Safe heat sealing device for plastic bag

Abstract

The utility model is applicable to the technical field of plastic bag processing, in particular to a safe heat sealing device for a plastic bag, which comprises a mounting table, and a fan mounting seat, a concave heat absorbing plate and a convex heat absorbing plate are mounted on the surface of the mounting table. According to the safe heat sealing device for the plastic bag, the fan, the concave surface heat absorbing plate, the convex surface heat absorbing plate, the pneumatic telescopic rod, the spray head and the liquid storage box are arranged, so that when the safe heat sealing device for the plastic bag works, an operator moves the heat sealing position of the plastic bag which is just subjected to heat sealing to the position between the concave surface heat absorbing plate and the convex surface heat absorbing plate; the heat sealing position of the plastic bag is clamped by the concave heat absorbing plate and the convex heat absorbing plate through pushing of the pneumatic telescopic rod, and heat on the heat sealing surface is rapidly absorbed by the concave heat absorbing plate and the convex heat absorbing plate at the moment. And after pressing is completed, the spray head swings left and right and is matched with the fan to cool the surfaces of the concave-surface heat absorption plate and the convex-surface heat absorption plate. Therefore, the safe heat sealing device for the plastic bag, provided by the utility model, can achieve the purpose of efficiently cooling the surface of the hot melting area so as to enhance the heat sealing firmness.

Description

TECHNICAL FIELD

[0001] The utility model relates to a safety heat sealing device for plastic bags. BACKGROUND

[0002] The safety heat sealing device for plastic bags is a device for sealing the opening or edge of a plastic bag by heating, aiming to ensure the safety and efficiency of the heat sealing process and guarantee the sealing quality of the plastic bag. Its main application scenarios include food packaging, daily necessities packaging, medicine packaging, electronic component packaging, etc.

[0003] The main components and corresponding functions of the safety heat sealing device for plastic bags are as follows: a heat sealing mechanism, generally composed of a heating element (such as a heating wire or a heating plate) and a pressure applying device, mainly used to generate heat to make the material of the plastic bag reach the melting point and fuse together, and the pressure applying device ensures the close adhesion of the plastic bag during the heat sealing process to guarantee the heat sealing effect; a temperature control system for accurately controlling the heat sealing temperature, usually containing a temperature sensor to monitor the temperature of the heating element in real time and feed back the information to the controller; a transmission device for conveying the plastic bag to accurately enter the heat sealing area and send it out after the heat sealing is completed; a control circuit responsible for coordinating the work of each area.

[0004] Currently, the safety heat sealing device for plastic bags on the market often has poor heat sealing effect and the bonded area is easy to separate, among which, the lack of cooling the heat sealing area in a short time is an important influencing factor. Therefore, the utility model provides a safety heat sealing device for plastic bags that can efficiently cool the surface of the heat sealing area to enhance the heat sealing firmness to solve the above technical problems. SUMMARY

[0005] The purpose of the utility model embodiment is to provide a safety heat sealing device for plastic bags to solve the technical problems mentioned in the background art.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] A kind of safety heat sealing device for plastic bag, including installation platform, and the surface of installation platform is equipped with fan mounting seat, concave heat-absorbing plate and convex heat-absorbing plate, the concave heat-absorbing plate and convex heat-absorbing plate are hollow structure, the surface of the concave heat-absorbing plate is equipped with several grooves, the surface of the convex heat-absorbing plate is provided with several convex, the surface of the fan mounting seat is equipped with fan, and the output end of fan is connected with air supply horizontal pipe, the surface of air supply horizontal pipe is connected with air supply vertical pipe A and air supply vertical pipe B, the surface of air supply vertical pipe A is connected with several air supply branch pipes A, the surface of air supply vertical pipe B is connected with several air supply branch pipes B, the surface of installation platform is equipped with telescopic rod mounting seat, and the surface of telescopic rod mounting seat is equipped with pneumatic telescopic rod, one end of pneumatic telescopic rod is equipped with push block;

[0008] The surface of the installation platform is equipped with liquid storage box base and electric rotating shaft, the surface of the electric rotating shaft is equipped with spray head, the surface of the liquid storage box base is loaded with liquid storage box, and the surface of the liquid storage box is connected with water delivery pipe A, the surface of water delivery pipe A is equipped with electromagnetic valve, and one end of water delivery pipe A is connected with water delivery pipe B, one end of water delivery pipe B is connected with spray head.

