Double-channel film packaging machine

Abstract

The invention belongs to the technical field of film wrapping machines, and particularly relates to a double-channel film wrapping machine which comprises a rack, a circulating discharging device is arranged on the rack, a film wrapping device is arranged on the circulating discharging device, and a material taking device is further arranged at the top of the rack. The film wrapping device comprises two film releasing devices which are arranged on the machine frame and used for placing a sealing film roll, the machine frame is further provided with a plurality of guide rollers which are located between the two film releasing devices and can allow sealing films to penetrate and be wound, and a film sealing position allowing workpieces to fall off is formed between the two guide rollers. The machine frame is further provided with a film sealing device located at the film sealing position. The film sealing device comprises two film sealing assemblies arranged on the machine frame in a sliding mode. The whole film packaging machine automatically completes material taking through the material taking device and conveys the materials to the circulating discharging device, and then packaging is automatically completed through the film sealing device. The feeding speed of the equipment is high, automatic collaborative operation of the whole process is achieved, and therefore the production efficiency is remarkably improved.

Description

Technical Field

[0001] The invention belongs to the technical field of membrane wrapping machines, and in particular relates to a dual-channel membrane wrapping machine. Background Art

[0002] In modern industrial production, film wrapping machines, as important packaging equipment, are widely used in many industries such as food, medicine, and daily necessities. They automatically or semi-automatically wrap products, playing a key role in improving product aesthetics, protecting product quality, and facilitating product transportation and storage. However, in the packaging process of metal can lids, the film wrapping machines currently on the market still have many shortcomings. Existing film wrapping machines often require manual loading operations during operation, which not only consumes a lot of manpower, but also has slow loading speeds and low efficiency, making it difficult to meet the needs of large-scale industrial production. In the film wrapping and cutting links, the degree of automation of traditional equipment is also low. At the same time, due to the lack of effective coordination and automated control in various links, the overall equipment runs slowly, and production efficiency is difficult to improve, which increases the company's production costs and restricts its development. Summary of the Invention

[0003] The purpose of the present invention is to overcome the above-mentioned shortcomings and provide a dual-channel membrane packaging machine.

[0004] The present invention provides a dual-channel film wrapping machine, comprising a frame, a circulating discharging device is provided on the frame, a film wrapping device is provided on the circulating discharging device, a material picking device is also provided on the top of the frame, the material picking device is used to transport the workpiece to be sealed to the film wrapping device, the film wrapping device comprises two film placing devices arranged on the frame for placing the film roll, the frame is also provided with a plurality of guide rollers for the film to be passed around and located between the two film placing devices, wherein a film sealing position for the workpiece to fall is formed between the two guide rollers, the frame is also provided with a film sealing device located at the film sealing position, and the film sealing device comprises two film sealing assemblies slidably arranged on the frame.

[0005] Furthermore, the material taking device includes a mounting frame slidably arranged on the frame, a lifting rod lifted and lowered on the mounting frame, and clamping claws slidably arranged at both ends of the lifting rod.

[0006] Furthermore, the circulating discharging device includes mounting plates arranged on both sides of the frame, two chains rotatably arranged on the two mounting plates, a plurality of spaced support shafts are arranged between the two chains, and two adjacent support shafts are used for supporting and transporting the workpiece.

[0007] Furthermore, the film placing device includes a sliding frame slidably connected to the frame, a supporting component arranged on the sliding frame for supporting the film sealing roll, and a limiting component arranged on the sliding frame for limiting the film sealing roll.

[0008] Furthermore, the support assembly includes two support rollers rotatably arranged on a sliding frame and spaced apart.

[0009] Furthermore, the limiting assembly includes a limiting roller rotatably arranged on a sliding frame.

[0010] Furthermore, the film sealing assembly includes a film sealing plate slidably arranged on the frame and a heat sealing plate connected to the film sealing plate. The heat sealing plate and the film sealing plate are movably connected via a guide rod. A spring is sleeved on the guide rod and the spring is located between the film sealing plate and the heat sealing plate.

