Regenerated cellulose functional film roll surface treatment device and method

Abstract

The invention discloses a regenerated cellulose functional film roll surface treatment device and method, and belongs to the technical field of regenerated cellulose film production equipment, and the regenerated cellulose functional film roll surface treatment device comprises a base and a controller; an adjusting assembly, a guiding assembly and a winding assembly are arranged on the base; the adjusting assembly comprises a first moving seat capable of moving relative to the base, and the first moving seat is connected with a first driving piece and provided with an adjusting roller. The guide assembly comprises a second moving seat capable of moving relative to the base, and the second moving seat is connected with a second driving part and is provided with a detection part; the winding assembly comprises a winding roller; the controller is respectively connected with the first driving piece, the second driving piece and the detection piece; the controller controls the second driving part to drive the second moving seat and the detection part to move randomly, the detection part measures the position of the film edge in real time, and the controller controls the first driving part to drive the first moving seat to move, so that the position of the film edge is matched with the real-time position of the second moving seat; the traction tension of the film in the winding process is not fixed at a specific position, and the surface flatness is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of regenerated cellulose film production equipment, and in particular to a regenerated cellulose functional film roller surface treatment device and method. Background Art

[0002] With the development of society, people's demand for food packaging is increasing. Moreover, as people's awareness of environmental protection gradually increases, regenerated cellulose functional film, as an environmentally friendly and degradable packaging material, has also been recognized by more people, and its market share has gradually increased.

[0003] Regenerated cellulose functional film is a regenerated film material made of natural cellulose through specific processing steps such as alkalization, yellowing, and molding. In the production process of regenerated cellulose functional film, after coating, the regenerated cellulose functional film is prone to appearance problems such as longitudinal scratches and bulges on the roller surface due to its own easy moisture absorption, drying shrinkage, and tension traction. During the winding process, these scratches and bulges are prone to gradually accumulate in the same position, resulting in an irregular surface of the regenerated cellulose functional film, which will seriously affect the appearance and quality stability of the product.

[0004] Therefore, it is an urgent problem to be solved at this stage to develop and design a roller surface processing device and method that can eliminate scratches and bulges on the regenerated cellulose functional film during the winding process, ensure the flatness of the regenerated cellulose functional film, and improve the product appearance and quality stability. Summary of the invention

[0005] In response to the problems existing in the prior art, the present invention provides a regenerated cellulose functional film roller surface processing device and method, wherein the controller controls the second driving member to drive the second movable seat and the detection member to move randomly along the second direction, and the detection member can measure the position of the edge of the regenerated cellulose functional film in real time, and the controller controls the first driving member to drive the first movable seat to move along the second direction, so that the position of the edge of the regenerated cellulose functional film matches the real-time position of the second movable seat, even if the regenerated cellulose functional film moves irregularly laterally during the winding process, the traction tension of the regenerated cellulose functional film during the winding process is no longer fixed at a specific position, thereby avoiding the gradual accumulation of scratches and bulges at the same position, thereby ensuring the smoothness of the surface of the regenerated cellulose functional film and improving the appearance and quality stability of the product.

[0006] In order to achieve the above object, the technical solution adopted by the present invention is as follows: First, The present invention provides a regenerated cellulose functional film roller surface treatment device and method, including a base and a controller; The base is provided with an adjusting component, a guiding component and a winding component in sequence along a first direction; The adjustment assembly comprises a first movable seat arranged on the base, the first movable seat can move relative to the base along a second direction, the first movable seat is connected to a first driving member driving the first movable seat to move; the second direction is perpendicular to the first direction; a rotatable adjustment roller is arranged on the first movable seat, and the axis of the adjustment roller is parallel to the second direction; The guide assembly comprises a second movable seat arranged on the base, the second movable seat can move along a second direction relative to the base, the second movable seat is connected to a second driving member driving the second movable seat to move; the second movable seat is provided with a detection member; The winding assembly comprises a rotatable winding roller, wherein the axis of the winding roller is parallel to the second direction; The controller is connected to the first driving member, the second driving member and the detecting member respectively.

