Automatic label printing unit

Abstract

The utility model discloses an automatic label printing unit, which relates to the field of label printing machines and comprises a cover plate arranged on the upper side of a main body and two groups of lifting frame plates, clamping shaft rods are clamped on the inner sides of the two groups of lifting frame plates, and movable rollers are sleeved on the outer sides of the two groups of clamping shaft rods. First connecting blocks and second connecting blocks are fixedly connected to the two ends of the lifting frame plate correspondingly, a first moving plate is fixedly connected between the two first connecting blocks, first sliding openings are formed in the positions, close to the two sides, of the front side face of the main body in a penetrating mode, and second sliding openings are formed in the positions, close to the two sides, of the rear side face of the main body in a penetrating mode; a vertical groove shell is fixedly connected to the middle of the front side face of the body. The label paper tensioning device has the advantages that the function of tensioning and adjusting the label paper is achieved, stable printing of the label paper is guaranteed, the label printing efficiency is improved, limited printing can be conducted on the label paper with different widths, good applicability is achieved, and the label printing stability is improved.

Description

Technical Field

[0001] The utility model relates to the field of label printing machines, in particular to an automatic label printing machine group. Background Art

[0002] A label printing unit is a device used to produce various types of labels. It has a wide range of applications and can be used to produce various types of labels, including product labels, packaging labels, barcode labels, and price tags. Its main function is to print text, images, barcodes, and other information on various types of materials for easy product identification, packaging, and tracking.

[0003] After searching, the patent number is CN215243865U, which discloses a printing unit for automatic label printing. A drying mechanism is set on the printer frame to increase its actual use effect, and the drying mechanism has the function of filtering impurities in the air and facilitating disassembly and maintenance. It can not only dry and protect the printed labels, but also facilitate subsequent disassembly, cleaning and replacement. It is worthy of promotion and use in the existing market. However, when the existing automatic label printing unit is in use, the label paper conveyed therein is prone to loosening, which makes the printing roller unable to stably print the label paper, thereby reducing the label printing efficiency. Utility Model Content

[0004] The technical problem to be solved by the present invention is to provide an automatic label printing unit. When the existing automatic label printing unit is in use, the label paper conveyed therein is prone to become loose, so that the printing roller cannot stably print the label paper, thereby reducing the label printing efficiency.

[0005] In order to solve the above technical problems, the technical solution of the present invention is an automatic label printing unit, including a cover plate arranged on the upper side of a main body, and also including two groups of lifting frame plates, the inner sides of the two groups of lifting frame plates are clamped with a clamping shaft rod, and the outer sides of the two groups of the clamping shaft rods are sleeved with movable rollers, the two ends of the lifting frame plates are respectively fixedly connected with a first connecting block and a second connecting block, and a first movable plate is fixedly connected between the two groups of the first connecting blocks, the front side surface of the main body is penetrated by a first sliding opening near both sides, and the rear side surface of the main body is penetrated by a second sliding opening near both sides.

[0006] As a further solution of the present invention: a vertical slot shell is fixedly connected to the middle position of the front side of the main body, a first motor is fixedly installed at the lower end of the vertical slot shell, and an output end of the first motor is fixedly connected to a first threaded shaft that passes through the vertical slot shell.

[0007] As a further solution of the present invention: a first screw hole is provided through the middle of the first movable plate, and the first movable plate is threadedly connected to the first threaded shaft through the first screw hole.

[0008] As a further solution of the present invention: the two groups of the first connecting blocks are respectively located on the inner sides of the two groups of the first sliding openings, the two groups of the second connecting blocks are respectively located on the inner sides of the two groups of the second sliding openings, and the cross-sectional shapes of the two groups of the lifting frame plates are both U-shaped.

[0009] As a further solution of the present invention: a printing roller and an intermediate guide roller are provided near the middle position of the inner top of the main body, and the intermediate guide roller is located directly below the printing roller, and the two groups of movable rollers are symmetrically arranged about the intermediate guide roller.

