CN105290838A - Special tool for processing end surface of bearing cover - Google Patents
Special tool for processing end surface of bearing cover Download PDFInfo
- Publication number
- CN105290838A CN105290838A CN201510831960.7A CN201510831960A CN105290838A CN 105290838 A CN105290838 A CN 105290838A CN 201510831960 A CN201510831960 A CN 201510831960A CN 105290838 A CN105290838 A CN 105290838A
- Authority
- CN
- China
- Prior art keywords
- die holder
- rotary module
- central stud
- support cap
- installing hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
Abstract
The invention provides a special tool for processing the end surface of a bearing cover. The special tool comprises a die holder, wherein the upper end surface of the die holder is connected with a rotating module, and the periphery of the bottom end of a pin shaft positioned in the rotating module is orderly sleeved with a plane bearing and a belleville spring; the bottom end of the pin shaft penetrates through the die holder to be connected with a locknut; the rotating module rotates round the pin shaft on the die holder and is positioned with the die holder through a positioning bolt; the upper end of the rotating module is connected with a central stud, the central stud is movably sleeved with a backing plate and a pressing plate, and a flanged nut is arranged at the top end of the central stud; a positioning column used for positioning the outer wall of the rotating module is clamped on the die holder positioned outside the rotating module. The special tool adopts the 180 degrees of rotation of the rotating module to meet the processing of the two parallel surfaces of the bearing cover, therefore realizing the purpose that one-time clamping meets the processing of two working procedures, greatly improving the processing efficiency and precision, and avoiding a repetitive position error.
Description
Technical field
The invention belongs to field of machining, being specifically related to a kind of special tooling for processing support cap end face.
Background technology
Support cap fork truck is breathed out for the upper end of installing the frame support of drive axle not cover, support cap and frame support are all semi-circular shapes, first by screw, drive axle is fixed on frame support, again by assembling support cap, support cap and frame support just synthesize a full circle and embrace the axle journal of drive axle.
Upper and lower end face Milling Process operation on horizontal boring machine of current support cap, it needs first on a secondary mould, to process one side, then the secondary clamping in the second secondary frock that turns around reprocesses its other one side, irregular due to secondary clamping operate miss and cast member blank, as surface irregularity, distortion, pattern draft etc., cause the two sides that mills out not parallel, error amount is at about 0.2-0.3.Because be the positioning reference plane as subsequent handling after the milling of the upper and lower end face of support cap, if the end face after milling has error, then the hole got out in drilling operating can be caused to occur about deflection 2mm; Can produce the deflection in hole in boring car macropore operation, one side is little greatly to cause breathing out not hole, and difference range, at 0.2-0.4, finally causes support cap not reach drawing requirement.
In addition, the processing tool need two mold alternations that this kind of milling operation adopts, complex operation, labour intensity are large, production efficiency is low; And support cap needs secondary clamping, repetitive positioning accuracy is low, easily produces mismachining tolerance; Use the location, baseplane of blank, low precision, is easily subject to the impact of blank quality.So at present in order to enhance productivity, improve machining accuracy, need to redesign frock clamp.
Summary of the invention
In order to solve above-mentioned Problems existing, the invention provides a kind of special tooling for processing support cap end face, realizing the upper and lower end face of clamped one time processing support cap, reducing the impact of resetting error, reduce labour intensity, and improve crudy by reducing blank bottom surface contact surface.
Technical scheme of the present invention is: a kind of special tooling for processing support cap end face, comprise die holder, the upper surface of described die holder is connected with rotary module by bearing pin, and the bearing pin bottom periphery being positioned at rotary module inside is arranged with plane bearing and butterfly spring successively; The bottom of described bearing pin is run through die holder and is connected with locking nut; Described rotary module rotates on die holder around bearing pin, and is positioned by fastening screw and die holder; Described rotary module upper end is connected with central stud, and on described central stud, movable sleeve is provided with backing plate and pressing plate, and the top of central stud is provided with band shoulder nut; Be positioned at the locating dowel die holder outside rotary module is arranged with for positioning rotary module outer wall.
