Vacuum bag manufacturing bag waste winding mechanism

Abstract

The utility model relates to vacuum bag making waste edge winding technical field, concretely discloses a kind of vacuum bag making waste edge winding mechanism, including bottom plate and reel, the upside of bottom plate is provided with auxiliary loading and unloading mechanism, hold-down mechanism and guide mechanism, auxiliary loading and unloading mechanism includes the first box body fixedly connected on the upper end of bottom plate, the upper end of first box body is rotatably connected with steering column, the inside of first box body is equipped with the motor with the fixed connection of output end and steering column;Different length specifications reel can be adapted to, to meet the different needs of reel length caused by the production batch, substrate width and bag making speed difference resulting in waste edge production variation, positioning shaft and reel are driven by motor and rotated clockwise with steering column to appropriate position, reel can be directly removed, whole process does not need to rely on taper sleeve, chuck and other components to manually fasten or disassemble, loading and unloading reel is simple and convenient to operate, effectively reduces the downtime adjustment time, improves overall production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of vacuum bag manufacturing waste edge winding technology, and specifically discloses a vacuum bag manufacturing waste edge winding mechanism. Background Technology

[0002] Vacuum bag making refers to the process of processing polyethylene, polypropylene, and other polymer film substrates into vacuum-sealed packaging bags using bag-making equipment through cutting, heat sealing, and forming. These vacuum bags, with their excellent moisture-proof, oxidation-proof, pollution-proof, and preservation properties, are widely used in food processing, pharmaceutical storage, and electronic component protection. During vacuum bag production, to ensure dimensional accuracy and sealing performance, excess edge waste is generated during the cutting and forming of the substrate. If this waste is not treated promptly, it will not only accumulate on the production site, causing environmental clutter, but may also entangle the transmission components of the bag-making equipment, leading to malfunctions. Furthermore, since the waste is a recyclable polymer material, it needs to be collected and wound up for reuse. Therefore, a waste edge winding mechanism is required in the vacuum bag production line.

[0003] In existing vacuum bag manufacturing waste edge winding technology, the roll, as the load-bearing component for the waste edge, is typically fixed manually using components such as cone sleeves and chucks to achieve axial limiting and radial fixation of the roll. However, this method has the following drawbacks in practice: On the one hand, the existing winding devices are mostly designed with fixed structures, and the winding devices can usually only be adapted to one type of roll length. However, in actual production, the length of the roll needs to be determined according to the amount of waste generated. For example, when the production batch is large, the substrate width is wide, or the bag making speed is fast, the amount of waste generated increases accordingly, and a longer roll needs to be selected to avoid frequent roll changes. When the production batch is small and the amount of waste generated is small, a shorter roll needs to be selected to reduce the space occupied by the equipment. The roll adaptability defects of the existing devices make it difficult for them to flexibly meet the needs of different production conditions.

[0004] On the other hand, manually fastening the drum using a cone sleeve and chuck requires operators to repeatedly adjust the position of the cone sleeve, tighten the chuck bolts, or loosen the fastening components during the assembly and disassembly of the drum. This process is cumbersome and time-consuming, which significantly reduces overall production efficiency.

[0005] Therefore, a vacuum bag manufacturing waste edge winding mechanism is needed to solve the above problems. Utility Model Content

[0006] This utility model proposes a waste edge winding mechanism for vacuum bag making, which can adapt to rolls of different lengths to meet the different requirements for roll length due to variations in waste edge generation caused by differences in production batches, substrate width, and bag making speed. This allows for flexible handling of various production conditions. At the same time, this mechanism eliminates the need for manual tightening operations using components such as cone sleeves and chucks during roll loading and unloading, simplifying the process and effectively improving overall production efficiency.

