CN101324248B - Elastic positioning pin without gas damp - Google Patents

Elastic positioning pin without gas damp Download PDF

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Publication number
CN101324248B
CN101324248B CN 200810124443 CN200810124443A CN101324248B CN 101324248 B CN101324248 B CN 101324248B CN 200810124443 CN200810124443 CN 200810124443 CN 200810124443 A CN200810124443 A CN 200810124443A CN 101324248 B CN101324248 B CN 101324248B
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CN
China
Prior art keywords
bottom end
positioning pin
hole
body
locating pin
Prior art date
Application number
CN 200810124443
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Chinese (zh)
Other versions
CN101324248A (en
Inventor
张新龙
Original Assignee
无锡市贝斯特精密机械有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 无锡市贝斯特精密机械有限公司 filed Critical 无锡市贝斯特精密机械有限公司
Priority to CN 200810124443 priority Critical patent/CN101324248B/en
Publication of CN101324248A publication Critical patent/CN101324248A/en
Application granted granted Critical
Publication of CN101324248B publication Critical patent/CN101324248B/en

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Abstract

The invention relates to an elastic locating pin without gas damping. A seat body is fixedly arranged on a clamping member; a slide opening is formed through the inside of the seat body; a locating pin body, the top end of which extends out of the seat body, is connected in a sliding manner in the slide opening; a limit bulge is arranged on the hole wall of the slide opening; correspondingly, a limit convex ring matched with the limit bulge is arranged on the outer wall at the bottom end of the locating pin; an adjusting nut is in bolt connection with the bottom end part of the slide opening to form a spring cavity between the adjusting nut and the locating pin; an offsetting spring is arranged in the spring cavity; the top end of the offsetting spring supports the bottom end face of the locating pin; the bottom end part of the offsetting spring supports the top end face of the adjusting nut; a mounting hole that communicates with the atmosphere is formed on the clamping member; the bottom end of the seat body is plugged in the mounting hole; a through-hole that leads the mounting hole to communicate with the spring cavity is formed on the adjusting nut. The spring cavity communicates with the external atmosphere, so that no gas damping exists when the locating pin moves up and down, and the up and down movement of the locating pin is flexible.

Description

无气体阻尼弹性定位销 No gas damper elastic positioning pin

技术领域 FIELD

[0001] 本发明涉及一种定位销,尤其是一种无气体阻尼弹性定位销。 [0001] The present invention relates to a positioning pin, in particular a gas damper without elastic positioning pin.

背景技术 Background technique

[0002] 夹具定位分精定位和粗定位,精定位一般用于工件精加工孔的定位,粗定位一般用于工件毛坯孔的定位。 [0002] The precise positioning jig positioning points and coarse positioning, fine positioning is used to locate a workpiece finish holes, generally used for coarse positioning of the positioning holes workpiece blank. 粗定位采用的是弹性定位销,它是用定位销的锥度来消除工件毛坯孔的尺寸公差,目前,一般的弹性定位销在弹簧腔与调整螺钉之间形成半密封空腔,空腔内存在空气,当定位销上下运动时,空腔体积发生变化,腔内的气体瞬间形成高压或负压, 成为气体阻尼,影响定位销的灵活运动,当形成负压时会吸引切削液和脏物进入滑孔,进而影响定位的准确性。 Coarse positioning uses elastic positioning pin, which is tapered to eliminate the positioning pin with the workpiece blank hole size tolerance, the moment, the elastic positioning pin between the spring chamber and the adjusting screw forms a semi-sealed cavity, the cavity in the memory air, when the positioning pin moves up and down to change the volume of the cavity, the cavity forming a high pressure gas instantaneously or negative, become a gas damper, and flexible impact movement positioning pin, when a negative pressure to attract fluid and dirt into the cutting sliding hole, thereby affecting the accuracy of positioning.

发明内容 SUMMARY

[0003] 本发明的目的是克服现有技术中存在的不足,提供一种弹簧腔与外界大气连通、 使得定位销上下运动时无气体阻尼、运动灵活的弹性定位销。 [0003] The object of the present invention is to overcome the disadvantages present in the prior art, there is provided a spring chamber communicating with the outside atmosphere, so that the vertical movement of the positioning pin no gas damper, the flexible movement of the elastic positioning pin.

