CN109202107A - A kind of Double Tops point positioning mechanism and its localization method with bearing - Google Patents

A kind of Double Tops point positioning mechanism and its localization method with bearing Download PDF

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Publication number
CN109202107A
CN109202107A CN201811279242.3A CN201811279242A CN109202107A CN 109202107 A CN109202107 A CN 109202107A CN 201811279242 A CN201811279242 A CN 201811279242A CN 109202107 A CN109202107 A CN 109202107A
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CN
China
Prior art keywords
bearing
gear shaft
positioning mechanism
positioning
mandrel
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
CN201811279242.3A
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Chinese (zh)
Inventor
王汉斌
张燕
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Xian Fast Auto Drive Co Ltd
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Xian Fast Auto Drive Co Ltd
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Publication date
Application filed by Xian Fast Auto Drive Co Ltd filed Critical Xian Fast Auto Drive Co Ltd
Priority to CN201811279242.3A priority Critical patent/CN109202107A/en
Publication of CN109202107A publication Critical patent/CN109202107A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B23/00—Tailstocks; Centres
    • B23B23/04—Live centres
    • 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
    • B23Q3/18—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for positioning only
    • 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)
  • Support Of The Bearing (AREA)

Abstract

The invention discloses a kind of Double Tops point positioning mechanism with bearing, including the top positioning mechanism of gear shaft side arm and gear shaft tailstock centre positioning mechanism, the two position the axially position that gear shaft is realized in gear shaft front-end and back-end jointly respectively.The top positioning mechanism of gear shaft side arm includes mandrel, and tail end is equipped with spring in core axle hole, and core axle hole Inner Front End is equipped with dustproof guide sleeve, and the spring other end is connected with top, and top pass through and extends to outside core axle hole dustproof guide sleeve；Mandrel has been peripherally installed with bearing inner race, and bearing inner race is matched by bearing ball with bearing top circle, and bearing top circle periphery is equipped with shell；The mechanism structure is simple, registration.The localization method of the invention discloses a kind of Double Tops point positioning mechanism with bearing, positioning operation is simple and registration.