[0007] This utility model is implemented as follows: a vacuum bag making waste edge winding mechanism includes a base plate and a roll, and an auxiliary loading and unloading mechanism, a pressing mechanism and a guiding mechanism are provided on the upper side of the base plate. The auxiliary loading and unloading mechanism includes a first housing fixedly connected to the upper end of the base plate, a steering column rotatably connected to the upper end of the first housing, a motor whose output end is fixedly connected to the steering column installed inside the first housing, a second housing fixedly connected to the upper end of the steering column, a turntable rotatably connected to the left end of the second housing, a first drive motor whose output end is fixedly connected to the turntable installed inside the second housing, a baffle fixedly connected to the left end of the turntable, and a positioning shaft passing through the inside of the roll fixedly connected to the left end of the baffle. The clamping mechanism includes a fixed plate fixedly connected to the upper end of the base plate. An electric push rod is installed at the left end of the fixed plate, and a movable seat is provided on the right side of the fixed plate. A pressure sensor is fixedly connected between the output end of the electric push rod, the fixed plate, and the movable seat. A movable disk is fixedly connected to the upper end of the movable seat. A through hole is provided through the outer wall of the movable disk. The positioning shaft passes through the through hole. An annular groove is provided on the inner wall of the through hole. An extrusion ring is rotatably connected to the inside of the annular groove through a bearing. The drum abuts against the extrusion ring and the baffle.

[0008] As a preferred embodiment of the vacuum bag making waste edge winding mechanism of this utility model, the guiding mechanism includes a third housing located in front of the roll, a lead screw rotatably connected inside the third housing, a second drive motor whose output end is fixedly connected to the lead screw installed on the outer wall of the third housing, a moving block threadedly connected to the outer wall of the lead screw, a through groove through the lower end of the third housing, a connecting plate fixedly connected to the lower end of the moving block passing through the through groove, a connecting rod fixedly connected to the lower end of the connecting plate, and a guide ring fixedly connected to the lower end of the connecting rod.

[0009] As a preferred embodiment of the vacuum bag making waste edge winding mechanism of this utility model, the outer wall of the fixed plate is equipped with an operation panel and a controller.

[0010] As a preferred embodiment of the vacuum bag making waste edge winding mechanism of this utility model, a slide rail is installed on the upper end of the base plate, and the movable seat is slidably connected to the slide rail.

[0011] In a preferred embodiment of the vacuum bag making waste edge winding mechanism of this utility model, the motor is a stepper worm gear reducer motor, and the electric push rod is a worm gear electric push rod.

[0012] As a preferred embodiment of the vacuum bag making waste edge winding mechanism of this utility model, the inner wall of the third box has two sliding grooves, and the interior of each of the two sliding grooves is slidably connected to a slider that is fixedly connected to the moving block.

[0013] As a preferred embodiment of the vacuum bag making waste edge winding mechanism of this utility model, two support plates are fixedly connected between the bottom plate and the third box.

[0014] The beneficial effects of this utility model are: 1. Before the waste edge winding operation, the roll is positioned by a positioning shaft, and the steering column is driven by a motor to rotate counterclockwise, aligning the positioning shaft with the through hole on the moving disc. Then, the electric push rod pushes the moving disc to the right, causing the positioning shaft to pass through the hole until the extrusion ring is pressed tightly against the end of the roll. A pressure sensor monitors the pressure in real time and feeds it back to the controller. The electric push rod automatically stops when the set value is reached, preventing damage to the roll due to excessive pressure and avoiding loosening due to insufficient pressure. This structure allows for flexible adjustment of the distance between the moving disc and the baffle via the electric push rod, adapting to rolls of different lengths to meet varying roll length requirements caused by differences in production batches, substrate width, and bag-making speed, thus flexibly handling various production conditions.

