PVC color film calibration printing device

Abstract

The utility model discloses a PVC color film calibration printing device which comprises a printing table, supporting columns are arranged at the four corners of the bottom of the printing table, a rolling assembly is arranged on one side of the printing table, a printing assembly is arranged on one side of the rolling assembly, and a guide assembly is arranged on the side, away from the rolling assembly, of the printing table. A PVC color film to be printed is dragged to one side of a guide rod, then guided to the outer circle wall of a guide sliding rod from a winding rod on one side, guided to the bottom of a pressing roller through a winding rod on the other side and finally wound to the outer circle wall of a winding shaft, and the PVC color film to be printed is wound to the outer circle wall of the winding shaft. In the conveying process of the color film, the distance between the V-shaped calibration blocks on the two sides of the lead screw is adjusted by controlling the positive and negative rotation of the third motor, so that the calibration rods on the two sides are attached to the two sides of the conveyed color film, the color film with the large breadth difference is guided and calibrated, and deviation of the color film is prevented; and the color film printing quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PVC color film printing, in particular to a PVC color film calibration printing device. Background Art

[0002] PVC color film is a color film material made of polyvinyl chloride (PVC) as the main raw material and processed by a special process. It has good toughness and wear resistance and can effectively protect packaged items from damage. At present, when printing PVC color film, the conveyed color film is prone to deviation, so a calibration device is needed to calibrate the color film. However, traditional printing equipment is difficult to calibrate color films with large width differences, and folding may also occur during the printing and conveying process of the color film, thereby affecting the printing effect of the color film. Utility Model Content

[0003] The utility model aims to provide a PVC color film calibration printing device to solve the problem that the traditional printing equipment mentioned in the above background technology is difficult to calibrate the color film with large width difference.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PVC color film calibration printing device, comprising a printing table, support columns are provided at the four corners of the bottom of the printing table, a winding assembly is provided on one side of the printing table, a printing assembly is provided on one side of the winding assembly, a guide assembly is provided on the side of the printing table away from the winding assembly, the printing table is symmetrically provided with a driving assembly between the printing assembly and the guide assembly, a mounting frame is provided on one side of the driving assembly for lifting, one end of the mounting frame on both sides is located at the top of the printing assembly and is provided with a pressure roller for rotating together, and a calibration assembly is provided on the side of the mounting frame on both sides away from the pressure roller.

[0005] Preferably, the winding assembly includes a winding plate symmetrically arranged on one side of the top of the printing table, a winding shaft is rotatably arranged in the middle of the winding plates on both sides, and the winding plate on one side is provided with an output shaft and a motor fixedly connected to the end of the winding shaft.

[0006] Preferably, the printing assembly includes a printing plate symmetrically arranged on one side of the winding assembly, printing rollers are rotatably arranged in the middle of the printing plates on both sides, one side of the printing plate is provided with an output shaft and a motor 2 fixedly connected to the end of the printing roller, and the printing table is located at the bottom of the printing roller and is provided with an ink cartridge.

[0007] Preferably, the guide assembly includes a telescopic box symmetrically provided on the other side of the printing table, a telescopic cavity provided in the telescopic box, a telescopic rod provided for lifting and lowering in the telescopic cavity, the bottom wall of the telescopic cavity is connected to the telescopic rod on the same side through a spring, and a guide rod is provided on the top of the telescopic rod to rotate together.

[0008] Preferably, the driving assembly includes a driving frame symmetrically arranged between the printing assembly and the guiding assembly, a guide rail is provided on one side of the driving frame, a sliding block is slidably provided on the guide rail and is fixedly connected to the mounting frame, and the driving frames on both sides are provided with electric cylinders whose telescopic ends are fixedly connected to the mounting frame on the same side.

[0009] Preferably, the calibration assembly includes a screw rod that is jointly rotated at the top of the mounting brackets on both sides, a motor three is provided on one side of the mounting bracket with an output shaft fixedly connected to the end of the screw rod, a V-shaped calibration block is symmetrically threaded on the outer circular wall of the screw rod, and calibration rods are symmetrically rotated on both sides of the V-shaped calibration blocks facing one side, and guide sliding rods are provided on the mounting brackets on both sides at the bottom of the screw rod to jointly rotate.