Further scheme, described locking nut is installed with handle.
Further scheme, the bottom of described central stud is threaded with rotary module, and the top of central stud is takeed on nut with band and is threaded.
Further scheme, described die holder top board offers bearing pin installing hole, spacer pin installing hole, locating dowel installing hole and fastening screw installing hole.
Further scheme, is equipped with lining in described bearing pin installing hole, locating dowel installing hole and fastening screw installing hole.
Further scheme, described rotary module is cross, and offer the pin shaft hole matched with bearing pin in the middle of it, the pin shaft hole periphery be positioned at bottom rotary module offers the erecting bed for mounting plane bearing and butterfly spring; Be positioned at the fastening screw hole offered below pin shaft hole for wearing fastening screw; Rotary module bottom offers a semicircle stopper slot, and rotary module top offers the screwed hole for mounting center stud.
Further scheme, described die holder is installed with the spacer pin matched with described stopper slot, and described rotary module coordinates rotation 180 degree by stopper slot with spacer pin.
Further scheme, described backing plate comprises plate body, and offer the draw-in groove for sheathed central stud in the middle of described plate body, the corner place on the upper and lower surface of plate body is all installed with boss.
In this frock, the thickness of rotary template guarantees that cutter has safe withdrawing space after machining.
The snap collar structure that bearing pin is given prominence to by its head is buckled in the pin shaft hole of rotary module, to be coordinated with the spacer pin on die holder by rotary module upper limit position groove and rotate, re-using fastening screw is positioned on die holder by rotary module, fix the revolution free degree of rotary module, screwing then by below locking nut, the related rotary module of bearing pin can be pulled to move down, be applied on disk spring by the plane bearing of rotary module inside, spring compressive deformation, eliminate the 0.5mm gap between rotary module and die holder, thus make rotary module to be compacted on die holder in plane.And when locking nut unclamps, under the elastic force effect of butterfly spring, whole rotary module floating 0.5mm, pulls up fastening screw, manual rotation's rotary module, owing to having plane bearing in rotary module, makes it rotate free and relaxed.
Due to the spacer pin on rotary module upper limit position groove and die holder with the use of, thus the revolution range defining rotary module is 180 °, and by fastening screw, position is fixed to rotary module, ensure that the rotary module after revolution can not offset in locking process and process.
When this frock uses, after first rotary module being rotated to position to be processed around bearing pin, rotary module is positioned on die holder by fastening screw.Rotated the locking nut of bottom by handle, locked drop-down for rotary module by bearing pin; Then supporting cover is placed on rotary template, by locating dowel, supporting cover both ends of the surface and a side is positioned; Backing plate, back-up block and backing plate is added again, totally three above supporting cover; Finally add pressing plate 7, and screw the band shoulder nut on central stud top, by pressing plate, supporting cover and backing plate are fastened.With milling cutter, Milling Process is carried out to the both ends of the surface of supporting cover after taking out locating dowel.After completion of processing, unclamp lower end locking nut, and pull up fastening screw, by rotary template reversed turning 180 degree, then insert fastening screw, and again lock the locking nut of lower end, carry out Milling Process by the parallel both ends of the surface of milling cutter to supporting cover.After completion of processing, unclamp the band shoulder nut on central stud top, take off the supporting cover machined.
This frock can cycling, to reduce the operation of return, raises the efficiency.
The present invention has the advantage of following aspect compared with prior art products
1, this frock improves operating efficiency, reduces labour intensity, and two pairs of frocks before adopting a secondary frock to substitute, have saved a large amount of loading and unloading time and frock regulation time.
2, improvement is made to part blank location, follow metalworking technological principle, avoid part blank face to serve as positioning reference plane twice, realize clamped one time and meet two procedures processing, greatly improve machining accuracy, avoid resetting error.
3, using existing blank bottom surface as datum plane, the modes of three superpositions change into use cushion block between blanks, by a few point cantact, reduce the impact of the factors such as spray air spots, distortion, pattern draft on processing.180 of rotary module are adopted to rotate the processing meeting supporting cover two parallel surface.
