Gantry frame guide rail coplanar measuring device

Abstract

The utility model discloses a gantry frame guide rail coplanar measuring device, which belongs to the technical field of measuring devices, and comprises four measuring assemblies distributed in a matrix, the four measuring assemblies are respectively arranged at two ends of two guide rails, and each measuring assembly comprises a mounting column, a measuring column, a detection block, a clamping assembly and a driving piece; through the arrangement of the measuring assemblies, during measurement, the four measuring assemblies are fixed to the two ends of the two guide rails through the clamping assemblies respectively, then the driving part can be started to drive the measuring columns to ascend and descend, the measuring columns drive the detection blocks to ascend and descend, the lasers of any two opposite laser position indicators are adjusted to be collinear, and at the moment, the four detection blocks are kept in a coplanar state; at the moment, scales corresponding to the scale strips of the measuring columns at the upper ends of the mounting columns can be recorded, and the height difference between the two ends of the two guide rails is judged, so that whether the guide rails are coplanar or not is measured, the measuring difficulty is reduced, and the measuring precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of measuring device, and specifically relates to a gantry frame guide rail coplanar measuring device. BACKGROUND

[0002] With the development of society, the continuous improvement of technology, the requirement of equipment manufacturing industry to processing mother machine tool is higher and higher. Due to the development of heavy industry, the size of equipment parts is larger and larger, thereby needing large processing machine tool, especially large numerical control boring and milling machine. Two guide rails of gantry boring and milling machine are main components of machine tool, and the coplanar precision of two guide rail surfaces directly influences the precision of gantry frame, and finally influences the whole machine precision of product.

[0003] For the traditional method of measuring the coplanar of two guide rail surfaces of small and medium-sized gantry boring and milling machine, a long ruler is closely attached to the front of the plane guide rail, and the gap between the guide rail surface and the contact surface of the ruler is less than 0.015, that is, two guide rails are coplanar. For large heavy gantry boring and milling machine, the distance between two guide rails is large, and it is difficult and inaccurate to measure the coplanar of two guide rails by using a ruler, which influences the precision of the whole gantry frame and the whole machine. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a gantry frame guide rail coplanar measuring device to solve the problems in the background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a gantry frame guide rail coplanar measuring device, including four matrix distribution measuring assemblies, four measuring assemblies are arranged at two ends of two guide rails respectively, the measuring assembly includes an installation column, a measuring column, a detection block, a clamping assembly and a driving part, the clamping assembly is arranged on the side surface of the installation column, the installation column is fixed on the guide rail through the clamping assembly, the measuring column is slidably connected to the upper end of the installation column, the detection block is fixedly connected to the upper end of the measuring column, the driving part is arranged in the installation column, and the driving part is used to drive the measuring column to ascend and descend.

[0006] As a preferred implementation form, the clamping assembly includes two fixed plates fixedly connected to the side wall of the installation column, one of the fixed plates is internally screwed with a stud, and the stud is screwedly connected with a clamping plate at one end close to the other fixed plate.

[0007] As a preferred implementation form, the end of the stud away from the clamping plate is fixedly connected with a hand wheel.

[0008] As a preferred implementation form, two sides of the detection block are provided with laser positioners.

[0009] As a preferred implementation form, the driving part is an electric push rod.

[0010] As a preferred embodiment, a scale is arranged on the side wall of the measuring column.

[0011] Compared with the prior art, the present application has the following beneficial effects:

[0012] The gantry frame guide rail coplanar measuring device, through the setting of the measuring assembly, in measurement, four measuring assemblies are fixed to the two ends of the two guide rails through the clamping assembly, then the driving member is started to drive the measuring column to rise and fall, the measuring column drives the detection blocks to rise and fall, and the laser of any two laser positioners is adjusted to be collinear, at this time, the four detection blocks keep coplanar state, at this time, the corresponding scale of the upper end of the mounting column on the scale of the measuring column is recorded, the height difference between the two ends of the two guide rails is judged, whether the guide rails are coplanar is measured, the measurement difficulty is reduced, and the measurement precision is improved.

[0013] The gantry frame guide rail coplanar measuring device, through the setting of the clamping assembly, in the installation of the measuring assembly, the mounting column is abutted against the side surface of the guide rail, then the hand wheel is rotated, the hand wheel drives the stud to rotate, the clamping plate is driven to slide through the stud, the guide rail is clamped by the clamping plate and the fixed plate, and the mounting column can be fixed on the guide rail. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a schematic diagram of the overall structure of the present application;

[0015] Fig. 2 It is a schematic diagram of the structure of the measuring assembly of the present application;

[0016] Fig. 3 It is a schematic diagram of the internal structure of the mounting column of the present application.

[0017] In the figure: 1, measuring assembly; 11, mounting column; 12, measuring column; 13, detection block; 14, clamping assembly; 141, fixed plate; 142, stud; 143, clamping plate; 144, hand wheel; 15, driving member; 16, laser positioner; 17, scale. DETAILED DESCRIPTION

[0018] The present application will be further described below in conjunction with examples.

