CN212551794U - Retainer groove turning clamp suitable for cylindrical rotating type rim - Google Patents
Retainer groove turning clamp suitable for cylindrical rotating type rim Download PDFInfo
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- CN212551794U CN212551794U CN202021170436.2U CN202021170436U CN212551794U CN 212551794 U CN212551794 U CN 212551794U CN 202021170436 U CN202021170436 U CN 202021170436U CN 212551794 U CN212551794 U CN 212551794U
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Abstract
A retainer ring groove turning clamp suitable for a cylindrical rotating type rim comprises a connecting disc, a power chuck and a pressing block, wherein the connecting disc is arranged below the power chuck, the power chuck comprises a chuck body and a plurality of chuck expansion claws, the number of the chuck expansion claws is at least three, the chuck expansion claws can move on the chuck body in the radial direction, and the outer end of each chuck expansion claw is provided with an arc surface expansion block used for propping against the inner wall of the rim; the pressing block can be radially moved and arranged above the power chuck, the outer end of the pressing block faces to the retainer ring groove of the rim, and the outer end of the pressing block can be partially moved into the position above the top of the rim or the position above the protruding part of the inner wall of the rim to press the rim. The inner step plane of the rim can be placed on the positioning surface for positioning, and the chuck expansion claw can drive the cambered surface expansion block cutting block to expand outwards when moving outwards so as to expand the inner cylindrical surface of the rim, thereby positioning the center of the rim. Meanwhile, the pressing block can press the upper end of the rim retainer groove by moving outwards to resist the upward acting force generated when the retainer groove is turned, so that the axial movement of a workpiece is prevented.
Description
Technical Field
The utility model belongs to the technical field of the wheel production facility and specifically relates to a keep off ring groove turning anchor clamps suitable for a section of thick bamboo revolves formula rim.
Background
The wheel rim typically has two ends of different diameters, with one end of the rim flange having a larger diameter and one end of the retainer groove having a smaller diameter. In addition, the appearance of the cylindrical rotating type rim made of the flat plate serving as a raw material is different from that of a traditional profile steel rim, the inner side of one end of a retaining ring groove of the traditional profile steel rim is a cylindrical surface, and the cylindrical rotating type rim is in a cambered surface. In addition, when the rim retainer groove is turned, due to the particularity of the shape of the retainer groove, a negative-angle sharp cutter needs to be adopted for turning the groove of the retainer groove, and the sharp cutter needs to feed upwards, so that an upward acting force is generated, and the rim retainer groove is easy to axially float due to the turning acting force in the machining process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned not enough, provide a catch ring groove turning anchor clamps suitable for a section of thick bamboo revolves formula rim that is applicable to the catch ring groove processing of a section of thick bamboo revolves formula rim.
In order to achieve the above object, the technical solution of the present invention is: a retainer groove turning clamp suitable for a cylindrical rotating type rim comprises a connecting disc, a power chuck and a pressing block, wherein the connecting disc is arranged below the power chuck, the periphery of the connecting disc extends out of the outer side of the power chuck, and the top surface of the extending part of the periphery of the connecting disc is provided with a positioning surface for placing a hub; the power chuck comprises a chuck body and a plurality of chuck expansion claws, the number of the chuck expansion claws is at least three, the chuck expansion claws can move on the chuck body in the radial direction, the outer end of each chuck expansion claw is provided with an arc expansion block used for propping against the inner wall of a rim, and the outer end surface of each arc expansion block is provided with an arc surface matched with the inner wall of the rim; the pressing block can be radially moved and arranged above the power chuck, the outer end of the pressing block faces to the retainer ring groove of the rim, and the outer end of the pressing block can be partially moved into the position above the top of the rim or the position above the protruding part of the inner wall of the rim to press the rim. The inner step plane of the rim can be placed on the positioning surface for positioning, and the chuck expansion claw can drive the cambered surface expansion block cutting block to expand outwards when moving outwards so as to expand the inner cylindrical surface of the rim, thereby positioning the center of the rim. Meanwhile, the pressing block can press the upper end of the rim retainer groove by moving outwards to resist the upward acting force generated when the retainer groove is turned, so that the axial movement of a workpiece is prevented. The briquetting can set up on the chuck claw that rises, moves along with the chuck claw that rises. The center of the workpiece is positioned by the cambered surface expansion block, the axial position is pressed by the pressing block, and the inner side of the retainer groove is propped by the pressing block, so that the workpiece is quickly positioned, and the workpiece is clamped and stably supported during machining.