4, adopt the boss on backing plate to carry out plane positioning to supporting cover, reduce the contact area between supporting cover blank and backing plate, reduce blank shape to the impact of machining accuracy, thus the error that minimizing basal plane defects causes.
5, utilize the spacer pin on rotary module upper limit position groove and die holder with the use of, make locating module in the region that stopper slot and spacer pin limit, carry out 180 degree of rotations.
6, utilize fastening screw to position rotary module, namely ensure running accuracy, can prevent again in process, walking about of template.
7, being combined of butterfly spring and plane bearing, make rotary module under loosening state slightly lifting in the upper surface of die holder, reduce the contact surface of itself and die holder upper surface, reduce the frictional force that rotary module is wanted in turning course, thus reduction manipulation strength.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in further detail:
Fig. 1 is structural perspective of the present invention;
Fig. 2 is structural front view of the present invention;
Fig. 3 is the schematic diagram of the present invention when assembling support cap.
Fig. 4 is the structural representation of die holder in the present invention;
Fig. 5 is the face upwarding stereogram of rotary module in the present invention;
Fig. 6 is the top view of rotary module in the present invention;
Fig. 7 is the structural representation of backing plate in the present invention.
In figure: 1-die holder, 1-1 bearing pin installing hole, 1-2 spacer pin installing hole, 1-3 locating dowel installing hole, 1-4 fastening screw installing hole; 2-rotary module, 2-1 stopper slot, 2-2 pin shaft hole, 2-3 fastening screw hole, 2-4 erecting bed, 2-5 screwed hole; 3-spacer pin, 4-locating dowel, 5-backing plate, 5-1 draw-in groove, 5-2 boss, 5-3 plate body; 6-central stud, 7-pressing plate, 8-band shoulder nut, 9-fastening screw, 10-bearing pin, 11-plane bearing, 12-butterfly spring, 13-lining, 14-supporting cover, 15-locking nut, 16-handle.
Detailed description of the invention
As shown in Figure 1, 2, 3, a kind of special tooling for processing support cap end face, comprise die holder 1, the upper surface of described die holder 1 is connected with rotary module 2 by bearing pin 10, and bearing pin 10 bottom periphery being positioned at rotary module 2 inside is arranged with plane bearing 11 and butterfly spring 12 successively; The bottom of described bearing pin 10 is run through die holder 1 and is connected with locking nut 15; Described rotary module 2 rotates on die holder 1 around bearing pin 10, and is positioned by fastening screw 9 and die holder 1; Described rotary module 2 upper end is connected with central stud 6, and on described central stud 6, movable sleeve is provided with backing plate 5 and pressing plate 7, and the top of central stud 6 is provided with band shoulder nut 8; Be positioned at the locating dowel 4 die holder 1 outside rotary module 2 is arranged with for positioning rotary module 2 outer wall.
Further scheme, described locking nut 15 is installed with handle 16.
Further scheme, the bottom of described central stud 6 is threaded with rotary module 2, and the top of central stud 6 is takeed on nut 8 with band and is threaded.
As shown in Figure 4, die holder 1 top board offers bearing pin installing hole 1-1, spacer pin installing hole 1-2, locating dowel installing hole 1-3 and fastening screw installing hole 1-4.
Further scheme, is equipped with lining 13 in described bearing pin installing hole 1-1, locating dowel installing hole 1-3 and fastening screw installing hole 1-4, and lining 13 adds bearing pin, locating dowel and the fastening screw plug number of times on die holder, improves the service life of this frock.
Further scheme, described die holder 1 is installed with the spacer pin 3 matched with described stopper slot 2-1, described rotary module 2 coordinates rotation 180 degree by stopper slot 2-1 with spacer pin 3.
As shown in Figure 5,6, rotary module 2 is in cross, and offer the pin shaft hole 2-2 matched with bearing pin 10 in the middle of it, the pin shaft hole 2-2 periphery be positioned at bottom rotary module 2 offers the erecting bed 2-4 for mounting plane bearing 11 and butterfly spring 12; Be positioned at the fastening screw hole 2-3 offered below pin shaft hole 2-2 for wearing fastening screw 9; Rotary module 2 bottom offers a semicircle stopper slot 2-1, and rotary module 2 top offers the screwed hole 2-5 for mounting center stud 6.
