High-precision workpiece measurement supporting device

Abstract

The utility model provides a high-precision workpiece measuring and supporting device which comprises a supporting and adjusting mechanism, the supporting and adjusting mechanism comprises a support and a plurality of adjusting tools, and each adjusting tool comprises a shell, a main adjusting shaft, a supporting part, a horizontal moving wedge block and a vertical moving wedge block. The main adjusting shaft drives the horizontal moving wedge block to move horizontally when rotating; the horizontal moving wedge block horizontally moves to drive the vertical moving wedge block to lift; the supporting component is connected to the vertical moving wedge block. According to the high-precision workpiece measurement supporting device, through cooperation of a plurality of adjusting tools, position adjustment of the supported high-precision workpiece to be measured can be achieved, flatness or straightness of the high-precision workpiece to be measured can be guaranteed, and then the high-precision workpiece measurement precision of a high-precision measuring machine can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical structures, and in particular relates to a high-precision workpiece measurement support device. Background Art

[0002] When using a high-precision measuring machine to measure workpieces, some specific high-precision workpieces may have different surface accuracies. For example, some high-precision workpieces have extremely high upper surface accuracy, but average lower surface accuracy. When measuring the upper surface, the lower surface of the workpiece is directly placed on the marble countertop in contact with the marble countertop. Although the marble countertop is ground to high precision, the shape and position tolerance of the lower surface of the workpiece itself will still cause slight deformation of the workpiece at different positions.

[0003] The deformation of these workpieces will have a great impact on the measurement results of high-precision workpieces. Therefore, when measuring high-precision workpieces, some adjustable clamps or support blocks are generally used to separate the workpieces from the marble table to improve the measurement accuracy. The adjustment accuracy of the support device directly affects the measurement accuracy of high-precision workpieces.

[0004] Similarly, when measuring long high-precision workpieces, support blocks are generally used at both ends of the workpiece. This type of workpiece is long and heavy, and the suspended part in the middle of the workpiece will bend to varying degrees due to its own gravity. For general workpieces that do not require high form and position tolerances such as flatness and straightness, or have large allowable errors, the deflection can be ignored. When measuring micron-level high-precision workpieces, the deflection will affect the measurement accuracy of the coordinate measuring machine for the form and position tolerances such as flatness and straightness of the workpiece. Therefore, for long high-precision workpieces, it is also urgent to design a support device with high adjustment accuracy to eliminate the adverse effects of the workpiece's own deflection on the measurement results. Summary of the invention

[0005] The utility model provides a high-precision workpiece measurement support device, which can improve the adjustment accuracy of the flatness, straightness, etc. of the high-precision workpiece, thereby improving the workpiece measurement accuracy.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is a high-precision workpiece measurement support device, comprising:

[0007] A support adjustment mechanism, the support adjustment mechanism comprising:

[0008] a support having a horizontal support surface;

[0009] A plurality of adjustment tools are arranged on the horizontal support surface;

[0010] The adjustment tooling includes a shell, a horizontally arranged main adjustment shaft, a vertically arranged supporting component, a horizontally movable wedge block and a vertically movable wedge block; the main adjusting shaft is rotatably arranged on the shell and is threadedly connected to the horizontally movable wedge block, so as to drive the horizontally movable wedge block to move horizontally when rotating; the horizontally movable wedge block and the vertically movable wedge block are both arranged in the shell and are in contact through inclined surface matching, so as to drive the vertically movable wedge block to rise and fall when the horizontally movable wedge block moves horizontally; a horizontal guiding structure and a vertical guiding structure are formed on the shell, so as to guide the horizontal movement of the horizontally movable wedge block and the vertical movement of the vertically movable wedge block respectively; the supporting component is connected to the vertically movable wedge block, and its top end has a supporting plane located above the shell.

[0011] The main adjustment shaft is connected to the horizontal moving wedge block via an M12*1.5 fine pitch thread, and the angle of the matching inclined surface between the horizontal moving wedge block and the vertical moving wedge block relative to the horizontal plane is 2°-3°.

