Packaging mechanism of plate-shaped material packaging machine

Abstract

The utility model discloses a packaging mechanism of a platy material packaging machine, which relates to the technical field of packaging and comprises a device main body, a conveying mechanism, a hot melting block and a spring, a conveying belt is arranged at the top of the device main body, a lower packaging film is arranged on the surface of the top of the conveying belt, and two ends of the lower packaging film are conveyed through an external conveying device. According to the device, the plate-shaped material is placed on the surface of the lower packaging film, and the lower packaging film is supported by the conveying belt, so that the plate-shaped material, the upper packaging film and the lower packaging film move synchronously. When the plate-shaped material moves to the position between the two supporting plates, the first air cylinder acts to enable the supporting plates to stretch out to the position below the lower packaging film, then the second air cylinder pushes the hot melting block to move downwards, and hot melting connection is conducted on the upper packaging film and the lower packaging film on the edge of the plate-shaped material. The process does not need to turn over the plate, time is remarkably saved, and packaging efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of packaging technology, specifically to a packaging mechanism for a sheet material packaging machine. Background Technology

[0002] After the sheet material is processed, it needs to be packaged with plastic film to prevent oxidation and moisture during transportation. A search revealed that Chinese Patent Publication No. CN221251986U discloses a packaging mechanism for a sheet material packaging machine. This device uses a hydraulic drive component to press down the packaging seat for the first step of sealing. Then, a lifting seat reverses the sheet material to be packaged, and another set of packaging seats performs a second sealing on its bottom surface. At the same time, the double-layer packaging film on the sides is fused together by high temperature, thereby achieving a fully enclosed sealing effect. However, this device requires the sheet material to be flipped during the packaging process to package both sides, which prolongs the packaging time and reduces the packaging efficiency of the sheet material. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides a packaging mechanism for a sheet material packaging machine, which solves the problem mentioned in the background art that existing devices require flipping the sheet material to package both sides, thus extending the packaging time.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a packaging mechanism for a plate-shaped material packaging machine, comprising a device body, a conveying mechanism, a hot melt block, and a spring. A conveyor belt is mounted on the top of the device body, and a lower packaging film is mounted on the top surface of the conveyor belt. The lower packaging film is conveyed at both ends by an external conveying device. The bottom surface of the lower packaging film is in contact with the top surface of the conveyor belt. First cylinders are embedded inside both sides of the device body. Support plates are welded to the telescopic ends of the first cylinders, and fixed frames are welded to the top of both sides of the device body. Second cylinders are embedded inside the top of the fixed frames. Two second cylinders are provided. Cutting frames are fitted around the telescopic ends of the bottom of the two second cylinders. A hot melt block is mounted inside the cutting frame, and the outer wall of the hot melt block slides in contact with the inner wall of the cutting frame.

[0005] Preferably, one end of the support plate is located between the conveyor belt and the lower packaging film, and two support plates are provided, which are symmetrically distributed with each other. One end of the support plate is always located between the conveyor belt and the lower packaging film. The support plate helps to prevent the hot melt block from scalding the conveyor belt.

[0006] Preferably, the bottom of the cutting frame has a rectangular structure, and the width of the cutting frame is smaller than the width of the upper packaging film. The bottom edge of the cutting frame is provided with a cutting edge for cutting the packaging film, so that the two sides of the upper packaging film can still remain connected after being cut.

[0007] Preferably, an electric heating coil is provided inside the hot melt block, the top of the hot melt block is welded to the bottom of the telescopic rod, one end of the top of the telescopic rod is welded to the inside of the cutting frame, and a spring is fitted on the outside of the telescopic rod. As the cutting frame continues to move downward and contacts the upper and lower packaging films, the upper and lower packaging films can be cut by the cutting edge of the cutting frame.

[0008] Preferably, there are two conveying mechanisms, which are installed at both ends of the main body of the device. Each conveying mechanism includes a mounting frame, which is welded to the main body of the device. The mounting frame is rotatably connected to one end of a drive shaft. The other end of the drive shaft is fitted onto the outside of a drive motor. The drive motor drives the drive shaft to rotate, thereby enabling the drive shaft to move the upper packaging film.

[0009] Preferably, a pressure shaft is provided above the drive shaft, and the two ends of the pressure shaft are rotatably connected to the inside of the slider. The two sides of the slider are slidably connected to the mounting frame. The top of the slider is fitted outside the bottom telescopic end of the third cylinder. The third cylinder is installed on the top of the mounting frame. By pushing the slider downward by the third cylinder, the slider can drive the pressure shaft to move downward, thereby pressing the pressure shaft against the upper packaging film and keeping the upper packaging film in contact with the drive shaft.

