CN106475831B - Minor diameter blank hole Self-centering device - Google Patents
Minor diameter blank hole Self-centering device Download PDFInfo
- Publication number
- CN106475831B CN106475831B CN201611133905.1A CN201611133905A CN106475831B CN 106475831 B CN106475831 B CN 106475831B CN 201611133905 A CN201611133905 A CN 201611133905A CN 106475831 B CN106475831 B CN 106475831B
- Authority
- CN
- China
- Prior art keywords
- hole
- rod
- centering device
- minor diameter
- sticking department
- 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.)
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Links
- 239000011159 matrix material Substances 0.000 claims abstract description 24
- 230000033001 locomotion Effects 0.000 claims abstract description 5
- 230000013011 mating Effects 0.000 claims abstract description 5
- 239000000945 filler Substances 0.000 claims description 12
- 230000037452 priming Effects 0.000 claims description 5
- 239000004519 grease Substances 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 230000007812 deficiency Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- 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
- B23Q3/183—Centering devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
The present invention provides a kind of minor diameter blank hole Self-centering device, comprising: matrix comprising is disposed therein portion and through-hole through height and indent are in matrix top and two guide grooves being arranged symmetrically relative to through-hole；The body of rod, sliding are set in through-hole, and the body of rod can up and down reciprocatingly slide under the driving for the driving portion being sequentially connected with it along through-hole, and are symmetrically arranged with two plug divisions with the body of rod in angle setting respectively in body of rod top two sides；Sticking department, to slide two in two guide grooves respectively, sticking department includes being adapted to set on one side and with plug division the inserting groove connected, drive the body of rod when up and down reciprocatingly sliding in through-hole in driving portion, because two inserting grooves respectively mating with corresponding plug division due to drive two sticking departments in doing the smooth dynamic of reverse motions in corresponding guide groove, and by workpiece blank hole tensioner or loosen.The present invention is able to solve deficiency in the prior art, and has preferable using effect.
Description
Technical field
The present invention relates to technical field of mechanical processing, in particular to a kind of minor diameter blank hole Self-centering device.
Background technique
Just in high speed development, product is kept updating the field of machining of China；The trial-production of new product is processed from not
Go into operation clamps, and machine tool fixture is for fixing workpieces processing.And workpiece determines frock clamp when first sequence blank hole positions
Position requires most important.
Currently, the Self-centering device in workpiece blank hole, mostly uses rise steel ball mode or common drift promotion pin mode.Rise
Ball type Self-centering device, this structure push centering push rod to move forward, push steel indirectly by utilizing oil cylinder extending action
Pearl is displaced outwardly, and heart action is made in realization by oneself, and when return, push rod of feeling relieved is returned to original position by oil cylinder, and steel ball is in free shape at this time
State is fallen by workpiece, and steel ball is pushed back original position.
Common drift pushes pin-type load Self-centering device, and this structure pushes centering to push away by utilizing oil cylinder extending action
Bar moves forward, and is displaced outwardly by push rod slope driving pin, and heart action is made in realization by oneself, and when return, centering push rod is by oily
Cylinder is returned to original position, and pin can be returned to original position by dovetail groove on centering push rod, or by compressed spring, by pin push back to
It is in situ.
Minor diameter steel ball need to be selected, in this way when positioning workpiece minor diameter blank hole using the ball type Self-centering device that rises
Steel ball available restricted driving journey position is smaller, in the case where being fitted without workpiece, when heart action is made in execution by oneself, it may appear that steel ball falls
The problem of the phenomenon that falling causes workpiece that can not be accurately positioned, loses the machining accuracy of workpiece；Pin-type load is pushed using common drift
Self-centering device is limited by the centering structure sizes such as push rod and pin, is positioned commonly used in larger diameter hole, small diameter bore positioning
It is difficult to realize.
Summary of the invention
In view of this, positioning is easy real the present invention is directed to propose a kind of minor diameter blank hole Self-centering device, structure is simple
It is existing, and there is preferable using effect.
To achieve the above object, the technical solution of the invention is as follows: a kind of minor diameter blank hole Self-centering device, packet
It includes:
Matrix, described matrix include the portion that is disposed therein and through its height through-hole and indent in described matrix top
Two guide grooves held and be arranged symmetrically relative to the through-hole；
The body of rod, the body of rod sliding are set in the through-hole, and the body of rod drives the driving portion being sequentially connected with it
Under can up and down reciprocatingly be slided along the through-hole, and in body of rod top two sides be symmetrically arranged with two respectively with the body of rod in folder
The plug division of angle setting；
Sticking department, two be set in two guide grooves for sliding respectively, the sticking department include being set to one
Side and the inserting groove that connection is adapted to the plug division drive the body of rod above and below in the through-hole in the driving portion
When reciprocatingly sliding, drive two sticking departments in respective due to two inserting grooves mating with corresponding plug division respectively
The smooth dynamic of reverse motions is done in corresponding guide groove, and by workpiece blank hole tensioner or is loosened.
