An automobile interior trim panel scratch test device

Abstract

The present invention provides a scratch test device for automobile interior panels, belonging to the technical field of automobile interior panel performance testing, comprising a support frame, a containing assembly, a first drive assembly, a limit assembly, a second drive assembly and a scribing needle, wherein the containing assembly is rotatably arranged at the inner bottom of the supporting frame to provide support for the automobile interior panel to be tested, the scribing needle is arranged above the containing assembly, and the first drive assembly is arranged at the inner top of the supporting frame to drive the scribing needle to reciprocate along the upper part of the containing assembly to scratch the surface of the automobile interior panel to be tested. Compared with the prior art, the embodiment of the present invention can automatically adjust the relative position between the automobile interior panel and the scribing needle when performing a scratch test on the automobile interior panel, so that the scribing needle can fully scratch the surface of the automobile interior panel, thereby improving the efficiency of the scratch resistance test of the automobile interior panel and improving the effect of the scratch resistance test.

Description

Technical Field

[0001] The present invention belongs to the technical field of performance detection of automotive interior panels, and specifically relates to a scratch test device for automotive interior panels. Background Art

[0002] Currently, before automotive interior panels are put into use, relevant performance tests are required, and only those that pass the tests can be used.

[0003] In the prior art, for the anti-scratch detection of automotive interior panels, most often a driving mechanism is used to drive a scriber to move, so that the scriber slides on the surface of the automotive interior panel. By observing whether the scriber can leave a scratch on the surface of the automotive interior panel and judging the morphology of the scratch, the anti-scratch performance of the automotive interior panel is then judged. However, this anti-scratch detection method for automotive interior panels is relatively traditional. When the driving mechanism controls the movement of the scriber, the trajectory is a single linear structure, resulting in the sliding trajectory of the scriber on the surface of the automotive interior panel also being a single linear structure. To obtain relatively comprehensive anti-scratch data on the surface of the automotive interior panel, it is necessary to manually adjust the relative position between the automotive interior panel and the scriber continuously, leading to relatively low efficiency in the anti-scratch detection of automotive interior panels. Summary of the Invention

[0004] Aiming at the deficiencies of the above prior art, the technical problem to be solved by the embodiments of the present invention is to provide a scratch test device for automotive interior panels.

[0005] To solve the above technical problem, the present invention provides the following technical solutions:

[0006] A scratch test device for automotive interior panels, comprising a support frame, a holding component, a first driving component, a limiting component, a second driving component, and a scriber.

[0007] The holding component is rotatably arranged at the inner bottom of the support frame and is used to provide support for the automotive interior panel to be tested.

[0008] The scriber is arranged above the holding component, and the first driving component is arranged at the inner top of the support frame and is used to drive the scriber to reciprocate above the holding component to slide on the surface of the automotive interior panel to be tested.

[0009] The second driving component is arranged on one side of the scriber. When the scriber moves from one end to the other end above the holding component, the second driving component drives the holding component to rotate a predetermined angle.

[0010] The limiting component is arranged below the holding component. When the scriber moves above the holding component to slide on the surface of the automotive interior panel to be tested, the limiting component is used to limit the holding component.

[0011] As a further improvement of the present invention: the first driving assembly includes a motor, a lead screw, and a slide bar,

[0012] The motor is fixedly installed on the inner wall of the support frame. One end of the lead screw is connected to the output end of the motor, and the other end passes through the slide bar and is in threaded cooperation with the slide bar. The scribing needle is fixedly arranged at the bottom of the slide bar.

[0013] As a further improvement of the present invention: a first guide rail is fixedly arranged on the inner top wall of the support frame, and a first guide rail groove adapted to the first guide rail is opened at the upper end of the slide bar.

[0014] As a further improvement of the present invention: the placing assembly includes a placing tray and a rotating shaft,

[0015] The rotating shaft is fixedly arranged at the bottom of the placing tray. The lower end of the rotating shaft is rotatably connected to the inner bottom wall of the support frame. A placing groove for embedding an automotive interior trim panel is opened on the upper surface of the placing tray.

