Heat sealing mechanism of food packaging machine

Abstract

The utility model discloses a food packaging machine heat sealing mechanism which comprises an operation platform, a working assembly and a fixing assembly, an installation plate is arranged on the upper surface of the operation platform, two correction grooves are formed in the left side and the right side of the lower surface of the installation plate respectively, and a first sliding groove is formed between the two correction grooves. First positioning columns are fixedly connected to the left sides and the right sides of the inner walls of the two correction grooves, rotating blocks are rotatably connected to the outer surfaces of the first positioning columns, connecting columns are fixedly connected to the side walls of the rotating blocks, and rotating rods are rotatably connected to the outer surfaces of the connecting columns; the lower surface of the rotating rod is fixedly connected with a first abutting block, and a plurality of mounting grooves are formed in the first abutting block. Through staged execution of pre-pressing and heat-sealing cutting procedures and synchronous action of the four sets of positioning mechanisms, rapid processing of packaging can be achieved, the takt of a production line is remarkably improved, and the efficiency of the production line is improved.

Description

A heat sealing mechanism for a food packaging machine Technical Field

[0001] This utility model relates to the field of food packaging technology, and in particular to a heat sealing mechanism for a food packaging machine. Background Technology

[0002] Food packaging is an important means of protecting food from external environmental influences such as microorganisms, oxygen, and light. It also helps prevent physical damage to food during transportation and storage. In addition, food packaging can improve the hygiene quality of food, extend its shelf life, and facilitate its storage and transportation. Food packaging requires the use of heat sealing mechanisms in food packaging machines.

[0003] When the heat sealing mechanism of a food packaging machine needs to increase the production line speed, the lack of a pre-compression structure not only increases the defect rate but also ultimately fails to improve the efficiency of the production line. Summary of the Invention

[0004] The purpose of this utility model is to provide a heat sealing mechanism for a food packaging machine. By performing the pre-pressing and heat-sealing cutting processes in stages, and coordinating the synchronous action of four sets of positioning mechanisms, the packaging can be processed quickly, significantly improving the production line cycle time and thus increasing production line efficiency.

[0005] To achieve the above objectives, a heat-sealing mechanism for a food packaging machine is provided, comprising: an operating platform, a working component, and a fixing component. An mounting plate is provided on the upper surface of the operating platform. Two correction grooves are formed on both the left and right sides of the lower surface of the mounting plate. A first sliding groove is provided between the two correction grooves, and the interior of the first sliding groove communicates with the upper and lower surfaces of the mounting plate. First positioning posts are fixedly connected to the left and right sides of the inner walls of the two correction grooves. A rotating block is rotatably connected to the outer surface of the first positioning post. A connecting post is fixedly connected to the side wall of the rotating block. A rotating rod is rotatably connected to the outer surface of the connecting post. A first abutting block is fixedly connected to the lower surface of the rotating rod. The first abutment block has several mounting slots inside. A second positioning post is fixedly connected to the left and right sides of the inner wall of each mounting slot. An abutment wheel is rotatably connected to the outer surface of the second positioning post. A second abutment block is fixedly connected to the front and rear sides of the lower surface of the first abutment block. A first connecting seat is fixedly connected to the inner wall of the first slide groove. An adjusting hydraulic pump is rotatably connected to the outer surface of the first connecting seat. An adjusting hydraulic rod is fixedly connected to the output end of the adjusting hydraulic pump. A second hydraulic seat is fixedly connected to the lower surface of the adjusting hydraulic rod, and the lower surface of the second hydraulic seat is fixedly connected to the first abutment block. A knife groove is provided inside the operating platform. Through the linkage of multiple components, a positioning and pressing structure is formed, ensuring stable alignment of the packaging material and providing a precise reference for heat sealing and cutting.

