Negative film extracting device for cylindrical paper can

Abstract

The utility model discloses a negative film extraction device for a cylindrical paper can, which comprises a negative film temporary storage module, a negative film transfer module and a negative film translation module, the negative film temporary storage module comprises a plurality of limiting rods and a negative film lifting module, a temporary storage channel is formed among the plurality of limiting rods, and the top end of the temporary storage channel is arranged as an extraction position; the negative film lifting module is movably arranged in the temporary storage channel, a first bearing position and a second bearing position are arranged on the translation supporting plate in the conveying direction of negative films, and the movable bearing plate is driven by the translation power source to reciprocate in the first bearing position or the second bearing position. The negative film transfer module is used for transferring the negative film in the extraction position to the movable bearing plate located in the first bearing position. Compared with the prior art, the negative film lifting module is matched with the negative film transfer module and the negative film translation module to achieve automatic extraction and conveying of negative films, the extraction action and process are optimized, and then the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging machinery, in particular to a bottom film extracting device for cylindrical paper cans. Background Art

[0002] Paper jars are also called paper tubes and paper cans. The national standard number is GB\T10440-2008. They are a kind of round packaging products that integrate metal, paper and plastic. They are usually divided into spiral type and rewinding type. Paper jars are made of paper as the main raw material, so they are easy to recycle; they have excellent protection performance, are waterproof and moisture-proof, and have a certain heat insulation effect; they are odorless, non-toxic, safe and reliable, and are especially suitable for food packaging; they make little noise during filling; the outer layer can be printed in color, which has a good display effect; they are light in weight, only 30% of iron cans, easy to circulate, convenient to use, and low in price. Composite paper jars have a wide range of applications and are often used to hold powdered solid foods, such as cocoa powder, tea, sugar, salt, cereal, coffee and various solid beverages. They are a new generation of environmentally friendly packaging products that can replace glass, ceramics and other packaging materials. Composite paper cans are also a new type of packaging product. They are not only green and environmentally friendly, but also have low manufacturing costs. They are a good choice for food packaging. They combine paper, film and iron into one, and are the best container for fresh-keeping food packaging. They have the advantages of superior sealing performance, safety and hygiene, low cost, novelty and fashion.

[0003] Paper cans are generally made of paper tubes and can bottoms. In the production process of existing paper can processing equipment, because paperboard is a volatile material, temporary storage and transfer before being combined with paper tubes are generally operated manually, which has the defects of low automation and low work efficiency. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a bottom film extraction device for cylindrical paper cans.

[0005] To achieve the above-mentioned purpose, the utility model discloses a negative film extraction device for cylindrical paper cans, including a negative film temporary storage module, a negative film transfer module and a negative film translation module, the negative film temporary storage module includes a plurality of limit rods and a negative film lifting module, the plurality of limit rods are arranged in a rectangular distribution, a temporary storage channel is formed between the plurality of limit rods, a plurality of negative films are vertically stacked in the temporary storage channel, the top of the temporary storage channel is set as an extraction position, the negative film lifting module is movably arranged in the temporary storage channel, and the negative film lifting module is used to lift the negative films in the temporary storage channel to the extraction position.

[0006] The film translation module includes a translation support plate and a movable receiving plate. The translation support plate is fixedly arranged on the outer side of the film temporary storage module. The translation support plate is provided with a first receiving position and a second receiving position along the conveying direction of the film.

[0007] The film transfer module is arranged above the extraction position and the first receiving position, and the movable receiving plate is driven by a translational force source to reciprocate between the first receiving position and the second receiving position. The film transfer module is used to transfer the film in the extraction position to the movable receiving plate located in the first receiving position.

[0008] Furthermore, the film temporary storage module includes a temporary storage support frame, and the limit rods are arranged on the support frame through an adjustable support device, and the adjustable support device makes a plurality of the limit rods close to or far from each other.

[0009] Furthermore, the adjustment support device includes a lifting adjustment block and a connecting arm, the side wall of the temporary storage support frame is vertically provided with a guide groove, the lifting adjustment block is slidably arranged along the guide groove, and the lifting adjustment block is threadedly connected with a clamping bolt between the guide grooves.

[0010] One end of the connecting arm is fixedly connected to the outer periphery of the limiting rod.

[0011] A fixing screw is arranged on the top of the lifting adjustment block, an adjusting slot is arranged on the surface of the other end of the connecting arm, the adjusting slot moves along the fixing screw, and a clamping nut is arranged between the fixing screw and the surface of the connecting arm.

