CN103707130A

CN103707130A - Angle dividing device

Info

Publication number: CN103707130A
Application number: CN201310732765.XA
Authority: CN
Inventors: 林风华; 顾秀明; 李芳月; 张红锋; 秦磊; 王海涛
Original assignee: BINZHOU BOHAI PRECISION MACHINERY Co Ltd; Shandong Binzhou Bohai Piston Co Ltd
Current assignee: Binzhou Bohai piston Co., Ltd.; BINZHOU BOHAI PRECISION MACHINERY CO., LTD.
Priority date: 2013-12-27
Filing date: 2013-12-27
Publication date: 2014-04-09
Anticipated expiration: 2033-12-27
Also published as: CN103707130B

Abstract

The invention discloses an angle dividing device. A chuck of the angle dividing device is connected with a main shaft through a connecting disc, a rotary ring is fixed to the outer circle of the connecting disc, and a circumferential scale is engraved on the outer circle of the rotary ring; an angle contact bearing is arranged at the end, close to the chuck, of the main shaft, a ball bearing is installed at the tail end of the main shaft, and the main shaft provided with the front bearing and the rear bearing is fixed to a box body through a bearing gland and a retaining nut; an upper cover is further arranged on the box body; locating holes evenly distributed along the circumference of the main shaft are formed in the outer circle of the main shaft; a locating board is arranged on the box body and a T-shaped groove is formed in the locating board; the locating mechanism comprises a body, a locating pin, a clamp nut, an outer fixing sleeve and a spring; the locating pin is fixed to the body through the spring, the outer fixing sleeve is arranged on the body, the clamp nut is arranged on the outer fixing sleeve, and the locating pin is fastened on the locating board with the T-shaped groove through the clamp nut. The angle dividing device is light, handy, easy to operate, rapid in division, free of division errors, and capable of being integrated with a dividing head base and a dividing tail base, improving the product machining quality and increasing the machining range.

Description

A kind of angle-differentiated device

Technical field

The present invention is a kind of machining of all size model universal milling machine and angle-differentiated device of quick index line work of being applicable to.

Background technology

As the machining operation of device fabrication, the production task of often facing is the processing of the long-axle workpieces of plurality of specifications size and the pipe fitting product of One's name is legion.The problem running in production is that the diameter of most of long-axle workpieces all exists

left and right, length more than 800mm, like this major axis class part body of specification, on milling machine, clamping is processed two-end part and is often seemed too inadequate in general dividing head.Because the inner hole of spindle of general dividing head is too little

long shaft parts body cannot pass; when one end is clamped in the scroll chuck of dividing head, the other end of axis body often can exceed the range of work of milling machine, even if some part body is processed reluctantly; also is mostly that twice clamping machines for twice, and not only quality can not be guaranteed but also inefficiency.When especially processing staff needs processing hexagonal, four directions or flat portion in the face of the tubular joint body of One's name is legion all day long, seem and be more stymied by, because of general dividing head calibration too loaded down with trivial details, add the circulation of being engaged in for a long time single action, not only tired out but also be weary of, not only working (machining) efficiency does not increase, also often the processing number of degrees are shaken to mistake, cause the generation of waster.

Summary of the invention

The practical difficulty running in milling manufacturing procedure according to the above major axis class part body and pipe fitting part body, the invention provides a kind of milling machine angle quick index device.

A kind of angle-differentiated device, comprise chuck, terminal pad, swivel becket, angular contact bearing, ball bearing, bearing gland, anti-return nut, upper cover, casing, location-plate, main shaft, fastening handle, detent mechanism, described chuck is connected with main shaft by terminal pad transition, while being fixed with calibration on the cylindrical of terminal pad, promote the swivel becket that main shaft rotates, on swivel becket cylindrical, be carved with the circular scale line of 360 °; Near chuck-end main shaft, angular contact bearing is housed, tail end is equipped with ball bearing, and the main shaft that front and back bearings is housed is fixed on casing by bearing gland and anti-return nut, has limited securely the axial float of main shaft; On described casing, be also provided with upper cover; The cylindrical of described main shaft is provided with the locating hole that multi-turn distributes along main shaft even circumferential; Described casing is provided with location-plate, is provided with T-slot on location-plate; Described detent mechanism, comprises body, alignment pin, clamp nut, fixed jacket and spring; Described alignment pin is fixed on body by spring, body is provided with fixed jacket, fixed jacket is provided with clamp nut, alignment pin is close to solid fastening nuts on the location-plate with T-slot, locating hole on alignment pin and main shaft closely cooperates under spring-force driven dual, reaches the object of fixed main shaft.