[0011] Furthermore, an upper heat sealing strip and a lower heat sealing strip are provided on one side of the heat sealing plate close to the workpiece, and a cutting wire is provided between the upper heat sealing strip and the lower heat sealing strip.

[0012] Furthermore, the mounting plate is provided with an anti-deflection device for limiting the workpiece.

[0013] Furthermore, the anti-deviation device includes a fixing frame arranged on the mounting plate and a limiting railing detachably connected to the fixing frame.

[0014] The technical solution provided by the present invention has at least the following technical effects: The reclaimer precisely grips the can lid and moves it to the film-sealing position between two guide rollers. The lid and the film are then driven down synchronously, ensuring they are accurately placed in the designated position on the circulating discharge device. The film-sealing device is then activated, moving the film-sealing components on both sides to complete the packaging process. The packaged can lid is then transported to the designated location by the circulating discharge device. The entire film wrapping machine automatically retrieves and transports the material to the circulating discharge device through the reclaimer, where it is then automatically packaged by the film-sealing device. This equipment boasts rapid loading speeds and automated, collaborative operation throughout the entire process, significantly improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 This is a structural diagram of a film wrapping machine according to an embodiment of the present invention; Figure 2 This is a schematic structural diagram of a material taking device according to an embodiment of the present invention; Figure 3 Schematic diagram of the partial structure of the film wrapping machine according to the embodiment of the present invention Figure 1 ; Figure 4 Schematic diagram of the partial structure of the film wrapping machine according to the embodiment of the present invention Figure 2 ; Figure 5 For the embodiment of the present invention Figure 4 Enlarged view of point A in the middle.

[0017] Explanation of the main figure marks: 1. Frame; 2. Material taking device; 21. Mounting frame; 22. Lifting rod; 23. Clamp; 3. Circulating discharge device; 31. Mounting plate; 32. Chain; 33. Support shaft; 4. Film placing device; 41. Sliding frame; 42. Support roller; 43. Limiting roller; 5. Film sealing assembly; 51. Film sealing plate; 52. Heat sealing plate; 53. Guide rod; 54. Spring; 6. Support rod; 7. Upper heat sealing strip; 8. Lower heat sealing strip; 9. Cutting wire; 10. Fixed frame; 11. Limiting railing; 12. Adjusting rod; 13. Limiting disk; 14. Handwheel. DETAILED DESCRIPTION

[0018] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0019] This embodiment discloses a dual-channel membrane packaging machine, such as Figure 1 As shown, it includes a frame 1, a circulating discharging device 3 is provided on the frame 1, a film wrapping device is provided on the circulating discharging device 3, and a material picking device 2 is also provided on the top of the frame 1. The material picking device 2 is used to transport the workpiece to be sealed to the film wrapping device, and the film wrapping device includes two film placing devices 4 for placing the film roll arranged on the frame 1, and the frame 1 is also provided with a plurality of guide rollers for the film to be passed through and wound between the two film placing devices 4, wherein a film sealing position for the workpiece to fall is formed between the two guide rollers, and the frame 1 is also provided with a film sealing device located at the film sealing position, and the film sealing device includes two film sealing components 5 slidably arranged on the frame 1.

[0020] The material taking device 2 is located above the film coating device. Figure 2 As shown in the figure, the material removal device 2 primarily consists of a mounting frame 21 that slides on the frame 1, a lifting rod 22 that rises and falls on the mounting frame 21, and clamping jaws 23 slidably mounted on both ends of the lifting rod 22. The sliding of the mounting frame 21 and the raising and lowering of the lifting rod 22 are both achieved through a drive mechanism such as a rack drive, thereby completing the material removal and discharge operations along the X and Y axes. The clamping jaws 23 on either side of the lifting rod 22 are driven by pneumatic cylinders, and the clamping action of the clamping jaws 23 securely grasps the metal can lid.

