Workpiece roundness detection device

The workpiece fixing method of magnetic adsorption and spring buffering, combined with limit bars and adjustment screws, solves the accuracy problem caused by the shaking of the workpiece during the detection process, and realizes high-precision and fast roundness detection.

CN223460974UActive Publication Date: 2025-10-21LONGWEI MECHANICAL & ELECTRICAL CO LTD
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Patent Information

Application Number
CN202521813097.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-25
Publication Date
2025-10-21
Estimated Expiration
2035-08-25

AI Technical Summary

Technical Problem

During the roundness detection of workpieces, clamping and fixing can easily cause the center of the workpiece to shift, affecting the detection accuracy.

Method used

The workpiece is fixed by magnet adsorption and spring buffering, combined with limit bars and adjustment screws to ensure that the workpiece does not shake during the inspection process. The dial indicator detection head contacts and locks the circular surface of the workpiece to achieve stable inspection.

Benefits of technology

The accuracy and reliability of workpiece roundness detection are improved, ensuring the accuracy and speed of detection results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a workpiece roundness detection device, which comprises a base and a fixed disc, the fixed disc is arranged at the top of the base, a mounting seat is arranged at the center of the top of the fixed disc, a first rotating hole is formed in the mounting seat, a rotating shaft is rotatably arranged in the first rotating hole, a supporting plate is arranged on the base, and the supporting plate is arranged on the base. According to the utility model, the to-be-detected workpiece is placed on the slide block, the bottom of the to-be-detected workpiece is adsorbed and fixed through the magnet, and the to-be-detected workpiece is pressed and fixed through the slide block and the movable pressing block, so that the to-be-detected workpiece is prevented from shaking in the detection process, and the accuracy of the detection result is improved; the dial indicator rotates by taking the rotating shaft as the center through the mounting block, the connecting block and the rotating seat, the detection head of the dial indicator swings on the circular surface of the to-be-detected workpiece, detection data of the dial indicator is recorded, whether the roundness of the outer surface of the to-be-detected workpiece meets the precision requirement or not is calculated through analysis data, mounting is convenient and rapid, and detection is accurate and reliable.
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Description

TECHNICAL FIELD

[0001] The utility model relates to detection equipment technical field, especially relate to a work piece roundness detection device. BACKGROUND

[0002] With the rapid development of domestic manufacturing industry, the requirement for product quality is also higher and higher, and the precision requirement for workpiece needed by industrial production is also higher and higher, and in the measurement standard of workpiece precision, roundness is the key index of measuring workpiece precision, in order to improve the detection of workpiece precision, especially the detection of workpiece roundness, at present, many factories have purchased roundness tester to detect the roundness of production workpiece.

[0003] When the roundness of workpiece is detected, the workpiece to be detected needs to be placed on the clamp by the staff, the workpiece is clamped and positioned by the clamp, then the roundness of the workpiece is detected by the staff manually operating the roundness tester, and finally the roundness and cylindricity of the workpiece to be detected are obtained, so as to judge whether the workpiece to be detected is qualified, but when the workpiece is clamped and fixed, the workpiece is easy to shake in the clamping process, and then the center of the workpiece after clamping is offset, which affects the subsequent detection precision.

[0004] Therefore, it is necessary to provide a workpiece roundness detection device to solve the above technical problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a workpiece roundness detection device to solve the problems in the background art.

[0006] To achieve the above object, the utility model provides following technical scheme: a work piece roundness detection device, including base and fixed disc, the fixed disc sets up at the top of base, the fixed disc top center is provided with mounting seat, is set up with first rotation hole on mounting seat, rotation is provided with the shaft in first rotation hole, is provided with support plate on base, the support plate side wall is inserted with connecting rod, one end of connecting rod is provided with fixed block, is set up with second installation hole on fixed block, is provided with bearing in second installation hole, the upper end of shaft penetrates second installation hole and bearing and extends to the top of fixed block, the top of shaft is provided with rotating seat, the side wall of rotating seat is provided with connecting block, the connecting block is inserted with mounting block, the front of mounting block is provided with clamping hole, the clamping hole is connected with dial indicator, is set up with first cut slot on mounting seat, both sides of first cut slot bottom are set up with first sliding slot, the sliding block is set up in first sliding slot, be provided with spring between sliding block and first cut slot bottom, the magnet is set up on sliding block, be provided with the work piece to be detected in first cut slot, the lug bottom of fixed block is set up with second sliding slot, the movable pressure block is set up in second sliding slot, the top of lug is set up with second threaded hole, second threaded hole communicates with second sliding slot, the threaded connection of second threaded hole has adjusting screw rod, the bottom of adjusting screw rod rotation is provided on the top of movable pressure block.