[0012] The main adjustment shaft includes a rotating operating part and a main shaft part, the outer end of the main shaft part is located outside the shell, and the inner end is located inside the shell and is threadedly matched with the horizontal moving wedge block; the rotating operating part is fixedly connected to the outer end of the main shaft part, the shell is provided with a 360° circular scale, and the rotating operating part is provided with a pointer corresponding to the 360° circular scale.

[0013] The support component includes a support body and an adjustment pad;

[0014] The support body is connected to the vertically movable wedge block and can be raised and lowered relative to the vertically movable wedge block, and a ball socket is formed on the top surface of the support body;

[0015] An arc-shaped protrusion is formed on the bottom surface of the adjusting pad, and the arc-shaped protrusion is matched with the spherical surface of the ball socket, and the supporting plane is the top surface of the adjusting pad.

[0016] The housing is provided with a top cover, and the vertical guide structure is a through-portion formed on the top cover, and the through-portion is adapted to the circumferential contour shape of the vertically movable wedge block.

[0017] The top cover is provided with a through handle mounting hole, and a tooling handle is detachably mounted on the handle mounting hole.

[0018] There are multiple support adjustment mechanisms, and the multiple support adjustment mechanisms are arranged at intervals along the length direction of the high-precision workpiece to be measured, and jointly support the high-precision workpiece to be measured.

[0019] The high-precision workpiece measurement support device also includes a positioning component for positioning and fixing the plurality of support adjustment mechanisms. The positioning component is a multi-section structure sequentially spliced ​​along the length direction of the high-precision workpiece to be measured.

[0020] The number of the support adjustment mechanism is 1, and the high-precision workpiece measurement support device also includes two end support seats located on opposite sides of the support adjustment mechanism, and the two end support seats both have a top support plane, and the top support planes of the two end support seats are flush; the end support seats and the support adjustment mechanism are arranged at intervals along the length direction of the high-precision workpiece to be measured, and jointly support the high-precision workpiece to be measured.

[0021] The high-precision workpiece measurement support device also includes a positioning component for positioning and fixing the support adjustment mechanism and the end support seat respectively. The positioning component is a multi-section structure sequentially spliced ​​along the length direction of the high-precision workpiece to be measured.

[0022] Compared with the prior art, the utility model has the following advantages and positive effects:

[0023] 1. The high-precision workpiece measurement support device of the utility model is provided with a support adjustment mechanism, which includes a plurality of adjustment fixtures. The main adjustment shaft of the adjustment fixture is operated to drive the horizontal moving wedge block and the vertical moving wedge block to move synchronously, thereby driving the support component to rise and fall. Through the coordinated cooperation of the plurality of adjustment fixtures, the position adjustment of the supported high-precision workpiece to be measured can be realized to ensure its flatness or straightness, thereby facilitating the improvement of the measurement accuracy of the high-precision measuring machine for the high-precision workpiece;

[0024] 2. When measuring a long high-precision workpiece, the workpiece can be supported by the high-precision workpiece measurement support device of the utility model. By operating and adjusting the tooling, the adverse effect of the downward deflection caused by the gravity of the suspended part in the middle of the workpiece on the measurement result can be reduced or even eliminated, thereby improving the measurement accuracy of such high-precision workpieces. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0026] Figure 1 This is a three-dimensional structural diagram of the support adjustment mechanism in the embodiment of the utility model;

[0027] Figure 2This is a schematic diagram of the three-dimensional structure of the adjustment tool in the embodiment of the utility model;

[0028] Figure 3 for Figure 2 A top view of

[0029] Figure 4 for Figure 3 AA section view;

[0030] Figure 5 for Figure 2 Exploded diagram of

[0031] Figure 6 This is a three-dimensional structural diagram of a high-precision workpiece measurement support device from one perspective in an embodiment of the utility model;

[0032] Figure 7 This is a schematic diagram of the three-dimensional structure of the high-precision workpiece measurement support device in another embodiment of the utility model;

[0033] Figure 8 This is a schematic diagram of the structure of the joint of the positioning components in the embodiment of the utility model;

[0034] Fig. 9 It is a schematic diagram of the structure of using the high-precision workpiece measurement support device in the embodiment of the utility model to support a long-length high-precision workpiece.

