Scratch test equipment for automotive trim panel

Abstract

The invention provides an automobile interior trim panel scratch test device, and belongs to the technical field of automobile interior trim panel performance detection.The automobile interior trim panel scratch test device comprises a supporting frame, a containing assembly, a first driving assembly, a limiting assembly, a second driving assembly and a scratch awl, and the containing assembly is rotationally arranged at the bottom of the inner side of the supporting frame; the containing assembly is arranged on the supporting frame and used for providing support for the automobile interior trim panel to be tested, the marking pin is arranged above the containing assembly, and the first driving assembly is arranged on the top of the inner side of the supporting frame and used for driving the marking pin to move in a reciprocating mode along the upper portion of the containing assembly so that the surface of the automobile interior trim panel to be tested can be marked. Compared with the prior art, the embodiment of the invention has the advantages that when the scratch test of the automotive trim panel is carried out, the relative position between the automotive trim panel and the scriber can be automatically adjusted, so that the scriber can comprehensively scribe the surface of the automotive trim panel; therefore, the anti-scratch test efficiency and the anti-scratch test effect of the automotive trim panel are improved.

Description

Technical Field

[0001] The invention belongs to the technical field of automobile interior trim panel performance detection, in particular to an automobile interior trim panel scratch test device. Background Art

[0002] At present, automobile interior panels are required to undergo relevant performance tests before being put into use, and only automobile interior panels that pass the tests can be used.

[0003] In the prior art, the scratch resistance test for automobile interior panels is mostly carried out by using a driving mechanism to move a scratching needle so that the scratching needle is scratched on the surface of the automobile interior panel. By observing whether the scratching needle can leave scratches on the surface of the automobile interior panel and judging the morphology of the scratches, the scratch resistance of the automobile interior panel is judged. However, this scratch resistance test method for automobile interior panels is relatively traditional. The trajectory of the scratching needle when the driving mechanism controls the movement of the scratching needle is a single linear structure, which causes the scratching trajectory of the scratching needle on the surface of the automobile interior panel to also be a single linear structure. In order to obtain more comprehensive scratch resistance data on the surface of the automobile interior panel, it is necessary to manually adjust the relative position between the automobile interior panel and the scratching needle continuously, resulting in a relatively low efficiency in the scratch resistance test of the automobile interior panel. Summary of the invention

[0004] In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the embodiments of the present invention is to provide a scratch test device for automobile interior trim panels.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: A scratch test device for automobile interior panels comprises a support frame, a containing assembly, a first driving assembly, a limiting assembly, a second driving assembly and a scratching needle. The containing assembly is rotatably disposed at the inner bottom of the supporting frame to provide support for the automobile interior panel to be tested. The scratching needle is arranged above the containing assembly, and the first driving assembly is arranged on the inner top of the supporting frame, and is used to drive the scratching needle to move back and forth along the top of the containing assembly to scratch the surface of the automobile interior panel to be tested. The second driving assembly is arranged on one side of the stylus. When the stylus moves from one end above the containing assembly to the other end, the second driving assembly drives the containing assembly to rotate by a predetermined angle. The limiting assembly is arranged below the containing assembly, and is used to limit the containing assembly when the scratching needle moves along the top of the containing assembly to scratch the surface of the automobile interior trim panel to be tested.

[0006] As a further improvement of the present invention: the first driving assembly includes a motor, a screw rod and a slide rod, The motor is fixedly mounted 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 cooperates with the slide bar thread, and the marking needle is fixedly arranged at the bottom of the slide bar.

[0007] As a further improvement of the present invention: a first guide rail is fixedly provided on the inner top wall of the support frame, and a first guide rail groove matched with the first guide rail is formed at the upper end of the slide rod.

[0008] As a further improvement of the present invention: the holding assembly includes a holding plate and a rotating shaft, The rotating shaft is fixedly arranged at the bottom of the containing tray, the lower end of the rotating shaft is rotatably connected to the inner bottom wall of the supporting frame, and the upper surface of the containing tray is provided with a placement groove for embedding the automobile interior trim panel.

