A food packaging bag sealing port cutting device

Abstract

The utility model discloses a kind of food packaging bag sealing mouth cutting device, comprising: rack, slide bar is arranged between the front and rear inner wall of rack, retractable pneumatic cylinder is fixedly connected on the front side inner wall of rack, retractable pneumatic cylinder is located between slide bar, first slide, second slide and third slide are sequentially slidably connected on slide bar, the fixed connection of retractable pneumatic cylinder's extension end and first slide;First slide and third slide are connected by transmission assembly;Second slide and third slide are provided with press spring;Second slide and third slide are fixedly connected with pull rod on the side adjacent to third slide, after pull rod passes through third slide, it is threadedly connected with limit bolt;Hot press plate is arranged between first slide and second slide, the middle part of hot press plate is provided with avoiding slot, cutting assembly is arranged in avoiding slot, cutting assembly is fixedly connected with third slide, so that cutting assembly is cut under the condition that upper and lower side of packaging bag are pressed tightly fixed, can effectively guarantee cutting quality.

Description

Technical Field

[0001] This utility model belongs to the field of food packaging bag technology, and specifically relates to a food packaging bag sealing opening cutting device. Background Technology

[0002] Food packaging bag sealing and cutting devices typically refer to mechanical equipment used on automated packaging lines. These devices can cut the bag opening simultaneously with sealing. The design of this device aims to ensure food safety, hygiene, and packaging neatness, while also improving packaging efficiency. Cutting at the same time as sealing reduces the chance of food coming into contact with the outside environment, preventing contamination and ensuring food hygiene and safety.

[0003] Traditional food packaging bag sealing and cutting devices typically involve two stages: first sealing, then cutting. A heat-pressing device (such as a heat press head) heats the opening of the bag, melting and bonding it together to form a seal. Then, a blade or roller is used to cut the sealed bag, removing excess edges. In these cutting devices, sealing before cutting can weaken the seal due to stretching during the cutting process, affecting its sealing performance. This can lead to contamination of the bag during cutting, compromising food safety, increasing production time, and reducing efficiency.

[0004] Therefore, this application provides a food packaging bag sealing cutting device, which aims to improve the cutting quality of the packaging bag sealing and the heat-sealing quality. Utility Model Content

[0005] This utility model provides a food packaging bag sealing opening cutting device, which aims to solve the problems pointed out in the background art.

[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0007] A food packaging bag sealing and cutting device includes: a rectangular frame, a pair of slide rods symmetrically arranged between the front and rear inner walls of the frame, a telescopic cylinder fixedly connected to the front inner wall of the frame, the telescopic cylinder being located between the slide rods, a first slide plate, a second slide plate, and a third slide plate being slidably connected to the slide rods in sequence, and the extended end of the telescopic cylinder being fixedly connected to the first slide plate.

[0008] The first and third slide plates are connected by a transmission assembly, which is used to drive the first and third slide plates to separate or approach each other; a pair of pressing springs are provided between the second and third slide plates, and the pressing springs are sleeved on the slide rod; a pull rod is fixedly connected to the side of the second slide plate adjacent to the third slide plate, and the pull rod passes through the third slide plate and is threadedly connected to a limit bolt;

[0009] A hot press plate is provided between the first and second slide plates. A clearance groove is provided in the middle of the hot press plate, and a cutting component is provided in the clearance groove. The cutting component is fixedly connected to the third slide plate.

[0010] Furthermore, the clearance groove is located in the middle of the hot press plate, and the clearance groove is provided through one side of the hot press plate, with hot press heads respectively provided at the upper and lower parts of the clearance groove.

[0011] Furthermore, the cutting assembly includes two mounting rods, one end of which is fixedly connected to the third sliding plate, and the other end of which passes through the second sliding plate and is fixedly connected to a cutter.

[0012] Furthermore, an adjusting screw is provided at the end of the mounting rod away from the cutter, and a locking nut is threadedly connected to the adjusting screw after it passes through the third slide plate.

[0013] Furthermore, the transmission assembly includes: rotating plates rotatably connected to the middle portions of the left and right inner walls of the frame, with one end of a first push rod rotatably connected to each side of the first sliding plate, and the other end of the first push rod rotatably connected to the lower end of the adjacent rotating plate; and one end of a second push rod rotatably connected to each side of the third sliding plate, with the other end of the second push rod rotatably connected to the upper end of the adjacent rotating plate.

