CN213874038U

CN213874038U - Positioning and pressing mechanism for automobile checking fixture

Info

Publication number: CN213874038U
Application number: CN202022806869.9U
Authority: CN
Inventors: 张民
Original assignee: Guangzhou Ningwu Science And Technology Co ltd
Current assignee: Guangzhou Ningwu Science And Technology Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-08-03
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a location hold-down mechanism for on automotive checking fixture, comprising a base plate, demountable installation has the contour block on the bottom plate, the contour block is with the outline phase-match that is detected the piece, the contour block inboard is equipped with the stopper, be provided with the locating piece between stopper and the contour block, the well upper portion of locating piece with one side of stopper is articulated, the lower part of locating piece with be equipped with the elastic component between the lower part of stopper, the upper portion of locating piece is equipped with and is used for the location the pothook that is detected the piece, the contour block is provided with and is used for passing the contour block and with the locating piece is supported to hold in order to drive the locating piece takes place the pivoted and pushes up the piece. The utility model discloses can realize the effect that the location compressed tightly the product in relatively sealing and constrictive space, simple structure moreover, stability is good, convenient operation.

Description

Positioning and pressing mechanism for automobile checking fixture

Technical Field

The utility model relates to an auto-parts technical field especially relates to a location hold-down mechanism for on automotive checking fixture.

Background

In the automobile manufacturing industry, after the production of the plastic interior trim parts on the automobile body is finished, the shape and position deviation of the punched, hot-pressed and injection molded plastic interior trim part needs to be checked by using a checking fixture. The detection of the form and position deviation of the plastic interior trim part of the automobile body is divided into two types, namely body detection and assembly detection, wherein the body detection is used for detecting the form and position deviation of the body form of the plastic interior trim part, and the assembly detection is used for actually assembling the plastic interior trim part on a sheet metal part of the automobile body and checking the installation matching relation of various decoration single parts or assembly parts on the automobile body and the installation matching relation among the decoration parts.

At present, the structures of some automotive plastic interior parts are shown in figure 1, a datum plane 8 is arranged on the interior parts, and the difficulty of designing a positioning mechanism in the structure is that five surfaces of a product are closed, only one surface is open, the space is narrow, so that the positioning mechanism is required to be stable, the part taking operation is convenient, and the product is not damaged.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a location hold-down mechanism for automobile inspection tool can realize the effect of location product in relatively closed and constrictive space, simple structure moreover, stability is good, convenient operation.

The purpose of the utility model is realized by adopting the following technical scheme:

the utility model provides a location hold-down mechanism for on automotive checking fixture, includes the bottom plate, demountable installation has the profile modeling piece on the bottom plate, profile modeling piece and the outline phase-match that is detected the piece, the profile modeling piece inboard is equipped with the stopper, be provided with the locating piece between stopper and the profile modeling piece, the well upper portion of locating piece with one side of stopper is articulated, the lower part of locating piece with be equipped with the elastic component between the lower part of stopper, the upper portion of locating piece is equipped with and is used for the location detect the pothook of piece, the profile modeling piece be provided with be used for passing the profile modeling piece and with the locating piece support to hold in order to drive the locating piece takes place pivoted top retaining member.

Furthermore, the profiling block is provided with a transverse through hole penetrating through the profiling block, and the jacking piece penetrates through the transverse through hole and then abuts against the outer side face of the positioning block.

Further, the tight round pin in top for the top, the tight round pin in top includes handle end and the tight end in top, the surface of the tight end in top is equipped with the external screw thread, horizontal through-hole be equipped with external screw thread assorted internal thread.

Furthermore, the end part of the tightening end is provided with a tightening head, and the tightening head is coated with a rubber layer.

Furthermore, the positioning block is hinged with the limiting block through a rotating shaft.

Further, the stopper is the platelike structure of shape of falling T, the horizontal limit of stopper be equipped with the first mounting hole that the profile modeling piece is connected, the perpendicular limit of stopper includes riser and the curb plate of perpendicular connection in the riser left and right sides, has seted up first hinge hole on two curb plates respectively, and two first hinge holes are coaxial to be set up.

Further, the locating piece is "7" type structure, the well upper portion of the vertical section of locating piece is equipped with the second hinge hole, the horizontal section of locating piece include with the first slope section that the vertical section slope of locating piece is connected and set up the second slope section at first slope section tip, the second slope section with contained angle has between the first slope section, the second slope section with the cooperation of second slope section forms the pothook.

Further, the inner side of the contour block is provided with a mounting groove, and the mounting groove is provided with a second mounting hole corresponding to the first mounting hole.

Furthermore, a strip-shaped groove is inwards recessed in the middle of the mounting groove, and the positioning block is contained in the strip-shaped groove.

