CN103465066A - Self-centering fixture for production of blanks for all-electric injection moulding machines - Google Patents
Self-centering fixture for production of blanks for all-electric injection moulding machines Download PDFInfo
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- CN103465066A CN103465066A CN2013103907321A CN201310390732A CN103465066A CN 103465066 A CN103465066 A CN 103465066A CN 2013103907321 A CN2013103907321 A CN 2013103907321A CN 201310390732 A CN201310390732 A CN 201310390732A CN 103465066 A CN103465066 A CN 103465066A
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Abstract
The invention provides a self-centering fixture for the production of blanks for all-electric injection moulding machines. A novel positioning method is adopted; as to positioning faces of a blank, the blank is centered through two inner faces instead of one outer face, namely positioning and centering is performed using a face in the same plane with the face to be machined as a reference face. The fixture comprises a positioning centering unit having fixed center; a return spring is reset by manually rotating a drive screw; two positioning faces of the blank are held with two jaws capable of changing the size of an opening, and the two jaws form a floating reference retainer; the jaws can change according to changes in the blank; one axial direction of the blank can also be positioned to a fixed center with the jaws. The fixture has the advantages that the influence of nonuniform allowance and structural deformation in the blank upon the machining size can be reduced effectively, and clamping time is shorter; through the use of the fixture compared to the traditional positioning methods, reject ratio of products is reduced, quality stability in products is improved, and operation is simple, fast and easy.
Description
Technical field
The invention belongs to machine components spray manufacture field, relate in particular to a kind of manufacture full electric injection molding machine self-centering blank fixture.
Background technology
Chaining part is the important spare part in injection machine, and its machining accuracy has very large impact for the accurate operation of injection machine.Fig. 1-3 provide the structural representation of chaining part blank.According to the front view of Fig. 1, three-dimensional localization is carried out in space, getting is laterally X-axis, is vertically Y-axis, and entering the paper direction is Z axis, can each face of chaining part be described.As Figure 1-3, the face that chaining part has comprises inboard datum level A 1, inboard datum level B 2, Z-direction datum level A 3, Z-direction datum level B 4, X-direction datum level A 7, X-direction datum level B 8, Y-direction datum level A 9 and Y-direction datum level B 10.Foundry goods has to be processed A 5 and to be processed B 6, and the machining accuracy of these two faces will affect coordinating of chaining part and other drive disk assembly in injection machine, so the machining accuracy of these two faces is determining the processing quality of chaining part.
For the processing of blank, generally use horizontal Machining centers to carry out, that is, at first foundry goods is assemblied on fixture, fixture is installed on workbench, start cutter part is processed.Therefore, the location of blank on fixture becomes the most important factor that affects machining accuracy.At present, for the locate mode of injection machine part chaining part on fixture, be: be close to positioning anchor by a side of blank, then push up and roll over from the point-to-point mode of contrary face, product is completed to an axial restriction.But may occur the phenomenons such as the inhomogeneous or malformation of surplus due to blank dimension, will make like this some faces can't process, or blank and two machined surfaces apart from inhomogeneous.For preventing the appearance of this phenomenon, operating personnel may still will measure and confirm that whether allowance enough behind location, will be how the step work of proofreading and correct again, also increased time of processing.
Summary of the invention
The deficiency that causes before processing needing repetition effect bland position in order to overcome the inhomogeneous and deformation of products of the surplus size occurred in current blank clamping.The invention provides a kind of fixture used when processing for injection machine part chaining part, this fixture can not only allow one of blank axially obtain during self-centering divides fast, and can also deduct the step of correction.
The technical solution adopted for the present invention to solve the technical problems is: in original processing technology under constant prerequisite, the redesign fixture is to revise the blank locate mode, change the blank locating surface and changed in two faces of inboard are realized minute by the one side in the outside, by positioning minute as the reference datum level with to be processed 5,6 face on a face.Pacified a device on fixture, middle unit 19 is divided in location, Ta fixes at center, with manual rotation, drive screw 30 that back-moving spring 26 is resetted, with two can the transform size opening chela block the face of two location of blank, two chelas have just formed unsteady benchmark backer, can change according to the variation of blank, and of blank axially also can navigate to a fixing center with chela.
