CN106826550B - Duplex bearing positioning fixture - Google Patents

Duplex bearing positioning fixture Download PDF

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Publication number
CN106826550B
CN106826550B CN201510884844.1A CN201510884844A CN106826550B CN 106826550 B CN106826550 B CN 106826550B CN 201510884844 A CN201510884844 A CN 201510884844A CN 106826550 B CN106826550 B CN 106826550B
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CN
China
Prior art keywords
bearing
oscillating
oscillating bearing
clamp
gland
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Active
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CN201510884844.1A
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Chinese (zh)
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CN106826550A (en
Inventor
张让
邓雪梅
吴中伟
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.)
WENLING MINGHUA GEAR CO Ltd
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WENLING MINGHUA GEAR CO Ltd
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.)
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Priority to CN201510884844.1A priority Critical patent/CN106826550B/en
Publication of CN106826550A publication Critical patent/CN106826550A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies
    • B24B41/067Work supports, e.g. adjustable steadies radially supporting workpieces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/36Single-purpose machines or devices
    • B24B5/48Single-purpose machines or devices for grinding walls of very fine holes, e.g. in drawing-dies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10Single-purpose machines or devices
    • B24B7/16Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings

Abstract

The invention discloses a kind of duplex bearing positioning fixtures, including clamp body (1), first bearing oscillating bearing (2), second bearing oscillating bearing (3), tapered sleeve (5), ball bearing (7), gland (9), it compresses oscillating bearing (10), mandrel (11), the tapered sleeve (5) is arranged on clamp body (1) by ball bearing (7), first bearing oscillating bearing (2) and the second bearing oscillating bearing (3) are oppositely arranged up and down, constitute bearing oscillating bearing outer ring, the large cylindrical of clamp body (1) is convex spherical, constitute bearing oscillating bearing inner ring;Mandrel (11) surface is equipped with as the convex spherical for compressing oscillating bearing inner ring, gland (9) and mandrel (11) abutting end are concave spherical surface, the concave spherical surface part for compressing oscillating bearing (10) and gland (9) matches, and collectively forms and compresses oscillating bearing outer ring.The present invention effectively reduces cost and simplifies clamp structure, is floated using upper top pull-down and compresses to realize the features such as processing rigidity is big, precision is high.

