CN103143960A - Box angle fine adjustment mechanism for universal fixture - Google Patents
Box angle fine adjustment mechanism for universal fixture Download PDFInfo
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- CN103143960A CN103143960A CN2013100757958A CN201310075795A CN103143960A CN 103143960 A CN103143960 A CN 103143960A CN 2013100757958 A CN2013100757958 A CN 2013100757958A CN 201310075795 A CN201310075795 A CN 201310075795A CN 103143960 A CN103143960 A CN 103143960A
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- tooth bar
- adjustment mechanism
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- plate
- angle fine
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Abstract
The invention discloses a box angle fine adjustment mechanism for a universal fixture, which comprises a support mounted on a workbench, wherein side support plates are arranged on the left side and the right side of the support; a box is rotationally connected between the two side support plates; gear indexing side plates are arranged between side plates on the two sides of the box and the side support plates; the gear indexing side plates are fixed with the box; racks are arranged below the gear indexing side plates and are threaded connection with rack fine adjustment bolts; rack floating structures capable of allowing the racks to float up and down and fixing the racks at gear engagement positions of the gear indexing side plates are arranged below the rack fine adjustment bolts; and the box angle fine adjustment mechanism is provided with a rack locking structure for locking positions of the racks. According to the mechanism, the racks are separated from or engaged with gears to achieve coarse adjustment and fine adjustment of an inclination; the adjustment accuracy is high; the adjustment is convenient; the inclination adjustment time is greatly saved; the box angle fine adjustment mechanism is good in self-locking property, so that the processing safety is ensured; and the yield is also increased greatly.
Description
Technical field
The present invention relates to milling machine universal fixture.
Background technology
In prior art, fraise jig adopts following four schemes usually:
A. for the simple and easy fixture of different angles demand with the Manufacture by line cutting fixed angle;
The fixed universal fixturing of the plane parallel that B. forms with lathe X, Y-axis;
The fixed universal fixturing of the plane parallel that C. forms with lathe X, Z axis;
D. be combined into simple global angle fixture with plate.
Yet the category-A fixture does not have versatility---the waste material; The depth of parallelism of A, B, C, the relative lathe X of D class fixture, Z axis needs to use the dial gauge adjustment when each installation---loses time; A, B, C, D class fixture are with screw fit pressing plate workpiece pressing---lose time; The reference data that there is no standard when A, B, C, the tool setting of D class fixture---lose time; D class fixture is not finely tuned when adjusting angle---loses time; D class fixture angle lock is qualitative poor---poor stability.
Summary of the invention
Technical problem to be solved by this invention just is to provide a kind of universal fixturing casing angle fine-adjustment mechanism that is applied to universal fixturing, in the upper machining of milling machine (machining center) during finding, can come by this universal fixturing casing angle fine-adjustment mechanism the inclination angle of part on alignment jig, precision is high, easy to adjust, self-locking performance is good.
for solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of universal fixturing casing angle fine-adjustment mechanism, it is characterized in that: comprise the support that is installed on workbench, the support left and right sides is provided with the side stand plate, be rotationally connected a casing between the supporting plate of described both sides, be provided with the gear compound graduation side plate between the side plate of described casing both sides and side stand plate, described gear compound graduation side plate and casing are fixed, carry out calibration location accurately by the calibration alignment pin between described gear compound graduation side plate and side stand plate, described gear compound graduation side plate below is provided with tooth bar, described tooth bar is threaded on the tooth bar trimming bolt, described tooth bar trimming bolt below is provided with and tooth bar is fluctuated and tooth bar is fixed on tooth bar floating structure with gear compound graduation side plate gear engagement position, described casing angle fine-adjustment mechanism is provided with the Teethed bolt lock fixed structure with the tooth bar locking position.
As preferably, described Teethed bolt lock fixed structure comprises the tooth bar rotating shaft of 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 piece of being located at the tooth bar below, and described tooth bar bottom is provided with gathering sill, and described tooth bar guide support piece top is located in gathering sill, and described tooth bar guide support piece is located on the floating roof pin.