Described detent mechanism also comprises handle jacket and overcoat back-up ring, and handle jacket is fixed on body by overcoat back-up ring.

Described upper cover is drawing and pulling type.

Between described upper cover and casing, be also provided with glass plate, described glass plate is drawing and pulling type.

The upper cover of indexing means is the drawing and pulling type upper cover that has plastic plate and lucite to make, during work, pull open according to actual needs poly (methyl methacrylate) plate, with spanner, unclamp the clamp nut of alignment pin, alignment pin just can easily be adjusted in required locating hole along the T-slot of location-plate.During calibration, when the right hand is pulled outwardly alignment pin, left hand gently turns the swivel becket being fixed on terminal pad, and alignment pin easily slips into locating hole under the effect of spring force.

Described angular contact bearing is two,

Ball bearing is one.

Described angle-differentiated device also comprises fastening handle, and described fastening handle is fixed on bearing gland by fastening disk.

When the tail end (right-hand member) that fastening handle is contained in main shaft needs, as long as by clockwise rotating handle, the fastening disk of handle reaches the object that prevents active rotation together with will fitting tightly with the bearing gland on being fixed on casing.

The fastening handle of this indexing means fastening functional, seldom uses fastening handle in work, use when only large especially at processing capacity or processing stand is too far away from chuck.

The axle center of described main shaft and the angle of bellmouth are 45 °, 60 °, 90 °, 120 ° or 180 °.

The described bellmouth of orientating as, the diameter of described bellmouth is 22mm.

Principle of the present invention is that the inner hole of spindle of indexing means is larger

on the external diameter circumference of main shaft, be distributed with multi-turn common angle internal taper hole (45 °, 60 °, 90 °, 120 °, 180 °) can with the alignment pin quick-fit of position fixing handle, reach the object of quick index processing.

To diameter

following long-axle workpieces can penetrate inner hole of spindle easily, realizes the object that clamped one time is processed two ends simultaneously, has overcome the drawback of twice clamping line centering of general dividing head, has improved the uniformity of product processing.

It is taper fit that the alignment pin of detent mechanism coordinates with the calibration locating hole of main shaft cylindrical, and alignment pin, under the effect of spring force, makes to coordinate rapid, reliable and stable, and the time of each calibration can complete within 3～4 seconds.

Upper cover is plug-type sealing, when workpiece needs certain angle, as long as plexiglass cover is pulled open, with spanner, unclamp the clamp nut of alignment pin, detent mechanism just can slide into along the T-slot of location-plate in the locating hole of the required number of degrees, and then clamp nut can be realized quick index processing.

Three-jaw self-centering chuck is connected with main shaft by terminal pad, the swivel becket of rotating spindle is housed on the external diameter of terminal pad and is carved with the edge circle of 360 °, the impetus of rotating spindle when the effect of swivel becket is calibration, the groove of 360 ° contributes to the workpiece to being clamped in chuck to realize fast scribing and processing.

The major function that the present invention possesses:

1. can be by

following major axis class part body is through inner hole of spindle, be clamped in and in scroll chuck, carry out two ends processing simultaneously, overcome major axis series products because Working position exceeds the drawback that the milling machine range of work is carried out twice clamping centering processing, improved the uniformity that product two ends process simultaneously.

2. the machining angle of often using in pair production (45 °, 60 °, 90 °, 120 °, 180 °) can carry out quick index processing, and its index time is only 1/10 of plain dividing head index time.

3. can be used in conjunction with the tailstock of plain dividing head, spline, keyway on axle class part body are carried out calibration processing and repaired, especially the processing of overlength class axis body (1000mm～1500mm) be had more to its mystique.

4. as required, the workpiece being held in scroll chuck is carried out to quick index line.

