CN219223707U

CN219223707U - Sheet surface camber measuring device

Info

Publication number: CN219223707U
Application number: CN202320297964.1U
Authority: CN
Inventors: 康迪; 朱岩; 白书争; 高华
Original assignee: SF Diamond Co Ltd
Current assignee: SF Diamond Co Ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-06-20
Anticipated expiration: 2033-02-23

Abstract

The utility model relates to the field of measuring devices, in particular to a sheet surface camber measuring device. The sheet surface camber measuring device comprises a supporting seat, a distance measuring tool and a plane standard block, wherein a supporting structure and a limiting structure are arranged on the supporting seat; the distance measuring tool is fixed on the supporting seat and is used for measuring the horizontal bottom surface to determine a supporting reference surface of the supporting structure, measuring the lowest position of the arched surface, determining the camber of the arched surface through the difference between the distance between the arched surface and the supporting reference surface, enabling the sheet to be measured to be placed inside the supporting seat and keep the whole horizontal, and comparing the camber with the bottom surface of the plane standard block to obtain the camber of the surface. According to the scheme, the surface to be measured is directly measured during measurement, so that the operation steps are simplified, and the problems of high measurement cost and complex operation caused by the fact that a plane is firstly processed on a sheet for measuring the camber of the surface of the sheet in the prior art are solved.

Description

Sheet surface camber measuring device

Technical Field

The utility model relates to the field of measuring devices, in particular to a sheet surface camber measuring device.

Background

In the prior art, when machining and manufacturing a polycrystalline diamond blade (PCD blade for short), cobalt-tungsten alloy is often adopted as a matrix, and polycrystalline diamond is molded on the cobalt-tungsten alloy matrix. That is, the PCD blade is a composite material, and during the processing and manufacturing process, the PCD blade may arch to a certain extent on the surface of the polycrystalline diamond due to the difference in thermal expansion coefficients of the PCD blade and the PCD blade.

PCD blade processing requires accurate values of product camber, which can affect product use and processing efficiency, and therefore surface camber needs to be measured to facilitate subsequent polishing and other processes. The measurement method commonly adopted in the prior art is to process the bottom surface of the alloy matrix into a flat surface, and take the bottom surface of the alloy matrix as a reference surface to measure the camber of the PCD blade surface.

However, before the measurement, a plane needs to be machined on the PCD blade, and then the plane is used as a reference plane for measurement, in order to ensure the machining precision of the plane, a 3D scanning imaging technology is often used for scanning measurement, and then the plane is machined, the 3D scanning imaging equipment is expensive, the use cost is high, the user also needs professional training, the measurement cost is high, and the operation is complex.

Disclosure of Invention

The utility model aims to provide a sheet surface camber measuring device which is used for solving the problems of high measuring cost and complex operation caused by the fact that a plane is firstly processed on a sheet to serve as a reference plane in sheet surface camber measurement in the prior art.

In order to achieve the above purpose, the sheet surface camber measuring device in the utility model adopts the following technical scheme:

the sheet surface camber measuring device comprises a supporting seat, a distance measuring tool and a plane standard block, wherein a supporting structure for supporting the horizontal bottom surface of the plane standard block or the camber surface of a sheet to be measured is arranged on the supporting seat, and a limiting structure for limiting the periphery of the sheet to be measured so as to keep the whole sheet to be measured horizontal is also arranged on the supporting seat; the distance measuring tool is fixed on the supporting seat and is used for measuring the horizontal bottom surface to determine the supporting reference surface of the supporting structure and measuring the lowest position of the arched surface, so that the arch degree of the arched surface is determined through the difference between the distance between the arched surface and the supporting reference surface.

