CN216681883U

CN216681883U - Online measurement station XY of automobile body production line is to relocation mechanism

Info

Publication number: CN216681883U
Application number: CN202123375915.5U
Authority: CN
Inventors: 徐飞
Original assignee: Dalian Auto Tech Inc Corp
Current assignee: Dalian Auto Tech Inc Corp
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-07
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses an XY-direction floating mechanism for an online measuring station of an automobile body production line, which comprises a first bottom plate, wherein two ends of the first bottom plate are respectively connected with an X-direction supporting plate, an X-axis slide rail positioned between the two X-direction supporting plates is arranged on the first bottom plate, the X-axis slide rail is in sliding connection with a second bottom plate through an X-axis slide block, an X-axis limiting bolt is in threaded connection with the X-direction supporting plate, an X-axis spring with one end in contact with the second bottom plate is also arranged on the inner side of the X-direction supporting plate, Y-direction supporting plates are respectively arranged at two ends of the second bottom plate, a Y-direction slide rail positioned between the two Y-direction supporting plates is arranged on the second bottom plate, the Y-direction slide rail is in sliding connection with a measuring plate through a Y-axis slide block, a plurality of clamp mounting holes are arranged on the measuring plate, and a Y-axis limiting bolt is in threaded connection with the Y-direction supporting plate, and a Y-axis spring with one end contacted with the measuring plate is also arranged on the inner side of the Y-direction supporting plate.

Description

Online measurement station XY of automobile body production line is to relocation mechanism

Technical Field

The utility model relates to a floating positioning mechanism, in particular to an XY-direction floating mechanism for an online measuring station of an automobile body production line.

Background

In the existing automobile manufacturing industry, the dimensional accuracy of produced parts needs to be detected by using an online measuring station, and the online measuring station requires accurate positioning of an automobile body, so that all positioning pins on the online measuring station have higher matching accuracy than positioning pins of other common welding stations and automobile body positioning holes. However, in some cases, because the positioning pins are rigid and fixed, after the positioning pins are inserted into the positioning holes of the parts, if the parts have dimensional errors, the parts will elastically deform a certain amount under the action of all the positioning pins, that is, the positioning pins will have a certain "correcting" effect on the parts, so that the parts with dimensional errors cannot be measured due to the "correcting" effect during measurement, and when the parts are taken off from the measurement station, the parts will return to the original real dimensional state again, so that the parts with dimensional errors cannot be measured. There is therefore a need for a method or apparatus that addresses the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides the floating mechanism which is simple in structure, ingenious in design, reasonable in layout and capable of being adaptively adjusted along with the size of a workpiece in the X-axis direction and the Y-axis direction within a certain range.

The technical solution of the utility model is as follows: the utility model provides an online measurement station XY of automobile body production line is to relocation mechanism which characterized in that: the mechanism comprises a first bottom plate 1, wherein two ends of the first bottom plate 1 are respectively connected with an X-direction supporting plate 2, an X-axis slide rail 3 positioned between the two X-direction supporting plates 2 is arranged on the first bottom plate 1, the X-axis slide rail 3 is in sliding connection with a second bottom plate 5 through an X-axis slide block 4, an X-axis limiting bolt 6 is in threaded connection with the X-direction supporting plate 2, and an X-axis spring 7 with one end in contact with the second bottom plate 5 is also arranged on the inner side of the X-direction supporting plate 2,

two ends of the second bottom plate 5 are respectively provided with a Y-direction supporting plate 8, the second bottom plate 5 is provided with a Y-direction slide rail 9 positioned between the two Y-direction supporting plates 8, the Y-direction slide rail 9 is connected with a measuring plate 11 in a sliding way through a Y-axis slide block 10, the measuring plate 11 is provided with a plurality of clamp mounting holes 12, the Y-direction supporting plate 8 is connected with a Y-axis limiting bolt 13 in a threaded way, and the inner side of the Y-direction supporting plate 8 is also provided with a Y-axis spring with one end contacted with the measuring plate 11,

an extension portion 14 is arranged at one end of the measuring plate 11, a measuring plate positioning hole is formed in the extension portion 14, a base plate positioning hole is formed in the X-direction supporting plate 2 below the extension portion 14, and a positioning pin 15 is arranged in a matched mode with the measuring plate positioning hole and the base plate positioning hole.

Compared with the prior art, the utility model has the following advantages:

the XY-direction floating mechanism for the online measuring station of the automobile body production line is simple in structure, ingenious in design and reasonable in layout, aims at the problems of a traditional rigid and fixed measuring device in actual work, designs a floating structure, and can be adjusted adaptively along with the size of a workpiece in a certain range in the X-axis direction and the Y-axis direction, so that the workpiece is not deformed when being measured, and the purpose of accurate measurement is achieved. The floating mechanism is matched with a proper number of positioning mechanisms and clamping mechanisms to construct a set of floating positioning system, so that accurate measurement of workpieces in a natural state is realized. And the floating mechanism has simple manufacturing process and low manufacturing cost, so the floating mechanism has multiple advantages, is particularly suitable for popularization and application in the field, and has very wide market prospect.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is a cross-sectional view of an embodiment of the present invention.

