Clamping device for size detection of hole beam of bearing retainer

Abstract

The utility model discloses a clamping device for detecting the size of a hole beam of a bearing retainer, which belongs to the technical field of clamping devices and comprises a base, a motor is arranged on the outer surface of the base, the output end of the motor is fixedly connected with a shaft rod, the top end of the shaft rod is fixedly connected with a placing disc, and the placing disc is fixedly connected with a clamping device. A positioning device is arranged at the top end of the placing disc, the positioning device comprises two sliding blocks, the outer surface of a screw rod is in threaded connection with a threaded ring, two sliding grooves are formed in the top end of the placing disc, and a spring is arranged on one side of each sliding block. The inner ring of the retainer is clamped on the outer sides of the two positioning blocks or the retainer is clamped between the two positioning blocks, and the retainer is fixed on the outer surface of the placing disc in a manner of positioning the outer ring or the inner ring of the retainer, so that the size of the outer ring or the inner ring of the retainer can be conveniently detected; and the accuracy of fixing and detecting the retainer through the clamping device is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to clamping device technical field, specifically for a kind of for bearing retainer hole beam size detection clamping device. BACKGROUND

[0002] Bearing retainer is an important component in bearing, for equidistantly separating rolling body (such as ball or roller) etc., prevent them from contacting each other to reduce friction, and guide rolling body in no-load area to improve rolling condition in bearing, prevent the occurrence of damaging sliding.

[0003] Bearing retainer needs to be detected by various detection mechanisms after being made, and the appearance and inner diameter and outer diameter of the retainer are detected, and the size detection device is used to detect the size of the retainer, and the retainer is positioned by using the clamping device, so that the size detection is facilitated.

[0004] When the size of the retainer is detected, the clamping device can only clamp the inner ring or outer ring of the retainer, and the inner diameter or outer diameter of the retainer is detected by manually pushing the retainer to rotate, so that the detection efficiency of the retainer is not high, and the practicality of the clamping device is not high. UTILITY MODEL CONTENTS

[0005] (I) Technical problem solved

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a clamping device for bearing retainer hole beam size detection, which solves the problem that the clamping device can only clamp the inner ring or outer ring of the retainer when the size of the retainer is detected, and the inner diameter or outer diameter of the retainer is detected by manually pushing the retainer to rotate, so that the detection efficiency of the retainer is not high, and the practicality of the clamping device is not high.

[0007] (II) Technical scheme

[0008] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a clamping device for bearing retainer hole beam size detection, including base, the outer surface of base is provided with motor, the output end of motor is fixedly connected with shaft, the outer surface of shaft rotates in the inner wall of base, the top end of shaft is fixedly connected with placing disc, the top end of placing disc is provided with positioning device, the positioning device includes two sliding blocks, the upper and lower ends of sliding block are fixedly connected with positioning block and screw rod respectively, the outer surface of screw rod is threadedly connected with screw ring, the top end of placing disc is provided with two sliding grooves, the outer surfaces of two sliding blocks respectively slide in the inner walls of two sliding grooves, one side of sliding block is provided with spring, the two ends of spring are respectively fixedly connected with one side of sliding block and one side of the inner wall of sliding groove.

[0009] As a further scheme of the utility model: the outer surface of the positioning block is fixedly connected with a plurality of convex strips, and the convex strips are made of rubber material.

[0010] As a further scheme of the utility model: one side of the sliding block is fixedly connected with a positioning rod, and the outer surface of the positioning rod slides on the inner wall of the placement disc.

[0011] As a further scheme of the utility model: the top end of the threaded ring is fixedly connected with a gasket, and the gasket is made of rubber material.

[0012] As a further scheme of the utility model: the bottom end of the screw rod is fixedly connected with a stop block, and the length of the stop block is greater than the diameter of the screw rod.

[0013] As a further scheme of the utility model: the top end of the base is provided with an auxiliary device, the auxiliary device comprises an elastic rope, one end of the elastic rope is fixedly connected with the top end of the base, the end of the elastic rope away from the base is fixedly connected with a grease pencil, and the top end of the placement disc is fixedly connected with a whiteboard ring.

