Efficient air exhaust heat sealing machine

Abstract

The utility model provides an efficient air exhaust heat sealing machine. An efficient air exhaust heat sealing machine comprises a first conveying device, a second conveying device, a machine case and the like. A second conveying device is arranged on the left of the first conveying device; and a case is arranged behind the second conveying device. Air in the packaging bag enters the exhaust pipe through the channel formed between the exhaust pipe and the oval cone, so that under the action of the oval cone, the exhaust pipe can be prevented from being in a downward direct exhaust mode during vacuumizing, powder in the packaging bag is very easily exhausted by the exhaust pipe in the vacuumizing mode for powder products, and the packaging bag is prevented from being damaged. Therefore, powder in the packaging bag is reduced, selling of products is affected, and meanwhile, the extracted powder can block the exhaust pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to packaging technical field, especially a kind of high-efficiency air extraction heat sealing machine. BACKGROUND

[0002] With the progress of science and technology and the improvement of people's living standards, in order to prevent the mildew of food and prolong the shelf life, various plastic vacuum packaging are everywhere.

[0003] In the prior art, when the inside of the packaging bag is vacuumed, the air nozzle is usually in a downward straight suction mode. This vacuuming mode is prone to suck the powder in the packaging bag when dealing with powder products, which reduces the powder in the packaging bag and affects the sale of products. Meanwhile, the sucked powder also blocks the air nozzle.

[0004] At the same time, during the vacuuming process of the air nozzle to the packaging bag, the packaging bag will be tightly attached to the air nozzle due to the dryness, which leads to poor air suction effect of the air nozzle and incomplete air extraction in the packaging bag. UTILITY MODEL CONTENT

[0005] In order to overcome the shortcomings of the above-mentioned vacuuming mode, the utility model provides a high-efficiency air extraction heat sealing machine.

[0006] The technical scheme is as follows: a high-efficiency air extraction heat sealing machine comprises a first conveying device, a second conveying device and a machine box; the second conveying device is arranged on the left side of the first conveying device; the machine box is arranged on the rear side of the second conveying device; further comprising a heat sealing mechanism, a moving mechanism, a first electric push rod, a connecting rod, a pulling mechanism, an air extraction pipe, an elliptical cone and an elastic sheet; the heat sealing mechanism for sealing the packaging bag is connected to the front side of the machine box; the moving mechanism is connected to the middle part of the front side of the machine box; a plurality of first electric push rods are connected to the moving mechanism; each first electric push rod is fixedly connected with a connecting rod at the telescopic part; a plurality of air extraction pipes for vacuumizing the packaging bag are connected to the middle part of the moving mechanism; the pulling mechanism is connected to the machine box and arranged in the air extraction pipe; a plurality of elastic sheets are fixedly connected to the lower part of the outer surface of each air extraction pipe; one end of all the elastic sheets on the left side is fixedly connected with an elliptical cone, and one end of all the elastic sheets on the right side is fixedly connected with another elliptical cone, and the elliptical cones are connected to the pulling mechanism.

[0007] As preferred, the bag opening mechanism is further included; the bag opening mechanism is connected to the upper side of the second conveying device; the bag opening mechanism comprises a second electric push rod, a third electric push rod, a fixed plate and a suction cup; the upper side of the second conveying device is fixedly connected with a plurality of second electric push rods; each second electric push rod is provided with a third electric push rod on the telescopic part; each third electric push rod is fixedly connected with a fixed plate on the telescopic part; and each fixed plate is provided with a plurality of suction cups.

[0008] As preferred, the heat sealing mechanism comprises a first electric sliding rail, a first electric sliding block, a first shell, a supporting plate, a fourth electric push rod, a connecting seat and a heating block; the front side of the cabinet is fixedly connected with a plurality of first electric sliding rails; each first electric sliding rail is slidably connected with a first electric sliding block; the front side of all the first electric sliding blocks is fixedly connected with a first shell; the upper side of the first shell is fixedly connected with a plurality of supporting plates; each supporting plate is fixedly connected with a fourth electric push rod on the lower part; each fourth electric push rod is fixedly connected with a connecting seat on the telescopic part; and each connecting seat is provided with a heating block for heating the heat sealing part of the packaging bag.

