CN111595223A - Wheel hub unit sealing washer detector of beating - Google Patents

Abstract

The invention discloses a wheel hub unit sealing ring runout detector which mainly comprises a flat plate base, a positioning base, a clamping jaw A, a clamping jaw B, a pull rod, a shaft sleeve, a positioning block A, a positioning rod, a cylinder positioning seat, a core shaft, a measuring block, a positioning screw foot A, a positioning screw foot B, a measuring rod, a moving position base, a positioning block B, a positioning core shaft, a pressure reducing valve gauge, a cylinder A, a cylinder B, a hand-pulled valve and a measuring meter. The invention solves the problem of detecting the jumping of the sealing ring of the hub unit and fills the blank of detecting the jumping of the sealing ring; the reference surface that detects is the external diameter, and the measuring state is comparatively unanimous with the in-service use condition, and the measuring result has the authenticity, and the reliability, measurement accuracy is higher, can further promote product quality.

Description

A kind of wheel hub unit sealing ring runout detector

technical field

The invention relates to the field of wheel hub bearings, in particular to a runout detector of a sealing ring of a wheel hub unit.

Background technique

A wheel bearing is an automotive component that carries weight and provides precise guidance for the rotation of the wheel. For the measurement of the runout of the seal ring of the hub unit, there is no corresponding equipment available under the existing production technical conditions, and it is mainly carried out by traditional measurement methods, which have problems such as low measurement accuracy and cumbersome operation.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the deficiencies existing in the prior art, and to provide a wheel hub unit sealing ring runout detector.

The purpose of the present invention is accomplished through the following technical solutions: this hub unit sealing ring runout detector mainly includes a flat base, a positioning base, a clamping jaw A, a clamping jaw B, a tie rod, a shaft sleeve, a positioning block A, a positioning rod , cylinder positioning seat, mandrel, measuring block, positioning screw foot A, positioning screw foot B, measuring rod, mobile base, positioning block B, positioning mandrel, pressure reducing valve pressure gauge, cylinder A, cylinder B, Hand-pull valve, measuring table, a positioning base is set above the flat base, a positioning block A is set on the back of the top of the positioning base and is connected with the cylinder A, the plunger of the cylinder A is connected with the positioning rod, and a clamping claw A is set in front of the positioning base. Claw A is provided with a pull rod and a shaft sleeve, the shaft sleeve is sleeved outside the pull rod, the front end of the pull rod is connected to the clamping claw B, the rear end of the pull rod is connected with the positioning rod, the positioning mandrel is fixed on the plate base, and the positioning mandrel is provided with a positioning block B and the mobile base, the mobile base is provided with a measuring rod horizontally, the front end of the measuring rod is provided with a measuring table, the four corners of the bottom of the flat base are provided with positioning screw feet A and B, and the lower part of the flat base is provided with a cylinder positioning The cylinder B is set in the cylinder positioning seat, the plunger of the cylinder B is connected with the mandrel, the head of the mandrel is provided with a measuring block, the left and right hand pull valves are set under the flat base, and the pressure reducing valve is set on the edge of the flat base pressure gauge.

The action parts of the clamping jaws A and B are two semicircles.

The beneficial effects of the invention are as follows: the invention solves the problem of detecting the runout of the sealing ring of the hub unit, and fills the blank of the detection of the runout of the sealing ring; The measurement results are authentic, reliable, and have high measurement accuracy, which can further improve product quality.

Description of drawings

FIG. 1 is a schematic structural diagram 1 of the present invention.

FIG. 2 is a schematic structural diagram 2 of the present invention.

Reference numeral description: flat base 1, positioning base 2, clamping jaw A3, clamping jaw B4, tie rod 6, shaft sleeve 7, positioning block A9, positioning rod 10, cylinder positioning seat 11, mandrel 12, measuring block 13, positioning Screw foot A14, positioning screw foot B15, measuring rod 16, movable base 17, positioning block B18, positioning mandrel 19, pressure reducing valve pressure gauge 20, cylinder A22, cylinder B23, hand pull valve 24, measuring table 25 .

Detailed ways

The present invention will be described in detail below in conjunction with the accompanying drawings:

Example: As shown in the attached drawings, this kind of hub unit sealing ring runout detector mainly includes a flat base 1, a positioning base 2, a clamping jaw A3, a clamping jaw B4, a tie rod 6, a shaft sleeve 7, a positioning block A9, and a positioning rod 10. Cylinder positioning seat 11, mandrel 12, measuring block 13, positioning screw foot A14, positioning screw foot B15, measuring rod 16, movable base 17, positioning block B18, positioning mandrel 19, pressure reducing valve pressure gauge 20. Cylinder A22, Cylinder B23, Hand Pull Valve 24, Measuring Table 25, Positioning Base 2 is set above the flat base 1, Positioning Base 2 is provided with a positioning block A9 on the top and back and is connected to the cylinder A22, the plunger of the cylinder A22 and the positioning rod 10 connection, the positioning base 2 is provided with a clamping claw A3 in front of the clamping claw A3 is provided with a pull rod 6 and a shaft sleeve 7, the shaft sleeve 7 is sleeved outside the pull rod 6, the front end of the pull rod 6 is connected to the clamp claw B4, and the rear end of the pull rod 6 is positioned at the same position The rod 10 is connected, the positioning mandrel 19 is fixed on the flat base 1, the positioning block B18 and the moving base 17 are arranged on the positioning mandrel 19, and the measuring rod 16 is laterally arranged on the moving base 17, and the front end of the measuring rod 16 is provided with There is a measuring table 25. There are positioning screw feet A14 and B15 at the bottom four corners of the flat base 1. A cylinder positioning seat 11 is set in the middle of the lower part of the flat base 1, and the cylinder B23 is set in the cylinder positioning seat 11. The plunger of the cylinder B23 Connected to the mandrel 12 , the head of the mandrel 12 is provided with a measuring block 13 , two left and right hand pull valves 24 are provided below the flat base 1 , and a pressure reducing valve pressure gauge 20 is provided on the side of the flat base 1 . The action parts of jaw A3 and jaw B4 are two semi-circles. It is necessary to ensure the concentricity of the two semi-circles, the tooling of the top flange and the two semi-circles of the outer diameter clamping, and there must be a positioning datum that is consistent with the design datum. Get higher precision.

The installation steps of the present invention:

1) Place the product to be tested on the measuring block 13 smoothly, so that the bottom surface of the product is in complete contact with the measuring block 13, open the hand-pull valve 24 on the left side, and the cylinder B23 connected by the air pipe drives the mandrel 12, the measuring block 13 and the measuring block 13. The test product rises slowly, and the end face of the outer ring of the product is in close contact with the bottom surface of the gripper A3 and the gripper B4.

2) Open the hand-pull valve 24 on the right side, and the cylinder A22 connected by the air pipe drives the positioning rod 10, the tie rod 6 and the clamping claw B4 to slowly move to the clamping claw A3, and locks the outer diameter of the outer ring.

3) Close the hand-pull valve 24 on the left side, drive the mandrel 12 through the cylinder B23, and the measuring block 13 slowly descends, so that the measuring block 13 is no longer in contact with the product to be tested.

The measuring steps of the present invention:

1) Fix the measuring table 25 on the measuring rod 16, turn the movable base 17 to make it away from the positioning block B18, after the rotation, the stylus of the measuring table 25 is on the surface to be measured, and adjust the position of the stylus of the measuring table 25 so that It is in contact with the measured surface.

2) Rotate the DUT with both hands, and rotate the DUT for more than one turn. The difference between the maximum value and the minimum value indicated by the measurement table 25 is the fluctuation of the outer diameter of the DUT.

When the product is measured, the positioning datum of the present invention is consistent with the design requirements, and the measurement position is consistent with the drawing requirements, which can reflect the beating result of the product to the greatest extent; The measurement results that are more consistent with the actual use are authentic and reliable.

It can be understood that, for those skilled in the art, equivalent replacements or changes to the technical solutions and inventive concepts of the present invention shall fall within the protection scope of the appended claims of the present invention.

Claims (2)

1. The utility model provides a wheel hub unit sealing washer detector of beating which characterized in that: mainly comprises a flat plate base (1), a positioning base (2), a clamping jaw A (3), a clamping jaw B (4), a pull rod (6), a shaft sleeve (7), a positioning block A (9), a positioning rod (10), a cylinder positioning seat (11), a mandrel (12), a measuring block (13), a positioning screw foot A (14), a positioning screw foot B (15), a measuring rod (16), a movable base (17), a positioning block B (18), a positioning mandrel (19), a pressure reducing valve gauge (20), a cylinder A (22), a cylinder B (23), a hand-pulling valve (24) and a measuring meter (25), wherein the positioning base (2) is arranged above the flat plate base (1), the positioning block A (9) is arranged on the back of the top of the positioning base (2) and connected with the cylinder A (22), a plunger of the cylinder A (22) is connected with the positioning rod (10), the clamping jaw A (3) is arranged in front of the, a pull rod (6) and a shaft sleeve (7) are arranged in the clamping jaw A (3), the shaft sleeve (7) is sleeved outside the pull rod (6), the front end of the pull rod (6) is connected with a clamping jaw B (4), the rear end of the pull rod (6) is connected with a positioning rod (10), a positioning mandrel (19) is fixed on the flat plate base (1), a positioning block B (18) and a movable base (17) are arranged on the positioning mandrel (19), a measuring rod (16) is transversely arranged on the movable base (17), a measuring meter (25) is arranged at the front end part of the measuring rod (16), positioning screw feet A (14) and a positioning screw foot B (15) are arranged at four corners below the flat plate base (1), an air cylinder positioning seat (11) is arranged at the middle part below the flat plate base (1), an air cylinder B (23) is arranged in the air cylinder positioning seat (11), a plunger of the air cylinder B (23) is connected with the mandrel (12), a measuring block, two hand-pulling valves (24) are arranged on the left and right sides of the lower portion of the flat plate base (1), and a pressure gauge (20) of a pressure reducing valve is arranged on the edge of the flat plate base (1).

2. The hub unit seal ring runout detector of claim 1, wherein: the action parts of the clamping jaw A (3) and the clamping jaw B (4) are two semicircles.

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