Sealing test device for packaging film

Abstract

The invention relates to the technical field of packaging film testing, in particular to a sealing testing device for a packaging film. According to the technical scheme, the testing device comprises a testing supporting assembly, a driving conduction mechanism installed on the testing supporting assembly and a positioning type supporting assembly installed on the driving conduction mechanism, and the top of the positioning type supporting assembly is fixedly connected with a testing water tank. An electric telescopic rod controls a corresponding pressure block to move upwards under the limitation of a spring block, so that the corresponding pressure block is far away from a packaging film inspection material, and an annular heating block heats water through a heating assembly, so that the annular heating block tests whether the packaging film leaks air or not through a bubble detection assembly after being heated and expanded; furthermore, the device can be used for testing changes of the packaging film inspection material in a normal state and a heating state at the same time, so that the testing efficiency is improved, and the testing cost is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of packaging film testing, and in particular to a sealing testing device for packaging film. Background Art

[0002] The packaging film is used for wrapping to make the packaging more stable and neat, and to prevent cross contamination between the inside and outside of the packaging film. The sealing test device for the packaging film is a device used to detect the sealing performance of the packaging film. For some foods with a short shelf life such as soy milk and porridge, the sealing performance of the packaging film is required to be better. It is mainly used to determine whether the packaging film is completely sealed during the sealing process to ensure that the packaged products can be effectively protected. Its working principle is to test the air or liquid pressure of the packaging film after sealing to determine whether there is air or liquid leakage at the sealing port, thereby evaluating the sealing performance of the packaging film.

[0003] In the patent document with the publication number CN215767527U, a mask packaging sealing tester is disclosed, which includes a tester body, a transparent negative pressure test barrel and an air pump are fixedly installed on the tester body, a transparent pressurized test barrel is also fixedly installed on the tester body, the pressurized test barrel and the negative pressure test barrel are both vertically arranged, a barrel cover is movably installed on the tester body, the barrel cover can be sealed with the negative pressure test barrel or the pressurized test barrel, a ventilation hose is connected to the barrel cover, the other end of the ventilation hose is fixedly connected to the air pump, and a sealing mechanism for sealing the barrel cover is also installed on the barrel cover. This application can effectively improve the detection effect of the sealing of mask packaging.

[0004] When the above device is in use, it utilizes the method of bubble detection in water to test the sealing of the packaging film. However, for foods with a short shelf life such as soy milk and porridge, they usually need to be slightly heated to maintain a certain taste, so that the sealing test can preliminarily evaluate the sealing performance of the packaging film, but it cannot completely rule out the occurrence of packaging quality problems, such as whether the packaging material will leak due to deformation at a certain temperature.

[0005] Therefore, the present application proposes a sealing test device for a packaging film. Summary of the invention

[0006] The purpose of the present invention is to propose a sealing test device for packaging film in view of the fact that for foods with a short shelf life such as soy milk and porridge, which usually require slight heating to maintain a certain taste, a sealing test can preliminarily evaluate the sealing performance of the packaging film, but cannot completely rule out the occurrence of packaging quality problems, such as whether the packaging material will leak due to deformation at a certain temperature.

[0007] The technical solution of the present invention is: a sealing test device for packaging film, comprising a test support assembly, a drive conduction mechanism installed on the test support assembly, and a positioning support assembly installed on the drive conduction mechanism, wherein the top of the positioning support assembly is fixedly connected to a test water tank, a lower material placement assembly is installed inside the test water tank, and a test assembly is installed on the top of the lower material placement assembly;

[0008] The test water tank includes an auxiliary water tank baffle;

[0009] The lower material placement assembly includes a long side support plate, the long side support plate is fixedly mounted on the central inner wall of the auxiliary water tank baffle, one side of the long side support plate is fixedly connected to a second motor, one side of the output shaft of the second motor is fixedly connected to a bidirectional threaded conduction rod, and the bidirectional threaded conduction rod is rotatably connected to the inside of the long side support plate, two sides of the bidirectional threaded conduction rod are threadedly connected to two built-in threaded sliders, the tops of the two built-in threaded sliders are fixedly mounted with the same number of hollow sliders, and the tops of the hollow sliders are mounted with an annular placement heating block;