[0014] As a further scheme of the utility model: the top end of the base is fixedly connected with two plastic rectangular blocks, and the distance between the two rectangular blocks is slightly greater than the diameter of the grease pencil.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] 1、This clamping device for bearing retainer hole beam size detection, through setting positioning device, when detecting retainer, the inner ring of retainer is clamped outside two positioning blocks or retainer is clamped between two positioning blocks, the outer surface of retainer is fixed on placement disc through the positioning mode of outer ring or inner ring of retainer, the size of outer ring or inner ring of retainer is conveniently detected, and the accuracy when fixing and detecting retainer through clamping device is improved.

[0018] 2、This clamping device for bearing retainer hole beam size detection, the angle between sliding block and placement disc can be further limited through positioning rod, the angle of sliding block is avoided to incline as far as possible, and the positioning effect of positioning block on retainer is improved.

[0019] 3、This clamping device for bearing retainer hole beam size detection, through setting auxiliary device, when the surface size of retainer deviates, after the rotation of shaft rod is stopped, the outer surface of whiteboard ring can be marked using grease pencil, and it is convenient to control detection instrument to use higher-precision detection head to observe the surface size deviation of retainer. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0021] Figure 2 It is a structure schematic view of the utility model base;

[0022] Figure 3 It is a structure schematic view of the utility model screw rod;

[0023] Figure 4 It is a structure schematic view of the utility model sliding block.

[0024] In the drawing: 1, base; 2, positioning device; 3, auxiliary device; 4, motor; 5, shaft; 6, placing disc; 21, sliding groove; 22, sliding block; 23, spring; 24, positioning block; 25, screw rod; 26, threaded ring; 27, convex strip; 28, positioning rod; 29, gasket; 210, stop block; 31, whiteboard ring; 32, elastic rope; 33, oil pen; 34, rectangular block. Specific embodiments

[0025] The technical scheme of the patent will be further described in detail in combination with specific embodiments.

[0026] For example, Figures 1-4The utility model provides a technical scheme: a clamping device for bearing retainer hole beam size detection, including base 1, the outer surface of base 1 is provided with motor 4, the output fixedly connected with axle rod 5 of motor 4, the outer surface of axle rod 5 rotates in the inner wall of base 1, the top fixedly connected with placing tray 6 of axle rod 5, the top of placing tray 6 is provided with positioning device 2, positioning device 2 includes two sliders 22, the upper and lower ends of slider 22 are fixedly connected with positioning block 24 and screw rod 25 respectively, the outer surface of screw rod 25 is threadedly connected with screw ring 26, the top of placing tray 6 is equipped with two sliding grooves 21, the outer surfaces of two sliders 22 respectively slide in the inner walls of two sliding grooves 21, one side of slider 22 is provided with spring 23, and both ends of spring 23 are fixedly connected with one side of slider 22 and the inner wall side of sliding groove 21 respectively, by setting slider 22, when the outer ring size of bearing retainer is detected, the retainer is placed on the outer surface of placing tray 6, the retainer inner ring is clamped on the outer side of two positioning blocks 24, the bearing pushes positioning block 24 to slide in the inner wall of sliding groove 21 and compresses spring 23, the retainer is clamped on the outer surface of two positioning blocks 24, then screw ring 26 is pushed at the screw rod 25 at the bottom of two sliders 22 to rotate, makes screw ring 26 move upwards on the outer surface of screw rod 25, and one side of screw ring 26 is pressed tightly at the bottom of placing tray 6, the position of slider 22 and positioning block 24 is fixed, when the retainer inner ring size is detected, the retainer outer ring is clamped on the side of two positioning blocks 24 close to each other, makes two sliders 22 move in the inner wall of sliding groove 21 towards the direction away from each other and lengthen spring 23 simultaneously, makes two positioning blocks 24 clamp the retainer in the middle, then screw ring 26 is rotated and pressed tightly at the bottom of placing tray 6, the position of the retainer on the outer surface of placing tray 6 is fixed, after the retainer size detection is completed, screw ring 26 is rotated to make screw ring 26 away from the outer surface of placing tray 6, and then the retainer is taken out, the spring 23 in the inside of sliding groove 21 is restored to the original state and moves slider 22 and positioning block 24 to the original position to facilitate next use, by setting positioning device 2, when the retainer is detected, the retainer inner ring is clamped on the outer side of two positioning blocks 24 or the retainer is clamped between two positioning blocks 24, the retainer is fixed on the outer surface of placing tray 6 by the positioning mode of the outer ring or inner ring of the retainer, convenient for the size detection of the outer ring or inner ring of the retainer, improves the accuracy when the retainer is fixed and detected through the clamping device.

