CN220602415U - Straightness detection device for shaft workpiece - Google Patents

Abstract

The utility model discloses a straightness detection device for shaft workpieces, which comprises a base, wherein two groups of support frames are slidably arranged on the base, 2 rotating bearings are arranged on each group of support frames side by side, the shaft workpieces are placed on the rotating bearings and rotate along with the rotating bearings, a runout detector is arranged on one side of each support frame, and a detection end is arranged at the lower end of each runout detector and is in surface contact with the shaft workpieces. According to the utility model, through the support frame arranged on the base in a sliding manner and the rotating bearing arranged on the support frame, the utility model can adapt to the fact that shaft workpieces with different lengths are placed on the bearing to automatically rotate and match with the runout detector to perform straightness detection, the holes at the two ends of the shaft workpieces are not required to be fixedly clamped, the universality is high, the detection speed is high, and more than 800 shaft workpieces can be detected per hour; the utility model is made of the base, the supporting frame and the rotating bearing which are movably arranged on the base, and the runout detector, and has simple structure and lower manufacturing cost.

Description

Straightness detection device for shaft workpiece

Technical Field

The utility model belongs to the technical field of mechanical part detection, and particularly relates to a straightness detection device for shaft workpieces.

Background

Along with the higher and higher precision requirement of mechanical parts, after the shaft parts are processed in the prior art, the straightness of the shaft parts needs to be detected, and the most common detection instruments are a deflection instrument, a pneumatic measuring instrument and a linear measuring instrument. The deflection instrument is required to have center holes at two ends of a workpiece, and can be used for detection only by rotating after being clamped by the center holes, so that the universality is low and the detection efficiency is low; the pneumatic measuring instrument can only measure shorter parts, can not meet the detection of longer parts, and has higher price; the linear meter has lower detection speed and higher price.

Therefore, in machining, particularly in the production of mold parts, there are many shaft parts, and it is required to detect the straightness of the shaft parts at a high speed. Therefore, the detection device cannot meet the requirements, and the straightness detection device is needed to meet the conditions of simple structure, convenient operation, high detection speed and strong universality.

Disclosure of Invention

The utility model aims to overcome the defects, and provides the shaft workpiece straightness detection device which solves the problems of low detection speed, complex structure, inconvenient operation and poor universality of the shaft workpiece straightness detection device in the prior art.

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the utility model provides a axle type work piece straightness accuracy detection device, includes the base, and two sets of support frames are installed to the slip on the base, and all are equipped with 2 rolling bearing side by side on every support frame, and axle type work piece is placed on rolling bearing and is rotated along with rolling bearing is from rotating, one side of support frame is equipped with the detector that beats, and the lower extreme of the detector that beats is equipped with detection end and axle type work piece surface contact.

By adopting the structural design, the support frame arranged on the base and the rotating bearing arranged on the support frame can be displaced, so that shaft workpieces with different lengths can be placed on the bearing to perform straightness detection by self-rotating and matching with the runout detector, fixed clamping of holes at two ends of the shaft workpieces is not needed, the universality is strong, and the detection speed is high. The device is made of a base, a supporting frame movably arranged on the base, a rotating bearing and a runout detector, and has the advantages of simple structure and lower manufacturing cost.

Preferably, two groups of rails are arranged on the base, two groups of sliding grooves are correspondingly arranged below the supporting frame, and the supporting frame is slidably arranged on the rails through the sliding grooves.

By adopting the structural design, the support frame carries out displacement adjustment through the sliding groove matched rails arranged below, so that shaft workpieces with different lengths can be detected, and the universality is strong.

Preferably, the support frame comprises a connecting plate and a bearing mounting seat arranged on the connecting plate, and 2 rotating bearings are arranged on the bearing mounting seat side by side.

Preferably, the bearing mounting seat is fixedly connected with the connecting plate through a screw, a mounting hole is formed in the bearing mounting seat, the rotating bearing is arranged on the bearing mounting seat through a bearing mandrel, and a clamping spring is arranged at one mounting end of the rotating bearing for clamping and fixing.

By adopting the structural design, the support frame has the advantages of simple structure, convenient assembly and strong stability.

