Weather resistance test platform for high-temperature-resistant long-acting protective coating

Abstract

The invention relates to the technical field of coating detection equipment, in particular to a weather resistance test platform for a high-temperature-resistant long-acting protective coating. According to the technical scheme, the high-low temperature detection device comprises a high-low temperature detection box and a box door rotationally connected to the high-low temperature detection box, and further comprises a detection cavity formed in the high-low temperature detection box, and a sample frame for containing a detected object is arranged in the detection cavity. Through the design of the structures such as the detection cavity, the sample rack, the rotating mechanism, the connecting mechanism and the thread sliding mechanism, the box door can be automatically opened only by starting the motor, manual operation of workers is not needed, and the scalding risk caused by hot air diffusion when the box door is manually opened is effectively avoided. And after the box door is completely opened, the sample rack slowly slides out of the box body through a linked opening and closing mechanism with the box door. By means of the design, workers do not need to make close contact with high-temperature hot air in the box body when taking and placing the detected objects, and therefore the possibility that the workers are scalded in the operation process that hot air rushes out and gets close to the box body is remarkably reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of coating detection equipment, and in particular to a weather resistance testing platform for high-temperature resistant and long-lasting protective coatings. Background Art

[0002] High-temperature resistant and long-lasting protective coating is a coating material with special properties, mainly used to protect the surface of objects in high-temperature environments. Weather resistance testing is often carried out in coating quality inspections, and high and low temperature test chambers are important weather resistance testing platforms. When used, it can accurately simulate temperature changes in the natural environment, allowing the coating to undergo a cycle of thermal expansion and contraction; it can also accelerate the coating aging process by setting extreme temperature conditions and quickly obtain performance change data; at the same time, the stable and controllable environment it provides can eliminate interference from other environmental factors, helping researchers focus on the impact of temperature on the weather resistance of coatings.

[0003] In existing high-temperature and low-temperature test chambers, after completing high-temperature experiments, the hot air inside is at a high temperature and high energy level. When the door is manually opened, the large temperature difference between inside and outside the chamber causes the hot air to surge out rapidly. Improperly positioned personnel can be easily exposed to the hot air and suffer burns. Later, when using a gripping tool to retrieve the test object, the human body still needs to be close to the interior of the chamber, but the hot air inside is still very hot, making it easy to cause burns in a short period of time. Summary of the Invention

[0004] The purpose of the present invention is to propose a high-temperature resistant and long-lasting protective coating weather resistance testing platform to address the problem that after high-temperature testing in existing high and low-temperature test chambers, hot air gushes out when the door is opened and can easily burn the staff. When taking the test objects close to the chamber, the high-temperature hot air can also cause burns.

[0005] The technical solution of the present invention is: a high-temperature resistant and long-lasting protective coating weather resistance testing platform, including a high and low temperature detection box with a box door rotatably connected to the high and low temperature detection box, and also includes: a detection cavity opened in the high and low temperature detection box, and a sample rack for placing the test object is provided inside the detection cavity; the top of the high and low temperature detection box is provided with a rotating mechanism for driving the sample rack out of the detection cavity; a connecting mechanism is installed on the high and low temperature detection box and the box door and is linked to the rotating mechanism switch; a sliding mechanism is provided in the detection cavity to start the box door and the sample rack in sequence.

[0006] Optionally, the rotating mechanism includes a supporting bracket fixedly connected to the top upper surface of the high and low temperature detection box, the upper surface of the supporting bracket is fixedly connected to a motor, the output shaft of the motor is fixedly connected to a first gear after movably passing through the supporting bracket, the lower surface of the first gear is fixedly connected to a second rotating rod that movably passes through the detection cavity, the bottom end of the second rotating rod is connected to a third gear, and the outer wall of the sample rack close to the second rotating rod is fixedly connected to a rack that is meshed with the third gear.

[0007] Optionally, the connecting mechanism includes a second gear arranged on the top upper surface of the high and low temperature detection box, and the bottom of the second gear is fixedly connected to a first rotating rod that movably passes through the high and low temperature detection box, and the bottom end of the first rotating rod is fixedly connected to the upper surface of one end of the box door.

[0008] Optionally, a third rotating rod vertically opposite to the first rotating rod is fixedly connected to the lower surface of one end of the box door, and the bottom end of the third rotating rod is rotatably connected to the high and low temperature detection box.

