Fully automatic sealing device for vegetable bags

Abstract

The invention discloses a fully automatic sealing device for bagging vegetables, and relates to the technical field of food packaging. The fully automatic sealing device for bagging vegetables is provided with a squeezing plate through a spring rod on a mounting seat for processing, and a resistance block is provided on a processing plate for processing, in order to squeeze the vegetables in the packaging bag before sealing so as to keep the vegetables away from the sealing position. When the packaging bag is placed on the processing plate and fixed, the mounting seat is started to make a heating knife approach the packaging bag, and the squeezing plate on the mounting seat will first contact the packaging bag and push the vegetables in the packaging bag to move to a position away from the sealing until the squeezing plate is abutted against the resistance block and cannot move. At this time, due to the resistance formed between the squeezing plate and the resistance block, the spring rod connecting the squeezing plate and the mounting seat is contracted, so that the heating knife can normally contact the packaging bag, thereby completing the sealing.

Description

Technical Field

[0001] The invention relates to the technical field of food packaging, in particular to a fully automatic sealing device for vegetable bags. Background Art

[0002] The development of food has always been one of the fastest-growing products in major markets. Today, there are many types of food. In order to meet the needs of the market, many foods are packaged in vacuum form, such as various vegetables and dried fruits. On the one hand, it can better store food, and on the other hand, it is convenient for transportation. Therefore, the relevant equipment for food packaging is also constantly improving, so that food can be better packaged and sold.

[0003] For example, a Chinese patent discloses a vacuum sealing device for food processing that can dissipate heat at the sealing portion, with publication number CN108995907A. The interior of the main body of the sealing device is a vacuum environment, which can ensure that the food can be packaged more safely and hygienically. The top cover is connected to the main body through a rotating shaft. The setting of the top cover can, on the one hand, cooperate with the sealing strip to provide assistance for the vacuum environment inside the main body, and on the other hand, can prevent dust from entering the main body after the food is placed inside the main body. The mounting rod and the hydraulic rod are fixedly connected, and both ends of the mounting rod are fixed on the inner wall of the main body, which is beneficial to provide support for the hydraulic rod. The hydraulic rod will press down the sealing strip. There are a total of six groups of hydraulic rods, which are beneficial to packaging multiple foods at the same time, greatly improving work efficiency.

[0004] However, in the actual processing, in order to speed up production efficiency, manufacturers generally use smaller thermoplastic sealing equipment to quickly heat-seal the packaging bags. However, the heat sealing operation requires a certain amount of time to cool down to improve the sealing effect. Since there will be a certain degree of adhesion between the heating knife and the packaging bag, the sealing strip is easily torn when the heating knife is withdrawn, which leads to seal failure. At the same time, vegetables are not like other foods, and their shapes vary greatly. Therefore, in the process of putting them into the packaging bag, it is easy for some vegetables to be located in the sealing position, which requires additional manual adjustment, or causes incomplete sealing, resulting in damage during transportation. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a fully automatic sealing device for vegetable bags, which solves the problem mentioned in the above background technology that due to a certain degree of adhesion between the heating knife and the packaging bag, the sealing strip is easily torn when the heating knife is withdrawn, thereby causing sealing failure and the vegetables have large differences in shape, which easily causes some vegetables to be located at the sealing position during the process of putting them into the packaging bag, thereby requiring additional manual adjustment.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a fully automatic sealing device for vegetable bagging, comprising a processing plate, a mounting seat and a heating knife, wherein the processing plate is used to place the packaging bag, the heating knife is mounted on the mounting seat, and the heating knife is used to seal the packaging bag;

[0007] The mounting seat is also provided with a squeezing mechanism, which is used to squeeze the vegetables in the packaging bag;

[0008] The extrusion mechanism comprises an extrusion plate arranged on the mounting seat, and a resisting block matched with the extrusion plate is mounted on the processing plate, and the resisting block is used to resist the extrusion plate.