It is further preferred that the sticking department further includes wedge-shaped body, and it is set to the lock on the wedge-shaped body top
Only head and the boss seat for being set to the wedge-shaped body bottom end and being slidably matched with the guide groove, the inserting groove are set to
On the one side of the wedge-shaped body.
It is further preferred that the locking head setting cylindrical.
It is further preferred that in being installed with dustproof sheet on the inclined surface of the wedge-shaped body.
It is further preferred that being installed with top cover in described matrix top, the two sides of Yu Suoshu top cover are respectively formed with and institute
Sticking department matching is stated to accommodate the groove that the sticking department slides in and out.
It is further preferred that the top cover includes the ontology being connected with described matrix top, and it is connected to the ontology
On columnar head.
It is further preferred that being symmetrically arranged with two oil filler points in described matrix circumferential direction, and it is respectively communicated with two oilings
The priming cup in hole.
It is further preferred that the profit injected in the through-hole via oil filler point can be accepted in being formed in the body of rod circumferential direction
The annular groove of consistent lubricant.
Minor diameter blank hole Self-centering device of the invention, by by centring means be arranged to driving portion drive the body of rod in
When up and down reciprocatingly sliding in through-hole, two locks are driven due to two inserting grooves mating with corresponding plug division respectively
Portion is determined in doing the smooth dynamic of reverse motions in corresponding guide groove, and by workpiece blank hole tensioner or the form loosened, energy
Deficiency in the prior art is enough solved, there is preferable using effect.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of minor diameter blank hole Self-centering device described in the embodiment of the present invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the sectional view along A-A of Fig. 2；
Fig. 4 is the B-B direction cross-sectional view of Fig. 2；
Fig. 5 is the structural schematic diagram of matrix described in the embodiment of the present invention；
Fig. 6 is the structural schematic diagram of the body of rod described in the embodiment of the present invention；
Fig. 7 is the structural schematic diagram of sticking department described in the embodiment of the present invention；
Fig. 8 is the structural schematic diagram of top cover described in the embodiment of the present invention.
Description of symbols:
1- matrix, 11- through-hole, 12- guide groove, 13- step seam allowance, 14- oil filler point, 15- priming cup, the 2- body of rod, 21- platform
Rank slot, the plug division 22-, 23- annular groove, 3- sticking department, 31- inserting groove, 32- locking head, 33- boss seat, 34- dustproof sheet, 35-
Inclined surface, 4- top cover, 41- groove, 42- columnar head, 43- ontology, 44- step circles.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
The present embodiment is related to a kind of minor diameter blank hole Self-centering device, overall structure include matrix 1, the body of rod 2 and
Sticking department 3, in the present embodiment, as shown in Fig. 1 to Fig. 4, to keep device effect more preferable, Self-centering device further includes being fixedly arranged on matrix
The top cover 4 on 1 top.
On specific structure, as described in Fig. 5, matrix 1 is in boss-shaped, be provided on the pedestal of matrix 1 it is multiple can be with other machines
The fixed location hole of body, in, integrally formed with cylindrical base ontology, matrix 1 includes being disposed therein portion and running through on pedestal
The through-hole 11 of its height, in the present embodiment, through-hole 11 is arranged concentrically with cylindrical base ontology, and matrix 1 further includes indent in circle
Cylindricality body ontology top and two guide grooves 12 being arranged symmetrically relative to through-hole 11, in the present embodiment, bottom at Yu Tongkong 11
Seat is slidably connected with driving portion sealing.
