CN211503952U - Multifunctional composite checking fixture for automotive interior door panel - Google Patents

Abstract

A multifunctional composite checking fixture for an automotive interior door plate belongs to the technical field of detection and overcomes the problem that the prior art can not realize the three-coordinate full-size front and back detection functions of an automotive interior injection molding door plate body and a door plate assembly, and is characterized in that a door plate iron door sheet metal contour block, a positioning and locking mechanism, a door plate base plate main positioning block, a Y-direction limiting mechanism and a Z-direction limiting mechanism are arranged in front of a bottom plate of the checking fixture, a door plate assembly back contour block, a back positioning and pressing elastic sheet, a door plate assembly back handle contour block and a door plate base plate back positioning block are arranged behind the bottom plate of the checking fixture, the multifunctional composite checking fixture has the beneficial effects that only one set of checking fixture needs to be developed, the three-coordinate full-size front and back full-size detection functions of the injection molding door plate body and the door plate assembly and the, the quick assembly and disassembly are realized, and the detection precision and the high efficiency of the detection process are improved.

Description

Multifunctional composite checking fixture for automotive interior door panel

Technical Field

The utility model belongs to the technical field of automotive interior spare detects, in particular to multi-functional compound utensil of examining of automotive interior door plant.

Background

In the production of automotive interior door panels, in order to control the three-dimensional geometric full size and contour dimension of the automotive interior door panels, the geometric dimension of an injection door panel body and a welded door panel assembly need to be detected respectively, wherein the geometric dimension of the injection door panel body is detected by detecting the deviation of the injection door panel, the welded door panel assembly is detected by detecting the contour dimension of the welded door panel assembly, the contour dimension of the door panel assembly is detected by simulating the matching dimension of the actual assembly of the automotive interior door panels between door metal plates, and the automotive door panel inspection device in the prior art cannot meet the functional detection requirements at the same time.

Example 1, application number is CN 201420107784.3's utility model discloses a detection frock of plaque in automobile door, and this utility model discloses an examine a bottom plate, detect profile benchmark and clamping mechanism including the door plant, clamping mechanism includes operating device and a plurality of tight head of clamp, press from both sides tight head and pass through the tight base of clamp is evenly arranged detect the inboard of profile benchmark, operating device fixes the upper portion of examining a bottom plate is examined to the door plant, and through the pine of a plurality of tight heads of stay cord control or tight action, its front end forms closed hole when upper and lower chuck is closed. The utility model discloses a simple structure, convenient operation has reduced workman's intensity of labour, has improved the efficiency of work. However, this utility model discloses the function singleness only openly detects automotive interior door plant, and can only realize the matching size detection function of assembly door plant and door panel beating, can not realize moulding plastics door plant body and door plant assembly three-dimensional full-scale detection, and in addition, this utility model operating mechanism is connected through the stay cord between the tight head of clamp, through the action of the last chuck of a plurality of tight heads of clamp of stay cord control and lower chuck, because the stay cord is not hard up easily, can produce measuring error, influences measurement accuracy.

Example 2, application number is CN 201320894183.7's utility model discloses an utensil is examined to back door plant, this utility model discloses a bottom plate, 2 respectively fixed settings are at the riser of bottom plate both sides, rotatably set up the base plate between the riser, set up the measuring block on the base plate to and afterbody and base plate fixed connection measuring end stretch into the appearance rule in the space that the measuring block is limited, the measuring block include with base plate fixed connection's U-shaped edge measuring block and door plant topside measuring block, door plant topside measuring block and connecting plate an organic whole be formed and can dismantle fixed connection through connecting plate and base plate. The utility model discloses an utensil is examined to back door plank for simulate automobile body back door in the position of whole car, with realize under non-loading state with the detection of back door plank complex part, however, this utility model can only realize the assembly door plant of back door and the positive size detection function of matching of door panel beating, this utility model rotatably set up the base plate of 2 vertical plates and can overturn wantonly, also be for the ease of detecting, improve the convenience that time measuring was examined to the back door plank of bulky, consequently this utility model also can not realize moulding plastics door plant body and door plant assembly three-dimensional positive and negative two-sided size's of full size detection function.

