CN216681916U - Wheel hub radial positioning tool - Google Patents
Wheel hub radial positioning tool Download PDFInfo
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- CN216681916U CN216681916U CN202220186941.9U CN202220186941U CN216681916U CN 216681916 U CN216681916 U CN 216681916U CN 202220186941 U CN202220186941 U CN 202220186941U CN 216681916 U CN216681916 U CN 216681916U
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Abstract
The utility model relates to the technical field of hub machining, in particular to a radial positioning tool for a hub, which comprises a base main body, a floating positioning column, a supporting spring and a base baffle plate, wherein the base main body is used for being connected with a clamping apparatus, the base main body is provided with a vertical positioning hole for accommodating the floating positioning column, the floating positioning column is arranged in the positioning hole in a floating manner, the inner part of the floating positioning column is hollow, and the supporting spring is arranged in the inner space of the floating positioning column; the bottom of the supporting spring is supported by a base baffle plate, and the base baffle plate is fixedly connected with the base main body; the locating piece is arranged at the top of the floating locating column, and through the arrangement of the supporting spring, the floating locating column can adjust the moving distance along with the clamping force of the chuck, so that the radial locating of the locating piece on the hub is realized, the deformation interference of the hub and the locating piece caused by different clamping forces is avoided, and the phenomena of deviation, poor jumping, poor balance and the like caused by the locating limitation of the outer diameter of the hub in the hub machining process are prevented.
Description
Technical Field
The utility model relates to the technical field of hub machining, in particular to a radial positioning tool for a hub.
Background
The existing hub radial positioning block is of an integrated structure, the hub radial positioning mode is three-point positioning, namely 3 clamping beans on a chuck, the hub is sequentially positioned in a radial direction and then axially clamped, the hub is radially positioned and then axially clamped, the hub is displaced to cause positioning deviation in the axial clamping process after the hub is radially positioned, the radial clamping beans are interfered with the hub due to serious deformation, and the hub is subjected to one-step outer diameter deviation, poor jumping and poor balance after the hub is machined under the influence of internal force; in addition, because the hub is influenced by internal force in the processing process, stress is released after the hub is heated by spraying pretreatment, and bad complaints of balance and jumping of customers are caused; and because the axial positioning face and the radial positioning face of the hub positioning face can not ensure 100% to be qualified, the situation that the sizes of the positioning ring and the inner diameter of a product are inconsistent frequently occurs in the production process, the compatibility is extremely poor, the existing hub radial positioning block is seriously abraded, and the average service life is short.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides the hub radial positioning tool which is adjustable in positioning matching, good in adaptation and high in compatibility.
In order to realize the purpose, the utility model is realized by adopting the following technical scheme:
the hub radial positioning tool comprises a base main body, a floating positioning column, a supporting spring and a base baffle, wherein the base main body is used for being connected with a clamping tool, the base main body is provided with a vertical positioning hole for accommodating the floating positioning column, the floating positioning column is arranged in the positioning hole in a floating mode, the floating positioning column is hollow, and the supporting spring is arranged in the inner space of the floating positioning column; the bottom of the supporting spring is supported by a base baffle plate, and the base baffle plate is fixedly connected with the base main body; and the top of the floating positioning column is provided with a positioning block.
In a possible technical scheme, the base main body is in a two-step shape, wherein the height of a first step body is lower than that of a second step body, the positioning hole is formed in the second step body, and the first step body is provided with two through holes for being connected with the clamp.
In a possible technical scheme, the second step body is located at the circumferential direction of the positioning hole and provided with an installation groove, and the sealing rubber ring is installed in the installation groove.
In a possible technical scheme, the bottom of the base main body is arranged to be saw-toothed.
In a possible technical scheme, the lower side of the positioning hole is in a hollow shape, the radial dimension of the hollow space is larger than that of the positioning hole, a positioning disc is arranged at the lower part of the floating positioning column, and the positioning disc floats in the hollow space.
In a possible technical scheme, the positioning block is in a circular truncated cone shape, and the side angle of the positioning block is matched with the angle of a wheel lip of the hub.