[0027] Specifically, as Figures 2-4As shown, the outer surface of the positioning block 24 is fixedly connected with a plurality of convex strips 27, the convex strips 27 are made of rubber material, by setting the convex strips 27 of rubber material, the friction when the positioning block 24 contacts with the outer surface of the retainer can be increased, so that the positioning block 24 is more stable when fixing the position of the retainer, and the retainer is not easy to slide, one side of the sliding block 22 is fixedly connected with a positioning rod 28, the outer surface of the positioning rod 28 slides on the inner wall of the placement disc 6, the outer surface of the positioning rod 28 will slide on the inner wall of the placement disc 6 when the sliding block 22 moves, the angle between the sliding block 22 and the placement disc 6 can be further limited by the positioning rod 28, and the angle of the sliding block 22 is as far as possible to avoid deflection.

[0028] Specifically, as shown in the figure, Figures 2-4 The top end of the threaded ring 26 is fixedly connected with a gasket 29, the gasket 29 is made of rubber material, rotating the threaded ring 26 can press the side of the threaded ring 26 provided with the rubber gasket 29 against the outer surface of the placement disc 6 to fix the position of the sliding block 22 more stably and not easily slide, the bottom end of the screw rod 25 is fixedly connected with a stop block 210, the length of the stop block 210 is greater than the diameter of the screw rod 25, by setting the stop block 210, the movement range of the threaded ring 26 on the outer surface of the screw rod 25 can be limited, and the threaded ring 26 is as far as possible to avoid falling off the screw rod 25 when moving on the outer side of the screw rod 25.

[0029] Specifically, as shown in the figure, Figures 1-2 The top end of the base 1 is provided with an auxiliary device 3, the auxiliary device 3 comprises an elastic rope 32, one end of the elastic rope 32 is fixedly connected with the top end of the base 1, the end of the elastic rope 32 away from the base 1 is fixedly connected with a grease pencil 33, the top end of the placement disc 6 is fixedly connected with a whiteboard ring 31, when the retainer is fixed on the outer surface of the placement disc 6 for detection, if the surface size of the retainer deviates, after stopping the rotation of the shaft 5, the grease pencil 33 can be used to mark on the outer surface of the whiteboard ring 31, so that the higher-precision detection head of the detection instrument can be used to observe the surface size deviation of the retainer, the top end of the base 1 is fixedly connected with two plastic rectangular blocks 34, the distance between the two rectangular blocks 34 is slightly greater than the diameter of the grease pencil 33, when the grease pencil 33 is not used, the grease pencil 33 can be clamped between the two rectangular blocks 34, and the position of the grease pencil 33 on the outer surface of the base 1 is limited.

[0030] The working principle of the utility model is:

[0031] When the outer ring size of the bearing retainer is detected, the retainer is placed on the outer surface of the placing disc 6, the inner ring of the retainer is clamped on the outer side of the two positioning blocks 24, the bearing pushes the positioning blocks 24 to slide on the inner wall of the sliding groove 21 and compresses the spring 23, the retainer is clamped on the outer surface of the two positioning blocks 24, then the threaded ring 26 is pushed at the screw rod 25 at the bottom end of the sliding block 22 to rotate, the threaded ring 26 moves upward on the outer surface of the screw rod 25, one side of the threaded ring 26 is pressed tightly on the bottom end of the placing disc 6, the positions of the sliding block 22 and the positioning block 24 are fixed, when the inner ring size of the retainer is detected, the outer ring of the retainer is clamped on the side where the two positioning blocks 24 are close to each other, the two sliding blocks 22 move in the direction away from each other on the inner wall of the sliding groove 21 while the spring 23 is elongated, the two positioning blocks 24 clamp the retainer in the middle, then the threaded ring 26 is rotated again and pressed tightly on the bottom end of the placing disc 6, the position of the retainer on the outer surface of the placing disc 6 is fixed, the detection probe of the detection equipment is aligned with the edge of the retainer, the motor 4 drives the shaft rod 5 and the placing disc 6 to rotate, the size of the retainer is detected by the detection equipment, when the surface size of the retainer deviates during detection, the rotation of the shaft rod 5 is stopped, the oil pen 33 can be used to mark on the outer surface of the whiteboard ring 31, which is convenient for the control detection instrument to use a higher-precision detection head to observe the surface size deviation of the retainer, after the detection is completed, the threaded ring 26 is rotated to move away from the outer surface of the placing disc 6, and then the retainer is taken out, the spring 23 in the sliding groove 21 is restored to its original state and drives the sliding block 22 and the positioning block 24 to move back to the original position for next use.

[0032] In the description of the present application, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] The above describes the preferred embodiment of the present application in detail, but the present application is not limited to the above embodiment, and various changes can be made within the knowledge of ordinary skilled persons in the art without departing from the purpose of the present application.

Claims

1. A clamping device for bearing cage beam size detection, comprising a base (1), characterized in that: The outer surface of the base (1) is provided with motor (4), the output end of motor (4) is fixedly connected with shaft rod (5), the outer surface of shaft rod (5) rotates on the inner wall of base (1), the top end of shaft rod (5) is fixedly connected with placing disc (6), the top end of placing disc (6) is provided with positioning device (2), positioning device (2) includes two sliders (22), the upper and lower ends of slider (22) are fixedly connected with positioning block (24) and screw rod (25) respectively, the outer surface of screw rod (25) is threadedly connected with threaded ring (26), the top end of placing disc (6) is provided with two sliding grooves (21), the outer surfaces of two sliders (22) respectively slide on the inner walls of two sliding grooves (21), one side of slider (22) is provided with spring (23), the two ends of spring (23) are fixedly connected with one side of slider (22) and one side of the inner wall of sliding groove (21) respectively.

2. The clamping device for bearing retainer hole beam size detection of claim 1, wherein: The outer surface of the positioning block (24) is fixedly connected with a plurality of convex strips (27), and the convex strips (27) are made of rubber material.

3. The clamping device for bearing retainer hole beam size detection of claim 2, wherein: One side of the slider (22) is fixedly connected with a positioning rod (28), and the outer surface of the positioning rod (28) slides on the inner wall of the placing disc (6).

4. The clamping device for bearing retainer hole beam size detection of claim 3, wherein: The top end of the threaded ring (26) is fixedly connected with a gasket (29), and the gasket (29) is made of rubber material.

5. The clamping device for bearing retainer hole beam size detection of claim 4, wherein: The bottom end of the screw rod (25) is fixedly connected with a stop block (210), and the length of the stop block (210) is greater than the diameter of the screw rod (25).

6. The clamping device for bearing retainer hole beam size detection of claim 5, wherein: The top end of the base (1) is provided with an auxiliary device (3), the auxiliary device (3) includes an elastic rope (32), one end of the elastic rope (32) is fixedly connected with the top end of the base (1), the end of the elastic rope (32) away from the base (1) is fixedly connected with a marker (33), and the top end of the placing disc (6) is fixedly connected with a whiteboard ring (31).

7. The clamping device for bearing retainer hole beam size detection of claim 6, wherein: The top end of the base (1) is fixedly connected with two plastic rectangular blocks (34), and the distance between the two rectangular blocks (34) is slightly greater than the diameter of the marker (33).

Images