Example 3, the invention with application number CN201010263469.6 discloses a rotatable two-sided automobile door panel checking fixture, which comprises a trolley, a bottom plate and a latch. The automobile door plate detection tool with two rotatable surfaces is characterized in that a left door plate detection tool and a right door plate detection tool are respectively arranged on two surfaces of a bottom plate; a rotary positioning arm provided with a rotating shaft and a pin hole is respectively and fixedly arranged at the centers of the two side walls of the bottom plate; the bottom plate is erected on a pivot of a bracket of a trolley provided with trundles through a rotating shaft, and a pin is used for pinning and fixing a bracket jack and a pin hole of a rotating positioning arm, so that the technical scheme solves the problems and the defects of high cost, large occupied space for use and storage, and inconvenience for detecting, moving and rotating an assembly, is convenient for detecting, moving and rotating the assembly, and the rotation means that when the assembly is detected, the bottom plate is rotated to enable the bottom plate to be upright, the pin is inserted into the pin hole of the upright foot part of the rotating positioning arm and pinned and fixed with the bracket jack, and the assembly is detected; and at left door plant or the this detection of right door plant time measuring, the rotating bottom plate, left door plant or the right door plant body level of the one side that will detect up, it is fixed with the support jack pinning with the pinhole that the bolt inserted the rotation positioning arm horizontal arm, left door plant or the detection of right door plant body, that is to say, no matter how rotatory, just detect the front of left door plant or right door plant, can't detect the back of left door plant or right door plant, also can not realize moulding plastics door plant body and the three-dimensional geometric full-size of door plant assembly and detect the function, and left door plant or right door plant body detect to the formula of keeping flat and detect, this is inconsistent with the state when car door plant is actually installed, there is measuring error, measuring accuracy also can reduce.

Example 4, application number is CN 201720012331.6's utility model discloses an utensil is examined to vertical type automotive interior door plant, including the frame, detachable is equipped with a door plant mount that is used for installing the interior door plant on the frame, just the plane that the door plant mount was located perpendicular with the horizontal plane to be in vertical state when making the interior door plant install on the door plant mount, thereby articulated on the door plant mount have one can around turn be close to or keep away from the door plant detection mechanism of door plant mount, be equipped with a plurality of inspection holes that are used for inserting the percentage table on the door plant detection mechanism, just the position of inspection hole and interior door plant on treat the position one-to-one of check point. The utility model discloses an examine utensil and adopt vertical structure, with the loading state completely unanimous, however, this utility model can only realize the matching size detection function of assembly door plant and door panel beating, the percentage table is beaten the point and is detected and can only measure fixed measuring point, can not realize moulding plastics door plant body and door plant assembly three-dimensional full-scale detection function.

Example 5, the invention with application number CN201710690070.8 discloses a composite inspection tool, which includes an inspection tool bottom plate, wherein a detection assembly for detecting a hole site of a vehicle door is arranged on the inspection tool bottom plate, and includes a positioning pin, the positioning pin includes a positioning section at the bottom, an adjusting section in the middle, and an operating section at the top, the adjusting section is axially provided with a first adjusting groove, the bottom end of the adjusting section is connected with one end of a second adjusting groove arranged in the circumferential direction, the top of the fixing seat is provided with a locking disc, and the bottom of the fixing seat is provided with a detection reference disc; the locking disc is provided with a locking hole; the detection reference disc is provided with a detection hole, and the adjusting section freely passes through the middle part of the fixed seat; the fixed pin is a spring pin which is arranged in the first adjusting groove in a sliding mode and supports the adjusting section on the base; the rotating pin is used for driving the positioning pin to rotate; the detection part extends into the detection reference disc along the detection hole and is used for detecting the distance between the detection part and the adjustment section during movement. According to the invention, a positioning pin capable of moving up and down and rotating is matched with an external detection part to realize accurate measurement of a detected hole, an L-shaped adjusting groove is formed by an axial first adjusting groove and a circumferential second adjusting groove on the positioning pin, wherein the axial first adjusting groove is used for installing a fixing pin capable of moving up and down axially, the fixing pin is a spring pin which is installed in the first adjusting groove in a sliding manner, the outer end of the spring pin penetrates out of the locking hole and supports a base on an adjusting section to be used for axially adjusting the fixing base so as to axially adjust the detection part; the circumference second adjustment tank is used for installing rotatory round pin, rotatory round pin one end slidable mounting is in the second adjustment tank, and the other end radially extends to one side of back to the adjustment section, through rotatory round pin circumference regulation detection round pin, sets up second adjustment tank circumference to the axial motion of restriction fixing base. Furthermore, the positioning pin is provided with a fixing pin which can move up and down axially; the bottom of the positioning pin is provided with a rotating pin for driving the positioning pin to rotate, the rotating pin and the rotating pin are used simultaneously, during detection, the axial direction and the circumferential direction of the positioning pin are detected, and the accurate detection of the reference holes of the inner plate and the outer plate is ensured, namely, the positioning pin and the rotating pin are respectively arranged in the L-shaped adjusting groove, so that the L-shaped adjusting groove has detection and positioning functions, but the L-shaped adjusting groove does not play a role in clamping or loosening the decorative door plate.