Compared with the prior art, the utility model has the beneficial effects that: the base main body is matched and fixed with a chuck, a floating positioning column is supported by an internal supporting spring to bounce in a normal state, the floating positioning column reaches an upper limit position, when a hub is placed on the chuck, a positioning block is firstly contacted with a rim to radially position the hub, meanwhile, the axial direction of the hub is supported, the hub is axially tightened by a clamping jaw, the hub descends along with the clamping jaw pressing the rim until the hub is clamped, the supporting spring contracts according to the pressure of the clamping jaw and drives the floating positioning column to descend along with the downward movement of the clamping jaw clamping hub, the floating positioning column stops after the end face of the hub is contacted with a supporting block of a clamp, and the supporting spring automatically pops out when the clamping jaw is loosened, so that the floating positioning column is driven to pop out along with the supporting spring to lift the hub; by arranging the supporting spring, the floating positioning column can adjust the moving distance along with the clamping force of the chuck, the radial positioning of the positioning block on the hub is realized, meanwhile, the hub and the positioning block are prevented from deforming and interfering due to different clamping forces, the phenomena of deviation, poor jumping, poor balance and the like of the outer diameter of the hub due to positioning limitation in the hub machining process are prevented, the radial positioning compatibility of the hub is improved, and the applicability of the device is widened; the popularization and the application of the device are beneficial to reducing equipment loss of enterprises, improving the product quality and saving the production cost.
Drawings
FIG. 1 is a schematic longitudinal sectional structural view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of a floating positioning post;
FIG. 4 is a schematic view of the fitting structure of the present invention in a use state;
reference numerals: 1-a base body; 11-a first step body; 12-a second step body; 2-floating positioning columns; 21-positioning blocks; 22-a column; 23-positioning plate; 3-a support spring; 4-base baffle; 5-sealing rubber ring; 6-fastening the bolt.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model, but are not intended to limit the scope of the utility model.
As shown in fig. 1, the hub radial positioning tool according to the embodiment of the present invention includes a base main body 1, a floating positioning column 2, a supporting spring 3, and a base baffle 4, where the base main body 1 is used to connect with a fixture, the base main body may be in any suitable shape and size according to actual needs, the fixture is generally a chuck, preferably, the bottom end of the base main body is fixed to the chuck in a matching manner, and the fixing manner is not particularly limited, and may be applicable as long as the function of connecting with the fixture can be achieved; a vertical positioning hole for accommodating the floating positioning column 2 is formed in the base main body 1, the floating positioning column 2 is arranged in the positioning hole in a floating mode, the floating positioning column 2 is hollow, and the supporting spring 3 is installed in the inner space of the floating positioning column 2; the bottom of the supporting spring 3 is supported by a base baffle 4, and the base baffle 4 is fixedly connected with the base main body 1 through a fastening bolt 6; the top of the floating positioning column 2 is provided with a positioning block 21.
When a hub is clamped, at least 2 radial positioning tools of the hub are needed, the base body 1 is matched and fixed with a chuck, the internal supporting spring 3 supports the floating positioning column 2 to bounce in a normal state, the floating positioning column 2 reaches an upper limit position, when the hub is placed on the chuck, the positioning block 21 contacts a wheel rim firstly, the hub is positioned in the radial direction, the axial direction of the hub is supported, the hub is clamped by the clamping jaws, the hub descends along with the clamping jaws pressing the wheel rim until the hub is clamped, the supporting spring 3 contracts according to the pressure of the clamping jaws along with the downward movement of the clamping jaws clamping the hub, the floating positioning column 2 is driven to descend along with the downward movement of the clamping jaws until the end face of the hub contacts with the supporting block of the clamp and then stops, when the clamping jaw is loosened, the supporting spring 3 automatically pops out to drive the floating positioning column 2 to pop out along with the supporting spring 3 to support the hub; by arranging the supporting spring 3, the floating positioning column 2 can adjust the moving distance along with the clamping force of the chuck, so that the radial positioning of the positioning block 21 on the hub is realized, meanwhile, the hub and the positioning block are prevented from deforming and interfering due to different clamping forces, the phenomena of deviation, poor jumping, poor balance and the like of the outer diameter of the hub due to positioning limitation in the hub machining process are prevented, the radial positioning compatibility of the hub is improved, and the applicability of the device is widened; the popularization and the application of the device are beneficial to reducing equipment loss of enterprises, improving the product quality and saving the production cost.
In this embodiment, it is preferable that the base main body 1 is in a two-step shape, wherein the height of the first step body 11 is lower than the height of the second step body 12, and the positioning hole is disposed on the second step body 12, as shown in fig. 2, two strip-shaped through holes are disposed on the first step body 11, and bolts can be used to pass through the through holes to connect with the fixture.
The mounting groove of U type is seted up to second step body 12 circumference that is located the locating hole, and the mounting groove setting is 5 millimeters positions downwards at the top, and sealing rubber ring 5 installs in the mounting groove, plays sealed effect, prevents that fatlute, aluminium bits from getting into inside the base main part.