[0010] This utility model provides a packaging mechanism for a sheet material packaging machine. It has the following beneficial effects:

[0011] (1) The packaging mechanism of this sheet material packaging machine involves placing the sheet material on the surface of a lower packaging film and using a conveyor belt to support the lower packaging film, allowing the sheet material and the upper and lower packaging films to move synchronously. When the sheet material moves between two support plates, a first cylinder causes the support plate to extend below the lower packaging film, and then a second cylinder pushes the hot melt block downwards to perform hot melt connection between the upper and lower packaging films at the edge of the sheet material. This process eliminates the need to flip the sheet material, significantly saving time and improving packaging efficiency.

[0012] (2) In the packaging mechanism of the plate material packaging machine, after the hot melt block moves downward to heat melt and connect the upper and lower packaging films, the second cylinder continues to press down to compress the spring outside the telescopic rod, thereby enabling the cutting frame outside the hot melt block to continue to move downward. As the cutting frame continues to move downward and contacts the upper and lower packaging films, the cutting edge of the cutting frame can cut the upper and lower packaging films, so that the edges of the heat-melted upper and lower packaging films can remain flat, thereby improving the aesthetics of the packaging.

[0013] This solves the problem that existing devices require flipping the boards to package both sides, thus extending the packaging time. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a top view of the structure of this utility model;

[0016] Figure 3 This is a schematic diagram of the transmission shaft structure of this utility model;

[0017] Figure 4 This is a schematic diagram of the hot melt block structure of this utility model;

[0018] Figure 5 This is a schematic diagram of the support plate structure of this utility model.

[0019] In the diagram, 1. Main body of the device; 2. Conveyor belt; 3. Lower packaging film; 4. Upper packaging film; 5. Conveying mechanism; 501. Mounting frame; 502. Drive shaft; 503. Drive motor; 504. Pressure shaft; 505. Slider; 506. Third cylinder; 6. First cylinder; 7. Support plate; 8. Fixing frame; 9. Second cylinder; 10. Cutting frame; 11. Hot melt block; 12. Spring; 13. Telescopic rod. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. 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.

[0021] Example 1:

[0022] Please see Figure 1-5This utility model provides a technical solution: a packaging mechanism for a plate-shaped material packaging machine, including a device body 1, a conveying mechanism 5, a hot melt block 11, and a spring 12. A conveyor belt 2 is provided on the top of the device body 1, and a lower packaging film 3 is provided on the top surface of the conveyor belt 2. The lower packaging film 3 is conveyed at both ends by an external conveying device. The bottom surface of the lower packaging film 3 is in contact with the top surface of the conveyor belt 2. First cylinders 6 are embedded inside both sides of the device body 1. Support plates 7 are welded to the telescopic ends of the first cylinders 6. Fixing frames 8 are welded to the top of both sides of the device body 1. Second cylinders 9 are embedded inside the top of the fixing frames 8. Two second cylinders 9 are provided. Cutting frames 10 are fitted outside the telescopic ends of the two second cylinders 9. Hot melt blocks 11 are provided inside the cutting frames 10. The outer wall of the hot melt block 11 slides in contact with the inner wall of the cutting frame 10. Two conveying mechanisms 5 are provided, installed at both ends of the device body 1. Each conveying mechanism 5 includes a mounting frame 501, which is welded to the device body 1. The interior of the mounting frame 501 is connected to one end of the drive shaft 502. The drive shaft 502 is rotatably connected to the drive motor 503. A pressure shaft 504 is installed above the drive shaft 502. Both ends of the pressure shaft 504 are rotatably connected to the inside of the slider 505. The sides of the slider 505 are slidably connected to the mounting frame 501. The top of the slider 505 is fitted onto the outside of the bottom telescopic end of the third cylinder 506. The third cylinder 506 is installed on the top of the mounting frame 501. When the device is in use, the sheet material is placed on the surface of the lower packaging film 3 and supported by the conveyor belt 2. The sheet material moves synchronously with the upper packaging film 4 and the lower packaging film 3. When it moves between the two support plates 7, the support plates 7 can extend under the lower packaging film 3 under the action of the first cylinder 6. Then, under the action of the second cylinder 9, the hot melt block 11 can be pushed downward, so that the hot melt block 11 can press down and heat melt the upper packaging film 4 and the lower packaging film 3 on the edge of the sheet material, thereby quickly completing the packaging of the sheet material without flipping the sheet, which greatly saves time and improves packaging efficiency.

