Device for testing thermal aging performance of silicone sealant

Abstract

The utility model relates to the technical field of silicone sealants, and discloses a silicone sealant thermal aging performance testing device which comprises a working table, a first groove is formed in the bottom of the inner side of the working table, and a first motor is fixedly connected to the middle lower portion of the front side of the working table. And the output end of the first motor penetrates through the first groove and is fixedly connected with a first rotating rod, the rear end of the first rotating rod is fixedly connected with a driving bevel gear, the left side and the right side of the interior of the first groove are each rotationally connected with a first threaded rod, and the adjacent ends of the two first threaded rods are fixedly connected with a driven bevel gear. According to the silicone sealant stretching device, a second threaded rod is rotated, a movable plate moves downwards, a first motor works to drive a driving bevel gear to rotate, and a driven bevel gear rotates along with the driving bevel gear, so that a first threaded rod rotates, two movable blocks move in opposite directions, silicone sealant is stretched, the silicone sealant is heated more uniformly, detection data deviation is reduced, and the detection efficiency is improved. Therefore, the practicability of the equipment is improved, and the requirements of users can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of silicone sealants, in particular to a device for testing the thermal aging performance of silicone sealants. Background Art

[0002] Silicone sealant has excellent high temperature resistance, can maintain stable physical and chemical properties in high temperature environment, and is not easy to age and deteriorate. Therefore, it is widely used in sealing and bonding in high temperature environment. It can resist the erosion of external environmental factors such as ultraviolet rays, oxygen, and moisture, and maintain long-term stable sealing performance. Therefore, it is suitable for sealing applications in outdoor and harsh environments.

[0003] Silicone sealants may age in high-temperature environments, affecting their sealing performance and durability. The thermal aging performance testing device can simulate the high-temperature environment under actual use conditions, evaluate the heat resistance of the sealant, ensure product quality and reliability, and help companies evaluate the thermal aging characteristics of silicone sealants under different formulas or manufacturing processes, providing data support for product research and development and improvement.

[0004] Most of the thermal aging performance testing devices currently available on the market heat silicone sealants unevenly, which can lead to deviations in test data and fail to accurately analyze the data to improve the formula of silicone sealants, thereby reducing the practicality of the device and failing to meet user needs. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a silicone sealant thermal aging performance testing device, aiming to improve the problem that the uneven heating of silicone sealant in the prior art will lead to deviation in the detection data and cannot accurately analyze the data, thereby reducing the practicality of the device and failing to meet the needs of users.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a silicone sealant thermal aging performance testing device, comprising a workbench, a first groove is provided at the inner bottom of the workbench, a first motor is fixedly connected to the middle and lower part of the front side of the workbench, the output end of the first motor passes through the first groove and is fixedly connected to the first rotating rod, the rear end of the first rotating rod is fixedly connected to the driving bevel gear, the left and right sides of the inner side of the first groove are both rotatably connected to the first threaded rod, the adjacent ends of the two first threaded rods are fixedly connected to the driven bevel gear, the left and right sides of the driving bevel gear are respectively meshed with the corresponding driven bevel gear, the outer wall of the first threaded rod is threadedly connected to the moving block, the top of the two moving blocks is fixedly connected to the same telescopic plate, the top left and right sides of the telescopic plate are fixedly connected to the limiting column, the adjacent sides of the two limiting columns are provided with a second groove, the top of the limiting column is rotatably connected to the second threaded rod, the bottom end of the second threaded rod passes through the second groove, the outer wall of the second threaded rod is threadedly connected to the moving plate, the front side of the workbench is rotatably connected to the glass door, and the top of the workbench is provided with a cleaning mechanism.

[0007] As a further description of the above technical solution:

[0008] The cleaning mechanism includes a third groove, which is opened at the inner top of the workbench, a rack is slidably connected inside the third groove, a nozzle is fixedly connected to the bottom of the rack, a second motor is fixedly connected to the top of the workbench, an output end of the second motor passes through the third groove and is fixedly connected to a second rotating rod, a bottom end of the second rotating rod is fixedly connected to a driving gear, and the driving gear is meshingly connected to the rack, a hollow column is fixedly connected to the right side of the top of the workbench, a rotor pump is fixedly connected to the left side of the hollow column, a transmission pipe is fixedly connected to the output end of the rotor pump, one end of the transmission pipe passes through the workbench and is fixedly connected to the nozzle.

