CN212600494U - Quick replacement's vertical positioning core axle - Google Patents
Quick replacement's vertical positioning core axle Download PDFInfo
- Publication number
- CN212600494U CN212600494U CN202020624393.4U CN202020624393U CN212600494U CN 212600494 U CN212600494 U CN 212600494U CN 202020624393 U CN202020624393 U CN 202020624393U CN 212600494 U CN212600494 U CN 212600494U
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- jacking
- rod
- spring
- block
- mandrel
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Abstract
The utility model discloses a quick replacement's vertical positioning core axle, its characterized in that: including setting up positioning seat on the desktop, installing in the mounting bracket under the desktop, installing in subaerial climbing mechanism, positioning seat upper portion is equipped with the dabber, and the dabber bottom is equipped with the fixture block, and the fixture block inboard is the slope form, and the sliding tray has been seted up on positioning seat upper portion, and the sliding tray is equipped with the guide bar along its length direction in, and the fixture block sub-unit connection has the sliding block. The utility model discloses in can be at the epaxial quick replacement location utensil of dabber to adapt to the internal diameter size of different wheel hub's center pin.
Description
Technical Field
The utility model discloses wheel hub production technical field, concretely relates to vertical positioning core axle of quick replacement.
Background
When the hub is machined, the center of the hub is sleeved on the mandrel to be fixed. The inner diameters of the central shafts of different hubs are different, and corresponding mandrels are required to be replaced before different batches of hubs are processed, so that the inner diameter size of the central shaft of the hub is adapted. Because the mandrel is fixed on the working table, the whole mandrel needs to be detached during replacement, which is very inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a quick replacement's vertical positioning core axle.
In order to achieve the above object, the present invention provides the following technical solutions:
a quick-replaceable vertical positioning mandrel comprises a positioning seat arranged on a tabletop, a mounting frame arranged below the tabletop, and a jacking mechanism arranged on the ground, wherein the upper part of the positioning seat is provided with a mandrel, the bottom of the mandrel is provided with a clamping block, the inner side of the clamping block is inclined, the upper part of the positioning seat is provided with a sliding groove, a guide rod is arranged in the sliding groove along the length direction of the sliding groove, the lower part of the clamping block is connected with a sliding block, the sliding block is arranged in the sliding groove and sleeved on the guide rod, the guide rod is sleeved with a first spring, the two ends of the first spring are respectively connected with the outer side of the sliding block and the side wall of the sliding groove, the upper part of the mounting frame is provided with a guide disc, a jacking rod is connected in the guide disc in a penetrating manner, the lower end of the connecting rod passes through the mounting, the jacking mechanism is positioned under the jacking block and can push the jacking rod to ascend so as to extrude the clamping blocks on two sides to move outwards.
Preferably, the inner side and the outer side of the mounting frame are both provided with reinforcing plates.
Preferably, the jacking mechanism comprises a cylinder, a piston rod is arranged in the cylinder, and a jacking ball is arranged at the top end of the piston rod.
Preferably, the connecting rod is sleeved with a second spring, one end of the second spring abuts against the guide disc, and the other end of the second spring abuts against the jacking block.
Preferably, a fixed sleeve is installed on the lower portion of the guide disc, an adjusting portion is connected to the inner thread of the fixed sleeve, a second spring is sleeved on the connecting rod, one end of the second spring abuts against the adjusting portion, and the other end of the second spring abuts against the jacking block.
Compared with the prior art, the beneficial effects of the utility model are that: the jacking rod is pushed to ascend through the jacking mechanism so as to extrude the clamping blocks on two sides to move outwards, the clamping blocks hook the fixing ring grooves in the positioning tool, the positioning tool is fixed on the mandrel, the positioning tool is selected according to the type of the hub to be machined, and the outer diameter of the positioning tool is matched with the inner diameter of the central shaft of the hub; when the lifting mechanism is replaced, the lifting mechanism returns to the original position, the lifting rod descends under the action of gravity and the second spring, and the sliding block moves inwards under the action of the elastic force of the first spring, so that the clamping block is driven to move inwards to retract into the mandrel, and the positioning tool can be conveniently taken down from the mandrel.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the utility model in use;
FIG. 3 is a schematic structural view of the present invention in an unused state;
FIG. 4 is an enlarged schematic view at A in FIG. 3;
fig. 5 is an enlarged schematic view of fig. 3 at B.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to fig. 1-5.
A quick-replaceable vertical positioning mandrel comprises a positioning seat 1 arranged on a tabletop, a mounting frame 4 arranged below the tabletop, and a jacking mechanism arranged on the ground, wherein the upper part of the positioning seat 1 is provided with a mandrel 2, the bottom of the mandrel 2 is provided with a clamping block 3, the inner side of the clamping block 3 is inclined, the upper part of the positioning seat 1 is provided with a sliding groove 14, the sliding groove 14 is internally provided with a guide rod 15 along the length direction thereof, the lower part of the clamping block 3 is connected with a sliding block 17, the sliding block 17 is arranged in the sliding groove 14 and sleeved on the guide rod 15, the guide rod 15 is sleeved with a first spring 16, two ends of the first spring 16 are respectively connected with the outer side of the sliding block 17 and the side wall of the sliding groove 14, the upper part of the mounting frame 4 is provided with a guide disc 5, a jacking rod 6 is penetrated and connected in the guide disc 5, the lower part of the jacking rod 6 is connected with a connecting, the mandrel 2 is internally provided with a movable groove 13 for the jacking rod 6 to lift, the jacking mechanism is positioned under the jacking block 9, and the jacking mechanism can push the jacking rod 6 to lift so as to extrude the clamping blocks 3 on two sides to move outwards.