Preferably, the chuck body is internally provided with an axially movable wedge block, the side surface of the wedge block is provided with a first inclined surface at the position facing the chuck expansion claw, and the first inclined surface can prop against the chuck expansion claw when the wedge block moves axially. The expanding action of the chuck expanding claw is controlled by the axial movement of the wedge block in the chuck, the power chuck is connected with a main shaft of a machine tool through a connecting disc, and an oil cylinder for driving the wedge block to move can be arranged at the rear part of the main shaft of the machine tool.
Preferably, the pressing block can be transversely movably arranged on the chuck expansion claw, a first locking screw for locking the chuck expansion claw is arranged on the pressing block, a transverse adjusting screw is arranged on the inner end side of the pressing block of the chuck expansion claw, the transverse adjusting screw is in threaded connection with the chuck expansion claw, and one end of the transverse adjusting screw abuts against the pressing block. The transverse position of the pressing block can be adjusted by transversely moving the pressing block on the chuck expansion claw, the pressing block is locked with the chuck expansion claw through the first locking screw after the position of the pressing block is adjusted, and the transverse adjusting screw abuts against the rear part of the pressing block to enable the pressing block to be locked and then to be difficult to move.
Preferably, the pressing block comprises a pressing block seat and a longitudinal sliding block, the longitudinal sliding block can longitudinally move on the pressing block seat, the outer end of the longitudinal sliding block is used for pressing the wheel hub, a second locking screw used for locking the pressing block seat is arranged on the longitudinal sliding block, a longitudinal adjusting screw is arranged on the pressing block seat, the lower end of the longitudinal adjusting screw penetrates through the longitudinal sliding block to be in threaded connection with the pressing block seat, and the upper end of the longitudinal adjusting screw presses the longitudinal sliding block. The longitudinal sliding block can move in the vertical direction on the pressing block seat, so that the outer end of the longitudinal sliding block can accurately press the rim, after the position of the longitudinal sliding block is adjusted, the second locking screw is locked to lock the longitudinal sliding block and the pressing block seat, and the upper end of the longitudinal adjusting screw can prop against the locked longitudinal sliding block to limit the vertical movement of the longitudinal sliding block.
The rim is positioned by the centers of the cambered surface expansion blocks, when the clamp clamps a workpiece for the first time or processes another batch of workpieces, the transverse positions of the pressing blocks are adjusted to enable the pressing blocks to more accurately abut against the back positions of the retainer ring grooves from the inside of the rim, and the longitudinal positions of the pressing blocks are adjusted to enable the pressing blocks to more accurately abut against the rim.
Preferably, the outer end of the pressing block is provided with a plastic block, and the pressing block presses the rim through the plastic block. The plastic block is arranged on the longitudinal slide block. The rim has the tendency of axial float when being processed, and the plastic block is the plastic material, and toughness is good, can be pressed steadily during the rim processing, and the plastic block roof pressure wheel hub can not press the rim and hinder.
Preferably, the outer end of the pressing block is provided with a second inclined surface, and the pressing block presses the rim through the second inclined surface. The second inclined surface can transversely support against the rim and press the rim at the same time.
Preferably, the connecting disc is provided with a cover for covering the power chuck and the pressing block, and the side surface of the cover is provided with an opening for extending the chuck expansion claw and the pressing block at the position corresponding to the chuck expansion claw and the pressing block. The cover covers the power chuck and the pressing block is fixed on the connecting disc, and can protect parts such as the chuck expansion claw and the like and shield scrap iron.
Preferably, a window is arranged at the top of the cover, and a cover plate covers the window. The cover plate is convenient to open, and the position of the pressing block is adjusted.