[0009] As a further description of the above technical solution:

[0010] The front and rear sides of the plurality of moving blocks are fixedly connected with sliding blocks, the front and rear sides inside the plurality of first grooves are provided with sliding grooves, and the plurality of sliding blocks are respectively slidably connected with the inside of the corresponding sliding grooves.

[0011] As a further description of the above technical solution:

[0012] A switch is fixedly connected to the front side of the workbench, and the switch is electrically connected to the first motor, the second motor and the rotor pump respectively.

[0013] As a further description of the above technical solution:

[0014] A handle is fixedly connected to the middle and lower part of the front right end of the glass door.

[0015] As a further description of the above technical solution:

[0016] The four corners at the bottom of the workbench are fixedly connected with moving wheels.

[0017] As a further description of the above technical solution:

[0018] The bottoms of the two movable plates are both fixedly connected with a plurality of iron bars.

[0019] As a further description of the above technical solution:

[0020] A protective cover is arranged on the outer side of the switch, and one side of the protective cover is rotatably connected to one side of the workbench.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the second threaded rod is rotated, and the movable plate moves downward. At this time, the first motor works to drive the active bevel gear to rotate, and the driven bevel gear rotates accordingly, so that the first threaded rod rotates, and the two movable blocks move in opposite directions, stretching the silicone sealant, making it heat more evenly, reducing the deviation of the detection data, thereby improving the practicability of the equipment and meeting the needs of users.

[0023] 2. In the utility model, the rotor pump works to spray the softener in the hollow column from the nozzle through the transmission pipe, the second motor works, the driving gear rotates, and the rack moves the nozzle left and right at this time, so that the softener can be better sprayed onto the silicone sealant, which is convenient for the staff to clean up. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a front view of the silicone sealant thermal aging performance testing device proposed by the utility model;

[0025] Figure 2 A three-dimensional diagram of a silicone sealant thermal aging performance testing device proposed by the utility model;

[0026] Figure 3 It is a partial cross-sectional view of the thermal aging performance testing device for silicone sealant proposed by the utility model;

[0027] Figure 4 It is a partial cross-sectional view of the silicone sealant thermal aging performance testing device proposed by the utility model.

[0028] Legend:

[0029] 1. Workbench; 2. Cleaning mechanism; 201. Third groove; 202. Second motor; 203. Second rotating rod; 204. Driving gear; 205. Rack; 206. Nozzle; 207. Hollow column; 208. Rotor pump; 209. Transmission pipe; 3. First groove; 4. First motor; 5. First rotating rod; 6. Driving bevel gear; 7. First threaded rod; 8. Driven bevel gear; 9. Moving block; 10. Telescopic plate; 11. Limiting column; 12. Second groove; 13. Second threaded rod; 14. Moving plate; 15. Glass door; 16. Slider; 17. Slide; 18. Switch; 19. Handle; 20. Moving wheel; 21. Iron bar; 22. Protective cover. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Reference Figure 2 and Figure 3 The utility model provides an embodiment: a silicone sealant thermal aging performance testing device, comprising a workbench 1, a first groove 3 is provided at the inner bottom of the workbench 1, a first motor 4 is fixedly connected to the middle and lower part of the front side of the workbench 1, an output end of the first motor 4 passes through the first groove 3 and is fixedly connected to a first rotating rod 5, a rear end of the first rotating rod 5 is fixedly connected to an active bevel gear 6, the left and right sides of the inside of the first groove 3 are both rotatably connected to first threaded rods 7, adjacent ends of the two first threaded rods 7 are fixedly connected to driven bevel gears 8, the left and right sides of the active bevel gear 6 are respectively meshed with the corresponding driven bevel gear 8, and the first threaded rods 7 are respectively meshed with the corresponding driven bevel gears 8. The outer wall of the threaded rod 7 is threadedly connected with a moving block 9, and the tops of the two moving blocks 9 are fixedly connected with the same telescopic plate 10, and the left and right sides of the top of the telescopic plate 10 are fixedly connected with limiting columns 11, and the adjacent sides of the two limiting columns 11 are provided with second grooves 12, and the top of the limiting column 11 is rotatably connected with a second threaded rod 13, and the bottom end of the second threaded rod 13 passes through the second groove 12, and the outer wall of the second threaded rod 13 is threadedly connected with a moving plate 14, and the front side of the workbench 1 is rotatably connected with a glass door 15, and a cleaning mechanism 2 is provided on the top of the workbench 1, and a handle 19 is fixedly connected to the middle and lower part of the front right end of the glass door 15;