[0009] Preferably, the mounting seat is further provided with an auxiliary mechanism, and the auxiliary mechanism is used to press the packaging bag;

[0010] The auxiliary mechanism comprises a pressing plate arranged on the mounting seat, and a lower knife groove matching the heating knife is formed on the pressing plate.

[0011] Preferably, the pressure plate is also provided with a delay mechanism, the delay mechanism comprises a first movable plate arranged on the pressure plate, a second movable plate adapted to the first movable plate is arranged on the mounting seat, and a connecting spring is arranged between the second movable plate and the first movable plate.

[0012] Preferably, a connecting rod is further provided on the first movable plate, the second movable plate is slidably provided on the connecting rod, a nut is provided on the connecting rod, and the nut is meshed with the connecting rod.

[0013] Preferably, the pressing plate is further provided with a combination mechanism, and the pressing plate is spliced ​​with the extrusion plate as a whole through the combination mechanism;

[0014] The combined mechanism comprises an inserting block arranged on the pressing plate, and a slot which is adapted to the inserting block is provided on the pressing plate.

[0015] Preferably, a fixing mechanism is arranged in the slot, and the fixing mechanism comprises a pressing plate slidably arranged in the slot, and an inclined block is also arranged on the pressing plate.

[0016] Preferably, a pressing plate is further provided with a pressing spring, and the pressing plate is elastically connected to the pressing plate via the pressing spring.

[0017] Preferably, a sliding mechanism is further provided in the extrusion plate, and the extrusion plate is connected to the pressing plate via the sliding mechanism;

[0018] The sliding mechanism comprises a sliding groove opened on the extrusion plate, a sliding rod matched with the sliding groove is arranged on the pressing plate, the sliding rod is slidably arranged in the sliding groove, and the extrusion spring is sleeved on the outer side of the sliding rod.

[0019] Preferably, a pressurizing mechanism is further provided in the extrusion plate, and the pressurizing mechanism is used to increase the sliding pressure of the slide rod;

[0020] The pressurizing mechanism comprises a pressurizing block arranged on the extrusion plate, and the slide bar is provided with a pressurizing hole adapted to the pressurizing block;

[0021] A plurality of the pressure blocks are arranged on the extrusion plate, and the plurality of pressure blocks have different lengths.

[0022] Preferably, a resistance mechanism is further provided in the extrusion plate, and the resistance mechanism comprises a convex rod provided in the extrusion plate, a rubber sleeve is sleeved on the convex rod, the convex rod is connected with the rubber sleeve, and the sliding rod is slidably provided on the rubber sleeve.

[0023] The present invention provides a fully automatic sealing device for vegetable bags, which has the following beneficial effects:

[0024] 1. The fully automatic sealing device for vegetable bags is provided with an extrusion plate through a spring rod on a mounting seat for processing, and an abutment block is provided on a processing board for processing, in order to squeeze the vegetables in the packaging bag before sealing so as to keep the vegetables away from the sealing position. When the packaging bag is placed on the processing board and fixed, the mounting seat is started to make the heating knife approach the packaging bag, and the extrusion plate on the mounting seat will first contact the packaging bag and push the vegetables in the packaging bag to a position away from the sealing until the extrusion plate abuts on the abutment block and cannot move. At this time, due to the resistance formed between the extrusion plate and the abutment block, the spring rod connecting the extrusion plate and the mounting seat is contracted, so that the heating knife can normally contact the packaging bag, thereby completing the sealing.

[0025] 2. The fully automatic sealing device for vegetable bags requires a period of time for the packaging bag to cool down after the heating knife completes the sealing so as to complete the complete sealing. In order to avoid sticking of the packaging bag due to the heating of the heating knife to the packaging bag during the process of withdrawing the knife, a pressing plate is also provided on the mounting seat. The pressing plate is provided with a lower knife groove for the heating knife and the packaging bag to contact. By setting the pressing plate, additional limit is provided on the sealing part of the packaging, thereby preventing the heating knife from tearing the sealing mouth when withdrawing the knife, causing sealing failure.