[0007] As a preferred technical scheme of the utility model, the support plate side wall is provided with a jack, the support plate top is provided with a first locking hole, the connecting rod two ends are respectively provided with a first clamping block and a second clamping block, the first clamping block is inserted into the jack, the first locking hole is screw connected with a fastening screw, the fixed block side wall is provided with a slot, the second clamping block is inserted into the slot, the fixed block top is provided with a first threaded hole, the first threaded hole penetrates the slot and goes deep into its bottom, the second clamping block is provided with a pin hole, the first threaded hole is provided with a bolt, and the bolt is screwed into the slot bottom through the first threaded hole and the pin hole.

[0008] As a preferred technical scheme of the utility model, the connecting block front is provided with a first installation slot, one end of rotating seat is inserted into the first installation slot, the connecting block side wall is provided with a third locking hole, the third locking hole is screw connected with a fastening screw, the connecting block top is provided with a second installation slot, the connecting block side wall is provided with a second locking hole, the mounting block top is inserted into the second installation slot, the mounting block structure is L-shaped, and the second locking hole is screw connected with a fastening screw.

[0009] As a preferred technical scheme of the utility model, the mounting block lower end is provided with a second cut slot, the second cut slot communicates with the clamping hole, the mounting block bottom is provided with a countersunk threaded hole, and the countersunk threaded hole is provided with a bolt.

[0010] As a preferred technical scheme of the utility model, the slider structure is arc-shaped, sliding protrusions are arranged on both sides of the slider, the sliding protrusion shape is matched with the first sliding groove shape, the sliding protrusion is slidingly arranged in the first sliding groove, the outer edge of the workpiece to be detected is a circular surface, a first mounting hole is formed in the mounting seat, a limiting column is arranged in the first mounting hole, a limiting strip is arranged on the movable pressing block, a first limiting hole and a second limiting hole are formed in the fixed block, the second limiting hole is a square hole, the limiting strip shape is matched with the second limiting hole shape, and the limiting strip is slidingly arranged in the second limiting hole, and the limiting column top penetrates the first limiting hole and extends above it.

[0011] As a preferred technical scheme of the utility model, the first cutting groove bottom is provided with a placing hole, and the spring is arranged in the placing hole and located between the slider and the placing hole.

[0012] As a preferred technical scheme of the utility model, a third mounting hole is formed in the slider, and the magnet is arranged in the third mounting hole.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The workpiece roundness detection device has the advantages that the workpiece to be detected is placed on the slider, the bottom of the workpiece to be detected is fixed by the magnet, the slider and the workpiece to be detected are supported and buffered by the spring, the movable pressing block is pushed to slide along the second sliding groove and approach the workpiece to be detected by the rotary adjusting screw, the movable pressing block first contacts the top of the workpiece to be detected, then presses and moves down the workpiece to be detected, the spring is compressed for buffering, until the slider slides to the bottom of the first cutting groove, the workpiece to be detected is tightly fixed by the slider and the movable pressing block, so that shaking during detection is prevented, the accuracy of the detection result is improved, the movable pressing block is limited by the limiting strip and the second limiting hole during the movement of the movable pressing block, so that shaking of the movable pressing block is effectively prevented, after the workpiece to be detected is fixed, the detection head of the dial gauge is adjusted to contact the circular surface of the workpiece to be detected, the dial gauge is locked and fixed by the bolt, the dial gauge is pushed to swing, the dial gauge rotates around the rotating shaft by the mounting block, the connecting block and the rotating seat, the detection head of the dial gauge swings on the circular surface of the workpiece to be detected, the detection data of the dial gauge is recorded, whether the roundness of the outer surface of the workpiece to be detected meets the precision requirement is calculated by analyzing the data, the installation is convenient and fast, and the detection is accurate and reliable. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model is further described below in combination with the drawings and examples.

[0016] Figure 1 is the overall structure three-dimensional schematic view of the utility model;

[0017] Figure 2Is the mounting seat and slider mounting relationship three-dimensional explosion schematic diagram of the utility model;

[0018] Figure 3 Is the mounting seat structure three-dimensional schematic diagram of the utility model;

[0019] Figure 4 Is the support plate structure three-dimensional schematic diagram of the utility model;

[0020] Figure 5 Is the connecting rod structure three-dimensional schematic diagram of the utility model;

[0021] Figure 6 Is the fixed block structure three-dimensional schematic diagram of the utility model;

[0022] Figure 7 Is the fixed block structure isometric view of the utility model;

[0023] Figure 8 Is the connecting block structure three-dimensional schematic diagram of the utility model;

[0024] Figure 9 Is the mounting block structure three-dimensional schematic diagram of the utility model.