[0032] Specifically, the second threaded rod 13 is rotated, and the movable plate 14 moves downward for clamping. The first motor 4 works, and the first rotating rod 5 rotates, driving the active bevel gear 6 to rotate, and the two driven bevel gears 8 also rotate accordingly. The two first threaded rods 7 rotate, and the two movable blocks 9 move in opposite directions. At this time, the silicone sealant is stretched to make it heat more evenly and reduce the deviation of the detection data, thereby improving the practicability of the equipment and meeting the needs of users. The handle 19 can facilitate the staff to open the glass door 15.

[0033] Reference Figure 2 and Figure 4 The cleaning mechanism 2 includes a third groove 201, which is opened at the inner top of the workbench 1, and a rack 205 is slidably connected inside the third groove 201, and a nozzle 206 is fixedly connected to the bottom of the rack 205. A second motor 202 is fixedly connected to the top of the workbench 1, and the output end of the second motor 202 passes through the third groove 201 and is fixedly connected to the second rotating rod 203, and the bottom end of the second rotating rod 203 is fixedly connected to a driving gear 204, and the driving gear 204 is meshed with the rack 205. A hollow column 207 is fixedly connected to the right side of the top of the workbench 1, and a rotor pump 208 is fixedly connected to the left side of the hollow column 207. The output end of the rotor pump 208 is fixedly connected to a transmission pipe 209, and one end of the transmission pipe 209 passes through the workbench 1 and is fixedly connected to the nozzle 206;

[0034] Specifically, the rotor pump 208 works to spray the softener in the hollow column 207 from the nozzle 206, and the second motor 202 works to drive the second rotating rod 203 to rotate, and the driving gear 204 rotates accordingly. At this time, the rack 205 drives the nozzle 206 to move left and right, so that the softener can soften the silicone sealant more comprehensively, making it easier for the staff to clean up.

[0035] Reference Figure 1 and Figure 3 The front and rear sides of the plurality of moving blocks 9 are fixedly connected with sliders 16, the front and rear sides of the interiors of the plurality of first grooves 3 are provided with slide grooves 17, the plurality of sliders 16 are respectively slidably connected with the corresponding interiors of the slide grooves 17, and the four corners of the bottom of the workbench 1 are fixedly connected with moving wheels 20;

[0036] Specifically, the slider 16 and the slide groove 17 can stably move the moving block 9 left and right, and the moving wheel 20 can facilitate the movement of the device.

[0037] Reference Figure 1 and Figure 2A switch 18 is fixedly connected to the front side of the workbench 1, and the switch 18 is electrically connected to the first motor 4, the second motor 202 and the rotor pump 208 respectively. A protective cover 22 is arranged on the outer side of the switch 18, and one side of the protective cover 22 is rotatably connected to one side of the workbench 1. A plurality of iron bars 21 are fixedly connected to the bottom of the two movable plates 14;

[0038] Specifically, the switch 18 can effectively control the operation of the first motor 4 , the second motor 202 and the rotor pump 208 , the protective cover 22 can prevent accidental touch of the switch 18 during use, and the iron bar 21 can increase the friction of the moving plate 14 .

[0039] Working principle: When it is necessary to conduct a heat aging performance test on the silicone sealant, the glass door 15 must be opened first, the silicone sealant must be placed on the telescopic plate 10, the second threaded rod 13 must be rotated, and the movable plate 14 must be moved downward for clamping. At this time, the switch 18 is turned on to allow the first motor 4 to work, the first rotating rod 5 to rotate, the active bevel gear 6 to rotate accordingly, and the driven bevel gear 8 to rotate accordingly. At this time, the two first threaded rods 7 rotate, and the two moving blocks 9 move in opposite directions to stretch the silicone sealant, so that it is heated more evenly and the detection data deviation is reduced, thereby improving the practicability of the equipment and being able to meet the needs of users. When it is necessary to clean the silicone sealant, the rotor pump 208 is turned on, and the softener in the hollow column 207 is sprayed out from the nozzle 206 through the transmission tube 209, the second motor 202 works, and the active gear 204 rotates. At this time, the rack 205 moves the nozzle 206 left and right, so that the softener can soften the silicone sealant more comprehensively, making it convenient for the staff to clean up.