Example 6, the invention with application number CN201510840889.9 discloses a combined multifunctional vehicle door check tool, which comprises a base plate and a check tool body arranged on the base plate and matched with a front vehicle door and a rear vehicle door, wherein a front door front edge detection unit is arranged in front of the outer side of the check tool body, and a front door rear edge upper detection unit, a front door rear edge lower detection unit, a rear door front edge detection unit and a rear door front edge lower detection unit are arranged on the inner side of the check tool body. The detection unit can rotate and turn over, and a hinge nut detection support is movably arranged on the detection body. The invention can simultaneously carry out combined inspection on the front and rear doors, in addition, the function of measuring the position deviation of the door hinge nut is added, but as can be seen from the attached drawings, the invention is the multifunctional inspection on the front and rear doors of the outer door panel of the automobile, and is not the inspection on the inner door panel of the automobile.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that overcome prior art's weak point, provide one kind with the automotive interior door plant state when in actual installation unanimous, possess the door plant body of moulding plastics and door plant assembly openly with the full size measurement function of back three-dimensional, imitate door panel beating and match the gap and measure multi-functionally examine utensil and measurement accuracy height, low in manufacturing cost to conveniently examine a multi-functional compound utensil of examining of automotive interior door plant of storing and using.

The utility model relates to a multifunctional composite checking fixture for automobile interior trim door sheets, which adopts the technical proposal that the multifunctional composite checking fixture comprises a base, a checking fixture bottom plate is connected on the base, a positioning locking mechanism is arranged on the checking fixture bottom plate, a door sheet metal contour block is arranged in front of the checking fixture bottom plate, a front lug integrated with the door sheet metal contour block is respectively arranged on the inner wall and the outer wall of the door sheet metal contour block, a screw hole is arranged on the front lug, a door sheet metal simulation block locking nut is arranged in the screw hole, an iron sheet metal contour hole for simulating the iron sheet metal hole matched with a door sheet buckle is arranged on the upper surface of the door sheet metal contour block, a positioning locking mechanism mounting seat is arranged in front of the checking fixture bottom plate, a positioning locking mechanism capable of simulating the installation with the door sheet is arranged on the positioning locking mechanism mounting seat, a door sheet base main positioning block and a Y-direction positioning reference block are arranged on the middle position bottom plate of the door sheet metal contour, the two ends of the Y-direction positioning reference block are provided with measuring and positioning locking rods, the door panel substrate main positioning block is provided with a door panel assembly front pressing elastic sheet, the front of the bottom plate of the checking fixture is also provided with a Y-direction limiting mechanism and a Z-direction limiting mechanism, the bottom plate of the checking fixture is also provided with a coordinate system reference hole, and a coordinate system reference circle for establishing a measuring coordinate system is arranged in the coordinate system reference hole; the back of the checking fixture bottom plate is provided with a door plate assembly back contour block and a back positioning compression elastic sheet, the door plate assembly back contour block is provided with a door plate substrate Y-direction positioning column, the door plate assembly back contour block is provided with a back lug integrated with the door plate assembly back contour block, the back lug is provided with a door plate assembly back positioning pin, the checking fixture bottom plate at the middle position of the door plate assembly back contour block is provided with a door plate assembly back handle contour block and a door plate substrate back positioning block, and the door plate assembly back compression elastic sheet is arranged on the door plate substrate back positioning block.

The inboard of door plant irongate panel beating contour block respectively is equipped with 3 integrative positive lugs with door plant irongate panel beating contour block respectively in the outside and the inboard, all is equipped with the screw rod hole on every positive lug and installs door plant irongate panel beating simulation piece lock nut wherein the outer wall of door plant irongate panel beating contour block still installs 4 and is convenient for door plant irongate panel beating contour block installation or dismantles the simulation piece handle the irongate panel beating contour block in 10 simulation irongate panel beating holes of preparation above the door plant irongate panel beating contour block.

The checking fixture comprises a checking fixture base plate, 10 door panel base plate Y-direction positioning columns, 3 back lugs, a door panel assembly back positioning pin and 7 back positioning compression spring pieces, wherein the 10 door panel base plate Y-direction positioning columns are installed on the periphery of the door panel assembly back profiling block, the 3 back lugs integrated with the door panel assembly back profiling block are arranged at the bottom and the lower left corner of the door panel assembly back profiling block, the door panel assembly back positioning pin is installed on each back lug, and the 7.

The positioning and locking mechanism comprises a T-shaped hook sleeve, a positioning seat is arranged at the right end of the T-shaped hook sleeve, an axial pin hole used for being connected with a bottom plate of the checking fixture is processed on the positioning seat, a through axial through hole is processed in the center of the T-shaped hook sleeve, a U-shaped groove is processed in the axial middle position of a cylindrical sleeve at the left end of the T-shaped hook sleeve, the bottom end of the U-shaped groove is perpendicular to the axis to form a radial slideway, two ends of the U-shaped groove form 2 axial limiting grooves parallel to the axis, a rotary switch control rod is installed in the U-shaped groove of the T-shaped hook sleeve, a left groove is processed at the left end of the T-shaped hook sleeve, a right groove is processed at the right end of the T-shaped hook sleeve, a reverse tensioning positioning hook is installed in the axial through hole of the T-shaped hook sleeve, a positioning hook head is arranged at the left end of the reverse tensioning positioning hook, and, be equipped with in the centre of reverse taut location hook with rotary switch control lever complex constant head tank, install the shackle in the left recess of T shape shackle, install the spring in the right recess of T shape shackle, install spring holder and stop nut on the reverse taut location hook of right-hand member of spring, rotary switch control lever inserts simultaneously in the constant head tank of reverse taut location hook install the bulb of the manual operation of being convenient for on the rotary switch control lever.

