CN203992680U - A kind of bevel gear shaft tool setting positioning fixture - Google Patents
A kind of bevel gear shaft tool setting positioning fixture Download PDFInfo
- Publication number
- CN203992680U CN203992680U CN201420307678.XU CN201420307678U CN203992680U CN 203992680 U CN203992680 U CN 203992680U CN 201420307678 U CN201420307678 U CN 201420307678U CN 203992680 U CN203992680 U CN 203992680U
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- bevel gear
- gear shaft
- tool setting
- collet
- clamp body
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Abstract
The utility model discloses a kind of bevel gear shaft tool setting positioning fixture, comprise clamp body and positioning sleeve, positioning sleeve is fixed on the end face of clamp body, in fixture body opening, collet is housed, part to be processed bevel gear shaft packs in the trepanning of location, and its rear portion axle head inserts in collet hole; Described tool rest is contained in to positioning sleeve outer face, feeler block inserts in the hole of tool rest.Bevel gear shaft tool setting positioning fixture of the present utility model, by eccentric shaft bulb fixing on feeler block, insert bevel gear teeth groove, bevel gear is positioned in circumferential position direction, then by the rear portion axle head of collet clamping cone gear shaft, make bevel gear shaft orientation and location.Bevel gear shaft tool setting positioning fixture of the present utility model, has the features such as tool setting is accurate, easy to operate, simple and reliable for structure, while being therefore applicable to very much the processing tool setting of tooth Profile Machining Machinetool workpiece and clamping, uses.
Description
Technical field
The utility model relates to a kind of mechanical orientation and positioning clamping device, is specifically related to a kind of bevel gear shaft tool setting positioning fixture.
Background technology
During the work of tooth Profile Machining lathe, if process profile of tooth on part blank, part only need correctly be fixed on the special fixture of work top; If profile of tooth must be done further fine finishining after roughing, as carry out the work such as roll flute, must by adjust gear in the angle of circumferencial direction to carry out the tool setting of emery wheel, then be fastened on the special fixture of work top, to guarantee that the two side faces of the gear teeth can be by roll flute fine finishining out.
Tool setting process is the engagement process of gear and emery wheel, should avoid the gear teeth of wheel top grinding and gear to bump, in order to improve machining accuracy, must make emery wheel realize balance with the flank of tooth of gear teeth teeth groove both sides and contact simultaneously, avoid producing the unequal of teeth groove two lateral tooth flank grinding allowances.Therefore the secondary fine of profile of tooth processing, first must carry out the tool setting of roll flute emery wheel.Tradition adopts the method for artificial tool setting to carry out tool setting adjustment, and workman produces pyrophoric situation by observing teeth groove both sides in grinding process, has judged whether tool setting; Or adopt simple methods of engagement to carry out artificial judgment.But the method inefficiency of artificial tool setting, tool setting process need be through repeatedly adjusting, after each replacing workpiece, all need tool setting again, cause the uniformity of processing work bad, also too rely on workman's experience, the most important thing is that the precision of machining gears is had a strong impact on because tool setting precision is not high, surplus is uneven.
Therefore, need a kind of new technical scheme to solve the problems referred to above.
Utility model content
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides a kind of bevel gear shaft tool setting positioning fixture, improve the operating efficiency that profile of tooth secondary fine adds tool setting in man-hour, simplify the operation, reduce work difficulty, and make the surplus of teeth groove two lateral tooth flank grindings impartial, improve the precision of gear grinding processing.
Technical scheme: for achieving the above object, a kind of bevel gear shaft tool setting positioning fixture of the present utility model, comprise clamp body and the positioning sleeve being connected with clamp body, clamp body and positioning sleeve are all provided with centre bore, processed bevel gear shaft is installed in centre bore, positioning sleeve outer face is provided with tool rest, to inserting feeler block in tool rest, feeler block is provided with eccentric shaft in hole, eccentric shaft is locked by locking device, and eccentric shaft lower end is bulb, and bulb is arranged in the teeth groove of bevel gear shaft, the afterbody of bevel gear shaft is connected with collet, and collet is connected with cylinder apparatus.
As preferably, described tool rest is provided with to square opening, feeler block afterbody is the cuboid coordinating with square opening, guarantee feeler block in to tool rest square hole mobile freely, do not relatively rotate.
As preferably, the head of described collet is frustum, and the centre bore of clamp body is provided with the conical bore coordinating with frustum, and while moving after collet, its frustum cylindrical shrinks in conical bore, make collet tightly clamp processed bevel gear shaft.