[0010] The test assembly includes two auxiliary sliding blocks, the outer sides of the two auxiliary sliding blocks are slidably connected to the inside of the long side support plate through a cavity positioning plate, and the two cavity positioning plates are fixedly connected to the long side support plate, the tops of the two auxiliary sliding blocks are fixedly connected with an annular positioning plate, the center of the annular positioning plate is fixedly connected with an electric telescopic rod, the bottom of the electric telescopic rod is slidably connected with a corresponding pressure block, the outer side of the corresponding pressure block is fixedly connected with a hollow gear ring, the bottom of the auxiliary sliding block is rotatably connected with a third gear, the third gear is meshed and connected to the outer side of the hollow gear ring, and a plurality of bubble detection components are installed on the surface of the annular heating block.

[0011] Optionally, a double guide rod is slidably connected between the two hollow sliding blocks.

[0012] Optionally, a second hinge block is hinged on the outer side of one of the built-in threaded sliders, and a first hinge block is hinged on the outer side of the other built-in threaded slider, and the first hinge block and the second hinge block are arranged in a hinged state.

[0013] Optionally, the second hinge block and the first hinge block are respectively hinged with a rotating rod inside, the outer side of the rotating rod is fixedly connected to a piston plate, the piston plate is slidably connected to the long side support plate, and the two auxiliary sliding blocks are fixedly installed on the top of the piston plate.

[0014] Optionally, the test water tank includes a cooling box, the positioning support assembly includes a partition plate, and a water hole is opened on the surface of the partition plate.

[0015] Optionally, the cooling box is fixedly installed on the bottom of the partition plate, the auxiliary water tank baffle is fixedly installed on the top of the partition plate, the bottom of the piston plate is fixedly connected with a piston column, and the piston column of the piston plate is slidably connected in the water hole of the auxiliary water tank baffle.

[0016] Optionally, a spring block is fixedly connected between the corresponding pressure block and the electric telescopic rod, the bottom of the auxiliary sliding block is fixedly connected to a receiving cavity, the interior of the receiving cavity is slidably connected to a hollow annular cavity plate, one side of the hollow annular cavity plate is fixedly connected to a gear rod, and the gear rod is meshingly connected to the outer side of the third gear.

[0017] Optionally, a snap-fit ​​block is fixedly connected to one side of the hollow slider, and the annular heating block and the snap-fit ​​block are threadedly connected, a porous clamping block is slidably connected inside the annular heating block, a plurality of springs are fixedly connected between the porous clamping block and the annular heating block, a storage ring is fixedly connected to the top of the annular heating block, and the storage ring and the hollow ring cavity plate are in a plug-in state.

[0018] Optionally, the test support assembly includes a test support plate, and two bidirectional conduction tubes are fixedly connected to the top of the test support plate;

[0019] The drive transmission mechanism includes a first motor, which is fixedly installed on the top of the test support plate. The output shaft of the first motor is fixedly connected to a first gear, the outer side of the first gear is meshedly connected to an auxiliary wheel toothed belt, and the inner wall of the auxiliary wheel toothed belt is meshedly connected to two second gears.

[0020] Optionally, the inside of the two second gears is fixedly connected with a threaded rod, the threaded rod is rotatably connected to the bidirectional conduction tube, the outer side of the threaded rod is threadedly connected with two groups of built-in threaded blocks, the tops of the two groups of built-in threaded blocks are fixedly connected with the same number of support base plates, and the two support base plates are fixedly mounted on the partition plate.