[0009] Optionally, the sliding mechanism includes a pair of sockets fixedly connected to the upper surface of the third gear, a pair of telescopic slots are opened inside the sockets, a telescopic block is slidably connected inside the sockets and is inserted into the telescopic slots, a return spring is fixedly connected inside the telescopic slots, and the end of the return spring away from the inner wall of the telescopic slot is fixedly connected to the end of the telescopic block.

[0010] Optionally, the sliding thread mechanism further includes a positioning slot provided in the middle of the telescopic holding block, and the bottom end of the second rotating rod is fixedly connected with a positioning block which is inserted into the positioning slot.

[0011] Optionally, a pair of support plates are fixedly connected to the inner wall of the detection cavity, a pair of T-shaped bolts are fixedly connected to the upper surface of one end of the support plates, and a pair of limiting sliding holes for clamping the T-shaped bolts are opened on both sides of the sample rack.

[0012] Optionally, a push-pull handle is fixedly connected to one end of the sample rack close to the T-shaped bolt, and a plurality of balls are provided at the bottom of both sides of the sample rack, which are in close contact with the upper surface of the support plate.

[0013] Optionally, a lock is provided on the box door, and an observation window is also provided in the middle of the box door.

[0014] Optionally, both ends of the rack are fixedly connected with protrusions that clamp the third gear.

[0015] In summary, this application includes at least one of the following beneficial technical effects:

[0016] Through the design of the detection chamber, sample holder, rotating mechanism, connecting mechanism, and sliding mechanism, the present invention allows the door to open automatically by simply starting the motor, eliminating the need for manual operation by the operator. This effectively avoids the risk of burns caused by the diffusion of hot air when manually opening the door. Once the door is fully opened, the sample holder slowly slides out of the chamber via a linkage opening and closing mechanism with the door. This design eliminates the need for close contact with the high-temperature air inside the chamber when placing and removing test objects, significantly reducing the possibility of burns caused by the outflow of hot air and during operation close to the chamber. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic structural diagram of a high-temperature resistant and long-lasting protective coating weather resistance testing platform of the present invention is provided;

[0018] Figure 2 for Figure 1 Schematic diagram of part of the structure;

[0019] Figure 3 for Figure 2 A magnified schematic diagram of point A in the middle;

[0020] Figure 4 for Figure 1 Schematic diagram of the partially split structure;

[0021] Figure 5 for Figure 4 A magnified schematic diagram of point B in the middle;

[0022] Figure 6 for Figure 4 Schematic diagram of a partial cross-section structure;

[0023] Figure 7 for Figure 6 The enlarged schematic diagram of point C in the middle;

[0024] Figure 8 for Figure 4 Schematic diagram of the partially split structure;

[0025] Figure 9 for Figure 8 Enlarged schematic diagram of point D in the middle.

[0026] Figure numerals: 1. High and low temperature detection box; 11. Detection cavity; 12. Support tray; 13. T-shaped bolt; 14. Sample rack; 141. Ball bearing; 15. Limiting slide hole; 16. Rack; 161. Protrusion; 17. Push-pull handle; 101. Support bracket; 102. Motor; 103. First gear; 104. Second gear; 105. First rotating rod; 106. Second rotating rod; 107. Positioning block; 108. Third rotating rod; 109. Third gear; 2. Box door; 21. Lock; 22. Observation window; 3. Card seat; 31. Telescopic card slot; 32. Return spring; 33. Telescopic block; 34. Positioning card slot. DETAILED DESCRIPTION

[0027] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0028] The components of the embodiments of the present invention generally described and shown in the drawings herein may be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention.

[0029] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.

[0030] In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate and simplify the description of the present invention. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0031] It should be noted that the terms "comprises," "includes," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus comprising a series of elements includes not only those elements but also other elements not explicitly listed, or includes elements inherent to such process, method, article, or apparatus. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0032] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0033] Example

[0034] like Figures 1 to 9As shown, the present invention proposes a high-temperature resistant and long-lasting protective coating weather resistance test platform, which includes a high and low temperature detection box 1 with a door 2 rotatably connected to the high and low temperature detection box 1. The door 2 is provided with a lock 21, which is usually a mechanical lock specially designed for the device. It includes a cam lock, which uses the rotation of the key to drive the cam to rotate, and controls the extension and retraction of the lock tongue by the change in the shape of the cam to achieve the purpose of locking and unlocking. It has the characteristics of easy operation and durability. An observation window 22 is also provided in the middle of the door 2. The observation window 22 is convenient for the operator to directly observe the state of the sample in the box without opening the door 2 and affecting the test environment, such as whether the sample is deformed, discolored, or cracked during the high and low temperature changes, as well as the operation of the test equipment. A detection chamber 11 is provided in the high and low temperature detection box 1, and a sample rack 14 for placing the test object is provided inside the detection chamber 11.

