A pneumatic sealing machine with double pressure head alternate working structure

Abstract

The utility model belongs to pneumatic sealing machine technical field, concretely relates to a pneumatic sealing machine with double pressure head alternate work structure, including frame, the top end inclined surface of frame is connected with control panel, the front end of frame is connected with the docking block through the pneumatic cylinder lift, the front end of docking block is connected with the mounting frame, the inside rotation of mounting frame is connected with pressure head subassembly, the top end of frame is connected with heating mechanism. The utility model through the collaborative coordination between mounting frame, connecting block, rotating shaft, servo motor and bearing seat, operating personnel can install first pressure head and second pressure head respectively to the two side walls of connecting block, in this way, connecting block can realize the alternate use of first pressure head and second pressure head with the rotation of rotating shaft, adopt such pressure head subassembly, can avoid the time difference that needs to experience cooling or heating to be able to use again when using single pressure head, thereby significantly improve processing efficiency.

Description

Technical Field

[0001] This utility model belongs to the technical field of pneumatic sealing machines, specifically relating to a pneumatic sealing machine with a dual-pressure head alternating working structure. Background Technology

[0002] Pneumatic sealing machines, as a typical pneumatic-electric integrated packaging equipment, use compressed air as a power source. They melt and fuse the packaging material through heating elements, achieving efficient sealing. They are widely used in the food, hardware, and chemical industries. Their working principle is as follows: the pneumatic system drives a single pressure head to descend, tightly pressing the packaging material between the heating element and the lower sealing seat; the heating element, when energized, heats up and melts the packaging material. After a preset sealing time (usually 1-5 seconds, depending on the material thickness), the pressure head rises and returns to its original position, completing the sealing process. Some high-end models are also equipped with a cooling device to accelerate cooling and shaping at the seal, further improving sealing quality.

[0003] However, traditional pneumatic sealing machines generally adopt a single pressure head design, with a working cycle of "pressing down-holding pressure-resetting" in a serial manner. Because the pressure head needs to undergo a cooling or reheating process after completing one sealing cycle, there is a significant standby interval in the equipment. This intermittent working mode greatly reduces the overall processing efficiency of the equipment, making it difficult to meet the demands of modern production lines for continuous and efficient operation. Utility Model Content

[0004] The purpose of this invention is to provide a pneumatic sealing machine with a dual-head alternating working structure, aiming to solve the problem that existing traditional pneumatic sealing machines generally adopt a single-head design, with a working cycle of "pressing down-holding pressure-resetting" in a serial manner. Because the pressure head needs to undergo a cooling or reheating process after completing one sealing cycle, there is a significant standby interval in the equipment. This intermittent working mode greatly reduces the overall processing efficiency of the equipment, making it difficult to meet the needs of modern production lines for continuous and efficient operation.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a pneumatic sealing machine with a dual-head alternating working structure, comprising a frame, a control panel connected to the top inclined surface of the frame, a docking block connected to the front end of the frame via a cylinder for lifting, an installation frame connected to the front end of the docking block, a pressure head assembly rotatably connected inside the installation frame, a heating mechanism connected to the top end of the frame, the heating mechanism being located at the bottom end of the pressure head assembly, the pressure head assembly being composed of a first pressure head and a second pressure head, a rotating shaft penetrating inside the installation frame, a servo motor connected to the front end of the installation frame, a bearing seat installed at the back end of the installation frame, a connecting block fixedly connected to the surface of the rotating shaft, and the two side walls of the connecting block being connected to the first pressure head and the second pressure head respectively.

[0006] As a preferred embodiment of the pneumatic sealing machine with a dual-head alternating working structure of this utility model, the output shaft of the servo motor passes through the mounting frame and is connected to one end of the rotating shaft, and the other end of the rotating shaft is connected to the bearing seat. The rotating shaft can be rotatably connected to the mounting frame through the bearing seat.

[0007] As a preferred embodiment of the pneumatic sealing machine with a dual-head alternating working structure of the present invention, the first and second pressure heads can be connected to the mounting frame in a flip-over manner through a connecting block and a rotating shaft.

[0008] As a preferred embodiment of the pneumatic sealing machine with a dual-pressure head alternating working structure of this utility model, the surface of the mounting frame is provided with a through hole for selecting the pressure head assembly.

[0009] As a preferred embodiment of the pneumatic sealing machine with a dual-head alternating working structure of this utility model, the front end of the frame is connected to two symmetrical rectangular blocks, a connecting rod is fixedly connected between the two rectangular blocks, and a support plate is rotatably connected to the surface of the connecting rod.

