CN111906712A

CN111906712A - Examine a positioner

Info

Publication number: CN111906712A
Application number: CN202010787344.7A
Authority: CN
Inventors: 吴剑辉; 周炜坤; 严伟斌; 刘兴乐
Original assignee: GAC Honda Automobile Co Ltd
Current assignee: GAC Honda Automobile Co Ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2020-11-10

Abstract

The invention relates to the technical field of checking fixture positioning, and discloses a checking fixture positioning device which comprises a fixed seat and a rotating shaft, wherein the rotating shaft is rotatably connected to a first end surface of the fixed seat, the rotating shaft can be rotatably switched between a clamping position and a releasing position, a positioning block is arranged on the first end surface of the fixed seat, a chuck is arranged at the first end, away from the fixed seat, of the rotating shaft, and a limiting space is formed between the chuck and the positioning block; when the rotating shaft is located at the clamping position, the axial projection of the chuck on the rotating shaft is a first projection; when the rotating shaft is located at the loosening position, the axial projection of the chuck on the rotating shaft is a second projection; the first projection has a projection area located outside the second projection. The automobile checking fixture is convenient to use, and can be used for quickly realizing accurate positioning of the checking fixture in a rotating mode, shortening working hours and improving the manufacturing efficiency of automobiles.

Description

Examine a positioner

Technical Field

The invention relates to the technical field of detection tool positioning, in particular to a detection tool positioning device.

Background

With the more advanced design of automobiles, the process of automobile manufacturing needs to be continuously upgraded in order to meet the installation man-hour of the production line and reduce the labor cost.

The checking fixture positioning device is used for positioning the checking fixture in the automobile manufacturing process, most of the existing checking fixture positioning devices use a bolt mode to position the checking fixture, and although the positioning accuracy meets the expectation, the mode is inconvenient to use and consumes more working hours. And for some special checking tools, the surface for blocking the installation of the bolt exists in the structure, and the bolt is difficult to position.

Disclosure of Invention

The purpose of the invention is: the utility model provides a use convenient examine a positioner.

In order to achieve the purpose, the invention provides a checking fixture positioning device which comprises a fixed seat and a rotating shaft, wherein the rotating shaft is rotatably connected to a first end face of the fixed seat, the rotating shaft can be rotatably switched between a clamping position and a releasing position, a positioning block is arranged on the first end face of the fixed seat, a chuck is arranged at a first end, away from the fixed seat, of the rotating shaft, and a limiting space is formed between the chuck and the positioning block; when the rotating shaft is located at the clamping position, the axial projection of the chuck on the rotating shaft is a first projection; when the rotating shaft is located at the loosening position, the axial projection of the chuck on the rotating shaft is a second projection; the first projection has a projection area located outside the second projection.

Furthermore, a rotating shaft hole extending into the fixed seat is formed in the first end face of the fixed seat, the rotating shaft portion is inserted into the rotating shaft hole of the fixed seat, a sliding groove communicated with the rotating shaft hole is formed in the side face of the fixed seat, the sliding groove extends transversely, a handle is connected in the sliding groove in a sliding mode, and the handle is arranged on the rotating shaft; when the rotating shaft is positioned at the clamping position, the handle is positioned at one end in the sliding groove; when the rotating shaft is located at the loosening position, the handle is located at the other end in the sliding groove.

Further, in the axial direction of the rotating shaft, the sliding groove is obliquely arranged.

Further, the handle protrudes from the chute.

Furthermore, a concave cavity is formed in the surface of the clamping head in a concave mode, a polygonal block is arranged on the first end face of the fixing seat, and the clamping head is arranged on the outer side of the polygonal block in a covering mode through the concave cavity.

Further, the edge of the concave cavity is provided with a plurality of notches communicated with the concave cavity.

Further, the edge of the polygonal block is provided with a plurality of chamfer surfaces.

Compared with the prior art, the invention has the beneficial effects that:

the automobile checking fixture is convenient to use, and can be used for quickly realizing accurate positioning of the checking fixture in a rotating mode, shortening working hours and improving the manufacturing efficiency of automobiles.

Drawings

Fig. 1 is a fixing seat structure diagram of a fixture positioning device according to an embodiment of the present invention.

Fig. 2 is a rotating shaft structure diagram of the checking fixture positioning device in the embodiment of the invention.

Fig. 3 is a structural view of a rotating shaft of the checking fixture positioning device in the release position according to the embodiment of the invention.

Fig. 4 is a structural view of a rotating shaft of the fixture positioning device in the clamping position according to the embodiment of the invention.

FIG. 5 is a structural diagram of a fixture positioning device according to an embodiment of the invention when the rotating shaft is located at a release position when the fixture positioning device is applied to clamping a vehicle body.

