CN103143967B - Rapid-positioning and pneumatic-compressing universal fixture capable of slightly adjusting inclination angle - Google Patents
Rapid-positioning and pneumatic-compressing universal fixture capable of slightly adjusting inclination angle Download PDFInfo
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- CN103143967B CN103143967B CN201310075777.XA CN201310075777A CN103143967B CN 103143967 B CN103143967 B CN 103143967B CN 201310075777 A CN201310075777 A CN 201310075777A CN 103143967 B CN103143967 B CN 103143967B
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Abstract
The invention discloses a rapid-positioning and pneumatic-compressing universal fixture capable of slightly adjustable inclination angle, which comprises a bracket mounted on a workbench, wherein a box body is rotationally connected with the bracket; a flat fixture is fixed on a top plate of the box body and used for mounting a workpiece; the box body is provided with a pneumatic compressing mechanism for compressing the workpiece; and a box body angle adjustment device is arranged between the box body and the bracket. The universal fixture can rapidly position and press the workpiece when medium and small parts are machined; the inclination angle of the fixture can be adjusted; and the universal fixture has the advantages of good universality, high positioning accuracy, good self-locking property, and the like.
Description
Technical field
The present invention relates to milling machine universal fixture.
Background technology
In prior art, fraise jig adopts four schemes below usually:
A. for the Simple clamp of different angles demand with Manufacture by line cutting fixed angle;
The fixed universal fixturing of the plane parallel B. formed with lathe X, Y-axis;
The fixed universal fixturing of the plane parallel C. formed with lathe X, Z axis;
D. simple global angle fixture is combined into plate.
But category-A fixture does not have versatility---waste material; The depth of parallelism of the relative lathe X of A, B, C, D class fixture, Z axis need use dial gauge adjustment when each installation---loses time; A, B, C, D class fixture screw fit pressing plate workpiece pressing---lose time; The reference data of standard is not had during the fixture tool setting of A, B, C, D class---lose time; D class fixture is not finely tuned when adjusting angle---loses time; The qualitative difference of D class fixture angle lock---poor stability.
Summary of the invention
Technical problem to be solved by this invention is just to provide a kind of universal fixturing, in the upper machining of milling machine (machining center) during finding, can compress and adjustable inclination angle by quick position.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: fast locating pneumatic compresses inclination angle trimming regulating universal fixturing, it is characterized in that: comprise the support be installed on workbench, described support is rotationally connected a casing, the top board of described casing is fixed with flat fixture, described flat fixture is for installing workpiece, and described casing is provided with pneumatic clamping mechanism workpiece pressing, is provided with box angle adjusting device between described casing and support.
As preferably, described pneumatic clamping mechanism comprises the cylinder being installed on box inside bottom surface, and the piston rod of described cylinder connects pressing plate frame, and described pressing plate frame is vertically fixed with follower bolt, and follower bolt upper end is fixed with pressing plate.
As preferably, described pressing plate frame is also vertically fixed with top fastening bolt after pressing plate on rear side of follower bolt, and after pressing plate, top fastening bolt upper end and pressing plate are fixed.
As preferably, vertically fix a pressing plate frame guide pad in the middle part of described box inside bottom surface, described pressing plate frame is slidably arranged on pressing plate frame guide pad.
As preferably, described support comprises two pieces of collateral frame plates, and two pieces of collateral frame plates are parallel to each other and perpendicular to table plane, described table plane are fixed with base plate, and described collateral frame plate is vertically fixed on base plate.
As preferably, described box angle adjusting device comprises Box angle fine location mechanism, described Box angle fine location mechanism comprises the gear compound graduation side plate be located between box side and collateral frame plate, described gear compound graduation side plate and casing are fixed, described gear compound graduation side plate circumference is evenly equipped with a circle index hole, described collateral frame plate is provided with calibration dowel hole, and after body pivot to set angle, gear compound graduation side plate is located through calibration dowel hole and index hole by calibration alignment pin.
As preferably, described box angle adjusting device also comprises Box angle fine adjustment, described Box angle fine adjustment comprises the tooth bar be located at below gear compound graduation side plate, described tooth bar is threaded on tooth bar trimming bolt, be provided with below described tooth bar trimming bolt and tooth bar can be made to fluctuate and tooth bar is fixed on the tooth bar floating structure with gear compound graduation side plate gear engagement position, described Box angle fine adjustment is provided with the Teethed bolt lock fixed structure locked by rack position.
As preferably, described Teethed bolt lock fixed structure comprises the tooth bar rotating shaft being located at tooth bar trimming bolt one end, and described tooth bar rotating shaft is locked by lock-screw.