[0021] Compared with the prior art, the present invention has the following beneficial technical effects:

[0022] 1. The electric telescopic rod controls the corresponding pressure block to move upward under the limit of the spring block, so that the corresponding pressure block is away from the packaging film inspection material. The annular heating block heats the water through the heating component, so that the annular heating block tests whether the packaging film expands due to heat and leaks through the bubble detection component. Then, the device can simultaneously test the changes of the packaging film inspection material under normal and heated conditions, thereby improving the test efficiency and reducing the test cost.

[0023] 2. Push the piston plate to move toward the bottom of the auxiliary water tank baffle through the rotating rod, and the piston plate drives the two auxiliary sliding blocks to slide downward along the cavity positioning plate, and the auxiliary sliding blocks drive the corresponding pressure blocks through the annular positioning plate to squeeze the packaging film inspection material below, and the packaging film is pressed down along the connecting tank body. If there is a gas leak, the bubble detection component can quickly detect the production of bubbles, thereby improving the test speed;

[0024] 3. When the two built-in threaded sliders return to their original positions, the built-in threaded sliders drive the piston column away from the water hole, and the test water enters the cooling box through the water hole, thereby realizing the recycling of water flow and reducing the test cost. At the same time, there is a cooling component in the cooling box, which causes the water flow previously heated to quickly return to its original temperature, avoiding the test water temperature being higher than the test temperature requirement during the later heating, thereby improving the accuracy of the temperature test on the packaging film inspection material;

[0025] 4. Compared with the overall water flow heating, since there is less water above after being blocked, the packaging film and the tank body can quickly enter the phenomenon of heat expansion due to the conduction of the water temperature above. If the packaging film inspection material is unqualified, the expanded gas will quickly form bubbles in the water above, which makes it convenient for the staff to quickly test the impact of temperature on the packaging film inspection material and improves the test efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A schematic structural diagram of a sealing test device for a packaging film of the present invention is provided;

[0027] Figure 2 A schematic structural diagram of the test assembly of the present invention is provided;

[0028] Figure 3 A schematic structural diagram of a ring-shaped heating block of the present invention is given;

[0029] Figure 4 A structural schematic diagram of the hollow slider of the present invention is given;

[0030] Figure 5 A schematic structural diagram of the driving transmission mechanism of the present invention is given;

[0031] Figure 6 A structural schematic diagram of the threaded rod of the present invention is given;

[0032] Figure 7 A structural schematic diagram of a bidirectional threaded transmission rod of the present invention is given;

[0033] Figure 8 A schematic structural diagram of the storage ring of the present invention is given;

[0034] Fig. 9 A schematic structural diagram of the hollow annular cavity plate of the present invention is given;

[0035] Fig.10 The present invention is given Fig. 9 Enlarged view of the middle A area.

[0036] Figure numerals: 1. test support assembly; 101. test support plate; 102. bidirectional conduction tube; 2. drive conduction mechanism; 201. first motor; 202. first gear; 203. threaded rod; 204. second gear; 205. auxiliary wheel belt; 3. positioning support assembly; 301. built-in threaded block; 302. support bottom plate; 303. partition plate; 4. test water tank; 401. auxiliary water tank baffle; 402. cooling box; 5. test assembly; 501. annular positioning plate; 502. electric telescopic rod; 503. corresponding pressure block; 504. auxiliary sliding block; 505. Hollow ring cavity plate; 506, spring block; 507, gear rod; 508, third gear; 509, hollow gear ring; 510, receiving cavity; 6, lower material placement assembly; 601, long side support plate; 602, second motor; 603, piston plate; 604, annular placement heating block; 605, cavity positioning plate; 606, locking block; 607, bidirectional threaded conduction rod; 608, built-in threaded slider; 609, porous clamping block; 610, bidirectional guide rod; 611, hollow slider; 612, first hinge block; 613, second hinge block; 614, rotating rod; 615, receiving ring. DETAILED DESCRIPTION

[0037] The technical solution of the present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0038] Example 1