[0035] Reference numerals:

[0036] 1. Support adjustment mechanism; 100, support; 110, horizontal support surface; 120, positioning notch; 130, positioning boss; 200, adjustment tool; 210, housing; 211, mounting hole; 212, first shoulder; 213, horizontal guide structure; 214, vertical guide structure; 215, 360° circular scale; 216, positioning notch; 220, main adjustment shaft; 221, second shoulder; 222, rotation operation part ; 223, spindle; 224, pointer; 230, support member; 231, support plane; 232, support body; 233, adjustment pad; 234, ball socket; 235, arc-shaped protrusion; 240, horizontal moving wedge; 241, top surface; 242, slide groove; 250, vertical moving wedge; 251, bottom surface; 260, angular contact bearing; 270, top cover; 271, handle mounting hole; 300, magnetic seat;

[0037] 2. End support seat; 2.1. Top support plane;

[0038] 3. Positioning component; 3.1. Positioning component subsection; 3.2. First joint; 3.3. Second joint;

[0039] 4. Marble countertops;

[0040] 5. Long-length and high-precision workpieces to be measured. DETAILED DESCRIPTION

[0041] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0043] In some embodiments of the utility model, a high-precision workpiece measurement support device is provided, including a support adjustment mechanism 1.

[0044] Reference Figures 1 to 5 The support and adjustment mechanism 1 includes a support 100 and a plurality of adjustment fixtures 200 .

[0045] The support 100 is the installation base of the support adjustment mechanism 1, and its structure is approximately rectangular. The entire support adjustment mechanism 1 can be installed on the work surface (such as the marble table 4) of the high-precision measuring machine through the support 100. The support 100 has a horizontal support surface 110, which is usually its top surface.

[0046] A plurality of adjustment tools 200 are arranged on the horizontal support surface 110. Figure 1 Two adjustment fixtures 200 are symmetrically arranged on the horizontal support surface 110 of the support 100, and the adjustment fixtures 200 are used to support and adjust the flatness and straightness of the supported high-precision workpiece to be measured. The specific number and layout of the adjustment fixtures 200 are determined by the size of the supported high-precision workpiece to be measured. If the size of the workpiece is large, more adjustment fixtures 200 can be arranged, such as three or four, arranged in a triangle or four corners, etc.

[0047] like Figures 2 to 5 As shown, the adjustment tool 200 includes a housing 210 , a horizontally arranged main adjustment shaft 220 , a vertically arranged support component 230 , a horizontally movable wedge block 240 and a vertically movable wedge block 250 .

[0048] At least two semicircular positioning notches 216 are formed at the bottom of one end of the housing 210, and corresponding positioning bosses 130 are provided on the horizontal support surface 110 of the support 100. When the adjustment tool 200 is fixed on the support 100, the positioning notches 216 thereof are positioned and matched with the positioning bosses 130 of the support 100, and then the adjustment tool 200 is fixed on the support 100 by a magnetic suction seat.

[0049] The main adjustment shaft 220 is rotatably disposed on the housing 210 and is threadedly connected to the horizontally movable wedge block 240 so as to drive the horizontally movable wedge block 240 to move horizontally when rotating. Specifically, the shell 210 is a hollow shell 210 with an opening at the upper end, and its inner bottom surface 251 has a horizontal portion. A mounting hole 211 with a horizontal axis is formed on its circumferential side plate, and a first shoulder 212 is formed on the inner wall of the mounting hole 211; a second shoulder 221 is formed on the main adjustment shaft 220, and the main adjustment shaft 220 is rotatably mounted in the mounting hole 211 through two angular contact bearings 260 arranged along the axial direction. The two angular contact bearings 260 clamp the first shoulder 212 of the mounting hole 211 therein, and the second shoulder 221 of the main adjustment shaft 220 and the first shoulder 212 of the mounting hole 211 clamp the shoulder on the inner side therein, so that the main adjustment shaft 220 can rotate freely without obstruction and cannot move axially. One end of the main adjustment shaft 220 is located outside the shell 210, which can be called an outer end, and the other end is located inside the shell 210, which can be called an inner end.