As preferably, described tooth bar floating structure comprises the tooth bar guide support block be located at below tooth bar, is provided with gathering sill bottom described tooth bar, and described tooth bar guide support block top is located in gathering sill, and described tooth bar guide support block bottom support is on floating roof pin.
As preferably, described base plate is provided with floating roof pin-and-hole, spring is provided with in floating roof pin-and-hole, described floating roof pin bottom is supported in spring top, be provided with lock pin groove bottom described tooth bar guide support block, tooth bar Z-direction lock pin passes side stand and inserts lock pin groove and is positioned at by tooth bar and gear compound graduation side plate gear engagement position.
The present invention, can quick position workpiece pressing in machining during finding, and adjustable fixture inclination angle.It has the following advantages:
1. versatility is good, because there is the equidistant locating hole of positioning panel (roof box), the fixture of inhomogeneity workpiece can be made the simple flat fixture that fixture therewith has accurately location, thus save and make material, Production Time, carried out the standardization of flat jig Design, and conveniently to store;
2. positioning accurate parasexuality is good, be connected (being located by connecting) between the important spare part of fixture and with there being counterpart accurately between lathe table top, conscientiously workpiece datum level (hole) and lathe table top and the depth of parallelism and the perpendicularity that drive screw mandrel (axle) can be ensured, changing the outfit the time of flat fixture can be greatly saved; The arranging of index hole can make special angle stable and accurately;
3. self-locking performance is good, thus ensure that processing safety, and yield rate is also improved greatly;
4. clamp speeds is fast, saves the clamping time of workpiece, production efficiency is improved;
5. the equidistant locating hole of positioning panel, can also save the tool setting time greatly;
6. rack and pinion separation or engage coarse adjustment and the fine setting at practicable inclination angle, can greatly save the Inclination maneuver time.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
Fig. 1 is fixture front view;
Fig. 2 is fixture top view;
Fig. 3 is fixture left view;
Fig. 4 is fixture right view.
Detailed description of the invention
Fig. 1 to Fig. 4 shows the concrete structure that the fast locating pneumatic of the present invention compresses inclination angle trimming regulating universal fixturing.It comprises the support be installed on workbench 28, described support is rotationally connected a casing, described casing comprises two blocks of side plates 8, two blocks of side plates 8 are parallel to each other, two pieces of side plate bottom are vertically fixed on cylinder base plate 18, two pieces of side plate plan vertical are fixed with top board 9, and this top board 9 is the positioning panel of flat fixture 11.
Flat fixture 11 is fixed on top board 9, and described flat fixture 11 is for installing workpiece 12.Flat fixture 11 is provided with Workpiece fixing pin 31 positioning workpieces 12.Described flat fixture 11 is positioned on the top board 9 of casing by ladder pin 10, is bolted between flat fixture 11 and roof box.
Described two pieces of side plate about 8 two ends are provided with evagination side's tenon, the two ends, left and right of described top board 9 and cylinder base plate 18 are provided with the locating notch of indent, the locating notch (mortise) at evagination side's tenon at two pieces of upper and lower two ends of side plate and top board and two ends, cylinder base plate left and right connects, then top board and cylinder base plate and side plate are fixed by bolt in Z-direction, at X to the evagination side of side plate tenon being pressed in locating notch by bolt, make between these four blocks of plates, to form a highly stable and firmly body structure.
Described casing is provided with pneumatic clamping mechanism workpiece pressing, is provided with box angle adjusting device between described casing and support.Described pneumatic clamping mechanism comprises the cylinder 17 being installed on box inside bottom surface, and the piston rod of described cylinder connects pressing plate frame 16, and described pressing plate frame 16 is vertically fixed with follower bolt 14, and follower bolt upper end is fixed with pressing plate 15.Described pressing plate frame 16 is also vertically fixed with top fastening bolt 19 after pressing plate on rear side of follower bolt, and after pressing plate, top fastening bolt upper end and pressing plate 15 are fixed.Vertically fix a pressing plate frame guide pad 13 in the middle part of described box inside bottom surface, described pressing plate frame 16 is slidably arranged on pressing plate frame guide pad 13.Described pressing plate 15 front end is ladder structure of right angle.Described cylinder 17 and pressing plate 15 are provided with two, and are symmetrically distributed in pressing plate frame guide pad 13 both sides.The end face of described pressing plate frame guide pad is supported on top board bottom surface, therefore the pressing plate frame guide pad be fixed in the middle part of casing serves the function strengthening casing intensity simultaneously, is also unlikely to cause the flexural deformation of roof box when making cylinder be in impaction state.