[0035] Among them, Figures 1 to 5 As shown, a rotating mechanism for driving the sample rack 14 out of the detection chamber 11 is provided on the top of the high and low temperature detection chamber 1, and the rotating mechanism includes a support bracket 101 fixedly connected to the upper surface of the top of the high and low temperature detection chamber 1, and the upper surface of the support bracket 101 is fixedly connected to a motor 102, and the output shaft of the motor 102 is movably passed through the support bracket 101 and is fixedly connected to a first gear 103, and the lower surface of the first gear 103 is fixedly connected to a second rotating rod 106 that is movable through the detection chamber 11, and the bottom end of the second rotating rod 106 is connected to a third gear 109, and the outer wall of the sample rack 14 close to the second rotating rod 106 is fixedly connected to a rack 16 that is meshed with the third gear 109, and both ends of the rack 16 are fixedly connected to protrusions 161 that clamp the third gear 109, and the protrusion 161 is used to clamp the rotating third gear 109 to prevent the rack 16 from driving the sample rack 14 to move too much outside the detection chamber 11.

[0036] In addition, if Figures 1 to 4 As shown, the high and low temperature detection box 1 and the door 2 are equipped with a connecting mechanism that is linked to the rotation mechanism. The connecting mechanism includes a second gear 104 set on the top surface of the high and low temperature detection box 1. The first gear 103, the second gear 104 and the third gear 109 are gears. Gears are mechanical parts with teeth on the rim that can continuously mesh to transmit motion and power. They are one of the most widely used parts in mechanical transmission. The bottom of the second gear 104 is fixedly connected to a first rotating rod 105 that is movable and runs through the high and low temperature detection box 1. The bottom end of the first rotating rod 105 is fixedly connected to the upper surface of one end of the door 2.

[0037] Further preferred technical solutions, such as Figure 4As shown, a third rotating rod 108 is fixedly connected to the lower surface of one end of the door 2, which is perpendicular to the first rotating rod 105. The third rotating rod 108, the first rotating rod 105 and the axis of the second gear 104 are perpendicular to each other. The third rotating rod 108 and the first rotating rod 105 are on the same axis to ensure that the door 2 can effectively avoid left and right shaking or deviation during the opening and closing process, and to ensure that the door 2 rotates smoothly along the predetermined trajectory, so as to smoothly realize the opening and closing action. At the same time, this layout allows the gravity of the door 2 and the force it receives when opening and closing the door to be evenly distributed on the rotating shaft when it rotates. This can reduce the wear of components caused by uneven force, extend the service life of the rotating rod and related connecting components, and also reduce the risk of deformation of the door 2 due to excessive local force. The bottom end of the third rotating rod 108 is rotatably connected to the high and low temperature detection box 1.

[0038] Further preferred technical solutions, such as Figure 3 、 Figure 5 、 Figure 8 and Figure 9 As shown, the detection chamber 11 is provided with a sliding mechanism that activates the door 2 and the sample rack 14 in sequence. The sliding mechanism includes a pair of holders 3 fixedly connected to the upper surface of the third gear 109. The interior of the holder 3 is provided with a pair of telescopic slots 31. The interior of the holder 3 is slidably connected to a telescopic block 33 that is inserted into the telescopic slot 31. The interior of the telescopic slot 31 is fixedly connected to a return spring 32. The return spring 32 allows the third gear 109 to slide when necessary (for example, when the door 2 is stuck to the sample rack 14) to avoid the third gear 109 from being engaged with the rack 16. The end of the return spring 32 away from the inner wall of the telescopic slot 31 is fixedly connected to the end of the telescopic block 33. The sliding mechanism also includes a positioning slot 34 opened in the middle of the telescopic block 33. The positioning slot 34 is stuck by the positioning block 107. At the same time, the telescopic block 33 is elastically pushed by the return spring 32, so that the second rotating rod 106 can drive the third gear 109 to rotate after the rotation. However, the third gear 109 is blocked by the rack 16 and cannot rotate. At this time, the pair of telescopic blocks 33 slide and expand within the telescopic slots 31, allowing the second rotating rod 106 to rotate normally. The bottom end of the second rotating rod 106 is fixedly connected to a positioning block 107 that is engaged with the positioning slots 34. The positioning block 107, by engaging the pair of positioning slots 34, ultimately drives the third gear 109 to rotate.

