CN220437291U

CN220437291U - Size detection jig for automobile sheet metal part

Info

Publication number: CN220437291U
Application number: CN202322119920.2U
Authority: CN
Inventors: 李奎; 孙健
Original assignee: Anhui Fulute General Machinery Co ltd
Current assignee: Anhui Fulute General Machinery Co ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-02-02
Anticipated expiration: 2033-08-08

Abstract

The utility model relates to the technical field of automobile sheet metal part detection, in particular to a size detection jig for an automobile sheet metal part. The utility model not only greatly enhances the applicability of the detection jig in use, but also facilitates the operation of the detection jig by a user, so that the sheet metal parts can be firmly clamped on the inner wall of the clamping part in use of the detection jig, the accuracy of the detection jig in detection is greatly improved, the detection of the sizes of a plurality of groups of sheet metal parts can be rapidly completed in use of the detection jig, the detection efficiency is further improved, and therefore, whether the sizes of the sheet metal parts are qualified or not is known, and the cost for detecting various sheet metal parts is reduced.

Description

Size detection jig for automobile sheet metal part

Technical Field

The utility model relates to the technical field of automobile sheet metal part detection, in particular to a size detection jig for an automobile sheet metal part.

Background

The automobile sheet metal part is required to be strictly processed according to the design size, the processing error is required to be within the range of the design error, the product error size is required to be measured after the automobile stamping part is processed so as to ensure the normal installation of the automobile sheet metal part, and the size detection jig for the automobile sheet metal part is required.

Firstly, because the sizes and the diameters of the sheet metal parts are greatly different, the requirement on the universality of the detection jig is higher, the existing detection jig cannot generally clamp and fix the sheet metal parts with different sizes and diameters when in use, so that the applicability of the detection jig is greatly reduced when in use, and meanwhile, a user is inconvenient to operate the detection jig, and the use is inconvenient; secondly, if the sheet metal part is loose during detection, the detection precision of the detection jig can be affected, the existing detection jig can not prevent the sheet metal part from loosening and sliding during use, and the accuracy of the detection jig during detection is greatly reduced; again, detect the tool and need detect the size of sheet metal component when using, current detection tool is usually inconvenient when using detects the size of sheet metal component, this just makes the detection tool can not be quick the completion to the detection of the size of multiunit sheet metal component when using, further reduces detection efficiency, has increased the cost of detecting various sheet metal components.

Disclosure of Invention

The utility model aims to provide a dimension detection jig for an automobile sheet metal part, which aims to solve the problems that sheet metal parts with different dimensions and diameters cannot be clamped and fixed, the sheet metal parts cannot be prevented from loosening and sliding, and the dimension detection of a plurality of groups of sheet metal parts cannot be completed rapidly when the dimension detection jig is used in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a size detection tool for auto sheet metal component, includes the supporting base, the fixed frame is all installed to the surface of supporting base top position department, the top of fixed frame is provided with the support frame, the surface mounting of support frame has the fixed plate, the surface below of fixed plate is provided with the lifter plate, the surface mounting of lifter plate bottom position department has the detection head, the surface of lifter plate bottom position department all is provided with the pick-up plate, the mutual sliding fit of pick-up plate and lifter plate's surface, the surface mounting of supporting base has control button, the fixed orifices has all been seted up to the surface of supporting base, the top of supporting base all is provided with the mounting panel, the one end of mounting panel runs through the fixed orifices and extends to the supporting base below, the surface threaded connection of mounting panel has adjusting screw, the one end of adjusting screw runs through the outside of mounting panel and extends to the mounting panel, the surface of mounting panel is provided with the holder, the surface mounting panel and mutually rotates the cooperation with adjusting screw, the inside of fixed frame is provided with the moving mechanism that is used for carrying out the position to the fixed plate, the supporting base's surface adjustment mechanism has the guide block, the adjustment mechanism has the inner wall, the guide pin profile of control mechanism has the inner wall, the guide pin, the convenient to constitute by the fixture with the inner wall.

Preferably, the internally mounted of fixed plate has driving motor, driving motor's input and control button's output electric connection, driving motor's output is installed the bull stick through the shaft coupling, the inside of fixed plate is provided with the lead screw body, the inner wall of lead screw body and fixed plate mutually rotates the cooperation, the one end of lead screw body is fixed with the surface of bull stick mutually, the surface thread bush of lead screw body is equipped with the regulation spiral shell section of thick bamboo, the surface of regulation spiral shell section of thick bamboo and lead screw body mutually rotates the cooperation, the mutual sliding fit of inner wall of regulation spiral shell section of thick bamboo and fixed plate, electric putter is all installed to the surface of regulation spiral shell section of thick bamboo bottom position department, electric putter's input and control button's output electric connection, electric putter's output is fixed with the surface of lifter top position department mutually.