[0014] Furthermore, when the hot press heads on the two hot press plates separate from each other, the edge of the cutter does not exceed the edge of the hot press head.

[0015] Compared with the prior art, the present invention has the following technical effects:

[0016] 1. The food packaging bag sealing and cutting device of this utility model uses a telescopic cylinder to drive the first sliding plate to slide, and then uses a transmission component to separate or bring the first and third sliding plates together. This design allows the device to perform hot pressing and cutting actions using a single cylinder as a power source, effectively reducing equipment costs.

[0017] 2. The food packaging bag sealing and cutting device of this utility model can perform heat-press sealing on the sealing opening of the food packaging bag by means of a hot pressure plate set between the first and second sliding plates. The hot pressure plate can provide uniform heat, so that the sealing opening of the packaging bag can achieve reliable sealing under certain temperature and pressure, effectively preventing food leakage and deterioration, and ensuring the quality and safety of food. The clearance groove opened in the middle of the hot pressure plate provides space for the cutting component, so that the cutting component can accurately cut the packaging bag.

[0018] 3. The food packaging bag sealing opening cutting device of this utility model is fixedly connected to the third sliding plate through the cutting component. As the third sliding plate pushes the second sliding plate to abut against the first sliding plate and continues to move, the pressing spring is further compressed, causing the cutting component to move forward to perform the cutting operation. This allows the cutting component to cut while the upper and lower sides of the packaging bag are pressed and fixed, which can effectively ensure the cutting quality. Attached Figure Description

[0019] Figure 1 This is an overall isometric view of the food packaging bag sealing and cutting device described in this utility model;

[0020] Figure 2 This is a schematic diagram of the cutting component of a food packaging bag sealing opening cutting device according to the present invention;

[0021] Figure 3 This is a schematic diagram showing the positions of the hot press plate and the cutting component of the food packaging bag sealing and cutting device described in this utility model.

[0022] In the picture:

[0023] 1. Frame; 2. Slide rod; 3. Telescopic cylinder; 4. First slide plate; 5. Second slide plate; 6. Third slide plate; 7. First push rod; 8. Second push rod; 9. Rotating plate; 10. Pressing spring; 11. Pull rod; 12. Limit bolt;

[0024] 13. Hot press plate; 1301. Clearance groove; 1302. Hot press head;

[0025] 14. Cutting assembly; 1401. Mounting rod; 1402. Cutting blade; 1403. Adjusting screw; 1404. Locking nut. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to specific embodiments of this application and the accompanying drawings.

[0027] like Figure 1-3 As shown, a food packaging bag sealing and cutting device includes: a rectangular frame 1, a pair of slide rods 2 symmetrically arranged between the front and rear inner walls of the frame 1, a telescopic cylinder 3 fixedly connected to the front inner wall of the frame 1, the telescopic cylinder 3 being located between the slide rods 2, a first slide plate 4, a second slide plate 5 and a third slide plate 6 being slidably connected to the slide rods 2 in sequence, and the extended end of the telescopic cylinder 3 being fixedly connected to the first slide plate 4;

[0028] The first slide plate 4 and the third slide plate 6 are connected by a transmission assembly, which is used to drive the first slide plate 4 and the third slide plate 6 to separate or approach each other; a pair of pressing springs 10 are provided between the second slide plate 5 and the third slide plate 6, and the pressing springs 10 are sleeved on the slide rod 2; a pull rod 11 is fixedly connected to the side of the second slide plate 5 adjacent to the third slide plate 6, and the pull rod 11 passes through the third slide plate 6 and is threadedly connected to a limit bolt 12;

[0029] A hot press plate 13 is provided between the first slide plate 4 and the second slide plate 5. A clearance groove 1301 is provided in the middle of the hot press plate 13. A cutting component 14 is provided in the clearance groove 1301. The cutting component 14 is fixedly connected to the third slide plate 6.

[0030] The first slide plate 4 is driven to slide by a telescopic cylinder 3, and the first slide plate 4 and the third slide plate 6 can be separated or brought closer together by a transmission assembly. This design allows the device to perform hot pressing and cutting operations using a single cylinder as a power source, effectively reducing equipment costs.

