CN220489938U - Automobile floor carpet assembly precision detection device - Google Patents

Abstract

The utility model relates to an automobile floor carpet assembly precision detection device which consists of a detection table and a detection jig, wherein the detection jig consists of a plurality of spliced bodies, the tops of the bodies are provided with concave cavities, and the concave cavities at the tops of the bodies spliced together form a cavity which is matched with the outline of a floor carpet; quick-press clamps are arranged on the outer side parts of the detection table, corresponding to the front end and the rear end of the detection jig, and floor carpets placed in the cavity are clamped and positioned through the quick-press clamps; the part that lies in the detection tool left and right sides on the detection platform is provided with a plurality of profile inspection tools that correspond about, and the profile inspection tool can cooperate with the inside profile of the interior floor carpet of die cavity for detect whether the profile of floor carpet is qualified. The precision detection device for the automobile floor carpet assembly is simple in structure, convenient to detect and high in measurement precision, improves the detection efficiency of the automobile floor carpet, ensures the quality of products, and is flexible in operation and convenient to use, and the detection jig is of a unit structure.

Description

Automobile floor carpet assembly precision detection device

Technical Field

The utility model relates to an automobile accessory gauge, in particular to an automobile floor carpet assembly precision detection device.

Background

The automobile floor carpet is a decoration piece arranged on the bottom surface of an automobile riding space, and has a certain silencing and noise reducing effect. The structural shape of the automobile floor carpet is the same as that of the bottom surface of the automobile riding space, so that the automobile floor carpet can be better matched with the bottom surface of the automobile riding space after being installed, and is integrally formed for convenient production and processing, namely, the floor carpet installed in the automobile riding space is not split and spliced in different areas, so that the integrity of space use is maintained, and the outline shape of the integral automobile floor carpet is consistent with that of the bottom surface of the automobile riding space, so that the automobile floor carpet can be better attached to the bottom surface of the automobile riding space. Because this kind of integral type automotive floor carpet volume is all bigger to the position that corresponds driver and passenger to trample on the floor carpet and seat installation's position are the plane, consequently the condition that deformation or roughness is unqualified is unavoidable to appear in the course of working, need carry out the precision detection to it after automotive floor carpet processes, and conventional detection mode is the manual hand and the automotive floor carpet profile want complex utensil to compare with the corresponding regional profile on the floor carpet, observes its laminating degree, through square and the position of measuring the upper plane of floor carpet, confirms whether the floor carpet plane flushes. The floor carpet detection mode is relatively long in time consumption, the detected part is required to be detected by a detector in a handheld manner, the labor is consumed, the measurement efficiency is affected, and the condition of missing detection or measurement deviation of a detected area is inevitably caused by long-time uninterrupted work, so that the measurement accuracy of the automobile floor carpet is affected.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the precision detection device for the automobile floor carpet assembly, which can facilitate the automobile floor carpet to realize quick precision detection.

In order to solve the technical problems, the utility model is realized by the following technical scheme: the utility model provides an automotive floor carpet assembly precision detection device, is by detecting the platform and the fixed detection tool that sets up on detecting the platform and constitute, the detection tool is by a plurality of molded bodies concatenation constitution, the molded body top is provided with the cavity, the cavity of the top of a plurality of molded bodies that splice together constitutes the die cavity that coincides with floor carpet profile, the floor carpet that waits to detect is placed in the die cavity; quick-press clamps are arranged on the outer side parts of the detection table, corresponding to the front end and the rear end of the detection jig, and floor carpets placed in the cavity are quickly clamped and positioned through the quick-press clamps; the part that lies in the detection tool left and right sides on the detection bench is provided with a plurality of profile inspection tools that correspond about, the profile inspection tool can cooperate with the inside profile of floor carpet in the die cavity for detect whether floor carpet's profile is qualified.

Preferably, the profile detection tool comprises a fixed seat, the fixed seat is fixedly connected to a detection table through a bolt, the top surface of the fixed seat is fixedly connected with a base, a turning plate capable of vertically turning by 90 degrees is movably connected to the base, the turning plate is connected to the base through a fixing bolt in a threaded mode, a cantilever fixedly connected with the cantilever is arranged at the position, close to the front end, of the top of the turning plate, the front end of the cantilever is fixedly connected with a profiling card, and the structural shape of the profiling card is consistent with the outline shape of the profile of the area in the floor carpet.

