A heat shrink test device

Abstract

The utility model relates to a kind of heat shrinkage testing devices, including base, oil bath pot and cleaning tank are respectively installed in the base, the bottom of the cleaning tank is installed with ultrasonic generator, the upper end face rear end of the base is fixed with vertical board, the front side wall left side of the vertical board is symmetric and fixedly connected with two fixed plates, screw rod is rotatably connected between two the fixed plate, the upper end surface of the fixed plate in upper side is fixedly connected with first motor.The utility model is provided with oil bath pot, screw rod, first motor, lifting plate, rotating plate and sample clamping mechanism, realize the clamping of the sample to be tested by automation, the sample is placed in heating medium to carry out heat shrinkage test by automation, to avoid the risk of scalding, can reduce the error caused by human in the operation process of inspector, improve the accuracy of measurement result, solve the problem of low automation degree and scalding risk in prior art.

Description

Technical Field

[0001] This utility model relates to the field of heat shrinkage testing technology, and in particular to a heat shrinkage testing device. Background Technology

[0002] In the production and application of polymer materials (such as plastic films and heat shrink tubing), heat shrinkability is one of the key indicators for evaluating their quality and suitability, directly affecting the material's performance in packaging, insulation, and protection applications. Heat shrinkability testing typically requires placing the sample in a temperature-controlled heating medium for the heat shrinkage test.

[0003] Currently, existing heat shrinkage testing devices have the following problems: (1) Traditional heat shrinkage testing devices rely heavily on manual operation, such as manually holding the sample and placing it into the heating container. The automation level of manual sample holding is low, and there is a risk of burns when the sample is placed in the heating medium for testing. Existing heat shrinkage testing devices make it inconvenient to clean the samples after testing, which hinders subsequent inspections.

[0004] Therefore, we have made improvements to this and proposed a heat shrinkage testing device. Summary of the Invention

[0005] The purpose of this invention is to overcome the above-mentioned shortcomings and provide a heat shrinkage testing device that addresses the problems of inconvenience in automatically clamping samples, the risk of burns, and the inconvenience in cleaning samples after testing.

[0006] The purpose of this utility model is achieved as follows: A heat shrinkage testing device includes a base, in which an oil bath and a cleaning chamber are respectively installed. An ultrasonic generator is installed at the bottom of the cleaning chamber. A vertical plate is fixed to the rear end of the upper surface of the base. Two fixed plates are symmetrically and fixedly connected to the left side of the front side wall of the vertical plate. A threaded rod is rotatably connected between the two fixed plates. A first motor is fixedly connected to the upper surface of the upper fixed plate. The drive end of the first motor is fixedly connected to the top end of the threaded rod. A lifting plate is threadedly connected to the threaded rod. A rotating shaft is rotatably connected to the front end of the lifting plate. A rotating plate is fixedly connected to the rotating shaft. An adjustment mechanism for adjusting the position of the rotating plate is provided on the lifting plate. A sample clamping mechanism is provided on the lower side of the rotating plate.

[0007] Preferably, the adjusting mechanism includes a driven gear fixed to the bottom end of the rotating shaft, a bearing on the upper end face of the lifting plate away from the threaded rod, a rotating sleeve fixedly connected to the inner side wall of the inner ring of the bearing, the bottom end of the rotating sleeve penetrating the lifting plate and extending to the lower part, a driving gear meshing with the driven gear fixedly connected to the bottom of the rotating sleeve, a splined shaft slidably connected inside the rotating sleeve, connecting plates rotatably connected to both the upper and lower ends of the splined shaft, the connecting plates being fixedly connected to the vertical plate respectively, a second motor fixedly connected to the upper end face of the upper connecting plate, and the driving end of the second motor being fixedly connected to the top end of the splined shaft.