[0009] As preferred, the pressing mechanism is connected to the upper part of each supporting plate; the pressing mechanism comprises a fifth electric push rod, a U-shaped seat and an air bag; each supporting plate is fixedly connected with a fifth electric push rod on the upper part; each fifth electric push rod is fixedly connected with a U-shaped seat on the telescopic part; and each U-shaped seat is provided with an air bag for pressing the bag opening.

[0010] As preferred, the moving mechanism comprises a second electric sliding rail, a second electric sliding block and a second shell; the front side of the cabinet is fixedly connected with a plurality of second electric sliding rails; each second electric sliding rail is slidably connected with a second electric sliding block; the front side of all the second electric sliding blocks is fixedly connected with a second shell; the second shell is fixedly connected with the first electric push rod; and the second shell is fixedly connected with the air suction pipe.

[0011] As preferred, the pulling mechanism comprises a connecting plate, a fixed rod, a first strong magnet, an elastic piece, a T-shaped plate and a second strong magnet; each air suction pipe is provided with a connecting plate; each connecting plate is slidably connected with a fixed rod; the fixed rod is fixedly connected with the elliptical cone; each fixed rod is provided with a first strong magnet on the upper side of the front side; each fixed rod is fixedly connected with an elastic piece on the upper side of the outer ring surface; the front side of the cabinet is fixedly connected with a T-shaped plate; the left side and the right side of the T-shaped plate are provided with a second strong magnet; and the second strong magnet cooperates with the first strong magnet.

[0012] The beneficial effects of the present application are as follows:

[0013] The suction cup will be in contact with the bag opening of the packaging bag, at this time the suction cup is controlled to adsorb the packaging bag, and then the third electric push rod is controlled to move the two fixing plates away from each other to reset, in this process, the bag opening of the packaging bag will be pulled open, thereby facilitating the subsequent insertion of the air suction pipe.

[0014] The first electric push rod is controlled to move the two connecting rods away from each other, the connecting rods will be in contact with the packaging bag and pull the bag opening of the packaging bag flat, thereby avoiding wrinkles at the bag opening which will interfere with the subsequent heat sealing operation, resulting in problems such as insecure or defective sealing of the packaging bag.

[0015] Under the action of the air bag, the connecting rods and the air suction pipe can be tightly attached to the packaging bag, thereby avoiding air entering the packaging bag through the gap between the air suction pipe and the packaging bag, so that there is still air in the packaging bag after vacuumizing, which will affect the storage of the product in the packaging bag.

[0016] The air in the packaging bag will enter the air suction pipe through the channel formed between the air suction pipe and the elliptical cone, thereby avoiding the air suction pipe being in a downward straight suction mode under the action of the elliptical cone when vacuumizing. For powder products, the air suction pipe is prone to sucking away the powder in the packaging bag, which reduces the amount of powder in the packaging bag and affects the sale of the product. Moreover, the sucked away powder will also cause blockage of the air suction pipe.

[0017] During the vacuumizing process of the air suction pipe on the packaging bag, the packaging bag will be tightly attached to each other due to the shrinkage of the packaging bag. Therefore, the deformed elastic sheet will play a role of outward expansion on the packaging bag, thereby avoiding the packaging bag being attached between the air suction pipe and the elliptical cone, which results in poor air suction effect of the air suction pipe and incomplete air extraction in the packaging bag. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure diagram of the high-efficiency air suction heat sealing machine is disclosed.

[0019] Figure 2 The first partial sectional view of the high-efficiency air suction heat sealing machine is disclosed.

[0020] Figure 3 The enlarged view of A of the high-efficiency air suction heat sealing machine is disclosed.

[0021] Figure 4 The second partial sectional view of the high-efficiency air suction heat sealing machine is disclosed.