Preferably, a seat surface detection tool for detecting the flatness of the seat installation part at the top of the floor carpet is arranged at the central position of the detection tool; the pedal face detection tool for detecting the flatness of the pedal position of a driver at the top of the floor carpet is arranged at the positions, located at the left side and the right side of the detection tool, of the detection table, and the pedal face detection tool is arranged between the adjacent molded face detection tools.

Preferably, the seat gauge consists of a connecting block, a connecting seat and a seat clamping plate; the connecting block is fixed in the cavity of the detection jig through a bolt; the connecting seat is fixedly connected to the connecting block through a fastening bolt, the connecting seat is fixedly connected to the central part of the outer side of the seat clamping plate through a bolt, and the parts, on the seat clamping plate, on the left side and the right side of the connecting seat are bilaterally symmetrical.

Preferably, the connecting block is provided with a connecting hole which is communicated up and down, and the connecting hole is a countersunk hole; the parts of the top of the connecting block, which are positioned at the left side and the right side of the connecting hole, are provided with mutually symmetrical guide posts, and the positions, which are positioned at the outer sides of the guide posts and are close to the end parts of the connecting block, are provided with transition holes which are communicated up and down; the connecting seat is provided with guide sleeves which are in plug-in fit with the connecting seat and are provided with fixing holes which are communicated up and down at the positions corresponding to the transition holes, threaded sleeves which are corresponding to the connecting holes, the transition holes in number and positions are embedded in the cavity of the detecting jig up and down, and the connecting blocks penetrate through the connecting holes through bolts and are fixedly connected in the corresponding threaded sleeves; the connecting seat sequentially passes through the fixing holes and the transition holes which correspond to each other from top to bottom through the fastening bolts to be connected in the corresponding threaded sleeves, and the connecting seat is fixed on the connecting block.

Preferably, the engagement block is provided with a plunger hole, and the lower end of the guide post is inserted and fixed in the plunger hole; the connecting seat is provided with a connecting hole which is communicated up and down, and the guide sleeve is sleeved in the connecting hole; the fastening bolt consists of a screw rod and a knob fixed at the top of the screw rod, the knob and the screw rod form a T-shaped structure, and external threads matched with threads of the screw sleeve are arranged outside the part, close to the lower end, of the screw rod.

Preferably, the tread surface detection tool comprises a base, wherein the base can be fixedly arranged on the detection table through bolts, one side of the base is connected with a rotating arm capable of vertically overturning in a shaft way, a horizontal limiting block is fixed on the base at a position below the rotating arm, and the bottom of the overturned rotating arm can be kept in a horizontal state by the horizontal limiting block; the pedal surface clamping plate is fixedly arranged at the position, close to the front end, on the rotating arm, and the bottom surface of the pedal surface clamping plate is a plane.

Preferably, the molded body is fixedly connected to the detection table through bolts.

Preferably, the front end and the rear end of the floor carpet are respectively provided with an assembly hole with the inside and the outside communicated, positioning holes corresponding to the positions and the number of the assembly holes on the floor carpet are arranged in the cavity of the detection jig, and the floor carpet placed in the cavity passes through the assembly holes through the positioning pins to be inserted into the positioning holes, so that the floor carpet is positioned in the cavity.

Compared with the prior art, the utility model has the following advantages: the precision detection device for the automobile floor carpet assembly is simple in structure, the cavity in the center is used as a reference surface to conveniently and rapidly detect the precision of the floor carpet, the floor carpet placed in the cavity is firstly detected in contour precision through the degree of fit with the cavity after being rapidly positioned, then the precision detection of the surface area molded surface of the floor carpet is realized through the molded surface detection tool and the chair surface detection tool, the detection is convenient, the measurement precision is high, the detection efficiency of the automobile floor carpet is improved, the product quality is guaranteed, the detection tools are of unit structures, local or whole mechanisms can be replaced according to the specific shape of the automobile floor carpet, and the operation is flexible and the use is convenient.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is an isometric view of an automotive floor carpet assembly accuracy detection device of the present utility model;

FIG. 2 is a schematic diagram of a central cross section of an automotive floor carpet assembly accuracy detection device of the present utility model;

FIG. 3 is an axial schematic view of a profile gauge in an automotive floor carpet assembly accuracy testing device of the present utility model;

FIG. 4 is a schematic top view of a profile inspection tool in an automotive floor carpet assembly accuracy inspection device of the present utility model;

FIG. 5 is an axial schematic view of a gap gauge in an automotive floor carpet assembly accuracy testing device of the present utility model;

FIG. 6 is a side cross-sectional view of a gap gauge in an automotive floor carpet assembly accuracy testing device of the present utility model;

FIG. 7 is a schematic axial view of a tread surface gauge in an apparatus for detecting accuracy of an automotive floor carpet assembly according to the present utility model.