[0019] The following examples are used to illustrate the present application, but cannot be used to limit the protection scope of the present application. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements of the method of the present application under the concept of the present application all belong to the scope of protection required by the present application.

[0020] Please refer to Figs. 1-3The utility model provides a gantry frame guide rail coplanar measuring device, including four matrix distribution's measuring assembly 1, four measuring assembly 1 sets up respectively in two guide rails both ends, measuring assembly 1 includes installation column 11, measuring column 12, detection block 13, clamping assembly 14 and driving part 15, clamping assembly 14 sets up in the side of installation column 11, installation column 11 is fixed on the guide rail through clamping assembly 14, measuring column 12 is connected in the upper end of installation column 11 slidingly, detection block 13 is fixedly connected in the upper end of measuring column 12, driving part 15 sets up in installation column 11, and driving part 15 is used to drive measuring column 12 to go up and down, and driving part 15 is electric push rod, and the telescopic end of electric push rod is fixedly connected with the lower end of measuring column 12, and two sides of detection block 13 all are provided with laser positioner 16, and the side wall of measuring column 12 is provided with scale strip 17, through the setting of measuring assembly 1, when measuring, four measuring assembly 1 is fixed to the both ends of two guide rails through clamping assembly 14, then, can start driving part 15 and drive measuring column 12 to go up and down, make measuring column 12 drive detection block 13 to go up and down, adjust to the laser of any relative two laser positioner 16 collinear, four detection block 13 keep coplanar state at this time, at this time, the corresponding scale of the scale strip 17 of measuring column 12 on the upper end of installation column 11 can be recorded, the height difference between the both ends of two guide rails is judged, whether the guide rail is coplanar is measured, the measurement difficulty is reduced, and the measurement precision is improved.

[0021] Specifically, the clamping assembly 14 includes two fixed plates 141 fixedly connected to the side wall of the installation column 11, one of the two fixed plates 141 is internally threaded with a stud 142, one end of the stud 142 close to the other fixed plate 141 is threaded with a clamping plate 143, and the other end of the stud 142 away from the clamping plate 143 is fixedly connected with a hand wheel 144. Through the setting of the clamping assembly 14, when installing the measuring assembly 1, the installation column 11 is placed against the side of the guide rail, then the hand wheel 144 is rotated to drive the stud 142 to rotate, and the clamping plate 143 is driven to slide by the stud 142, so that the guide rail is clamped by the clamping plate 143 and the fixed plate 141, thereby the installation column 11 can be fixed on the guide rail.

[0022] The working principle and use flow of the utility model are: firstly, during measurement, four measurement components 1 are fixed to two ends of two guide rails respectively through clamping assembly 14, during installation of the measurement component 1, the mounting post 11 is abutted to the side of the guide rail, then hand wheel 144 is rotated, the hand wheel 144 drives stud 142 to rotate, the clamping plate 143 is driven to slide through stud 142, the clamping plate 143 is clamped to the guide rail in cooperation with the fixed plate 141, so that the mounting post 11 can be fixed on the guide rail, then, the driving part 15 can be started to drive the measurement post 12 to lift, the measurement post 12 drives the detection block 13 to lift, the laser of the two laser positioners 16 is adjusted to be collinear, at this time, four detection blocks 13 keep coplanar state, at this time, the corresponding scale of the upper end of the mounting post 11 on the scale bar 17 of the measurement post 12 can be recorded, the height difference between the two ends of the two guide rails is judged, so that whether the guide rails are coplanar can be measured.

[0023] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A gantry frame guide rail coplanarity measuring device comprising four matrix distributed measuring assemblies (1), characterized in that: Four measurement assemblies (1) are arranged at two ends of the two guide rails respectively, the measurement assembly (1) comprises a mounting column (11), a measuring column (12), a detection block (13), a clamping assembly (14) and a driving piece (15), the clamping assembly (14) is arranged on the side of the mounting column (11), the mounting column (11) is fixed on the guide rail through the clamping assembly (14), the measuring column (12) is slidingly connected to the upper end of the mounting column (11), the detection block (13) is fixedly connected to the upper end of the measuring column (12), and the driving piece (15) is arranged in the mounting column (11) and used for driving the measuring column (12) to ascend and descend.

2. A gantry frame rail co-planar measuring device according to claim 1, characterised in that: The clamping assembly (14) comprises two fixed plates (141) fixedly connected to the side wall of the mounting column (11), one of the fixed plates (141) is internally screwed with a stud (142), and the stud (142) is screwedly connected with a clamping plate (143) at one end close to the other fixed plate (141).

3. A gantry frame rail coplanarity measuring device according to claim 2, characterised in that: The stud (142) is fixedly connected with a hand wheel (144) at an end away from the clamping plate (143).

4. The coplanarity measuring device of claim 1, wherein: Two sides of the detection block (13) are provided with laser positioners (16).

5. The coplanarity measuring device of claim 1, wherein: The driving piece (15) is an electric push rod.

6. The coplanarity measurement device of claim 1, wherein: A scale bar (17) is arranged on the side wall of the measuring column (12).

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