CN107378160B - A kind of workpiece clamping mechanism automating processing wire cutting machine - Google Patents
A kind of workpiece clamping mechanism automating processing wire cutting machine Download PDFInfo
- Publication number
- CN107378160B CN107378160B CN201710772101.4A CN201710772101A CN107378160B CN 107378160 B CN107378160 B CN 107378160B CN 201710772101 A CN201710772101 A CN 201710772101A CN 107378160 B CN107378160 B CN 107378160B
- Authority
- CN
- China
- Prior art keywords
- holder
- workpiece
- collet
- pedestal
- groove
- 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.)
- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H11/00—Auxiliary apparatus or details, not otherwise provided for
- B23H11/003—Mounting of workpieces, e.g. working-tables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/02—Wire-cutting
Abstract
The invention discloses a kind of workpiece clamping mechanisms for automating processing wire cutting machine, including pedestal, pedestal is equipped with holder, pedestal and holder are equipped with circular hole, chassis interior is equipped with installation room, installation room is equipped with hydraulic cylinder, hydraulic cylinder is connected with hydraulic stem, hydraulic rod top is equipped with collet, collet and holder are mounted on abrasion-proof rubber cushion, collet and holder are equipped with several grooves, magnetic force hole is equipped in holder groove, it is fixedly installed with magnetic grain in magnetic force hole, workpiece is clamped by the contraction control collet of hydraulic stem, Quick-clamped and clamping force is reliable and stable, the rigid pressing force that the design of abrasion-proof rubber cushion is not only subject to workpiece reduces and protects workpiece, frictional force between workpiece and fixture can more increased, it will not be slided during being processed workpiece, the design of various grooves on fixture, applicability is wide, cylindrical bar is sucked by magnetic grain Cylindrical bar is set to be easier to be clamped by fixture stabilization, clamp speeds are fast, processing precise Du Genggao, and processing quality is good.
Description
Technical field
The present invention relates to automated machine apparatus field, specially a kind of Workpiece clamping for automating processing wire cutting machine
Mechanism.
Background technique
Mainly by lathe, digital control system and high frequency electric source, this three parts forms wire cutting machine.Digital control system is by single-chip microcontroller, key
Disk, frequency conversion detection system are constituted, and there is backlash compensation, linear interpolation, circular interpolation, fracture of wire the major functions such as to automatically process.Energy
Cutting material, such as high intensity, high tenacity, high rigidity, high brittleness, magnetic material, and accurate tiny and complex-shaped part.
Line cutting technology, wire cutting machine tool are just widely used in all trades and professions.One of important part as wire cutting machine
Fixture it is also particularly important.
Existing wire cutting machine fixture have the following disadvantages and problem:
(1) most of wire cutting machine fixtures many at present makes clamp workpiece, hand Screw by screwing bolts
Not only clamp speeds delay working hour to bolt slowly, and fixture be easy because bolt gets rusty, sliding teeth due to cause clamping force inadequate, clamp not
The problems such as stablizing, and if stubborn not tight enough of bolt, workpiece is easy to loosen when processing, process it is unstable, if bolt is twisted too
Tightly, it be easy to cause the damage of workpiece surface；
(2) fixture of current wire cutting machine is usually that can only press from both sides the workpiece of similar shape, than as can the block-like work of clamping plate
The fixture of part cannot clamping bar shape or tubulose workpiece, to allow the block-like work piece holder folder shaft of clamping plate just must be added with groove
Cushion block, increase labour, and cushion block is also easy to slide, and applicable surface is narrow, and groove of the fixture of clamping bar shape because placing bar
Smoother is easy to loosen because of vibration in workpiece on lathe and fixture, and workpiece processing quality is unqualified；
(3) the upper and lower clip-on fixture of wire cutting machine is when pressing from both sides cylindrical bar, because groove is generally bigger than cylindrical bar side, cylinder
Bar, which is placed on groove, is easy rolling, and when upper grip is clipped in lower collet, cylindrical bar as extruding force and change position
It sets, thus can not achieve the accurate processing and cutting to cylindrical bar, the clamping stable time is longer, and processing efficiency is low.