[0016] As a further improvement of the present invention: a plurality of push plates are fixedly arranged on the upper edge of the placing tray. The plurality of push plates are distributed at intervals in a ring shape. Each group of push plates is inclined with respect to the diameter of the placing tray.

[0017] The second driving assembly includes a support rod, a second elastic member, and a first push rod.

[0018] The support rod is fixedly arranged on the side wall of the slide bar. The first push rod is hinged at the bottom of the support rod. One end of the second elastic member is connected to the support rod, and the other end is connected to the first push rod, for providing elastic tension to the first push rod.

[0019] As a further improvement of the present invention: a second push rod is also fixedly arranged at the bottom of the support rod. A plurality of notches are opened on the placing tray. The plurality of notches are distributed at intervals in a ring shape. The plurality of notches are located between the placing groove and the plurality of push plates. A support seat is fixedly arranged on the inner bottom wall of the support frame.

[0020] The limiting assembly includes a limiting rod, a limiting piece, and a limiting seat.

[0021] A plurality of groups of the limiting rods are provided corresponding to the notches one by one. Each group of the limiting rods vertically passes through the placing tray from the corresponding notch. The side wall of each group of the limiting rods is rotatably connected to the inner wall of the corresponding notch through a pin rod. A group of the limiting pieces are fixedly arranged on one side of the bottom of each group of the limiting rods.

[0022] The limiting seat is slidably mounted on the inner bottom wall of the support frame. A limiting groove for inserting the limiting piece is formed in the limiting seat. One side of the limiting seat is connected to the support seat through a first elastic member, and the first elastic member is used to provide elastic support for the limiting seat.

[0023] As a further improvement of the present invention: A stop seat is arranged on the side of the limiting seat away from the first elastic member, and the stop seat is fixedly mounted on the inner bottom wall of the support frame.

[0024] As a further improvement of the present invention: A second guide rail is fixedly arranged on the inner bottom wall of the support frame, and a second guide rail groove adapted to the second guide rail is formed at the bottom of the limiting seat.

[0025] Compared with the prior art, the beneficial effects of the present invention are:

[0026] In the embodiment of the present invention, initially, the scriber is located at one end of the upper part of the placing assembly. When a scratch test needs to be performed on the automotive interior trim panel, the automotive interior trim panel to be tested can be placed on the upper part of the placing assembly, and then the first driving assembly is used to drive the scriber to move above the placing assembly, so that the scriber moves from one end of the placing assembly to the other end. During this process, the scriber acts on the surface of the automotive interior trim panel to be tested, and then scratches the surface of the automotive interior trim panel to be tested. When the scriber moves from one end of the placing assembly to the other end, the second driving assembly drives the placing assembly to rotate by a predetermined angle, and then drives the automotive interior trim panel to rotate by a predetermined angle. Subsequently, the first driving assembly drives the scriber to move in the reverse direction to realize the reset of the scriber. After the scriber is reset, the first driving assembly drives the scriber to move from one end of the placing assembly to the other end again, and the scriber scratches the surface of the automotive interior trim panel again until the scriber moves to the other end of the placing assembly again, and the second driving assembly drives the placing assembly to rotate by a predetermined angle again, and then drives the automotive interior trim panel to rotate by a predetermined angle. In this way, when the placing assembly drives the automotive interior trim panel to rotate 360°, the scriber can scratch a plurality of scattered trajectories on the surface of the automotive interior trim panel, and the scattered trajectories cover the entire surface of the automotive interior trim panel, so as to realize the full scratching of the surface of the automotive interior trim panel to improve the anti-scratch test effect of the automotive interior trim panel; when the scriber moves above the placing assembly to scratch the surface of the automotive interior trim panel, the placing assembly is limited by the limiting component, so as to avoid the rotation of the placing assembly and the rotation of the automotive interior trim panel, so that the scriber can stably scratch the surface of the automotive interior trim panel. Compared with the prior art, during the scratch test of the automotive interior trim panel, the relative position between the automotive interior trim panel and the scriber can be automatically adjusted, so that the scriber can scratch the entire surface of the automotive interior trim panel, thereby improving the anti-scratch test efficiency of the automotive interior trim panel and the anti-scratch test effect. Description of the Drawings

[0027] Figure 1 Schematic diagram of the structure of a scratch test device for an automotive interior panel Figure 1 ;