The invention has the beneficial effects as follows, this indexing means is easy to loading and unloading, calibration is fast and simple, easy to operate, calibration zero defect, can be by diameter

following major axis class part body penetrates in the spindle hole of this device, has fundamentally solved a difficult problem of processing twice clamping of major axis series products, twice centering processing, under the prerequisite of enhancing productivity, has guaranteed product quality.Especially in the face of the pipe fitting product of One's name is legion during in processing hexagonal, four directions and flat portion, the superiority that has more shown this device, its operating efficiency can improve more than 1 times than former processing method, each index time is only used 3～4 seconds, be 1/10 of the each index time of general dividing head, greatly alleviated operating personnel's labour intensity.

The present invention repeatedly improves sizing in the processing through long-time machine tool and repair process, be characterized in that light and handy convenience, easily operation, calibration are quick, calibration zero defect, can combine together with dividing head tailstock, improve product processing quality and the range of work.

Accompanying drawing explanation

Fig. 1 is main body profile of the present invention.

Fig. 2 is the profile of detent mechanism.

Fig. 3 is that main body coordinates profile with detent mechanism.

Fig. 4 is overall schematic of the present invention.

Fig. 5 is the structural representation of this device machining piston casting machine sliding bar.

Fig. 6 is the structural representation of this device processing tube joint hexahedron.

Wherein 1. three-jaw self-centering chucks, 2. terminal pad, 3. swivel becket, 4. be with graduated edge circle, 5. bearing gland, 6. upper cover, 7. poly (methyl methacrylate) plate, 8. casing, 9. the retaining back of the body is female, 10. main shaft, 11.T type groove, 12. fastening disks, 13. angular contact bearings, 14. locating holes, 15. ball bearings, 16. alignment pins, 17. clamp nuts, 18. fixed jackets, 19. springs, 20. nylon handle jackets, 21. overcoat back-up rings, 22. location-plates, 23. piston casting machine sliding bars, 24. pipe joint hexahedrons, 25. tailstocks, 26. detent mechanism bodies, 27. fastening handles.

The specific embodiment

Below in conjunction with drawings and Examples, the present invention is further described.

As Figure 1-Figure 4, a kind of angle-differentiated device, comprise three-jaw self-centering chuck 1, terminal pad 2, swivel becket 3, angular contact bearing 13, ball bearing 15, bearing gland 5, anti-return nut 9, upper cover 6, casing 8, location-plate 22, main shaft 10, fastening handle 27, detent mechanism, described three-jaw self-centering chuck 1 is connected with main shaft 10 by terminal pad 2 transition, while being fixed with calibration on the cylindrical of terminal pad 2, promote the swivel becket 3 that main shaft 10 rotates, swivel becket 3 cylindricals are provided with is with graduated edge circle 4; Main shaft 10 near three-jaw self-centering chuck 1 end is equipped with two angular contact bearings 13, and tail end is equipped with a ball bearing 15, and the main shaft 10 that front and back bearings is housed is fixed on casing 8 by bearing gland 5 and anti-return nut 9, has limited securely the axial float of main shaft 10; On described casing 8, be also provided with upper cover 6; The cylindrical of described main shaft 10 is provided with the locating hole 14 distributing along main shaft 10 even circumferentials; Described casing 8 is provided with location-plate 22, is provided with T-slot 11 on location-plate 22; Described detent mechanism, comprises detent mechanism body 26, alignment pin 16, clamp nut 17, fixed jacket 18, spring 19, nylon handle jacket 20 and overcoat back-up ring 21; Described alignment pin 16 is fixed on detent mechanism body 26 by spring 19, detent mechanism body 26 is provided with fixed jacket 18, fixed jacket 18 is provided with clamp nut 17, alignment pin 16 is fastened on the location-plate 22 with T-slot 11 by clamp nut 17, alignment pin 16 closely cooperates under spring-force driven dual with the locating hole 14 on main shaft 10, reach the object of fixed main shaft 10, nylon handle jacket 20 is fixed on detent mechanism body 26 by overcoat back-up ring 21.

Between described upper cover 6 and casing 8, be also provided with poly (methyl methacrylate) plate 7, described poly (methyl methacrylate) plate 7 is drawing and pulling type, and described fastening handle 27 is fixed on bearing gland 5 by fastening disk 12.

