CN212645663U

CN212645663U - Rotatable stamping part checking fixture

Info

Publication number: CN212645663U
Application number: CN202021623624.6U
Authority: CN
Inventors: 誉智威; 赖穗燕; 黄丹; 朱建; 蔡亲友; 赵继鑫; 高秀峰; 汤建灵; 吴旭坤
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: 2021-03-02
Anticipated expiration: 2030-08-06

Abstract

The utility model relates to the technical field of part checking tools, and discloses a rotatable stamping part checking tool, which comprises a frame body, a detection body arranged on the frame body, and a rotating shaft connected between the frame body and the detection body; the detection body can be switched between a horizontal state and a vertical state around the rotating shaft; the detection body comprises a support frame, a plurality of reference blocks arranged on the upper surface of the support frame and a fixing frame connected to the support frame; a supporting surface for supporting a stamped part is formed on the surface of the supporting frame, and a reference mark is arranged on the end surface of the reference block; the fixed frame is provided with a pressing block used for pressing the stamping part on the supporting surface. The utility model discloses can simulate stamping forming's door inner panel's horizontality and vertical state, can switch over fast between these two states, be convenient for detect the precision of door inner panel under two kinds of states, be convenient for carry out reason analysis and countermeasure implementation to the precision problem that detects out.

Description

Rotatable stamping part checking fixture

Technical Field

The utility model relates to an utensil technical field is examined to the part, especially relates to an utensil is examined to rotatable punching press part.

Background

The inner plate of the vehicle door is produced and molded by a stamping mode, and after stamping, the inner plate of the vehicle door is horizontally placed on the checking fixture to detect each reference surface of the inner plate of the vehicle door.

When an existing vehicle door is assembled, a vehicle door inner plate is horizontally placed on a gauge, the state of the vehicle door inner plate on a finished vehicle is a vertical state, and before assembly, only the reference surface precision when the vehicle door inner plate is horizontally placed is detected. During the assembly, the datum plane of door inner panel probably will take place the skew because the effect of gravity, as shown in fig. 1, when the assembly door this moment, the datum plane of door inner panel can't laminate with the datum plane supporting shoe, need detect and maintain it after, can be with the door assembly on finished car, has caused the waste of man-hour and manpower and materials.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the utility model provides a can detect door reference surface precision's rotatable punching press part examines utensil under vertical state.

In order to achieve the purpose, the utility model provides a rotatable stamping part checking fixture, which comprises a frame body, a detecting body arranged on the frame body, and a rotating shaft connected between the frame body and the detecting body; the detection body can be switched between a horizontal state and a vertical state around the rotating shaft; the detection body comprises a support frame, a plurality of reference blocks arranged on the upper surface of the support frame and a fixing frame connected to the support frame; a supporting surface for supporting a stamped part is formed on the surface of the supporting frame, and a reference mark is arranged on the end surface of the reference block; the fixing frame is provided with a pressing block used for pressing the stamping part on the supporting surface, and the supporting frame is provided with a plurality of positioning holes used for being matched with the positioning pins.

Furthermore, the fixing frame is provided with a plurality of fixing frames, the fixing frame comprises a first rod and a second rod, the first rod is connected to the supporting frame, the second rod is pivoted to the first rod, the pressing block is arranged at the tail end of the second rod, the second rod rotates around the pivoting position of the second rod and the first rod, the pressing position and the releasing position are switched, a self-locking structure is arranged in the fixing frame, and the fixing frame is kept at the pressing position by the self-locking structure.

Furthermore, a first limiting rod and a second limiting rod which are positioned on the rotation path of the detection body are arranged on the frame body; when the detection body is in a horizontal state, the first limiting rod is abutted against the detection body; when the detection body is in a vertical state, the second limiting rod is abutted to the detection body.

Furthermore, the end faces of the first limiting rod and the second limiting rod facing the rotation path of the detection body are provided with fixing pieces, and when the fixing pieces abut against the detection body, the detection body is fixed.

Further, the fixing member fixes the detection body by screw connection.

