Workpiece error detection device
By using the sliding fit between the dovetail block and the dovetail groove, and the use of a dial indicator, the problem of the inability to detect the roundness error of disc-shaped workpieces in the existing technology has been solved, realizing the detection of roundness and applicability to workpieces of different diameters.
Patent Information
- Application Number
- CN202520779580.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-23
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-23
AI Technical Summary
Current technology cannot detect the roundness error of disc-shaped workpieces, which is an important standard for measuring whether a workpiece is qualified.
A workpiece error detection device was designed. By sliding the dovetail block and the dovetail groove together, and combining the detection end of the dial indicator with the side wall of the disc-shaped workpiece, the roundness is qualified if the reading is within a reasonable range when the disc-shaped workpiece rotates, otherwise it is unqualified.
It enables effective detection of the roundness of disc-shaped workpieces, improves the applicability of the device, can clamp workpieces of different diameters, and can be detected by manually driving the rotation.
Smart Images

Figure CN223954813U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to error detection device technical field more specifically, relate to a workpiece error detection device. BACKGROUND
[0002] Mechanical processing refers to the process that the appearance size or performance of workpiece is changed through a kind of mechanical equipment, and can be divided into cutting and pressure processing according to the difference of processing mode, and the production process of machine refers to the whole process from raw material (or semi-finished product) to product, and error detection device is often used in mechanical processing, and workpiece size error measurement is realized.
[0003] Patent announcement No. CN218066241U discloses an error detection device for mechanical processing, which comprises a placing table, a connecting frame is fixed outside the placing table, a measuring mechanism is arranged on the inner side of the connecting frame, and is used for error measurement of disc-shaped workpieces with different diameters;The measuring mechanism comprises a rotating rod, a limiting slide block, an indicator plate, a rotating wheel, a lead screw and a bevel gear;The inner side of the rotating wheel is provided with a connecting mechanism, which is used for disassembling and replacing the rotating wheel, by arranging the connecting mechanism, when the rotating wheel is installed, one end of the rectangular block can be buckled into the clamping groove, at this time, the rotation of the rectangular block relative to the limiting slide block can be prevented, then one end of the threaded column can be screwed to the inner side of the clamping groove, so as to limit the up-down movement of the rectangular block, so as to install the rotating wheel, and the rotating wheel can be disassembled in the same way, so as to provide convenience for the replacement of the rotating wheel.
[0004] But the rotating rod can drive the lead screw to rotate, at this time, the lead screw can make multiple lead screws rotate at the same time through the bevel gear, so as to make the limiting slide block drive the rotating wheel to move towards the center axis of the placing table, so as to clamp the disc-shaped workpiece, so that the center axis is flush with the center axis of the placing table, at this time, the position of the indicator plate is observed, and the position indicated by the indicator plate is the radius of the disc-shaped workpiece, then the measured radius is compared with the required radius of the workpiece, but the device cannot detect the roundness error of the disc-shaped workpiece, and the roundness error is also an important standard for measuring whether the workpiece is qualified, so we propose a workpiece error detection device to solve the above problems. Utility model content
[0005] 1. The technical problem to be solved
[0006] In view of the problems existing in the prior art, the utility model aims at providing a workpiece error detection device, which can slide through dovetail block and dovetail groove until the detection end of the dial gauge abuts against the side wall of the disc-shaped workpiece, then through the rotation of the disc-shaped workpiece, when the reading of the dial gauge is within a reasonable range, it indicates that the roundness of the disc-shaped workpiece is within the standard range, otherwise it indicates that it is unqualified.
[0007] 2. Technical solution
[0008] To solve the above problems, the utility model adopts the following technical scheme.