Description

Duplex bearing positioning fixture
Technical field
The present invention relates to machining fixture technical field, in particular to a kind of duplex bearing positioning fixture.
Background technique
Disk cover parts refer generally to the parts such as ring flange, end cap, transparent cover, and this kind of part mainly plays support, axially position And sealing function, such part clamp generally use following several structures, one: positioning is swollen using spring expanding sleeve or oil pressure centering Tightly;Two: the positioning of slide fit mandrel or centering taper hole rear end face compress;Three: end surface supporting uses non-yielding prop pad or oil pressure balance branch It holds.The above structure has the disadvantage that the centering of 1, taper hole expansion set is unstable, using oil pressure structure complexity;2, slide fit mode has Gap is unable to precision centering, centering low efficiency;3, end face non-yielding prop, which jumps part end, requires high and oil pressure balance structure is complicated And failure rate height etc..
Summary of the invention
That the technical problem to be solved in the present invention is to provide a kind of structures is simple, positioning accuracy is high, rigidity is good and is able to achieve height Imitate the duplex bearing positioning fixture of automation.
In order to solve the above-mentioned technical problem, the technical scheme is that a kind of duplex bearing positioning fixture, including clamp body, First bearing oscillating bearing, the second bearing oscillating bearing, tapered sleeve, ball bearing, gland compress oscillating bearing, and mandrel is described Tapered sleeve is arranged on clamp body by ball bearing, and the first bearing oscillating bearing and second supports oscillating bearing phase up and down To setting, bearing oscillating bearing outer ring is constituted, the large cylindrical of the clamp body is convex spherical, is constituted in bearing oscillating bearing Circle;The gland is connect by compressing oscillating bearing with mandrel, and the mandrel is equipped with as in compression oscillating bearing The convex spherical of circle, the gland and mandrel abutting end are concave spherical surface, the concave spherical surface portion of the compression oscillating bearing and gland Split-phase cooperation, collectively forms and compresses oscillating bearing outer ring.
Joint is used using oscillating bearing bearing, gland and mandrel connection using the positioning of ball bearing tapered sleeve, lower positioning surface Bearing arrangement is floated using upper top pull-down and compresses to realize that the advantages that processing rigidity is big, precision is high realizes zero clearance positioning And repetitive positioning accuracy is within 0.002.Lower positioning support face uses oscillating bearing, and it is balanced compensated to realize end face.
The ball bearing is equipped with door close to one end of gland.
The tapered sleeve lower end is equipped with reset spring.
It is additionally provided with positioning pin, for making tapered sleeve be located in clamp body.
The clamp body is equipped with broaching tool pawl far from spindle end.
By adopting the above technical scheme, taper hole and large end face need to be in vertical composite grindings when overcoming the processing of existing such part It is processed on center to guarantee that the positioning accuracy of subsequent handling so as to cause defect at high cost, is bored in the present invention using ball bearing Set positioning, lower positioning surface is balanced compensated using oscillating bearing, effectively reduces cost and simplifies clamp structure, and the present invention Middle gland is connected with mandrel using oscillating bearing structure, floats compression using upper top pull-down to realize that processing rigidity is big, smart The features such as high is spent, entire clamping process can not need manually to participate in, high degree of automation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of duplex bearing positioning fixture of the present invention;
Appended drawing reference: 1- clamp body;2- first supports oscillating bearing, and 3- second supports oscillating bearing, 4- reset spring, 5- Tapered sleeve, 6- positioning pin, 7- ball bearing, 8- door, 9- gland, 10- compress oscillating bearing, 11- mandrel, 12- broaching tool pawl.
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing.It should be noted that for The explanation of these embodiments is used to help understand the present invention, but and does not constitute a limitation of the invention.In addition, disclosed below The each embodiment of the present invention involved in technical characteristic can be combined with each other as long as they do not conflict with each other.
A kind of duplex bearing positioning fixture, including clamp body 1, the first bearing oscillating bearing 2, the second bearing oscillating bearing 3, cone Set 5, ball bearing 7, gland 9 compress oscillating bearing 10, mandrel 11, and tapered sleeve 5 is arranged on clamp body 1 by ball bearing 7, First bearing oscillating bearing 2 and the second about 3 oscillating bearing of bearing are oppositely arranged, and constitute bearing oscillating bearing outer ring, clamp body 1 Large cylindrical be processed into convex spherical, constitute bearing oscillating bearing inner ring;Gland 9 is connected by compressing oscillating bearing 10 and mandrel 11 It connecing, 11 surface of mandrel processes convex spherical, and as the inner ring for compressing oscillating bearing, gland 9 and 11 abutting end of mandrel are concave spherical surface, The concave spherical surface part for compressing oscillating bearing 10 and gland 9 matches, and collectively forms and compresses oscillating bearing outer ring.
It is connected using the positioning of ball bearing tapered sleeve, lower positioning surface using oscillating bearing bearing, gland and mandrel in the present invention Using oscillating bearing structure, is floated using upper top pull-down and compress to realize that the advantages that processing rigidity is big, precision is high realizes zero Gap positioning and repetitive positioning accuracy are within 0.002.Lower positioning support face uses oscillating bearing, realizes end face balance and mends It repays.
Ball bearing 7 is equipped with door 8 close to one end of gland 9, and 5 lower end of tapered sleeve is equipped with reset spring 4, accurate for part Positioning, tapered sleeve 5 are located on clamp body 1 by positioning pin 6, in addition, clamp body 1 is equipped with broaching tool pawl 12 far from 11 end of mandrel.
Working principle: due to ball bearing zero clearance and almost make the characteristics of zero position error and under the action of positioning pin 6 Tapered sleeve 5 is accurately positioned on clamp body 1, and part is mounted on rear spindle 11 on tapered sleeve 5 and is automatically inserted into clamp body 1, passes through gland 9 It is accurately positioned under reset spring 4 and taper effect, continues the second bearing oscillating bearing 3 (upper outer ring) and part during pushing Large end face reliable contacts.To make part became one with fixture, clamping process can be not required to manually last broaching tool pawl drop-down mandrel It participates in, it is more preferable to realize automation clamping.
In conjunction with attached drawing, the embodiments of the present invention are described in detail above, but the present invention is not limited to described implementations Mode.For a person skilled in the art, in the case where not departing from the principle of the invention and spirit, to these embodiments A variety of change, modification, replacement and modification are carried out, are still fallen in protection scope of the present invention.

