Soft material automatic bagging machine

Abstract

This utility model discloses an automatic bagging machine for soft materials, belonging to the technical field of automated packaging equipment. The machine includes a frame, a folded packaging film roll, and a roll conveyor. The folded packaging film roll is a V-shaped folded film with buckles and locking strips, enabling self-sealing of the packaging bag. The frame is equipped with multiple material feeding troughs for temporary material storage. The bottom of each feeding trough is equipped with a removable feeding base plate that can be opened and closed by a feeding cylinder, enabling stable and quantitative material feeding. Below the feeding trough is a transfer trough that can be switched between multiple workstations. The transfer trough can precisely connect with a guide plate to form an integrated continuous material guiding channel. Above the channel is a lifting and moving arc-shaped pusher plate that can smoothly push soft materials into the bag. This utility model solves the problems of easy deviation, deformation, insufficient bagging, and unstable film alignment in traditional equipment for pushing soft materials. It has a compact structure, high degree of automation, and effectively improves the stability and production efficiency of soft material packaging.

Description

Technical Field

[0001] This utility model belongs to the field of packaging equipment technology, specifically relating to an automatic bagging machine for soft materials. Background Technology

[0002] Automatic bagging machines are commonly used automated packaging equipment in industrial production, widely applied to the packaging of stacked materials such as food, daily necessities, and light industrial products. Their core function is to automatically feed materials into packaging bags and complete the sealing and cutting process. Existing traditional automatic bagging machines generally employ an open-mouth packaging bag alignment system combined with a cylinder pusher. Specifically, the bag opening is aligned with the machine's feeding direction, the material is transported to the feeding station via a conveyor belt, and then the cylinder drives the pusher to push the material directly into the open packaging bag.

[0003] This traditional structure is well-suited for pushing rigid, fixed, and single-unit materials, but it has significant technical limitations when it comes to soft, stacked materials such as fabrics, sponges, and flexible flocculent materials. Soft, stacked materials are flexible, malleable, and have variable stacking gaps. The traditional rigid pusher method easily leads to material shifting, wrinkling, and localized stagnation during the pushing process. The pusher cannot generate a uniform and complete pushing force on the entire stack, easily resulting in material omissions, parts of the material not being bagged, or insufficient material placement. Ultimately, this leads to missing materials in the finished packaging bags, substandard bagging volumes, and low product qualification rates.

[0004] Meanwhile, existing equipment lacks dedicated material alignment and guiding, pushing and limiting, and station docking structures. The connection accuracy of each station for material conveying, pushing, and bagging is poor. Soft materials are prone to deviation and scattering during conveying and pushing, further aggravating bagging defects. Furthermore, it cannot be adapted to the automated sealing operation of folded film packaging bags with self-sealing zippers. The equipment has poor versatility and operational stability, making it difficult to meet the needs of high-precision, high-pass-rate automated bagging production of soft materials. Utility Model Content

[0005] This utility model aims to solve the technical defects of existing technologies, such as easy deviation and deformation when bagging soft materials, poor bagging effect, unstable alignment of self-sealing packaging film, unsmooth workstation switching, and poor automation continuity.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an automatic bagging machine for soft materials, comprising a frame, a folded packaging film roll, and a roll conveyor table. The roll conveyor table is located on the side of the frame for carrying and conveying the folded packaging film roll. The folded packaging film roll adopts a V-shaped folded upper and lower film structure. The ends of the upper and lower films are respectively provided with interlocking fasteners and locking strips. After the fasteners and locking strips are interlocked, they can form a self-sealing zipper, enabling the packaging bag to have a self-sealing function.

[0007] The folded packaging film roll is continuously conveyed by the roll conveyor, and its V-shaped open end passes through the guide plate to provide a stable film channel for the material to enter the bag. The equipment is equipped with multiple sets of sequentially arranged feeding troughs as material temporary storage stations. The bottom of the feeding trough is equipped with a removable feeding base plate, which is driven to open and close by an independent feeding cylinder to realize the quantitative automatic feeding of soft materials.

[0008] A transfer trough is installed below the feeding trough. The transfer trough, together with an XY direction motion module and a rotary cylinder, forms a transfer docking mechanism. The XY direction motion module enables lateral and longitudinal displacement adjustment, while the rotary cylinder provides horizontal and rotational functionality, facilitating multi-dimensional workstation switching and alignment. A docking plate is installed at the end of the transfer trough, which can precisely engage with the guide plate, ensuring a seamless connection between the transfer trough and the guide plate, forming an integrated continuous material guiding channel.