[0039] like Figure 1 - Fig.10 As shown, a sealing test device for a packaging film proposed by the present invention comprises a test support assembly 1, a driving conduction mechanism 2 installed on the test support assembly 1, and a positioning support assembly 3 installed on the driving conduction mechanism 2. A test water tank 4 is fixedly connected to the top of the positioning support assembly 3, a lower material placement assembly 6 is installed inside the test water tank 4, and a test assembly 5 is installed on the top of the lower material placement assembly 6;

[0040] The test water tank 4 includes an auxiliary water tank baffle 401;

[0041] The lower material placement component 6 includes a long side support plate 601, which is fixedly mounted on the central inner wall of the auxiliary water tank baffle 401. A second motor 602 is fixedly connected to one side of the long side support plate 601. A waterproof frame is fixedly connected to the outer side of the second motor 602 so as not to be in direct contact with water. A bidirectional threaded transmission rod 607 is fixedly connected to one side of the output shaft of the second motor 602, and the bidirectional threaded transmission rod 607 is rotatably connected to the inside of the long side support plate 601. Two sides of the bidirectional threaded transmission rod 607 are threadedly connected to two built-in threaded sliders 608. The tops of the two built-in threaded sliders 608 are fixedly mounted with the same number of threaded sliders. The hollow slider 611 has a ring-shaped heating block 604 installed on the top of the hollow slider 611. The packaging film inspection material used for testing is placed in the auxiliary water tank baffle 401. The packaging film inspection material is composed of a tank body and a packaging film, and the two ring-shaped heating blocks 604 clamp the tank body. During the inspection, it is a way to determine whether there is air leakage at the connection between the packaging film and the tank body to determine the sealing between the packaging film and the tank body, and whether the packaging film is cracked to cause gas leakage. At the same time, the ring-shaped heating block 604 clamps and positions the packaging film inspection material so that the upper surface of the packaging film inspection material is closer to the horizontal plane, which is convenient for observing the generation of bubbles.

[0042] In this embodiment, the test assembly 5 includes two auxiliary sliding blocks 504, the outer sides of the two auxiliary sliding blocks 504 are slidably connected to the inside of the long side support plate 601 through the cavity positioning plate 605, and the two cavity positioning plates 605 are fixedly connected to the long side support plate 601, the tops of the two auxiliary sliding blocks 504 are fixedly connected to the annular positioning plate 501, the center of the annular positioning plate 501 is fixedly connected to the electric telescopic rod 502, the bottom of the electric telescopic rod 502 is slidably connected to the corresponding pressure block 503, and the outer side of the corresponding pressure block 503 is fixedly connected to The hollow gear ring 509 and the bottom of the auxiliary slide block 504 are rotatably connected with a third gear 508, and the third gear 508 is meshedly connected to the outer side of the hollow gear ring 509. A plurality of bubble detection components are installed on the surface of the annular heating block 604. As the second motor 602 drives the bidirectional threaded transmission rod 607 to rotate, the two built-in threaded sliders 608 slide toward the center due to the opposite threads on both sides of the bidirectional threaded transmission rod 607. The two built-in threaded sliders 608 drive the annular heating block 604 to wrap and position the packaging film inspection material. The telescopic rod 502 drives the corresponding pressure block 503 to slide downward along the annular positioning plate 501, and the corresponding pressure block 503 presses the upper part of the packaging film inspection material. The auxiliary sliding block 504 drives the corresponding pressure block 503 to squeeze the packaging film inspection material below through the annular positioning plate 501, and the packaging film is pressed down along the connecting tank body. If there is gas leakage, bubbles are generated on the water surface in the auxiliary water tank baffle 401, and the annular heating block 604 wraps the packaging film inspection material, and the bubble detection group located above the annular heating block 604 The component can quickly detect the production of bubbles on the water surface. At the same time, the electric telescopic rod 502 controls the corresponding pressure block 503 to move upward under the limit of the spring block 506, so that the corresponding pressure block 503 is away from the packaging film inspection material. The annular heating block 604 heats the water through the heating component, so that the annular heating block 604 tests whether the packaging film expands due to heat and leaks through the bubble detection component. Therefore, the device can simultaneously test the changes in the packaging film inspection material under normal and heated conditions, thereby improving the test efficiency and reducing the test cost.