[0009] A workpiece error detection device, including disc-shaped workpiece, the lower part of disc-shaped workpiece is provided with the base of circular structure, the surface of base is provided with helical hole groove;
[0010] The upper surface of the rotating disc is provided with a plurality of slide grooves at the radial position of the rotating disc, the side wall of the slide groove is symmetrically provided with a guide groove, and a slot is formed in the bottom wall of the guide groove;
[0011] The inner side of the slide groove is slidably connected with the sliding block in the form of a cube structure, the top middle part of the sliding block is rotatably connected with the limiting column that is combined with the side wall of the disc-shaped workpiece, the side wall of the sliding block is integrally formed with the guide block that is slidably connected with the guide groove, and the bottom of the sliding block is integrally formed with the adjusting stud that penetrates through the slot and extends to the inner side of the helical hole groove;
[0012] The upper surface of the rotating disc is also provided with a dovetail groove, the inner side of the dovetail groove is slidably connected with a dovetail block, and the top of the dovetail block is provided with a dial sleeve.
[0013] Further, the edge part of the dial sleeve is integrally formed with a connecting lug, and a fastening screw is screwed on the connecting lug, and the bottom end of the fastening screw abuts against the bottom wall of the dovetail groove.
[0014] Further, the slide groove is specifically provided with three, and the included angle between the adjacent two slide grooves corresponding to the axis of the rotating disc is 120 °.
[0015] Further, the lower surface of the rotating disc is integrally formed with a shaft head in the middle part.
[0016] The middle part of the base is provided with a shaft hole, and the inner side of the shaft hole is provided with a bearing that is connected with the shaft head in an interference fit.
[0017] Further, the outer side wall of the adjusting stud abuts against the inner side wall of the helical hole groove.
[0018] Further, the inner side of the dovetail groove is coated with lubricating grease.
[0019] Further, the detection end of the micrometer is located above the top end of the limiting column.
[0020] 3. Advantageous effects
[0021] Compared with the prior art, the utility model has the advantages of:
[0022] (1) the scheme, through the limit post can cooperate with the sliding block rotation, therefore can make the disc-shaped workpiece after clamping can manual drive its rotation, install the dial gauge in the inside of the dial cover, slide through the dovetail block cooperation dovetail groove, until the detection end of the dial gauge and the side wall of the disc-shaped workpiece abuts to, then through the disc-shaped workpiece rotation, when the dial gauge reading is in the reasonable range after the dial, then it is explained that the roundness of the disc-shaped workpiece is in the standard range, otherwise it is explained that unqualified.
[0023] (2) the scheme, place the disc-shaped workpiece on the turntable, then drive the turntable and make it relative to the base autorotation, utilize the adjustment stud head and move in the inside of the helical hole groove, cooperate with the guide block and slide in the inside of the guide groove, thereby make the sliding block cooperate with the sliding slot and move, until the limit post and the side wall of the disc-shaped workpiece abuts to, can be centered and clamped to the disc-shaped workpiece of different diameters, improved the application range of the device. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;
[0025] Figure 2 It is the base structure schematic diagram of the utility model;
[0026] Figure 3 It is the turntable structure schematic diagram of the utility model;
[0027] Figure 4 It is the structure schematic diagram of the turntable under another view of the utility model;
[0028] Figure 5 It is the dial cover structure schematic diagram of the utility model;
[0029] Figure 6 It is the sliding block structure schematic diagram of the utility model.
[0030] Mark explanation in drawing:
[0031] 1, disc-shaped workpiece;2, base;3, helical hole groove;4, turntable;5, sliding slot;6, guide groove;7, one character hole;8, shaft head;9, sliding block;10, limit post;11, guide block;12, adjustment stud head;13, dovetail groove;14, dovetail block;15, dial cover;16, dial gauge;17, connecting lug;18, fastening screw. DETAILED DESCRIPTION
[0032] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application, and all the other embodiments obtained by those skilled in the art based on the embodiments of the present application without creative efforts fall within the scope of the present application.