Preferably, a fixed block is arranged on the surface of the top of the detection plate, a fixed groove is formed in the inner wall of the lifting plate, the fixed groove is in sliding fit with the surface of the fixed block, balls are arranged on the surface of the fixed block, and the balls are in mutual rotating fit with the surface of the fixed block.

Preferably, the surface of the ball is attached to the inner wall of the fixed groove, the surface of the lifting plate is connected with a fastening stud in a threaded manner, and one end of the fastening stud penetrates through the lifting plate and is fastened with the surface of the fixed block in a threaded manner.

Preferably, the adjusting position part is arranged on the surface of the supporting base and consists of a positioning groove and a positioning block, the connecting blocks are arranged on the surfaces of the two sides of the fixing hole, the positioning block is arranged on the surface of the bottom of the connecting block, the positioning groove is arranged on the surface of the supporting base, and the positioning groove is matched with the surface of the positioning block in a clamping manner.

Preferably, guide blocks are mounted on the surfaces of the fixing holes, guide grooves are formed in the inner walls of the supporting base, the guide grooves are located on two sides of the fixing holes respectively, and the guide blocks are in sliding fit with the surfaces of the guide grooves.

Preferably, equidistant elastic columns are arranged on the inner walls of the clamping pieces, clamping plates are arranged on the inner walls of the clamping pieces, and the surfaces of the clamping plates are fixed with the surfaces of the elastic columns.

Preferably, equidistant spring assemblies are arranged on the inner walls of the clamping pieces, one ends of the spring assemblies are fixed with the surface of the clamping plate, and anti-slip pads are arranged on the surface of the clamping plate.

Compared with the prior art, the utility model has the beneficial effects that: the size detection jig for the automobile sheet metal parts not only greatly enhances the applicability of the detection jig in use, but also is convenient for a user to operate the detection jig, is more convenient to use, and can firmly clamp the sheet metal parts on the inner wall of the clamping part in use, so that the accuracy of the detection jig in detection is greatly improved, and the detection of the sizes of a plurality of groups of sheet metal parts can be rapidly completed in use, thereby further improving the detection efficiency, knowing whether the sizes of the sheet metal parts are qualified or not, and reducing the detection cost of various sheet metal parts;

1. through being provided with adjustment position mechanism, the user presses the mounting panel downwards for the mounting panel drives the fixed orifices and moves to the below of supporting the base, when the fixed orifices moved, the fixed orifices drove the guide block and slides in the inside of guide way, at this moment, the fixed orifices drove the connecting block and move to laminating mutually with the surface of supporting the base, at this moment, the connecting block drives the locating piece card to the inside of constant head tank, install the mounting panel on the surface of supporting the base under the card effect of constant head tank and locating piece, the user is through adjusting the position between the mounting panel, make detection tool can satisfy different user demands, the function that the sheet metal component of different sizes and diameters was held fixedly has been realized to the detection tool, thereby the suitability when making detection tool use is greatly strengthened, simultaneously, the user conveniently operates detection tool, it is more convenient to use;

2. through being provided with locking mechanism, drive the grip block motion under the combined action of grip block inner wall elasticity post and spring assembly, when the grip block motion, the grip block drives the slipmat and moves to laminating mutually with the surface of sheet metal component, with the auxiliary clamping of sheet metal component in the inside of grip block under the effect of grip block, the surface to the sheet metal component is antiskid under the effect of slipmat, avoid the sheet metal component to appear becoming flexible in the centre gripping, the function of detection tool to the surface locking of sheet metal component takes off the antiskid is realized, thereby can be with the firm centre gripping of sheet metal component at the inner wall of grip block when making the detection tool use, the accuracy of detection tool when detecting improves greatly;

3. through being provided with convenient detection mechanism, the user unscrews the fastening stud on lifter plate surface, the pick-up plate is pulled again, make the pick-up plate drive the fixed block and slide in the inside of fixed slot, when the fixed block moves, reduce the frictional force that produces when the fixed block moves under the effect of ball, make the distance between the pick-up plate adjust the size distance to the sheet metal component that needs to detect, afterwards, the fastening stud on lifter plate surface is screwed down to the user, install the pick-up plate in the bottom of lifter plate under the effect of fastening stud, fix the position of pick-up plate, the user tests the size of sheet metal component through observing the laminating degree between pick-up plate and the sheet metal component, the function of detecting the convenient detection size of tool has been realized, thereby the completion that can be quick when making the detection tool use is to the detection of the size of multiunit sheet metal component, further improve detection efficiency, thereby learn whether the size of sheet metal component is qualified, the cost of detecting various sheet metal components has been reduced.