The beneficial effects of the technical scheme are that: the utility model provides a sheet surface camber measuring device, which is characterized in that a supporting structure for supporting the camber surface of a sheet to be measured is arranged on a supporting seat, and a limiting structure for limiting the periphery of the sheet to be measured is arranged, so that the sheet to be measured is placed in the supporting seat and kept at an integral level, namely, the sheet is aligned on the sheet surface camber measuring device, the lowest point of the camber surface is arranged downwards in a positive direction, and the measurement is convenient; the support reference surface of the support structure is determined by arranging a plane standard block by utilizing the horizontal bottom surface of the plane standard block, and then the distance difference between the lowest position on the arched surface of the sheet material and the support reference surface is measured by using a distance measuring tool fixed on the support seat, wherein the distance difference is the arch degree of the arched surface. According to the scheme, additional processing treatment is not needed to be carried out on the surface of the sheet before measurement, the surface to be measured is directly placed on the supporting structure for measurement, the operation steps are simplified, and the problems that in the prior art, the surface camber of the sheet is measured, and a plane is required to be processed on the sheet as a reference surface, so that the measurement cost is high and the operation is complex are solved.

Further, the supporting seat is provided with a step-shaped supporting groove, the supporting groove comprises a horizontal groove wall and a vertical groove wall vertically connected with the horizontal groove wall, and the vertical groove wall forms the limiting structure.

The beneficial effects of the technical scheme are that: the supporting groove has a simple structure and is convenient to process.

Further, the vertical groove walls are provided with at least three supporting ribs, and the heights of the top ends of the supporting ribs are the same to jointly form the supporting structure.

The beneficial effects of the technical scheme are that: the contact surface with the sheet to be measured is reduced, so that a supporting reference surface for supporting the sheet to be measured is formed well; the supporting ribs are directly arranged on the vertical groove walls, so that the supporting surface of the supporting structure is as close to the edge part of the sheet as possible when the sheet to be detected is supported, and measurement errors are reduced to the greatest extent.

Further, the vertical groove wall is a circular arc groove wall.

The beneficial effects of the technical scheme are that: the circular arc groove wall is convenient to match with the shape of the outer peripheral surface of the circular sheet material, and the limit is better carried out.

Further, the supporting seat comprises at least three supporting columns which are arranged at intervals along the circumferential direction, the supporting grooves are formed in the top ends of the supporting columns, and a picking and placing space for picking and placing the plane standard block and the sheet to be tested is formed at intervals between two adjacent supporting columns.

The beneficial effects of the technical scheme are that: the plane standard block and the sheet to be measured are conveniently taken and placed, and materials are saved, so that the sheet surface camber measuring device is lighter in weight and convenient to move.

Further, the supporting seat comprises at least three supporting columns which are arranged at intervals along the circumferential direction, and the supporting structure and the limiting structure are arranged at the top ends of the supporting columns.

The beneficial effects of the technical scheme are that: simple structure, the bearing structure of being convenient for and limit structure's setting.

Further, the distance measuring tool is a measuring meter, the measuring meter is a dial indicator or a dial indicator, the measuring meter comprises a dial plate and a measuring rod, and the measuring rod is provided with a measuring head for propping against the lowest position of the horizontal bottom surface or the arched surface.

The beneficial effects of the technical scheme are that: the dial indicator and the dial indicator can compare the measured difference values, and can be used for measuring after zeroing, so that the use is convenient; and be convenient for fix the setting on the supporting seat through the dead lever of amesdial and percentage table.

Further, the interval between the adjacent two support columns forms an installation space for installing the measuring meter and exposing the dial plate.

The beneficial effects of the technical scheme are that: the installation of the measuring meter is convenient, and the dial plate is exposed between two adjacent support columns to facilitate reading.

Further, the measuring meter further comprises a fixing rod, the supporting seat further comprises a connecting table connected with each supporting column, and the fixing rod penetrates through and is fixed on the connecting table.

The beneficial effects of the technical scheme are that: the measuring meter is convenient to fix.

Further, the connecting table comprises a platform plate and a sleeve fixed at the center of the platform plate, the platform plate is connected with each supporting column, the fixing rod penetrates through the platform plate and the sleeve, and a jacking screw for jacking and fastening the fixing rod is arranged on the sleeve.

The beneficial effects of the technical scheme are that: the connection and fixation of the measuring meter are convenient, and the initial position of the head of the measuring meter is convenient to adjust.