[0031] The hot press plate 13, positioned between the first slide plate 4 and the second slide plate 5, heat-seales the opening of the food packaging bag. The hot press plate 13 provides uniform heat, ensuring a reliable seal at a specific temperature and pressure, effectively preventing food leakage and spoilage, and guaranteeing food quality and safety. The clearance groove 1301 in the middle of the hot press plate 13 provides space for the cutting component 14, allowing it to accurately cut the packaging bag. The cutting component 14 is fixedly connected to the third slide plate 6. As the third slide plate 6 pushes the second slide plate 5 against the first slide plate 4 and continues to move, the pressing spring 10 is further compressed, causing the cutting component 14 to move forward for the cutting operation. This ensures that the cutting component 14 cuts while the packaging bag is pressed and fixed from both the top and bottom, effectively guaranteeing cutting quality.

[0032] like Figure 3As shown, the clearance groove 1301 is located in the middle of the hot press plate 13, and the clearance groove 1301 is provided through one side of the hot press plate 13. Hot press heads 1302 are respectively provided at the upper and lower parts of the clearance groove 1301. The clearance groove 1301 extending through one side is provided in the middle of the hot press plate 13, and hot press heads 1302 are respectively provided at the upper and lower parts of the clearance groove 1301. Thus, when performing a hot press operation on the sealing opening of a food packaging bag, the hot press heads 1302 can simultaneously apply heat and pressure to the sealing opening of the packaging bag from both upper and lower directions. In continuous packaging operations, this structure can complete the sealing process of two adjacent packaging bags simultaneously in one hot press operation. Compared with the traditional method of sealing each packaging bag individually, this greatly reduces production time and improves packaging efficiency. After the two seals are formed by hot pressing, the area between the two seals can be cut immediately afterward because the hot pressing plate 13 has a relief groove 1301 in the middle to accommodate the cutting component 14, achieving a seamless connection between the hot pressing and cutting processes. This close process connection avoids intermediate pauses and transfer time, further improving the production efficiency of continuous packaging and making the production process smoother.

[0033] In another specific embodiment, after the hot press head 1302 on the hot press plate 13 clamps the packaging bag, and the cutting component 14 completes the cutting, the hot press head 1302 performs the heat sealing action on the packaging bag, which can avoid the cutting action affecting the sealing quality. The specific heating component for the hot press head is a conventional technical means in the art and will not be described in detail here. In order to cooperate with the above process, the hot press head 1302 adopts a pulse heating component, which only heats after the cutting is completed to ensure the sealing quality.

[0034] This structure integrates hot pressing and cutting functions into one device and can complete two sealing processes simultaneously without the need for multiple hot pressing devices or complex process combinations. This reduces the company's investment in equipment purchase and site occupancy, and lowers fixed asset costs and operating costs.

[0035] like Figure 2 As shown, the cutting assembly 14 includes two mounting rods 1401, one end of which is fixedly connected to the third sliding plate 6, and the other end passes through the second sliding plate 5 and is fixedly connected to a cutter 1402.

[0036] like Figure 2 As shown, an adjusting screw 1403 is provided at one end of the mounting rod 1401 away from the cutter 1402. The adjusting screw 1403 passes through the third slide plate 6 and is threadedly connected to a locking nut 1404.

[0037] The adjusting screw 1403 and locking nut 1404 allow for flexible adjustment of the position of the cutter 1402. In actual production, different sizes of food packaging bags have different requirements for the cutting position. By rotating the adjusting screw, the extension length of the mounting rod can be changed, thereby precisely adjusting the position of the cutter 1402 relative to the hot press plate 13 and the packaging bag to accommodate packaging bags of different sizes and packaging requirements. This flexibility greatly improves the versatility of the device and can meet diverse production needs.

[0038] like Figure 1 As shown, the transmission assembly includes: rotating plates 9 rotatably connected to the middle portions of the left and right inner walls of the frame 1 respectively; one end of a first push rod 7 is rotatably connected to both sides of the first sliding plate 4 respectively, and the other end of the first push rod 7 is rotatably connected to the lower end of the adjacent rotating plate 9 respectively; one end of a second push rod 8 is rotatably connected to both sides of the third sliding plate 6 respectively, and the other end of the second push rod 8 is rotatably connected to the upper end of the adjacent rotating plate 9 respectively.

[0039] By combining the rotating plate 9, the first push rod 7, and the second push rod 8, the linear motion of the first slide plate 4 can be effectively transmitted and converted into the reverse linear motion of the third slide plate 6. When the telescopic cylinder 3 pushes the first slide plate 4 to move, the first push rod 7 drives the rotating plate 9 to rotate around its rotation point, which in turn drives the third slide plate 6 to move in the opposite direction to the first slide plate 4 via the second push rod 8. This reverse synchronous motion design allows the device to complete the cutting and heat sealing operations with only the telescopic cylinder 3 as the power source.

