Efficient heat conduction device for sealing machine

Abstract

The utility model discloses an efficient heat conduction device for a sealing machine, which belongs to the technical field of sealing machines and is characterized by comprising a base, a supporting seat is fixedly connected to the top of the base, a U-shaped frame is fixedly connected to the front side of the supporting seat, and a heat conduction assembly is arranged in the U-shaped frame. By arranging the heat conduction assembly, the air heater can convey hot air into the auxiliary heating cavity through the corrugated guide pipe, the hot air can flow through the surface of the heating plate after being sprayed out of the heat outlet holes, hot air circulation is formed, convective heat transfer is enhanced, and heat is more rapidly and evenly transferred to the sealing position of a packaging bag; compared with a traditional single heating mode, the heat conduction efficiency can be greatly improved, the sealing time can be remarkably shortened, the cleaning assembly is arranged, the cleaning plate can be tightly attached to the surface of the heating plate, therefore, plastic slag in the arc-shaped area of the heating plate is effectively removed, manual cleaning or shutdown for dismounting of the heating part is not needed, and then the packaging efficiency is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of sealing machine technology, and in particular to a high-efficiency heat conduction device for sealing machines. Background Technology

[0002] A sealing machine is a device used to seal the opening of a packaging container. It is widely used in many industries such as food, medicine, daily chemicals, and electronics. Its core function is to ensure the airtightness of the contents of the package, extend the shelf life of the product, and facilitate storage and transportation.

[0003] As a key piece of equipment for sealing products, the performance of the heat transfer device in a sealing machine directly affects packaging quality and production efficiency. Existing sealing machines typically use a single heating method, such as direct contact heating with an electric heating plate. This results in problems such as low heat utilization and uneven temperature distribution, which can easily lead to localized overheating or insecure sealing, thereby reducing the airtightness of the packaging. Furthermore, during long-term use, impurities such as molten plastic residue can easily remain on the surface of the heating plate. These impurities not only affect heat transfer efficiency but may also cause localized overheating due to scale buildup, thus shortening the lifespan of the heating plate. Cleaning residual impurities often requires stopping the machine and disassembling the heating components, which is cumbersome and time-consuming, seriously affecting packaging efficiency.

[0004] Therefore, a high-efficiency heat transfer device for sealing machines is proposed. Utility Model Content

[0005] The purpose of this invention is to provide a high-efficiency heat transfer device for sealing machines, which solves the problems of existing sealing machines' heat transfer devices, which typically use a single heating method, such as direct contact heating with an electric heating plate. These methods result in low heat utilization and uneven temperature distribution, which can easily lead to local overheating or poor sealing, thereby reducing the airtightness of the packaging. Furthermore, during long-term use, impurities such as molten plastic residue can easily remain on the surface of the heating plate. These impurities not only affect the heat transfer efficiency but may also cause local overheating due to scale buildup, thus shortening the service life of the heating plate. Cleaning residual impurities often requires stopping the machine and disassembling the heating components, which is cumbersome and time-consuming, seriously affecting packaging efficiency.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a high-efficiency heat conduction device for a sealing machine, comprising a base, a support seat fixedly connected to the top of the base, a U-shaped frame fixedly connected to the front side of the support seat, a heat conduction component disposed inside the U-shaped frame, and a cleaning component disposed on the surface of the heat conduction component, the cleaning component comprising a collection box;

[0007] The heat conduction assembly includes an auxiliary heating cavity with an aerogel heat insulation coating on its surface. An installation through-hole is provided at the top of the auxiliary heating cavity. A heating plate is fixedly connected inside the installation through-hole, and the bottom end of the heating plate is arc-shaped. An electric heating element is installed inside the heating plate, and a connecting wire is fixedly connected to the connection end of the electric heating element. The auxiliary heating cavity is hollow, and temperature sensors are provided on both sides of its inner wall. Heat outlet holes are provided on the front and rear sides of the inner wall of the auxiliary heating cavity. A corrugated duct is fixedly connected to the rear side of the auxiliary heating cavity. The corrugated duct passes through a support base and is fixedly connected to a hot air blower.

[0008] Preferably, the collection box is located below the heating plate, and a cleaning plate is fixedly connected inside the collection box. The inner wall of the cleaning plate is arc-shaped and the cleaning plate is used in conjunction with the heating plate.

[0009] Preferably, the U-shaped frame has a placement hole on its right side, which is used in conjunction with the cleaning plate and the collection box.

[0010] Preferably, an L-shaped frame is fixedly connected to the right side of the U-shaped frame, and an electric push rod is fixedly connected to the inner side of the L-shaped frame. The telescopic end of the electric push rod is fixedly connected to the right side of the collection box.

