Shaft part external diameter detection device

By designing an outer diameter detection device for shaft components, which utilizes a base plate, column, and motor-driven push rod to contact the detection part, automated outer diameter detection is achieved, solving the problem of errors in the detection of large batches of shaft components and improving detection accuracy and efficiency.

CN223856366UActive Publication Date: 2026-01-30SEAMAX MFG PTE LTD
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Patent Information

Application Number
CN202520577383.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-01-30
Estimated Expiration
2035-03-31

AI Technical Summary

Technical Problem

After mass production of shaft parts, manual inspection is prone to errors, affecting production quality and assembly accuracy.

Method used

A device for detecting the outer diameter of shaft components was designed, including a base plate, a column, a positioning unit, and a detection unit. The shaft components are fixed by control buttons, and the outer diameter is automatically detected by using a test gauge and a motor-driven push rod to contact the test piece, thereby reducing errors.

Benefits of technology

This improved the accuracy and efficiency of inspection, reduced inspection errors, and ensured the production quality and assembly precision of shaft components.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223856366U_ABST
    Figure CN223856366U_ABST
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Abstract

The utility model provides an external diameter detection device for shaft parts, which comprises a bottom plate, a support plate arranged on the bottom plate, and a control button arranged on the support plate and connected with the detection part; the stand column is arranged on the bottom plate; the positioning unit is arranged on the stand column and electrically connected with the control button, and the positioning unit comprises a positioning rod abutting against the detection piece; and the detection unit comprises a fixed ejector rod, a shell and a detection meter arranged on the shell. According to the device for detecting the outer diameter of the shaft part provided by the utility model, the detection piece is placed on the supporting disc to press the control button, so that the positioning unit is driven to position and fix the detection piece, then the detection unit is moved to enable the ejector rod to be in contact with the detection ring surface, and whether the outer diameter of the detection piece is within a qualified interval is judged through the detection meter; therefore, the detection precision is improved, and the phenomenon of detection errors is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to detection device technical field, concretely related to a shaft class spare outside diameter detection device. BACKGROUND

[0002] Shaft detection is one of important steps of guaranteeing product good quality and performance in mechanical processing, after shaft class spare production ends, the outside diameter of shaft class spare is often detected to ensure that its shape and size all conform to design demand, thereby improving the assembly precision of subsequent shaft class and other spares.

[0003] In the production process of hydrogen energy automobile hydrogen storage bottle spare, in order to improve the sealing and flow control of hydrogen storage bottle, a bottle mouth valve is often installed at the bottle mouth, and the parts in the bottle mouth valve are mostly shafts, and the shaft parts need high assembly precision to improve the sealing of hydrogen storage bottle, so accurate measurement data is needed after the production of the shaft spare.

[0004] After the production of a large number of shaft class spares ends, they need to be detected one by one, since multiple shaft sections of a single shaft class spare need to be measured, workers often hold the shaft section by vernier caliper and twist to obtain accurate measurement value, but when a large number of shaft class spares or a large number of shaft sections exist, manual detection is easy to miss detection, thereby generating defective products and affecting the production quality of shaft class spares. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the above problems existing in prior art.

[0006] In order to realize the above purpose, the utility model can realize through the following technical scheme: a shaft class spare outside diameter detection device, comprising a detection piece, further comprising:

[0007] A bottom plate is provided with a support disc, and the support disc is provided with a control button matched with the detection piece;

[0008] A stand is arranged on the bottom plate;

[0009] A positioning unit is arranged on the stand and electrically connected with the control button, and the positioning unit comprises a positioning rod abutting against the detection piece;

[0010] A detection unit is arranged on the stand in a sliding mode, and the detection unit comprises a top rod, a shell and a detection table arranged on the shell, a right-angle rotating plate matched with the detection table output end is arranged in the shell in a rotating mode, and the top rod is arranged in the shell in a sliding mode and abuts against the right-angle rotating plate.

[0011] The utility model discloses a right angle rotation board one side is provided with the limiting block, and one side is provided with the first spring that cooperates with the shell at its other side, the first spring pushes the right angle rotation board and the limiting block and abuts.

