Accelerated aging test box

Abstract

The utility model relates to the technical field of detection equipment, and discloses an accelerated aging test box which comprises a box body and a plurality of ultraviolet lamps fixedly mounted on the inner wall of the box body, two connecting rings moving relatively are mounted in the box body, outer gear rings are rotationally connected to the outer walls of the two connecting rings, and connecting frames are fixedly connected to the opposite outer walls of the two outer gear rings; the outer walls of the two connecting frames are provided with clamping mechanisms, the outer wall of the connecting ring is rotatably connected with a gear, and the gear is meshed with the outer gear ring. The outer gear ring, the stepping motor and the gear are matched with each other, so that the two connecting frames can be driven to rotate synchronously, and then a sample fixed on the connecting frames is driven to rotate; and the two connecting frames are of hollow structures, so that the two ends and the surface of the sample fixed on the connecting frames can be irradiated by the ultraviolet lamp.

Description

Technical Field

[0001] The present application relates to the technical field of detection equipment, and in particular to an accelerated aging test chamber. Background Art

[0002] Aging tests mainly refer to thermal oxygen aging tests on rubber, plastic products, electrical insulation materials and other materials; or ventilation aging tests on electronic parts and plastic products;

[0003] "CN214310085U" discloses "an ultraviolet accelerated aging test box, including a box body, the box body is provided with a test box and a movable door for sealing the test box... and the top of the spring is fixedly connected to the lock, and the bottom of the spring is fixedly connected to the lifting platform." By setting a rotating device, the material to be tested placed on the base is rotated while being tested, thereby improving the coverage rate of the ultraviolet lamp on the test sample and achieving the effect of improving the detection accuracy. By setting a lifting device inside the test box, the coverage rate of the ultraviolet lamp on the test sample is further improved, and the detection effect of the test material is improved;

[0004] With respect to the above-mentioned related technologies, the inventors believe that although the test box improves the coverage of the ultraviolet lamp on the test sample through the rotating device and the lifting device, the bottom of the sample is in contact with the sample placement plate and cannot be irradiated by the ultraviolet lamp, which affects the detection accuracy. Therefore, an accelerated aging test box is proposed to solve the above problem.

[0005] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0006] In order to solve the problem that the bottom of the sample is in contact with the sample placement plate and cannot be irradiated by the ultraviolet light, which affects the detection accuracy, the present application provides an accelerated aging test box.

[0007] The accelerated aging test chamber provided in this application adopts the following technical solution:

[0008] An accelerated aging test box, comprising a box body and a plurality of ultraviolet lamps fixedly mounted on the inner wall of the box body, wherein two connecting rings for relative movement are mounted inside the box body, the outer walls of the two connecting rings are rotatably connected with outer gear rings, the outer walls opposite to the two outer gear rings are fixedly connected with connecting frames, the outer walls of the two connecting frames are mounted with clamping mechanisms, the clamping mechanisms comprise two mounting plates fixedly connected to the outer walls of the connecting frames, the outer walls of the two mounting plates are rotatably connected with two bidirectional screw rods, the outer walls of the two bidirectional screw rods are mounted with two movable plates, the outer walls of the movable plates are provided with two threaded rings, the threaded rings are threadedly connected to the outer walls of the bidirectional screw rods, the outer walls opposite to the two movable plates are fixedly connected with clamping blocks, the outer walls of the connecting rings are rotatably connected with gears, and the gears are meshed with the outer gear rings.

[0009] Preferably, a servo motor is fixedly mounted on the outer wall of one of the mounting plates, and the end of the output shaft of the servo motor passes through the mounting plate and is fixedly connected to one end of a bidirectional screw rod.

[0010] Preferably, one end of the two bidirectional lead screws away from the servo motor passes through the mounting plate and is fixedly connected to a synchronous wheel, and a synchronous belt is commonly installed on the outer walls of the two synchronous wheels.

[0011] Preferably, a stepper motor is fixedly mounted on an outer wall of the connecting ring away from the gear, and a terminal end of an output shaft of the stepper motor passes through the connecting ring and is fixedly connected to the gear.

[0012] Preferably, a plurality of hydraulic rods are fixedly mounted on the inner walls on both sides of the box body, the output ends of the plurality of hydraulic rods are fixedly connected to the connecting ring, and the plurality of hydraulic rods are evenly distributed on the outer wall of the connecting ring in a circular array with equal spacing.

[0013] Preferably, a box door is hinged on the front outer wall of the box body, and a handle is fixedly connected to the outer wall of the box door facing the outside of the box body.

[0014] Preferably, a plurality of support blocks are fixedly connected to the outer wall of the bottom of the box body, and the plurality of support blocks are evenly distributed at the edge positions of the four corners of the bottom of the box body.