As preferably, described base plate is provided with the floating roof pin-and-hole, is provided with spring in the floating roof pin-and-hole, and described floating roof pin bottom is supported in the spring top.
As preferably, described tooth bar guide support piece bottom is provided with the lock pin groove, and tooth bar Z-direction lock pin passes the side stand plate and inserts the lock pin groove tooth bar is positioned at gear engagement position with the gear compound graduation side plate.
As preferably, described tooth bar trimming bolt one end is provided with carrying handle, passes through bolted between described side stand plate and gear compound graduation side plate.
As preferably, described side stand plate is provided with tooth bar Z-direction lock pin guide pin bushing, and described tooth bar Z-direction lock pin passes tooth bar Z-direction lock pin guide pin bushing.
As preferably, described tooth bar guide support piece is ladder structure of right angle, and wherein the lock pin groove is located on oblique side.
The present invention is in machining during finding, the separation of rack and pinion or mesh coarse adjustment and the fine setting at practicable inclination angle, the adjustment precision is high, easy to adjust, the Inclination maneuver time can be saved greatly, and this casing angle fine-adjustment mechanism self-locking performance is good, thereby has guaranteed processing safety, and yield rate is also improved greatly.
Description of drawings
The invention will be further described below in conjunction with the drawings and specific embodiments:
Fig. 1 is the fixture front view;
Fig. 2 is the fixture top view;
Fig. 3 is the fixture left view;
Fig. 4 is the fixture right view.
The specific embodiment
Fig. 1 to Fig. 4 shows the concrete structure that fast locating pneumatic compresses the inclination angle trimming regulating universal fixturing, it comprises the support that is installed on workbench 28, be rotationally connected a casing on described support, described casing comprises two blocks of side plates 8, two blocks of side plates 8 are parallel to each other, two side plate bottom vertical are fixed on cylinder base plate 18, and two side plate tops vertically 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 used for installing workpiece 12.Flat fixture 11 is provided with workpiece alignment pin 31 positioning workpieces 12.Described flat fixture 11 is positioned by ladder pin 10 to be bolted between flat fixture 11 and roof box on the top board 9 of casing.
Described two blocks of side plates are provided with evagination side's tenon in two ends Shang Xia 8, the two ends, left and right of described top board 9 and cylinder base plate 18 are provided with the locating notch of indent, evagination side's tenon at two ends, two side plate up and down and the locating notch (mortise) at top board and two ends, cylinder base plate left and right connect, then top board and cylinder base plate and side plate are fixed by bolt in Z-direction, be pressed in locating notch by the evagination side tenon of bolt with side plate in X-direction, make between these four blocks of plates to form a highly stable and body structure firmly.
Described casing is provided with pneumatic clamping mechanism workpiece pressing, is provided with the casing angle regulator between described casing and support.Described pneumatic clamping mechanism comprises the cylinder 17 that is installed on the box inside bottom surface, and the piston rod of described cylinder connects pressing plate frame 16, vertically is fixed with follower bolt 14 on described pressing plate frame 16, and the follower bolt upper end is fixed with pressing plate 15.Described pressing plate frame 16 is top fastening bolt 19 after the follower bolt rear side also vertically is fixed with pressing plate, and after pressing plate, top fastening bolt upper end and pressing plate 15 are fixing.A pressing plate frame guide pad 13 is vertically fixed at middle part, described box inside bottom surface, and described pressing plate frame 16 is slidably arranged on pressing plate frame guide pad 13.Described pressing plate 15 front ends are 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 the top board bottom surface, has played simultaneously therefore be fixed on the pressing plate frame guide pad at casing middle part the function that strengthens casing intensity, also is unlikely to cause the flexural deformation of roof box when making cylinder be in impaction state.