Furthermore, the support frame is provided with a closed annular protrusion, the surface of the annular protrusion is connected to form the support surface, and the shape of the support surface is matched with the peripheral side surface of the stamping part.

Further, the device also comprises a buffer cylinder; the buffer cylinder comprises a telescopic part and a base for pushing the telescopic part to move in a telescopic way; the base of the buffer cylinder is arranged on the frame body; the telescopic part of the buffer cylinder is connected to the detection body; when the detection body is in a horizontal state, the telescopic part of the buffer cylinder is in an upper limit position; when the detection body is in a vertical state, the telescopic part of the buffer cylinder is lower than the upper limit position.

Further, the base of the buffer cylinder is pivoted on the frame body, and the telescopic part of the buffer cylinder is pivoted on the side surface of the detection body.

Compared with the prior art, the utility model, its beneficial effect lies in:

the utility model discloses can simulate stamping forming's door inner panel's horizontality and vertical state to can switch over fast between these two states, be convenient for detect the precision of door inner panel under two kinds of states, can carry out the reference surface precision under the vertical state to it after door inner panel production is accomplished and count the plan, so that carry out reason analysis and countermeasure implementation in advance to the precision problem that detects out.

Drawings

Fig. 1 is a schematic view of a reference plane offset of a door inner panel in a prior art door inner panel according to an embodiment of the present invention when assembled to a finished vehicle.

Fig. 2 is the utility model discloses rotatable punching press part examines the schematic diagram.

Fig. 3 is the utility model discloses rotatable punching press part examines behind assembly door inner panel schematic diagram.

Fig. 4 is another angle schematic diagram after the assembly of the car door inner panel of the rotatable punching press part testing fixture of the embodiment of the present invention.

Fig. 5 is a plan view of the rotatable punching part inspection device of the embodiment of the present invention after assembling the vehicle door inner panel.

Fig. 6 is an enlarged view of a position a in fig. 5 of the rotatable punching part checking fixture of the embodiment of the present invention.

Fig. 7 is an enlarged view of B in fig. 5 of the rotatable punching part checking fixture of the embodiment of the present invention.

Fig. 8 is a schematic diagram of a detection body of the rotatable stamped part detection tool according to the embodiment of the present invention in a vertical state.

Reference numerals:

in the figure, 1, a frame body; 11. a first limit rod; 12. a second limiting rod; 13. a fixing member; 2. detecting a body; 21. a support frame; 211. a support surface; 22. a reference block; 23. a fixed mount; 231. a first lever; 232. a second lever; 233. a compression block; 24. a reference mark; 3. a rotating shaft; 4. a base of the buffer cylinder; 5. a telescopic part of the buffer cylinder; 6. a handle; 7. positioning pins; 8. a door inner panel.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to 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 or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed 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 limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. 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.

The utility model discloses an utensil is examined to rotatable punching press part can use on the reference surface of multiple punching press part detects, especially uses on the reference surface of door inner panel detects.

As shown in fig. 1-8, the embodiment of the present invention discloses a rotatable stamping part checking fixture, which comprises a frame body 1, a detecting body 2 disposed on the frame body 1, and a rotating shaft 3 connected between the frame body 1 and the detecting body 2; a space for the detection body 2 to rotate around a rotating shaft 3 is reserved in the frame body 1, the detection body 2 can be switched between a horizontal state and a vertical state around the rotating shaft 3, and the rotating angle of the detection body 2 is 90 degrees; the detecting body 2 comprises a support frame 21, a plurality of reference blocks 22 arranged on the upper surface of the support frame 21, and a fixing frame 23 connected to the support frame 21; the support frame 21 is connected with the rotating shaft 3, a support surface 211 for supporting a stamped part is formed on the surface of the support frame, and a reference mark 24 is arranged on the end surface of the reference block 22; the fixing frame 23 is provided with a pressing block 233 used for pressing the stamping part on the supporting surface 211, and the pressing block 233 presses the stamping part to prevent the stamping part from falling off from the checking fixture in a vertical state.