Description

A kind of Double Tops point positioning mechanism and its localization method with bearing
Technical field
The invention belongs to gear shaft positioning fields, are related to a kind of Double Tops point positioning mechanism and its localization method with bearing.
Background technique
It in gear shaft actual production, frequently refers to drill at axle journal using machining center, the processes such as groove milling.Often make Axial position is tightly limited with Double Tops pinnacle, wherein Double Tops point is fixed top, and head frame is top between fixture base, tailstock It is top relatively unrotatable between tailstock, axis angular motion is limited by protruding into tooth socket to tooth gauge.When Double Tops pinnacle is tight, During protruding into tooth socket to tooth gauge, when workpiece is by external force, can overcome center hole and it is top between sliding friction and turn Dynamic, the size of force of sliding friction is influenced by many factors such as pressure size, contact surface coefficient of frictions.Equally, workpiece table Face, which is applied to, will cause stability to tooth gauge deformation, to process to the power on tooth gauge and machining accuracy has very big shadow It rings.When force of sliding friction is excessive, to tooth gauge act on the power on the flank of tooth can not impeller-hub angular motion when, it is stuck to tooth gauge, it is fixed Position failure needs the hand-operated forced rotation axis of operative employee to assist to tooth even Set and Positioning again.
Summary of the invention
It is an object of the invention to overcome the above-mentioned prior art, a kind of Double Tops point positioning mechanism with bearing is provided And its localization method.
In order to achieve the above objectives, the present invention is achieved by the following scheme:
A kind of Double Tops point positioning mechanism with bearing, including the top positioning mechanism of gear shaft side arm and gear shaft tailstock centre Positioning mechanism, the two position the axially position that gear shaft is realized in gear shaft front-end and back-end respectively.
Further, the top positioning mechanism of gear shaft side arm includes mandrel, and tail end is equipped with spring, mandrel chamber in mandrel cavity Internal front end is equipped with dustproof guide sleeve, the spring other end be connected with it is top, it is top to pass through dustproof guide sleeve (7) and extend to mandrel cavity Outside；
Mandrel has been peripherally installed with bearing inner race, and bearing inner race is matched by bearing ball with bearing top circle, bearing top circle Periphery is equipped with shell.
Further, guide rail is equipped in dustproof guide sleeve, top to be equipped with positioning protrusion, the two, which matches, locates spring always In compressive state.
Further, shell includes bearing block and dead head, and bearing top circle periphery is equipped with bearing block, and bearing block periphery is equipped with Dead head.
Further, mandrel periphery tail end is equipped with bearing cap, and bearing cap tail end is equipped with rear cover, in bearing cap front end and bearing It encloses, the end face of bearing top circle is in contact.
Further, mandrel front end is equipped with axially position block；When axially position block end face and gear shaft positioning end face paste are tight When, spring reaches maximum compressibility.
Further, gear shaft tailstock centre positioning mechanism includes hydraulic spring grease cup tailstock and bearing tail centre, bearing tail top Point is located on hydraulic spring grease cup tailstock.
A kind of localization method of the Double Tops point positioning mechanism with bearing, comprising the following steps:
1) in gear shaft clamping process, the top compressed spring of gear shaft promotion, until gear shaft positioning end face is determined with axial Position block positioning surface is adjacent to；
2) hydraulic spring grease cup tailstock, in bearing tail centre jacking gear shaft other end centre bore, gear shaft axially position are driven Terminate.
A kind of localization method of the Double Tops point positioning mechanism with bearing, further includes following operation:
The positioning of gear shaft is realized to the angular motion that tooth gauge protrudes into tooth socket limitation axis.
Compared with prior art, the invention has the following advantages:
