CN214557503U - Positioning device with wheel axle - Google Patents
Positioning device with wheel axle Download PDFInfo
- Publication number
- CN214557503U CN214557503U CN202120091502.5U CN202120091502U CN214557503U CN 214557503 U CN214557503 U CN 214557503U CN 202120091502 U CN202120091502 U CN 202120091502U CN 214557503 U CN214557503 U CN 214557503U
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- jaw chuck
- positioning
- limiting
- chuck
- jaw
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Abstract
The utility model discloses a positioner of band pulley axle, including multi-jaw chuck, multi-jaw chuck passes through the connecting plate and installs on the lathe, be equipped with a plurality of locating pieces that are used for pressing from both sides tight band pulley axle of waiting to process on the multi-jaw chuck, all be equipped with the stopper between each locating piece of multi-jaw chuck, each stopper passes through the second bolt fastening and is in on the chuck body of multi-jaw chuck, all be equipped with at least one spacing boss on each stopper, spacing boss be used for with the adjacent flank of tooth of waiting to process the band pulley axle cooperatees. The utility model discloses can follow the axial and radially advance line location, improve the machining precision.
Description
Technical Field
The utility model relates to a band pulley shaft's processing field, in particular to band pulley shaft's positioner.
Background
The manufacturing process of the automobile engine belt wheel shaft generally comprises the steps of casting or forging a belt wheel shaft blank, and then finishing the belt wheel shaft blank by adopting a lathe. With rapid development of industrial manufacturing and improvement of mechanical technology, the requirement for product quality accuracy of the pulley shaft is higher because the pulley shaft is easily interfered or abnormally sounded with the parking pawl during parking. It is therefore desirable to provide an apparatus that improves the accuracy of the machining process, while the positioning device for the pulley shaft is a significant part of the machining process.
Disclosure of Invention
The utility model aims at prior art not enough, provide a positioner of band pulley axle, this positioner can follow the axial and radially advance line location, improve the machining precision.
The technical scheme of the utility model is that:
the utility model provides a positioner of band pulley axle, includes the multi-jaw chuck, the multi-jaw chuck passes through the connecting plate to be installed on the lathe, be equipped with a plurality of locating pieces that are used for pressing from both sides tight band pulley axle of waiting to process on the multi-jaw chuck, all be equipped with the stopper between each locating piece of multi-jaw chuck, each stopper passes through the second bolt fastening on the chuck body of multi-jaw chuck, all be equipped with at least one spacing boss on each stopper, spacing boss is used for cooperateing with the adjacent flank of tooth of waiting to process the band pulley axle.
Furthermore, each limiting block is provided with two limiting bosses.
Furthermore, the limiting block is of a circular arc structure.
Furthermore, each clamping jaw of the multi-jaw chuck is provided with a positioning block, each positioning block is fixed on the clamping jaw of the multi-jaw chuck through a first bolt, and the positioning blocks are used for radially positioning the belt wheel shaft to be processed.
Further, the multi-jaw chuck adopts a three-jaw chuck.
Furthermore, the positioning block is provided with an arc-shaped positioning surface matched with the belt wheel shaft to be processed.
Adopt above-mentioned technical scheme to have following beneficial effect:
the utility model has simple structure, is used for clamping the multi-jaw chuck of the belt pulley shaft and radially limiting the belt pulley shaft to be processed; the limiting blocks are additionally arranged on the multi-jaw chuck, each limiting block is provided with at least one limiting boss, and each limiting boss is matched with the tooth plane of the pulley shaft to be processed and used for axially limiting the pulley shaft to be processed. The utility model discloses a treat the shaft and carry out radially and axially spacing, the location is more accurate, has improved the machining precision of treating processing band pulley axle to band pulley axle after effectively having avoided processing takes place to interfere or abnormal sound with the parking pawl at the parking in-process.
All be equipped with two spacing bosss on each stopper, spacing through two spacing bosss, the location effect is better.
The following description is further described in conjunction with the accompanying drawings and the detailed description.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic view of a portion of FIG. 2 in the direction of C;
FIG. 4 is a schematic structural view of the multi-jaw chuck of the present invention;
FIG. 5 is a schematic structural view of the stopper of the present invention;
fig. 6 is a sectional view taken along line B-B in fig. 5.
In the attached drawing, 1 is a multi-jaw chuck, 1-1 is a clamping jaw, 2 is a positioning block, 3 is a first bolt, 4 is a second bolt, 5 is a limiting block, 5-1 is a limiting boss, 5-2 is a countersunk bolt hole, 6 is a pulley shaft to be processed, and 7 is a connecting plate.