Preferably, the cambered expansion block is arranged on the outer side of the cover. The contact area between the clamp and the workpiece can be increased by enlarging the arc expansion block, and the arc expansion block cannot be placed in the cover after being enlarged.
Through adopting foretell technical scheme, the beneficial effects of the utility model are that: the utility model discloses the major diameter connection pad is installed to power chuck's bottom for the interior ladder plane of supporting rim one end can highly fix a position the rim. The outer end of the chuck expansion claw is provided with a large-angle cambered expansion block, and under the action of a power chuck center wedge block, the chuck expansion claw drives the cambered expansion block cutting block to expand outwards to expand the inner cylindrical surface of the tightening rim so as to position the center of the rim. Meanwhile, a pressing block with adjustable position is installed on the nonstandard chuck expansion claw and can move synchronously with the chuck expansion claw, the pressing block presses the upper end of the rim retainer groove when the cambered surface expansion block expands the inner cylindrical surface of the rim, and the upward acting force generated when the retainer groove is turned can be resisted to prevent the axial movement of a workpiece.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention with a cover;
FIG. 3 is a schematic structural view of the workpiece before being clamped;
fig. 4 is a schematic structural view of the workpiece clamped by the present invention.
Description of the main reference numerals:
a connecting disc 1; a positioning surface 11; a power chuck 2; a chuck body 21; chuck expanding jaws 22; briquetting 3; a press block seat 31; a longitudinal slide 32; a plastic block 33; a first locking screw 34; a lateral adjustment screw 35; a second locking screw 36; a longitudinal adjustment screw 37; a second inclined surface 38; an arc surface expansion block 4; a wedge 5; first bezel 51 covers 6; an opening 61; a cover plate 62; a rim 7; a retainer groove 71.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
As shown in fig. 1-4, the utility model relates to a retainer ring groove turning anchor clamps suitable for a section of thick bamboo revolves formula rim, including connection pad 1, power chuck 2 and briquetting 3, the below of power chuck 2 is located to connection pad 1, and the upper end and the power chuck of connection pad 1 are connected, and the lower extreme of connection pad 1 is used for connecting the main shaft of lathe. The periphery of the connecting disc 1 extends out of the outer side of the power chuck 2, and the top surface of the extending part of the periphery of the connecting disc 2 is provided with a positioning surface 11 for placing the hub 7. The power chuck 2 comprises a chuck body 21 and three chuck expansion claws 22, each chuck expansion claw 22 can move on the chuck body 21 in the radial direction, the outer end of each chuck expansion claw 21 is provided with an arc expansion block 4 used for propping against the inner wall of the rim 7, and the outer end face of each arc expansion block 4 is provided with an arc surface matched with the inner wall of the rim 7 in shape. The briquetting 3 can radially move and locate the top of power chuck 3, and the briquetting 3 has threely, and three briquetting 3 is fixed respectively on three chuck claw 21 that rises, and the briquetting can be along with chuck claw 22 that rises on chuck body 21 radial movement. The outer end of the pressing block 3 is opposite to the position of the retainer ring groove of the rim 7, and the outer end of the pressing block 3 can be partially moved into the position above the top of the rim 3 or the position above the inner wall bulge of the rim 7 to press the rim 7.
As shown in fig. 3, an axially movable wedge 5 is provided in the chuck body, a first inclined surface 51 is provided on a side surface of the wedge 5 facing the chuck expanding jaws 3, and the first inclined surface 51 is capable of abutting against the chuck expanding jaws 22 to move the chuck expanding jaws 22 in the radial direction of the chuck body 21 when the wedge 5 is axially movable.