[0010] As a further solution of the present invention: a feed port and a discharge port are respectively provided on the top of both sides of the main body, and two sets of side guide rollers are rotatably installed on the inner sides of the feed port and the discharge port, a transverse groove shell is fixedly installed in the middle position of the upper surface of the cover plate, a second threaded shaft is provided through the transverse groove shell, and two sets of second movable plates are sleeved on the outer side of the second threaded shaft, and both ends of the second movable plate are fixedly connected to the limiting plate.

[0011] As a further solution of the present invention: a second motor is fixedly mounted on the outer end of the transverse groove shell, and a second threaded shaft is fixedly connected to the output end of the second motor, and a symmetrical threaded section is provided on the outer side surface of the second threaded shaft.

[0012] As a further solution of the present invention: a second screw hole is opened through the middle position of the two groups of the second movable plates, and the two groups of the second movable plates are threadedly connected to the second threaded shaft through the second screw holes respectively. The shape of the limit plate is L-shaped, and one end of the limit plate is located between the two groups of side guide rollers.

[0013] Compared with the prior art, the beneficial effects of the present invention are: by starting the first motor at the lower end of the vertical slot shell to drive the first threaded shaft to rotate, the first movable plate is driven to rise and fall along the inner side of the vertical slot shell with the cooperation of the first screw hole, and then the two groups of first connecting blocks and two groups of first sliding openings cooperate with the two groups of second connecting blocks and two groups of second sliding openings to drive the two groups of lifting frame plates to rise and fall together, and the movable rollers on the outside of the two groups of card shaft rods cooperate with the middle guide roller to tighten the label paper, thereby realizing the tensioning adjustment function of the label paper, thereby ensuring the stable printing of the label paper and improving the label printing efficiency.

[0014] Compared with the prior art, the beneficial effect of the present invention is: by starting the second motor at one end of the transverse groove shell to drive the second threaded shaft to rotate, the two groups of second movable plates are driven to move relative to each other along the inner side of the transverse groove shell with the cooperation of the symmetrical threaded section and the second screw hole, and then the four groups of limiting plates are respectively moved relative to each other inside the feed port and the discharge port, which can limit the printing of label paper of different widths, has good applicability, and improves the stability of label printing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of an automatic label printing unit in an embodiment of the present utility model;

[0016] Figure 2 This is a schematic diagram of the connection structure of the connecting frame plate in an embodiment of the present utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of the main body in the embodiment of the present utility model;

[0018] Figure 4 Schematic diagram of the connection structure of the second movable plate in an embodiment of the present utility model.

[0019] In the figure: 1. Main body; 2. Cover plate; 3. Vertical groove shell; 4. First motor; 5. First threaded shaft; 6. First movable plate; 7. First connecting block; 8. Lifting frame plate; 9. Second connecting block; 10. First slide; 11. Second slide; 12. Clamping shaft rod; 13. Movable roller; 14. Printing roller; 15. Middle guide roller; 16. Feed port; 17. Discharge port; 18. Side guide roller; 19. Horizontal groove shell; 20. Second motor; 21. Second threaded shaft; 22. Second movable plate; 23. Limit plate. DETAILED DESCRIPTION

[0020] The following further describes specific embodiments of the present invention in conjunction with the accompanying drawings. It should be noted that the descriptions of these embodiments are intended to aid understanding of the present invention and do not constitute limitations on the present invention. Furthermore, the technical features involved in the various embodiments of the present invention described below may be combined with one another as long as they do not conflict with one another.

[0021] Example 1, please refer to Figures 1-4 , an automatic label printing unit, including a cover plate 2 arranged on the upper side of a main body 1, and also including two groups of lifting frame plates 8, the inner sides of the two groups of lifting frame plates 8 are clamped with a card shaft rod 12, and the outer sides of the two groups of card shaft rods 12 are sleeved with movable rollers 13, the two ends of the lifting frame plate 8 are respectively fixedly connected with a first connecting block 7 and a second connecting block 9, and a first movable plate 6 is fixedly connected between the two groups of first connecting blocks 7. The front side surface of the main body 1 is penetrated by a first sliding opening 10 near both sides, and the rear side surface of the main body 1 is penetrated by a second sliding opening 11 near both sides.

