Cantilever film winding machine for covering top film

Abstract

The utility model provides a top film covering cantilever film winding machine which comprises a machine frame and a film winding mechanism, the film winding machine further comprises a cut-off film clamping mechanism, the cut-off film clamping mechanism comprises a support, a rotating assembly, a supporting arm, a second air cylinder, a pressing roller, an electric heating wire, a welding electric heating plate, a third air cylinder, a clamping plate and a clamping driving assembly, the rotating assembly is used for driving the supporting arm to turn over, and the clamping driving assembly is used for driving the supporting arm to turn over. The second air cylinder is arranged on the rotating assembly and used for driving the supporting arm to move transversely, the third air cylinder is arranged on the supporting arm and used for driving the welding electric heating plate to move transversely, the pressing roller and the electric heating wire are vertically arranged on the supporting arm, the clamping plate is located on the side, away from the pressing roller, of the electric heating wire, and the clamping driving assembly is arranged on the supporting arm. And the driving mechanism is used for driving the clamping plates to clamp the film on the supporting arms. Before the thin film is cut off, the thin film is clamped on the supporting arm through the clamping plate, the situation that the thin film is suspended and has no clamping force is avoided, and when the next film winding is carried out, the thin film can be arranged on a packaging body without manual work.

Description

TECHNICAL FIELD

[0001] The utility model relates to a top film suspends and relates to the technical field of packaging, specifically a top film suspends cantilever film winding machine. BACKGROUND

[0002] The winding machine is a kind of machine that the goods are wound with film to store and transport, usually the way of winding film is realized by machine rotation or goods rotation, the latter is easy to produce larger centrifugal force and has requirements to pallet, and the former has higher production and technical requirements to machine, and the cantilever winding machine is a kind of machine that is wound with film by machine rotation.

[0003] A kind of novel cantilever top film winding integrated machine is disclosed in Chinese patent publication No.CN211167528U, including rack, first servo motor, carousel, rotating crossbeam, rotating arm, second servo motor, film seat, third servo motor and other components, after winding several turns, third cylinder is rotated and moved by rotating rod, then rotating rod drives electric heating tube to approach film, and then electric heating tube cuts off film.But since film is cut off, the first end of film raw material roll loses restraint, so that the next time winding film needs to be assisted by manual film winding on the packaging body, which is very inconvenient, and manual assistance is prone to accidents such as worker winding, which is very unsafe.Based on this, the case is born. UTILITY MODEL CONTENT

[0004] (I) technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a kind of top film suspends cantilever film winding machine, solve the problem raised in the above background art.

[0006] (II) technical scheme

[0007] To achieve the above object, the utility model is realized by the following technical scheme: a kind of top film suspends cantilever film winding machine, including rack, winding mechanism, the winding machine further includes cutting-off film clamping mechanism, the cutting-off film clamping mechanism includes support, rotating assembly, support arm, cylinder two, compression roller, electric heating wire, welded electric heating plate, cylinder three, clamping plate, clamping drive assembly, the rotating assembly is used to drive support arm overturning, the cylinder two is arranged on rotating assembly, and it is used to drive support arm transverse movement, the cylinder three is arranged on support arm, and it is used to drive welded electric heating plate transverse movement, the compression roller, electric heating wire are all vertically arranged on support arm, the clamping plate is located at electric heating wire side away from compression roller, the clamping drive assembly is arranged on support arm, and it is used to drive clamping plate and be clamped on support arm with film.

[0008] Preferably, the rotating assembly comprises a receiving frame, a swing arm, a cylinder I, the receiving frame is arranged on the support, the bottom end of the swing arm is hinged in the receiving frame, the bottom end of the cylinder I is hinged in the receiving frame, and the output end is hinged with the middle part of the swing arm, and the cylinder II is arranged transversely on the swing arm.