[0022] Figure 5 The enlarged view of B of the high-efficiency air suction heat sealing machine is disclosed.

[0023] Figure 6 The third partial sectional view of the high-efficiency air suction heat sealing machine is disclosed.

[0024] Figure 7 This is an enlarged view of section C of the disclosed practical and efficient vacuum heat sealing machine.

[0025] Explanation of reference numerals in the attached drawings: 1-First conveying device, 2-Second conveying device, 3-Chassis, 4-First electric push rod, 5-Connecting rod, 6-Evacuation pipe, 7-Elliptical cone, 8-Elastic sheet, 21-Second electric push rod, 22-Third electric push rod, 23-Fixing plate, 24-Suction cup, 31-First electric slide rail, 32-First electric slider, 33-First housing, 34-Support plate, 35-Fourth electric push rod, 36-Connecting seat, 37-Heating block, 41-Fifth electric push rod, 42-U-shaped seat, 43-Airbag, 51-Second electric slide rail, 52-Second electric slider, 53-Second housing, 71-Connecting plate, 72-Fixing rod, 73-First strong magnet, 74-Elastic element, 75-T-shaped plate, 76-Second strong magnet. Detailed Implementation

[0026] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0027] Example

[0028] A high-efficiency vacuum heat sealing machine, such as Figures 1-7 As shown, it includes a first conveying device 1, a second conveying device 2, and a housing 3; the second conveying device 2 is located to the left of the first conveying device 1; the housing 3 is located behind the second conveying device 2.

[0029] It also includes a heat sealing mechanism, a moving mechanism, a first electric push rod 4, a connecting rod 5, a pulling mechanism, an air extraction pipe 6, an elliptical cone 7, and elastic plates 8; the heat sealing mechanism is connected to the front side of the housing 3; the moving mechanism is connected to the middle of the front side of the housing 3; two first electric push rods 4 are connected to the moving mechanism and are equidistant from left to right; each first electric push rod 4 has a connecting rod 5 fixedly connected to its telescopic part; two air extraction pipes 6 are connected to the middle of the moving mechanism and are equidistant from left to right; a pulling mechanism is provided inside the air extraction pipe 6 and is connected to the housing 3; eight elastic plates 8 are fixedly connected to the lower part of the outer ring surface of each air extraction pipe 6 and are equidistant from ellipses; one end of all the elastic plates 8 on the left is fixedly connected to an elliptical cone 7, and one end of all the elastic plates 8 on the right is fixedly connected to another elliptical cone 7 and is connected to the pulling mechanism.

[0030] The bag opening mechanism is connected to the upper side of the second conveying device 2, and comprises a second electric push rod 21, a third electric push rod 22, a fixed plate 23 and a suction cup 24. The second electric push rod 21 is bolted to the upper side of the second conveying device 2. The third electric push rod 22 is installed on the telescopic part of the second electric push rod 21. The fixed plate 23 is fixedly connected to the telescopic part of the third electric push rod 22. The suction cup 24 is installed on the fixed plate 23.

[0031] The heat sealing mechanism comprises a first electric sliding rail 31, a first electric sliding block 32, a first housing 33, a support plate 34, a fourth electric push rod 35, a connecting seat 36 and a heating block 37. The first electric sliding rail 31 is bolted to the front side of the cabinet 3. The first electric sliding block 32 is slidably connected to the first electric sliding rail 31. The first housing 33 is fixedly connected to the front side of the first electric sliding block 32. The support plate 34 is fixedly connected to the inside of the first housing 33. The fourth electric push rod 35 is bolted to the lower part of the support plate 34. The connecting seat 36 is fixedly connected to the telescopic part of the fourth electric push rod 35. The heating block 37 is installed on the connecting seat 36.

