A reel-reel deviation correction device for label printing equipment

Abstract

The present application provides a reeling and unreeling correction device for label printing equipment, which is provided with a main correction component and an auxiliary correction component; the main correction component includes a main correction bracket movably connected to the mounting frame, a main correction drive structure arranged on the main correction bracket and a main sensor structure arranged between the roll shaft and the paper guide roller, which is used to monitor the deviation during reeling and unreeling, and perform preliminary correction on the label roll by controlling the horizontal movement of the unreeling component; the auxiliary correction component includes a telescopic correction rod structure and an auxiliary sensor structure close to one end of the unreeling component, the telescopic correction rod structure is located below the label roll, and the rod body is provided with internal and external adjustment baffles and small protrusions to perform final fine-tuning correction before printing, so as to ensure that the label roll always maintains a predetermined position without deviation during the unreeling, reeling and transmission printing process, thereby improving the yield rate of label printing, reducing material loss, and ensuring the neatness of reeling.

Description

Technical Field

[0001] The utility model belongs to the technical field of winding and unwinding roll deviation correction, and in particular relates to a winding and unwinding roll deviation correction device for label printing equipment. Background Art

[0002] As a data carrier, electronic tags can play the role of identification, item tracking, and information collection. In foreign countries, electronic tags have been applied in a wide range of fields. In the process of printing variable data on the surface of blank electronic tags, since most electronic label materials are currently packaged in rolls, the printing process involves steps such as unwinding, rewinding, and conveying the label roll. In the above steps, it is very easy to have slight deviations in the rewinding due to various reasons such as the rewinding speed or the ink pressure during the printing process. In the end, the rewinding is not neat and may even cause the printing to shift and produce defective products. Therefore, it is usually necessary to use a correction device to ensure that the label roll is always kept in the predetermined position during the whole process, reduce the production of defective products, and ensure that the printed label roll is neatly rewound.

[0003] The utility model relates to a winding and unwinding correction device for label printing equipment. Automatic correction components are arranged at the winding and unwinding positions of the roll material and during the roll material transmission process to ensure that the label roll material always maintains a predetermined position without deviation during the unwinding, winding and transmission printing processes, thereby improving the yield rate of label printing, reducing material loss, and ensuring the neatness of the winding. Utility Model Content

[0004] In response to the above-mentioned existing problems, the present invention proposes a roll-up and unwinding correction device for label printing equipment, in which automatic correction components are arranged at the roll-up and unwinding points and during the roll-transmission process to ensure that the label roll always maintains a predetermined position without deviation during the unwinding, rewinding and transmission printing processes, thereby improving the yield rate of label printing and reducing material loss.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a rewinding and unwinding correction device for label printing equipment, including an unwinding component and a rewinding component, the unwinding component and the rewinding component are used to place the label roll, and are both provided with a placement frame and a roll shaft and a paper guide roller fixed on the placement frame, and are provided with a main correction component and an auxiliary correction component; the main correction component is connected to the unwinding component or the rewinding component, and includes a main correction bracket, a main correction drive structure and a main sensing structure, the outer side of the main correction bracket is movably connected to the placement frame, the main correction drive structure is arranged on the main correction bracket, and one end of the main correction drive structure is connected to the placement frame The auxiliary correction component is arranged between the unwinding component and the rewinding component, and includes a telescopic correction rod structure and an auxiliary sensor structure. The auxiliary sensor structure is electrically connected to the telescopic correction rod structure. The telescopic correction rod structure is provided with inner and outer adjustment baffles. The outer surface of the rod between the inner and outer adjustment baffles is distributed with small protrusions for fine-tuning the position of the label roll during the unwinding and rewinding process.

[0006] Preferably, a workbench is provided, and the unwinding assembly and the rewinding assembly are arranged at both ends of the side of the workbench. The main correction assembly is provided with two groups, which are respectively fixed at the unwinding assembly and the rewinding assembly on the side of the workbench. The auxiliary correction assembly is provided with multiple groups, which are all placed on the workbench surface close to one end of the unwinding assembly.