[0009] Further, the surface of the installation platform is provided with guide groove, one end of the convex heat-absorbing plate is equipped with sliding block, and the sliding block is embeddedly connected with the guide groove.

[0010] Further, the size specifications of the groove and the convex are consistent.

[0011] Further, the surface of the push block corresponds to the surface of the convex heat-absorbing plate.

[0012] Further, the several air supply branch pipes A are inserted into the concave heat-absorbing plate and connected with the several grooves, and the several air supply branch pipes B are inserted into the convex heat-absorbing plate and connected with the several convex.

[0013] Further, corrugated pipe is installed at the connection of water delivery pipe A and water delivery pipe B.

[0014] Further, the surface of the liquid storage box is provided with liquid supplementing port, and one end of water delivery pipe A inserted into the liquid storage box base is equipped with water suction horn.

[0015] The safety heat sealing device for plastic bag has the following beneficial effects:

[0016] By setting the fan, concave heat absorbing plate, convex heat absorbing plate, pneumatic telescopic rod, spray head and liquid storage box, when the safety heat sealing device for plastic bag works, the operator displaces the heat sealing part of the just heat sealed plastic bag between the concave heat absorbing plate and the convex heat absorbing plate, and the heat sealing part of the plastic bag is clamped by the two through the pushing of the pneumatic telescopic rod, at this time, the heat of the heat sealing surface is quickly absorbed by the concave heat absorbing plate and the convex heat absorbing plate. After pressing, the spray head swings left and right at the same time, and the fan is matched to cool the surface of the concave heat absorbing plate and the convex heat absorbing plate. Therefore, the safety heat sealing device for plastic bag can efficiently cool the surface of the heat sealing area, thereby enhancing the heat sealing firmness. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of a safety heat sealing device for plastic bag.

[0018] Figure 2 It is a front view of a safety heat sealing device for plastic bag.

[0019] Figure 3 It is a sectional view of a safety heat sealing device for plastic bag. Figure 1 It is a sectional view of a safety heat sealing device for plastic bag.

[0020] Figure 4 It is a sectional view of a safety heat sealing device for plastic bag.

[0021] In the figure: 1, mounting table; 2, fan mounting seat; 3, fan; 4, air supply horizontal pipe; 5, air supply vertical pipe A; 6, air supply branch pipe A; 7, concave heat absorbing plate; 8, convex heat absorbing plate; 9, groove; 10, convex surface; 11, air supply vertical pipe B; 12, air supply branch pipe B; 13, sliding block; 14, guide groove; 15, telescopic rod mounting seat; 16, pneumatic telescopic rod; 17, pushing block; 18, liquid storage box base; 19, liquid storage box; 20, electromagnetic valve; 21, water supply pipe A; 22, corrugated pipe; 23, water supply pipe B; 24, electric rotating shaft; 25, spray head. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail by combining with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0023] The specific implementation of the utility model will be described in detail in combination with specific examples.

[0024] As Figures 1-2As shown, the utility model discloses a kind of safety heat sealing devices for plastic bag, including installation platform 1, and the surface of installation platform 1 is equipped with fan mounting seat 2, concave heat absorption plate 7 and convex heat absorption plate 8. The above technical features are mature prior art, and the technical solution is not difficult to obtain or think of by the person skilled in the art. The person skilled in the art can make corresponding adjustment and selection based on the above technical solution.

[0025] As Figures 1-4 As shown in an embodiment of the utility model, the concave heat absorption plate 7 and the convex heat absorption plate 8 are both hollow structures, and the surfaces of both are equipped with heat-conducting metal plates or sprayed with heat-conducting metal coatings, so they have strong heat conductivity. The surface of the concave heat absorption plate 7 is provided with a plurality of grooves 9, and the surface of the convex heat absorption plate 8 is provided with a plurality of convex surfaces 10. The size specifications of the grooves 9 and the convex surfaces 10 are consistent. This design takes into account the need for a larger contact surface for cooling and heat sealing area. The use of extruded surfaces with concave and convex patterns can improve the cooling effect.