[0008] Preferably, the sample clamping mechanism includes a connecting frame fixed to the outer end of the lower end face of the rotating plate, a connecting frame fixedly connected to the bottom end of the connecting frame, a mounting frame fixedly connected to the bottom end of the connecting frame, two clamping blocks symmetrically and slidably connected inside the mounting frame, movable openings provided on the front and rear side walls of the mounting frame, two sliding columns cooperating with the movable openings fixedly connected to the front and rear side walls of the two clamping blocks, connecting ears fixedly connected to the upper end faces of the two clamping blocks, rotating rods rotatably connected to the connecting ears, lifting blocks rotatably connected to the top end of the rotating rods, and a telescopic cylinder fixedly connected to the upper end face of the connecting frame, the driving end of the telescopic cylinder passing through the connecting frame and fixedly connected to the lifting block.

[0009] Preferably, the oil bath is equipped with a temperature sensor, a bracket is fixedly connected to the temperature sensor, the bottom end of the bracket is fixedly connected to the base, and a control panel is installed on the front side wall of the base.

[0010] Preferably, a drain pipe is fixedly connected to the rear side wall of the cleaning tank. The drain pipe passes through the rear side wall of the base and extends to the outside. A control valve is fixedly connected to the outer end of the drain pipe.

[0011] Preferably, the front end of the lifting plate is provided with an arc-shaped opening, and a limiting post is slidably connected inside the arc-shaped opening. The bottom end of the limiting post is fixedly connected to the upper end surface of the rotating plate.

[0012] Compared with the prior art, the beneficial effects of this utility model are: (1) This utility model achieves automated clamping of the sample to be tested by setting up an oil bath, a threaded rod, a first motor, a lifting plate, a rotating plate and a sample clamping mechanism, and automatically places the sample in the heating medium for heat shrinkage testing, avoiding the risk of burns, reducing human error caused by inspectors during operation, improving the accuracy of measurement results, and solving the problems of low automation and risk of burns in the prior art. (2) This utility model realizes the automated transfer of heat-shrinked samples to the cleaning box for cleaning by setting up a cleaning box, ultrasonic generator, rotating plate and adjustment mechanism, ensuring the cleanliness of the samples after testing and facilitating subsequent testing of the samples, thus solving the problem of inconvenience in cleaning heat-shrinked samples in the prior art. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the rear structure of this utility model; Figure 3 This is a schematic diagram of the adjustment mechanism of this utility model; Figure 4 This is a schematic diagram of the bottom structure of the cleaning box of this utility model; Figure 5 This is a schematic diagram of the sample clamping mechanism of this utility model; Figure 6 This is a side view of the structure of this utility model.

[0014] The image shows: 1. Base; 2. Oil bath; 3. Cleaning tank; 4. Ultrasonic generator; 5. Vertical plate; 6. Fixed plate; 7. Threaded rod; 8. First motor; 9. Lifting plate; 10. Rotating shaft; 11. Rotating plate; 12. Adjustment mechanism; 1201. Driven gear; 1202. Bearing; 1203. Rotating sleeve; 1204. Drive gear; 1205. Splined shaft; 1206. Connecting plate; 1207. Second motor; 13. Clamp Sample mechanism; 1301, connecting frame; 1302, connecting frame; 1303, mounting frame; 1304, clamping block; 1305, movable opening; 1306, sliding column; 1307, connecting ear; 1308, rotating rod; 1309, lifting block; 1310, telescopic cylinder; 14, temperature sensor; 15, bracket; 16, control panel; 17, drain pipe; 18, control valve; 19, arc-shaped opening; 20, limit post. Detailed Implementation

[0015] To better understand the technical solution of this utility model, a detailed description will be provided below in conjunction with relevant illustrations. It should be understood that the specific embodiments described below are not intended to limit the specific implementation of the technical solution of this utility model, but are merely possible implementations of the technical solution of this utility model. It should be noted that the descriptions of the positional relationships of the components herein, such as component A being located above component B, are based on the relative positions of the components in the illustrations and are not intended to limit the actual positional relationships of the components. Example