[0006] According to the heat sealing mechanism of the food packaging machine, there are two first slides, and the two first slides are symmetrically arranged on the front and rear sides of the mounting plate. The symmetrical distribution of the first slides ensures that the clamping force is evenly applied to the front and rear sides of the material, improving the positioning balance and the stability of the mechanism.

[0007] According to the heat-sealing mechanism of a food packaging machine, the interior of the mounting groove is connected to the upper and lower surfaces of the first contact block, and the number of correction grooves is four. The vertically connected mounting groove ensures effective contact between the contact wheel and the material, while the four correction grooves enhance the installation stability and centering of the rotating block.

[0008] According to the heat sealing mechanism of a food packaging machine, a fixing component is provided on the outer surface of the operating platform. The fixing component includes columns, a controller, and a housing. Columns are fixedly connected to the four corners of the lower surface of the operating platform, and the columns extend to the upper surface of the operating platform. A housing is fixedly connected to the upper surface of each of the four columns, and the controller is fixedly connected to the front surface of the housing. The fixing component provides structural support, a control center, and protection functions, ensuring the overall rigidity of the equipment and operational safety.

[0009] According to the heat sealing mechanism of the food packaging machine, the controller is located on the front surface of the mounting plate, and four columns are located at the four inner corners of the outer shell. The outer surfaces of the four columns are slidably connected to the mounting plate. The front-mounted controller facilitates operation and monitoring, and the sliding cooperation between the columns and the mounting plate enables stable lifting and lowering, improving the ease of use of the equipment.

[0010] According to the heat sealing mechanism of a food packaging machine, a working component is provided on the upper surface of the operating platform. The working component includes a lifting hydraulic pump, a lifting hydraulic rod, a processing block, a cutting blade, and a resistance heating block. The lifting hydraulic pump is fixedly connected to the top of the inner surface of the outer shell, and the lifting hydraulic rod is fixedly connected to the output end of the lifting hydraulic pump. A processing block is fixedly connected to the middle of the lower surface of the mounting plate, and resistance heating blocks are fixedly connected to both the front and rear sides of the lower surface of the processing block. A cutting blade is positioned between two resistance heating blocks. The working component integrates lifting, heating, and cutting functions, achieving efficient collaboration of the heat sealing process through hydraulic drive and modular layout.

[0011] According to the heat sealing mechanism of a food packaging machine, the lower surface of the lifting hydraulic rod is fixedly connected to the mounting plate, and the size of the cutting blade is adapted to the size of the blade groove. The rigid connection between the hydraulic rod and the mounting plate ensures synchronized operation, and the adaptation of the cutting blade to the blade groove enables precise cutting, improving sealing quality.

[0012] The above-mentioned solution has the following beneficial effects:

[0013] This utility model is equipped with an installation plate, a correction groove, a first sliding groove, a first positioning post, a rotating block, a connecting post, a rotating rod, a first contact block, an installation groove, a second positioning post, a contact wheel, a second contact block, a first connecting seat, an adjusting hydraulic pump, an adjusting hydraulic rod, a second hydraulic seat, and a knife groove. By performing pre-pressing and heat-sealing cutting processes in stages, and coordinating the synchronous action of four sets of positioning mechanisms, it can achieve rapid packaging processing, significantly improve the production line cycle time, and enhance production line efficiency.

[0014] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0016] Figure 1 is a perspective view of a heat sealing mechanism for a food packaging machine according to the present invention;

[0017] Figure 2 is a front view of a heat sealing mechanism for a food packaging machine according to this utility model;

[0018] Figure 3 is a cross-sectional perspective view of a heat sealing mechanism for a food packaging machine according to the present invention;

[0019] Figure 4 is an enlarged view of the structure at point A in Figure 3 of the utility model.