As shown in fig. 1, the pressing block 3 is transversely movably disposed on the chuck expansion claw 22, the pressing block 3 is provided with a first locking screw 34 for locking the chuck expansion claw 22, the chuck expansion claw 22 is provided with a transverse adjusting screw 35 at an inner end side of the pressing block 3, the transverse adjusting screw 35 is in threaded connection with the chuck expansion claw 22, and one end of the transverse adjusting screw 35 abuts against the pressing block 3. The pressing block 3 comprises a pressing block seat 31 and a longitudinal sliding block 32, the longitudinal sliding block 32 can move longitudinally on the pressing block seat 31, namely, the longitudinal sliding block moves in the vertical direction, the outer end of the longitudinal sliding block 32 is used for pressing the wheel hub 7, the outer end of the longitudinal sliding block 32 is provided with a plastic block 33, and the pressing block presses the wheel rim 7 through the plastic block. The longitudinal sliding block 32 is provided with a second locking screw 36 for locking the pressing block seat 31, the pressing block seat 31 is provided with a longitudinal adjusting screw 37, the lower end of the longitudinal adjusting screw 37 penetrates through the longitudinal sliding block 32 and then is in threaded connection with the pressing block seat 31, and the upper end of the longitudinal adjusting screw 37 presses the longitudinal sliding block 31 to limit the longitudinal sliding block 31 to move upwards.
As shown in fig. 2, the connecting plate 1 is provided with a cover 6 for covering the power chuck 2 and the compact 3, and the side surface of the cover 6 is provided with an opening 61 for extending the chuck expansion claw 22 and the compact 3 at a position corresponding to the chuck expansion claw 22 and the compact 3. The top of the cover 6 is provided with a window, and the window is covered with a cover plate 62. The cambered surface expansion block 4 is arranged on the outer side of the cover.
When the circular rim machining device works, a cylindrical rotating type rim to be machined is placed into a clamp of a numerical control vertical lathe, so that the connecting disc completely supports the inner step plane at one end of the rim 7, namely the wheel rim. Then, the tail oil cylinder of the main shaft of the numerical control vertical lathe acts to drive the wedge block 5 to move upwards, and under the matching action of the first inclined plane 51, all the chuck expansion claws 22 simultaneously drive the cambered expansion blocks 4 arranged on the chuck expansion claws to expand outwards until all the cambered expansion blocks 4 expand the inner cylindrical surface of the rim 7. At the same time, all the pressing blocks 3 also press the upper end of the inner side of the retainer ring groove of the rim 7. This tensioning process also moves the center position of the rim 7 concentric with the clamp. And the positioning and clamping process is finished, and subsequent turning work can be carried out.
When the longitudinal position of the outer end of the pressing block 3 needs to be finely adjusted, the second locking screws and the longitudinal adjusting screws on all the longitudinal sliding blocks 31 can be loosened firstly, the rim is sleeved into the clamp correctly, the clamp is in a state of tensioning the inner cylindrical surface of the rim and accurately positioning the workpiece, then all the longitudinal sliding blocks are moved longitudinally to the position where the rim can be pressed through all the groups of longitudinal adjusting screws, and finally all the second locking screws are locked.
When the transverse position of the pressing block needs to be finely adjusted, all the first locking screws and the transverse adjusting screws can be loosened firstly, then the rim is sleeved into the clamp correctly, the clamp is in a state of tensioning the inner cylindrical surface of the rim and accurately positioning the workpiece, then all the pressing blocks are moved transversely to reliably press the upper part of the inner side of the rim retainer ring groove through all the groups of the transverse adjusting screws, and finally all the first locking screws are locked.
The above-mentioned, only for the preferred embodiment of the present invention, can not limit the scope of the implementation of the present invention, all the equivalent changes and decorations made according to the claims of the present invention should still belong to the scope covered by the present invention.
Claims (9)
1. The utility model provides a retainer groove turning anchor clamps suitable for section of thick bamboo revolves formula rim which characterized in that: the wheel hub positioning device comprises a connecting disc, a power chuck and a pressing block, wherein the connecting disc is arranged below the power chuck, the periphery of the connecting disc extends out of the outer side of the power chuck, and the top surface of the extending part of the periphery of the connecting disc is provided with a positioning surface for placing a wheel hub; the power chuck comprises a chuck body and a plurality of chuck expansion claws, the chuck expansion claws can move on the chuck body in the radial direction, the outer ends of the chuck expansion claws are provided with cambered expansion blocks used for propping against the inner wall of a rim, and the outer end surfaces of the cambered expansion blocks are provided with cambered surfaces matched with the inner wall of the rim; the pressing block can be radially moved and arranged above the power chuck, the outer end of the pressing block faces to the retainer ring groove of the rim, and the outer end of the pressing block can be partially moved into the position above the top of the rim or the position above the protruding part of the inner wall of the rim to press the rim.