[0016] See Figure 1-6 , Figure 1A schematic diagram of a heat shrinkage testing device according to Embodiment 1 is shown. As shown in the figure, the heat shrinkage testing device according to Embodiment 1 includes a base 1, an oil bath 2 and a cleaning tank 3 are respectively installed in the base 1, an ultrasonic generator 4 is installed at the bottom of the cleaning tank 3, a vertical plate 5 is fixed to the rear end of the upper surface of the base 1, two fixed plates 6 are symmetrically and fixedly connected to the left side of the front side wall of the vertical plate 5, and a threaded rod 7 is rotatably connected between the two fixed plates 6. A first motor 8 is fixedly connected to the upper surface of the upper fixed plate 6, the drive end of the first motor 8 is fixedly connected to the top end of the threaded rod 7, a lifting plate 9 is threadedly connected to the threaded rod 7, a rotating shaft 10 is rotatably connected to the front end of the lifting plate 9, and a rotating plate 11 is fixedly connected to the rotating shaft 10. The plate 9 is equipped with an adjustment mechanism 12 for adjusting the position of the rotating plate 11. The lower side of the rotating plate 11 is equipped with a sample clamping mechanism 13. The first motor 8 drives the threaded rod 7 to rotate. When the threaded rod 7 rotates, the lifting plate 9 will move in a straight line along the threaded rod 7 in the vertical direction, thereby realizing the vertical position adjustment of the sample held by the sample clamping mechanism 13. This allows the sample to be placed in the oil bath 2 for heating test or removed from the oil bath 2 without the need for manual placement of the sample in the oil bath 2, significantly reducing the chance of burns. The sample is automatically immersed in the heating medium, and after the set time, the sample is automatically removed, which can reduce the error caused by human error during the operation of the inspector, thereby improving the accuracy of the measurement results.

[0017] like Figure 1 and Figure 3As shown, the adjusting mechanism 12 includes a driven gear 1201 fixed to the bottom end of the rotating shaft 10, a bearing 1202 on the upper end face of the lifting plate 9 away from the threaded rod 7, a rotating sleeve 1203 fixedly connected to the inner wall of the inner ring of the bearing 1202, the bottom end of the rotating sleeve 1203 penetrating the lifting plate 9 and extending to the lower part, a driving gear 1204 meshing with the driven gear 1201 fixedly connected to the bottom of the rotating sleeve 1203, a splined shaft 1205 slidably connected inside the rotating sleeve 1203, and connecting plates 1206 rotatably connected to both the upper and lower ends of the splined shaft 1205, the connecting plates 1206 being fixedly connected to the vertical plate 5 respectively, and the upper end face of the upper connecting plate 1206... A second motor 1207 is fixedly connected, and the drive end of the second motor 1207 is fixedly connected to the top end of the spline shaft 1205. When the second motor 1207 starts, it drives the spline shaft 1205 to rotate. The spline shaft 1205 drives the rotating sleeve 1203 to rotate. The rotation of the rotating sleeve 1203 drives the drive gear 1204 to rotate. The rotation of the drive gear 1204 drives the driven gear 1201 to rotate. The rotation of the driven gear 1201 drives the rotating shaft 10 and the rotating plate 11 to rotate. This facilitates the automatic adjustment of the position of the sample clamping device, facilitates the clamping of the sample, and also facilitates the placement of the sample in the oil bath 2 and the cleaning box 3 to meet different testing needs.

[0018] like Figure 1 , Figure 5 and Figure 6 As shown, the sample clamping mechanism 13 includes a connecting frame 1301 fixed to the outer end of the lower end face of the rotating plate 11. A connecting frame 1302 is fixedly connected to the bottom end of the connecting frame 1301. A mounting frame 1303 is fixedly connected to the bottom end of the connecting frame 1302. Two clamping blocks 1304 are symmetrically and slidably connected inside the mounting frame 1303. Movable openings 1305 are provided on the front and rear side walls of the mounting frame 1303. Two sliding columns 1306 that cooperate with the movable openings 1305 are fixedly connected to the front and rear side walls of the two clamping blocks 1304. Connecting ears 1307 are fixedly connected to the upper end face of the two clamping blocks 1304. A rotating rod 1308 is rotatably connected to the connecting ear 1307. A lifting block 1309 is rotatably connected to the top of the rotating rod 1308. A telescopic cylinder 1310 is fixedly connected to the upper end face of the connecting frame 1302. The driving end of the telescopic cylinder 1310 passes through the connecting frame 1302 and is fixedly connected to the lifting block 1309. When the telescopic cylinder 1310 extends or retracts, it drives the lifting block 1309 to move up and down. The lifting block 1309 pushes or pulls the two clamping blocks 1304 to slide towards or away from each other in the mounting frame 1303 through the rotating rod 1308, thereby realizing the function of clamping or releasing the sample and realizing automated sample clamping.

