Film sealing device for prefabricated grilled fish packaging bag

Abstract

The utility model discloses a film sealing device for a prefabricated grilled fish packaging bag, and relates to the technical field of grilled fish processing equipment. The film sealing device for the prefabricated grilled fish packaging bag comprises a fixing frame, a fixing groove is formed in the top of the fixing frame, an outer hollow piece is fixedly mounted on the rear side of the fixing groove, an inner hollow piece is slidably mounted on the inner side of the outer hollow piece, and the front side of the inner hollow piece extends to the front of the outer hollow piece. According to the film sealing device for the prefabricated grilled fish packaging bag, air in the packaging bag can be extracted, grilled fish is subjected to vacuum packaging, and even if the packaging bag leaks air, a purchaser can also conveniently observe whether air exists in the packaging bag to judge whether the packaging bag leaks air or not, so that the food safety is improved; and the width of the inner hollow piece and the width of the outer hollow piece can be adjusted, so that the inner hollow piece and the outer hollow piece can be arranged in a packaging bag of any size in a sleeved mode, air exhaust can be conveniently conducted on the packaging bag of any size, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of grilled fish processing equipment, in particular to a film sealing device for a prefabricated grilled fish packaging bag. Background Art

[0002] A pre-prepared food packaging bag sealing device with publication number CN115838009B relates to the field of pre-prepared food packaging technology, including a support frame, a support plate circumferentially evenly provided with a plurality of placement grooves for placing packaging bags, a stepping rotating assembly driven and connected by the output shaft of a servo motor, a threaded sleeve block slidably connected to the support frame is threadedly sleeved on the threaded rod, and a pair of vertical plates are slidably installed on the connecting plate through an elastic assembly. The vertical rack is vertically reciprocated and drives the transmission gear to rotate, so that the threaded sleeve block can rotate alternately clockwise and counterclockwise, and the sliding frame can reciprocate horizontally relative to the packaging bag on the placement groove. After the sliding frame and the wedge surface of the U-shaped block push against each other, the two sliding frames approach and clamp the port of the packaging bag, and then the U-shaped block blocks the sliding frame, so that the sliding sleeve block moves toward the packaging bag, so that the hot pressing head heat-seals the packaging bag after stable clamping, which greatly ensures the packaging effect of the packaging bag.

[0003] However, when the above-mentioned film sealing device is in use, a large amount of air is contained in the packaging bag. If the packaging bag leaks, the purchaser cannot conveniently observe the leakage of the packaging bag, which may easily lead to the purchaser using the leaking food. Utility Model Content

[0004] The purpose of the utility model is to provide a film sealing device for a prefabricated grilled fish packaging bag to solve the problems and defects raised by the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a prefabricated grilled fish packaging bag sealing device, comprising a fixing frame, a fixing groove is opened on the top of the fixing frame, an outer hollow sheet is fixedly installed on the rear side of the fixing groove, an inner hollow sheet is slidably installed on the inner side of the outer hollow sheet, the front side of the inner hollow sheet extends to the front of the outer hollow sheet, and a packaging bag is sleeved on the bottom of the inner hollow sheet and the outer hollow sheet, so that the air inside the packaging bag can be extracted to make the grilled fish vacuum packed. Even if the packaging bag leaks, the buyer can easily observe whether there is gas in the packaging bag to judge whether the packaging bag is leaking, thereby improving food safety. The utility model also includes a sealing device fixedly installed on the fixing frame. The vacuum pump and electric push rod on the top of the frame are used to extract air from the inside of the packaging bag through the inner hollow sheet, the outer hollow sheet and the vacuum pump. The electric push rod is used to adjust the use width of the inner hollow sheet and the outer hollow sheet, so that the inner hollow sheet and the outer hollow sheet can be set in the packaging bag of any size, which is convenient for exhausting air from the packaging bag of any size, thereby improving the practicality of the device. The sealing assembly and the film sealing assembly are arranged on both sides of the packaging bag. A driving structure is arranged at the bottom of the sealing assembly and the film sealing assembly. The driving structure is used to drive the sealing assembly to make the packaging bag close to the inner hollow sheet and the outer hollow sheet, and is used to drive the film sealing assembly to perform hot-pressing packaging on the packaging bag.

[0006] Preferably, the free end of the electric push rod is fixedly mounted on the front outer wall of the inner hollow sheet, the input end of the vacuum pump is fixedly mounted on one side of the outer hollow sheet, and the input end of the vacuum pump is communicated with the interior of the outer hollow sheet.

