Composite film quality detection device and detection method for high temperature sterilization and sealing

Abstract

The present invention relates to a composite film quality detection device for high-temperature sterilization and sealing, comprising: a frame provided with a table, a controller connected to the frame, a visual detection system, a medium container arranged at the lower side of the table, a sample bottle arranged between the table and the medium container, a transfer and steering device for clamping the sample bottle, a quantitative sampler for cutting and testing composite film samples, a heat sealing device for heat-sealing the composite film samples on the mouth of the sample bottle, a metering filling device for filling the sample bottle with contents, and a composite film sample shifting device for moving the composite film sample from the quantitative sampler to the heat sealing device; the visual detection system is connected to the lower end of the table. The composite film quality detection device for high-temperature sterilization and sealing can prevent the product from being scrapped after filling by detecting the quality of the composite film in advance.

Description

Technical Field

[0001] The invention relates to the field of sealing quality detection methods, in particular to a composite film quality detection device and a detection method for high-temperature sterilization sealing. Background Art

[0002] From the invention of Chinese patent application number: 201810286913.2, a pressure-resistant cushioning packaging bag and its preparation method are involved, which can be used to understand the sealing of composite film samples through heat sealing; in the beverage packaging industry, the sealing quality of packaging containers is an important indicator for testing whether the products are qualified; many beverages and other products on the market are heat-sealed in plastic containers and composite films, and then sterilized at high temperature; if the composite film has problems such as film peeling, stratification, and discoloration after high-temperature sterilization, it will affect the appearance of the product and even cause product leakage, deterioration, etc.; if unqualified products flow into the market, it will damage the corporate image and consumer interests. At present, the quality of composite films is tested by observing the sealing quality of composite films during production, but there is a lag in detection. Once a problem occurs, the product after filling will be scrapped; therefore, it has become an urgent problem to design a composite film quality detection device and detection method for high-temperature sterilization sealing that can detect the quality of composite films in advance and prevent the scrapping of products after filling. Summary of the invention

[0003] The purpose of the present invention is to overcome the shortcomings of the current method of detecting the quality of the composite film by observing the sealing quality of the composite film during production, which has a detection lag and once a problem occurs, the product after filling will be scrapped. A composite film quality detection device and detection method for high-temperature sterilization sealing are provided, which can detect the quality of the composite film in advance and prevent the product after filling from being scrapped.

[0004] The specific technical solution of the present invention is:

[0005] A composite film quality inspection device for high-temperature sterilization and sealing, comprising: a frame with a table, a controller connected to the frame, a visual inspection system, a medium container arranged on the lower side of the table, a sample bottle arranged between the table and the medium container, a rotation and steering device for clamping the sample bottle, a quantitative sampler for cutting composite film samples for inspection, a heat sealing device for heat sealing the composite film samples on the mouth of the sample bottle, a metering filling device for filling the sample bottle with contents, and a composite film sample shifting device for moving the composite film sample from the quantitative sampler to the heat sealing device, which are installed on the table from left to right in sequence; the visual inspection system is connected to the lower end of the table.

[0006] Preferably, the quantitative sampler comprises: a sampling support connected to the upper end of the table, a film punching cylinder connected to the sampling support, a punching die provided with a punching hole, a punching punch located on the upper side of the punching die and the upper end of which is connected to the connecting plate of the film punching cylinder; the film punching cylinder is a three-axis cylinder or a two-axis cylinder.

[0007] The heat sealing device includes: a heat sealing support connected to the upper end of the table, a heat sealing cylinder connected to the heat sealing support, a heat sealing die provided with a heat sealing heater and the upper end of which is connected to the connecting plate of the heat sealing cylinder, a sealing countersunk hole provided at the lower end of the heat sealing countersunk hole and having a diameter larger than the diameter of the sample bottle mouth, a heat sealing countersunk hole provided at the upper end of the table and having diameters respectively adapted to the diameter of the composite film sample and the diameter of the heat sealing countersunk hole, a conical guide section provided at the upper end of the heat sealing countersunk hole, a sample bottle mouth accommodating hole provided at the lower end of the table and having an upper end communicating with the bottom surface of the heat sealing countersunk hole; the shape and size of the sample bottle mouth accommodating hole are adapted to the shape and size of the sample bottle mouth; the heat sealing cylinder is a three-axis cylinder or a double-axis cylinder.

