Half shaft positioning device

Abstract

The utility model provides a half shaft positioning device, and relates to the technical field of half shaft positioning, the half shaft positioning device comprises two clamping mechanisms which can be opened and closed to form a clamping space, the two clamping mechanisms can mutually slide along a straight line, and the two clamping mechanisms are close to each other to clamp a half shaft. Wherein one clamping mechanism slides along a straight line and is attached to the surface of the half shaft to detect the curvature of the half shaft, and a driving mechanism capable of rotating the half shaft is mounted on the side of the clamping mechanism. Whether the half shaft is bent or not can be detected through the two sliding clamping mechanisms, the two clamping mechanisms can confirm that the axes of the half shaft clamped by the two clamping mechanisms are located on the same axis through sliding of the sliding rods so that the half shaft can be machined conveniently, the distance between the two clamping mechanisms can be adjusted, and therefore machining efficiency is improved. The exposed area of the half shaft can be adjusted to facilitate machining.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of half shaft positioning especially relates to a half shaft positioning device. BACKGROUND

[0002] Half shaft is one of the common components in automobile, and is used for power transmission of automobile hub, generally used on the front wheel drive of automobile, and one half shaft can drive one hub, in the production and processing, the half shaft is generally pressed to form a new half shaft body after polishing, and in the polishing process, the two ends of the half shaft are clamped by processing equipment to make the half shaft rotate and then polished, but in the processing of the half shaft, the half shaft is not stable, and the position of the half shaft is easy to deviate, which leads to poor processing precision of the half shaft and affects the product qualification rate of the half shaft. SUMMARY

[0003] The utility model wants to solve the technical problem of providing a half shaft positioning device to solve the problem that the half shaft positioning may deviate during half shaft processing.

[0004] Based on the technical problems in the background art, the utility model provides a half shaft positioning device, which comprises two clamping mechanisms capable of forming a clamping space by being opened and closed, the two clamping mechanisms can slide along a straight line relative to each other, and the two clamping mechanisms clamp the half shaft by moving close to each other, one of the clamping mechanisms slides along the straight line and detects the bending degree of the half shaft by abutting against the surface of the half shaft, and a driving mechanism capable of rotating the half shaft is installed on the side of the clamping mechanism.

[0005] Preferably, the clamping mechanism comprises two clamping arms rotatably connected on the side, and the two clamping arms are provided with clamping grooves on the side facing each other, and the two clamping grooves form a clamping space capable of clamping the half shaft when the two clamping arms are closed.

[0006] Preferably, the clamping arm is rotatably provided with a roller body, and the roller body extends to the clamping groove on the side, and the side of the roller body is in contact with the side of the half shaft when the two clamping arms are closed.

[0007] Preferably, the side away from each other of the clamping arm is connected by a locking mechanism.

[0008] Preferably, the bottom of the clamping mechanism is provided with a workbench, one of the clamping mechanisms is fixedly installed on the workbench, and the other clamping mechanism can slide along the axis of the half shaft on the workbench.

[0009] Preferably, the clamping mechanisms are connected by a slide rod, the slide rod is connected with one of the clamping mechanisms, and the other clamping mechanism can slide along the slide rod, and the axis of the slide rod is parallel to the axis of the half shaft.

[0010] Preferably, the driving mechanism can drive the roller body of the clamping mechanism to rotate.

[0011] Compared with the prior art, the semi-axle positioning device adopts the technical scheme, and the following technical effects are achieved.

[0012] The utility model discloses can pass two sliding clamping mechanisms to examine whether semi-axle is bent, and the two clamping mechanisms can confirm the axis of the semi-axle clamped by two clamping mechanisms to be on the same axis to process semi-axle, the distance between two clamping mechanisms is adjustable, and the area of semi-axle leakage can be adjusted to facilitate processing. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the clamping mechanism closed schematic drawing of the utility model;

[0014] Figure 2 It is the clamping mechanism open schematic drawing of the utility model.