[0009] Preferably, the clamping driving assembly comprises a cylinder V, a right-angle plate, a guide groove, the clamping plate is arranged at the outer end of the right-angle plate, the inner end of the right-angle plate is provided with a pulley slidingly fitted in the guide groove, the cylinder V is vertically arranged in the support arm, and the output end is hinged with the middle part of the right-angle plate connected with the pulley section.

[0010] Preferably, the cutting and clamping film mechanism further comprises an inner support plate and a cylinder IV, the inner support plate is vertically slidingly fitted on the rack, and corresponds to the welded electric heating plate, the cylinder IV is vertically arranged on the support, and the output end is connected with the inner support plate.

[0011] Preferably, the film winding mechanism comprises a rotating cross beam, a rotating arm, a driving motor, a film rack, a lifting module and a film roll, one end of the rotating cross beam is rotatably arranged at the top of the inner side of the rack, the driving motor is arranged at the top of the rack, and is connected with the rotating shaft of the rotating cross beam, the rotating arm is vertically arranged at the outer end of the rotating cross beam, the lifting module is arranged on the rotating arm and used for driving the film rack to lift, and the film roll is rotatably arranged on the film rack.

[0012] Preferably, the outer side of the rack is provided with a climbing ladder for climbing to the top of the rack.

[0013] (Three) beneficial effects

[0014] The utility model provides a kind of top film cantilever film winding machine.There is following beneficial effect:

[0015] 1, the top film cantilever film winding machine, before film is cut, film is clamped on support arm by clamping plate, prevent film from being suspended without clamping force, when next time winding film, no need to rely on artificial can film on packaging body, it is very convenient.

[0016] 2, the top film cantilever film winding machine, when the winding of film is carried out to last few turns, inner support plate is then wound after being lifted up, at this time, film is wound with inner support plate, then welded electric heating plate is pressed on inner support plate and tail end of film is welded, avoid the factor that welded electric heating plate can be directly pressed on film and possibly damage goods. DRAWINGS

[0017] Figure 1 It is the overall axonometric drawing of the utility model;

[0018] Figure 2This is a schematic diagram of the film-wrapping mechanism of this utility model;

[0019] Figure 3 This is a diagram showing the swing arm in its retracted state according to this utility model;

[0020] Figure 4 This is a schematic diagram of the cutting and clamping mechanism of this utility model;

[0021] Figure 5 This is a schematic diagram showing the correspondence between the inner support plate and the pressure roller of this utility model;

[0022] Figure 6 This is a side sectional view of the support arm of this utility model.

[0023] In the diagram: 1. Frame, 2. Film wrapping mechanism, 3. Film cutting and clamping mechanism, 5. Ladder, 21. Rotating beam, 22. Rotating arm, 23. Drive motor, 24. Film frame, 25. Lifting module, 26. Film roll, 31. Support, 32. Storage rack, 33. Swing arm, 34. Cylinder 1, 35. Support arm, 36. Cylinder 2, 37. Pressure roller, 38. Heating wire, 39. Welding heating plate, 40. Cylinder 3, 41. Inner support plate, 42. Cylinder 4, 43. Clamping plate, 44. Cylinder 5, 45. Right angle plate, 46. Pulley, 47. Vertical groove, 48. Bending groove. Detailed Implementation

[0024] This utility model embodiment provides a cantilever wrapping machine for covering film, such as Figures 1-6 As shown, it includes a frame 1 and a wrapping mechanism 2.

[0025] The wrapping mechanism 2 includes a rotating beam 21, a rotating arm 22, a drive motor 23, a film frame 24, a lifting module 25, and a film roll 26. One end of the rotating beam 21 is rotatably mounted on the top of the inner side of the frame 1. The drive motor 23 is mounted on the top of the frame 1 and connected to the rotating shaft of the rotating beam 21. The rotating arm 22 is vertically mounted on the outer end of the rotating beam 21. The rotating beam 21 is used to drive the rotating arm 22 to wrap around the packaged goods. The lifting module 25 is mounted on the rotating arm 22 and is used to drive the film frame 24 to lift. The lifting module 25 is an existing mature module, such as a screw and slide rail module or a gear and rack module. The film roll 26 is rotatably mounted on the film frame 24. A motor for driving the film roll 26 to rotate can be mounted on the film frame 24.