[0008] Preferably, the composite film sample shifting device comprises: an end stop bar connected to the upper end of the table plate and arranged on the right side of the heat sealing countersunk hole, two side stops symmetrically arranged on both sides of the heat sealing countersunk hole and the punching hole, a shift cylinder arranged on the left side of the punching die, and a push plate located between the two side stops and connected to the piston rod of the shift cylinder at the left end; the distance between the opposite side ends of the two side stops is adapted to the diameter of the composite film sample.

[0009] Preferably, the content metering and filling device comprises: a content tank provided with a metering pump and connected to the upper end of the table, and a through hole provided on the table; the outlet end of the metering pump passes through the through hole and extends out of the lower end of the table.

[0010] Preferably, the transfer and steering device includes: a left-right electric linear slide located on the right side of the medium container, a vertical electric linear slide whose lower end is connected to the slider of the left-right electric linear slide, a mounting base with two side panels and the right end connected to the slider of the vertical electric linear slide, an electric three-jaw chuck with an articulated shaft on each side end, and a motor connected to a side panel; the two articulated shafts are articulated to the two side panels one by one, and the output shaft of the motor is connected to an articulated shaft; the claws of the electric three-jaw chuck clamp the lower end of the sample bottle.

[0011] Preferably, the medium container is equipped with a medium heater and a temperature controller.

[0012] A method for detecting the quality of composite films for high-temperature sterilization and sealing, using the device for detecting the quality of composite films for high-temperature sterilization and sealing as described in any one of claims 1 to 7, characterized in that, in step 1, a corresponding sample bottle is selected, and a transfer and steering device clamps the sample bottle to transfer and steer the sample bottle; in step 2, a content that is the same as the product and the same as the nominal capacity on the product label is filled into the sample bottle by a metering filling device; in step 3, a composite film sample of corresponding size for detection is cut with a quantitative sampler according to the size of the mouth of the sample bottle; in step 4, a heat-sealing device is used to heat-seal the composite film sample on the mouth of the sample bottle to ensure that the heat-sealed composite film sample is flat, wrinkle-free, No damage, no leakage; step five, immerse the heat-sealed sample bottle with the seal facing down in the liquid medium of the set temperature, and inspect it through the visual inspection system to ensure that the composite film sample is completely immersed in the liquid medium, and the seal of the sample bottle must not touch the bottom or side wall of the medium container containing the liquid medium; step six, after the set insulation time, take out the heat-sealed sample bottle from the liquid medium to cool, and inspect it through the visual inspection system. If the composite film sample has no wrinkles, damage, leakage, delamination, or discoloration of the printed pattern, the composite film sample is judged to be qualified; if the composite film sample has wrinkles, damage, leakage, delamination, or discoloration of the printed pattern, the composite film sample is judged to be unqualified.

[0013] Preferably, the composite film comprises at least a base layer and a heat-sealing layer located inside the base layer; the material of the base layer is aluminum foil or aluminum-coated film, and the material of the heat-sealing layer is PE or CPP; the sample bottle is a product container; the size of the sample bottle mouth is the same as the actual container mouth size of the product container; the material of the sample bottle is HDPE, PP, PS or PET; the size of the composite film sample is larger than the size of the sample bottle mouth, and the composite film sample completely covers the sample bottle mouth.