[0012] The utility model discloses a right angle rotation board one side is provided with the limiting block, and one side is provided with the first spring that cooperates with the shell at its other side, the first spring pushes the right angle rotation board and the limiting block and abuts.

[0013] The utility model discloses a right angle rotation board one side is provided with the limiting block, and one side is provided with the first spring that cooperates with the shell at its other side, the first spring pushes the right angle rotation board and the limiting block and abuts.

[0014] The utility model discloses a right angle rotation board one side is provided with the limiting block, and one side is provided with the first spring that cooperates with the shell at its other side, the first spring pushes the right angle rotation board and the limiting block and abuts.

[0015] The utility model discloses a right angle rotation board one side is provided with the limiting block, and one side is provided with the first spring that cooperates with the shell at its other side, the first spring pushes the right angle rotation board and the limiting block and abuts.

[0016] The utility model discloses a right angle rotation board one side is provided with the limiting block, and one side is provided with the first spring that cooperates with the shell at its other side, the first spring pushes the right angle rotation board and the limiting block and abuts.

[0017] The utility model discloses a right angle rotation board one side is provided with the limiting block, and one side is provided with the first spring that cooperates with the shell at its other side, the first spring pushes the right angle rotation board and the limiting block and abuts.

[0018] The utility model discloses a right angle rotation board one side is provided with the limiting block, and one side is provided with the first spring that cooperates with the shell at its other side, the first spring pushes the right angle rotation board and the limiting block and abuts.

[0019] The utility model discloses a right angle rotation board one side is provided with the limiting block, and one side is provided with the first spring that cooperates with the shell at its other side, the first spring pushes the right angle rotation board and the limiting block and abuts.

[0020] The utility model discloses a right angle rotation board one side is provided with the limiting block, and one side is provided with the first spring that cooperates with the shell at its other side, the first spring pushes the right angle rotation board and the limiting block and abuts.

[0021] Compared with the prior art, the advantages of the present application are as follows: the detection piece is placed on the support disc to press the control button, which drives the positioning unit to position and fix the detection piece, then the detection unit is moved, the top rod contacts the detection ring surface, and the detection table is used to judge whether the outer diameter of the detection piece is within the qualified range, thereby improving the detection precision and reducing the phenomenon of detection error. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the assembly structure schematic diagram of total part;

[0023] Figure 2is a schematic view of an exploded structure of parts in the positioning unit;

[0024] Figure 3 is a schematic view of an exploded structure of parts in the detection unit;

[0025] Figure 4 is a schematic view of a half-sectioned plane of the overall and part of the detection unit.

[0026] Explanation of reference signs:

[0027] 1, bottom plate; 11, support disc; 12, control button; 2, detection unit; 21, sliding carriage; 22, support plate; 23, detection table; 24, top rod; 241, sliding block; 242, scale line; 25, housing; 251, arc-shaped part; 252, first spring; 253, right-angle turning plate; 254, limiting block; 26, side plate; 27, screw rod; 3, stand; 30, position sensor; 31, sliding rail; 32, rack; 4, positioning unit; 41, support frame; 411, gear; 412, first motor; 43, second motor; 44, clamping sleeve; 45, second spring; 46, ring sleeve; 461, groove; 47, positioning rod; 48, guide sleeve; 5, detection piece. DETAILED DESCRIPTION

[0028] The following is a specific embodiment of the present application and further describes the technical solution of the present application in combination with the drawings.

[0029] As shown in Figures 1-4 A shaft part outer diameter detection device, comprising a detection piece 5, further comprising:

[0030] A bottom plate 1, the bottom plate 1 is provided with a support disc 11, the support disc 11 is provided with a control button 12 of the detection piece 5;

[0031] A stand 3, the stand 3 is arranged on the bottom plate 1;

[0032] A positioning unit 4, the positioning unit 4 is arranged on the stand 3 and is electrically connected with the control button 12, the positioning unit 4 comprises a positioning rod 47 abutting against the detection piece 5;

[0033] A detection unit 2, the detection unit 2 is slidingly arranged on the stand 3, and the detection unit 2 comprises a top rod 24, a housing 25 and a detection table 23 arranged on the housing 25, the housing 25 is rotationally provided with a right-angle turning plate 253 matched with an output end of the detection table 23, the top rod 24 is slidingly arranged in the housing 25 and abuts against the right-angle turning plate 253.

