Yellowing resistance testing machine for whitening agent

Abstract

The yellowing resistance testing machine comprises a box body, a door frame is arranged at the front end of the box body, a box door rotationally connected to the box body is arranged in the door frame, a fixing block is fixedly connected to the inner side of the box body, a sliding groove is formed in the upper end of the fixing block, a sliding block is slidably connected to the inner side of the sliding groove, and a mounting block is fixedly connected to the upper end of the sliding block. A motor fixedly connected to the inner side of the box body is arranged at the right end of the mounting block, rotating shafts are connected to the left end of the motor and the right end of the mounting block and rotationally connected to the mounting block, a clamping frame is fixedly connected to the rotating shafts, a clamping block is slidably connected to the inner side of the clamping frame, a screw is rotationally connected to the clamping frame, and the screw is in threaded connection to the clamping block; the bottom surface of the object is not shielded by the bearing component, and test errors are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of material performance testing equipment, in particular to a yellowing resistance testing machine for whitening agents. Background Art

[0002] The utility model patent with application number: CN201721339926.9 discloses a yellowing resistance test machine, including a light box and an electric control box, a door frame is provided on the front side of the light box, a door for opening or closing the light box is pivotally connected to the door frame, a slide groove is provided on the front side of the light box, one end of the slide groove is open and faces the door frame, and the other end is closed and away from the door frame. A slider is provided for sliding in the slide groove, and when the slider slides to extend from the opening of the slide groove toward the door frame, the slider can abut and cooperate with the surface of the door away from the inside of the light box. In the above technical solution, after the door is covered on the door frame, the slider is slid toward the door frame so that the slider extends from the opening of the slide groove toward the door frame, and the slider abuts on the surface of the door away from the inside of the light box to prevent the door from being opened, so that the door can be tightly and tightly covered on the door frame, ensuring that the yellowing resistance test machine is not easy to open suddenly during operation. However, the objects to be tested are all placed on a pallet with a single structure, and the bottom surface of the objects to be tested is blocked by the pallet, resulting in blind spots in the test. Utility Model Content

[0003] The utility model aims to solve the problems existing in the prior art and provides a yellowing resistance testing machine for whitening agents. The bottom surface of the object is not blocked by the bearing components, thereby reducing the test error.

[0004] The utility model solves the technical problem by adopting a technical solution: the yellowing resistance tester for whitening agents comprises a box body, a door frame is provided at the front end of the box body, a box door rotatably connected to the box body is arranged in the door frame, a fixed block is fixedly connected to the inside of the box body, a slide groove is provided at the left end of the fixed block, a slider is slidably connected to the inside of the slide groove, a mounting block is fixedly connected to the upper end of the slider, a motor fixedly connected to the inside of the box body is arranged at the right end of the mounting block, a rotating shaft is connected to the left end of the motor and the right end of the mounting block, the rotating shaft is rotatably connected to the mounting block, and the motor can drive the rotating shaft to rotate. The shaft rotates, and a clamping frame is fixedly connected to the rotating shaft, and a clamping block is slidably connected to the inner side of the clamping frame. A screw is rotatably connected to the clamping frame, and the screw is threadedly connected to the clamping block. The object to be measured is placed between the left and right clamping frames, and the screw is rotated. The screw drives the clamping block to move downward to clamp the object to be measured, and the motor is started. The motor drives the rotating shaft to rotate, and the rotating shaft drives the clamping frame to rotate. The clamping frame drives the object to be measured to rotate through the clamping block, so that the heating of the object to be measured is more uniform, and the bottom surface of the object is not blocked by the load-bearing components, thereby reducing the test error.

[0005] For further improvement, a handle is fixedly connected to the upper end of the screw rod, and the handle makes it more convenient to rotate the screw rod.

[0006] For further improvement, a limiting groove is opened at the front end of the fixed block, the limiting block is slidably connected to the inner side of the limiting groove, the upper end of the limiting block is fixedly connected to a support shaft, the upper end of the support shaft is fixedly connected to a support plate, the support plate can support the object to be measured, making it more convenient to clamp the object to be measured.

[0007] As a further improvement, a baffle is rotatably connected to the front end of the box body, and the baffle can prevent the box door from being opened, so that the use effect of the device is better.

[0008] For further improvement, the upper and lower ends of the baffle are fixedly connected with installation shafts, a sliding hole is opened at the rear end of the installation shaft, a pressing shaft is slidably connected to the inner side of the sliding hole, a connecting shaft is fixedly connected to the front end of the pressing shaft, the connecting shaft passes through the installation shaft, and a spring installed on the inner side of the sliding hole is provided on the outer side of the connecting shaft. The spring can drive the pressing shaft to tighten the box door, so that the use effect of the box door is better.

[0009] For further improvement, the rear end of the pressing shaft is fixedly connected with a positioning shaft, the front end of the box door is provided with a positioning hole, and the positioning shaft is slidably connected to the inner side of the positioning hole, so that the use effect of the device is better.