[0010] Preferably, the mounting frames on both sides are respectively provided with a plurality of winding rods on both sides of the guide sliding rod, and the mounting frames on both sides are provided with a U-shaped air guide frame between two adjacent winding rods, an air guide groove is opened in the middle of the U-shaped air guide frame, an air inlet is provided on one side of the U-shaped air guide frame passing through the mounting frame and connected with the air guide groove, and a plurality of exhaust holes are provided on the inner side wall of the U-shaped air guide frame symmetrically connected to the air guide groove.

[0011] Preferably, the exhaust holes on the side away from the pressure roller are arranged to be inclined outward, and the exhaust holes on the side close to the pressure roller are arranged to be inclined symmetrically toward the mounting frames on both sides.

[0012] Beneficial effects of the utility model:

[0013] 1. The PVC color film to be printed is pulled to one side of the guide rod, and then guided from one side of the winding rod to the outer circular wall of the guide slide rod, and then guided to the bottom of the pressure roller through the other side of the winding rod, and finally wound to the outer circular wall of the winding shaft. The winding shaft is started by starting the motor 1 to realize the winding and conveying of the color film. During the conveying process of the color film, the spacing between the V-shaped calibration blocks on both sides of the screw rod is adjusted by controlling the forward and reverse rotation of the motor 3, so that the calibration rods on both sides are fitted with the two sides of the conveyed color film, thereby realizing the guiding calibration of the color film with large width difference, preventing it from deviation, and improving the printing quality of the color film.

[0014] 2. By adjusting the guide rod to stretch the springs on both sides, the color film is in a straight state during the winding and conveying process. When the tension during the conveying process of the color film is too large, the spring will be further stretched to adjust the tension to a normal state. Or when the tension is too small, the spring will drive the telescopic rod to drop and adjust the tension to a normal state. Then, the tension during the conveying of the color film is adjusted by the spring, so that the color film is always in a straight state during the conveying process, thereby improving the printing effect of the color film.

[0015] 3. By controlling the three motors to drive the lead screw to rotate forward and reverse synchronously, the V-shaped calibration blocks on both sides are driven to move closer or farther away from each other, so as to adjust the spacing between the V-shaped calibration blocks on both sides, so that the side walls of the conveyed color film are respectively fitted with the calibration rods on both sides, and guided by the calibration rods on both sides, the color film with large width differences can be calibrated. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a practical state diagram of an embodiment of the utility model;

[0017] Figure 2 It is a three-dimensional structural schematic diagram of an embodiment of the utility model;

[0018] Figure 3 It is a schematic diagram of a cutaway three-dimensional structure of an embodiment of the utility model;

[0019] Figure 4 It is a schematic diagram of a cross-sectional three-dimensional structure of a U-shaped air guide frame in an embodiment of the utility model;

[0020] Figure 5 It is a schematic diagram of the enlarged structure of point A of an embodiment of the utility model.