Drawings

Fig. 1 is a schematic structural view of example 1 of a sheet surface camber measuring device.

In the figure: 1. a support base; 11. an upper support column; 12. a lower support column; 13. a support groove; 14. a support rib; 15. a connection station; 16. a sleeve; 2. a dial gauge; 21. a dial; 22. a measuring rod; 23. a measuring head; 24. a fixed rod; 3. PCD blades.

Detailed Description

The features and capabilities of the present utility model are described in further detail below in connection with the examples.

Example 1 of sheet surface camber measuring device (hereinafter referred to as measuring device) in the present utility model:

in this embodiment, the sheet to be measured is placed in the supporting seat by setting the supporting seat, and then the sheet to be measured is arranged in the supporting seat by the measuring rod, and is attached to the surface of the sheet to be measured, so that the height of the middle position of the sheet to be measured relative to the protrusion of the supporting reference surface on the supporting seat is measured, and the camber of the sheet to be measured is obtained.

Specifically, as shown in fig. 1, the sheet to be measured is a circular PCD blade 3 in the present embodiment, however, in other embodiments, it is also possible to measure other sheets such as a lens or a glass sheet, and the shape of the sheet may be square or other shapes. In this embodiment, the measuring device includes a supporting seat 1, a distance measuring tool and a planar standard block (not shown in the figure), where the distance measuring tool is a measuring meter, and a dial indicator or a dial indicator may be used, in this embodiment, dial indicator 2 is used, and the planar standard block has a horizontal bottom surface.

Be provided with three support column on supporting seat 1, every support column all includes support column 11 and lower support column 12, the one end of keeping away from lower support column 12 of every support column 11 all is provided with step form supporting slot 13, supporting slot 13 includes horizontal cell wall and the perpendicular cell wall that links to each other perpendicularly with horizontal cell wall, all be provided with supporting rib 14 on every perpendicular cell wall, that is supporting rib 14 totally three, the height on each supporting rib 14 top is the same in order to constitute the bearing structure to PCD blade 3 support jointly, the top surface coplanarity of three supporting rib 14 has constituted the support datum plane. In addition, the vertical groove wall is a circular arc groove wall, and the circular arc groove wall is matched with the outer peripheral surface of the PCD blade 3 and is used for forming a limiting structure for limiting the PCD blade 3. Of course, in other embodiments, the number of ribs may be four, five, or other numbers. When measuring, the PCD blade 3 is supported by the supporting structure and is limited by the limiting structure, the whole PCD blade 3 is horizontally limited in the supporting seat 1, and the arch surface of the PCD blade 3 protrudes downwards from the supporting reference surface.

The dial indicator 2 comprises a dial 21 and a measuring rod 22, the measuring rod 22 is provided with a measuring head 23 for propping against the horizontal bottom surface or the lowest position of the arched surface, a fixed rod 24 which is collinear with the axis of the measuring rod 22 is also arranged on the dial indicator 2, and the measuring rod 22 can be penetrated in the fixed rod 24 in a floating way. The support base 1 further comprises a connection table 15, wherein the connection table 15 is positioned at a position where the upper support column 11 and the lower support column 12 are connected, and is connected with each support column, and the fixing rod 24 passes through and is fixed on the connection table 15. Specifically, the connection table 15 includes a platform plate and a sleeve 16 fixed at the center of the platform plate, the fixing rod 24 passes through the platform plate and the sleeve 16, and a tightening screw for tightening the fixing rod 24 is mounted on the sleeve 16, that is, the dial indicator 2 is fixed on the support base 1 through the fixing rod 24. The measuring head 23 of the dial indicator 2 is arranged upwards, the dial 21 is arranged on the inner side of the lower support column 12, gaps are kept between any two lower support columns 12 of the three lower support columns 12, so that an installation space for installing the dial indicator 2 and exposing the dial 21 is formed, and the measuring head 23 of the dial indicator 2 can freely perform telescopic movement to measure the distance. It should be noted that, in this embodiment, the dial indicator 2 is an electronic dial indicator, and the dial 21 is an electronic dial indicator, however, in other embodiments, the dial indicator may be a pointer dial indicator.