[0020] Legend:

[0021] 1. Operating platform; 2. Column; 3. Housing; 4. Controller; 5. Lifting hydraulic pump; 6. Lifting hydraulic rod; 7. Mounting plate; 8. First slide groove; 9. First connecting seat; 10. Adjusting hydraulic pump; 11. Adjusting hydraulic rod; 12. Second hydraulic seat; 13. Correction groove; 14. First positioning column; 15. Processing block; 16. Cutting blade; 17. Resistance heating block; 18. Rotating block; 19. Connecting column; 20. Rotating rod; 21. First contact block; 22. Mounting groove; 23. Second positioning column; 24. Contact wheel; 25. Second contact block; 26. Knife groove. Detailed Implementation

[0022] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0023] Referring to Figures 1-4, an embodiment of the present invention provides a heat sealing mechanism for a food packaging machine, comprising: an operating platform 1, a working component, and a fixing component. An mounting plate 7 is provided on the upper surface of the operating platform 1, serving as the basic mounting carrier for the heat sealing mechanism and providing a support platform for subsequent components. Two correction grooves 13 are provided on the left and right sides of the lower surface of the mounting plate 7. The correction grooves 13 provide installation space for the first positioning column 14, and their positions limit the rotation reference range of the rotating block 18. A first sliding groove 8 is provided between the two correction grooves 13, and the interior of the first sliding groove 8 communicates with the upper and lower surfaces of the mounting plate 7. The first sliding groove 8 provides a moving guide path for the adjusting hydraulic pump 10 and its connecting components, ensuring that the adjustment action is performed in a predetermined direction. The inner wall of the 13 is fixedly connected to the left and right sides of the first positioning post 14. The first positioning post 14 serves as the rotation axis of the rotating block 18 and provides a rotation support point for the rotating block 18 by fixing it to the inner wall of the correction groove 13. The rotating block 18 is rotatably connected to the outer surface of the first positioning post 14. The rotating block 18 converts the linear motion of the connecting post 19 into the swing motion of the rotating rod 20 by rotating around the first positioning post 14. The side wall of the rotating block 18 is fixedly connected to the connecting post 19. The connecting post 19 serves as the connection hub between the rotating block 18 and the rotating rod 20, transmitting the rotational displacement of the rotating block 18 to the rotating rod 20. The outer surface of the connecting post 19 is rotatably connected to the rotating rod 20. The rotating rod 20 amplifies the rotation amplitude of the rotating block 18 by rotating around the connecting post 19, driving the first positioning post 18 to rotate. A first contact block 21 performs an up-and-down contact action. The lower surface of the rotating rod 20 is fixedly connected to the first contact block 21. The first contact block 21 is the component that directly performs the contact action. Driven by the rotating rod 20, it achieves pre-compression and positioning of the packaging material. The interior of the first contact block 21 has several mounting slots 22. The mounting slots 22 provide mounting space for the second positioning post 23 and the contact wheel 24, forming a rotational support structure for the contact wheel 24. The left and right sides of the inner wall of each mounting slot 22 are fixedly connected to the second positioning post 23. The second positioning post 23 serves as the rotation axis of the contact wheel 24. By being fixed to the inner wall of the mounting slot 22, it provides rotational support for the contact wheel 24. The outer surface of the second positioning post 23 is rotatably connected to the contact wheel 24. The contact wheel 24 rotates around the second positioning post 23. The rotation of the two positioning pins 23 converts the linear contact force of the first contact block 21 into rolling friction, reducing damage to the packaging material. Second contact blocks 25 are fixedly connected to both the front and rear sides of the lower surface of the first contact block 21. The second contact blocks 25 assist the first contact block 21 in expanding the contact area and enhancing the positioning effect on the front and rear sides of the packaging material. A first connecting seat 9 is fixedly connected to the inner wall of the first slide groove 8. The first connecting seat 9 serves as the mounting base for the adjusting hydraulic pump 10, fixing the adjusting hydraulic pump 10 within the first slide groove 8 and transmitting hydraulic driving force. The adjusting hydraulic pump 10 is rotatably connected to the outer surface of the first connecting seat 9. The adjusting hydraulic pump 10 adapts to the angle changes during the swing of the rotating rod 20 by rotating around the first connecting seat 9, ensuring effective transmission of hydraulic driving force.An adjusting hydraulic rod 11 is fixedly connected to the output end of the adjusting hydraulic pump 10. The adjusting hydraulic rod 11 serves as the power output component of the adjusting hydraulic pump 10, driving the second hydraulic seat 12 and the first contact block 21 to move up and down through telescopic movement. The lower surface of the adjusting hydraulic rod 11 is fixedly connected to the second hydraulic seat 12, and the lower surface of the second hydraulic seat 12 is fixedly connected to the first contact block 21. The second hydraulic seat 12 transmits the driving force of the adjusting hydraulic rod 11 to the first contact block 21, and simultaneously acts as a connecting hub to ensure synchronized movements. A cutting groove 26 is provided inside the operating platform 1, providing a downward cutting channel for the cutting blade 16. Its size adaptation ensures that the cutting blade 16 can accurately cut into the packaging material and complete the sealing cut.