[0025] In the drawing: 1, base; 2, fixed disc; 3, mounting seat; 31, first rotating hole; 32, first cutting groove; 33, placing hole; 34, first sliding groove; 35, first mounting hole; 4, support plate; 41, insertion hole; 42, first locking hole; 5, connecting rod; 51, first clamping block; 52, second clamping block; 53, pin hole; 6, fixed block; 61, second mounting hole; 62, first threaded hole; 63, protruding block; 64, first limiting hole; 65, second limiting hole; 66, second sliding groove; 67, second threaded hole; 68, insertion slot; 7, rotating shaft; 8, bearing; 9, rotating seat; 10, connecting block; 101, first mounting groove; 102, second mounting groove; 103, second locking hole; 104, third locking hole; 11, mounting block; 111, second cutting groove; 112, clamping hole; 113, countersunk threaded hole; 12, dial indicator; 13, movable pressing block; 14, limiting strip; 15, adjusting screw; 16, limiting column; 17, sliding block; 171, third mounting hole; 172, sliding protrusion; 18, workpiece to be inspected; 19, magnet; 20, spring. DETAILED DESCRIPTION

[0026] The embodiments of the utility model will be described below with reference to the drawings. In this process, in order to ensure the clarity and convenience of the description, we may exaggerate the width of the lines or the size of the constituent elements in the drawings.

[0027] In addition, the terms below are defined based on the functions in the utility model, and can be different according to the intention or habit of the user or the user. Therefore, these terms are defined based on the whole content of the specification.

[0028] As Figures 1 to 9 The utility model discloses a workpiece roundness detection device, including base 1 and fixed disc 2, the fixed disc 2 sets up at the top of base 1, the top center of fixed disc 2 is provided with mounting seat 3, is seted up with first rotation hole 31 on mounting seat 3, the first rotation hole 31 is rotationally arranged with the shaft 7, is provided with support plate 4 on base 1, the side wall of support plate 4 is seted up with the insertion hole 41, the top of support plate 4 is seted up with first locking hole 42, the insertion hole 41 is inserted with connecting rod 5, the both ends of connecting rod 5 are provided with first clamping block 51 and second clamping block 52 respectively, the first clamping block 51 is inserted in insertion hole 41, the first locking hole 42 is screw connected with fastening screw, and the first clamping block 51 is clamped tightly by fastening screw, one end of connecting rod 5 is provided with fixed block 6, the side wall of fixed block 6 is seted up with insertion slot 68, the second clamping block 52 is inserted in insertion slot 68, the top of fixed block 6 is seted up with first threaded hole 62, the first threaded hole 62 penetrates insertion slot 68 and goes into its bottom, the second clamping block 52 is seted up with pin hole 53, and the first threaded hole 62 is provided with bolt, and the bolt is screwed into the bottom of insertion slot 68 by penetrating first threaded hole 62 and pin hole 53.

[0029] As Figures 6 to 9 As shown in the fixed block 6, the second mounting hole 61 is seted up with bearing 8, the upper end of shaft 7 penetrates second mounting hole 61 and bearing 8 and extends above fixed block 6, the top of shaft 7 is provided with rotating seat 9, the side wall of rotating seat 9 is provided with connecting block 10, the front of connecting block 10 is seted up with first installation slot 101, one end of rotating seat 9 is inserted in first installation slot 101, the side wall of connecting block 10 is seted up with third locking hole 104, the third locking hole 104 is screw connected with fastening screw, and rotating seat 9 is fixed by fastening screw, the top of connecting block 10 is seted up with second installation slot 102, the side wall of connecting block 10 is seted up with second locking hole 103, the second installation slot 102 is inserted with mounting block 11, the mounting block 11 is structured as L-shaped, the second locking hole 103 is screw connected with fastening screw, and mounting block 11 is clamped tightly and fixed by fastening screw, the lower end of mounting block 11 is seted up with second cut slot 111, the front of mounting block 11 is seted up with clamping hole 112, the second cut slot 111 is communicated with clamping hole 112, the bottom of mounting block 11 is seted up with countersunk screw hole 113, the clamping hole 112 is clamped with dial gauge 12, and the countersunk screw hole 113 is provided with bolt, and dial gauge 12 is clamped by bolt.