[0050] The horizontally movable wedge block 240 and the vertically movable wedge block 250 are both arranged in the shell 210 and contact each other through inclined surfaces, so that the horizontal movement of the horizontally movable wedge block 240 drives the vertically movable wedge block 250 to rise and fall; a horizontal guiding structure 213 and a vertical guiding structure 214 are formed on the shell 210 to guide the horizontal movement of the horizontally movable wedge block 240 and the vertical movement of the vertically movable wedge block 250 respectively; the supporting component 230 is connected to the vertically movable wedge block 250, and is used to contact the high-precision workpiece to be measured to support the workpiece, and the top end of the supporting component 230 has a supporting plane 231 located above the shell 210.

[0051] Specifically, the bottom surface of the horizontal moving wedge 240 is a horizontal surface, which is slidably matched with the horizontal part of the inner bottom surface of the housing 210, and the top surface 241 of the horizontal moving wedge 240 is an inclined surface; the vertical moving wedge 250 is located above the horizontal moving wedge 240, and its bottom surface 251 is an inclined surface, which is adapted and fitted with the inclined surface of the top surface 241 of the horizontal moving wedge 240. When the main adjustment shaft 220 rotates, since it is threadedly matched with the horizontal moving wedge 240, and the horizontal moving wedge 240 is guided by the horizontal guide structure 213, the rotation of the main adjustment shaft 220 drives the horizontal moving wedge 240 to move horizontally along the axial direction of the main adjustment shaft 220; and the vertical moving wedge 250 is matched with the inclined surface of the horizontal moving wedge 240 and is guided by the vertical guide structure 214, so the horizontal movement of the horizontal moving wedge 240 drives the vertical moving wedge 250 to move up and down, and then drives the high-precision workpiece to be measured to move up and down through the support component 230.

[0052] Through the coordinated cooperation of multiple adjustment fixtures 200, the position of the supported high-precision workpiece to be measured can be adjusted to ensure its flatness or straightness, which is beneficial to improving the measurement accuracy of the high-precision measuring machine for the high-precision workpiece.

[0053] In some embodiments of the utility model, the main adjustment shaft 220 and the horizontal moving wedge block 240 are connected by M12*1.5 fine pitch threads, that is, the thread diameter is 12mm and the pitch is 1.5mm. Then, for every rotation of the main adjustment shaft 220, the horizontal moving wedge block 240 moves forward or backward horizontally by 1.5mm; the angle of the matching inclined surface between the horizontal moving wedge block 240 and the vertical moving wedge block 250 relative to the horizontal plane is 2°-3° (specifically 2.29°). Then, for every advance or retreat of 1.5mm of the horizontal moving wedge block 240, the vertical moving wedge block 250 rises or falls by about 0.06mm, that is, the main adjustment shaft 220 rotates 360°, and the high-precision workpiece to be measured rises or falls by 0.06mm. Furthermore, by controlling the number of rotation gears and the angle of each gear of the main adjustment shaft 220, for example, one circle is divided into 60 gears, each gear is 6°, and the high-precision workpiece to be measured rises or falls 1μm with each rotation of one gear, thereby achieving 1-micron-level adjustment of the high-precision workpiece to be measured, thereby improving the adjustment accuracy, which in turn is beneficial to improving the measurement accuracy.

[0054] In some embodiments of the present invention, the main adjustment shaft 220 includes a rotation operation part 222 and a main shaft part 223, the outer end of the main shaft part 223 is located outside the housing 210, and the inner end is located inside the housing 210 and is threadedly matched with the horizontal moving wedge 240; the rotation operation part 222 is fixedly connected to the outer end of the main shaft part 223; a 360° circular scale 215 is provided on the outer surface of the circumferential side plate corresponding to the housing 210, and the 360° circular scale 215 surrounds the mounting hole 211 of the housing 210; and a pointer 224 corresponding to the 360° circular scale 215 is provided on the rotation operation part 222. In this way, the rotation angle of the main adjustment shaft 220 can be accurately controlled.