[0026] 3. The fully automatic sealing device for vegetable bags is provided with a plurality of pressure blocks in the extrusion plate in order to improve the extrusion effect of the pressing plate on the plug-in block so that the extrusion plate and the pressure plate can move simultaneously until the pressure plate is in a suspended state. A pressure hole is opened on the slide bar, and the pressure block can be inserted into the pressure hole. When the slide bar slides in the sliding groove toward the top of the extrusion plate, the pressure block will be inserted into the pressure hole, thereby sealing the pressure hole, thereby increasing the air resistance of the slide bar, and then reacting the resistance on the plug-in block, so that the connection between the plug-in block and the slot is tighter, thereby improving the matching effect of the pressure plate and the extrusion plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0028] Figure 2 It is a schematic diagram of the side structure of the present invention (without processing plate).

[0029] Figure 3 for Figure 4 A partial enlarged view of point A in the middle.

[0030] Figure 4 It is a schematic diagram of the internal structure of the present invention.

[0031] Figure 5 It is a structural schematic diagram of the extrusion plate of the present invention.

[0032] Figure 6 This is a schematic diagram of the first internal structure of the extruded plate of the present invention.

[0033] Figure 7 It is a schematic diagram of the second internal mechanism at the extrusion plate of the present invention.

[0034] Figure 8 for Figure 6 A partial enlarged view of point B in the middle.

[0035] In the figure: 1. processing plate; 2. mounting seat; 3. heating knife; 4. extrusion mechanism; 41. extrusion plate; 42. resistance block; 5. auxiliary mechanism; 51. pressure plate; 52. lower knife groove; 6. delay mechanism; 61. first movable plate; 62. second movable plate; 63. connecting spring; 64. connecting plug rod; 65. nut; 7. combination mechanism; 71. plug block; 72. slot; 8. fixing mechanism; 81. pressing plate; 82. inclined block; 9. extrusion spring; 10. sliding mechanism; 101. sliding groove; 102. sliding rod; 11. pressurizing mechanism; 111. pressurizing block; 112. pressurizing hole; 12. resistance mechanism; 121. convex rod; 122. rubber sleeve; 123. first airway; 124. second airway; 13. limiting mechanism; 131. limiting groove; 132. limiting block; 133. limiting rod. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] Embodiment 1: In the actual processing process, in order to speed up production efficiency, manufacturers generally use smaller thermoplastic sealing equipment to quickly heat-seal the packaging bag. However, the heat-sealing operation requires a certain amount of time to cool down to improve the sealing effect. Since there will be a certain amount of adhesion between the heating knife and the packaging bag, and the traditional fixation of the packaging bag is generally set at the four corners or fixed by manual pressing, it is easy to tear the sealing strip when the heating knife is withdrawn, resulting in sealing failure. At the same time, vegetables are not like other foods, and their shapes vary greatly. Therefore, in the process of putting them into the packaging bag, it is easy for some vegetables to be located at the sealing position, which requires additional manual adjustment, or causes incomplete sealing, resulting in damage during transportation.

[0038] See also Figure 1-8 The present invention provides a fully automatic sealing device for vegetable bags, comprising a processing plate 1, a mounting seat 2 and a heating knife 3, wherein the processing plate 1 is used to place the packaging bag, the heating knife 3 is mounted on the mounting seat 2, and the heating knife 3 is used to seal the packaging bag;

[0039] The mounting seat 2 is also provided with a squeezing mechanism 4, which is used to squeeze the vegetables in the packaging bag;

[0040] The extrusion mechanism 4 includes an extrusion plate 41 disposed on the mounting seat 2 , and a resisting block 42 matched with the extrusion plate 41 is installed on the processing plate 1 , and the resisting block 42 is used to resist the extrusion plate 41 .