[0033] Embodiment:
[0034] Please refer to Figures 1-6 A workpiece error detection device, including disc-shaped workpiece 1, disc-shaped workpiece 1 below is provided with the bottom 2 of circular structure, the surface of the bottom 2 is provided with helical hole groove 3;
[0035] The upper surface of the disc-shaped workpiece 1 is rotatably connected to the upper surface of the disc-shaped workpiece 1, and the upper surface of the disc-shaped workpiece 1 is provided with a plurality of sliding grooves 5 in the radial position of the disc-shaped workpiece 1, and the side wall of the sliding groove 5 is symmetrically provided with a guide groove 6, and the bottom wall of the guide groove 6 is provided with a slot 7;
[0036] The inner side of the sliding groove 5 is slidably connected to the sliding block 9, and the top end of the sliding block 9 is rotatably connected to the limiting column 10, and the side wall of the sliding block 9 is integrally formed with the guide block 11, and the bottom of the sliding block 9 is integrally formed with the adjusting column head 12 which extends to the inner side of the helical hole groove 3 through the slot 7;
[0037] The upper surface of the disc-shaped workpiece 1 is also provided with a dovetail groove 13, and the inner side of the dovetail groove 13 is slidably connected to a dovetail block 14, and the top of the dovetail block 14 is provided with a dial sleeve 15, and the inner side of the dial sleeve 15 is provided with a micrometer 16 which is in contact with the side wall of the disc-shaped workpiece 1 in an embedded structure;
[0038] It should be noted that the workpiece error detection device in use, first put the disc-shaped workpiece 1 on the turntable 4, then drive the turntable 4 makes it relative to the base 2 from the rotating, adjusting the column head 12 in the spiral hole groove 3 inside the movement, while cooperating with the guide block 11 in the guide groove 6 inside the slip, so that the slider 9 with the sliding slot 5 movement, until the limit column 10 with the disc-shaped workpiece 1 side wall abuts against the end, can be different diameter disc-shaped workpiece 1 center clamping, improve the scope of application of the device, through the limit column 10 can cooperate with the slider 9 rotation, so that the disc-shaped workpiece 1 can be manually driven after clamping its rotation, the dial cover 15 inside the dial gauge 16 is installed, through the dovetail block 14 with dovetail groove 13 sliding, until the detection end of the dial gauge 16 and the disc-shaped workpiece 1 side wall abuts against the end, then through the disc-shaped workpiece 1 rotation, when the dial gauge 16 reading dial in reasonable range, then it is explained that the disc-shaped workpiece 1 roundness is within the standard range, otherwise it is not qualified.
[0039] As shown in Figure 3 , Figure 5 , the edge of the dial cover 15 is integrally formed with a connecting lug 17, and the connecting lug 17 is screwed with a fastening screw 18 abutting against the bottom wall of the dovetail groove 13;
[0040] It should be noted that when the detection end of the dial gauge 16 abuts against the disc-shaped workpiece 1, the fastening screw 18 is rotated by cooperating with the connecting lug 17, so as to fix the dial gauge 16.
[0041] As shown in Figure 3 , the sliding slot 5 is specifically provided with three, and the included angle between the adjacent two sliding slots 5 corresponding to the axis of the turntable 4 is 120°;
[0042] It should be noted that the structure can facilitate the center clamping of the disc-shaped workpiece 1.
[0043] As shown in Figure 2 , Figure 4 , the lower surface of the turntable 4 is integrally formed with a shaft head 8;
[0044] The middle part of the base 2 is provided with a shaft hole, and the inner side of the shaft hole is provided with a bearing connected with the shaft head 8;
[0045] It should be noted that the friction between the shaft head 8 and the base 2 is reduced, and the rotation accuracy of the turntable 4 is ensured.
[0046] As shown in Figure 2 , Figure 6 , the outer wall of the adjusting column head 12 abuts against the inner wall of the spiral hole groove 3;
[0047] Need to explain, in the process of rotating the rotating disc 4, by adjusting the stud 12 fit the helical hole groove 3 slip, thereby driving the slider 9 synchronous movement.
[0048] As Figure 3 , Figure 5 Indicated, the inside of the dovetail groove 13 is coated with lubricating grease;
[0049] Need to explain, reduce the dovetail block 14 fit the dovetail groove 13 sliding resistance, and reduce the wear between the dovetail block 14 and the dovetail groove 13.
[0050] As Figure 1 Indicated, the detection end of the dial gauge 16 is located above the top end of the limiting column 10;
[0051] Need to explain, avoid the detection process between the detection end of the dial gauge 16 and the limiting column 10 interference.