Preferably, the inner and outer sides of the mounting frame 4 are provided with reinforcing plates 22.
Preferably, the jacking mechanism comprises a cylinder 10, a piston rod 11 is arranged in the cylinder 10, and a jacking ball 12 is arranged at the top end of the piston rod 11.
Preferably, the connecting rod 18 is sleeved with a second spring 19, one end of the second spring 19 abuts against the guide disc 5, and the other end of the second spring 19 abuts against the jacking block 9.
Preferably, the fixed sleeve 7 is installed at the lower part of the guide disc 5, the adjusting part 8 is connected with the fixed sleeve 7 through an internal thread, the connecting rod 18 is sleeved with the second spring 19, one end of the second spring 19 abuts against the adjusting part 8, and the other end of the second spring abuts against the jacking block 9.
After the positioning device 20 is sleeved on the mandrel 2, the cylinder 10 controls the piston rod 11 to ascend, the piston rod 11 drives the jacking ball 12 to ascend to contact the jacking block 9 and push the jacking block to move upwards, and the jacking block 9 drives the jacking rod 6 to move upwards through the connecting rod 18. The contact part of the jacking rod 6 and the fixture block 3 is an inclined surface, and the fixture block 3 is extruded in the ascending process of the jacking rod 6, so that the fixture block 3 moves outwards. Until the vertical part of the lifting rod 6 contacts with the inner side of the clamping block 3, the clamping block 3 moves to the outermost side position, the protruding part of the clamping block 3 extends into the fixed ring groove 21, and the clamping block 3 hooks the positioning tool 20 for fixing. When the lifting block is replaced, the air cylinder 10 controls the piston rod 11 to descend to the original position, so that the lifting ball 12 is separated from the support of the lifting block 9. The lifting rod 6 falls under the self gravity or the auxiliary action of the elastic force of the second spring 19, and the sliding block 17 moves inwards under the elastic force of the first spring 16, so that the clamping block 3 is driven to move inwards and retract into the mandrel 2, and the positioning device 20 can be taken down from the mandrel 2.
The adjusting part 8 is rotated in the fixing sleeve 7, the height of the fixing sleeve 7 exposed by the adjusting part is adjusted, the original state of the second spring 19 is changed, the compression amount of the second spring 19 when the lifting rod 6 is lifted to the highest position is changed, and the descending speed of the lifting rod 6 when the lifting rod is reset is adjusted.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides a quick replacement's vertical positioning core axle which characterized in that: the lifting device comprises a positioning seat (1) arranged on a desktop, a mounting frame (4) arranged under the desktop and a jacking mechanism arranged on the ground, wherein a mandrel (2) is arranged on the upper portion of the positioning seat (1), a clamping block (3) is arranged at the bottom of the mandrel (2), the inner side of the clamping block (3) is inclined, a sliding groove (14) is formed in the upper portion of the positioning seat (1), a guide rod (15) is arranged in the sliding groove (14) along the length direction of the sliding groove (14), a sliding block (17) is connected to the lower portion of the clamping block (3), the sliding block (17) is arranged in the sliding groove (14) and sleeved on the guide rod (15), a first spring (16) is sleeved on the guide rod (15), two ends of the first spring (16) are respectively connected with the outer side wall of the sliding block (17) and the side wall of the sliding, the cross-under has jacking rod (6) in deflector (5), jacking rod (6) sub-unit connection has connecting rod (18), connecting rod (18) lower extreme passes mounting bracket (4) and is connected with jacking piece (9), jacking rod (6) upper end both sides are the slope form and laminate with fixture block (3) inboard, movable groove (13) that supply jacking rod (6) to go up and down are seted up to dabber (2) inside, climbing mechanism is located jacking piece (9) under, climbing mechanism can promote jacking rod (6) to rise with the outside removal of fixture block (3) of extrusion both sides.
2. The quick-change vertical positioning mandrel as claimed in claim 1, wherein: reinforcing plates (22) are arranged on the inner side and the outer side of the mounting frame (4).
3. The quick-change vertical positioning mandrel as claimed in claim 1, wherein: the jacking mechanism comprises an air cylinder (10), a piston rod (11) is arranged in the air cylinder (10), and a jacking ball (12) is arranged at the top end of the piston rod (11).
4. A quick change vertical positioning mandrel as claimed in claim 1 or claim 3 wherein: the connecting rod (18) is sleeved with a second spring (19), one end of the second spring (19) is abutted to the guide disc (5), and the other end of the second spring (19) is abutted to the jacking block (9).
5. A quick change vertical positioning mandrel as claimed in claim 1 or claim 3 wherein: fixed cover (7) are installed to guiding disc (5) lower part, fixed cover (7) female connection has regulation portion (8), the cover is equipped with second spring (19) on connecting rod (18), second spring (19) one end is supported on regulation portion (8), and the other end supports on jacking piece (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020624393.4U CN212600494U (en) | 2020-04-23 | 2020-04-23 | Quick replacement's vertical positioning core axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020624393.4U CN212600494U (en) | 2020-04-23 | 2020-04-23 | Quick replacement's vertical positioning core axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212600494U true CN212600494U (en) | 2021-02-26 |
Family
ID=74711326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020624393.4U Active CN212600494U (en) | 2020-04-23 | 2020-04-23 | Quick replacement's vertical positioning core axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212600494U (en) |
-
2020
- 2020-04-23 CN CN202020624393.4U patent/CN212600494U/en active Active
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