In the figure: 1. a detection table; 2. detecting a jig; 21. a cavity; 22. a profile; 3. a quick clamp; 4. floor carpets; 5. a profile gauge; 51. a fixing seat; 52. a base; 53. turning plate; 54. a fixing bolt; 55. a cantilever; 56. profiling cards; 6. a chair surface checking tool; 61. a joint block; 611. a connection hole; 612. plugging holes; 613. a guide post; 614. a transition hole; 62. a connecting seat; 621. a fixing hole; 622. a connection hole; 623. guide sleeve; 63. a fastening bolt; 631. a screw; 632. a screw sleeve; 64. a seat clamping plate; 7. a positioning pin; 8. tread detecting tool; 81. a base; 82. a horizontal limiting block; 83. a rotating arm; 84. and (5) treading the surface clamping plate.

Description of the embodiments

The utility model is described in detail below with reference to the attached drawings and detailed description:

the precision detection device for the automobile floor carpet assembly shown in fig. 1 consists of a detection table 1 and a detection jig 2 fixedly arranged on the detection table 1; the top surface of the detection table 1 is horizontal and is in a rectangular structure, a plurality of connecting holes which are communicated up and down are uniformly distributed on the detection table 1, a plurality of scale lines are uniformly distributed along the length direction and the width direction at equal intervals in a longitudinal and transverse mode, and the detection jig 2 is convenient to accurately mount on the detection table 1; referring to fig. 2 of the specification, in order to improve the flexibility of use of the detection jig 2, the detection jig 2 is formed by splicing a plurality of molded bodies 22, the molded bodies 22 are fixedly connected in a connecting hole on the detection table 1 through bolts, so that the installation and the disassembly are convenient, and if the single molded body 22 is damaged or the local structure is changed as required, the single molded body 22 can be directly replaced, so that the flexibility of use of the detection jig 2 is improved, and meanwhile, the use and replacement cost of the detection jig 2 is reduced; the top of the molded body 22 is provided with a concave cavity, the concave cavities at the top of the molded bodies 22 spliced together form a cavity 21 which is matched with the outline of the floor carpet 4, the floor carpet 4 to be detected can be accurately placed in the cavity 21, and under normal conditions, the floor carpet 4 can be mutually matched with the cavity 21; in order to facilitate the fixed positioning of the floor carpet 4 in the cavity 21, the outer side parts of the detection table 1 corresponding to the front end and the rear end of the detection jig 2 are respectively provided with a quick clamp 3, each end is provided with a plurality of equidistant parallel quick clamps 3, and the front end and the rear end of the floor carpet 4 placed in the cavity 21 can be rapidly clamped and positioned through the quick clamps 3; in order to ensure the reliability of positioning of the floor carpet 4 in the cavity 21 on the detection jig 2, positioning pins 7 can be additionally arranged to position the floor carpet 4 in the cavity 21, and generally, the front end and the rear end of the floor carpet 4 are provided with assembly holes communicated with each other inside and outside, the assembly holes can facilitate the assembly and fixation of the floor carpet 4 on a bottom plate of a vehicle riding space, and the reliability of positioning of the floor carpet 4 in the cavity 21 of the detection jig 2 is facilitated by combining detection requirements, positioning holes corresponding to the positions and the number of the assembly holes on the floor carpet 4 are arranged in the cavity 21 of the detection jig 2, and the floor carpet 4 placed in the cavity 21 is inserted into the positioning holes through the positioning pins 7 in a penetrating way, so that the positioning reliability of the floor carpet 4 in the cavity 21 is realized; in order to realize the accurate detection to the regional profile in the floor carpet 4 in die cavity 21, the position that is located the left and right sides of detecting tool 2 on the detecting bench 1 is provided with a plurality of corresponding profile and examines utensil 5 about, and the quantity and the position of utensil 5 are examined to the profile and are set for according to the region that need detect on the floor carpet 4, the utensil 5 can be mutually supported with the inside profile of floor carpet 4 in the die cavity 21, and the degree of cooperation according to the regional profile in utensil 5 and the floor carpet 4 is used for detecting whether the profile of floor carpet 4 is qualified.