[0041] In the present embodiment: in order to be able to squeeze the vegetables in the packaging bag before sealing so as to keep the vegetables away from the sealing position, a squeezing plate 41 is provided on the processing mounting seat 2 through a spring rod, and a resistance block 42 is provided on the processing plate 1 for processing. When the packaging bag is placed on the processing plate 1 and fixed, by starting the mounting seat 2 to make the heating knife 3 approach the packaging bag, the squeezing plate 41 on the mounting seat 2 will first contact the packaging bag and push the vegetables in the packaging bag to a position away from the sealing until the squeezing plate 41 is abutted against the resistance block 42 and cannot move. At this time, due to the resistance formed between the squeezing plate 41 and the resistance block 42, the spring rod connecting the squeezing plate 41 and the mounting seat 2 is contracted, so that the heating knife 3 can normally contact the packaging bag, thereby completing the sealing.

[0042] By providing the squeezing plate 41 and the resistance block 42, the sealing device can push the vegetables in the packaging bag away from the sealing portion before processing, thereby preventing the heating knife 3 from contacting the vegetables, which would not only damage the quality of the vegetables but also cause incomplete sealing, thereby causing damage to the vegetables.

[0043] For example 2, please refer to Figure 1-8 , the mounting seat 2 is also provided with an auxiliary mechanism 5, the auxiliary mechanism 5 is used to press the packaging bag;

[0044] The auxiliary mechanism 5 comprises a pressing plate 51 arranged on the mounting seat 2 , and a lower knife groove 52 adapted to the heating knife 3 is formed on the pressing plate 51 .

[0045] The pressure plate 51 is also provided with a delay mechanism 6, which includes a first movable plate 61 provided on the pressure plate 51, a second movable plate 62 adapted to the first movable plate 61 is provided on the mounting seat 2, and a connecting spring 63 is provided between the second movable plate 62 and the first movable plate 61.

[0046] A connecting rod 64 is also provided on the first movable plate 61 , and the second movable plate 62 is slidably provided on the connecting rod 64 . A nut 65 is provided on the connecting rod 64 , and the nut 65 is meshed with the connecting rod 64 .

[0047] In this embodiment: after the heating knife 3 completes the sealing, the packaging bag needs a period of time to cool down so as to complete the complete sealing. In order to avoid sticking of the packaging bag due to the heating of the heating knife 3 on the packaging bag during the process of withdrawing the knife, a pressing plate 51 is further provided on the mounting seat 2. The pressing plate 51 is provided with a lower knife groove 52 for allowing the heating knife 3 to contact the packaging bag. By providing the pressing plate 51, additional limiting is performed on the sealing portion of the package, thereby avoiding the heating knife 3 tearing the sealing opening when withdrawing the knife, causing sealing failure. The pressing plate 51 is arranged on the lower side of the heating knife 3.

[0048] In order to allow the pressing plate 51 to first contact the packaging bag and leave after the heating knife 3 leaves the packaging bag when the knife is withdrawn, a first movable plate 61 is provided on the pressing plate 51, and a second movable plate 62 is provided on the mounting seat 2. The second movable plate 62 is connected to the heating knife 3, and a connecting spring 63 is provided between the second movable plate 62 and the first movable plate 61. The first movable plate 61 is elastically connected to the second movable plate 62 through the connecting spring 63.

[0049] When the heating knife 3 moves toward the packaging bag, the pressing plate 51 will first contact the packaging bag. At this time, the heating knife 3 can pass through the pressing plate 51 through the lower knife groove 52 and continue to move toward the packaging bag until it contacts the packaging bag and performs heat sealing. After the pressing plate 51 contacts the packaging bag, the heating knife 3 continues to move, and the contact block 42 gradually approaches the extrusion plate 41, thereby pressing the connecting spring 63 to cause it to undergo elastic deformation, thereby generating and accumulating elastic potential energy. When the heating knife 3 is withdrawn, due to the second The movable plate 62 is fixedly connected to the heating knife 3, so the elastic potential energy generated by the connecting spring 63 is not transmitted to the second movable plate 62, and the pressure plate 51 is elastically connected to the second movable plate 62 through the connecting spring 63. Compared with the mounting seat 2, the pressure plate 51 is movably connected, so the elastic potential energy of the connecting spring 63 will be converted into downward pressure, so that the pressure plate 51 can still press on the packaging bag for a period of time after the heating knife 3 is away from the packaging bag, thereby limiting the sealing part of the packaging bag to avoid damage to the seal when the knife is withdrawn.

