Film winding mechanism of packaging machine

Abstract

The utility model relates to the technical field of film winding machines, and provides a packaging machine film winding mechanism which comprises a base, a supporting seat is fixed to the middle of the top end of the base, a carrying seat is fixed to the top end of the supporting seat, a rotating structure is fixed to the top end of the base on the outer side of the supporting seat, and an adjusting structure is fixed to one side of the top end of the rotating structure. And a dismounting structure is fixed on one side of the adjusting structure. Through the arrangement of the dismounting structure and the clamping design of the limiting plate and the fixing bolt, the film covering cylinder can be dismounted without a tool, the fixing bolt is self-locked after being inserted into the limiting groove, the supporting shaft penetrates through the center of the film covering cylinder, rotary support is provided, looseness during high-speed rotation is avoided, film covering cylinders of different specifications can be adapted through the supporting shaft, the consumable cost is reduced, and the working efficiency is improved. The device has the function of conveniently and quickly mounting and dismounting the film covering cylinder, and the convenience of the film winding mechanism of the packaging machine in use is improved.

Description

Technical Field

[0001] This utility model relates to the field of wrapping machine technology, and in particular to the wrapping mechanism of packaging machines. Background Technology

[0002] With the rapid development of global logistics, e-commerce, and manufacturing, the demand for efficient, automated, and low-cost packaging has increased significantly. Stretch wrapping, as a core technology for securing goods, preventing dust and moisture, is widely used in logistics, food and pharmaceuticals, and industrial manufacturing. Traditional manual stretch wrapping is inefficient, labor-intensive, and poses safety hazards, affecting the efficiency of goods packaging. Therefore, it is necessary to design a stretch wrapping mechanism for packaging machines.

[0003] To address this, patent CN220536020U discloses a uniform film wrapping mechanism, comprising a base plate, a housing fixedly connected to the upper surface of the base plate, a PLC controller fixedly connected to the inner bottom wall of the housing, a support plate fixedly connected between the inner left and inner right walls of the housing, a cylinder fixedly connected to the upper surface of the support plate, a connecting plate fixedly connected to the top of the piston rod of the cylinder, a rotating rod rotatably connected to the bottom of the connecting plate, a positioning plate fixedly connected to the bottom end of the rotating rod, and a film wrapping structure disposed above the base plate. The film wrapping structure includes a box fixedly connected to the upper surface of the base plate, and a first motor fixedly connected to the inner bottom wall of the box. This uniform film wrapping mechanism replaces traditional pipe gears and gear discs with a film wrapping structure, thereby avoiding the problems of easy wear, easy failure, and poor transmission stability of gear transmission. Furthermore, this film wrapping structure has a high level of automation and is easy to use.

[0004] Although the uniform wrapping mechanism described above improves the smoothness of transmission during use, the wrapping cylinder is consumed in large quantities during use and it is inconvenient to quickly replace the new wrapping cylinder. Therefore, it is necessary to design a wrapping mechanism for the packaging machine. Utility Model Content

[0005] The purpose of this invention is to provide a wrapping mechanism for packaging machines, which solves the problem that existing wrapping mechanisms for packaging machines consume a lot of wrapping cylinders during use and are inconvenient to quickly replace with new wrapping cylinders.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a wrapping mechanism for a packaging machine, including a base;

[0007] A support base is fixed at the middle position of the top of the base, and a load base is fixed at the top of the support base.

[0008] A rotating structure is fixed to the top of the outer base of the support seat, and an adjustment structure is fixed to one side of the top of the rotating structure.

[0009] A disassembly structure is fixed on one side of the adjustment structure. The disassembly structure includes an upper connecting block fixed to one side of the top of the adjustment structure. A limit groove is opened on one side of the top of the upper connecting block. A limit plate is provided inside the limit groove. A fixing bolt passes through the inside of the limit plate near the upper connecting block.

[0010] A film-coated tube is provided on the outside of the disassembly and assembly structure.

[0011] Furthermore, the rotating structure includes a rotating seat fixed to the top of the outer base of the support base, a rotating disk rotatably connected to the top of the rotating seat, a driven gear disk fixed on the outer wall of the rotating disk, the rotating structure also includes a mounting plate fixed to the outer wall of one side of the top of the rotating seat, a rotating shaft passing through the interior of the mounting plate, the top of the rotating shaft extending to the outer side of the mounting plate and fixed with a driving gear disk, and the rotating structure also includes a first servo motor fixed to one side of the bottom end of the base.

[0012] Furthermore, the inner diameter of both the rotating base and the rotating disk is larger than the outer diameter of the support base, the driving gear disk and the driven gear disk are meshed and connected, and the output end of the first servo motor is fixedly connected to the bottom end of the rotating shaft.

