Thermal oxygen aging detection device for automobile interior and exterior

Abstract

The present application relates to a thermal oxygen aging detection device for automobile interior and exterior decoration, which belongs to the field of thermal oxygen aging detection. It includes a detection cabinet, an electronic weighing device fixed in the detection cabinet, and two threaded tubes respectively rotatably installed on the inner sides of the detection cabinet, wherein a threaded shaft is connected to the inner thread of the threaded tube; a connecting tube is rotatably installed at one end of the threaded shaft away from the threaded tube; a pressure strip is fixed at one end of the connecting tube away from the threaded tube; both sides of the pressure strip are respectively connected to the inner wall of the detection cabinet by sliding; two sets of braking mechanisms are arranged on the pressure strip for driving the pressure strip to stop moving after contacting with the sample; a driving mechanism for driving the threaded tube to rotate is arranged on the outer side of the detection cabinet. The present application has the effect of improving the shaking and displacement of the sample during the detection process.

Description

Technical Field

[0001] The present application relates to the field of thermal oxygen aging detection, and in particular to a thermal oxygen aging detection device for automobile interior and exterior decoration. Background Art

[0002] At present, the natural environment is usually simulated through an aging chamber to test the anti-aging degree of automobile interior and exterior decoration.

[0003] For related technologies, reference may be made to the Chinese utility model patent with authorization announcement number CN208607132U, which discloses a device for testing the anti-ultraviolet aging performance of automotive interior decoration parts, including a testing cabinet, a test cover, a storage seat and a lifting chamber. A lifting chamber is installed on the top of the testing cabinet, a chlorine storage chamber is installed on the bottom surface of the testing cabinet, and a test cover is installed on the top surface of the testing cabinet, a storage seat is installed on the inner bottom surface of the test cover, an electric turntable is installed on the top surface of the storage seat, and the rotating end of the electric turntable is arranged on the top of the storage seat through a corrosion-resistant plate, fluorescent lamps are installed on both sides of the test cover, ultraviolet lamps are installed at both ends of the test cover, and nozzles are installed on both sides of the top of the storage seat.

[0004] With respect to the above-mentioned related technologies, the inventors believe that during the thermal oxygen aging test, if the outside world touches the test cabinet, the sample will shake and shift, resulting in unnecessary variables in the test results, thus causing the test results to deviate. Summary of the invention

[0005] In order to improve the problem of sample shaking and displacement that is prone to occur during the detection process, the present application provides a thermal oxygen aging detection device for automobile interior and exterior decoration.

[0006] The thermal oxygen aging detection device for automobile interior and exterior decoration provided in this application adopts the following technical solution:

[0007] The thermal oxygen aging detection device for automobile interior and exterior decoration comprises a detection cabinet, an electronic weighing device fixed in the detection cabinet, and two threaded tubes rotatably installed on the opposite inner sides of the detection cabinet, wherein the inner threads of the threaded tubes are connected with threaded shafts; the threaded shafts are rotatably connected with a pressure strip at one end away from the threaded tubes; the two sides of the pressure strips are respectively slidably connected with the inner wall of the detection cabinet; the pressure strips are provided with two sets of braking mechanisms for driving the pressure strips to stop moving after abutting against the sample; and the outer side of the detection cabinet is provided with a driving mechanism for driving the threaded tubes to rotate.

[0008] By adopting the above technical solution, during the sample testing process, the two pressure strips located on both sides of the sample provide a limit for the sample, reducing the possibility of shaking and shifting of the sample during the testing process, reducing unnecessary variables in the testing process, and thus improving the testing accuracy.

[0009] Optionally, the braking mechanism includes a limit piece that is slidably connected to the pressure strip along the radial direction of the threaded shaft and a pressing piece that is slidably connected to the pressure strip along the axial direction of the threaded shaft; a circular hole for passing the threaded shaft is opened on the side of the pressure strip close to the threaded tube; a first slide groove is opened on both sides of the circular hole, and the pressure strip is slidably connected to the limit piece through the first slide groove; two limit grooves are opened on the outer peripheral surface of the threaded shaft, and the limit piece is used to be plugged into the threaded shaft through the limit groove; two second slide grooves are opened on the side of the pressure strip away from the threaded tube, and the pressure strip is slidably connected to the pressing piece along the axial direction of the threaded shaft through the second slide groove; a limit plate for limiting the sample is fixed on the side of the pressing piece away from the threaded tube; a matching groove is opened on the side of the pressing piece close to the threaded tube; a matching piece for plugging into the matching groove is fixed on the side of the limit piece away from the threaded tube; a first inclined surface is opened on the relative inner sides of the matching piece and the matching groove.