Described support comprises two pieces of collateral frame plates 6, two pieces of collateral frame plates 6 are parallel to each other and perpendicular to table plane, described table plane is fixed with base plate 1, the side's of being provided with tenon bottom described collateral frame plate 6, described base plate 1 is provided with square locating hole, and the square tenon of described collateral frame plate inserts the square locating hole on base plate and is vertically fixed on base plate with bolt.Described base plate is positioned in the plane of workbench 28 by X to locating piece 26, and X is located at the two ends of base plate 1 to locating piece 26, and wherein X inserts in the T-slot of table plane bottom locating piece, and X inserts in the locating hole of base plate 1 to locating piece 26 top.Described base plate 1 top is crimped with gear bits cover plate, and described gear bits cover plate is fixed by screw and base plate, and described X is provided with screwed hole to locating piece, one screw is fixed in screwed hole, screw is socketed with spring, and spring upper end apical grafting gear bits cover plate bottom surface, lower spring end apical grafting X is to locating piece end face.Described workbench 28 side is provided with water fender 30, and described water fender is bent plate, and described water fender is secured by bolts on base plate 1.
Described box angle adjusting device comprises Box angle fine location mechanism, described Box angle fine location mechanism comprises the gear compound graduation side plate 7 be located between box side 8 and collateral frame plate 6, described gear compound graduation side plate and casing are fixed, described gear compound graduation side plate 7 circumference is evenly equipped with a circle index hole, described collateral frame plate is provided with calibration dowel hole, after body pivot to set angle, gear compound graduation side plate is located through calibration dowel hole and index hole by calibration alignment pin 4, and it is fastening by fastening bolt 32 again after being located by calibration alignment pin 4 between gear compound graduation side plate 7 and collateral frame plate 6.The corresponding described index hole of described casing is provided with casing locating hole, is connected with casing alignment pin 5, is bolted after being located between described gear compound graduation side plate and casing by casing alignment pin again between described casing locating hole and index hole.A rotating shaft 3 is fixed at described gear compound graduation side plate 7 center, and on described collateral frame plate 6, corresponding described rotating shaft is provided with shaft hole, is provided with axle sleeve 2 in described shaft hole, and described rotating shaft 3 is transferred in axle sleeve 2.
Described box angle adjusting device also comprises Box angle fine adjustment, described Box angle fine adjustment comprises the tooth bar 20 be located at below gear compound graduation side plate 7, described tooth bar is threaded on tooth bar trimming bolt 21, be provided with below described tooth bar trimming bolt 21 and tooth bar 20 can be made to fluctuate and tooth bar is fixed on the tooth bar floating structure with gear compound graduation side plate gear engagement position, described Box angle fine adjustment is provided with the Teethed bolt lock fixed structure locked by rack position.Described Teethed bolt lock fixed structure comprises the tooth bar rotating shaft 23 being located at tooth bar trimming bolt one end, and tooth bar trimming bolt 21 is locked by lock-screw 22 by described tooth bar rotating shaft when needed.Described tooth bar floating structure comprises the tooth bar guide support block 24 be located at below tooth bar, is provided with gathering sill bottom described tooth bar, and described tooth bar guide support block top is located in gathering sill, and described tooth bar guide support block is located on floating roof pin 25.Described base plate is provided with floating roof pin-and-hole, spring is provided with in floating roof pin-and-hole, described floating roof pin bottom is supported in spring top, be provided with lock pin groove bottom described tooth bar guide support block, tooth bar Z-direction lock pin 27 passes collateral frame plate 6 and inserts lock pin groove and is positioned at by tooth bar 20 and gear compound graduation side plate gear engagement position.Described collateral frame plate 6 is provided with tooth bar Z-direction lock pin guide pin bushing 29, and described tooth bar Z-direction lock pin 27 is through tooth bar Z-direction lock pin guide pin bushing.Described tooth bar trimming bolt 21 one end is provided with carrying handle.Described tooth bar guide support block is ladder structure of right angle, and wherein lock pin groove is located on oblique side.
Operation principle of the present invention is described in detail in detail below:
The profile containing location side tenon or angle groove of base plate 1, collateral frame plate 6, gear compound graduation side plate 7, side plate 8, top board 9, pressing plate frame guide pad 13, cylinder base plate 18 and locating hole (notch) etc. are clamped one time Linear cut and complete, ensure that Fixture assembly complete after the depth of parallelism of top board 9 and X-axis.
