Waste film stripping device for paper roll

Abstract

The utility model discloses a paper roll waste film stripping device which comprises an unwinding assembly and further comprises a waste film winding assembly, a transverse cutting assembly and a paper collecting assembly which are sequentially arranged from right to left, the unwinding assembly is used for unwinding the paper roll and forming continuous paper, the waste film winding assembly is used for removing a plastic film locked and covered on the paper, and the transverse cutting assembly is used for cutting the paper roll. The transverse cutting assembly is used for cutting continuous paper to meet the export standard, the paper collecting assembly is used for receiving the cut paper and stacking the cut paper, paper rolls can be subjected to unwinding, plastic film removing, cutting and paper stacking and collecting work, the integration degree is high, and the working efficiency is high; the transmission device is used for delivering the paper from the transverse cutting assembly into the paper collecting assembly so as to prevent the cut paper from sliding off, the first conveying belt in the transmission device and the transverse cutting assembly share one power source, the manufacturing cost of the equipment is reduced, and the integration degree is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of paper processing, in particular to a waste film stripping device for a paper roll. Background Art

[0002] After production and printing, paper is usually rolled into rolls for easy packaging and transportation.

[0003] After printing, paper is usually covered with a film to ensure the printing quality and display effect of the paper. However, there are different requirements for paper rolls for export and domestic sales. For example, the EU requires that paper rolls exported to Europe cannot be covered with plastic. Therefore, paper rolls that meet domestic sales standards need to have the plastic film torn off before they can be exported. However, there are almost no automatic devices on the market for collecting plastic film on paper. Therefore, it is necessary to design a device that can collect plastic film on paper. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a waste film stripping device for a paper roll, which is used to solve the problems mentioned in the above background technology.

[0005] The utility model provides the following technical solution: a waste film stripping device for a paper roll, comprising a unwinding assembly, and also comprising a waste film winding assembly, a cross-cutting assembly and a paper receiving assembly arranged in sequence from right to left;

[0006] The unwinding assembly comprises a first frame and two unwinding arms installed in the first frame, and an unwinding roller is arranged between the two unwinding arms;

[0007] The waste film winding assembly includes a No. 2 frame and a waste film roller installed in the No. 2 frame, and the No. 2 frame is equipped with a plurality of conductive rollers distributed on the left and right, each group of conductive rollers includes two roller bodies distributed up and down, and the conductive rollers are located at the lower side of the waste film roller;

[0008] The cross-cutting assembly includes a fixed plate and a sliding plate, wherein the fixed plate and the sliding plate are respectively provided with a cutter disposed opposite to each other, and further includes a driving device for controlling the upward and downward movement of the sliding plate;

[0009] The paper receiving assembly includes a paper receiving lifting platform and a conducting device, wherein the paper receiving lifting platform is installed in the third frame, and the conducting device is used to conduct the paper cut by the cross-cutting assembly to the paper receiving lifting platform;

[0010] It also includes a motor group for driving the unwinding roller, the waste film roller and the conductive roller to rotate.

[0011] Preferably, the unwinding arm is hinged in the No. 1 frame, and a mounting seat is hinged in the No. 1 frame, a cylinder is mounted on the mounting seat, and a piston rod extending from the cylinder supports and is hinged to the unwinding arm.

[0012] Preferably, it also includes a self-weight roller, which is rotatably connected between two sliders, and the two sliders are slidably connected to the second frame up and down, and the self-weight roller is located between the left and right conductive rollers.

[0013] Preferably, the driving device includes a No. 1 servo motor installed in the No. 2 frame, the output shaft extending from the No. 1 servo motor is connected to a turntable, and a convex column which is not coaxial with the turntable is fixed on the front side of the turntable, and a connecting rod is outermostly provided on the convex column, and the upper end of the connecting rod is hinged to the slide.

[0014] Preferably, the cutting edges of the two cutters are offset left and right.

[0015] Preferably, the transmission device includes transmission shafts respectively installed in the third frame and the second frame, the transmission shaft located on the left side is higher than the transmission shaft located on the right side, and the transmission shafts are connected by a first conveyor belt.

[0016] Preferably, a mounting plate is provided between the second frame and the third frame, a connecting shaft is rotatably connected to the mounting plate, the first conveyor belt is also wound around the connecting shaft, and the connecting shaft is connected to the output shaft in the first servo motor through a synchronous belt.

[0017] Preferably, a large-diameter wheel is provided on the output shaft, and the synchronous belt is connected to the large-diameter wheel.

[0018] Preferably, it further comprises an angle control mechanism, wherein the angle control mechanism comprises a pressure wheel installed in the third frame, and the pressure wheel is close to the upper left side of the transmission shaft installed in the third frame.