Drawings

FIG. 1 is a schematic three-dimensional perspective view of the present utility model;

FIG. 2 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 3 is an enlarged schematic top view of the support base of the present utility model;

FIG. 4 is an enlarged schematic side sectional view of the lift plate of the present utility model;

FIG. 5 is an enlarged schematic view of the position adjustment mechanism of FIG. 2 in accordance with the present utility model;

fig. 6 is an enlarged schematic view of the locking mechanism of fig. 3 according to the present utility model.

In the figure: 1. a support base; 101. a fixed frame; 102. a support frame; 103. a fixing plate; 104. a detection head; 105. a control button; 106. a driving motor; 107. a screw body; 108. adjusting the screw cylinder; 109. an electric push rod; 110. a lifting plate; 111. a detection plate; 112. a fixing hole; 113. a mounting plate; 114. adjusting a screw; 115. a clamping member; 2. the detection mechanism is convenient; 201. a ball; 202. a fastening stud; 203. a fixed block; 204. a fixing groove; 3. an adjustment position mechanism; 301. a guide block; 302. a connecting block; 303. an adjustment position section; 3031. a positioning groove; 3032. a positioning block; 4. an anti-loosening mechanism; 401. an anti-slip pad; 402. an elastic column; 403. a clamping plate; 404. a spring assembly; 5. and a moving mechanism.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

The utility model provides a structure of a size detection jig for an automobile sheet metal part, as shown in fig. 1 and 2, the size detection jig comprises a support base 1, a fixing frame 101 is arranged on the surface of the top position of the support base 1, a supporting frame 102 is arranged above the fixing frame 101, a fixing plate 103 is arranged on the surface of the supporting frame 102, a lifting plate 110 is arranged below the surface of the fixing plate 103, a detection head 104 is arranged on the surface of the bottom position of the lifting plate 110, a detection plate 111 is arranged on the surface of the bottom position of the lifting plate 110, the detection plate 111 is in sliding fit with the surface of the lifting plate 110, a control button 105 is arranged on the surface of the support base 1, the model of the control button 105 can be selected from LA series, a driving motor 106 is arranged in the interior of the fixing plate 103, the model of the driving motor 106 can be selected from JO series, the input end of the driving motor 106 is electrically connected with the output end of the control button 105, a rotating rod 107 is arranged in the interior of the fixing plate 103, the inner wall of the fixing plate 103 is in a rotating fit with the inner wall of the fixing plate 103, one end of the screw body 107 is in a rotating fit with the surface of the fixing plate 103, the surface of the fixing plate 108 is provided with the surface of the screw body 108 is provided with a threaded cylinder 108, the surface of the electric cylinder 109 is in a fixed with the top end of the electric cylinder 109 is in a fixed connection with the surface of the top of the electric cylinder 109, the electric cylinder 109 is in a fixed with the top end 109 is in a fixed fit with the surface of the top of the electric cylinder 109, the top is arranged in the top is in the surface of the top of the electric cylinder 109 is in a fixed connection with the top is in a hole 109 is in the connection with the surface of the electric cylinder 109 is in the top is in a hole is in the electrical connection with the electric cylinder 109 is in the a hole has a hole in a hole, one end of the mounting plate 113 penetrates through the fixing hole 112 and extends to the lower portion of the supporting base 1, an adjusting screw 114 is connected to the surface of the mounting plate 113 in a threaded mode, one end of the adjusting screw 114 penetrates through the mounting plate 113 and extends to the outer side of the mounting plate 113, a clamping piece 115 is arranged on the surface of the mounting plate 113, the clamping piece 115 is in mutual rotation fit with the surface of the adjusting screw 114, and a moving mechanism 5 for adjusting the position of the fixing plate 103 is arranged inside the fixing frame 101.