[0010] For further improvement, the upper and lower connecting shafts are fixedly connected by a connecting plate, making the device more convenient to use.

[0011] For further improvement, a placement hole is opened at the front end of the box body, and the positioning shaft can be slidably connected to the inner side of the placement hole. When the box door is opened, the positioning shaft can be slid into the inner side of the placement hole, making the device more convenient to use.

[0012] As a further improvement, a first handle is fixedly connected to the front end of the door, making it more convenient to open the door.

[0013] For further improvement, the left end of the box body is fixedly connected with a placement box, the front end of the placement box is rotatably connected with a sealing door, the front end of the placement box is rotatably connected with a rotating block, and the rotating block can prevent the sealing door from opening.

[0014] As a further improvement, a second handle is fixedly connected to the front end of the sealed door, making it more convenient to open the sealed door.

[0015] The beneficial effects of the utility model are as follows: the object to be measured is placed between the left and right clamping frames, the screw is rotated, the screw drives the clamping block to move downward, the object to be measured is clamped and fixed, the motor is started, the motor drives the rotating shaft to rotate, the rotating shaft drives the clamping frame to rotate, the clamping frame drives the object to be measured to rotate through the clamping block, so that the object to be measured is heated more evenly, the bottom surface of the object is not blocked by the bearing components, and the test error is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2It is a structural schematic diagram of the box body of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the box body of the utility model;

[0019] Figure 4 This is a structural schematic diagram of the fixed block of the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the clamping frame of the utility model;

[0021] Figure 6 This is a schematic diagram of the structure of the baffle of the utility model;

[0022] Figure 7 It is a right sectional view of the installation shaft of the utility model.

[0023] Explanation of the accompanying drawings: 1. Box body; 11. Door frame; 12. Box door; 121. Positioning hole; 122. First handle; 13. Placement hole; 14. Baffle; 15. Mounting shaft; 151. Slide hole; 16. Press shaft; 161. Connecting shaft; 162. Connecting plate; 163. Positioning shaft; 17. Spring; 2. Fixed block; 21. Slide groove; 22. Mounting block; 221. Sliding block; 23. Clamping frame; 231. Clamping block; 232. Screw; 233. Turning handle; 234. Rotating shaft; 24. Motor; 25. Limiting groove; 26. Support plate; 261. Supporting shaft; 262. Limiting block; 3. Placement box; 31. Sealing door; 32. Rotating block; 33. Second handle. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings:

[0025] like Figure 1-Figure 5 As shown: In this embodiment, a yellowing resistance tester for whitening agents includes a box body 1, a door frame 11 is opened at the front end of the box body 1, a box door 12 rotatably connected to the box body 1 is arranged in the door frame 11, a fixed block 2 is fixedly connected to the inside of the box body 1, a slide groove 21 is opened at the upper end of the fixed block 2, a slider 221 is slidably connected to the inside of the slide groove 21, a mounting block 22 is fixedly connected to the upper end of the slider 221, a motor 24 fixedly connected to the inside of the box body 1 is arranged at the right end of the mounting block 22, a rotating shaft 234 is connected to the left end of the motor 24 and the right end of the mounting block 22, and the rotating shaft 234 is rotatably connected to the mounting block 22, the rotating shaft 234 is fixedly connected to the clamping frame 23, the inner side of the clamping frame 23 is slidably connected to the clamping block 231, the clamping frame 23 is rotatably connected to the screw rod 232, the screw rod 232 is threadedly connected to the clamping block 231, the upper end of the screw rod 232 is fixedly connected to the turning handle 233, a limiting groove 25 is opened at the front end of the fixed block 2, the inner side of the limiting groove 25 is slidably connected to the limiting block 262, the upper end of the limiting block 262 is fixedly connected to the supporting shaft 261, and the upper end of the supporting shaft 261 is fixedly connected to the supporting plate 26.

[0026] like Figure 1-Figure 2 and Figure 6-Figure 7 As shown: the front end of the box body 1 is rotatably connected to a baffle 14, and the upper and lower ends of the baffle 14 are fixedly connected to a mounting shaft 15, a sliding hole 151 is opened at the rear end of the mounting shaft 15, and a pressing shaft 16 is slidably connected to the inner side of the sliding hole 151, and a connecting shaft 161 is fixedly connected to the front end of the pressing shaft 16, and a spring 17 installed on the inner side of the sliding hole 151 is provided on the outer side of the connecting shaft 161, and a positioning shaft 163 is fixedly connected to the rear end of the pressing shaft 16, a positioning hole 121 is opened at the front end of the box door 12, and the positioning shaft 163 is slidably connected to the inner side of the positioning hole 121, and the upper and lower connecting shafts 161 are fixedly connected by a connecting plate 162, a placement hole 13 is opened at the front end of the box body 1, and the positioning shaft 163 can be slidably connected to the inner side of the placement hole 13, and a first handle 122 is fixedly connected to the front end of the box door 12.

