Hot-pressing sealing device for degradable plastic bag

Abstract

The utility model relates to the technical field of plastic bag production, in particular to a hot-press sealing device for a degradable plastic bag, which not only can press and measure the plastic bag in the process of conveying the plastic bag forwards to prevent the plastic bag from deviating, but also can perform hot pressing on the upper side and the lower side of the plastic bag, freely adjust the pressure and ensure the sealing effect. Comprising a conveying mechanism; the device further comprises a hot-pressing mechanism, two driving mechanisms, a pressing mechanism and a storage mechanism, the hot-pressing mechanism is installed on the conveying mechanism and conducts hot-pressing sealing on the plastic bags, the two driving mechanisms are both installed on the hot-pressing mechanism and drive the hot-pressing mechanism to move, and the pressing mechanism is installed on the conveying mechanism and presses the plastic bags. And the storage mechanism is mounted on the conveying mechanism and used for storing the plastic bags.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic bag production, in particular to a kind of hot-pressing sealing device for degradable plastic bag. BACKGROUND

[0002] Biodegradable plastics refers to a kind of plastics that can be degraded under the action of microorganisms such as bacteria, molds and algae existing in nature, and can form harmless substances to the environment after degradation. Because of its good degradability, it is widely used to make plastic packaging film, plastic bags and disposable plastic tableware and other products.

[0003] The existing hot-pressing sealing device for plastic bags, such as the hot-pressing sealing device for degradable plastic bag disclosed in the utility model patent with application number 202322957031.3, mainly includes a hot-pressing contact plate, the hot-pressing contact plate is provided with sliding metal guide rails at both ends, the sliding metal guide rails are provided with sliding grooves inside, the hot-pressing contact plate moves up and down inside the sliding grooves, the sliding grooves are fixedly connected with heat dissipation stickers at the side ends, the heat dissipation stickers are made of copper-aluminum alloy structure; when in use, the degradable plastic bag to be hot-pressed and sealed is placed on the conveying belt, and is transported to the hot-pressing contact plate, the hydraulic telescopic rod and the heating power source are started, so that the hot-pressing contact plate is heated and moves downward inside the sliding metal guide rails to contact the degradable plastic bag, and the hot-pressing sealing is completed.

[0004] However, most of the existing sealing devices use a conveying belt to feed, and the plastic bags are light and easy to shift on the conveying belt, which affects the sealing effect. Moreover, most of the existing sealing devices are single-sided hot-pressing, and the sealing effect is poor, which is easy to cause loose sealing. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a hot-pressing sealing device for degradable plastic bag, which can not only press and measure the plastic bags during forward conveying to avoid deviation of the plastic bags, but also can hot-press the upper and lower sides of the plastic bags, freely adjust the pressure, and ensure the sealing effect.

[0006] The utility model discloses a kind of hot-pressing sealing devices for degradable plastic bags, including conveying mechanism;Still including hot-pressing mechanism, two groups of driving mechanisms, pressing mechanism and storage mechanism, hot-pressing mechanism is installed on conveying mechanism and carries out hot-pressing sealing to plastic bag, two groups of driving mechanisms are all installed on hot-pressing mechanism and drive hot-pressing mechanism to move, pressing mechanism is installed on conveying mechanism and carries out pressing to plastic bag, storage mechanism is installed on conveying mechanism and carries out storage to plastic bag;Conveying mechanism drives degradable plastic bag to stop after being conveyed to specified position, start two groups of driving mechanisms, two groups of driving mechanisms drive hot-pressing mechanism to be close to and carry out hot-pressing sealing to plastic bag, then pressing mechanism presses down plastic bag, conveying mechanism drives plastic bag to continue to be conveyed to storage mechanism and is stored in.

[0007] Preferably, the conveying mechanism includes a workbench, a control screen, a conveying roller, and a positioning roller. The bottom end of the workbench is connected to the ground, the control screen is installed on the workbench, the conveying roller is installed on the workbench, and the positioning roller is installed on the workbench above the conveying roller. The plastic bag is conveyed between the conveying roller and the positioning roller, the control screen is started, the control screen controls the rotation of the conveying roller, the conveying roller drives the plastic bag to be conveyed forward, and the positioning roller is arranged to prevent the plastic bag from deviating during the conveying process.

[0008] Preferably, the hot-pressing mechanism includes two positioning frames, two short rods, a first hot-pressing plate, two long rods, and a second hot-pressing plate. The bottom ends of the two positioning frames are connected to the top end of the workbench, the two short rods are respectively slidably installed in the two positioning frames, the first hot-pressing plate is installed on the two short rods, the two long rods are respectively slidably installed in the two positioning frames, and the second hot-pressing plate is installed on the two long rods. The driving mechanism drives the two short rods to be lifted and simultaneously drives the two long rods to be lowered, so that the first hot-pressing plate and the second hot-pressing plate are close to each other and simultaneously hot-pressing seal the two sides of the plastic bag.