Further, as shown in fig. 2 and 5, the surface of the support base 1 is provided with an adjusting position mechanism 3, the adjusting position mechanism 3 is composed of a guide block 301, a connecting block 302 and an adjusting position portion 303, the adjusting position portion 303 is arranged on the surface of the support base 1, the adjusting position portion 303 is composed of a positioning groove 3031 and a positioning block 3032, the surfaces on two sides of the fixing hole 112 are provided with the connecting block 302, the surface of the bottom of the connecting block 302 is provided with the positioning block 3032, the surface of the support base 1 is provided with the positioning groove 3031, the surfaces of the positioning block 3031 and the positioning block 3032 are in mutual clamping fit, the surface of the fixing hole 112 is provided with the guide block 301, the inner wall of the support base 1 is provided with the guide groove, the guide grooves are respectively positioned on two sides of the fixing hole 112, and the surfaces of the guide block 301 and the guide groove are in mutual sliding fit.

During implementation, the fixing holes 112 drive the connecting blocks 302 to move to be attached to the surface of the support base 1, at this time, the connecting blocks 302 drive the positioning blocks 3032 to be clamped inside the positioning grooves 3031, the mounting plates 113 are mounted on the surface of the support base 1 under the clamping action of the positioning grooves 3031 and the positioning blocks 3032, and a user can adjust the positions among the mounting plates 113, so that different use requirements of the detection jig can be met, and the function of clamping and fixing sheet metal parts with different sizes and diameters by the detection jig is realized.

Further, as shown in fig. 3 and 6, an anti-loosening mechanism 4 is disposed on the inner wall of the clamping member 115, the anti-loosening mechanism 4 is composed of an anti-loosening pad 401, an elastic column 402, a clamping plate 403 and a spring assembly 404, equidistant elastic columns 402 are mounted on the inner wall of the clamping member 115, clamping plates 403 are disposed on the inner wall of the clamping member 115, the surfaces of the clamping plate 403 and the elastic column 402 are fixed, equidistant spring assemblies 404 are mounted on the inner wall of the clamping member 115, one end of the spring assembly 404 is fixed on the surface of the clamping plate 403, and the anti-loosening pad 401 is mounted on the surface of the clamping plate 403.

During implementation, the clamping plate 403 is driven to move under the combined action of the elastic column 402 and the spring assembly 404 on the inner wall of the clamping piece 115, when the clamping plate 403 moves, the clamping plate 403 drives the anti-slip pad 401 to move to be attached to the surface of the sheet metal part, the sheet metal part is clamped in the clamping piece 115 in an auxiliary mode under the action of the clamping plate 403, the surface of the sheet metal part is prevented from slipping under the action of the anti-slip pad 401, and the sheet metal part is prevented from loosening during clamping, so that the function of preventing the surface of the sheet metal part from loosening and slipping by the detection jig is realized.

Further, as shown in fig. 2 and fig. 4, the surface of the lifting plate 110 is provided with a convenient detection mechanism 2, the interior of the convenient detection mechanism 2 comprises a ball 201, a fastening stud 202, a fixed block 203 and a fixed slot 204, the fixed block 203 is installed on the surface of the top of the detection plate 111, the fixed slot 204 is provided on the inner wall of the lifting plate 110, the fixed slot 204 and the surface of the fixed block 203 are in sliding fit with each other, the ball 201 and the surface of the fixed block 203 are in rotating fit with each other, the surface of the ball 201 is attached to the inner wall of the fixed slot 204, the fastening stud 202 is in threaded connection with the surface of the lifting plate 110, and one end of the fastening stud 202 penetrates through the lifting plate 110 and is in threaded fastening with the surface of the fixed block 203.

During implementation, a user unscrews the fastening studs 202 on the surface of the lifting plate 110, pulls the detection plate 111 again, enables the detection plate 111 to drive the fixing block 203 to slide in the fixing groove 204, reduces friction force generated when the fixing block 203 moves under the action of the balls 201 when the fixing block 203 moves, enables the distance between the detection plates 111 to be adjusted to the size distance required to be detected by the sheet metal parts, then, the user tightens the fastening studs 202 on the surface of the lifting plate 110, installs the detection plate 111 at the bottom of the lifting plate 110 under the action of the fastening studs 202, fixes the position of the detection plate 111, and tests the size of the sheet metal parts by observing the fit degree between the detection plate 111 and the sheet metal parts so as to realize the function of conveniently detecting the size of the detection jig.

