Grinding undercut graduated scale

Abstract

The utility model provides a grinding undercut graduated scale which is used for measuring the size of a grinding undercut, and the grinding undercut is located at the joint of an end face and a peripheral face which are adjacent. The grinding undercut graduated scale comprises a positioning support and a graduated scale body. The positioning bracket comprises a matching surface which is at least partially matched with the peripheral surface; the graduated scale is arranged on the positioning bracket and comprises a first graduated scale and a second graduated scale, the graduation line of the first graduated scale extends along the generatrix of the circumferential surface, the graduation line of the second graduated scale extends along the radial direction of the end surface, and the zero graduation line position of the first graduated scale is connected with the zero graduation line position of the second graduated scale; when the positioning support and the peripheral face are placed in a matched mode, the first graduated scale is attached to the peripheral face, the second graduated scale is attached to the end face, and the technical problem that the grinding undercut size is difficult to measure can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to measuring tool technical field, concretely relates to a more than distance groove scale. BACKGROUND

[0002] In the precision mechanical part processing, the more than distance groove is both a process groove and a bearing oil storage groove, and the size of the more than distance groove directly affects bearing contact length, and thus determines the bearing capacity of the whole set of bearings, so the size control of the more than distance groove is very important in the production process.

[0003] However, in actual production, the size measurement of the more than distance groove is difficult, and the traditional process control method is to make a sample plate during rough machining, control machining by using the size sample plate, and measure or slice projection measure by using a profilometer during finish machining. The size sample plate control machining is simple to operate, but only measures roughly and cannot accurately measure the actual size of the more than distance groove; the profilometer measurement of the more than distance groove size is accurate, but the operation is complex and is not suitable for batch production control; the slice projection measurement is accurate in size, but is a destructive measurement, has a high measurement cost and takes a long time. SUMMARY

[0004] In view of the problems existing in the prior art, the utility model provides a more than distance groove scale to improve the technical problem that the size measurement of the more than distance groove is difficult.

[0005] To achieve the above object and other related objects, the utility model provides a more than distance groove scale for measuring the size of the more than distance groove, wherein the more than distance groove is located at the connection between adjacent end faces and peripheral surfaces; the more than distance groove scale comprises a positioning support and a scale; the positioning support comprises a matching surface which is at least partially matched with the peripheral surface; the scale is arranged on the positioning support, the scale comprises a first scale and a second scale, the scale line of the first scale extends along the generatrix of the peripheral surface, the scale line of the second scale extends along the radial direction of the end face, and the zero scale line position of the first scale and the zero scale line position of the second scale are connected; when the positioning support is placed in cooperation with the peripheral surface, the first scale is attached to the peripheral surface, and the second scale is attached to the end face.

[0006] In an embodiment of the more than distance groove scale, the scale further comprises a connecting part, the connecting part connects the positioning support and is connected with the first scale and the second scale.

[0007] In an embodiment of the more than distance groove scale, the positioning support comprises a positioning plate, the positioning plate is fixedly connected with the connecting part, and one side of the positioning plate away from the connecting part comprises the matching surface attached to the peripheral surface.

[0008] In an embodiment of the utility model, the positioning support further comprises a movable plate, the movable plate is rotationally connected with the positioning plate and is connected to one end of the positioning plate close to the connecting part.

[0009] In an embodiment of the utility model, one side of the positioning plate and the movable plate facing the circumferential surface is a circular arc surface, the axis of the circular arc surface is parallel to the axis of the circumferential surface.

[0010] In an embodiment of the utility model, one side of the positioning plate facing the circumferential surface comprises a plane, one side of the movable plate facing the circumferential surface is a plane.

[0011] In an embodiment of the utility model, the positioning support comprises a locking device for locking the movable plate and the positioning plate.

[0012] In an embodiment of the utility model, one side of the scale facing the circumferential surface is provided with a recess, the recess is located between the connecting part and the first scale.

[0013] In an embodiment of the utility model, the included angle of the first scale and the second scale is phi, wherein 88°20'≤ phi ≤ 89°30'.

[0014] In an embodiment of the utility model, the scale further comprises a magnifying glass, the magnifying glass corresponds to the scale line of the first scale and the scale line of the second scale.

[0015] The utility model discloses a distance to run groove scale, including positioning support and scale, positioning support is used for positioning and installing scale, because distance to run groove extends along the generatrix direction of circumferential surface and extends along the radial direction of end surface, so scale includes first scale along the generatrix of circumferential surface and second scale along the radial direction of end surface. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description only show some of the embodiments of the present application, and for those skilled in the art, other embodiments can be obtained from these drawings without creative labor.