Described support comprises two blocks of side stand plates 6, two blocks of side stand plates 6 are parallel to each other and perpendicular to table plane, be fixed with base plate 1 on described table plane, described side stand plate 6 side of being provided with, bottom tenons, described base plate 1 is provided with square locating hole, and the square tenon of described side stand plate inserts the square locating hole on base plate and vertically is fixed on base plate with bolt.Described base plate is positioned by X-direction locating piece 26 on the plane of workbench 28, and X-direction locating piece 26 is located at the two ends of base plate 1, and wherein insert in the T-slot of table plane X-direction locating piece bottom, in the locating hole of X-direction locating piece 26 tops insertion base plates 1.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-direction locating piece is provided with screwed hole, one screw is fixed in screwed hole, be socketed with spring on screw, spring upper end apical grafting gear bits cover plate bottom surface, spring lower end apical grafting X-direction locating piece end face.Described workbench 28 1 sides are provided with water fender 30, and described water fender is bent plate, and described water fender is bolted on base plate 1.
described casing angle regulator comprises casing angle precise locating mechanism, described casing angle precise locating mechanism comprises the gear compound graduation side plate 7 of being located between box side 8 and side stand plate 6, described gear compound graduation side plate and casing are fixed, described gear compound graduation side plate 7 circumferentially is evenly equipped with a circle index hole, described side stand plate is provided with the calibration dowel hole, after casing turns to set angle, calibration alignment pin 4 passes the calibration dowel hole and index hole is located the gear compound graduation side plate, and it is fastening by fastening bolt 32 again after locating by calibration alignment pin 4 between gear compound graduation side plate 7 and side stand plate 6.The corresponding described index hole of described casing is provided with the casing locating hole, is connected with casing alignment pin 5 between described casing locating hole and index hole, is bolted after locating by the casing alignment pin between described gear compound graduation side plate and casing again.A rotating shaft 3 is fixed at described gear compound graduation side plate 7 centers, and on described side stand 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 casing angle regulator also comprises the casing angle fine-adjustment mechanism, described casing angle fine-adjustment mechanism comprises the tooth bar 20 of being located at gear compound graduation side plate 7 belows, described tooth bar is threaded on tooth bar trimming bolt 21, described tooth bar trimming bolt 21 belows are provided with and tooth bar 20 are fluctuated and tooth bar is fixed on tooth bar floating structure with gear compound graduation side plate gear engagement position, and described casing angle fine-adjustment mechanism is provided with the Teethed bolt lock fixed structure with the tooth bar locking position.Described Teethed bolt lock fixed structure comprises the tooth bar rotating shaft 23 of being located at tooth bar trimming bolt one end, and described tooth bar rotating shaft is locked tooth bar trimming bolt 21 when needed by lock-screw 22.Described tooth bar floating structure comprises the tooth bar guide support piece 24 of being located at tooth bar below, and described tooth bar bottom is provided with gathering sill, and described tooth bar guide support piece top is located in gathering sill, and described tooth bar guide support piece is located on floating roof pin 25.Described base plate is provided with the floating roof pin-and-hole, be provided with spring in the floating roof pin-and-hole, described floating roof pin bottom is supported in the spring top, described tooth bar guide support piece bottom is provided with the lock pin groove, and tooth bar Z-direction lock pin 27 passes side stand plate 6 and inserts the lock pin groove tooth bar 20 is positioned at and gear compound graduation side plate gear engagement position.Described side stand plate 6 is provided with tooth bar Z-direction lock pin guide pin bushing 29, and described tooth bar Z-direction lock pin 27 passes tooth bar Z-direction lock pin guide pin bushing.Described tooth bar trimming bolt 21 1 ends are provided with carrying handle.Described tooth bar guide support piece is ladder structure of right angle, and wherein the lock pin groove is located on oblique side.
The below describes operation principle of the present invention in detail:
The profile that contains location side's tenon or angle groove of base plate 1, side stand 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 line cutting and complete, guaranteed 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.
The adjusting at fixture inclination angle comprises two kinds of gear micro-regulation and indexing mechanism accurate adjustments.
