Film opening device for film opening channel of packaging machine

By designing a film stretching device for opening the film path of the packaging machine and utilizing the coordination of the fixing component, the toggle component and the center sealing component, the problem of excessively long film bags was solved, packaging efficiency and equipment stability were improved, and costs and failure rates were reduced.

CN223341090UActive Publication Date: 2025-09-16ANHUI PANDO EP TECH CO LTD
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Patent Information

Application Number
CN202422886931.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-09-16
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

The existing film stretching device has the problem of film bags being too long, which leads to resource waste, increased material costs, and may affect packaging efficiency and equipment operation. In addition, the middle sealing wheel is prone to shrinkage, affecting packaging quality and equipment stability.

Method used

A film stretching device for opening the film path of a packaging machine is designed, which includes a fixing component, a toggle component, a film stretching component, a middle sealing component and a splitting component. The counting transmission control system and the electric push rod are used to ensure the reasonable length of the film bag. The middle sealing wheel is used to organize and reinforce the film bags, thereby improving the film sealing efficiency.

Benefits of technology

It effectively avoids the film bags from being too long, improves packaging efficiency, reduces resource waste, lowers material costs, reduces the frequency of equipment failures and maintenance shutdowns, and improves packaging quality and equipment stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of packaging machines, and discloses a film opening device for a film opening channel of a packaging machine, which comprises a main body component, a fixing component arranged on one side of the main body component, a cutting component arranged on the other side of the main body component, a shifting component arranged inside the fixing component, a film opening component arranged on one side of the fixing component, and a film opening component arranged on the other side of the fixing component. The middle sealing assembly is arranged at the end, away from the fixing assembly, of the film expanding assembly, the fixing piece abuts against objects, the objects cannot be disordered, and the shifting block abuts against the surfaces of the objects and moves up and down under the action of the spring to conduct counting and conveying of the control system. The electric push rod is started to push the counted articles backwards by a fixed distance, and the pushing speed of the electric push rod is higher than that of the first conveying belt, so that the problems that the final film bag is too long, the articles move along with the outer wrapping film, and the outer wrapping film passes through the front two middle sealing wheels to be arranged and then is shrunk through the middle sealing pieces are solved; and then the film is reinforced by the two rear middle sealing wheels, so that the film sealing efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of packaging machines, and more particularly to a film stretching device for opening a film path of a packaging machine. Background Art

[0002] As people's living standards improve, the demand for convenience foods increases, which further promotes the development of the food packaging industry and thus promotes the development of film stretching devices. The film stretching devices used for opening the film channel of the packaging machine are designed to improve the efficiency and quality of the packaging process and reduce labor costs.

[0003] The existing film stretching device has the problem of film bags being too long, which directly leads to waste of resources. The excessive length of the film bags not only increases material costs, but may also lead to reduced packaging efficiency and affect the operation of the production line. Secondly, the middle sealing wheel is prone to shrinkage, which not only affects the packaging quality, but also may lead to increased frequency of equipment failure and maintenance shutdowns.

[0004] Therefore, in order to solve the above problems, the present application provides a film stretching device for opening a film path of a packaging machine. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides a film stretching device for opening a film path of a packaging machine to solve the problems existing in the above-mentioned background technology.

[0006] The utility model provides the following technical solution: a film stretching device for opening a film path of a packaging machine, comprising a main body component, a fixed component is provided on one side of the main body component, a splitting component is provided on the other side of the main body component, a toggle component is provided inside the fixed component, a film stretching component is provided on one side of the fixed component, and a middle sealing component is provided at the end of the film stretching component away from the fixed component, the toggle component comprises a slider, a fixed shaft, a toggle block, a spring and an electric push rod, wherein the slider is movably arranged in a slide groove of the fixed block, one end of the slider is fixedly connected to the fixed shaft, the outer wall of the fixed shaft is movably connected to the toggle block, the toggle block is arranged inside the slider, the end of the toggle block away from the fixed shaft is movably connected to the slider through a spring, and the outer wall of the end of the slider close to the fixed shaft is fixedly connected to the output end of the electric push rod.