Preferably, the 4 rotating bearings rotatably arranged on the two groups of supporting frames are positioned at the same horizontal position, and a detection station is formed for placing the shaft workpiece to detect the flatness.

By adopting the structural design, when the straightness detection is carried out on the workpiece, the operation is simple, the workpiece is only required to be placed on the detection station to rotate, and the detection efficiency is extremely high.

Preferably, the jump detector is fixedly arranged on the base through a telescopic bracket, and the jump detector adopts a dial indicator.

By adopting the structural design, the jump detector is arranged with adjustable height, so that shaft workpieces with different diameters can be detected, and the universality is strong.

Preferably, a certain distance is reserved between 2 rolling bearings arranged on each group of supporting frames side by side to prevent interference, and the upper ends of the rolling bearings are higher than the upper end faces of the supporting frames.

By adopting the structural design, interference between the rotating bearings and interference between the shaft workpiece and the supporting frame are prevented, and the detection precision is improved.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the support frame arranged on the base in a sliding manner and the rotating bearing arranged on the support frame, the utility model can adapt to the fact that shaft workpieces with different lengths are placed on the bearing to automatically rotate and match with the runout detector to perform straightness detection, the holes at the two ends of the shaft workpieces are not required to be fixedly clamped, the universality is high, the detection speed is high, and more than 800 shaft workpieces can be detected per hour;

2. the utility model is made of the base, the supporting frame and the rotating bearing which are movably arranged on the base and the runout detector, and has simple structure and lower manufacturing cost;

3. when the straightness detection is carried out on the shaft type workpieces, the workpieces are only required to be placed on the detection stations to automatically rotate and the runout detector is observed, so that the detection efficiency is extremely high;

4. the height-adjustable setting of the runout detector can meet the detection of shaft workpieces with different diameters, and further improves the universality of the device.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:

FIG. 1 is a top view of the present utility model;

fig. 2 is a front view of fig. 1;

fig. 3 is a side view of fig. 1.

The shaft workpiece 100, the base 1, the support frame 2, the connecting plate 2a, the bearing mounting seat 2b, the rotating bearing 3, the runout detector 4, the detection end 4a, the expansion bracket 4b, the track 5, the chute 6, the bearing mandrel 7 and the clamp spring 8.

Detailed Description

In order to describe the technical content, the constructional features, the achieved objects and effects of the present utility model in detail, the following description is made in connection with the embodiments and the accompanying drawings.

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 to 3, a straightness detection device for shaft workpieces includes a base 1, wherein the base 1 is made of cast iron, and has a length of 1m and a width of 0.25m. Two groups of support frames 2 are slidably arranged on the base 1, 2 rotating bearings 3 are arranged on each group of support frames 2 side by side, and the shaft workpiece 100 is placed on the rotating bearings 3 and rotates along with the rotating bearings 3. The position of the supporting frame 2 can be adjusted according to the length of the shaft workpiece 100, a runout detector 4 is arranged on one side of the supporting frame 2, a detection end 4a is arranged at the lower end of the runout detector 4 and is in surface contact with the shaft workpiece 100, the shaft workpiece 100 is in contact with the detection end 4a when rotating automatically, and the straightness of the workpiece is measured through the reading of the runout detector 4. The utility model adopts the adjustable plurality of rotating bearings 3 to directly place the shaft workpiece 100 to automatically rotate for detection, has simple operation and high detection efficiency, detects more than 800 workpieces per hour, does not need to clamp the shaft workpiece 100 for rotation detection, and has strong universality. Secondly, this application adopts bottom plate 1, support frame 2 and rolling bearing 3 and cooperates the equipment of beating detector 4 to form, simple structure, and with low costs to several hundred yuan, for traditional detection device's several thousand yuan to ten thousand yuan, reduced detection cost.