When preparing to carry out automobile interior door plant assembly and the positive panel beating of automobile body and examine time measuring, tear door plant base plate primary importance piece and location locking mechanism down, the front of the automobile interior door plant assembly that awaits measuring is adjusted well and is installed on the preceding door plant iron-door panel beating contour block of examining the bottom plate, beat the buckle of automobile interior door plant assembly into in the iron-door panel beating contour hole, hang the product through Y and Z direction stop gear and compress tightly the product, the both ends measurement location check lock lever of rethread Y to the location benchmark piece compresses tightly the product, detect the gap face difference requirement between door plant assembly part and the door plant iron-door panel beating contour block through special logical no-go gage, clearance gauge and disconnected poor chi.

When preparing to carry out the positive size detection of automotive interior door plant assembly, tear door plant base plate main locating piece and door plant iron door panel beating profile modeling piece down, install the front of the automotive interior door plant that awaits measuring well on examining preceding location locking mechanism of utensil bottom plate, adjust the position of the product that awaits measuring, make the product that awaits measuring can pack into smoothly according to the location position on examining the utensil, rethread location locking mechanism compresses tightly the product that awaits measuring, hang the product and compress tightly through Y and Z direction stop gear, it compresses tightly the product to measure the location check lock lever through Y to the both ends of location benchmark piece again, utilize the three-dimensional to detect the product on the profile that needs detected, the tolerance is then the product qualified in the within range, otherwise regards as unqualified.

When preparing to carry out the positive size detection of automotive interior door plant skeleton, tear Y to location benchmark piece and door plant iron door panel beating profile modeling piece down, install the front of the automotive interior door plant skeleton that awaits measuring well on examining preceding location locking mechanism of utensil bottom plate, adjust the position of the product that awaits measuring, make the product that awaits measuring can pack into smoothly according to the location position on examining the utensil, rethread location locking mechanism compresses tightly the product that awaits measuring, then compress tightly the product through Y and Z direction stop gear, door plant assembly on the rethread door plant substrate main positioning piece openly compresses tightly the shell fragment and compresses tightly the product that awaits measuring, utilize the three-dimensional to detect the product on the profile that needs detected, the tolerance then the product is qualified in the within range, otherwise regards as unqualified.

When preparing to carry out automotive interior door plant skeleton back size detection, tear down door plant assembly back handle profiling block, the back of the automotive interior door plant skeleton that will await measuring is adjusted well and is installed on the door plant assembly back profiling block behind the bottom plate of examining, fix a position through door plant assembly back locating pin, and fix a position the door plant skeleton on door plant base plate back locating piece, compress tightly the product that awaits measuring through door plant skeleton back compression spring piece, the rethread back location compresses tightly the spring piece with automotive interior door plant skeleton back and compresses tightly the location, and realize the measurement of the back size of door plant skeleton through using the three-coordinate.

When the size of the back of the automotive interior door panel assembly is to be detected, the door panel substrate back positioning block is detached, the back of the automotive interior door panel assembly to be detected is aligned and installed on the door panel assembly back contour block behind the bottom plate of the detection tool, the door panel assembly is positioned through the door panel assembly back positioning pin, the door panel handle is attached to the door panel assembly back handle contour block, the back of the automotive interior door panel is pressed and positioned through the back positioning pressing elastic sheet, and the measurement of the size of the back of the assembly door panel is realized through three coordinates.

Compared with the prior art, the utility model discloses beneficial effect is:

(1) the utility model discloses a multi-functional utensil of examining design concept, the front of examining the bottom plate and installed respectively at the back to the automotive interior door plant and the detection instrument at the back, dismouting through different mechanisms and switching have realized different functions, realized moulding plastics door plant body and door plant assembly three-dimensional full-scale front and back two sides full-scale detection function and imitative door panel beating matching gap measurement function, automotive interior door plant full-scale measurement requirement has been satisfied, and realized that interior door plant assembly is unanimous with whole car door panel beating installation state under the simulation loading state, the effect is unanimous, manufacturing cost has been reduced, the area of examining a tool is reduced, also can avoid personnel frequently to remove examining the utensil.

(2) The utility model discloses a dismouting and switching of different mechanisms have realized that interior door plant assembly openly matches with the positive panel beating of automobile body and has detected function, interior door plant assembly openly size detection function, interior door plant skeleton back size detection function and interior door plant assembly back size detection function, if develop according to traditional development mode, above-mentioned automotive interior door plant detection project will develop five sets and examine utensil, according to the utility model discloses a technical scheme only need one set of utensil of examining of development can satisfy examine a different functional requirement, has reduced development cost.

