Stretching film packaging machine

Abstract

The utility model discloses a stretch film packaging machine which comprises an operation table, a conveying frame fixedly connected to the upper end face of the operation table, a fixing plate fixedly connected to one side of the conveying frame, a control box fixedly connected to the upper end face of the fixing plate, an installation rod arranged on the side, adjacent to the conveying frame, of the control box, and an upper film roll movably connected to the outer wall of the installation rod. A mounting groove is formed in the section, away from the control box, of the mounting rod, a mounting block is movably connected into the mounting groove, a first limiting disc is fixedly connected to the outer wall of the mounting block, and through use of hydraulic telescopic columns, the connecting plate and the two connecting columns can be driven to rise, so that the arc-shaped clamping blocks are driven to be separated from annular grooves, and the arc-shaped clamping blocks are separated from the first limiting disc; and a hydraulic telescopic column is matched to drive an arc-shaped clamping block to be in butt joint with an annular groove, fixing of the first limiting disc is achieved, rapid replacement of the upper film roll can be achieved, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging machines, in particular to a stretch film packaging machine. Background Art

[0002] Stretch film packaging machine is a new type of automatic packaging equipment, mainly used to stretch and wrap the stretch film on the surface of the product to form a protective layer. The use of stretch film packaging technology can effectively prevent dust, moisture, preserve freshness and appearance. At the same time, it has the advantages of high efficiency, labor saving and low cost. It is widely used in food, medical, chemical, daily necessities and other industries.

[0003] During use, the existing stretch film packaging machine covers the materials to be packaged by stretching the stretch film, and evacuates the interior through the vacuum box to ensure vacuum packaging. However, during use, since the use length of the upper film roll of the stretch film is limited, the film roll needs to be replaced once it is used up. During the replacement of the upper film roll of the existing stretch film packaging machine, the structure for fixing the upper film roll needs to be adjusted and disassembled, and the upper film roll needs to be limited by rotation and fixed with a screw. During use, debris entering the interior will affect the normal use of the screw, and long-term use will cause the screw to rust or the thread to be damaged, thereby affecting the replacement of the upper film roll, which is troublesome and cannot be replaced quickly and accurately. Utility Model Content

[0004] The utility model aims to provide a stretch film packaging machine, which can be lifted up with a connecting plate and two connecting columns by using a hydraulic telescopic column, so as to disengage the arc-shaped clamping block from the annular groove, realize the disengagement of the arc-shaped clamping block from the first limiting disk, thereby realize the rapid disassembly of the first limiting disk, realize the replacement of a new upper film roll, and cooperate with the hydraulic telescopic column to dock the arc-shaped clamping block with the annular groove to realize the fixation of the first limiting disk, so as to realize the rapid replacement of the upper film roll and improve the work efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stretch film packaging machine, comprising an operating table, a conveying frame is fixedly connected to the upper end surface of the operating table, a fixed plate is fixedly connected to one side of the conveying frame, a control box is fixedly connected to the upper end surface of the fixed plate, a mounting rod is provided on the side of the control box adjacent to the conveying frame, an upper film roll is movably connected to the outer wall of the mounting rod, a mounting groove is provided at a section of the mounting rod away from the control box, a mounting block is movably connected in the mounting groove, a first limiting plate is fixedly connected to the outer wall of the mounting block, an annular groove is provided at the outer edge of the first limiting plate, an arc-shaped clamping block is movably connected in the annular groove, two symmetrical connecting columns are fixedly connected to the outer wall of the arc-shaped clamping block, one end of the two connecting columns away from the arc-shaped clamping block is commonly fixedly connected to a connecting plate, a hydraulic telescopic column is fixedly connected to the upper end surface of the connecting plate, and the end of the hydraulic telescopic column away from the connecting plate is fixedly connected to a fixed frame, the fixed frame is fixedly connected to the control box, and two symmetrical guide rods are fixedly connected to the upper end surface of the connecting plate, and the guide rods are slidably connected to the fixed frame.

[0006] The beneficial effects of the utility model are as follows: the upper film roll can be quickly installed through the installation rod, and the first limiting plate can limit the upper film roll in cooperation with the docking of the installation block and the installation groove, thereby ensuring the stability between the upper film roll and the installation rod. At the same time, the hydraulic telescopic column can drive the connecting plate to drive the arc-shaped clamping blocks on the two connecting columns to dock with the annular groove, and the arc-shaped clamping blocks can limit the first limiting plate to ensure the stability of the first limiting plate, thereby realizing the fast installation box fixation of the upper film without affecting the normal film placing of the upper film roll.

