Packaging machine center cover panel cooling device

Abstract

The utility model discloses a center sealing panel cooling device of packing machine, including cooling chamber, one cooling chamber is connected with the bottom of one center sealing panel, and cooling chamber is equipped with 2 air inlets and an air outlet, and cooling chamber is connected with two air inlet pipes no.

Description

Technical Field

[0001] This utility model relates to the field of packaging machine technology, specifically a cooling device for the center sealing panel of a packaging machine. Background Technology

[0002] The core function of the center sealing plate in a packaging machine is to provide precise guidance, support, and pre-forming in the critical transition zone where the film engages with the heat sealing rollers. This ensures the packaging film enters smoothly, wrinkle-free, and accurately aligned between the rotating heat sealing roller teeth, thus achieving a high-quality center seal. To achieve effective heat sealing, the heat sealing rollers operate at temperatures between 120°C and 280°C. Due to heat conduction and radiation, the temperature of the center sealing plate, which is closely adjacent to or even in contact with the heat sealing rollers, will be very high (typically only 20-50°C lower than the set temperature of the heat sealing rollers). This high-temperature environment mainly brings the following disadvantages:

[0003] 1. Risk of burns

[0004] Direct contact: When debugging machines, clearing jammed materials, changing products, or performing routine maintenance, operators' hands or tools can easily come into contact with the high-temperature panel unintentionally, causing severe burns. This is the most direct and common safety hazard.

[0005] 2. Increased operational difficulty and maintenance risks

[0006] Cleaning difficulties: When the film melts and adheres to the panel due to excessive temperature or material problems ("material buildup"), the cleaning work is extremely dangerous and difficult due to the high temperature and sensitive location of the panel. It requires stopping the machine for cooling or using special tools, impacting production efficiency.

[0007] Inconvenient debugging: When adjusting panel gaps or alignment, high temperatures make close observation and fine adjustments difficult, which may affect debugging accuracy and efficiency.

[0008] 3. Changes in the properties of packaging materials

[0009] If the film is exposed to the high temperature of the panel for a long time when it enters the formal heat sealing wheel pressing area, it may pre-shrink, resulting in irregular packaging bag formation and wrinkling.

[0010] Before the film enters the bag maker, the online printer has already printed the content to be printed on the film. In a short time, the ink of the printed content has not been fully cured and is easily affected by the high temperature of the center sealing panel, which causes the ink to soften and stick together, resulting in scratches, missing words and pictures, and affecting the standardization of packaging labeling. Utility Model Content

[0011] This utility model discloses a cooling device for the center sealing panel of a packaging machine, which efficiently cools the center sealing panel to ensure the integrity of the packaging bag and the labeling of the packaged product.

[0012] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0013] This utility model discloses a cooling device for the center sealing panel of a packaging machine, including a cooling chamber. The cooling chamber is connected to the bottom of a center sealing panel. The cooling chamber has two air inlets and one air outlet. The cooling chamber is connected to two air inlet pipes and one air outlet. The other end of the two air inlet pipes is connected to a three-way connector. The other end of the three-way connector is connected to an air inlet pipe. The air inlet pipe is connected to a vortex tube. The vortex tube is connected to the air outlet pipe and the air inlet pipe. The air inlet pipe is connected to an air inlet pressure regulating valve.

[0014] Furthermore, there are two cooling chambers, with intake pipe three connected to a tee connector, and the tee connector connected to the intake pressure regulating valve via intake pipe four.

[0015] Furthermore, the cooling chamber includes a cooling frame and a cooling base plate. The cooling base plate is installed at the bottom of the cooling frame, and the upper end of the cooling frame is connected to the bottom of the central sealing panel. The cooling base plate is provided with two air inlets and one air outlet.

[0016] Furthermore, the cooling frame includes two longitudinal beams and two transverse beams, with the two longitudinal beams connected to the two transverse beams at both ends. A guide rib is installed in the middle of one of the longitudinal beams, and the length of the guide rib is less than the length of the transverse beam.

[0017] Furthermore, the tee connector connecting to intake pipe one is connected to the center sealing panel via fasteners.

[0018] Furthermore, silencers are installed at the ends of exhaust pipe one and exhaust pipe two.

[0019] Furthermore, the cooling chamber is connected to the central sealing panel by welding, and the central sealing panel is made of stainless steel.

[0020] The beneficial effects of this utility model are:

[0021] This utility model has a significant cooling effect, strong structural adaptability, requires no modification to the main body of the packaging machine, is easy to install, has low maintenance costs, and is compatible with heat transfer printing packaging equipment; it balances energy consumption and efficiency, requiring only compressed air drive, without additional refrigeration equipment, resulting in low energy consumption and no impact on production efficiency; it has wide scene compatibility, effective at pressures from 1 to 4 atmospheres, meeting the needs of food, daily necessities and other industries with different production capacities and printing requirements. Attached Figure Description

[0022] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0023] Figure 1 This is a schematic diagram of an embodiment of the present invention.