The detecting body 2 is provided with a plurality of positioning holes for matching with the positioning pins 7. After the vehicle door inner plate 8 is placed, a through hole is formed in the vehicle door inner plate 8 corresponding to the positioning hole, the positioning pin 7 penetrates through the through hole and extends into the positioning hole, a limiting ring is assembled on the part, protruding out of the through hole, of the positioning pin 7, and allowance is reserved between the limiting ring and the vehicle door inner plate 8 and between the positioning pin 7 and the through hole. Preferably, two positioning holes are provided.

When the door inner panel 8 is mounted on the finished vehicle, the door inner panel is mounted vertically, and therefore, the state in which the door inner panel 8 is vertically placed needs to be detected during detection. When detecting the reference surface of the door inner panel 8, the door inner panel 8 is placed on the supporting surface 211, generally, the supporting surface 211 supports the edge of the door inner panel 8 with the arc-shaped undulation, and for detecting the end face accuracy of the edge of the door inner panel 8, the supporting surface 211 is configured as an arc-shaped surface matched with the edge of the door inner panel 8 so as to detect the end face accuracy.

When the reference surface accuracy is detected, firstly, the reference surface accuracy detection in a horizontal state is carried out, at the moment, the door inner plate 8 covers the supporting surface 211 and is supported by the supporting surface 211 of the supporting block, the reference block 22 is positioned below the door inner plate 8, the end surface of the reference block is preset at the position of a through hole on the door inner plate 8, when the reference surface of the door inner plate 8 is correct, the reference mark 24 can penetrate through the door inner plate 8 and is shown to a detector, and if the detector cannot observe the reference mark 24 or only observes part of the reference mark 24, the reference surface of the door inner plate 8 on the detector is not satisfactory.

After the reference surface precision detection in the horizontal state is completed, the detection body 2 rotates around the rotating shaft 3 until the detection body 2 is in the vertical state, the positioning pin 7 is matched in the positioning hole at the moment, and part or all of the fixing frames 23 are loosened, so that the vehicle door inner plate 8 is not fixed any more. At this moment, the door inner panel 8 can be vertical under the suspension effect of the positioning pin, if the reference surface precision of the door inner panel in the vertical state does not meet the requirement, because allowance is left between the limit ring and the door inner panel 8 and between the positioning pin 7 and the through hole, the door inner panel 8 can deflect, and when an inspector observes that the door inner panel 8 deflects in the vertical state, the reference surface precision of the door inner panel 8 does not meet the requirement.

The gauge of this embodiment can detect the reference surface precision of two kinds of states of placing of door inner panel 8, compares in prior art to the mode of the reference surface precision of the vertical state of door inner panel 8 that just can detect when installing door inner panel 8, and the gauge that this embodiment provided can realize in advance the reference surface precision to the vertical state of door inner panel 8, leaves a large amount of time for the reprocessing and the adjustment of door inner panel 8, can not influence the holistic production flow of car.

The embodiment of the utility model discloses a horizontal state and the vertical state of stamping forming's door inner panel 8 can simulate to can switch over fast between these two states, be convenient for detect the precision of door inner panel under two kinds of states, can carry out the reference surface precision under the vertical state to it after 8 production completions in the door inner panel and plan, so that carry out reason analysis and countermeasure implementation in advance to the precision problem that detects out.

Wherein, in one embodiment, the fiducial mark 24 is a circular mark with a centerline.

In one embodiment, the fixing frame 23 is provided in plurality so as to press the door inner panel 8 from a plurality of positions, the fixing frame 23 includes a first rod 231 and a second rod 232, the first rod 231 is connected to the supporting frame 21, the second rod 232 is pivoted to the first rod 231, the pressing block 233 is provided at the end of the second rod 232, the second rod 232 rotates around the pivoting point with the first rod 231, and switches between a pressing position and a releasing position, and in the pressing position, the pressing block 232 of the fixing frame 23 presses the door inner panel 8 to fix the position of the door inner panel 8 on the detecting body 2, and the position does not move when detecting; a self-locking structure is arranged in the fixing frame 23, and the fixing frame 23 is kept at a compression position by the self-locking structure.

