Novel coaxiality detection device

Abstract

The utility model discloses a novel coaxiality detection device comprising a base plate, two ends of the base plate are respectively provided with a transverse adjustable positioning part and a height adjustable positioning part, the transverse adjustable positioning part comprises a first V-shaped block and a supporting rod, and the height adjustable positioning part comprises a second V-shaped block and a supporting rod. The supporting rods are arranged on the two sides of the right end of the bottom plate, perpendicular to the bottom plate and fixedly connected with the bottom plate in a transverse sliding mode, the tops of the supporting rods are fixedly connected with the first V-shaped block, and the height-adjustable positioning component comprises a second V-shaped block, a guide column, an adjusting screw rod and a hand wheel. The guide columns are arranged on the two sides of the left end of the bottom plate, perpendicular to the bottom plate and fixedly connected with the bottom plate, the second V-shaped block is arranged above the bottom plate and connected with the guide columns in a sliding mode, and the adjusting screw rod is arranged between the guide columns. The device is reasonable and simple in structure, convenient to operate, good in detection precision, stable and reliable, high in universality, and capable of detecting various shaft parts of different specifications.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing detection, in particular to a novel coaxiality detection device. Background Art

[0002] In the manufacturing industry, shaft parts are a common type of parts. Coaxiality is an important quality indicator, which directly affects the assembly and operation performance of the machine. The function of the coaxiality detection device is to detect whether the deviation between the measured axis of the shaft parts and the reference axis is within the allowable range. Usually, two identical blade-shaped V-blocks are used to support the reference part of the measured part, and then the measured part is measured by the meter method. It is suitable for shaft parts of a certain type or size. However, the company produces many types of shaft parts. The existing coaxiality detection device cannot be universal or directly measure the coaxiality, and cannot meet the company's coaxiality detection needs for shaft parts. There are limitations for diversified production needs. Utility Model Content

[0003] The purpose of the utility model is to provide a new coaxiality detection device to address the deficiencies in the prior art, expand its scope of application, meet the company's coaxiality detection needs for shaft parts, and improve detection efficiency.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A novel coaxiality detection device comprises a base plate, wherein both ends of the base plate are respectively provided with a laterally adjustable positioning component and a height adjustable positioning component, wherein the laterally adjustable positioning component comprises a first V-shaped block and a supporting rod, wherein the supporting rod is arranged on both sides of the right end of the base plate and is perpendicular to the base plate and is fixedly connected to the base plate in a laterally sliding manner, and the top of the supporting rod is fixedly connected to the first V-shaped block, and the height adjustable positioning component comprises a second V-shaped block, a guide column, an adjusting screw and a hand wheel, wherein the guide column is arranged on both sides of the left end of the base plate and is perpendicular to the base plate and is fixedly connected to the base plate, the second V-shaped block is arranged above the base plate and is slidably connected to the guide column, the adjusting screw is arranged between the guide columns, one end of the adjusting screw is rotatably connected to the base plate, and the other end is threadedly connected to the second V-shaped block, and the hand wheel is sleeved on the adjusting screw and is fixedly connected to the adjusting screw.

[0006] Furthermore, stepped waist-shaped holes with a smaller upper part and a larger lower part are opened laterally on both sides of the right end of the base plate, and T-shaped nuts are arranged in the large holes in the stepped waist-shaped holes. The width of the T-shaped nuts matches the width of the large holes in the stepped waist-shaped holes, and the lower end of the support rod passes through the stepped waist-shaped holes and is threadedly connected to the T-shaped nuts.

[0007] Furthermore, the first V-shaped block includes a first V-shaped plate and a first connecting plate, the first connecting plate is perpendicular to the first V-shaped plate and fixedly connected to the bottom of the first V-shaped plate, the support rod is provided with a step and supports the bottom of the first connecting plate through the step, and the top of the support rod passes through the first connecting plate and is fixedly connected to the first connecting plate through a hexagonal nut.

[0008] Furthermore, the second V-shaped block includes a second V-shaped plate and a second connecting plate, the second connecting plate is perpendicular to the second V-shaped plate and fixedly connected to the bottom of the second V-shaped plate, through holes are opened at both ends of the second connecting plate and a first guide sleeve is fixedly arranged in the through hole, and the guide column passes through the first guide sleeve in a matching manner.

[0009] Furthermore, a through hole is opened in the middle of the left end of the base plate and a second guide sleeve is fixedly arranged in the through hole, the lower part of the adjusting screw is matched and inserted into the second guide sleeve, and the upper part of the adjusting screw passes through the second connecting plate and is threadedly connected to the second connecting plate.