[0009] An arc-shaped pusher plate that can be raised, lowered, and moved back and forth is installed above the continuous feeding channel. By adjusting the height by raising and lowering and pushing the material by moving back and forth, soft materials can be accurately pushed into the packaging film along the continuous feeding channel to complete the automatic bagging operation.

[0010] Furthermore, the equipment is equipped with a material inlet bag position control device to precisely regulate the material inlet bag position and ensure the alignment accuracy between the film and the material. The material inlet bag position control device includes a first linear motion module, an insertion arm, and a material inlet groove plate. The position adjustment of the inlet groove plate is achieved through module drive, and the end guide structure is used to gather soft materials to avoid material scattering.

[0011] Furthermore, the frame is equipped with an upper film guide block and a lower film support plate, which limit and lift the upper and lower film of the packaging film respectively to ensure that the packaging film is transported smoothly and evenly. At the same time, the fastener at the end of the upper film is limited and guided to prevent the film from shifting or misaligning.

[0012] Furthermore, the guide plate is mounted on the second linear motion module, which can realize horizontal position adjustment. Vertical guide plates are set on both sides of the guide plate, which can limit and correct the soft materials in the pushing process. The guide plate and the transfer chute are respectively opened with interlocking guide grooves. Together with the L-shaped guide strip at the bottom of the arc-shaped push plate, the stability and accuracy of material pushing are greatly improved.

[0013] Furthermore, the arc-shaped pusher is driven by a third linear motion module and a lifting cylinder to achieve lifting and fine-tuning and horizontal pushing actions, adapting to the pushing needs of soft materials of different thicknesses and avoiding material compression and deformation.

[0014] Furthermore, the frame is equipped with a self-sealing pressing and heat-sealing cutting structure corresponding to the packaging film conveying path. The self-sealing tensioning buckle blocks press and snap the buckle strips and clips into shape, and then the heat-sealing cutting mechanism completes the heat sealing and cutting of the packaging film, realizing automated forming and packaging.

[0015] The beneficial effects of this utility model are: 1. This utility model adopts a V-shaped folded self-sealing packaging film structure with buckle strips and card strips, which can independently complete the self-sealing of the packaging bag without the need for additional sealing accessories. It is convenient to seal, has good sealing performance, and is suitable for automated continuous packaging operations.

[0016] 2. It adopts a multi-set material storage trough and a cylinder bottom-pulling feeding structure to achieve quantitative and stable feeding of soft materials, avoid excessive or insufficient feeding in a single batch, eliminate material accumulation and leakage problems, and adapt to the characteristics of soft materials.

[0017] 3. By switching between multiple workstations in the transfer chute and precisely connecting with the guide tray, an integrated continuous material guiding channel is formed, which solves the problems of discontinuous workstation switching and material transition jamming in traditional equipment, and greatly improves packaging continuity.

[0018] 4. It adopts an arc-shaped pusher structure that can be raised, lowered, and moved back and forth, combined with a guide and limiting structure, which can limit and correct the deviation of soft materials and push them smoothly, effectively avoiding the deviation and deformation of soft materials during pushing, resulting in high bagging accuracy and good forming effect.

[0019] 5. The overall structure is compact, integrating membrane guiding, material storage, workstation docking, precise pushing, self-sealing, heat sealing, and cutting. It has a high degree of automation and effectively improves the efficiency and consistency of packaging soft materials.

[0020] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0021] Figure 1 This is a perspective view of a specific embodiment of the present utility model; Figure 2 This is a cross-sectional view of a specific embodiment of the present utility model; Figure 3 A perspective view of the material bag entry position control device; Figure 4 A 3D diagram of the push mechanism; Figure 5 This is a 3D view of the feeding mechanism; Figure 6 A 3D view of the material transfer and docking mechanism; Figure 7 A three-dimensional view of the guide tray; Figure 8 This is a schematic diagram of the cross-sectional structure of a folded packaging film roll; Figure 9 This is a three-dimensional view of the upper membrane guide block; Figure 10 This is a 3D view of a self-sealing snap fastener.