[0007] As a preferred technical solution, a buffer assembly is further provided on the base between the adjusting assembly and the guiding assembly, and the buffer assembly includes a rotatable first buffer roller and a second buffer roller, and the axes of the first buffer roller and the second buffer roller are parallel to the second direction; the first buffer roller is lower than the adjusting roller, and the second buffer roller is higher than the first buffer roller, and the first buffer roller is located between the adjusting roller and the second buffer roller.

[0008] As a preferred technical solution, the first buffer roller is connected to a lifting member capable of driving the first buffer roller to rise and fall.

[0009] As a preferred technical solution, two oppositely arranged buffer plates are provided on the base, and the two ends of the second buffer roller are rotatably connected to the two buffer plates respectively; the lifting member is configured as two cylinders, the cylinder bodies of the two cylinders are respectively fixed on the two buffer plates, a rotating base block is provided on the piston rod of the cylinder, and the two ends of the first buffer roller are rotatably connected to the rotating base block respectively.

[0010] As a preferred technical solution, a trimming assembly is further provided on the base between the guide assembly and the winding assembly, the trimming assembly includes a tool holder shaft and a rotatable tool groove shaft provided on the base, a plurality of tool holders are provided on the tool holder shaft; the axes of the tool groove shaft and the tool holder shaft are both parallel to the second direction; the tool groove shaft is located between the guide assembly and the tool holder shaft.

[0011] As a preferred technical solution, two trimming plates arranged opposite to each other are provided on the base, and both ends of the knife groove rotating shaft and both ends of the knife holder shaft are rotatably connected to the two trimming plates respectively.

[0012] As a preferred technical solution, the tool holder shaft is connected to a lifting member capable of driving the tool holder shaft to rotate, the lifting member comprises a worm wheel coaxially arranged with the tool holder shaft and a worm arranged on the trimming plate, the worm cooperates with the worm wheel, and a hand wheel is arranged at one end of the worm; And / or, a rotatable guide roller is provided between the two trimming plates, and the guide roller is located below the knife groove rotating shaft.

[0013] As a preferred technical solution, a first guide rail is provided on the base, a first slider is provided at the bottom of the first movable seat, and the first slider is movably provided on the first guide rail; the first driving member is provided as a screw stepping motor; And / or, a second guide rail is provided on the base, a second slider is provided at the bottom of the second movable seat, and the second slider is movably provided on the second guide rail; the second driving member is set as a screw stepping motor; the second driving member is connected to an encoder, and the encoder is connected to the controller; And / or, the detection element is configured as an ultrasonic sensor; And / or, the controller is configured as a PLC.

[0014] As a preferred technical solution, a first limit sensor for limiting the moving range of the first movable seat is provided on the base, and the first limit sensor is connected to the controller; And / or, a second limit sensor for limiting the moving range of the second movable seat is provided on the base, and the second limit sensor is connected to the controller.

[0015] Second, The present invention provides a method for treating the surface of a regenerated cellulose functional film roller, which is applied to the aforementioned regenerated cellulose functional film roller surface treating device, and comprises the following steps: Step S1: the controller controls the second driving member to drive the second moving seat to randomly move along the second direction within a first amplitude range, and the detection member measures the position of the edge of the regenerated cellulose functional film in real time; Step S2: the controller can obtain the real-time position information of the second movable seat based on the second driving member, and the controller can receive the real-time position information of the edge of the regenerated cellulose functional film measured by the detection member; Step S3: The controller controls the first driving member to drive the first movable seat to move along the second direction within the second amplitude range according to the real-time position information of the second movable seat and the real-time position information of the edge of the regenerated cellulose functional membrane, so that the edge of the regenerated cellulose functional membrane moves toward the direction close to the real-time position of the second movable seat.