Furthermore, the elastic piece is a spring, a first limiting groove is formed in the lower portion of the positioning block, a second limiting groove is formed in the lower portion of the limiting block, the first limiting groove and the second limiting groove are correspondingly arranged, and the spring is contained in the first limiting groove and the second limiting groove.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses a top tight piece drive locating piece takes place to rotate, makes the pothook on the locating piece compress tightly then and is detected the piece to the completion is detected the location of piece and is compressed tightly. The utility model discloses a positioning mechanism compares with traditional standard hold-down mechanism, can realize the effect that the location compressed tightly the product in relatively sealing and constrictive space, simple structure moreover, stability is good, and it is convenient that the product is got in the operation.

Drawings

Fig. 1 is a schematic structural view of an automotive plastic interior trim part provided by the present invention;

fig. 2 is an assembly schematic view of a positioning and pressing mechanism used on an automobile testing fixture and a detected piece provided by the utility model;

FIG. 3 is an exploded view of the structure of FIG. 2;

FIG. 4 is a schematic partially exploded view of the structure of FIG. 2;

FIG. 5 is a cross-sectional view of the structure of FIG. 2;

fig. 6 is the utility model provides a pair of a location hold-down mechanism's for on automotive checking fixture schematic diagram, the figure is not shown the contour block.

In the figure: 1. a base plate; 2. a contour block; 20. a transverse through hole; 21. installing a groove; 22. a strip-shaped groove; 23. a second mounting hole; 24. positioning holes; 3. a limiting block; 31. a first mounting hole; 32. a first hinge hole; 4. positioning blocks; 41. a second hinge hole; 42. a hook; 5. an elastic member; 6. a top tightening member; 61. tightly pushing the head; 62. a handle end; 7. a detected piece; 70. positioning the clamp hole; 71. connecting blocks; 8. a reference plane.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "inner", "outer", 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 simplicity of description, and 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," "one," "another," and the like are used to distinguish similar elements, and these terms and other similar terms are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. Corresponding reference numerals are used throughout the figures to indicate corresponding or corresponding elements (e.g., elements identified as "1 XX" and "2 XX" are structurally identical and functionally similar).

As shown in fig. 1-6, for the utility model provides a pair of a location hold-down mechanism for automobile inspection tool is last, including bottom plate 1, demountable installation has shape block 2 on the bottom plate 1, shape block 2 with be detected the outline phase-match of

piece

7, 2 inboards of shape block are equipped with stopper 3, be provided with locating piece 4 between stopper 3 and the shape block 2, the well upper portion of locating piece 4 with one side of stopper 3 is articulated, the lower part of locating piece 4 with be equipped with elastic component 5 between the lower part of stopper 3, the upper portion of locating piece 4 is equipped with and is used for the location the pothook 42 that is detected piece 7, shape block 2 is provided with and is used for passing shape block 2 and with locating piece 4 supports to hold in order to drive locating piece 4 takes place pivoted puller 6.

In this embodiment, the detected piece 7 is provided with a positioning clamp hole 70, before detection, the profile modeling block 2 is fixed on the bottom plate 1, then the tightening piece 6 is loosened, the inner side surface of the detected piece 7 is aligned with the inner side surface of the profile modeling block 2, so that the connecting block 71 at the top of the detected piece 7 is aligned with the positioning hole 24 on the profile modeling block 2, meanwhile, the positioning clamp hole 70 is aligned with the clamping hook 42 of the positioning block 4, and the positioning clamp hole 70 is positioned above the clamping hook 42; after the detected piece 7 is installed, the positioning block 4 is pressed through the jacking piece 6, the positioning block 4 rotates under the action of the jacking piece 6, at the moment, the clamping hook 42 on the positioning block 4 can be buckled into the positioning clamp hole 70 to press and fix the positioning clamp hole 70, so that the positioning pressing operation of the detected piece 7 is completed, and then the detection process of the detected piece 7 can be carried out. After the detection is finished, the detected piece 7 is taken out, the top clamping piece 6 is loosened, the positioning block 4 is opened by the elastic piece 5 after the loosening, and then the detected piece 7 can be taken out.

The utility model discloses a positioning mechanism compares with traditional standard hold-down mechanism, can realize the effect that the location compressed tightly the product in relatively sealing and constrictive space, simple structure moreover, stability is good, and it is convenient that the product is got in the operation.

Preferably, the profile block 2 is provided with a transverse through hole 20 penetrating through the profile block 2, and the top member 6 passes through the transverse through hole 20 and then abuts against the outer side surface of the positioning block 4.

Specifically, the tightening piece 6 is a tightening pin which comprises a handle end 62 and a tightening end, the outer surface of the tightening end is provided with an external thread, and the transverse through hole 20 is provided with an internal thread matched with the external thread.

In this embodiment, through setting the puller 6 to the puller pin, and the puller pin is threaded connection with the profiling block 2, like this, only need through the action of rotating the puller pin, just can make the puller pin jack up locating piece 4 to make locating piece 4 take place to rotate easy operation convenience.

More specifically, the end of the tightening end is provided with a tightening head 61, and the tightening head 61 is coated with a rubber layer. This avoids scratching the positioning block 4.

Preferably, the positioning block 4 is hinged to the limiting block 3 through a rotating shaft.