As preferably, described locking device comprises tie down screw and copper packing, and copper packing is between tie down screw and eccentric shaft; the head that utilizes tie down screw tightly withstand eccentric shaft; copper packing has increased lifting surface area, the not extrusion of protection eccentric shaft, and more convenient tie down screw locking eccentric shaft.
As preferably, the afterbody of described clamp body is provided with guider screw, and collet is provided with gathering sill, and gathering sill moves along guider screw, collet can better be moved forward and backward, and rocking of circumferencial direction do not occur.
Beneficial effect: bevel gear shaft tool setting positioning fixture of the present utility model, when part to be processed bevel gear shaft packs into after the centre bore of positioning sleeve, feeler block is inserted in the square hole of tool rest, on feeler block, eccentric shaft bulb inserts in certain teeth groove of the bevel gear gear teeth, apply the certain card bevel gear tooth portion that tries hard to keep rear end face and paste firm positioning sleeve outer face, drive again the cylinder apparatus at platen rear portion to pull back collet, bevel gear shaft is fixed on platen face special fixture exactly, two lateral tooth flanks that can guarantee teeth groove have equal grinding allowance, therefore this method of operating is simple, operating efficiency is high, the roll flute machining accuracy of gear is also effectively improved, while being therefore very applicable to each machine works' tooth Profile Machining tool setting and clamping, use.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, a kind of bevel gear shaft tool setting positioning fixture of the present utility model, comprise clamp body 10 and the positioning sleeve 6 being connected with clamp body 10, clamp body 10 and positioning sleeve 6 are all provided with centre bore, processed bevel gear shaft 5 is installed in centre bore, positioning sleeve 6 outer faces are provided with tool rest 8, to inserting feeler block 4 in tool rest 8 holes, feeler block is provided with eccentric shaft 3 in 4 holes, eccentric shaft 3 is locked by locking device, eccentric shaft 3 lower ends are bulb, bulb is arranged in the teeth groove of bevel gear shaft 5, the afterbody of bevel gear shaft 5 is connected with collet 12, collet 12 is connected with cylinder apparatus.
In the utility model, tool rest 8 is provided with to square opening, feeler block 4 afterbodys are the cuboid coordinating with square opening, guarantee that feeler block 4 moves freely, do not relatively rotate in to tool rest 8 square holes; The head of collet 12 is frustum, and the centre bore of clamp body 10 is provided with the conical bore coordinating with frustum, and while moving after collet 12, its frustum cylindrical shrinks in conical bore, make collet 12 tightly clamp processed bevel gear shaft 5; Locking device comprises tie down screw 1 and copper packing 2, between tie down screw 1 and eccentric shaft 3, be provided with copper packing 2, the head that utilizes tie down screw 1 tightly withstand eccentric shaft 3, copper packing 2 has increased lifting surface area, the 3 not extrusions of protection eccentric shaft, more convenient tie down screw 1 pins eccentric shaft 3; The afterbody of clamp body 10 is provided with guider screw 13, and collet 12 is provided with gathering sill, and gathering sill moves along guider screw 13, and collet 12 can move forward and backward easily, and rocking of circumferencial direction do not occur.
A kind of bevel gear shaft tool setting positioning fixture of the present utility model is when reality is used, clamp body 10 is contained in platen surface by one group of bolt, positioning sleeve 6 is by one group of end face that is bolted to clamp body 10, clamp body is equipped with collet 12 in 10 holes, part to be processed bevel gear shaft 5 packs in positioning sleeve 6 centre bores, and part to be processed bevel gear shaft 5 rear portion axle heads insert in collet 12 holes; Guider screw 13 is equipped with at clamp body 10 rear portions, insert in the straight trough of collet 12 rear portion outer round surface its underpart, collet 12 and clamp body 10 are not relatively rotated in a circumferential direction, and bevel gear shaft 5 afterbodys do not relatively rotate with clamp body 10 after clamping yet.
This tool setting positioning fixture adds man-hour at the initial workpiece that carries out bevel gear shaft 5, first according to conventional method, adopt and manually the skill in using a kitchen knife in cookery is carried out to tool setting adjustment, by observation, trying teeth groove both sides in mill process produces spark or adopts simple methods of engagement to carry out artificial judgment, make the bevel gear gear teeth two lateral tooth flank grinding allowances impartial, drive again the cylinder apparatus of platen bottom to pull back after collet 12 clamping cone gear shafts 5, start lathe and carry out roll flute processing.