[0009] Preferably, the driving mechanism includes a rotating shaft, an oval disc, an electric cylinder, two connecting rods, and two connecting heads. The rotating shaft is rotatably installed on the workbench, the oval disc is installed on the rotating shaft, two grooves are formed in the oval disc, the electric cylinder is rotatably installed on the workbench, the two connecting rods are respectively slidably installed in the two grooves of the oval disc, one of the connecting rods is connected to the bottom end of the electric cylinder, the two connecting heads are respectively connected to the bottom ends of the short rod and the long rod in the same positioning frame, and the two connecting rods are rotatably connected to the two connecting heads. The electric cylinder pushes the connecting rod to be lowered, the connecting rod drives the oval disc and the rotating shaft to rotate, so that the connecting head connected to the short rod and the connecting rod are lifted, and the connecting rod and the connecting head connected to the long rod are lowered.

[0010] Preferably, the pressing mechanism comprises two sets of air cylinders, two sets of positioning sliders, a supporting shaft, a pressing roller, two sets of sensors and two sets of springs, two sets of positioning grooves are formed in the workbench, the two sets of air cylinders are installed on the workbench, the two sets of positioning sliders are slidingly installed in the two sets of positioning grooves of the workbench and are connected with the top ends of the two sets of air cylinders respectively, the supporting shaft is rotatably installed between the two sets of positioning sliders, the pressing roller is installed on the supporting shaft, the two sets of sensors are installed on the supporting shaft, and the two sets of springs are installed in the two sets of positioning grooves respectively.

[0011] Preferably, the pressing roller is made of rubber material, so that the friction between the pressing roller and the plastic bag is increased, the plastic bag is prevented from being adhered to the first hot pressing plate and the second hot pressing plate and being difficult to be discharged, and the plastic bag is protected from being damaged during the pressing process.

[0012] Preferably, the storage mechanism comprises a guard plate, a storage box and a handle, the guard plate is installed on the workbench, the storage box is slidingly installed on the workbench, and the handle is installed on the storage box; the conveying roller conveys the plastic bag into the storage box, the guard plate is arranged to prevent the plastic bag from flying out, and when the storage box is full, a worker pulls the handle to pull out the storage box to package the plastic bag.

[0013] Compared with the prior art, the beneficial effects of the utility model are that: the conveying mechanism drives the degradable plastic bag to stop at the specified position, the two sets of driving mechanisms are started, the hot pressing mechanism is driven by the two sets of driving mechanisms to approach and heat-press and seal the plastic bag, then the pressing mechanism presses the plastic bag downward, and the conveying mechanism drives the plastic bag to continue conveying forward into the storage mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is the axonometric structural schematic view of the utility model;

[0015] Figure 2 is the axonometric structural schematic view of the conveying mechanism of the utility model;

[0016] Figure 3 is the partial enlarged sectional axonometric structural schematic view of the hot pressing mechanism and the driving mechanism of the utility model;

[0017] Figure 4 is the partial enlarged axonometric structural schematic view of the pressing mechanism of the utility model;

[0018] Figure 5 is partial enlarged axonometric structure schematic view of the storage mechanism.

[0019] Marked in the drawing: 01, conveying mechanism;11, workbench;12, control screen;13, conveying roller;14, positioning roller;02, hot pressing mechanism;21, positioning frame;22, short rod;23, first hot pressing plate;24, long rod;25, second hot pressing plate;03, driving mechanism;31, rotating shaft;32, oval disc;33, electric cylinder;34, connecting rod;35, connecting head;04, pressing mechanism;41, air cylinder;42, positioning sliding block;43, supporting shaft;44, pressing roller;45, sensor;46, spring;05, storage mechanism;51, guard plate;52, storage box;53, handle. DETAILED DESCRIPTION

[0020] In order to facilitate understanding of the present application, the present application will be described more fully below with reference to the related drawings. The present application can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. EMBODIMENT