[0014] Preferably, the set temperature is the sterilization temperature of the actual production process of the product, and the set time is the sterilization time of the actual production process of the product; the liquid medium is water.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the composite film quality detection device for high-temperature sterilization sealing clamps the sample bottle for rotation and rotation through the rotation and steering device; the sample bottle is filled with the same content as the product and the same as the nominal capacity of the product label through the content metering and filling device; according to the size of the sample bottle mouth, the composite film sample of the corresponding size for detection is cut by the quantitative sampler, the composite film sample shifting device moves the composite film sample from the quantitative sampler to the heat sealing device, the conical guide section facilitates the composite film sample to fall into the heat sealing countersunk hole, the heat sealing device heat-seals the composite film sample on the sample bottle mouth, and the visual inspection system is used to inspect to ensure that the composite film sample after heat sealing is flat, wrinkle-free, damage-free, and leak-free; the heat-sealed The sample bottle is immersed in a liquid medium at a set temperature with the seal facing downward, and is inspected by a visual inspection system to ensure that the composite film sample is completely immersed in the liquid medium, and the seal of the sample bottle must not touch the bottom or side wall of the medium container containing the liquid medium; after the set insulation time, the heat-sealed sample bottle is taken out of the liquid medium for cooling, and is inspected by a visual inspection system. If the composite film sample has no wrinkles, damage, leakage, stratification, or discoloration of the printed pattern, the composite film sample is judged to be qualified; if the composite film sample has wrinkles, damage, leakage, stratification, or discoloration of the printed pattern, the composite film sample is judged to be unqualified; the composite film quality inspection device for high-temperature sterilization sealing prevents the product from being scrapped after filling by inspecting the quality of the composite film in advance. The quantitative sampler drives the punching punch to move through the punching cylinder, and cooperates with the punching die to punch the composite film sample, and heat-seals the composite film sample on the mouth of the sample bottle. The shifting cylinder of the composite film sample shifting device drives the push plate to move the composite film sample from the quantitative sampler to the heat-sealing device, and is limited by the end stop bar and two side stop bars. The structure is simple and practical. The metering pump of the content metering filling device accurately measures the content into the sample bottle. The indexing and steering device clamps the sample bottle through the claw feet of the electric three-jaw chuck, and the left and right electric linear slides and the vertical electric linear slides realize the indexing of the sample bottle. The motor drives the electric three-jaw chuck to rotate through the articulated shaft to realize the steering of the sample bottle. The indexing and steering are convenient and have high indexing and steering accuracy. The visual inspection system detects the orientation of the sample bottle, the heat-sealing quality, and the state of the sample bottle being taken out of the liquid medium to determine the quality of the composite film. The inspection is convenient and has high inspection accuracy. The medium container is equipped with a medium heater and a temperature controller, which is conducive to the heating of the liquid medium and the control of the heating temperature.The method for detecting the quality of composite films for high-temperature sterilization sealing is as follows: a sample bottle is filled with the same content as the product and the same nominal capacity as the product label, a composite film sample of corresponding size is heat-sealed on the mouth of the sample bottle by a heat-sealing device, the heat-sealed sample bottle is immersed in a liquid medium at a set temperature with the seal facing downward, and after being kept warm for a set time, the heat-sealed sample bottle is taken out from the liquid medium and cooled; if the composite film sample has no wrinkles, damage, leakage, stratification, or discoloration of the printed pattern, the composite film sample is judged to be qualified; if the composite film sample has wrinkles, damage, leakage, stratification, or discoloration of the printed pattern, the composite film sample is judged to be unqualified; the actual production process is simulated in advance, the quality of the composite film sample is detected in advance, and the product after filling is prevented from being scrapped; the detection method is simple and the detection time is short. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the present invention;

[0017] Figure 2 It is a schematic diagram of the structure of metering and filling contents;

[0018] Figure 3 It is a schematic diagram of the structure in which the composite film sample is heat-sealed on the mouth of the sample bottle;

[0019] Figure 4 It is a schematic diagram of the structure in which the sample bottle is immersed in the liquid medium with the seal facing downward.

[0020] In the figure: table 1, frame 2, medium container 3, sample bottle 4, composite film sample 5, sampling support 6, film punching cylinder 7, punching hole 8, punching die 9, punching punch 10, heat sealing support 11, heat sealing cylinder 12, heat sealing heater 13, heat sealing die 14, sealing countersunk hole 15, heat sealing countersunk hole 16, tapered guide section 17, sample bottle mouth accommodating hole 18, end stop bar 19, side stop bar 20, shift cylinder 21, push plate 22, metering pump 23, content tank 24, through hole 25, left and right electric linear slide 26, vertical electric linear slide 27, side plate 28, mounting seat 29, electric three-jaw chuck 30, motor 31, medium heater 32, temperature controller 33, visual inspection system 34, controller 35, chamfer 36. DETAILED DESCRIPTION

[0021] The present invention will be further described below in conjunction with the accompanying drawings.

