Measuring tool for measuring groove edge distance
By designing a measuring tool including a base, a fixed plate and a bow plate, the existing groove margin measurement methods are solved, and accurate, economical and convenient measurement results are achieved.
Patent Information
- Application Number
- CN202420754715.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-12
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-04-12
AI Technical Summary
The existing slot margin measurement methods are costly and cumbersome to operate and maintain, and are especially not suitable for offline batch inspections.
A measuring tool including a base, a fixing plate and a bow plate is designed. The positioning holes and fastening screw holes on the bow plate are combined to achieve accurate measurement of the groove margins, and the stability and adjustment convenience of the measuring tool are ensured through the structure of the support foot and countersunk screw holes.
It realizes accurate measurement of slot margins, reduces costs, simplifies operation and maintenance, and is suitable for offline batch inspections.
Smart Images
Figure CN222903703U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of measuring tools, and in particular relates to a measuring tool used for measuring groove margins. Background Art
[0002] In the field of mechanical processing technology, the processing of grooves (arcs) is often encountered, and the dimensional deviation of the margins needs to be accurately measured.
[0003] The existing measurement method is to use online detection of CNC machine tools or special measuring instruments. This measurement method is costly, cumbersome to operate and maintain, and is particularly unsuitable for offline batch inspection (sampling). Utility Model Content
[0004] The utility model aims to provide a measuring tool for measuring the groove margin to solve the above problem.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0006] A measuring tool for measuring groove margins comprises a base, a fixing plate and an arched plate. The top surface of the base is provided with a fixing groove with two sides open. The bottom ends of the fixing plate and the arched plate are inserted into the fixing groove. The arched plate comprises a connecting vertical plate, a horizontal plate and a fixing vertical plate in sequence from top to bottom. The connecting vertical plate and the fixing vertical plate are respectively vertically arranged at the two ends of the horizontal plate. A plurality of positioning holes are arranged on the connecting vertical plate. A notch is arranged on the top surface of the fixing plate. The horizontal plate is clamped in the notch. The fixing vertical plate is fitted with the front end surface of the fixing plate. The connecting vertical plate is located on one side of the rear end surface of the fixing plate. A plurality of countersunk screw holes cooperating with each other are arranged on the fixing plate and the fixing vertical plate. A plurality of supporting foot fixing screw holes are also arranged on the fixing plate.
[0007] In order to further realize the utility model, a plurality of fastening screw holes are arranged on the side walls of the connecting vertical plates, and the fastening screw holes are connected with the positioning holes and are perpendicular to the positioning holes.
[0008] In order to further realize the utility model, the support leg fixing screw hole is penetrated into the rear end surface of the fixing plate, and the support leg is arranged in the support leg fixing screw hole. The support foot includes a screw rod screwed with the support leg fixing screw hole and a support rod body arranged at one end of the screw rod.
[0009] In order to further realize the utility model, the countersunk screw holes and the fixing screw holes are arranged in isosceles triangles, the heights of the two isosceles triangles are in the same straight line with the axis of the positioning hole, and the bases of the two isosceles triangles are in the same straight line and parallel to the base of the fixing plate.
[0010] In order to further realize the utility model, the distance between the two supporting foot fixing screw holes located at the bottom corners of the isosceles triangle is greater than the distance between the two countersunk screw holes located at the bottom corners of the isosceles triangle.
[0011] In order to further realize the utility model, the height of the isosceles triangle formed by the supporting foot fixing screw holes is greater than the height of the isosceles triangle formed by the countersunk screw holes.
[0012] In order to further realize the utility model, the transverse plate is parallel to the support rod body, and the length of the transverse plate is greater than the length of the support rod body.
[0013] In order to further realize the utility model, a groove is provided on the rear end face of the fixing plate, the two side walls of the groove are perpendicular to the bottom edge of the fixing plate, and the width of the groove is equal to the width of the notch. The groove and the notch cooperate to clamp the horizontal plate.
[0014] In order to further realize the utility model, hand grip grooves are arranged on both sides of the fixing plate, the hand grip grooves are arranged on the oblique edges on both sides of the fixing plate, and the intersection of the hand grip grooves and the oblique edges is open.
[0015] In order to further realize the utility model, the hand grip groove is circular.
[0016] Compared with the prior art, the utility model has the following beneficial effects:
[0017] The lower half of the fixed plate designed by the utility model is provided with 3 supporting foot fixing screw holes, 3 supporting feet are installed, fixed into one body by means of threads, and are grinded and paralleled by means of machining to ensure the measurement accuracy; a fixing groove is provided at the bottom of the base, a notch is provided at the top of the fixed plate, the arch plate is accurately positioned and fixed, and the fixing plate and the arch plate are connected with a plurality of fastening screws to ensure the overall strength and stability of the measuring tool; positioning holes of different heights are provided on the vertical plate connected to the upper half of the arch plate, and fastening screw holes of the same height as each positioning hole are provided on both side surfaces, and the fastening screws used to cooperate with the fastening screw holes are used to fix the hundred (thousand) minute gauge, which is convenient for adjusting and measuring the margins of slots (arcs) of different sizes.