Referring to fig. 3 and 4 of the specification, the profile inspection tool 5 includes a fixing seat 51, the fixing seat 51 is in an "i" structure, the structure is stable and reliable, the fixing seat 51 is fixedly connected to the inspection table 1 through bolts, the fixing seat 51 is located at the outer side of the inspection tool 2, bolts connecting the fixing seat 51 and the inspection table 1 are threaded on the inspection table 1 and are connected together through nuts, a base 52 is fixedly connected to the top surface of the fixing seat 51, the base 52 is fixedly connected with the base 52 through bolts, a turning plate 53 capable of turning vertically by 90 ° is movably connected to the base 52, a part, close to the rear end, of the turning plate 52 is connected with the base 52 through a pin shaft, a limit groove communicated front and back is formed in the top of the base 52, the turning plate 52 is axially connected in the limit groove, in order to realize the fixed positioning of the turning plate 53 on the base 52, the turning plate 53 can be connected to the base 52 through a fixing bolt 54, the fixing bolt 54 is provided with a bolt hole, the turning plate 53 is provided with a vertically communicated bolt hole, a corresponding position in the limit groove is also connected with the threaded hole through a bolt hole, and the limit groove is horizontally connected with the threaded hole through the bolt hole; the part that is close to the front end at the top of turn plate 53 is provided with cantilever 55 rather than fixed connection, cantilever 55 with turn plate 53 between bolt fixed connection, make things convenient for the dismouting, the front end fixedly connected with profile modeling card 56 of cantilever 55, profile modeling card 56 passes through bolt fixed connection at the front end of cantilever 55, and according to the detection needs, cantilever 55 can be long or short, the cantilever of corresponding length is installed according to the position of waiting to detect regional profile on floor carpet 4, and the profile modeling card 56 of being convenient for can overturn the back and wait to detect regional profile cooperation on floor carpet 4, the structural shape of profile modeling card 56 accords with the contour shape of regional profile in floor carpet 4, detects the contour accuracy of floor carpet 4 through the laminating degree of profile modeling card 56 and regional profile in floor carpet 4.