[0007] Preferably, the main deviation-correcting bracket includes a placement surface and two connecting plates symmetrically fixed to the side surfaces of the placement surface, and the ends of the connecting plates away from the placement surface are each provided with a sliding connection groove block.

[0008] Preferably, the main correction drive structure is a ball screw type linear module, including a screw drive motor, a ball screw, a coupling, a linear guide and a slide. The linear guide is arranged on the mounting surface, the drive motor is arranged at one end of the linear guide, and is connected to one end of the ball screw through the coupling. The slide is slidably arranged on the linear guide, and its side facing the mounting surface is fixed to the end of the ball screw away from the drive motor, and the opposite side is fixed to the mounting frame.

[0009] Preferably, the main sensing structure includes a main light curtain sensor group and a main calibration scale group. The main light curtain sensor group is arranged between the paper guide roller and the auxiliary correction component, and is electrically connected to the screw drive motor. The main calibration scale group is arranged parallel to one side of the main light curtain sensor group.

[0010] Preferably, the telescopic correction rod structure is an electric push rod, including a push rod drive motor and a telescopic rod telescopically connected to the push rod drive motor. The push rod drive motor is fixed on the workbench surface. The telescopic rod is provided with inner and outer adjustment baffles, and small protrusions are distributed on the outer surface of the rod body between the inner and outer adjustment baffles.

[0011] Preferably, the auxiliary sensing structure includes an auxiliary light curtain sensor group and an auxiliary calibration scale. The auxiliary light curtain sensor group is arranged between the paper guide roller and the telescopic correction rod structure, and is electrically connected to the push rod drive motor. The auxiliary calibration scale is arranged on the workbench surface and is parallel to the label roll.

[0012] Preferably, the workbench is also provided with two groups of transmission roller assemblies, which are arranged between the unwinding assembly or the winding assembly and the auxiliary correction assembly. The transmission roller assembly includes a pressure roller, a tension roller and a steering roller, and the pressure roller, tension roller and steering roller are staggered on the side of the workbench.

[0013] Preferably, the placement frame includes a movable frame, a hollow connecting rod and a connecting arm; the upper and lower edges of the back side of the movable frame are provided with symmetrical sliding grooves adapted to the sliding connecting groove blocks, the movable frame is movably arranged on the connecting plate through the sliding grooves, and a winding shaft driving structure is provided on one side thereof, the connecting arm is arranged on the other side of the movable frame through the hollow connecting rod, the winding shaft and the paper guide roller are arranged on the connecting arm, wherein one end of the winding shaft passes through the hollow connecting rod and can be rotatably connected to the winding shaft driving structure.

[0014] Preferably, the reel drive structure includes a reel drive motor and a transmission belt connected between the reel drive motor and the reel.

[0015] The label printing device of the present invention has the advantages that: the label printing device of the present invention has the advantages that: a reeling and unreeling correction device of the label printing device is provided with a reeling assembly and a reeling assembly at both ends of the side of the workbench, a main correction assembly is provided at the mounting frame of the reeling assembly or the reeling assembly, and an auxiliary correction assembly is provided between the reeling assembly and the reeling assembly; the main correction assembly includes a main correction bracket movably connected to the mounting frame, a main correction drive structure arranged on the main correction bracket and a main sensing structure arranged between the roll shaft of the reeling assembly or the reeling assembly and the paper guide roller, the main sensing structure is electrically connected to the main correction drive structure, and is used to monitor the position of the label roll during reeling and unreeling, and perform preliminary correction on the label roll by controlling the horizontal movement of the roll shaft and the paper guide roller; the auxiliary correction assembly includes a telescopic correction rod structure arranged on the workbench surface and a main correction rod structure arranged on the workbench surface The table top is close to an auxiliary sensing structure at one end of the unwinding assembly, and the auxiliary sensing structure is electrically connected to the telescopic correcting rod structure. The telescopic correcting rod structure is always under the label roll during the unwinding and winding process, and an inner and outer adjustment baffle is provided on the rod body. Small protrusions are distributed on the outer surface of the rod between the inner and outer adjustment baffles, so as to perform final fine-tuning and correction on the position of the label roll before printing during the unwinding and winding process, so as to ensure that the label roll always maintains the predetermined position without deviation during the unwinding, winding and transmission printing process, thereby improving the yield rate of label printing, reducing material loss, and ensuring the neatness of winding; in addition, pressure rollers, tension rollers and steering rollers are staggeredly distributed at both ends of the side of the workbench from bottom to top, and steering rollers are distributed at both ends of the workbench table to ensure the flatness of the label roll surface and the overall tension during the unwinding and winding process, and the conveying direction of the label roll can also be flexibly adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural schematic diagram of a reel-and-roll deviation-correcting device for label printing equipment of the present invention;