[0055] Specifically, taking the 360° circular scale 215 on the outer surface of the circumferential side plate corresponding to the housing 210 including 60 uniformly arranged scale lines as an example, correspondingly, the 8 pointers 224 uniformly arranged along the circumference on the rotating operating part 222, if one of the two adjacent pointers 224 coincides with one of the scale lines, the other must be between the two adjacent scale lines. Still taking the main adjustment shaft 220 and the horizontal moving wedge block 240 connected by M12*1.5 fine pitch thread, the angle of the matching inclined surface between the horizontal moving wedge block 240 and the vertical moving wedge block 250 relative to the horizontal plane is 2.29° as an example, then the theoretical adjustment accuracy of the adjustment fixture 200 is 0.5μm.

[0056] In order to further improve the convenience of adjustment, in some embodiments of the present invention, Figures 1 to 5 As shown, the support component 230 includes a support body 232 and an adjustment pad 233. The support body 232 is connected to the vertical moving wedge 250 and can be raised and lowered relative to the vertical moving wedge 250. A ball socket 234 is formed on the top surface of the support body 232; an arc-shaped protrusion 235 is formed on the bottom surface of the adjustment pad 233, and the arc-shaped protrusion 235 is spherically matched with the ball socket 234. The support plane 231 is the top surface of the adjustment pad 233, that is, the top surface of the adjustment pad 233 is directly in contact with the high-precision workpiece to be measured.

[0057] The support body 232 is used to lift the support member 230 relative to the vertical moving wedge 250, and then the high-precision workpiece to be measured can be roughly adjusted to improve the adjustment efficiency and convenience. Specifically, the support body 232 and the vertical moving wedge 250 are loosely connected through the Tr20*2 trapezoidal thread, so that the support body 232 can rotate freely to rise or fall to a rough position to achieve rough adjustment of the workpiece position.

[0058] The spherical match between the ball socket 234 on the top surface of the support body 232 and the arc-shaped protrusion 235 on the bottom surface of the adjustment pad 233 can achieve automatic compensation and centering when the bottom surface of the high-precision workpiece to be measured has a certain inclination, thereby improving the support stability.

[0059] The overall adjustment process of the high-precision workpiece to be measured is: first adjust the support component 230 to make it contact with the high-precision workpiece to be measured, and then perform precision adjustment through the main adjustment shaft 220. As mentioned above, the theoretical adjustment accuracy of the main adjustment shaft 220 is 0.5μm.

[0060] In some embodiments of the present invention, the housing 210 is provided with a top cover 270 to improve the sealing performance, and the top cover 270 can be screwed and connected to the top surface of the housing 210. Accordingly, the vertical guide structure 214 is a through-portion formed on the top cover 270, and the through-portion is adapted to the circumferential contour shape of the vertical moving wedge 250. The through-portion can be a rectangular through hole or a circular through hole, etc., and accordingly, the cross section of the vertical moving wedge 250 is a rectangle or a circle, and the cross section of the vertical moving wedge 250 is a rectangle or a circle, such as Figures 1 to 5 The upper part of the vertical moving wedge block 250 is adapted to be inserted into the through-hole, and the through-hole and the vertical moving wedge block 250 are matched with a small gap, so that the vertical moving wedge block 250 can only move and rise in the vertical direction.

[0061] The horizontal guide structure 213 can be a slide rail formed on opposite sides of the inner bottom surface of the shell 210. Correspondingly, a slide groove 242 is formed on the bottom surface of the horizontal moving wedge block 240. The slide groove 242 slidably cooperates with the slide rail, and lubricating oil can be applied to the cooperation position.

[0062] Furthermore, a through handle mounting hole 271 is provided on the top cover 270, and a tool handle (not shown) is detachably mounted on the handle mounting hole 271. The tool handle can be a spherical grip, symmetrically arranged at two locations, to facilitate the taking and adjusting of the tool 200; the handle mounting hole 271 is a through hole, and the tool handle is detachable, so lubricating oil can be conveniently added to the inside of the tool through the hole to ensure the normal operation of the tool inside and increase the service life.