Top board 9, side plate 8, cylinder base plate 18, gear compound graduation side plate 7 are interconnected into fixing " casing ", and flat fixture 11 is fixed on " casing " top board 9 exactly by ladder pin 10.
Collateral frame plate 6, axle sleeve 2, base plate 1 connect into fixing " support ", and " support " is accurately positioned on workbench 28 to locating piece 26 by X, then are pressed fixing by pressing plate." casing " forms the mechanism that can relatively rotate (≤90 ° of scopes) by rotating shaft 3 and " support ".
The adjustment at fixture inclination angle comprises gear micro-regulation and indexing mechanism accurate adjustment two kinds.
The method of gear micro-regulation is, come loose fastening bolt 32, extract calibration alignment pin 4, preliminary rotation " casing " is extremely close to required inclination angle, on lift tooth bar 20, rotate tooth bar trimming bolt 21, after rack and pinion is engaged completely, tooth bar Z-direction lock pin 27 inserts tooth bar Z-direction lock pin guide pin bushing 29 and snaps in lock pin groove, rotates tooth bar trimming bolt 21 and finely tunes to required inclination angle (± 15 ' is interior).Inclination angle is adjusted and is finished locking both sides lock-screw 22 and locked by tooth bar trimming bolt 21, then by fastening bolt 32, " casing " and " support " is locked formation one and stablized and firmly fixture entirety.
The method of indexing mechanism accurate adjustment is, after first making the calibration dowel hole of collateral frame plate aim at index hole corresponding to required inclination angle on (range estimation) " casing " gear compound graduation side plate completely by the method for gear micro-regulation, tooth bar is departed from gear, again calibration alignment pin 4 is inserted in calibration locating hole, make this mechanism formed accurately specific inclination angle (as 0 °, 30 °, 45 °, 60 °, 90 ° are waited High-precision angle required in common angle or the processing of other typical products in mass production), then " casing " and " support " locked formation one is stable by fastening bolt 32 and firmly fixture is overall.This method of adjustment, for the inclination angle of high-precision requirement, can realize the accurate adjustment that special inclination angle settles formula at one go.(according to the high request angle that producer's corresponding product is conventional, angle that can be corresponding by the index hole on gear compound graduation side plate is customized to the special angle needed for our factory.Also corresponding gear compound graduation side plate can be made for changing part when special angle is too much.)
Complete at Inclination maneuver, during cutting, workpiece 12 is connected to flat fixture 11 by Workpiece fixing pin 31, and cylinder 17 is with dynamic pressure plate 15 by workpiece 12 fast-holding or is unclamped.
Claims (1)
1. fast locating pneumatic compresses inclination angle trimming regulating universal fixturing, it is characterized in that: comprise the support be installed on workbench, described support is rotationally connected a casing, the top board of described casing is fixed with flat fixture, described flat fixture is for installing workpiece, flat fixture is provided with Workpiece fixing finger setting workpiece, described casing is provided with pneumatic clamping mechanism workpiece pressing, box angle adjusting device is provided with between described casing and support, described support comprises two pieces of collateral frame plates, two pieces of collateral frame plates are parallel to each other and perpendicular to table plane, described table plane is fixed with base plate, described collateral frame plate is vertically fixed on base plate, described box angle adjusting device comprises Box angle fine location mechanism, described Box angle fine location mechanism comprises the gear compound graduation side plate be located between box side and collateral frame plate, described gear compound graduation side plate and casing are fixed, described gear compound graduation side plate circumference is evenly equipped with a circle index hole, described collateral frame plate is provided with calibration dowel hole, after body pivot to set angle, gear compound graduation side plate is located through calibration dowel hole and index hole by calibration alignment pin, described box angle adjusting device also comprises Box angle fine adjustment, described Box angle fine adjustment comprises the tooth bar be located at below gear compound graduation side plate, described tooth bar is threaded on tooth bar trimming bolt, be provided with below described tooth bar trimming bolt and tooth bar can be made to fluctuate and tooth bar is fixed on the tooth bar floating structure with gear compound graduation side plate gear engagement position, described Box angle fine adjustment is provided with the Teethed bolt lock fixed structure locked by rack position, described tooth bar floating structure comprises the tooth bar guide support block be located at below tooth bar, gathering sill is provided with bottom described tooth bar, described tooth bar guide support block top is located in gathering sill, described tooth bar guide support block bottom support is on floating roof pin, described base plate is provided with floating roof pin-and-hole, spring is provided with in floating roof pin-and-hole, described floating roof pin bottom is supported in spring top, lock pin groove is provided with bottom described tooth bar guide support block, tooth bar Z-direction lock pin passes collateral frame plate and inserts lock pin groove and is positioned at by tooth bar and gear compound graduation side plate gear engagement position.