Specifically, technical scheme of the present invention is as follows:
A kind of manufacture full electric injection molding machine self-centering blank fixture, for the processing of injection machine part chaining part, described chaining part has inboard datum level A 1, inboard datum level B 2, Z-direction datum level A 3, Z-direction datum level B 4, to be processed A 5, to be processed B 6, X-direction datum level A 7, X-direction datum level B 8, Y-direction datum level A 9, Y-direction datum level B 10, described manufacture full electric injection molding machine comprises stand A 18 with the self-centering blank fixture, stand B 21, clamp bottom board 23, stand A 18 is connected with clamp bottom board 23 by rigging screw 22 with stand B 21, on stand A 18 and stand B 21, is equipped with Y-direction benchmark backer 11, X-direction adjustment screw 12, X-direction pressing plate 13, Y-direction pressing plate 14, Z-direction adjustment screw 15, Y-axis supporting seat A 16, Y-axis supporting seat B 17, Z-direction backer's screw 20, is characterized in that, also has one and locate a minute middle unit 19, and a minute middle unit 19, location has chela A 24, chela axle A 25, back-moving spring 26, chela B 27, chela axle B 28, sliding shoe 29, drive screw 30, unit housings 32 in minute, wherein divide middle unit housings 32 accurately to be arranged on securely on stand B 21, chela A 24 rotates centered by chela axle A 25, chela B 27 rotates centered by chela axle B 28, back-moving spring 26 two ends are connected on chela A 24 and chela B 27, sliding shoe 29 is slidably matched between chela A 24 and chela B 27 and with them, drives screw 30 to be arranged on minute middle unit housings 32 and is against sliding shoe 29 belows.As shown in Figure 6 and Figure 7, the chaining part clamping on fixture the time, rotarilys actuate screw 30, and it promotes sliding shoe 29, and sliding shoe 29 pushes two chelas 24,27 and opens and clamps chaining part sidewall 31.After machining, retract and drive screw 30, sliding shoe 29 is retracted, and back-moving spring 26 can make two chelas 24,27 retract automatically, thereby the chaining part after processing can be hung oneself from fixture.Owing to having adopted this structure, as long as adjusted minute middle unit 19, location, machined surface 5,6 will remain at applicable position in process.If the one in machined surface 5,6 has deviation, can form malleation to corresponding chela so, thereby make the power be applied on corresponding machined surface increase, part is carried out to automatic calibration.
Proofread and correct minute best effect of middle acquisition for making, preferably the parts in housing are symmetrical, and therefore preferred chela A 24 and chela B 27 have same size.And sliding shoe 29 can have up-small and down-big tapering, thereby more easily realize opening of chela.
The invention has the beneficial effects as follows:
Adopt manufacture full electric injection molding machine self-centering blank fixture of the present invention, can effectively reduce the impact of the inhomogeneous and malformation of the surplus of blank on processing dimension, and reduce the clamping time.This fixture application is in extensive range, realization require starting point not high, the small and exquisite simple compactness of structure, applicability is strong, cost-saving, has overcome in current fixture less because of the product structure space, be inconvenient to increase the fixture fittings of macrostructure, and the small space hand stretches into the difficult problem of operating difficulties.And the transformation of old fixture also is easy to, as long as dividing middle Unit Design by above-mentioned location is standard fitting, is applied to fast in the old and new's fixture and gets final product.Compared with former locate mode, reduce the fraction defective of product, the quality stability of product is improved, fast power-saving simple to operate.
The accompanying drawing explanation
Fig. 1 is the front view of manufacture full electric injection molding machine of the present invention applicable chaining part with the self-centering blank fixture;
Fig. 2 is the stereogram of manufacture full electric injection molding machine of the present invention direction of applicable chaining part with the self-centering blank fixture;
Fig. 3 is the stereogram of manufacture full electric injection molding machine of the present invention another direction of applicable chaining part with the self-centering blank fixture;
Fig. 4 is the side view of manufacture full electric injection molding machine of the present invention with the self-centering blank fixture;
Fig. 5 is the stereogram of manufacture full electric injection molding machine of the present invention with the self-centering blank fixture;
Fig. 6 is the front view of chaining part clamping after manufacture full electric injection molding machine of the present invention is used on the self-centering blank fixture;
Fig. 7 be in Fig. 6 A-A to cutaway view.