[0011] Preferably, T-shaped grooves are provided on both sides of the inner wall of the U-shaped frame, and T-shaped blocks are slidably connected inside the T-shaped grooves, with the side of the T-shaped blocks closest to the auxiliary heating cavity being fixedly connected to the auxiliary heating cavity.

[0012] Preferably, control cylinders are fixedly connected to both sides of the top of the U-shaped frame, and the telescopic ends of the control cylinders pass through the T-shaped groove and are fixedly connected to the top of the T-shaped block.

[0013] Preferably, a placement plate is fixedly connected to the front side of the support base, and the placement plate is located below the U-shaped frame and is used in conjunction with the heating plate.

[0014] Preferably, a PLC controller is fixedly installed on the right side of the support base, and the heating plate, hot air blower, electric push rod and control cylinder are all electrically connected to the PLC controller.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. By setting up a heat conduction component, the hot air blower can deliver hot air into the auxiliary heating chamber through a corrugated duct. The hot air will be sprayed out from the heat outlet and flow over the surface of the heating plate to form a hot air circulation, which enhances convective heat transfer and makes the heat transfer to the sealing point of the packaging bag more quickly and evenly. Compared with the traditional single heating method, it can greatly improve the heat conduction efficiency and significantly shorten the sealing time.

[0017] 2. By setting up a cleaning component, the cleaning plate can closely fit the surface of the heating plate, thereby effectively removing plastic slag in the arc area of ​​the heating plate. It can also automatically scrape off residual plastic slag during the sealing operation interval, eliminating the need for manual cleaning or stopping the machine to disassemble the heating components, thus greatly improving packaging efficiency. Attached Figure Description

[0018] Figure 1 This is an overall structural diagram of the high-efficiency heat conduction device for sealing machines according to this utility model;

[0019] Figure 2 This is a schematic diagram showing the usage state of the cleaning component of this utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the heat conduction component of this utility model;

[0021] Figure 4 This is a schematic diagram of the cleaning component of this utility model;

[0022] Figure 5 This utility model Figure 2 Enlarged diagram of point A in the middle.

[0023] In the diagram, 1. Base; 2. Support base; 3. U-shaped frame; 4. Heat conduction assembly; 401. Auxiliary heating chamber; 402. Mounting through hole; 403. Heating plate; 404. Heat outlet hole; 405. Corrugated duct; 406. Hot air blower; 5. Cleaning assembly; 501. Collection box; 502. Cleaning plate; 503. L-shaped frame; 504. Electric push rod; 6. Connecting wire; 7. Temperature sensor; 8. Placement hole; 9. T-slot; 10. T-block; 11. Control cylinder; 12. Placement plate; 13. PLC controller. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-5 The present invention provides the following technical solution:

[0026] A high-efficiency heat conduction device for a sealing machine includes a base 1, a support 2 fixedly connected to the top of the base 1, a U-shaped frame 3 fixedly connected to the front side of the support 2, a heat conduction component 4 disposed inside the U-shaped frame 3, and a cleaning component 5 disposed on the surface of the heat conduction component 4, the cleaning component 5 including a collection box 501.

[0027] The heat conduction component 4 includes an auxiliary heating cavity 401, the surface of which is coated with an aerogel heat insulation coating. The top of the auxiliary heating cavity 401 has a mounting through hole 402. A heating plate 403 is fixedly connected inside the mounting through hole 402, and the bottom end of the heating plate 403 is arc-shaped. An electric heating element is installed inside the heating plate 403, and a connecting wire 6 is fixedly connected to the connecting end of the electric heating element. The interior of the auxiliary heating cavity 401 is hollow, and temperature sensors 7 are installed on both sides of the inner wall of the auxiliary heating cavity 401. Heat outlet holes 404 are opened on the front and rear sides of the inner wall of the auxiliary heating cavity 401. A corrugated duct 405 is fixedly connected to the rear side of the auxiliary heating cavity 401. The corrugated duct 405 passes through the support base 2 and is fixedly connected to a hot air blower 406.

[0028] In this embodiment: by setting the heat conduction component 4, the auxiliary heating cavity 401 serves as a channel for hot air circulation and a heat insulation barrier. A hot air flow space can be formed inside it, allowing for uniform heat distribution. The aerogel coating on its surface reduces heat loss and improves heat utilization. The heat outlet 404 forms a convection channel to ensure hot air coverage heating. The heating plate 403 directly provides the high-temperature heat source required for sealing. Its arc-shaped bottom design is suitable for various packaging bags. The electric heating element converts electrical energy into heat energy, enabling the heating plate 403 to seal the packaging bag. The connecting line 6 provides an electrical energy transmission channel for the electric heating element. The hot air blower 406 provides a forced convection heat source, enhancing heat conduction efficiency. The conduit connects the hot air blower 406 and the auxiliary heating cavity 401, guiding the hot air generated by the hot air blower 406 into the auxiliary heating cavity 401, ensuring smooth hot air delivery.

