Automobile B-pillar front and rear doorsill combined testing fixture

Abstract

The utility model belongs to the technical field of automobile part detection, and particularly relates to an automobile B-pillar front and rear doorsill combined detection tool, which comprises a detection table, a clamping mechanism and a positioning mechanism, the detection bench is provided with a front threshold detection module and a rear threshold detection module which are arranged left and right. A B-pillar upper plate detection module and a B-pillar lower plate detection module are arranged on the detection table up and down; the B column lower plate detection module is arranged between the front threshold detection module and the rear threshold detection module; the clamping mechanism comprises a plurality of groups of clamping driving parts, a first clamping part and a second clamping part; the multiple groups of clamping driving pieces are arranged on the detection table; the multiple groups of first clamping parts and second clamping parts are arranged on the detection table at equal intervals; the positioning mechanism comprises a plurality of groups of positioning parts arranged on the detection table, and the plurality of groups of positioning parts are respectively arranged on the front threshold detection module, the rear threshold detection module, the B-pillar lower plate detection module and the B-pillar upper plate detection module at equal intervals.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile parts detection, in particular to a combined inspection tool for front and rear door sills of a B-pillar of an automobile. Background Art

[0002] In the automobile manufacturing industry, the accuracy and safety of the car body are crucial. As a key structure connecting the front and rear doors, the car B-pillar not only bears the lateral strength of the car body, but is also directly related to the safety of passengers in a collision accident. Therefore, accurate inspection of the B-pillar and front and rear door sills is an indispensable part of the production process.

[0003] At present, manual inspection is mostly used for the inspection of automobile B-pillars and front and rear door sills. The B-pillars, front door sills and rear door sills are respectively fixed on the inspection table by some simple clamp devices, and then the B-pillars, front door sills and rear door sills are measured in turn by manual handheld inspection tools to determine whether the B-pillars and front and rear door sills are qualified. However, in the above-mentioned manual inspection, the B-pillars, front door sills and rear door sills are often regarded as independent components and inspected separately, and the connection status of the three after combination cannot be detected. There is a certain data deviation, which affects the accuracy of the inspection results. Utility Model Content

[0004] The utility model aims to provide a combined inspection tool for front and rear door sills of a car B-pillar, aiming to solve the technical problem that the existing manual inspection cannot detect the connection state of the combined B-pillar, the front door sill and the rear door sill, thus affecting the accuracy of the inspection result.

[0005] To achieve the above-mentioned purpose, the embodiment of the utility model provides a combined inspection tool for front and rear door sills of a B-pillar of an automobile, comprising a detection platform, a clamping mechanism and a positioning mechanism; the detection platform is provided with a front door sill detection module and a rear door sill detection module arranged on the left and right; the detection platform is provided with a B-pillar upper plate detection module and a B-pillar lower plate detection module arranged up and down; the B-pillar lower plate detection module is arranged between the front door sill detection module and the rear door sill detection module; the clamping mechanism comprises a plurality of groups of clamping driving members, a first clamping member and a second clamping member; a plurality of groups of the clamping driving members are arranged on the detection platform, and the clamping driving members are respectively connected to the first clamping member and the second clamping member; a plurality of groups The first clamping component and the second clamping component are arranged on the detection platform at equal intervals, and multiple groups of the first clamping components and the second clamping components are located in the front door sill detection module, the rear door sill detection module, the B-pillar lower plate detection module and the B-pillar upper plate detection module; the clamping drive member is used to drive the first clamping component and the second clamping component to clamp the B-pillar, the front door sill and the rear door; the positioning mechanism includes multiple groups of positioning components arranged on the detection platform, and the multiple groups of positioning components are respectively arranged on the front door sill detection module, the rear door sill detection module, the B-pillar lower plate detection module and the B-pillar upper plate detection module at equal intervals, and are used to fix the positions of the B-pillar, the front door sill and the rear door.