2. The retainer groove turning clamp suitable for the cylindrical rotating type rim as claimed in claim 1, wherein: the chuck body is internally provided with a wedge block which can axially move, the side surface of the wedge block is provided with a first inclined surface facing the chuck expanding claw, and the first inclined surface can prop against the chuck expanding claw when the wedge block axially moves.
3. The retainer groove turning clamp suitable for the cylindrical rotating type rim as claimed in claim 1, wherein: but the briquetting lateral shifting sets up on the chuck claw that rises, is equipped with the first locking screw that is used for pinning the chuck claw that rises on the briquetting, and the chuck claw that rises is equipped with horizontal adjusting screw in the inner side of briquetting, and horizontal adjusting screw and the chuck claw threaded connection that rises, and the briquetting is withstood to horizontal adjusting screw's one end.
4. The retainer groove turning clamp suitable for the cylindrical rotating type rim as claimed in claim 1, wherein: the pressing block comprises a pressing block seat and a longitudinal sliding block, the longitudinal sliding block can longitudinally move on the pressing block seat, the outer end of the longitudinal sliding block is used for pressing the wheel hub, a second locking screw used for locking the pressing block seat is arranged on the longitudinal sliding block, a longitudinal adjusting screw is arranged on the pressing block seat, the lower end of the longitudinal adjusting screw penetrates through the longitudinal sliding block to be in threaded connection with the pressing block seat, and the upper end of the longitudinal adjusting screw presses the longitudinal sliding block.
5. The retainer groove turning clamp suitable for the cylindrical rotating type rim as claimed in claim 1, wherein: the outer end of the pressing block is provided with a plastic block, and the pressing block presses the rim through the plastic block.
6. The retainer groove turning clamp suitable for the cylindrical rotating type rim as claimed in claim 1, wherein: the outer end of the pressing block is provided with a second inclined surface, and the pressing block presses the rim through the second inclined surface.
7. The retainer groove turning clamp suitable for the cylindrical rotating type rim as claimed in claim 1, wherein: the connecting disc is provided with a cover for covering the power chuck and the pressing block, and the side surface of the cover is provided with an opening for extending the chuck expansion claw and the pressing block at the position corresponding to the chuck expansion claw and the pressing block.
8. The retainer groove turning clamp suitable for the cylindrical rotating type rim as claimed in claim 7, wherein: the top of the cover is provided with a window, and the window is covered with a cover plate.
9. The retainer groove turning clamp suitable for the cylindrical rotating type rim as claimed in claim 7, wherein: the cambered surface expansion block is arranged on the outer side of the cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021170436.2U CN212551794U (en) | 2020-06-22 | 2020-06-22 | Retainer groove turning clamp suitable for cylindrical rotating type rim |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021170436.2U CN212551794U (en) | 2020-06-22 | 2020-06-22 | Retainer groove turning clamp suitable for cylindrical rotating type rim |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212551794U true CN212551794U (en) | 2021-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021170436.2U Active CN212551794U (en) | 2020-06-22 | 2020-06-22 | Retainer groove turning clamp suitable for cylindrical rotating type rim |
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| Country | Link |
|---|---|
| CN (1) | CN212551794U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935674A (en) * | 2021-03-08 | 2021-06-11 | 无锡文森科技有限公司 | Frock clamp for friction welding of tee pipe fitting |
-
2020
- 2020-06-22 CN CN202021170436.2U patent/CN212551794U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935674A (en) * | 2021-03-08 | 2021-06-11 | 无锡文森科技有限公司 | Frock clamp for friction welding of tee pipe fitting |
| CN112935674B (en) * | 2021-03-08 | 2023-03-10 | 无锡文森科技有限公司 | Frock clamp for friction welding of tee pipe fitting |
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