[0043] Example 2

[0044] like Figure 2-Figure 9As shown, based on Example 1, a double guide rod 610 is slidably connected between two hollow sliders 611. When the staff tests the packaging film inspection material, the packaging film inspection material can be placed on the double guide rod 610 first. As the hollow slider 611 follows the built-in threaded slider 608 to slide along the bidirectional threaded conduction rod 607, the rotation of the two sides of the double guide rod 610 exerts equal forces on the thread guides of the two built-in threaded sliders 608. Therefore, the two built-in threaded sliders 608 slide along the double guide rod 610, and the double guide rod 610 is in a relatively middle position between the two built-in threaded sliders 608, which is convenient for the packaging film inspection material to be clamped and tested after being placed in the middle.

[0045] In this embodiment, a second hinge block 613 is hinged on the outer side of an internal threaded slider 608, and a first hinge block 612 is hinged on the outer side of another internal threaded slider 608. The first hinge block 612 and the second hinge block 613 are arranged in a hinged state. The second hinge block 613 and the inner side of the first hinge block 612 are respectively hinged with a rotating rod 614. The outer side of the rotating rod 614 is fixedly connected with a piston plate 603. The piston plate 603 is slidably connected to the long side support plate 601. Two auxiliary sliding blocks 504 are fixedly installed on the top of the piston plate 603. When the two internal threaded sliders 608 are located at both ends of the bidirectional threaded conduction rod 607, the piston plate 603 drives the annular positioning plate 501 and the annular placement heating block 604 to be the farthest apart through the two auxiliary sliding blocks 504. At this time, it is convenient for the staff to place the packaging film inspection material. When moving toward the center along the bidirectional threaded conduction rod 607, the two annularly arranged heating blocks 604 clamp the packaging film inspection material, and the equipment is ready to start testing. At this time, the two built-in threaded sliders 608 respectively drive the second hinge block 613 and the first hinge block 612 to deflect downward, and the deflection of the second hinge block 613 and the first hinge block 612 on the rotating rod 614 pushes the piston plate 603 to move downward toward the auxiliary water tank baffle 401 through the rotating rod 614, and the piston plate 603 drives the two auxiliary sliding blocks 504 to slide downward along the cavity positioning plate 605, and the auxiliary sliding block 504 drives the corresponding pressure block 503 through the annular positioning plate 501 to squeeze the packaging film inspection material below, and the packaging film is pressed down along the connecting tank body. If there is a gas leak, the bubble detection component can quickly detect the production of bubbles and improve the test speed.

[0046] Example 3

[0047] like Figure 1-Figure 5As shown, based on the above-mentioned embodiment 1 or 2, the test water tank 4 includes a cooling box 402, the positioning support assembly 3 includes a partition plate 303, and a water hole is opened on the surface of the partition plate 303, the cooling box 402 is fixedly installed at the bottom of the partition plate 303, the auxiliary water tank baffle 401 is fixedly installed on the top of the partition plate 303, the bottom of the piston plate 603 is fixedly connected with a piston column, and the piston column of the piston plate 603 is slidably connected to the water hole of the auxiliary water tank baffle 401, then the equipment is ready to start testing, when the rotating rod 614 pushes the piston plate 603 to move toward the bottom of the auxiliary water tank baffle 401, the piston column of the piston plate 603 slides along the water hole of the partition plate 303, and the water hole is blocked, and the cooling box 4 02 and the auxiliary water tank baffle 401 are in a partition state, then the water pump between the auxiliary water tank baffle 401 and the cooling box 402 draws the water in the cooling box 402 into the auxiliary water tank baffle 401 to test the packaging film inspection material. When the test is over, similarly, when the two built-in threaded sliders 608 return to their original positions, the built-in threaded sliders 608 drive the piston column away from the water hole, and the test water enters the cooling box 402 through the water hole, thereby realizing the recycling of water flow and reducing the testing cost. At the same time, there is a cooling component in the cooling box 402, which causes the water flow that was previously heated to quickly return to its original temperature, avoiding the test water temperature being higher than the test temperature requirement during the later heating, thereby improving the accuracy of the temperature test on the packaging film inspection material.