[0006] Optionally, the inspection bench includes a first workbench, a second workbench and a third workbench; the second workbench is arranged on one side of the first workbench, and a locking component is provided between the second workbench and the first workbench; the third workbench is vertically arranged on the first workbench and is located between the first workbench and the second workbench; the front threshold detection module is located on the first workbench, the rear threshold detection module is located on the second workbench, and the B-pillar upper plate detection module and the B-pillar lower plate detection module are distributed up and down on the third workbench.

[0007] Optionally, the locking mechanism includes a first fixing plate and a second fixing plate; the first fixing plate is arranged on the first workbench, and a clamping block extending outward is provided on the first fixing plate; the second fixing plate is arranged on the second workbench, and a fixing seat is provided on the second fixing plate, and a rotatably connected handle is provided on the fixing seat; a buckle is rotatably connected to the handle, and the buckle has a closing portion; when the first workbench and the second workbench are combined, the closing portion is buckled in the clamping block.

[0008] Optionally, the front threshold detection module includes a first supporting seat; two groups of first limit blocks distributed on the left and right are provided on the first supporting seat; first movable detection blocks and second movable detection blocks for detecting the connecting ends on both sides of the front threshold are respectively provided at both ends of the first supporting seat; the clamping drive component is located on one side of the first supporting seat, and the first clamping component and the second clamping component are distributed on the left and right in the first supporting seat; the positioning component is located on one side of the first supporting seat.

[0009] Optionally, the rear threshold detection module includes a second bearing seat; two groups of second limit blocks distributed on the left and right are provided on the second bearing seat; a third movable detection block for detecting the rear threshold connection end is provided at one end of the second bearing seat, and a handheld detection component rotatably connected to the detection platform is provided at the other end; the clamping drive member is located on one side of the second bearing seat, and the second clamping component and the first clamping component are distributed on the left and right of the second bearing seat.

[0010] Optionally, the handheld detection assembly includes a rotating seat and a handheld detection block; the rotating seat is arranged on the detection platform; the handheld detection block is rotatably connected to the rotating seat, and one end of the handheld detection block is provided with a detection portion extending outward.

[0011] Optionally, the B-pillar lower plate detection module includes a third bearing seat; a pressure block is provided on the third bearing seat; sliding rods are provided between the two ends of the pressure block and the third bearing seat respectively, and the pressure block is fixedly connected to the third bearing seat; the third bearing seat is provided with a fourth movable detection block, a fifth movable detection block and a sixth movable detection block for the B-pillar lower plate connecting end; the clamping drive member is arranged on the outside of the third bearing seat, and multiple groups of the first clamping components are evenly distributed in the third bearing seat; multiple groups of the positioning components are evenly distributed on the outside of the third bearing seat.

[0012] Optionally, the B-pillar upper plate detection module includes a fourth bearing seat; the fourth bearing seat is provided with two groups of a seventh movable detection block and an eighth movable detection block for detecting the B-pillar upper plate connection end; the clamping drive member is arranged on the outside of the fourth bearing seat, and the second clamping member is located inside the fourth bearing seat; a plurality of groups of positioning members are evenly spaced and distributed on the outside of the fourth bearing seat.

[0013] Optionally, the first clamping component and the second clamping component have the same structure; the first clamping component includes a first base and two groups of first jaws; the first base is arranged on the detection table; two groups of first jaws are symmetrically arranged on the first base, and a first clamping block is provided between the two groups of first jaws, and the first clamping block is respectively connected to the two groups of first jaws through a first spring; a first through hole for a connecting line to pass through is provided on the side wall of the first jaw; the clamping drive member is connected to the first clamping block through a connecting line.

[0014] Optionally, the positioning component includes a fixing frame, a connecting rod and a locking screw; the fixing frame is arranged on the front threshold detection module, the rear threshold detection module, the B-pillar lower plate detection module and the B-pillar upper plate detection module; the connecting rod is slidably arranged on the fixing frame, and a handle is connected to the end of the connecting rod; one end of the locking screw is passed through the end of the connecting rod and is detachably connected to the fixing frame.