[0024] There are two first sliding grooves 8, which are symmetrically arranged on the front and rear sides of the mounting plate 7. The symmetrical arrangement of the two first sliding grooves 8 ensures that the driving force of the adjusting hydraulic pump 10 is evenly applied to the front and rear sides of the mounting plate 7, ensuring the balance of the movement of the first abutment block 21. The interior of the mounting groove 22 is connected to the upper and lower surfaces of the first abutment block 21. The vertically connected mounting groove 22 allows the abutment wheel 24 to pass through the first abutment block 21, ensuring that its lower end can effectively contact the packaging material and achieve rolling abutment. There are four correction grooves 13, which correspond to the rotating block 18 assemblies on the left and right sides of the mounting plate 7, respectively. The symmetrical distribution improves the abutment mechanism. To ensure the stability and alignment of the structure, a fixing component is provided on the outer surface of the operating platform 1. This fixing component includes columns 2, a controller 4, and a housing 3. Through the combination of columns 2, controller 4, and housing 3, the fixing component provides structural support, a control center, and a protective shell for the entire heat sealing mechanism. Columns 2 are fixedly connected to the four corners of the lower surface of the operating platform 1, and these columns extend to the upper surface of the operating platform 1. The columns 2 serve as support legs for the mechanism, extending from the lower to the upper surface of the operating platform 1, providing a vertical support path for the housing 3 and the mounting plate 7. The housing 3 is fixedly connected to the upper surface of each of the four columns 2. The housing 3, by being fixed to the upper surface of the columns 2, forms a support structure. The protective housing for key components such as the internal lifting hydraulic pump 5 also serves as the mounting base for the lifting hydraulic pump 5. A controller 4 is fixedly connected to the front surface of the housing 3, located on the front surface of the mounting plate 7. The controller 4 is mounted on the front surface of the housing 3 and directly opposite the mounting plate 7, facilitating intuitive operation and real-time monitoring of the heat-sealing mechanism's running status by the operator. Four columns 2 are located at the four internal corners of the housing 3. This arrangement of the columns 2 at the four internal corners ensures a uniform distribution of the weight of the housing 3 and the stress on the internal components, enhancing the structural stability of the entire mechanism. The outer surfaces of the four columns 2 are slidably connected to the mounting plate 7. The mounting plate 7 slides against the outer surfaces of the columns 2. The system achieves stable vertical lifting under the drive of the lifting hydraulic rod 6. The column 2 serves as both guide and support. The upper surface of the operating platform 1 is equipped with working components, including the lifting hydraulic pump 5, the lifting hydraulic rod 6, the processing block 15, the cutting blade 16, and the resistance heating block 17. The working components integrate lifting drive, heating sealing, and cutting functions. The core process steps of heat sealing are completed through the coordinated action of each component. The lifting hydraulic pump 5 is fixedly connected to the top of the inner surface of the outer shell 3. The lifting hydraulic pump 5 is fixed to the top of the inner surface of the outer shell 3. Through the upward force installation method, the lifting drive force is vertically transmitted to the lifting hydraulic rod 6 and the mounting plate 7.