[0040] In a specific implementation, the rotating plate 9 functions as a lever structure, with the first push rod 7 and the second push rod 8 acting at different positions on the rotating plate. Based on the lever principle, by rationally designing the length of the rotating plate 9 and the connection positions of the first and second push rods 8, force amplification or rational distribution can be achieved. When the telescopic cylinder 3 pushes the first sliding plate 4, the transmission assembly enables the third sliding plate 6 to obtain sufficient thrust with a relatively small driving force, thereby achieving effective sealing and cutting of the packaging bag, achieving a labor-saving effect, and reducing the energy consumption and power source requirements of the equipment.

[0041] like Figure 3 As shown, when the hot pressing heads 1302 on the two hot pressing plates 13 are separated from each other, the edge of the cutter 1402 does not exceed the edge of the hot pressing head 1302.

[0042] Hot pressing and cutting are two crucial steps in the packaging process and must be performed in a specific order. The cutter 1402 can only perform the cutting operation after the hot pressing head 1302 has completed pressing the packaging bag. If the edge of the cutter 1402 extends beyond the edge of the hot pressing head, it may contact the packaging bag before the hot pressing head 1302 has completed pressing, resulting in premature cutting. In this case, the packaging bag is relatively loose and may have wrinkles, leading to a poor cut quality.

[0043] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present utility model, and these all fall within the protection scope of the present utility model.

Claims

1. A food packaging bag sealing opening cutting device, characterized in that, include: A rectangular frame (1) has a pair of sliding rods (2) symmetrically arranged between the front and rear inner walls of the frame (1). A telescopic cylinder (3) is fixedly connected to the front inner wall of the frame (1). The telescopic cylinder (3) is located between the sliding rods (2). A first sliding plate (4), a second sliding plate (5), and a third sliding plate (6) are slidably connected to the sliding rods (2) in sequence. The extended end of the telescopic cylinder (3) is fixedly connected to the first sliding plate (4). The first slide (4) and the third slide (6) are connected by a transmission assembly, which is used to drive the first slide (4) and the third slide (6) to separate or approach each other; a pair of pressing springs (10) are provided between the second slide (5) and the third slide (6), and the pressing springs (10) are sleeved on the slide rod (2); a pull rod (11) is fixedly connected to the side of the second slide (5) adjacent to the third slide (6), and the pull rod (11) passes through the third slide (6) and is threadedly connected to a limit bolt (12); A hot press plate (13) is provided between the first slide plate (4) and the second slide plate (5). A clearance groove (1301) is provided in the middle of the hot press plate (13). A cutting component (14) is provided in the clearance groove (1301). The cutting component (14) is fixedly connected to the third slide plate (6).

2. The food packaging bag sealing opening cutting device according to claim 1, characterized in that, The clearance groove (1301) is located in the middle of the hot press plate (13), and the clearance groove (1301) is provided through one side of the hot press plate (13). Hot press heads (1302) are respectively provided in the upper and lower parts of the clearance groove (1301).

3. The food packaging bag sealing opening cutting device according to claim 2, characterized in that, The cutting assembly (14) includes two mounting rods (1401), one end of which is fixedly connected to the third sliding plate (6), and the other end of which passes through the second sliding plate (5) and is fixedly connected to a cutter (1402).

4. The food packaging bag sealing opening cutting device according to claim 3, characterized in that, An adjusting screw (1403) is provided at the end of the mounting rod (1401) away from the cutter (1402), and the adjusting screw (1403) is threadedly connected to a locking nut (1404) after passing through the third slide plate (6).

5. The food packaging bag sealing opening cutting device according to claim 1, characterized in that, The transmission assembly includes: rotating plates (9) rotatably connected to the middle parts of the left and right inner walls of the frame (1); one end of a first push rod (7) is rotatably connected to both sides of the first sliding plate (4); the other end of the first push rod (7) is rotatably connected to the lower end of the adjacent rotating plate (9); one end of a second push rod (8) is rotatably connected to both sides of the third sliding plate (6); the other end of the second push rod (8) is rotatably connected to the upper end of the adjacent rotating plate (9).

6. The food packaging bag sealing opening cutting device according to claim 3, characterized in that, When the hot press heads (1302) on the two hot press plates (13) are separated from each other, the edge of the cutter (1402) does not exceed the edge of the hot press head (1302).

Images