[0015] 2. After entering the winding operation, the first drive motor drives the turntable, baffle, positioning shaft, and drum to rotate together, realizing the winding of waste edges. At the same time, the guiding mechanism ensures that the waste edges are evenly wound. During unwinding, the electric pusher drives the moving disc to the left to exit the positioning shaft. Then, the motor drives the positioning shaft and drum to rotate clockwise with the steering column to the appropriate position, and the drum can be directly removed. The entire process does not require manual tightening or disassembly using components such as cone sleeves and chucks. The operation of loading and unloading is simple and convenient, effectively reducing downtime for adjustment and improving overall production efficiency. Attached Figure Description

[0016] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0017] Figure 1 This is a front sectional view of the waste edge winding mechanism for vacuum bag making according to this utility model; Figure 2 For the present utility model Figure 1 Enlarged view of point A in the middle; Figure 3 This is a cross-sectional view of the entire utility model from the left side. Figure 4 This is a structural diagram of the support plate of this utility model; Figure 5 This is a structural diagram of the movable seat of this utility model.

[0018] The markings in the diagram are: 1. Base plate; 2. Drum; 3. First housing; 4. Steering column; 5. Motor; 6. Second housing; 7. Turntable; 8. Positioning shaft; 9. Baffle; 10. First drive motor; 11. Fixing plate; 12. Electric actuator; 13. Moving seat; 14. Pressure sensor; 15. Moving disk; 16. Through hole; 17. Annular groove; 18. Bearing; 19. Extrusion ring; 20. Operation panel; 21. Controller; 22. Support plate; 23. Third housing; 24. Moving block; 25. Lead screw; 26. Second drive motor; 27. Connecting plate; 28. Connecting rod; 29. ​​Guide ring. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings and specific embodiments to aid in understanding its content. Unless otherwise specified, the methods used in this invention are conventional methods; the raw materials and apparatus used, unless otherwise specified, are conventional commercially available products.

[0020] Please see Figure 1-5 A vacuum bag making waste edge winding mechanism includes a base plate 1 and a roll 2. An auxiliary loading and unloading mechanism, a pressing mechanism and a guiding mechanism are provided on the upper side of the base plate 1. The auxiliary loading and unloading mechanism includes a first housing 3 fixedly connected to the upper end of the base plate 1. A steering column 4 is rotatably connected to the upper end of the first housing 3. A motor 5 with its output end fixedly connected to the steering column 4 is installed inside the first housing 3. A second housing 6 is fixedly connected to the upper end of the steering column 4. A turntable 7 is rotatably connected to the left end of the second housing 6. A first drive motor 10 with its output end fixedly connected to the turntable 7 is installed inside the second housing 6. A baffle 9 is fixedly connected to the left end of the turntable 7. A positioning shaft 8 passing through the inside of the drum 2 is fixedly connected to the left end of the baffle 9. The clamping mechanism includes a fixed plate 11 fixedly connected to the upper end of the base plate 1. An electric push rod 12 is installed on the left end of the fixed plate 11. A movable seat 13 is provided on the right side of the fixed plate 11. A pressure sensor 14 is fixedly connected between the output end of the electric push rod 12, the fixed plate 11, and the movable seat 13. A movable disk 15 is fixedly connected to the upper end of the movable seat 13. A through hole 16 is provided through the outer wall of the movable disk 15. A positioning shaft 8 is provided inside the through hole 16. An annular groove 17 is provided on the inner wall of the through hole 16. An extrusion ring 19 is rotatably connected inside the annular groove 17 through a bearing 18. A drum 2 abuts against the extrusion ring 19 and the baffle 9.