A kind of Double Tops point positioning mechanism with bearing, due to the top positioning mechanism of gear shaft side arm and gear shaft tailstock centre There are bearings in positioning mechanism, the stress of gear shaft can be changed into rolling by original sliding friction in position fixing process Turn is dynamic, the generation for preventing positioning from failing；Limitation in the top positioning mechanism of gear shaft side arm due to dustproof guide sleeve to spring, bullet Spring is constantly in compressive state, prevents from top falling off out of mandrel cavity；The mechanism structure is simple, registration.
A kind of localization method of the Double Tops point positioning mechanism with bearing, positioning operation is simple and registration.
Detailed description of the invention
Fig. 1 is a kind of positioning schematic diagram of the Double Tops point positioning mechanism with bearing provided of the invention.
Wherein: 1- dead head；2- bearing block；301- bearing inner race；302- bearing ball；303- bearing top circle；3- bearing； 4- is top；5- mandrel；6- axially position block；7- dustproof guide sleeve；8- spring；9- spindle nut；10- bearing cap；11- rear cover；12- Bearing tail centre；13- hydraulic spring grease cup tailstock；14- is angularly to tooth gauge；15- gear shaft.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, " Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product Or other step or units that equipment is intrinsic.
The invention will be described in further detail with reference to the accompanying drawing:
Referring to Fig. 1, Fig. 1 is a kind of positioning schematic diagram of the Double Tops point positioning mechanism with bearing provided of the invention, axis It contracts and includes bearing inner race 301, bearing ball 302 and bearing top circle 303, wherein bearing top circle 303 has been peripherally installed with bearing block 2, It is equipped with dead head 1 equipped with bearing block 2, three is integrally fixed to form shell；
Mandrel 5 is equipped in bearing inner race 301,5 periphery of mandrel is equipped with bearing cap 10, and 10 tail end of bearing cap is connected to rear cover 11, 10 front end face of bearing cap is in contact with bearing inner race 301, bearing top circle 303；Dustproof guide sleeve 7, mandrel are additionally provided in 5 cavity of mandrel 5 front end faces are equipped with axially position block 6, and tail end is equipped with spring 8 in 5 cavity of mandrel, and 8 other end of spring is equipped with top 4, top 4 and wears It crosses dustproof guide sleeve 7 to extend to outside 5 chamber of mandrel, top 4 are equipped with a protrusion, and 7 corresponding position of dustproof guide sleeve is equipped with a section guide rail, lead to The reply of spring 8 is crossed, pushes top 4 to move in guide rail, until spring 8 is still in compressive state at guide rail termination, prevents from pushing up Point falls off from mandrel inner hole；When the end face of axially position block 6 and gear shaft is inconsistent, spring 8 has reached maximum compression at this time Amount, the maximum compressibility of spring are limited by axially position block 6；
Bearing inner race 301, mandrel 5, bearing cap 10, rear cover 11, bearing cap 10, dustproof guide sleeve 7, axially position block 6, spring 8 and top 4 are integrally fixed, and are rolled with the bearing block 2, dead head 1, bearing top circle 303 of its outer one by bearing ball 302 It is dynamic, can overcome center hole and it is top between sliding friction and rotate, convert rolling for sliding friction.
Tailstock centre is that bearing tail centre 12 is installed on hydraulic spring grease cup tailstock 13, converts rolling friction for sliding friction, Influence of the above problem to process can be greatly reduced.
A kind of localization method of the Double Tops point positioning mechanism with bearing, comprising the following steps:
1) in gear shaft clamping process, gear shaft pushes top 4 compressed spring 8, until gear shaft positioning end face and axial direction 6 positioning surface of locating piece is adjacent to；
2) hydraulic spring grease cup tailstock 12 is driven, in 13 jacking gear shaft other end centre bore of bearing tail centre, gear shaft is axial Positioning terminates；
3) angular motion for protruding into tooth socket limitation axis to tooth gauge 14 realizes the positioning of gear shaft.
After the clamping of workpieces of Double Tops pinnacle, workpiece rotation no longer need to overcome centre bore and it is top between force of sliding friction, gear Axis, shell entirety and bearing tail centre, which are integral, only needs to overcome bearing element friction can ease rotation.
The above content is merely illustrative of the invention's technical idea, and this does not limit the scope of protection of the present invention, all to press According to technical idea proposed by the present invention, any changes made on the basis of the technical scheme each falls within claims of the present invention Protection scope within.

