are provided, and the problems that the distance of the clamp spring grooves of two ear holes in the transmission shaft end tooth flange fork is uneven, the ear holes are easy to bore and deviate, the ear hole form and position tolerance is ultra-poor, the initial dynamic balance value of assembly and dynamic balance is influenced and the like in the clamp in the prior art are solved.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a transmission shaft end tooth flange yoke boring ear hole, car clamp spring anchor clamps and processing technology for groove, anchor clamps include anchor clamps body, positioning disk and hydraulic clamping mechanism, the anchor clamps body is equipped with the cylinder of through-hole for middle axial, and the bottom of through-hole is provided with the positioning disk that is used for placing the processing flange yoke, the upper surface of positioning disk is provided with the terminal surface tooth that matches the adaptation with end tooth flange yoke bottom, hydraulic clamping mechanism sets up the upper portion at the anchor clamps body, and hydraulic clamping mechanism includes pneumatic cylinder, clamp plate and two V type pieces that float, and two lower terminal surfaces at the clamp plate are fixed to the V type piece that floats, and the position of two V type pieces that float suits with the position in two ear holes of end tooth flange yoke, the upper end of clamp plate and the piston rod fixed connection of pneumatic cylinder.
The invention is further improved as a clamp for boring lug holes and turning clamp spring grooves of the end tooth flange yoke of the transmission shaft: the lower end face of the floating V-shaped block is provided with an arc-shaped groove which can be matched with the upper end face of the lug part of the flange yoke.
The invention is further improved as a clamp for boring lug holes and turning clamp spring grooves of the end tooth flange yoke of the transmission shaft: the inner wall of the arc-shaped groove of the floating V-shaped block is provided with anti-skidding lines so as to increase the positioning accuracy of the end tooth flange yoke.
The invention is further improved as a clamp for boring lug holes and turning clamp spring grooves of the end tooth flange yoke of the transmission shaft: the bottom of the through hole of the clamp body is provided with a groove for mounting a positioning disc, and the positioning disc is fixed in the groove of the clamp body through a screw.
The processing technology of the transmission shaft end tooth flange yoke comprises the following steps: putting an end tooth flange fork to be processed into the fixture body from the front side, adjusting the position of the end tooth flange fork to enable end tooth flange fork bottom end face teeth to be meshed with end face teeth on the upper surface of a positioning disc, starting an automatic hydraulic cylinder, driving a pressing plate to downwards push a floating V-shaped block by a piston rod of the hydraulic cylinder, enabling an arc-shaped groove of the floating V-shaped block to tightly press two lug parts of the end tooth flange fork, completing positioning of the end tooth flange fork, and successively and respectively boring lug holes and turning clamp spring grooves in a turret processing center for the two lug holes.
Advantageous effects
According to the clamp for boring the lug hole and turning the clamp spring groove of the end tooth flange yoke of the transmission shaft and the machining process of the clamp, two original complicated positioning steps are reduced into one accurate positioning process in the process of gold machining of the lug hole of the end tooth flange yoke of the transmission shaft, the two machined machine tools are reduced into one machine tool, the production efficiency is improved, the production cost is reduced, more importantly, the precision of a part can be guaranteed to the maximum extent, the positioning is realized through the end tooth, the positioning precision is improved, repeated clamping and positioning are not needed, the positioning reference is unified, various error accumulation in gold machining is eliminated, the size precision of the lug hole is improved, the dynamic balance quality of the assembled transmission shaft assembly is guaranteed to the maximum extent, and the product quality is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the surface structure of the puck of the present invention;
the labels in the figure are: 1. the fixture comprises a fixture body, 2, a positioning disc, 3, a floating V-shaped block, 4 and a hydraulic cylinder.
Detailed Description
As shown in the figure, the clamp comprises a clamp body 1, a positioning disc 2 and a hydraulic clamping mechanism, wherein the clamp body 1 is a cylinder with a through hole in the middle axial direction, the bottom of the through hole of the clamp body 1 is provided with a groove for mounting the positioning disc 2, the positioning disc 2 for placing the flange fork to be processed is fixed in the groove of the clamp body 1 through a screw, the upper surface of the positioning disc 2 is provided with end face teeth adapted to the bottom of the flange fork with the end teeth, the hydraulic clamping mechanism is arranged on the upper part of the clamp body 1 and comprises a hydraulic cylinder 4, a pressing plate and two floating V-shaped blocks 3, the lower end face of each floating V-shaped block is provided with an arc-shaped groove capable of being matched with the upper end face of the ear part of the flange fork, the inner wall of the arc-shaped groove is provided with anti-skid grains so as to increase the positioning accuracy of the flange fork with the end teeth, the two floating V-shaped blocks 3 are fixed on the lower end face of the pressing plate, the positions of the two floating V-shaped blocks 3 are matched with the positions of two lug holes of the end tooth flange yoke, and the upper end of the pressing plate is fixedly connected with a piston rod of the hydraulic cylinder 4.
The processing technology of the transmission shaft end tooth flange yoke by utilizing the fixture for boring the lug hole and turning the clamp spring groove of the transmission shaft end tooth flange yoke comprises the following specific steps: putting the end tooth flange yoke to be processed into from the front side of the fixture body 1, adjusting the position of the end tooth flange yoke, enabling end tooth flange yoke bottom end face teeth to be meshed with end face teeth on the upper surface of the positioning disc 2, starting the automatic hydraulic cylinder 4, driving the pressing plate to downwards push the floating V-shaped block 3 by the piston rod of the hydraulic cylinder 4, enabling the arc-shaped groove of the floating V-shaped block 3 to tightly press two lug parts of the end tooth flange yoke, completing the positioning of the end tooth flange yoke, and successively and respectively boring lug holes and turning clamp spring grooves in the two lug holes by the turret processing center. The same positioning reference of the same lathe is adopted in the processing flow of the boring lug hole and the turning clamp spring groove, so that the product quality is greatly improved, the symmetry degree of the clamp spring groove is improved, and the assembly requirement is better met.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (2)