[0010] As a preferred embodiment of the pneumatic sealing machine with a dual-head alternating working structure of this utility model, a fixing block is connected to the outer wall of one of the rectangular blocks, a spring is assembled inside the fixing block, a limit post is connected to one end of the spring, a lever is connected to the surface of the limit post, and a plug-in block is connected to the side wall of the support plate. The limit post can be elastically engaged with the plug-in block through the spring and the lever.

[0011] As a preferred embodiment of the pneumatic sealing machine with a dual-head alternating working structure of this utility model, the outer side wall of the other rectangular block is connected to a protrusion, and a bolt is threaded through the surface of the protrusion. The side wall of the support plate is connected to a mounting block, and the bolt threaded through the protrusion and threadedly connected to the mounting block.

[0012] Compared with the prior art, the beneficial effects of this utility model are: By coordinating the mounting frame, connecting block, rotating shaft, servo motor, and bearing housing, the operator can install the first and second pressure heads onto the two side walls of the connecting block respectively. In this way, the connecting block can achieve the alternating use of the first and second pressure heads by means of the rotation of the rotating shaft. Using such a pressure head assembly can avoid the time difference that requires cooling or heating before reuse when using a single pressure head, thereby significantly improving processing efficiency.

[0013] Through the cooperation of rectangular blocks, connecting rods, fixing blocks, springs, limiting posts, toggle blocks, plug-in blocks, protrusions, bolts, and mounting blocks, the support plate can be flipped and stored when not in use, avoiding the support plate being placed at the front of the equipment and increasing the floor space. Attached Figure Description

[0014] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings: Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a sectional view of the installation frame structure of this utility model; Figure 3 This is a schematic diagram of the support plate connection structure of this utility model; Figure 4 This utility model Figure 3 Enlarged structural diagram at point A in the diagram; Figure 5 This utility model Figure 3 A magnified structural diagram at point B in the diagram.

[0015] In the diagram: 1. Frame; 2. Control panel; 3. Press head assembly; 301. First press head; 302. Second press head; 4. Heating mechanism; 5. Mounting frame; 6. Connecting block; 7. Rotating shaft; 8. Servo motor; 9. Bearing seat; 10. Connecting block; 11. Support plate; 12. Rectangular block; 13. Connecting rod; 14. Fixing block; 15. Spring; 16. Limiting post; 17. Pulling block; 18. Insertion block; 19. Protrusion; 20. Bolt; 21. Mounting block. Detailed Implementation

[0016] 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.

[0017] Please see Figures 1-5This utility model provides the following technical solution: a pneumatic sealing machine with a dual-head alternating working structure, including a frame 1, a control panel 2 connected to the top inclined surface of the frame 1, a docking block 10 connected to the front end of the frame 1 via a cylinder for lifting, an installation frame 5 connected to the front end of the docking block 10, a pressure head assembly 3 rotatably connected inside the installation frame 5, a heating mechanism 4 connected to the top end of the frame 1, the heating mechanism 4 being located at the bottom end of the pressure head assembly 3, the pressure head assembly 3 being composed of a first pressure head 301 and a second pressure head 302, a rotating shaft 7 penetratingly connected inside the installation frame 5, a servo motor 8 connected to the front end of the installation frame 5, a bearing seat 9 installed at the back end of the installation frame 5, a connecting block 6 fixedly connected to the surface of the rotating shaft 7, and the two side walls of the connecting block 6 being connected to the first pressure head 301 and the second pressure head 302 respectively.

[0018] In practical use, the pneumatic sealing machine is composed of a frame 1, a control panel 2, a pressure head assembly 3, a heating mechanism 4, and a docking block 10. Its model is QDZ600F packaging sealing machine.

[0019] In actual operation, the opening of the packaging bag is placed between the pressing head assembly 3 and the heating mechanism 4. Then, the pressing head assembly 3 uses the docking block 10 to lift and lower, pressing the opening of the packaging bag tightly between the heating mechanism 4 and the pressing head assembly 3. Subsequently, the heat generated by the heating mechanism 4 and the pressing head assembly 3 will heat-melt and bond the opening of the packaging bag, thereby completing the sealing of the packaging bag.

[0020] It is worth noting that the heating and lifting functions of the pressure head assembly 3 and the heating function of the heating mechanism 4 are both mature technologies of the above-mentioned models of equipment, so the specific working principles will not be elaborated in detail in this article.