[0063] Reference Figure 6 , Figure 7 and Fig. 9 For a long high-precision workpiece 5 to be measured, a plurality of support adjustment mechanisms 1 may be provided, and the plurality of support adjustment mechanisms 1 are arranged at intervals along the length direction of the high-precision workpiece to be measured to jointly support the high-precision workpiece to be measured. The flatness and straightness of the long high-precision workpiece 5 to be measured are improved by coordinated adjustment of the plurality of adjustment fixtures 200 of the plurality of support mechanisms, and the adverse effect of the downward deflection caused by the gravity of the workpiece due to its own length on the measurement result can be eliminated as much as possible by adjusting the adjustment fixtures 200 of the support adjustment mechanism 1 near the middle position.

[0064] As another embodiment, the number of the support adjustment mechanism 1 is one, and the high-precision workpiece measurement support device also includes two end support seats 2 located on opposite sides of the support adjustment mechanism 1, and the two end support seats 2 both have a top support plane 2.1, and the top support planes 2.1 of the two end support seats 2 are flush; the two end support seats 2 and the support adjustment mechanism 1 are spaced apart along the length direction of the high-precision workpiece, and the support adjustment mechanism 1 is located between the two end support seats 2, and the three together support the high-precision workpiece to be measured.

[0065] The end support seat 2 can be a block structure processed with high precision, without adjustment function, supporting the two ends of a long and high-precision workpiece 5, and the middle support adjustment mechanism 1 supports the middle position of the workpiece. By coordinated adjustment of multiple adjustment fixtures 200, the adverse effect of the downward deflection caused by the gravity of the workpiece due to its excessive length on the measurement result can be eliminated as much as possible.

[0066] Furthermore, in some embodiments of the present invention, the high-precision workpiece measurement support device further includes a positioning component 3. When measuring a high-precision workpiece to be measured with a relatively long length, multiple support adjustment mechanisms 1 are required to be positioned and fixed, or two end support seats 2 and one support adjustment mechanism 1 are positioned and fixed. Figure 6 , Figure 7 and Fig. 9 Taking the example of a workpiece supported by two end support seats 2 and a support adjustment mechanism 1, the positioning component 3 is first installed and fixed on the marble table 4, and then the two end support seats 2 and the support adjustment mechanism 1 are installed in sequence under the positioning action of the positioning component 3.

[0067] like Figure 6 , Figure 7 and Fig. 9 As shown, the positioning component 3 can be a long L-shaped stopper, with a plurality of screw holes provided along its length direction, and can be fastened to the corresponding position on the marble countertop 4 by screws. An L-shaped positioning slot 120 is formed on one side of the bottom surface of the support 100 of the support adjustment mechanism 1. After the positioning component 3 is installed in place, the support adjustment mechanism 1 is positioned by the L-shaped positioning slot 120 of its support 100 and the L-shaped stopper adapter, and then fixed on the marble countertop 4; similarly, an L-shaped positioning slot is also formed on one side of the bottom surface 251 of the end support seat 2. The end support seat 2 is positioned by the L-shaped positioning slot and the L-shaped stopper adapter, and then fixed on the marble countertop 4.

[0068] In some embodiments of the utility model, the positioning component 3 is a multi-section structure that is spliced ​​sequentially along the length direction of a long high-precision workpiece 5 to be measured, that is, it includes multiple positioning component sub-segments 3.1. Then, an appropriate number of positioning component sub-segments 3.1 can be selected according to the length of the workpiece to be measured to splice into a positioning component 3 of appropriate length size to improve convenience and versatility of use.

[0069] like Figure 8 As shown, two adjacent positioning component sub-segments 3.1 are connected by screws, wherein the joint component of one positioning component sub-segment 3.1 forms a convex first joint 3.2, and the joint component of the other positioning component sub-segment 3.1 forms a concave second joint 3.3, and the first joint 3.2 is adapted to be arranged in the second joint 3.3 and then connected by screws.