[0007] Preferably, the film stretching assembly includes a triangular plate, a protective member, a second rotating shaft, a second rotating member, a second conveyor belt, a mounting column and a first gear ring, wherein the triangular plate is fixedly connected to the upper end of the base, one end of the triangular plate close to the mounting block is fixedly connected to the protective member, the second rotating shaft is movably connected, the outer wall of the second rotating shaft is fixedly connected to the second rotating member, and the output end of the second rotating member is fixedly connected to the first gear ring; the mounting column is fixedly connected to the inside of the base.

[0008] Preferably, the center sealing assembly includes a column, a rectangular block, a second gear ring, a third gear ring, a second motor, a third rotating shaft, a center sealing wheel and a center sealing part, wherein the column is fixedly connected to the upper end of the base, the inner upper end of the column is fixedly connected to the rectangular block, the third rotating shaft movably passes through the rectangular block, the upper end of the rectangular block is fixedly connected to the second gear ring, the second gear ring is movably set at the upper end of the rectangular block, the lower end of the third rotating shaft is provided with a center sealing wheel, the second gear ring is meshed with the third gear ring, the third gear ring is fixedly connected to the output end of the second motor, and a center sealing part is provided in the middle of the rectangular block for shrinking the outer film.

[0009] Preferably, the fixing assembly includes a support column, a fixing block, a bolt, a nut, an adjusting block and a fixing piece, wherein the support columns are arranged at both ends of the moving block, and the support columns are fixedly connected to the top of the base, the fixing blocks are fixedly connected between the support columns, a bolt is arranged in the middle of the fixing block, the adjusting block is fixedly connected to the bolt through a nut, and the bottom of the adjusting block is fixedly connected to the fixing piece.

[0010] Preferably, the splitting assembly includes a vertical pole, a sealing splitter, a transmission frame, a fourth rotating shaft, a clamping piece, an iron rod, a fourth gear ring and a third motor, wherein the vertical pole is fixedly connected to the upper end of the base, the middle part of the lower end of the base is fixedly connected to the sealing splitter, the inner bottom end of the sealing splitter is fixedly connected to the transmission frame, two transmission frames are symmetrically arranged, and the fourth rotating shaft is arranged at both ends of the transmission frame, the outer wall of the fourth rotating shaft is circumferentially distributed with clamping pieces, an iron rod is arranged inside the transmission frame, one end of the fourth rotating shaft is fixedly connected to the third motor, the third motor is fixedly connected to the fourth gear ring, and the third motor is meshed with the first gear ring.

[0011] Preferably, the main body component includes a base, a mounting block, a first rotating shaft, a first rotating member, a first conveyor belt, a moving block, a skateboard and a first motor, wherein the base is fixedly connected to the mounting block, the first rotating shaft is movably connected between the mounting blocks, one end of the first rotating shaft is fixedly connected to the output shaft of the first motor, the outer wall of the first rotating shaft is fixedly connected to the first rotating member, the first rotating member is connected through the first conveyor belt transmission, moving blocks are provided on the left and right sides of the first conveyor belt, the moving block is slidably connected to the skateboard, and the other end of the skateboard is fixedly connected to the outer wall of the base.

[0012] The technical effects and advantages of this utility model are:

[0013] The fixing parts are against the items to prevent them from being in disorder. The toggle block is against the surface of the object and moves up and down under the action of the spring to count and transmit the control system. When the number set by the control system is reached, the electric push rod starts to push the counted items back a fixed distance and the speed of the electric push rod is greater than the speed of the first conveyor belt to avoid the final film bag being too long due to different positions. The items move with the conveyor belt to the outer film on the second conveyor belt. The outer film is sorted between the two middle sealing wheels in front, and then shrunk by the middle sealing piece, and then reinforced between the two middle sealing wheels at the back to improve the film sealing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 It is a schematic cross-sectional view of the overall structure of the present invention.