[0015] In summary, this application includes the following beneficial technical effects:

[0016] The test samples can be clamped by the clamping mechanism arranged on the two connecting frames, and the spacing between the two connecting rings can be controlled by multiple hydraulic rods, so that the box can adapt to the detection of samples of different sizes and lengths, and the cooperation of the external gear ring, the stepping motor and the gears can drive the two connecting frames to rotate synchronously, thereby driving the samples fixed on the connecting frames to rotate, and because the two connecting frames are hollow structures, both ends and the surface of the samples fixed on the connecting frames can be irradiated by ultraviolet lamps. Compared with the existing technology, the problem that the bottom of the sample cannot be irradiated by ultraviolet lamps is solved, the coverage rate of ultraviolet lamps on the test samples is improved, and the accuracy of sample detection is ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an overall schematic diagram of an embodiment of the application;

[0018] Figure 2 is an internal schematic diagram of an embodiment of the application;

[0019] Figure 3 It is a partial structural schematic diagram of an embodiment of the application;

[0020] Figure 4 It is a partial structural cross-sectional view of an embodiment of the application.

[0021] Explanation of the accompanying drawings: 1. Box body; 2. Box door; 3. Ultraviolet lamp; 4. Hydraulic rod; 5. Connecting ring; 6. External gear ring; 7. Connecting frame; 8. Mounting plate; 9. Bidirectional screw; 10. Moving plate; 11. Threaded ring; 12. Clamp; 13. Servo motor; 14. Synchronous wheel; 15. Synchronous belt; 16. Stepping motor; 17. Gear; 18. Handle; 19. Support block. DETAILED DESCRIPTION

[0022] The following is combined with Figure 1-4 This application is described in further detail.

[0023] The present application embodiment discloses an accelerated aging test chamber. Figure 1-4An accelerated aging test box comprises a box body 1 and a plurality of ultraviolet lamps 3 fixedly mounted on the inner wall of the box body 1. Two relatively movable connecting rings 5 ​​are mounted inside the box body 1. The outer walls of the two connecting rings 5 ​​are rotatably connected with an outer gear ring 6. The outer walls opposite to the two outer gear rings 6 are fixedly connected with a connecting frame 7. The outer walls of the two connecting frames 7 are mounted with a clamping mechanism. The clamping mechanism comprises two mounting plates fixedly connected to the outer walls of the connecting frames. The outer walls of the two mounting plates 8 are rotatably connected with two bidirectional screw rods 9. The outer walls of the two bidirectional screw rods 9 are mounted with two movable plates 10. The outer walls of the movable plates 10 are provided with two threaded rings 11. The threaded rings 11 are threadedly connected to the outer walls of the bidirectional screw rods 9. The outer walls opposite to the two movable plates 10 are fixedly connected with a clamping block 12. The outer wall of the connecting ring 5 is rotatably connected with a gear 17. The gear 17 is meshed with the outer gear ring 6.

[0024] A servo motor 13 is fixedly mounted on the outer wall of one of the mounting plates 8 . The end of the output shaft of the servo motor 13 passes through the mounting plate 8 and is fixedly connected to one end of a bidirectional screw rod 9 .

[0025] One end of the two bidirectional lead screws 9 away from the servo motor 13 passes through the mounting plate 8 and is fixedly connected to a synchronous wheel 14 . A synchronous belt 15 is commonly installed on the outer walls of the two synchronous wheels 14 .

[0026] A stepper motor 16 is fixedly mounted on an outer wall of the connecting ring 5 at one side away from the gear 17 . The output shaft end of the stepper motor 16 passes through the connecting ring 5 and is fixedly connected to the gear 17 .

[0027] A plurality of hydraulic rods 4 are fixedly mounted on the inner walls of both sides of the box body 1 , the output ends of the plurality of hydraulic rods 4 are fixedly connected to the connecting ring 5 , and the plurality of hydraulic rods 4 are evenly distributed on the outer wall of the connecting ring 5 in a circular array with equal spacing.

[0028] A box door 2 is hingedly connected to the front outer wall of the box body 1 , and a handle 18 is fixedly connected to the outer wall of the box door 2 facing the outside of the box body 1 .

[0029] A plurality of support blocks 19 are fixedly connected to the outer wall of the bottom of the box body 1 , and the plurality of support blocks 19 are evenly distributed at the four corners of the bottom edge of the box body 1 .