[0015] In the drawing: 100, clamping space, 1, clamping mechanism, 2, semi-axle, 3, drive mechanism, 11, clamping arm, 111, clamping groove, 12, roller body, 13, locking mechanism, 4, workbench, 5, slide rod. DETAILED DESCRIPTION

[0016] In the utility model, unless another definite provision and limitation, the terms "installation", "link", "connection", "fix" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated, can be mechanical connection, also can be electric connection or each other can communicate, can be direct connection, also can indirectly connect through intermediate medium, can be the intercommunication of two elements or the interaction of two elements, unless another definite limitation. For ordinary skilled in the art, can understand the concrete meaning of above-mentioned terms in the utility model according to specific circumstances.

[0017] In the utility model, unless another definite provision and limitation, the first feature is "on" or "under" the second feature, can be the direct contact of the first and second features, or the indirect contact of the first and second features through intermediate medium. Moreover, the first feature can be directly above or obliquely above the second feature, or just indicate that the horizontal height of the first feature is higher than the second feature. The first feature can be directly below or obliquely below the second feature, or just indicate that the horizontal height of the first feature is lower than the second feature.

[0018] EMBODIMENT

[0019] Please refer to Figures 1-2The utility model provides a half shaft positioning device, including two clamping mechanism 1 that can open and close and form the clamping space 100, two clamping mechanism 1 can mutually along linear sliding, two clamping mechanism 1 are completely same, the clamping space 100 formed by clamping mechanism 1 is cuboid clamping space 100, before clamping, two clamping mechanism 1 are close to each other and clamp half shaft 2, the central axis of clamping space 100 coincides with the axis of half shaft 2, whether straight through the sliding one of clamping mechanism 1 to detect half shaft 2, the path of clamping mechanism 1 sliding is parallel with the central axis of clamping space 100, if the axis of half shaft 2 meets the standard, two clamping mechanism 1 can ensure that the clamping of half shaft 2 does not deviate through linear sliding, improve the precision of half shaft 2 processing, and the side of clamping mechanism 1 is equipped with the drive mechanism 3 that can rotate half shaft 2.

[0020] In specific embodiments, referring to Figure 1 、 Figure 2 , clamping mechanism 1 includes two clamping arms 11 rotatably connected on the sides, one side of the two clamping arms 11 is provided with a clamping groove 111, the two clamping arms 11 are the same shape, and the two clamping arms 11 are rotatably connected to each other. In this application, the two clamping arms 11 of the clamping mechanism 1 are clamped from top to bottom, the upper clamping arm 11 can rotate, and the lower clamping arm 11 remains stationary. When the two clamping arms 11 are opened, the half shaft 2 can be placed in the clamping groove 111 of the lower clamping arm 11, and then the upper clamping arm 11 is closed. The clamping grooves 111 of the two clamping arms 11 form a clamping space 100 for clamping the half shaft 2.

[0021] In further embodiments, referring to Figure 1 、 Figure 2 After the two clamping arms 11 of the same clamping mechanism 1 are closed, the side of the two clamping arms 11 away from each other is connected by a locking mechanism 13, which can prevent the clamping mechanism 1 from loosening during sliding. Therefore, the clamping mechanism 1 cannot detect whether the half shaft 2 is bent during sliding, and it cannot ensure that the clamping of the clamping mechanism 1 on the half shaft 2 is on the same axis. Further, the locking mechanism 13 in this application is achieved by hand-tightening bolts. The clamping arms 11 of the same clamping mechanism 1 are each provided with an open screw groove on the side. The screw grooves of the two clamping arms 11 are tightened and fixed by hand-tightening bolts.