[0021] The utility model discloses a kind of hot-pressing sealing devices for degradable plastic bags, including conveying mechanism 01;Still including hot-pressing mechanism 02, two groups of driving mechanism 03, pressing mechanism 04 and storage mechanism 05, hot-pressing mechanism 02 is installed on conveying mechanism 01 and carries out hot-pressing sealing to plastic bag, two groups of driving mechanism 03 are all installed on hot-pressing mechanism 02 and drive hot-pressing mechanism 02 to move, pressing mechanism 04 is installed on conveying mechanism 01 and carries out pressing to plastic bag, storage mechanism 05 is installed on conveying mechanism 01 and carries out storage to plastic bag;Conveying mechanism 01 includes workbench 11, control screen 12, conveying roller 13 and positioning roller 14, the bottom of workbench 11 is connected with ground, control screen 12 is installed on workbench 11, conveying roller 13 is installed on workbench 11, positioning roller 14 is installed on workbench 11 and located above conveying roller 13;Hot-pressing mechanism 02 includes two groups of positioning frame 21, two groups of short pole 22, first hot-pressing plate 23, two groups of long pole 24 and second hot-pressing plate 25, the bottom of two groups of positioning frame 21 is connected with the top of workbench 11, two groups of short pole 22 are slidably installed in two groups of positioning frame 21 respectively, first hot-pressing plate 23 is installed on two groups of short pole 22, two groups of long pole 24 are slidably installed in two groups of positioning frame 21 respectively, second hot-pressing plate 25 is installed on two groups of long pole 24;Driving mechanism 03 includes rotating shaft 31, oval disc 32, electric cylinder 33, two groups of connecting rods 34 and two groups of connecting heads 35, rotating shaft 31 is rotatably installed on workbench 11, oval disc 32 is installed on rotating shaft 31, two groups of recesses are opened on oval disc 32, electric cylinder 33 is rotatably installed on workbench 11, two groups of connecting rods 34 are slidably installed in two groups of recesses of oval disc 32 respectively, and one group of connecting rod 34 is connected with the bottom of electric cylinder 33, two groups of connecting heads 35 are connected with the bottom of short pole 22 and long pole 24 in the same group positioning frame 21 respectively, and are rotatably connected with two groups of connecting rods 34 respectively;When it works, first, plastic bag is conveyed between conveying roller 13 and positioning roller 14, control screen 12 is started, control screen 12 controls the rotation of conveying roller 13, conveying roller 13 drives plastic bag to convey forward, positioning roller 14 is arranged to avoid plastic bag to run off in the conveying process, connecting rod 34 is lowered by electric cylinder 33, connecting rod 34 drives oval disc 32 and rotating shaft 31 to rotate, so that connecting head 35 and connecting rod 34 connected with short pole 22 are lifted, and connecting rod 34 and connecting head 35 connected with long pole 24 are lowered, two groups of short pole 22 are lifted while driving two groups of long pole 24 to descend, so that first hot-pressing plate 23 and second hot-pressing plate 25 are close, and the two sides of plastic bag are hot-pressing sealed simultaneously, after sealing, pressing mechanism 04 presses plastic bag downward, conveying roller 13 drives plastic bag to continue conveying forward to storage mechanism 05 and stores. Embodiment

[0022] As Figures 1 to 5As shown, the utility model discloses a kind of hot-pressing sealing devices for degradable plastic bag, on the basis of embodiment 1;Pressing mechanism 04 includes two groups of air cylinders 41, two groups of positioning sliding blocks 42, support shaft 43, pressing roller 44, two groups of sensors 45 and two groups of springs 46, two groups of positioning grooves are opened on workbench 11, two groups of air cylinders 41 are all installed on workbench 11, two groups of positioning sliding blocks 42 are slidably installed in the two groups of positioning grooves of workbench 11 respectively and are connected with the top of two groups of air cylinders 41 respectively, support shaft 43 is rotatably installed between two groups of positioning sliding blocks 42, pressing roller 44 is installed on support shaft 43, two groups of sensors 45 are all installed on support shaft 43, and two groups of springs 46 are installed in two groups of positioning grooves respectively;It also includes that pressing roller 44 is of rubber material;Storage mechanism 05 includes guard plate 51, storage box 52 and handle 53, guard plate 51 is installed on workbench 11, storage box 52 is slidably installed on workbench 11, and handle 53 is installed on storage box 52;When it works, first, plastic bag is transported to between conveying roller 13 and positioning roller 14, starts control screen 12, control screen 12 controls the rotation of conveying roller 13, conveying roller 13 drives plastic bag to forward transport, avoids plastic bag from running off in the process of conveying by setting positioning roller 14, two groups of sensors 45 detect the position of plastic bag, avoid plastic bag from running off to influence sealing, and cylinder 33 drives connecting rod 34 to descend, and connecting rod 34 drives oval disc 32 and rotating shaft 31 to rotate, so that connecting head 35 connected with short rod 22 and connecting rod 34 are lifted, while connecting rod 34 and connecting head 35 connected with long rod 24 are lowered, two groups of short rod 22 are lifted while driving two groups of long rod 24 to descend, so that first hot-pressing plate 23 and second hot-pressing plate 25 are close, and the two sides of plastic bag are sealed by hot-pressing, after sealing, two groups of air cylinders 41 are started, and two groups of air cylinders 41 drive two groups of positioning sliding blocks 42 to descend, and two groups of positioning sliding blocks 42 drive support shaft 43 and pressing roller 44 to descend, so that pressing roller 44 is pressed to plastic bag, two groups of springs 46 are set to buffer two groups of positioning sliding blocks 42, avoid two groups of sensors 45 from being damaged by over-pressing, conveying roller 13 conveys plastic bag into storage box 52, avoids plastic bag from flying out by setting guard plate 51, when storage box 52 is full, staff pulls handle 53 to draw out storage box 52, and plastic bag is packed.

