Plastic bottle sealing performance detection equipment

Abstract

The utility model provides a plastic bottle sealing performance detection device. Relates to the technical field of plastic bottle processing, and the plastic bottle sealing performance detection equipment comprises a water storage tank, two fixing blocks are fixedly installed on the inner wall of the bottom of the water storage tank, a same double-thread screw is rotatably installed between the two fixing blocks, and a waterproof motor is arranged on one side of the corresponding fixing block. An output shaft of the waterproof motor is fixedly connected with one end of a double-thread screw, two moving blocks are installed on the double-thread screw in a threaded mode, hinge rods are rotatably installed on the two moving blocks, a same connecting block is rotatably installed at the top ends of the two hinge rods, and four connecting frames are fixedly installed on the connecting block. And hanging buckles are installed on the four connecting frames in a sliding mode correspondingly, and placing tables are fixedly installed on the four hanging buckles correspondingly. The plastic bottle sealing detection device has the advantages that sealing detection can be carried out on a plurality of plastic bottles at a time, the detection efficiency is relatively high, and more time is saved.

Description

Technical Field

[0001] This utility model relates to the field of plastic bottle processing technology, and in particular to a plastic bottle sealing performance testing device. Background Technology

[0002] Plastic bottles are bottles made of plastic and are used in many fields. To ensure the airtightness of plastic bottles, their airtightness needs to be tested after they are manufactured. One of the most common testing methods is to use vacuum negative pressure to test the airtightness of plastic bottles. A sample of plastic bottles is selected, and vacuum negative pressure is achieved by using a vacuum pump to remove the air from the cavity of the test plastic bottle, creating a negative pressure state. Under this state, if there is a leak in the plastic bottle, the air inside the bottle will escape outward through the leak point, forming bubbles. Testers can judge the airtightness of the bottle by observing these bubbles. This is a direct way to determine whether the airtightness of the plastic bottle meets the standards.

[0003] Traditionally, when performing sealing tests using vacuum negative pressure, only a limited number of plastic bottles can be tested at a time. Therefore, the testing process needs to be repeated multiple times, wasting a considerable amount of time and failing to further improve testing efficiency. It is also inconvenient to test multiple plastic bottles simultaneously.

[0004] Therefore, it is necessary to provide a new device for testing the sealing performance of plastic bottles to solve the above-mentioned technical problems. Utility Model Content

[0005] The purpose of this invention is to provide a plastic bottle sealing test device that can perform sealing tests on multiple plastic bottles at once, which is more efficient and saves more time.

[0006] To solve the above-mentioned technical problems, the plastic bottle sealing performance testing device provided by this utility model includes: a water storage tank, two fixing blocks fixedly installed on the bottom inner wall of the water storage tank, a double-ended screw rotatably installed between the two fixing blocks, a waterproof motor provided on one side of the corresponding fixing block, the output shaft of the waterproof motor being fixedly connected to one end of the double-ended screw, two moving blocks threadedly installed on the double-ended screw, a hinge rod rotatably installed on each of the two moving blocks, a common connecting block rotatably installed at the top of the two hinge rods, four connecting brackets fixedly installed on the connecting block, hooks slidably installed on each of the four connecting brackets, a placement platform fixedly installed on each of the four hooks, and a fixing frame fixedly installed on the top of the connecting block. Two strip-shaped holes are opened on the top of the connecting block. A threaded rod is rotatably installed on the top of the connecting block. The threaded rod is rotatably connected to the fixing frame. A drive motor is set on the top of the fixing frame. The output shaft of the drive motor is fixedly connected to the top of the threaded rod. The same cross block is threaded on the threaded rod. Four horizontal plates are fixedly installed on the cross block. The same circular tube is fixedly installed on the top of the four horizontal plates. Four mounting tubes are fixedly installed on the circular tube. Multiple diverter tubes are fixedly installed at the bottom of each of the four mounting tubes. The multiple diverter tubes are fixedly connected to the four mounting tubes respectively. A vacuum pump is fixedly installed on the top of the fixing frame. A hose is fixedly installed on the air inlet of the vacuum pump. The end of the hose away from the vacuum pump is fixedly connected to the circular tube.

[0007] Preferably, two annular blocks are fixedly sleeved on the double-ended screw, and the two annular blocks are in contact with the two movable blocks respectively. The bottom of each of the two movable blocks is embedded with a ball bearing, and the two ball bearings are in contact with the bottom inner wall of the water tank.

[0008] Preferably, two longitudinal rods are fixedly installed on the top inner wall of the fixing frame, the bottom ends of the two longitudinal rods are fixedly connected to the top of the connecting block, and the two longitudinal rods are slidably connected to the cross block.