At the time of measurement, dial indicator 2 was fixed, and measurement was performed thereafter. Firstly, the measuring head 23 of the plane standard block, which faces the dial indicator 2, is placed on the supporting rib 14 and is pressed against the measuring head 23 of the dial indicator 2, at the moment, readings are generated on the dial indicator 2, the value of the dial indicator 2 at the moment is zeroed, then the plane standard block is taken down, the arched surface of the PCD blade faces the measuring head 23 of the dial indicator 2, the readings of the dial indicator 2 at the moment are read, and the data at the moment are the arching degree of the surface of the PCD blade. Of course, the horizontal bottom surface of the plane standard block and the arched surface of the PCD blade can be placed on the supporting rib 14 towards the measuring head 23 of the dial indicator 2, and the numerical values of the horizontal bottom surface and the arched surface of the PCD blade are read respectively, wherein the difference value of the two values is the camber of the surface of the PCD blade.

In example 2 of the sheet surface camber measuring device in the present utility model: for the arrangement of the connection station, the present embodiment proposes a new arrangement. Unlike embodiment 1, in this embodiment, no sleeve is provided, only a platen is provided, the platen is connected to the support column, a through hole through which the fixing rod of the dial gauge passes is provided in the middle of the platen, and a jack bolt is provided on the platen and extends in the radial direction of the through hole.

In example 3 of the sheet surface camber measuring device in the present utility model: for the fixation of the measuring rod, this embodiment proposes a new arrangement. Unlike embodiment 1, in this embodiment, a supporting block is disposed below the dial indicator, and a groove matched with the handle of the dial indicator is formed in the supporting block, and the dial indicator is placed on the supporting block to be fixed.

In example 4 of the sheet surface camber measuring device in the present utility model: the present embodiment proposes a new arrangement form for the arrangement of the installation space. Unlike embodiment 1, the supporting seat in this embodiment is not a supporting column, but is a cylindrical structure, and the cover plate is mounted at the bottom of the supporting seat, and when the cover plate is first opened, the dial indicator is put in place, and then the cover plate is sealed, and of course, the cover plate may not be provided. Meanwhile, an observation window is arranged on the side wall of the cylindrical structure of the supporting seat and used for observing the dial plate of the dial indicator.

In example 5 of the sheet surface camber measuring device in the present utility model: for the use of the ranging tool, the present embodiment proposes a new arrangement. Unlike example 1, the lowest position of the dome surface was measured using a laser range finder in this example. When the device is used, the plane standard block is firstly placed on the supporting structure, then the laser range finder is used for measuring the distance between the horizontal bottom surface of the plane standard block and the laser range finder, then the PCD blade is placed on the supporting structure, then the laser range finder is used for measuring the distance between the lowest position of the arched surface of the PCD blade and the laser range finder, and the difference value of the two is the surface camber of the PCD blade.

In example 6 of the sheet surface camber measuring device in the present utility model: the present embodiment proposes a new arrangement form for the arrangement of the supporting base. Unlike embodiment 1, in this embodiment, the supporting groove and the supporting column are not disposed any more, in this embodiment, the upper end of the supporting seat is of a cylindrical structure, the hole of the inner hole of the cylindrical structure is used for supporting the blade to be tested, and the limiting structure is a plurality of limiting columns disposed on the end face of the cylindrical structure. Of course, the supporting seat can also be set to three supporting columns, each supporting column is provided with an arc-shaped inner wall, the arc-shaped inner edges of the three supporting columns are used as supporting structures, and the limiting structures are a plurality of limiting columns arranged on the end faces of the supporting columns.

In example 7 of the sheet surface camber measuring device in the present utility model: with respect to the arrangement of the supporting grooves, the present embodiment proposes a new arrangement. Unlike embodiment 1, the support base is not provided with a support column at the upper end but with a support cylinder, and the support groove is provided at the upper end of the support cylinder, and comprises a horizontal groove wall and a vertical groove wall vertically connected with the horizontal groove wall. When the picking and placing are needed, the sucker is used for picking. Of course, in other embodiments, the support columns and the support slots can be provided, no support ribs are arranged in the support slots, the edge of the horizontal slot wall of the support slots is used as a support structure to support the PCD blade, and the vertical slot walls are used for limiting.