Preferably, the limiting block 3 is a plate-shaped structure with an inverted T shape, the transverse edge of the limiting block 3 is provided with a first mounting hole 31 connected with the contour block 2, the vertical edge of the limiting block 3 comprises a vertical plate and side plates vertically connected to the left and right sides of the vertical plate, first hinge holes 32 are respectively formed in the two side plates, and the two first hinge holes 32 are coaxially arranged.

Preferably, the locating piece 4 is "7" type structure, the well upper portion of the vertical section of locating piece 4 is equipped with second hinge hole 41, the horizontal section of locating piece 4 include with the first slope section of the slope connection of the vertical section of locating piece 4 and set up the second slope section at first slope section tip, the second slope section with contained angle has between the first slope section, the second slope section with the cooperation of second slope section forms pothook 42.

Preferably, the inner side of the contour block 2 is provided with a mounting groove 21, and the mounting groove 21 is provided with a second mounting hole 23 corresponding to the first mounting hole 31. In this embodiment, the limiting block 3 is detachably mounted with the profiling block 2 through a bolt. By arranging the mounting groove 21, the limiting block 3 can be hidden on the contour block 2,

preferably, a strip-shaped groove 22 is recessed inwards in the middle of the mounting groove 21, and the positioning block 4 is accommodated in the strip-shaped groove 22. The positioning block 4 has a moving space by arranging the strip-shaped groove 22.

Preferably, the elastic member 5 is a spring, a first limiting groove is formed in the lower portion of the positioning block 4, a second limiting groove is formed in the lower portion of the limiting block 3, the first limiting groove and the second limiting groove are correspondingly formed, and the spring is contained in the first limiting groove and the second limiting groove. Through setting up first spacing recess and second spacing recess, be convenient for fix the spring between locating piece 4 and stopper 3.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a location hold-down mechanism for on automotive checking fixture, its characterized in that, includes the bottom plate, demountable installation has the contour block on the bottom plate, the contour block is with the outline phase-match that is detected the piece, the contour block inboard is equipped with the stopper, be provided with the locating piece between stopper and the contour block, the well upper portion of locating piece with one side of stopper is articulated, the lower part of locating piece with be equipped with the elastic component between the lower part of stopper, the upper portion of locating piece is equipped with and is used for the location detect the pothook of piece, the contour block be provided with be used for passing the contour block and with the locating piece support to hold in order to drive the locating piece takes place pivoted ejector retainer.

2. The positioning and pressing mechanism for the automobile checking fixture as claimed in claim 1, wherein the contour block is provided with a transverse through hole penetrating through the contour block, and the tightening member passes through the transverse through hole and then abuts against the outer side surface of the positioning block.

3. The positioning and pressing mechanism for the automobile checking fixture as claimed in claim 2, wherein the tightening member is a tightening pin, the tightening pin comprises a handle end and a tightening end, the tightening end is provided with an external thread on an outer surface, and the transverse through hole is provided with an internal thread matching with the external thread.

4. The positioning and pressing mechanism for the automobile testing fixture as claimed in claim 3, wherein a tightening head is provided at an end of the tightening end, and the tightening head is covered with a rubber layer.

5. The positioning and pressing mechanism for the automobile testing fixture as claimed in claim 1, wherein the positioning block is hinged to the limiting block through a rotating shaft.

6. The positioning and pressing mechanism for the automobile checking fixture is characterized in that the limiting block is of an inverted T-shaped plate-shaped structure, a first mounting hole connected with the profiling block is formed in the transverse edge of the limiting block, the vertical edge of the limiting block comprises a vertical plate and side plates vertically connected to the left side and the right side of the vertical plate, first hinge holes are formed in the two side plates respectively, and the two first hinge holes are coaxially arranged.

7. The positioning and pressing mechanism of claim 1, wherein the positioning block is of a "7" shape, a second hinge hole is formed in a middle upper portion of the vertical section of the positioning block, the transverse section of the positioning block comprises a first inclined section connected to the vertical section of the positioning block in an inclined manner and a second inclined section arranged at an end of the first inclined section, an included angle is formed between the second inclined section and the first inclined section, and the second inclined section cooperate to form the hook.

8. The positioning and pressing mechanism for the automobile checking fixture as claimed in claim 6, wherein a mounting groove is formed on an inner side of the contour block, and the mounting groove is provided with a second mounting hole corresponding to the first mounting hole.

9. The positioning and pressing mechanism for the automobile checking fixture according to claim 8, wherein a strip-shaped groove is recessed in the middle of the mounting groove, and the positioning block is received in the strip-shaped groove.

10. The positioning and pressing mechanism for the automobile checking fixture as claimed in claim 1, wherein the elastic member is a spring, a first limiting groove is disposed at a lower portion of the positioning block, a second limiting groove is disposed at a lower portion of the limiting block, the first limiting groove and the second limiting groove are correspondingly disposed, and the spring is received in the first limiting groove and the second limiting groove.