[0012] Furthermore, the bottom film lifting module includes a lifting movable plate and a lifting power source. The lifting movable plate is movably installed on a plurality of the limit rods. A movable plate avoidance position for the limit rods to pass through is provided on the lifting movable plate. The lifting power source is used to drive the lifting movable plate to move vertically in the temporary storage channel.

[0013] Furthermore, an avoidance through hole is arranged at the center of the top of the movable supporting plate, and an avoidance strip groove is also arranged at the top of the movable supporting plate, and the two sides of the avoidance strip groove are respectively connected with the avoidance through hole and the side surface of the movable supporting plate, and the opening of the avoidance strip groove faces the film temporary storage module.

[0014] Furthermore, a limiting plate is arranged above the avoidance through hole, the outer contour of the limiting plate is C-shaped, the opening of the limiting plate faces the film temporary storage module, the center of the inner hole of the limiting plate is concentrically arranged with the avoidance through hole, and a containing position is formed between the avoidance through hole and the inner periphery of the limiting plate.

[0015] Furthermore, the diameter of the avoidance through hole is smaller than the diameter of the bottom film.

[0016] Furthermore, the film transfer module includes a flip arm, a transfer power source, a suction component and a separation component. The transfer power source is fixedly arranged between the extraction position and the first receiving position, one end of the flip arm is fixedly connected to the rotating part of the transfer power source, the suction component is arranged on the surface of the other end of the flip arm, and the separation component is fixedly arranged on the outside of the extraction position.

[0017] Furthermore, a rotation driving device is fixedly provided on the flip arm, and a rotation connecting shaft is provided on the top of the suction component. One end of the rotation connecting shaft is fixedly connected to the top of the suction component, and the other end thereof passes through the flip arm and is transmission-connected to the rotation driving device.

[0018] Compared with the prior art, the beneficial effects of the utility model are: the adjustment method of the temporary storage channel is simple and efficient, so that the device can store films of different diameters, has better adaptability and reduces the cost of use; the automatic extraction and transportation of the film is realized by the film lifting module in conjunction with the film transfer module and the film translation module, which optimizes the extraction action and process and thus improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a top view of the overall structure of the utility model;

[0020] Figure 2 It is a top view of the negative film temporary storage module of the utility model. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the utility model clearer, the following will be combined with Figure 1-Figure 2 The utility model is further described in detail with reference to the accompanying drawings.

[0022] Reference Figure 1 As shown, a negative film extraction device for cylindrical paper cans includes a negative film temporary storage module 1, a negative film transfer module 2 and a negative film translation module 3. The negative film translation module 3 is arranged outside the negative film temporary storage module 1, and the negative film transfer module 2 is arranged between the negative film temporary storage modules 1.

[0023] Recombination Figure 2 As described, the film temporary storage module 1 includes a temporary storage support frame 11, a limit storage module 12 and a film lifting module 13. The limit storage module 12 is fixedly arranged in the temporary storage support frame 11 for storing the film, and the film lifting module 13 is movably arranged in the limit storage module 12 to lift the film.

[0024] The limiting storage module 12 includes a plurality of limiting rods 121 and an adjustment support device 122 . In this embodiment, the number of the plurality of limiting rods 121 is preferably four. In this embodiment, the number of the adjustment support devices 122 corresponds to the number of the limiting rods 121 .

[0025] Four limiting rods 121 are respectively vertically arranged in the temporary storage support frame 11, and are arranged in a rectangular distribution. A temporary storage channel 123 is formed between the four limiting rods 121. The top of the temporary storage channel 123 is set as an extraction position.

[0026] The adjustment support device 122 includes a lifting adjustment block 122-1 and a connecting arm 122-2. A guide groove 111 is vertically provided on the side wall of the temporary storage support frame 11. The lifting adjustment block 122-1 is slidably arranged along the guide groove 111. A clamping bolt 122-3 is threadedly connected to the lifting adjustment block 122-1. The clamping bolt 122-3 is rotated so that its end abuts against the guide groove 111 to fix the lifting adjustment block 122-1 on the guide groove 111.

[0027] The connecting arm 122-2 is arranged between the limiting rod 121 and the lifting and adjusting block 122-1, one end of the connecting arm 122-2 is fixedly connected to the outer periphery of the limiting rod 121, and the other end of the connecting arm 122-2 is movably arranged on the top of the lifting and adjusting block 122-1.

[0028] A fixing screw is provided at the top of the lifting adjustment block 122-1, and a clamping nut 122-4 is threadedly connected to the fixing screw. An adjustment slot 122-21 is provided at the top of the connecting arm 122-2, and the adjustment slot 122-21 slides along the fixing screw and abuts against the top of the connecting arm 122-2 through the clamping nut 122-4 to fix the limit rod 121 in the temporary storage support frame 11.