[0019] Preferably, the angle control mechanism also includes a driving wheel, the pressure wheel and the driving wheel are connected through a No. 2 conveyor belt, and a No. 2 servo motor for driving the driving wheel is provided in the No. 3 frame, and the No. 2 conveyor belt is attached to the No. 1 conveyor belt wound around the outside of the conveying shaft.

[0020] The utility model provides a waste film stripping device for a paper roll, which has the following beneficial effects:

[0021] The utility model can unwind the paper roll, remove the plastic film, cut and stack the paper, and has a high degree of integration and high working efficiency.

[0022] The utility model uses a conduction device to deliver paper from the cross-cutting component to the paper receiving component to prevent the paper from slipping after cutting, and the No. 1 conveyor belt in the conduction device shares a power source with the cross-cutting component, thereby reducing the manufacturing cost of the equipment and improving the integration. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the main view of the utility model after removing the deviation correction device and the heating device;

[0024] Figure 2 yes Figure 1 An enlarged schematic diagram of the mid-cross-section assembly;

[0025] Figure 3 It is a main schematic diagram of the utility model.

[0026] In the figure:

[0027] 11. Frame No. 1; 12. Unwinding arm; 13. Unwinding roller; 14. Cylinder; 21. Frame No. 2; 22. Waste film roller; 23. Conducting roller; 31. Fixed plate; 32. Slide plate; 33. Cutter; 34. Self-weight roller; 41. Paper collection lifting platform; 42. Frame No. 3; 43. Conveyor shaft; 44. Conveyor belt No. 1; 45. Synchronous belt; 46. Pressing wheel; 47. Driving wheel; 52. Turntable; 53. Connecting rod; 101. Unwinding assembly; 102. Waste film winding assembly; 103. Cross-cutting assembly; 104. Paper collection assembly; 105. Correction device; 106. Heating device. DETAILED DESCRIPTION

[0028] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but cannot be understood as limiting the present invention.

[0029] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0031] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] Reference Figure 1-Figure 3 According to an embodiment of a waste film stripping device for a paper roll of the utility model, it includes an unwinding component 101, a waste film winding component 102, a cross-cutting component 103 and a paper receiving component 104 which are arranged in sequence from right to left. The unwinding component 101 is used to unwind the paper roll and form a continuous paper 91. The waste film winding component 102 is used to remove the plastic film locked and covered on the paper 91 to meet the export standards. The cross-cutting component 103 is used to cut the continuous paper, and the paper receiving component 104 is used to receive the cut paper and stack it.

[0033] In this embodiment, the unwinding assembly 101 includes a No. 1 frame 11 and two unwinding arms 12 installed in the No. 1 frame 11, and an unwinding roller 13 is arranged between the two unwinding arms 12. In order to facilitate the lifting and lowering of the unwinding roller 13 and to facilitate the staff to load the paper roll on the unwinding roller 13, the unwinding arm 12 is hinged in the No. 1 frame 11, and a mounting seat is hinged in the No. 1 frame 11, and a cylinder 14 is installed on the mounting seat, and a piston rod extending from the cylinder 14 supports and is hinged to the unwinding arm 12. When the piston rod extends outward, the mounting seat will rotate and lift the unwinding arm 12 and the unwinding roller 13. Correspondingly, when the piston rod is retracted inward, the unwinding arm 12 and the unwinding roller 13 will descend, and it is convenient for the staff to clamp the paper roll.

[0034] The waste film winding assembly 102 includes a No. 2 frame 21 and a waste film roller 22 installed in the No. 2 frame 21, and the No. 2 frame 21 is equipped with an array of conduction rollers 23 distributed on the left and right, each group of the conduction rollers 23 includes two roller bodies distributed up and down, and the paper 91 can be driven by the rotating conduction rollers 23, and the conduction rollers 23 are located on the lower side of the waste film rollers 22. In the process of the paper 91 being transmitted by the conduction rollers 23, the plastic film covering the paper 91 will be collected into a roll by the waste film rollers 22, and the remaining paper 91 not covered with plastic film will continue to be driven by the conduction rollers 23 and enter the cross-cutting assembly 103.

[0035] The cross-cutting assembly 103 includes a fixed plate 31 and a slide plate 32, and the fixed plate 31 and the slide plate 32 are respectively equipped with a cutter 33 arranged opposite to each other, and also includes a driving device for controlling the up and down movement of the slide plate 32. When the slide plate 32 and the cutter 33 thereon move up and down, the paper 91 transported by the waste film roller 22 can be cut.