[0021] Preferably, the output shaft of the servo motor 8 passes through the mounting frame 5 and is connected to one end of the rotating shaft 7. The other end of the rotating shaft 7 is connected to the bearing seat 9, and the rotating shaft 7 can be rotatably connected to the mounting frame 5 through the bearing seat 9. The first pressure head 301 and the second pressure head 302 can be flipped to the mounting frame 5 through the connecting block 6 and the rotating shaft 7. The surface of the mounting frame 5 has a through hole for selecting the pressure head assembly 3.

[0022] In actual use, when the equipment is running, the operator can start the servo motor 8 through the control panel 2 which is electrically connected to the servo motor 8. Then, the output shaft of the servo motor 8 drives the rotating shaft 7 to rotate smoothly along the bearing seat 9. When the rotating shaft 7 rotates, it will drive the connecting block 6 to rotate together, and the first pressure head 301 and the second pressure head 302 connected to the connecting block 6 will also rotate accordingly.

[0023] During rotation, if the first pressure head 301 is initially located at the top of the heating mechanism 4, then after rotation, the second pressure head 302 will be located at the top of the heating mechanism 4. In this way, the first pressure head 301 and the second pressure head 302 are used alternately with the help of the connecting block 6.

[0024] By using such a pressure head assembly 3, the time difference caused by the need to undergo a cooling or heating process before reuse when using a single pressure head can be effectively avoided, thereby significantly improving processing efficiency. Specifically, when the first pressure head 301 cooperates with the heating mechanism 4 to complete the sealing operation and rises through the docking block 10, if the first pressure head 301 needs to be cooled or heated again before it can be put into use again, the second pressure head 302 can be rotated to the top of the heating mechanism 4 to continue the sealing operation of the packaging bag.

[0025] It is worth noting that the rotation angle of the servo motor 8 can just drive the first pressure head 301 and the second pressure head 302 to rotate, so that they are parallel to the top of the heating mechanism 4, and the servo motor 8 can rotate in both directions through the control panel 2.

[0026] Preferably, the front end of the frame 1 is connected to two symmetrical rectangular blocks 12, and a connecting rod 13 is fixedly connected between the two rectangular blocks 12. A support plate 11 is rotatably connected to the surface of the connecting rod 13. A fixing block 14 is connected to the outer wall of one of the rectangular blocks 12. A spring 15 is installed inside the fixing block 14. One end of the spring 15 is connected to a limit post 16. A lever 17 is connected to the surface of the limit post 16. A plug-in block 18 is connected to the side wall of the support plate 11. The limit post 16 can be elastically engaged with the plug-in block 18 through the spring 15 and the lever 17. A protrusion 19 is connected to the outer wall of the other rectangular block 12. A bolt 20 is threaded through the surface of the protrusion 19. A mounting block 21 is connected to the side wall of the support plate 11. The bolt 20 is threaded through the protrusion 19 and threadedly connected to the mounting block 21.

[0027] In actual use, the support plate 11 plays the role of supporting the packaging bag during the use of the equipment. At this time, it is parallel to the frame 1. When the equipment is idle, the operator needs to first rotate the bolt 20 to separate it from the mounting block 21. Then, the operator moves the toggle block 17, which will drive the limit post 16 to move, thereby squeezing the spring 15 and causing it to contract and deform.

[0028] As the spring 15 contracts, the limiting post 16 begins to move and extends into the fixed block 14. During the movement of the limiting post 16, it will disengage from the plug-in block 18, thus releasing the fixation of the support plate 11. After that, the support plate 11 can be flipped along the surface of the connecting rod 13, thereby achieving flipping and storage, effectively avoiding the support plate 11 being placed at the front of the equipment and occupying extra space.

[0029] Working principle: First, the operator flips the support plate 11. Then, the operator moves the lever 17, which moves the limiting post 16 and squeezes the spring 15, causing the spring 15 to contract and deform. As the spring 15 contracts, the limiting post 16 begins to move and extends into the fixed block 14, thus preventing the limiting post 16 from blocking the movement of the plug-in block 18.

[0030] Next, rotate the support plate 11 to a position parallel to the frame 1, and then release the lever 17. At this time, the compressive force on the spring 15 is released, pushing the limit post 16 to move so that the limit post 16 is inserted into the opening of the plug block 18. Then, take out the bolt 20 and screw it into the protrusion 19, and then let the bolt 20 pass through the protrusion 19 and connect with the mounting block 21, thus completing the fixing of the support plate 11.

[0031] After the support plate 11 is fixed, the operator starts the equipment using the control panel 2 and keeps it in a waiting state. Then, the packaging bag is placed on the support plate 11, and the opening of the packaging bag is placed between the pressure head assembly 3 and the heating mechanism 4. Then, the pressure head assembly 3 uses the docking block 10 to lift and lower, pressing the opening of the packaging bag tightly between the heating mechanism 4 and the pressure head assembly 3. Then, the heat generated by the heating mechanism 4 and the pressure head assembly 3 heat-melts and seals the opening of the packaging bag, thereby completing the sealing of the packaging bag.