[0004] 按照本发明提供的技术方案,在夹具上固定设置座体,座体内开设有贯穿的滑孔, [0004] according to the aspect of the present invention is provided, fixed on the jig base member, the body defines a seat slide hole therethrough,

滑孔内滑动连接顶端伸出座体的定位销体,滑孔的孔壁上设有限位凸起,相应地,在定位销 Slide slidably connected to the top hole of the positioning pin extending seat body, the slide hole of the pore walls a limiting projection, respectively, the positioning pin

体底端外壁设有限位凸起配合的限位凸环,滑孔底端部螺接调整螺母,使得调整螺母与定 The bottom end of the outer wall of the stopper member with the protrusion limiting collar, the bottom end portion of the slide hole screwed adjusting nut, so that the adjustment nut and the fixed

位销体之间形成弹簧腔,在弹簧腔内设有复位弹簧,所述复位弹簧顶端部顶在定位销体底 The spring chamber is formed between the alignment pin body, a spring chamber is provided with a return spring, the return spring to the top of the top end of the positioning pin body

端面,复位弹簧底端部顶在调整螺母的顶端面,在夹具上开设有贯通大气的安装孔,所述座 End surface, a bottom end portion of the return spring at the top end surface of the adjusting nut, the through hole defines a mounting jig in the atmosphere, said seat

体的底端插接在安装孔内,并在调整螺母上开设有连通安装孔与弹簧腔的连通孔。 The bottom end of the plug body within the mounting hole, and the communication hole opened in the adjusting mounting hole communicating with the spring chamber on the nut.

[0005] 在座体顶端部的滑孔内设有防尘圈。 [0005] The sliding hole of the seat body to the top portion of the dust seal is provided. 在定位销体底端部设有向上的凹陷,所述复 In the positioning pin body is provided with a bottom end portion upwardly recessed, the complex

位弹簧顶端嵌入该凹陷内。 Spring tip embedded in the recess. 在调整螺母正下方的夹具开设有连通安装孔的操作孔。 The clamp just below the adjusting nut defines a mounting hole communicating the operation hole.

[0006] 本发明中的弹簧腔与外界大气连通,使得定位销上下运动时无气体阻尼,定位销 [0006] The spring chamber communicating with the outside atmosphere in this invention, so that no gas damper positioning pin vertically moving the positioning pin

上下运动灵活。 Flexible up and down motion.

附图说明 BRIEF DESCRIPTION

[0007] 图1是本发明的整体结构示意图。 [0007] FIG. 1 is an overall schematic structure of the present invention. 具体实施方式 Detailed ways

[0008] 下面结合具体附图和实施例对本发明作进一步说明。 [0008] The following specific embodiments in conjunction with the drawings and embodiments of the present invention will be further described.

[0009] 如图所示:在夹具7上通过螺钉6固定设置座体5,座体5内开设有贯穿的滑孔8, 滑孔8内滑动连接顶端伸出座体5的定位销体1,滑孔8的孔壁上设有限位凸起14,相应地,在定位销体1底端外壁设有与限位凸起14配合的限位凸环15,滑孔8底端部螺接调整螺母4,使得调整螺母4与定位销体1之间形成弹簧腔9,在弹簧腔9内设有复位弹簧3,所述复位弹簧3顶端部顶在定位销体1底端面,复位弹簧3底端部顶在调整螺母4的顶端面, 在夹具7上开设有贯通大气的安装孔IO,所述座体5的底端插接在安装孔10内,并在调整螺母4上开设有连通安装孔10与弹簧腔9的连通孔11。 [0009] As shown in Fig: 7 on the jig 6 is fixed by a screw seat body 5, the seat member defines a slide hole 5 through 8, the positioning pin extending slidably connected to the top member 5 in a slide hole 8 , the cell walls of the slide hole 8 is provided with a stopper projection 14, respectively, at a bottom end of the outer wall body is provided with positioning pins 14 cooperating with the limit stop projection collar 15, the bottom end portion of the slide hole 8 screwed adjusting nut 4, so that the spring adjusting nut chamber 9 is formed between the body 14 and the positioning pin, a return spring 3 is equipped with a spring chamber 9, the return spring 3 to the top portion of the top surface of the positioning pin at the bottom end of the body 1, the return spring 3 a bottom end portion of the adjusting nut in the top of the top surface 4, on the clamp 7 defines a mounting hole IO through the atmosphere, a bottom end of said seat body 5 inserted in the mounting hole 10, and defines the adjustment nut 4 communicating mounting hole 10 communicates with the hole 9 of the spring chamber 11.