Summary of the invention
In order to overcome the shortcomings of that prior art, the present invention provide a kind of workpiece clamp for automating processing wire cutting machine
Tight mechanism, the contraction control collet for being by hydraulic stem tightly clamp workpiece, clamp quickly and clamping force is reliable and stable, wear-resisting rubber
The rigid pressing force that the design of rubber mat is not only subject to workpiece reduces and protects workpiece, can more make the friction between workpiece and fixture
Power increases, and will not slide during being processed workpiece, the design of various grooves on fixture, applicability is wide, is sucked by magnetic grain
Cylindrical bar makes cylindrical bar be easier to be clamped by fixture stabilization, and clamping efficiency is higher, and processing precise Du Genggao, processing quality is good, energy
The problem of effective solution background technique proposes.
The technical solution adopted by the present invention to solve the technical problems is: a kind of workpiece automating processing wire cutting machine
Clamp system, including pedestal, the base top surface two sides are fixedly installed with holder, and the base top surface and holder are equipped with circle
Hole, the chassis interior are equipped with installation room, the installation room bottom left and right side pass through mounting base be fixedly installed with it is hydraulic
Cylinder, the hydraulic cylinder are connected with hydraulic stem, and the hydraulic stem is inserted into circular hole, and the hydraulic rod top is fixedly installed with collet, institute
It states collet bottom surface and holder top surface and is mounted on abrasion-proof rubber cushion, the collet bottom surface and holder top surface are equipped with several grooves,
It is equipped with several magnetic force holes in the groove of the holder, is fixedly installed with magnetic grain in the magnetic force hole.
As a preferred technical solution of the present invention, the base end face center is equipped with square hole, the base end face two
Side is equipped with fixation hole.
As a preferred technical solution of the present invention, the circular hole of the pedestal and the circular hole location matches of holder.
As a preferred technical solution of the present invention, the normal cross-section shape of the installation room is inverted T-shaped.
As a preferred technical solution of the present invention, the hydraulic stem and horizontal plane,
As a preferred technical solution of the present invention, the collet is located at right above holder, the collet top surface and folder
Seat bottom surface is parallel to the horizontal plane.
As a preferred technical solution of the present invention, the groove of the collet is matched with the groove location of holder, described
Groove includes V-shaped groove, half slot and square groove.
As a preferred technical solution of the present invention, anti-skid chequer is equipped in the V-shaped groove, half slot and square groove.
Compared with prior art, the beneficial effects of the present invention are:
(1) present invention controls collet by the contraction of hydraulic stem and tightly clamps workpiece, clamps quickly and clamping force stabilization can
It leans on, the rigid pressing force that the abrasion-proof rubber cushion on collet and holder is not only subject to workpiece reduces and protects workpiece, can more make work
Frictional force between part and fixture increases, and will not slide during being processed workpiece, processes more stable；
(2) present invention is by the designs of various grooves on fixture, make fixture can clamping plate block, can also press from both sides rectangular shaft, cylinder
Bar or polygon bar, it is not necessary to add fixing mould, applicability is wide, and structure is simple, and in groove the design of anti-skid chequer make it is rod-shaped
Workpiece will not rotate, and clamping workpiece is stronger, and workpiece processing quality is more preferable；
(3) when cylindrical bar of the present invention is placed on the groove of holder, cylindrical bar can be sucked in magnetic grain, prevent cylindrical bar from being pressed from both sides by collet
A generation rotates and causes precision machined failure when tight, and clamping efficiency is higher, and the workpiece precision processed is higher.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is holder of the invention and collet end view drawing；
Fig. 3 is round recessed structure chart of the invention.
In figure: 1- pedestal；2- holder；3- circular hole；4- installs room；5- mounting base；6- hydraulic cylinder；7- hydraulic stem；8- collet；
9- abrasion-proof rubber cushion；10- groove；11- magnetic force hole；12- magnetic grain；13- square hole；14- fixation hole；15-V shape slot；16- half slot；
17- square groove；18- anti-skid chequer.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The explanation of following embodiment be with reference to attached drawing, can be to the specific embodiment implemented to the example present invention.