[0036] In order to reduce the wear of the cutter 33, the cutting edges of the two cutters 33 are offset left and right. In addition, in this embodiment, the driving device includes a No. 1 servo motor installed in the No. 2 frame 21, and the output shaft extending from the No. 1 servo motor is connected to a turntable 52, and the front side of the turntable 52 is fixedly provided with a boss that is not coaxial with the turntable 52, and the boss is outerly covered with a connecting rod 53, and the upper end of the connecting rod 53 is hinged to the slide plate 32. When the No. 1 servo motor is energized, it will drive the turntable 52 to rotate, and through the swing of the connecting rod 53, the slide plate 32 and the cutter 33 thereon are periodically moved up and down, thereby cross-cutting the paper transmitted by the waste film roller 22.

[0037] The paper receiving assembly 104 includes a paper receiving lifting platform 41 and a conducting device. The paper receiving lifting platform 41 is a mature product under the existing technology and is not described in detail. The paper receiving lifting platform 41 is installed in the third frame 42. The conducting device is used to conduct the paper cut by the cross-cutting assembly 103 to the paper receiving lifting platform 41.

[0038] In addition, the waste film stripping device for a paper roll also includes a motor group for driving the unwinding roller 13, the waste film roller 22 and the conductive roller 23 to rotate.

[0039] In order to ensure that the paper 91 can remain taut during the transmission in the waste film roller 22, a self-weight roller 34 is also included. The self-weight roller 34 is rotatably connected between two sliders, and the two sliders are slidably connected to the second frame 21 up and down. The self-weight roller 34 is located between the left and right conduction rollers 23. The paper 91 will be wrapped around the lower curved surface of the self-weight roller 34 and then continue to be transmitted by the conduction roller 23. The paper 91 will remain taut under the action of the self-weight roller 34.

[0040] The transmission device includes two transmission shafts 43 respectively installed in the third frame 42 and the second frame 21, the transmission shaft 43 located on the left side is higher than the transmission shaft 43 located on the right side, and the transmission shafts 43 are connected by a first conveyor belt 44;

[0041] In order to facilitate the rotation of the transmission shaft 43, a mounting plate is also provided between the second frame 21 and the third frame 42, and a connecting shaft is rotatably connected to the mounting plate. The first conveyor belt 44 is also wound around the connecting shaft, and the connecting shaft is connected to the output shaft in the first servo motor through a synchronous belt 45.

[0042] In addition, in order to adjust the movement speed of the No. 1 conveyor belt 44, a large-diameter wheel is provided on the output shaft, and the synchronous belt 45 is connected to the large-diameter wheel.

[0043] Under the action of the conductive roller 23 , the paper passes through the two cutters 33 and moves to the No. 1 conveyor belt 44 . The paper is then cut by the cutter 33 , and the cut paper 91 is transferred by the No. 1 conveyor belt 44 and finally falls into the paper receiving lifting platform 41 .

[0044] In addition, in order to prevent the paper 91 from falling after passing between the two cutters 33 so that it can be smoothly placed on the first conveyor belt 44, a support plate 35 is further provided in the second frame 21. The support plate 35 is used to support the paper 91 transmitted by the conductive roller 23. The support plate 35 is provided with a notch at the cutter 33 to avoid interfering with the movement of the cutter 33.

[0045] In the second embodiment of the transmission device, in order to enable the paper to enter the paper receiving lifting platform 41 in a flat state, it also includes an angle adjustment mechanism, and the angle adjustment mechanism includes a pressure wheel 46 installed in the third frame 42, and the pressure wheel 46 is close to the upper left side of the transmission shaft 43 installed in the third frame 42. The cut paper 91 transmitted by the first conveyor belt 44 will smoothly enter the paper receiving lifting platform 41 under the action of the pressure wheel 46.

[0046] In addition, in the second embodiment of the angle control mechanism, the angle control mechanism also includes a driving wheel 47, the pressure wheel 46 and the driving wheel 47 are connected 48 through a No. 2 conveyor belt, and a No. 2 servo motor for driving the driving wheel 47 is provided in the No. 3 frame 42, and the No. 2 conveyor belt is attached to the No. 1 conveyor belt 44 wound around the outside of the conveying shaft 43. In this embodiment, the paper 91 transmitted by the No. 1 conveyor belt 44 will smoothly enter the paper collection lifting platform 41 under the action of the No. 2 conveyor belt and the No. 1 conveyor belt 44.