(3) The utility model discloses inner wall and outer wall at door plant iron gate panel beating contour block respectively be equipped with the front lug integrative with door plant iron gate panel beating contour block, all install door plant iron gate simulation piece lock nut on every front lug, install location locking mechanism on examining the utensil bottom plate, be equipped with the back lug as an organic whole with door plant assembly back contour block on door plant assembly back contour block, install door plant assembly back locating pin on every back lug, quick installation and quick dismantlement have been realized, and it is good to being surveyed automotive interior door plant locking positioning effect after the installation, can detect fast, the measurement accuracy is improved, and also conveniently examine a utensil and store and use after the dismantlement, the utilization ratio of examining the utensil is improved.

(3) Location locking mechanism has realized the location and has opened and shut the integration, has realized the location of interior trim door plant and the complex function that opens and shuts with same mechanism, convenient operation helps realizing the quick installation and the quick dismantlement of examining the utensil, has improved the high efficiency of testing result precision and testing process.

Drawings

Figure 1 is a front view of the present invention,

figure 2 is a rear view of figure 1,

figure 3 is a left side view of figure 2,

FIG. 4 is a schematic view of the matching detection structure of the front surface of the interior door panel assembly and the front metal plate of the vehicle body,

FIG. 5 is a schematic view of the front dimension detecting structure of the interior door panel assembly of the present invention,

FIG. 6 is a schematic view of the front dimension detecting structure of the interior door frame of the present invention,

FIG. 7 is a schematic view of the back dimension detecting structure of the interior door frame of the present invention,

FIG. 8 is a schematic view of the overall back dimension measurement structure of the interior door panel of the present invention,

figure 9 is a perspective view of the positioning and locking mechanism of the present invention,

figure 10 is a schematic view of the internal structure of the positioning and locking mechanism of the present invention,

fig. 11 is a schematic perspective view of the Y and Z direction limiting mechanism of the present invention.

In the figure:

1. a bottom plate of the checking fixture, 2. a sheet metal contour block of a door plate iron gate,

a Y-direction positioning reference block, a Y-direction and Z-direction limiting mechanism,

41, Y and Z direction limiting mechanism bases,

42, YZ direction limiting blocks, 43, upper end positioning and pressing elastic piece limiting sleeves,

44. a spring plate mounting rod 45, wherein the upper end of the spring plate is positioned and pressed,

5. a main positioning block of the door panel substrate, 6, a reference hole of a coordinate system,

7. a measuring and positioning locking rod 8, a positioning locking mechanism,

the shape of the T-shaped hook cover is 81,

811. the positioning seat, 812, the U-shaped groove,

813. axial pin hole 814, left groove 815, axial through hole,

816. a right groove, 82, a reverse tensioning positioning hook,

821. positioning hook head 822, positioning shoulder 823, positioning groove,

83. a hook sleeve, 84. a spring,

85. a spring seat, 86, a limit nut,

87. rotating switch control rod, 88 spherical head.

9. A simulation block handle, 10. a door panel substrate Y-direction positioning column,

11. a back positioning and pressing spring plate 12, a door panel assembly back contour block,

13. a door panel assembly back handle contour block, 14, a door panel substrate back positioning block,

15. a gauge base 16, a positioning pin at the back of the door panel assembly,

17. a lock nut of a simulation block of a door sheet metal, 18-a simulation hole of the door sheet metal,

19. the front surface of the door panel assembly compresses the elastic sheet, 20, the back surface of the door panel assembly compresses the elastic sheet,

