Packaging bag opening and sealing device stable in lifting

Abstract

The utility model discloses a packaging bag opening and sealing device stable in lifting, which comprises a rack, a bag opening and sealing assembly and a lifting driving mechanism, the lifting driving mechanism comprises a lifting push rod and a lifting motor, and the lifting push rod is fixedly connected with the bag opening and sealing assembly; the bag opening and sealing assembly comprises a connecting frame, an upper moving seat, a lower moving seat and an opening and closing driving mechanism, an upper adsorption plate, a cutter and an upper heat-sealing pressing block are arranged on the upper moving seat, and a lower adsorption plate, a cutter seat and a lower heat-sealing pressing block are arranged on the lower moving seat. The packaging bag opening and sealing device stable in lifting has the advantages of being convenient and rapid in height adjustment, stable in operation and high in use flexibility, and the tissue packaging production efficiency can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to packing equipment technical field, concretely relates to a kind of packaging bag opening and sealing device of lifting stability. BACKGROUND

[0002] The paper towel packaging machine is mainly used for the bagging packaging of various specifications of soft paper towels. The paper towels are packaged by using a cylindrical film. The paper towels are pushed into the cylindrical film by a paper towel pushing device for bagging. Then, the packaged bag is sealed. However, the height of the opening and sealing device of the existing paper towel packaging machine cannot be adjusted. When different sizes of products need to be produced, the opening and sealing device needs to be disassembled and reassembled manually with the aid of tools for adjustment. The operation is complicated and time-consuming, which affects the production efficiency of the paper towel packaging machine and has certain limitations. SUMMARY

[0003] The utility model solves the technical problems of the prior art, provides an opening and sealing device of a packaging bag with lifting stability, which is convenient and fast to adjust the height, stable to operate, flexible to use, and can effectively improve the production efficiency of the paper towel packaging machine.

[0004] To solve the above technical problems, the utility model adopts the following technical solutions:

[0005] An opening and sealing device of a packaging bag with lifting stability includes a rack, an opening and sealing assembly arranged on the rack, and a lifting drive mechanism for driving the opening and sealing assembly to lift. The lifting drive mechanism includes a lifting push rod and a lifting motor for driving the lifting push rod to lift. The lifting push rod is fixedly connected to the opening and sealing assembly.

[0006] The opening and sealing assembly includes a connecting frame, an upper moving seat and a lower moving seat arranged in the connecting frame, and an opening and closing drive mechanism for driving the upper moving seat and the lower moving seat to move closer to or away from each other. The upper moving seat is provided with an upper suction plate, a cutter, and an upper heat sealing block. The lower moving seat is provided with a lower suction plate, a cutter seat, and a lower heat sealing block.

[0007] As a further improvement of the above technical solutions:

[0008] The upper moving seat is further provided with a first drive mechanism for driving the upper suction plate to lift and a second drive mechanism for driving the cutter to lift. The lower moving seat is further provided with a third drive mechanism for driving the lower suction plate to lift.

[0009] The rack comprises a top plate, a bottom plate and a guide slide rod, the connecting frame comprises an upper plate, a lower plate and a support rod, the upper plate and the lower plate are movably arranged on the guide slide rod, so that the bag opening and sealing assembly can be lifted along the guide slide rod, and the upper moving seat and the lower moving seat are movably arranged on the guide slide rod, so that the upper moving seat and the lower moving seat can be close to or away from each other along the guide slide rod.

[0010] The opening and closing driving mechanism comprises a driving motor, a first synchronous belt, a transmission shaft and a second synchronous belt arranged at two ends of the transmission shaft, the output end of the driving motor is connected with the transmission shaft in power through the first synchronous belt, the transmission shaft drives the second synchronous belt to rotate forward or reversely, the second synchronous belt has a front belt section and a rear belt section, the upper moving seat is fixedly connected with the front belt section, and the lower moving seat is fixedly connected with the rear belt section, and the upper moving seat and the lower moving seat are driven to be close to or away from each other through forward rotation or reverse rotation of the second synchronous belt.

[0011] The upper adsorption plate is provided with a first negative pressure port, the lower adsorption plate is provided with a second negative pressure port, the upper adsorption plate is connected with a negative pressure generator through the first negative pressure port, and the lower adsorption plate is connected with the negative pressure generator through the second negative pressure port.