[0048] In this embodiment, a spring block 506 is fixedly connected between the corresponding pressure block 503 and the electric telescopic rod 502, a receiving cavity 510 is fixedly connected to the bottom of the auxiliary sliding block 504, a hollow annular cavity plate 505 is slidably connected inside the receiving cavity 510, a gear rod 507 is fixedly connected to one side of the hollow annular cavity plate 505, and the gear rod 507 is meshingly connected to the outer side of the third gear 508, a clamping block 606 is fixedly connected to one side of the hollow slider 611, and the annular heating block 604 and the clamping block 606 are threadedly connected, so that the corresponding size of 604 can be replaced according to the clamping diameter required for different packaging film inspection materials, and the annular heating block 604 is slidably connected to the inside of the porous clamping block 609, a plurality of springs are fixedly connected between the porous clamping block 609 and the annular heating block 604, a receiving ring 615 is fixedly connected to the top of the annular heating block 604, and the receiving ring 615 is arranged in a plug-in state with the hollow annular cavity plate 505. When performing normal detection, the built-in threaded slider 608 drives the two annular heating blocks 604 to cooperate with the double guide rod 610 to contact and clamp the surface of the packaging film inspection material. As the water flows into the auxiliary water tank baffle 401, the water flows through the holes on the surface of the porous clamping block 609, covering the packaging film inspection material, and cooperates with the extrusion of the upper 513, causing the packaging film to deform along the tank body, and the bubble detection component detects the unqualified packaging film inspection material in the liquid. The bubbles generated by the gas leakage are detected. If there are bubbles, the packaging film inspection material is unqualified. If there are no bubbles, the packaging film inspection material is qualified under normal conditions. Then the annular heating block 604 continues to move toward the center through the built-in threaded slider 608, so that the two built-in threaded sliders 608 completely wrap the outside of the tank body. At the same time, the corresponding pressure block 503 shrinks the hollow gear ring 509 to its original position, that is, the corresponding pressure block 503 moves upward, and the corresponding pressure block 503 drives the third gear 508 to rotate. The third gear 508 rotates along the connection with the auxiliary sliding block 504, and the third gear 508 drives the hollow ring cavity plate 505 to move downward along the inner cavity of the receiving cavity 510. It is explained here that there is a limit block inside the hollow annular cavity plate 505 for sliding limit of the hollow annular cavity plate 505, the hollow annular cavity plate 505 is inserted into the receiving ring 615, and the porous clamping block 609 completely slides into the inside of the annular placement heating block 604 along the spring, at this time, the inner wall of the annular placement heating block 604 is flush with the inner wall of the porous clamping block 609, then the porous clamping block 609, the annular placement heating block 604 and the hollow annular cavity plate 505 form a relatively closed space, and at the same time, because the porous clamping block 609 enters the annular placement heating block 604, the water on the upper part of the porous clamping block 609 is squeezed between the hollow annular cavity plate 505 and the upper surface of the annular placement heating block 604, and the water on the lower part is cut off;

[0049] The water above is heated by the internal heating component of the ring-shaped heating block 604, which again illustrates the water temperature requirement that bubbles cannot be generated first. Compared with the overall water flow heating, since there is less water above after being cut off, the packaging film and the tank body can quickly enter the phenomenon of heat expansion due to the conduction of the water temperature above. If the packaging film inspection material is unqualified, the expanded gas will quickly generate bubbles in the water above, which makes it convenient for the staff to quickly test the impact of temperature on the packaging film inspection material, thereby improving the test efficiency.

