A utensil is examined to short-term test profile tolerance for aluminium alloy
Technical Field
The utility model relates to the field of aluminum profile contour detection tools, in particular to a rapid contour degree detection tool for aluminum profiles.
Background
Current automotive part products often have complex shaped CNC machined parts, such as a CNC welded aluminum profile part shown in fig. 1, with a bottom surface, flanges, wings and tails. The bottom surface is provided with a first threaded hole and a second threaded hole, and reference position requirements are met for the two threaded holes. The flange is provided with a plane and a curved surface connected with the plane, the plane is provided with a round hole extending along the direction perpendicular to the plane, and the curved surface is provided with surface profile requirements for two opening surfaces in a symmetrical mode.
In the prior art, for the size control, the position degree and the contour degree detection of the CNC welding parts with complex shapes, a three-coordinate detection machine is generally adopted to ensure the reliability of each index of the CNC welding parts by batch sampling inspection. The three-coordinate detecting machine has the advantages of expensive equipment, long detecting time and low detecting efficiency on the small plane, so that the three-coordinate detecting machine is difficult to be suitable for the mass production process of products.
Disclosure of utility model
The utility model provides a rapid profile detection tool for aluminum profiles, which is used for detecting profiles of aluminum profile products with complex profiles, and solves the problems of long detection time and low detection efficiency existing in the prior art that a three-coordinate detection machine is adopted.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The quick profile detection gauge for the aluminum profile comprises a base, a plurality of profile modeling components are mounted on the base, each profile modeling component surrounds a frame shape on the base, the inner shape of the frame shape surrounded by each profile modeling component is profiled to the profile of the aluminum profile to be detected, the aluminum profile to be detected is accommodated in the frame shape, reference positioning blocks are mounted on the inner walls of part of the profile modeling components respectively and used for carrying out reference positioning on the aluminum profile to be detected, and the quick profile detection gauge also comprises a stop detection plug gauge, wherein the stop detection plug gauge is used for detecting the profile of the aluminum profile to be detected in the frame shape.
Furthermore, the base is provided with a plurality of calibration origin references serving as zero reference, and zero reference calibration of the whole gauge is realized through the plurality of calibration origin references.
Furthermore, three-point reference positioning is formed on the aluminum profile to be tested through a plurality of reference positioning blocks.
Furthermore, locating pins are movably arranged on the base corresponding to the positions of the profiling assemblies respectively, the locating pins penetrate through the corresponding profiling assemblies and extend into the frame, and the locating pins are used for locating the aluminum profile to be detected.
According to the utility model, the aluminum profile to be detected is arranged in a frame formed by the encircling of the profiling assembly, the reference positioning block is matched with the positioning pin to perform reference positioning on the aluminum profile to be detected, and the through-stop detection plug gauge is utilized to walk in the frame to realize the detection of the outline of the aluminum profile to be detected. Zero reference calibration of the whole gauge is realized by calibrating an origin reference before detection.
Compared with the prior art, the utility model has the advantages that:
Compare three-dimensional detection machine detection face profile degree, this examine utensil encloses the frame through setting up with waiting to detect aluminium alloy shape assorted profile modeling subassembly, cooperates to stop detecting the plug gauge and waits to detect the appearance profile degree of aluminium alloy, can detect fast and wait to detect whether the face profile degree of aluminium alloy is qualified, can satisfy quick, batch, the quality control requirement of accurate inspection waiting to detect aluminium alloy profile degree, has the advantage that detection speed is fast, and efficiency is higher, and whole examine utensil simple structure, with low costs to have convenient operation's characteristics.
Drawings
Fig. 1 is an aluminum profile part of complex shape.
FIG. 2 is a schematic diagram of an embodiment of the present utility model.
Fig. 3 is a front view of the structure of an embodiment of the present utility model.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
As shown in fig. 2 and 3, this embodiment discloses a quick detection profile tolerance gauge for aluminum profiles, including a square base 1 placed horizontally, a plurality of feet 8 are fixed at the bottom of the base 1, a handle 7 is fixedly connected to one side of the base 1, a plurality of profiling assemblies 3 are arranged on the top surface of the base 1, and this embodiment is illustrated by taking four profiling assemblies 3 as an example.
Each profiling assembly 3 is fixedly mounted on the base 1 through bolts and nuts, four profiling assemblies 3 enclose a frame shape on the base 1, the four profiling assemblies 3 form a frame shape inner shape on the inner wall of the frame shape, the frame shape inner shape is designed into a shape which is profiling the outline of the aluminum profile to be tested according to the design drawing of the aluminum profile to be tested, the aluminum profile to be tested is contained in the frame shape, and a gap between the peripheral outer wall of the aluminum profile to be tested and the corresponding frame wall in the frame shape is designed to be 1mm.