Referring to fig. 1 of the specification, since the parts of the floor carpet 4 used for the driver to tread and the parts for the seat to mount are both planes, and the parts for the seat to mount are located at the middle position of the floor carpet 4, in order to detect the flatness of these planes on the floor carpet 4, a seat surface detection tool 6 for detecting the flatness of the seat mounting part at the top of the floor carpet 4 is arranged at the center position of the detection tool 2, and the seat surface detection tool 6 is movably connected in the cavity 21 of the detection tool 2, so that the floor carpet 4 is convenient to mount and dismount in the cavity 21; the pedal surface detection tool 8 for detecting the flatness of the pedal position of a driver at the top of the floor carpet 4 is arranged at the left side and the right side of the detection tool 2 on the detection table 1, and the pedal surface detection tool 8 is arranged between the adjacent molded surface detection tools 5. Referring to fig. 4 of the specification, the seat gauge 6 is composed of a connecting block 61, a connecting seat 62 and a seat clamping plate 64; the connecting block 61 is fixed in the cavity 21 of the detection jig 2 through bolts, and is convenient to assemble and disassemble; the connecting seat 62 is fixedly connected to the connecting block 61 through the fastening bolt 63, the connecting seat 62 is convenient to be assembled and disassembled on the connecting block 61 in cooperation with the seat clamping plate 64, the connecting seat 62 is fixedly connected to the central part of the outer side of the seat clamping plate 64 through the bolt, the parts of the seat clamping plate 64, which are positioned on the left side and the right side of the connecting seat 62, are bilaterally symmetrical, the detection effect of the seat clamping plate 64 is guaranteed, the bottom surface of the seat clamping plate 64 is horizontal, and the flatness is convenient to detect. Referring to fig. 6 of the specification, in order to facilitate the installation of the adaptor block 61 on the detection jig 2, the adaptor block 61 is provided with connecting holes 611 which are vertically communicated, the connecting holes 611 are countersunk holes, so that the connecting bolts are not protruded on the top surface of the adaptor block 61 and are not interfered with the installation of the connecting seat 62, and in order to ensure the installation stability of the adaptor block 61, the number of the connecting holes 611 is at least two, and the connecting holes 611 are arranged in parallel along the left and right length directions of the adaptor block 61; the parts of the top of the connecting block 61, which are positioned at the left side and the right side of the connecting hole 611, are provided with mutually symmetrical guide posts 613, the parts of the guide posts 613, which are close to the upper end, are cone-shaped and are convenient to guide, in order to facilitate the installation of the guide posts 613 on the connecting block 61, the connecting block 61 is provided with a plunger hole 612, and the lower end of the guide posts 613 is inserted and fixed in the plunger hole 612; a transition hole 614 which is communicated up and down is arranged on the connecting block 61 and is positioned at the outer side of the guide pillar 613 and close to the end part of the connecting block 61, a fixing hole 621 which is communicated up and down is arranged on the connecting seat 62 and corresponds to the position of the transition hole 614, and the fixing hole 621 of the connecting seat 62 and the connecting block 61 which are overlapped are communicated up and down; in order to facilitate the accurate matching of the connecting seat 62 and the connecting block 61, a guide sleeve 623 in plug-in matching with the connecting seat 62 is arranged at a position corresponding to the guide post 613, in order to facilitate the installation and the disassembly of the guide sleeve 623, the connecting seat 62 is provided with a connecting hole 622 which is communicated up and down, and the guide sleeve 623 is sleeved in the connecting hole 622; in order to facilitate the fixed connection of the connecting block 61 on the detection jig 2 and the fastening of the connecting seat 62 and the connecting block 61 on the detection jig 2 by the fastening bolt 63, the threaded sleeves 632 corresponding to the number and the positions of the connecting holes 611 and the transition holes 614 are pre-embedded in the cavity 21 of the detection jig 2, and the connecting block 61 is fixedly connected in the corresponding threaded sleeves 632 by penetrating the connecting holes 611 through the bolts; the connecting seat 62 is connected in the corresponding screw sleeve 632 by sequentially penetrating through the upper and lower corresponding fixing holes 621 and the transition holes 614 from top to bottom through the fastening bolts 63, so that the connecting seat 62 is fixed on the connecting block 61; the fastening bolt 63 is composed of a screw 631 and a knob fixed at the top of the screw 631, the knob and the screw 631 form a T-shaped structure, external threads matched with the threaded sleeve 632 are arranged outside the part of the screw 631 close to the lower end, and the knob is attached to the top of the connecting seat 62 after the fastening bolt 63 is fastened on the connecting seat 62 and the connecting block 61.

Referring to fig. 7 of the specification, the tread surface detecting tool 8 includes a base 81, the base 81 can be fixedly mounted on the detecting table 1 through bolts, the base 81 is fixed on the detecting table 1 and located at a position outside the detecting tool 2, one side of the base 81 is pivotally connected with a rotating arm 83 capable of vertically overturning, in order to ensure that the bottom surface of the rotating arm 83 is in a horizontal state after the rotating arm 83 is overturned, a horizontal limiting block 82 is fixed at a position below the rotating arm 83 on the base 81, the top surface of the horizontal limiting block 82 is horizontal, the position of the rotating arm 83 after overturning, namely the position of the rotating arm 83 after being overturned, is limited, and the bottom of the rotating arm 83 after overturning is kept in a horizontal state; the pedal surface clamping plate 84 is fixedly arranged on the part, close to the front end, of the rotating arm 83, the bottom surface of the pedal surface clamping plate 84 is a plane, and the bottom surface of the pedal surface clamping plate 84 after being laid down is in a horizontal state under the action of the rotating arm 83.