[0029] The compression nut 122 - 4 is loosened to allow the adjustment slot 122 - 21 to slide along the fixing screw, thereby adjusting the diameter of the temporary storage channel 123 according to the diameter of the film.

[0030] The adjustment method of the temporary storage channel 123 of this embodiment is simple and efficient, so that the device can store films of different diameters, has better adaptability and reduces the cost of use.

[0031] The film lifting module 13 includes a lifting movable plate 131 and a lifting power source 132. The lifting movable plate 131 is movably mounted on a plurality of limit rods 121. The lifting movable plate 131 is provided with a movable plate avoidance position 131-1 for the limit rods 121 to pass through. The lifting power source 132 is fixedly mounted on the outer side of the temporary storage support frame 11.

[0032] A connection portion 131 - 2 is provided on the outer periphery of the lifting movable plate 131 , and the connection portion 131 - 2 is used for transmission connection with the lifting power source 132 .

[0033] The lifting power source 132 of this embodiment is a transmission structure of a motor-driven lead screw nut. The motor of the lifting power source 132 is fixedly arranged on the temporary support frame 11. Both ends of the lead screw of the lifting power source 132 are transmission-connected to the motor and rotationally connected to the top of the temporary support frame 11. The nut of the lifting power source 132 is fixedly arranged on the connecting part 131-2 and is transmission-connected to the lead screw.

[0034] When storing films, a number of films are stacked in the temporary storage channel 123 . At this time, the outer periphery of the films is tangent to the limiting rod 121 , and the films in the temporary storage channel 123 are lifted by the lifting movable plate 131 .

[0035] Reference Figure 1 The film translation module 3 includes a translation support plate 31, a movable receiving plate 32 and a translation force source 33. The translation support plate 31 is fixedly arranged on the outside of the film temporary storage module 1 along the conveying direction of the film. The top of the translation support plate 31 is respectively provided with a first receiving position 311 and a second receiving position 312. The first receiving position 311 and the second receiving position 312 are arranged along the conveying direction of the film. Specifically, the first receiving position 311 is adjacent to the film transfer module 2.

[0036] The movable receiving plate 32 is movably arranged between the first receiving position 311 and the second receiving position 312. A pair of guide rails are fixedly arranged on the top of the translation support plate 31. A pair of sliders matching with the pair of guide rails are fixedly arranged on the bottom of the movable receiving plate 32. The pair of sliders slide along the pair of guide rails.

[0037] The translational power source 33 of this embodiment is a cylinder. The translational power source 33 is fixedly disposed on the side of the translational support plate 31 , and its movable portion is fixedly connected to the side of the movable receiving plate 32 .

[0038] The center of the top of the movable receiving plate 32 is provided with an avoidance through hole 321 , and the diameter of the avoidance through hole 321 in this embodiment is smaller than the diameter of the bottom film. The top of the movable receiving plate 32 is also provided with an avoidance strip groove 322 .

[0039] The two sides of the avoidance strip groove 322 are respectively connected with the avoidance through hole 321 and the side surface of the movable receiving plate 32. The opening of the avoidance strip groove 322 faces the film temporary storage module 1.

[0040] A limit plate 34 is disposed above the avoidance through hole 321. In this embodiment, the outer contour of the limit plate 34 is C-shaped. The opening of the limit plate 34 faces the film temporary storage module 1. The inner hole diameter of the limit plate 34 is greater than or equal to the diameter of the target film. The inner hole center of the limit plate 34 is concentric with the avoidance through hole 321.

[0041] Furthermore, an accommodating position 35 is formed between the avoiding through hole 321 and the inner periphery of the limiting plate 34 .

[0042] The limiting plate 34 and the movable supporting plate 32 are detachably connected by bolts. In actual use, corresponding limiting plates 34 are manufactured according to different sizes of films, so that the size of the accommodating position 35 is no longer fixed, which increases the adaptability of the equipment, and the limiting plate 34 is easy to disassemble.

[0043] The film transfer module 2 includes a flip arm 21, a transfer power source 22, a suction assembly 23 and a separation assembly 24. The flip arm 21 is flipped and arranged between the extraction position and the first receiving position 311. The transfer power source 22 is fixedly arranged on the top of the translation support plate 31, and is located between the film temporary storage module 1 and the first receiving position 311.

[0044] One end of the flip arm 21 is fixedly connected to the rotating part of the transfer power source 22 , and the suction component 23 is rotatably disposed on the surface of the other end of the flip arm 21 .