[0032] The pressing mechanism is connected to the upper part of the support plate 34. The pressing mechanism comprises a fifth electric push rod 41, a U-shaped seat 42 and an air bag 43. The fifth electric push rod 41 is bolted to the upper part of the support plate 34. The U-shaped seat 42 is fixedly connected to the telescopic part of the fifth electric push rod 41. The air bag 43 is installed on the U-shaped seat 42.

[0033] The moving mechanism comprises a second electric sliding rail 51, a second electric sliding block 52 and a second housing 53. The second electric sliding rail 51 is bolted to the front side of the cabinet 3. The second electric sliding block 52 is slidably connected to the second electric sliding rail 51. The second housing 53 is fixedly connected to the front side of the second electric sliding block 52. The second housing 53 is bolted to the first electric push rod 4 and fixedly connected to the air suction pipe 6.

[0034] The pulling mechanism includes a connecting plate 71, a fixed rod 72, a first strong magnet 73, an elastic element 74, a T-shaped plate 75, and a second strong magnet 76. Each suction pipe 6 has a connecting plate 71 installed inside it. Each connecting plate 71 is slidably connected to a fixed rod 72, and the fixed rod 72 is fixedly connected to the elliptical cone 7. Each fixed rod 72 has a first strong magnet 73 installed on its upper front side. Each fixed rod 72 has an elastic element 74 fixedly connected to its upper outer ring surface, and one end of the elastic element 74 is fixedly connected to the connecting plate 71. The elastic element 74 is a spring. The upper front side of the housing 3 is fixedly connected to a T-shaped plate 75. Each T-shaped plate 75 has a second strong magnet 76 installed on its left and right sides, and the second strong magnet 76 cooperates with the first strong magnet 73.

[0035] When using this high-efficiency vacuum heat sealing machine, firstly, the vacuum pipe 6 is connected to the external pump via a flexible hose. Then, the operator places the packaging bag on the first conveyor device 1, and then controls the first conveyor device 1 to move the packaging bag to the left onto the second conveyor device 2. During this process, the second conveyor device 2 is simultaneously controlled to move, thus moving the packaging bag to the center of the two second electric push rods 21. Figure 1 As shown, the second electric push rod 21 is then controlled to move the third electric push rod 22 upward. The fixing plate 23 and the suction cup 24 move synchronously with the third electric push rod 22. Then, the third electric push rod 22 is controlled to move the two fixing plates 23 toward each other. The suction cup 24 moves synchronously with the corresponding fixing plate 23. Then, the suction cup 24 will contact the opening of the packaging bag. At this time, the suction cup 24 is controlled to adsorb the packaging bag. Then, the third electric push rod 22 is controlled to move the two fixing plates 23 back to their original positions. During this process, the opening of the packaging bag will be opened, which facilitates the subsequent insertion of the suction tube 6.

[0036] Then, the second electric sliding rail 51 is controlled to move the second electric sliding block 52 downward, and the second shell 53 and the parts connected therewith move synchronously with the second electric sliding block 52, and then the connecting rods 5, the air suction pipe 6, the elliptical cone 7 and the elastic sheet 8 enter the packaging bag. Then, the first electric push rod 4 is controlled to move the two connecting rods 5 away from each other, and the connecting rods 5 contact the packaging bag and pull the bag opening flat, so as to avoid wrinkles at the bag opening, which will interfere with the subsequent heat sealing operation, resulting in problems such as insecure or defective sealing of the packaging bag. Then, the first electric sliding rail 31 is controlled to move the first electric sliding block 32 downward, and the first shell 33 and the parts connected therewith move synchronously with the first electric sliding block 32, so that the heating block 37 is located at the heat sealing position of the packaging bag. Then, the fifth electric push rod 41 is controlled to move the two U-shaped seats 42 towards each other, and the air bag 43 moves synchronously with the corresponding U-shaped seat 42, and then the air bag 43 contacts and presses the upper end of the packaging bag, so as to close the bag opening of the packaging bag. During the pressing process of the bag opening of the packaging bag, since the connecting rods 5 and the air suction pipe 6 are located in the packaging bag, the air bag 43 will be extruded by the connecting rods 5 and the air suction pipe 6 to be concave, and then under the action of the air bag 43, the connecting rods 5 and the air suction pipe 6 can be tightly attached to the packaging bag, so as to avoid air entering the packaging bag through the gap between the air suction pipe 6 and the packaging bag, so that there is still air in the packaging bag after vacuumizing, which will affect the storage of the product in the packaging bag.