[0021] The circulating discharge device 3 is used to receive the metal can lids to be packaged, and to perform packaging and post-package transportation. Specifically, in this embodiment, the circulating discharge device 3 includes mounting plates 31 disposed on either side of the frame 1, and two chains 32 rotatably mounted on the two mounting plates 31. The mounting plates 31 are secured to the frame 1 on either side by bolts, and the two chains 32 are driven by sprockets driven by a motor. Between the two chains 32 are several spaced support shafts 33, with adjacent support shafts 33 used to support and transport the workpieces. The rotation of the chains 32 facilitates the transportation of the metal can lids.

[0022] like Figure 1 As shown, the two film placing devices 4 are distributed left and right and up and down. Figure 3 and Figure 4 As shown, the film unwinding device 4 includes a sliding frame 41 slidably connected to the frame 1, a support assembly mounted on the sliding frame 41 for supporting the film roll, and a stop assembly mounted on the sliding frame 41 for limiting the film roll's position. The sliding frame 41 is slidably connected to the frame 1 via a rail assembly, allowing the sliding frame 41 to slide out from one side of the frame 1 to facilitate replacement and installation of the film roll. The support assembly includes two support rollers 42 rotatably mounted on the sliding frame 41 and spaced apart. One of the support rollers 42 is driven by a motor to rotate the film roll. The stop assembly includes a stop roller 43 rotatably mounted on the sliding frame 41. The stop roller 43 positions the film roll on both sides, preventing it from shifting. One of the stop rollers 43 can be adjusted in position via an adjustment rod 12. One end of the adjustment rod 12 is connected to the handwheel 14, and the other end is connected to the support rod 6 inside the stop roller 43 (the support rod 6 and the stop roller 43 are rotatably connected). By pulling the hand wheel 14, the adjusting rod 12 is driven to move, and then the support rod 6 and the limiting roller 43 are pulled to facilitate the loading of the film sealing roll. After loading is completed, the limiting disk 13 on the inside is locked and the hand wheel 14 is used to limit and fix.

[0023] like Figure 4 、 Figure 5As shown, the film sealing assembly 5 comprises a film sealing plate 51 slidably mounted on the frame 1 and a heat-sealing plate 52 connected thereto. The film sealing plate 51 and the heat-sealing plate 52 are movably connected via a guide rod 53, which is sleeved with a spring 54 and positioned between the film sealing plate 51 and the heat-sealing plate 52. After the clamping jaws 23 place the metal can sheet to be encapsulated on the support shaft 33, the film sealing plates 51 on either side, driven by a pneumatic cylinder, move toward each other, clamping the film and heat-sealing it. The combined action of the guide rod 53 and the spring 54 ensures elastic, buffered contact between the two film sealing plates 51. The side of the heat-sealing plate 52 proximal to the workpiece is provided with an upper heat-sealing strip 7 and a lower heat-sealing strip 8, with a heated cutting wire 9 interposed between them. The upper and lower heat-sealing strips 7, 8, and the cutting wire 9 are all electrically heated to achieve heat sealing. The specific principles are well known to those skilled in the art and will not be described in detail in this embodiment. The upper heat sealing strip 7 and the lower heat sealing strip 8 perform heat sealing operation and are cut by the middle cutting wire 9, thereby completing the packaging of the metal can lid.

[0024] Working Principle: The metal can lid is grasped by the gripper 23 of the retrieving device 2. The lifting action of the lifting rod 22 and the sliding function of the mounting frame 21 move the metal can lid to the two support shafts 33 at the film sealing position. To prevent the metal can lid from loosening or shifting on the support shafts 33, a workpiece anti-slip device is installed on the mounting plate 31. This anti-slip device consists of a fixed frame 10 mounted on the mounting plate 31 and a removable stop rail 11 connected to the fixed frame 10. The stop rail 11 is bolted to the fixed frame 10, and the distance between the two stop rails 11 can be adjusted to meet different needs. The action of the two stop rails 11 on both sides effectively prevents the metal can lid from loosening or shifting. During the grasping process, the metal can lid and the film seal move downward synchronously (the two film seal rolls rotate accordingly). Then, the cylinder drives the two film seal plates 51 to move toward each other. After contact, the upper and lower heat seal strips 7 and 8 are heat-sealed together, and then cut by the cutting wire 9. Next, the motor starts, rotating the chain 32 via the sprocket, transporting the packaged metal can strips to the designated location. This cycle repeats, with the entire film wrapping machine automatically taking the material through the take-up device 2 and transporting it to the circulating discharge device 3. The film sealing device then automatically completes the packaging. This equipment boasts rapid loading speeds, achieving automated and coordinated operation throughout the entire process, significantly improving production efficiency.