[0007] In order to quickly install and fix the upper film roll and improve the replacement efficiency of the upper film roll;

[0008] As a further improvement of the above technical solution: a rotation groove is provided on the side of the control box that contacts the mounting rod, a rotation block is rotatably connected in the rotation groove, and the rotation block is fixedly connected to the mounting rod.

[0009] The beneficial effects of this improvement are: by using the rotating groove and the rotating block, it can be ensured that the mounting rod can drive the upper film roll to rotate, and it can be ensured that the mounting rod will not be skewed or shaken during the rotation process, thereby improving the stability of the mounting rod;

[0010] In order to limit the installation rod and ensure the stability of the installation rod;

[0011] As a further improvement of the above technical solution: a positioning plate is fixedly connected to one side of the conveying frame, a driving motor is fixedly connected to the upper end surface of the positioning plate, an active roller is connected to the output end of the driving motor, a driven roller is provided on one side of the active roller, and the active roller and the driven roller are connected through a conveyor belt transmission.

[0012] The beneficial effects of this improvement are: through the action of the driving motor, the transmission between the conveyor belt and the driven tube can be driven by the rotation of the active roller, so that the shovel blade is transported by the conveyor belt, providing the power for the operation of the packaging machine and improving the efficiency of product assurance;

[0013] In order to drive the conveyor belt;

[0014] As a further improvement of the above technical solution: a vacuum box is fixedly connected to the upper end surface of the conveying rack, a connecting pipe is fixedly connected to one side of the vacuum box, a vacuum pump is fixedly connected to the end of the connecting pipe away from the vacuum box, a retaining block is fixedly connected to the lower end surface of the vacuum pump, and the retaining block is fixedly connected to the conveying rack.

[0015] The beneficial effect of this improvement is that the air between the upper film and the lower film can be evacuated by the vacuum pump in conjunction with the use of a vacuum box, thereby vacuum packaging the product and improving the quality of product packaging.

[0016] In order to achieve vacuum packaging of the product;

[0017] As a further improvement of the above technical solution: a second limiting plate is fixedly connected to the outer wall of the mounting rod.

[0018] The beneficial effect of this improvement is that the upper film roll can be limited by using the second limiting disk, and cooperated with the first limiting disk to ensure the accuracy of the position of the upper film roll during installation and use, and prevent the upper film roll from deviating during installation, thereby affecting the normal packaging of the product;

[0019] In order to limit the upper film roll and ensure the accuracy of the upper film roll position;

[0020] As a further improvement of the above technical solution: a connecting block is fixedly connected to a side of the first limiting plate away from the upper film roll, and a handle is fixedly connected to a side of the connecting block away from the first limiting plate.

[0021] The beneficial effects of this improvement are: by using the connecting block and the handle, the first limit plate can be quickly removed and installed, which is convenient for the staff to master;

[0022] In order to realize the installation and removal of the first limiting plate;

[0023] As a further improvement of the above technical solution: a positioning rod is provided on one side of the installation rod, the positioning rod is fixedly connected to the control box, and an auxiliary roller is rotatably connected to the outer wall of the positioning rod.

[0024] The beneficial effects of this improvement are: by using the positioning rod and the auxiliary roller, the upper film can be assisted in winding and conveying, the tension of the upper film during conveying can be increased, and wrinkles of the upper film can be prevented during use, which would affect the packaging effect of the product;

[0025] In order to assist the movement of the upper film, the tension is increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 An isometric structural schematic diagram provided for the utility model;

[0027] Figure 2 A rear view provided for the utility model;

[0028] Figure 3 The utility model provides Figure 2 The three-dimensional cross-section view at AA in the middle;

[0029] Figure 4 The utility model provides Figure 3 The enlarged view of point A in the middle;

[0030] Figure 5 A top view provided for the utility model;

[0031] Figure 6 The utility model provides Figure 5 Three-dimensional cross-section view at the middle BB.

[0032] In the figure, 1, operating table; 11, conveying frame; 12, fixing plate; 13, control box; 14, mounting rod; 15, upper film roll; 16, mounting groove; 17, mounting block; 18, first limiting plate; 19, annular groove; 20, arc-shaped clamping block; 21, connecting column; 22, connecting plate; 23, hydraulic telescopic column; 24, fixing frame; 25, guide rod; 31, rotating groove; 32, rotating block; 41, positioning plate; 42, driving motor; 43, active roller; 44, driven roller; 45, conveyor belt; 51, vacuum box; 52, connecting pipe; 53, vacuum pump; 54, retaining block; 61, second limiting plate; 71, connecting block; 72, handle; 81, positioning rod; 82, auxiliary roller. DETAILED DESCRIPTION