[0021] In the figure: 1. printing table; 2. support column; 3. winding assembly; 31. winding plate; 32. winding shaft; 33. motor one; 4. printing assembly; 41. printing plate; 42. printing roller; 43. motor two; 44. ink cartridge; 5. guide assembly; 51. telescopic box; 52. telescopic cavity; 53. telescopic rod; 54. spring; 55. guide rod; 6. drive assembly; 61. drive frame; 62. guide rail; 63. slider; 64. electric cylinder; 7. mounting frame; 8. pressure roller; 9. calibration assembly; 91. lead screw; 92. motor three; 93. V-shaped calibration block; 94. calibration rod; 95. guide slide rod; 10. winding rod; 11. U-shaped air guide frame; 12. air guide groove; 13. air inlet; 14. exhaust hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figures 1 to 5The utility model provides a PVC color film calibration printing device, including a printing table 1, wherein the four corners of the bottom of the printing table 1 are provided with support columns 2, a winding assembly 3 is provided on one side of the printing table 1, a printing assembly 4 is provided on one side of the winding assembly 3, a guide assembly 5 is provided on the side of the printing table 1 away from the winding assembly 3, the printing table 1 is symmetrically provided with a driving assembly 6 between the printing assembly 4 and the guide assembly 5, and a mounting frame 7 is provided on one side of the driving assembly 6 for lifting and lowering, and one end of the mounting frame 7 on both sides is located at the top of the printing assembly 4 and is provided with a pressing roller 8 for rotating together, and the mounting frames 7 on both sides are away from the pressing roller 8. A calibration component 9 is provided on one side of the roller 8. The PVC color film to be printed is pulled to one side of the guide component 5, and then guided and wound into the calibration component 9, and guided to the outer circular wall of the pressure roller 8 along the outer circular wall of a plurality of winding rods 10 and the guide slide rod 95, and finally wound to the outer circular wall of the winding shaft 32. The printing and transportation of the color film is realized through the winding component 3. During the transportation of the color film, the spacing between the V-shaped calibration blocks 93 on both sides of the calibration component 9 is adjusted, and the calibration rods 94 on both sides are fitted with the side edges of the conveyed color film to prevent the calibration guide from deviation, thereby realizing the calibration of the color film with large width difference, and improving the printing quality of the color film.

[0024] like Figure 2 and Figure 3 As shown, specifically, the winding assembly 3 includes a winding plate 31 symmetrically arranged on one side of the top of the printing table 1, and a winding shaft 32 is rotatably arranged in the middle of the winding plates 31 on both sides. The winding plate 31 on one side is provided with a motor 33 whose output shaft is fixedly connected to the end of the winding shaft 32. By starting the motor 33, the winding shaft 32 is driven to rotate synchronously, so that the winding shaft 32 winds up the color film. During the winding and conveying process, the printing of the color film is achieved through the cooperation of the pressure roller 8 and the printing roller 42 in the printing assembly 4.

[0025] Specifically, the printing component 4 includes a printing plate 41 symmetrically arranged on one side of the winding component 3, and a printing roller 42 is rotatably arranged in the middle of the printing plates 41 on both sides. The printing plate 41 on one side is provided with a motor 43 whose output shaft is fixedly connected to the end of the printing roller 42. The printing table 1 is located at the bottom of the printing roller 42 and is provided with an ink box 44. By starting the motor 43 to drive the printing roller 42 to rotate synchronously, the printing roller 42 picks up the ink in the ink box 44, and the pressure roller 8 is used to print the pattern on the surface of the printing roller 42 onto the surface of the color film, thereby realizing the printing of the color film.

[0026] Specifically, the guide assembly 5 includes a telescopic box 51 symmetrically provided on the other side of the printing table 1, a telescopic cavity 52 is provided in the telescopic box 51, a telescopic rod 53 is provided in the telescopic cavity 52 for lifting and lowering, the bottom wall of the telescopic cavity 52 is connected to the telescopic rod 53 on the same side through a spring 54, and a guide rod 55 is provided on the top of the telescopic rod 53 for common rotation. The springs 54 on both sides are stretched by adjusting the guide rods 55, so that the color film is in a straight state during the winding and conveying process. When the tension during the conveying process of the color film is too large, the spring 54 will be further stretched to adjust the tension to a normal state, or when the tension is too small, the spring 54 will drive the telescopic rod 53 to descend to adjust the tension to a normal state, and then the tension during the conveying of the color film is adjusted by the spring 54, so that the color film is always in a straight state during the conveying, thereby improving the printing effect of the color film.

[0027] like Figure 5 As shown, specifically, the driving assembly 6 includes a driving frame 61 symmetrically arranged between the printing assembly 4 and the guiding assembly 5, a guide rail 62 is arranged on one side of the driving frame 61, and a slider 63 fixedly connected to the mounting frame 7 is slidably arranged on the guide rail 62, and the driving frames 61 on both sides are provided with electric cylinders 64 whose telescopic ends are fixedly connected to the mounting frame 7 on the same side, and the mounting frames 7 on both sides are driven to slide and rise and fall along the guide rail 62 on the same side by controlling the telescopic ends of the electric cylinders 64 on both sides, thereby adjusting the distance between the pressing roller 8 and the printing roller 42, so as to realize the printing processing of color films with different thickness specifications, thereby improving the practicability of the equipment.