[0050] A connecting rod 64 is provided on the first movable plate 61, and the connecting rod 64 passes through the second movable plate 62. A nut 65 is also provided on the connecting rod 64, and the nut 65 is engaged with the connecting rod 64. The distance between the first movable plate 61 and the second movable plate 62 can be adjusted by the nut 65, and then the elastic potential energy of the connecting spring 63 can be adjusted, thereby adjusting the pressure generated by the pressure plate 51 on the packaging bag to adapt to packaging bags of different materials and improve applicability.

[0051] For example 3, please refer to Figure 1-8 The pressing plate 51 is also provided with a combination mechanism 7, and the pressing plate 51 is spliced ​​into a whole with the extrusion plate 41 through the combination mechanism 7;

[0052] The combined mechanism 7 includes an insert block 71 disposed on the pressing plate 51 . A slot 72 adapted to the insert block 71 is provided on the extrusion plate 41 . The insert block 71 is inserted into the slot 72 .

[0053] A fixing mechanism 8 is disposed in the slot 72 . The fixing mechanism 8 includes a pressing plate 81 slidably disposed in the slot 72 . An inclined block 82 is further disposed on the pressing plate 81 . The inclined block 82 abuts against the inserting block 71 .

[0054] The pressing plate 81 is further provided with a pressing spring 9 , and the pressing plate 81 is elastically connected to the pressing plate 41 via the pressing spring 9 .

[0055] A sliding mechanism 10 is also provided in the extrusion plate 41, and the extrusion plate 41 is connected to the pressing plate 81 via the sliding mechanism 10;

[0056] The sliding mechanism 10 includes a sliding groove 101 opened on the extrusion plate 41 , and a sliding rod 102 adapted to the sliding groove 101 is provided on the pressing plate 81 . The sliding rod 102 is slidably arranged in the sliding groove 101 , and the extrusion spring 9 is sleeved on the outside of the sliding rod 102 .

[0057] In the present embodiment: In order to improve the stability of the pressing plate 51 and to ensure to the greatest extent that the pressing plate 51 can leave the packaging bag after the heating knife 3, an insert block 71 is provided on the pressing plate 51, and a slot 72 which is compatible with the insert block 71 is provided on the squeezing plate 41 used for squeezing vegetables. The insert block 71 can be inserted into the slot 72. Through the cooperation of the insert block 71 and the slot 72, the pressing plate 51 is connected to the squeezing plate 41 as a whole, thereby ensuring that the pressing plate 51 cannot be separated from the packaging bag before the squeezing plate 41 is separated from the pressing plate 51, thereby improving the pressing strength.

[0058] In order to improve the tightness of the fit between the plug block 71 and the slot 72, a pressing plate 81 is also slidably arranged in the slot 72, and at the same time, an inclined block 82 adapted to the inclined surface of the plug block 71 is arranged on the pressing plate 81. Through the cooperation between the pressing plate 81 and the inclined block 82, the plug block 71 is more tightly inserted into the slot 72, and then in the process of the extrusion plate 41 moving away from the packaging bag, the plug block 71 will not easily detach from the slot 72, so that the pressing plate 51 can maintain contact with the packaging bag for a longer time, thereby flattening the packaging bag.

[0059] The pressing plate 81 is connected to the pressing plate 41 through the pressing spring 9, so that the pressing plate 81 can slide in the slot 72. The elastic potential energy generated by the pressing spring 9 makes the pressing plate 81 and the plug block 71 contact more tightly, and also facilitates the plug block 71 to be inserted into the slot 72.