[0026] The wrapping machine may also include a top film covering mechanism, which is existing technology and will not be described in detail here.

[0027] To facilitate maintenance personnel climbing to the top of the frame 1 for maintenance, a ladder 5 is provided on the outside of the frame 1 for climbing to the top of the frame 1.

[0028] The innovation of the present application lies in the film cutting and clamping mechanism 3. The film winding machine further comprises the film cutting and clamping mechanism 3. The film cutting and clamping mechanism 3 comprises a support 31, a rotating assembly, a support arm 35, a second air cylinder 36, a pressing roller 37, an electric heating wire 38, a welding electric heating plate 39, a third air cylinder 40, a clamping plate 43 and a clamping driving assembly.

[0029] The rotating assembly is used to drive the support arm 35 to flip. The rotating assembly comprises a receiving frame 32, a swing arm 33 and a first air cylinder 34. The receiving frame 32 is arranged on the support 31. The bottom end of the swing arm 33 is hinged in the receiving frame 32. The bottom end of the first air cylinder 34 is hinged in the receiving frame 32. The output end of the first air cylinder 34 is hinged to the middle part of the swing arm 33.

[0030] As shown in Figure 3 , the second air cylinder 36 is arranged transversely on the swing arm 33 and is used to drive the support arm 35 to move transversely. The third air cylinder 40 is arranged on the support arm 35 and is used to drive the welding electric heating plate 39 to move transversely. The welding electric heating plate 39 has a heating function and is a commercially available product. The pressing roller 37 and the electric heating wire 38 are both arranged vertically on the support arm 35. The clamping plate 43 is arranged on the side of the electric heating wire 38 away from the pressing roller 37. The clamping driving assembly is arranged on the support arm 35 and is used to drive the clamping plate 43 to clamp the film on the support arm 35.

[0031] As shown in Figure 5 and Figure 6 , the clamping driving assembly comprises a fifth air cylinder 44, a right-angle plate 45 and a guide groove. The clamping plate 43 is arranged at the outer end of the right-angle plate 45. The inner end of the right-angle plate 45 is provided with a pulley 46 which is slidably fitted in the guide groove. The fifth air cylinder 44 is arranged vertically in the support arm 35. The output end of the fifth air cylinder 44 is hinged to the middle part of the pulley segment of the right-angle plate 45. The guide groove comprises a vertical groove 47 and a bent groove 48 which extends inwardly and bends.

[0032] As shown in Figure 6 , in the normal state, the fifth air cylinder 44 is in the maximum stroke state. The clamping plate 43 is in the uppermost position and is in the horizontal state. When the fifth air cylinder 44 is retracted downwardly, the pulley 46 on the right-angle plate 45 slides downwardly along the vertical groove 47. When it slides to the bent groove 48, the right-angle plate 45 will be reversed counterclockwise, so that the clamping plate 43 is flipped by 90° and clamped on the panel of the support arm 35.

[0033] In order to prevent the internal packaging from being damaged by the welding electric heating plate 39 when the film is heated and wound, the film cutting and clamping mechanism 3 further comprises an inner support plate 41 and a fourth air cylinder 42. The inner support plate 41 is slidably fitted vertically on the machine frame 1 and corresponds to the welding electric heating plate 39. The fourth air cylinder 42 is arranged vertically on the support 31 and is connected to the inner support plate 41.

[0034] Working principle: step one, the goods are stacked in the center below the rack 1, and then the film roll 26 of the film winding mechanism 2 is driven by the driving motor 23 and the lifting module 25 to wind the film on the periphery of the goods.

[0035] Step two, when the film winding is carried out to the last few turns, the inner support plate 41 is lifted up, and then the film roll 26 continues to wind, at this time, the film winds the inner support plate 41 together.

[0036] Step three, after winding, the support arm 35 is turned up by 90° by the cylinder 1 34.