2. universal fixturing according to claim 1, it is characterized in that: described pneumatic clamping mechanism comprises the cylinder being installed on box inside bottom surface, the piston rod of described cylinder connects pressing plate frame, and described pressing plate frame is vertically fixed with follower bolt, and follower bolt upper end is fixed with pressing plate.
3. universal fixturing according to claim 2, is characterized in that: described pressing plate frame is also vertically fixed with top fastening bolt after pressing plate on rear side of follower bolt, and after pressing plate, top fastening bolt upper end and pressing plate are fixed.
4. universal fixturing according to claim 2, is characterized in that: vertically fix a pressing plate frame guide pad in the middle part of described box inside bottom surface, described pressing plate frame is slidably arranged on pressing plate frame guide pad.
5. universal fixturing according to claim 1, is characterized in that: described Teethed bolt lock fixed structure comprises the tooth bar rotating shaft being located at tooth bar trimming bolt one end, and described tooth bar rotating shaft is locked by lock-screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310075777.XA CN103143967B (en) | 2013-03-11 | 2013-03-11 | Rapid-positioning and pneumatic-compressing universal fixture capable of slightly adjusting inclination angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310075777.XA CN103143967B (en) | 2013-03-11 | 2013-03-11 | Rapid-positioning and pneumatic-compressing universal fixture capable of slightly adjusting inclination angle |
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| Publication Number | Publication Date |
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| CN103143967A CN103143967A (en) | 2013-06-12 |
| CN103143967B true CN103143967B (en) | 2014-12-31 |
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| CN104500673B (en) * | 2014-12-16 | 2018-01-19 | 歌尔股份有限公司 | A kind of turntable angle fine-adjustment mechanism |
| CN104816178A (en) * | 2015-05-08 | 2015-08-05 | 常州大学 | Process centralized shift fork clamp |
| CN105397527A (en) * | 2015-12-07 | 2016-03-16 | 徐州贝尔电气有限公司 | Process unit for machining lathe tool apron rack on milling machine |
| CN105666187B (en) * | 2016-04-07 | 2017-08-25 | 镇江远大传动机械有限公司 | The clamping device processed based on machining center to engaging lug internal face on weld yoke |
| CN109124309B (en) * | 2018-11-08 | 2020-09-15 | 广东华强电器集团有限公司 | Special machine for pressing and buckling movable cover plate of electric cooker |
| CN110640430A (en) * | 2019-10-30 | 2020-01-03 | 广东利元亨智能装备股份有限公司 | Assembly executing device |
| CN112059668B (en) * | 2020-08-25 | 2021-10-29 | 扬州市凯峰达物资有限公司 | Piston processing is with taut formula anchor clamps that can accurate location centre gripping |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2468654Y (en) * | 2001-03-20 | 2002-01-02 | 徐浩峰 | Clamping means used for working V shaped cylinder of automobile |
| JP4339560B2 (en) * | 2002-08-05 | 2009-10-07 | 株式会社北川鉄工所 | Indexing table |
| CN200970689Y (en) * | 2006-08-12 | 2007-11-07 | 杨秋荣 | Dividing head |
| CN201471216U (en) * | 2009-09-07 | 2010-05-19 | 北京航天控制仪器研究所 | Manual angular position adjusting device |
| CN202006825U (en) * | 2010-12-25 | 2011-10-12 | 比亚迪股份有限公司 | Gear and rack pressing structure of steering gear |
| CN201913493U (en) * | 2011-01-10 | 2011-08-03 | 无锡威孚中意齿轮有限责任公司 | Quilting reaming hole floating clamp in gear manufacture |
| CN202219408U (en) * | 2011-09-01 | 2012-05-16 | 宁波勋辉电器有限公司 | Double-arm single-acting hinge clamping mechanism of head cover work fixture |
| CN202292172U (en) * | 2011-09-08 | 2012-07-04 | 昆山恒源机械制造有限公司 | Intake stator milling cavity clamp |
| CN202278400U (en) * | 2011-10-17 | 2012-06-20 | 河南天誉动力机械有限公司 | Multi-angle turning fixture combined box of air cylinder body |
| CN203062362U (en) * | 2013-03-11 | 2013-07-17 | 钱汝玉 | Universal fixture with quick positioning, pneumatic pressing and inclination angle fine regulation functions |
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