[0012] The lower plate is provided with a platform, horizontal moving seats are arranged on the two sides of the platform respectively, the platform is further provided with a horizontal translation driving mechanism for driving the horizontal moving seats to be close to or away from each other, first side pressing plates and second side pressing plates are oppositely arranged on the horizontal moving seats, the horizontal moving seats are further provided with a fourth driving mechanism for driving the first side pressing plates to move reciprocally and a fifth driving mechanism for driving the second side pressing plates to move reciprocally.

[0013] The upper plate is provided with an upper pressing plate and a sixth driving mechanism for driving the upper pressing plate to lift.

[0014] The first driving mechanism, the second driving mechanism, the third driving mechanism, the fourth driving mechanism, the fifth driving mechanism and the sixth driving mechanism are all telescopic air cylinders.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The utility model discloses a packaging bag opening and sealing device of lifting stability includes frame, opening and sealing assembly and lifting drive mechanism, and lifting drive mechanism includes lifting push rod and lifting motor, and lifting push rod is fixedly connected with opening and sealing assembly, and through the lifting motor drive lifting push rod makes the lifting action, to adjust the height of opening and sealing assembly flexibly, satisfies the bagging demand of various different size specifications products, and opening and sealing assembly includes upper mobile seat and lower mobile seat, and upper mobile seat is provided with upper adsorption board, cutting knife and upper heat sealing pressure block, and lower mobile seat is provided with lower adsorption board, cutting knife seat and lower heat sealing pressure block, and through opening and closing drive mechanism makes upper adsorption board and lower adsorption board away from each other realizes automatic opening bag function, and upper heat sealing pressure block and lower heat sealing pressure block are close to each other and realize automatic heat sealing function, and cutting knife moves to cutting knife seat and realizes automatic cutting function, has the advantages of strong versatility, and high use flexibility, and height adjustment is convenient and fast, and runs stably, and the production efficiency is high, can effectively improve the production efficiency of paper towel package. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is structure schematic diagram of packaging bag opening and sealing device of the utility model.

[0018] Figure 2 It is split structure schematic diagram of frame and opening and sealing assembly.

[0019] Figure 3 It is split structure schematic diagram of connecting frame and upper mobile seat and lower mobile seat.

[0020] Figure 4 It is split structure schematic diagram of connecting frame and platform.

[0021] Figure 5 It is structure schematic diagram of another angle of platform.

[0022] Figure 6 It is structure schematic diagram of upper mobile seat and lower mobile seat.

[0023] Figure 7 It is structure schematic diagram of another angle of upper mobile seat and lower mobile seat.

[0024] LEGEND:

[0025] 1, rack; 101, top plate; 102, bottom plate; 103, guide slide rod; 2, bag opening and sealing assembly; 201, connecting frame; 2011, upper plate; 2012, lower plate; 2013, support rod; 2014, platform; 202, upper moving seat; 203, lower moving seat; 204, opening and closing driving mechanism; 3, lifting driving mechanism; 301, lifting push rod; 302, lifting motor; 4, upper suction plate; 401, first negative pressure port; 5, cutter; 6, upper heat sealing pressing block; 7, first driving mechanism; 8, second driving mechanism; 9, lower suction plate; 901, second negative pressure port; 10, cutter seat; 11, lower heat sealing pressing block; 12, third driving mechanism; 13, driving motor; 14, first synchronous belt; 15, transmission shaft; 16, second synchronous belt; 1601, front side belt section; 1602, rear side belt section; 17, horizontal moving seat; 18, translation driving mechanism; 19, first side pressing plate; 20, second side pressing plate; 21, fourth driving mechanism; 22, fifth driving mechanism; 23, upper pressing plate; 24, sixth driving mechanism. DETAILED DESCRIPTION

[0026] The utility model will be made further detailed explanation in combination with the drawings and specific embodiment.