[0052] In use: first, the disc-shaped workpiece 1 is placed on the rotating disc 4, then drive rotating disc 4 makes it relative to the base 2 rotation, by adjusting the stud 12 in the helical hole groove 3 inside the movement, while fit the guide block 11 in the guide groove 6 slip, so that the slider 9 fit the sliding groove 5 movement, until the limiting column 10 and the sidewall of the disc-shaped workpiece 1 abuts, can be different diameter disc-shaped workpiece 1 center clamping, improve the scope of application of the device, through the limiting column 10 can fit the slider 9 rotation, so that the disc-shaped workpiece 1 can be manually driven after clamping its rotation, the dial gauge 16 is installed in the inside of the dial cover 15, by dovetail block 14 fit the dovetail groove 13 slip, until the detection end of the dial gauge 16 and the sidewall of the disc-shaped workpiece 1 abuts, then through the disc-shaped workpiece 1 rotation, when the dial gauge 16 reading fluctuation in reasonable range, then the disc-shaped workpiece 1 roundness is within the standard range.
[0053] The above, only for the preferred specific embodiments of the present application; but the scope of protection of the present application is not limited to this. Any skilled in the art of the technical personnel in the technical range disclosed by the present application, according to the technical scheme of the present application and its improvement concept to equivalent replacement or change, should be covered in the scope of protection of the present application.
Claims
1. A workpiece error detection device comprising a disc-shaped workpiece (1), characterised in that: The lower part of the disc-shaped workpiece (1) is provided with a base (2) arranged in a circular structure, and the surface of the base (2) is provided with a spiral hole groove (3); The upper surface of the base (2) is rotatably connected with a turntable (4) which is combined with the lower surface of the disc-shaped workpiece (1), the upper surface of the turntable (4) is provided with a plurality of slide grooves (5) arranged at the radial position of the turntable (4), the side wall of the slide groove (5) is symmetrically provided with a guide groove (6), and the bottom wall of the guide groove (6) is provided with a slot (7); The inner side of the slide groove (5) is slidably connected with a slide block (9) arranged in a cubic structure, the top end of the slide block (9) is rotatably connected with a limiting column (10) which is combined with the side wall of the disc-shaped workpiece (1), the side wall of the slide block (9) is integrally formed with a guide block (11) which is slidably connected with the guide groove (6), and the bottom of the slide block (9) is integrally formed with an adjusting stud (12) which penetrates through the slot (7) and extends to the inner side of the spiral hole groove (3); The upper surface of the turntable (4) is also provided with a dovetail groove (13), the inner side of the dovetail groove (13) is slidably connected with a dovetail block (14), the top of the dovetail block (14) is provided with a dial sleeve (15), and the inner side of the dial sleeve (15) is embeddedly provided with a micrometer (16) which is in abutment with the side wall of the disc-shaped workpiece (1).
2. A workpiece error detection apparatus as defined in claim 1, wherein: The edge part of the dial sleeve (15) is integrally formed with a connecting lug (17), and the connecting lug (17) is screwed with a fastening screw (18) which is in abutment with the bottom wall of the dovetail groove (13).
3. The workpiece error detection apparatus of claim 1, wherein: The slide groove (5) is specifically provided with three, and the included angle between the adjacent two slide grooves (5) corresponding to the axis of the turntable (4) is 120°.
4. The workpiece error detection apparatus of claim 1, wherein: The lower surface of the turntable (4) is integrally formed with a shaft head (8) in the middle part; The middle part of the base (2) is provided with a shaft hole, and the inner side of the shaft hole is provided with a bearing which is in interference connection with the shaft head (8).
5. The workpiece error detection apparatus of claim 1, wherein: The outer side wall of the adjusting stud (12) is in abutment with the inner side wall of the spiral hole groove (3).
6. The workpiece error detection apparatus of claim 1, wherein: The inner side of the dovetail groove (13) is coated with lubricating grease.
7. The workpiece error detection apparatus of claim 1, wherein: The detection end of the micrometer (16) is located above the top end of the limiting column (10).
Citation Information
Patent Citations
Error detection device for machining
CN218066241U