[0028] Figure 2 Schematic diagram of the structure of a scratch test device for an automotive interior panel Figure 2 ;

[0029] Figure 3 is Figure 1 the enlarged schematic diagram of area A in

[0030] Figure 4 is Figure 2 the enlarged schematic diagram of area B in

[0031] In the figure: 10 - support frame, 101 - first guide rail, 102 - support seat, 103 - second guide rail, 20 - holding assembly, 201 - holding tray, 202 - rotating shaft, 203 - push plate, 204 - placement groove, 205 - notch, 30 - first driving assembly, 301 - motor, 302 - lead screw, 303 - slide bar, 40 - limiting assembly, 401 - limiting rod, 402 - limiting piece, 403 - limiting seat, 404 - limiting groove, 405 - retaining seat, 406 - first elastic member, 50 - second driving assembly, 501 - support rod, 502 - second elastic member, 503 - first push rod, 504 - second push rod, 60 - scribe needle. Detailed implementation manners

[0032] The technical solutions of the present invention will be further described in detail below in conjunction with the specific implementation manners.

[0033] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described by referring to the drawings below are exemplary and are only used to explain the present invention and should not be construed as a limitation to the present invention.

[0034] Please refer to Figure 1 and Figure 2, this embodiment provides a scratch test device for an automotive interior trim panel, including a support frame 10, a holding component 20, a first driving component 30, a limiting component 40, a second driving component 50, and a scriber 60. The holding component 20 is rotatably arranged at the inner bottom of the support frame 10 and is used to support the automotive interior trim panel to be tested. The scriber 60 is arranged above the holding component 20. The first driving component 30 is arranged at the inner top of the support frame 10 and is used to drive the scriber 60 to reciprocate above the holding component 20 to scratch the surface of the automotive interior trim panel to be tested. The second driving component 50 is arranged on one side of the scriber 60. When the scriber 60 moves from one end to the other end above the holding component 20, the second driving component 50 drives the holding component 20 to rotate a predetermined angle. The limiting component 40 is arranged below the holding component 20. When the scriber 60 moves above the holding component 20 to scratch the surface of the automotive interior trim panel to be tested, the limiting component 40 is used to limit the holding component 20.

[0035] Initially, the scriber 60 is located at one end of the upper part of the holding component 20. When a scratch test needs to be performed on the automotive interior trim panel, the automotive interior trim panel to be tested can be placed on the upper part of the holding component 20, and then the first driving component 30 is used to drive the scriber 60 to move above the holding component 20, so that the scriber 60 moves from one end of the holding component 20 to the other end. During this process, the scriber 60 acts on the surface of the automotive interior trim panel to be tested, and thus scratches the surface of the automotive interior trim panel to be tested. When the scriber 60 moves from one end of the holding component 20 to the other end, the second driving component 50 drives the holding component 20 to rotate a predetermined angle, and then drives the automotive interior trim panel to rotate a predetermined angle. Subsequently, the first driving component 30 drives the scriber 60 to move in the reverse direction to realize the reset of the scriber 60. After the scriber 60 is reset, the first driving component 30 drives the scriber 60 to move from one end of the holding component 20 to the other end again, and the scriber 60 scratches the surface of the automotive interior trim panel again until the scriber 60 moves to the other end of the holding component 20 again. The second driving component 50 drives the holding component 20 to rotate a predetermined angle again, and then drives the automotive interior trim panel to rotate a predetermined angle. In this way, when the holding component 20 drives the automotive interior trim panel to rotate 360°, the scriber 60 can scratch a number of scattered trajectories on the surface of the automotive interior trim panel. The scattered trajectories cover the entire surface of the automotive interior trim panel, so as to realize the full scratching of the surface of the automotive interior trim panel and improve the anti-scratch test effect of the automotive interior trim panel. When the scriber 60 moves above the holding component 20 to scratch the surface of the automotive interior trim panel, the limiting component 40 limits the holding component 20, thereby preventing the holding component 20 from rotating and causing the automotive interior trim panel to rotate, so that the scriber 60 can stably scratch the surface of the automotive interior trim panel.