[0007] Preferably, the sealing assembly includes a connecting plate, a T-rod, a fixed plate, rubber and a push spring, the T-rod is slidably mounted on the connecting plate, the fixed plate is fixedly mounted on one end of the T-rod, the rubber is fixedly mounted on one side of the fixed plate, and the push spring is sleeved on the outer wall of the T-rod. There are two groups of connecting plates, T-rods, fixed plates, rubber and push springs and they are symmetrically arranged on the left and right, driving the packaging bag to fit tightly against the inner hollow sheet and the outer hollow sheet, preventing outside air from entering the packaging bag during the vacuuming process.

[0008] Preferably, the film sealing assembly includes a connecting rod and a hot pressing plate, the connecting rod is fixedly installed on one side of the connecting plate, and the hot pressing plate is fixedly installed on one end of the connecting rod. There are two groups of connecting rods and hot pressing plates and they are symmetrically arranged on the left and right, which are used to hot press and seal the packaging bags.

[0009] Preferably, the driving structure includes a guide rod, a bidirectional threaded rod and a servo motor, the servo motor is fixedly installed on one side of the fixed frame, the bidirectional threaded rod is rotatably installed on both sides of the fixed frame, the guide rod is fixedly installed on the inner walls of both sides of the fixed frame, and the output shaft of the servo motor is fixedly installed on one end of the bidirectional threaded rod, the connecting plate is threadedly installed on the outer wall of the bidirectional threaded rod, and the connecting plate is slidably installed on the outer wall of the guide rod, driving the sealing assembly and the driving structure to move.

[0010] Preferably, a packaging bag sensor is fixedly mounted on the inner bottom of the fixing frame to detect whether the packaging bag is sleeved on the outer sides of the bottoms of the inner hollow sheet and the outer hollow sheet.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The prefabricated roasted fish packaging bag sealing device can extract the air inside the packaging bag through the cooperation of the inner hollow sheet, the outer hollow sheet and the vacuum pump, so that the roasted fish is vacuum packed. Even if the packaging bag leaks, the buyer can easily observe whether there is gas in the packaging bag to judge whether the packaging bag is leaking, thereby improving food safety. The inner hollow sheet is driven to move back and forth through the electric push rod, and the width of the inner hollow sheet and the outer hollow sheet can be adjusted, so that the inner hollow sheet and the outer hollow sheet can be set in packaging bags of any size, which is convenient for vacuuming packaging bags of any size, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the other side of the utility model;

[0016] Figure 3 It is a cross-sectional view of the fixing frame, the inner hollow piece and the outer hollow piece of the utility model.

[0017] Figure numerals: 1. fixing frame; 2. guide rod; 3. bidirectional threaded rod; 4. servo motor; 5. connecting plate; 6. T-bar; 7. fixing plate; 8. rubber; 9. push spring; 10. connecting rod; 11. hot pressing plate; 12. packaging bag sensor; 13. inner hollow sheet; 14. outer hollow sheet; 15. vacuum pump; 16. electric push rod; 17. packaging bag. DETAILED DESCRIPTION

[0018] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0019] See also Figure 1-3The utility model provides a technical solution: a prefabricated grilled fish packaging bag sealing device, comprising a fixing frame 1, a fixing groove is opened on the top of the fixing frame 1, an outer hollow sheet 14 is fixedly installed on the rear side of the fixing groove, an inner hollow sheet 13 is slidably installed on the inner side of the outer hollow sheet 14, the front side of the inner hollow sheet 13 extends to the front of the outer hollow sheet 14, and a packaging bag 17 is sleeved on the bottom of the inner hollow sheet 13 and the outer hollow sheet 14, and the air inside the packaging bag 17 can be extracted to make the grilled fish vacuum packed. Even if the packaging bag leaks, the buyer can easily observe whether there is gas in the packaging bag to judge whether the packaging bag is leaking, thereby improving food safety. The utility model also includes an air pump 15 fixedly installed on the top of the fixing frame 1 and an electric The electric push rod 16 is used to extract the air inside the packaging bag 17 through the inner hollow sheet 13, the outer hollow sheet 14, and the vacuum pump 15. The electric push rod 16 is used to adjust the use width of the inner hollow sheet 13 and the outer hollow sheet 14, so that the inner hollow sheet 13 and the outer hollow sheet 14 can be sleeved in the packaging bag 17 of any size, which is convenient for exhausting the packaging bag 17 of any size, thereby improving the practicality of the device. The sealing component and the film sealing component are arranged on both sides of the packaging bag 17. The bottom of the sealing component and the film sealing component is provided with a driving structure. The driving structure is used to drive the sealing component to make the packaging bag 17 close to the inner hollow sheet 13 and the outer hollow sheet 14, and is used to drive the film sealing component to perform hot-pressing packaging on the packaging bag 17.