[0015] The above one or more technical solutions in the automobile B-pillar front and rear door sill combination inspection fixture provided by the embodiment of the utility model have at least one of the following technical effects: by arranging the front door sill detection module, the rear door sill detection module, the B-pillar lower plate detection module and the B-pillar upper plate detection module, the B-pillar, the front door sill and the rear door sill can be installed as a whole on the inspection platform, and according to the connection conditions of the connection parts among the front door sill detection module, the rear door sill detection module, the B-pillar lower plate detection module and the B-pillar upper plate detection module, it is judged whether the overall connection relationship among the B-pillar, the front door sill and the rear door is qualified, so as to ensure the accuracy of the individual detection results of the B-pillar, the front door sill and the rear door sill and the matching detection results after assembly, and improve the detection effect; and under the interaction of the front door sill detection module, the rear door sill detection module, the B-pillar lower plate detection module and the B-pillar upper plate detection module, the B-pillar, the front door sill and the rear door sill can be detected as a whole, so as to simplify the detection steps and improve the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 The present invention is a schematic structural diagram of a combined inspection fixture for front and rear door sills of a B-pillar of an automobile provided in an embodiment of the present invention.

[0018] Figure 2 A schematic structural diagram of a B-pillar upper plate detection module provided in an embodiment of the utility model.

[0019] Figure 3 A schematic structural diagram of a B-pillar lower plate detection module provided in an embodiment of the utility model.

[0020] Figure 4 A schematic structural diagram of a front threshold detection module provided in an embodiment of the utility model.

[0021] Figure 5 A schematic structural diagram of a rear door sill detection module provided in an embodiment of the utility model.

[0022] Figure 6 A schematic structural diagram of a positioning component provided in an embodiment of the utility model.

[0023] Figure 7 A schematic structural diagram of a first clamping component provided in an embodiment of the utility model.

[0024] Among them, the reference numerals in the figure are:

[0025] 10. Inspection table; 11. First workbench; 12. Second workbench; 13. Third workbench; 14. First fixing plate; 141. Block; 15. Second fixing plate; 151. Fixing seat; 152. Handle; 153. Buckle; 21. First clamping member; 22. Second clamping member; 23. Clamping drive member; 24. First base; 25. First clamping claw; 26. First through hole; 30. Positioning member; 31. Fixing frame; 32. Connecting rod; 33. Locking screw; 34. Handle; 40. Front threshold detection module; 41. First bearing seat; 42. First limit Block; 43, the first movable detection block; 44, the second movable detection block; 50, the rear door sill detection module; 51, the second bearing seat; 52, the second limit block; 53, the third movable detection block; 54, the rotating seat; 55, the hand-held detection block; 551, the detection unit; 60, the B-pillar lower plate detection module; 61, the third bearing seat; 62, the fourth movable detection block; 63, the fifth movable detection block; 64, the sixth movable detection block; 65, the pressure block; 66, the sliding rod; 70, the B-pillar upper plate detection module; 71, the fourth bearing seat; 73, the seventh movable detection block; 74, the eighth movable detection block. DETAILED DESCRIPTION