[0016] Figure 3 for Figure 2 Schematic diagram of the structure at point A in the middle.

[0017] Figure 4 for Figure 2 Schematic diagram of the structure at point B.

[0018] Figure 5 for Figure 2 Schematic diagram of the structure at point C in the middle.

[0019] Figure 6 for Figure 1 Schematic diagram of the structure at point D in the middle.

[0020] The accompanying drawings are marked as follows: 1. Main assembly; 101. Base; 102. Mounting block; 103. First rotating shaft; 104. First rotating member; 105. First conveyor belt; 106. Moving block; 107. Slide plate; 108. First motor; 2. Fixing assembly; 201. Support column; 202. Fixing block; 203. Bolt; 204. Nut; 205. Adjusting block; 206. Fixing member; 3. Toggle assembly; 301. Slider; 302. Fixed shaft; 303. Toggle block; 304. Spring; 305. Electric push rod; 4. Film stretching assembly; 401. Triangular plate; 402. Protective Guard; 403, second rotating shaft; 404, second rotating member; 405, second conveyor belt; 406, mounting column; 407, first gear ring; 5, middle sealing assembly; 501, column; 502, rectangular block; 503, second gear ring; 504, third gear ring; 505, second motor; 506, third rotating shaft; 507, middle sealing wheel; 508, middle sealing member; 6, splitting assembly; 601, column; 602, sealing splitting member; 603, transmission frame; 604, fourth rotating shaft; 605, clamping member; 606, iron rod; 607, fourth gear ring; 608, third motor. DETAILED DESCRIPTION

[0021] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the drawings in the present invention. In addition, the forms of the various structures described in the following embodiments are merely examples. The film stretching device for opening the film channel of a packaging machine involved in the present invention is not limited to the various structures described in the following embodiments. All other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0022] Reference Figure 1 and Figure 2 The utility model provides a film stretching device for opening a film channel of a packaging machine, comprising a main body component 1, a fixing component 2 is provided on one side of the main body component 1, a dividing component 6 is provided on the other side of the main body component 1, a shifting component 3 is provided inside the fixing component 2, a film stretching component 4 is provided on one side of the fixing component 2, and a middle sealing component 5 is provided on the end of the film stretching component 4 away from the fixing component 2;

[0023] like Figure 1 and Figure 2 As shown, the main assembly 1 includes a base 101, a mounting block 102, a first rotating shaft 103, a first rotating member 104, a first conveyor belt 105, a moving block 106, a slide 107 and a first motor 108, wherein four mounting blocks 102 are fixedly connected to the base 101, and the first rotating shaft 103 is movably connected between every two symmetrically distributed mounting blocks 102, one end of one of the first rotating shafts 103 is fixedly connected to the output shaft of the first motor 108, the outer wall of the first rotating shaft 103 is fixedly connected to the first rotating member 104, and the two first rotating members 104 are connected by the first conveyor belt 105. Moving blocks 106 are provided on the left and right sides of the first conveyor belt 105, and a groove is provided at the bottom of the moving block 106. The moving block 106 is slidably connected to the slide 107, and the other end of the slide 107 is fixedly connected to the outer wall of the base 101. The moving block 106 slides along the slide 107 to adapt to the packaging of items of different sizes;

[0024] like Figure 1 、 Figure 2 and Figure 6As shown, the fixing assembly 2 includes a support column 201, a fixing block 202, a bolt 203, a nut 204, an adjusting block 205 and a fixing piece 206, wherein the two support columns 201 are arranged at both ends of the moving block 106, and the support columns 201 are fixedly connected to the top of the base 101, and the fixing block 202 is fixedly connected between the two support columns 201, the bottom end of the fixing block 202 is provided with a slide groove, and the middle of the fixing block 202 is provided with a bolt 203, and the adjusting block 205 is fixedly connected to the bolt 203 through the nut 204. The height of the adjusting block 205 can be adjusted by adjusting the nut 204. The bottom of the adjusting block 205 is fixedly connected to the fixing piece 206, and the fixing piece 206 can be used to hold objects against each other so that the objects can be moved in an orderly manner;