[0034] Specifically, the detection piece 5 is a bearing part, when the shaft part is prevented on the support disc 11, the control button 12 is pressed, the first motor 412 is controlled to operate, the positioning rod 47 is controlled to move downwards along the stand 3 until contacting with the detection piece 5, the detection piece 5 is fixed, the detection unit 2 is controlled to slide upwards or downwards along the stand 3, the top rod 24 is ensured to move to the detected position, the second motor 43 is controlled to rotate the detection piece 5, the jumping range of the pointer on the detection table 23 is observed, whether the outer diameter of the detection piece 5 is in the qualified interval is judged, when the second motor 43 rotates a circle, the positioning unit 4 is moved to the end of the stand 3, the next detection piece 5 is detected, the detection efficiency and precision of the detection piece 5 are improved, the problem of detection omission is reduced, further, after the positioning by the positioning rod 47, the detection piece 5 is manually driven to rotate for detection.

[0035] As a further provided embodiment of the utility model, the side of the right angle rotating plate 253 is provided with a limiting block 254, and the other side is provided with a first spring 252 matched with the shell 25, the first spring 252 pushes against the right angle rotating plate 253 and the limiting block 254, the elastic force of the first spring 252 pushes against the right angle rotating plate 253 and the limiting block 254 to contact, so as to reset the right angle rotating plate 253, that is, control the top rod 24 to be located in the shell 25 and extend, ensure that the top rod 24 always contacts with the detection piece 5 and keep a certain pre-pressing effect.

[0036] As a further provided embodiment of the utility model, the right angle rotating plate 253 is provided with an arc-shaped part 251, during the rotation of the right angle rotating plate 253, the arc-shaped part 251 contacts with the detection table 23 to prevent the detection table 23 from pressing the contact to separate from the right angle rotating plate 253.

[0037] As a further provided embodiment of the utility model, the top rod 24 is provided with a sliding block 241 and a scale line 242, the scale line 242 is located on one side of the sliding block 241, the sliding block 241 plays a guiding role to prevent the top rod 24 from rotating, and during the movement of the adjusting unit, the sliding block 241 drives the top rod 24 to retract into the shell 25 to prevent the top rod 24 from colliding with the detection piece 5, wherein the scale line 242 is used to display the outer diameter size of the detection piece 5.

[0038] As a further provided embodiment of the utility model, the stand 3 is provided with a side plate 26, the side plate 26 is provided with a screw rod 27, the detection unit 2 further includes a sliding frame 21 matched with the screw rod 27, the sliding frame 21 is provided with a support plate 22, the shell 25 is fixedly connected to the support plate 22, the end of the screw rod 27 is provided with a knob, the screw rod 27 is controlled to rotate on the side plate 26 through the knob to control the detection unit 2 to slide upwards or downwards along the stand 3 to adjust the position of the detection unit 2.

[0039] As a further provided embodiment of the utility model, the rack 32 and the slide rail 31 are arranged on the stand column 3, the positioning unit 4 further includes the support frame 41 sliding on the slide rail 31, the first motor 412 is arranged on the support frame 41, the output end of the first motor 412 is provided with the gear 411 meshing with the rack 32, the first motor 412 drives the support frame 41 to slide on the stand column 3 to control the positioning rod 47 to abut against the detection piece 5, the first motor 412 drives the gear 411 to rotate to mesh with the rack 32 to drive the support frame 41 to slide on the slide rail 31, that is, control the top rod 24 to contact the detection piece 5 to carry out positioning and fixing.

[0040] As a further provided embodiment of the utility model, the second motor 43 is arranged on the support frame 41, the sleeve 44 is arranged on the output end of the second motor 43, the guide sleeve 48 is clamped on the sleeve 44, the second spring 45 abutting against the positioning rod 47 is arranged in the guide sleeve 48, when the top rod 24 contacts the detection piece 5, the supporting effect on the detection piece 5 is improved through the extrusion effect of the second spring 45, wherein the sleeve 44 is used to receive the effect to connect the guide sleeve 48 with the second motor 43.