[0027] As Figures 1 to 7As shown, the bag opening and sealing device of the present embodiment comprises a rack 1, a bag opening and sealing assembly 2 arranged on the rack 1, and a lifting driving mechanism 3 for driving the bag opening and sealing assembly 2 to lift, the lifting driving mechanism 3 comprises a lifting push rod 301 and a lifting motor 302 for driving the lifting push rod 301 to lift, the lifting push rod 301 is fixedly connected with the bag opening and sealing assembly 2; the bag opening and sealing assembly 2 comprises a connecting frame 201, an upper moving seat 202 and a lower moving seat 203 arranged in the connecting frame 201, and an opening and closing driving mechanism 204 for driving the upper moving seat 202 and the lower moving seat 203 to approach or move away from each other, the upper moving seat 202 is provided with an upper suction plate 4, a cutter 5 and an upper heat sealing block 6, the lower moving seat 203 is provided with a lower suction plate 9, a cutter seat 10 and a lower heat sealing block 11. The bag opening and sealing device comprises the rack 1, the bag opening and sealing assembly 2 and the lifting driving mechanism 3, the lifting driving mechanism 3 comprises the lifting push rod 301 and the lifting motor 302, the lifting push rod 301 is fixedly connected with the bag opening and sealing assembly 2, the lifting push rod 301 is driven by the lifting motor 302 to lift, so as to flexibly adjust the height of the bag opening and sealing assembly 2, meet the bagging needs of products of various sizes, and the bag opening and sealing assembly 2 comprises the upper moving seat 202 and the lower moving seat 203, the upper moving seat 202 is provided with the upper suction plate 4, the cutter 5 and the upper heat sealing block 6, the lower moving seat 203 is provided with the lower suction plate 9, the cutter seat 10 and the lower heat sealing block 11, the upper suction plate 4 and the lower suction plate 9 are driven by the opening and closing driving mechanism 204 to move away from each other, so as to realize the automatic bag opening function, the upper heat sealing block 6 and the lower heat sealing block 11 are driven by the opening and closing driving mechanism 204 to approach each other, so as to realize the automatic heat sealing function, the cutter 5 is driven to move into the cutter seat 10, so as to realize the automatic cutting function, has the advantages of high universality, high flexibility, high efficiency of production change, and high production efficiency.

[0028] Preferably, the upper moving seat 202 is further provided with a first driving mechanism 7 for driving the upper suction plate 4 to lift and a second driving mechanism 8 for driving the cutter 5 to lift, and the lower moving seat 203 is further provided with a third driving mechanism 12 for driving the lower suction plate 9 to lift, so as to conveniently adjust the bag opening and cutting processes of the packaging bag.

[0029] Preferably, the rack 1 comprises a top plate 101, a bottom plate 102 and a guide slide rod 103, the connecting frame 201 comprises an upper plate 2011, a lower plate 2012 and a support rod 2013, the upper plate 2011 and the lower plate 2012 are movably arranged on the guide slide rod 103, so that the bag opening and sealing assembly 2 can lift along the guide slide rod 103, and the upper moving seat 202 and the lower moving seat 203 are movably arranged on the guide slide rod 103, so that the upper moving seat 202 and the lower moving seat 203 can approach or move away from each other along the guide slide rod 103.

[0030] Preferably, the opening and closing driving mechanism 204 comprises a driving motor 13, a first synchronous belt 14, a transmission shaft 15, and a second synchronous belt 16 arranged at both ends of the transmission shaft 15. The output end of the driving motor 13 is power-connected with the transmission shaft 15 through the first synchronous belt 14. The transmission shaft 15 drives the second synchronous belt 16 to rotate forward or reversely. The second synchronous belt 16 has a front side belt segment 1601 and a rear side belt segment 1602. The upper moving seat 202 is fixedly connected with the front side belt segment 1601, and the lower moving seat 203 is fixedly connected with the rear side belt segment 1602. The upper moving seat 202 and the lower moving seat 203 are driven to approach or move away from each other by the forward rotation or reverse rotation of the second synchronous belt 16. In the embodiment, the upper moving seat 202 is fixedly connected with the front side belt segment 1601, and the lower moving seat 203 is fixedly connected with the rear side belt segment 1602. Since the moving directions of the front side belt segment 1601 and the rear side belt segment 1602 are opposite when the second synchronous belt 16 rotates, when the second synchronous belt 16 rotates forward, the front side belt segment 1601 drives the upper moving seat 202 to move downward, and at the same time, the rear side belt segment 1602 drives the lower moving seat 203 to move upward. The upper moving seat 202 and the lower moving seat 203 approach each other to complete the compression heat sealing and cutting process. When the second synchronous belt 16 reverses, the front side belt segment 1601 drives the upper moving seat 202 to move upward, and at the same time, the front side belt segment 1601 drives the upper moving seat 202 to move upward. The upper moving seat 202 and the lower moving seat 203 move away from each other to complete the bag opening process.