[0017] Figure 1 Figure 1 is a structural schematic diagram of the over-travel slot scale ruler in an embodiment of the present application.

[0018] Figure 2 Figure 2 is a schematic diagram of the working state of the over-travel slot scale ruler in an embodiment of the present application.

[0019] Figure 3 Figure 3 is a structural schematic diagram of the over-travel slot scale ruler in an embodiment of the present application. Figure 2

[0020] Figure 4 Figure 4 is a structural schematic diagram of the over-travel slot scale ruler in an embodiment of the present application.

[0021] Element number explanation:

[0022] 100, positioning support; 110, matching surface; 120, positioning plate; 130, movable plate; 140, arc surface; 150, plane; 160, locking device; 200, scale ruler; 210, first scale ruler; 220, second scale ruler; 230, connecting part; 240, recess; 250, magnifying glass; 300, to-be-measured piece; 310, over-travel slot; 320, peripheral surface; 330, end surface. DETAILED DESCRIPTION

[0023] The embodiments of the present application will be described below through specific, concrete examples. Those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in the present specification. The present application can also be implemented or applied through other different specific embodiments, and each detail in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict. It should also be understood that the terms used in the embodiments of the present application are for describing specific, concrete embodiments, and are not intended to limit the protection scope of the present application. The test methods not specified in the following embodiments are usually performed under conventional conditions or under the conditions recommended by each manufacturer.

[0024] ​When the embodiments give a numerical range, it should be understood that, unless the utility model otherwise specifies, both ends of each numerical range and any one numerical between the two ends can be selected. Unless otherwise defined, all technical and scientific terms used in the utility model are used by the skilled in the art and the description of the utility model, and any method, equipment and material of the prior art similar or equivalent to the method, equipment and material in the embodiments of the utility model can be used to realize the utility model.

[0025] It should be understood that the terms such as "upper", "lower", "left", "right", "middle" and "one" cited in the specification are only for the convenience of clear description, and are not used to limit the scope of the utility model, and the change or adjustment of the relative relationship is also regarded as the scope of the utility model without substantial change of the technical content.

[0026] Please refer to Figures 1 to 4 The utility model provides a kind of overtravel slot scale ruler, when the cooperation surface 110 of positioning support 100 and the circumferential surface 320 of the measured piece 300 cooperation place, the first scale ruler 210 is attached with the circumferential surface 320, the second scale ruler 220 is attached with the end surface 330, to realize the measurement of the size of overtravel slot 310 two directions, improve the technical problem that overtravel slot 310 size measurement is more difficult.

[0027] Please refer to Figure 1 And Figure 2 The utility model overtravel slot scale ruler is used for measuring the size of overtravel slot 310, and the overtravel slot 310 is located at the connection of adjacent end surface 330 and circumferential surface 320;The overtravel slot scale ruler includes positioning support 100 and scale ruler 200.

[0028] Please refer to Figure 1 And Figure 2 Positioning support 100 includes cooperation surface 110 at least partially matched with the circumferential surface 320, and the shape of positioning support 100 is not limited, for example, can be V-shaped block, V-shaped plate or circular arc plate etc., and the side of positioning support 100 facing circumferential surface 320 can be positioned by the cooperation of cooperation surface 110 and circumferential surface 320 to realize the positioning of scale ruler 200.

[0029] Please refer to Figure 1 And Figure 2, the scale 200 is arranged on the positioning support 100, and the positioning support 100 can facilitate holding during measurement. Since the overtravel groove 310 extends along the generatrix direction of the peripheral surface 320 and also extends along the radial direction of the end surface 330, the scale 200 comprises a first scale 210 and a second scale 220, the scale line of the first scale 210 extends along the generatrix of the peripheral surface 320 and is used for measuring the size of the overtravel groove 310 along the generatrix direction of the peripheral surface 320, and the scale line of the second scale 220 extends along the radial direction of the end surface 330 and is used for measuring the size of the overtravel groove 310 along the radial direction of the end surface 330; the zero scale line position of the first scale 210 and the zero scale line position of the second scale 220 are connected, and the above-mentioned connection position is the intersection of the two extension directions of the overtravel groove 310, so that the convenience and accuracy of size measurement are improved. It should be noted that the first scale 210 and the second scale 220 can be integrally formed or separately formed, and no limitation is made to this.