[0022] A vertical slot shell 3 is fixedly connected to the middle position of the front side surface of the main body 1, a first motor 4 is fixedly installed at the lower end of the vertical slot shell 3, an output end of the first motor 4 is fixedly connected to a first threaded shaft 5 that passes through the vertical slot shell 3, a first screw hole is opened through the middle position of the first movable plate 6, and the first movable plate 6 is threadedly connected to the first threaded shaft 5 through the first screw hole.

[0023] In this embodiment, the first threaded shaft 5 is threadedly connected to the first movable plate 6 so as to facilitate the lifting of the first movable plate 6 .

[0024] The two groups of first connecting blocks 7 are respectively located on the inner sides of the two groups of first sliding openings 10 , and the two groups of second connecting blocks 9 are respectively located on the inner sides of the two groups of second sliding openings 11 . The cross-sections of the two groups of lifting frame plates 8 are both U-shaped.

[0025] In this embodiment, the first connecting block 7 and the first sliding opening 10 cooperate with the second connecting block 9 and the second sliding opening 11 to facilitate the lifting of the lifting frame plate 8 .

[0026] A printing roller 14 and an intermediate guide roller 15 are provided near the middle of the inner top of the main body 1 , and the intermediate guide roller 15 is located directly below the printing roller 14 . The two sets of movable rollers 13 are symmetrically arranged about the intermediate guide roller 15 .

[0027] In this embodiment, the label paper is tensioned and adjusted by the middle guide roller 15 and the two groups of movable rollers 13 .

[0028] Specifically, by starting the first motor 4 at the lower end of the vertical slot shell 3 to drive the first threaded shaft 5 to rotate, the first movable plate 6 is driven to rise and fall along the inner side of the vertical slot shell 3 with the cooperation of the first screw hole, and then the two groups of first connecting blocks 7 and two groups of first sliding openings 10 cooperate with the two groups of second connecting blocks 9 and two groups of second sliding openings 11 to drive the two groups of lifting frame plates 8 to rise and fall together, and the movable rollers 13 on the outside of the two groups of clamping shaft rods 12 cooperate with the middle guide roller 15 to tighten the label paper, thereby realizing the tensioning adjustment function of the label paper, thereby ensuring the stable printing of the label paper and improving the label printing efficiency.

[0029] Example 2, please refer to Figures 1-4 , an automatic label printing unit, a feed port 16 and a discharge port 17 are respectively opened on the top of both sides of the main body 1, and two sets of side guide rollers 18 are rotatably installed on the inner sides of the feed port 16 and the discharge port 17, a transverse groove shell 19 is fixedly installed in the middle position of the upper surface of the cover plate 2, a second threaded shaft 21 is penetrated on the transverse groove shell 19, and two sets of second movable plates 22 are sleeved on the outer side of the second threaded shaft 21, and both ends of the second movable plate 22 are fixedly connected to the limit plate 23.

[0030] A second motor 20 is fixedly installed on the outer end of the transverse groove shell 19, and the second threaded shaft 21 is fixedly connected to the output end of the second motor 20. The outer side surface of the second threaded shaft 21 is provided with symmetrical threaded sections. Second screw holes are opened through the middle positions of the two groups of second movable plates 22, and the two groups of second movable plates 22 are threadedly connected to the second threaded shaft 21 through the second screw holes respectively. The limit plate 23 is L-shaped, and one end of the limit plate 23 is located between the two groups of side guide rollers 18.

[0031] In this embodiment, the second movable plates 22 are threadedly connected to the second threaded shaft 21 to facilitate relative movement of the two sets of second movable plates 22 .