Fig. 6 is a structural diagram of a rotating shaft located at a clamping position when the checking fixture positioning device provided by the embodiment of the invention is applied to clamping a vehicle body.

In the figure, 10-holder; 11-a rotating shaft hole; 12-positioning blocks; 13-polygonal blocks; 14-a chute; 15-sides of polygonal blocks; 16-chamfering surface; 20-a rotating shaft; 21-a chuck; 22-a handle; 23-a spring; 30-vehicle body.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 6, a preferred embodiment of the present invention provides a fixture positioning device for positioning a fixture, for example, the vehicle tail lamp detection tool is positioned on a vehicle body and comprises a fixed seat 10 and a rotating shaft 20, wherein the rotating shaft 20 can rotate around the axis thereof, the rotation switching is carried out between the clamping position and the releasing position, the fixed seat 10 is fixed on the checking tool, the rotating shaft 20 is rotatably connected to the first end surface of the fixed seat 10, the first end surface of the fixed seat 10 is provided with a positioning block 12, the checking fixture is provided with a positioning hole, the upper end surface of the positioning block 12 is attached to the surface of the periphery of the positioning hole of the checking fixture, the lower end surface of the positioning block 12 is attached to the vehicle body, a chuck 21 is arranged on the first end of the rotating shaft 20 far away from the fixed seat 10, when the rotating shaft 20 is located at the clamping position, a projection of the chuck in the axial direction of the rotating shaft is a first projection, as shown in fig. 4 and 6; when the rotating shaft is located at the release position, the projection of the chuck 21 in the axial direction of the rotating shaft 20 is a second projection, as shown in fig. 3 and 5; the first projection has a projection area that is outside the second projection, as shown in fig. 3-6. The clamping head 21 can penetrate through the positioning hole of the checking fixture and the through hole of the vehicle body and extend to the other side of the vehicle body; when the rotating shaft 20 is located at the clamping position, a limiting space is formed between the chuck 21 and the positioning block 12, the vehicle body 30 is located in the limiting space, two sides of the vehicle body 30 are limited by the positioning block 12 and the chuck 21 respectively, even if a gap exists between the vehicle body and the positioning block 12 or the chuck 21, the vehicle body can be always connected with the checking fixture, and the checking fixture can be located on the vehicle body. This embodiment is convenient to use, utilizes rotatory mode, realizes examining the accurate location of utensil fast, shortens man-hour, improves the manufacturing efficiency of car.

Alternatively, as shown in fig. 2, a spring 23 is connected between the rotating shaft 20 and the fixed seat 10, when the rotating shaft 20 is located at the clamping position, the spring 23 can hold the rotating shaft 20 at the clamping position, and when the rotating shaft 20 is located at the releasing position, the spring 23 is compressed, and applies an elastic force for switching to the clamping position to the rotating shaft 20. Further, a spring 23 is wound on the rotating shaft 20, one end of which is connected to the chuck 21, and the other end of which is connected to the fixing seat 10, as shown in fig. 2-3.

Specifically, a first end surface of the fixed seat 10 is provided with a rotating shaft hole 11 extending into the fixed seat 10, a part of the rotating shaft 20 is inserted into the rotating shaft hole 11 of the fixed seat 10, the fixed seat 10 is cylindrical, a sliding groove 14 communicated with the rotating shaft hole 11 is arranged on a circumferential side surface of the fixed seat 10, the sliding groove 14 extends transversely along the circumferential side surface, a handle 22 is connected in the sliding groove 14 in a sliding manner, the handle 22 is arranged on the rotating shaft 20 near a second end, the second end of the rotating shaft 20 is opposite to the first end, the handle 22 protrudes out of the sliding groove 14 and extends out of the circumferential surface of the cylindrical fixed seat 10, so that the handle 22 is operated to rotate the rotating shaft 20 to enable the chuck 21 to clamp the vehicle body, and preferably, the sliding groove 14 is arranged on the part of the fixed seat 10 above the positioning block 12. The rotating shaft 20 is rotationally switched between a clamping position and a releasing position when the handle 22 slides between one end and the other end of the sliding groove 14; when the rotating shaft 20 is located at the clamping position, the handle 22 is located at one end of the sliding chute 14; the handle 22 is located at the other end of the chute 14 when the shaft 20 is in the release position.

Specifically, in the axial direction of the rotating shaft, the sliding groove 14 is obliquely arranged, so that the rotating shaft 20 rotates and moves downwards at the same time, the clamping head 21 can move to a position capable of clamping the vehicle body conveniently, when the handle 22 is positioned at the uppermost end of the sliding groove 14, the rotating shaft 20 is positioned at the loosening position, when the handle 22 is positioned at the lowermost end of the sliding groove 14, the rotating shaft 20 is positioned at the clamping position, and at the moment, the clamping head 21 moves downwards, and the distance between the clamping head 21 and the vehicle body is increased; optionally, the distance of the collet 21 from the body is kept between 0.5 and 1.6 mm.