[0041] As a further provided embodiment of the utility model, the end of the guide sleeve 48 is clamped with the ring sleeve 46, the recess 461 is formed in the ring sleeve 46, the ring sleeve 46 is a rubber sleeve, when the positioning rod 47 contacts the detection piece 5, it will retract into the guide sleeve 48 to extrude the second spring 45, at this time, the recess 461 of the ring sleeve 46 will contact the upper surface of the detection piece 5 to improve the friction, and then the second motor 43 drives the detection piece 5 to rotate to detect.

[0042] As a further provided embodiment of the utility model, the position sensor 30 cooperating with the support frame 41 is arranged on the stand column 3, when the device is not detected, the support frame 41 slides to the end of the stand column 3 and contacts the position sensor 30 to keep the positioning rod 47 at a certain distance from the support disc 11 to ensure that the detection piece 5 can be quickly pressed on the support disc 11 without interference to improve the installation efficiency of the detection piece 5.

[0043] As a further provided embodiment of the utility model, the reinforcing ribs are arranged on the support frame 41, the reinforcing ribs are symmetrically arranged on both sides of the support frame 41 to improve the supporting effect of the support frame 41 to ensure that the second motor 43 drives the detection piece 5 to rotate more stably to improve the detection accuracy of the shaft parts.

[0044] The above technical scheme of the utility model provides a solution significantly different from the prior art for the technical problem that the prior art solution is too single, and the parts not involved in the technical scheme of the application are the same as or can be realized by the prior art, which will not be described here.

[0045] The technical solutions in the above embodiments have clearly and completely described the content of the utility model. Apparently, the described embodiments are only some embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

Claims

1. A shaft part outer diameter detection device comprising a detection member, characterized by, Also include: The bottom plate is provided with a support disc, and the support disc is provided with a control button matched with the detection piece; The column is arranged on the bottom plate; The positioning unit is arranged on the column and is electrically connected with the control button, and the positioning unit comprises a positioning rod abutting against the detection piece; The detection unit is arranged on the column in a sliding manner, and the detection unit comprises a top positioning rod, a shell and a detection table arranged on the shell, a right-angle rotating plate matched with an output end of the detection table is arranged in the shell in a rotating manner, and the top positioning rod is arranged in the shell in a sliding manner and abuts against the right-angle rotating plate.

2. The shaft part outer diameter detection device according to claim 1, characterized by One side of the right-angle rotating plate is provided with a limiting block, and the other side of the right-angle rotating plate is provided with a first spring matched with the shell, and the first spring abuts against the limiting block.

3. The shaft part outer diameter detection device according to claim 2, characterized by An arc-shaped part is arranged on the right-angle rotating plate.

4. The shaft part outer diameter detection device according to claim 1, characterized by A sliding block and a scale line are arranged on the top positioning rod, and the scale line is located on one side of the sliding block.

5. The shaft part outer diameter detection device according to claim 1, characterized by A side plate is arranged on the column, and a screw rod is arranged on the side plate; The detection unit further comprises a sliding frame matched with the screw rod, and a support plate is arranged on the sliding frame, and the shell is fixedly connected to the support plate.

6. The shaft part outer diameter detection device according to claim 1, wherein A rack and a sliding rail are arranged on the column, and the positioning unit further comprises a support frame arranged on the sliding rail in a sliding manner, a first motor is arranged on the support frame, a gear matched with the rack is arranged on an output end of the first motor, and the first motor drives the support frame to slide on the column, so as to control the positioning rod to abut against the detection piece.

7. The shaft part outer diameter detection device according to claim 6, wherein A second motor is arranged on the support frame, a clamping sleeve is arranged on an output end of the second motor, a guide sleeve is clamped on the clamping sleeve, and a second spring abutting against the positioning rod is arranged in the guide sleeve.

8. The shaft part outer diameter detection device according to claim 7, wherein An annular sleeve is clamped on an end portion of the guide sleeve, and a groove is formed in the annular sleeve.

9. The shaft part outer diameter detection device according to claim 6, wherein A position sensor matched with the support frame is arranged on the column.

10. The shaft part outer diameter detection device according to claim 6, wherein A reinforcing rib is arranged on the support frame.