[0010] By adopting the above technical solution, when the pressing piece contacts the sample, the pressing piece will move toward the threaded tube, and the pressing piece will press the matching piece through the matching groove, thereby pushing the limiting piece to move away from the threaded shaft. After the limiting piece is separated from the threaded shaft, the threaded shaft is separated from the limiting piece, so that the threaded shaft is no longer matched with the threaded tube; thus, the threaded shaft stops moving. The contact between the pressing piece and the sample triggers the stoppage of the pressure strip, which reduces the possibility of the pressure strip over-extruding the sample and causing the sample to deform, thereby improving the test accuracy of the sample.

[0011] Optionally, a first guide piece is fixed to the side of the limit member close to the threaded tube, a first guide groove is opened to the side of the first slide groove close to the threaded tube, and the first guide piece is slidably connected to the pressure strip along the radial direction of the threaded axis through the first guide groove.

[0012] By adopting the above technical solution, the first guide groove provides a guiding function for the first guide plate, thereby reducing the possibility that the limiting member deviates from the track during the radial movement of the threaded shaft.

[0013] Optionally, a first spring is fixed to a side of the first guide piece away from the threaded shaft, and an end of the first spring away from the first guide piece is fixedly connected to the pressure strip via a first guide groove.

[0014] By adopting the above technical solution, the first spring provides elastic force for the first guide piece to move toward the side close to the threaded shaft, so that the first guide piece is driven to reset toward the side close to the threaded shaft by the first spring.

[0015] Optionally, second guide plates are fixed to the relative outer sides of the two pressing members, a second guide groove is fixed to the side wall of the second sliding groove away from the threaded shaft, and the second guide plate is axially slidable in the second guide groove along the threaded shaft.

[0016] By adopting the above technical solution, the second guide groove provides a guiding function for the second guide plate, thereby reducing the possibility of the pressing member deviating from the track during the axial movement of the threaded shaft.

[0017] Optionally, a second spring is fixed to a side of the second guide piece close to the threaded tube, and an end of the second spring away from the second guide piece is fixedly connected to the pressure strip via a second guide groove.

[0018] By adopting the above technical solution, when the pressing piece contacts the sample, the second spring is in a compressed state, and the second spring provides elastic force for the pressing piece to return to the side close to the sample.

[0019] Optionally, the driving mechanism includes driven wheels respectively fixed to the relatively outer sides of two threaded tubes, a support frame fixed to the outer wall of the detection cabinet, and a motor fixed to the top of the support frame, and two driving wheels are fixed to the output end of the motor; the two driving wheels are fixedly connected, and two groups of transmission components are provided on the outer wall of the detection cabinet, and the transmission components include two support members fixed to the outer wall of the detection cabinet and transmission wheels rotatably installed on the ends of the two support members; the outer circumferences of the driving wheel, the driven wheel and the transmission wheel are sleeved with conveyor belts.

[0020] By adopting the above technical solution, the motor provides power for the rotation of the driving wheel, and the driving wheel drives the driven wheel to rotate through the transmission wheel. The transmission wheel is used to turn the conveyor belt. A single motor drives the two driven wheels to rotate, and then drives the two threaded tubes to rotate, thereby improving the use efficiency of the motor.

[0021] Optionally, a mounting hole is provided on the side wall of the detection cabinet, and the detection cabinet is connected to a lamp holder through the mounting hole in a vertical sliding manner, and a detection lamp for irradiating the sample is fixed on the side of the lamp holder away from the motor; the lamp holder is rotatably connected to a first connecting rod on the side close to the motor, a second connecting rod is hinged on the end of the first connecting rod, an eccentric shaft is vertically fixed to the end of the second connecting rod away from the first connecting rod, and the eccentric shaft is fixed to the side of the driving wheel away from the motor at one end away from the second connecting rod.