In example 8 of the sheet surface camber measuring device in the present utility model: for the arrangement of the vertical groove walls, this embodiment proposes a new arrangement. Unlike embodiment 1, the vertical groove wall in this embodiment is a vertical flat groove wall, and a sheet suitable for this case may be a circular sheet or a square sheet.

In example 9 of the sheet surface camber measuring device in the present utility model: for the arrangement of the support structure, a new arrangement is proposed in this embodiment. Unlike embodiment 1, in this embodiment, a support block is provided on the horizontal groove wall, by which the arched surface of the blade to be measured is supported.

The above description is only a preferred embodiment of the present utility model, and the patent protection scope of the present utility model is defined by the claims, and all equivalent structural changes made by the specification and the drawings of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a sheet surface camber measuring device which characterized in that: the device comprises a supporting seat (1), a distance measuring tool and a plane standard block, wherein a supporting structure for supporting the horizontal bottom surface of the plane standard block or the arched surface of a sheet to be measured is arranged on the supporting seat (1), and a limiting structure for limiting the periphery of the sheet to be measured so as to keep the whole sheet to be measured horizontal is also arranged on the supporting seat (1); the ranging tool is fixed on the supporting seat (1) and is used for measuring the horizontal bottom surface to determine the supporting reference surface of the supporting structure and measuring the lowest position of the arched surface, so that the arch degree of the arched surface is determined through the difference between the distance between the ranging tool and the supporting reference surface.

2. The sheet surface camber measuring device according to claim 1, wherein: the supporting seat (1) is provided with a step-shaped supporting groove (13), the supporting groove (13) comprises a horizontal groove wall and a vertical groove wall vertically connected with the horizontal groove wall, and the vertical groove wall forms the limiting structure.

3. The sheet surface camber measuring device according to claim 2, wherein: the vertical groove wall is provided with supporting ribs (14), the supporting ribs (14) are provided with at least three, and the heights of the top ends of the supporting ribs (14) are the same so as to jointly form the supporting structure.

4. The sheet surface camber measuring device according to claim 2, wherein: the vertical groove wall is a circular arc groove wall.

5. A sheet surface camber measuring device according to any one of claims 2-4, wherein: the supporting seat (1) comprises at least three supporting columns which are arranged at intervals along the circumferential direction, the supporting grooves (13) are formed in the top ends of the supporting columns, and a picking and placing space for picking and placing the plane standard block and the sheet to be tested is formed between two adjacent supporting columns.

6. A sheet surface camber measuring device according to any one of claims 1-4, wherein: the supporting seat (1) comprises at least three supporting columns which are arranged at intervals along the circumferential direction, and the supporting structure and the limiting structure are arranged at the top ends of the supporting columns.

7. The sheet surface camber measuring device according to claim 6, wherein: the distance measuring tool is a measuring meter, the measuring meter is a dial indicator (2) or a dial indicator, the measuring meter comprises a dial plate (21) and a measuring rod (22), and the measuring rod (22) is provided with a measuring head (23) which is used for propping against the lowest position of the horizontal bottom surface or the arched surface.

8. The sheet surface camber measuring device according to claim 7, wherein: the interval between two adjacent support columns forms an installation space for installing the measuring meter and exposing the dial plate (21).

9. The sheet surface camber measuring device according to claim 7, wherein: the measuring meter further comprises fixing rods (24), the supporting seat (1) further comprises connecting tables (15) connected with the supporting columns, and the fixing rods (24) penetrate through and are fixed on the connecting tables (15).

10. The sheet surface camber measurement device according to claim 9, wherein: the connecting table (15) comprises a platform plate and sleeves (16) fixed at the center of the platform plate, the platform plate is connected with each supporting column, fixing rods (24) penetrate through the platform plate and the sleeves (16), and jacking screws for jacking the fixing rods (24) are arranged on the sleeves (16).