The direction and position term that the present invention is previously mentioned, for example, "upper", " in ", "lower", "front", "rear", "left", "right", "inner", "
Outside ", " side " etc. is only direction and position with reference to annexed drawings.Therefore, the direction and position term used is to illustrate
And understand the present invention, rather than to limit the present invention.
Embodiment:
As shown in Figure 1, the present invention provides a kind of workpiece clamping mechanism for automating processing wire cutting machine, including pedestal
1,1 bottom center of pedestal is equipped with square hole 13, and the clast after square hole 13 is used to cut workpiece drops on workbench, prevents
Only clast drops on pedestal 1 and causes the difficult consequence cleared up, and 1 bottom surface both side of pedestal is equipped with fixation hole 14, and fixation hole 14 has
There is internal screw thread, it can be fixed on the table by pedestal 1 by bolt precession fixation hole 14.
As shown in Figure 1, the 1 top surface two sides of pedestal are fixedly installed with holder 2,1 top surface of pedestal and holder 2 are all provided with
There are circular hole 3, the circular hole 3 of the pedestal 1 and 3 location matches of circular hole of holder 2, makes the smoothly insertion circular hole of hydraulic stem 6, hydraulic stem 6
2 top surface of holder is stretched out on head, to facilitate collet 8 in 2 surface upper and lower displacement of holder.Installation room 4 is equipped with inside the pedestal 1,
The normal cross-section shape of the installation room 4 is inverted T-shaped, makes that base top surface will not be switched to when wire cutting machine cutting workpiece, more surely
It is fixed.4 bottom left of installation room and right side pass through mounting base 5 and are fixedly installed with hydraulic cylinder 6, and the hydraulic cylinder 6 is connected with
Hydraulic stem 7, the hydraulic stem 7 are inserted into circular hole 3, the hydraulic stem 7 and horizontal plane, and hydraulic cylinder 6 drives hydraulic stem 7 to do vertically
Stretching motion on face and so that collet 8 is clamped or loosen workpiece, controlling collet 8 by the contraction of hydraulic stem 7 tightly clamps workpiece,
It clamps quickly and clamping force is reliable and stable, process more stable.
It should be added that hydraulic cylinder 6 described in above content does not do specifically limited, in the present invention, may be used also
The equipment such as the functionally similar pneumatic cylinder of hydraulic cylinder 6 are used in be controlled.
As shown in Figure 1, being fixedly installed with collet 8 at the top of the hydraulic stem 7, the collet 8 is located at right above holder 2, institute
It states 8 top surface of collet and 2 bottom surface of holder to be parallel to the horizontal plane, collet 8 is under the oppressive force of workpiece when hydraulic stem 7 rises
Drop, clamping force decline, collet 8 is gradually increasing the oppressive force of workpiece when hydraulic stem 7 declines, clamping force increases.The folder
First 8 bottom surface and 2 top surface of holder are mounted on abrasion-proof rubber cushion 9, and abrasion-proof rubber cushion 9 both ensure that clamping with a thickness of 0.2-0.8mm
Power also protects collet 8 and workpiece, and the abrasion-proof rubber cushion 9 on collet 8 and holder 2 not only makes the rigid pressing force that workpiece is subject to
Reduce and protect workpiece, the frictional force between workpiece and fixture can more increased, will not slide, add during being processed workpiece
Work process is more stable.