[0026] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0027] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0029] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0030] In one embodiment of the present invention, Figures 1 to 7 As shown, a combined inspection fixture for the front and rear thresholds of the B-pillar of an automobile is provided, comprising a test platform 10, a clamping mechanism and a positioning mechanism. The test platform 10 is provided with a front threshold inspection module 40 and a rear threshold inspection module 50 arranged on the left and right. The test platform 10 is provided with a B-pillar upper plate inspection module 70 and a B-pillar lower plate inspection module 60 arranged up and down. The B-pillar lower plate inspection module 60 is arranged between the front threshold inspection module 40 and the rear threshold inspection module 50. The clamping mechanism comprises a plurality of clamping drive members 23, a first clamping component 21 and a second clamping component 22. The clamping drive member 23 is a buckle pull box, which is used to control the clamping or opening of the first clamping component 21 and the second holding component. A plurality of clamping drive members 23 are arranged on the test platform 10, and the clamping drive members 23 are respectively connected to the first clamping component 21 and the second clamping component 22. A plurality of groups of first clamping components 21 and second clamping components 22 are arranged on the inspection platform 10 at equal intervals, and the plurality of groups of first clamping components 21 and second clamping components 22 are located in the front threshold detection module 40, the rear threshold detection module 50, the B-pillar lower plate detection module 60 and the B-pillar upper plate detection module 70. The clamping drive 23 is used to drive the first clamping component 21 and the second clamping component 22 to clamp the B-pillar, the front threshold and the rear door. The positioning mechanism includes a plurality of groups of positioning components 30 arranged on the inspection platform 10, and the plurality of groups of positioning components 30 are arranged on the front threshold detection module 40, the rear threshold detection module 50, the B-pillar lower plate detection module 60 and the B-pillar upper plate detection module 70 at equal intervals, respectively, for fixing the positions of the B-pillar, the front threshold and the rear door.

[0031] By setting the front threshold detection module 40, the rear threshold detection module 50, the B-pillar lower plate detection module 60 and the B-pillar upper plate detection module 70, the B-pillar, the front threshold and the rear threshold can be installed on the detection platform 10 as a whole, and according to the connection conditions of the connection points among the front threshold detection module 40, the rear threshold detection module 50, the B-pillar lower plate detection module 60 and the B-pillar upper plate detection module 70, it is judged whether the overall connection relationship among the B-pillar, the front threshold and the rear door is qualified, thereby ensuring the accuracy of the individual detection results of the B-pillar, the front threshold and the rear threshold and the matching detection results after assembly, thereby improving the detection effect, and under the interaction of the front threshold detection module 40, the rear threshold detection module 50, the B-pillar lower plate detection module 60 and the B-pillar upper plate detection module 70, the B-pillar, the front threshold and the rear threshold can be detected as a whole, thereby simplifying the detection steps and improving the detection efficiency.

[0032] Furthermore, the inspection table 10 includes a first workbench 11, a second workbench 12 and a third workbench 13. The second workbench 12 is arranged on one side of the first workbench 11, and a locking component is arranged between the second workbench 12 and the first workbench 11. The third workbench 13 is arranged vertically on the first workbench 11 and is located between the first workbench 11 and the second workbench 12. The front threshold detection module 40 is located on the first workbench 11, the rear threshold detection module 50 is located on the second workbench 12, and the B-pillar upper plate detection module 70 and the B-pillar lower plate detection module 60 are distributed up and down on the third workbench 13. By setting the first workbench 11, the second workbench 12 and the third workbench 13, the inspection tool can be transported as a single component, simplifying the transportation process, and when it needs to be combined, the first workbench 11 and the second workbench 12 are locked by the locking component and fixed vertically to the third workbench 13, thereby forming a "T"-shaped inspection table 10, which is convenient for the installation of each part of the detection module.

[0033] Furthermore, the locking mechanism includes a first fixing plate 14 and a second fixing plate 15. The first fixing plate 14 is disposed on the first workbench 11, and a block 141 extending outward is disposed on the first fixing plate 14. The second fixing plate 15 is disposed on the second workbench 12, and a fixing seat 151 is disposed on the second fixing plate 15, and a handle 152 is rotatably connected to the fixing seat 151. A buckle 153 is rotatably connected to the handle 152, and the buckle 153 has a closing portion. When the first workbench 11 and the second workbench 12 are combined, the closing portion buckle 153 is snapped into the block 141. When the first workbench 11 and the second workbench 12 are locked, the closed part of the buckle 153 is buckled in the block 141, and then the handle 152 is pressed down in the opposite direction of the first fixed plate 14. The handle 152 pulls the buckle 153 in the opposite direction of the first fixed plate 14, so that the closed part of the buckle 153 and the block 141 abut against each other, thereby completing the locking of the first workbench 11 and the second workbench 12.