[0021] In this embodiment: Before the waste edge winding operation, the roll 2 is first placed on the outer wall of the positioning shaft 8, and the roll 2 is brought into contact with the baffle 9. The positioning shaft 8 is used to position the roll 2. Then, the installation and fixing of the roll 2 are completed by the auxiliary loading and unloading mechanism and the pressing mechanism. During operation, the motor 5 is started. The output end of the motor 5 drives the steering column 4 to rotate counterclockwise from the top view, which drives the second housing 6, turntable 7, baffle 9, positioning shaft 8 and roll 2 to rotate until the positioning shaft 8 is aligned with the through hole 16. Then, the electric push rod 12 pushes the moving seat 13 and the moving disk 15 to the right through the pressure sensor 14, so that the positioning shaft 8 passes through the through hole 16 of the moving disk 15 until the extrusion ring 19 is pressed against the left end of the roll 2. At this time, the pressure sensor 14 can monitor the extrusion force in real time and transmit the signal to the controller 21. When the extrusion force reaches the preset value, the controller 21 controls the electric push rod 12 to stop moving to avoid damage to the roll 2 due to excessive pressure or loosening of the roll 2 due to insufficient pressure. During this process, the distance between the moving plate 15 and the baffle 9 can be flexibly adjusted by the electric push rod 12, which can adapt to rolls 2 of different lengths to meet the different requirements for the length of roll 2 caused by the changes in the amount of waste generated due to differences in production batches, substrate width and bag making speed, and thus flexibly cope with various production conditions. When entering the waste edge winding stage, the first drive motor 10 is started. The output end of the first drive motor 10 drives the turntable 7 to rotate. The turntable 7 synchronously drives the baffle 9, the positioning shaft 8 and the fixed drum 2 to rotate. The drum 2 begins to wind up the waste edge. At the same time, the guiding mechanism makes the waste edge evenly wrapped on the drum 2 to avoid waste edge accumulation or deviation.

[0022] When it is necessary to disassemble a fully wound roll 2, the electric push rod 12 drives the moving plate 15 and the extrusion ring 19 to reset to the left, so that the positioning shaft 8 is completely disengaged from the through hole 16 of the moving plate 15. Then, the motor 5 drives the second housing 6, turntable 7, baffle 9, positioning shaft 8 and roll 2 to rotate clockwise to the appropriate position from a top-down view along with the steering column 4, so that the roll 2 can be directly removed. The entire process does not require manual fastening or disassembly using components such as cone sleeves and chucks. The operation is simple and convenient when loading and unloading rolls, effectively reducing downtime for adjustment and improving overall production efficiency.

[0023] As a technical optimization of this utility model, the guiding mechanism includes a third housing 23 located in front of the drum 2. A lead screw 25 is rotatably connected inside the third housing 23. A second drive motor 26 with its output end fixedly connected to the lead screw 25 is installed on the outer wall of the third housing 23. A moving block 24 is threadedly connected to the outer wall of the lead screw 25. A through groove is opened through the lower end of the third housing 23. A connecting plate 27 passing through the through groove is fixedly connected to the lower end of the moving block 24. A connecting rod 28 is fixedly connected to the lower end of the connecting plate 27. A guide ring 29 is fixedly connected to the lower end of the connecting rod 28.

[0024] In this embodiment: during the waste edge winding process, the second drive motor 26 is started. The output end of the second drive motor 26 drives the lead screw 25 to rotate, which in turn causes the moving block 24 to move, the connecting plate 27, the connecting rod 28 and the guide ring 29 to move. After the waste edge passes through the guide ring 29, it is guided to the outer wall of the drum 2. Through the reciprocating movement of the guide ring 29, the waste edge is evenly wound on the drum 2, avoiding the accumulation or deviation of the waste edge.

[0025] As a technical optimization of this utility model, the outer wall of the fixing plate 11 is equipped with an operation panel 20 and a controller 21.

[0026] In this embodiment: the operation panel 20 and the controller 21 work together to achieve parameter control and signal processing. The operator inputs the operating parameters of the motor 5, the first drive motor 10, the electric actuator 12 and the second drive motor 26 through the operation panel 20, and transmits the signals to the controller 21. The controller 21 controls the operation of the motor 5, the first drive motor 10, the electric actuator 12 and the second drive motor 26. At the same time, the controller 21 receives the feedback signal from the pressure sensor 14 and controls the operating status of the electric actuator 12.

[0027] As a technical optimization of this utility model, a slide rail is installed on the upper end of the base plate 1, and the movable seat 13 is slidably connected to the slide rail.