[0022] In specific embodiments, referring to Figure 1 、 Figure 2The roller body 12 is rotatably installed on the clamping arm 11, and the side surface of the roller body 12 extends into the clamping groove 111. When the two clamping arms 11 are closed, the side surface of the roller body 12 is in contact with the side surface of the half shaft 2. In the embodiment, the rotation axis of the roller body 12 rotatably installed on the clamping arm 11 is parallel to the axis of the half shaft 2, and the side surface of the roller body 12 is in close contact with the side surface of the half shaft 2. The roller body 12 has a certain elasticity, and when the half shaft 2 is driven to rotate, the roller body 12 can be driven to rotate, thereby avoiding the abrasion caused by the friction between the half shaft 2 and the clamping arm 11. In a further embodiment, the position of the roller body 12 on the clamping arm 11 is fixed, and the roller body 12 can also be arranged in an adjustable structure, and the roller body 12 can move towards or away from the clamping space 100, so as to adaptively clamp the half shaft 2 with different diameters.

[0023] In specific embodiments, referring to Figure 1 、 Figure 2 The bottom of the clamping mechanism 1 is provided with a workbench 4. One of the clamping mechanisms 1 is fixedly installed on the workbench 4, and the other clamping mechanism 1 can slide on the workbench 4 along the axis of the half shaft 2. The clamping mechanisms 1 are connected by a slide rod 5. The slide rod 5 is connected with one of the clamping mechanisms 1, and the other clamping mechanism 1 can slide along the slide rod 5. The axis of the slide rod 5 is parallel to the axis of the half shaft 2. In the embodiment, the sliding between the two clamping mechanisms 1 is limited by the straight slide rod 5, so that the sliding of the clamping mechanism 1 can always remain straight. The sliding of the clamping mechanism 1 can also be limited by the straight sliding groove arranged on the workbench 4.

[0024] In specific embodiments, referring to Figure 1 、 Figure 2 Figure 1 Figure 2 The driving mechanism 3 can drive the roller body 12 of the clamping mechanism 1 to rotate. The driving mechanism 3 can drive one of the roller bodies 12 of the clamping mechanism 1 to rotate. Since the roller body 12 is in close contact with the half shaft 2, the half shaft 2 can be driven to rotate under the action of friction.

[0025] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can make equivalent replacements or changes to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A semi-axle positioning device, characterized by, The utility model provides a kind of semi-axle bending degree testing device, including two clamping mechanisms (1) that can be opened and closed to form clamping space (100), two clamping mechanisms (1) can be mutually along straight line sliding, two clamping mechanisms (1) are close to each other and clamp semi-axle (2), wherein one clamping mechanism (1) is along straight line sliding and adheres to the surface of semi-axle (2) and detects the bending degree of semi-axle (2), and drive mechanism (3) that can rotate semi-axle (2) is installed in the side of clamping mechanism (1).

2. The axle positioning device of claim 1, wherein, The clamping mechanism (1) includes two clamping arms (11) rotatably connected on the sides, and the facing surfaces of the two clamping arms (11) are provided with clamping grooves (111), and when the two clamping arms (11) are closed, the two clamping grooves (111) can form a clamping space (100) for clamping the semi-axle (2).

3. The semi-axle positioning device of claim 2, wherein, The clamping arm (11) is rotatably provided with a roller body (12), and the side surface of the roller body (12) extends into the clamping groove (111), and when the two clamping arms (11) are closed, the side surface of the roller body (12) is in contact with the side surface of the semi-axle (2).

4. The semi-axle positioning device of claim 2, wherein, The surfaces of the two clamping arms (11) away from each other are connected by a locking mechanism (13).

5. The semi-axle positioning device of claim 1, wherein, The bottom of the clamping mechanism (1) is provided with a workbench (4), and one of the clamping mechanisms (1) is fixedly installed on the workbench (4), and the other clamping mechanism (1) can slide along the axis of the semi-axle (2) on the workbench (4).

6. The semi-axle positioning device of claim 1, wherein, The two clamping mechanisms (1) are connected by a slide rod (5), the slide rod (5) is connected with one of the clamping mechanisms (1), and the other clamping mechanism (1) can slide along the slide rod (5), and the axis of the slide rod (5) is parallel to the axis of the semi-axle (2).

7. The semi-axle positioning device of claim 3, wherein, The drive mechanism (3) can drive the roller body (12) of the clamping mechanism (1) to rotate.

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