[0025] A lifting hydraulic rod 6 is fixedly connected to the output end of the lifting hydraulic pump 5. The lifting hydraulic rod 6 serves as the power output component of the lifting hydraulic pump 5, driving the mounting plate 7 and its components such as the processing block 15 and cutting blade 16 to move up and down through telescopic movement, thus switching the heat sealing station. A processing block 15 is fixedly connected to the center of the lower surface of the mounting plate 7, serving as the mounting carrier for the resistance heating block 17 and the cutting blade 16, ensuring the positional accuracy of the heating and cutting components. Resistance heating blocks 17 are fixedly connected to both the front and rear sides of the lower surface of the processing block 15, symmetrically distributed on both sides of the cutting blade 16, simultaneously heating both sides of the packaging material during heat sealing to maintain... To ensure uniform sealing temperature, a cutting blade 16 is positioned between two resistance heating blocks 17. The cutting blade 16 cuts immediately after the heating and sealing process is completed, achieving a seamless connection between sealing and cutting. The lower surface of the lifting hydraulic rod 6 is fixedly connected to the mounting plate 7. The lifting hydraulic rod 6 is fixed to the mounting plate 7 at its lower end, directly transmitting the lifting driving force to the mounting plate 7, causing all components below it to rise and fall synchronously, ensuring consistent action. The size of the cutting blade 16 matches the size of the blade groove 26, ensuring that the cutting blade 16 accurately embeds into the blade groove 26 when descending, achieving precise cutting of the packaging material and avoiding burrs or incomplete cutting.

[0026] Working principle: First, the packaging material to be sealed is placed on the operating platform 1 and aligned to the predetermined sealing position. The operator starts the adjusting hydraulic pump 10 through the controller 4. The adjusting hydraulic rod 11 output by the pump extends downward, pushing the second hydraulic seat 12 and the first abutment block 21 downward. The first abutment block 21 drives the lower end of the rotating rod 20 to move downward. Since the rotating rod 20 is hinged to the rotating block 18 through the connecting column 19, the rotating block 18 rotates around the first positioning column 14, causing the rotating rod 20 to swing inward. This drives the first abutment block 21 and the second abutment block 25 and the abutment wheel 24 below it to press down synchronously. The abutment wheel 24 contacts the surface of the packaging material, using rolling friction to reduce the downward pressure resistance. At the same time, the first abutment block 21 and the second abutment block 25 cooperate to press the two sides of the material. The symmetrically distributed correction groove 13 and the first sliding groove 8 ensure uniform pressing force and achieve material positioning. After positioning is completed, the controller 4 triggers the lifting hydraulic pump 5 to start. Rod 6 extends downwards, pushing mounting plate 7 vertically downwards along column 2. Mounting plate 7 drives processing block 15, resistance heating block 17, and cutting blade 16 to descend synchronously. Resistance heating block 17 first contacts the packaging material, heating and melting the sealing area. As mounting plate 7 continues to descend, cutting blade 16 cuts into the packaging material. Because the size of the blade groove 26 matches the cutting blade 16, the cutting path is accurate, completing the sealing and cutting processes simultaneously. During the heating process, the temperature of resistance heating block 17 is monitored and adjusted in real time by controller 4 to ensure stable sealing quality. After sealing and cutting are completed, lifting hydraulic pump 5 drives lifting hydraulic rod 6 to retract, driving mounting plate 7 and heating and cutting components back to the initial high position. Adjusting hydraulic pump 10 synchronously controls adjusting hydraulic rod 11 to retract. Through the linkage of rotating rod 20 and rotating block 18, the first contact block 21 and contact wheel 24 move upwards to loosen the packaging material. The operator takes out the sealed package, completing one work cycle.