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A silicone sealant thermal aging performance testing device, comprising a workbench (1), characterized in that: A first groove (3) is provided at the bottom inner side of the workbench (1); a first motor (4) is fixedly connected to the middle and lower part of the front side of the workbench (1); an output end of the first motor (4) passes through the first groove (3) and is fixedly connected to a first rotating rod (5); a rear end of the first rotating rod (5) is fixedly connected to a driving bevel gear (6); first threaded rods (7) are rotatably connected to the left and right sides of the interior of the first groove (3); adjacent ends of the two first threaded rods (7) are fixedly connected to driven bevel gears (8); the left and right sides of the driving bevel gear (6) are respectively meshed with the corresponding driven bevel gear (8); the outer wall of the first threaded rod (7) is threaded A moving block (9) is connected, the tops of the two moving blocks (9) are fixedly connected to the same telescopic plate (10), the left and right sides of the top of the telescopic plate (10) are fixedly connected to limiting columns (11), the adjacent sides of the two limiting columns (11) are each provided with a second groove (12), the top of the limiting column (11) is rotatably connected to a second threaded rod (13), the bottom end of the second threaded rod (13) passes through the second groove (12), the outer wall of the second threaded rod (13) is threadedly connected to a moving plate (14), the front side of the workbench (1) is rotatably connected to a glass door (15), and the top of the workbench (1) is provided with a cleaning mechanism (2).

2. The silicone sealant thermal aging performance testing device according to claim 1, characterized in that: The cleaning mechanism (2) comprises a third groove (201), the third groove (201) is arranged at the inner top of the workbench (1), a rack (205) is slidably connected inside the third groove (201), a nozzle (206) is fixedly connected to the bottom of the rack (205), a second motor (202) is fixedly connected to the top of the workbench (1), an output end of the second motor (202) passes through the third groove (201) and is fixedly connected to a second rotating rod (203), The bottom end of the second rotating rod (203) is fixedly connected to a driving gear (204), and the driving gear (204) is meshedly connected to a rack (205). A hollow column (207) is fixedly connected to the right side of the top of the workbench (1), and a rotor pump (208) is fixedly connected to the left side of the hollow column (207). The output end of the rotor pump (208) is fixedly connected to a transmission pipe (209), and one end of the transmission pipe (209) passes through the workbench (1) and is fixedly connected to a nozzle (206).

3. The silicone sealant thermal aging performance testing device according to claim 1, characterized in that: The front and rear sides of the plurality of moving blocks (9) are fixedly connected with sliding blocks (16), the front and rear sides of the interiors of the plurality of first grooves (3) are provided with sliding grooves (17), and the plurality of sliding blocks (16) are respectively slidably connected with the interiors of the corresponding sliding grooves (17).

4. The silicone sealant thermal aging performance testing device according to claim 1, characterized in that: A switch (18) is fixedly connected to the front side of the workbench (1), and the switch (18) is electrically connected to the first motor (4), the second motor (202) and the rotor pump (208) respectively.

5. The silicone sealant thermal aging performance testing device according to claim 1, characterized in that: A handle (19) is fixedly connected to the middle and lower part of the front right end of the glass door (15).

6. The silicone sealant thermal aging performance testing device according to claim 1, characterized in that: Moving wheels (20) are fixedly connected to the four corners of the bottom of the workbench (1).

7. The silicone sealant thermal aging performance testing device according to claim 1, characterized in that: The bottoms of the two movable plates (14) are fixedly connected with a plurality of iron bars (21).

8. The silicone sealant thermal aging performance testing device according to claim 4, characterized in that: A protective cover (22) is provided on the outside of the switch (18), and one side of the protective cover (22) is rotatably connected to one side of the workbench (1).

Images