[0033] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0034] like Figures 1 to 6As shown, a stretch film packaging machine provided by an embodiment of the utility model comprises an operating table 1, wherein the upper end surface of the operating table 1 is fixedly connected to a conveying frame 11, a fixing plate 12 is fixedly connected to one side of the conveying frame 11, a control box 13 is fixedly connected to the upper end surface of the fixing plate 12, a mounting rod 14 is provided on the side of the control box 13 adjacent to the conveying frame 11, an upper film roll 15 is movably connected to the outer wall of the mounting rod 14, and the upper film roll 15 can be installed and connected through the mounting rod 14, a section of the mounting rod 14 away from the control box 13 is provided with a mounting groove 16, a mounting block 17 is movably connected in the mounting groove 16, a first limiting plate 18 is fixedly connected to the outer wall of the mounting block 17, and the first limiting plate 18 is adjusted to the use position of the upper film roll 15 through the docking of the mounting block 17 with the mounting groove 16. The second limiting plate 61 is fixedly connected to the outer wall of the mounting rod 14, so that the first limiting plate 18 and the second limiting plate 61 clamp the upper film roll 15 in the center to ensure the accuracy of the use position of the upper film roll 15, to achieve accurate installation and prevent the upper film roll 15 from deflecting. The outer edge of the first limiting plate 18 is provided with an annular groove 19, and an arc-shaped clamping block 20 is movably connected in the annular groove 19. Two symmetrical connecting columns 21 are fixedly connected to the outer wall of the arc-shaped clamping block 20. The ends of the two connecting columns 21 away from the arc-shaped clamping block 20 are commonly fixedly connected to a connecting plate 22. A hydraulic telescopic column 23 is fixedly connected to the upper end surface of the connecting plate 22. The end of the hydraulic telescopic column 23 away from the connecting plate 22 is fixedly connected to a fixing frame 24. The fixing frame 24 is fixedly connected to the control box 13 and hydraulically connected to the control box 13. The use of the telescopic column 23 can make the connecting plate 22 and the two connecting columns 21 drive the arc-shaped block 20 to dock with the annular groove 19, thereby fixing the position of the first limit plate 18 and preventing the first limit plate 18 from falling off the mounting rod 14. At the same time, it can ensure the normal film release of the upper film roll 15 and improve the stability of the upper film roll 15 during the film release process. The upper end surface of the connecting plate 22 is fixedly connected to two symmetrical guide rods 25, and the guide rods 25 are slidably connected to the fixing frame 24. The two guide rods 25 can guide the connecting plate 22 to ensure that the connecting plate 22 always maintains a vertical upward and downward movement trajectory during the lifting process to prevent the arc-shaped block 20 from deflecting. A rotating groove 31 is provided on the side of the control box 13 that contacts the mounting rod 14. The rotating groove 31 rotates A rotating block 32 is connected, and the rotating block 32 is fixedly connected to the mounting rod 14. The rotating groove 31 and the rotating block 32 are used in coordination to limit the mounting rod 14, so as to ensure that the mounting rod 14 can rotate normally and ensure the stability of the mounting rod 14. A positioning plate 41 is fixedly connected to one side of the conveying frame 11, and a driving motor 42 is fixedly connected to the upper end surface of the positioning plate 41. The positioning plate 41 can fix the driving motor 42 to ensure the stable output of the driving motor 42. An active roller 43 is connected to the output end of the driving motor 42, and a driven roller 44 is arranged on one side of the active roller 43. The active roller 43 and the driven roller 44 are connected through a conveyor belt 45. Under the action of the driving motor 42, the active roller 43 is transmitted to the driven roller 44 through the conveyor belt 45.The product is transported by the conveyor belt 45 to achieve rapid packaging. The upper end surface of the conveying frame 11 is fixedly connected to a vacuum box 51, and one side of the vacuum box 51 is fixedly connected to a connecting pipe 52. The end of the connecting pipe 52 away from the vacuum box 51 is fixedly connected to a vacuum pump 53. The lower end surface of the vacuum pump 53 is fixedly connected to a retaining block 54. The retaining block 54 is fixedly connected to the conveying frame 11. Through the use of the vacuum pump 53 and the vacuum box 51, the product can be vacuum packaged to ensure the quality of the product. The first limiting plate 18 is away from the upper film roll 1 A connection block 71 is fixedly connected to one side of the mounting rod 14, and a handle 72 is fixedly connected to the side of the connection block 71 away from the first limiting plate 18. The handle 72 can facilitate the staff to grasp the first limiting plate 18, which is convenient for the installation box to be disassembled. A positioning rod 81 is provided on one side of the mounting rod 14. The positioning rod 81 is fixedly connected to the control box 13. The outer wall of the positioning rod 81 is rotatably connected to an auxiliary roller 82. Through the use of the positioning rod 81 and the auxiliary roller 82, the upper film roll 15 can be conveniently wound to increase the tension of the upper film and prevent wrinkles.

