Detection tool for automobile sheet metal part

Abstract

The utility model discloses a testing fixture for automobile sheet metal parts, and relates to the technical field of sheet metal part testing fixtures. The detection tool comprises a detection tool body and a detection assembly. The gauge body comprises a mounting base, a positioning mounting plate and a positioning surface; a positioning surface is arranged on the mounting base, and a positioning mounting plate is mounted on the mounting base; the positioning surface is matched with an automobile sheet metal part; the automobile sheet metal part is fixedly mounted on the positioning mounting plate; a receding groove is formed in the position, below the automobile sheet metal part, of the mounting base, and a resin model is assembled in the receding groove. A plurality of mounting grooves are uniformly formed in the inner wall of the resin model, and a detection assembly is assembled in each mounting groove; the detection assembly comprises a plurality of distance measuring photoelectric sensors A used for detecting the surface tolerance of the automobile sheet metal part to measure the distance, and each distance measuring photoelectric sensor A is electrically connected with a control panel. According to the utility model, through the functions of the detection tool body and the detection assembly, the detection functions of data acquisition and the like on uneven surfaces such as cambered surfaces are realized.

Description

Technical Field

[0001] The utility model belongs to the technical field of sheet metal part inspection tools, and particularly relates to an inspection tool for automobile sheet metal parts. Background Technique

[0002] Automobile parts are the various units that make up the overall automobile parts processing, as well as the products serving automobile parts processing. After production, automobile parts generally need to be quality inspected by inspection tools to improve the ex-factory quality of automobile parts. At present, the general method for detecting automobile sheet metal parts is to make a resin model of the same proportion, and then use an inspection tool to detect whether the produced sheet metal parts match the resin model, and evaluate the quality of the sheet metal part mold through the detection. If the dimensional error between the sheet metal part and the resin model is within a reasonable range, it means that the quality of the production mold passes; otherwise, it means that the production mold does not meet the requirements, and it needs to be adjusted or even remade. The structure of the conventional inspection tool for traditional automobile sheet metal parts generally includes a positioning surface, main and auxiliary positioning pins, an inspection tool body, etc.; at present, the tolerance requirement for the important surface of the sheet metal part is ±0.5 mm. During detection, the sheet metal part is positioned on the inspection tool through the main and auxiliary positioning pins, and then the gap between the sheet metal part and the detection surface is measured to see if it is lower than the error value, so as to judge whether the sheet metal part product meets the qualified standard.

[0003] When using the existing inspection tool for detection, a large amount of measurement work is required. For example, multiple detection key points of the sheet metal part need to be measured in sequence, resulting in laborious, time-consuming, and low detection efficiency, and the problem of being unable to achieve rapid sampling inspection. Moreover, there are many uneven shapes such as arc surfaces in automobile parts, which further increases the detection difficulty, and a large number of detection positions and detection components are also required to ensure the basic detection function.

[0004] In view of the problems of low detection efficiency and increased equipment cost due to the need to install a large number of detection positions and detection components pointed out above, the utility model designs an inspection tool for automobile sheet metal parts. Content of the Utility Model

[0005] The purpose of the utility model is to provide an inspection tool for automobile sheet metal parts. Through the action of the inspection tool body and the detection component, the automobile sheet metal part is positioned and installed by using the positioning surface and the positioning mounting plate, and its surface is matched with the resin model; then the detection component will collect distance data of the important surface on the automobile sheet metal part; it can not only collect data for flat surfaces, but also collect data for uneven surfaces such as arc surfaces; thus solving the problems of low detection efficiency and increased equipment cost due to the need to install a large number of detection positions and detection components pointed out above.