[0025] The above illustrates and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the foregoing embodiments. The foregoing embodiments and descriptions merely illustrate the principles of the present invention. Various modifications and improvements are possible without departing from the spirit and scope of the present invention. Such modifications and improvements are intended to fall within the scope of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dual-channel membrane wrapping machine, characterized in that: The invention comprises a frame (1), wherein a circulating discharge device (3) is provided on the frame (1), and a film wrapping device is provided on the circulating discharge device (3). A material taking device (2) is also provided on the top of the frame (1), and the material taking device (2) is used to transport the workpiece to be sealed to the film wrapping device. The film wrapping device comprises two film placing devices (4) provided on the frame (1) for placing the film roll. The frame (1) is also provided with a plurality of guide rollers for the film to be passed around and located between the two film placing devices (4), wherein a film sealing position for the workpiece to fall is formed between the two guide rollers. The frame (1) is also provided with a film sealing device located at the film sealing position, and the film sealing device comprises two film sealing components (5) slidably provided on the frame (1).

2. The dual-channel membrane packaging machine according to claim 1, characterized in that: The material taking device (2) comprises a mounting frame (21) slidably arranged on the frame (1), a lifting rod (22) lifted and lowered on the mounting frame (21), and clamping claws (23) slidably arranged at both ends of the lifting rod (22).

3. The dual-channel membrane packaging machine according to claim 1, characterized in that: The circulating discharge device (3) comprises mounting plates (31) arranged on both sides of the frame (1), two chains (32) rotatably arranged on the two mounting plates (31), a plurality of support shafts (33) spaced apart are arranged between the two chains (32), and two adjacent support shafts (33) are used for supporting and transporting workpieces.

4. The dual-channel membrane packaging machine according to claim 1, characterized in that: The film placing device (4) comprises a sliding frame (41) slidably connected to the frame (1), a support assembly arranged on the sliding frame (41) for supporting the film sealing roll, and a limiting assembly arranged on the sliding frame (41) for limiting the film sealing roll.

5. The dual-channel membrane wrapping machine according to claim 4, characterized in that: The support assembly comprises two support rollers (42) rotatably arranged on a sliding frame (41) and spaced apart.

6. The dual-channel membrane packaging machine according to claim 4, characterized in that: The limiting assembly comprises a limiting roller (43) rotatably arranged on a sliding frame (41).

7. The dual-channel membrane packaging machine according to claim 1, characterized in that: The film sealing assembly (5) comprises a film sealing plate (51) slidably arranged on the frame (1), and a heat sealing plate (52) connected to the film sealing plate (51); the heat sealing plate (52) and the film sealing plate (51) are movably connected via a guide rod (53); a spring (54) is sleeved on the guide rod (53); and the spring (54) is located between the film sealing plate (51) and the heat sealing plate (52).

8. The dual-channel membrane packaging machine according to claim 7, characterized in that: An upper heat sealing strip (7) and a lower heat sealing strip (8) are provided on one side of the heat sealing plate (52) close to the workpiece, and a cutting wire (9) is provided between the upper heat sealing strip (7) and the lower heat sealing strip (8).

9. The dual-channel membrane packaging machine according to claim 3, characterized in that: The mounting plate (31) is provided with an anti-deflection device for limiting the position of the workpiece.

10. The dual-channel membrane packaging machine according to claim 9, characterized in that: The anti-deflection device comprises a fixing frame (10) arranged on a mounting plate (31) and a limiting railing (11) detachably connected to the fixing frame (10).

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