[0009] As a further improvement of the present invention: a plurality of push plates are fixedly arranged on the upper edge of the holding tray, the plurality of push plates are distributed in a ring-shaped manner, and each group of push plates is arranged at an inclination relative to the diameter of the holding tray. The second driving assembly 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 sliding rod, the first push rod is hingedly arranged 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 pulling force to the first push rod.

[0010] As a further improvement of the present invention: a second push rod is fixedly arranged at the bottom of the support rod, a plurality of notches are opened on the holding plate, the plurality of notches are distributed in an annular manner, the plurality of notches are located between the placement groove and the plurality of push plates, and a support seat is fixedly arranged on the inner bottom wall of the support frame. The limiting assembly includes a limiting rod, a limiting sheet and a limiting seat. The limiting rods are provided in a one-to-one correspondence with the notches, and each group of limiting rods vertically passes through the containing plate from the corresponding notches, and the side walls of each group of limiting rods are rotatably connected to the inner walls of the corresponding notches through pins, and a group of limiting plates are fixedly provided on one side of the bottom of each group of limiting rods. The limit seat is slidably mounted on the inner bottom wall of the support frame, and a limit groove is provided on the limit seat for the limit plate to be inserted. One side of the limit 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 limit seat.

[0011] As a further improvement of the present invention: a stopper is provided on a side of the limiting seat away from the first elastic member, and the stopper is fixedly mounted on the inner bottom wall of the supporting frame.

[0012] As a further improvement of the present invention: a second guide rail is fixedly provided on the inner bottom wall of the support frame, and a second guide rail groove adapted to the second guide rail is provided at the bottom of the limit seat.

[0013] Compared with the prior art, the present invention has the following beneficial effects: In the embodiment of the present invention, initially, the scribing needle is located at one end of the upper part of the holding component. When it is necessary to perform a scratch test on the automobile interior panel, the automobile interior panel to be tested can be placed on the upper part of the holding component, and then the first driving component is used to drive the scribing needle to move along the upper part of the holding component, so that the scribing needle moves from one end of the holding component to the other end. In this process, the scribing needle acts on the surface of the automobile interior panel to be tested, and then scratches the surface of the automobile interior panel to be tested. When the scribing needle moves from one end of the holding component to the other end, the second driving component drives the holding component to rotate a predetermined angle, and then drives the automobile interior panel to rotate a predetermined angle. Subsequently, the first driving component drives the scribing needle to move in the opposite direction to achieve the resetting of the scribing needle. After the resetting of the scribing needle, the first driving component again drives the scribing needle to move from one end of the holding component to the other end, and the scribing needle again scratches the surface of the automobile interior panel until the scribing needle moves to the other end of the holding component again, and then the second driving component drives the holding component to rotate a predetermined angle again. And drive the automobile interior panel to rotate a predetermined angle, and repeat this cycle. When the holding component drives the automobile interior panel to rotate 360°, the scribing needle can scratch a number of scattered tracks compared to the surface of the automobile interior panel. The scattered tracks cover the entire surface of the automobile interior panel, thereby achieving comprehensive scratching of the surface of the automobile interior panel, so as to improve the anti-scratch test effect of the automobile interior panel; when the scribing needle moves along the top of the holding component to scratch the surface of the automobile interior panel, the holding component is limited by the limiting component, thereby preventing the holding component from rotating, causing the automobile interior panel to rotate, so that the scribing needle can stably scratch the surface of the automobile interior panel. Compared with the prior art, when conducting a scratch test on the automobile interior panel, the relative position between the automobile interior panel and the scribing needle can be automatically adjusted, so that the scribing needle can comprehensively scratch the surface of the automobile interior panel, thereby improving the anti-scratch test efficiency of the automobile interior panel and improving the anti-scratch test effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of the structure of a scratch test equipment for automobile interior panels Figure 1 ; Figure 2 A schematic diagram of the structure of a scratch test equipment for automobile interior panels Figure 2 ; Figure 3 for Figure 1 A magnified schematic diagram of the middle A area; Figure 4 for Figure 2 A magnified schematic diagram of the middle B area; In the figure: 10-support frame, 101-first guide rail, 102-support seat, 103-second guide rail, 20-holding assembly, 201-holding plate, 202-rotating shaft, 203-push plate, 204-placement slot, 205-notch, 30-first driving assembly, 301-motor, 302-screw rod, 303-sliding rod, 40-limiting assembly, 401-limiting rod, 402-limiting plate, 403-limiting seat, 404-limiting slot, 405-blocking 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-scratching needle. DETAILED DESCRIPTION

[0015] The technical solution of the present invention is further described in detail below in conjunction with specific implementation methods.

