CN211904122U

CN211904122U - Auxiliary detection support and coplane detection device

Info

Publication number: CN211904122U
Application number: CN202020391419.5U
Authority: CN
Inventors: 汪坤; 黎勇军; 姜华; 文铁琦
Original assignee: Shenzhen Hans CNC Technology Co Ltd
Current assignee: Shenzhen Hans CNC Technology Co Ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-11-10
Anticipated expiration: 2030-03-25

Abstract

The utility model relates to an auxiliary detection support and coplane detection device, this auxiliary detection support include bridge plate, loading board, first supporting shoe and second supporting shoe, the loading board is located one side of bridge plate, first supporting shoe with the second supporting shoe interval is located the opposite side of bridge plate, auxiliary detection support still includes a plurality of regulating parts, the one end threaded connection of regulating part in the loading board, other end butt in the bridge plate, the regulating part is used for the adjustment the loading board with the interval of bridge plate. Above-mentioned supplementary support that detects, regulating part and loading board threaded connection, and the tip of regulating part supports and holds in the bridge plate, and during the rotation regulating part, the axial of loading board along the regulating part rises or descends, and then the interval of loading board and bridge plate changes. By adjusting the distance between the bearing plate and the bridge plate, the reference surface of the bearing plate is kept horizontal by adopting a three-point leveling method, which is beneficial to improving the measurement precision.

Description

Auxiliary detection support and coplane detection device

Technical Field

The utility model relates to a detection device technical field especially relates to an auxiliary detection support and coplane detection device.

Background

The lathe bed of digit control machine tool is the basic piece of whole machine, and the machining precision of datum plane on the lathe bed has directly decided the whole assembly precision of later stage lathe. For some machine tools with multiple stations, a machine body is often provided with a finish machining surface for mounting components such as a linear guide rail, a grating ruler, an air floatation support and the like. Because the whole size of the lathe bed is larger, from the perspective of saving cost, the datum plane of the lathe bed is not made into a whole continuous surface, and a finish machining surface is arranged at the position on the lathe bed where a functional component needs to be installed. In the process of installing and debugging equipment, the flatness of a plurality of discretely distributed finish machining surfaces needs to be detected, and the conventional flatness detection equipment is usually provided with a bridge plate, so that the detection range of the flatness detection equipment is enlarged. In the long-term use process of the bridge plate, the surface in contact with the machine tool is inevitably worn, and the measurement precision is reduced.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide an auxiliary detection support for solving the problem that the surface of the bridge plate, which is in contact with the machine tool, is inevitably worn and the measurement accuracy is reduced during long-term use.

The utility model provides an auxiliary detection support, includes bridge plate, loading board, first supporting shoe and second supporting shoe, the loading board is located one side of bridge plate, first supporting shoe with the second supporting shoe interval is located the opposite side of bridge plate, auxiliary detection support still includes a plurality of regulating parts, the one end threaded connection of regulating part in the loading board, other end butt in the bridge plate, the regulating part be used for adjusting the loading board with the interval of bridge plate.

Above-mentioned supplementary support that detects, regulating part and loading board threaded connection, and the tip of regulating part supports and holds in the bridge plate, and during the rotation regulating part, the axial of loading board along the regulating part rises or descends, and then the interval of loading board and bridge plate changes. By adjusting the distance between the bearing plate and the bridge plate, the reference surface of the bearing plate is kept horizontal by adopting a three-point leveling method, which is beneficial to improving the measurement precision.

In one embodiment, the adjusting member is provided with a fitting hole, the fitting hole penetrates through the adjusting member, and the auxiliary detection bracket further comprises a connecting member, wherein the connecting member is arranged in the fitting hole in a penetrating manner and is connected to the bridge plate.

In one embodiment, the end of the adjusting piece is provided with a clamping groove.

In one embodiment, the outer surface of the adjusting member is further provided with a clamping part so as to clamp and fix the adjusting member.

In one embodiment, the end of the first support block facing away from the bridge plate has at least one support portion, and the end of the second support block facing away from the bridge plate has at least two support portions.

In one embodiment, a side of the bearing plate facing away from the bridge plate is a reference surface.

In one embodiment, the bridge plate comprises a main body and a mounting plate, wherein the mounting plate is fixedly arranged on the main body, and the width of the mounting plate is larger than that of the main body.

In one embodiment, the body is an aluminum alloy profile.

In one embodiment, the distance from the center of the bearing plate to both ends of the bridge plate is equal.