As shown in connection with fig. 6 by Fig. 3, the sliding of the body of rod 2 is set in through-hole 11, and the body of rod 2 is in the driving portion being sequentially connected with it
Driving down can up and down reciprocatingly slide along through-hole 11, and is symmetrically arranged with two in 2 top two sides of the body of rod and sets respectively with the body of rod 2 in angle
The plug division 22 set, in the present embodiment, plug division 22 is L-shaped insert-connecting plate, and the angle of angle is 30°~60°, in the bottom of the body of rod 2
End is provided with step groove 21, and step groove 21 is used to be clamped with the driving head of following driving portions.In the present embodiment, by Fig. 4, Fig. 5
And shown in Fig. 6, two oil filler points 14 are symmetrically arranged in 1 circumferential direction of matrix, and be respectively communicated with the priming cup of two oil filler points 14
15, it is corresponding, the annular groove that the lubricating grease in through-hole 11 is injected via oil filler point 14 can be accepted in being formed in 2 circumferential direction of the body of rod
23。
As shown in connection with fig. 7 by Fig. 1, locking part is two that sliding respectively is set in two guide grooves 12, and sticking department 3 includes
It is adapted to the inserting groove 31 of connection set on one side and with plug division 22, drives the body of rod 2 in past up and down in through-hole 11 in driving portion
When sliding again, driven due to two inserting grooves 31 mating with corresponding plug division 22 respectively two sticking departments 3 in
The smooth dynamic of reverse motions is done in corresponding guide groove 12, and by workpiece blank hole tensioner or is loosened.On specific structure, by
Shown in Fig. 7, sticking department 3 further includes wedge-shaped body, and is set to the locking head 32 on wedge-shaped body top and is set to wedge shape originally
The body bottom end and boss seat 33 being slidably matched with guide groove 12, inserting groove 31 are set on the one side of wedge-shaped body, to make to lock
Only head 32 preferably adapts to minor diameter blank hole, the setting cylindrical of locking head 32, to avoid dust from falling into guide groove 12,
In being fixed with dustproof sheet 34 via fastener on the inclined surface of wedge-shaped body 35.
As shown in Fig. 1 to Fig. 8,1 top Yu Jiti is installed with top cover 4, is respectively formed with and sticking department in the two sides of top cover 4
3 matchings are to accommodate the groove 41 that sticking department 3 slides in and out, and on specific structure, ontology 43 are provided on top cover 4 and is connected to this
Columnar head 42 on body 43, in the present embodiment, the size of columnar head 42 is less than the size of minor diameter blank hole, 43 bottom end shape of ontology
The step circles 44 of 13 snap lock fit of step seam allowance of indent on Cheng Youyu cylindrical base ontology end face, then be bolted in via bolt
On cylindrical base ontology.In the present embodiment, groove 41 penetrates through ontology 43 and part cylinder head 42, to avoid work piece hoisting mistake
Cheng Zhong causes to damage to the outer peripheral surface of locking head 32, and when the body of rod 2 is in original state, the locking head 32 of two sticking departments 3 is equal
It being placed in columnar head 42, i.e., the sum of radial dimension of two locking heads 32 is less than the radial dimension of columnar head 42, in the present embodiment,
The sum of the radial dimension of preferably two locking heads 32 is slightly less than the radial dimension of columnar head 42.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of minor diameter blank hole Self-centering device characterized by comprising
Matrix (1), described matrix (1) include the portion that is disposed therein and through its height through-hole (11) and indent in described
Matrix (1) top and two guide grooves (12) being arranged symmetrically relative to the through-hole (11)；
The body of rod (2), the body of rod (2) sliding are set in the through-hole (11), and the body of rod (2) is in the driving being sequentially connected with it
It can up and down reciprocatingly be slided along the through-hole (11) under the driving in portion, and be symmetrically arranged with two points in the body of rod (2) top two sides
It is not in the plug division (22) of angle setting with the body of rod (2)；
Sticking department (3), the width of the sticking department (3) are adapted with the width of two guide grooves (12), the locking
The height in portion (3) is all larger than the height of two guide grooves (12), is set to two guide grooves (12) for sliding respectively
Interior two, sticking department (3) include wedge-shaped body, the locking head (32) for being set to wedge-shaped body top, are set to wedge-shaped body
Bottom end and the boss seat (33) being slidably matched with guide groove (12) and be set on the one side of wedge-shaped body and with the grafting
The inserting groove (31) of portion (22) adaptation connection；It is driven in the driving portion past up and down in the body of rod (2) Yu Suoshu through-hole (11)
When sliding again, two sticking departments are driven due to two inserting grooves (31) mating with corresponding plug division (22) respectively
(3) the smooth of reverse motions is done in corresponding guide groove (12) to move, and by workpiece blank hole tensioner or is loosened；
Top cover (4), top cover (4) are installed in described matrix (1) top, including the ontology (43) being connected with described matrix (1) top
With the columnar head (42) being connected on the ontology (43), the two sides of Yu Suoshu top cover (4) are respectively formed with and the sticking department
(3) matching is to accommodate the groove (41) that the sticking department (3) slides in and out；Sticking department (3) locking head (32) is located at columnar head
(42) it in, is limited by columnar head (42).
2. minor diameter blank hole Self-centering device according to claim 1, it is characterised in that: the locking head (32) is in circle
Cylindricality setting.