[0030] Please refer to Figure 1 and Figure 2 , when the positioning support 100 is placed in cooperation with the peripheral surface 320, the first scale 210 is attached to the peripheral surface 320, and the second scale 220 is attached to the end surface 330. At this time, the reading m1 of the first scale 210 is the size of the overtravel groove 310 along the generatrix direction of the peripheral surface 320, and the reading m2 of the second scale 220 is the size of the overtravel groove 310 along the radial direction of the end surface 330. Please refer to Figure 3 In this embodiment, the distance of each small grid in the first scale 210 and the second scale 220 is 0.2mm, and the distance of each large grid is 1mm, and the distance between small grids can be estimated and read. The size reading of the example product overtravel groove 310 is: m1=3.87; m2=2.85.

[0031] Please refer to Figure 1 and Figure 4 In an embodiment of the overtravel groove scale of the utility model, the scale 200 further comprises a connecting part 230, the connecting part 230 connects the positioning support 100 and is connected with the first scale 210 and the second scale 220, and the shape of the connecting part 230 is not limited as long as the first scale 210 and the second scale 220 and the positioning support 100 can be connected together. On the one hand, the distance between the first scale 210 and the second scale 220 and the positioning support 100 can be adjusted through the connecting part 230 to adapt to the measurement of bearings with different sizes; on the other hand, the first scale 210 and the second scale 220 and the positioning support 100 can be directly connected to prevent damage to the scale line during processing, and the processing difficulty can be reduced.

[0032] Please refer toFigure 1 And Figure 4 In an embodiment of the over-travel slot scale of the utility model, the positioning support 100 comprises a positioning plate 120, the positioning plate 120 is fixedly connected with the connecting part 230, one side of the positioning plate 120 facing the circumferential surface 320 is a circular arc surface 140 or a plane 150, and this is not limited, but one side of the positioning plate 120 facing away from the connecting part 230 comprises the matching surface 110 which is fitted with the circumferential surface 320, the matching surface 110 is a positioning surface, and the size of the matching surface 110 is not limited, as long as it can form surface contact with the circumferential surface 320 in part, and when the matching surface 110 is in contact with the circumferential surface 320, the first scale 210 is fitted with the circumferential surface 320, so that accurate measurement can be carried out, and the accuracy and efficiency of measurement are improved.

[0033] Please refer to Figure 1 And Figure 4 In an embodiment of the over-travel slot scale of the utility model, the positioning support 100 further comprises a movable plate 130, the movable plate 130 is rotatably connected with the positioning plate 120, one side of the movable plate 130 facing the circumferential surface 320 is a circular arc surface 140 or a plane 150, and this is not limited, as long as it can form line contact with the circumferential surface 320, so that the accuracy of positioning of the positioning support 100 can be further improved, and the movable plate 130 is rotatably connected with the positioning plate 120, so that cooperation with circumferential surfaces 320 of different sizes can be realized, and the versatility of the over-travel slot scale is improved. Further, the movable plate 130 is connected to one end of the positioning plate 120 close to the connecting part 230, so that the connecting part 230 can be located between the movable plate 130 and the positioning plate 120, and the accuracy of positioning of the positioning support 100 is further improved.

[0034] Please refer to Figure 1 In an embodiment of the over-travel slot scale of the utility model, one side of the positioning plate 120 and the movable plate 130 facing the circumferential surface 320 is a circular arc surface 140, and the axis of the circular arc surface 140 is parallel to the axis of the circumferential surface 320, so that the contact area of the positioning support 100 and the circumferential surface 320 can be increased by adopting the design of the circular arc surface 140, and the accuracy of positioning of the positioning support 100 is further improved.

[0035] Please refer to Figure 4 In an embodiment of the over-travel slot scale of the utility model, one side of the positioning plate 120 facing the circumferential surface 320 comprises a plane 150, and one side of the movable plate 130 facing the circumferential surface 320 is a plane 150. By adopting the design of the plane 150, the positioning plate 120 and the movable plate 130 can form a V-shaped plate with adjustable angle, and the structure is simple, easy to process, and has higher versatility.

[0036] Referring to Figure 1 and Figure 4 In an embodiment of the overtravel groove scale of the utility model, the positioning support 100 comprises a locking device 160 for locking the movable plate 130 and the positioning plate 120, and the locking device 160 can be in the form of a locking nut, a compression screw, a conical surface cooperation or a buckle locking, and the like, and the utility model is not limited in this regard. In the embodiment, the compression screw is used to achieve the locking.