[0020] The free end of the electric push rod 16 is fixedly installed on the front outer wall of the inner hollow sheet 13, and the input end of the vacuum pump 15 is fixedly installed on one side of the outer hollow sheet 14. The input end of the vacuum pump 15 is communicated with the interior of the outer hollow sheet 14. The electric push rod 16 is started, and the output shaft of the electric push rod 16 drives the inner hollow sheet 13 to move forward, so that the outer walls of the inner hollow sheet 13 and the outer hollow sheet 14 are in contact with the bag opening of the packaging bag 17. The vacuum pump 15 is started, and the input end of the vacuum pump 15 extracts the internal air of the inner hollow sheet 13, the outer hollow sheet 14 and the packaging bag 17.

[0021] The sealing assembly includes a connecting plate 5, a T-bar 6, a fixing plate 7, a rubber 8 and a push spring 9. The T-bar 6 is slidably mounted on the connecting plate 5, the fixing plate 7 is fixedly mounted on one end of the T-bar 6, the rubber 8 is fixedly mounted on one side of the fixing plate 7, and the push spring 9 is sleeved on the outer wall of the T-bar 6. The connecting plate 5, the T-bar 6, the fixing plate 7, the rubber 8 and the push spring 9 are each provided in two groups and are symmetrically arranged on the left and right. With the movement of the connecting plate 5, the T-bar 6, the fixing plate 7, the rubber 8, the push spring 9, the connecting rod 10 and the hot pressing plate 11, the rubber 8 will first contact the two sides of the packaging bag 17, driving the packaging bag 17 to be close to the inner hollow sheet 13 and the outer hollow sheet 14, and preventing outside air from entering the packaging bag 17 during the vacuuming process.

[0022] The film sealing assembly includes a connecting rod 10 and a hot pressing plate 11. The connecting rod 10 is fixedly installed on one side of the connecting plate 5, and the hot pressing plate 11 is fixedly installed on one end of the connecting rod 10. There are two groups of connecting rods 10 and hot pressing plates 11, which are symmetrically arranged on the left and right. With the movement of the connecting plate 5, T-shaped rod 6, fixed plate 7, rubber 8, push spring 9, connecting rod 10 and hot pressing plate 11, the hot pressing plate 11 will clamp the packaging bag 17 to perform hot pressing on the packaging bag 17 and seal the packaging bag 17.

[0023] The driving structure includes a guide rod 2, a bidirectional threaded rod 3 and a servo motor 4. The servo motor 4 is fixedly installed on one side of the fixed frame 1. The bidirectional threaded rod 3 is rotatably installed on both sides of the fixed frame 1. The guide rod 2 is fixedly installed on the inner walls of both sides of the fixed frame 1, and the output shaft of the servo motor 4 is fixedly installed on one end of the bidirectional threaded rod 3. The connecting plate 5 is threadedly installed on the outer wall of the bidirectional threaded rod 3. The connecting plate 5 is slidably installed on the outer wall of the guide rod 2. The output shaft of the servo motor 4 drives the bidirectional threaded rod 3 to rotate, and the bidirectional threaded rod 3 drives the sealing assembly and the driving structure to move.

[0024] A packaging bag sensor 12 is fixedly mounted on the inner bottom of the fixing frame 1 , and is used to detect whether the packaging bag 17 is sleeved on the outer bottom of the inner hollow piece 13 and the outer hollow piece 14 .