[0016] The beneficial effects of the present invention are as follows: The controller of the present invention controls the second driving member to drive the second movable seat and the detection member to move randomly along the second direction, and the detection member can measure the position of the edge of the regenerated cellulose functional film in real time. The controller controls the first driving member to drive the first movable seat to move along the second direction, so that the position of the edge of the regenerated cellulose functional film matches the real-time position of the second movable seat. Even if the regenerated cellulose functional film follows the second movable seat to make irregular lateral movements during the winding process, the traction tension of the regenerated cellulose functional film during the winding process is no longer fixed at a specific position, avoiding scratches and bulges from gradually accumulating and overlapping at the same position or within the same range, thereby ensuring the smoothness of the surface of the regenerated cellulose functional film and improving the appearance and quality stability of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of an embodiment of a regenerated cellulose functional film roller surface treatment device of the present invention; Figure 2 for Figure 1 A top view of Figure 3 for Figure 1 A schematic diagram of the structure of the regulating component in FIG. Figure 4 for Figure 1 A schematic diagram of the structure of the guide component in FIG. Figure 5 for Figure 1 A schematic diagram of the structure of the buffer component in FIG. Figure 6 for Figure 1 A schematic diagram of the structure of the trimming component in FIG. Figure 7 This is a functional block diagram of a regenerated cellulose functional film roller surface treatment device of the present invention.

[0018] In the figure: 1-base, 11-first guide rail, 12-second guide rail, 13-first limit sensor, 14-second limit sensor, 21-first moving seat, 22-adjusting roller, 31-second moving seat, 32-second driving member, 33-detecting member, 34-encoder, 35-second slider, 4-winding roller, 51-first buffer roller, 52-second buffer roller, 53-lifting member, 54-buffer plate, 55-rotating base block, 61-tool holder shaft, 62-knife groove shaft, 63-tool holder, 64-trimming plate, 65-worm, 66-handwheel, 67-guide roller. DETAILED DESCRIPTION

[0019] In order to facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0020] First, Please refer to Figure 1-Figure 7 , is an embodiment of a regenerated cellulose functional film roller surface treatment device provided by the present invention, comprising a base 1, on which an adjustment component, a guide component and a winding component are sequentially arranged along a first direction; The adjustment assembly includes a first movable seat 21 disposed on the base 1, the first movable seat 21 can move relative to the base 1 along the second direction, and the first movable seat 21 is connected to a first driving member driving the first movable seat 21 to move; the second direction is perpendicular to the first direction; a rotatable adjustment roller 22 is disposed on the first movable seat 21, the axis of the adjustment roller 22 is parallel to the second direction, and during the winding process, the regenerated cellulose functional film bypasses the adjustment roller 22; The guide assembly includes a second movable seat 31 disposed on the base 1, the second movable seat 31 can move relative to the base 1 along the second direction, and the second movable seat 31 is connected to a second driving member 32 for driving the second movable seat 31 to move; a detection member 33 is disposed on the second movable seat 31, and the second driving member 32 can drive the second movable seat 31 and the detection member 33 to move randomly along the second direction, and at the same time, the detection member 33 can detect the position of the edge of the regenerated cellulose functional film in real time; The winding assembly includes a rotatable winding roller 4, the axis of which is parallel to the second direction, the regenerated cellulose functional film is wound around the adjusting roller 22, and the winding roller 4 rotates to wind up the regenerated cellulose functional film; The controller is connected to the first driving member, the second driving member 32 and the detection member 33 respectively. The controller can control the switching and working intensity of the first driving member and the second driving member 32, and the controller can receive the position information of the edge of the regenerated cellulose functional film measured by the detection member 33.

[0021] For details, please refer to Figure 1-Figure 3 A first guide rail 11 is provided on the base 1, and a first slider is provided at the bottom of the first movable seat 21, and the first slider is movably provided on the first guide rail 11; the first driving member can be set as a screw stepping motor, which can stably drive the first movable seat 21 to move along the first guide rail 11; in other embodiments, the first driving member can also be an electric push rod or a cylinder, so as to be able to drive the first movable seat 21 to move stably along the second direction.

[0022] Similarly, please refer to Figure 1 , Figure 2 and Figure 4A second guide rail 12 is provided on the base 1, and a second slider 35 is provided at the bottom of the second movable seat 31, and the second slider 35 is movably provided on the second guide rail 12; the second driving member 32 is set as a screw stepping motor, which can stably drive the second movable seat 31 to move along the second guide rail 12; the second driving member 32 is connected to an encoder 34, and the encoder 34 is connected to the controller. The controller can accurately control the number of rotations of the screw stepping motor through the encoder 34, and then accurately control the moving position of the second movable seat 31; further, the second movable seat 31 can be provided with a swing arm, and the swing arm can swing around an axis parallel to the second direction. The detection member 33 is set on the swing arm, and the position and angle of the detection member 33 can be conveniently adjusted to ensure the accuracy of the detection of the edge of the regenerated cellulose functional film.