[0023] The above only is the preferred embodiment of the utility model, it should be pointed out, for ordinary technical personnel in the prior art, on the premise of not departing from the technical principle of the utility model, can make a number of improvements and variations, these improvements and variations also should be regarded as the protection range of the utility model.

Claims

1. A hot-press sealing device for degradable plastic bags, comprising a conveying mechanism (01); characterized in that, The heat pressing mechanism (02) is installed on the conveying mechanism (01) and performs heat sealing on the plastic bag, the two sets of driving mechanisms (03) are both installed on the heat pressing mechanism (02) and drive the heat pressing mechanism (02) to move, the pressing mechanism (04) is installed on the conveying mechanism (01) and performs pressing on the plastic bag, and the storage mechanism (05) is installed on the conveying mechanism (01) and stores the plastic bag.

2. A hot press sealing device for degradable plastic bags as claimed in claim 1, wherein, The conveying mechanism (01) comprises a workbench (11), a control screen (12), a conveying roller (13) and a positioning roller (14), the bottom end of the workbench (11) is connected with the ground, the control screen (12) is installed on the workbench (11), the conveying roller (13) is installed on the workbench (11), and the positioning roller (14) is installed on the workbench (11) and located above the conveying roller (13).

3. A hot press sealing device for degradable plastic bags as claimed in claim 2 wherein, The heat pressing mechanism (02) comprises two sets of positioning frames (21), two sets of short rods (22), a first heat pressing plate (23), two sets of long rods (24) and a second heat pressing plate (25), the bottom ends of the two sets of positioning frames (21) are connected with the top end of the workbench (11), the two sets of short rods (22) are respectively slidably installed in the two sets of positioning frames (21), the first heat pressing plate (23) is installed on the two sets of short rods (22), the two sets of long rods (24) are respectively slidably installed in the two sets of positioning frames (21), and the second heat pressing plate (25) is installed on the two sets of long rods (24).

4. A hot press sealing device for degradable plastic bags as claimed in claim 3 wherein, The driving mechanism (03) comprises a rotating shaft (31), an oval disc (32), an electric cylinder (33), two sets of connecting rods (34) and two sets of connecting heads (35), the rotating shaft (31) is rotatably installed on the workbench (11), the oval disc (32) is installed on the rotating shaft (31), two groups of grooves are formed in the oval disc (32), the electric cylinder (33) is rotatably installed on the workbench (11), the two sets of connecting rods (34) are respectively slidably installed in the two groups of grooves of the oval disc (32), and one of the two sets of connecting rods (34) is connected with the bottom end of the electric cylinder (33), the two sets of connecting heads (35) are respectively connected with the bottom ends of the short rods (22) and the long rods (24) in the same set of positioning frames (21) and are rotatably connected with the two sets of connecting rods (34) at the same time.

5. A hot press sealing device for degradable plastic bags as claimed in claim 2 wherein, The pressing mechanism (04) comprises two sets of air cylinders (41), two sets of positioning sliding blocks (42), a supporting shaft (43), a pressing roller (44), two sets of sensors (45) and two sets of springs (46), two sets of positioning grooves are formed in the workbench (11), the two sets of air cylinders (41) are both installed on the workbench (11), the two sets of positioning sliding blocks (42) are respectively slidably installed in the two sets of positioning grooves of the workbench (11) and are respectively connected with the top ends of the two sets of air cylinders (41), the supporting shaft (43) is rotatably installed between the two sets of positioning sliding blocks (42), the pressing roller (44) is installed on the supporting shaft (43), the two sets of sensors (45) are both installed on the supporting shaft (43), and the two sets of springs (46) are respectively installed in the two sets of positioning grooves.

6. A hot press sealing device for degradable plastic bags as claimed in claim 5 wherein, The pressing roller (44) is made of rubber.

7. A hot press sealing device for degradable plastic bags as claimed in claim 2 wherein, The storage mechanism (05) comprises a guard plate (51), a storage box (52) and a handle (53), the guard plate (51) is installed on the workbench (11), the storage box (52) is slidingly installed on the workbench (11), and the handle (53) is installed on the storage box (52).

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