[0022] Explanation of reference numerals in the attached drawings: 1. Frame; 2. Folded packaging film roll; 3. Roll conveyor; 4. Material entry position control device; 6. Material transfer docking mechanism; 9. First linear motion module; 10. Insertion arm; 11. Material inlet trough; 12. Short guide plate; 13. Long inlet plate; 14. Lower film support plate; 15. Upper film guide block; 16. Fastener guide groove; 17. Discharge trough; 18. Discharge base plate; 19. Discharge cylinder; 20. Transfer trough; 21. X 22. Y-direction motion module; 23. Rotary cylinder; 24. Docking plate; 25. Second push plate guide groove; 26. Second linear motion module; 27. Guide plate; 28. Third linear motion module; 29. ​​Lifting cylinder; 30. Arc-shaped push plate; 31. Vertical guide plate; 32. First push plate guide groove; 33. Mounting base; 34. L-shaped guide strip; 35. Self-sealing tensioning buckle block; 36. Upper film; 37. Lower film; 38. Fastening strip; 39. Clip strip. Detailed Implementation

[0023] The present invention will be described in detail below through embodiments, which are only used to further illustrate the present invention and should not be construed as limiting the scope of protection of the present invention.

[0024] like Figure 1 — Figure 7 As shown in the figure, this embodiment discloses an automatic bagging machine for soft materials, including a frame 1, a folded packaging film roll 2 mounted on the frame 1, and a roll conveyor 3. The frame 1 is the supporting base of the entire equipment, and all functional mechanisms are integrated and assembled on the frame 1, resulting in a stable structure and strong operational stability. The roll conveyor 3 is fixedly installed on the side of the frame 1, and the roll conveyor 3 is used to carry and uniformly convey the folded packaging film roll 2, providing film supply for continuous packaging operations.

[0025] Specifically, such as Figure 8 As shown, the folded packaging film roll 2 adopts a V-shaped folding structure, specifically divided into an upper film 35 and a lower film 36. The upper film 35 has a snap-on strip 37 integrally formed along its length side, and the lower film 36 has a corresponding snap-on strip 38 integrally formed. The snap-on strip 37 and the snap-on strip 38 can precisely engage and interlock to form a continuous self-sealing zipper, enabling the finished packaging bag to have a self-sealing function without the need for subsequent additional sealing. The folded packaging film roll 2 moves forward continuously under the conveying action of the roll conveyor 3, and its V-shaped open end stably passes the guide plate 26, reserving a stable opening and closing channel for material entry into the bag.

[0026] The feed side of the frame 1 is equipped with multiple sets of equidistantly arranged feeding troughs 17. These feeding troughs 17 can be stacked simultaneously to temporarily store soft materials, enabling continuous cyclic feeding operations. Each feeding trough 17 is fitted with a horizontally removable feeding base plate 18. The outer end of the feeding base plate 18 is connected to the piston rod of the feeding cylinder 19, which is fixedly installed on the side wall of the frame 1. Through the extension and retraction of the feeding cylinder 19, the feeding base plate 18 can be driven to be removed or reset, realizing the automatic opening and closing of the feeding trough 17. This ensures the quantitative and stable feeding of soft materials, adapting to the characteristics of soft materials that are easily deformed and not suitable for impact feeding.

[0027] A transfer trough 20 is positioned directly below the feeding trough 17. The transfer trough 20, the XY direction motion module 21, and the rotary cylinder 22 together constitute the transfer docking mechanism 6. The XY direction motion module 21 is fixedly mounted on the bottom of the frame 1, enabling precise horizontal and vertical displacement adjustment. The rotary cylinder 22 is fixedly mounted on the slide of the XY direction motion module 21. The vertical shaft of the rotary cylinder 22 is fixedly connected to the center of the bottom surface of the transfer trough 20, allowing the transfer trough 20 to rotate slightly to finely adjust its angle, achieving multi-dimensional precise station switching and alignment. The output end of the transfer trough 20 has an integrally formed docking plate 23, which can be precisely inserted and matched with the guide plate 26.

[0028] The guide plate 26 is fixedly installed on the slider of the second linear motion module 25 and can be adjusted horizontally with the second linear motion module 25. The guide plate 26 has a first push plate guide groove 31 in the middle and a second push plate guide groove 24 in the bottom of the transfer trough 20. When the transfer trough 20 is switched to the correct position, the docking plate 23 is precisely inserted into the first push plate guide groove 31. At this time, the bottom of the transfer trough 20 is flush with the end face of the guide plate 26, and the second push plate guide groove 24 is seamlessly connected with the first push plate guide groove 31, so that the transfer trough 20 and the guide plate 26 form an integrated continuous material guiding channel, ensuring that the material transition is smooth and without deviation.

