Anti-aging strength testing device for automobile plastic shell

Abstract

The utility model relates to the field of anti-aging testing of plastic shells, and discloses an anti-aging strength testing device of an automobile plastic shell, which comprises a bottom plate, a U-shaped plate is arranged on the top surface of the bottom plate in a sliding manner, a supporting folded plate is fixed on the top surface of the bottom plate, a pressing arc block is movably arranged in the supporting folded plate, and the pressing arc block is fixed on the U-shaped plate. A fixing ring is fixed to the top face of the pressing arc block, a threaded rod is rotationally arranged in the fixing ring, a bearing is fixed to the interior of the fixing ring, the surface of the threaded rod is fixed to the inner wall face of an inner ring of the bearing, a threaded hole is formed in the top face of the supporting folded plate, and the threaded hole is in threaded connection with the threaded rod. According to the utility model, the strength of the plastic material after aging can be detected by applying a downward pressing acting force to the aging material, and the strength change of the plastic material after aging can be intuitively known by observing the surface condition of the plastic material, so that the intuition degree of a worker in detecting the aging resistance of the plastic material is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of anti-aging test of plastic shells, in particular to an anti-aging strength test device for automobile plastic shells. Background Art

[0002] Hard plastics are widely used in seats, glass frames, armrests, bottoms, floors, and operating tables in cars and passenger planes. In order to test the strength of the car body surface and internal settings, people will conduct aging tests on the plastic materials used to make these auto parts before large-scale application.

[0003] According to the Chinese patent with publication number: CN209231174U, an anti-aging strength test device for hard plastic materials inside automobiles and passenger aircraft includes a sealed shell, the inner wall of which is provided with a UV curing lamp, an ultrasonic emitting component, a sprayer, a rotating shaft, a clamping component, an ultrasonic receiving component and a temperature control component. The clamping component is fixed to the inner side wall of the sealed shell through the rotating shaft, the clamping component clamps the material to be tested and rotates around the axis of the rotating shaft, the rotating shaft is used to achieve uniform aging, during the aging process, the ultrasonic emitting component emits ultrasonic waves at regular intervals that pass through the material to be tested and are received by the ultrasonic receiving component, and finally the received ultrasonic waves are processed and calculated to obtain real-time strength information of the material to be tested.

[0004] In the above scheme, ultrasound is used to monitor the strength of the plastic material after aging, which still has the following disadvantages: the strength test result data obtained by ultrasonic testing is relatively professional and cannot intuitively reflect the change in the strength of the plastic material after aging, and has poor intuitiveness. Utility Model Content

[0005] The purpose of the utility model is to provide an anti-aging strength testing device for automobile plastic shells to solve the problem that the strength test result data obtained through ultrasonic testing is relatively professional and cannot intuitively reflect the change in the strength of the plastic material after aging, and the intuitiveness is poor.

[0006] In order to achieve the above-mentioned utility model purpose, the utility model adopts the following technical scheme: an anti-aging strength testing device for a plastic shell of an automobile, comprising a base plate, a U-plate is slidably arranged on the top surface of the base plate, a supporting folding plate is fixed on the top surface of the base plate, a pressing arc block is movably arranged inside the supporting folding plate, a fixing ring is fixed on the top surface of the pressing arc block, a threaded rod is rotatably arranged inside the fixing ring, a bearing is fixed inside the fixing ring, the surface of the threaded rod is fixed to the inner wall surface of the inner ring of the bearing, a threaded hole is provided on the top surface of the supporting folding plate, the threaded hole is threadedly connected to the threaded rod, a measuring ruler is fixed on the top surface of the pressing arc block, a sliding opening is provided on the top surface of the supporting folding plate, and the sliding opening is slidably inserted with the measuring ruler.

[0007] Preferably, an aging box is fixed to the top surface of the bottom plate, a communication port is opened on one side of the aging box, and a closed door is rotatably provided inside the communication port.