[0023] It should be noted that the detection element 33 is preferably set as an ultrasonic sensor, and the controller is preferably set as a PLC.

[0024] In this embodiment, please refer to Figure 1-Figure 3 Two first limit sensors 13 for limiting the moving range of the first movable seat 21 are provided on the base 1. The first limit sensor 13 is connected to the controller. The first movable seat 21 is located between the two first limit sensors 13, and the moving range of the first movable seat 21 can be accurately controlled.

[0025] Similarly, please refer to Figure 1 , Figure 2 and Figure 4 Two second limit sensors 14 for limiting the moving range of the second movable seat 31 are provided on the base 1. The second limit sensors 14 are connected to the controller. The second movable seat 31 is located between the two second limit sensors 14, and the moving range of the second movable seat 31 can be accurately controlled.

[0026] In this embodiment, please refer to Figure 1 , Figure 2 and Figure 5 A buffer assembly is also provided on the base 1 between the adjusting assembly and the guiding assembly, and the buffer assembly includes a rotatable first buffer roller 51 and a second buffer roller 52, and the axes of the first buffer roller 51 and the second buffer roller 52 are parallel to the second direction; the first buffer roller 51 is lower than the adjusting roller 22, and the second buffer roller 52 is higher than the first buffer roller 51, and the first buffer roller 51 is located between the adjusting roller 22 and the second buffer roller 52. The regenerated cellulose functional film passes around from under the first buffer roller 51 and then passes around from over the second buffer roller 52, which can stabilize the wrap angle between the regenerated cellulose functional film and the adjusting roller 22, thereby effectively alleviating the distortion and loose edge problem occurring in the deviation correction process of the regenerated cellulose functional film.

[0027] For further information, please refer to Figure 5The first buffer roller 51 should be connected to a lifting member 53 that can drive it to rise and fall. The lifting member 53 is connected to a controller. The lifting member 53 can adjust the height of the first buffer roller 51, thereby conveniently controlling the tension value of the regenerated cellulose functional film. For details, please refer to Figure 1 , Figure 2 and Figure 5 Two buffer plates 54 are arranged opposite to each other on the base 1, and the two ends of the second buffer roller 52 are rotatably connected with the two buffer plates 54 through bearings or rotating shafts; the lifting member 53 is set as two cylinders, and the cylinder bodies of the two cylinders are respectively fixed on the two buffer plates 54, and a rotating base block 55 is provided on the piston rod of the cylinder, and the two ends of the first buffer roller 51 are rotatably connected with the rotating base block 55; in other embodiments, the lifting member 53 can also be set as an electric push rod or a screw stepping motor, so as to stably drive the first buffer roller 51 to rise and fall.

[0028] In this embodiment, please refer to Figure 1 , Figure 2 and Figure 6 A trimming assembly is also provided on the base 1 between the guide assembly and the winding assembly. The trimming assembly includes a knife holder shaft 61 and a knife groove shaft 62 rotatably provided on the base 1. The knife holder shaft 61 is provided with a plurality of knife holders 63 distributed along the axial direction of the knife holder shaft 61. The knife holder 63 is provided with blades for trimming the regenerated cellulose functional film. The axes of the knife groove shaft 62 and the knife holder shaft 61 are both parallel to the second direction. The knife groove shaft 62 is located between the guide assembly and the knife holder shaft 61.

[0029] For details, please refer to Figure 1 , Figure 2 and Figure 6 Two trimming plates 64 are arranged opposite to each other on the base 1 , and both ends of the knife groove shaft 62 and both ends of the knife holder shaft 61 are rotatably connected to the two trimming plates 64 respectively.