Specifically, a concave cavity is formed on the surface of the clamping head 21, a polygonal block 13 is arranged on the first end surface of the fixed seat 10, and the clamping head 21 is covered on the outer side of the polygonal block 13 through the concave cavity.

Preferably, the edge of the cavity is provided with a plurality of notches communicated with the cavity, as shown in fig. 2 to 4, the side surface 15 of the polygonal block 13 is flush with the side surface of the chuck 21.

Preferably, the through hole of the vehicle body is generally rectangular, the polygonal block 13 is rectangular, the edge of the polygonal block 13 is provided with a plurality of chamfer surfaces 16, and an arc transition surface is arranged between the chamfer surfaces 16 and the side surfaces 15 of the polygonal block 13.

The working principle of the gauge positioning device provided by the preferred embodiment of the invention for positioning the gauge on the vehicle body is as follows:

in an initial state, the handle 22 is positioned at the uppermost end of the obliquely arranged chute 14, then the fixed seat 10 is fixed on the checking fixture, and when the fixed seat is fixed, the upper end surface of the positioning block 12 is attached to the lower surface of the checking fixture; then, the checking fixture is moved and arranged at a designated position of the vehicle body, so that the lower end face of the positioning block 12 is attached to the lower surface of the vehicle body, at this time, the chuck 21 penetrates through a through hole arranged on the vehicle body corresponding to the positioning hole and is completely positioned on the other side of the vehicle body, a space exists between the upper end face of the chuck 21 and the vehicle body, and the chuck 21 forms a second projection in the axial direction of the rotating shaft.

The handle 22 is operated to slide from the uppermost end to the lowermost end of the sliding chute 14, that is, the handle 22 slides from the other end to the one end of the sliding chute 14, the rotating shaft 20 rotates, the releasing position is switched to the clamping position, the chuck 21 is driven to rotate, and the chuck 21 is screwed out to a position opposite to the other side of the vehicle body, as shown in fig. 5-6, at this time, in the axial direction of the rotating shaft, the chuck 21 forms a first projection, the first projection has a projection area located outside the second projection, and the part of the chuck 21 corresponding to the projection area clamps the vehicle body in the limiting space.

At this time, since the fixing seat 10 is fixed to the inspection tool, and the chuck 21 of the rotating shaft 20 connected to the fixing seat 10 clamps the vehicle body, even if an external force acts on the inspection tool, the chuck 21 cannot be separated from the clamping of the vehicle body, so that the inspection tool can be positioned on the vehicle body.

The gauge positioning device is convenient to use, utilizes a rotating mode, quickly realizes accurate positioning of the gauge, shortens working hours and improves the manufacturing efficiency of automobiles.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A positioning device of a checking fixture is characterized by comprising a fixed seat and a rotating shaft, wherein the rotating shaft is rotatably connected to a first end face of the fixed seat and can be rotatably switched between a clamping position and a releasing position,

a positioning block is arranged on the first end face of the fixed seat;

a chuck is arranged at the first end of the rotating shaft, which is far away from the fixed seat, and a limiting space is formed between the chuck and the positioning block; when the rotating shaft is located at the clamping position, the axial projection of the chuck on the rotating shaft is a first projection; when the rotating shaft is located at the loosening position, the axial projection of the chuck on the rotating shaft is a second projection; the first projection has a projection area located outside the second projection.

2. The checking fixture positioning device according to claim 1, wherein a first end surface of the fixing seat is provided with a rotating shaft hole extending into the fixing seat, the rotating shaft portion is inserted into the rotating shaft hole of the fixing seat, a sliding groove communicated with the rotating shaft hole is formed in a side surface of the fixing seat, the sliding groove extends transversely, a handle is slidably connected in the sliding groove, and the handle is arranged on the rotating shaft;

when the rotating shaft is positioned at the clamping position, the handle is positioned at one end in the sliding groove; when the rotating shaft is located at the loosening position, the handle is located at the other end in the sliding groove.

3. The fixture positioning device according to claim 2, wherein the slide groove is provided obliquely in an axial direction of the rotary shaft.

4. The fixture positioning device of claim 2, wherein the handle protrudes from the chute.

5. The fixture positioning device according to claim 1, wherein a concave cavity is formed in a surface of the chuck in a concave manner, a polygonal block is arranged on the first end surface of the fixing seat, and the chuck is covered on the outer side of the polygonal block through the concave cavity.

6. The fixture positioning device according to claim 1, wherein a plurality of notches are formed in an edge of the cavity and are communicated with the cavity.

7. The fixture positioning device according to claim 1, wherein the polygonal block has a plurality of chamfered surfaces at its edge.