[0008] Preferably, a fixing plate is detachably provided on the top surface of the aging box, a storage cylinder is fixed on the top surface of the fixing plate, and an adding hole is opened on the top surface of the aging box.

[0009] Preferably, connecting plates are fixed to the four sides of the fixing plate respectively, locking bolts are rotatably inserted inside the connecting plates, a plurality of threaded grooves are provided on the top surface of the aging box, and the locking bolts and the threaded grooves are threadedly connected.

[0010] Preferably, a driving motor is fixed to one side of the base plate, a mounting opening is opened on the top surface of the base plate, one end of the output shaft of the driving motor passes through the base plate and extends into the interior of the mounting opening, a threaded column is fixed to one end of the output shaft of the driving motor, a sliding bar is threadedly connected to the threaded column, and the top surface of the sliding bar is fixed to the bottom surface of the U-plate.

[0011] Preferably, the top surfaces at both ends of the U-plate are respectively provided with storage grooves, a sliding rod is fixed inside the storage groove, two extrusion plates are slidably inserted on the sliding rod, and two springs are surrounded by the surface of the sliding rod, one end of the spring is fixed to the inner side of the storage groove, and the other end of the spring is fixed to one side of the extrusion plate.

[0012] Compared with the prior art, the anti-aging strength testing device for automobile plastic shell using the above technical solution has the following beneficial effects:

[0013] 1. The staff will first place the plastic material on the U-plate. As the U-plate slides on the top of the bottom plate, the plastic material will slide synchronously. After the plastic material is aged, the moving U-plate will move the plastic material to the bottom of the supporting folding plate. Then the staff will rotate the threaded rod clockwise, and use the threaded connection between the threaded rod and the threaded hole to push the pressing arc block downward and press on the aged plastic material. By applying a downward pressing force to the aged material, the strength of the plastic material after aging can be detected. By observing the surface of the plastic material, the strength change of the plastic material after aging can be intuitively understood, which increases the intuitiveness of the staff when detecting the anti-aging of the plastic material;

[0014] Second, the aging methods of plastic materials mainly include ultraviolet aging, acid aging, low-temperature-high-temperature aging, etc. During the aging process, the staff can first pour the acidic chemical reagent into the storage cylinder, and the acidic chemical reagent inside the storage cylinder will be sprayed inside the aging box to perform acid aging on the plastic material. In addition, the staff can also replace different equipment to age the plastic material by pulling the locking bolt out of the threaded groove, such as ultraviolet lamps, cooling-heating devices, etc., which increases the diversity of aging treatment for plastic materials;

[0015] 3. Before placing the plastic material on the U-plate, the staff will first apply a force to the two extrusion plates to move them away from each other, so that the two extrusion plates slide on the sliding rod and the extrusion spring contracts. Then the staff will place the plastic material between the two extrusion plates and remove the force applied to the extrusion plates. The extrusion plates will move closer to each other under the push of the contraction spring, and the plastic material can be fixed on the top surface of the U-plate, which is convenient for transporting aged plastic materials and avoids direct contact between staff and aged plastic materials with chemical reagents remaining on the surface, thereby increasing the safety of plastic material testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of an embodiment.

[0017] Figure 2 It is an exploded perspective schematic diagram of an embodiment.

[0018] Figure 3 It is a schematic diagram of the explosion of the supporting folding plate and the pressing arc block in the embodiment.

[0019] Figure 4 It is a schematic diagram of the explosion of the sliding bar and the extrusion plate in the embodiment.