[0022] As attached Figure 1 To Attachment Figure 4As shown: a composite film quality detection device for high-temperature sterilization and sealing, comprising: a frame 2 provided with a table 1, a controller 35 screwed to the upper end of the table 1 of the frame 2, a visual detection system 34, a medium container 3 arranged on the lower side of the table 1, a sample bottle 4 arranged between the table 1 and the medium container 3, a transfer steering device clamping the sample bottle 4, a quantitative sampler for cutting a composite film sample 5 for detection, a heat sealing device for heat-sealing the composite film sample 5 on the mouth of the sample bottle, a metering filling device for filling the sample bottle 4 with contents, and a composite film sample shifting device for moving the composite film sample 5 from the quantitative sampler to the heat sealing device, which are sequentially installed on the table 1 from left to right; the visual detection system 34 is screwed to the lower end of the table 1.

[0023] The quantitative sampler comprises: a sampling support 6 screwed to the upper end of the table 1, a punching cylinder 7 screwed to the sampling support 6, a punching die 9 with a punching hole 8, and a punching punch 10 located on the upper side of the punching die 9 and screwed to the connecting plate of the punching cylinder 7 at the upper end; the punching cylinder 7 is a three-axis cylinder.

[0024] The heat sealing device comprises: a heat sealing support 11 screwed to the upper end of the table 1, a heat sealing cylinder 12 screwed to the heat sealing support 11, a heat sealing die 14 provided with a heat sealing heater 13 and screwed to the connecting plate of the heat sealing cylinder 12 at the upper end, a sealing countersink 15 provided at the lower end of the heat sealing die 14 and having a diameter larger than the diameter of the sample bottle mouth, a heat sealing countersink 16 provided at the upper end of the table 1 and having a diameter that matches the diameter of the composite film sample 5 and the diameter of the heat sealing die 14 respectively, a conical guide section 17 provided at the upper end of the heat sealing countersink 16, a sample bottle mouth accommodating hole 18 provided at the lower end of the table 1 and having an upper end that penetrates the bottom surface of the heat sealing countersink 16; the shape and size of the sample bottle mouth accommodating hole 18 are adapted to the shape and size of the sample bottle mouth; the heat sealing cylinder 12 is a three-axis cylinder. The heat sealing heater 13 is an electric heater. The lower end of the outer periphery of the heat sealing die 14 is provided with a chamfer 36.

[0025] The composite film sample shifting device includes: an end baffle 19 screwed to the upper end of the table 1 and arranged on the right side of the heat sealing countersunk hole 16, two side baffles 20 symmetrically arranged on both sides of the heat sealing countersunk hole 16 and the punching hole 8, a shift cylinder 21 arranged on the left side of the punching die 9, and a push plate 22 located between the two side baffles 20 and screwed to the piston rod of the shift cylinder 21 at the left end; the distance between the opposite side ends of the two side baffles 20 matches the diameter clearance of the composite film sample 5.

[0026] The content metering and filling device comprises: a content tank 24 provided with a metering pump 23 and screwed to the upper end of the table 1 , and a through hole 25 provided on the table 1 ; the outlet end of the metering pump 23 passes through the through hole 25 and extends out of the lower end of the table 1 .

[0027] The indexing and steering device includes: a left-right electric linear slide 26 located on the right side of the medium container 3, a vertical electric linear slide 27 connected to the slider of the left-right electric linear slide 26 at the lower end, a mounting seat 29 provided with two side plates 28 and connected to the slider of the vertical electric linear slide 27 at the right end, an electric three-jaw chuck 30 with an articulated shaft (not shown) at each side end, and a motor 31 screwed to a side plate 28; the two articulated shafts are articulated with the two side plates 28 in a one-to-one correspondence through bearings, and the output shaft of the motor 31 is keyed to an articulated shaft; the claws of the electric three-jaw chuck 30 clamp the lower end of the sample bottle 4. The motor 31 is a stepping motor 31.