[0029] Specifically, such as Figure 4 As shown, the collection box 501 is located below the heating plate 403. A cleaning plate 502 is fixedly connected inside the collection box 501. The inner wall of the cleaning plate 502 is arc-shaped and the cleaning plate 502 works in conjunction with the heating plate 403.

[0030] Specifically, such as Figure 2 , Figure 4 As shown, a placement hole 8 is provided on the right side of the U-shaped frame 3. The placement hole 8 is used in conjunction with the cleaning plate 502 and the collection box 501.

[0031] Specifically, such as Figure 2 , Figure 4 As shown, an L-shaped frame 503 is fixedly connected to the right side of the U-shaped frame 3, and an electric push rod 504 is fixedly connected to the inner side of the L-shaped frame 503. The telescopic end of the electric push rod 504 is fixedly connected to the right side of the collection box 501.

[0032] In this embodiment: With the above configuration, the collection box 501 is positioned below the heating plate 403 to collect impurities falling during the cleaning process, preventing them from falling directly into the equipment and keeping it clean. The cleaning plate 502 matches the arc-shaped bottom of the heating plate 403, effectively scraping away residues adhering to the surface of the heating plate 403 during its movement, preventing impurities from accumulating and affecting the heat transfer efficiency of the heating plate 403. The placement hole 8 matches the dimensions of the cleaning plate 502 and the collection box 501, providing an insertion U for the collection box 501 and the cleaning plate 502. The path inside the U-shaped frame 3 ensures accurate installation inside the U-shaped frame 3. The L-shaped frame 503 can provide support points for the electric push rod 504, ensuring its stable installation and uniform force. The telescopic end of the electric push rod 504 is fixedly connected to the right side of the collection box 501. The telescopic movement of the electric push rod 504 can drive the collection box 501 and the cleaning plate 502 to move horizontally, so that the cleaning plate 502 can stick to the surface of the heating plate 403 to scrape off the residue. No manual intervention is required. The cleaning component 5 can be automatically started during the sealing operation interval or within the set cycle, improving the overall operating efficiency and automation of the equipment.

[0033] Specifically, such as Figure 2 , Figure 5 As shown, T-shaped grooves 9 are provided on both sides of the inner wall of the U-shaped frame 3. T-shaped blocks 10 are slidably connected inside the T-shaped grooves 9, and the side of the T-shaped block 10 closest to the auxiliary heating cavity 401 is fixedly connected to the auxiliary heating cavity 401.

[0034] Specifically, such as Figure 2 , Figure 5 As shown, control cylinders 11 are fixedly connected to both sides of the top of the U-shaped frame 3. The telescopic end of the control cylinder 11 passes through the T-shaped groove 9 and is fixedly connected to the top of the T-shaped block 10.

[0035] In this embodiment: Through the above settings, the T-shaped groove 9 can provide a sliding track for the T-shaped block 10, thereby limiting the movement direction of the auxiliary heating cavity 401, ensuring that the heat conduction component 4 remains stable during the adjustment process, avoiding left and right deviation or shaking, and the control cylinder 11 can drive the T-shaped block 10 to move up and down along the T-shaped groove 9, thereby adjusting the vertical position of the auxiliary heating cavity 401 and the heating plate 403, and thus realizing the sealing operation of the packaging bag.

[0036] Specifically, such as Figure 2 As shown, a placement plate 12 is fixedly connected to the front side of the support base 2. The placement plate 12 is located below the U-shaped frame 3 and is used in conjunction with the heating plate 403.

[0037] Specifically, such as Figure 2 As shown, a PLC controller 13 is fixedly installed on the right side of the support base 2. The heating plate 403, hot air blower 406, electric push rod 504 and control cylinder 11 are all electrically connected to the PLC controller 13.

[0038] In this embodiment: Through the above settings, the placement plate 12 can form an upper and lower corresponding relationship with the heating plate 403, ensuring that the packaging bag is accurately placed in the heating area. At the same time, it can provide a stable support surface for the packaging bag to be sealed, avoiding displacement or wrinkles caused by uneven force during the heating process. The PLC controller 13 can coordinate the running sequence of the heating plate 403, hot air blower 406, electric push rod 504 and control cylinder 11 through programming logic to realize an automated sealing process and ensure the precise operation of each actuator.