[0028] Specifically, the calibration assembly 9 includes a screw 91 that rotates together at the top of the mounting frames 7 on both sides, one side of the mounting frames 7 is provided with a motor 3 92 whose output shaft is fixedly connected to the end of the screw 91, the outer cylindrical wall of the screw 91 is symmetrically threaded with a V-shaped calibration block 93, the V-shaped calibration blocks 93 on both sides are symmetrically rotated facing one side and are provided with calibration rods 94, the mounting frames 7 on both sides are located at the bottom of the screw 91 and rotate together with guide rods 95, the screw 91 is driven to rotate forward and reverse synchronously by controlling the motor 3 92, and then the V-shaped calibration blocks 93 on both sides are driven to approach or move away from each other, so as to adjust the spacing between the V-shaped calibration blocks 93 on both sides, so that the side walls of the conveyed color film are respectively fitted with the calibration rods 94 on both sides, and guided by the calibration rods 94 on both sides, so as to realize the calibration of color films with large width differences.

[0029] Specifically, the mounting frames 7 on both sides are located on both sides of the guide slide bar 95 and are respectively provided with a plurality of winding rods 10, the mounting frames 7 on both sides are located between two adjacent winding rods 10 and are provided with a U-shaped air guide frame 11, an air guide groove 12 is opened in the middle of the U-shaped air guide frame 11, an air inlet 13 is provided on one side of the U-shaped air guide frame 11 that passes through the mounting frame 7 and is connected to the air guide groove 12, and a plurality of exhaust holes 14 are provided on the inner side wall of the U-shaped air guide frame 11 that is symmetrically connected to the air guide groove 12, the color film is guided from the winding rod 10 on one side to the outer circular wall of the guide slide bar 95, and then guided to the bottom of the pressure roller 8 through the winding rod 10 on the other side, and then through the exhaust holes 14 on the inner side walls of the U-shaped air guide frames 11 on both sides, the surface of the color film is blown.

[0030] like Figure 4 As shown, specifically, the air inlet 13 of the U-shaped air guide frame 11 is connected to an external air blowing device, and the external air blowing device provides a wind source, thereby achieving cleaning of the color film surface or leveling of the side folding area.

[0031] Specifically, the exhaust holes 14 on the side away from the pressure roller 8 are tilted outward, and the exhaust holes 14 on the side close to the pressure roller 8 are symmetrically tilted toward the mounting frames 7 on both sides. By tilting the exhaust holes 14 on the inner wall of the U-shaped air guide frame 11 on the side away from the pressure roller 8 outward, the debris that may be adhered to the upper and lower surfaces of the color film can be blown off. By tilting the exhaust holes 14 on the inner wall of the U-shaped air guide frame 11 on the side close to the pressure roller 8 to both sides, it is convenient to flatten the area where the side edges of the color film are raised or folded, thereby improving the overall printing effect of the color film.

[0032] Working principle of the utility model: when in use, the PVC color film to be printed is pulled to one side of the guide rod 55, and then guided from the winding rod 10 on one side to the outer circular wall of the guide slide rod 95, and then guided to the bottom of the pressure roller 8 through the winding rod 10 on the other side, and finally wound to the outer circular wall of the winding shaft 32, and the winding shaft 32 is started by starting the motor 1 33 to realize the winding and conveying of the color film. During the conveying process of the color film, the forward and reverse rotation of the motor 3 92 is controlled, and the distance between the V-shaped calibration blocks 93 on both sides of the screw rod 91 is adjusted, so that the calibration rods 94 on both sides are in contact with the side edges of the conveyed color film, thereby realizing the guiding and calibration of the color film with a large width difference, preventing it from running off, and improving the printing quality of the color film.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modification, equivalent substitution or improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A PVC color film calibration printing device, comprising a printing table (1), wherein the four corners of the bottom of the printing table (1) are provided with support columns (2), characterized in that: A winding assembly (3) is provided on one side of the printing table (1), a printing assembly (4) is provided on one side of the winding assembly (3), a guide assembly (5) is provided on the side of the printing table (1) away from the winding assembly (3), a driving assembly (6) is symmetrically provided on the printing table (1) between the printing assembly (4) and the guide assembly (5), a mounting frame (7) is provided on one side of the driving assembly (6) for lifting, one end of the mounting frame (7) on both sides is located at the top of the printing assembly (4) and is provided with a pressure roller (8) for rotating together, and a calibration assembly (9) is provided on the mounting frame (7) on both sides, which is located on one side of the pressure roller (8).