[0010] 在座体5顶端部的滑孔8内设有防尘圈2。 [0010] The seat body of the slide hole 8 to the top portion 5 equipped with a dust seal 2. 在定位销体1底端部设有向上的凹陷12,所述复位弹簧3顶端嵌入该凹陷12内。 In the positioning pin body 1 is provided with a bottom end portion upwardly of the recess 12, the return spring 3 is fitted into the recess 12 to the top. 在调整螺母4正下方的夹具7开设有连通安装孔10的操作孔13。 Directly below the adjustment nut 4 with an operation jig 7 defines the communication hole 10 of the mounting hole 13.

[0011] 本发明在调整螺母4中间打一连通孔ll,让弹簧腔9与夹具7的安装孔10接通, 又因为安装孔10与大气接通,使得定位销体1上下运动时,由于弹簧腔9与大气接通,不可能形成高压或负压,无气体阻尼,运动灵活。 [0011] When the present invention is in the middle of the adjustment nut 4 play a communicating hole ll, so that the spring chamber 9 and the mounting hole 10 of the jig 7 is turned on, and because the mounting holes 10 and the air turned on, so that a vertical movement of the positioning pin body, since the spring chamber 9 is turned with the atmosphere is impossible to form a high pressure or vacuum, no gas damper, flexible movement. 而且有防尘圈2的保护,切削液和脏物很难进入滑孔8,不会影响弹性定位销体1的定位作用。 And a dust protection ring, cutting fluids and dirt to enter the slide hole 2 is difficult to 8, will not affect the positioning of the elastic member is a locating pin.

Claims (4)

  1. 一种无气体阻尼弹性定位销,包括在夹具(7)上固定设置的座体(5),座体(5)内开设有贯穿的滑孔(8),滑孔(8)内滑动连接顶端伸出座体(5)的定位销体(1),滑孔(8)的孔壁上设有限位凸起(14),相应地,在定位销体(1)底端外壁设有限位凸起(14)配合的限位凸环(15),滑孔(8)底端部螺接调整螺母(4),使得调整螺母(4)与定位销体(1)之间形成弹簧腔(9),在弹簧腔(9)内设有复位弹簧(3),所述复位弹簧(3)顶端部顶在定位销体(1)底端面,复位弹簧(3)底端部顶在调整螺母(4)的顶端面,其特征是:在夹具(7)上开设有贯通大气的安装孔(10),所述座体(5)的底端插接在安装孔(10)内,并在调整螺母(4)上开设有连通安装孔(10)与弹簧腔(9)的连通孔(11)。 A non-gas damper elastic positioning pin, comprising a base body (5), the seat body (5) is opened in the jig (7) is provided with a fixed sliding hole (8) therethrough, is slidably connected to the top inner slide hole (8) the cell walls projecting seat (5) of the dowel body (1), a slide hole (8) is provided with a stopper projection (14), respectively, the positioning pin body (1) is provided with an outer wall of the bottom end of the stopper protrusion from (14) with a stop collar (15), a slide hole (8) the bottom end portion of the adjusting nut is screwed (4), so that the adjusting nut (4) and the positioning pin body (1) forming a spring chamber (9 between the ), in the spring chamber (9) is provided with a return spring (3), the return spring (3) to the top of the top (1) surface at the bottom end of the positioning pin body (3) in the bottom end of the top of the return spring adjusting nut ( 4) end surface, characterized in that: defines a mounting hole (10) through the atmosphere on a jig (7), (5) the bottom end of the base body inserted in the mounting hole (10), and adjustment mounting nut defines a communication hole (10) and the spring chamber (9) communicating hole (11) (4).
  2. 2. 如权利要求1所述的无气体阻尼弹性定位销,其特征是:在座体(5)顶端部的滑孔(8)内设有防尘圈(2)。 No gas damper of the elastic positioning pin as claimed in claim 1, wherein: the seat body (5) slide hole (8) to the top portion equipped with dust seal (2).
  3. 3. 如权利要求1所述的无气体阻尼弹性定位销,其特征是:在定位销体(1)底端部设有向上的凹陷(12),所述复位弹簧(3)顶端嵌入该凹陷(12)内。 3. No gas damper elastic positioning pin according to claim 1, wherein: the positioning pin body is provided with an upward recess (1) a bottom end portion (12), the return spring (3) fitted into the recess to the top (12).
  4. 4. 如权利要求l所述的无气体阻尼弹性定位销,其特征是:在调整螺母(4)正下方的夹具(7)开设有连通安装孔(10)的操作孔(13)。 4. No gas damper elastic positioning pin according to claim l, characterized in that: the adjustment nut (4) positive clamp (7) defines the bottom of the operation hole (13) communicating the mounting hole (10).
CN 200810124443 2008-07-16 2008-07-16 Elastic positioning pin without gas damp CN101324248B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200810124443 CN101324248B (en) 2008-07-16 2008-07-16 Elastic positioning pin without gas damp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200810124443 CN101324248B (en) 2008-07-16 2008-07-16 Elastic positioning pin without gas damp