[0030] For further information, please refer to Figure 6 The tool holder shaft 61 is connected to a lifting and lowering member that can drive it to rotate. The lifting and lowering member includes a worm gear coaxially arranged with the tool holder shaft 61 and a worm 65 arranged on the trimming plate 64. The worm 65 cooperates with the worm gear. A handwheel 66 is provided at one end of the worm 65. By turning the handwheel 66, the lifting and lowering of the tool holder 63 can be easily and accurately adjusted to ensure the trimming effect.

[0031] For further information, please refer to Figure 6 A rotatable guide roller 67 is also provided between the two trimming plates 64. The guide roller 67 is located below the knife groove shaft 62. The guide roller 67 can increase the wrap angle of the regenerated cellulose functional film and make the trimming process more stable.

[0032] Second, Please refer to Figure 1-Figure 7 The present invention provides a method for treating the surface of a regenerated cellulose functional film roller, which is applied to the aforementioned regenerated cellulose functional film roller surface treating device, and comprises the following steps: Step S1: The controller controls the second driving member 32 to drive the second movable seat 31 to randomly move in the first amplitude range along the second direction, and the detection member 33 measures the position of the edge of the regenerated cellulose functional film in real time; wherein the first amplitude range is the moving range of the second movable seat 31 under the limit of the two second limit sensors 14, and specifically, the first amplitude range is set to 6-14 mm; Step S2: The controller can obtain the real-time position information of the second movable seat 31 based on the second driving member 32, and the controller can receive the real-time position information of the edge of the regenerated cellulose functional film measured by the detection member 33; Step S3: The controller controls the first driving member to drive the first movable seat 21 to move in the second direction within the second amplitude range according to the real-time position information of the second movable seat 31 and the real-time position information of the edge of the regenerated cellulose functional membrane, so that the edge of the regenerated cellulose functional membrane moves toward the direction close to the real-time position of the second movable seat 31; in actual use, one side edge of the regenerated cellulose functional membrane and a specific point on the second movable seat 31 can be located on the same vertical plane parallel to the first direction, and one side edge of the regenerated cellulose functional membrane and a specific point on the second movable seat 31 can maintain a constant distance in the second direction; wherein, the second amplitude range is the moving range of the first movable seat 21 under the limit of the two first limit sensors 13, and specifically, the second amplitude range is set to 5-15mm.

[0033] Through the above steps, the traction tension of the regenerated cellulose functional film during the winding process is no longer fixed at a specific position, avoiding the gradual accumulation of scratches and bulges at the same position, thereby ensuring the smoothness of the surface of the regenerated cellulose functional film and improving the appearance and quality stability of the product.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various changes and modifications. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A regenerated cellulose functional film roller surface treatment device, characterized in that: It comprises a base (1) and a controller; An adjusting component, a guiding component and a winding component are sequentially arranged on the base (1) along a first direction; The adjustment assembly comprises a first movable seat (21) disposed on the base (1), the first movable seat (21) being movable relative to the base (1) along a second direction, the first movable seat (21) being connected to a first driving member for driving the first movable seat (21) to move; the second direction is perpendicular to the first direction; a rotatable adjustment roller (22) is disposed on the first movable seat (21), the axis of the adjustment roller (22) being parallel to the second direction; The guide assembly comprises a second movable seat (31) disposed on the base (1), the second movable seat (31) being movable along a second direction relative to the base (1), the second movable seat (31) being connected to a second driving member (32) for driving the second movable seat (31) to move; and a detection member (33) is provided on the second movable seat (31); The winding assembly comprises a rotatable winding roller (4), wherein the axis of the winding roller (4) is parallel to the second direction; The controller is connected to the first driving member, the second driving member (32) and the detection member (33) respectively.

2. A regenerated cellulose functional film roller surface treatment device according to claim 1, characterized in that: A buffer component is also provided on the base (1) between the adjusting component and the guiding component, the buffer component comprising a rotatable first buffer roller (51) and a second buffer roller (52), the axes of the first buffer roller (51) and the second buffer roller (52) being parallel to the second direction; the first buffer roller (51) is lower than the adjusting roller (22), the second buffer roller (52) is higher than the first buffer roller (51), and the first buffer roller (51) is located between the adjusting roller (22) and the second buffer roller (52).