A coplane detection device comprises a level gauge and an auxiliary detection support, wherein the level gauge is placed on a bearing plate.

Drawings

FIG. 1 is a schematic view of an auxiliary detection bracket according to an embodiment;

FIG. 2 is a cross-sectional view of the auxiliary detection bracket of FIG. 1;

FIG. 3 is an enlarged view at C of FIG. 2;

FIG. 4 is a schematic view of an adjustment member of the auxiliary detection bracket of FIG. 2;

FIG. 5 is a schematic view of the horizontal adjustment of the carrier plate of the auxiliary detecting bracket shown in FIG. 1.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

For some machine tools with multiple stations, a machine body is often provided with a finish machining surface for mounting components such as a linear guide rail, a grating ruler, an air floatation support and the like. Because the whole size of the lathe bed is larger, from the perspective of saving cost, the datum plane of the lathe bed is not made into a whole continuous surface, and a finish machining surface is arranged at the position on the lathe bed where a functional component needs to be installed. During the installation and debugging of the equipment, the flatness of a plurality of discretely distributed finished surfaces needs to be detected. The utility model provides a coplane detection device can carry out coplane to a plurality of interval distribution's finish machining face on the lathe bed and detect.

The coplane detection device comprises a level gauge and an auxiliary detection support, the auxiliary detection support is arranged on the surface of the machine tool to be detected in a spanning mode, and the level gauge is placed on the auxiliary detection support. The machine tool is provided with a first finish machining surface and a second finish machining surface, and the coplanarity detection device can be used for coplanarity detection of the first finish machining surface and the second finish machining surface. Specifically, place the one end of supplementary detection support on first finish machining face, the other end is placed on second finish machining face, according to the reading of the spirit level of placing in supplementary detection support, can judge whether first finish machining face and second finish machining face are located the coplanar. Further, if the first finish machining face and the second finish machining face are not coplanar, an included angle between the first finish machining face and the second finish machining face can be tested, and the machine tool can be conveniently adjusted subsequently.

In particular, the level may be a bubble level or an electronic level. The bubble level meter is used for checking whether a machine installation surface or a flat plate is horizontal or not and measuring and knowing a measuring instrument for the inclination direction and the angle. The principle of the bubble level gauge is to utilize the characteristic that the bubble enclosed in the glass tube is always at the highest position. The bubble level gauge is externally provided with a frame seat made of high-grade steel, and the bottom of the frame seat is precisely machined to keep flat. The center of the frame seat is provided with a glass tube with a longitudinal round curve shape, the glass tube is filled with ether or alcohol, and a small bubble is left in the glass tube and is always positioned at the highest point in the glass tube. The glass tube is provided with scales at both ends of the bubble. The sensitivity of the common bubble level meter is 0.01mm/m, 0.02mm/m, 0.04mm/m, 0.05mm/m, 0.1mm/m, 0.3mm/m, 0.4mm/m and the like. For example, a level meter has a sensitivity of 0.01mm/m, and the level meter is placed on a straight gauge or a flat plate with a length of 1m, and when there is a difference in the sensitivity indication magnitude at one end, it means that there is a difference of 0.01mm in height at both ends of the straight gauge or the flat plate. The measuring part of the electronic level meter mainly comprises a shell, a micrometer device and an electrode bubble type sensor, and has high sensitivity.

Referring to fig. 1, the auxiliary detecting bracket 100 includes a bridge plate 10, a loading plate 20, a first supporting block 30 and a second supporting block 40. The bearing plate 20 is disposed on one side of the bridge plate 10, and the first and second support blocks 30 and 40 are spaced apart from each other on the other side of the bridge plate 10.

The bridge plate 10 comprises a main body 11 and a mounting plate 12, wherein the mounting plate 12 is fixedly arranged on the main body 11, and the width of the mounting plate 12 is larger than that of the main body 11. In order to reduce the overall weight of the auxiliary detection support 100, the sectional area of the main body 11 of the bridge plate 10 is smaller, and the installation plate 12 is arranged, so that the contact area between the bridge plate 10 and the bearing plate 20 can be effectively increased, and the bearing plate 20 and the installation plate 12 are convenient to assemble.