[0034] Further, the front threshold detection module 40 includes a first bearing seat 41. Two groups of first limit blocks 42 distributed left and right are provided on the first bearing seat 41. A first movable detection block 43 and a second movable detection block 44 for detecting the connection ends on both sides of the front threshold are respectively provided at both ends of the first bearing seat 41. The clamping drive member 23 is located on one side of the first bearing seat 41, and the first clamping component 21 and the second clamping component 22 are distributed left and right in the first bearing seat 41. The positioning component 30 is located on one side of the first bearing seat 41. In this embodiment, a pull rod with a locking screw is provided between the first movable detection block 43 and the second movable detection block 44 and the first bearing seat 41, respectively, and the pull rod is connected to the first bearing seat 41 through the locking screw. By pulling the pull rod, the first movable detection block 43 or the second movable detection block 44 is moved closer to or away from the front threshold connection end. When it moves to a specified position, the position of the pull rod is fixed by the locking screw, and the staff detects the assembly of the first movable detection block 43, the second movable detection block 44 and the front threshold connection end.

[0035] During inspection, the front threshold is placed on the first supporting seat 41, and the clamping driving member 23 is started. The clamping driving member 23 drives the first clamping member 21 and the second clamping member 22 to preliminarily fix the limit block in the front threshold, and then the front threshold is fixed as a whole by the first limit block 42 and the positioning member 30, so as to facilitate the staff to conduct a separate inspection of the front threshold. At the same time, the connecting end of the front threshold is inspected by the first movable detection block 43 and the second movable detection block 44, and defective products are screened out to ensure that the connecting end of the front threshold can be normally connected to other components.

[0036] Further, the rear threshold detection module 50 includes a second bearing seat 51. Two groups of second limit blocks 52 are arranged on the second bearing seat 51. A third movable detection block 53 for detecting the rear threshold connection end is arranged at one end of the second bearing seat 51, and a handheld detection assembly rotatably connected to the detection platform 10 is arranged at the other end. The clamping drive member 23 is located on one side of the second bearing seat 51, and the second clamping member 22 and the first clamping member 21 are arranged on the second bearing seat 51. In this embodiment, a pull rod with a locking screw is arranged between the third movable detection block 53 and the first bearing seat 41, and the pull rod is connected to the second bearing seat 51 through the locking screw. The third movable detection block 53 is moved closer to or away from the rear threshold connection end by pulling the pull rod. When it moves to a specified position, the position of the pull rod is fixed by the locking screw, and then the handheld detection assembly is rotated to abut against the rear threshold connection end, and then the staff detects the assembly of the third movable detection block 53, the handheld detection assembly and the rear threshold connection end.

[0037] During inspection, the rear door sill is placed on the second supporting seat 51, and the clamping driving member 23 is started. The clamping driving member 23 drives the first clamping member 21 and the second clamping member 22 to preliminarily fix the limit block in the rear door sill, and then the rear door sill is fixed as a whole by the second limit block 52, so as to facilitate the staff to conduct a separate inspection of the rear door sill. At the same time, the connection end of the rear door sill is inspected by the third movable detection block 53 and the handheld detection component, and defective products are screened out to ensure that the connection end of the rear door sill can be normally connected with other components.

[0038] Furthermore, the handheld detection assembly includes a rotating seat 54 and a handheld detection block 55. The rotating seat 54 is disposed on the detection platform 10. The handheld detection block 55 is rotatably connected to the rotating seat 54, and one end of the handheld detection block 55 is provided with a detection portion 551 extending outward. During detection, the handheld detection block 55 is rotated toward the rear door sill so that the detection portion 551 on the handheld detection block 55 abuts against the connection end of the rear door sill, and the staff detects the assembly condition of the detection portion 551 and the connection end of the rear door sill, thereby simplifying the detection steps.