[0027] like Figure 1 As shown: the left end of the box body 1 is fixedly connected to a storage box 3, the front end of the storage box 3 is rotatably connected to a sealing door 31, the front end of the storage box 3 is rotatably connected to a rotating block 32, and the front end of the sealing door 31 is fixedly connected to a second handle 33.

[0028] When the utility model is in use, the connecting plate 162 is pulled forward, the connecting plate 162 drives the connecting shaft 161 to move forward, the connecting shaft 161 drives the pressing shaft 16 to move forward, the pressing shaft 16 drives the positioning shaft 163 away from the positioning hole 121, the baffle plate 14 is rotated, so that the baffle plate 14 is away from the box door 12, the connecting plate 162 is released, the spring 17 rebounds and drives the positioning shaft 163 to slide into the inner side of the placement hole 13, the box door 12 is opened by the first handle 122, the object to be measured is placed between the left and right clamping frames 23, the object to be measured is supported by the support plate 26, the screw 232 is rotated, and the screw 232 drives the clamping block 231 down Move the object to be tested to clamp and fix it, move the limit block 262 forward, so that the limit block 262 is away from the limit groove 25, so as to take out the support plate 26, and place the support plate 26 on the inside of the placement box 3 to avoid losing the support plate 26, close the box door 12, rotate the baffle 14, so that the positioning shaft 163 slides into the inside of the positioning hole 121 to prevent the box door 12 from being opened, and the motor 24 drives the rotating shaft 234 to rotate, and the rotating shaft 234 drives the clamping frame 23 to rotate, and the clamping frame 23 drives the object to be tested to rotate through the clamping block 231, so that the heating of the object to be tested is more uniform, and the bottom surface of the object is not blocked by the load-bearing components, thereby reducing the test error.

[0029] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A yellowing resistance tester for whitening agents, comprising a box (1), a door frame (11) being provided at the front end of the box (1), a box door (12) being rotatably connected to the box (1) being provided in the door frame (11), wherein: A fixed block (2) is fixedly connected to the inner side of the box body (1), a slide groove (21) is formed at the left end of the fixed block (2), a slider (221) is slidably connected to the inner side of the slide groove (21), a mounting block (22) is fixedly connected to the upper end of the slider (221), a motor (24) fixedly connected to the inner side of the box body (1) is provided at the right end of the mounting block (22), a rotating shaft (234) is connected to the left end of the motor (24) and the right end of the mounting block (22), the rotating shaft (234) is rotatably connected to the mounting block (22), a clamping frame (23) is fixedly connected to the rotating shaft (234), a clamping block (231) is slidably connected to the inner side of the clamping frame (23), a screw rod (232) is rotatably connected to the clamping frame (23), and the screw rod (232) is threadedly connected to the clamping block (231).

2. The yellowing resistance testing machine for whitening agents according to claim 1, characterized in that: The upper end of the screw rod (232) is fixedly connected to a turning handle (233).

3. The yellowing resistance testing machine for whitening agents according to claim 1, characterized in that: The front end of the fixed block (2) is provided with a limiting groove (25), the inner side of the limiting groove (25) is slidably connected to the limiting block (262), the upper end of the limiting block (262) is fixedly connected to a support shaft (261), and the upper end of the support shaft (261) is fixedly connected to a support plate (26).

4. The yellowing resistance testing machine for whitening agents according to claim 1, characterized in that: The front end of the box body (1) is rotatably connected to a baffle (14).

5. The yellowing resistance testing machine for whitening agents according to claim 4, characterized in that: The baffle (14) is fixedly connected to a mounting shaft (15) at both upper and lower ends; a sliding hole (151) is formed at the rear end of the mounting shaft (15); a pressing shaft (16) is slidably connected to the inside of the sliding hole (151); a connecting shaft (161) is fixedly connected to the front end of the pressing shaft (16); and a spring (17) mounted on the inside of the sliding hole (151) is provided on the outside of the connecting shaft (161).

6. The yellowing resistance testing machine for whitening agents according to claim 5, characterized in that: The rear end of the pressing shaft (16) is fixedly connected to a positioning shaft (163), the front end of the box door (12) is provided with a positioning hole (121), and the positioning shaft (163) is slidably connected to the inner side of the positioning hole (121).

7. The yellowing resistance testing machine for whitening agents according to claim 5, characterized in that: The upper and lower connecting shafts (161) are fixedly connected via a connecting plate (162).

8. The yellowing resistance testing machine for whitening agents according to claim 1, characterized in that: The front end of the box body (1) is provided with a placement hole (13), and the positioning shaft (163) is slidably connected to the inner side of the placement hole (13).

9. The yellowing resistance testing machine for whitening agents according to claim 1, characterized in that: A first handle (122) is fixedly connected to the front end of the door (12).

10. The yellowing resistance testing machine for whitening agents according to claim 1, characterized in that: The left end of the box body (1) is fixedly connected to a placement box (3), the front end of the placement box (3) is rotatably connected to a sealing door (31), and the front end of the placement box (3) is rotatably connected to a rotating block (32).

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