Detailed Description

The following description will explain embodiments of the present invention with reference to the accompanying drawings. As shown in fig. 1 and 2: an XY-direction floating mechanism for an online measuring station of an automobile body production line comprises a first bottom plate 1 serving as a foundation, X-direction supporting plates 2 are respectively connected to two ends of the first bottom plate 1, an X-axis slide rail 3 positioned between the two X-direction supporting plates 2 is arranged on the first bottom plate 1, the X-axis slide rail 3 is in sliding connection with a second bottom plate 5 through an X-axis slide block 4, an X-axis limiting bolt 6 is in threaded connection with the X-direction supporting plate 2, an X-axis spring 7 with one end in contact with the second bottom plate 5 is further arranged on the inner side of the X-direction supporting plate 2,

The working process of the XY-direction floating mechanism of the online measuring station of the automobile body production line provided by the embodiment of the utility model is as follows: one or two floating mechanisms are selected and are installed on a foundation plate together with other clamping mechanisms or positioning mechanisms with proper quantity, so that a set of floating type clamping and positioning system is constructed, a positioning mechanism in the clamping and positioning system is utilized to clamp and position a certain workpiece, and the mechanism can be adjusted within a certain range along with the size deviation of the workpiece in a plane space, so that the clamping and positioning system can be prevented from generating reaction force on the workpiece, namely the workpiece is in a natural state without bearing stress, the sizes of all parts of the workpiece are measured under the state, and an accurate measurement result can be obtained;

before actual work, firstly, according to the maximum size deviation of a measured workpiece, the movement range of the second bottom plate 5 in the X-axis direction and the movement range of the measuring plate 11 in the Y-axis direction are adjusted, specifically, the X-axis limit bolt 6 on the X-direction supporting plate 2 and the Y-axis limit bolt 13 on the Y-direction supporting plate 8 are adjusted, when initial correction of a clamping and positioning system comprising the floating mechanism is carried out, a positioning pin 15 needs to be inserted into a positioning hole of the measuring plate and a positioning hole of the bottom plate, namely, the positioning pin 15 is used for locking the relative position between the measuring plate 11 and the first bottom plate 1, after the correction is finished, the positioning pin 15 is pulled out, so that when the workpiece is measured, after a positioning device or a clamping device connected to the measuring plate 11 is contacted with the workpiece, if the workpiece has a size error in the X-axis direction or the Y-axis direction, the second bottom plate 5 and the measuring plate 11 can be adjusted adaptively in the X-axis direction and the Y-axis direction, the measurement plate 11 is ensured to make adaptive change along with the size of the workpiece, and stress is not applied to the workpiece in turn, so that the workpiece is ensured not to deform (in a natural stretching state);

after the measurement operation is finished, the workpiece is taken away, and under the action of the X-axis spring 7 and the Y-axis spring, the second bottom plate 5 and the measurement plate 11 are restored to the initial positions again to wait for the next measurement operation.

Claims

1. The utility model provides an online measurement station XY of automobile body production line is to relocation mechanism which characterized in that: the mechanism comprises a first bottom plate (1), two ends of the first bottom plate (1) are respectively connected with an X-direction supporting plate (2), an X-axis sliding rail (3) positioned between the two X-direction supporting plates (2) is arranged on the first bottom plate (1), the X-axis sliding rail (3) is in sliding connection with a second bottom plate (5) through an X-axis sliding block (4), an X-axis limiting bolt (6) is in threaded connection with the X-direction supporting plate (2), and an X-axis spring (7) with one end in contact with the second bottom plate (5) is arranged on the inner side of the X-direction supporting plate (2),

y-direction supporting plates (8) are respectively arranged at two ends of the second bottom plate (5), a Y-direction sliding rail (9) positioned between the two Y-direction supporting plates (8) is arranged on the second bottom plate (5), the Y-direction sliding rail (9) is in sliding connection with a measuring plate (11) through a Y-axis sliding block (10), a plurality of clamp mounting holes (12) are arranged on the measuring plate (11), Y-axis limiting bolts (13) are in threaded connection with the Y-direction supporting plates (8), and Y-axis springs with one ends in contact with the measuring plate (11) are further arranged on the inner sides of the Y-direction supporting plates (8),

an extension part (14) is arranged at one end of the measuring plate (11), a measuring plate positioning hole is formed in the extension part (14), a bottom plate positioning hole is formed in the X-direction supporting plate (2) below the extension part (14), and a positioning pin (15) is arranged in a manner of being matched with the measuring plate positioning hole and the bottom plate positioning hole.