Claims (5)

1. a kind of duplex bearing positioning fixture, it is characterised in that: oscillating bearing (2) are supported including clamp body (1), first, second It holds oscillating bearing (3), tapered sleeve (5), ball bearing (7), gland (9), compresses oscillating bearing (10), mandrel (11), the cone It covers (5) to be arranged on clamp body (1) by ball bearing (7), first bearing oscillating bearing (2) and the second bearing joint Bearing (3) is oppositely arranged up and down, constitutes bearing oscillating bearing outer ring, and the large cylindrical of the clamp body (1) is convex spherical, is constituted Support oscillating bearing inner ring;The gland (9) is connect by compressing oscillating bearing (10) with mandrel (11), the mandrel (11) surface is equipped with the convex spherical as oscillating bearing inner ring, and the gland (9) and mandrel (11) abutting end are concave spherical surface, institute The concave spherical surface part of the compression oscillating bearing (10) and gland (9) stated matches, and collectively forms oscillating bearing outer ring.
2. duplex bearing positioning fixture according to claim 1, it is characterised in that: the ball bearing (7) is close to gland (9) one end is equipped with door (8).
3. duplex bearing positioning fixture according to claim 2, it is characterised in that: tapered sleeve (5) lower end, which is equipped with, to be resetted Spring (4).
4. duplex bearing positioning fixture according to any one of claim 1-3, it is characterised in that: positioning pin (6) are additionally provided with, For making tapered sleeve (5) be located in clamp body (1).
5. duplex bearing positioning fixture according to claim 4, it is characterised in that: the clamp body (1) is far from mandrel (11) end is equipped with broaching tool pawl (12).
CN201510884844.1A 2015-12-04 2015-12-04 Duplex bearing positioning fixture Active CN106826550B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510884844.1A CN106826550B (en) 2015-12-04 2015-12-04 Duplex bearing positioning fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510884844.1A CN106826550B (en) 2015-12-04 2015-12-04 Duplex bearing positioning fixture

Publications (2)

Publication Number Publication Date
CN106826550A CN106826550A (en) 2017-06-13
CN106826550B true CN106826550B (en) 2018-12-18

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111451969B (en) * 2020-05-15 2021-02-26 燕山大学 Annular centripetal clamp with shape self-adaptive capacity

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3907122A (en) * 1973-08-21 1975-09-23 Bergische Stahlindustrie Push and pull device, especially for light rail vehicles and cabin vehicles
CN201073738Y (en) * 2007-09-17 2008-06-18 济南一机床集团有限公司 Lathe fixture
CN201970109U (en) * 2010-12-29 2011-09-14 吴忠仪表有限责任公司 Novel fixture for machine tool
CN204053780U (en) * 2014-09-01 2014-12-31 云南飞隆劳尔设备有限公司 A kind of fixture for processing large revolving parts step end face
CN205254776U (en) * 2015-12-04 2016-05-25 温岭市明华齿轮有限公司 Two bearing position anchor clamps

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3907122A (en) * 1973-08-21 1975-09-23 Bergische Stahlindustrie Push and pull device, especially for light rail vehicles and cabin vehicles
CN201073738Y (en) * 2007-09-17 2008-06-18 济南一机床集团有限公司 Lathe fixture
CN201970109U (en) * 2010-12-29 2011-09-14 吴忠仪表有限责任公司 Novel fixture for machine tool
CN204053780U (en) * 2014-09-01 2014-12-31 云南飞隆劳尔设备有限公司 A kind of fixture for processing large revolving parts step end face
CN205254776U (en) * 2015-12-04 2016-05-25 温岭市明华齿轮有限公司 Two bearing position anchor clamps

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PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Double bearing positioning fixture

Effective date of registration: 20210623

Granted publication date: 20181218

Pledgee: Zhejiang Wenling Rural Commercial Bank Co.,Ltd.

Pledgor: WENLING MINGHUA GEAR Co.,Ltd.

Registration number: Y2021330000637

PE01 Entry into force of the registration of the contract for pledge of patent right