[0019] like Figure 1 and Figure 2As shown, a temperature sensor 14 is installed inside the oil bath 2, and a bracket 15 is fixedly connected to the temperature sensor 14. The bottom end of the bracket 15 is fixedly connected to the base 1, and a control panel 16 is installed on the front side wall of the base 1. The temperature sensor 14 monitors the temperature inside the oil bath 2 in real time and transmits the temperature signal to the control panel 16 on the front side wall of the base 1. The control panel 16 controls the heating power of the oil bath 2 based on the comparison between the preset temperature value and the actual monitored temperature value, so as to achieve precise control of the temperature inside the oil bath 2, provide a stable heat shrinkage test environment for the sample, and improve the accuracy of the test.

[0020] like Figure 2 and Figure 4 As shown, a drain pipe 17 is fixedly connected to the rear side wall of the cleaning tank 3. The drain pipe 17 passes through the rear side wall of the base 1 and extends to the outside. A control valve 18 is fixedly connected to the outer end of the drain pipe 17. After the sample completes the heat shrinkage test in the oil bath 2, it is placed in the cleaning tank 3 for ultrasonic cleaning. After cleaning, the control valve 18 is opened, and the waste liquid in the cleaning tank 3 is discharged through the drain pipe 17.

[0021] like Figure 1 and Figure 3 As shown, the lifting plate 9 has an arc-shaped opening 19 at its front end, and a limiting post 20 is slidably connected inside the arc-shaped opening 19. The bottom end of the limiting post 20 is fixedly connected to the upper end face of the rotating plate 11. During the rotation of the rotating plate 11, the limiting post 20 slides inside the arc-shaped opening 19, which limits the rotation angle of the rotating plate 11, prevents the rotating plate 11 from rotating excessively, and ensures the stability and safety of the equipment operation.

[0022] Working principle: This utility model provides a heat shrinkage testing device. In use: First, the temperature of the heating medium in the oil bath 2 is set via the control panel 16 and temperature sensor 14. Then, the sample is held and placed between two clamping blocks 1304. When the telescopic cylinder 1310 retracts, it drives the lifting block 1309 upward. The lifting block 1309 pushes or pulls the two clamping blocks 1304 towards each other within the mounting frame 1303 via the rotating rod 1308, thus automatically clamping the sample. Then, the second motor 1207 starts, driving the spline shaft 1205 to rotate. The spline shaft 1205 drives the rotating sleeve 1203 to rotate. The rotation of the rotating sleeve 1203 drives the drive gear 1204 to rotate. The rotation of gear 1204 drives the driven gear 1201 to rotate, which in turn drives the rotating shaft 10 and the rotating plate 11 to rotate, causing the sample to rotate above the oil bath 2. The first motor 8 drives the threaded rod 7 to rotate. When the threaded rod 7 rotates, the lifting plate 9 moves downward along the threaded rod 7, causing the sample to descend into the oil bath 2 for heat shrinkage testing. After the testing time is reached, the first motor 8 drives the threaded rod 7 to reverse, causing the sample to rise and stand still for a while. Then, the adjusting mechanism 12 places the heat-shrinkable sample above the cleaning chamber 3, and then starts the first motor 8 to place the sample in the cleaning chamber 3. The ultrasonic generator 4 is then started to clean the sample, facilitating subsequent testing and other operations.

[0023] The above are merely specific application examples of this utility model and do not constitute any limitation on the scope of protection of this utility model. All technical solutions formed by equivalent transformations or equivalent substitutions fall within the scope of protection of this utility model.