[0024] Figure 2 This is a schematic diagram from another perspective of an embodiment of the present invention. Detailed Implementation

[0025] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0026] As shown in the figure, this utility model discloses a cooling device for the center sealing panel of a packaging machine, including a cooling chamber 1. The cooling chamber 1 is connected to the bottom of a center sealing panel 2. The cooling chamber 1 has two air inlets 3 and one air outlet 4. The cooling chamber 1 is connected to two air inlet pipes 5 and one air outlet pipe 6. The other end of the two air inlet pipes 5 is connected to a three-way connector 7. The other end of the three-way connector 7 is connected to an air inlet pipe 8. The air inlet pipe 8 is connected to a vortex pipe 9. The vortex pipe 9 is connected to an air outlet pipe 10 and an air inlet pipe 11. The air inlet pipe 11 is connected to an air pressure regulating valve 12. The air pressure regulating valve 12 is connected to an air compressor or an air source. The center sealing wheel 18 is located at the lower end of the center sealing panel 2.

[0027] During operation, compressed air enters through the intake pressure regulating valve 12, and is transported from the intake pipe 11 to the vortex pipe 9. The cooler air enters the two intake pipes 5 through the intake pipe 8, and then enters the cooling chamber 1, while the slightly warmer air is discharged through the exhaust pipe 10. The cooler air in the cooling chamber 1 cools the center sealing panel 2. Then, the remaining air is discharged through the exhaust pipe 6 located at the exhaust port 4, thus achieving cyclic cooling and temperature reduction of the center sealing panel 2.

[0028] This invention uses the intake pressure regulating valve 12 to adjust the compressed air pressure (1-4 standard atmospheres) and flow rate, thereby stabilizing the temperature of the center sealing panel to the target range.

[0029] After testing, this utility model has shown significant cooling effect, reducing the temperature of the 200℃ center sealing panel to 31.1℃ within 3 minutes under 4 atmospheres of pressure; the heat transfer font qualification rate of online printers at 3 atmospheres or above is 100%, completely solving the damage problem.

[0030] In one embodiment of this utility model, there are two cooling chambers 1. An air inlet pipe 3 11 is connected to a three-way connector 7, and the three-way connector 7 is connected to an air inlet pressure regulating valve 12 via an air inlet pipe 4 13. Through the three-way connector 7, one air inlet pressure regulating valve 12 can supply gas to both cooling chambers 1.

[0031] In one embodiment of this utility model, the cooling chamber 1 includes a cooling frame 14 and a cooling base plate 15. The cooling base plate 15 is installed at the bottom of the cooling frame 14, and the upper end of the cooling frame 15 is connected to the bottom of the central sealing panel 2. The cooling base plate 15 is provided with two air inlets 3 and one air outlet 4. The cooling frame 14 serves as a mounting element, and air enters from the cooling base plate 15 and then exits from the cooling base plate 15.

[0032] In one embodiment of this utility model, the cooling frame 14 includes two longitudinal beams 141 and two transverse beams 142. The two longitudinal beams 141 are connected to both ends of the two transverse beams 142. A guide rib 143 is installed in the middle of one of the longitudinal beams 141, and the length of the guide rib 143 is less than the length of the transverse beam 142. The function of the guide rib 143 is to allow the gas to diffuse within the cooling chamber 1, thereby increasing the cooling area.

[0033] In one embodiment of this utility model, the tee connector connecting the intake pipe is connected to the center sealing panel 2 via fastener 16. This prevents the intake pipe from sagging due to gravity.

[0034] In one embodiment of this utility model, a silencer 17 is installed at the end of the first exhaust pipe 5 and the second exhaust pipe 10. The silencer 17 is used to reduce the decibel level of the sound when the exhaust gas is discharged.

[0035] In one embodiment of this utility model, the cooling chamber 1 and the central sealing panel 2 are connected by welding, and the material of the central sealing panel 2 is stainless steel.

[0036] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A cooling device for the center sealing panel of a packaging machine, characterized in that, It includes a cooling chamber, one cooling chamber is connected to the bottom of a central sealing panel, the cooling chamber has two air inlets and one air outlet, the cooling chamber is connected to two air inlet pipes and one air outlet pipe, the other end of the two air inlet pipes is connected to a tee connector, the other end of the tee connector is connected to an air inlet pipe, the air inlet pipe is connected to a vortex pipe, the vortex pipe is connected to an air outlet pipe and an air inlet pipe, and the air inlet pipe is connected to an air intake pressure regulating valve.

2. The packaging machine center sealing panel cooling device according to claim 1, characterized in that, There are two cooling chambers. The intake pipe three is connected to the tee connector, and the tee connector is connected to the intake pressure regulating valve through the intake pipe four.

3. The packaging machine center sealing panel cooling device according to claim 1, characterized in that, The cooling chamber includes a cooling frame and a cooling base plate. The cooling base plate is installed at the bottom of the cooling frame, and the upper end of the cooling frame is connected to the bottom of the central sealing panel. The cooling base plate has two air inlets and one air outlet.

4. The packaging machine center sealing panel cooling device according to claim 3, characterized in that, The cooling frame includes two longitudinal beams and two transverse beams. The two longitudinal beams are connected to the two transverse beams at both ends. A guide rib is installed in the middle of one of the longitudinal beams. The length of the guide rib is less than the length of the transverse beam.

5. The packaging machine center sealing panel cooling device according to claim 1, characterized in that, The tee connector for the intake pipe is connected to the center sealing panel via fasteners.

6. The packaging machine center sealing panel cooling device according to claim 1, characterized in that, Silencers are installed at the ends of exhaust pipe one and exhaust pipe two.

7. The packaging machine center sealing panel cooling device according to claim 1, characterized in that, The cooling chamber is connected to the central sealing panel by welding, and the central sealing panel is made of stainless steel.

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