[0035] The working principle and use process of the utility model are as follows: when in use, first, through the action of the driving motor 42, the active roller 43 is driven through the conveyor belt 45 and the driven roller 44 to convey the product, and the film is pressed on the product in cooperation with the film release of the upper film roll 15. The product is packaged by using the vacuum pump 53 and the vacuum box 51. When the upper film roll 15 is used up and needs to be replaced, the hydraulic telescopic column 23 is retracted to separate the arc block from the annular groove 19 on the first limiting plate 18, and then the first limiting plate 18 is removed, and the installation block 1 7 is just out of the mounting groove 16, and a new upper film roll 15 is installed, and is connected to the mounting rod 14 again through the first limiting plate 18, so that the mounting block 17 is docked with the mounting groove 16, ensuring that the upper film roll 15 is stably installed between the first limiting plate 18 and the second limiting plate 61. Finally, the hydraulic telescopic column 23 is extended, and the arc-shaped clamping block 20 is clamped in the annular groove 19 to limit the first limiting plate 18. At the same time, the arc-shaped clamping block 20 slides in the annular groove 19 without hindering the rotation of the first limiting plate 18, thereby realizing the use process of the entire stretch film packaging machine.

[0036] The contents not described in detail in this specification belong to the prior art known to professionals in this field.

[0037] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A stretch film packaging machine, comprising an operating table (1), characterized in that: The upper end surface of the operating table (1) is fixedly connected to a conveying frame (11), one side of the conveying frame (11) is fixedly connected to a fixing plate (12), the upper end surface of the fixing plate (12) is fixedly connected to a control box (13), and a mounting rod (14) is provided on one side of the control box (13) adjacent to the conveying frame (11); An upper film roll (15) is movably connected to the outer wall of the mounting rod (14); a mounting groove (16) is provided at a section of the mounting rod (14) away from the control box (13); a mounting block (17) is movably connected in the mounting groove (16); a first limiting plate (18) is fixedly connected to the outer wall of the mounting block (17); an annular groove (19) is provided on the outer edge of the first limiting plate (18); an arc-shaped clamping block (20) is movably connected in the annular groove (19); two symmetrical connecting columns (21) are fixedly connected to the outer wall of the arc-shaped clamping block (20). The two connecting columns (21) are fixedly connected to a connecting plate (22) at one end away from the arc-shaped block (20); a hydraulic telescopic column (23) is fixedly connected to the upper end surface of the connecting plate (22); an end of the hydraulic telescopic column (23) is fixedly connected to a fixing frame (24) at one end away from the connecting plate (22); the fixing frame (24) is fixedly connected to the control box (13); two symmetrical guide rods (25) are fixedly connected to the upper end surface of the connecting plate (22); the guide rods (25) are slidably connected to the fixing frame (24).

2. A stretch film packaging machine according to claim 1, characterized in that: A rotation groove (31) is provided on the side of the control box (13) that contacts the mounting rod (14), a rotation block (32) is rotatably connected in the rotation groove (31), and the rotation block (32) is fixedly connected to the mounting rod (14).

3. A stretch film packaging machine according to claim 1, characterized in that: A positioning plate (41) is fixedly connected to one side of the conveying frame (11); a driving motor (42) is fixedly connected to the upper end surface of the positioning plate (41); an active roller (43) is connected to the output end of the driving motor (42); a driven roller (44) is provided on one side of the active roller (43); and the active roller (43) and the driven roller (44) are connected to each other by a conveying belt (45).

4. A stretch film packaging machine according to claim 1, characterized in that: The upper end surface of the conveying frame (11) is fixedly connected to a vacuum box (51), one side of the vacuum box (51) is fixedly connected to a connecting pipe (52), one end of the connecting pipe (52) away from the vacuum box (51) is fixedly connected to a vacuum pump (53), the lower end surface of the vacuum pump (53) is fixedly connected to a retaining block (54), and the retaining block (54) is fixedly connected to the conveying frame (11).

5. The stretch film packaging machine according to claim 1, characterized in that: A second limiting plate (61) is fixedly connected to the outer wall of the mounting rod (14).

6. A stretch film packaging machine according to claim 1, characterized in that: A connecting block (71) is fixedly connected to a side of the first limiting plate (18) away from the upper film roll (15), and a handle (72) is fixedly connected to a side of the connecting block (71) away from the first limiting plate (18).

7. The stretch film packaging machine according to claim 1, characterized in that: A positioning rod (81) is provided on one side of the installation rod (14), the positioning rod (81) is fixedly connected to the control box (13), and an auxiliary roller (82) is rotatably connected to the outer wall of the positioning rod (81).

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