[0036] Please refer to Figure 1 and Figure 2 In one embodiment, the first driving assembly 30 includes a motor 301, a lead screw 302 and a slide bar 303. The motor 301 is fixedly installed on the inner wall of the support frame 10. One end of the lead screw 302 is connected to the output end of the motor 301, and the other end penetrates through the slide bar 303 and is in threaded cooperation with the slide bar 303. The scriber 60 is fixedly arranged at the bottom of the slide bar 303.

[0037] After the automotive interior trim panel to be tested is placed on the upper part of the holding assembly 20, the motor 301 can be used to drive the lead screw 302 to rotate forward and backward alternately. When the lead screw 302 rotates forward, the slide bar 303 can be driven to move along the length direction of the lead screw 302 through the threaded cooperation with the slide bar 303, and then the scriber 60 can be driven to move above the holding assembly 20. During this process, the scriber 60 acts on the surface of the automotive interior trim panel to slide on the surface of the automotive interior trim panel. When the lead screw 302 rotates backward, the slide bar 303 can be driven to move reversely along the length direction of the lead screw 302 through the reverse threaded cooperation with the slide bar 303, and then the scriber 60 can be driven to move reversely above the holding assembly 20 to realize the reset of the scriber 60.

[0038] Please refer to Figure 1 In one embodiment, a first guide rail 101 is fixedly arranged on the inner top wall of the support frame 10, and a first guide rail groove (not shown in the figure) adapted to the first guide rail 101 is formed at the upper end of the slide bar 303.

[0039] The upper end of the slide bar 303 is in sliding cooperation with the first guide rail 101 through the first guide rail groove, so that when the motor 301 drives the lead screw 302 to rotate, the slide bar 303 can stably move along the length direction of the lead screw 302, and then drive the scriber 60 to move stably to stably slide on the surface of the automotive interior trim panel.

[0040] Please refer to Figure 1 and Figure 2 In one embodiment, the holding assembly 20 includes a holding tray 201 and a rotating shaft 202. The rotating shaft 202 is fixedly arranged at the bottom of the holding tray 201. The lower end of the rotating shaft 202 is rotatably connected to the inner bottom wall of the support frame 10. A placement groove 204 for the automotive interior trim panel to be embedded is formed on the upper surface of the holding tray 201.

[0041] By embedding the automotive interior trim panel to be tested into the placement groove 204, and then using the motor 301 to drive the lead screw 302 to rotate forward and backward alternately, the scriber 60 can be driven to reciprocate above the holding tray 201. During the reciprocating movement of the scriber 60, it acts on the surface of the automotive interior trim panel to slide on the surface of the automotive interior trim panel.

[0042] Since the moving track of the scribing needle 60 is a linear structure, when using the movement of the scribing needle 60 to scribe the surface of the automotive interior panel, the automotive interior panel should be a planar structure. Based on this, the automotive interior panel mentioned in the present invention actually belongs to a flat blank that has not been stamped. When the flat blank is inserted into the placement groove 204, the flat blank can be completely inserted into the placement groove 204 and then be fully scribed by the scribing needle 60.

[0043] Please refer to Figure 2 and Figure 4 In one embodiment, a plurality of push plates 203 are fixedly arranged on the upper edge of the storage tray 201. The plurality of push plates 203 are annularly and spacedly distributed. Each group of push plates 203 is inclined with respect to the diameter of the storage tray 201. The second driving assembly 50 includes a support rod 501, a second elastic member 502, and a first push rod 503. The support rod 501 is fixedly arranged on the side wall of the sliding rod 303. The first push rod 503 is hingedly arranged at the bottom of the support rod 501. One end of the second elastic member 502 is connected to the support rod 501, and the other end is connected to the first push rod 503 for providing an elastic pulling force to the first push rod 503.