[0017] Figure 2 This is a structural diagram of the main deviation-correcting component of the present utility model.

[0018] In the figure: 1-workbench, 11-unwinding assembly, 12-rewinding assembly, 13-movable frame, 14-sliding groove, 15-reel shaft drive motor, 16-transmission belt, 17-hollow connecting rod, 18-connecting arm, 19-reel shaft, 110-paper guide roller, 21-placement surface, 22-connecting plate, 23-sliding connecting groove block, 24-main deviation correction drive structure, 25-main light curtain sensor group, 26-main calibration scale group, 3-push rod drive motor, 31-telescopic rod, 32-inside and outside adjustment baffle, 33-auxiliary light curtain sensor group, 34-auxiliary calibration scale, 41-pressure roller, 42-tension roller, 43-steering roller, 5-label roll. DETAILED DESCRIPTION

[0019] To further explain the present invention in detail, the following description is provided with reference to the accompanying drawings. It should be noted that the embodiments described below are only a portion of the embodiments of the present invention, and not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0020] See Figure 1 The present embodiment provides a reeling and unreeling deflection correction device for a label printing device, comprising a workbench 1, an unreeling assembly 11, a reeling assembly 12, a main deflection correction assembly, a transmission roller assembly and an auxiliary deflection correction assembly; in the present embodiment, the unreeling assembly 11 and the reeling assembly 12 are arranged at both ends of the side of the workbench 1; two groups of main deflection correction assemblies are provided, which are respectively fixed at the unreeling assembly 11 and the reeling assembly 12 on the side of the workbench 1; an auxiliary deflection correction assembly is provided and placed on the surface of the workbench 1 at one end close to the unreeling assembly 11; two groups of transmission roller assemblies are provided, which are respectively placed between the unreeling assembly 11 and the auxiliary deflection correction assembly and between the reeling assembly 12 and the auxiliary deflection correction assembly.

[0021] The unwinding assembly 11 and the rewinding assembly 12 are used to place the label roll 5, and are both provided with a placement frame and a reel shaft 19 and a paper guide roller 110 fixed to the placement frame. The placement frame includes a movable frame 13, a hollow connecting rod 17 and a connecting arm 18. The upper and lower edges of the back of the movable frame 13 are symmetrically provided with sliding grooves 14, and a reel shaft driving structure is provided on one side thereof, and the connecting arm 18 is fixed on the other side by the hollow connecting rod 17. The connecting arm 18 is parallel to the side away from the movable frame 13 and connects the reel shaft 19 and the paper guide roller 110. In this embodiment, the reel shaft driving structure includes a reel shaft driving motor 15 fixed to the movable frame 13 and a transmission belt 16 connected to the output end of the reel shaft driving motor 15. One end of the reel shaft 19 passes through the hollow connecting rod 17 and can be rotatably connected to the transmission belt 16. The reel shaft driving motors 15 provided on the unwinding assembly 11 and the rewinding assembly 12 drive the corresponding transmission belts 16 in opposite directions.

[0022] The transmission roller assembly includes a pressure roller 41, a tension roller 42 and a steering roller 43. The pressure roller 41 is provided with a roll flattening block to keep the surface of the label roll 5 flat; the tension roller 42 is provided with a tension sensor to constantly monitor the overall tension of the label roll 5 during the winding and unwinding process; there are two steering rollers 43 for adjusting the conveying direction of the label roll 5. In this embodiment, a pressure roller 41, a tension roller 42 and a steering roller 43 are staggeredly distributed from bottom to top at both ends of the side of the workbench 1, and a steering roller 43 is distributed at both ends of the workbench 1 surface.