The specific operation mode is as follows: before detection, cleaning the detection device, carrying out visual inspection on the detection device, checking and determining whether the detection device is in a usable state, opening the quick clamp 3 and the profile detection tool 5, detaching the one-side spacing 6 from the detection tool 2, and then pulling out the positioning pin 7 to enable the detection device to be in a non-working state; during detection, the floor carpet 4 is placed in a cavity of the detection jig 2, the front, back, left and right positions of the floor carpet 4 are properly adjusted, the outline surface of the floor carpet 4 is respectively attached to the whole positioning surface of the detection device, namely the structural surface in the cavity, then the positioning pins 7 penetrate through the assembly holes on the floor carpet 4 and are inserted into the corresponding positioning holes, so that the floor carpet 4 and the detection jig 2 are reliably positioned, the quick-press clamp 3 is closed, and the front end and the rear end of the floor carpet 4 are respectively fixed on the detection jig 2 by the quick-press clamp 3, so that the detection device is in a working state; then turning over the tread surface checking fixture 8 to enable the bottom surface of the tread surface clamping plate 84 to be in a horizontal state after turning over, mounting the swivel chair surface checking fixture 6 on the connecting block 61 to enable the chair surface clamping plate 64 to be close to the floor carpet 4, then detecting gaps between the chair surface clamping plate 64 and the tread surface clamping plate 84 and the corresponding upper region molded surface of the floor carpet 4 by using a stop-pass gauge with the specification of phi 2.0-phi 8.0, and if the gaps are within 5MM, the molded surface of the floor carpet 4 is qualified, otherwise, the molded surface of the floor carpet 4 is unqualified; then the profile inspection tool 5 is turned over to be matched with the floor carpet 4, the profiling card 56 on the profile inspection tool 5 is matched with the detected regional profile on the floor carpet 4, and if the profiling card 56 is completely attached to the regional profile, the product is qualified, otherwise, the product is unqualified; finally, whether the molded surface on the floor carpet 4 is completely attached to the cavity 21 of the detection jig 2 is visually detected, the product is unloaded after the detection is finished, and all parts of the detection device are reset.

The precision detection device for the automobile floor carpet assembly is simple in structure, the cavity in the center is used as a reference surface to conveniently and rapidly detect the precision of the floor carpet, the floor carpet placed in the cavity is firstly detected in contour precision through the degree of fit with the cavity after being rapidly positioned, then the precision detection of the surface area molded surface of the floor carpet is realized through the molded surface detection tool and the chair surface detection tool, the detection is convenient, the measurement precision is high, the detection efficiency of the automobile floor carpet is improved, the product quality is guaranteed, the detection tools are of unit structures, local or whole mechanisms can be replaced according to the specific shape of the automobile floor carpet, and the operation is flexible and the use is convenient.

It is emphasized that: the above embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited in any way, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims (9)

1. The utility model provides an automotive floor carpet assembly precision detection device comprises detection platform (1) and fixed detection tool (2) that set up on detecting platform (1), its characterized in that: the detection jig (2) is formed by splicing a plurality of molded bodies (22), the top of each molded body (22) is provided with a concave cavity, the concave cavities at the tops of the molded bodies (22) spliced together form a cavity (21) which is matched with the outline of the floor carpet (4), and the floor carpet (4) to be detected is placed in the cavity (21); the outer side parts of the detection table (1) corresponding to the front end and the rear end of the detection jig (2) are respectively provided with a quick clamp (3), and a floor carpet (4) placed in the cavity (21) is quickly clamped and positioned through the quick clamp (3); the detecting bench (1) is provided with a plurality of corresponding molded surface detecting tools (5) at the positions on the left side and the right side of the detecting tool (2), and the molded surface detecting tools (5) can be matched with the inner molded surface of the floor carpet (4) in the cavity (21) for detecting whether the molded surface of the floor carpet (4) is qualified or not.

2. The apparatus for detecting the accuracy of an automotive floor carpet assembly according to claim 1, wherein: the profile inspection device is characterized in that the profile inspection device (5) comprises a fixing seat (51), the fixing seat (51) is fixedly connected to the inspection table (1) through bolts, a base (52) is fixedly connected to the top surface of the fixing seat, a turning plate (53) capable of turning vertically by 90 degrees is movably connected to the base (52), the turning plate (53) is connected to the base (52) through a fixing bolt (54) in a threaded mode, a cantilever (55) fixedly connected to the cantilever (55) is arranged at the position, close to the front end, of the top of the cantilever (55), a profiling card (56) is fixedly connected to the front end of the cantilever, and the structural shape of the profiling card (56) is consistent with the outline shape of the profile of the inner area of the floor carpet (4).