Working principle: when the detection tool is used, firstly, the support base 1 is placed at a designated position, a user places a sheet metal part to be detected on the surface of the support base 1, then, the user places the mounting plates 113 on two sides of the sheet metal part, the user presses the mounting plates 113 downwards, the mounting plates 113 drive the fixing holes 112 to move to the lower side of the support base 1, when the fixing holes 112 move, the fixing holes 112 drive the guide blocks 301 to slide in the guide grooves, at the moment, the fixing holes 112 drive the connecting blocks 302 to move to be attached to the surface of the support base 1, at the moment, the connecting blocks 302 drive the positioning blocks 3032 to be clamped in the positioning grooves 3031, the mounting plates 113 are mounted on the surface of the support base 1 under the clamping action of the positioning grooves 3031 and the positioning blocks 2, and the user can meet different use requirements by adjusting the positions between the mounting plates 113, so that the detection tool can realize the function of clamping and fixing the sheet metal parts with different sizes and diameters, and the applicability of the detection tool during use is greatly enhanced.

Subsequently, the user rotates adjusting screw 114 on mounting panel 113 surface for adjusting screw 114 drives clamping piece 115 and moves to the surface of sheet metal component, with the sheet metal component centre gripping at the surface of supporting base 1 under the effect of clamping piece 115, at this moment, drive clamping plate 403 motion under the combined action of clamping piece 115 inner wall elasticity post 402 and spring assembly 404, when clamping plate 403 motion, clamping plate 403 drives slipmat 401 to the laminating with the surface of sheet metal component mutually, with the auxiliary clamp of sheet metal component in the inside of clamping piece 115 under the effect of clamping plate 403, carry out the antiskid to the surface of sheet metal component under the effect of slipmat 401, avoid the sheet metal component to appear not hard up in the centre gripping, in order to realize detecting the function of the surface locking of sheet metal component to take off the antiskid, thereby make the firm centre gripping of sheet metal component at the inner wall of clamping piece 115 when detecting the tool use, make the accuracy of detecting tool when detecting improve greatly.

Then, the user operates the control button 105, so that the control button 105 controls the driving motor 106 inside the fixed plate 103 to work, when the driving motor 106 works, the driving motor 106 drives the screw rod body 107 to rotate on the inner wall of the fixed plate 103, the adjusting screw cylinder 108 is driven to move left and right to a required position under the threaded fit of the adjusting screw cylinder 108 and the screw rod body 107, and then, the user operates the control button 105 again, so that the control button 105 controls the electric push rod 109 to work, the lifting plate 110 is driven to move downwards to the required position under the action of the electric push rod 109, and the sheet metal part is detected under the action of the surface detection head 104 of the lifting plate 110.

Then, the user unscrews the fastening stud 202 on the surface of the lifting plate 110, pulls the detection plate 111 again, so that the detection plate 111 drives the fixed block 203 to slide in the fixed groove 204, when the fixed block 203 moves, friction force generated when the fixed block 203 moves under the action of the balls 201 is reduced, the distance between the detection plates 111 is adjusted to the size distance required to be detected by the sheet metal parts, then, the user tightens the fastening stud 202 on the surface of the lifting plate 110, installs the detection plate 111 at the bottom of the lifting plate 110 under the action of the fastening stud 202, fixes the position of the detection plate 111, and the user tests the size of the sheet metal parts by observing the fit degree between the detection plate 111 and the sheet metal parts, so that the function of conveniently detecting the size of the sheet metal parts is realized, the detection of a plurality of groups of sheet metal parts can be rapidly completed when the detection jig is used, the detection efficiency is further improved, whether the size of the sheet metal parts is qualified or not is known, the cost for detecting various sheet metal parts is reduced, and finally the use of the detection jig is completed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Size detection tool for auto sheet metal component, including supporting base (1), its characterized in that: the surface of the top position of the supporting base (1) is provided with a fixed frame (101), the upper side of the fixed frame (101) is provided with a supporting frame (102), the surface of the supporting frame (102) is provided with a fixed plate (103), the lower side of the surface of the fixed plate (103) is provided with a lifting plate (110), the surface of the bottom position of the lifting plate (110) is provided with a detection head (104), the surface of the bottom position of the lifting plate (110) is provided with a detection plate (111), the detection plate (111) and the surface of the lifting plate (110) are in sliding fit with each other, the surface of the supporting base (1) is provided with a control button (105), the surface of the supporting base (1) is provided with a fixing hole (112), the upper side of the supporting base (1) is provided with a mounting plate (113), one end of the mounting plate (113) penetrates through the fixing hole (112) and extends to the lower side of the supporting base (1), the surface of the mounting plate (113) is in threaded connection with an adjusting screw (114), one end of the adjusting screw (114) penetrates the mounting plate (113) and extends to the outer side of the mounting plate (113), the clamping piece (115) is in sliding fit with the surface of the clamping piece (115), the inside of fixed frame (101) is provided with mobile mechanism (5) that are used for carrying out the position of regulation to fixed plate (103), the surface of supporting base (1) is provided with adjustment position mechanism (3), adjustment position mechanism (3) comprise guide block (301), connecting block (302) and adjustment position portion (303), the inner wall of holder (115) is provided with anti-loosening mechanism (4), anti-loosening mechanism (4) comprise slipmat (401), elasticity post (402), grip block (403) and spring assembly (404), the surface of lifter plate (110) is provided with convenient detection mechanism (2), the inside of convenient detection mechanism (2) is contained ball (201), fastening double-screw bolt (202), fixed block (203) and fixed slot (204).