The main body 11 of the bridge plate 10 is an aluminum alloy profile. Because the aluminum alloy section bar has high strength and light weight, the auxiliary detection support 100 is ensured to have enough rigidity under the working condition that the bridge plate 10 has larger span, and the measurement precision can not be interfered by larger bending deformation caused by the dead weight and the weight of the level gauge, so that the coplanar detection device adopting the auxiliary detection support 100 can realize larger span measurement.

In one embodiment, the main body 11 of the bridge plate 10 is made of an aluminum profile with a cross-sectional dimension of 80mm × 120mm, which ensures that the bridge plate 10 has sufficient rigidity within a measuring span of 1.6 m without interfering with the measuring accuracy due to large bending deformation caused by the dead weight and the weight of the level. Meanwhile, the entire weight of the bridge deck 10 is not large, and it can be easily lifted by an operator to move the site.

The distance from the center of the bearing plate 20 to the two ends of the bridge plate 10 is equal, and the bearing plate 20 is located in the middle of the bridge plate 10, so that the weight of the level meter placed on the bearing plate 20 is uniformly distributed on the whole bridge plate 10, and the influence on the measurement result caused by the local large deformation of the bridge plate 10 is avoided.

In one embodiment, the end of the first support block 30 facing away from the bridge plate 10 has at least one support portion 31, and the end of the second support block 40 facing away from the bridge plate 10 has at least two support portions 41. During detection, the auxiliary detection bracket 100 is firstly placed on the surface of a machine tool to be detected, wherein the supporting part of the first supporting block 30 is positioned on the first finish machining surface, the supporting part of the second supporting block 40 is positioned on the second finish machining surface, and the bridge plate 10 spans between the first finish machining surface and the second finish machining surface. And then placing the level gauge on the bearing plate 20 of the auxiliary detection bracket 100, and testing whether the first finish machining surface and the second finish machining surface are positioned on the same plane or not through the level gauge.

Specifically, the first supporting block 30 comprises a supporting portion 31, the second supporting block 40 comprises two supporting portions 41, and according to the principle that three points determine a plane, three contact points are formed between the three supporting portions on the first supporting block 30 and the second supporting block 40 and the surface of the machine tool, so that the whole device has a determined placing posture during measurement without shaking, and the repeatability of a measurement result is ensured. The end of support 31/41 is formed with a tapered configuration or support 31/41 is curved in profile to minimize the contact area of support 31/41 with the machine tool surface.

In other embodiments, the sides of the first support block 30 and the second support block 40 away from the bridge plate may be configured as a disk shape, which can be brought into surface contact with the machine tool.

It should be noted that the first supporting block 30 and the second supporting block 40 are fixedly connected to the bridge plate 10 by screws, that is, the first supporting block 30 and the second supporting block 40 are detachably connected to the bridge plate 10, and the installation positions of the first supporting block 30 and the second supporting block 40 on the bridge plate 10 can be adjusted along the strip-shaped groove of the aluminum profile in the bridge plate 10 according to actual needs. Therefore, the span of the auxiliary detection support 100 is adjustable to cope with various different coplanar detection conditions, so that the application range of the coplanar detection device adopting the auxiliary detection support 100 is wider.

The side of the carrier plate 20 facing away from the bridge plate 10 is a reference surface 21, and the reference surface 21 is a finished surface, which has a high flatness. Because the surface of the bridge plate 10 is a non-precision surface and cannot be used as a measurement reference, the arrangement of the bearing plate 20 just makes up for the deficiency of the surface precision of the bridge plate 10 and avoids interference on the measurement result.

Further, referring to fig. 2 and fig. 3, the auxiliary detecting bracket 100 further includes a plurality of adjusting members 50, one end of each adjusting member 50 is connected to the bearing plate 20 through a screw, the other end of each adjusting member 50 abuts against the bridge plate 10, and the adjusting members 50 are used for adjusting the distance between the bearing plate 20 and the bridge plate 10. Since the end of the adjusting member 50 abuts against the bridge plate 10, when the adjusting member 50 is rotated, the bearing plate 20 is lifted or lowered along the axial direction of the adjusting member 50, and the distance between the bearing plate 20 and the bridge plate 10 is changed. In the auxiliary detection bracket 100, the surfaces of the first support block 30 and the second support block 40, which are in contact with the machine tool, are inevitably worn during long-term use, so that the measurement accuracy is reduced. By adjusting the distance between the bearing plate 20 and the bridge plate 10, the reference plane of the bearing plate 20 is ensured to be horizontal, which is beneficial to improving the measurement precision. In one embodiment, the number of the adjustment members 50 is 3.