[0037] It should be noted that, during the synchronous downward movement of the second shell 53 and the parts connected therewith and the second electric sliding block 52, since the first strong magnet 73 and the second strong magnet 76 have strong magnetic attraction, when the first strong magnet 73 passes through the second strong magnet 76, under the action of the magnetic attraction, the first strong magnet 73 will not move downward, and the fixing rod 72, the elastic member 74, the elliptical cone 7 and the elastic sheet 8 will also not move downward. With the downward movement of the air suction pipe 6 and the connecting plate 71, the elastic member 74 will be stretched, and the elastic sheet 8 will also be deformed, so that the elastic sheet 8 is deformed into a C-shaped shape, and the lower end of the air suction pipe 6 is located in the elliptical cone 7. Then, the external pump machine is controlled to vacuumize the packaging bag through the hose and the air suction pipe 6. During this process, the air in the packaging bag enters the air suction pipe 6 through the channel formed between the air suction pipe 6 and the elliptical cone 7, so that under the action of the elliptical cone 7, the air suction pipe 6 can avoid being straightly sucked downward during vacuumizing. This vacuumizing mode is easy to suck the powder in the packaging bag away when the powder product is used, so that the amount of powder in the packaging bag is reduced, which will affect the sales of the product, and the sucked powder will also block the air suction pipe 6.

[0038] Meanwhile, during the vacuumizing process of the packaging bag by the air exhaust pipe 6, the elastic sheet 8 after deformation will play a role of external expansion to the packaging bag, so as to avoid the packaging bag adhering between the air exhaust pipe 6 and the elliptical cone 7, thus resulting in poor air exhaust effect of the air exhaust pipe 6, incomplete air exhaust in the packaging bag, and then, after the vacuumizing of the packaging bag is completed, the second electric sliding rail 51 is controlled to move upward to reset the second electric sliding block 52, then the heating block 37 is controlled to work, then the fourth electric push rod 35 is controlled to move the two connecting seats 36 towards each other, the heating block 37 moves synchronously with the corresponding connecting seat 36, and then the heating block 37 will contact the heat sealing part of the packaging bag and heat-press the packaging bag, thus the heat sealing of the packaging bag is completed, after the heat sealing of the packaging bag is completed, the fourth electric push rod 35 is controlled to move the two connecting seats 36 away from each other to reset, and the fifth electric push rod 41 is controlled to move the two U-shaped seats 42 away from each other to reset, then the first electric sliding rail 31 is controlled to move upward to reset the first electric sliding block 32, and then the second conveying device 2 is controlled to continue moving left with the packaging bag until the packaging bag falls into the external collecting box to be collected.

[0039] The embodiments of the present application are described in detail above with reference to the drawings, but the present application is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present application.

Claims

1. A high efficiency air suction heat sealing machine, comprising a first conveying device (1), a second conveying device (2) and a machine box (3); the first conveying device (1) is provided with the second conveying device (2) on the left side; the second conveying device (2) is provided with the machine box (3) on the back side; characterized in that, The utility model also includes heat seal mechanism, moving mechanism, first electric push rod (4), connecting rod (5), pull mechanism, air pipe (6), elliptical cone (7) and elastic sheet (8), the front side of cabinet (3) is connected with heat seal mechanism for sealing bag, the front side of cabinet (3) is connected with moving mechanism in the middle, moving mechanism is connected with a plurality of first electric push rod (4), and each first electric push rod (4) is fixedly connected with a connecting rod (5) in the telescopic part, moving mechanism is connected with a plurality of air pipe (6) for vacuumizing bag in the middle, pull mechanism is arranged in air pipe (6), and pull mechanism is connected with cabinet (3), and each air pipe (6) is fixedly connected with a plurality of elastic sheet (8) in the lower part of outer ring surface, and all elastic sheet (8) one end of left side is fixedly connected with an elliptical cone (7) in common, and all elastic sheet (8) one end of right side is fixedly connected with another elliptical cone (7) in common, and elliptical cone (7) is connected with pull mechanism.