[0023] See Figure 1 and Figure 2 , the main correcting component is connected to the unwinding component 11 or the rewinding component 12, and includes a main correcting bracket, a main correcting drive structure 24 and a main sensing structure; in this embodiment, the main correcting bracket includes a placement surface 21 and two connecting plates 22 symmetrically fixed to the side surfaces of the placement surface 21, and the upper and lower edges of the end of the connecting plate 22 away from the placement surface 21 are provided with sliding connection groove blocks 23 adapted to the sliding groove 14, and the movable frame 13 is movably placed on the connecting plate 22 through the sliding groove 14 and the sliding connection groove blocks 23; the main correcting drive The dynamic structure 24 is a ball screw type linear module, including a screw drive motor, a ball screw, a coupling, a linear guide and a slide. The linear guide is arranged on the placement surface 21, and the drive motor is arranged at one end of the linear guide and is connected to one end of the ball screw through the coupling. The slide is slidably arranged on the linear guide, and its side facing the placement surface 21 is fixed to the end of the ball screw away from the drive motor, and the opposite side is fixed to the placement frame, which is used to control the horizontal movement of the winding shaft 19 and the paper guide roller 110;

[0024] The main sensing structure includes a main light curtain sensor group 25 and a main calibration scale group 26 electrically connected to the screw drive motor. The main light curtain sensor group 25 is placed between the paper guide roller 110 and the pressure roller 41, and includes at least two light curtain sensors, on which are provided a plurality of infrared emitting tubes installed at equal intervals and infrared receiving tubes arranged one-to-one corresponding to the infrared emitting tubes. The main calibration scale group 26 is arranged parallel to one side of the main light curtain sensor group 25 and includes at least two calibration scales. During the winding and unwinding process, there is a continuous infrared radiation between the infrared emitting tube and the infrared receiving tube. In the outer signal area, when the label roll 5 passes through the infrared signal area, the infrared signal will be blocked or obstructed. By comparing the position of the calibration scale corresponding to the blocking or obstruction situation with the predetermined roll label position, the deviation of the label roll 5 during unwinding or rewinding can be monitored at all times; if the label roll 5 deviates from the predetermined position, the screw drive motor drives the ball screw to extend or retract according to the deviation situation, so as to drive the placement frame to move horizontally left and right through the slide, adjust the position of the unwinding component 11 or the rewinding component 12 to release or retract the label roll 5, and perform preliminary correction processing.

[0025] The auxiliary correction component is arranged between the unwinding component 11 and the winding component 12, and includes a telescopic correction rod structure and an auxiliary sensing structure. In the present embodiment, two groups of telescopic correction rod structures are provided, which are arranged on the surface of the workbench 1. The telescopic correction rod structures are all electric push rods, including a push rod drive motor 3 and a telescopic rod 31 that is telescopically connected to the push rod drive motor 3. The push rod drive motor 3 is fixed on the surface of the workbench 1. The telescopic rod 31 is provided with inner and outer adjustment baffles 32, and small protrusions are distributed on the outer surface of the rod between the inner and outer adjustment baffles 32; the auxiliary sensing structure includes an auxiliary light curtain sensor group 33 and an auxiliary calibration scale 34 electrically connected to the telescopic correction rod structure, and the auxiliary light curtain sensor group 33 is arranged between the steering roller 43 of the workbench 1 near one end of the unwinding component 11 and the telescopic correction rod structure, including at least 2 light curtains The sensor is provided with a plurality of infrared emitting tubes installed at equal intervals and infrared receiving tubes arranged one by one corresponding to the infrared emitting tubes. The auxiliary calibration scale 34 is a calibration scale arranged on the surface of the workbench 1 and parallel to the label roll 5. During the transmission of the label roll 5, there is a continuous infrared signal area between the infrared emitting tube and the infrared receiving tube. When the label roll 5 passes through the infrared signal area, the infrared signal will be blocked or obstructed. By comparing the position of the calibration scale corresponding to the blocking or obstruction situation with the predetermined roll label position, the deviation of the label roll 5 during the transmission process can be monitored at all times; if the label roll 5 deviates from the predetermined position, the push rod drive motor 3 drives the telescopic rod 31 to extend or retract according to the deviation situation, and the position of the label roll 5 is finally fine-tuned and corrected by driving the bottom surface of the label roll 5 with the small protrusion and pushing the side of the label roll 5 with the inner and outer adjustment baffles 32.

