CN120846164A

CN120846164A - Body-in-white test bench

Info

Publication number: CN120846164A
Application number: CN202511147364.7A
Authority: CN
Inventors: 包增云; 陈韬; 管昌昌; 梁威; 金伟明; 刘军; 李海亮; 田芳; 罗世成; 岳彩收
Original assignee: Anhui Jianghuai Automobile Group Corp
Current assignee: Anhui Jianghuai Automobile Group Corp
Priority date: 2025-08-15
Filing date: 2025-08-15
Publication date: 2025-10-28

Abstract

The present invention discloses a body-in-white (BIW) inspection bench, comprising an integrated component (1), a positioning pin mechanism (2) and a positioning block mechanism (3) being mounted on the integrated component (1), and a positioning pin drive motor (4) and a positioning block drive motor (5) being provided at the bottom of the integrated component (1). The present invention can achieve height adjustment of the positioning block mechanism and the positioning pin mechanism, thereby adapting to the positioning of BIWs of different vehicle models.

Description

White automobile body detects rack

Technical Field

The invention relates to a detection bench, in particular to a body-in-white detection bench.

Background

With the continuous improvement of the requirements of consumers on the quality of automobiles, the white automobile body double-cantilever three-coordinate detection technology is important to the control of automobile body precision, and the white automobile body three-coordinate detection rack is an important tool for detecting and evaluating the geometric precision of the white automobile body.

The existing three-coordinate detection rack for the automobile body often depends on a simpler reference plate, a positioning block mechanism and a positioning pin mechanism are frequently and manually replaced according to different automobile types, detection time is very wasted in the process of detecting the white automobile body, and potential safety hazards exist in the process of manually replacing the positioning block mechanism and the positioning pin by personnel.

Disclosure of Invention

The invention aims to provide a body-in-white detection bench for solving the technical problems in the prior art, and the bench can realize the height adjustment of a positioning block mechanism and a positioning pin mechanism so as to adapt to the positioning of body-in-white of different vehicle types.

The invention provides a white car body detection rack which comprises an integrated assembly, wherein a locating pin mechanism and a locating block mechanism are arranged on the integrated assembly, and a locating pin driving motor and a locating block driving motor are arranged at the bottom of the integrated assembly.

In the above body-in-white detection bench, preferably, the integrated assembly includes a reference plate, the reference plate is made of aluminum alloy, and a plurality of equally spaced positioning holes are formed in the reference plate.

In the above body-in-white detection bench, preferably, two fixing legs are respectively fixed on a set of opposite side walls on the reference plate, and through holes are formed in the fixing legs.

In the above body-in-white detection bench, preferably, one end of the reference plate is fixedly provided with two positioning pin mechanisms, the other end of the reference plate is fixedly provided with two positioning block mechanisms, the structures of the two positioning pin mechanisms are identical, and the structures of the two positioning block mechanisms are identical.

In the above-mentioned white automobile body detects rack, preferably, locating pin mechanism includes locating pin shell and round pin pole, the round pin pole mounting hole has been seted up along vertical on the locating pin shell, the round pin pole with round pin pole mounting hole grafting and sliding connection, first screw hole has been seted up to the bottom of round pin pole, set firmly first lead screw on locating pin driving motor's the output shaft, first lead screw with the first screw hole threaded connection of round pin pole bottom, the cross section shape of round pin pole is the rectangle, four sides of round pin pole with four lateral walls contact and sliding fit of round pin pole mounting hole.

In the above body-in-white detection bench, preferably, the positioning block mechanism includes a positioning block housing and a positioning block, a positioning block mounting hole is vertically formed in the positioning block housing, the positioning block is inserted into and slidingly connected with the positioning block mounting hole, a second threaded hole is formed in the bottom of the positioning block, a second screw rod is fixedly arranged on an output shaft of the positioning block driving motor, the second screw rod is in threaded connection with the second threaded hole in the bottom of the positioning block, the cross section of the positioning block is rectangular, and four side faces of the positioning block are in contact with and slidingly matched with four side walls of the positioning block mounting hole.