The method of gear micro-regulation is, fastening bolt 32 comes loose, extract calibration alignment pin 4, preliminary rotate " casing " is extremely near required inclination angle, on lift tooth bar 20, rotate tooth bar trimming bolt 21, after rack and pinion is meshed fully, tooth bar Z-direction lock pin 27 inserts tooth bar Z-direction lock pin guide pin bushings 29 and also snaps in the lock pin groove, rotates 21 fine settings of tooth bar trimming bolt to required inclination angle (± 15 ' interior).Locking both sides lock-screw 22 transfer to be finished with 21 lockings of tooth bar trimming bolt in the inclination angle, then will " casing " forms a stable and fixture integral body firmly with " support " locking by fastening bolt 32.
the method of indexing mechanism accurate adjustment is, after first making the calibration dowel hole of side stand plate aim at index hole corresponding to required inclination angle on (range estimation) " casing " gear compound graduation side plate fully with the method for gear micro-regulation, tooth bar is broken away from gear, again calibration alignment pin 4 is inserted in the calibration locating hole, make this mechanism form accurately specific inclination angle (as 0 °, 30 °, 45 °, 60 °, 90 ° are waited required high accuracy angle in common angle or the processing of other typical products in mass production), then will " casing " form a stable and fixture integral body firmly with " support " locking by fastening bolt 32.This method of adjustment can realize that for the inclination angle of high-precision requirement special inclination angle settles the accurate adjustment of formula at one go.(according to producer's corresponding product high request angle commonly used, the index hole on the gear compound graduation side plate can be customized to the required special angle in our factory at corresponding angle.In the situation that the too much standby part that changes of corresponding gear compound graduation side plate of also can making of special angle.）
Complete at Inclination maneuver, during cutting, workpiece 12 is connected to flat fixture 11 by workpiece alignment pin 31, and cylinder 17 is with dynamic pressure plates 15 with workpiece 12 fast-holdings or is unclamped.
Claims (8)
1. universal fixturing casing angle fine-adjustment mechanism, it is characterized in that: comprise the support that is installed on workbench, the support left and right sides is provided with the side stand plate, be rotationally connected a casing between the supporting plate of described both sides, be provided with the gear compound graduation side plate between the side plate of described casing both sides and side stand plate, described gear compound graduation side plate and casing are fixed, carry out calibration location accurately by the calibration alignment pin between described gear compound graduation side plate and side stand plate, described gear compound graduation side plate below is provided with tooth bar, described tooth bar is threaded on the tooth bar trimming bolt, described tooth bar trimming bolt below is provided with and tooth bar is fluctuated and tooth bar is fixed on tooth bar floating structure with gear compound graduation side plate gear engagement position, described casing angle fine-adjustment mechanism is provided with the Teethed bolt lock fixed structure with the tooth bar locking position.
2. casing angle fine-adjustment mechanism according to claim 1, it is characterized in that: described Teethed bolt lock fixed structure comprises the tooth bar rotating shaft of being located at tooth bar trimming bolt one end, described tooth bar rotating shaft is locked by lock-screw.
3. casing angle fine-adjustment mechanism according to claim 2, it is characterized in that: described tooth bar floating structure comprises the tooth bar guide support piece of being located at the tooth bar below, described tooth bar bottom is provided with gathering sill, described tooth bar guide support piece top is located in gathering sill, and described tooth bar guide support piece is located on the floating roof pin.
4. casing angle fine-adjustment mechanism according to claim 3, it is characterized in that: described base plate is provided with the floating roof pin-and-hole, is provided with spring in the floating roof pin-and-hole, and described floating roof pin bottom is supported in the spring top.
5. casing angle fine-adjustment mechanism according to claim 4, it is characterized in that: described tooth bar guide support piece bottom is provided with the lock pin groove, and tooth bar Z-direction lock pin passes the side stand plate and inserts the lock pin groove tooth bar is positioned at gear engagement position with the gear compound graduation side plate.
6. casing angle fine-adjustment mechanism according to claim 5, it is characterized in that: described tooth bar trimming bolt one end is provided with carrying handle, passes through bolted between described side stand plate and gear compound graduation side plate.