[0029] An arc-shaped pusher plate 29 is installed above the continuous material feeding channel. This arc-shaped pusher plate 29 is designed to accommodate soft materials, preventing material deformation caused by hard-edge compression. The arc-shaped pusher plate 29 is fixedly connected to the piston rod of a lifting cylinder 28 via a mounting base 32. The top of the lifting cylinder 28 is mounted on the bottom of the slide of a third linear motion module 27, which is fixedly mounted above the frame 1. The lifting cylinder 28 can drive the arc-shaped pusher plate 29 to move up and down to adjust the pushing height, while the third linear motion module 27 can drive the arc-shaped pusher plate 29 to move horizontally back and forth, thus achieving material pushing operations. An L-shaped guide strip 33 is fixedly mounted at the bottom of the arc-shaped pusher plate 29. The L-shaped guide strip 33 slides and adapts to two sets of interconnected guide grooves, further improving pushing accuracy and stability.

[0030] The equipment is also equipped with a material bag entry position control device 4, specifically as follows:Figure 3 As shown, the material bag entry position control device 4 includes a first linear motion module 9, an insertion arm 10, and a material inlet trough plate 11. The first linear motion module 9 is fixed in the middle of the frame 1, and its sliding end is connected to the horizontally extending insertion arm 10. The material inlet trough plate 11 is fixedly welded to the end of the insertion arm 10. The short guide plate 12 at the upper end of the material inlet trough plate 11 and the long guide plate 13 at the lower end are inclinedly connected to form a tapered material guide channel that is wider at the top and narrower at the bottom. This channel can gather and organize the pushed soft materials, making it easier for the materials to enter the bag smoothly.

[0031] A lower film support plate 14 is installed between the roll conveyor 3 and the long guide plate 13. The lower film support plate 14 supports and lifts the lower packaging film 36 to ensure that the lower film 36 is conveyed smoothly. An upper film guide block 15 is installed at the upper end of the frame 1, as detailed below. Figure 9 As shown, a transverse guide slit is provided inside the upper membrane guide block 15 for the upper membrane 35 to pass through. A buckle guide groove 16 is provided on the lower side wall of the guide slit, which can limit and guide the buckle 37 at the end of the upper membrane 35, effectively preventing the upper membrane 35 from shifting and the buckle 37 from misaligning, and ensuring the alignment accuracy of the membrane.

[0032] Vertical guide plates 30 are symmetrically fixed on both sides of the guide plate 26. The spacing between the vertical guide plates 30 on both sides matches the width of the transfer trough 20. This can limit and correct the left and right deviation of soft materials during the pushing process, completely eliminate the problem of materials running off to the left and right, and further improve the uniformity of bagging.

[0033] A self-sealing and heat-sealing structure is installed at the end of the packaging film conveying path corresponding to frame 1. The self-sealing and heat-sealing structure consists of a self-sealing tensioning buckle 34 and a rear-mounted heat-sealing mechanism. Specifically, as follows... Figure 10 As shown, the self-sealing fastening block 34 has two guide grooves in the middle. The two guide grooves are V-shaped, allowing the film with buckle strip 37 and clip strip 38 to pass through and be pressed together. The buckle strip 37 and clip strip 38 are precisely snapped together by the squeezing action of the pressing gap, thus completing the self-sealing structure of the packaging bag. The subsequent heat sealing and cutting mechanism heat seals and cuts both sides of the material packaging film after it has been placed in the bag, finally forming an independent and completely sealed self-sealing material packaging bag.

[0034] In actual operation, soft materials are pre-stacked and stored inside each set of feeding troughs 17. The XY direction motion module 21, in conjunction with the rotary cylinder 22, drives the transfer trough 20 to move directly below the corresponding feeding trough 17 to complete the alignment. The feeding cylinder 19 drives the feeding base plate 18 to be pulled out, and the material falls smoothly into the transfer trough 20. Subsequently, the transfer trough 20 switches positions again, connecting with the guide plate 26 through the docking plate 23 to form a continuous material guiding channel. The lifting cylinder 28 drives the arc-shaped push plate 29 to move down for alignment, and the third linear motion module 27 drives the arc-shaped push plate 29 to move forward, smoothly pushing the material along the material guiding channel into the folded packaging film. The packaging film is continuously conveyed and completes self-sealing, heat sealing, and cutting. The entire process of storing, feeding, docking, pushing, bagging, and sealing soft materials is automated, with stable operation, high bagging accuracy, and no material deformation or leakage.