[0018] The utility model is economical and practical, has a simple structure and is convenient to adjust. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a structural schematic diagram of the utility model;
[0020] Figure 2 for Figure 1 Cross-sectional view (showing the hundredth (thousandth) scale);
[0021] Figure 3 It is a structural schematic diagram of the fixing plate in the utility model;
[0022] Figure 4 for Figure 2 A cross-sectional view of
[0023] Figure 5 This is a schematic diagram of the structure of the arched plate in the utility model;
[0024] Figure 6 for Figure 5 Left view of;
[0025] Figure 7 This is a working state diagram of the utility model when using a reference block for calibration;
[0026] Figure 8 This is a working state diagram of the utility model when measuring a workpiece;
[0027] Fig. 9 for Figure 7 and Figure 8 Schematic diagram of the structure of the calibration frame;
[0028] The meanings of the accompanying numbers are as follows: 1. Base; 2. Fixed plate; 3. Arched plate; 3-1. Connecting vertical plate; 3-2. Horizontal plate; 3-3. Fixed vertical plate; 4. Fixed groove; 5. Positioning hole; 6. Notch; 7. Countersunk screw hole; 8. Support foot fixing screw hole; 9. Fastening screw hole; 10. Support foot; 10-1. Screw rod; 10-2. Support rod body; 11. Hand grip groove; 12. Calibration frame; 13. Reference block; 14. Hundred (thousand) point meter; 15. Workpiece; 16. Groove. DETAILED DESCRIPTION
[0029] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.
[0030] like Figure 1-9As shown, a measuring tool for measuring groove margin measurement includes a base 1, a fixed plate 2 and an arched plate 3. The top surface of the base 1 is provided with a fixed groove 4 with two sides open. The bottom ends of the fixed plate 2 and the arched plate 3 are inserted into the fixed groove 4. The arched plate 3 includes a connecting vertical plate 3-1, a horizontal plate 3-2 and a fixed vertical plate 3-3 from top to bottom. The connecting vertical plate 3-1 and the fixed vertical plate 3-3 are respectively vertically arranged at the two ends of the horizontal plate 3-2. A plurality of positioning holes 5 are arranged on the connecting vertical plate 3-1. A plurality of fastening screw holes 9 are arranged on the side wall of the connecting vertical plate 3-1. The fastening screw holes 9 are connected with the positioning holes 5 and are perpendicular to the positioning holes 5. A notch 6 is arranged on the top surface of the fixed plate 2. The horizontal plate 3-2 is clamped in the notch 6. The fixed vertical plate 3-3 is fitted with the front end surface of the fixed plate 1. A groove 16 is arranged on the rear end surface of the fixed plate 2. The two side walls of the groove 16 are perpendicular to the bottom edge of the fixed plate 2. The groove 16 The width is equal to the width of the slot 6, the connecting vertical plate 3-1 is located on one side of the rear end face of the fixed plate 2, and a number of countersunk screw holes 7 that cooperate with each other are arranged on the fixed plate 2 and the fixed vertical plate 3-3. The fixed plate 2 is also provided with a number of supporting foot fixing screw holes 8, and the supporting foot fixing screw holes 8 are penetrated in the rear end face of the fixed plate 2. A supporting foot 10 is arranged in the supporting foot fixing screw hole 8, and the supporting foot 10 includes a screw 10-1 screwed with the supporting foot fixing screw hole 8 and a supporting rod body 10-2 arranged at one end of the screw 10-1. The cross plate 3-2 is parallel to the supporting rod body 10-2, and the length of the cross plate 3-2 is greater than the length of the supporting rod body 10-2. The countersunk screw holes 7 and the supporting foot fixing screw holes 8 are arranged in isosceles triangles, and the heights of the two isosceles triangles are on the same line with the axis of the positioning hole 5, and the bases of the two isosceles triangles are on the same line and parallel to the base of the fixed plate 2.
[0031] Among them, the distance between the two supporting foot fixing screw holes 8 located at the bottom corners of the isosceles triangle is greater than the distance between the two countersunk screw holes 7 located at the bottom corners of the isosceles triangle, and the height of the isosceles triangle formed by the supporting foot fixing screw holes 8 is greater than the height of the isosceles triangle formed by the countersunk screw holes 7.
[0032] Among them, hand-gripping grooves 11 are arranged on both sides of the fixing plate 2. The hand-gripping grooves 11 are arranged on the oblique edges on both sides of the fixing plate 2. The intersection of the hand-gripping grooves 11 and the oblique edges is open, and the hand-gripping grooves 11 are circular.