7. casing angle fine-adjustment mechanism according to claim 6, it is characterized in that: described side stand plate is provided with tooth bar Z-direction lock pin guide pin bushing, and described tooth bar Z-direction lock pin passes tooth bar Z-direction lock pin guide pin bushing.
8. casing angle fine-adjustment mechanism according to claim 6, it is characterized in that: described tooth bar guide support piece is ladder structure of right angle, and wherein the lock pin groove is located on oblique side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100757958A CN103143960A (en) | 2013-03-11 | 2013-03-11 | Box angle fine adjustment mechanism for universal fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100757958A CN103143960A (en) | 2013-03-11 | 2013-03-11 | Box angle fine adjustment mechanism for universal fixture |
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| Publication Number | Publication Date |
|---|---|
| CN103143960A true CN103143960A (en) | 2013-06-12 |
Family
ID=48542424
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100757958A Pending CN103143960A (en) | 2013-03-11 | 2013-03-11 | Box angle fine adjustment mechanism for universal fixture |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105150027A (en) * | 2015-10-19 | 2015-12-16 | 天津中西数控技术有限公司 | Corner indexing clamping device for four-axis machining center |
| CN106670695A (en) * | 2016-12-20 | 2017-05-17 | 无锡明珠增压器制造有限公司 | Angle fine-adjustment mechanism |
| CN108637990A (en) * | 2018-06-26 | 2018-10-12 | 广东广航科技有限公司 | One kind can index runing rest |
| CN112536491A (en) * | 2020-11-23 | 2021-03-23 | 北京迪蒙斯巴克科技有限公司 | Cluster electrode electric spark machining device |
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| US4680981A (en) * | 1984-02-27 | 1987-07-21 | Trw Cam Gears Limited | Rack and pinion gear and a method of assembling such a gear |
| JPH08300243A (en) * | 1995-04-28 | 1996-11-19 | Howa Mach Ltd | Index unit |
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| 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 |
| CN102366906A (en) * | 2011-08-19 | 2012-03-07 | 王吴光 | Manual mechanism for accurately adjusting angle |
| 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 |
| CN203125195U (en) * | 2013-03-11 | 2013-08-14 | 钱汝玉 | Box angle fine adjustment mechanism of universal fixture |
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2013
- 2013-03-11 CN CN2013100757958A patent/CN103143960A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2953947A (en) * | 1959-09-24 | 1960-09-27 | Lithibar Company | Mechanical device |
| US4680981A (en) * | 1984-02-27 | 1987-07-21 | Trw Cam Gears Limited | Rack and pinion gear and a method of assembling such a gear |
| JPH08300243A (en) * | 1995-04-28 | 1996-11-19 | Howa Mach Ltd | Index unit |
| CN1259880A (en) * | 1997-02-24 | 2000-07-12 | 实时媒体公司 | Internet scratch-off game |
| CN101733666A (en) * | 2010-01-08 | 2010-06-16 | 镇江中船设备有限公司 | Tool for machining diesel engine cylinder head hole |
| 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 |
| CN102366906A (en) * | 2011-08-19 | 2012-03-07 | 王吴光 | Manual mechanism for accurately adjusting angle |
| 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 |
| CN203125195U (en) * | 2013-03-11 | 2013-08-14 | 钱汝玉 | Box angle fine adjustment mechanism of universal fixture |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105150027A (en) * | 2015-10-19 | 2015-12-16 | 天津中西数控技术有限公司 | Corner indexing clamping device for four-axis machining center |
| CN106670695A (en) * | 2016-12-20 | 2017-05-17 | 无锡明珠增压器制造有限公司 | Angle fine-adjustment mechanism |
| CN108637990A (en) * | 2018-06-26 | 2018-10-12 | 广东广航科技有限公司 | One kind can index runing rest |
| CN112536491A (en) * | 2020-11-23 | 2021-03-23 | 北京迪蒙斯巴克科技有限公司 | Cluster electrode electric spark machining device |
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Application publication date: 20130612 |