[0028] In this embodiment: when the output end of the electric actuator 12 pushes the movable seat 13 through the pressure sensor 14, the movable seat 13 is slidably connected to the slide rail installed on the upper end of the base plate 1, thereby improving the stability of the movable seat 13.

[0029] As a technical optimization of this utility model, motor 5 is a stepper worm gear reducer motor, and electric push rod 12 is a worm gear electric push rod.

[0030] In this embodiment: the motor 5 is a stepper worm gear reducer motor, which can lock the position of the steering column 4 when the motor 5 is not running; and the electric push rod 12 is a worm gear electric push rod, which can prevent the moving seat 13 from moving when the electric push rod 12 is not running.

[0031] As a technical optimization of this utility model, the inner wall of the third box 23 is provided with two sliding grooves, and the sliding grooves are slidably connected to the sliders fixedly connected to the moving block 24.

[0032] In this embodiment, the stability of the movement of the moving block 24 is improved by setting two grooves and two sliders.

[0033] As a technical optimization of this utility model, two support plates 22 are fixedly connected between the base plate 1 and the third box 23.

[0034] In this embodiment, by setting two support plates 22, the third box 23 is provided with support and fixation.

[0035] The working principle and usage process of this utility model are as follows: Before the waste edge winding operation, the roll 2 is first placed on the outer wall of the positioning shaft 8, and the roll 2 is brought into contact with the baffle 9. The positioning shaft 8 is used to position the roll 2. Subsequently, the installation and fixing of the roll 2 are completed by the auxiliary loading and unloading mechanism and the clamping mechanism. During operation, the motor 5 is started. The output end of the motor 5 drives the steering column 4 to rotate counterclockwise from a top view, which drives the second housing 6, turntable 7, baffle 9, positioning shaft 8 and roll 2 to rotate until the positioning shaft 8 is aligned with the position of the through hole 16. Subsequently, the electric push rod 12 pushes the moving seat 13 and the moving disk 15 to the right via the pressure sensor 14, so that the positioning shaft 8 passes through the through hole 16 of the moving disk 15 until the extrusion ring 19 is pressed against the left end of the roll 2. At this time, the pressure sensor 14 can monitor the extrusion force in real time and transmit the signal to the controller 21. When the extrusion force reaches the preset value, the controller 21 controls the electric push rod 12 to stop moving, so as to avoid damage to the roll 2 due to excessive pressure or loosening of the roll 2 due to insufficient pressure. During this process, the distance between the moving disk 15 and the baffle 9 can be flexibly adjusted by the electric push rod 12 to adapt to rolls 2 of different lengths, so as to meet the different requirements for the length of the roll 2 due to the changes in the amount of waste generated caused by the differences in production batches, substrate width and bag making speed, and thus flexibly cope with various production conditions. Entering the waste edge winding stage, the first drive motor 10 is started. The output end of the first drive motor 10 drives the turntable 7 to rotate. The turntable 7 synchronously drives the baffle 9, the positioning shaft 8 and the fixed drum 2 to rotate, and the drum 2 begins to wind up the waste edge. At the same time, the second drive motor 26 is started. The output end of the second drive motor 26 drives the lead screw 25 to rotate, which in turn causes the moving block 24 to move, the connecting plate 27, the connecting rod 28 and the guide ring 29 to move. After the waste edge passes through the guide ring 29, it is guided to the outer wall of the drum 2. Through the reciprocating movement of the guide ring 29, the waste edge is evenly wound on the drum 2, avoiding the accumulation or deviation of the waste edge.

[0036] When it is necessary to disassemble a fully wound roll 2, the electric push rod 12 drives the moving plate 15 and the extrusion ring 19 to reset to the left, so that the positioning shaft 8 is completely disengaged from the through hole 16 of the moving plate 15. Then, the motor 5 drives the second housing 6, turntable 7, baffle 9, positioning shaft 8 and roll 2 to rotate clockwise to the appropriate position from a top-down view along with the steering column 4, so that the roll 2 can be directly removed. The entire process does not require manual fastening or disassembly using components such as cone sleeves and chucks. The operation is simple and convenient when loading and unloading rolls, effectively reducing downtime for adjustment and improving overall production efficiency.