[0030] The implementation principle of an accelerated aging test box in the embodiment of the present application is as follows: when in use, the box door 2 is opened by flipping the handle 18 upwards, and then one end of the sample to be tested is passed through the two clamping blocks 12, and a servo motor 13 is started through the clamping mechanism on the connecting frame 7. The servo motor 13 drives the bidirectional screw rod 9 to rotate, and one of the bidirectional screw rods 9 drives the synchronous wheel 14 to rotate. The two synchronous wheels 14 realize synchronous transmission through the synchronous belt 15, thereby making the two bidirectional screw rods 9 rotate synchronously. At this time, the two bidirectional screw rods 9 rotate on the inner surface of the threaded ring 11. Since the threads on the outer wall of a bidirectional screw 9 are symmetrically arranged in opposite directions, the two threaded rings 11 on the bidirectional screw 9 move relative to each other, and then the threaded rings 11 drive the two moving plates 10 to move relative to each other, and the two moving plates 10 drive the clamping block 12 to clamp one end of the sample. After the clamping of one end of the sample is completed, the multiple hydraulic rods 4 are started, and the output ends of the multiple hydraulic rods 4 are extended to drive the two connecting rings 5 ​​to move relative to each other until one end of the sample passes through the other two clamping blocks 12. At this time, the clamping mechanism is operated in the same way to fix the other end of the sample with the two clamping blocks 12.

[0031] After the fixation is completed, the box door 2 is closed, and multiple ultraviolet lamps 3 are turned on to irradiate the sample for an aging test. At this time, the stepper motor 16 can be started, and the stepper motor 16 drives the gear 17 to rotate. The gear 17 drives the outer gear ring 6 meshing with it to rotate on the outer wall of the connecting ring 5, and then the outer gear ring 6 drives the connecting frame 7 and the fixed sample to rotate, so that the surface of the sample can be rotated and irradiated, thereby increasing the coverage range of the ultraviolet lamp 3, and because the two connecting frames 7 are hollow structures, both ends of the sample can also be irradiated by the ultraviolet lamp 3.

[0032] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0033] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0034] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0035] 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. An accelerated aging test box, comprising a box body (1) and a plurality of ultraviolet lamps (3) fixedly mounted on the inner wall of the box body (1), characterized in that: Two relatively movable connecting rings (5) are installed inside the box body (1); the outer walls of the two connecting rings (5) are rotatably connected to the outer toothed rings (6); the outer walls opposite to the two outer toothed rings (6) are fixedly connected to the connecting frames (7); the outer walls of the two connecting frames (7) are installed with clamping mechanisms, the clamping mechanisms comprising two mounting plates (8) fixedly connected to the outer walls of the connecting frames (7); the outer walls of the two mounting plates (8) are rotatably connected to two bidirectional screw rods (9); the outer walls of the two bidirectional screw rods (9) are installed with two movable plates (10); the outer walls of the movable plates (10) are provided with two threaded rings (11); the threaded rings (11) are threadedly connected to the outer walls of the bidirectional screw rods (9); the outer walls opposite to the two movable plates (10) are fixedly connected with clamping blocks (12); the outer walls of the connecting rings (5) are rotatably connected to the gears (17); the gears (17) are meshed with the outer toothed rings (6).

2. The accelerated aging test chamber according to claim 1, characterized in that: A servo motor (13) is fixedly mounted on the outer wall of one of the mounting plates (8), and the output shaft end of the servo motor (13) passes through the mounting plate (8) and is fixedly connected to one end of a bidirectional screw rod (9).

3. The accelerated aging test chamber according to claim 2, characterized in that: One end of the two bidirectional screw rods (9) away from the servo motor (13) passes through the mounting plate (8) and is fixedly connected to a synchronous wheel (14); a synchronous belt (15) is commonly installed on the outer walls of the two synchronous wheels (14).

4. The accelerated aging test chamber according to claim 1, characterized in that: A stepper motor (16) is fixedly mounted on an outer wall of the connecting ring (5) at a side away from the gear (17), and an output shaft end of the stepper motor (16) passes through the connecting ring (5) and is fixedly connected to the gear (17).

5. The accelerated aging test chamber according to claim 1, characterized in that: A plurality of hydraulic rods (4) are fixedly mounted on the inner walls of both sides of the box body (1); the output ends of the plurality of hydraulic rods (4) are fixedly connected to a connecting ring (5); and the plurality of hydraulic rods (4) are evenly distributed in a circular array at equal intervals on the outer wall of the connecting ring (5).

6. The accelerated aging test chamber according to claim 1, characterized in that: A box door (2) is hingedly connected to the front outer wall of the box body (1), and a handle (18) is fixedly connected to the outer wall of the box door (2) facing the outside of the box body (1).

7. The accelerated aging test chamber according to claim 1, characterized in that: A plurality of support blocks (19) are fixedly connected to the outer wall of the bottom of the box body (1), and the plurality of support blocks (19) are evenly distributed at the four corner edge positions of the bottom of the box body (1).

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