[0033] When using, first calibrate the size, hold the two ends of the calibration frame 12 with your left hand, the calibration frame 12 is a large circle at both ends, and the size and tolerance of the large circle are the same, the coaxiality / roundness of the small circle in the middle is consistent with the large circle, place the calibration frame 12 on the V-groove corresponding to the size of the reference block 13, and the large circles at both ends are in contact with the V-groove. Hold the hand-grip groove 11 of the fixed plate 2 with your right hand, and tightly press the three support feet 10 against the side of the reference block 13. The head of the hundred (thousand) meter 14 is in contact with the small circle in the middle of the calibration frame 12, so that the utility model moves up and down, and the value of the hundred (thousand) meter 14 swings back and forth within a certain range. By repeatedly adjusting and calibrating the value of the hundred (thousand) meter 14, the value is fixed within 0-0.001mm. When measuring, place the calibration frame 12 on the processing surface of the workpiece 15, and repeat the above steps. The deviation of the value of the hundred (thousand) meter 14 is the processing error.
Claims
1. A measuring tool for measuring groove margin, characterized in that: The invention comprises a base (1), a fixing plate (2) and an arched plate (3); a fixing groove (4) with two sides open is arranged on the top surface of the base (1); the bottom ends of the fixing plate (2) and the arched plate (3) are inserted into the fixing groove (4); the arched plate (3) comprises, from top to bottom, a connecting vertical plate (3-1), a horizontal plate (3-2) and a fixing vertical plate (3-3); the connecting vertical plate (3-1) and the fixing vertical plate (3-3) are respectively arranged vertically at two ends of the horizontal plate (3-2); the connecting vertical plate (3-1) and the fixing vertical plate (3-3) are respectively arranged vertically at two ends of the horizontal plate (3-2); A plurality of positioning holes (5) are arranged on the fixing plate (3-1), a notch (6) is arranged on the top surface of the fixing plate (2), the horizontal plate (3-2) is clamped in the notch (6), the fixing vertical plate (3-3) is in contact with the front end surface of the fixing plate (2), the connecting vertical plate (3-1) is located on one side of the rear end surface of the fixing plate (2), a plurality of countersunk screw holes (7) that cooperate with each other are arranged on the fixing plate (2) and the fixing vertical plate (3-3), and a plurality of supporting foot fixing screw holes (8) are also arranged on the fixing plate (2).
2. The measuring tool for measuring groove margin according to claim 1, characterized in that: A plurality of fastening screw holes (9) are arranged on the side wall of the connecting vertical plate (3-1), and the fastening screw holes (9) are connected to the positioning holes (5) and are perpendicular to the positioning holes (5).
3. The measuring tool for measuring groove margin according to claim 1 or 2, characterized in that: The support foot fixing screw hole (8) is penetrated in the rear end surface of the fixing plate (2), a support foot (10) is arranged in the support foot fixing screw hole (8), and the support foot (10) comprises a screw rod (10-1) screwed to the support foot fixing screw hole (8) and a support rod body (10-2) arranged at one end of the screw rod (10-1).
4. The measuring tool for measuring groove margin according to claim 3, characterized in that: The countersunk screw holes (7) and the support foot fixing screw holes (8) are arranged in an isosceles triangle, the heights of the two isosceles triangles are in the same straight line with the axis of the positioning hole (5), and the bases of the two isosceles triangles are in the same straight line and parallel to the base of the fixing plate (2).
5. The measuring tool for measuring groove margin according to claim 4, characterized in that: The distance between the two support foot fixing screw holes (8) located at the bottom corners of the isosceles triangle is greater than the distance between the two countersunk screw holes (7) located at the bottom corners of the isosceles triangle.
6. The measuring tool for measuring groove margin according to claim 5, characterized in that: The height of the isosceles triangle formed by the support foot fixing screw holes (8) is greater than the height of the isosceles triangle formed by the countersunk screw holes (7).
7. The measuring tool for measuring groove margin according to claim 6, characterized in that: The transverse plate (3-2) is parallel to the support rod body (10-2), and the length of the transverse plate (3-2) is greater than the length of the support rod body (10-2).
8. The measuring tool for measuring groove margin according to claim 7, characterized in that: A groove (16) is provided on the rear end surface of the fixing plate (2), the two side walls of the groove (16) are perpendicular to the bottom edge of the fixing plate (2), and the width of the groove (16) is equal to the width of the notch (6).
9. The measuring tool for measuring groove margin according to claim 8, characterized in that: Hand grip grooves (11) are arranged on both sides of the fixing plate (2), the hand grip grooves (11) are arranged on the oblique edges on both sides of the fixing plate (2), and the intersection of the hand grip grooves (11) and the oblique edges is open.
10. The measuring tool for measuring groove margin according to claim 9, characterized in that: The hand grip groove (11) is circular.