1. The utility model provides an end tooth flange yoke boring ear hole, car clamp spring anchor clamps for groove, includes anchor clamps body (1), positioning disk (2) and hydraulic clamping mechanism, its characterized in that: the clamp comprises a clamp body (1), a positioning disc (2) used for placing a flange fork to be processed is arranged at the bottom of the through hole, end face teeth which are matched with the bottom of an end tooth flange fork are arranged on the upper surface of the positioning disc (2) and are used for positioning, positioning accuracy is improved, a hydraulic clamping mechanism is arranged on the upper portion of the clamp body (1), the hydraulic clamping mechanism comprises a hydraulic cylinder (4), a pressing plate and two floating V-shaped blocks (3), the two floating V-shaped blocks (3) are fixed on the lower end face of the pressing plate, the positions of the two floating V-shaped blocks (3) are matched with the positions of two lug holes of the end tooth flange fork, and arc-shaped grooves which can be matched with the upper end faces of the lug parts of the flange fork are formed in the lower end faces of the floating V-shaped blocks (3); the inner wall of the arc-shaped groove is provided with anti-skid lines so as to increase the positioning accuracy of the end tooth flange yoke; the upper end of the pressure plate is fixedly connected with a piston rod of the hydraulic cylinder (4); the fixture is characterized in that a groove for mounting the positioning disc (2) is formed in the bottom of the through hole of the fixture body (1), and the positioning disc (2) is fixed in the groove of the fixture body (1) through a screw.
2. The process for machining the end tooth flange yoke of the transmission shaft by adopting the clamp for boring the lug hole and turning the snap spring groove of the end tooth flange yoke of claim 1 is characterized in that: putting an end tooth flange fork to be processed into the fixture from the front side of the fixture body (1), adjusting the position of the end tooth flange fork, meshing end teeth at the bottom of the end tooth flange fork and end teeth at the upper surface of the positioning disc (2), starting the automatic hydraulic cylinder (4), driving a pressing plate to downwards push the floating V-shaped block (3) by a piston rod of the hydraulic cylinder (4), pressing two lug parts of the end tooth flange fork by an arc-shaped groove of the floating V-shaped block (3), finishing positioning of the end tooth flange fork, and successively and respectively boring lug holes and turning clamp spring grooves in two lug holes by a turret processing center.
CN201611242456.4A 2016-12-29 2016-12-29 Clamp for boring lug hole and turning clamp spring groove of end tooth flange yoke and machining process of clamp Active CN106736652B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611242456.4A CN106736652B (en) 2016-12-29 2016-12-29 Clamp for boring lug hole and turning clamp spring groove of end tooth flange yoke and machining process of clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611242456.4A CN106736652B (en) 2016-12-29 2016-12-29 Clamp for boring lug hole and turning clamp spring groove of end tooth flange yoke and machining process of clamp

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CN106736652B true CN106736652B (en) 2020-04-14

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108067846A (en) * 2017-12-12 2018-05-25 中国重汽集团济南动力有限公司 A kind of processing technology of heavy-duty car transmission shaft end face tooth terminal pad
CN108214965B (en) * 2018-02-08 2024-03-12 常熟市创新陶瓷有限公司 Machining clamp and machining method for high-power water pump shaft impeller positioning platform

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU448946A2 (en) * 1972-07-21 1974-11-05 Московский Трижды Ордена Ленина И Ордена Трудового Красного Знамени Автомобильный Завод Им.И.А.Лихачева Tool for pressing out and pressing in bearings of cardan joints
CN201618851U (en) * 2009-12-11 2010-11-03 福建畅丰车桥制造有限公司 Special lathe for boring and turning automobile brake drum
CN202114498U (en) * 2011-05-25 2012-01-18 诸城市威尔浦汽车传动轴有限公司 Special tooling for four counter-sinking holes of flange yoke
CN202438865U (en) * 2012-01-17 2012-09-19 许昌远东传动轴股份有限公司 Four-hole clamp of transmission shaft flange-fork drill
CN102785098B (en) * 2012-08-31 2014-09-03 许昌远东传动轴股份有限公司 Hydraulic fixture for four-hole drilling for end tooth flange yoke of drive shaft
CN203542103U (en) * 2013-10-22 2014-04-16 重庆重汽远东传动轴有限责任公司 Fixture for slotting lugholes of flange yokes
CN203509704U (en) * 2013-11-18 2014-04-02 杜海霞 Lathe fixture
CN203993280U (en) * 2014-08-18 2014-12-10 许昌希福特传动轴有限公司 Numerical control boring technological equipment
CN206305801U (en) * 2016-12-29 2017-07-07 许昌远东传动轴股份有限公司 A kind of driving axle end tooth nosing fork boring earhole, car jump-ring slot fixture

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