The rear profile modeling unit 3 is provided with a reference positioning block 4 on the inner wall of the frame shape (i.e. the frame-shaped rear side frame wall) and the right profile modeling unit is provided with a reference positioning block 4 on the inner wall of the frame shape (i.e. the frame-shaped right side frame edge). Specifically, the surface of the reference positioning block 4 facing the inner wall of the corresponding profiling assembly 3 is connected with a cylindrical pin column and a conical screw, the cylindrical pin column of the reference positioning block 4 is inserted into the positioning pin hole of the inner wall of the corresponding profiling assembly 3, and the conical screw of the reference positioning block 4 penetrates through the through hole of the corresponding profiling assembly 3 and is locked through the nut, so that the reference positioning block 4 is fixedly installed on the inner wall of the corresponding profiling assembly 3.
In this embodiment, a reference positioning block 4 is installed on the inner wall of the rear profiling module 3 as a B-plane reference, and two reference positioning blocks 4 distributed horizontally side by side are installed on the inner wall of the right profiling module as a-plane reference, so that three-point reference positioning can be formed on the aluminum alloy profile to be measured.
In this embodiment, positioning pins 6 are further configured in opposite side directions of the reference positioning blocks on each side, and are used for matching with the reference positioning blocks to position the aluminum alloy section to be measured. Specifically, the front position of the profiling assembly positioned at the front side and the left position of the direction assembly positioned at the left side on the base 1 are respectively fixed with a mounting seat, the mounting seats are respectively provided with a guide channel, and the guide direction of the guide channel is horizontally perpendicular to the profiling assembly 3 at the corresponding side. The locating pin 6 is installed in the guide channel, and concrete locating pin 6 includes cylindrical round pin post and be located round platform shape afterbody of cylindrical round pin post one end, be located the conical head of cylindrical round pin post other end, and the conical head of locating pin 6 stretches into in the frame along the horizontal perpendicular to corresponds profile modeling subassembly direction. Therefore, the left locating pin is matched with the right two reference locating blocks, and the front locating pin is matched with the rear one reference locating block, so that the aluminum alloy profile to be measured is located.
In this embodiment, calibration origin references 2 are respectively installed at four corner positions of the base 1. Specifically, each calibration origin datum 2 is provided with a screw respectively, and the screw passes through the corresponding corner position of the base 1 and then is locked by a nut, so that the calibration origin datum 2 is arranged at the corresponding corner position of the base 1. Four calibration origin references 2 are used as zero-position references, wherein the reference values are that aluminum alloy sections to be measured are arranged in a frame shape, a profiling assembly 3 is arranged on a base, and three coordinates are used for detecting the calibration zero-point deviation of the whole gauge through the four calibration origin references.
The embodiment also comprises a stop-go detection plug gauge 5. The go-no-go detection plug gauge comprises a go gauge a non-stop gauge and a connecting rod, the go gauge is positioned at one end of the connecting rod, the no-go gauge is positioned at the other end of the connecting rod. During operation, an aluminum alloy profile is placed in the profiling assembly 3, the profile datum plane is aligned with the A datum (two blocks) and the B datum (1 block) in the corresponding datum locating block 4 according to a drawing or a datum plane required by a customer, the locating pin6 on the left side and the two datum locating blocks 4 (A datum) on the right side are matched and located, the locating pin6 on the front side and the one datum locating block 4 (B datum) on the rear side are matched and located, a through gauge detected by the through gauge 5 is placed in a gap between the profiling assembly and the aluminum alloy profile, and can walk in a frame along the profile of the aluminum alloy profile to be detected, the through gauge can be operated in the same way, and the through gauge can be stopped, so that the detection of the whole profile of the aluminum alloy profile to be detected is realized.
The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, and the examples described herein are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the spirit and scope of the present utility model. The individual technical features described in the above-described embodiments may be combined in any suitable manner without contradiction, and such combination should also be regarded as the disclosure of the present disclosure as long as it does not deviate from the idea of the present utility model. The various possible combinations of the utility model are not described in detail in order to avoid unnecessary repetition.
The present utility model is not limited to the specific details of the above embodiments, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the protection scope of the present utility model without departing from the scope of the technical concept of the present utility model, and the technical content of the present utility model is fully described in the claims.