[0030] AsFigure 2 and Figure 3 As shown in the figure, the mounting base 3 is provided with a first cutting groove 32, the bottom of the first cutting groove 32 is provided with a placing hole 33, both sides of the bottom of the first cutting groove 32 are provided with a first sliding groove 34, a sliding block 17 is slidably arranged in the first sliding groove 34, the sliding block 17 is arc-shaped, sliding protrusions 172 are arranged on both sides of the sliding block 17, the sliding protrusions 172 are adapted in shape to the first sliding groove 34, the sliding protrusions 172 are slidably arranged in the first sliding groove 34, a spring 20 is arranged in the placing hole 33, the spring 20 is located between the sliding block 17 and the placing hole 33, a third mounting hole 171 is formed in the sliding block 17, a magnet 19 is arranged in the third mounting hole 171, a workpiece to be inspected 18 is arranged in the first cutting groove 32, the outer edge of the workpiece to be inspected 18 is a circular surface, a first mounting hole 35 is formed in the mounting base 3, a limiting column 16 is arranged in the first mounting hole 35, a second sliding groove 66 is formed in the bottom of the protrusion 63 of the fixed block 6, a movable pressing block 13 is slidably arranged in the second sliding groove 66, a second threaded hole 67 is formed in the top of the protrusion 63, the second threaded hole 67 is in communication with the second sliding groove 66, an adjusting screw 15 is threadedly connected in the second threaded hole 67, the bottom of the adjusting screw 15 is rotatably arranged on the top of the movable pressing block 13, a limiting strip 14 is arranged on the movable pressing block 13, a first limiting hole 64 and a second limiting hole 65 are formed in the fixed block 6, the second limiting hole 65 is a square hole, the limiting strip 14 is adapted in shape to the second limiting hole 65, and the limiting strip 14 is slidably arranged in the second limiting hole 65, the top of the limiting column 16 penetrates through the first limiting hole 64 and extends above it, the movable pressing block 13 is pushed to slide downward and press the workpiece to be inspected 18 by rotating the adjusting screw 15, in the process of pressing downward, the bottom of the workpiece to be inspected 18 presses the sliding block 17, the magnet 19 arranged on the sliding block 17 adsorbs and fixes the workpiece to be inspected 18, the spring 20 buffers the sliding block 17, until the bottom of the sliding block 17 abuts against the bottom of the first cutting groove 32, and then the workpiece to be inspected 18 is tightly fixed, and the fixation is firm and reliable.

[0031] The embodiment is specific, by placing the workpiece 18 to be detected on the sliding block 17, the bottom of the workpiece 18 to be detected is adsorbed and fixed by the magnet 19, the spring 20 buffers and supports the sliding block 17 and the workpiece 18 to be detected, the rotating adjusting screw 15 pushes the movable pressing block 13 to slide down along the second sliding groove 66 and close to the workpiece 18 to be detected, the movable pressing block 13 first contacts the top of the workpiece 18 to be detected, and then presses the workpiece 18 to be detected to move down, the spring 20 is compressed to buffer, until the sliding block 17 slides to the bottom of the first cutting groove 32, the workpiece 18 to be detected is pressed and fixed by the sliding block 17 and the movable pressing block 13, so that shaking during detection is prevented, and the accuracy of the detection result is improved, in the process that the movable pressing block 13 moves down, the movable pressing block 13 is limited by the limiting strip 14 and the second limiting hole 65, so that shaking of the movable pressing block 13 is effectively prevented, after the workpiece 18 to be detected is fixed, the detection head of the dial gauge 12 is adjusted to contact the circular surface of the workpiece 18 to be detected, the dial gauge 12 is locked and fixed by the bolt, the dial gauge 12 is pushed to swing, the dial gauge 12 rotates around the rotating shaft 7 through the mounting block 11, the connecting block 10 and the rotating seat 9, the detection head of the dial gauge 12 swings on the circular surface of the workpiece 18 to be detected, the detection data of the dial gauge 12 is recorded, whether the roundness of the outer surface of the workpiece 18 to be detected meets the precision requirement is calculated by analyzing the data, the installation is convenient and fast, and the detection is accurate and reliable.