[0070] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A high-precision workpiece measurement support device, characterized in that: include: A support adjustment mechanism, the support adjustment mechanism comprising: a support having a horizontal support surface; A plurality of adjustment tools are arranged on the horizontal support surface; The adjustment tooling includes a shell, a horizontally arranged main adjustment shaft, a vertically arranged supporting component, a horizontally movable wedge block and a vertically movable wedge block; the main adjusting shaft is rotatably arranged on the shell and is threadedly connected to the horizontally movable wedge block, so as to drive the horizontally movable wedge block to move horizontally when rotating; the horizontally movable wedge block and the vertically movable wedge block are both arranged in the shell and are in contact through inclined surface matching, so as to drive the vertically movable wedge block to rise and fall when the horizontally movable wedge block moves horizontally; a horizontal guiding structure and a vertical guiding structure are formed on the shell, so as to guide the horizontal movement of the horizontally movable wedge block and the vertical movement of the vertically movable wedge block respectively; the supporting component is connected to the vertically movable wedge block, and its top end has a supporting plane located above the shell.

2. The high-precision workpiece measurement support device according to claim 1, characterized in that: The main adjustment shaft is connected to the horizontal moving wedge block via an M12*1.5 fine pitch thread, and the angle of the matching inclined surface between the horizontal moving wedge block and the vertical moving wedge block relative to the horizontal plane is 2°-3°.

3. The high-precision workpiece measurement support device according to claim 2, characterized in that: The main adjustment shaft includes a rotating operating part and a main shaft part, the outer end of the main shaft part is located outside the shell, and the inner end is located inside the shell and is threadedly matched with the horizontal moving wedge block; the rotating operating part is fixedly connected to the outer end of the main shaft part, the shell is provided with a 360° circular scale, and the rotating operating part is provided with a pointer corresponding to the 360° circular scale.

4. The high-precision workpiece measurement support device according to claim 1, characterized in that: The support component includes a support body and an adjustment pad; The support body is connected to the vertically movable wedge block and can be raised and lowered relative to the vertically movable wedge block, and a ball socket is formed on the top surface of the support body; An arc-shaped protrusion is formed on the bottom surface of the adjusting pad, and the arc-shaped protrusion is matched with the spherical surface of the ball socket, and the supporting plane is the top surface of the adjusting pad.

5. The high-precision workpiece measurement support device according to claim 1, characterized in that: The shell is provided with a top cover, and the vertical guide structure is a through-portion formed on the top cover, and the through-portion is adapted to the circumferential contour shape of the vertically movable wedge block.

6. The high-precision workpiece measurement support device according to claim 5, characterized in that: The top cover is provided with a through handle mounting hole, and a tooling handle is detachably mounted on the handle mounting hole.

7. The high-precision workpiece measurement support device according to claim 1, characterized in that: There are multiple support adjustment mechanisms, and the multiple support adjustment mechanisms are arranged at intervals along the length direction of the high-precision workpiece to be measured, and jointly support the high-precision workpiece to be measured.

8. The high-precision workpiece measurement support device according to claim 7, characterized in that: The high-precision workpiece measurement support device also includes a positioning component for positioning and fixing the plurality of support adjustment mechanisms. The positioning component is a multi-section structure sequentially spliced ​​along the length direction of the high-precision workpiece to be measured.

9. The high-precision workpiece measurement support device according to claim 1, characterized in that: The number of the support adjustment mechanism is 1, and the high-precision workpiece measurement support device also includes two end support seats located on opposite sides of the support adjustment mechanism, and the two end support seats both have a top support plane, and the top support planes of the two end support seats are flush; the end support seats and the support adjustment mechanism are arranged at intervals along the length direction of the high-precision workpiece to be measured, and jointly support the high-precision workpiece to be measured.

10. The high-precision workpiece measurement support device according to claim 9, characterized in that: The high-precision workpiece measurement support device also includes a positioning component for positioning and fixing the support adjustment mechanism and the end support seat respectively. The positioning component is a multi-section structure sequentially spliced ​​along the length direction of the high-precision workpiece to be measured.

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