2. A high efficiency gas extraction heat sealing machine as claimed in claim 1 wherein, The utility model also includes bag opening mechanism, and bag opening mechanism is connected on the upper side of second conveying device (2), and bag opening mechanism includes second electric push rod (21), third electric push rod (22), fixed plate (23) and suction cup (24), and the upper side of second conveying device (2) is fixedly connected with a plurality of second electric push rod (21), and each second electric push rod (21) is installed with a third electric push rod (22) in the telescopic part, and each third electric push rod (22) is fixedly connected with a fixed plate (23) in the telescopic part, and each fixed plate (23) is installed with a plurality of suction cup (24).

3. A high efficiency gas extraction heat sealing machine as claimed in claim 2 wherein, The heat seal mechanism includes first electric sliding rail (31), first electric sliding block (32), first shell (33), support plate (34), fourth electric push rod (35), connecting seat (36) and heating block (37), and the front side of cabinet (3) is fixedly connected with a plurality of first electric sliding rail (31), and each first electric sliding rail (31) is slidably connected with a first electric sliding block (32), and the front side of all first electric sliding block (32) is fixedly connected with first shell (33), and the inner upper side of first shell (33) is fixedly connected with a plurality of support plate (34), and each support plate (34) is fixedly connected with a fourth electric push rod (35) in the lower part, and each fourth electric push rod (35) is fixedly connected with a connecting seat (36) in the telescopic part, and each connecting seat (36) is installed with a heating block (37) for heating bag heat seal place.

4. A high efficiency gas extraction heat sealing machine as claimed in claim 3 wherein, Each support plate (34) is connected with a pressing mechanism in the upper part, and the pressing mechanism includes fifth electric push rod (41), U-shaped seat (42) and air bag (43), and each support plate (34) is fixedly connected with a fifth electric push rod (41) in the upper part, and each fifth electric push rod (41) is fixedly connected with a U-shaped seat (42) in the telescopic part, and each U-shaped seat (42) is installed with an air bag (43) for pressing bag opening.

5. A high efficiency gas extraction heat sealing machine as claimed in any one of claims 1 to 4, wherein, The moving mechanism comprises a second electric sliding rail (51), a second electric sliding block (52) and a second shell (53); a plurality of second electric sliding rails (51) are fixedly connected to the middle part of the front side of the cabinet (3); one second electric sliding block (52) is slidably connected to each second electric sliding rail (51); all the second electric sliding blocks (52) are fixedly connected to the front side of the second shell (53) in common, and the second shell (53) is fixedly connected with the first electric push rod (4) and the air exhaust pipe (6).

6. A high efficiency gas extraction heat sealing machine as claimed in claim 5 wherein, The pulling mechanism comprises a connecting plate (71), a fixed rod (72), a first strong magnet (73), an elastic element (74), a T-shaped plate (75) and a second strong magnet (76); one connecting plate (71) is installed in each air exhaust pipe (6); one fixed rod (72) is slidably connected to each connecting plate (71), and the fixed rod (72) is fixedly connected with the elliptical cone (7); one first strong magnet (73) is installed on the upper part of the front side of each fixed rod (72); one elastic element (74) is fixedly connected to the upper part of the outer ring surface of each fixed rod (72), and one end of the elastic element (74) is fixedly connected with the connecting plate (71); the T-shaped plate (75) is fixedly connected to the upper part of the front side of the cabinet (3); one second strong magnet (76) is installed on the left side and the right side of the T-shaped plate (75), and the second strong magnet (76) cooperates with the first strong magnet (73).

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