[0037] In the description of this utility model, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inner", "outer", "back", "middle", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0038] However, the above description is only a specific embodiment of this utility model and should not be construed as limiting the scope of implementation of this utility model. Therefore, any substitution of equivalent components or equivalent changes and modifications made in accordance with the scope of protection of this utility model should still fall within the scope of the claims of this utility model.

Claims

1. A vacuum bag making waste edge winding mechanism, comprising a base plate (1) and a roll (2), characterized in that: The upper side of the base plate (1) is provided with an auxiliary loading and unloading mechanism, a pressing mechanism and a guiding mechanism; The auxiliary loading and unloading mechanism includes a first housing (3) fixedly connected to the upper end of the base plate (1), a steering column (4) rotatably connected to the upper end of the first housing (3), a motor (5) whose output end is fixedly connected to the steering column (4) installed inside the first housing (3), a second housing (6) fixedly connected to the upper end of the steering column (4), a turntable (7) rotatably connected to the left end of the second housing (6), a first drive motor (10) whose output end is fixedly connected to the turntable (7) installed inside the second housing (6), a baffle (9) fixedly connected to the left end of the turntable (7), and a positioning shaft (8) passing through the inside of the drum (2) fixedly connected to the left end of the baffle (9). The pressing mechanism includes a fixed plate (11) fixedly connected to the upper end of the base plate (1). An electric push rod (12) is installed on the left end of the fixed plate (11). A movable seat (13) is provided on the right side of the fixed plate (11). The output end of the electric push rod (12) passes through the fixed plate (11) and is fixedly connected to the movable seat (13) with a pressure sensor (14). A movable disk (15) is fixedly connected to the upper end of the movable seat (13). A through hole (16) is opened through the outer wall of the movable disk (15). The positioning shaft (8) passes through the inside of the through hole (16). An annular groove (17) is opened on the inner wall of the through hole (16). An extrusion ring (19) is rotatably connected inside the annular groove (17) through a bearing (18). The drum (2) abuts between the extrusion ring (19) and the baffle (9).

2. The vacuum bag making waste edge winding mechanism according to claim 1, characterized in that: The guiding mechanism includes a third housing (23) located in front of the drum (2). A lead screw (25) is rotatably connected inside the third housing (23). A second drive motor (26) with its output end fixedly connected to the lead screw (25) is installed on the outer wall of the third housing (23). A moving block (24) is threadedly connected to the outer wall of the lead screw (25). A through slot is opened through the lower end of the third housing (23). A connecting plate (27) passing through the through slot is fixedly connected to the lower end of the moving block (24). A connecting rod (28) is fixedly connected to the lower end of the connecting plate (27). A guide ring (29) is fixedly connected to the lower end of the connecting rod (28).

3. The vacuum bag making waste edge winding mechanism according to claim 1, characterized in that: An operation panel (20) and a controller (21) are installed on the outer wall of the fixing plate (11).

4. The vacuum bag making waste edge winding mechanism according to claim 1, characterized in that: The upper end of the base plate (1) is equipped with a slide rail, and the movable seat (13) is slidably connected to the slide rail.

5. The vacuum bag making waste edge winding mechanism according to claim 1, characterized in that: The motor (5) is a stepper worm gear reducer motor, and the electric push rod (12) is a worm gear electric push rod.

6. The vacuum bag making waste edge winding mechanism according to claim 2, characterized in that: The inner wall of the third box (23) has two sliding grooves, and the inside of each of the two sliding grooves is slidably connected to a slider that is fixedly connected to the moving block (24).

7. The vacuum bag making waste edge winding mechanism according to claim 2, characterized in that: Two support plates (22) are fixedly connected between the base plate (1) and the third box (23).

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