[0039] Further, the B-pillar lower plate detection module 60 includes a third bearing seat 61. A pressure block 65 is provided on the third bearing seat 61. Sliding rods 66 are provided between the two ends of the pressure block 65 and the third bearing seat 61, and the pressure block 65 is fixedly connected to the third bearing seat 61. The third bearing seat 61 is provided with a fourth movable detection block 62, a fifth movable detection block 63 and a sixth movable detection block 64 for detecting the connection end of the B-pillar lower plate. The clamping drive member 23 is arranged on the outer side of the third bearing seat 61, and multiple groups of first clamping components 21 are evenly spaced in the third bearing seat 61. Multiple groups of positioning components 30 are evenly spaced on the outer side of the third bearing seat 61. In this embodiment, a pull rod with a locking screw is provided between the fourth movable detection block 62, the fifth movable detection block 63, and the sixth movable detection block 64 and the third supporting seat 61 respectively, and the pull rod is connected to the third supporting seat 61 through the locking screw. The fourth movable detection block 62, the fifth movable detection block 63 or the sixth movable detection block 64 is moved closer to or away from the B-pillar lower plate connection end by pulling the pull rod. When it moves to the specified position, the position of the pull rod is fixed by the locking screw, and the staff inspects the assembly status of the fourth movable detection block 62, the fifth movable detection block 63, the sixth movable detection block 64 and the B-pillar lower plate connection end.

[0040] During the inspection, the B-pillar lower plate is placed on the third bearing seat 61, and the clamping driving member 23 is started. The clamping driving member 23 drives the first clamping member 21 and the second clamping member 22 to preliminarily fix the limit block in the B-pillar lower plate, and then the B-pillar lower plate is fixed as a whole by the positioning member 30 and the pressing block 65, so as to facilitate the staff to conduct a separate inspection of the B-pillar lower plate. At the same time, the connecting end of the B-pillar lower plate is inspected by the fourth movable inspection block 62, the fifth movable inspection block 63, and the sixth movable inspection block 64, and the defective products are screened out to ensure that the connecting end of the B-pillar lower plate can be normally connected to other components.

[0041] Further, the B-pillar upper plate detection module 70 includes a fourth bearing seat 71. The fourth bearing seat 71 is provided with two groups of seventh movable detection blocks 73 and eighth movable detection blocks 74 for detecting the B-pillar upper plate connection end. The clamping drive member 23 is arranged on the outer side of the fourth bearing seat 71, and the second clamping member 22 is located in the fourth bearing seat 71. Multiple groups of positioning members 30 are evenly spaced and distributed on the outer side of the fourth bearing seat 71. In this embodiment, a pull rod with a locking screw is provided between the seventh movable detection block 73, the eighth movable detection block 74 and the fourth bearing seat 71, and the pull rod is connected to the fourth bearing seat 71 through the locking screw. By pulling the pull rod, the seventh movable detection block 73 or the eighth movable detection block 74 is moved closer to or away from the B-pillar upper plate connection end. When it moves to the specified position, the position of the pull rod is fixed by the locking screw, and the staff detects the assembly of the seventh movable detection block 73, the eighth movable detection block 74 and the B-pillar upper plate connection end.

[0042] During inspection, the B-pillar upper plate is placed on the fourth bearing seat 71, and the clamping drive member 23 is started. The clamping drive member 23 drives the first clamping member 21 and the second clamping member 22 to preliminarily fix the limit block in the B-pillar upper plate, and then the B-pillar upper plate is fixed as a whole by the positioning member 30, so as to facilitate the staff to conduct a separate inspection of the B-pillar upper plate. At the same time, the connection end of the B-pillar upper plate is inspected by the seventh movable inspection block 73 and the eighth movable inspection block 74, and defective products are screened out to ensure that the connection end of the B-pillar upper plate can be normally connected to other components.