[0025] Working principle: The packaging bag 17 is placed on the outside of the inner hollow sheet 13 and the outer hollow sheet 14 through the feeding device. When the packaging bag sensor 12 detects the packaging bag 17, the packaging bag sensor 12 will start the electric push rod 16, the vacuum pump 15 and the servo motor 4 in sequence. The output shaft of the electric push rod 16 drives the inner hollow sheet 13 to move forward, so that the outer wall of the inner hollow sheet 13 and the outer hollow sheet 14 are in contact with the bag opening of the packaging bag 17, and the input end of the vacuum pump 15 extracts the internal air of the inner hollow sheet 13, the outer hollow sheet 14 and the packaging bag 17, and the output shaft of the servo motor 4 drives the bidirectional threaded rod 3 to rotate, and the bidirectional threaded rod 3 drives the connecting The plate 5, T-bar 6, fixed plate 7, rubber 8, push spring 9, connecting rod 10 and hot pressing plate 11 move. As the connecting plate 5, T-bar 6, fixed plate 7, rubber 8, push spring 9, connecting rod 10 and hot pressing plate 11 move, the rubber 8 will first contact the two sides of the packaging bag 17, so that the rubber 8 clamps the packaging bag 17 and the inner hollow sheet 13 and the outer hollow sheet 14, thereby improving the sealing between the packaging bag 17 and the inner hollow sheet 13 and the outer hollow sheet 14, and improving the air extraction effect of the packaging bag 17. After the rubber 8 contacts the packaging bag 17, the hot pressing plate 11 clamps the packaging bag 17 and performs hot pressing and sealing on the packaging bag 17 after the air is extracted.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A film sealing device for a prefabricated grilled fish packaging bag, comprising a fixing frame (1), a fixing groove is provided on the top of the fixing frame (1), an outer hollow sheet (14) is fixedly installed on the rear side of the fixing groove, an inner hollow sheet (13) is slidably installed on the inner side of the outer hollow sheet (14), the front side of the inner hollow sheet (13) extends to the front of the outer hollow sheet (14), and a packaging bag (17) is sleeved on the bottom of the inner hollow sheet (13) and the outer hollow sheet (14), characterized in that: Also includes: An air pump (15) and an electric push rod (16) are fixedly mounted on the top of the fixing frame (1), and are used to extract air from the interior of the packaging bag (17) through the inner hollow sheet (13), the outer hollow sheet (14), and the air pump (15), and are used to adjust the use width of the inner hollow sheet (13) and the outer hollow sheet (14) through the electric push rod (16); A sealing component and a film sealing component are arranged on both sides of the packaging bag (17), and a driving structure is arranged at the bottom of the sealing component and the film sealing component. The driving structure is used to drive the sealing component to make the packaging bag (17) close to the inner hollow sheet (13) and the outer hollow sheet (14), and to drive the film sealing component to perform hot-pressing packaging on the packaging bag (17).

2. The film sealing device for prefabricated grilled fish packaging bag according to claim 1, characterized in that: The free end of the electric push rod (16) is fixedly mounted on the front outer wall of the inner hollow sheet (13), the input end of the air pump (15) is fixedly mounted on one side of the outer hollow sheet (14), and the input end of the air pump (15) is communicated with the interior of the outer hollow sheet (14).

3. The film sealing device for prefabricated grilled fish packaging bag according to claim 2, characterized in that: The sealing assembly comprises a connecting plate (5), a T-shaped rod (6), a fixing plate (7), a rubber (8) and a push spring (9); the T-shaped rod (6) is slidably mounted on the connecting plate (5); the fixing plate (7) is fixedly mounted on one end of the T-shaped rod (6); the rubber (8) is fixedly mounted on one side of the fixing plate (7); the push spring (9) is sleeved on the outer wall of the T-shaped rod (6); the connecting plate (5), the T-shaped rod (6), the fixing plate (7), the rubber (8) and the push spring (9) are each provided in two groups and are bilaterally symmetrically arranged.

4. The film sealing device for prefabricated grilled fish packaging bag according to claim 3, characterized in that: The film sealing assembly comprises a connecting rod (10) and a hot pressing plate (11); the connecting rod (10) is fixedly mounted on one side of the connecting plate (5); the hot pressing plate (11) is fixedly mounted on one end of the connecting rod (10); and there are two groups of the connecting rod (10) and the hot pressing plate (11) which are arranged in a left-right symmetrical manner.

5. The film sealing device for prefabricated grilled fish packaging bag according to claim 4, characterized in that: The driving structure comprises a guide rod (2), a bidirectional threaded rod (3) and a servo motor (4); the servo motor (4) is fixedly mounted on one side of a fixing frame (1); the bidirectional threaded rod (3) is rotatably mounted on both sides of the fixing frame (1); the guide rod (2) is fixedly mounted on the inner walls of both sides of the fixing frame (1); the output shaft of the servo motor (4) is fixedly mounted on one end of the bidirectional threaded rod (3); the connecting plate (5) is threadedly mounted on the outer wall of the bidirectional threaded rod (3); and the connecting plate (5) is slidably mounted on the outer wall of the guide rod (2).

6. The film sealing device for prefabricated grilled fish packaging bag according to claim 5, characterized in that: A packaging bag sensor (12) is fixedly mounted on the inner bottom of the fixing frame (1).

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