In the drawings: 1 inboard datum level A; 2 inboard datum level B; 3 Z-direction datum level A; 4 Z-direction datum level B; 5 to be processed A; 6 to be processed B; 7 X-direction datum level A; 8 X-direction datum level B; 9 Y-direction datum level A; 10 Y-direction datum level B; 11 Y-direction benchmark backers; 12 X-direction adjustment screw; 13 X-direction pressing plates; 14 Y-direction pressing plates; 15 Z-direction adjustment screw; 16 Y-axis supporting seat A; 17 Y-axis supporting seat B; 18 stand A; Minute middle unit, 19 location; 20 Z-direction backer screws; 21 stand B; 22 rigging screws; 23 clamp bottom boards; 24 chela A; 25 chela axle A; 26 back-moving springs; 27 chela B; 28 chela axle B; 29 sliding shoes; 30 drive screw; 31 chaining part sidewalls; Unit housings in 32 minutes.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Referring to accompanying drawing, Fig. 1-3 provide the structural representation of chaining part blank.According to the front view of Fig. 1, three-dimensional localization is carried out in space, getting is laterally X-axis, is vertically Y-axis, and entering the paper direction is Z axis, can each face of chaining part be described.As Figure 1-3, the face that chaining part has comprises inboard datum level A 1, inboard datum level B 2, Z-direction datum level A 3, Z-direction datum level B 4, X-direction datum level A 7, X-direction datum level B 8, Y-direction datum level A 9 and Y-direction datum level B 10.
Foundry goods has to be processed A 5 and to be processed B 6, and the present invention does not change original processing technology, and the redesign fixture to be to revise the blank locate mode, in positioning minute as the reference datum level with to be processed 5,6 face on a face.
Referring to Fig. 4 and Fig. 5, manufacture full electric injection molding machine and comprise stand A 18, stand B 21, clamp bottom board 23 with the self-centering blank fixture, stand A 18 is connected with clamp bottom board 23 by rigging screw 22 with stand B 21, on stand B 21, be equipped with the location minute in unit 19.
Referring to Fig. 4 and Fig. 5, Y-direction benchmark backer 11, X-direction adjustment screw 12, X-direction pressing plate 13, Y-direction pressing plate 14, Z-direction adjustment screw 15, Y-axis supporting seat A 16, Y-axis supporting seat B 17, Z-direction backer's screw 20 are installed on stand A 18 and stand B 21.Wherein Y-direction benchmark backer 11 first leans against top for Y-direction datum level A 9 and the Y-direction datum level B 10 of product when the clamping, the location Y-direction.X-direction adjustment screw 12, for after being close at X-direction datum level A 7, suppresses product by X-direction adjustment screw 12.X-direction pressing plate 13 is for pushing down the X-direction datum level B 8 of product.Y-direction pressing plate 14 is for pushing down above product fixedly Y-direction.After Z-direction adjustment screw 15 is close to for the Z-direction datum level 3 at product, product is pushed up to press and clamp.Y-axis supporting seat A 16 and Y-axis supporting seat B 17 are for providing the Y-axis supporting to product.Z-direction backer's screw 20 can be as the backer of Adjustable Range, and it can push up to press with respect to the Z-direction adjustment screw 15 on opposite and clamp.Therefore they can be auxiliary fixing when clamping, reaches better fixed effect.
Referring to Fig. 6 and Fig. 7, locating minute structure of middle unit 19 comprises chela A 24, chela axle A 25, back-moving spring 26, chela B 27, chela axle B 28, sliding shoe 29, drives screw 30, divides middle unit housings 32, in minute, unit housings 32 accurately is arranged on stand B 21 securely, and other parts are arranged on minute middle unit housings 32.Parts in housing are preferably symmetrical, and chela A 24 and chela B 27 have same size, thereby make in proofreading and correct minute, obtain a best effect.