After the door inner panel 8 is placed, the second rod 232 of the fixing frame 23 is pressed toward the door inner panel 8 around the pivot joint between the second rod and the first rod 231, so that the door inner panel 8 is fixed to the detection body 2.

In one embodiment, the frame body 1 is provided with a first limiting rod 11 and a second limiting rod 12 which are positioned on a rotation path of the detection body 2, and the first limiting rod 11 and the second limiting rod 12 are fixed on the frame body 1; when the detecting body 2 is in a horizontal state, the first limiting rod 11 is abutted against the detecting body 2; when the detecting body 2 is in the vertical state, the second stopper rod 12 abuts against the detecting body 2.

When the detecting body 2 abuts against the first stopper rod 11 or the second stopper rod 12, the detecting body 2 cannot continue to rotate in its original rotational direction. In the present embodiment, the first stopper rod 11 and the second stopper rod 12 are used to restrict the rotation angle of the detecting body 2 so that the detecting body can rotate only within a limited 90-degree range.

In one embodiment, in order to hold the detecting body 2 in a horizontal state or a vertical state, a fixing member 13 is provided on end surfaces of the first stopper rod 11 and the second stopper rod 12 facing a rotation path of the detecting body 2, and the fixing member 13 fixes the detecting body 2 when abutting against the detecting body 2.

More specifically, the fixing member 13 fixes the detecting body 2 by screwing.

Optionally, a screw is provided on the detecting body 2, and a threaded hole is provided on the fixing member 13 at a position corresponding to the screw; alternatively, a screw hole is provided in the detection body 2, and a screw is provided in the fixing member 13 at a position corresponding to the screw hole.

When the detecting body 2 abuts against the fixing piece 13, the screw is screwed into the threaded hole, and the detecting body 2 is fixed.

When the detection body 2 abuts against one of the limiting blocks, the first magnetic block and the second magnetic block attract each other, the detection body 2 is fixed at the corresponding limiting block by magnetic force, when the state needs to be changed, the rotating shaft 3 rotates to provide force for the detection body 2 to be separated from the limiting block, and when the force is larger than the magnetic force between the limiting block and the detection body 2, the detection body 2 rotates again.

In one embodiment, the supporting frame 21 is provided with a closed annular protrusion, the surface of the annular protrusion is connected to form the supporting surface 211, and the shape of the supporting surface 211 matches with the peripheral side surface of the stamped part; when the door inner panel 8 is placed on the support surface 211, the reference block 22 is located between the door inner panel 8 and the detection body 2, and the reference mark 24 can be observed from the side where the door inner panel 8 is easily observed.

The rotating shaft 3 can be driven by various means, such as motor driving, manual driving, etc.

In a preferred embodiment, the detecting body 2 is provided with a handle 6, and a detector drives the detecting body 2 to rotate around the rotating shaft 3 by holding the handle 6 to switch the state; this preferred embodiment simple structure, it is less to examining the change of utensil, with low costs.

After the detection body 2 is placed on the inner plate 8 of the vehicle door, the structural mass of the detection body is large, and in one embodiment, in order to avoid the problem that the rotation speed of the detection body 2 is high due to the action of gravity, the detection tool further comprises a buffer cylinder; the buffer cylinder comprises a telescopic part 5 and a base 4 for pushing the telescopic part 5 to move telescopically; the base of the buffer cylinder is arranged on the frame body 1, and the telescopic part 5 of the buffer cylinder is connected to the detection body 2; when the detecting body 2 is in a horizontal state, the telescopic part 5 of the buffer cylinder is in an upper limit position; when the detecting body 2 is in a vertical state, the telescopic part 5 of the buffer cylinder is lower than an upper limit position.

In this embodiment, when the expansion part 5 of the buffer cylinder moves up and down in the base 4 of the buffer cylinder, the pressure of the gas in the base 4 on the expansion part 5 needs to be overcome, so that the detection body 2 rotates at a lower speed, and the use safety of the detection tool is ensured.