[0060] In order to prevent the extrusion spring 9 from bending during elastic deformation, thereby causing the pressing plate 81 to get stuck in the slot 72, a sliding groove 101 is further provided in the extrusion plate 41. A sliding rod 102 adapted to the sliding groove 101 is provided on the pressing plate 81. The sliding rod 102 is slidably arranged in the sliding groove 101, and the extrusion spring 9 is sleeved on the outside of the sliding rod 102. The sliding rod 102 limits the extrusion spring 9 to prevent it from bending.

[0061] At the same time, a limiting mechanism 13 is also arranged in the extrusion plate 41, and the limiting mechanism 13 includes a limiting groove 131 opened in the extrusion plate 41, and a limiting block 132 arranged on the pressing plate 81. Through the cooperation of the limiting groove 131 and the limiting block 132, the pressing plate 81 slides more stably in the insertion block 71, and a limiting rod 133 is also arranged in the limiting groove 131. The limiting block 132 is slidably arranged on the limiting rod 133 to limit the sliding of the limiting block 132.

[0062] Example 4, please refer to Figure 1-8 , a pressurizing mechanism 11 is also provided in the extrusion plate 41, and the pressurizing mechanism 11 is used to increase the sliding pressure of the slide bar 102;

[0063] The pressurizing mechanism 11 includes a pressurizing block 111 disposed on the extrusion plate 41 , and a pressurizing hole 112 adapted to the pressurizing block 111 is formed on the slide bar 102 .

[0064] A plurality of pressurizing blocks 111 are provided on the pressing plate 41 , and the plurality of pressurizing blocks 111 have different lengths.

[0065] A resistance mechanism 12 is also provided in the extrusion plate 41 . The resistance mechanism 12 includes a protruding rod 121 provided in the extrusion plate 41 . A rubber sleeve 122 is sleeved on the protruding rod 121 . The protruding rod 121 is connected to the rubber sleeve 122 . The sliding rod 102 is slidably provided on the rubber sleeve 122 .

[0066] In this embodiment: In order to improve the squeezing effect of the pressing plate 81 on the plug 71, so that the squeezing plate 41 and the pressing plate 51 can move simultaneously until the pressing plate 51 is in a suspended state, a plurality of pressure blocks 111 are arranged in the squeezing plate 41, and a pressure hole 112 is opened on the sliding rod 102, and the pressure block 111 can be inserted into the pressure hole 112. When the sliding rod 102 slides in the sliding groove 101 toward the top of the squeezing plate 41, the pressure block 111 will be inserted into the pressure hole 112, thereby sealing the pressure hole 112, thereby causing the sliding rod 102 to experience an increase in air resistance, and then reacting the resistance on the plug 71, so that the connection between the plug 71 and the slot 72 is tighter, thereby improving the matching effect of the pressing plate 51 and the squeezing plate 41.

[0067] At the same time, the lengths of the plurality of pressure blocks 111 are different, so that the air resistance encountered by the slide bar 102 will not instantly reach a maximum value when sliding, thereby avoiding sliding difficulties and adapting to packaging bags of different thicknesses.

[0068] At the same time, a convex rod 121 is also provided in the extrusion plate 41, and the sliding rod 102 is slidably set on the convex rod 121. At the same time, a rubber sleeve 122 is sleeved on the convex rod 121. The convex rod 121 and the rubber sleeve 122 are connected through the second air channel 124, and the convex rod 121 is connected with the outside through the first air channel 123, so that when the sliding rod 102 slides to the top of the extrusion plate 41, the gas can be squeezed into the convex rod 121 through the first air channel 123, and flow into the rubber sleeve 122 through the second air channel 124, thereby causing the rubber sleeve 122 to expand, thereby increasing the resistance between the sliding rod 102 and the convex rod 121, avoiding the inability to effectively cooperate with the pressure block 111 and the pressure hole 112 due to the thin packaging bag, thereby improving the applicability of the device.