[0043] Furthermore, the first clamping component 21 and the second clamping component 22 have the same structure, the top of the first clamping part has an arc-shaped clamping opening, and the second clamping part has a rectangular clamping opening. The first clamping component 21 includes a first base 24 and two groups of first clamping jaws 25. The first base 24 is arranged on the detection platform 10. The two groups of first clamping jaws 25 are symmetrically arranged on the first base 24, and a first clamping block 141 is arranged between the two groups of first clamping jaws 25, and the first clamping block 141 is respectively connected to the two groups of first clamping jaws 25 through a first spring. A first through hole 26 for a connecting line to pass through is arranged on the side wall of the first clamping jaw 25. The clamping drive 23 is connected to the first clamping block 141 through a connecting line. When clamping, the clamping drive 23 is started, and the clamping drive 23 pulls the connecting line, that is, the connecting line pulls the first clamping block 141 to move, and the first clamping block 141 pulls the first springs at both ends thereof, and moves the first clamping jaws 25 at both ends toward the inside respectively, and then the two groups of first clamping jaws 25 clamp the limiting part at the bottom end of the required clamping part.

[0044] Further, the positioning component 30 includes a fixing frame 31, a connecting rod 32 and a locking screw 33. The fixing frame 31 is arranged on the front threshold detection module 40, the rear threshold detection module 50, the B-pillar lower plate detection module 60 and the B-pillar upper plate detection module 70. The connecting rod 32 is slidably arranged on the fixing frame 31, and a handle 34 is connected to the end of the connecting rod 32. One end of the locking screw 33 is passed through the end of the connecting rod 32 and is detachably connected to the fixing frame 31. In this embodiment, one end of the connecting rod 32 has a variety of styles, wherein one type of connecting rod 32 has an arc portion, and when fixed, the arc portion can be mutually plugged into the limiting hole of the required fixing part. Another type of connecting rod 32 has an L-shaped portion, and when fixed, the L-shaped portion abuts against the inner wall of the required fixing part.

[0045] When fixing, the handle 34 is used to push the connecting rod 32 to move toward the inside of the desired fixing part, and one end of the connecting rod 32 is fixed to the limiting hole or side wall of the desired fixing part, thereby achieving the fixing of the part.

[0046] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A combined inspection fixture for front and rear door sills of a car B-pillar, characterized in that: include: A detection platform, wherein a front threshold detection module and a rear threshold detection module are arranged on the detection platform; a B-pillar upper plate detection module and a B-pillar lower plate detection module are arranged on the detection platform; the B-pillar lower plate detection module is arranged between the front threshold detection module and the rear threshold detection module; A clamping mechanism, the clamping mechanism comprising a plurality of groups of clamping driving members, a first clamping member and a second clamping member; the plurality of groups of the clamping driving members are arranged on the detection platform, and the clamping driving members are respectively connected to the first clamping member and the second clamping member; the plurality of groups of the first clamping members and the second clamping members are arranged on the detection platform at equal intervals, and the plurality of groups of the first clamping members and the second clamping members are located in the front door sill detection module, the rear door sill detection module, the B-pillar lower plate detection module and the B-pillar upper plate detection module; the clamping driving member is used to drive the first clamping member and the second clamping member to clamp the B-pillar, the front door sill and the rear door; The positioning mechanism comprises a plurality of positioning components arranged on the detection platform, and the plurality of positioning components are arranged at equal intervals on the front door sill detection module, the rear door sill detection module, the B-pillar lower plate detection module and the B-pillar upper plate detection module, and are used for fixing the positions of the B-pillar, the front door sill and the rear door.

2. The automobile B-pillar front and rear door sill assembly inspection fixture according to claim 1 is characterized in that: The inspection platform includes a first workbench, a second workbench and a third workbench; the second workbench is arranged on one side of the first workbench, and a locking component is provided between the second workbench and the first workbench; the third workbench is vertically arranged on the first workbench and is located between the first workbench and the second workbench; the front threshold detection module is located on the first workbench, the rear threshold detection module is located on the second workbench, and the B-pillar upper plate detection module and the B-pillar lower plate detection module are distributed up and down on the third workbench.

3. The automobile B-pillar front and rear door sill assembly inspection fixture according to claim 2 is characterized in that: The locking component includes a first fixing plate and a second fixing plate; the first fixing plate is arranged on the first workbench, and a clamping block extending outward is provided on the first fixing plate; the second fixing plate is arranged on the second workbench, and a fixing seat is provided on the second fixing plate, and a rotatably connected handle is provided on the fixing seat; a buckle is rotatably connected to the handle, and the buckle has a closing portion; when the first workbench and the second workbench are combined, the closing portion is buckled in the clamping block.