Claims (9)

1.一种带轴承的双顶尖定位机构，其特征在于，包括齿轮轴前架顶尖定位机构和齿轮轴尾座顶尖定位机构，两者分别定位齿轮轴前端和后端实现齿轮轴的轴向定位。1. A double top positioning mechanism with a bearing is characterized in that, including the top positioning mechanism of the front frame of the gear shaft and the top positioning mechanism of the gear shaft tailstock, the two position the front end and the rear end of the gear shaft respectively to realize the axial positioning of the gear shaft. . 2.根据权利要求1所述的带轴承的双顶尖定位机构，其特征在于，齿轮轴前架顶尖定位机构包括芯轴(5)，芯轴(5)腔体内尾端设有弹簧(8)，芯轴(5)腔体内前端设有防尘导套(7)，弹簧(8)另一端连接有顶尖(4)，顶尖(4)穿过防尘导套(7)并延伸至芯轴(5)腔体外；2 . The double-center positioning mechanism with bearings according to claim 1 , wherein the center positioning mechanism of the front frame of the gear shaft comprises a mandrel (5), and a spring (8) is provided at the rear end of the cavity of the mandrel (5). , the front end of the cavity of the mandrel (5) is provided with a dust-proof guide sleeve (7), the other end of the spring (8) is connected with a tip (4), and the tip (4) passes through the dust-proof guide sleeve (7) and extends to the mandrel (5) Outside the cavity; 芯轴(5)外围环设有轴承内圈(301)，轴承内圈(301)通过轴承滚珠(302)与轴承外圆(303)相配合，轴承外圆(303)外围设有外壳。The outer ring of the mandrel (5) is provided with a bearing inner ring (301), the bearing inner ring (301) is matched with the bearing outer circle (303) through the bearing balls (302), and the bearing outer circle (303) is provided with an outer shell. 3.根据权利要求2所述的带轴承的双顶尖定位机构，其特征在于，防尘导套(7)内设有导轨，顶尖(4)上设有定位凸起，两者相配合使弹簧(8)始终处于压缩状态。3. The double-center positioning mechanism with bearings according to claim 2, characterized in that a guide rail is provided in the dust-proof guide sleeve (7), and a positioning protrusion is provided on the center (4), and the two cooperate to make the spring. (8) Always in a compressed state. 4.根据权利要求2或3所述的带轴承的双顶尖定位机构，其特征在于，外壳包括轴承座(2)和顶尖座(1)，轴承外圆外围设有轴承座(2)，轴承座(2)外围设有顶尖座(1)。4. The double-center positioning mechanism with bearings according to claim 2 or 3, characterized in that the housing comprises a bearing seat (2) and a center seat (1), the outer circumference of the bearing is provided with a bearing seat (2), and the bearing A top seat (1) is arranged on the periphery of the seat (2). 5.根据权利要求4所述的带轴承的双顶尖定位机构，其特征在于，芯轴(5)外围尾端设有轴承盖(10)，轴承盖(10)尾端设有后盖(11)，轴承盖(10)前端与轴承内圈(301)、轴承外圆(303)的端面相接触。5 . The double-center positioning mechanism with bearings according to claim 4 , wherein the outer end of the mandrel ( 5 ) is provided with a bearing cover ( 10 ), and the end of the bearing cover ( 10 ) is provided with a rear cover ( 11 ). 6 . ), the front end of the bearing cover (10) is in contact with the end surfaces of the bearing inner ring (301) and the bearing outer circle (303). 6.根据权利要求5所述的带轴承的双顶尖定位机构，其特征在于，芯轴(5)前端设有轴向定位块(6)；当轴向定位块(6)端面与齿轮轴定位端面贴紧时，弹簧(8)达到最大压缩量。6. The double-center positioning mechanism with bearings according to claim 5, wherein the front end of the mandrel (5) is provided with an axial positioning block (6); when the end face of the axial positioning block (6) is positioned with the gear shaft When the end faces are in close contact, the spring (8) reaches the maximum compression. 7.根据权利要求6所述的带轴承的双顶尖定位机构，其特征在于，齿轮轴尾座顶尖定位机构包括液压弹簧尾座(12)和轴承尾顶尖(13)，轴承尾顶尖(13)设在液压弹簧尾座(12)上。7. The double-center positioning mechanism with bearings according to claim 6, wherein the gear shaft tailstock center positioning mechanism comprises a hydraulic spring tailstock (12) and a bearing tail tip (13), the bearing tail tip (13) Set on the hydraulic spring tailstock (12). 8.根据权利要求7所述的带轴承的双顶尖定位机构的定位方法，其特征在于，包括以下步骤：8. The method for positioning a double-point positioning mechanism with a bearing according to claim 7, wherein the method comprises the following steps: 1)齿轮轴装夹过程中，齿轮轴推动顶尖(4)压缩弹簧(8)，直至齿轮轴定位端面与轴向定位块(6)定位面贴紧；1) During the clamping process of the gear shaft, the gear shaft pushes the top (4) to compress the spring (8) until the positioning end face of the gear shaft is in close contact with the positioning face of the axial positioning block (6); 2)驱动液压弹簧尾座(12)，轴承尾顶尖(13)顶进齿轮轴另一端中心孔内，齿轮轴轴向定位结束。2) Drive the hydraulic spring tailstock (12), the bearing tail tip (13) is pushed into the center hole of the other end of the gear shaft, and the axial positioning of the gear shaft is completed. 9.根据权利要求8所述的带轴承的双顶尖定位机构的定位方法，其特征在于，还包括以下操作：9. The positioning method of the double-point positioning mechanism with bearings according to claim 8, characterized in that, further comprising the following operations: 对齿规(14)伸入齿槽限制轴的角向转动实现齿轮轴的定位。The gear gauge (14) extends into the tooth slot to limit the angular rotation of the shaft to realize the positioning of the gear shaft.
CN201811279242.3A 2018-10-30 2018-10-30 A kind of Double Tops point positioning mechanism and its localization method with bearing Pending CN109202107A (en)

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Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN110132091A (en) * 2019-05-28 2019-08-16 江苏中联铝业有限公司 A clamping device for detection of wheel disc brake surface runout tolerance
CN114789259A (en) * 2022-06-09 2022-07-26 洛阳新强联回转支承股份有限公司 Tapered roller machining method for tapered roller bearing of high-power wind driven generator
CN116967963A (en) * 2023-09-22 2023-10-31 南通新思迪机电有限公司 Clamp device for automatic positioning and clamping for gear shaft machining

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110132091A (en) * 2019-05-28 2019-08-16 江苏中联铝业有限公司 A clamping device for detection of wheel disc brake surface runout tolerance
CN114789259A (en) * 2022-06-09 2022-07-26 洛阳新强联回转支承股份有限公司 Tapered roller machining method for tapered roller bearing of high-power wind driven generator
CN116967963A (en) * 2023-09-22 2023-10-31 南通新思迪机电有限公司 Clamp device for automatic positioning and clamping for gear shaft machining
CN116967963B (en) * 2023-09-22 2023-12-12 南通新思迪机电有限公司 Clamp device for automatic positioning and clamping for gear shaft machining

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Application publication date: 20190115

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