[0010] Furthermore, the rod body of the support rod is provided with a cutting plane.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model has a reasonable and simple structure, is easy to operate, has good detection accuracy, is stable and reliable, and has strong versatility. It can detect shaft parts of various specifications. It is provided with a laterally adjustable positioning component and a height-adjustable positioning component. By adjusting the lateral position of the first V-shaped plate, the coaxiality of parts of different lengths can be detected. By adjusting the height position of the second V-shaped plate, the coaxiality of parts with different shaft diameters or shaft diameter differences can be detected, thereby expanding the applicable detection range and improving the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 for Figure 1 Middle AA section view;

[0015] Figure 3 for Figure 1 Middle BB section view;

[0016] Figure 4 is a schematic diagram of the base plate;

[0017] In the figure: 1-bottom plate, 101-step waist hole, 2-first V-shaped block, 201-first V-shaped plate, 202-first connecting plate, 3-support rod, 301-cutting plane, 4-T-shaped nut, 5-hexagonal nut, 6-second V-shaped block, 601-second V-shaped plate, 602-second connecting plate, 7-guide column, 8-first guide sleeve, 9-adjusting screw, 10-handwheel, 11-second guide sleeve, 12-part to be measured. DETAILED DESCRIPTION

[0018] The utility model is described in detail below with reference to the accompanying drawings and specific embodiments. Example

[0019] See also Figure 1-Figure 4 A novel coaxiality detection device comprises a base plate 1, and both ends of the base plate 1 are respectively provided with a transversely adjustable positioning component and a height adjustable positioning component. The transversely adjustable positioning component comprises a first V-shaped block 2 and a support rod 3. The support rod 3 is arranged on both sides of the right end of the base plate 1 and is perpendicular to the base plate 1 and is fixedly connected to the base plate 1 in a transverse sliding manner. The top of the support rod 3 is fixedly connected to the first V-shaped block 2. The height adjustable positioning component comprises a second V-shaped block 6, a guide column 7, an adjusting screw 9 and a hand wheel 10. The guide column 7 is arranged at On both sides of the left end of the base plate 1 and perpendicular to the base plate 1 and fixedly connected with the base plate 1 by threads, the second V-shaped block 6 is arranged above the base plate 1 and is slidably connected with the guide column 7, the adjusting screw 9 is arranged between the guide columns 7, one end of the adjusting screw 9 is rotatably connected to the base plate 1, and the other end is threadedly connected to the second V-shaped block 6, the hand wheel 10 is sleeved on the adjusting screw 9 and fixedly connected with the adjusting screw 9, and the adjusting screw 9 can be driven to rotate by rotating the hand wheel 10, and the second V-shaped block 6 can be moved up and down under the action of thread transmission and the limiting action of the guide column 7.

[0020] Among them, stepped waist-shaped holes 101 with a small upper part and a large lower part are opened horizontally on both sides of the right end of the base plate 1. A T-shaped nut 4 is arranged in the large hole in the stepped waist-shaped hole 101. The width of the T-shaped nut 4 matches the width of the large hole in the stepped waist-shaped hole 101, so as to prevent the T-shaped nut 4 from rotating when the support rod 3 rotates. The lower end of the support rod 3 passes through the stepped waist-shaped hole 101 and is threadedly connected with the T-shaped nut 4. The T-shaped nut 4 can be tightened or loosened by rotating the support rod 3 in different directions.

[0021] Among them, the first V-shaped block 2 includes a first V-shaped plate 201 and a first connecting plate 202, the first connecting plate 202 is perpendicular to the first V-shaped plate 201 and welded to the bottom of the first V-shaped plate 201, the support rod 3 is provided with a step and supports the bottom of the first connecting plate 202 through the step, and the top of the support rod 3 passes through the first connecting plate 202 and is fixedly connected to the first connecting plate 202 through the hexagonal nut 5.

[0022] Among them, the second V-shaped block 6 includes a second V-shaped plate 601 and a second connecting plate 602, the second connecting plate 602 is perpendicular to the second V-shaped plate 601 and welded to the bottom of the second V-shaped plate 601, through holes are opened at both ends of the second connecting plate 602 and a first guide sleeve 8 is fixed in the through hole by interference fit, and the guide column 7 matches and passes through the first guide sleeve 8, so that the second connecting plate 602 can slide up and down along the axis of the guide column 7.

[0023] Among them, a through hole is opened in the middle of the left end of the base plate 1 and a second guide sleeve 11 is fixed in the through hole by interference fit. The lower part of the adjusting screw 9 is matched and inserted into the second guide sleeve 11, so that the adjusting screw 9 can rotate freely in the second guide sleeve 11. The upper part of the adjusting screw 9 passes through the second connecting plate 602 and is threadedly connected to the second connecting plate 602.