[0022] By adopting the above technical solution, by setting up an active wheel with an eccentric wheel effect, and driving the lamp holder to make vertical reciprocating motion through the first connecting rod and the second connecting rod, it is convenient for the detection lamp to illuminate the sample vertically, and it is convenient for samples with higher heights to be covered by the illumination of the detection lamp.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. During the sample testing process, the two pressure strips on both sides of the sample provide a limit for the sample, reducing the possibility of shaking and shifting of the sample during the test, reducing unnecessary variables during the test, and thus improving the test accuracy;

[0025] 2. When the pressing piece contacts the sample, it moves toward the threaded tube. The pressing piece presses the mating piece through the mating groove, thereby pushing the limiting piece to move away from the threaded shaft. After the limiting piece separates from the threaded shaft, the threaded shaft is separated from the limiting piece, so that the threaded shaft no longer matches the threaded tube, and then the threaded shaft stops moving. The contact between the pressing piece and the sample triggers the stoppage of the pressure strip, which reduces the possibility of the pressure strip over-squeezing the sample and causing the sample to deform, thereby improving the test accuracy of the sample;

[0026] 3. By setting a driving wheel with an eccentric wheel effect and driving the lamp holder to make vertical reciprocating motion through the first connecting rod and the second connecting rod, it is convenient for the detection lamp to illuminate the sample vertically, so that samples with higher heights can be covered by the detection lamp. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the structure of the thermal oxygen aging detection device according to an embodiment of the present application.

[0028] Figure 2 It is a partial cross-sectional view of the thermal oxygen aging detection device according to an embodiment of the present application.

[0029] Figure 3 yes Figure 2 A magnified schematic diagram of center A.

[0030] Figure 4 yes Figure 1 A magnified schematic diagram of point B in the middle.

[0031] Explanation of the accompanying drawings: 1. detection cabinet; 11. mounting hole; 12. lamp holder; 13. detection lamp; 14. first connecting rod; 15. second connecting rod; 16. eccentric shaft; 2. fixing mechanism; 21. threaded tube; 22. threaded shaft; 3. pressure strip; 31. circular hole; 32. first slide groove; 33. limiting member; 34. limiting groove; 35. first guide plate; 36. first guide groove; 37. first spring; 4. pressing member; 41. second slide groove; 42. limiting plate; 43. matching groove; 44. matching member; 45. first inclined surface; 46. second guide plate; 47. second guide groove; 5. driving mechanism; 51. driven wheel; 52. support frame; 53. motor; 54. driving wheel; 6. transmission assembly; 61. support member; 62. transmission wheel; 63. conveyor belt; 64. second spring; 65. electronic weighing device. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-4 This application is described in further detail.

[0033] The present application discloses a thermal oxygen aging detection device for automobile interior and exterior decoration. Figure 1 and Figure 2The thermal oxygen aging detection device for automobile interior and exterior decoration includes a detection cabinet 1, an electronic weighing device 65 fixed in the detection cabinet 1, and a fixing mechanism 2 arranged in the detection cabinet 1 for fixing the sample. The fixing mechanism 2 includes two threaded tubes 21 rotatably mounted on the relatively inner sides of the detection cabinet 1, and the threaded tubes 21 are provided with internal threads; the threaded tubes 21 are connected to the threaded shaft 22. The threaded shaft 22 is rotatably connected to a pressure strip 3 at one end away from the threaded tube 21; the two sides of the pressure strip 3 are respectively slidably connected to the inner wall of the detection cabinet 1. The pressure strip 3 is limited by the detection cabinet 1 so that the pressure strip 3 can only move along the length direction of the detection cabinet 1; the threaded tube 21 and the threaded shaft 22 cooperate to provide the power for the pressure strip 3 to move, and the pressure strip 3 is pushed to move by the threaded shaft 22, and the sample is pressed and limited by the two pressure strips 3 on both sides of the sample; the possibility of shaking of the sample during the thermal oxygen aging detection is reduced.