[0009] Preferably, two U-shaped clamps are fixedly installed on each of the four horizontal plates, and each of the four U-shaped clamps is fixedly connected to the circular tube.

[0010] Preferably, two U-shaped clamps are fixedly installed on the top of each of the four mounting pipes, and the eight U-shaped clamps are respectively fixedly connected to the four mounting pipes.

[0011] Preferably, annular pads are fixedly installed at the bottom of each of the four horizontal plates, and support plates are fixedly installed on the bottom inner walls of each of the four placement platforms.

[0012] Preferably, the bottom of the connecting block is provided with an installation groove, and two mating round rods are fixedly installed on the inner walls of both sides of the installation groove. The two mating round rods are rotatably connected to the two hinge rods respectively.

[0013] Compared with related technologies, the plastic bottle sealing performance testing equipment provided by this utility model has the following advantages:

[0014] In this invention, multiple plastic bottles are placed on four platforms. The drive motor is then activated to adjust the height of the four horizontal plates, which press down on the bottles to determine their position. A waterproof motor is then activated to adjust the height of the bottles, immersing them in water. A vacuum pump is then activated to remove some air from the bottles, allowing for easy observation of whether air bubbles are generated and whether the bottles are properly sealed. The four platforms can accommodate a large number of bottles, enabling the testing of more bottles at once and thus improving testing efficiency. Attached Figure Description

[0015] Figure 1 A front view schematic diagram of a preferred embodiment of the plastic bottle sealing test equipment provided by this utility model;

[0016] Figure 2 This is a frontal sectional view of the present invention.

[0017] Figure 3 for Figure 2 A partially enlarged schematic diagram of the connecting block shown;

[0018] Figure 4 for Figure 3 An enlarged schematic diagram of the cross-shaped block shown;

[0019] Figure 5 This is a front sectional view of the water storage tank in this utility model;

[0020] Figure 6 for Figure 5 An enlarged schematic diagram of the fixture shown.

[0021] The following are labeled in the diagram: 1. Water tank; 2. Fixing block; 3. Double-ended screw; 4. Waterproof motor; 5. Moving block; 6. Hinge rod; 7. Connecting block; 8. Connecting frame; 9. Hook; 10. Placement platform; 11. Fixing frame; 12. Strip hole; 13. Threaded rod; 14. Drive motor; 15. Cross block; 16. Horizontal plate; 17. Circular tube; 18. Installation tube; 19. Diverter tube; 20. Vacuum pump; 21. Hose. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] Please refer to the following: Figures 1-6 ,in, Figure 1 A front view schematic diagram of a preferred embodiment of the plastic bottle sealing test equipment provided by this utility model; Figure 2 This is a frontal sectional view of the present invention. Figure 3 for Figure 2 A partially enlarged schematic diagram of the connecting block shown; Figure 4 for Figure 3 An enlarged schematic diagram of the cross-shaped block shown; Figure 5 This is a front sectional view of the water storage tank in this utility model; Figure 6 for Figure 5 The diagram shows an enlarged view of the fixing frame. The plastic bottle sealing test equipment includes: a water tank 1, made of transparent glass; two fixing blocks 2 fixedly installed on the bottom inner wall of the water tank 1; a double-ended screw 3 rotatably installed between the two fixing blocks 2; a waterproof motor 4 located on one side of the right fixing block 2; the output shaft of the waterproof motor 4 fixedly connected to the right end of the double-ended screw 3; two moving blocks 5 threadedly installed on the double-ended screw 3; the two fixing blocks 2, the double-ended screw 3, and the two moving blocks 5 are all made of waterproof material; a hinge rod 6 rotatably installed on each of the two moving blocks 5; a connecting block 7 rotatably installed at the top of each of the two hinge rods 6; four connecting frames 8 fixedly installed on the connecting block 7, arranged in a rectangular array; hooks 9 slidably installed on each of the four connecting frames 8; a placement platform 10 fixedly installed on each of the four hooks 9; a fixing frame 11 fixedly installed on the top of the connecting block 7; two slotted holes 12 opened on the fixing frame 11; and a threaded rod 13 rotatably installed on the top of the connecting block 7. 13 is rotatably connected to the fixed frame 11. The top of the fixed frame 11 is equipped with a drive motor 14. The output shaft of the drive motor 14 is fixedly connected to the top of the threaded rod 13. The same cross block 15 is threaded on the threaded rod 13. The cross block 15 is slidably installed in two strip holes 12. Four horizontal plates 16 are fixedly installed on the cross block 15. The four horizontal plates 16 are also distributed in a rectangular array. The positions of the four horizontal plates 16 are adapted to the four placement platforms 10. The top of the four horizontal plates 16 is fixedly installed with the same circular tube 17. Four mounting tubes 18 are fixedly installed on the circular tube 17. The four mounting tubes 18 are respectively located on the top of the four horizontal plates 16. Multiple diverter tubes 19 are fixedly installed at the bottom of each of the four mounting tubes 18. The multiple diverter tubes 19 are fixedly connected to the four mounting tubes 18 respectively. A vacuum pump 20 is fixedly installed on the top of the fixed frame 11. A hose 21 is fixedly installed on the air inlet of the vacuum pump 20. The end of the hose 21 away from the vacuum pump 20 is fixedly connected to the circular tube 17.