[0016] Embodiments of the present invention are described in detail below, examples of which 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 only used to explain the present invention, and cannot be understood as limiting the present invention.

[0017] See also Figure 1 as well as Figure 2 The present embodiment provides a scratch test device for automobile interior panels, comprising a support frame 10, a holding component 20, a first driving component 30, a limiting component 40, a second driving component 50 and a scribing needle 60. The holding component 20 is rotatably arranged at the inner bottom of the supporting frame 10 to provide support for the automobile interior panel to be tested. The scribing needle 60 is arranged above the holding component 20. The first driving component 30 is arranged at the inner top of the supporting frame 10 to drive the scribing needle 60 to reciprocate along the holding component 20 to scratch the surface of the automobile interior panel to be tested. The second driving component 50 is arranged on one side of the scribing needle 60. When the scribing needle 60 moves from one end above the holding component 20 to the other end, 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 scribing needle 60 moves along the holding component 20 to scratch the surface of the automobile interior panel to be tested, the limiting component 40 is used to limit the holding component 20.

[0018] Initially, the scratching needle 60 is located at one end of the upper part of the holding component 20. When a scratch test is required for the automobile interior panel, the automobile interior 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 scratching needle 60 to move along the upper part of the holding component 20, so that the scratching needle 60 moves from one end of the holding component 20 to the other end. During this process, the scratching needle 60 acts on the surface of the automobile interior panel to be tested, and then scratches the surface of the automobile interior panel to be tested. When the scratching needle 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 automobile interior panel to rotate a predetermined angle. Subsequently, the first driving component 30 drives the scratching needle 60 to move in the opposite direction to achieve the resetting of the scratching needle 60. After the scratching needle 60 is reset, the first driving component 30 drives the scratching needle 60 to move from one end of the holding component 20 to the other end again, and the scratching needle 60 is moved again The scratching needle 60 is scratched on the surface of the automobile interior panel for the second time until it moves to the other end of the containing assembly 20 again, and the second driving assembly 50 drives the containing assembly 20 to rotate a predetermined angle again, thereby driving the automobile interior panel to rotate a predetermined angle, and repeats this cycle. When the containing assembly 20 drives the automobile interior panel to rotate 360°, the scratching needle 60 can scratch a number of scattered tracks compared to the surface of the automobile interior panel, and the scattered tracks cover the entire surface of the automobile interior panel, thereby achieving comprehensive scratching of the surface of the automobile interior panel to improve the scratch resistance test effect of the automobile interior panel; when the scratching needle 60 moves along the top of the containing assembly 20 to scratch the surface of the automobile interior panel, the limiting assembly 40 is used to limit the containing assembly 20, thereby preventing the containing assembly 20 from rotating, causing the automobile interior panel to rotate, so that the scratching needle 60 can stably scratch the surface of the automobile interior panel.

[0019] See also Figure 1 as well as Figure 2 In one embodiment, the first driving component 30 includes a motor 301, a screw rod 302 and a sliding rod 303. The motor 301 is fixedly mounted on the inner wall of the support frame 10. One end of the screw rod 302 is connected to the output end of the motor 301, and the other end passes through the sliding rod 303 and is threadedly engaged with the sliding rod 303. The marking needle 60 is fixedly arranged at the bottom of the sliding rod 303.