[0026] The surface of the fan mounting seat 2 is equipped with a fan 3, and the output end of the fan 3 is connected to a supply air horizontal pipe 4. The surface of the supply air horizontal pipe 4 is connected to a supply air vertical pipe A 5 and a supply air vertical pipe B 11. The surface of the supply air vertical pipe A 5 is connected to a plurality of supply air branch pipes A 6, and the surface of the supply air vertical pipe B 11 is connected to a plurality of supply air branch pipes B 12. Preferably, to ensure high efficiency of air supply, the type of air supply pipe can be a rubber hose with smooth inner walls. The plurality of supply air branch pipes A 6 are inserted into the concave heat absorption plate 7 and connected to the plurality of grooves 9, and the plurality of supply air branch pipes B 12 are inserted into the convex heat absorption plate 8 and connected to the plurality of convex surfaces 10. This design allows the concave and convex surfaces of the concave heat absorption plate 7 and the convex heat absorption plate 8 to be provided with air supply openings, and the air supply openings are directly opposite the opposite plate surfaces, thereby improving the cooling efficiency of air cooling.

[0027] The surface of the installation platform 1 is equipped with a telescopic rod mounting seat 15, and the surface of the telescopic rod mounting seat 15 is equipped with a pneumatic telescopic rod 16. One end of the pneumatic telescopic rod 16 is equipped with a push block 17, and the surface of the push block 17 corresponds to the surface of the convex heat absorption plate 8. Through the setting of the operator, the pneumatic telescopic rod 16 can indirectly push the convex heat absorption plate 8 to make regular extrusion movement with the concave heat absorption plate 7.

[0028] The surface of the mounting table 1 is provided with a liquid storage box base 18 and an electric rotating shaft 24, the surface of the electric rotating shaft 24 is provided with a spray head 25, and the electric rotating shaft 24 drives the spray head 25 to make reciprocating swing movement. The surface of the liquid storage box base 18 is provided with a liquid storage box 19, the inside of the liquid storage box 19 stores cooling liquid, and the cooling liquid sprayed on the surface of the heat conduction plate can be quickly volatilized and take away the heat on the surface. The surface of the liquid storage box 19 is connected with a water conveying pipe A 21, and the surface of the water conveying pipe A 21 is provided with an electromagnetic valve 20. One end of the water conveying pipe A 21 is connected with a water conveying pipe B 23, and one end of the water conveying pipe B 23 is connected with the spray head 25.

[0029] In the embodiment, the surface of the water conveying pipe A 21 is provided with the electromagnetic valve 20. The design is considered that the water conveying power is gravity drainage, in order to better control the water flow switch condition, the electromagnetic valve 20 is connected in a linkage mode, and the operator can remotely control the water conveying and the spraying action of the spray head 25.

[0030] In the embodiment, the connection part of the water conveying pipe A 21 and the water conveying pipe B 23 is provided with a corrugated pipe 22. The design considers that the spray head 25 swings and drives the water conveying pipe B 23, in order to make the water conveying pipe B 23 and the water conveying pipe A 21 always effectively connected, the corrugated pipe 22 is arranged at the connection part, so that the pipeline as a whole can withstand a certain range of pipeline deformation caused by the swing movement.

[0031] In the embodiment, the surface of the liquid storage box 19 is provided with a liquid supplementing opening, and one end of the water conveying pipe A 21 inserted into the liquid storage box base 19 is provided with a water suction horn. The design is to facilitate timely supplement of the cooling liquid in the liquid storage box 19, and the water suction horn can maximize the use of the liquid in the liquid storage box 19.

[0032] As shown in Figure 1 and Figure 2 In one embodiment of the utility model, the surface of the mounting table 1 is provided with a guide groove 14, one end of the convex heat absorption plate 8 is provided with a sliding block 13, and the sliding block 13 is connected with the guide groove 14 in a fitting mode. The design makes the whole convex heat absorption plate 8 make reciprocating sliding movement in the horizontal direction along the guide groove 14.