[0050] Example 4

[0051] like Figure 1 - Figure 6 As shown, based on the above-mentioned embodiment 1 or 2, the test support assembly 1 includes a test support plate 101, and two bidirectional conductive tubes 102 are fixedly connected to the top of the test support plate 101. The two sides of the test support plate 101 are divided into two areas, one area is used to place qualified products, and the other area is used to place unqualified products.

[0052] The driving transmission mechanism 2 includes a first motor 201, which is fixedly installed on the top of the test support plate 101. The output shaft of the first motor 201 is fixedly connected to a first gear 202. The outer side of the first gear 202 is meshedly connected to an auxiliary wheel toothed belt 205. The inner wall of the auxiliary wheel toothed belt 205 is meshedly connected to two second gears 204.

[0053] In this embodiment, the two second gears 204 are internally fixedly connected with a threaded rod 203, and the threaded rod 203 is rotatably connected to the bidirectional conduction tube 102. The outer side of the threaded rod 203 is threadedly connected with two groups of built-in threaded blocks 301. The tops of the two groups of built-in threaded blocks 301 are fixedly connected with the same number of supporting base plates 302. The two supporting base plates 302 are fixedly installed on the partition plate 303. The first motor 201 drives the first gear 202 to rotate through the output shaft. The first gear 202 uses the auxiliary wheel toothed belt 205 to engage with the two second gears 204 respectively to drive the two second gears 204 to rotate. The second gear 204 drives the threaded rod 203 to rotate, and the threaded rod 203 rotates under the clamping of the bidirectional conduction tube 102. The two supporting base plates 302 slide left or right according to the rotation direction of the threaded rod 203 through the built-in threaded blocks 301, which is convenient for the staff to place the packaging film inspection materials in the specified position according to the test situation for distinguishing and classifying.

[0054] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

[0055] "Comprising" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or also includes elements inherent to such process, method, article, or apparatus.

[0056] The above specific embodiments are only several optional embodiments of the present invention. Based on the technical solutions of the present invention and the relevant inspirations of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A sealing test device for a packaging film, comprising a test support assembly (1), a drive transmission mechanism (2) mounted on the test support assembly (1), and a positioning support assembly (3) mounted on the drive transmission mechanism (2), characterized in that: The top of the positioning support component (3) is fixedly connected to a test water tank (4), a lower material placement component (6) is installed inside the test water tank (4), and a test component (5) is installed on the top of the lower material placement component (6); The test water tank (4) comprises an auxiliary water tank baffle (401); The lower material placement component (6) comprises a long side support plate (601), the long side support plate (601) is fixedly mounted on the central inner wall of the auxiliary water tank baffle (401), one side of the long side support plate (601) is fixedly connected to a second motor (602), one side of the output shaft of the second motor (602) is fixedly connected to a bidirectional threaded conduction rod (607), and the bidirectional threaded conduction rod (607) is rotatably connected to the inside of the long side support plate (601), two sides of the bidirectional threaded conduction rod (607) are threadedly connected to two built-in threaded sliders (608), the tops of the two built-in threaded sliders (608) are fixedly mounted with the same number of hollow sliders (611), and the tops of the hollow sliders (611) are mounted with an annular placement heating block (604); The test assembly (5) comprises two auxiliary sliding blocks (504), the outer sides of the two auxiliary sliding blocks (504) are slidably connected to the inside of the long side support plate (601) through a cavity positioning plate (605), and the two cavity positioning plates (605) are fixedly connected to the long side support plate (601), the tops of the two auxiliary sliding blocks (504) are fixedly connected to an annular positioning plate (501), the center of the annular positioning plate (501) is fixedly connected to an electric telescopic rod (502), the bottom of the electric telescopic rod (502) is slidably connected to a corresponding pressure block (503), the outer side of the corresponding pressure block (503) is fixedly connected to a hollow gear ring (509), the bottom of the auxiliary sliding block (504) is rotatably connected to a third gear (508), and the third gear (508) is meshedly connected to the outer side of the hollow gear ring (509), and a plurality of bubble detection assemblies are installed on the surface of the annular heating block (604).