[0031] Preferably, the upper suction plate 4 is provided with a first negative pressure port 401, and the lower suction plate 9 is provided with a second negative pressure port 901. The upper suction plate 4 is connected with the negative pressure generator through the first negative pressure port 401, and the lower suction plate 9 is connected with the negative pressure generator through the second negative pressure port 901. The upper suction plate 4 can form suction on the upper surface of the drum film, and the lower suction plate 9 can form suction on the lower surface of the drum film. As the upper moving seat 202 and the lower moving seat 203 move away from each other, the bag opening process of the packaging bag is completed. Specifically, the lower suction plate 9 is also provided with a waste suction port. The drum film waste generated after the cutting process is discharged from the waste suction port, so as to avoid affecting the production quality of the subsequent packaging bag.

[0032] Preferably, the lower plate 2012 is provided with a platform 2014, and horizontal moving seats 17 are arranged on two sides of the platform 2014. The platform 2014 is further provided with a translation driving mechanism 18 for driving the horizontal moving seats 17 to move close to or away from each other. First side pressing plates 19 and second side pressing plates 20 are oppositely arranged on the horizontal moving seats 17. The horizontal moving seats 17 are further provided with a fourth driving mechanism 21 for driving the first side pressing plates 19 to move back and forth and a fifth driving mechanism 22 for driving the second side pressing plates 20 to move back and forth. In the embodiment, the first side pressing plates 19 are located at the front ends of the upper moving seat 202 and the lower moving seat 203, and the second side pressing plates 20 are located at the rear ends of the upper moving seat 202 and the lower moving seat 203. After the paper towel stack is loaded into the tube film, the translation driving mechanism 18 drives the horizontal moving seats 17 to move close to each other, and the first side pressing plates 19 on the two opposite sides move oppositely, so that the tube film at the front end of the heat sealing area is formed into a closing part. After the heat sealing and cutting process is completed, the front end of the next group of packaging bags is formed into a closing part. At the same time, the second side pressing plates 20 on the two opposite sides move oppositely, so that the tube film at the rear end of the heat sealing area is formed into a closing part. After the heat sealing and cutting process is completed, the rear end of the previous group of packaging bags is formed into a closing part. Specifically, the translation driving mechanism 18 includes a bidirectional screw and a rotary motor for driving the bidirectional screw to rotate. The two groups of horizontal moving seats 17 are connected to the bidirectional screw through nuts. The rotation of the bidirectional screw can drive the two groups of horizontal moving seats 17 to move close to or away from each other.

[0033] Preferably, the upper plate 2011 is provided with an upper pressing plate 23 and a sixth driving mechanism 24 for driving the upper pressing plate 23 to move up and down. In the embodiment, the upper pressing plate 23 is located at the rear ends of the upper moving seat 202 and the lower moving seat 203. After the paper towel stack is loaded into the tube film, the sixth driving mechanism 24 drives the upper pressing plate 23 to move downward and abut against the tube film and the paper towel stack, so as to avoid the paper towel stack in the tube film from falling down and causing heat sealing failure. After the heat sealing and cutting process is completed, the upper pressing plate 23 is reset upward to wait for the next group of tube films to be loaded into bags.

[0034] Preferably, the first driving mechanism 7, the second driving mechanism 8, the third driving mechanism 12, the fourth driving mechanism 21, the fifth driving mechanism 22 and the sixth driving mechanism 24 are all telescopic air cylinders, which have the advantages of compact structure, suitable for arrangement in a narrow environment, strong load capacity, low cost and convenient and fast maintenance. In other embodiments, the first driving mechanism 7, the second driving mechanism 8, the third driving mechanism 12, the fourth driving mechanism 21, the fifth driving mechanism 22 and the sixth driving mechanism 24 can also adopt components with back-and-forth moving function such as gear and rack transmission, oil cylinder and electric cylinder, which are not limited to the embodiment.

[0035] The above merely is preferred implementation manner of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments. For the person skilled in the art, the improvement and transformation obtained without departing from the technical concept of the present application should be considered as the protection scope of the present application.