[0045] The separation component 24 is disposed outside the temporary storage channel 123, and its gas outlet is opposite to the extraction position. The separation component 24 is fixedly connected to the top of the translation support plate 31 through a support seat.

[0046] The separation component 24 of this embodiment is a universal bamboo tube; the suction component 23 is a negative pressure suction head.

[0047] The transfer power source 22 of this embodiment is a driving form of a servo motor cooperating with a rotating shaft. Specifically, the outer periphery of both ends of the rotating shaft of the transfer power source 22 is rotatably connected to the top of the translation support plate 31 through a bearing seat, and the servo motor of the transfer power source 22 is fixedly arranged on the bearing seat to drive the rotating shaft to rotate;

[0048] One end of the flip arm 21 is fixedly connected to the rotating shaft of the transfer power source 22 .

[0049] Furthermore, a rotation driving device 25 is fixedly provided on the flip arm 21, and a rotation connecting shaft 231 is provided on the top of the suction component 23. One end of the rotation connecting shaft 231 is fixedly connected to the top of the suction component 23, and the other end thereof passes through the flip arm 21 and is arranged above the flip arm 21 and is transmission-connected to the rotation driving device 25. The outer periphery of the rotation connecting shaft 231 is rotationally connected to the flip arm 21 via a bearing.

[0050] The rotation driving device 25 of this embodiment is a driving form of a servo motor and a synchronous pulley. The servo motor of the rotation driving device 25 is fixedly set on the flip arm 21, and the synchronous pulley is set between the servo motor and the rotating connecting shaft 231. Two pulleys in the synchronous pulley are respectively fixedly connected to the output shaft of the servo motor and the rotating connecting shaft 231.

[0051] When a pattern is printed on the film and the pattern needs to be set at a specific position on the cylindrical package, the suction assembly 23 is driven by the rotary drive device 25 to rotate circumferentially to adjust the position of the pattern on the film relative to the cylindrical package.

[0052] During operation, the transfer power source 22 drives the flip arm 21 to rotate toward the film temporary storage module 1, so that the suction component 23 flips to the extraction position to absorb the film 4, and at the same time, the separation component 24 blows air toward the extraction position to separate the unabsorbed film from the absorbed film, so as to prevent the unabsorbed film from being taken away from the temporary storage channel 123 when the flip arm 21 moves;

[0053] The translational power source 33 drives the movable receiving plate 32 to move to the first receiving position 311, and the transfer power source 22 drives the flip arm 21 to flip toward the first receiving position 311, so that the flip arm 21 passes through the avoidance strip groove 322 and the avoidance through hole 321 to absorb the bottom film on the suction component 23 and place it in the accommodating position 35. When the bottom film is located at the accommodating position 35, the top of the movable receiving plate 32 is used to support the bottom of the bottom film;

[0054] Next, the translational force source 33 drives the movable receiving plate 32 to move to the second receiving position 312, waiting for the automation equipment to move the bottom film in the receiving position 35 to the round can package to be assembled, and then the movable receiving plate 32 is reset to the first receiving position 311 to wait, and the flip arm 21 is reset to the extraction position;

[0055] The lifting power source 132 drives the lifting movable plate 131 to move vertically upward, so that the plurality of stacked films are continuously moved to the extraction position so as to facilitate the suction action of the suction assembly 23 .

[0056] Compared with the prior art, this embodiment realizes automatic extraction and transportation of the film by cooperating with the film lifting module, the film transfer module, and the film translation module, thereby optimizing the extraction action and process and improving work efficiency.

[0057] Furthermore, a material passing slot 313 is provided at the top of the translation support plate 31 which is opposite to the second receiving position 312, a working position (not shown in the figure) is provided below the material passing slot 313, and a film suction device (not shown in the figure) is provided above the material passing slot 313. During operation, the movable receiving plate 32 drives the film to move to the second receiving position 312, and the suction device sucks the film on the movable receiving plate 32, and then the movable receiving plate 32 is reset to make the suction device move downward to drive the film through the material passing slot 313 and suck it into the working position. In this embodiment, the material passing slot 313 is provided to reduce the moving stroke of the film and improve the working efficiency.

[0058] Of course, the above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with this technology to understand the content of the utility model and implement it accordingly. They cannot be used to limit the protection scope of the utility model. Any modifications made according to the spirit of the main technical scheme of the utility model should be included in the protection scope of the utility model.