[0028] The medium container 3 is equipped with a medium heater 32 and a temperature controller 33. The medium heater 32 is an electric heater.

[0029] The film punching cylinder 7, heat sealing cylinder 12, and shift cylinder 21 are respectively equipped with electromagnetic reversing valves (not shown); the electromagnetic reversing valve, visual inspection system 34, heat sealing heater 13, metering pump 23, left and right electric linear slide 26, vertical electric linear slide 27, electric three-jaw chuck 30, motor 31, medium heater 32 and temperature controller 33 are respectively electrically connected to the controller 35.

[0030] The composite film quality detection device for high-temperature sterilization sealing clamps the sample bottle 4 for rotation and rotation through the rotation and steering device; the sample bottle 4 is filled with the same content as the product and the same as the nominal capacity of the product label through the content metering and filling device; according to the size of the sample bottle mouth, the composite film sample 5 of the corresponding size for detection is cut by the quantitative sampler, the composite film sample shifting device moves the composite film sample 5 from the quantitative sampler to the heat sealing device, the conical guide section 17 facilitates the composite film sample 5 to fall into the heat sealing countersunk hole 16, the heat sealing device heat-seals the composite film sample 5 on the sample bottle mouth, and the visual inspection system 34 is used to inspect it to ensure that the composite film sample 5 is flat and wrinkle-free after heat sealing. , no damage, no leakage; immerse the heat-sealed sample bottle 4 with the seal facing downward into the liquid medium at a set temperature, and inspect it through the visual inspection system 34 to ensure that the composite film sample 5 is completely immersed in the liquid medium, and the seal of the sample bottle 4 must not touch the bottom or side wall of the medium container 3 containing the liquid medium; after the set insulation time, take the heat-sealed sample bottle 4 out of the liquid medium for cooling, and inspect it through the visual inspection system 34. If the composite film sample 5 does not have wrinkles, damage, leakage, delamination, or discoloration of the printed pattern, the composite film sample 5 is judged to be qualified. If the composite film sample 5 has wrinkles, damage, leakage, delamination, or discoloration of the printed pattern, the composite film sample 5 is judged to be unqualified. The composite film quality inspection device for high-temperature sterilization sealing prevents the product from being scrapped after filling by inspecting the quality of the composite film in advance.

[0031] A method for detecting the quality of composite films for high-temperature sterilization and sealing, using a device for detecting the quality of composite films for high-temperature sterilization and sealing as described in any one of claims 1 to 7, characterized in that, in step one, a corresponding sample bottle 4 is selected, and a rotation and steering device clamps the sample bottle 4 to rotate and steer the sample bottle 4; in step two, a content that is the same as the product and the same as the nominal capacity on the product label is filled into the sample bottle 4 through a metering filling device; in step three, according to the size of the sample bottle mouth, a composite film sample 5 of corresponding size for detection is cut with a quantitative sampler; in step four, the composite film sample 5 is heat-sealed on the sample bottle mouth with a heat-sealing device to ensure that the heat-sealed composite film sample 5 is flat, wrinkle-free and undamaged. , no leakage; step five, immerse the heat-sealed sample bottle 4 with the seal facing downward into the liquid medium of the set temperature, and detect it through the visual inspection system 34 to ensure that the composite film sample 5 is completely immersed in the liquid medium, and the seal of the sample bottle 4 must not touch the bottom or side wall of the medium container 3 containing the liquid medium; step six, after the set insulation time, take out the heat-sealed sample bottle 4 from the liquid medium for cooling, and detect it through the visual inspection system 34. If the composite film sample 5 has no wrinkles, damage, leakage, delamination, or discoloration of the printed pattern, the composite film sample 5 is judged to be qualified; if the composite film sample 5 has wrinkles, damage, leakage, delamination, or discoloration of the printed pattern, the composite film sample 5 is judged to be unqualified.