[0006] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0007] The utility model is a kind of inspection tool for automobile sheet metal parts, comprising an inspection tool body and a detection component; the inspection tool body comprises a mounting base, a positioning mounting plate and a positioning surface; the mounting base is provided with a positioning surface, and the mounting base is fixedly provided with positioning mounting plates on both sides of the positioning surface; the inner wall of the positioning surface is matched with a resin model and an automobile sheet metal part, and the automobile sheet metal part is fixedly installed on the positioning mounting plate; the mounting base is provided with a clearance groove below the automobile sheet metal part, and a resin model is installed inside the clearance groove; a plurality of mounting grooves are evenly provided on the inner wall of the resin model, and a detection component is installed inside each of the mounting grooves; the detection component comprises a plurality of distance measuring photoelectric sensors A for detecting the surface tolerance of the automobile sheet metal part for distance measurement, and each of the distance measuring photoelectric sensors A is electrically A control panel is connected; the positioning surface is used to position the installation position of the automobile sheet metal part so that the installed automobile sheet metal part can perfectly match the resin model; the positioning installation plate fastens and installs the automobile sheet metal part; after the fastening, the automobile sheet metal part will be subjected to data detection by all the distance measuring photoelectric sensors A in the detection component; the control panel compares and analyzes the detected data information with the set data obtained from the data information of the sheet metal product with qualified quality; if the tolerance between the detected data information and the set data is less than ±0.5mm, it is qualified; otherwise, it is unqualified; the distance data of multiple different positions of the important surfaces on the automobile sheet metal part can be collected through the detection component, so as to achieve the effect of rapid detection and detection of uneven surfaces such as multiple arc surfaces.

[0008] As a preferred technical solution of the present utility model, the detection component also includes a movable seat, which is assembled inside the mounting groove; a ranging photoelectric sensor A is fixedly mounted on the movable seat; each of the ranging photoelectric sensors A will collect distance data for one of the positions of the important surfaces on the automobile sheet metal; the function of the movable seat is to enable each of the ranging photoelectric sensors A to collect distance data for multiple different position points in one of the areas of the important surfaces on the automobile sheet metal.

[0009] As a preferred technical solution of the utility model, a ranging photoelectric sensor B for detecting the position of the movable seat is fixedly installed on one side of the movable seat in the mounting groove; a ranging photoelectric sensor A is fixedly installed on the movable seat; and the ranging photoelectric sensor B collects the position of the ranging photoelectric sensor A on the movable seat.

[0010] As a preferred technical solution of the utility model, the movable seat adopts a rotating seat, which is assembled inside the mounting groove; a ranging photoelectric sensor A is fixedly mounted on the rotating seat, and a rotating motor for forward and reverse rotation drive is assembled inside the rotating seat; the rotating seat will perform rotation control on the position of the ranging photoelectric sensor A and collect ranging data.

[0011] As a preferred technical solution of the present utility model, the movable seat is a movable base, and the movable base is assembled inside the installation groove; a distance measuring photoelectric sensor A is fixedly installed on the movable base, and an electric telescopic rod for reciprocating translation is assembled inside the movable base; the movable base will control the translation of the position of the distance measuring photoelectric sensor A and collect distance measurement data.

[0012] As a preferred technical solution of the present utility model, a plurality of installation holes are provided on the automobile sheet metal part, the inner wall of the installation hole is matched with the positioning and installation plate, and a nut for fastening the automobile sheet metal part is threadedly connected to the positioning and installation plate on the installation hole of the automobile sheet metal part.

[0013] The present utility model has the following beneficial effects:

[0014] Through the action of the fixture body and the detection component, the present utility model positions and installs the automobile sheet metal part by using the positioning surface and the positioning and installation plate, and makes its surface cooperate with the resin model; then the detection component will collect distance data at multiple different positions on the important profile of the automobile sheet metal part, so that the number of installed detection elements can be greatly reduced; at the same time, it can not only collect data on flat surfaces, but also collect data on uneven surfaces such as arc surfaces; and the data collection speed is fast, achieving the advantage of high detection efficiency.

[0015] Of course, it is not necessary for any product implementing the present utility model to achieve all the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for describing the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0017] Figure 1 It is a schematic structural diagram of a fixture for an automobile sheet metal part of the present utility model in Embodiment 1;

[0018] Figure 2 It is a front view of the structure of a fixture for an automobile sheet metal part of the present utility model in Embodiment 1;

[0019] Figure 3 It is a schematic structural diagram of the fixture body in Embodiment 1;

[0020] Figure 4 It is a schematic structural diagram of an automobile sheet metal part and a resin model in Embodiment 1;

[0021] Figure 5 Structural schematic diagram of the detection component and the resin model in Embodiment 1;

[0022] Figure 6 Structural schematic diagram of the detection component, the movable seat and the resin model;

[0023] Figure 7 Structural schematic diagram of the detection component and the rotating seat in Embodiment 2;

[0024] Figure 8 Structural schematic diagram of the detection component and the moving seat in Embodiment 3;