Claims

1. A heat shrinkage testing device, characterized in that: The device includes a base (1), an oil bath (2) and a cleaning tank (3) are installed in the base (1), an ultrasonic generator (4) is installed at the bottom of the cleaning tank (3), a vertical plate (5) is fixed to the rear end of the upper surface of the base (1), two fixed plates (6) are symmetrically and fixedly connected to the left side of the front side wall of the vertical plate (5), a threaded rod (7) is rotatably connected between the two fixed plates (6), a first motor (8) is fixedly connected to the upper surface of the upper fixed plate (6), the driving end of the first motor (8) is fixedly connected to the top end of the threaded rod (7), a lifting plate (9) is threadedly connected to the threaded rod (7), a rotating shaft (10) is rotatably connected to the front end of the lifting plate (9), a rotating plate (11) is fixedly connected to the rotating shaft (10), an adjustment mechanism (12) for adjusting the position of the rotating plate (11) is provided on the lifting plate (9), and a sample clamping mechanism (13) is provided on the lower side of the rotating plate (11).

2. The heat shrinkage testing device according to claim 1, characterized in that: The adjusting mechanism (12) includes a driven gear (1201) fixed at the bottom of the rotating shaft (10), a bearing (1202) on the upper end face of the lifting plate (9) away from the threaded rod (7), a rotating sleeve (1203) fixedly connected to the inner side wall of the inner ring of the bearing (1202), the bottom end of the rotating sleeve (1203) penetrating the lifting plate (9) and extending to the lower part, and the bottom of the rotating sleeve (1203) fixedly connected to a meshing connection with the driven gear (1201). The drive gear (1204) is slidably connected to the spline shaft (1205) inside the rotating sleeve (1203). Both the upper and lower ends of the spline shaft (1205) are rotatably connected to the connecting plate (1206). The connecting plate (1206) is fixedly connected to the vertical plate (5). The upper end face of the upper connecting plate (1206) is fixedly connected to the second motor (1207). The driving end of the second motor (1207) is fixedly connected to the top end of the spline shaft (1205).

3. The heat shrinkage testing device according to claim 1, characterized in that: The clamping mechanism (13) includes a connecting frame (1301) fixed to the outer end of the lower end face of the rotating plate (11). A connecting frame (1302) is fixedly connected to the bottom end of the connecting frame (1301). A mounting frame (1303) is fixedly connected to the bottom end of the connecting frame (1302). Two clamping blocks (1304) are symmetrically and slidably connected inside the mounting frame (1303). Movable openings (1305) are provided on the front and rear side walls of the mounting frame (1303). Two clamping blocks (1304) are fixedly connected to the front and rear side walls of the two clamping blocks (1304). A sliding column (1306) that cooperates with the movable opening (1305) is provided. Connecting ears (1307) are fixedly connected to the upper end faces of the two clamping blocks (1304). A rotating rod (1308) is rotatably connected to the connecting ear (1307). A lifting block (1309) is rotatably connected to the top end of the rotating rod (1308). A telescopic cylinder (1310) is fixedly connected to the upper end face of the connecting frame (1302). The driving end of the telescopic cylinder (1310) passes through the connecting frame (1302) and is fixedly connected to the lifting block (1309).

4. The heat shrinkage testing device according to claim 1, characterized in that: The oil bath (2) is equipped with a temperature sensor (14), and a bracket (15) is fixedly connected to the temperature sensor (14). The bottom end of the bracket (15) is fixedly connected to the base (1), and a control panel (16) is installed on the front side wall of the base (1).

5. The heat shrinkage testing device according to claim 1, characterized in that: A drain pipe (17) is fixedly connected to the rear side wall of the cleaning tank (3). The drain pipe (17) passes through the rear side wall of the base (1) and extends to the outside. A control valve (18) is fixedly connected to the outer end of the drain pipe (17).

6. The heat shrinkage testing device according to claim 1, characterized in that: The lifting plate (9) has an arc-shaped opening (19) at its front end. A limiting post (20) is slidably connected inside the arc-shaped opening (19). The bottom end of the limiting post (20) is fixedly connected to the upper end face of the rotating plate (11).

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