[0024] In order to limit the movement range of the two moving blocks 5 and increase the smoothness of their movement, in this method, two annular blocks are fixedly sleeved on the double-ended screw 3. The two annular blocks are in contact with the two moving blocks 5 respectively. Rolling balls are embedded in the bottom of the two moving blocks 5, and the two rolling balls are in contact with the bottom inner wall of the water tank 1.

[0025] In order to limit the movement tendency of the cross block 15 and increase its stability, in this method, two longitudinal rods are fixedly installed on the top inner wall of the fixing frame 11. The bottom ends of the two longitudinal rods are fixedly connected to the top of the connecting block 7, and the two longitudinal rods are slidably connected to the cross block 15.

[0026] To increase the stability of the installation of the circular tube 17 and the four mounting tubes 18, in this method, two U-shaped clamps are fixedly installed on each of the four horizontal plates 16, and all eight U-shaped clamps are fixedly connected to the circular tube 17. Two U-shaped clamps are fixedly installed on the top of each of the four mounting tubes 18, and the eight U-shaped clamps are fixedly connected to the four mounting tubes 18 respectively.

[0027] To increase the sealing of the plastic bottles and ensure their stability, in this method, annular pads are fixedly installed at the bottom of each of the four horizontal plates 16, and support plates are fixedly installed on the inner bottom walls of each of the four placement platforms 10.

[0028] In order to reserve space for the top ends of the two hinge rods 6 at the bottom of the connecting block 7, in this method, the bottom of the connecting block 7 is provided with an installation groove, and two mating round rods are fixedly installed on the inner walls of both sides of the installation groove. The two mating round rods are rotatably connected to the two hinge rods 6 respectively.

[0029] The working principle of the plastic bottle sealing performance testing device provided by this utility model is as follows:

[0030] When a sealing test is required on a plastic bottle, first inject an appropriate amount of clean water into the water tank 1. Then, place the plastic bottles to be tested one by one into the four placement platforms 10. After the plastic bottles are placed, start the drive motor 14. The output shaft of the drive motor 14 will drive the threaded rod 13 fixedly connected to it to rotate. The cross block 15 will move downward on the threaded rod 13. As the cross block 15 moves downward, it will drive the four horizontal plates 16 until the multiple diversion tubes 19 are slidably inserted into the multiple plastic bottles. The multiple annular pads will contact the bottle mouths of the multiple plastic bottles. After being pressed by the four horizontal plates 16, the plastic bottles will be fixed between the four placement platforms 10 and the four horizontal plates 16. Then, the drive motor 14 will automatically turn off.

[0031] Next, start the waterproof motor 4. The output shaft of the waterproof motor 4 will drive the double-headed screw 3 fixedly connected to it. During the rotation of the double-headed screw 3, the two moving blocks 5 will move simultaneously on the double-headed screw 3, and the distance between the two moving blocks 5 will gradually increase. The two hinge rods 6 will gradually rotate with the two moving blocks 5 and the connecting block 7. As the two hinge rods 6 gradually open, the connecting block 7 will gradually slide into the water tank 1, thereby causing the multiple plastic bottles placed on the four placement platforms 10 to gradually immerse in the water until the multiple plastic bottles are completely submerged in the water. Then, the waterproof motor 4 can be turned off, and then the vacuum pump 20 can be started. The gas in the multiple plastic bottles will pass through multiple diversion pipes. 19 enters the four installation tubes 18, then enters the vacuum pump 20 through the circular tube 17 and the flexible tube 21, and is discharged outward through the air outlet of the vacuum pump 20. The vacuum pump 20 is turned off immediately after being turned on for a period of time. Since some air is drawn away, the inside of the multiple plastic bottles is in a negative pressure state. Observe the plastic bottles through the water tank 1 to see if there are bubbles on the bottle body. If there are bubbles, it means that the plastic bottle is leaking. If there are no bubbles, it means that the plastic bottle is well sealed. After the multiple plastic bottles are soaked for a while and observed, the waterproof motor 4 is started again. The output shaft of the waterproof motor 4 is started in the opposite direction to move the connecting block 7 along with the multiple plastic bottles out of the water tank 1.