4. The automobile B-pillar front and rear door sill assembly inspection fixture according to claim 1 is characterized in that: The front threshold detection module includes a first supporting seat; two groups of first limit blocks distributed on the left and right are provided on the first supporting seat; first movable detection blocks and second movable detection blocks are respectively provided at both ends of the first supporting seat for detecting the connecting ends on both sides of the front threshold; the clamping drive component is located on one side of the first supporting seat, and the first clamping component and the second clamping component are distributed on the left and right in the first supporting seat; the positioning component is located on one side of the first supporting seat.

5. The automobile B-pillar front and rear door sill assembly inspection fixture according to claim 1 is characterized in that: The rear threshold detection module includes a second bearing seat; two groups of second limit blocks distributed on the left and right are provided on the second bearing seat; a third movable detection block for detecting the rear threshold connection end is provided at one end of the second bearing seat, and a handheld detection component rotatably connected to the detection platform is provided at the other end; the clamping drive member is located on one side of the second bearing seat, and the second clamping component and the first clamping component are distributed on the left and right of the second bearing seat.

6. The automobile B-pillar front and rear door sill assembly inspection fixture according to claim 5 is characterized in that: The handheld detection assembly comprises a rotating seat and a handheld detection block; the rotating seat is arranged on the detection platform; the handheld detection block is rotatably connected to the rotating seat, and one end of the handheld detection block is provided with a detection portion extending outward.

7. The automobile B-pillar front and rear door sill assembly inspection fixture according to claim 1 is characterized in that: The B-pillar lower plate detection module includes a third bearing seat; a pressure block is provided on the third bearing seat; sliding rods are provided between the two ends of the pressure block and the third bearing seat respectively, and the pressure block is fixedly connected to the third bearing seat; the third bearing seat is provided with a fourth movable detection block, a fifth movable detection block and a sixth movable detection block for the B-pillar lower plate connection end; the clamping drive member is arranged on the outside of the third bearing seat, and multiple groups of the first clamping components are evenly distributed in the third bearing seat; multiple groups of the positioning components are evenly distributed on the outside of the third bearing seat.

8. The automobile B-pillar front and rear door sill assembly inspection fixture according to claim 1 is characterized by: The B-pillar upper plate detection module includes a fourth bearing seat; the fourth bearing seat is provided with two groups of a seventh movable detection block and an eighth movable detection block for detecting the B-pillar upper plate connection end; the clamping drive member is arranged on the outer side of the fourth bearing seat, and the second clamping member is located inside the fourth bearing seat; a plurality of groups of positioning members are distributed at equal intervals on the outer side of the fourth bearing seat.

9. The automobile B-pillar front and rear door sill assembly inspection fixture according to claim 1, characterized in that: The first clamping component and the second clamping component have the same structure; the first clamping component includes a first base and two groups of first clamping jaws; the first base is arranged on the detection table; two groups of the first clamping jaws are symmetrically arranged on the first base, and a first clamping block is provided between the two groups of the first clamping jaws, and the first clamping block is respectively connected to the two groups of first clamping jaws through a first spring; a first through hole for a connecting line to pass through is provided on the side wall of the first clamping jaw; the clamping drive member is connected to the first clamping block through a connecting line.

10. The automobile B-pillar front and rear door sill assembly inspection fixture according to claim 1, characterized in that: The positioning component includes a fixing frame, a connecting rod and a locking screw; the fixing frame is arranged on the front threshold detection module, the rear threshold detection module, the B-pillar lower plate detection module and the B-pillar upper plate detection module; the connecting rod is slidably arranged on the fixing frame, and a handle is connected to the end of the connecting rod; one end of the locking screw is passed through the end of the connecting rod and is detachably connected to the fixing frame.

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