Compared with the prior art, the positioning pin mechanism and the positioning block mechanism are arranged on the integrated assembly, and the positioning pin driving motor and the positioning block driving motor are arranged at the bottom of the integrated assembly. According to the invention, the locating pin driving motor can drive the locating pin mechanism to adjust the height of the locating pin, and the locating block driving motor can drive the locating block mechanism to adjust the height of the locating block, so that the locating pin and the locating block do not need to be replaced repeatedly, the white car body of different car types can be quickly adapted, the working efficiency is improved, and the labor intensity is reduced.

Drawings

FIG. 1 is an isometric view of the present invention;

Fig. 2 is a bottom view of the present invention.

The reference numerals indicate the integrated assembly 1, the locating pin mechanism 2, the locating block mechanism 3, the locating pin driving motor 4, the locating block driving motor 5, the reference plate 6, the locating hole 7, the fixing support leg 8, the locating pin shell 9, the pin rod 10, the locating block shell 11 and the locating block 12.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

The embodiment of the invention is as shown in fig. 1 and 2, and the white body detection rack comprises an integrated assembly 1, wherein a locating pin mechanism 2 and a locating block mechanism 3 are arranged on the integrated assembly 1, and a locating pin driving motor 4 and a locating block driving motor 5 are arranged at the bottom of the integrated assembly 1.

Through the setting of locating pin driving motor 4 and locating piece driving motor 5, can easily adjust the height of locating pin on locating pin mechanism 2 and the height of locating piece on the locating piece mechanism 3, the staff need not to manually change locating pin and locating piece like this, improves work efficiency, reduces intensity of labour.

Specifically, the integrated assembly 1 comprises a reference plate 6, wherein the reference plate 6 is made of aluminum alloy, and a plurality of equally-spaced positioning holes 7 are formed in the reference plate 6.

Other positioning devices can be arranged on the reference plate 6 through the arrangement of the positioning holes 7 to assist in supporting the white body. The datum plate 6 is made of aluminum alloy, so that the structural strength can be guaranteed, and the weight reduction can be realized.

Two fixing support legs 8 are respectively fixed on a group of opposite side walls of the reference plate 6, and through holes are formed in the fixing support legs 8.

The datum plate 6 and the fixing support legs 8 are integrally formed through die casting, so that splicing welding seams are reduced, and structural integrity and reliability are improved. The fixing feet 8 are used for being fixed on the ground by bolts, so that the stability and the position accuracy of the reference plate 6 are ensured.

Further, two locating pin mechanisms 2 are fixedly arranged at one end of the reference plate 6, two locating block mechanisms 3 are fixedly arranged at the other end of the reference plate 6, the structures of the two locating pin mechanisms 2 are identical, and the structures of the two locating block mechanisms 3 are identical.

The locating pin mechanism 2 comprises a locating pin shell 9 and a pin rod 10, wherein a pin rod mounting hole is vertically formed in the locating pin shell 9, the pin rod 10 is spliced and slidably connected with the pin rod mounting hole, a first threaded hole is formed in the bottom of the pin rod 10, a first screw rod is fixedly arranged on an output shaft of the locating pin driving motor 4 and is in threaded connection with the first threaded hole in the bottom of the pin rod 10, the cross section of the pin rod 10 is rectangular, and four side faces of the pin rod 10 are in contact with four side walls of the pin rod mounting hole and slidably fit with the pin rod mounting hole.

The positioning block mechanism 3 comprises a positioning block shell 11 and a positioning block 12, wherein a positioning block mounting hole is vertically formed in the positioning block shell 11, the positioning block 12 is spliced and slidably connected with the positioning block mounting hole, a second threaded hole is formed in the bottom of the positioning block 12, a second screw rod is fixedly arranged on an output shaft of the positioning block driving motor 5 and is in threaded connection with the second threaded hole in the bottom of the positioning block 12, the cross section of the positioning block 12 is rectangular, and four side faces of the positioning block 12 are in contact with four side walls of the positioning block mounting hole and slidably fit with the positioning block mounting hole.