2. The dimension detection jig for an automobile sheet metal part according to claim 1, wherein: the inside of fixed plate (103) is equipped with driving motor (106), the output electric connection of driving motor (106) and control button (105), the bull stick is installed through the shaft coupling to the output of driving motor (106), the inside of fixed plate (103) is provided with lead screw body (107), the inner wall of lead screw body (107) and fixed plate (103) rotates the cooperation each other, the one end of lead screw body (107) is fixed with the surface of bull stick mutually, the surface thread bush of lead screw body (107) is equipped with adjusts spiral shell section of thick bamboo (108), adjust spiral shell section of thick bamboo (108) and the surface of lead screw body (107) mutually rotate the cooperation, adjust spiral shell section of thick bamboo (108) and the inner wall of fixed plate (103) mutually sliding fit, electric putter (109) are all installed on the surface of the position department of adjusting spiral shell section of thick bamboo (108), the input of electric putter (109) and the output electric connection of control button (105), the output of electric putter (109) is fixed with the surface of lifter (110) top position department mutually.

3. The dimension detection jig for an automobile sheet metal part according to claim 1, wherein: the surface mounting of pick-up board (111) top department has fixed block (203), fixed slot (204) have been seted up to the inner wall of lifter plate (110), fixed slot (204) and the mutual sliding fit of the surface of fixed block (203), the surface of fixed block (203) all is provided with ball (201), the surface of ball (201) and fixed block (203) is mutually rotated and is cooperated.

4. The dimension detection jig for an automobile sheet metal part according to claim 3, wherein: the surface of ball (201) is laminated with the inner wall of fixed slot (204), the surface of lifter plate (110) all threaded connection has fastening double-screw bolt (202), the one end of fastening double-screw bolt (202) runs through lifter plate (110) and with the surface screw thread fastening of fixed block (203).

5. The dimension detection jig for an automobile sheet metal part according to claim 1, wherein: the adjusting position part (303) is arranged on the surface of the supporting base (1), the adjusting position part (303) is composed of a positioning groove (3031) and a positioning block (3032), connecting blocks (302) are arranged on the surfaces of two sides of the fixing hole (112), the positioning block (3032) is arranged on the surface of the bottom of each connecting block (302), the positioning groove (3031) is formed in the surface of the supporting base (1), and the positioning groove (3031) is matched with the surface of the positioning block (3032) in a clamping mode.

6. The dimension detection jig for an automobile sheet metal part according to claim 1, wherein: guide blocks (301) are mounted on the surfaces of the fixing holes (112), guide grooves are formed in the inner walls of the supporting base (1), the guide grooves are respectively located on two sides of the fixing holes (112), and the guide blocks (301) are in sliding fit with the surfaces of the guide grooves.

7. The dimension detection jig for an automobile sheet metal part according to claim 1, wherein: equidistant elastic columns (402) are arranged on the inner walls of the clamping pieces (115), clamping plates (403) are arranged on the inner walls of the clamping pieces (115), and the surfaces of the clamping plates (403) are fixed with the surfaces of the elastic columns (402).

8. The dimension detection jig for an automobile sheet metal part according to claim 1, wherein: equidistant spring assemblies (404) are arranged on the inner walls of the clamping pieces (115), one ends of the spring assemblies (404) are fixed with the surface of the clamping plate (403), and anti-slip pads (401) are arranged on the surface of the clamping plate (403).