3. The regenerated cellulose functional film roller surface treatment device according to claim 2, characterized in that: The first buffer roller (51) is connected to a lifting member (53) capable of driving the first buffer roller (51) to move up and down.

4. The regenerated cellulose functional film roller surface treatment device according to claim 3, characterized in that: The base (1) is provided with two buffer plates (54) arranged opposite to each other, and the two ends of the second buffer roller (52) are respectively rotatably connected to the two buffer plates (54); the lifting member (53) is configured as two cylinders, the cylinder bodies of the two cylinders are respectively fixed on the two buffer plates (54), a rotating base block (55) is provided on the piston rod of the cylinder, and the two ends of the first buffer roller (51) are respectively rotatably connected to the rotating base block (55).

5. The regenerated cellulose functional film roller surface treatment device according to claim 1, characterized in that: A trimming assembly is also provided on the base (1) between the guide assembly and the winding assembly, the trimming assembly comprising a tool holder shaft (61) and a tool groove shaft (62) rotatably provided on the base (1), a plurality of tool holders (63) being provided on the tool holder shaft (61); the axes of the tool groove shaft (62) and the tool holder shaft (61) are both parallel to the second direction; the tool groove shaft (62) is located between the guide assembly and the tool holder shaft (61).

6. The regenerated cellulose functional film roller surface treatment device according to claim 5, characterized in that: The base (1) is provided with two trimming plates (64) arranged opposite to each other, and both ends of the knife groove rotating shaft (62) and both ends of the knife holder shaft (61) are respectively rotatably connected to the two trimming plates (64).

7. The regenerated cellulose functional film roller surface treatment device according to claim 6, characterized in that: The tool holder shaft (61) is connected to a lifting member capable of driving the tool holder shaft to rotate, the lifting member comprising a worm wheel coaxially arranged with the tool holder shaft (61) and a worm (65) arranged on the trimming plate (64), the worm (65) cooperating with the worm wheel, and a hand wheel (66) being arranged at one end of the worm (65); And / or, a rotatable guide roller (67) is further provided between the two trimming plates (64), and the guide roller (67) is located below the knife groove rotating shaft (62).

8. The regenerated cellulose functional film roller surface treatment device according to claim 1, characterized in that: The base (1) is provided with a first guide rail (11), the bottom of the first movable seat (21) is provided with a first slider, and the first slider is movably arranged on the first guide rail (11); the first driving member is set as a screw stepping motor; And / or, the base (1) is provided with a second guide rail (12), the bottom of the second movable seat (31) is provided with a second slider (35), and the second slider (35) is movably arranged on the second guide rail (12); the second driving member (32) is configured as a screw stepping motor; the second driving member (32) is connected to an encoder (34), and the encoder (34) is connected to the controller; And / or, the detection element (33) is configured as an ultrasonic sensor; And / or, the controller is configured as a PLC.

9. A regenerated cellulose functional film roller surface treatment device according to claim 1 or 8, characterized in that: The base (1) is provided with a first limit sensor (13) for limiting the moving range of the first movable seat (21), and the first limit sensor (13) is connected to the controller; And / or, a second limit sensor (14) for limiting the moving range of the second movable seat (31) is provided on the base (1), and the second limit sensor (14) is connected to the controller.

10. A method for treating the surface of a regenerated cellulose functional film roller, applied to the regenerated cellulose functional film roller surface treating device according to any one of claims 1 to 9, characterized in that: The following steps are involved: Step S1: the controller controls the second driving member (32) to drive the second moving seat (31) to move randomly along the second direction within a first amplitude range, and the detection member (33) measures the position of the edge of the regenerated cellulose functional film in real time; Step S2: the controller can obtain the real-time position information of the second movable seat (31) based on the second driving member (32), and the controller can receive the real-time position information of the edge of the regenerated cellulose functional film measured by the detection member (33); Step S3: The controller controls the first driving member to drive the first movable seat (21) to move along the second direction within a second amplitude range according to the real-time position information of the second movable seat (31) and the real-time position information of the edge of the regenerated cellulose functional membrane, so that the edge of the regenerated cellulose functional membrane moves in a direction close to the real-time position of the second movable seat (31).

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