[0039] Going further, Figures 3 to 7As shown, a pair of support plates 12 are fixedly connected to the inner wall of the detection chamber 11. A pair of T-shaped latches 13 are fixedly connected to the upper surface of each end of the support plates 12. The T-shaped latches 13 are locked into the limiting sliding holes 15, thereby limiting the sample rack 14 to horizontal linear sliding on the upper surface of the support plates 12. A push-pull handle 17 is fixedly connected to the end of the sample rack 14 near the T-shaped latch 13. Under normal circumstances, the push-pull handle 17 is tightly pressed against the closed door 2. A plurality of ball bearings 141 are provided on the bottom of each side of the sample rack 14, which are in close contact with the upper surface of the support plates 12. The ball bearings 141 convert sliding friction into rolling friction, significantly reducing frictional resistance, reducing driving force requirements and component wear, and extending the service life of the equipment. They also enable the sample rack 14 to move flexibly in the horizontal direction, facilitate precise positioning, and improve the efficiency and accuracy of experimental operations. A pair of limiting sliding holes 15 are provided on both sides of the sample rack 14 to lock the T-shaped latches 13.

[0040] In this embodiment, when using the high-temperature resistant long-lasting protective coating weather resistance test platform, it is only necessary to start the motor 102 on the support bracket 101. The output shaft of the motor 102 drives the first gear 103 to rotate. Since the first gear 103 and the second gear 104 are meshed, the first gear 103 can drive the second gear 104 to rotate, and the second gear 104 will sequentially drive the first rotating rod 105, the box door 2 and the third rotating rod 108 to rotate, so that the box door 2 is rotated and opened on the high and low temperature detection box 1. At the same time, when the first gear 103 rotates, it also drives the second rotating rod 106 to rotate. The bottom of the second rotating rod 106 is engaged in the positioning slot 34 through a pair of positioning blocks 107, driving the card holder 3 to rotate. The pair of card holders 3 in turn drives the third gear 109 to rotate. Since the third gear 109 is meshed with the rack 16 on the side wall of the sample holder 14 , the third gear 109 can drive the rack 16 to slide along the support plate 12 toward the outside of the detection chamber 11 , thereby causing the rack 16 to drive the sample holder 14 out of the detection chamber 11 .

[0041] When the sample rack 14 is blocked by the unopened door 2, the positioning block 107 tightly presses against the corresponding telescopic block 33, causing the telescopic block 33 to slide along the corresponding telescopic slot 31, thereby dislodging the positioning block 107 from the corresponding positioning slot 34. This prevents the pair of positioning blocks 107 at the bottom of the second rotating rod 106 from rotating the holder 3. Ultimately, the third gear 109 is also unable to rotate, causing the sample rack 14 to remain on the pair of support plates 12 within the detection chamber 11. When the door 2 is rotated open, the door 2 is no longer able to tightly hold the sample rack 14. The telescopic block 33, through the elastic thrust of the return spring 32, then drives the positioning slot 34 to automatically engage the corresponding positioning block 107. This allows the second rotating rod 106 to rotate, ultimately driving the third gear 109 to rotate. The rack 16 then allows the sample rack 14 to smoothly and slowly slide out of the detection chamber 11. At this time, the limiting sliding holes 15 on both sides of the sample rack 14 are blocked by the T-shaped latches 13 , thereby limiting the sample rack 14 from moving out of the detection chamber 11 too far.

[0042] When the sample rack 14 needs to be slid onto the support plate 12 in the detection chamber 11, it is only necessary to start the motor 102 on the support bracket 101, and the motor 102 rotates in the opposite direction. At this time, the door 2 will slowly close into the high and low temperature detection chamber 1, but because the door 2 closes quickly and the sample rack 14 slides slowly into the detection chamber 11, the door 2 will press against the push-pull handle 17 at the end of the sample rack 14. Then, multiple pairs of T-shaped bolts 13 are inserted into the limiting sliding hole 15, and at this time, the rotating third gear 109 and the sliding rack 16 cannot be engaged, and the rack 16 will press against the third gear 109 to slide away from the sample rack 14. Finally, the sample rack 14 can be pressed against the door 2 and slowly enter the detection chamber 11.