After initial workpiece bevel gear shaft 5 roll flute process finishing, workpiece must not loosen and take off.Tool rest 8 is contained on positioning sleeve 6 outer faces by one group of screw in advance, feeler block 4 is inserted in the square hole of tool rest 8, in the front end upright opening of feeler block 4, pack eccentric shaft 3 into, the bulb of eccentric shaft 3 lower ends inserts the wheel between cog of gear, by adjusting height and the corner of eccentric shaft 3 in feeler block 4 holes, make the bulb of eccentric shaft 3 and gear teeth left and right flank simultaneously at the middle part of facewidth close contact, then carry out fastening with tie down screw 1 and copper packing 2.
When batch machining bevel gear shaft 5, bevel gear shaft 5 is packed in positioning sleeve 6 holes, bevel gear shaft 5 rear portion axle heads insert in collet 12 holes, again feeler block 4 assemblies (contain fastening after eccentric shaft 3) are inserted in the square hole of tool rest 8, the bulb of eccentric shaft 3 on feeler block 4 is inserted in certain teeth groove of the bevel gear gear teeth, apply the certain card bevel gear tooth portion that tries hard to keep rear end face and paste firm positioning sleeve 6 outer faces, drive the cylinder apparatus of platen bottom to pull back collet 12 by bevel gear shaft 5 clampings, completed tool setting work, gear two lateral tooth flanks have equal grinding allowance, now can take off feeler block 4 assemblies, start lathe and carry out roll flute processing.
The above is only preferred embodiment of the present utility model; be noted that for those skilled in the art; do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. a bevel gear shaft tool setting positioning fixture, it is characterized in that: comprise clamp body and the positioning sleeve being connected with clamp body, clamp body and positioning sleeve are all provided with centre bore, processed bevel gear shaft is installed in centre bore, positioning sleeve outer face is provided with tool rest, to inserting feeler block in tool rest, in feeler block, be provided with eccentric shaft, eccentric shaft is locked by locking device, eccentric shaft lower end is bulb, bulb is arranged in the teeth groove of bevel gear shaft, and the afterbody of bevel gear shaft is connected with collet, and collet is connected with cylinder apparatus.
2. bevel gear shaft tool setting positioning fixture according to claim 1, is characterized in that: described tool rest is provided with to square opening, feeler block afterbody is the cuboid coordinating with square opening.
3. bevel gear shaft tool setting positioning fixture according to claim 1, is characterized in that: the head of described collet is frustum, and the centre bore of clamp body is provided with the conical bore coordinating with frustum.
4. bevel gear shaft tool setting positioning fixture according to claim 1, is characterized in that: described locking device comprises tie down screw and copper packing, and copper packing is between tie down screw and eccentric shaft.
5. bevel gear shaft tool setting positioning fixture according to claim 1, is characterized in that: the afterbody of described clamp body is provided with guider screw, and collet is provided with gathering sill, and gathering sill moves along guider screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420307678.XU CN203992680U (en) | 2014-06-10 | 2014-06-10 | A kind of bevel gear shaft tool setting positioning fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420307678.XU CN203992680U (en) | 2014-06-10 | 2014-06-10 | A kind of bevel gear shaft tool setting positioning fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203992680U true CN203992680U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420307678.XU Active CN203992680U (en) | 2014-06-10 | 2014-06-10 | A kind of bevel gear shaft tool setting positioning fixture |
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| Country | Link |
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| CN (1) | CN203992680U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108673161A (en) * | 2018-05-31 | 2018-10-19 | 四川理工学院 | A kind of numerical tool operation station rotation support device |
| CN110961731A (en) * | 2019-11-25 | 2020-04-07 | 青州市建富齿轮有限公司 | Groove milling clamp for driving bevel gear |
-
2014
- 2014-06-10 CN CN201420307678.XU patent/CN203992680U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108673161A (en) * | 2018-05-31 | 2018-10-19 | 四川理工学院 | A kind of numerical tool operation station rotation support device |
| CN110961731A (en) * | 2019-11-25 | 2020-04-07 | 青州市建富齿轮有限公司 | Groove milling clamp for driving bevel gear |
| CN110961731B (en) * | 2019-11-25 | 2021-02-12 | 青州市建富齿轮有限公司 | Groove milling clamp for driving bevel gear |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210113 Address after: 210000 9 Yingjia Road, sangyuan community, Lukou street, Jiangning District, Nanjing City, Jiangsu Province (Jiangning Development Zone) Patentee after: Nanjing Ruixin Intelligent Manufacturing Co.,Ltd. Patentee after: NANJING INSTITUTE OF MECHATRONIC TECHNOLOGY Address before: 210014 no.3-2, Lianhe village, Qinhuai District, Nanjing City, Jiangsu Province Patentee before: NANJING XINGNONG GEAR MANUFACTURING Co.,Ltd. Patentee before: NANJING INSTITUTE OF MECHATRONIC TECHNOLOGY |