The adjusting member 50 is provided with a catching groove 51. Specifically, the locking groove 51 may be an inner hexagonal socket, and the supporting height of the adjusting member 50 may be adjusted by an inner hexagonal wrench. The catching groove 51 may be provided in other shapes. When the reference surface of the bearing plate 20 is adjusted, a wrench can be put into the clamping groove 51, so that the adjusting piece 50 can be rotated conveniently.

The adjusting member 50 is further provided with a matching hole 52, and the clamping groove 51 and the matching hole 52 are mutually communicated. The auxiliary detecting bracket 100 further includes a connecting member 60, and the connecting member 60 is inserted into the fitting hole 52 and connected to the bridge plate 10. After the horizontal adjustment of the bearing plate 20 is completed, the adjusting member 50 can be fixed by the connecting member 60, so as to prevent the adjusting member 50 from displacing relative to the bridge plate 10. The attachment 60 may be embodied as a locking screw.

The mating bore 52 is a counterbore and the end of the connector 60 can snap fit into the counterbore to axially retain the adjuster 50.

Referring to fig. 4, the outer surface of the adjusting member 50 is further provided with a clamping portion 53 for clamping and fixing the adjusting member 50. After the horizontal adjustment is completed, when the adjusting member 50 is fixed by the connecting member 60, the adjusting member 50 may be driven to rotate relative to the bearing plate 20 during the process of tightening the connecting member 60, so as to change the distance between the bearing plate 20 and the bridge plate 10 and affect the adjustment result. A wrench may be used to engage the clamp portion 53 to limit rotation of the adjustment member 50. Specifically, the clamping portion 53 is a slot opened on both sides of the adjusting member 50. It will be appreciated that the adjustment member 50 should be located at an edge region of the carrier plate 20 to facilitate snap-fitting of the adjustment member 50.

It should be noted that, after the coplanarity detection device is installed for the first time, the first support block 30 and the second support block 40 are worn or the span of the bridge plate 10 is adjusted, the level of the reference surface of the bearing plate 20 needs to be adjusted again.

The specific adjustment steps are as follows: referring to fig. 5, the coplanar detection device is placed on the leveling platform 200, the level meter is sequentially placed on the reference surface of the bearing plate 20 along the direction a and the direction B shown in the figure, 3 adjusting members 50 are rotated by using a three-point leveling method until the reference surface of the bearing plate 20 is in a horizontal state, and then the adjusting members 50 are fixed on the bridge plate 10 to prevent the adjusting members 50 from displacing relative to the bridge plate 10.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides an auxiliary detection support, its characterized in that includes bridge plate, loading board, first supporting shoe and second supporting shoe, the loading board is located one side of bridge plate, first supporting shoe with the second supporting shoe interval is located the opposite side of bridge plate, auxiliary detection support still includes a plurality of regulating parts, the one end threaded connection of regulating part in the loading board, the other end butt in the bridge plate, the regulating part be used for adjusting the loading board with the interval of bridge plate.

2. The auxiliary detection bracket of claim 1, wherein the adjusting member has a fitting hole, the fitting hole extends through the adjusting member, and the auxiliary detection bracket further comprises a connecting member, the connecting member is inserted into the fitting hole and connected to the bridge plate.

3. The auxiliary detection bracket of claim 1, wherein the end of the adjusting member is provided with a snap groove.

4. The auxiliary detecting bracket as claimed in claim 1, wherein the outer surface of the adjusting member is further provided with a clamping portion for clamping and fixing the adjusting member.

5. The auxiliary detection bracket of claim 1, wherein the end of the first support block facing away from the bridge plate has at least one support portion and the end of the second support block facing away from the bridge plate has at least two support portions.

6. The auxiliary detection bracket of claim 1, wherein a side of the carrier plate facing away from the bridge plate is a reference surface.

7. The auxiliary detection bracket of any one of claims 1 to 6, wherein the bridge plate comprises a main body and a mounting plate, the mounting plate is fixedly arranged on the main body, and the width of the mounting plate is greater than that of the main body.

8. The auxiliary detection bracket of claim 7, wherein the body is an aluminum alloy profile.

9. The auxiliary detection bracket of any one of claims 1 to 6, wherein the distance from the center of the carrier plate to both ends of the bridge plate is equal.

10. Coplanar inspection device comprising a level and an auxiliary inspection support according to any one of claims 1 to 9, said level being placed on said carrier plate.