[0025] In the drawings, the list of components represented by each reference numeral is as follows:

[0026] 1 - Fixture body, 2 - Detection component, 3 - Automobile sheet metal part, 4 - Resin model, 101 - Installation base, 102 - Positioning installation plate, 103 - Positioning surface, 104 - Relief groove, 105 - Nut, 201 - Distance measuring photoelectric sensor A, 202 - Movable seat, 203 - Rotating seat, 204 - Moving seat, 301 - Installation hole, 401 - Installation groove, 402 - Distance measuring photoelectric sensor B. Detailed implementation manners

[0027] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0028] Embodiment 1

[0029] Please refer to Figures 1-5As shown in the figure, the utility model is a fixture for automobile sheet metal parts, including a fixture body 1 and a detection component 2; the fixture body 1 includes a mounting base 101, a positioning mounting plate 102 and a positioning surface 103; a positioning surface 103 is provided on the mounting base 101, and positioning mounting plates 102 are fixedly installed on both sides of the positioning surface 103 of the mounting base 101; a resin model 4 and an automobile sheet metal part 3 are fitted to the inner wall of the positioning surface 103, and the automobile sheet metal part 3 is fixedly installed on the positioning mounting plate 102; a relief groove 104 is opened below the automobile sheet metal part 3 on the mounting base 101, and a resin model 4 is assembled inside the relief groove 104; a plurality of mounting grooves 401 are evenly opened on the inner wall of the resin model 4, and a detection component 2 is assembled inside each mounting groove 401; the detection component 2 includes a plurality of ranging photoelectric sensors A201 for detecting the surface tolerance of the automobile sheet metal part 3 to measure distances, and each ranging photoelectric sensor A201 is electrically connected to a control panel; the positioning surface 103 positions the installation position of the automobile sheet metal part 3, so that the installed automobile sheet metal part 3 can be perfectly fitted with the resin model 4; the positioning mounting plate 102 firmly installs the automobile sheet metal part 3; after the automobile sheet metal part 3 is firmly installed, all the ranging photoelectric sensors A201 in the detection component 2 will perform data detection; the control panel compares and analyzes the detected data information with the set data obtained from the data information of the sheet metal parts with qualified quality; if the tolerance between the detected data information and the set data is less than ±0.5 mm, it is qualified; otherwise, it is unqualified; that is, the detection component 2 can collect distance data at multiple different positions on the important profiles of the automobile sheet metal part 3, and can achieve the effects of rapid detection and detection of uneven surfaces such as multiple arc surfaces.

[0030] Among them, as Figure 2 and Figure 4 shown, a plurality of mounting holes 301 are opened on the automobile sheet metal part 3, the inner wall of the mounting hole 301 is fitted with the positioning mounting plate 102, and a nut 105 for fastening the automobile sheet metal part 3 is threadedly connected to the mounting hole 301 of the automobile sheet metal part 3 on the positioning mounting plate 102.

[0031] Embodiment Two

[0032] On the basis of Embodiment One, a more preferable technical solution is as follows. Please refer to Figures 6-7As shown in the figure, the detection component 2 further includes a movable seat 202, and the movable seat 202 is assembled inside the installation groove 401; a ranging photoelectric sensor A201 is fixedly installed on the movable seat 202; each ranging photoelectric sensor A201 will collect distance data at one position of an important surface on the automotive sheet metal part 3; the function of the movable seat 202 is to enable each ranging photoelectric sensor A201 to collect distance data at multiple different position points in one area of an important surface on the automotive sheet metal part 3; a ranging photoelectric sensor B402 for detecting the position of the movable seat 202 is fixedly installed on one side of the installation groove 401 where the movable seat 202 is located; a ranging photoelectric sensor A201 is fixedly installed on the movable seat 202; the ranging photoelectric sensor B402 collects the position of the ranging photoelectric sensor A201 on the movable seat 202.

[0033] Among them, as Figure 7 shown, the movable seat 202 adopts a rotating seat 203, and the rotating seat 203 is assembled inside the installation groove 401; a ranging photoelectric sensor A201 is fixedly installed on the rotating seat 203, and a rotating motor for forward and reverse rotation drive is assembled inside the rotating seat 203; the rotating seat 203 will perform rotation control on the position of the ranging photoelectric sensor A201 and collect ranging data.