As shown in Figure 7, backing plate 5 comprises plate body 5-3, and offer the draw-in groove 5-1 for sheathed central stud 6 in the middle of described plate body 5-3, the corner place on the upper and lower surface of plate body 5-3 is all installed with boss 5-2.Make backing plate 5 change into 4 facets with the contact surface between supporting cover by large plane contact to contact, to reduce the contact area of itself and support cap cast blank face, the i.e. effective impact reducing location faced by spray, thus the error that minimizing basal plane defects causes.
As shown in Figure 3, the use procedure of this frock is as follows:
First spacer pin 3 is arranged in the spacer pin installing hole 1-2 on die holder 1, bearing pin 10 is penetrated in the pin shaft hole 2-2 on rotary module 2, the top of bearing pin 10 is buckled in pin shaft hole 2-2, loads plane bearing 11 and butterfly spring 12 in the erecting bed 2-4 in pin shaft hole 2-2 successively; The bottom of bearing pin 10 is threaded connection with locking nut 15 through after the bearing pin installing hole 1-1 on die holder 1.Again the bottom of central stud 6 is threaded connection in the 2-5 screwed hole on rotary module 2;
Rotary module 2 is rotated around bearing pin 10, and after coordinating with spacer pin 3 turn to position to be processed by stopper slot 2-1, fastening screw 9 is inserted the fastening screw hole 2-3 on rotary module 2 and die holder 1 fastening screw installing hole 1-4, thus rotary module 2 is positioned on die holder 1;
Rotated the locking nut 15 of bottom by handle 16, locked drop-down for rotary module 2 by bearing pin 10; Then supporting cover 14 is placed on rotary template 2, locating dowel 4 is inserted in the locating dowel installing hole 1-3 on die holder 1, supporting cover 14 both ends of the surface and a side are positioned; Above supporting cover 14, add backing plate 5, the draw-in groove 5-1 of backing plate 5 is fastened on central stud 6, then repeat to put into back-up block and backing plate, totally three; Finally add pressing plate 7 on its top, and screw the band shoulder nut 8 on central stud 6 top, by pressing plate 7, supporting cover 14 and backing plate 5 are fastened;
Take out the locating dowel 4 of supporting cover 14 both ends of the surface and side, with milling cutter, Milling Process is carried out to the both ends of the surface of supporting cover 14;
After the completion of processing of lid 14 two sides to be supported, unclamp lower end locking nut 15, and pull up fastening screw 9, by rotary module 2 reversed turning 180 degree, insert fastening screw 9 again, and again lock the locking nut 15 of lower end, carry out Milling Process by the parallel both ends of the surface of milling cutter to supporting cover 14.
After completion of processing, unclamp the band shoulder nut 8 on central stud 6 top, after taking off pressing plate 7, then take out the supporting cover 14 machined.
Above embodiment is not limited only to protection scope of the present invention, all modify based on basic thought of the present invention or change all belong to protection scope of the present invention.
Claims (8)
1. one kind for processing the special tooling of support cap end face, it is characterized in that: comprise die holder (1), the upper surface of described die holder (1) is connected with rotary module (2) by bearing pin (10), and bearing pin (10) bottom periphery being positioned at rotary module (2) inner is arranged with plane bearing (11) and butterfly spring (12) successively; The bottom of described bearing pin (10) is run through die holder (1) and is connected with locking nut (15); Described rotary module (2) above rotates at die holder (1) around bearing pin (10), and is positioned by fastening screw (9) and die holder (1); Described rotary module (2) upper end is connected with central stud (6), and the upper movable sleeve of described central stud (6) is provided with backing plate (5) and pressing plate (7), and the top of central stud (6) is provided with band shoulder nut (8); The die holder (1) being positioned at rotary module (2) outside is arranged with locating dowel (4) for positioning rotary module (2) outer wall.
2. a kind of special tooling for processing support cap end face according to claim 1, is characterized in that: described locking nut (15) is installed with handle (16).