[0047] In addition, if Figure 3 As shown, the waste film stripping device for a paper roll is also provided with a correcting device 105 and a heating device 106. The heating device 106 is arranged on the right side of the waste film winding component 102, and a plurality of heating tubes are arranged in the heating device 106. The heating tubes are used to heat the paper 91 so that the waste film roller 22 can tear off the plastic film thereon. The correcting device 105 is also a mature product under the prior art and will not be described in detail.

[0048] The above description is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any changes or modifications made by any technician in the field of the present invention are included in the patent scope of the present invention.

Claims

1. A waste film stripping device for a paper roll, comprising an unwinding assembly (101), characterized in that: It also includes a waste film winding assembly (102), a cross-cutting assembly (103) and a paper receiving assembly (104) which are arranged in sequence from right to left; The unwinding assembly (101) comprises a first frame (11) and two unwinding arms (12) mounted in the first frame (11), and an unwinding roller (13) is arranged between the two unwinding arms (12); The waste film winding assembly (102) comprises a second frame (21) and a waste film roller (22) installed in the second frame (21), and the second frame (21) is equipped with a plurality of conductive rollers (23) distributed on the left and right, each group of conductive rollers (23) comprises two roller bodies distributed on the top and bottom, and the conductive rollers (23) are located on the lower side of the waste film roller (22); The cross-cutting assembly (103) comprises a fixed plate (31) and a sliding plate (32), wherein the fixed plate (31) and the sliding plate (32) are respectively provided with a cutter (33) disposed opposite to each other, and further comprises a driving device for controlling the upward and downward movement of the sliding plate (32); The paper receiving assembly (104) comprises a paper receiving lifting platform (41) and a conducting device, wherein the paper receiving lifting platform (41) is installed in the third frame (42), and the conducting device is used to conduct the paper cut by the cross-cutting assembly (103) to the paper receiving lifting platform (41); It also includes a motor group for driving the unwinding roller (13), the waste film roller (22) and the conductive roller (23) to rotate.

2. The waste film stripping device for a paper roll according to claim 1, characterized in that: The unwinding support arm (12) is hinged in the first frame (11), and a mounting seat is hinged in the first frame (11), a cylinder (14) is mounted on the mounting seat, and a piston rod extending from the cylinder (14) supports and is hinged to the unwinding support arm (12).

3. The waste film stripping device for a paper roll according to claim 1, characterized in that: It also includes a self-weight roller (34), the self-weight roller (34) is rotatably connected between two sliders, and the two sliders are connected to the second frame (21) by sliding up and down, and the self-weight roller (34) is located between the left and right conductive rollers (23).

4. The waste film stripping device for a paper roll according to claim 1, characterized in that: The driving device comprises a No. 1 servo motor installed in the No. 2 frame (21), an output shaft extending from the No. 1 servo motor is connected to a turntable (52), a front side surface of the turntable (52) is fixedly provided with a boss which is not coaxial with the turntable (52), a connecting rod (53) is outer-circuited by the boss, and an upper end of the connecting rod (53) is hinged to the slide plate (32).

5. The waste film stripping device for a paper roll according to claim 1, characterized in that: The cutting edges of the two cutting knives (33) are offset left and right.

6. The waste film stripping device for a paper roll according to claim 4, characterized in that: The transmission device comprises transmission shafts (43) respectively installed in the third frame (42) and the second frame (21), the transmission shaft (43) located on the left side is higher than the transmission shaft (43) located on the right side, and the transmission shafts (43) are connected by a first conveyor belt (44).

7. The waste film stripping device for a paper roll according to claim 6, characterized in that: A mounting plate is also provided between the second frame (21) and the third frame (42), a connecting shaft is rotatably connected to the mounting plate, the first conveyor belt (44) is also wound around the connecting shaft, and the connecting shaft is connected to the output shaft in the first servo motor via a synchronous belt (45).

8. The waste film stripping device for a paper roll according to claim 7, characterized in that: A large-diameter wheel is provided on the output shaft, and the synchronous belt (45) is connected to the large-diameter wheel.

9. The waste film stripping device for a paper roll according to claim 6, characterized in that: It also includes an angle control mechanism, the angle control mechanism including a pressure wheel (46) installed in the third frame (42), the pressure wheel (46) is close to the upper left side of the transmission shaft (43) installed in the third frame (42).

10. The waste film stripping device for a paper roll according to claim 9, characterized in that: The angle control mechanism further comprises a driving wheel (47), the pressure wheel (46) and the driving wheel (47) are connected via a No. 2 conveyor belt, and a No. 2 servo motor for driving the driving wheel (47) is provided in the No. 3 frame (42), and the No. 2 conveyor belt is attached to the No. 1 conveyor belt (44) wound around the outside of the conveying shaft (43).

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