[0034] Reference Figure 2 and Figure 3 , a circular hole 31 for passing the threaded shaft 22 is provided on the side of the pressure strip 3 close to the threaded tube 21. First slide grooves 32 are provided on both sides of the circular hole 31, and the pressure strip 3 is slidably connected to the limiting member 33 through the first slide grooves 32. Two limiting grooves 34 are provided on the outer peripheral surface of the threaded shaft 22 in the radial direction of the threaded shaft 22, and the limiting member 33 is used to be plugged into the threaded shaft 22 through the limiting grooves 34. After the limiting member 33 is plugged into the limiting grooves 34 on the threaded shaft 22, the limiting member 33 will provide a limit for the threaded shaft 22, so that the threaded shaft 22 can drive the pressure strip 3 to move during the process of threaded connection between the threaded shaft 22 and the threaded tube 21. A first guide piece 35 is fixed on the side of the limiting member 33 close to the threaded tube 21, and a first guide groove 36 is provided on the side of the first slide groove 32 close to the threaded tube 21. The first guide piece 35 is slidably connected to the pressure strip 3 along the radial direction of the threaded shaft 22 through the first guide groove 36. The first guide groove 36 provides a guiding function for the first guide piece 35, reducing the possibility that the limiting member 33 deviates from the length direction of the pressure strip 3 during the movement along the length direction of the pressure strip 3. A first spring 37 is fixed to the side of the first guide piece 35 away from the threaded shaft 22, and the end of the first spring 37 away from the first guide piece 35 is fixedly connected to the pressure strip 3 through the first guide groove 36. The first spring 37 provides an elastic force for the first guide piece 35 to approach the threaded shaft 22, so that the limiting member 33 can be reset by providing an elastic force for the first guide piece 35 to approach the threaded shaft 22 through the first spring 37.

[0035] Reference Figure 2 and Figure 3, the press strip 3 is provided with two second chute grooves 41 on the side away from the threaded tube 21, and the second chute grooves 41 are connected with the first chute groove 32; the press strip 3 is connected with a pressing piece 4 by sliding along the axial direction of the threaded shaft 22 through the second chute grooves 41; the pressing piece 4 is fixed with a limiting piece 42 for limiting the sample on the side away from the threaded tube 21. The pressing piece 4 is provided with a matching groove 43 on the side close to the threaded tube 21; the limiting piece 33 is fixed with a matching piece 44 for plugging with the matching groove 43 on the side away from the threaded tube 21. The matching piece 44 and the matching groove 43 are provided with a first inclined surface 45 on the opposite inner sides. The two pressing pieces 4 are respectively fixed with second guide pieces 46 on the opposite outer sides, and the side wall of the second chute 41 is fixed with a second guide groove 47 on the side away from the threaded shaft 22. The second guide piece 46 is connected with the press strip 3 by sliding along the axial direction of the threaded shaft 22 through the second guide groove 47. The second guide groove 47 provides a guiding function for the second guide piece 46, thereby reducing the possibility of the press piece 4 deviating from the track during the movement of the press strip 3 along the length direction. A second spring 64 is fixed to a side of the second guide piece 46 close to the threaded tube 21 , and an end of the second spring 64 away from the second guide piece 46 is fixedly connected to the pressure strip 3 through a second guide groove 47 .

[0036] Reference Figure 2 and Figure 3 , a driving mechanism 5 for driving the threaded tube 21 to rotate is arranged on the outer side of the detection cabinet 1. The driving mechanism 5 includes driven wheels 51 respectively fixed to the opposite outer sides of the two threaded tubes 21, a support frame 52 fixed to the outer wall of the detection cabinet 1, and a motor 53 fixed to the top of the support frame 52, and two driving wheels 54 are fixed to the output end of the motor 53; the two driving wheels 54 are fixedly connected, and the axes of the two driving wheels 54 are collinear. Two sets of transmission components 6 are arranged on the outer wall of the detection cabinet 1, and the transmission components 6 include two support members 61 fixed to the outer wall of the detection cabinet 1 and transmission wheels 62 respectively rotatably mounted on the ends of the two support members 61; a conveyor belt 63 is sleeved on the outer circumference of the driving wheel 54, the driven wheel 51 and the transmission wheel 62; the conveyor belt 63 starts from the driving wheel 54, passes through a transmission wheel 62 in the transmission component 6, and reaches the driven wheel 51, and returns to the driving wheel 54 through another transmission wheel 62 of the transmission component 6. The motor 53 provides power for the rotation of the two driving wheels 54; the transmission wheel 62 is used to turn the conveyor belt 63, so that the driving wheel 54 drives the transmission wheel 62 to rotate through the conveyor belt 63, and the two transmission wheels 62 rotate in the same direction.