[0037] Referring to Figure 1 and Figure 4 In an embodiment of the overtravel groove scale of the utility model, the scale 200 is provided with a recess 240 on the side facing the peripheral surface 320, and the recess 240 is located between the connecting portion 230 and the first scale 210. The provision of the recess 240 has the effect of reducing the weight of the scale, and on the other hand, the machining precision of the first scale 210 is relatively high, and the provision of the recess 240 can reduce the machining range of the second scale 220, thereby reducing the machining difficulty.

[0038] Referring to Figure 3 In an embodiment of the overtravel groove scale of the utility model, the included angle between the first scale 210 and the second scale 220 is φ, wherein 88°20'≤ φ ≤ 89°30'. The limitation of the included angle φ between the first scale 210 and the second scale 220 in the above range can realize the application of the overtravel groove scale in the overtravel groove 310 of the tapered roller bearing.

[0039] Referring to Figure 1 and Figure 4 Considering that the scale line is relatively thin, and the light at the position of the overtravel groove 310 is relatively poor, the reading is relatively difficult and prone to inaccuracy. In an embodiment of the overtravel groove scale of the utility model, the scale 200 further comprises a magnifying glass 250 corresponding to the scale line of the first scale 210 and the scale line of the second scale 220, so as to facilitate reading and improve the accuracy of reading. Preferably, the magnification of the magnifying glass 250 is 10 times.

[0040] The overtravel groove scale of the utility model is placed by the cooperation of the cooperation surface of the positioning support and the peripheral surface of the measured piece, the positioning of the scale can be realized, the first scale is attached to the peripheral surface, the second scale is attached to the end surface, and the measurement of the two direction dimensions of the overtravel groove can be realized. The overtravel groove scale of the utility model has the advantages of simple structure, convenient operation and use, accurate measurement data, and improvement of the technical problem that the size measurement of the overtravel groove is relatively difficult. Therefore, the utility model effectively overcomes some practical problems in the prior art, and has high utilization value and use significance.

[0041] The above embodiments only exemplarily illustrate the principles and effects of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the present application should be covered by the claims of the present application.

Claims

1. A gullet scale for measuring the size of a gullet, the gullet being located at the junction of an adjacent end surface and a peripheral surface, characterised in that, The application relates to a scale ruler, which comprises a positioning support and a scale ruler. The positioning support comprises a matching surface which is adapted to the circumferential surface. The scale ruler comprises a first scale ruler and a second scale ruler, the scale line of the first scale ruler extends along the generatrix of the circumferential surface, and the scale line of the second scale ruler extends along the radial direction of the end surface. The zero scale line position of the first scale ruler and the zero scale line position of the second scale ruler are connected.

2. The over-the-range slot scale of claim 1, wherein, When the positioning support is matched with the circumferential surface, the first scale ruler is attached to the circumferential surface, and the second scale ruler is attached to the end surface.

3. The over-the-range slot scale of claim 2, wherein, The scale ruler further comprises a connecting part which connects the positioning support and is connected with the first scale ruler and the second scale ruler.

4. The over-the-range slot scale of claim 3, wherein, The positioning support comprises a positioning plate which is fixedly connected with the connecting part.

5. The over-the-range slot scale of claim 4, wherein, The side of the positioning plate which is away from the connecting part comprises the matching surface which is attached to the circumferential surface.

6. The over-the-range slot scale of claim 4, wherein, The positioning support further comprises a movable plate which is rotationally connected with the positioning plate and is connected to one end of the positioning plate which is close to the connecting part.

7. The over-the-range slot scale of any of claims 5-6, wherein, The side of the positioning plate and the side of the movable plate which face the circumferential surface are both arc surfaces, and the axis of the arc surface is parallel to the axis of the circumferential surface.

8. The over-the-range slot scale of claim 2, wherein, The side of the positioning plate which faces the circumferential surface comprises a plane, and the side of the movable plate which faces the circumferential surface is a plane.

9. The over-the-range slot scale of claim 1, wherein, The positioning support comprises a locking device which is used for locking the movable plate and the positioning plate.

10. The over-the-range slot scale of claim 1, wherein, The side of the scale ruler which faces the circumferential surface is provided with a recess, and the recess is located between the connecting part and the first scale ruler. The included angle between the first scale ruler and the second scale ruler is phi, and 88 degrees 20 minutes <= phi <= 89 degrees 30 minutes. The scale ruler further comprises a magnifying glass which corresponds to the scale line of the first scale ruler and the scale line of the second scale ruler.

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