[0027] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A heat sealing mechanism for a food packaging machine, comprising: The operating platform (1), working components, and fixing components are characterized in that: an installation plate (7) is provided on the upper surface of the operating platform (1), and two correction grooves (13) are opened on the left and right sides of the lower surface of the installation plate (7). A first sliding groove (8) is provided between the two correction grooves (13), and the interior of the first sliding groove (8) is connected to the upper and lower surfaces of the installation plate (7). A first positioning column (14) is fixedly connected to the left and right sides of the inner wall of the two correction grooves (13). A rotating block (18) is rotatably connected to the outer surface of the first positioning column (14). A connecting column (19) is fixedly connected to the side wall of the rotating block (18). A rotating rod (20) is rotatably connected to the outer surface of the connecting column (19). A first abutting block (21) is fixedly connected to the lower surface of the rotating rod (20). The interior is provided with several mounting slots (22). Each mounting slot (22) has a second positioning column (23) fixedly connected to the left and right sides of its inner wall. The outer surface of the second positioning column (23) is rotatably connected to a contact wheel (24). The lower surface of the first contact block (21) is fixedly connected to the front and rear sides of the second contact block (25). The inner wall of the first slide (8) is fixedly connected to a first connecting seat (9). The outer surface of the first connecting seat (9) is rotatably connected to an adjusting hydraulic pump (10). The output end of the adjusting hydraulic pump (10) is fixedly connected to an adjusting hydraulic rod (11). The lower surface of the adjusting hydraulic rod (11) is fixedly connected to a second hydraulic seat (12). The lower surface of the second hydraulic seat (12) is fixedly connected to the first contact block (21). The operating platform (1) is provided with a knife groove (26).

2. The heat sealing mechanism of a food packaging machine according to claim 1, characterized in that: There are two first grooves (8), and the two first grooves (8) are symmetrically arranged on the front and rear sides of the mounting plate (7).

3. The heat sealing mechanism of a food packaging machine according to claim 1, characterized in that: The interior of the mounting groove (22) is connected to the upper and lower surfaces of the first contact block (21), and the number of the correction grooves (13) is four.

4. The heat sealing mechanism of a food packaging machine according to claim 1, characterized in that: The outer surface of the operating platform (1) is provided with a fixing component, which includes a column (2), a controller (4) and a shell (3). The four corners of the lower surface of the operating platform (1) are fixedly connected with columns (2), and the columns (2) extend to the upper surface of the operating platform (1). The upper surfaces of the four columns (2) are fixedly connected with shells (3), and the front surface of the shells (3) is fixedly connected with a controller (4).

5. A food packaging machine heat seal mechanism according to claim 4 wherein: The controller (4) is located on the front surface of the mounting plate (7), and the four pillars (2) are located at the four corners inside the outer shell (3). The outer surfaces of the four pillars (2) are slidably connected to the mounting plate (7).

6. The heat sealing mechanism of a food packaging machine according to claim 4, characterized in that: The upper surface of the operating platform (1) is provided with working components, including a lifting hydraulic pump (5), a lifting hydraulic rod (6), a processing block (15), a cutting blade (16), and a resistance heating block (17). The lifting hydraulic pump (5) is fixedly connected to the top of the inner surface of the outer shell (3). The output end of the lifting hydraulic pump (5) is fixedly connected to the lifting hydraulic rod (6). The processing block (15) is fixedly connected to the middle of the lower surface of the mounting plate (7). Resistance heating blocks (17) are fixedly connected to both the front and rear sides of the lower surface of the processing block (15). A cutting blade (16) is provided between the two resistance heating blocks (17).

7. The heat sealing mechanism of a food packaging machine according to claim 6, characterized in that: The lower surface of the lifting hydraulic rod (6) is fixedly connected to the mounting plate (7), and the size of the cutting blade (16) is compatible with the size of the blade groove (26).

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