[0033] The working mode of the utility model is: when the safety heat sealing device for plastic bag works, the operator displaces the heat sealing position of the just heat sealed plastic bag between the concave heat absorbing plate 7 and the convex heat absorbing plate 8, and through the left and right pushing of the pushing block 17 driven by the pneumatic telescopic rod 16, the heat sealing position of the plastic bag is clamped by the concave heat absorbing plate 7 and the convex heat absorbing plate 8. By the heat conduction metal characteristics of the surface, the heat of the heat sealing surface is rapidly absorbed by the concave heat absorbing plate 7 and the convex heat absorbing plate 8. After pressing, the nozzle 25 swings left and right, and the cooling liquid is sprayed on the surface of the heat absorbing plate. At the same time, the work of the fan 13 makes the air supply holes on the surface of the concave groove 9 and the convex surface 10 air-cool the heat absorbing plate on the opposite side. Therefore, the surface heat conduction material of the concave heat absorbing plate 7 and the convex heat absorbing plate 8 is rapidly cooled, and the next extrusion heat absorbing cooling work can be efficiently carried out. Therefore, the safety heat sealing device for plastic bag can efficiently cool the surface of the heat sealing area and enhance the heat sealing firmness.

[0034] The above only is the preferred embodiment of the utility model, and does not use to limit the utility model, and any modification, equivalent replacement and improvement etc. made in the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A safety heat sealing device for plastic bags, comprising a mounting table (1), and the surface of the mounting table (1) is mounted with a fan mounting seat (2), a concave heat absorbing plate (7) and a convex heat absorbing plate (8), characterized in that, The concave heat-absorbing plate (7) and the convex heat-absorbing plate (8) are hollow structures, the surface of the concave heat-absorbing plate (7) is provided with a plurality of grooves (9), the surface of the convex heat-absorbing plate (8) is provided with a plurality of convex surfaces (10), the surface of the fan mounting base (2) is mounted with a fan (3), and the output end of the fan (3) is connected with a air supply horizontal pipe (4), the surface of the air supply horizontal pipe (4) is connected with an air supply vertical pipe A (5) and an air supply vertical pipe B (11), the surface of the air supply vertical pipe A (5) is connected with a plurality of air supply branch pipes A (6), the surface of the air supply vertical pipe B (11) is connected with a plurality of air supply branch pipes B (12), the surface of the mounting table (1) is mounted with a telescopic rod mounting base (15), and the surface of the telescopic rod mounting base (15) is mounted with a pneumatic telescopic rod (16), one end of the pneumatic telescopic rod (16) is mounted with a push block (17). The surface of the mounting table (1) is mounted with a liquid storage box base (18) and an electric rotating shaft (24), the surface of the electric rotating shaft (24) is mounted with a spray head (25), the surface of the liquid storage box base (18) is mounted with a liquid storage box (19), and the surface of the liquid storage box (19) is connected with a water supply pipe A (21), the surface of the water supply pipe A (21) is mounted with a solenoid valve (20), and one end of the water supply pipe A (21) is connected with a water supply pipe B (23), and one end of the water supply pipe B (23) is connected with the spray head (25).

2. A safety heat sealing device for plastic bags as claimed in claim 1, wherein The surface of the mounting table (1) is provided with a guide groove (14), one end of the convex heat-absorbing plate (8) is mounted with a sliding block (13), and the sliding block (13) is embeddedly connected with the guide groove (14).

3. A safety heat sealing device for plastic bags as claimed in claim 1 wherein, The size specifications of the grooves (9) and the convex surfaces (10) are consistent.

4. A safety heat sealing device for plastic bags as claimed in claim 1 wherein, The surface of the push block (17) corresponds to the surface of the convex heat-absorbing plate (8).

5. The safety heat sealing device for plastic bag according to claim 1, wherein A plurality of air supply branch pipes A (6) are inserted into the concave heat-absorbing plate (7) and connected with a plurality of grooves (9), and a plurality of air supply branch pipes B (12) are inserted into the convex heat-absorbing plate (8) and connected with a plurality of convex surfaces (10).

6. A safety heat sealing device for plastic bags as claimed in claim 1 wherein, A corrugated pipe (22) is mounted at the connection between the water supply pipe A (21) and the water supply pipe B (23).

7. A safety heat sealing device for plastic bags as claimed in claim 1 wherein, A liquid supplementing opening is formed in the surface of the liquid storage box (19), and a water suction horn is mounted at one end of the water supply pipe A (21) inserted into the liquid storage box (19).

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