2. The PVC color film calibration printing device according to claim 1, characterized in that: The winding assembly (3) comprises a winding plate (31) symmetrically arranged on one side of the top of the printing table (1), winding shafts (32) rotatably arranged in the middle of the winding plates (31) on both sides, and a motor (33) having an output shaft fixedly connected to the end of the winding shaft (32) on one side of the winding plate (31).

3. The PVC color film calibration printing device according to claim 1, characterized in that: The printing assembly (4) comprises a printing plate (41) symmetrically arranged on one side of the winding assembly (3), printing rollers (42) rotatably arranged in the middle of the printing plates (41) on both sides, a second motor (43) having an output shaft fixedly connected to the end of the printing roller (42) on one side of the printing plate (41), and an ink cartridge (44) located at the bottom of the printing roller (42) on the printing table (1).

4. The PVC color film calibration printing device according to claim 1, characterized in that: The guide assembly (5) comprises a telescopic box (51) symmetrically arranged on the other side of the printing table (1), a telescopic cavity (52) being arranged in the telescopic box (51), a telescopic rod (53) being arranged in the telescopic cavity (52) for lifting and lowering, the bottom wall of the telescopic cavity (52) being connected to the telescopic rod (53) on the same side via a spring (54), and a guide rod (55) being arranged at the top of the telescopic rod (53) for co-rotation.

5. The PVC color film calibration printing device according to claim 1, characterized in that: The driving assembly (6) comprises a driving frame (61) symmetrically arranged between the printing assembly (4) and the guiding assembly (5); a guide rail (62) is arranged on one side of the driving frame (61); a sliding block (63) is slidably arranged on the guide rail (62) and is fixedly connected to the mounting frame (7); and the driving frames (61) on both sides are provided with electric cylinders (64) whose telescopic ends are fixedly connected to the mounting frame (7) on the same side.

6. The PVC color film calibration printing device according to claim 1, characterized in that: The calibration assembly (9) comprises a screw (91) which is rotatably provided at the top of the mounting frames (7) on both sides, a motor (92) whose output shaft is fixedly connected to the end of the screw (91) on one side of the mounting frame (7), a V-shaped calibration block (93) which is symmetrically threadedly connected to the outer circular wall of the screw (91), calibration rods (94) which are symmetrically rotatable on the V-shaped calibration blocks (93) on both sides facing one side, and guide rods (95) which are rotatably provided at the bottom of the screw (91) on both sides of the mounting frames (7) on both sides.

7. The PVC color film calibration printing device according to claim 6, characterized in that: The mounting frames (7) on both sides are located on both sides of the guide slide rod (95) and are respectively provided with a plurality of winding rods (10); the mounting frames (7) on both sides are located between two adjacent winding rods (10) and are provided with a U-shaped air guide frame (11); an air guide groove (12) is provided in the middle of the U-shaped air guide frame (11); an air inlet (13) is provided on one side of the U-shaped air guide frame (11) penetrating the mounting frame (7) and connected to the air guide groove (12); and a plurality of air exhaust holes (14) are provided on the inner side wall of the U-shaped air guide frame (11) and symmetrically connected to the air guide groove (12).

8. The PVC color film calibration printing device according to claim 7, characterized in that: The exhaust holes (14) on the side away from the pressure roller (8) are arranged to be inclined outwards, and the exhaust holes (14) on the side close to the pressure roller (8) are arranged to be inclined symmetrically towards the mounting frames (7) on both sides.

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