Claims

1. An automatic bagging machine for soft materials, comprising a frame (1), a folded packaging film roll (2) disposed on the frame (1), and a roll conveyor (3), characterized in that: The frame (1) is equipped with the roll conveyor (3) on the side. The folded packaging film roll (2) adopts a V-shaped folded upper film (35) and lower film (36) structure. The upper film (35) and lower film (36) are respectively provided with snap-fit ​​strips (37) and clips (38) at the ends. The snaps (37) and clips (38) can form a self-sealing zipper to realize the self-sealing function of the packaging bag. The folded packaging film roll (2) is conveyed by the roll conveyor (3), and its V-shaped open end passes through the guide plate (26). It also includes multiple sets of feeding troughs (17) arranged in sequence. 7) A removable material feeding base plate (18) is set at the bottom and is driven to open and close by an independent material feeding cylinder (19); a material transfer trough (20) is set below the material feeding trough (17). The material transfer trough (20) can move freely horizontally and rotate to realize multi-dimensional workstation switching. A docking plate (23) is set at the end of the material transfer trough (20). The docking plate (23) can be precisely docked with the guide plate (26) so that the material transfer trough (20) and the guide plate (26) form an integrated continuous material guiding channel; an arc-shaped push plate (29) that can be lifted and moved back and forth is set above the continuous material guiding channel.

2. The automatic bagging machine for soft materials according to claim 1, characterized in that: It also includes a material bag entry position control device (4), which includes a first linear motion module (9), an insertion arm (10) and a material inlet trough plate (11). The first linear motion module (9) is fixed to the frame (1), the insertion arm (10) is connected to the slider of the first linear motion module (9), and the material inlet trough plate (11) is fixed to the end of the insertion arm (10). The material inlet trough plate (11) has a short guide plate (12) at the upper end and a long inlet plate (13) at the lower end.

3. The automatic bagging machine for soft materials according to claim 2, characterized in that: A lower film support plate (14) is provided between the roll conveyor (3) and the long guide plate (13). The frame (1) is provided with an upper film guide block (15). The upper film guide block (15) has a guide gap for the upper film (35) to pass through. The lower side wall of the guide gap is provided with a guide groove (16) for the limit strip (37).

4. The automatic bagging machine for soft materials according to claim 1, characterized in that: The guide plate (26) is installed on the slider of the second linear motion module (25). Vertical guide plates (30) are provided on both sides of the guide plate (26). A first push plate guide groove (31) is provided in the middle of the guide plate (26). The docking plate (23) is matched and inserted into the first push plate guide groove (31).

5. The automatic bagging machine for soft materials according to claim 4, characterized in that: The bottom of the transfer trough (20) is provided with a second push plate guide groove (24), which is connected to the first push plate guide groove (31). The bottom of the arc-shaped push plate (29) is provided with an L-shaped guide strip (33) that is adapted to the two sets of guide grooves.

6. The automatic bagging machine for soft materials according to claim 1, characterized in that: The arc-shaped push plate (29) connects the lifting cylinder (28) and the third linear motion module (27). The third linear motion module (27) is fixed above the frame (1). The slide of the third linear motion module (27) is connected to the lifting cylinder (28). The piston rod of the lifting cylinder (28) is fixedly connected to the arc-shaped push plate (29) through the mounting seat (32).

7. The automatic bagging machine for soft materials according to claim 1, characterized in that: The frame (1) is provided with a self-sealing pressing and heat-sealing cutting structure corresponding to the packaging film conveying path. The self-sealing pressing and heat-sealing cutting structure includes a self-sealing tensioning buckle block (34) and a matching heat-sealing cutting mechanism. The self-sealing tensioning buckle block (34) has a pressing gap for pressing the buckle strip (37) and the clip strip (38).

8. The automatic bagging machine for soft materials according to claim 1, characterized in that: The docking plate (23) and the transfer groove (20) are integrally formed. When the docking plate (23) and the guide plate (26) are docked, the bottom of the transfer groove (20) is level with the end face of the guide plate (26).

9. The automatic bagging machine for soft materials according to claim 2, characterized in that: The short guide plate (12) and the long inlet plate (13) are connected at an incline to form a narrow material inlet channel that is wider at the top and narrower at the bottom.

10. The automatic bagging machine for soft materials according to claim 4, characterized in that: The vertical guide plates (30) are symmetrically arranged on both sides of the guide plate (26), and the spacing between the vertical guide plates (30) on both sides matches the width of the transfer trough (20).

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