The cross-sectional shapes of the pin 10 and the positioning block 12 are designed to be rectangular, so that the pin 10 can move in the vertical direction without rotating when the first screw is engaged with the first screw hole. When the second screw rod is matched with the second threaded hole, the positioning block 12 can move in the vertical direction without rotating.

A first control switch for controlling the working state of the locating pin driving motor 4 is arranged on the side wall of the locating pin shell 9, and a second control switch for controlling the working state of the locating block driving motor 5 is arranged on the side wall of the locating block shell 11.

According to the working principle of the invention, when the white car body is required to be positioned, the positioning pin driving motor 4 is controlled to work through the first control switch according to the size information of the white car body, and the positioning pin driving motor 4 drives the first screw rod to rotate, so that the pin rod 10 moves in the vertical direction, and the pin rod 10 is adjusted to the required height. Similarly, the second control switch controls the positioning block driving motor 5 to work, the positioning block 12 is adjusted to the required height, and then the positioning pin mechanism 2 and the positioning block mechanism 3 are used for positioning the white car body.

The construction, features and effects of the present invention have been described in detail with reference to the embodiments shown in the drawings, but the above description is only a preferred embodiment of the present invention, but the present invention is not limited to the embodiments shown in the drawings, all changes, or modifications to the teachings of the invention, which fall within the meaning and range of equivalents are intended to be embraced therein, are intended to be embraced therein.

Claims

1. A body-in-white inspection bench, comprising an integrated assembly (1), characterized in that a positioning pin mechanism (2) and a positioning block mechanism (3) are mounted on the integrated assembly (1), and a positioning pin drive motor (4) and a positioning block drive motor (5) are provided at the bottom of the integrated assembly (1).

2. The body-in-white inspection bench according to claim 1, characterized in that: the integrated component (1) comprises a reference plate (6), the reference plate (6) is made of aluminum alloy, and a plurality of positioning holes (7) distributed at equal intervals are opened on the reference plate (6).

3. The body-in-white inspection bench according to claim 2, characterized in that two fixing legs (8) are fixedly provided on a set of opposite side walls of the reference plate (6), and a through hole is provided on the fixing legs (8).

4. The body-in-white inspection bench according to claim 2, characterized in that: two positioning pin mechanisms (2) are fixedly provided at one end of the reference plate (6), and two positioning block mechanisms (3) are fixedly provided at the other end of the reference plate (6), and the structures of the two positioning pin mechanisms (2) are exactly the same, and the structures of the two positioning block mechanisms (3) are exactly the same.

5. The body-in-white inspection bench according to claim 4 is characterized in that: the positioning pin mechanism (2) includes a positioning pin housing (9) and a pin rod (10), a pin rod mounting hole is vertically opened on the positioning pin housing (9), the pin rod (10) is plugged into and slidably connected to the pin rod mounting hole, a first threaded hole is opened at the bottom of the pin rod (10), a first screw rod is fixed on the output shaft of the positioning pin drive motor (4), the first screw rod is threadedly connected to the first threaded hole at the bottom of the pin rod (10), the cross-section of the pin rod (10) is rectangular, and the four side surfaces of the pin rod (10) contact and slide with the four side walls of the pin rod mounting hole.

6. The body-in-white inspection bench according to claim 5, characterized in that: the positioning block mechanism (3) comprises a positioning block shell (11) and a positioning block (12), a positioning block mounting hole is vertically opened on the positioning block shell (11), the positioning block (12) is plugged into and slidably connected to the positioning block mounting hole, a second threaded hole is opened at the bottom of the positioning block (12), a second screw rod is fixed on the output shaft of the positioning block drive motor (5), the second screw rod is threadedly connected to the second threaded hole at the bottom of the positioning block (12), the cross-section of the positioning block (12) is rectangular, and the four side surfaces of the positioning block (12) contact and slide with the four side walls of the positioning block mounting hole.