[0044] The motor 301 drives the lead screw 302 to rotate forward, thereby driving the sliding rod 303 and the scribing needle 60 to move above the storage tray 201. The sliding rod 303 drives the support rod 501 and the first push rod 503 to move synchronously. When the scribing needle 60 passes over the surface of the automotive interior panel, the first push rod 503 at the bottom of the support rod 501 acts on a certain group of push plates 203, and then applies a thrust to this group of push plates 203. Since the push plates 203 are inclined with respect to the diameter of the storage tray 201, when the push plates 203 are pushed, the thrust is transmitted to the storage tray 201 and the rotating shaft 202. The rotating shaft 202 rotates a predetermined angle with respect to the support frame 10, thereby driving the storage tray 201 to rotate a predetermined angle. When the storage tray 201 rotates a predetermined angle, it drives the automotive interior panel in the upper placement groove 204 to rotate a predetermined angle. After the automotive interior panel rotates a predetermined angle, the motor 301 drives the lead screw 302 to rotate reversely, thereby driving the sliding rod 303 and the scribing needle 60 to move reversely. The sliding rod 303 drives the support rod 501 and the first push rod 503 to move reversely. At this time, the first push rod 503 acts reversely on the subsequent group of push plates 203. At this time, the first push rod 503 rotates with respect to the support rod 501 under the push of the subsequent group of push plates 203, and the second elastic member 502 is stretched. Until the first push rod 503 passes over the subsequent group of push plates 203, the second elastic member 502 pulls the first push rod 503 to make the first push rod 503 rotate reversely with respect to the support rod 501, realizing the reset of the first push rod 503.

[0045] Please refer to Figure 2 andFigure 3 and Figure 4 , in one embodiment, a second push rod 504 is further fixedly arranged at the bottom of the support rod 501. A plurality of notches 205 are formed in the storage tray 201. The plurality of notches 205 are annularly and spacedly distributed. The plurality of notches 205 are located between the placement groove 204 and the plurality of push plates 203. A support seat 102 is fixedly arranged on the inner bottom wall of the support frame 10. The limiting assembly 40 includes a limiting rod 401, a limiting piece 402 and a limiting seat 403. A plurality of groups of the limiting rods 401 are provided corresponding to the notches 205 one by one. Each group of the limiting rods 401 vertically passes through the storage tray 201 from the corresponding notch 205. The side wall of each group of the limiting rods 401 is rotationally connected to the inner wall of the corresponding notch 205 through a pin rod (not shown in the figure). A group of the limiting pieces 402 are fixedly arranged on one side of the bottom of each group of the limiting rods 401. The limiting seat 403 is slidably mounted on the inner bottom wall of the support frame 10. A limiting groove 404 for the limiting piece 402 to be inserted into is formed in the limiting seat 403. One side of the limiting seat 403 is connected to the support seat 102 through a first elastic member 406. The first elastic member 406 is used to provide elastic support for the limiting seat 403.

[0046] Initially, a group of limit rods 401 facing the marking needle 60 are in an inclined state inside the corresponding notch 205, and the other limit rods 401 remain vertical under the action of gravity, and the limit plate 402 on the bottom side of the inclined limit rod 401 is inserted into the limit groove 404, and the limit rod 401 is maintained in an inclined state through the damping between the limit plate 402 and the limit groove 404, thereby limiting the rotation of the holding plate 201, so that the marking needle 60 can stably scratch the surface of the automobile interior panel during movement; when the marking needle 60 scratches the surface of the automobile interior panel, the first push rod 503 passes over the inclined limit rod 401, and then the second push rod 503 passes over the top of the inclined limit rod 401, and then the second push rod 503 passes over the top of the inclined limit rod 401, and then the second push rod 503 passes over the top of the inclined limit rod 401, and then the second push rod 503 passes over the top of the inclined limit rod 401, and then the second push rod 503 passes over the The push rod 504 acts on the inclined limit rod 401 and pushes the limit rod 401 to make the limit rod 401 rotate. When the limit rod 401 rotates, the limit sheet 402 on one side of its bottom is removed from the inside of the limit groove 404 to release the rotation restriction of the receiving tray 201. Then, as the first push rod 503 and the second push rod 504 continue to move, the second push rod 504 passes over the current limit rod 401, and the first push rod 503 acts on a certain group of push plates 203 to push the receiving tray 201 to rotate a predetermined angle. During the rotation of the receiving tray 201, the current limit rod 401 is removed from one side of the limit seat 403, and at the same time, the subsequent group of limit rods 401 are driven When the first push rod 503 moves in the opposite direction, it acts on the subsequent group of push plates 203, thereby rotating the first push rod 503 relative to the support rod 501. After the first push rod 503 passes over the subsequent group of push plates 203, the second push rod 504 acts on the subsequent group of limit rods 401 in the opposite direction, thereby driving the subsequent group of limit rods 401 to rotate. When the subsequent group of limit rods 401 rotates, the limit sheet 402 on one side of the bottom thereof is inserted into the limit groove 404 on the limit seat 403. At this time, the limit seat 403 is forced to move along the support rod 501. The first elastic member 406 is compressed until the second push rod 504 passes over the subsequent set of limit rods 401, and the first elastic member 406 pushes the limit seat 403 to make the limit seat 403 slide in the opposite direction, and the limit seat 403 drives the subsequent set of limit rods 401 to rotate in the opposite direction when sliding in the opposite direction, so that the marking needle 60 can continue to push the subsequent set of limit rods 401 when it moves subsequently and approaches the subsequent set of limit rods 401, so that the limit sheet 402 on the bottom side of the subsequent set of limit rods 401 can be disengaged from the limit groove 404 again, thereby releasing the rotation restriction of the holding plate 201 again.