[0032] After sealing is completed, the operator can start the servo motor 8 through the control panel 2 which is electrically connected to the servo motor 8. The output shaft of the servo motor 8 drives the rotating shaft 7 to rotate smoothly along the bearing seat 9. When the rotating shaft 7 rotates, it will drive the connecting block 6 to rotate together. The first pressure head 301 and the second pressure head 302 connected to the connecting block 6 will also rotate accordingly.

[0033] During the rotation, if the first pressure head 301 is initially located at the top of the heating mechanism 4, then after rotation, the second pressure head 302 will be located at the top of the heating mechanism 4. Then the second pressure head 302 will descend and cooperate with the heating mechanism 4 to seal the opening. In this way, the first pressure head 301 and the second pressure head 302 can be used alternately with the help of the connecting block 6.

[0034] By using such a pressure head assembly 3, the time difference caused by the need to undergo a cooling or heating process before reuse when using a single pressure head can be effectively avoided, thereby significantly improving processing efficiency. Specifically, when the first pressure head 301 cooperates with the heating mechanism 4 to complete the sealing operation and rises through the docking block 10, if the first pressure head 301 needs to be cooled or heated again before it can be put into use again, the second pressure head 302 can be rotated to the top of the heating mechanism 4 to continue the sealing operation of the packaging bag.

[0035] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A pneumatic sealing machine with a dual-pressure head alternating working structure, comprising a frame (1), characterized in that: The top inclined surface of the frame (1) is connected to a control panel (2), the front end of the frame (1) is connected to a docking block (10) via a cylinder for lifting, the front end of the docking block (10) is connected to an installation frame (5), the inside of the installation frame (5) is rotatably connected to a pressure head assembly (3), the top of the frame (1) is connected to a heating mechanism (4), and the heating mechanism (4) is located at the bottom end of the pressure head assembly (3). The pressure head assembly (3) is composed of a first pressure head (301) and a second pressure head (302); The mounting frame (5) has a rotating shaft (7) that runs through its interior. A servo motor (8) is connected to the front end of the mounting frame (5). A bearing seat (9) is installed at the back end of the mounting frame (5). A connecting block (6) is fixedly connected to the surface of the rotating shaft (7). The two side walls of the connecting block (6) are connected to the first pressure head (301) and the second pressure head (302) respectively.

2. A pneumatic sealing machine with a dual-pressure-head alternating working structure according to claim 1, characterized in that: The output shaft of the servo motor (8) passes through the mounting frame (5) and is connected to one end of the rotating shaft (7). The other end of the rotating shaft (7) is connected to the bearing seat (9). The rotating shaft (7) can be rotatably connected to the mounting frame (5) through the bearing seat (9).

3. A pneumatic sealing machine with a dual-pressure-head alternating working structure according to claim 1, characterized in that: The first pressure head (301) and the second pressure head (302) can be connected to the mounting frame (5) by means of the connecting block (6) and the rotating shaft (7).

4. A pneumatic sealing machine with a dual-pressure-head alternating working structure according to claim 1, characterized in that: The mounting frame (5) has through holes on its surface for selecting the pressure head assembly (3).

5. A pneumatic sealing machine with a dual-pressure-head alternating working structure according to claim 1, characterized in that: The front end of the frame (1) is connected to two symmetrical rectangular blocks (12), and a connecting rod (13) is fixedly connected between the two rectangular blocks (12). A support plate (11) is rotatably connected to the surface of the connecting rod (13).

6. A pneumatic sealing machine with a dual-pressure-head alternating working structure according to claim 5, characterized in that: One of the rectangular blocks (12) has a fixing block (14) connected to its outer side wall. A spring (15) is installed inside the fixing block (14). One end of the spring (15) is connected to a limiting post (16). A lever (17) is connected to the surface of the limiting post (16). A plug-in block (18) is connected to the side wall of the support plate (11). The limiting post (16) can be elastically engaged with the plug-in block (18) through the spring (15) and the lever (17).

7. A pneumatic sealing machine with a dual-pressure-head alternating working structure according to claim 5, characterized in that: Another rectangular block (12) has a protrusion (19) connected to its outer side wall. The surface of the protrusion (19) is threaded through and connected to a bolt (20). The side wall of the support plate (11) is connected to a mounting block (21). The bolt (20) is threaded through the protrusion (19) and threadedly connected to the mounting block (21).

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