3. minor diameter blank hole Self-centering device according to claim 1 or 2, it is characterised in that: Yu Suoshu wedge-shaped body
Inclined surface (35) on be installed with dustproof sheet (34).
4. minor diameter blank hole Self-centering device according to claim 3, it is characterised in that: in described matrix (1) circumferential direction
There are two being symmetrical arranged oil filler point (14), and it is respectively communicated with the priming cup (15) of two oil filler points (14).
5. minor diameter blank hole Self-centering device according to claim 4, it is characterised in that: the Yu Suoshu body of rod (2) is circumferential
On be formed with and can accept the annular groove (23) for injecting the lubricating grease in the through-hole (11) via oil filler point (14).
6. minor diameter blank hole Self-centering device according to claim 1 or 2, it is characterised in that: described matrix (1) is circumferential
There are two being above symmetrical arranged oil filler point (14), and it is respectively communicated with the priming cup (15) of two oil filler points (14).
7. minor diameter blank hole Self-centering device according to claim 6, it is characterised in that: the Yu Suoshu body of rod (2) is circumferential
On be formed with and can accept the annular groove (23) for injecting the lubricating grease in the through-hole (11) via oil filler point (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611133905.1A CN106475831B (en) | 2016-12-10 | 2016-12-10 | Minor diameter blank hole Self-centering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611133905.1A CN106475831B (en) | 2016-12-10 | 2016-12-10 | Minor diameter blank hole Self-centering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106475831A CN106475831A (en) | 2017-03-08 |
| CN106475831B true CN106475831B (en) | 2019-11-01 |
Family
ID=58275076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611133905.1A Active CN106475831B (en) | 2016-12-10 | 2016-12-10 | Minor diameter blank hole Self-centering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106475831B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107764227B (en) * | 2017-12-20 | 2023-12-15 | 晋江市安海联诚机械有限公司 | Self-centering gauge for inner hole part |
| CN109605104A (en) * | 2019-01-16 | 2019-04-12 | 广西玉柴机器股份有限公司 | The positioning device in hole |
| CN110039349A (en) * | 2019-05-31 | 2019-07-23 | 海纳川（滨州）轻量化汽车部件有限公司 | A kind of high-precision pin hole positioning device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006205299A (en) * | 2005-01-27 | 2006-08-10 | Kosmek Ltd | Screw engagement type positioning device and its positioning direction adjusting method |
| CN201353709Y (en) * | 2009-02-19 | 2009-12-02 | 北京北内设备工具有限公司 | Self-centering device used for locating inner holes |
| CN101626866A (en) * | 2007-06-19 | 2010-01-13 | 丰田自动车株式会社 | Work positioning method, and positioning device |
| CN203918501U (en) * | 2014-06-03 | 2014-11-05 | 浙江师范大学 | A kind of aperture positioning and clamping device |
| CN205380494U (en) * | 2015-12-31 | 2016-07-13 | 无锡贝斯特精机股份有限公司 | Take gas examine interface from centring means |
| CN206405798U (en) * | 2016-12-10 | 2017-08-15 | 保定向阳航空精密机械有限公司 | Minor diameter blank hole Self-centering device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6371469B1 (en) * | 2000-06-06 | 2002-04-16 | David T. Gray | Expandable mandrel |
| CN202292489U (en) * | 2011-06-30 | 2012-07-04 | 长城汽车股份有限公司 | Self-centering structure for blank hole with small diameter |
-
2016
- 2016-12-10 CN CN201611133905.1A patent/CN106475831B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006205299A (en) * | 2005-01-27 | 2006-08-10 | Kosmek Ltd | Screw engagement type positioning device and its positioning direction adjusting method |
| CN101626866A (en) * | 2007-06-19 | 2010-01-13 | 丰田自动车株式会社 | Work positioning method, and positioning device |
| CN201353709Y (en) * | 2009-02-19 | 2009-12-02 | 北京北内设备工具有限公司 | Self-centering device used for locating inner holes |
| CN203918501U (en) * | 2014-06-03 | 2014-11-05 | 浙江师范大学 | A kind of aperture positioning and clamping device |
| CN205380494U (en) * | 2015-12-31 | 2016-07-13 | 无锡贝斯特精机股份有限公司 | Take gas examine interface from centring means |
| CN206405798U (en) * | 2016-12-10 | 2017-08-15 | 保定向阳航空精密机械有限公司 | Minor diameter blank hole Self-centering device |
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| Publication number | Publication date |
|---|---|
| CN106475831A (en) | 2017-03-08 |
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