As shown in Figure 5, during machining piston casting machine sliding bar 23, the piston casting machine sliding bar 23 of diameter 50mm, length 1000mm is packed in main shaft 10, with three-jaw self-centering chuck 1, clamp, tailstock 25 supplemental support are all used at two ends, then take out out poly (methyl methacrylate) plate 7, with spanner, unclamp clamp nut 17, alignment pin 16 is adjusted in required halves locating hole (180 °) along the T-slot 11 of location-plate 22, tightened clamp nut 17 and shut poly (methyl methacrylate) plate 7 and can carry out substep processing.The installation way of Fig. 5 style can be disposable by the 23 two ends keyway machine-shapings of piston casting machine sliding bar, after 23 liang of flat end parts of piston casting machine sliding bar simultaneously being processed thereupon, operator is when the right hand pulls nylon handle jacket 20, left hand is to rotating swivel becket 3, main shaft 10 can slip in second locating hole by Rotate 180 ° alignment pin 16 under the effect of spring 19, then by second completion of processing of flat portion.This device has overcome the drawback of twice clamping line centering of general dividing head, has improved quality and the efficiency of product processing.

As shown in Figure 6, during processing tube joint hexahedron 24, workpiece is packed between three-jaw self-centering chuck 1 and tailstock 25 and clipped, take out out poly (methyl methacrylate) plate 7, with spanner, unclamp clamp nut 17, alignment pin 16 is adjusted in the locating hole of six equal portions along the T-slot 11 of location-plate 22, tighten clamp nut 17, shut the Milling Process that poly (methyl methacrylate) plate 7 can carry out first surface, after first surface machines, operator is when the right hand pulls out nylon handle jacket 20, left hand rotates swivel becket 3, alignment pin 16 slips in second locating hole under the effect of spring 19, processing can be by pipe joint hexahedron 24 completion of processing successively.This device processing characteristic is, calibration is convenient and swift, the sorrow of error-free minute, and each index time 3～4 seconds, its working (machining) efficiency can improve 1 times.

Although above-mentioned, by reference to the accompanying drawings the specific embodiment of the present invention is described; but be not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.

Claims

1. an angle-differentiated device, it is characterized in that, comprise chuck, terminal pad, swivel becket, angular contact bearing, ball bearing, bearing gland, anti-return nut, upper cover, casing, location-plate, main shaft, fastening handle, detent mechanism, described chuck is connected with main shaft by terminal pad, while being fixed with calibration on the cylindrical of terminal pad, promote the swivel becket that main shaft rotates, on swivel becket cylindrical, be carved with circular scale line; Near chuck-end main shaft, angular contact bearing is housed, tail end is equipped with ball bearing, and the main shaft that front and back bearings is housed is fixed on casing by bearing gland and anti-return nut; On described casing, be also provided with upper cover; The cylindrical of described main shaft is provided with the locating hole distributing along main shaft even circumferential; Described casing is provided with location-plate, is provided with T-slot on location-plate; Described detent mechanism, comprises body, alignment pin, clamp nut, fixed jacket and spring; Described alignment pin is fixed on body by spring, and body is provided with fixed jacket, and fixed jacket is provided with clamp nut, and alignment pin is close to solid fastening nuts on the location-plate with T-slot.

2. angle-differentiated device as claimed in claim 1, is characterized in that, described detent mechanism also comprises handle jacket and overcoat back-up ring, and handle jacket is fixed on body by overcoat back-up ring.

3. angle-differentiated device as claimed in claim 1, is characterized in that, described upper cover is drawing and pulling type.

4. angle-differentiated device as claimed in claim 1, is characterized in that, is also provided with glass plate between described upper cover and casing, and described glass plate is drawing and pulling type.

5. angle-differentiated device as claimed in claim 1, is characterized in that, described angular contact bearing is two.

6. angle-differentiated device as claimed in claim 1, is characterized in that, ball bearing is one.

7. angle-differentiated device as claimed in claim 1, is characterized in that, described angle-differentiated device also comprises fastening handle, and described fastening handle is fixed on bearing gland by fastening disk.

8. angle-differentiated device as claimed in claim 1, is characterized in that, the axle center of described main shaft and the angle of bellmouth are 45 °, 60 °, 90 °, 120 ° or 180 °.

9. the angle-differentiated device as described in claim 1 or 8, is characterized in that, described in orientate bellmouth as.

10. angle-differentiated device as claimed in claim 9, is characterized in that, the diameter of described bellmouth is 22mm.