[0023] Example 2:

[0024] This utility model embodiment provides a technical solution: a packaging mechanism for a sheet material packaging machine, wherein one end of a support plate 7 is located between the conveyor belt 2 and the lower packaging film 3, and two support plates 7 are provided, symmetrically distributed, and one end of the support plate 7 is always located between the conveyor belt 2 and the lower packaging film 3; the bottom of the cutting frame 10 has a rectangular structure, and the width of the cutting frame 10 is smaller than the width of the upper packaging film 4; the bottom edge of the cutting frame 10 is provided with a cutting edge; an electric heating coil is provided inside the hot melt block 11; the top of the hot melt block 11 is welded to the bottom of the telescopic rod 13; and one end of the top of the telescopic rod 13 is connected to the cutting frame 1. The internal welding is 0, and the telescopic rod 13 is externally fitted with a spring 12. After the hot melt block 11 moves downward to heat melt and connect the upper packaging film 4 and the lower packaging film 3, the second cylinder 9 continues to press down and compresses the spring 12 outside the telescopic rod 13, thereby allowing the cutting frame 10 outside the hot melt block 11 to continue to move downward. As the cutting frame 10 continues to move downward and contacts the upper packaging film 4 and the lower packaging film 3, the cutting edge of the cutting frame 10 can cut the upper packaging film 4 and the lower packaging film 3, so that the edges of the heat-melted upper packaging film 4 and the lower packaging film 3 can remain flat, thereby improving the aesthetics of the packaging.

[0025] During operation, this device achieves efficient packaging of sheet materials. Specifically, the device places the sheet material on the surface of the lower packaging film 3 and uses the conveyor belt 2 to support the lower packaging film 3, allowing the sheet material and the upper and lower packaging films 3 to move synchronously. When the sheet material moves between the two support plates 7, the first cylinder 6 extends the support plate 7 below the lower packaging film 3, and then the second cylinder 9 pushes the hot melt block 11 downward to heat-melt the edges of the sheet material with the upper and lower packaging films 3. This process does not require flipping the sheet material, significantly saving time and improving packaging efficiency. After the heat-melt connection, the second cylinder 9 continues to press down, compressing the external spring 12, causing the cutting frame 10 to move further downward and contact the packaging film. The cutting edge of the cutting frame 10 cuts the edges of the heat-melted packaging film, ensuring a smooth edge and improving the aesthetics of the packaging. It is worth noting that the entire device is controlled by an external master control button. Since the device matched with the control button is a common device and belongs to existing common knowledge technology, its electrical connection relationship and specific circuit structure will not be described in detail here.

[0026] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0027] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A packaging mechanism for a sheet material packaging machine, characterized in that: The device includes a main body (1), a conveying mechanism (5), a hot melt block (11), and a spring (12). A conveyor belt (2) is provided on the top of the main body (1). A lower packaging film (3) is provided on the top surface of the conveyor belt (2). The two ends of the lower packaging film (3) are conveyed by an external conveying device. The bottom surface of the lower packaging film (3) is attached to the top surface of the conveyor belt (2). A first cylinder (6) is embedded in the two sides of the main body (1). A support plate (7) is welded to the telescopic end of the first cylinder (6). A fixing frame (8) is welded to the top of the two sides of the main body (1). A second cylinder (9) is embedded in the top of the fixing frame (8). There are two second cylinders (9). A cutting frame (10) is fitted on the outside of the telescopic end of the bottom of the two second cylinders (9). A hot melt block (11) is provided inside the cutting frame (10). The outer wall of the hot melt block (11) slides in contact with the inner wall of the cutting frame (10).

2. The packaging mechanism of a sheet material packaging machine according to claim 1, characterized in that: One end of the support plate (7) is located between the conveyor belt (2) and the lower packaging film (3), and there are two support plates (7). The two support plates (7) are symmetrically distributed, and one end of the support plate (7) is always located between the conveyor belt (2) and the lower packaging film (3).

3. The packaging mechanism of a sheet material packaging machine according to claim 1, characterized in that: The bottom of the cutting frame (10) is rectangular, and the width of the cutting frame (10) is smaller than the width of the upper packaging film (4). The bottom edge of the cutting frame (10) is provided with a cutting edge for cutting the packaging film.

4. The packaging mechanism of a sheet material packaging machine according to claim 1, characterized in that: The hot melt block (11) is equipped with an electric heating coil inside. The top of the hot melt block (11) is welded to the bottom of the telescopic rod (13). One end of the top of the telescopic rod (13) is welded to the inside of the cutting frame (10). A spring (12) is fitted on the outside of the telescopic rod (13).

5. The packaging mechanism of a sheet material packaging machine according to claim 1, characterized in that: There are two conveying mechanisms (5). The two conveying mechanisms (5) are installed at both ends of the main body (1). Each conveying mechanism (5) includes a mounting frame (501). The mounting frame (501) is welded to the main body (1), and the interior of the mounting frame (501) is rotatably connected to one end of the drive shaft (502). The other end of the drive shaft (502) is fitted onto the outside of the drive motor (503).

6. The packaging mechanism of a sheet material packaging machine according to claim 5, characterized in that: A pressure shaft (504) is provided above the drive shaft (502). The two ends of the pressure shaft (504) are rotatably connected to the inside of the slider (505). The two sides of the slider (505) are slidably connected to the mounting bracket (501). The top of the slider (505) is fitted outside the bottom telescopic end of the third cylinder (506). The third cylinder (506) is installed on the top of the mounting bracket (501).

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