Chela A 24 rotates centered by chela axle A 25, chela B 27 rotates centered by chela axle B 28, back-moving spring 26 two ends are connected on chela A 24 and chela B 27, sliding shoe 29 is slidably matched between chela A 24 and chela B 27 and with them, drives screw 30 to be arranged on minute middle unit housings 32 and is against sliding shoe 29 belows.Sliding shoe 29 can have up-small and down-big tapering, thereby more easily realizes opening of chela.As shown in Figure 7, the chaining part clamping on fixture the time, rotarilys actuate screw 30, and it promotes sliding shoe 29, and sliding shoe 29 pushes two chelas 24,27 and opens and clamps chaining part sidewall 31.After machining, retract and drive screw 30, sliding shoe 29 is retracted, and back-moving spring 26 can make two chelas 24,27 retract automatically, thereby the chaining part after processing can be hung oneself from fixture.Owing to having adopted this structure, as long as adjusted minute middle unit 19, location, machined surface 5,6 will remain at applicable position in process.If the one in machined surface 5,6 has deviation, can form malleation to corresponding chela so, thereby make the power be applied on corresponding machined surface increase, part is carried out to automatic calibration.
Therefore utilize fixing location, center to divide middle unit 19, with manual rotation, drive screw 30 that back-moving spring 26 is resetted, with two can the transform size opening chela block the face of two location of blank, two chelas have just formed unsteady benchmark backer, can change according to the variation of blank, and of blank axially also can navigate to a fixing center with chela.
Adopt manufacture full electric injection molding machine self-centering blank fixture of the present invention, can effectively reduce the impact of the inhomogeneous and malformation of the surplus of blank on processing dimension, and reduce the clamping time.This fixture application is in extensive range, realization require starting point not high, the small and exquisite simple compactness of structure, applicability is strong, cost-saving, has overcome in current fixture less because of the product structure space, be inconvenient to increase the fixture fittings of macrostructure, and the small space hand stretches into the difficult problem of operating difficulties.And the transformation of old fixture also is easy to, as long as dividing middle Unit Design by above-mentioned location is standard fitting, is applied to fast in the old and new's fixture and gets final product.Compared with former locate mode, reduce the fraction defective of product, the quality stability of product is improved, fast power-saving simple to operate.
The above is described in detail embodiments of the present invention by reference to the accompanying drawings, but the invention is not restricted to above-mentioned embodiment, in the ken possessed at affiliated technical field those of ordinary skill, can also under the prerequisite that does not break away from aim of the present invention, make a variety of changes.
Claims (2)
1. manufacture full electric injection molding machine self-centering blank fixture for one kind, for the processing of injection machine part chaining part, described chaining part has inboard datum level A(1), inboard datum level B(2), Z-direction datum level A(3), Z-direction datum level B(4), to be processed A(5), to be processed B(6), X-direction datum level A(7), X-direction datum level B(8), Y-direction datum level A(9), Y-direction datum level B(10), described manufacture full electric injection molding machine comprises stand A(18 with the self-centering blank fixture), stand B(21), clamp bottom board (23), stand A(18) with stand B(21) by rigging screw (22), with clamp bottom board (23), be connected, at stand A(18) and stand B(21) on be equipped with Y-direction benchmark backer (11), X-direction adjustment screw (12), X-direction pressing plate (13), Y-direction pressing plate (14), Z-direction adjustment screw (15), Y-axis supporting seat A(16), Y-axis supporting seat B(17), Z-direction backer's screw (20), is characterized in that, also has one and locate a minute middle unit (19), and a minute middle unit (19), location has chela A(24), chela axle A(25), back-moving spring (26), chela B(27), chela axle B(28), sliding shoe (29), drive screw (30), unit housings (32) in minute, wherein divide middle unit housings (32) accurately to be arranged on securely stand B(21) on, chela A(24) by chela axle A(25) centered by rotate, chela B(27) by chela axle B(28) centered by rotate, back-moving spring (26) two ends are connected to chela A(24) and chela B(27) on, sliding shoe (29) is positioned at chela A(24) and chela B(27) between and with them, be slidably matched, drive screw (30) be arranged on minute in a unit housings (32) go up and be against below sliding shoe (29).