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CN101324248A CN101324248A (en) 2008-12-17
CN101324248B true CN101324248B (en) 2010-06-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102672507A (en) * 2012-05-09 2012-09-19 浙江吉利控股集团有限公司 Manual auxiliary supporting mechanism

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101898311B (en) * 2010-07-13 2012-02-29 常熟市建华模具有限责任公司 Clamp structure for milling positioning reference plane on glass die blank
CN102773743A (en) * 2012-07-16 2012-11-14 沪东重机有限公司 Fixture for linear cutting of oil scraper ring seats of piston rods of low-speed marine diesel engines
CN102927102B (en) * 2012-11-21 2015-03-25 无锡贝斯特精机股份有限公司 Elastic locating pin
CN103362915B (en) * 2013-07-29 2016-04-27 西继迅达(许昌)电梯有限公司 elastic plug structure
CN103612150A (en) * 2013-11-12 2014-03-05 哈尔滨东安发动机(集团)有限公司 Movable positioning pin
CN103707083B (en) * 2013-12-18 2016-05-11 无锡倍安杰机械科技有限公司 Resilient key telescoping mechanism
CN103707090B (en) * 2013-12-26 2016-05-11 无锡贝斯特精机股份有限公司 Elastic locating mechanism
CN104626006B (en) * 2014-12-31 2016-07-13 无锡贝斯特精机股份有限公司 Gas dust-proof undamped regracting formula elastic locating mechanism

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2291525Y (en) 1997-04-15 1998-09-16 宗桂生 Wedge-shaped spring fitting pin
CN2869418Y (en) 2005-12-19 2007-02-14 郑卫星 Movable locating pin mechanism
CN201068790Y (en) 2007-07-30 2008-06-04 中国石化集团江汉石油管理局第四机械厂 Self locking type locating pin

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2291525Y (en) 1997-04-15 1998-09-16 宗桂生 Wedge-shaped spring fitting pin
CN2869418Y (en) 2005-12-19 2007-02-14 郑卫星 Movable locating pin mechanism
CN201068790Y (en) 2007-07-30 2008-06-04 中国石化集团江汉石油管理局第四机械厂 Self locking type locating pin

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
JP平1-306141A 1989.12.11
JP特开平10-26116A 1998.01.27
JP特开平9-248729A 1997.09.22

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102672507A (en) * 2012-05-09 2012-09-19 浙江吉利控股集团有限公司 Manual auxiliary supporting mechanism
CN102672507B (en) * 2012-05-09 2014-09-10 浙江吉利汽车研究院有限公司杭州分公司 Manual auxiliary supporting mechanism

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Owner name: WUXI BEST PRECISE MACHINE CO., LTD.

Free format text: FORMER NAME: WUXI BEISITE PRECISION MACHINERY CO., LTD.