Specifically, two groups of rails 5 are arranged on the base 1, two groups of sliding grooves 6 are correspondingly arranged below the supporting frame 2, and the supporting frame 2 is slidably arranged on the rails 5 through the sliding grooves 6. The support frame 2 comprises a connecting plate 2a and a bearing mounting seat 2b arranged on the connecting plate 2a, and 2 rotating bearings 3 are arranged on the bearing mounting seat 2b side by side. The bearing mounting seat 2b is fixedly connected with the connecting plate 2a through a screw, a mounting hole is formed in the bearing mounting seat 2b, the rotating bearing 3 is arranged on the bearing mounting seat 2b through a bearing mandrel 7, and a clamping spring 8 is arranged at one mounting end of the rotating bearing 3 for clamping and fixing. In this embodiment, the 4 rotation bearings 3 rotatably mounted on the two sets of support frames 2 are located at the same horizontal position, and form a detection station for placing the shaft workpiece 100 for flatness detection.

The runout detector 4 is fixedly arranged on the base 1 through a telescopic bracket 4b, so that the height of the shaft workpiece 100 with different diameters can be adjusted, and the runout detector 4 adopts a dial indicator.

In this embodiment, a certain distance is provided between the 2 rolling bearings 3 arranged on each group of supporting frames 2 side by side to prevent interference, and the upper ends of the rolling bearings 3 are higher than the upper end surface of the supporting frames 2.

The working principle of the utility model is as follows:

when the straightness of the shaft workpiece 100 is required to be detected, firstly, the shaft workpiece 100 is placed on a detection station, namely the rotating bearing 3, and meanwhile, the position of the runout detector 4 is adjusted to enable the detection end 4a to be in contact with the surface of the shaft workpiece 100, the shaft workpiece 100 automatically rotates, then the data of the runout detector 4 are manually read, the straightness of the workpiece is detected, and if the straightness of the workpiece does not meet the requirement, the workpieces are classified. The device is convenient to operate, high in efficiency and capable of detecting more than 800 per hour.

Variations and modifications to the above would be obvious to persons skilled in the art to which the utility model pertains from the foregoing description and teachings. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the utility model should be also included in the scope of the claims of the utility model. In addition, although specific terms are used in the present specification, these terms are used for convenience of description only and do not limit the present utility model in any way, and other devices identical or similar to the present utility model are used within the scope of the present utility model.

Claims (6)

1. The utility model provides a shaft class work piece straightness accuracy detection device, its characterized in that includes base (1), installs two sets of support frames (2) on base (1) slip, and all is equipped with 2 rolling bearing (3) side by side on every set of support frame (2), and shaft class work piece (100) are placed on rolling bearing (3) and are rotated along with rolling bearing (3), one side of support frame (2) is equipped with beats detector (4), and the lower extreme of beating detector (4) is equipped with detection end (4 a) and shaft class work piece (100) surface contact; the jump detector (4) is fixedly arranged on the base (1) through a telescopic bracket (4 b), and the jump detector (4) adopts a dial indicator.

2. The straightness detection device for shaft workpieces according to claim 1, wherein two groups of tracks (5) are arranged on the base (1), two groups of sliding grooves (6) are correspondingly arranged below the supporting frame (2), and the supporting frame (2) is slidably arranged on the tracks (5) through the sliding grooves (6).

3. The straightness detection device for shaft workpieces according to claim 2, wherein the supporting frame (2) comprises a connecting plate (2 a) and a bearing mounting seat (2 b) arranged on the connecting plate (2 a), and 2 rotating bearings (3) are arranged on the bearing mounting seat (2 b) side by side.

4. A straightness detection device for shaft workpieces according to claim 3, wherein the bearing mounting seat (2 b) is fixedly connected with the connecting plate (2 a) through a screw, a mounting hole is formed in the bearing mounting seat (2 b), the rotating bearing (3) is arranged on the bearing mounting seat (2 b) through a bearing mandrel (7), and a clamping spring (8) is arranged at the mounting end of the rotating bearing (3) for clamping and fixing.

5. The straightness detection device for shaft workpieces according to claim 1, wherein 4 rotating bearings (3) rotatably mounted on the two groups of supporting frames (2) are positioned at the same horizontal position, and a detection station is formed for placing the shaft workpieces (100) for straightness detection.

6. The straightness detection device for shaft workpieces according to claim 1, wherein a certain distance is reserved between 2 rotating bearings (3) arranged on each group of supporting frames (2) side by side to prevent interference, and the upper ends of the rotating bearings (3) are higher than the upper end faces of the supporting frames (2).