[0032] The composite film at least includes a base layer and a heat-sealing layer located on the inner side of the base layer; the material of the base layer is aluminum foil or aluminum-coated film, and the material of the heat-sealing layer is PE or CPP; the sample bottle 4 is a product container; the size of the sample bottle mouth is the same as the actual container mouth size of the product container; the material of the sample bottle 4 is HDPE, PP, PS or PET; the size of the composite film sample 5 is larger than the size of the sample bottle mouth, and the composite film sample 5 completely covers the sample bottle mouth; in this embodiment, the composite film sample 5 is provided with a base layer made of aluminum foil, a heat-sealing layer made of PE located on the inner side of the base layer, and an outer layer made of PET located on the outer side of the base layer; the material of the sample bottle 4 is HDPE material, and the sample bottle 4 is made by blow molding.

[0033] The set temperature is the sterilization temperature of the actual production process of the product, and the set time is the sterilization time of the actual production process of the product; the liquid medium is water; in this embodiment, the set temperature is 95°C and the set time is 40 minutes.

[0034] The method for detecting the quality of composite films for high-temperature sterilization and sealing is as follows: by filling a sample bottle 4 with the same content as the product and the same nominal capacity as the product label, a composite film sample 5 of corresponding size is heat-sealed on the mouth of the sample bottle by a heat-sealing device, and the heat-sealed sample bottle 4 is immersed in a liquid medium of a set temperature with the seal facing downward. After the heat-sealed sample bottle 4 is kept warm for a set time, the heat-sealed sample bottle 4 is taken out of the liquid medium and cooled. If the composite film sample 5 does not have wrinkles, damage, leakage, stratification, or discoloration of the printed pattern, the composite film sample 5 is judged to be qualified; if the composite film sample 5 has wrinkles, damage, leakage, stratification, or discoloration of the printed pattern, the composite film sample 5 is judged to be unqualified. The actual production process is simulated in advance, and the quality of the composite film sample 5 is detected in advance to prevent the product from being scrapped after filling. The detection method is simple and the detection time is short.

[0035] In addition to the above-mentioned embodiments, within the scope disclosed in the claims and the specification of the present invention, the technical features or technical data of the present invention can be reselected and combined to form new embodiments, which can be achieved by those skilled in the art without creative work. Therefore, these embodiments that are not described in detail in the present invention should also be regarded as specific embodiments of the present invention and within the protection scope of the present invention.

Claims

1. A composite film quality detection device for high temperature sterilization and sealing, comprising: A frame with a table, a controller, and a visual inspection system, characterized in that the composite film quality inspection device for high-temperature sterilization and sealing also includes: a medium container arranged on the lower side of the table, a sample bottle arranged between the table and the medium container, a transfer and steering device for clamping the sample bottle, a quantitative sampler for cutting and testing composite film samples, a heat sealing device for heat-sealing the composite film samples on the mouth of the sample bottle, a metering filling device for filling the sample bottle with contents, and a composite film sample shifting device for moving the composite film sample from the quantitative sampler to the heat sealing device, which are sequentially installed on the table from left to right; the visual inspection system is connected to the lower end of the table; The heat-sealing device heat-seals the composite film sample on the mouth of the sample bottle, and the visual inspection system is used to inspect it to ensure that the heat-sealed composite film sample is flat, wrinkle-free, damage-free, and leak-free; Immerse the heat-sealed sample bottle with the seal facing downward in a liquid medium at a set temperature. After keeping warm for a set time, take the heat-sealed sample bottle out of the liquid medium, cool it, and inspect it through a visual inspection system. The set temperature is 95°C. The medium container is equipped with a medium heater and a temperature controller for heating the liquid medium and controlling the heating temperature.

2. The high temperature sterilization and sealing composite film quality detection device according to claim 1 is characterized in that: The quantitative sampler comprises: a sampling support connected to the upper end of the table, a punching cylinder connected to the sampling support, a punching die with a punching hole, and a punching punch located on the upper side of the punching die and connected to the connecting plate of the punching cylinder at the upper end.

3. The high temperature sterilization and sealing composite film quality detection device according to claim 2 is characterized in that: The heat sealing device includes: a heat sealing support connected to the upper end of the table, a heat sealing cylinder connected to the heat sealing support, a heat sealing die provided with a heat sealing heater and the upper end of which is connected to the connecting plate of the heat sealing cylinder, a sealing countersunk hole provided at the lower end of the heat sealing countersunk hole and having a diameter larger than the diameter of the sample bottle mouth, a heat sealing countersunk hole provided at the upper end of the table and having diameters respectively matched with the diameter of the composite film sample and the diameter of the heat sealing countersunk hole, a conical guide section provided at the upper end of the heat sealing countersunk hole, and a sample bottle mouth accommodating hole provided at the lower end of the table and the upper end of which is connected to the bottom surface of the heat sealing countersunk hole.