[0047] See also Figure 3 In one embodiment, a stopper 405 is provided on a side of the limiting seat 403 away from the first elastic member 406 , and the stopper 405 is fixedly mounted on the inner bottom wall of the supporting frame 10 .

[0048] When the second push rod 504 acts on the limit rod 401 to cause the limit piece 402 to disengage from the inside of the limit groove 404, the sliding of the limit seat 403 is restricted by the retaining seat 405, thereby preventing the limit seat 403 from moving together with the limit piece 402, so as to ensure that the limit piece 402 can smoothly disengage from the inside of the limit groove 404, and then smoothly release the rotation restriction of the storage tray 201.

[0049] Please refer to Figure 3 , in one embodiment, a second guide rail 103 is fixedly arranged on the inner bottom wall of the support frame 10, and a second guide rail groove (not shown in the figure) adapted to the second guide rail 103 is formed at the bottom of the limit seat 403.

[0050] When the second push rod 504 acts in the reverse direction on the limit rod 401 to drive the limit piece 402 on one side of the bottom of the limit rod 401 to insert into the inside of the limit groove 404, the limit seat 403 slides along the second guide rail 103 under the action of force, and the first elastic member 406 is compressed by the force.

[0051] In one embodiment, the first elastic member 406 and the second elastic member 502 can be springs or metal elastic sheets, and there is no limitation here.

[0052] In the embodiment of the present invention, initially, the scriber 60 is located at one end of the upper part of the holding component 20. When a scratch test needs to be performed on the automotive interior trim panel, the automotive interior trim panel to be tested can be placed on the upper part of the holding component 20, and then the first driving component 30 drives the scriber 60 to move above the holding component 20, so that the scriber 60 moves from one end of the holding component 20 to the other end. During this process, the scriber 60 acts on the surface of the automotive interior trim panel to be tested, and then scratches the surface of the automotive interior trim panel to be tested. When the scriber 60 moves from one end of the holding component 20 to the other end, the second driving component 50 drives the holding component 20 to rotate a predetermined angle, thereby driving the automotive interior trim panel to rotate a predetermined angle. Subsequently, the first driving component 30 drives the scriber 60 to move in the reverse direction to realize the reset of the scriber 60. After the scriber 60 is reset, the first driving component 30 drives the scriber 60 to move from one end of the holding component 20 to the other end again, and the scriber 60 scratches the surface of the automotive interior trim panel again. Until the scriber 60 moves to the other end of the holding component 20 again, the second driving component 50 drives the holding component 20 to rotate a predetermined angle again, thereby driving the automotive interior trim panel to rotate a predetermined angle. This process is repeated in a cycle. When the holding component 20 drives the automotive interior trim panel to rotate 360°, the scriber 60 can scratch a number of scattered trajectories on the surface of the automotive interior trim panel. The scattered trajectories cover the entire surface of the automotive interior trim panel, thereby realizing the full scratching of the surface of the automotive interior trim panel to improve the anti-scratch test effect of the automotive interior trim panel. When the scriber 60 moves above the holding component 20 to scratch the surface of the automotive interior trim panel, the limiting component 40 limits the holding component 20, thereby preventing the holding component 20 from rotating and causing the automotive interior trim panel to rotate, so that the scriber 60 can stably scratch the surface of the automotive interior trim panel. Compared with the prior art, during the scratch test of the automotive interior trim panel, the relative position between the automotive interior trim panel and the scriber 60 can be automatically adjusted, so that the scriber 60 can scratch the entire surface of the automotive interior trim panel, thereby improving the anti-scratch test efficiency and the anti-scratch test effect of the automotive interior trim panel.