[0013] Furthermore, the adjustment structure includes an adjustment seat fixed to one side of the top of the rotating disk, with adjustment blocks evenly arranged inside the adjustment seat, a lead screw threadedly connected to the middle position of each adjustment block, guide rods on both sides of the lead screw, an electric push rod fixed to one side of the lead screw, and a second servo motor fixedly installed at the top of the adjustment seat.

[0014] Furthermore, the top end of the lead screw extends to the outside of the adjustment seat and is fixedly connected to the output end of the second servo motor, and the bottom end of the lead screw extends to the inside of the adjustment seat and is rotatably connected to the adjustment seat.

[0015] Furthermore, each of the guide rods is slidably connected to the adjusting block, and both ends of the guide rods are fixedly connected to the inner wall of the adjusting seat.

[0016] Furthermore, the disassembly and assembly structure also includes a lower connecting block fixed to one side of the bottom of the adjustment structure, a lower support plate fixed to one side of the lower connecting block, and a support shaft fixed to the top of the lower support plate.

[0017] Furthermore, the central axis of the support shaft and the central axis of the coating cylinder are collinear, and the top end of the support shaft passes through the limiting plate and extends above the limiting plate.

[0018] Furthermore, the limiting plate and the upper connecting block are engaged and connected by the limiting plate, and the bottom end of the fixing bolt extends into the interior of the upper connecting block.

[0019] The advantages of the wrapping mechanism for packaging machines provided by this utility model are as follows:

[0020] With its detachable structure and locking design of the limiting plate and fixing bolt, the film-coating tube can be disassembled without tools. The fixing bolt self-locks after being inserted into the limiting groove. The support shaft passes through the center of the film-coating tube, providing rotational support and preventing loosening during high-speed rotation. The support shaft can be adapted to different specifications of film-coating tubes, reducing consumable costs. This device enables easy and quick installation and disassembly of the film-coating tube, improving the convenience of using the wrapping mechanism of the packaging machine.

[0021] By incorporating a rotating structure, the driven and driven gears mesh to ensure that the first servo motor can drive the driven and rotating discs smoothly when rotating, thus avoiding the slippage problem of traditional belt drives. The first servo motor provides precise speed control to adapt to different winding speed requirements. The rotating seat is separate from the base, which facilitates maintenance and replacement. This device enables the film-coating cylinder to rotate and coat films through an adjustment structure, improving the convenience of the wrapping mechanism of the packaging machine during use.

[0022] With an adjustable structure, the adjusting block and lead screw are connected by a threaded connection. The adjusting block can be easily moved up and down inside the adjusting seat by a second servo motor and lead screw. This allows the electric push rod to move the disassembly structure and the film-coating cylinder up and down, facilitating film coating of goods at different heights and improving coating efficiency. The extension and retraction of the electric push rod allows for easy adjustment of the film coating range of the film-coating cylinder, facilitating the coating of goods of different sizes. A protective plate is fixed between the two sets of adjusting blocks, and a metal telescopic piece is fixed to the side of the adjusting block away from the protective plate. The metal telescopic piece is fixed to the inner wall of the adjusting seat and can extend and retract with the adjusting block, facilitating the protection of the inner side of the adjusting structure and preventing dust from entering. This device enables easy adjustment of the film coating height and easy coating of goods of different sizes, improving the convenience and efficiency of the wrapping mechanism of the packaging machine. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0024] Figure 2 This is a three-dimensional structural schematic diagram of the main cross-section of this utility model;

[0025] Figure 3 For the present utility model Figure 2 Enlarged structural diagram at point A in the middle;

[0026] Figure 4 This is a three-dimensional structural schematic diagram of the main cross-section of this utility model;

[0027] Figure 5This is a side view cross-sectional three-dimensional structural schematic diagram of the present invention;

[0028] Figure 6 This is a top-view cross-sectional three-dimensional structural diagram of the present invention.

[0029] The reference numerals in the diagram are as follows: 1. Base; 2. Support seat; 3. Carrier seat; 4. Rotating structure; 41. Rotating seat; 42. Rotating disk; 43. Driven gear disk; 44. Driving gear disk; 45. Rotating shaft; 46. Mounting plate; 47. First servo motor; 5. Adjustment structure; 51. Adjustment seat; 52. Adjustment block; 53. Lead screw; 54. Electric push rod; 55. Second servo motor; 56. Guide rod; 6. Disassembly and assembly structure; 61. Lower connecting block; 62. Lower support plate; 63. Support shaft; 64. Limiting plate; 65. Upper connecting block; 66. Fixing bolt; 67. Limiting groove; 7. Coating cylinder. Detailed Implementation

[0030] 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.