[0026] In this embodiment, the above is only an example and is not intended to limit the scope of protection of this application.

[0027] The utility model provides a reeling and unreeling correction device for label printing equipment, wherein an unwinding assembly and a rewinding assembly are arranged at both ends of the side of the workbench, a main correction assembly is arranged at the placement frame of the unwinding assembly or the rewinding assembly, and an auxiliary correction assembly is arranged between the unwinding assembly and the rewinding assembly; the main correction assembly includes a main correction bracket movably connected to the placement frame, a main correction drive structure arranged on the main correction bracket and a main sensing structure arranged between the roll shaft of the unwinding assembly or the rewinding assembly and the paper guide roller, the main sensing structure is electrically connected to the main correction drive structure, and is used to monitor the position of the label roll during unwinding and unwinding, and perform preliminary correction on the label roll by controlling the horizontal movement of the roll shaft and the paper guide roller; the auxiliary correction assembly includes a telescopic correction rod structure arranged on the workbench surface and a main correction rod structure arranged on the workbench surface The auxiliary sensing structure is close to one end of the unwinding assembly, and the auxiliary sensing structure is electrically connected to the telescopic correcting rod structure. The telescopic correcting rod structure is always under the label roll during the unwinding and winding process. Small protrusions are distributed on the outer surface of the rod, and an adjustment baffle is provided at one end to perform final fine-tuning and correction on the position of the label roll before printing during the unwinding and winding process, so as to ensure that the label roll always maintains the predetermined position without deviation during the unwinding, winding and transmission printing process, thereby improving the yield rate of label printing, reducing material loss, and ensuring the neatness of winding; in addition, pressure rollers, tension rollers and steering rollers are staggeredly distributed at both ends of the side of the workbench from bottom to top, and steering rollers are distributed at both ends of the workbench surface to ensure the flatness of the label roll surface and the overall tension during the unwinding and winding process, and the label roll transmission direction can also be flexibly adjusted.

[0028] The embodiments disclosed above are only for the purpose of explaining the present invention in detail and are not intended to limit the scope of the present invention. Therefore, simple improvements and changes made within the scope of the claims of the present invention are still within the scope of protection of the present invention.

[0029] The scope of protection of the present invention shall be based on the scope defined above. For those skilled in the art, it is possible to make several improvements and modifications without departing from the spirit and scope of the present invention, and these modifications shall also be considered as the scope of protection of the present invention.

Claims

1. A reel-unwinding and reel-correcting device for label printing equipment, comprising an unwinding assembly and a reeling assembly, wherein the unwinding assembly and the reeling assembly are used to place label rolls, and both are provided with a placement frame and a roll shaft and a paper guide roller fixed on the placement frame, characterized in that: A main deviation-correcting component and an auxiliary deviation-correcting component are provided; The main deflection correction component is connected to the unwinding component or the rewinding component, and includes a main deflection correction bracket, a main deflection correction drive structure and a main sensing structure. The outer side of the main deflection correction bracket is movably connected to the placement frame. The main deflection correction drive structure is arranged on the main deflection correction bracket, and one end of the main deflection correction drive structure is connected to the placement frame, and is used to control the horizontal movement of the roll shaft and the paper guide roller. The main sensing structure is arranged between the roll shaft and the paper guide roller, and is electrically connected to the main deflection correction drive structure, and is used to monitor the position of the label roll; The auxiliary correction component is arranged between the unwinding component and the winding component, and includes a telescopic correction rod structure and an auxiliary sensing structure. The auxiliary sensing structure is electrically connected to the telescopic correction rod structure. The telescopic correction rod structure is provided with inner and outer adjustment baffles. Small protrusions are distributed on the outer surface of the rod body between the inner and outer adjustment baffles, which are used to fine-tune the position of the label roll during the unwinding and winding process.