In order to strengthen the stability that base main part 1 is used for being connected with fixture, the bottom of base main part 1 sets up to the cockscomb structure, prevents that base main part from taking place the drunkenness and influencing the location effect in the wheel hub course of working.
As shown in fig. 3, the floating positioning column 2 comprises three parts, namely a positioning block 21, a column body 22 and a positioning disc 23 from top to bottom, the positioning disc 23 is connected to the periphery of the bottom end of the column body 22, the positioning disc 23 is annular, the diameter of the column body 22 is smaller than the inner diameter of the positioning hole, the outer diameter of the positioning disc 23 is larger than the inner diameter of the positioning hole, the lower side of the positioning hole is hollow, the radial dimension of the hollow space is larger than that of the positioning hole, and the positioning disc 23 floats in the hollow space along with the expansion and contraction of the supporting spring 3.
Preferably, the positioning block 21 is in a circular truncated cone shape, and the side angle of the positioning block 21 is matched with the wheel lip angle of the hub; for example, the angle between the side surface of the positioning block 21 and the plane is 98 degrees, and the positioning contact area is ensured by matching the angle with the wheel lip of the hub.
When the hub radial positioning tool provided by the embodiment of the utility model works, as shown in fig. 4, at least 2 hub radial positioning tools provided by the embodiment of the utility model are needed, the base body 1 is matched and fixed with a chuck, the internal supporting spring 3 supports the floating positioning column 2 to bounce in a normal state, the floating positioning column 2 reaches an upper limit position, when the hub is placed on the chuck, the positioning block 21 contacts with the rim to radially position the hub, the hub axial direction is supported by the clamping jaws, the hub is axially tightened by the clamping jaws, the hub descends along with the clamping jaws pressing the rim until the hub is clamped, the supporting spring 3 contracts according to the pressure of the clamping jaws and drives the floating positioning column 2 to descend until the end face of the hub contacts with the supporting block of the clamp, and the supporting spring 3 automatically pops up when the clamping jaws are loosened, the floating positioning column 2 is driven to pop up along with the supporting spring 3 to support the hub.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The radial positioning tool for the wheel hub is characterized by comprising a base main body (1), a floating positioning column (2), a supporting spring (3) and a base baffle (4), wherein the base main body (1) is used for being connected with a fixture, a vertical positioning hole for accommodating the floating positioning column (2) is formed in the base main body (1), the floating positioning column (2) is arranged in the positioning hole in a floating mode, the floating positioning column (2) is hollow, and the supporting spring (3) is installed in the inner space of the floating positioning column (2); the bottom of the supporting spring (3) is supported by a base baffle (4), and the base baffle (4) is fixedly connected with the base main body (1); and the top of the floating positioning column (2) is provided with a positioning block (21).
2. The radial hub positioning tool according to claim 1, wherein the base body (1) is in a two-step shape, the height of a first step body (11) is lower than that of a second step body (12), the positioning hole is formed in the second step body (12), and two through holes are formed in the first step body (11) and used for being connected with the fixture.
3. The radial hub positioning tool according to claim 2, wherein the second step body (12) is provided with a mounting groove in the circumferential direction of the positioning hole, and the sealing rubber ring (5) is mounted in the mounting groove.
4. The hub radial positioning tooling according to claim 3, wherein the bottom of the base main body (1) is serrated.
5. The radial wheel hub positioning tool according to claim 4, wherein the lower side of the positioning hole is hollowed, the radial dimension of the hollowed space is larger than that of the positioning hole, a positioning disc (23) is arranged at the lower part of the floating positioning column (2), and the positioning disc (23) floats in the hollowed space.
6. The radial hub positioning tool according to claim 5, wherein the positioning block (21) is in a circular truncated cone shape, and the side angle of the positioning block (21) is matched with the wheel lip angle of the hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220186941.9U CN216681916U (en) | 2022-01-24 | 2022-01-24 | Wheel hub radial positioning tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220186941.9U CN216681916U (en) | 2022-01-24 | 2022-01-24 | Wheel hub radial positioning tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216681916U true CN216681916U (en) | 2022-06-07 |
Family
ID=81823829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220186941.9U Active CN216681916U (en) | 2022-01-24 | 2022-01-24 | Wheel hub radial positioning tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216681916U (en) |
-
2022
- 2022-01-24 CN CN202220186941.9U patent/CN216681916U/en active Active
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