[0020] In the figure: 1. Base plate; 2. Place U plate; 3. Support folding plate; 4. Press arc block; 5. Threaded rod; 6. Measuring ruler; 7. Fixing ring; 8. Threaded hole; 9. Sliding port; 10. Aging box; 11. Connecting port; 12. Closed door; 13. Fixing plate; 14. Storage cylinder; 15. Adding hole; 16. Connecting plate; 17. Threaded groove; 18. Locking bolt; 19. Driving motor; 20. Installation port; 21. Threaded column; 22. Sliding bar; 23. Spring; 24. Storage slot; 25. Sliding rod; 26. Extrusion plate. DETAILED DESCRIPTION

[0021] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

[0022] like Figure 1-Figure 3 As shown, an anti-aging strength testing device for an automobile plastic shell comprises a bottom plate 1, a U-plate 2 is slidably arranged on the top surface of the bottom plate 1, a supporting folding plate 3 is fixed on the top surface of the bottom plate 1, a pressing arc block 4 is movably arranged inside the supporting folding plate 3, a fixing ring 7 is fixed on the top surface of the pressing arc block 4, a threaded rod 5 is rotatably arranged inside the fixing ring 7, a bearing is fixed inside the fixing ring 7, the surface of the threaded rod 5 is fixed to the inner wall surface of the inner ring of the bearing, a threaded hole 8 is provided on the top surface of the supporting folding plate 3, the threaded hole 8 is threadedly connected to the threaded rod 5, a measuring ruler 6 is fixed on the top surface of the pressing arc block 4, a sliding opening 9 is provided on the top surface of the supporting folding plate 3, and the sliding opening 9 is slidably inserted with the measuring ruler 6.

[0023] During use, the staff will first place the plastic material on the U-plate 2. As the U-plate 2 slides on the top surface of the bottom plate 1, the plastic material will slide synchronously. After the plastic material is aged, the moving U-plate 2 will move the plastic material to just below the supporting folding plate 3. Then the staff will rotate the threaded rod 5 clockwise, and use the threaded connection between the threaded rod 5 and the threaded hole 8 to push the pressing arc block 4 downward and press on the aged plastic material. By applying a downward pressing force to the aged material, the strength of the plastic material after aging can be detected. By observing the condition of the surface of the plastic material, the strength change of the plastic material after aging can be intuitively understood, which increases the intuitiveness of the staff in detecting the anti-aging of the plastic material.

[0024] like Figure 1 and Figure 2As shown, an aging box 10 is fixed on the top surface of the base plate 1, a connecting port 11 is provided on one side of the aging box 10, a closed door 12 is rotatably provided inside the connecting port 11, a fixing plate 13 is detachably provided on the top surface of the aging box 10, a storage cylinder 14 is fixed on the top surface of the fixing plate 13, an adding hole 15 is provided on the top surface of the aging box 10, connecting plates 16 are fixed on the four sides of the fixing plate 13, locking bolts 18 are rotatably inserted inside the connecting plate 16, and a plurality of threaded grooves 17 are provided on the top surface of the aging box 10, and the locking bolts 18 and the threaded grooves 17 are threadedly connected.

[0025] During use, the aging methods of plastic materials mainly include ultraviolet aging, acid-resistant aging, low-temperature-high-temperature aging, etc. During the aging process, the staff can first pour the acidic chemical reagent into the interior of the storage cylinder 14, and the acidic chemical reagent inside the storage cylinder 14 will be sprayed inside the aging box 10 to perform acid aging on the plastic material. In addition, the staff can also replace different equipment to age the plastic material by pulling the locking bolt 18 out of the threaded groove 17, such as ultraviolet lamps, cooling-heating devices, etc., which increases the diversity of aging treatments for plastic materials.

[0026] like Figure 2 and Figure 4 As shown, a driving motor 19 is fixed to one side of the base plate 1, and a mounting opening 20 is provided on the top surface of the base plate 1. One end of the output shaft of the driving motor 19 passes through the base plate 1 and extends into the interior of the mounting opening 20. A threaded column 21 is fixed to one end of the output shaft of the driving motor 19. A sliding bar 22 is threadedly connected to the threaded column 21. The top surface of the sliding bar 22 is fixed to the bottom surface of the U-plate 2. Storage grooves 24 are respectively provided on the top surfaces of the two ends of the U-plate 2. A sliding rod 25 is fixed inside the storage groove 24. Two extrusion plates 26 are slidably inserted on the sliding rod 25. Two springs 23 are surrounded by the surface of the sliding rod 25. One end of the spring 23 is fixed to the inner side of the storage groove 24, and the other end of the spring 23 is fixed to one side of the extrusion plate 26.