3. a kind of special tooling for processing support cap end face according to claim 1, it is characterized in that: the bottom of described central stud (6) is threaded with rotary module (2), the top of central stud (6) is takeed on nut (8) with band and is threaded.
4. a kind of special tooling for processing support cap end face according to claim 1, is characterized in that: described die holder (1) top board offers bearing pin installing hole (1-1), spacer pin installing hole (1-2), locating dowel installing hole (1-3) and fastening screw installing hole (1-4).
5. a kind of special tooling for processing support cap end face according to claim 4, is characterized in that: be equipped with lining (13) in described bearing pin installing hole (1-1), locating dowel installing hole (1-3) and fastening screw installing hole (1-4).
6. a kind of special tooling for processing support cap end face according to claim 1, it is characterized in that: described rotary module (2) is in cross, offer the pin shaft hole (2-2) matched with bearing pin (10) in the middle of it, pin shaft hole (2-2) periphery be positioned at bottom rotary module (2) offers the erecting bed (2-4) for mounting plane bearing (11) and butterfly spring (12); Be positioned at pin shaft hole (2-2) below and offer fastening screw hole (2-3) for wearing fastening screw (9); Rotary module (2) bottom offers a semicircle stopper slot (2-1), and rotary module (2) top offers the screwed hole (2-5) for mounting center stud (6).
7. a kind of special tooling for processing support cap end face according to claim 6, it is characterized in that: described die holder (1) is installed with the spacer pin (3) matched with described stopper slot (2-1), described rotary module (2) coordinates rotation 180 degree by stopper slot (2-1) with spacer pin (3).
8. a kind of special tooling for processing support cap end face according to claim 1, it is characterized in that: described backing plate (5) comprises plate body (5-3), offer the draw-in groove (5-1) for sheathed central stud (6) in the middle of described plate body (5-3), the corner place on plate body (5-3) upper and lower surface is all installed with boss (5-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510831960.7A CN105290838B (en) | 2015-11-25 | 2015-11-25 | A kind of special tooling for being used to process support cap end face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510831960.7A CN105290838B (en) | 2015-11-25 | 2015-11-25 | A kind of special tooling for being used to process support cap end face |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105290838A true CN105290838A (en) | 2016-02-03 |
| CN105290838B CN105290838B (en) | 2018-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510831960.7A Active CN105290838B (en) | 2015-11-25 | 2015-11-25 | A kind of special tooling for being used to process support cap end face |
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| CN (1) | CN105290838B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106685666A (en) * | 2017-02-04 | 2017-05-17 | 联想(北京)有限公司 | Robot communication method and robot |
| CN108453297A (en) * | 2017-12-28 | 2018-08-28 | 中核北方核燃料元件有限公司 | A kind of fuel assembly compresses the milling method of flat spring |
| CN112276359A (en) * | 2020-11-04 | 2021-01-29 | 连云港冠钰精密工业有限公司 | Fixing clamp for valve assembly welding and product inspection method |
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| CN204381565U (en) * | 2015-01-08 | 2015-06-10 | 西安科技大学 | A kind of heavy scraper conveyor sprocket wheel milling fixture |
| CN205147874U (en) * | 2015-11-25 | 2016-04-13 | 安徽合力股份有限公司 | A special frock for processing support and cover terminal surface |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106685666A (en) * | 2017-02-04 | 2017-05-17 | 联想(北京)有限公司 | Robot communication method and robot |
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| CN108453297B (en) * | 2017-12-28 | 2019-11-22 | 中核北方核燃料元件有限公司 | A kind of fuel assembly compresses the milling method of flat spring |
| CN112276359A (en) * | 2020-11-04 | 2021-01-29 | 连云港冠钰精密工业有限公司 | Fixing clamp for valve assembly welding and product inspection method |
| CN112276359B (en) * | 2020-11-04 | 2022-04-15 | 连云港冠钰精密工业有限公司 | Fixing clamp for valve assembly welding and product inspection method |
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| Publication number | Publication date |
|---|---|
| CN105290838B (en) | 2018-03-09 |
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