Claims

1. A lifting and stabilizing packaging bag opening and sealing device, characterized in that, The utility model relates to a bag opening and sealing assembly, which comprises a rack (1), a bag opening and sealing assembly (2) arranged on the rack (1), and a lifting driving mechanism (3) for driving the bag opening and sealing assembly (2) to lift, wherein the lifting driving mechanism (3) comprises a lifting push rod (301) and a lifting motor (302), and the lifting push rod (301) is fixedly connected with the bag opening and sealing assembly (2). The bag opening and sealing assembly (2) comprises a connecting frame (201), an upper moving seat (202) and a lower moving seat (203) arranged in the connecting frame (201), and an opening and closing driving mechanism (204) for driving the upper moving seat (202) and the lower moving seat (203) to move close to or away from each other, wherein the upper moving seat (202) is provided with an upper adsorption plate (4), a cutter (5), and an upper heat sealing pressing block (6), and the lower moving seat (203) is provided with a lower adsorption plate (9), a cutter seat (10), and a lower heat sealing pressing block (11).

2. The lift-stable package opening and reclosing device of claim 1, wherein The upper moving seat (202) is further provided with a first driving mechanism (7) for driving the upper adsorption plate (4) to lift and a second driving mechanism (8) for driving the cutter (5) to lift, and the lower moving seat (203) is further provided with a third driving mechanism (12) for driving the lower adsorption plate (9) to lift.

3. The lift-stable package opening and reclosing device of claim 2, wherein, The rack (1) comprises a top plate (101), a bottom plate (102), and a guide slide rod (103), the connecting frame (201) comprises an upper plate (2011), a lower plate (2012), and a support rod (2013), the upper plate (2011) and the lower plate (2012) are movably arranged on the guide slide rod (103), so that the bag opening and sealing assembly (2) can lift along the guide slide rod (103), and the upper moving seat (202) and the lower moving seat (203) are movably arranged on the guide slide rod (103), so that the upper moving seat (202) and the lower moving seat (203) can move close to or away from each other along the guide slide rod (103).

4. The lift-stable package opening and reclosing device of claim 3, wherein, The opening and closing driving mechanism (204) comprises a driving motor (13), a first synchronous belt (14), a transmission shaft (15), and a second synchronous belt (16) arranged at two ends of the transmission shaft (15), the output end of the driving motor (13) is power-connected with the transmission shaft (15) through the first synchronous belt (14), the transmission shaft (15) drives the second synchronous belt (16) to rotate forward or reversely, the second synchronous belt (16) has a front belt section (1601) and a rear belt section (1602), the upper moving seat (202) is fixedly connected with the front belt section (1601), the lower moving seat (203) is fixedly connected with the rear belt section (1602), and the upper moving seat (202) and the lower moving seat (203) are driven to move close to or away from each other through the forward rotation or reverse rotation of the second synchronous belt (16).

5. The lift-stable package opening and reclosing device of claim 4, wherein, The upper adsorption plate (4) is provided with a first negative pressure port (401), and the lower adsorption plate (9) is provided with a second negative pressure port (901); the upper adsorption plate (4) is connected with a negative pressure generator through the first negative pressure port (401), and the lower adsorption plate (9) is connected with the negative pressure generator through the second negative pressure port (901).

6. The lift-stable package opening and reclosing device of claim 5, wherein, The lower plate (2012) is provided with a platform (2014), and the platform (2014) is provided with horizontal moving seats (17) on both sides; the platform (2014) is further provided with a translation driving mechanism (18) for driving the horizontal moving seats (17) to move close to or away from each other; the horizontal moving seats (17) are oppositely provided with first side pressing plates (19) and second side pressing plates (20); the horizontal moving seats (17) are further provided with a fourth driving mechanism (21) for driving the first side pressing plates (19) to move back and forth and a fifth driving mechanism (22) for driving the second side pressing plates (20) to move back and forth.

7. The lift-stable package opening and reclosing device of claim 6, wherein, The upper plate (2011) is provided with an upper pressing plate (23) and a sixth driving mechanism (24) for driving the upper pressing plate (23) to move up and down.

8. The lift-stable package opening and reclosing device of claim 7, wherein, The first driving mechanism (7), the second driving mechanism (8), the third driving mechanism (12), the fourth driving mechanism (21), the fifth driving mechanism (22) and the sixth driving mechanism (24) are all telescopic air cylinders.

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