[0025] like Figure 1 、 Figure 2 and Figure 3 When the cam 305 is in the working state, the cam 306 is in the working state, and the cam 307 is in the working state, and the cam 308 is in the working state, and the cam 309 is in the working state, and the cam 309 is in the working state, and the cam 309 is in the working state, and the cam 309 is in the working state, and the cam 309 is in the working state, and the cam 309 is in the working state, and the cam 309 is in the working state, and the cam 309 is in the working state, and the cam 309 is in the working state, and the cam 309 is in the working state, and the cam 309 is in the working state, and the cam 309 is in the working state, and the cam 309 is in the working state, and the cam 309 is in the working state, and the cam 309 is in the working state, and the cam

[0026] like Figure 1 、 Figure 2 and Figure 4As shown, the film stretching assembly 4 includes a triangular plate 401, a protective member 402, a second rotating shaft 403, a second rotating member 404, a second conveyor belt 405, a mounting column 406 and a first gear ring 407, wherein the triangular plate 401 is fixedly connected to the upper end of the base 101, and one end of the triangular plate 401 close to the mounting block 102 is fixedly connected to the protective member 402. There are two triangular plates 401, and the two triangular plates 401 are movably connected to the second rotating shaft 403. The second rotating shaft 403 is used to prevent the outer film from being scratched. The outer wall of the second rotating shaft 403 is fixedly connected to the second rotating member 404. There are two second rotating members 404, which are connected by a second conveyor belt 405. The output end of the second rotating member 404 away from the triangular plate 401 is fixedly connected to the first gear ring 407; the mounting post 406 is fixedly connected to the inside of the base 101, and a roll of film is put on the mounting post 406, then passed over the protective member 402, and laid on the triangular plate 401 at both ends and on the second conveyor belt 405 in the middle, and is set at the bottom of the side close to the triangular plate 401. The cooperation between the triangular plate 401 and the protective member 402 avoids the bag jamming phenomenon caused by film shrinkage;

[0027] like Figure 1 and Figure 2 As shown, the middle sealing assembly 5 includes a column 501, a rectangular block 502, a second gear ring 503, a third gear ring 504, a second motor 505, a third rotating shaft 506, a middle sealing wheel 507 and a middle sealing member 508, wherein the column 501 is fixedly connected to the upper end of the base 101, and two columns 501 are provided, which play a supporting role. The inner upper end of the column 501 is fixedly connected to the rectangular block 502, and the two ends of the rectangular block 502 are symmetrically provided with the second gear ring 503, the third gear ring 504, the second motor 505, the third rotating shaft 506 and the middle sealing wheel 507, which are arranged one in front and one behind, respectively, for arranging the front and rear ends of the contraction. To ensure the shrinkage quality of the outer film and the outer film after shrinkage, the third rotating shaft 506 movably passes through the rectangular block 502. The upper end of the rectangular block 502 is fixedly connected to the second gear ring 503. The second gear ring 503 is movably set at the upper end of the rectangular block 502. The lower end of the third rotating shaft 506 is provided with a middle sealing wheel 507 for arranging the outer film. The second gear ring 503 is engaged with the third gear ring 504. The third gear ring 504 is fixedly connected to the output end of the second motor 505, thereby driving the two symmetrically distributed middle sealing wheels 507 to rotate inward to arranging the outer film. A middle sealing member 508 is provided in the middle of the rectangular block 502 for shrinking the outer film.