21. and a positioning and locking mechanism mounting seat.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1-5, a technical scheme that multi-functional compound utensil of examining of automotive interior door plant adopted is including controlling 2 and examining a base 15, examine about 2 and be connected with on examining a base 15 and examine a bottom plate 1, examine a front mounting of bottom plate 1 and have door plant iron door panel beating contour block 2, door plant iron door panel beating contour block 2 is the profile modeling simulation piece that the preparation of automobile body iron door panel beating was simulated completely, respectively is equipped with 3 positive lugs integrative with door plant iron door panel beating contour block 2 at the inner wall of door plant iron door panel beating contour block 2 and outer wall, all is equipped with the screw hole on every positive lug and installs door plant iron door panel beating simulation piece lock nut 17 wherein, installs the simulation piece handle 9 of 4 installation or dismantlements of door plant iron door panel beating contour block 2 of being convenient for at the outer wall of door plant iron door plant door panel beating contour block 2, makes on door plant iron door panel beating contour block 2 have be used for simulating the iron door panel beating hole with door plant buckle complex 10 A contour hole 18; a positioning locking mechanism mounting seat 21 is mounted in front of the checking fixture bottom plate 1, and a positioning locking mechanism 8 which can be installed on a door plate in a simulation manner is mounted on the positioning locking mechanism mounting seat 21; a door plate substrate main positioning block 5 and a Y-direction positioning reference block 3 are arranged on a check tool bottom plate 1 at the middle position of a door plate metal plate contour block 2, measuring and positioning locking rods 7 are arranged at two ends of the Y-direction positioning reference block 3, 3 door plate assembly front face pressing elastic sheets 19 are arranged on the door plate substrate main positioning block 5, a plurality of Y-direction and Z-direction limiting mechanisms 4 are further arranged in front of the check tool bottom plate 1, 4 coordinate system reference holes 6 are processed at 4 corners of the check tool bottom plate 1, and a tubular coordinate system reference circle for establishing a measuring coordinate system is arranged in the coordinate system reference holes; the checking fixture comprises a checking fixture base plate 1, a door panel assembly back contour block 12 with four rounded corners is mounted on the back of the checking fixture base plate 1, 10 door panel substrate Y-direction positioning columns 10 are mounted on the periphery of the door panel assembly back contour block 12, 7 back positioning compression elastic sheets 11 are mounted on the back of the checking fixture base plate 1, 3 back lugs integrated with the door panel assembly back contour block 12 are arranged at the bottom and the lower left corner of the door panel assembly back contour block 12, a door panel assembly back positioning pin 16 is mounted on each back lug, a door panel assembly back handle contour block 13 and a door panel substrate back positioning block 14 are mounted on the checking fixture base plate 1 at the middle position of the door panel assembly back contour block 12, and 3 door panel assembly back compression elastic sheets 20 are mounted on the door panel substrate back positioning.

As shown in fig. 9 and 10, the positioning and locking mechanism 8 includes a T-shaped hook sleeve 81, a positioning seat 811 is disposed at the right end of the T-shaped hook sleeve 81, 4 axial pin holes 813 for connecting with the checking fixture bottom plate 1 are processed on the positioning seat 811, a through axial through hole 815 is processed at the center of the T-shaped hook sleeve 81, a U-shaped groove 812 is processed at the axial middle position of the cylindrical sleeve at the left end of the T-shaped hook sleeve 81, the bottom end of the U-shaped groove 812 is perpendicular to the axis to form a radial slide, 2 axial limiting grooves parallel to the axis are formed at the two ends of the U-shaped groove 812, a rotary switch control lever 87 is installed in the U-shaped groove 812 of the T-shaped hook sleeve 81, a left groove 814 is processed at the left end of the T-shaped hook sleeve 81, a right groove 816 is processed at the right end of the T-shaped hook sleeve 81, a reverse tensioning positioning hook 82 is installed in the axial through hole 815 of the T-shaped hook sleeve 81, a positioning hook head 821 is, the right end of the reverse tensioning positioning hook 82 is provided with a positioning shoulder 822 for limiting the limiting nut 86, the middle of the reverse tensioning positioning hook 82 is provided with a positioning groove 823 matched with the rotary switch control rod 87, the left groove 814 of the T-shaped hook sleeve 81 is provided with the hook sleeve 83, the right groove 816 of the T-shaped hook sleeve 81 is provided with the spring 84, the right end of the spring 84 is provided with the spring seat 85 and the limiting nut 86, the rotary switch control rod 87 is simultaneously inserted into the positioning groove 823 of the reverse tensioning positioning hook 82, and the rotary switch control rod 87 is provided with the spherical head 88 convenient for manual operation; the spring 84 and the spring seat 85 are sleeved on the reverse tensioning positioning hook 82 and are jointly inserted into the positioning seat 811, the control is performed by the rotary switch control rod 87, the tensile force requirement of the reverse tensioning positioning hook is more than 40N, the assembly of a real vehicle is completely simulated, and the measurement is more accurate. When the device is used, the rotating control rod 87 is operated through the spherical head 88, the rotating control rod 87 leaves the positioning groove 823, the spring 84 pushes the reverse tensioning positioning hook 82 to move leftwards in the axial through hole 815 of the T-shaped hook sleeve 81, the positioning hook head 821 is pressed against a tested piece, the rotating control rod 87 slides downwards along the radial slide way of the U-shaped groove 812 to the lower axial groove for limiting, the positioning hook head 821 locks and positions the tested piece, and then measurement can be carried out; after the measurement is finished, the rotating control rod 87 is operated through the spherical head 88, the spring 84 is retracted, the reverse tensioning positioning hook head 821 is separated from the measured piece, and then the rotating control rod 87 slides upwards along the radial slide way of the U-shaped groove 812 to the upper axial groove 814 for limiting.

As shown in fig. 11, the Y and Z direction limiting mechanism 4 includes a Y and Z direction limiting mechanism base 41, a spring mounting rod 44 and a YZ direction limiting block 42 are mounted on the Y and Z direction limiting mechanism base 41, and an upper end positioning pressing spring 45 and an upper end positioning pressing spring limiting sleeve 43 are mounted on the spring mounting rod 44.