[0069] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Fully automatic sealing device for vegetable bags, characterized by: It comprises a processing plate (1), a mounting seat (2) and a heating knife (3), wherein the processing plate (1) is used to place a packaging bag, the heating knife (3) is mounted on the mounting seat (2), and the heating knife (3) is used to seal the packaging bag; The mounting seat (2) is also provided with a squeezing mechanism (4), and the squeezing mechanism (4) is used to squeeze the vegetables in the packaging bag; The extrusion mechanism (4) comprises an extrusion plate (41) arranged on the mounting seat (2), and a resisting block (42) adapted to the extrusion plate (41) is mounted on the processing plate (1), and the resisting block (42) is used to resist the extrusion plate (41); The mounting seat (2) is also provided with an auxiliary mechanism (5), and the auxiliary mechanism (5) is used for pressing the packaging bag; The auxiliary mechanism (5) comprises a pressure plate (51) disposed on the mounting seat (2), the pressure plate (51) being provided with a lower knife groove (52) adapted to the heating knife (3); The pressure plate (51) is further provided with a delay mechanism (6), the delay mechanism (6) comprising a first movable plate (61) provided on the pressure plate (51), a second movable plate (62) adapted to the first movable plate (61) being provided on the mounting seat (2), and a connecting spring (63) being provided between the second movable plate (62) and the first movable plate (61); The first movable plate (61) is further provided with a connecting rod (64), the second movable plate (62) is slidably provided on the connecting rod (64), the connecting rod (64) is provided with a nut (65), and the nut (65) is meshed with the connecting rod (64); The pressing plate (51) is further provided with a combination mechanism (7), and the pressing plate (51) is spliced ​​with the extrusion plate (41) into a whole through the combination mechanism (7); The combined mechanism (7) comprises an insert block (71) arranged on the pressing plate (51), and a slot (72) adapted to fit the insert block (71) is provided on the extrusion plate (41).

2. The fully automatic sealing device for bagging vegetables according to claim 1 is characterized by: A fixing mechanism (8) is arranged in the slot (72), and the fixing mechanism (8) comprises a pressing plate (81) slidably arranged in the slot (72), and an inclined block (82) is also arranged on the pressing plate (81).

3. The fully automatic sealing device for bagging vegetables according to claim 2 is characterized by: A pressing spring (9) is also provided on the pressing plate (81), and the pressing plate (81) is elastically connected to the pressing plate (41) via the pressing spring (9).

4. The fully automatic sealing device for bagging vegetables according to claim 3 is characterized by: A sliding mechanism (10) is also provided in the extrusion plate (41), and the extrusion plate (41) is connected to the pressing plate (81) via the sliding mechanism (10); The sliding mechanism (10) comprises a sliding groove (101) provided on the extrusion plate (41); a sliding rod (102) adapted to the sliding groove (101) is provided on the pressing plate (81); the sliding rod (102) is slidably arranged in the sliding groove (101); and the extrusion spring (9) is sleeved on the outside of the sliding rod (102).

5. The fully automatic sealing device for bagging vegetables according to claim 4 is characterized by: A pressurizing mechanism (11) is also provided in the extrusion plate (41), and the pressurizing mechanism (11) is used to increase the sliding pressure of the sliding rod (102); The pressurizing mechanism (11) comprises a pressurizing block (111) arranged on the extrusion plate (41), and the slide rod (102) is provided with a pressurizing hole (112) which is adapted to the pressurizing block (111); A plurality of the pressure blocks (111) are arranged on the extrusion plate (41), and the lengths of the plurality of pressure blocks (111) are different.

6. The fully automatic sealing device for bagging vegetables according to claim 5 is characterized by: A resistance mechanism (12) is also provided in the extrusion plate (41), the resistance mechanism (12) comprising a protruding rod (121) provided in the extrusion plate (41), a rubber sleeve (122) being sleeved on the protruding rod (121), the protruding rod (121) being connected to the rubber sleeve (122), and the sliding rod (102) being slidably provided on the rubber sleeve (122).

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