[0027] During use, before placing the plastic material on the U-plate 2, the staff will first apply a force to the two extrusion plates 26 to move away from each other, so that the two extrusion plates 26 slide on the sliding rod 25 and the extrusion spring 23 contracts. Then the staff will place the plastic material between the two extrusion plates 26 and remove the force applied to the extrusion plates 26. The extrusion plates 26 will move closer to each other under the push of the contraction spring 23, and the plastic material can be fixed on the top surface of the U-plate 2, which is convenient for transporting aged plastic materials and avoids direct contact between the staff and the aged plastic materials with chemical reagents remaining on the surface, thereby increasing the safety of plastic material testing.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An anti-aging strength testing device for automobile plastic shell, comprising a bottom plate (1), characterized in that: The top surface of the bottom plate (1) is slidably provided with a U-plate (2), the top surface of the bottom plate (1) is fixed with a supporting folding plate (3), the interior of the supporting folding plate (3) is movably provided with a pressing arc block (4), the top surface of the pressing arc block (4) is fixed with a fixing ring (7), the interior of the fixing ring (7) is rotatably provided with a threaded rod (5), the interior of the fixing ring (7) is fixed with a bearing, the surface of the threaded rod (5) is fixed to the inner wall surface of the inner ring of the bearing, the top surface of the supporting folding plate (3) is provided with a threaded hole (8), the threaded hole (8) is threadedly connected to the threaded rod (5), the top surface of the pressing arc block (4) is fixed with a measuring ruler (6), the top surface of the supporting folding plate (3) is provided with a sliding opening (9), the sliding opening (9) is slidably inserted with the measuring ruler (6).

2. The anti-aging strength testing device for automobile plastic shell according to claim 1 is characterized in that: An aging box (10) is fixed on the top surface of the bottom plate (1), a communication port (11) is provided on one side of the aging box (10), and a closed door (12) is rotatably provided inside the communication port (11).

3. The anti-aging strength testing device for automobile plastic shell according to claim 2 is characterized in that: The top surface of the aging box (10) is detachably provided with a fixing plate (13), the top surface of the fixing plate (13) is fixed with a storage cylinder (14), and the top surface of the aging box (10) is provided with a adding hole (15).

4. The anti-aging strength testing device for automobile plastic shell according to claim 3 is characterized in that: Connecting plates (16) are fixed to the four sides of the fixing plate (13), and locking bolts (18) are rotatably inserted inside the connecting plates (16). The top surface of the aging box (10) is provided with a plurality of thread grooves (17), and the locking bolts (18) and the thread grooves (17) are threadedly connected.

5. The anti-aging strength testing device for automobile plastic shell according to claim 1, characterized in that: A drive motor (19) is fixed on one side of the base plate (1), a mounting opening (20) is provided on the top surface of the base plate (1), one end of the output shaft of the drive motor (19) passes through the base plate (1) and extends into the interior of the mounting opening (20), a threaded column (21) is fixed on one end of the output shaft of the drive motor (19), a sliding bar (22) is threadedly connected to the threaded column (21), and the top surface of the sliding bar (22) is fixed to the bottom surface of the U-plate (2) placed thereon.

6. The anti-aging strength testing device for automobile plastic shell according to claim 1, characterized in that: The top surfaces of the two ends of the U-plate (2) are respectively provided with storage grooves (24), a sliding rod (25) is fixed inside the storage groove (24), two extrusion plates (26) are slidably inserted on the sliding rod (25), and two springs (23) are surrounded on the surface of the sliding rod (25), one end of the spring (23) is fixed to the inner side of the storage groove (24), and the other end of the spring (23) is fixed to one side of the extrusion plate (26).

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