[0020] When the automobile interior panel to be tested is placed on the upper part of the containing component 20, the motor 301 can be used to drive the screw rod 302 to rotate alternately forward and reverse. When the screw rod 302 rotates forward, it can drive the slide rod 303 to move along the length direction of the screw rod 302 by cooperating with the thread of the slide rod 303, and then drive the marking needle 60 to move along the top of the containing component 20. During this process, the marking needle 60 acts on the surface of the automobile interior panel to scratch the surface of the automobile interior panel. When the screw rod 302 rotates reversely, it can drive the slide rod 303 to move in the reverse direction of the length of the screw rod 302 by cooperating with the reverse thread of the slide rod 303, and then drive the marking needle 60 to move in the reverse direction along the top of the containing component 20, thereby realizing the resetting of the marking needle 60.

[0021] See also Figure 1 In one embodiment, a first guide rail 101 is fixedly provided 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 .

[0022] The upper end of the slide rod 303 slides with the first guide rail 101 through the first guide rail groove, so that when the motor 301 drives the screw rod 302 to rotate, the slide rod 303 can move smoothly along the length direction of the screw rod 302, thereby driving the scratching needle 60 to move smoothly, so as to stably scratch the surface of the automobile interior panel.

[0023] See also Figure 1 as well as Figure 2 In one embodiment, the containing assembly 20 includes a containing tray 201 and a rotating shaft 202. The rotating shaft 202 is fixedly disposed at the bottom of the containing tray 201. The lower end of the rotating shaft 202 is rotatably connected to the inner bottom wall of the supporting frame 10. The upper surface of the containing tray 201 is provided with a placement groove 204 for embedding the automobile interior trim panel.

[0024] The automobile interior panel to be tested is embedded into the placement groove 204, and then the motor 301 is used to drive the screw rod 302 to rotate alternately forward and reverse, thereby driving the scratching needle 60 to move back and forth above the placing plate 201. The scratching needle 60 acts on the surface of the automobile interior panel during the reciprocating movement to scratch the surface of the automobile interior panel.

[0025] Since the moving trajectory of the above-mentioned scribing needle 60 is a straight structure, when the scribing needle 60 is used to scratch the surface of the automobile interior panel, the automobile interior panel should be a planar structure. Based on this, the automobile interior panel mentioned in the present invention is actually a flat plate blank that has not been stamped. When the flat plate blank is embedded in the placement groove 204, the straight plate blank can be completely embedded in the placement groove 204, and then fully scratched by the scribing needle 60.

[0026] See also Figure 2 as well as Figure 4In one embodiment, a plurality of push plates 203 are fixedly provided on the upper edge of the holding tray 201, and the plurality of push plates 203 are distributed in a ring-shaped manner, and each group of push plates 203 is inclined relative to the diameter of the holding 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 provided on the side wall of the sliding rod 303, and the first push rod 503 is hingedly provided 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, so as to provide elastic pulling force to the first push rod 503.

[0027] The motor 301 drives the screw rod 302 to rotate forward, thereby driving the slide bar 303 and the marking needle 60 to move above the receiving tray 201. The slide bar 303 drives the support rod 501 and the first push rod 503 to move synchronously. When the marking needle 60 passes through the surface of the automobile interior panel, the first push rod 503 at the bottom of the support rod 501 acts on a group of push plates 203, thereby applying a thrust to the group of push plates 203. Since the push plates 203 are inclined compared to the diameter of the receiving tray 201, the push plates 203 transmit the thrust to the receiving tray 201 and the rotating shaft 202 when pushed. The rotating shaft 202 rotates a predetermined angle compared to the supporting frame 10, thereby driving the receiving tray 201 to rotate a predetermined angle. When the receiving tray 201 rotates a predetermined angle, it drives the upper placement groove 203 thereof. 04, the automobile interior panel rotates a predetermined angle. When the automobile interior panel rotates a predetermined angle, the motor 301 drives the screw rod 302 to rotate in the opposite direction, thereby driving the slide rod 303 and the marking needle 60 to move in the opposite direction. The slide rod 303 drives the support rod 501 and the first push rod 503 to move in the opposite direction. At this time, the first push rod 503 acts in the opposite direction on the subsequent group of push plates 203. At this time, the first push rod 503 rotates relative to the support rod 501 under the push of the subsequent group of push plates 203, and the second elastic member 502 is stretched by the force until the first push rod 503 passes over the subsequent group of push plates 203. Then, the second elastic member 502 pulls the first push rod 503 to make the first push rod 503 rotate in the opposite direction compared to the support rod 501, thereby realizing the reset of the first push rod 503.