[0034] Embodiment III

[0035] Based on Embodiment I, a more preferable technical solution is as follows. Please refer to Figure 6 and Figure 8 shown, the detection component 2 further includes a movable seat 202, and the movable seat 202 is assembled inside the installation groove 401; a ranging photoelectric sensor A201 is fixedly installed on the movable seat 202; each ranging photoelectric sensor A201 will collect distance data at one position of an important surface on the automotive sheet metal part 3; the function of the movable seat 202 is to enable each ranging photoelectric sensor A201 to collect distance data at multiple different position points in one area of an important surface on the automotive sheet metal part 3; a ranging photoelectric sensor B402 for detecting the position of the movable seat 202 is fixedly installed on one side of the installation groove 401 where the movable seat 202 is located; a ranging photoelectric sensor A201 is fixedly installed on the movable seat 202; the ranging photoelectric sensor B402 collects the position of the ranging photoelectric sensor A201 on the movable seat 202.

[0036] Among them, as Figure 8 shown, the movable seat 202 adopts a movable seat 204, and the movable seat 204 is assembled inside the installation groove 401; a ranging photoelectric sensor A201 is fixedly installed on the movable seat 204, and an electric telescopic rod for reciprocating translation is assembled inside the movable seat 204; the movable seat 204 will perform translation control on the position of the ranging photoelectric sensor A201 and collect ranging data.

[0037] The preferred embodiments of the present utility model disclosed above are only used to help illustrate the present utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the present utility model to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principle and practical application of the present utility model, so that those skilled in the relevant technical field can well understand and utilize the present utility model. The present utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A checking fixture for automotive sheet metal parts, characterized in that: It includes a jig body (1) and a detection component (2); The jig body (1) includes a mounting base (101), a positioning mounting plate (102) and a positioning surface (103); a positioning surface (103) is provided on the mounting base (101), and positioning mounting plates (102) are fixedly installed on both sides of the positioning surface (103) of the mounting base (101); a resin model (4) and an automotive sheet metal part (3) are fitted to the inner wall of the positioning surface (103), and the automotive sheet metal part (3) is fixedly installed on the positioning mounting plate (102); A relief groove (104) is formed in the mounting base (101) below the automotive sheet metal part (3), and a resin model (4) is assembled inside the relief groove (104); A plurality of mounting grooves (401) are evenly formed in the inner wall of the resin model (4), and a detection component (2) is assembled inside each mounting groove (401); The detection component (2) includes a plurality of distance measuring photoelectric sensors A (201) for measuring the surface tolerance of the automotive sheet metal part (3) to perform distance measurement, and each distance measuring photoelectric sensor A (201) is electrically connected to a control panel.

2. The inspection fixture for an automotive sheet metal part according to claim 1, characterized in that, The detection component (2) further includes a movable seat (202), and the movable seat (202) is assembled inside the mounting groove (401); the distance measuring photoelectric sensor A (201) is fixedly installed on the movable seat (202).

3. The checking fixture for an automotive sheet metal part according to claim 2, characterized in that, A distance measuring photoelectric sensor B (402) for detecting the position of the movable seat (202) is fixedly installed on one side of the mounting groove (401) where the movable seat (202) is located.

4. The inspection fixture for an automotive sheet metal part according to claim 3, characterized in that, The movable seat (202) adopts a rotating seat (203), and the rotating seat (203) is assembled inside the mounting groove (401); the distance measuring photoelectric sensor A (201) is fixedly installed on the rotating seat (203), and a rotating motor for forward and reverse rotation drive is assembled inside the rotating seat (203).

5. The inspection tool for an automotive sheet metal part according to claim 3, characterized in that, The movable seat (202) adopts a moving seat (204), and the moving seat (204) is assembled inside the mounting groove (401); the distance measuring photoelectric sensor A (201) is fixedly installed on the moving seat (204), and an electric telescopic rod for reciprocating translation is assembled inside the moving seat (204).

6. The checking fixture for an automotive sheet metal part according to claim 1, characterized in that, A plurality of mounting holes (301) are formed in the automotive sheet metal part (3), the inner wall of the mounting hole (301) is matched with the positioning mounting plate (102), and a nut (105) for fastening the automotive sheet metal part (3) is threadedly connected to the positioning mounting plate (102) at the mounting hole (301) of the automotive sheet metal part (3).

Images