As shown in Figure 1, Figure 2 and Figure 3,8 bottom surface of collet and 2 top surface of holder are equipped with several grooves 10, the collet 8
Groove 10 and holder 2 10 location matches of groove, the cooperation of lower notches 10 keeps clamping force more stable, and the groove 10 includes
It is polygon diamond that V-shaped groove 15, half slot 16 and square groove 17, V-shaped groove 15 and square groove 17, which are used to fix and clamp end face,
Bar workpiece, half slot 16 are used to clamp cylinders bar workpiece, are equipped in the V-shaped groove 15, half slot 16 and square groove 17 anti-skidding
Line 18, grip friction power is bigger, and more stable after keeping rod-shaped workpiece clamped, processing quality is good.Various grooves 10 sets on fixture
Meter, make fixture can clamping plate block, can also press from both sides rectangular shaft, cylindrical bar or polygon bar, it is not necessary to add fixing mould, applicability is wide,
Structure is simple, and the design of anti-skid chequer 18 rotate rod-shaped workpiece will not in groove 10, and clamping workpiece is stronger, processes
Final product quality is more preferable.It is equipped with several magnetic force holes 11 in the groove 10 of the holder 2, is fixedly installed with magnetic grain in the magnetic force hole 11
12, when cylindrical bar is placed on the groove 10 of holder 2, cylindrical bar can be sucked in magnetic grain 12, when preventing cylindrical bar from being clamped by collet 8
Rotation and cause precision machined failure, clamping efficiency is higher, and the workpiece precision processed is higher.
When clamping workpiece of the present invention, first the both ends of workpiece are placed in the top surface or groove 10 of holder 2, it is then hydraulic
The decline of 6 task driven hydraulic stem 7 of cylinder makes collet 8 clamp workpiece, and when clamping force is enough, hydraulic cylinder 6 keeps hydraulic coupling, makes clamping force
It keeps, at this moment, wire cutting head cuts workpiece, and after cutting, hydraulic cylinder 6 drives hydraulic stem 7 to rise and collet 8 is made to unclamp work
Part removes workpiece, that is, completes the processing of workpiece.
In conclusion the main characteristic of the invention lies in that:
The present invention controls collet by the contraction of hydraulic stem and tightly clamps workpiece, clamps quickly and clamping force is reliable and stable,
Rigid pressing force that abrasion-proof rubber cushion on collet and holder is not only subject to workpiece reduces and protects workpiece, can more make workpiece with
Frictional force between fixture increases, and will not slide during being processed workpiece, processes more stable；
(2) present invention is by the designs of various grooves on fixture, make fixture can clamping plate block, can also press from both sides rectangular shaft, cylinder
Bar or polygon bar, it is not necessary to add fixing mould, applicability is wide, and structure is simple, and in groove the design of anti-skid chequer make it is rod-shaped
Workpiece will not rotate, and clamping workpiece is stronger, and workpiece processing quality is more preferable；
(3) when cylindrical bar of the present invention is placed on the groove of holder, cylindrical bar can be sucked in magnetic grain, prevent cylindrical bar from being pressed from both sides by collet
Rotation is generated when tight and causes precision machined failure, and clamping efficiency is higher, and the workpiece precision processed is higher.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (6)
1. a kind of workpiece clamping mechanism for automating processing wire cutting machine, including pedestal (1), it is characterised in that: the pedestal
(1) top surface two sides are fixedly installed with holder (2), and pedestal (1) top surface and holder (2) are equipped with circular hole (3), the pedestal
(1) internal to be equipped with installation room (4), the installation room (4) bottom left and right side pass through mounting base (5) be fixedly installed with it is hydraulic
Cylinder (6), the hydraulic cylinder (6) are connected with hydraulic stem (7), and the hydraulic stem (7) is inserted into circular hole (3), at the top of the hydraulic stem (7)
It is fixedly installed with collet (8), collet (8) bottom surface and holder (2) top surface are mounted on abrasion-proof rubber cushion (9), the collet
(8) bottom surface and holder (2) top surface are equipped with several grooves (10), and several magnetic force holes are equipped in the groove (10) of the holder (2)
(11), it is fixedly installed with magnetic grain (12) in the magnetic force hole (11), pedestal (1) bottom center is equipped with square hole (13), described
Pedestal (1) bottom surface both side is equipped with fixation hole (14), the circular hole (3) of the pedestal (1) and circular hole (3) location matches of holder (2).