[0043] The preferred embodiments of the present invention described above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to specific embodiments. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A high temperature resistant and long-lasting protective coating weather resistance test platform, comprising a high and low temperature detection box (1) and a box door (2) rotatably connected to the high and low temperature detection box (1), characterized in that: Also includes: A detection chamber (11) is provided in the high and low temperature detection box (1), wherein a sample rack (14) for placing a detection object is provided inside the detection chamber (11); The top of the high and low temperature detection box (1) is provided with a rotation mechanism for driving the sample holder (14) to escape from the detection cavity (11); A connecting mechanism is installed on the high and low temperature detection box (1) and the box door (2) and is linked to the rotation mechanism for switching; A sliding wire mechanism is provided in the detection chamber (11) for sequentially starting the box door (2) and the sample rack (14).

2. A high temperature resistant long-lasting protective coating weather resistance testing platform according to claim 1, characterized in that: The rotating mechanism includes a support bracket (101) fixedly connected to the top upper surface of the high and low temperature detection box (1); the upper surface of the support bracket (101) is fixedly connected to a motor (102); the output shaft of the motor (102) is movably passed through the support bracket (101) and is fixedly connected to a first gear (103); the lower surface of the first gear (103) is fixedly connected to a second rotating rod (106) that movably passes through the detection chamber (11); the bottom end of the second rotating rod (106) is connected to a third gear (109); and the outer wall of the sample rack (14) close to the second rotating rod (106) is fixedly connected to a rack (16) that is meshed with the third gear (109).

3. A high temperature resistant long-lasting protective coating weather resistance testing platform according to claim 1, characterized in that: The connecting mechanism comprises a second gear (104) arranged on the top surface of the high and low temperature detection box (1); the bottom of the second gear (104) is fixedly connected to a first rotating rod (105) that movably passes through the high and low temperature detection box (1); the bottom end of the first rotating rod (105) is fixedly connected to the upper surface of one end of the box door (2).

4. A high temperature resistant long-lasting protective coating weather resistance testing platform according to claim 3, characterized in that: A third rotating rod (108) vertically opposite to the first rotating rod (105) is fixedly connected to the lower surface of one end of the box door (2), and the bottom end of the third rotating rod (108) is rotatably connected to the high and low temperature detection box (1).

5. A high temperature resistant long-lasting protective coating weather resistance testing platform according to claim 2, characterized in that: The sliding mechanism comprises a pair of clamping seats (3) fixedly connected to the upper surface of the third gear (109), a pair of telescopic slots (31) are provided inside the clamping seats (3), a telescopic holding block (33) is slidably connected inside the clamping seats (3) and is inserted into the telescopic slots (31), a return spring (32) is fixedly connected inside the telescopic slots (31), and one end of the return spring (32) away from the inner wall of the telescopic slot (31) is fixedly connected to the end of the telescopic holding block (33).

6. A high temperature resistant long-lasting protective coating weather resistance testing platform according to claim 5, characterized in that: The sliding mechanism further comprises a positioning slot (34) provided in the middle of the telescopic holding block (33), and the bottom end of the second rotating rod (106) is fixedly connected with a positioning block (107) which is inserted into the positioning slot (34).

7. The high temperature resistant and long-lasting protective coating weather resistance testing platform according to claim 1, characterized in that: A pair of support plates (12) are fixedly connected to the inner wall of the detection cavity (11), a pair of T-shaped clamping bolts (13) are fixedly connected to the upper surface of one end of the support plates (12), and a pair of limiting sliding holes (15) for clamping the T-shaped clamping bolts (13) are opened on both sides of the sample rack (14).

8. A high temperature resistant long-lasting protective coating weather resistance testing platform according to claim 7, characterized in that: One end of the sample rack (14) close to the T-shaped latch (13) is fixedly connected to a push-pull handle (17), and the bottoms of both sides of the sample rack (14) are provided with a plurality of balls (141) that are in close contact with the upper surface of the support plate (12).

9. The high temperature resistant and long-lasting protective coating weather resistance testing platform according to claim 1, characterized in that: The box door (2) is provided with a lock (21), and the middle portion of the box door (2) is also provided with an observation window (22).

10. A high temperature resistant long-lasting protective coating weather resistance testing platform according to claim 2, characterized in that: Both ends of the rack (16) are fixedly connected with protrusions (161) for clamping the third gear (109).

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