[0024] The rod body of the support rod 3 is provided with a cutting plane 301 , which is formed by milling, so that the support rod 3 can be rotated by clamping the cutting plane 301 with a wrench.

[0025] Working principle of this utility model:

[0026] First, use a wrench to rotate the support rod 3 to loosen the T-nut 4, move the support rod 3 left and right to a suitable position, then rotate the support rod 3 in the opposite direction and tighten the T-nut 4 to fix the support rod 3 and the first V-shaped block 2. Then, place the part 12 to be tested as shown in the figure. Figure 1 As shown, it is placed on the first V-shaped plate 201 and the second V-shaped plate 601. Turning the hand wheel 10 drives the adjusting screw 9 to rotate to move the second V-shaped plate 601 up or down until the part 12 to be tested is horizontal. The coaxiality of the part 12 to be tested can be detected by using the runout meter. When detecting the same kind of parts, it is only necessary to adjust the lateral position of the first V-shaped plate 201 and the height position of the second V-shaped plate 601 once when the parts are first inspected. Continuous inspections can be carried out subsequently, and the inspection efficiency is high. Different kinds of parts can adjust the lateral position of the first V-shaped plate 201 and the height position of the second V-shaped plate 601 by adjusting the supporting rod and the hand wheel respectively to meet the new inspection position requirements.

[0027] The utility model has reasonable and simple structure, convenient operation, good detection accuracy, stability and reliability, strong versatility, and can detect shaft parts of various specifications.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new type of coaxiality detection device, characterized in that: The invention comprises a bottom plate (1), wherein both ends of the bottom plate (1) are respectively provided with a transversely adjustable positioning component and a height-adjustable positioning component, wherein the transversely adjustable positioning component comprises a first V-shaped block (2) and a support rod (3), wherein the support rod (3) is arranged on both sides of the right end of the bottom plate (1) and is perpendicular to the bottom plate (1) and is fixedly connected to the bottom plate (1) in a transversely slidable manner, wherein the top of the support rod (3) is fixedly connected to the first V-shaped block (2), and the height-adjustable positioning component comprises a second V-shaped block (6), a guide column (7), and an adjusting screw. (9) and a handwheel (10), the guide pillars (7) are arranged on both sides of the left end of the base plate (1) and are perpendicular to the base plate (1) and fixedly connected to the base plate (1), the second V-shaped block (6) is arranged above the base plate (1) and is slidably connected to the guide pillars (7), the adjusting screw (9) is arranged between the guide pillars (7), one end of the adjusting screw (9) is rotatably connected to the base plate (1), and the other end is threadedly connected to the second V-shaped block (6), and the handwheel (10) is sleeved on the adjusting screw (9) and fixedly connected to the adjusting screw (9).

2. A novel coaxiality detection device according to claim 1, characterized in that: The right end of the bottom plate (1) is provided with stepped waist-shaped holes (101) which are smaller at the top and larger at the bottom in the transverse direction. A T-shaped nut (4) is arranged in the large hole in the stepped waist-shaped hole (101). The width of the T-shaped nut (4) matches the width of the large hole in the stepped waist-shaped hole (101). The lower end of the support rod (3) passes through the stepped waist-shaped hole (101) and is threadedly connected to the T-shaped nut (4).

3. A novel coaxiality detection device according to claim 1, characterized in that: The first V-shaped block (2) comprises a first V-shaped plate (201) and a first connecting plate (202); the first connecting plate (202) is perpendicular to the first V-shaped plate (201) and is fixedly connected to the bottom of the first V-shaped plate (201); the support rod (3) is provided with a step and supports the bottom of the first connecting plate (202) via the step; the top of the support rod (3) passes through the first connecting plate (202) and is fixedly connected to the first connecting plate (202) via a hexagonal nut (5).

4. A novel coaxiality detection device according to claim 1, characterized in that: The second V-shaped block (6) comprises a second V-shaped plate (601) and a second connecting plate (602); the second connecting plate (602) is perpendicular to the second V-shaped plate (601) and is fixedly connected to the bottom of the second V-shaped plate (601); through holes are provided at both ends of the second connecting plate (602) and first guide sleeves (8) are fixedly arranged in the through holes; the guide column (7) passes through the first guide sleeve (8) in a matching manner.

5. A novel coaxiality detection device according to claim 4, characterized in that: A through hole is provided in the middle of the left end of the bottom plate (1), and a second guide sleeve (11) is fixedly arranged in the through hole; the lower portion of the adjusting screw (9) is matched and inserted into the second guide sleeve (11); the upper portion of the adjusting screw (9) passes through the second connecting plate (602) and is threadedly connected to the second connecting plate (602).

6. A novel coaxiality detection device according to claim 1, characterized in that: The rod body of the support rod (3) is provided with a cutting plane (301).

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