[0028] See also Figure 2 , Figure 3 as well as Figure 4In one embodiment, a second push rod 504 is fixedly provided at the bottom of the support rod 501, a plurality of notches 205 are provided on the placing plate 201, and the plurality of notches 205 are distributed in an annular manner, and the plurality of notches 205 are located between the placing groove 204 and the plurality of push plates 203. A support seat 102 is fixedly provided on the inner bottom wall of the support frame 10, and the limiting assembly 40 includes a limiting rod 401, a limiting sheet 402 and a limiting seat 403. The limiting rod 401 is provided in a plurality of groups corresponding to the notches 205 one by one, and each group of the limiting rods 401 is provided from the corresponding notches 20 5 vertically passes through the receiving tray 201, and the side walls of each group of the limiting rods 401 are rotatably connected to the inner wall of the corresponding notch 205 through a pin rod (not shown in the figure), and a group of 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 installed on the inner bottom wall of the supporting frame 10, and a limiting groove 404 for inserting the limiting piece 402 is opened on the limiting seat 403. One side of the limiting seat 403 is connected to the supporting seat 102 through a first elastic member 406, and the first elastic member 406 is used to provide elastic support for the limiting seat 403.

[0029] 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.

[0030] 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 .

[0031] When the second push rod 504 acts on the limit rod 401 to make the limit plate 402 disengage from the limit groove 404, the blocking seat 405 is used to limit the sliding of the limit seat 403, thereby preventing the limit seat 403 from moving with the limit plate 402, thereby ensuring that the limit plate 402 can be smoothly disengaged from the limit groove 404, and then smoothly releasing the rotation restriction of the placing plate 201.

[0032] See also Figure 3 In one embodiment, a second guide rail 103 is fixedly provided 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 limiting seat 403 .

[0033] When the second push rod 504 acts in the opposite direction on the limiting rod 401 to drive the limiting piece 402 at the bottom side of the limiting rod 401 to be inserted into the limiting groove 404, the limiting seat 403 is forced to slide along the second guide rail 103, and the first elastic member 406 is compressed.

[0034] In one embodiment, the first elastic member 406 and the second elastic member 502 may be springs or metal springs, which are not limited herein.

[0035] In the embodiment of the present invention, initially, the scratching needle 60 is located at one end of the upper part of the holding component 20. When a scratch test is required on the automobile interior panel, the automobile interior 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 scratching needle 60 to move along the upper part of the holding component 20, so that the scratching needle 60 moves from one end of the holding component 20 to the other end. In this process, the scratching needle 60 acts on the surface of the automobile interior panel to be tested, and then scratches the surface of the automobile interior panel to be tested. When the scratching needle 60 is moved from the holding component 20 to the upper part of the holding component 20, the scratching needle 60 is moved from the holding component 20 to the upper part of the holding component 20. When the first driving assembly 30 moves from one end of the holding assembly 20 to the other end, the second driving assembly 50 drives the holding assembly 20 to rotate by a predetermined angle, thereby driving the automobile interior panel to rotate by a predetermined angle. Subsequently, the first driving assembly 30 drives the marking needle 60 to move in the opposite direction to reset the marking needle 60. After the marking needle 60 is reset, the first driving assembly 30 drives the marking needle 60 to move from one end of the holding assembly 20 to the other end again, and the marking needle 60 again scratches the surface of the automobile interior panel until the marking needle 60 moves to the other end of the holding assembly 20 again. The holding component 20 is driven to rotate a predetermined angle, thereby driving the automobile interior panel to rotate a predetermined angle, and this reciprocating cycle is repeated. When the holding component 20 drives the automobile interior panel to rotate 360°, the scribing needle 60 can scratch a number of scattered tracks compared to the surface of the automobile interior panel, and the scattered tracks cover the entire surface of the automobile interior panel, thereby achieving comprehensive scratching of the surface of the automobile interior panel, so as to improve the anti-scratch test effect of the automobile interior panel; when the scribing needle 60 moves along the top of the holding component 20 to scratch the surface of the automobile interior panel, the holding component 20 is limited by the limiting component 40, thereby preventing the holding component 20 from rotating, causing the automobile interior panel to rotate, so that the scribing needle 60 can stably scratch the surface of the automobile interior panel. Compared with the prior art, when performing a scratch test on the automobile interior panel, the relative position between the automobile interior panel and the scribing needle 60 can be automatically adjusted, so that the scribing needle 60 can comprehensively scratch the surface of the automobile interior panel, thereby improving the anti-scratch test efficiency of the automobile interior panel and improving the anti-scratch test effect.