As shown in fig. 4, when preparing to perform matching detection of the automotive interior door panel assembly and the front metal plate of the automobile body, the door panel substrate main positioning block 5 and the positioning locking mechanisms 8 are removed, the front of the automotive interior door panel assembly to be detected is aligned and installed on the door panel iron door metal plate contour block 2 in front of the detection tool bottom plate 1, the buckle of the automotive interior door panel assembly is snapped into the iron door metal plate contour hole 18, the product is hung through the YZ-direction limiting blocks 42 on the Y-direction limiting mechanisms 4 and is pressed through the upper-end positioning pressing elastic sheet 45, the product is pressed through the two-end measuring and positioning locking rods 7 of the Y-direction positioning reference block 3, the gap surface difference requirement between the door panel assembly part and the door panel iron door metal plate contour block is detected through the special go-no-go gauge, the plug gauge and the break gauge, and the detection purpose of measuring the matching gap of the simulated door metal plate is.

As shown in fig. 5, when preparing to perform the front dimension detection of the automotive interior door panel assembly, the door panel substrate main positioning block 5 and the door panel iron door metal plate contour block 2 are removed, it can be seen that the positioning locking mechanism mounting seat 21 is mounted on the checking fixture bottom plate 1, the positioning locking mechanism 8 is mounted on the positioning locking mechanism mounting seat 21, the front of the automotive interior door panel to be detected is aligned and mounted on the positioning locking mechanism 8 in front of the checking fixture bottom plate 1, the position of the product to be detected is adjusted, so that the product to be detected can be smoothly mounted according to the positioning position on the checking fixture, the product to be detected is pressed by 10 positioning locking mechanisms 8, the product is hung and pressed by the upper positioning pressing elastic sheet 45 on the Y-direction and Z-direction limiting mechanisms 4, the product is pressed by the positioning locking rods 7 measured at two ends of the Y-direction positioning reference block 3, the product is detected on the profile to be detected by using, and if the tolerance is within the range, the product is qualified, otherwise, the product is not qualified.

As shown in fig. 6, when preparing to perform the front size detection of the automotive interior door panel framework, the Y-direction positioning reference block 3 and the door panel sheet metal contour block 2 are removed, it can be seen that a positioning locking mechanism mounting seat 21 is mounted on a bottom plate 1 of the detection tool, the positioning locking mechanism 8 is mounted on the positioning locking mechanism mounting seat 21, the front of the automotive interior door panel framework to be detected is aligned and mounted on a positioning locking mechanism 8 in front of the bottom plate 1 of the detection tool, the position of the product to be detected is adjusted, so that the product to be detected can be smoothly mounted according to the positioning position on the detection tool, the product to be detected is compressed by 10 positioning locking mechanisms 8, then the product is compressed by positioning compression elastic sheets 45 on the Y-direction and Z-direction limiting mechanisms 4, the product is compressed by 3 door panel assembly front compression elastic sheets 19 on a main positioning block 5 of the door panel, the product is detected on the molded surface to be, and if the tolerance is within the range, the product is qualified, otherwise, the product is not qualified.

As shown in fig. 7, when preparing to detect the back size of the automotive interior door panel framework, the door panel assembly back handle contour block 13 is removed, the back of the automotive interior door panel framework to be detected is aligned to be installed on the door panel assembly back contour block 12 behind the detection tool bottom plate 1, the positioning is carried out through the 3 door panel assembly back positioning pins 16, the door panel framework is positioned on the door panel substrate back positioning block 14, the product is pressed through the 3 door panel framework back pressing elastic pieces 20, the back of the automotive interior door panel is pressed and positioned through the 7 back positioning pressing elastic pieces 11, and the measurement of the back size of the door panel framework is realized through using three coordinates.

As shown in fig. 8, when the size of the back of the automotive interior door panel assembly is to be detected, the door panel substrate back positioning block 14 is removed, the back of the automotive interior door panel assembly to be detected is aligned and installed on the door panel assembly back contour block 12 behind the detection tool bottom plate 1, positioning is performed through the 3 door panel assembly back positioning pins 16, the door panel handle is attached to the door panel assembly back handle contour block 13, the back of the automotive interior door panel is pressed and positioned through the 7 back positioning pressing elastic pieces 11, and the size of the back of the assembly door panel is measured by using three coordinates.