[0028] like Figure 1 、 Figure 2 and Figure 5As shown, the dividing assembly 6 includes a vertical rod 601, a sealing dividing piece 602, a transmission frame 603, a fourth rotating shaft 604, a clamping piece 605, an iron rod 606, a fourth gear ring 607 and a third motor 608, wherein the vertical rod 601 is fixedly connected to the upper end of the base 101, the middle part of the lower end of the base 101 is fixedly connected to the sealing dividing piece 602, the sealing dividing piece 602 is used to seal and cut off the outer film, the inner bottom end of the sealing dividing piece 602 is fixedly connected to the transmission frame 603, and two transmission frames 603 are symmetrically provided, and the two ends of the transmission frame 603 are provided with a first There are four rotating shafts 604, and several clamping parts 605 are distributed on the circumference of the outer wall of the fourth rotating shaft 604. The clamping parts 605 can be stuck in the gaps between the iron rods 606, thereby driving the iron rods 606 to rotate. Several iron rods 606 are arranged inside the transmission frame 603, and the iron rods 606 are transmitted inside the transmission frame 603. The sealing partition 602 falls and cuts the outer membrane. One end of the fourth rotating shaft 604 is fixedly connected to the third motor 608, and the third motor 608 is fixedly connected to the fourth gear ring 607. The third motor 608 is meshed with the first gear ring 407.

[0029] The working principle of this utility model:

[0030] The items to be packaged are arranged and placed on the first conveyor belt 105 between the two moving blocks 106. The first motor 108 is started, and the fixing part 206 is pressed against the items to prevent the items from being messed up. The toggle block 303 is pressed against the surface of the object. Due to the gap between the objects, one end of the toggle block 303 rotates around the fixed axis 302, and the other end moves up and down under the action of the spring 304 to perform the counting and transmission control system. When the number set by the control system is reached, the electric push rod 305 is started to push the counted items back a fixed distance and the speed of the electric push rod 305 is greater than the speed of the first conveyor belt 105 to avoid the final film bag being too long due to different positions. The fourth gear ring 607 and the second motor are started. 505, the fourth gear ring 607 drives the third motor 608 and the fourth rotating shaft 604 to rotate, and the third motor 608 is engaged with the first gear ring 407, thereby driving the second conveyor belt 405 to transmit backward. At this time, the outer film on the mounting column 406 has been laid around the protective member 402, and then the items continue to move with the conveyor belt to the outer film on the second conveyor belt 405. The outer film is arranged between the two front middle sealing wheels 507, and then shrunk by the middle sealing member 508, and then reinforced between the two rear middle sealing wheels 507 to improve the sealing efficiency. The outer film after the middle sealing is conveyed to the iron rod 606 together with the items, and the sealing partition 602 moves down to shrink and cut the outer film.

[0031] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change.

[0032] Secondly: The drawings of the embodiments disclosed in this utility model only involve structures related to the embodiments disclosed in this utility model. Other structures can refer to common designs. In the absence of conflicts, the same embodiment and different embodiments of the utility model can be combined with each other.

[0033] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A film stretching device for opening a film path of a packaging machine, comprising a main body component (1), characterized in that: A fixed component (2) is provided on one side of the main component (1), a splitting component (6) is provided on the other side of the main component (1), a toggle component (3) is provided inside the fixed component (2), a film stretching component (4) is provided on one side of the fixed component (2), a middle sealing component (5) is provided on the end of the film stretching component (4) away from the fixed component (2), the toggle component (3) comprises a slider (301), a fixed shaft (302), a toggle block (303), a spring (304) and an electric push rod (305), wherein the slider (301) is movably arranged in the slide groove of the fixed block (202), one end of the slider (301) is fixedly connected to the fixed shaft (302), the outer wall of the fixed shaft (302) is movably connected to the toggle block (303), the toggle block (303) is arranged inside the slider (301), the end of the toggle block (303) away from the fixed shaft (302) is movably connected to the slider (301) through the spring (304), and the outer wall of the end of the slider (301) close to the fixed shaft (302) is fixedly connected to the output end of the electric push rod (305).

2. A film stretching device for opening a film path of a packaging machine according to claim 1, characterized in that: The film stretching assembly (4) includes a triangular plate (401), a protective member (402), a second rotating shaft (403), a second rotating member (404), a second conveyor belt (405), a mounting column (406) and a first gear ring (407), wherein the triangular plate (401) is fixedly connected to the upper end of the base (101), one end of the triangular plate (401) close to the mounting block (102) is fixedly connected to the protective member (402), the 401 is movably connected to the second rotating shaft (403), the outer wall of the second rotating shaft (403) is fixedly connected to the second rotating member (404), and the output end of the second rotating member (404) is fixedly connected to the first gear ring (407); and the mounting column (406) is fixedly connected to the inside of the base (101).