[0036] The preferred embodiments of the present invention are described in detail above, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention.

Claims

1. A scratch test equipment for automobile interior panels, characterized in that: It includes a supporting frame, a containing assembly, a first driving assembly, a limiting assembly, a second driving assembly and a marking needle. The containing assembly is rotatably disposed at the inner bottom of the supporting frame to provide support for the automobile interior panel to be tested. The scratching needle is arranged above the containing assembly, and the first driving assembly is arranged on the inner top of the supporting frame, and is used to drive the scratching needle to move back and forth along the top of the containing assembly to scratch the surface of the automobile interior panel to be tested. The second driving assembly is arranged on one side of the stylus. When the stylus moves from one end above the containing assembly to the other end, the second driving assembly drives the containing assembly to rotate by a predetermined angle. The limiting assembly is arranged below the containing assembly, and is used to limit the containing assembly when the scratching needle moves along the top of the containing assembly to scratch the surface of the automobile interior trim panel to be tested.

2. The scratch test equipment for automobile interior panels according to claim 1, characterized in that: The first driving assembly includes a motor, a lead screw and a slide rod. The motor is fixedly mounted 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 cooperates with the slide bar thread, and the marking needle is fixedly arranged at the bottom of the slide bar.

3. The scratch test equipment for automobile interior panels according to claim 2, characterized in that: A first guide rail is fixedly arranged on the inner top wall of the support frame, and a first guide rail groove matched with the first guide rail is opened at the upper end of the slide bar.

4. The scratch test equipment for automobile interior panels according to claim 2, characterized in that: The containing assembly comprises a containing plate and a rotating shaft. The rotating shaft is fixedly arranged at the bottom of the containing tray, the lower end of the rotating shaft is rotatably connected to the inner bottom wall of the supporting frame, and the upper surface of the containing tray is provided with a placement groove for embedding the automobile interior trim panel.

5. The scratch test equipment for automobile interior panels according to claim 4, characterized in that: A plurality of push plates are fixedly arranged on the upper edge of the holding tray, and the push plates are distributed in a ring-shaped manner, and each group of push plates is inclined relative to the diameter of the holding tray. The second driving assembly 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 sliding rod, the first push rod is hingedly arranged 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 pulling force to the first push rod.

6. The automotive interior panel scratch test equipment according to claim 5, characterized in that: A second push rod is fixedly arranged at the bottom of the support rod, a plurality of notches are provided on the holding plate, the notches are distributed in an annular pattern, the notches are located between the placement groove and the push plates, and a support seat is fixedly arranged on the inner bottom wall of the support frame. The limiting assembly includes a limiting rod, a limiting sheet and a limiting seat. The limiting rods are provided in a one-to-one correspondence with the notches, and each group of limiting rods vertically passes through the containing plate from the corresponding notches, and the side walls of each group of limiting rods are rotatably connected to the inner walls of the corresponding notches through pins, and a group of limiting plates are fixedly provided on one side of the bottom of each group of limiting rods. The limit seat is slidably mounted on the inner bottom wall of the support frame, and a limit groove is provided on the limit seat for the limit plate to be inserted. One side of the limit 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 limit seat.

7. The automobile interior panel scratch test equipment according to claim 6, characterized in that: A stopper is provided on a side of the limiting seat away from the first elastic member, and the stopper is fixedly mounted on the inner bottom wall of the supporting frame.

8. The automobile interior panel scratch test equipment according to claim 6, characterized in that: A second guide rail is fixedly arranged on the inner bottom wall of the support frame, and a second guide rail groove matched with the second guide rail is opened at the bottom of the limit seat.

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