Claims (4)

1. The multifunctional composite detection tool for the automobile interior door panel comprises a base (15), wherein a detection tool bottom plate (1) is connected to the base (15), and a positioning locking mechanism (8) is installed on the detection tool bottom plate (1), and is characterized in that a door panel iron door sheet metal contour block (2) is installed in front of the detection tool bottom plate (1), front lugs integrated with the door panel iron door sheet metal contour block (2) are respectively arranged on the inner wall and the outer wall of the door panel iron door sheet metal contour block (2), a screw hole is formed in each front lug, a door panel iron door sheet metal simulation block locking nut (17) is installed in each front lug, a door panel iron door sheet metal contour hole (18) used for simulating an iron door sheet metal hole matched with a door panel buckle is manufactured on the door panel iron door sheet metal contour block (2), a positioning locking mechanism mounting seat (21) is installed in front of the detection tool bottom plate (1), and a positioning locking mechanism (capable of being installed in a simulated mode with a door panel is installed on each positioning 8) A door panel substrate main positioning block (5) and a Y-direction positioning reference block (3) are installed on a check tool bottom plate (1) at the middle position of a door panel metal plate contour block (2), measuring and positioning locking rods (7) are installed at two ends of the Y-direction positioning reference block (3), a door panel assembly front face pressing elastic sheet (19) is installed on the door panel substrate main positioning block (5), a Y-direction and Z-direction limiting mechanism (4) is further installed in front of the check tool bottom plate (1), a coordinate system reference hole (6) is further installed on the check tool bottom plate (1), and a coordinate system reference circle used for establishing a measuring coordinate system is installed in the coordinate system reference hole; the door plate assembly back contour block (12) and the back positioning compression elastic sheet (11) are installed behind the checking fixture bottom plate (1), a door plate substrate Y-direction positioning column (10) is installed on the door plate assembly back contour block (12), a back lug integrated with the door plate assembly back contour block (12) is arranged on the door plate assembly back contour block (12), a door plate assembly back positioning pin (16) is installed on the back lug, a door plate assembly back handle contour block (13) and a door plate substrate back positioning block (14) are installed on the checking fixture bottom plate (1) in the middle position of the door plate assembly back contour block (12), and a door plate assembly back compression elastic sheet (20) is installed on the door plate substrate back positioning block (14).

2. The multifunctional composite detection tool for the automobile interior trim door panel is characterized in that 3 front lugs integrated with the door sheet metal contour block (2) are respectively arranged on the inner side and the outer side of the door sheet metal contour block (2), each front lug is provided with a screw hole and is provided with a door sheet metal simulation block locking nut (17), 4 simulation block handles (9) convenient for the installation or the disassembly of the door sheet metal contour block (2) are further arranged on the outer wall of the door sheet metal contour block (2), and 10 iron sheet metal contour holes (18) simulating the iron sheet metal holes are formed in the upper surface of the door sheet metal contour block (2).

3. The multifunctional composite detection tool for the automobile interior door panel is characterized in that 10 door panel substrate Y-direction positioning columns (10) are installed on one circle of the door panel assembly back-face contour block (12), 3 back-face lugs integrated with the door panel assembly back-face contour block (12) are arranged at the bottom and the lower left corner of the door panel assembly back-face contour block (12), a door panel assembly back-face positioning pin (16) is installed on each back-face lug, and 7 back-face positioning compression elastic sheets (11) are installed behind the detection tool bottom plate (1).

4. The multifunctional composite checking fixture for the automobile interior door panel according to claim 1, wherein the positioning and locking mechanism (8) comprises a T-shaped hook sleeve (81), a positioning seat (811) is arranged at the right end of the T-shaped hook sleeve (81), an axial pin hole (813) for connecting with the checking fixture bottom plate (1) is processed on the positioning seat (811), a through axial through hole (815) is processed at the center of the T-shaped hook sleeve (81), a U-shaped groove (812) is processed at the axial middle position of a cylindrical sleeve at the left end of the T-shaped hook sleeve (81), the bottom end of the U-shaped groove (812) is perpendicular to the axis to form a radial slideway, two ends of the U-shaped groove (812) form 2 axial limiting grooves parallel to the axis, a rotary switch control rod (87) is installed in the U-shaped groove (812) of the T-shaped hook sleeve (81), a left groove (814) is processed at the left end of the T-shaped hook sleeve (81), and a right groove (816) is processed at the right end of the T-shaped hook sleeve (81, a reverse tensioning positioning hook (82) is arranged in an axial through hole (815) of the T-shaped hook sleeve (81), the left end of the reverse tensioning positioning hook (82) is provided with a positioning hook head (821), the right end of the reverse tensioning positioning hook (82) is provided with a positioning shoulder (822) for limiting the limiting nut (86), a positioning groove (823) matched with the rotary switch control rod (87) is arranged in the middle of the reverse tensioning positioning hook (82), a hook sleeve (83) is arranged in a left groove (814) of the T-shaped hook sleeve (81), a spring (84) is arranged in a right groove (816) of the T-shaped hook sleeve (81), a spring seat (85) and a limit nut (86) are arranged on the reverse tensioning and positioning hook (82) at the right end of the spring (84), the rotary switch control rod (87) is simultaneously inserted into the positioning groove (823) of the reverse tensioning positioning hook (82), a spherical head (88) convenient for manual operation is arranged on the rotary switch control rod (87).

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