[0053] The above describes the preferred embodiments of the present invention in detail. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. An automobile interior panel scratch test device, characterized in that, It includes a support frame, a holding component, a first driving component, a limiting component, a second driving component and a scriber. The holding component is rotatably arranged at the inner bottom of the support frame and is used to provide support for the automotive interior trim panel to be tested. The scriber is arranged above the holding component, and the first driving component is arranged at the inner top of the support frame and is used to drive the scriber to reciprocate above the holding component to scratch the surface of the automotive interior trim panel to be tested. The second driving component is arranged on one side of the scriber. When the scriber moves from one end above the holding component to the other end, the second driving component drives the holding component to rotate a predetermined angle. The limiting component is arranged below the holding component. When the scriber moves above the holding component to scratch the surface of the automotive interior trim panel to be tested, the limiting component is used to limit the holding component. The first driving component includes a motor, a lead screw and a slide bar. The motor is fixedly installed on the inner wall of the support frame. One end of the lead screw is connected to the output end of the motor, and the other end passes through the slide bar and is in threaded cooperation with the slide bar. The scriber is fixedly arranged at the bottom of the slide bar. The holding component includes a holding plate and a rotating shaft. The rotating shaft is fixedly arranged at the bottom of the holding plate. The lower end of the rotating shaft is rotatably connected to the inner bottom wall of the support frame. A placement groove for the automotive interior trim panel to be embedded is formed on the upper surface of the holding plate. A plurality of push plates are fixedly arranged at the upper edge of the holding plate. The plurality of push plates are distributed at intervals in a ring shape. Each group of push plates is inclined with respect to the diameter of the holding plate. The second driving component includes a support rod, a second elastic member and a first push rod. The support rod is fixedly arranged on the side wall of the slide bar. The first push rod is hinged at the bottom of the support rod. One end of the second elastic member is connected to the support rod, and the other end is connected to the first push rod and is used to provide an elastic pulling force for the first push rod. A second push rod is also fixedly arranged at the bottom of the support rod. A plurality of notches are formed on the holding plate. The plurality of notches are distributed at intervals in a ring shape. The plurality of notches are located between the placement groove and the plurality of push plates. A support seat is fixedly arranged on the inner bottom wall of the support frame. The limiting component includes a limiting rod, a limiting piece and a limiting seat. A plurality of groups of limiting rods are provided corresponding to the notches one by one. Each group of limiting rods vertically passes through the holding plate from the corresponding notch. The side wall of each group of limiting rods is rotatably connected to the inner wall of the corresponding notch through a pin rod. A group of limiting pieces are fixedly arranged on one side of the bottom of each group of limiting rods. The limiting seat is slidably installed on the inner bottom wall of the support frame. A limiting groove for the limiting piece to be inserted is formed on the limiting seat. One side of the limiting seat is connected to the support seat through a first elastic member, and the first elastic member is used to provide elastic support for the limiting seat.

2. The scratch test device for an automotive interior panel according to claim 1, wherein, A first guide rail is fixedly arranged on the inner top wall of the support frame. A first guide rail groove adapted to the first guide rail is formed at the upper end of the slide bar.

3. The scratch test equipment for an automotive interior panel according to claim 1, characterized in that, A retaining seat is arranged on a side of the limiting seat away from the first elastic member, and the retaining seat is fixedly installed on the inner bottom wall of the support frame.

4. The scratch test device for an automotive interior panel according to claim 1, wherein, A second guide rail is fixedly arranged on the inner bottom wall of the support frame, and a second guide rail groove adapted to the second guide rail is formed at the bottom of the limiting seat.

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