[0039] Working principle: First, the electric heating element is energized and heated. Then, the hot air blower 406 is started via the PLC controller 13. The hot air generated by the hot air blower 406 is sprayed from the heat outlet 404 onto the surface of the heating plate 403, forming a convective heat field. At the same time, the temperature sensor 7 in the auxiliary heating cavity 401 provides real-time feedback data. The PLC controller 13 can dynamically adjust the power of the hot air blower 406 to ensure that the heating plate 403 is always at an appropriate temperature. Afterward, the operator places the packaging bag on top of the placement plate 12. Then, the PLC controller 13 drives the extension end of the control cylinder 11 to move downward until it contacts the packaging bag and applies a preset pressure. Through the heating plate 403 and... The hot air works together to quickly melt the sealing area of ​​the packaging bag, allowing it to be sealed. After the sealing time is over, the telescopic cylinder will drive the heating plate 403 to rise and reset. At the same time, the electric push rod 504 will be activated by the PLC controller 13. The telescopic end of the electric push rod 504 will drive the collection box 501 and the cleaning plate 502 to move closer to the heating plate 403. The cleaning plate 502 will adhere to the surface of the heating plate 403. Then the electric push rod 504 will continue to drive the cleaning plate 502 to move, so that the cleaning plate 502 can scrape off the residue on the bottom surface of the heating plate 403. The scraped residue will then fall into the inside of the collection box 501.

[0040] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A high-efficiency heat transfer device for a sealing machine, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected with a support seat (2), the front side of the support seat (2) is fixedly connected with a U-shaped frame (3), the inside of the U-shaped frame (3) is provided with a heat conduction assembly (4), and the surface of the heat conduction assembly (4) is provided with a cleaning assembly (5), and the cleaning assembly (5) comprises a collecting box (501). The heat conduction assembly (4) comprises an auxiliary heating cavity (401), and the surface of the auxiliary heating cavity (401) is coated with an aerogel thermal insulation coating; the top of the auxiliary heating cavity (401) is provided with a mounting through hole (402); the inside of the mounting through hole (402) is fixedly connected with a heating plate (403), and the bottom end of the heating plate (403) is in an arc shape; the inside of the heating plate (403) is provided with an electric heating element, and the connecting end of the electric heating element is fixedly connected with a connecting wire (6); the inside of the auxiliary heating cavity (401) is hollow, and temperature sensors (7) are arranged on the two sides of the inner wall of the auxiliary heating cavity (401); the front side and the rear side of the inner wall of the auxiliary heating cavity (401) are provided with heat outlet holes (404); and the rear side of the auxiliary heating cavity (401) is fixedly connected with a corrugated pipe (405), the corrugated pipe (405) penetrates through the support seat (2) and is fixedly connected with a hot air blower (406).

2. The high-efficiency heat transfer device for a sealing machine according to claim 1, characterized in that: The collecting box (501) is arranged below the heating plate (403), the inside of the collecting box (501) is fixedly connected with a cleaning plate (502), the inner wall of the cleaning plate (502) is in an arc shape, and the cleaning plate (502) is used in cooperation with the heating plate (403).

3. The high-efficiency heat transfer device for a sealing machine according to claim 2, characterized in that: The right side of the U-shaped frame (3) is provided with a placing hole (8), and the placing hole (8) is used in cooperation with the cleaning plate (502) and the collecting box (501).

4. The high-efficiency heat transfer device for a sealing machine according to claim 1, characterized in that: The right side of the U-shaped frame (3) is fixedly connected with an L-shaped frame (503), the inside of the L-shaped frame (503) is fixedly connected with an electric push rod (504), and the telescopic end of the electric push rod (504) is fixedly connected with the right side of the collecting box (501).

5. The high-efficiency heat transfer device for a capper according to claim 4, characterized in that: The two sides of the inner wall of the U-shaped frame (3) are provided with T-shaped grooves (9), the inside of the T-shaped grooves (9) is slidably connected with T-shaped blocks (10), and one side of the T-shaped blocks (10) close to the auxiliary heating cavity (401) is fixedly connected with the auxiliary heating cavity (401).

6. The high-efficiency heat transfer device for a capper according to claim 5, characterized in that: The two sides of the top of the U-shaped frame (3) are fixedly connected with control air cylinders (11), the telescopic ends of the control air cylinders (11) penetrate through the T-shaped grooves (9) and are fixedly connected with the top of the T-shaped blocks (10).

7. The high-efficiency heat transfer device for a capper of claim 1, wherein: The front side of the support seat (2) is fixedly connected with a placing plate (12), the placing plate (12) is located below the U-shaped frame (3) and is used in cooperation with the heating plate (403).

8. The high-efficiency heat transfer device for a sealing machine according to claim 6, characterized in that: The right side of the support seat (2) is fixedly provided with a PLC controller (13), and the heating plate (403), the hot air blower (406), the electric push rod (504) and the control air cylinder (11) are electrically connected with the PLC controller (13).

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