2. a kind of workpiece clamping mechanism for automating processing wire cutting machine according to claim 1, it is characterised in that: institute
The normal cross-section shape for stating installation room (4) is inverted T-shaped.
3. a kind of workpiece clamping mechanism for automating processing wire cutting machine according to claim 1, it is characterised in that: institute
State hydraulic stem (7) and horizontal plane.
4. a kind of workpiece clamping mechanism for automating processing wire cutting machine according to claim 1, it is characterised in that: institute
It states collet (8) to be located at right above holder (2), collet (8) top surface and holder (2) bottom surface are parallel to the horizontal plane.
5. a kind of workpiece clamping mechanism for automating processing wire cutting machine according to claim 1, it is characterised in that: institute
The groove (10) of collet (8) and groove (10) location matches of holder (2) are stated, the groove (10) includes V-shaped groove (15), semicircle
Slot (16) and square groove (17).
6. a kind of workpiece clamping mechanism for automating processing wire cutting machine according to claim 5, it is characterised in that: institute
It states in V-shaped groove (15), half slot (16) and square groove (17) and is equipped with anti-skid chequer (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710772101.4A CN107378160B (en) | 2017-08-31 | 2017-08-31 | A kind of workpiece clamping mechanism automating processing wire cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710772101.4A CN107378160B (en) | 2017-08-31 | 2017-08-31 | A kind of workpiece clamping mechanism automating processing wire cutting machine |
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| Publication Number | Publication Date |
|---|---|
| CN107378160A CN107378160A (en) | 2017-11-24 |
| CN107378160B true CN107378160B (en) | 2019-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710772101.4A Expired - Fee Related CN107378160B (en) | 2017-08-31 | 2017-08-31 | A kind of workpiece clamping mechanism automating processing wire cutting machine |
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| CN (1) | CN107378160B (en) |
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| CN113066355A (en) * | 2021-04-14 | 2021-07-02 | 杭州大华仪器制造有限公司 | Photoelectric technology comprehensive experiment equipment and operation method thereof |
| CN114559115A (en) * | 2022-04-06 | 2022-05-31 | 宁波工程学院 | Electric spark wire-electrode cutting machine tool |
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| US5160124A (en) * | 1990-12-28 | 1992-11-03 | Kabushiki Kaisha Kosmek | Clamping apparatus for work |
| CN101176973A (en) * | 2007-10-15 | 2008-05-14 | 中国北车集团北京二七机车厂有限责任公司 | Cramping arrangement of guide block rough milling gap |
| CN201220355Y (en) * | 2008-07-14 | 2009-04-15 | 许晓华 | Mill-turn machining fixture for shaft extension keyway |
| CN204353844U (en) * | 2014-12-22 | 2015-05-27 | 六盘水恒森钢材有限公司 | A kind of novel positioning compression frock for cylindrical parts |
| CN204954428U (en) * | 2015-09-01 | 2016-01-13 | 宋国丰 | Machine parts processes fixing device |
| CN106141714A (en) * | 2015-03-24 | 2016-11-23 | 重庆昇顺科技有限公司 | A kind of novel clamp for cylindrical part processing |
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2017
- 2017-08-31 CN CN201710772101.4A patent/CN107378160B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5160124A (en) * | 1990-12-28 | 1992-11-03 | Kabushiki Kaisha Kosmek | Clamping apparatus for work |
| CN101176973A (en) * | 2007-10-15 | 2008-05-14 | 中国北车集团北京二七机车厂有限责任公司 | Cramping arrangement of guide block rough milling gap |
| CN201220355Y (en) * | 2008-07-14 | 2009-04-15 | 许晓华 | Mill-turn machining fixture for shaft extension keyway |
| CN204353844U (en) * | 2014-12-22 | 2015-05-27 | 六盘水恒森钢材有限公司 | A kind of novel positioning compression frock for cylindrical parts |
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| CN107378160A (en) | 2017-11-24 |
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Granted publication date: 20190910 Termination date: 20200831 |