2. The reel-reel deviation correction device for label printing equipment according to claim 1 is characterized in that: A workbench is provided, and the unwinding assembly and the rewinding assembly are arranged at both ends of the side of the workbench, the main correcting assembly is provided with two groups, which are respectively fixed at the unwinding assembly and the rewinding assembly on the side of the workbench, and the auxiliary correcting assembly is provided with multiple groups, which are all placed on the workbench surface close to one end of the unwinding assembly.

3. The reel-reel deviation correction device for label printing equipment according to claim 2 is characterized in that: The main deviation-correcting bracket comprises a placement surface and two connecting plates symmetrically fixed on the side surfaces of the placement surface, and a sliding connection groove block is arranged at one end of the connecting plate away from the placement surface.

4. The reel-winding and reel-correcting device for label printing equipment according to claim 3 is characterized in that: The main deviation correction drive structure is a ball screw type linear module, including a screw drive motor, a ball screw, a coupling, a linear guide and a slide. The linear guide is arranged on the mounting surface, the drive motor is arranged at one end of the linear guide and is connected to one end of the ball screw through the coupling. The slide is slidably arranged on the linear guide, and a side facing the mounting surface is fixed to an end of the ball screw away from the drive motor, and an opposite side is fixed to the mounting frame.

5. The reel-in and reel-out deviation-correcting device for label printing equipment according to claim 4 is characterized in that: The main sensing structure includes a main light curtain sensor group and a main calibration scale group. The main light curtain sensor group is arranged between the paper guide roller and the auxiliary correction component and is electrically connected to the screw drive motor. The main calibration scale group is arranged in parallel on one side of the main light curtain sensor group.

6. The reel-reel deviation correction device for label printing equipment according to claim 2 is characterized in that: The telescopic correction rod structure is an electric push rod, including a push rod drive motor and a telescopic rod telescopically connected to the push rod drive motor. The push rod drive motor is fixed on the workbench surface. The telescopic rod is provided with inner and outer adjustment baffles, and small protrusions are distributed on the outer surface of the rod body between the inner and outer adjustment baffles.

7. The reel-in and reel-out deviation-correcting device for label printing equipment according to claim 6, characterized in that: The auxiliary sensing structure includes an auxiliary light curtain sensor group and an auxiliary calibration scale. The auxiliary light curtain sensor group is arranged between the paper guide roller and the telescopic correction rod structure, and is electrically connected to the push rod drive motor. The auxiliary calibration scale is arranged on the workbench surface and is parallel to the label roll.

8. The reel-winding and reel-unwinding correction device for label printing equipment according to claim 2 is characterized in that: The workbench is also provided with two sets of transmission roller assemblies, which are arranged between the unwinding assembly or the winding assembly and the auxiliary deviation correction assembly. The transmission roller assembly includes a pressure roller, a tension roller and a steering roller, and the pressure roller, the tension roller and the steering roller are staggeredly distributed on the side of the workbench.

9. The reel-unreel deviation correction device for label printing equipment according to claim 3 is characterized in that: The placement frame includes a movable frame, a hollow connecting rod and a connecting arm; the upper and lower edges of the back side of the movable frame are provided with symmetrical sliding grooves adapted to the sliding connecting groove blocks, the movable frame is movably arranged on the connecting plate through the sliding grooves, and a winding shaft driving structure is arranged on one side of the movable frame, the connecting arm is arranged on the other side of the movable frame through the hollow connecting rod, the winding shaft and the paper guide roller are arranged on the connecting arm, wherein one end of the winding shaft passes through the hollow connecting rod and can be rotatably connected to the winding shaft driving structure.

10. The reel-winding and reel-correcting device for label printing equipment according to claim 9, characterized in that: The coiling shaft driving structure comprises a coiling shaft driving motor and a transmission belt connected between the coiling shaft driving motor and the coiling shaft.

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