[0037] Reference Figure 1 and Figure 4The side wall of the detection cabinet 1 is provided with a mounting hole 11, and the detection cabinet 1 is connected to a lamp holder 12 by sliding vertically through the mounting hole 11. A detection lamp 13 for irradiating the sample is fixed on the side of the lamp holder 12 away from the motor 53. The lamp holder 12 is rotatably connected to the side close to the motor 53. A second connecting rod 15 is hinged at the end of the first connecting rod 14. An eccentric shaft 16 is vertically fixed to the end of the second connecting rod 15 away from the first connecting rod 14. The end of the eccentric shaft 16 away from the second connecting rod 15 is fixed to the side of the driving wheel 54 away from the motor 53. The driving wheel 54 drives the second connecting rod 15 to perform eccentric motion through the eccentric shaft 16, thereby driving the lamp holder 12 to perform vertical reciprocating motion through the first connecting rod 14.

[0038] The implementation principle of the thermal oxygen aging detection device for automobile interior and exterior decoration in the embodiment of the present application is:

[0039] The thermal oxygen aging test is carried out by the lamp holder 12 driving the test lamp 13 to move up and down in the vertical direction. The test lamp 13 irradiates the sample during the movement, and weighs the sample at the beginning and after the experiment, so as to evaluate the aging degree of the sample.

[0040] The motor 53 drives the driving wheel 54 to rotate, and the driving wheel 54 drives the second connecting rod 15 to perform vertical reciprocating motion, and drives the lamp holder 12 to move vertically through the first connecting rod 14 .

[0041] The driving wheel 54 drives the two driven wheels 51 to rotate through the conveyor belt 63, and the driven wheel 51 drives the threaded tube 21 to rotate; because the threaded shaft 22 is plugged into the limiting member 33 at this time, the threaded shaft 22 is in a limited state, and the threaded shaft 22 moves toward the side close to the sample during the process of being screwed with the threaded tube 21, thereby driving the pressure strip 3 to move toward the side close to the sample.

[0042] After the pressure strip 3 contacts the sample, the pressing member 4 is pressed and moves toward the side close to the threaded tube 21. The pressing member 4 presses the fitting member 44 through the fitting groove 43 and pushes the fitting member 44 to move away from the threaded shaft 22, so that the limiting member 33 is separated from the threaded shaft 22. After the threaded shaft 22 loses its limiting function, it starts to rotate with the threaded tube 21, and the pressure strip 3 stops moving.