[0032] Compared with related technologies, the plastic bottle sealing performance testing equipment provided by this utility model has the following advantages:

[0033] In this invention, by placing multiple plastic bottles on four placement platforms 10, the drive motor 14 is activated to adjust the height of the four horizontal plates 16, so that the four horizontal plates 16 press down on the multiple plastic bottles to determine their position. Then, the waterproof motor 4 is activated to adjust the height of the multiple plastic bottles, immersing them in water. After that, the vacuum pump 20 is activated to extract some of the air from the multiple plastic bottles, allowing for observation of whether air bubbles are generated in the plastic bottles. This provides a direct view of whether the plastic bottles are sealed. The four placement platforms 10 can accommodate a large number of plastic bottles, enabling the testing of more plastic bottles at once, thereby relatively improving the testing efficiency.

[0034] It should be noted that the device structure and accompanying drawings of this utility model mainly describe the principle of this utility model. In terms of the technical aspects of this design principle, the setting of the power mechanism, power supply system and control system of the device is not fully described. However, those skilled in the art who understand the principle of the above utility model can clearly understand the specific details of its power mechanism, power supply system and control system.

[0035] The above are merely embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A plastic bottle tightness detection apparatus comprising: The utility model provides an automatic water storage tank, which comprises a water storage tank, two fixed blocks fixedly installed on the inner wall of the bottom of the water storage tank, a double-end screw rod rotatably installed between the two fixed blocks, a waterproof motor arranged on one side of the corresponding fixed block, an output shaft of the waterproof motor fixedly connected with one end of the double-end screw rod, two moving blocks threadedly installed on the double-end screw rod, a hinged rod rotatably installed on the two moving blocks, a connecting block rotatably installed at the top end of the two hinged rods, four link frames fixedly installed on the connecting block, a hanging buckle slidably installed on each of the four link frames, a placing table fixedly installed on each of the four hanging buckles, a fixed frame fixedly installed on the top of the connecting block, two strip-shaped holes formed in the fixed frame, a threaded rod rotatably installed on the top of the connecting block, the threaded rod rotatably connected with the fixed frame, a driving motor arranged on the top of the fixed frame, an output shaft of the driving motor fixedly connected with the top end of the threaded rod, a cross block threadedly installed on the threaded rod, four horizontal plates fixedly installed on the cross block, a circular tube fixedly installed on the top of the four horizontal plates, four installation tubes fixedly installed on the circular tube, a plurality of shunt tubes fixedly installed on the bottom of each of the four installation tubes, the plurality of shunt tubes fixedly connected with the four installation tubes respectively, and a vacuum pump fixedly installed on the top of the fixed frame, a hose fixedly installed on the air inlet of the vacuum pump, and the end of the hose away from the vacuum pump fixedly connected with the circular tube.

2. The plastic bottle tightness detecting apparatus according to claim 1, wherein Two annular blocks are fixedly sleeved on the double-end screw rod, the two annular blocks are in contact with the two moving blocks respectively, and the bottom of each of the two moving blocks is inlaid with a rolling bead, and the two rolling beads are in contact with the inner wall of the bottom of the water storage tank.

3. The plastic bottle tightness detecting apparatus according to claim 1, wherein Two longitudinal rods are fixedly installed on the top inner wall of the fixed frame, the bottom end of each of the two longitudinal rods is fixedly connected with the top of the connecting block, and the two longitudinal rods are slidably connected with the cross block.

4. The plastic bottle tightness detecting apparatus according to claim 1, wherein Two U-shaped clamps I are fixedly installed on each of the four horizontal plates, and the two U-shaped clamps I are fixedly connected with the circular tube.

5. The plastic bottle tightness detecting apparatus according to claim 1, wherein Two U-shaped clamps II are fixedly installed on the top of each of the four installation tubes, and eight U-shaped clamps are fixedly connected with the four installation tubes respectively.

6. The plastic bottle tightness detecting apparatus according to claim 1, wherein Annular gaskets are fixedly installed on the bottom of each of the four horizontal plates, and supporting plates are fixedly installed on the inner wall of the bottom of each of the four placing tables.

7. The plastic bottle tightness detecting apparatus according to claim 1, wherein An installation groove is formed in the bottom of the connecting block, two butt joint circular rods are fixedly installed on the inner walls on the two sides of the installation groove, and the two butt joint circular rods are rotatably connected with the two hinged rods respectively.

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