3. The apparatus for detecting the accuracy of an automotive floor carpet assembly according to claim 1, wherein: the center position of the detection jig (2) is provided with a seat surface detection tool (6) for detecting the flatness of the installation part of the top seat of the floor carpet (4); the pedal face detection tool (8) for detecting the flatness of the pedal position of a driver at the top of the floor carpet (4) is arranged at the position, located at the left side and the right side of the detection tool (2), of the detection table (1), and the pedal face detection tool (8) is arranged between the adjacent molded surface detection tools (5).

4. A vehicle floor carpet assembly accuracy detection device according to claim 3, wherein: the seat gauge (6) consists of a connecting block (61), a connecting seat (62) and a seat clamping plate (64); the connecting block (61) is fixed in the cavity (21) of the detection jig (2) through bolts; the connecting seat (62) is fixedly connected to the connecting block (61) through a fastening bolt (63), the connecting seat (62) is fixedly connected to the central part of the outer side of the seat clamping plate (64) through a bolt, and the positions, which are positioned on the left side and the right side of the connecting seat (62), of the seat clamping plate (64) are bilaterally symmetrical.

5. The apparatus for detecting the accuracy of an automotive floor carpet assembly according to claim 4, wherein: the connecting block (61) is provided with a connecting hole (611) which is communicated up and down, and the connecting hole (611) is a countersunk hole; the parts of the top of the connecting block (61) which are positioned at the left side and the right side of the connecting hole (611) are provided with mutually symmetrical guide posts (613), and the positions which are positioned at the outer sides of the guide posts (613) and are close to the end parts of the connecting block (61) are provided with transition holes (614) which are communicated up and down; the connecting seat (62) is provided with guide sleeves (623) which are in plug-in fit with the guide posts (613), the part corresponding to the transition holes (614) is provided with fixing holes (621) which are communicated up and down, screw sleeves (632) which correspond to the number and the positions of the connecting holes (611) and the transition holes (614) up and down are embedded in the cavity (21) of the detecting jig (2), and the connecting blocks (61) penetrate through the connecting holes (611) through bolts to be fixedly connected in the corresponding screw sleeves (632); the connecting seat (62) sequentially passes through the fixing holes (621) and the transition holes (614) which correspond to each other from top to bottom through the fastening bolts (63) to be connected in the corresponding screw sleeves (632), and the connecting seat (62) is fixed on the connecting block (61).

6. The apparatus for detecting precision of an automotive floor carpet assembly of claim 5, wherein: a plunger hole (612) is formed in the connecting block (61), and the lower end of the guide pillar (613) is fixedly inserted into the plunger hole (612); a connecting hole (622) which is communicated up and down is formed in the connecting seat (62), and the guide sleeve (623) is sleeved in the connecting hole (622); the fastening bolt (63) is composed of a screw (631) and a knob fixed at the top of the screw (631), the knob and the screw (631) form a T-shaped structure, and external threads matched with threads of the screw sleeve (632) are arranged outside the part, close to the lower end, of the screw (631).

7. A vehicle floor carpet assembly accuracy detection device according to claim 3, wherein: the tread surface detection tool (8) comprises a base (81), wherein the base (81) can be fixedly arranged on the detection table (1) through bolts, one side of the base is connected with a rotating arm (83) capable of vertically overturning in a shaft mode, a horizontal limiting block (82) is fixed at a position, located below the rotating arm (83), on the base (81), and the bottom of the overturned rotating arm (83) can be kept in a horizontal state through the horizontal limiting block (82); the pedal surface clamping plate (84) is fixedly arranged at a position, close to the front end, of the rotating arm (83), and the bottom surface of the pedal surface clamping plate (84) is a plane.

8. The apparatus for detecting the accuracy of an automotive floor carpet assembly according to claim 1, wherein: the molded body (22) is fixedly connected to the detection table (1) through bolts.

9. The apparatus for detecting the accuracy of an automotive floor carpet assembly according to claim 1, wherein: the floor carpet (4) is characterized in that the front end and the rear end of the floor carpet (4) are respectively provided with an assembly hole communicated with the inside and the outside, positioning holes corresponding to the positions and the numbers of the assembly holes on the floor carpet (4) are formed in the cavity (21), and the floor carpet (4) placed in the cavity (21) is inserted into the positioning holes through the positioning pins (7) penetrating through the assembly holes, so that the floor carpet (4) is positioned in the cavity (21).