2. manufacture full electric injection molding machine self-centering blank fixture as claimed in claim 1, is characterized in that chela A(24) and chela B(27) thering is same size, sliding shoe (29) has up-small and down-big tapering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310390732.1A CN103465066B (en) | 2013-09-02 | 2013-09-02 | A kind of manufacture full electric injection molding machine self-centering blank fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310390732.1A CN103465066B (en) | 2013-09-02 | 2013-09-02 | A kind of manufacture full electric injection molding machine self-centering blank fixture |
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| Publication Number | Publication Date |
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| CN103465066A true CN103465066A (en) | 2013-12-25 |
| CN103465066B CN103465066B (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310390732.1A Expired - Fee Related CN103465066B (en) | 2013-09-02 | 2013-09-02 | A kind of manufacture full electric injection molding machine self-centering blank fixture |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458797A (en) * | 2016-01-21 | 2016-04-06 | 深圳市艾励美特科技有限公司 | Positioning and clamping mechanism |
| CN115255993A (en) * | 2022-08-25 | 2022-11-01 | 宁夏共享机床辅机有限公司 | Clamping device and machine tool |
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| JPH07237064A (en) * | 1994-02-28 | 1995-09-12 | Nachi Fujikoshi Corp | Flexible machining jig |
| US5462294A (en) * | 1994-07-01 | 1995-10-31 | Wendhack; Kurt F. | Collet adapter for converting machine vise to an orthogonal collet fixture |
| DE102006048447A1 (en) * | 2006-10-11 | 2008-04-17 | Carl Mahr Holding Gmbh | Clamping device for measuring or testing device for supporting e.g. tool, has clamping body i.e. chuck, held non-relocatably at base body in axial direction, and locking device provided for radial compression of clamping body |
| CN201579624U (en) * | 2009-11-19 | 2010-09-15 | 龙工(上海)机械制造有限公司 | Machining clamp of platform body of digging machine |
| CN102430950A (en) * | 2011-10-28 | 2012-05-02 | 无锡倍安杰机械科技有限公司 | Self-centering blank tensioning mechanism |
| CN103223607A (en) * | 2013-05-17 | 2013-07-31 | 常州大学 | Multistep integrated connecting rod clamp |
| CN203527029U (en) * | 2013-09-02 | 2014-04-09 | 安徽涌诚机械有限公司 | Workblank self-centering clamp for manufacturing all-electric injection molding machine |
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2013
- 2013-09-02 CN CN201310390732.1A patent/CN103465066B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07237064A (en) * | 1994-02-28 | 1995-09-12 | Nachi Fujikoshi Corp | Flexible machining jig |
| US5462294A (en) * | 1994-07-01 | 1995-10-31 | Wendhack; Kurt F. | Collet adapter for converting machine vise to an orthogonal collet fixture |
| DE102006048447A1 (en) * | 2006-10-11 | 2008-04-17 | Carl Mahr Holding Gmbh | Clamping device for measuring or testing device for supporting e.g. tool, has clamping body i.e. chuck, held non-relocatably at base body in axial direction, and locking device provided for radial compression of clamping body |
| CN201579624U (en) * | 2009-11-19 | 2010-09-15 | 龙工(上海)机械制造有限公司 | Machining clamp of platform body of digging machine |
| CN102430950A (en) * | 2011-10-28 | 2012-05-02 | 无锡倍安杰机械科技有限公司 | Self-centering blank tensioning mechanism |
| CN103223607A (en) * | 2013-05-17 | 2013-07-31 | 常州大学 | Multistep integrated connecting rod clamp |
| CN203527029U (en) * | 2013-09-02 | 2014-04-09 | 安徽涌诚机械有限公司 | Workblank self-centering clamp for manufacturing all-electric injection molding machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458797A (en) * | 2016-01-21 | 2016-04-06 | 深圳市艾励美特科技有限公司 | Positioning and clamping mechanism |
| CN115255993A (en) * | 2022-08-25 | 2022-11-01 | 宁夏共享机床辅机有限公司 | Clamping device and machine tool |
| CN115255993B (en) * | 2022-08-25 | 2023-09-08 | 宁夏共享机床辅机有限公司 | Clamping device and machine tool |
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| CN103465066B (en) | 2016-01-27 |
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Granted publication date: 20160127 Termination date: 20170902 |