Claims

1. A film extraction device for cylindrical paper cans, characterized in that: The invention comprises a negative film temporary storage module (1), a negative film transfer module (2) and a negative film translation module (3), wherein the negative film temporary storage module (1) comprises a plurality of limit rods (121) and a negative film lifting module (13), a temporary storage channel (123) is formed between the plurality of limit rods (121), a plurality of negative films are vertically stacked in the temporary storage channel (123), the top end of the temporary storage channel (123) is set as an extraction position, and the negative film lifting module (13) is used to lift the negative films in the temporary storage channel (123) to the extraction position; The film translation module (3) comprises a translation support plate (31) and a movable receiving plate (32); a first receiving position (311) and a second receiving position (312) are arranged on the translation support plate (31) along the conveying direction of the film; The film transfer module (2) is arranged above the extraction position and the first receiving position (311); the movable receiving plate (32) is driven by a translational power source (33) to reciprocate between the first receiving position (311) and the second receiving position (312); the film transfer module (2) is used to transfer the film in the extraction position to the movable receiving plate (32) located in the first receiving position (311).

2. The bottom film extraction device for cylindrical paper cans according to claim 1, characterized in that: The film temporary storage module (1) comprises a temporary storage support frame (11), and the limiting rods (121) are arranged on the temporary storage support frame (11) through an adjustment support device (122), and the adjustment support device (122) makes a plurality of the limiting rods (121) close to or far from each other.

3. The bottom film extraction device for cylindrical paper cans according to claim 2, characterized in that: The adjustment support device (122) comprises a lifting adjustment block (122-1) and a connecting arm (122-2); a guide groove (111) is vertically arranged on the side wall of the temporary storage support frame (11); the lifting adjustment block (122-1) is slidably arranged along the guide groove (111); and a clamping bolt (122-3) is threadedly connected between the lifting adjustment block (122-1) and the guide groove (111); One end of the connecting arm (122-2) is fixedly connected to the outer periphery of the limiting rod (121); A fixing screw is arranged on the top of the lifting adjustment block (122-1), an adjustment slot (122-21) is arranged on the surface of the other end of the connecting arm (122-2), the adjustment slot (122-21) moves along the fixing screw, and a clamping nut (122-4) is arranged between the fixing screw and the surface of the connecting arm (122-2).

4. The bottom film extraction device for cylindrical paper cans according to claim 1, characterized in that: The bottom film lifting module (13) comprises a lifting movable plate (131) and a lifting power source (132); the lifting movable plate (131) is movably mounted on a plurality of the limiting rods (121); a movable plate avoidance position (131-1) for the limiting rods (121) to pass through is provided on the lifting movable plate (131); and the lifting power source (132) is used to drive the lifting movable plate (131) to move vertically in the temporary storage channel (123).

5. The bottom film extraction device for cylindrical paper cans according to claim 1, characterized in that: A avoidance through hole (321) is provided at the centre of the top of the movable receiving plate (32), and a avoidance strip groove (322) is also provided at the top of the movable receiving plate (32), the two sides of the avoidance strip groove (322) are respectively connected to the avoidance through hole (321) and the side surface of the movable receiving plate (32), and the opening of the avoidance strip groove (322) faces the film temporary storage module (1).

6. The bottom film extraction device for cylindrical paper cans according to claim 5, characterized in that: A limiting plate (34) is arranged above the avoidance through hole (321); the outer contour of the limiting plate (34) is C-shaped; the opening of the limiting plate (34) faces the film temporary storage module (1); the center of the inner hole of the limiting plate (34) is arranged concentrically with the avoidance through hole (321); and a receiving position (35) is formed between the avoidance through hole (321) and the inner periphery of the limiting plate (34).

7. The bottom film extraction device for cylindrical paper cans according to claim 5, characterized in that: The diameter of the avoidance through hole (321) is smaller than the diameter of the bottom film.

8. The bottom film extraction device for cylindrical paper cans according to claim 1, characterized in that: The film transfer module (2) comprises a flip arm (21), a transfer power source (22), a suction component (23) and a separation component (24); the transfer power source (22) is fixedly arranged between the extraction position and the first receiving position (311); one end of the flip arm (21) is fixedly connected to the rotating part of the transfer power source; the suction component (23) is arranged on the surface of the other end of the flip arm (21); and the separation component (24) is fixedly arranged outside the extraction position.

9. The bottom film extraction device for cylindrical paper cans according to claim 8, characterized in that: A rotation drive device (25) is fixedly arranged on the flip arm (21), and a rotation connection shaft (231) is arranged on the top of the suction component (23), one end of the rotation connection shaft (231) is fixedly connected to the top of the suction component (23), and the other end thereof passes through the flip arm (21) and is transmission-connected to the rotation drive device (25).

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