In one embodiment, the base 4 of the buffer cylinder is pivotally connected to the frame 1, and the extension part 5 of the buffer cylinder is pivotally connected to the side surface of the detecting body 2.

Further, when the frame body 1 reserves the space for the rotation of the detection body 2, the front end of the detection body 2 lacks a supporting function, the expansion part 5 of the buffer cylinder is pivoted on the side surface of the front end of the detection body 2, and the expansion part plays a supporting function for the detection body 2 in a vertical state, so that unexpected rotation due to the action of gravity after the vehicle door inner plate 8 with large mass is placed on the detection body 2 is prevented.

In one embodiment, in order to facilitate the movement of the inspection tool, a moving wheel is provided under the frame body 1.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of 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 rotatable stamping part detection tool is characterized by comprising a frame body (1), a detection body (2) arranged on the frame body (1), and a rotating shaft (3) connected between the frame body (1) and the detection body (2); the detecting body (2) can be switched between a horizontal state and a vertical state around the rotating shaft (3);

the detection body (2) comprises a support frame (21), a plurality of reference blocks (22) arranged on the upper surface of the support frame (21), and a fixing frame (23) connected to the support frame (21);

a supporting surface (211) for supporting a stamped part is formed on the surface of the supporting frame (21), and a reference mark (24) is arranged on the end surface of the reference block (22); the fixed frame (23) is provided with a pressing block (233) used for pressing the stamping part on the supporting surface (211);

the supporting frame (21) is provided with a plurality of positioning holes used for being matched with the positioning pins (7).

2. The rotatable stamping part detection tool according to claim 1, wherein the fixing frame (23) is provided with a plurality of fixing frames, and the plurality of fixing frames comprise a first rod (231) and a second rod (232), the first rod (231) is connected to the support frame (21), the second rod (232) is pivoted on the first rod (231), the pressing block (233) is arranged at the tail end of the second rod (232), the second rod (232) rotates around the pivoting position of the second rod and the first rod (231), the pressing position and the releasing position are switched, a self-locking structure is arranged in the fixing frame (23), and the fixing frame (23) is kept at the pressing position by the self-locking structure.

3. The rotatable stamping part detection tool according to claim 1, wherein a first limiting rod (11) and a second limiting rod (12) which are positioned on a rotation path of the detection body (2) are arranged on the frame body (1);

when the detection body (2) is in a horizontal state, the first limiting rod (11) is abutted against the detection body (2); when the detection body (2) is in a vertical state, the second limiting rod (12) is abutted against the detection body (2).

4. The rotatable stamped part testing fixture according to claim 3, wherein a fixing member (13) is provided on an end surface of the first and second limiting rods (11, 12) facing a rotation path of the detecting body (2), and the fixing member (13) fixes the detecting body (2) when abutting against the detecting body (2).

5. The rotatable stamped part gauge according to claim 4, wherein the fixing member (13) fixes the detecting body (2) by screwing.

6. The rotatable stamping part checking fixture according to claim 1, wherein the support frame (21) is provided with a closed annular protrusion, the surface of the annular protrusion is connected to form the support surface (211), and the shape of the support surface (211) is matched with the peripheral side surface of the stamping part.

7. The rotatable stamped part gauge of claim 1, further comprising a cushion cylinder; the buffer cylinder comprises a telescopic part (5) and a base (4) for pushing the telescopic part (5) to move in a telescopic way; a base (4) of the buffer cylinder is arranged on the frame body (1); the telescopic part (5) of the buffer cylinder is connected to the detection body (2);

when the detection body (2) is in a horizontal state, the telescopic part (5) of the buffer cylinder is in an upper limit position; when the detection body (2) is in a vertical state, the telescopic part (5) of the buffer cylinder is lower than the upper limit position.

8. The rotatable stamping part detection tool according to claim 7, wherein the base (4) of the buffer cylinder is pivoted on the frame body (1), and the extension part (5) of the buffer cylinder is pivoted on the side surface of the detection body (2).