[0032] Specifically, by starting the second motor 20 at one end of the transverse groove shell 19 to drive the second threaded shaft 21 to rotate, the two groups of second movable plates 22 are driven to move relative to each other along the inner side of the transverse groove shell 19 with the cooperation of the symmetrical threaded segments and the second screw holes, and then the four groups of limiting plates 23 are respectively moved relative to each other inside the feed port 16 and the discharge port 17, which can limit the printing of label paper of different widths, has good applicability, and improves the stability of label printing.

[0033] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It is apparent to those skilled in the art that various changes, modifications, substitutions, and variations to these embodiments may be made without departing from the principles and spirit of the present invention, and these changes and modifications still fall within the scope of protection of the present invention.

Claims

1. An automated label printing unit, comprising a cover plate (2) disposed on the upper side of a main body (1), characterized in that: The invention also includes two groups of lifting frame plates (8), the inner sides of the two groups of lifting frame plates (8) are clamped with a clamping shaft rod (12), the outer sides of the two groups of clamping shaft rods (12) are sleeved with a movable roller (13), the two ends of the lifting frame plates (8) are respectively fixedly connected with a first connecting block (7) and a second connecting block (9), a first movable plate (6) is fixedly connected between the two groups of the first connecting blocks (7), the front side surface of the main body (1) is penetrated by a first sliding opening (10) near both sides, and the rear side surface of the main body (1) is penetrated by a second sliding opening (11) near both sides.

2. The automatic label printing unit according to claim 1, characterized in that: A vertical slot shell (3) is fixedly connected to the middle position of the front side of the main body (1), a first motor (4) is fixedly installed at the lower end of the vertical slot shell (3), and an output end of the first motor (4) is fixedly connected to a first threaded shaft (5) that passes through the vertical slot shell (3).

3. The automatic label printing unit according to claim 2, characterized in that: A first screw hole is provided through the middle of the first movable plate (6), and the first movable plate (6) is threadedly connected to the first threaded shaft (5) through the first screw hole.

4. The automatic label printing unit according to claim 1, characterized in that: The two groups of the first connecting blocks (7) are respectively located on the inner sides of the two groups of the first sliding openings (10), and the two groups of the second connecting blocks (9) are respectively located on the inner sides of the two groups of the second sliding openings (11). The cross-sectional shapes of the two groups of the lifting frame plates (8) are both U-shaped.

5. The automatic label printing unit according to claim 1, characterized in that: A printing roller (14) and an intermediate guide roller (15) are provided near the middle of the inner top of the main body (1), and the intermediate guide roller (15) is located directly below the printing roller (14). The two groups of movable rollers (13) are symmetrically arranged about the intermediate guide roller (15).

6. The automatic label printing unit according to claim 1, characterized in that: A feed port (16) and a discharge port (17) are respectively provided on the top of both sides of the main body (1), and two groups of side guide rollers (18) are rotatably installed on the inner sides of the feed port (16) and the discharge port (17). A transverse groove shell (19) is fixedly installed at the middle position of the upper surface of the cover plate (2), and a second threaded shaft (21) is provided on the transverse groove shell (19). Two groups of second movable plates (22) are sleeved on the outer side of the second threaded shaft (21), and both ends of the second movable plate (22) are fixedly connected to the limiting plate (23).

7. The automatic label printing unit according to claim 6, characterized in that: A second motor (20) is fixedly mounted on the outer end of the transverse groove housing (19), and a second threaded shaft (21) is fixedly connected to the output end of the second motor (20), and a symmetrical threaded section is provided on the outer side surface of the second threaded shaft (21).

8. The automatic label printing unit according to claim 7, characterized in that: A second screw hole is provided through the middle positions of the two groups of the second movable plates (22), and the two groups of the second movable plates (22) are respectively threadedly connected to the second threaded shaft (21) through the second screw holes. The shape of the limiting plate (23) is L-shaped, and one end of the limiting plate (23) is located between the two groups of side guide rollers (18).

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