[0032] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A workpiece roundness detection device, comprising a base (1) and a fixed disc (2), the fixed disc (2) is arranged on the top of the base (1), characterized in that: The fixed disc (2) top center is provided with a mounting seat (3), the mounting seat (3) is provided with a first rotating hole (31), the first rotating hole (31) is rotatably provided with a rotating shaft (7), the base (1) is provided with a supporting plate (4), the supporting plate (4) side wall is inserted with a connecting rod (5), the connecting rod (5) one end is provided with a fixed block (6), the fixed block (6) is provided with a second mounting hole (61), the second mounting hole (61) is provided with a bearing (8), the rotating shaft (7) upper end penetrates the second mounting hole (61) and bearing (8) and extends to the above of the fixed block (6), the rotating shaft (7) top is provided with a rotating seat (9), the rotating seat (9) side wall is provided with a connecting block (10), the connecting block (10) is inserted with a mounting block (11), the mounting block (11) front is provided with a clamping hole (112), the clamping hole (112) is clamped with a dial indicator (12), the mounting seat (3) is provided with a first cutting groove (32), the first cutting groove (32) bottom both sides are provided with a first sliding groove (34), the first sliding groove (34) is slidably provided with a sliding block (17), the sliding block (17) and the first cutting groove (32) bottom are provided with a spring (20), the sliding block (17) is provided with a magnet (19), the first cutting groove (32) is provided with a workpiece (18) to be detected, the lug (63) bottom of the fixed block (6) is provided with a second sliding groove (66), the second sliding groove (66) is slidably provided with a movable pressing block (13), the lug (63) top is provided with a second threaded hole (67), the second threaded hole (67) is in communication with the second sliding groove (66), the second threaded hole (67) is threadedly connected with an adjusting screw (15), and the adjusting screw (15) bottom is rotatably arranged on the top of the movable pressing block (13).

2. The workpiece roundness detection device of claim 1, wherein: The supporting plate (4) side wall is provided with a insertion hole (41), the supporting plate (4) top is provided with a first locking hole (42), the connecting rod (5) both ends are respectively provided with a first clamping block (51) and a second clamping block (52), the first clamping block (51) is inserted into the insertion hole (41), the first locking hole (42) is threadedly connected with a fastening screw, the fixed block (6) side wall is provided with an insertion slot (68), the second clamping block (52) is inserted into the insertion slot (68), the fixed block (6) top is provided with a first threaded hole (62), the first threaded hole (62) penetrates the insertion slot (68) and goes deep into its bottom, the second clamping block (52) is provided with a pin hole (53), the first threaded hole (62) is provided with a bolt, and the bolt is screwed into the bottom of the insertion slot (68) through the first threaded hole (62) and the pin hole (53).

3. The workpiece roundness detection device of claim 1, wherein: The connecting block (10) is provided with a first installation slot (101) in the front, one end of the rotating seat (9) is inserted into the first installation slot (101), the connecting block (10) is provided with a third locking hole (104) in the side wall, the third locking hole (104) is threadedly connected with a fastening screw, the connecting block (10) is provided with a second installation slot (102) in the top, the connecting block (10) is provided with a second locking hole (103) in the side wall, the mounting block (11) is inserted into the second installation slot (102) in the top, the mounting block (11) is L-shaped, and the second locking hole (103) is threadedly connected with a fastening screw.

4. The roundness detection device of claim 1, wherein: The mounting block (11) is provided with a second cutting groove (111) in the lower end, the second cutting groove (111) is communicated with the clamping hole (112), and the mounting block (11) is provided with a countersunk threaded hole (113) in the bottom.

5. The roundness detection device of claim 1, wherein: The slider (17) is arc-shaped, the slider (17) is provided with a sliding protrusion (172) on both sides, the sliding protrusion (172) is matched with the first sliding groove (34) in shape, the sliding protrusion (172) is slidably arranged in the first sliding groove (34), the outer edge of the workpiece (18) to be inspected is a circular surface, the mounting seat (3) is provided with a first installation hole (35), the first installation hole (35) is provided with a limiting column (16), the movable pressing block (13) is provided with a limiting strip (14), the fixed block (6) is provided with a first limiting hole (64) and a second limiting hole (65), the second limiting hole (65) is a square hole, the limiting strip (14) is matched with the second limiting hole (65) in shape, and the limiting strip (14) is slidably arranged in the second limiting hole (65), and the limiting column (16) penetrates through the first limiting hole (64) and extends above the first limiting hole (64).

6. The roundness detection device of claim 1, wherein: The first cutting groove (32) is provided with a placing hole (33) in the bottom, the spring (20) is arranged in the placing hole (33), and the spring (20) is located between the slider (17) and the placing hole (33).

7. The roundness detection device of claim 1, wherein: The slider (17) is provided with a third installation hole (171), and the magnet (19) is arranged in the third installation hole (171).