2. A sealing test device for packaging film according to claim 1, characterized in that: A double guide rod (610) is slidably connected between the two hollow sliding blocks (611).

3. A sealing test device for packaging film according to claim 2, characterized in that: A second hinge block (613) is hinged on the outer side of one of the built-in threaded sliders (608), and a first hinge block (612) is hinged on the outer side of the other built-in threaded slider (608); the first hinge block (612) and the second hinge block (613) are arranged in a hinged state.

4. A sealing test device for packaging film according to claim 3, characterized in that: The second hinge block (613) and the first hinge block (612) are respectively hinged with a rotating rod (614), the outer side of the rotating rod (614) is fixedly connected to a piston plate (603), the piston plate (603) is slidably connected to the long side support plate (601), and the two auxiliary sliding blocks (504) are fixedly installed on the top of the piston plate (603).

5. The sealing test device for packaging film according to claim 4, characterized in that: The test water tank (4) comprises a cooling box (402), and the positioning support assembly (3) comprises a partition plate (303), and a water through hole is provided on the surface of the partition plate (303).

6. A sealing test device for packaging film according to claim 5, characterized in that: The cooling box (402) is fixedly mounted on the bottom of the partition plate (303), the auxiliary water tank baffle (401) is fixedly mounted on the top of the partition plate (303), a piston column is fixedly connected to the bottom of the piston plate (603), and the piston column of the piston plate (603) is slidably connected to the water through hole of the auxiliary water tank baffle (401).

7. A sealing test device for packaging film according to claim 6, characterized in that: A spring block (506) is fixedly connected between the corresponding pressure block (503) and the electric telescopic rod (502); a receiving cavity (510) is fixedly connected to the bottom of the auxiliary sliding block (504); a hollow annular cavity plate (505) is slidably connected to the interior of the receiving cavity (510); a gear rod (507) is fixedly connected to one side of the hollow annular cavity plate (505); and the gear rod (507) is meshingly connected to the outer side of the third gear (508).

8. The sealing test device for packaging film according to claim 7, characterized in that: A snap-fit ​​block (606) is fixedly connected to one side of the hollow slider (611), and the annular heating block (604) and the snap-fit ​​block (606) are threadedly connected. A porous clamping block (609) is slidably connected inside the annular heating block (604), and a plurality of springs are fixedly connected between the porous clamping block (609) and the annular heating block (604). A receiving ring (615) is fixedly connected to the top of the annular heating block (604), and the receiving ring (615) and the hollow ring cavity plate (505) are plugged into each other.

9. The sealing test device for packaging film according to claim 6, characterized in that: The test support assembly (1) comprises a test support plate (101), and two bidirectional conduction tubes (102) are fixedly connected to the top of the test support plate (101); The drive transmission mechanism (2) comprises a first motor (201), the first motor (201) being fixedly mounted on the top of the test support plate (101), the output shaft of the first motor (201) being fixedly connected to a first gear (202), the outer side of the first gear (202) being meshingly connected to an auxiliary wheel toothed belt (205), and the inner wall of the auxiliary wheel toothed belt (205) being meshingly connected to two second gears (204).

10. The sealing test device for packaging film according to claim 9, characterized in that: The two second gears (204) are internally fixedly connected with threaded rods (203), the threaded rods (203) are rotatably connected to the bidirectional conduction tube (102), the outer sides of the threaded rods (203) are threadedly connected with two groups of built-in threaded blocks (301), the tops of the two groups of built-in threaded blocks (301) are fixedly connected with the same number of support base plates (302), and the two support base plates (302) are fixedly mounted on the partition plate (303).

Images