[0043] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A thermal oxygen aging detection device for automobile interior and exterior decoration, comprising a detection cabinet (1) and an electronic weighing device (65) fixed in the detection cabinet (1), characterized in that: The apparatus further comprises two threaded tubes (21) which are rotatably mounted on opposite inner sides of the detection cabinet (1), wherein the threaded tubes (21) are internally threadedly connected to a threaded shaft (22); the threaded shaft (22) is rotatably connected to a pressure strip (3) at one end away from the threaded tube (21); both sides of the pressure strip (3) are respectively slidably connected to the inner wall of the detection cabinet (1); the pressure strip (3) is provided with two sets of braking mechanisms for driving the pressure strip (3) to stop moving after contacting the sample, the braking mechanisms comprising a limiting member (33) slidably connected to the pressure strip (3) along the radial direction of the threaded shaft (22) and a pressing member (4) slidably connected to the pressure strip (3) along the axial direction of the threaded shaft (22); The pressure strip (3) is provided with a circular hole (31) for passing the threaded shaft (22) on the side close to the threaded tube (21); first sliding grooves (32) are respectively provided on both sides of the circular hole (31), and the pressure strip (3) is slidably connected with the limiting member (33) through the first sliding grooves (32); two limiting grooves (34) are provided on the outer peripheral surface of the threaded shaft (22), and the limiting member (33) is used to be plugged with the threaded shaft (22) through the limiting grooves (34); two second sliding grooves (41) are provided on the side away from the threaded tube (21), and the pressure strip (3) is connected to the pressing member (41) along the axial direction of the threaded shaft (22) through the second sliding grooves (41). ) sliding connection; a limiting piece (42) for limiting the position of the sample is fixed on the side of the pressing piece (4) away from the threaded tube (21); a matching groove (43) is provided on the side of the pressing piece (4) close to the threaded tube (21); a matching piece (44) for plugging into the matching groove (43) is fixed on the side of the limiting piece (33) away from the threaded tube (21); a first inclined surface (45) is provided on the opposite inner sides of the matching piece (44) and the matching groove (43); a driving mechanism for driving the threaded tube (21) to rotate is provided on the outer side of the detection cabinet (1), and the driving mechanism (5) includes two screws respectively fixed to the opposite outer sides of the two threaded tubes (21); The invention relates to a detection cabinet (1) having a driven wheel (51) on one side, a support frame (52) fixed to the outer wall of the detection cabinet (1), and a motor (53) fixed to the top of the support frame (52); two driving wheels (54) are fixed to the output end of the motor (53); the two driving wheels (54) are fixedly connected; the outer wall of the detection cabinet (1) is provided with two sets of transmission components (6); the transmission components (6) include two support members (61) fixed to the outer wall of the detection cabinet (1) and transmission wheels (62) rotatably mounted on the ends of the two support members (61); and the outer circumferences of the driving wheel (54), the driven wheel (51) and the transmission wheel (62) are sleeved with a conveyor belt (63).

2. The thermal oxygen aging detection device for automobile interior and exterior decoration according to claim 1 is characterized in that: A first guide piece (35) is fixed to the side of the limit member (33) close to the threaded tube (21), and a first guide groove (36) is formed on the side of the first slide groove (32) close to the threaded tube (21). The first guide piece (35) is slidably connected to the pressure strip (3) along the radial direction of the threaded shaft (22) via the first guide groove (36).

3. The thermal oxygen aging detection device for automobile interior and exterior decoration according to claim 2 is characterized in that: A first spring (37) is fixed to the side of the first guide piece (35) away from the threaded shaft (22); an end of the first spring (37) away from the first guide piece (35) is fixedly connected to the pressure strip (3) via a first guide groove (36).

4. The thermal oxygen aging detection device for automobile interior and exterior decoration according to claim 1 is characterized in that: Second guide pieces (46) are fixed to the opposite outer sides of the two pressing members (4), a second guide groove (47) is fixed to the side wall of the second sliding groove (41) away from the threaded shaft (22), and the second guide piece (46) is slidably disposed in the second guide groove (47) along the axial direction of the threaded shaft (22).

5. The thermal oxygen aging detection device for automobile interior and exterior decoration according to claim 4 is characterized in that: A second spring (64) is fixed to a side of the second guide piece (46) close to the threaded tube (21); an end of the second spring (64) away from the second guide piece (46) is fixedly connected to the pressure strip (3) via a second guide groove (47).

6. The thermal oxygen aging detection device for automobile interior and exterior decoration according to claim 1 is characterized in that: A mounting hole (11) is provided on a side wall of the detection cabinet (1), and a lamp holder (12) is vertically slidably connected to the detection cabinet (1) through the mounting hole (11); a detection lamp (13) for irradiating a sample is fixed to the side of the lamp holder (12) away from the motor (53); a first connecting rod (14) is rotatably connected to the side of the lamp holder (12) close to the motor (53); a second connecting rod (15) is hingedly connected to the end of the first connecting rod (14); an eccentric shaft (16) is fixed to the end of the second connecting rod (15) away from the first connecting rod (14); and the end of the eccentric shaft (16) away from the second connecting rod (15) is fixed to the side of the driving wheel (54) away from the motor (53).

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