[0031] Please see Figures 1-6 The packaging machine wrapping mechanism provided by this utility model includes a base 1.

[0032] Reference Figure 1 , Figure 2 and Figures 4-6 A support seat 2 is fixed at the middle position of the top of the base 1. A load seat 3 is fixed at the top of the support seat 2. A rotating structure 4 is fixed at the top of the base 1 outside the support seat 2. The rotating structure 4 includes a rotating seat 41 fixed to the top of the base 1 outside the support seat 2. A rotating disk 42 is rotatably connected to the top of the rotating seat 41. A driven gear disk 43 is fixed on the outer wall of the rotating disk 42. The rotating structure 4 also includes a mounting plate 46 fixed to the outer wall of one side of the top of the rotating seat 41. A rotating shaft 45 passes through the interior of the mounting plate 46. The top of the rotating shaft 45 extends to the outside of the mounting plate 46 and is fixed with a driving gear disk 44. The rotating structure 4 also includes a first servo motor 47 fixed to one side of the bottom of the base 1. The inner diameter of the rotating seat 41 and the rotating disk 42 is larger than the outer diameter of the support seat 2. The driving gear disk 44 and the driven gear disk 43 are meshed and connected. The output end of the first servo motor 47 is fixedly connected to the bottom end of the rotating shaft 45.

[0033] When an external power source is connected, the first servo motor 47 is started. After the first servo motor 47 is started, it will drive the rotating shaft 45 to rotate. The rotating shaft 45 will drive the active gear disk 44 to rotate. Under the action of the meshing connection between the driven gear disk 43 and the active gear disk 44, the active gear disk 44 will drive the driven gear disk 43 to rotate. The driven gear disk 43 will drive the rotating disk 42 to rotate, thereby making the film coating cylinder 7 rotate around the goods at a uniform speed to complete the film wrapping operation.

[0034] Reference Figures 1-6 An adjustment structure 5 is fixed to one side of the top of the rotating structure 4. The adjustment structure 5 includes an adjustment seat 51 fixed to one side of the top of the rotating disk 42. Adjustment blocks 52 are evenly arranged inside the adjustment seat 51. A lead screw 53 is threadedly connected to the middle position of each adjustment block 52. Guide rods 56 are provided on both sides of the lead screw 53. An electric push rod 54 is fixed to one side of the lead screw 53. A second servo motor 55 is fixedly installed at the top of the adjustment seat 51. The top of the lead screw 53 extends to the outside of the adjustment seat 51 and is fixedly connected to the output end of the second servo motor 55. The bottom end of the lead screw 53 extends to the inside of the adjustment seat 51 and is rotatably connected to the adjustment seat 51. The guide rods 56 are slidably connected to the adjustment blocks 52. Both ends of the guide rods 56 are fixedly connected to the inner wall of the adjustment seat 51.

[0035] Connect an external power source and start the second servo motor 55. The second servo motor 55 drives the lead screw 53 to rotate, causing the adjusting block 52 to slide up and down along the guide rod 56 to adjust the initial height of the film-coating cylinder 7. After determining the film-coating height, start the electric push rod 54 to push the film-coating cylinder 7 to move laterally, ensuring that the film is close to the goods. Then, attach the open end of the film to the surface of the goods for initial fixation. Then, start the first servo motor 47 to make the film-coating cylinder 7 rotate around the goods for film coating. After the film coating is completed, cut the film with a knife.

[0036] Reference Figures 1-6 The adjustment structure 5 is fixed with a disassembly and assembly structure 6 on one side. The disassembly and assembly structure 6 includes an upper connecting block 65 fixed to the top side of the adjustment structure 5. A limiting groove 67 is opened on one side of the top of the upper connecting block 65. A limiting plate 64 is provided inside the limiting groove 67. A fixing bolt 66 passes through the inside of the limiting plate 64 near the upper connecting block 65. The disassembly and assembly structure 6 also includes a lower connecting block 61 fixed to the bottom side of the adjustment structure 5. A lower support plate 62 is fixed to one side of the lower connecting block 61. A support shaft 63 is fixed to the top of the lower support plate 62. The central axis of the support shaft 63 is collinear with the central axis of the film-coating cylinder 7. The top of the support shaft 63 passes through the limiting plate 64 and extends to the top of the limiting plate 64. The limiting plate 64 and the upper connecting block 65 are engaged and connected by the limiting plate 64. The bottom end of the fixing bolt 66 extends into the inside of the upper connecting block 65. A film-coating cylinder 7 is provided on the outside of the disassembly and assembly structure 6.