[0037] Step four, the cylinder 2 36 pushes the pressure roller 37 on the inner support plate 41, and then the clamping plate 43 clamps the tail end of the film on the support arm 35 under the driving of the cylinder 5 44, the clamping plate 43 pulls the film to make the electric heating wire 38 contact the film and cut it off.

[0038] Step five, the cylinder 3 40 drives the welding electric heating plate 39 to press it on the inner support plate 41, so that the tail end of the film is welded.

[0039] Step six, the inner support plate 41 is reset downward to pull out from the film, and the cylinder 2 36 is reset backward.

[0040] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A top film cantilever winding machine, comprising a frame (1), a winding mechanism (2), characterized in that: The film winding machine further comprises a cutting and clamping mechanism (3), the cutting and clamping mechanism (3) comprises a support (31), a rotating assembly, a support arm (35), a second air cylinder (36), a pressing roller (37), an electric heating wire (38), a welding electric heating plate (39), a third air cylinder (40), a clamping plate (43) and a clamping driving assembly, the rotating assembly is used to drive the support arm (35) to overturn, the second air cylinder (36) is arranged on the rotating assembly and is used to drive the support arm (35) to move laterally, the third air cylinder (40) is arranged on the support arm (35) and is used to drive the welding electric heating plate (39) to move laterally, the pressing roller (37) and the electric heating wire (38) are both vertically arranged on the support arm (35), the clamping plate (43) is located on the side of the electric heating wire (38) away from the pressing roller (37), and the clamping driving assembly is arranged on the support arm (35) and is used to drive the clamping plate (43) to clamp the film on the support arm (35).

2. The film suspension and winding machine according to claim 1, characterized in that: The rotating assembly comprises a storage rack (32), a swing arm (33) and a first air cylinder (34), the storage rack (32) is arranged on the support (31), the bottom end of the swing arm (33) is hinged in the storage rack (32), the bottom end of the first air cylinder (34) is hinged in the storage rack (32), and the output end of the first air cylinder (34) is hinged to the middle part of the swing arm (33), and the second air cylinder (36) is arranged laterally on the swing arm (33).

3. The film suspension and winding machine according to claim 1, characterized in that: The clamping driving assembly comprises a fifth air cylinder (44), a right-angle plate (45) and a guide groove, the clamping plate (43) is arranged at the outer end of the right-angle plate (45), the inner end of the right-angle plate (45) is provided with a pulley (46) slidingly fitted in the guide groove, the fifth air cylinder (44) is vertically arranged in the support arm (35), and the output end of the fifth air cylinder (44) is hinged to the middle part of the pulley segment of the right-angle plate (45), and the guide groove comprises a vertical groove (47) and a bent groove (48) extending inwards and bending downwards from top to bottom.

4. The film suspension and winding machine according to claim 1, characterized in that: The cutting and clamping mechanism (3) further comprises an inner support plate (41) and a fourth air cylinder (42), the inner support plate (41) is vertically slidingly fitted on the rack (1) and corresponds to the welding electric heating plate (39), and the fourth air cylinder (42) is vertically arranged on the support (31) and connected with the inner support plate (41).

5. The film over-vent cover suspension and winding machine according to claim 1, characterized in that: The film winding mechanism (2) comprises a rotating cross beam (21), a rotating arm (22), a driving motor (23), a film rack (24), a lifting module (25) and a film roll (26), one end of the rotating cross beam (21) is rotationally arranged on the top of the inner side of the rack (1), the driving motor (23) is arranged on the top of the rack (1) and connected with the rotating shaft of the rotating cross beam (21), the rotating arm (22) is vertically arranged on the outer end of the rotating cross beam (21), the lifting module (25) is arranged on the rotating arm (22) and used to drive the film rack (24) to lift, and the film roll (26) is rotationally arranged on the film rack (24).

6. The film over-vent cover suspension and winding machine according to claim 5, characterized in that: The outer side of the rack (1) is provided with a climbing ladder (5) used to climb to the top of the rack (1).

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