3. The film stretching device for opening a film path of a packaging machine according to claim 1, characterized in that: The middle sealing assembly (5) comprises a column (501), a rectangular block (502), a second gear ring (503), a third gear ring (504), a second motor (505), a third rotating shaft (506), a middle sealing wheel (507) and a middle sealing member (508), wherein the column (501) is fixedly connected to the upper end of the base (101), the inner upper end of the column (501) is fixedly connected to the rectangular block (502), the third rotating shaft (506) movably passes through the rectangular block (502), and the middle sealing member (508) is fixedly connected to the inner upper end of the column (501). The upper end of the rectangular block (502) is fixedly connected to the second gear ring (503), the second gear ring (503) is movably arranged on the upper end of the rectangular block (502), a middle sealing wheel (507) is arranged at the lower end of the third rotating shaft (506), the second gear ring (503) is meshed with the third gear ring (504), the third gear ring (504) is fixedly connected to the output end of the second motor (505), and a middle sealing member (508) is arranged in the middle of the rectangular block (502) for shrinking the outer film.

4. The film stretching device for opening a film path of a packaging machine according to claim 1, characterized in that: The fixing assembly (2) comprises a support column (201), a fixing block (202), a bolt (203), a nut (204), an adjusting block (205) and a fixing piece (206), wherein the support columns (201) are arranged at both ends of the moving block (106), and the support columns (201) are fixedly connected to the top of the base (101), the fixing blocks (202) are fixedly connected between the support columns (201), a bolt (203) is arranged in the middle of the fixing block (202), the adjusting block (205) is fixedly connected to the bolt (203) through the nut (204), and the bottom of the adjusting block (205) is fixedly connected to the fixing piece (206).

5. The film stretching device for opening a film path of a packaging machine according to claim 1, characterized in that: The splitting assembly (6) comprises a vertical rod (601), a sealing splitter (602), a transmission frame (603), a fourth rotating shaft (604), a clamping member (605), an iron rod (606), a fourth gear ring (607) and a third motor (608), wherein the vertical rod (601) is fixedly connected to the upper end of the base (101), the middle part of the lower end of the base (101) is fixedly connected to the sealing splitter (602), the inner bottom end of the sealing splitter (602) is fixedly connected to the transmission frame (603), and the transmission Two moving frames (603) are symmetrically arranged, and a fourth rotating shaft (604) is arranged at both ends of the transmission frame (603), and a clamping member (605) is distributed on the circumference of the outer wall of the fourth rotating shaft (604). An iron rod (606) is arranged inside the transmission frame (603), and one end of the fourth rotating shaft (604) is fixedly connected to the third motor (608), and the third motor (608) is fixedly connected to the fourth gear ring (607), and the third motor (608) is meshed with the first gear ring (407).

6. The film stretching device for opening a film path of a packaging machine according to claim 1, characterized in that: The main assembly (1) includes a base (101), a mounting block (102), a first rotating shaft (103), a first rotating member (104), a first conveyor belt (105), a moving block (106), a slide plate (107) and a first motor (108), wherein the base (101) is fixedly connected with the mounting block (102), the first rotating shaft (103) is movably connected between the mounting blocks (102), one end of the first rotating shaft (103) is fixedly connected to the output shaft of the first motor (108), the outer wall of the first rotating shaft (103) is fixedly connected to the first rotating member (104), the first rotating member (104) is connected by transmission through the first conveyor belt (105), and moving blocks (106) are provided on the left and right sides of the first conveyor belt (105), the moving block (106) is slidably connected to the slide plate (107), and the other end of the slide plate (107) is fixedly connected to the outer wall of the base (101).