4. The high temperature sterilization and sealing composite film quality detection device according to claim 3 is characterized in that: The composite film sample shifting device includes: an end baffle connected to the upper end of the table and arranged on the right side of the heat sealing countersunk hole, two side baffles symmetrically arranged on both sides of the heat sealing countersunk hole and the punching hole, a shift cylinder arranged on the left side of the punching die, and a push plate located between the two side baffles and connected to the piston rod of the shift cylinder at the left end; the distance between the opposite side ends of the two side baffles is adapted to the diameter of the composite film sample.

5. The high temperature sterilization and sealing composite film quality detection device according to claim 1, 2, 3 or 4, characterized in that: The content metering and filling device comprises: a content tank provided with a metering pump and connected to the upper end of the table, and a through hole provided on the table; the outlet end of the metering pump passes through the through hole and extends out of the lower end of the table.

6. The high temperature sterilization and sealing composite film quality detection device according to claim 1, 2, 3 or 4, characterized in that: The indexing and steering device includes: a left-right electric linear slide located on the right side of the medium container, a vertical electric linear slide whose lower end is connected to the slider of the left-right electric linear slide, a mounting base with two side panels and the right end connected to the slider of the vertical electric linear slide, an electric three-jaw chuck with an articulated shaft on each side end, and a motor connected to a side panel; the two articulated shafts are articulated with the two side panels in a one-to-one correspondence, and the output shaft of the motor is connected to an articulated shaft; the claws of the electric three-jaw chuck clamp the lower end of the sample bottle.

7. A method for detecting the quality of a composite film for high temperature sterilization and sealing, using the device for detecting the quality of a composite film for high temperature sterilization and sealing as claimed in any one of claims 1 to 6, characterized in that: Step 1: Select the corresponding sample bottle, and the sample bottle is clamped by the transfer and steering device to transfer and steer the sample bottle; Step 2: Fill the sample bottle with the same content as the product and the same nominal capacity as the product label through the metering filling device; Step 3: According to the size of the sample bottle mouth, use the quantitative sampler to cut the composite film sample of the corresponding size for testing; Step 4: Use the heat sealing device to heat seal the composite film sample on the sample bottle mouth to ensure that the composite film sample after heat sealing is flat, wrinkle-free, undamaged, and leak-free; Step 5: Immerse the heat-sealed sample bottle with the seal facing down into a set temperature In the liquid medium, the visual inspection system is used to ensure that the composite film sample is completely immersed in the liquid medium, and the seal of the sample bottle must not touch the bottom or side wall of the medium container containing the liquid medium; Step six, after the set insulation time, the heat-sealed sample bottle is taken out of the liquid medium for cooling, and the visual inspection system is used to inspect. If the composite film sample has no wrinkles, damage, leakage, stratification, or discoloration of the printed pattern, the composite film sample is judged to be qualified; if the composite film sample has wrinkles, damage, leakage, stratification, or discoloration of the printed pattern, the composite film sample is judged to be unqualified.

8. The method for detecting quality of composite films for high temperature sterilization and sealing according to claim 7, characterized in that: The composite film at least includes a base layer and a heat-sealing layer located inside the base layer; the material of the base layer is aluminum foil or aluminum-plated film, and the material of the heat-sealing layer is PE or CPP; the sample bottle is a product container; the size of the sample bottle mouth is the same as the actual container mouth size of the product container; the material of the sample bottle is HDPE, PP, PS or PET; the size of the composite film sample is larger than the size of the sample bottle mouth, and the composite film sample completely covers the sample bottle mouth.

9. The method for detecting quality of composite films for high temperature sterilization and sealing according to claim 7, characterized in that: The set temperature is the sterilization temperature of the actual production process of the product, and the set time is the sterilization time of the actual production process of the product; the liquid medium is water.

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