[0037] When replacing the coating cylinder 7, pull out the fixing bolt 66, then pull the limiting plate 64 upwards so that the limiting plate 64 disengages from the limiting groove 67, and the limiting plate 64 can be removed. Then the coating cylinder 7 can be removed from the outside of the support shaft 63. When installing the new cylinder, put the coating cylinder 7 on the outside of the support shaft 63, then align the reserved hole inside the limiting plate 64 with the support shaft 63 so that the limiting plate 64 is put on the outside of the support shaft 63. At the same time, put the limiting plate 64 into the limiting groove 67, and then insert the fixing bolt 66 into the limiting plate 64 so that the bottom end of the fixing bolt 66 enters the upper connecting block 65, thus fixing the limiting plate 64 and the upper connecting block 65 together.

[0038] Although the present invention 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 the present invention should be included within the protection scope of the present invention.

Claims

1. A wrapping mechanism for a packaging machine, including a base (1); Its features are: A support seat (2) is fixed at the middle position of the top of the base (1), and a load seat (3) is fixed at the top of the support seat (2); A rotating structure (4) is fixed to the top of the outer base (1) of the support (2), and an adjustment structure (5) is fixed to one side of the top of the rotating structure (4). The adjustment structure (5) is fixed with a disassembly structure (6) on one side. The disassembly structure (6) includes an upper connecting block (65) fixed to the top side of the adjustment structure (5). A limiting groove (67) is opened on one side of the top of the upper connecting block (65). A limiting plate (64) is provided inside the limiting groove (67). A fixing bolt (66) passes through the inside of the limiting plate (64) near the upper connecting block (65). A film-coated tube (7) is provided on the outside of the disassembly structure (6).

2. The wrapping mechanism of the packaging machine according to claim 1, characterized in that: The rotating structure (4) includes a rotating seat (41) fixed to the top of the base (1) on the outside of the support seat (2). A rotating disk (42) is rotatably connected to the top of the rotating seat (41). A driven gear disk (43) is fixed on the outer wall of the rotating disk (42). The rotating structure (4) also includes a mounting plate (46) fixed to the outer wall of the top side of the rotating seat (41). A rotating shaft (45) passes through the interior of the mounting plate (46). The top of the rotating shaft (45) extends to the outside of the mounting plate (46) and is fixed with a driving gear disk (44). The rotating structure (4) also includes a first servo motor (47) fixed to one side of the bottom end of the base (1).

3. The wrapping mechanism of the packaging machine according to claim 2, characterized in that: The inner diameter of the rotating seat (41) and the rotating disk (42) is larger than the outer diameter of the support seat (2). The active gear disk (44) and the driven gear disk (43) are meshed and connected. The output end of the first servo motor (47) is fixedly connected to the bottom end of the rotating shaft (45).

4. The wrapping mechanism of the packaging machine according to claim 1, characterized in that: The adjustment structure (5) includes an adjustment seat (51) fixed to one side of the top of the rotating disk (42). Adjustment blocks (52) are evenly arranged inside the adjustment seat (51). A lead screw (53) is threadedly connected to the middle position of each adjustment block (52). Guide rods (56) are provided on both sides of the lead screw (53). An electric push rod (54) is fixed on one side of the lead screw (53). A second servo motor (55) is fixedly installed at the top of the adjustment seat (51).

5. The wrapping mechanism of the packaging machine according to claim 4, characterized in that: The top end of the lead screw (53) extends to the outside of the adjustment seat (51) and is fixedly connected to the output end of the second servo motor (55). The bottom end of the lead screw (53) extends to the inside of the adjustment seat (51) and is rotatably connected to the adjustment seat (51).

6. The wrapping mechanism of the packaging machine according to claim 4, characterized in that: The guide rods (56) are all slidably connected to the adjusting block (52), and both ends of the guide rods (56) are fixedly connected to the inner wall of the adjusting seat (51).

7. The wrapping mechanism of the packaging machine according to claim 1, characterized in that: The disassembly and assembly structure (6) also includes a lower connecting block (61) fixed to one side of the bottom of the adjustment structure (5). A lower support plate (62) is fixed to one side of the lower connecting block (61), and a support shaft (63) is fixed to the top of the lower support plate (62).

8. The wrapping mechanism of the packaging machine according to claim 7, characterized in that: The central axis of the support shaft (63) and the central axis of the covering tube (7) are collinear, and the top end of the support shaft (63) passes through the limiting plate (64) and extends above the limiting plate (64).

9. The wrapping mechanism of the packaging machine according to claim 1, characterized in that: The limiting plate (64) and the upper connecting block (65) are engaged and connected by the limiting plate (64), and the bottom end of the fixing bolt (66) extends into the interior of the upper connecting block (65).

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