Detailed Description
Specific example 1:
referring to fig. 1 to 6, the positioning device for the belt pulley shaft comprises a multi-jaw chuck 1, wherein the multi-jaw chuck 1 is mounted on a lathe spindle through a connecting plate 7, a plurality of positioning blocks 2 used for clamping the belt pulley shaft 6 to be machined are arranged on the multi-jaw chuck 1, each clamping jaw 1-1 of the multi-jaw chuck 1 is provided with a positioning block 2, each positioning block 2 is fixed on the clamping jaw 1-1 of the multi-jaw chuck 1 through a first bolt 3, the positioning block 2 is provided with an arc-shaped positioning surface matched with the belt pulley shaft 6 to be machined, and the positioning block 2 is used for radially positioning the belt pulley shaft 6 to be machined. The multi-jaw chuck 1 may be a hydraulic chuck or a pneumatic chuck. In this embodiment, the multi-jaw chuck 1 is a three-jaw chuck, and three positioning blocks are disposed on the three-jaw chuck, which is the best embodiment. The multi-jaw chuck may also be a four-jaw chuck.
And a limiting block 5 is arranged between each two adjacent positioning blocks 2 of the multi-jaw chuck 1, and the limiting block 5 is of a circular arc structure. Each limiting block 5 is provided with a countersunk bolt hole 5-2, each limiting block 5 is matched and fixed on the chuck body of the multi-jaw chuck 1 through a second bolt 4 and the countersunk bolt hole 5-2, each limiting block 5 is provided with at least one limiting boss 5-1, and each limiting boss 5-1 is used for being matched with the adjacent tooth surface of the belt wheel shaft 6 to be processed, in the embodiment: three limiting blocks 5 are arranged between two adjacent positioning blocks 2 of the multi-jaw chuck 1, two limiting bosses 5-1 are arranged on each limiting block 5, and each limiting boss 5-1 is used for limiting a belt wheel shaft 6 to be processed.
The utility model discloses a theory of operation is: the belt pulley shaft is taken as an automobile engine belt pulley shaft for example, the multi-jaw chuck 1 drives the positioning block 2 to clamp the shaft end face of the belt pulley shaft 6 to be processed, and the belt pulley shaft is radially positioned. The axial positioning is carried out by matching the limiting boss 5-1 of the limiting block 5 with the tooth plane of the pulley shaft 6 to be processed, so that the pulley shaft is clamped and positioned in the radial direction and the axial direction. The axial size of the surface of the blank forged at the bottom of the belt wheel shaft tooth is guaranteed, and meanwhile, the belt wheel shaft and a parking pawl are prevented from interfering or causing abnormal sound in the parking process of the CVT.
Claims (6)
1. The utility model provides a positioner of band pulley axle, includes multi-jaw chuck, multi-jaw chuck passes through the connecting plate to be installed on the lathe, be equipped with a plurality of locating pieces that are used for pressing from both sides tight band pulley axle of waiting to process on the multi-jaw chuck, its characterized in that: and limiting blocks are arranged between the positioning blocks of the multi-jaw chuck and fixed on the chuck body of the multi-jaw chuck through second bolts, and each limiting block is provided with at least one limiting boss which is used for being matched with the adjacent tooth surface of the belt wheel shaft to be processed.
2. The pulley shaft positioning device according to claim 1, wherein: and each limiting block is provided with two limiting bosses.
3. Positioning device for pulley axles according to claim 1 or 2, characterized in that: the limiting block is of a circular arc structure.
4. The pulley shaft positioning device according to claim 1, wherein: and each clamping jaw of the multi-jaw chuck is provided with a positioning block, each positioning block is fixed on the clamping jaw of the multi-jaw chuck through a first bolt, and the positioning block is used for radially positioning the belt wheel shaft to be processed.
5. Positioning device for pulley axles according to claim 1 or 4, characterized in that: the multi-jaw chuck adopts a three-jaw chuck.
6. Positioning device for pulley axles according to claim 1 or 4, characterized in that: the positioning block is provided with an arc-shaped positioning surface matched with the belt wheel shaft to be processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120091502.5U CN214557503U (en) | 2021-01-14 | 2021-01-14 | Positioning device with wheel axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120091502.5U CN214557503U (en) | 2021-01-14 | 2021-01-14 | Positioning device with wheel axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214557503U true CN214557503U (en) | 2021-11-02 |
Family
ID=78368647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120091502.5U Active CN214557503U (en) | 2021-01-14 | 2021-01-14 | Positioning device with wheel axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214557503U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113996820A (en) * | 2021-11-18 | 2022-02-01 | 柳州市工大机械有限公司 | Turning equipment for torsion bar seat |
-
2021
- 2021-01-14 CN CN202120091502.5U patent/CN214557503U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113996820A (en) * | 2021-11-18 | 2022-02-01 | 柳州市工大机械有限公司 | Turning equipment for torsion bar seat |
| CN113996820B (en) * | 2021-11-18 | 2022-08-19 | 柳州市工大机械有限公司 | Turning equipment for torsion bar seat |
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