Back printing station of printing unit

Abstract

The utility model relates to the technical field of printing unit equipment, and discloses a printing unit back printing station which comprises a base, a guide rail guide strip is fixedly connected to the bottom of the base, a guide rail filler strip is slidably connected to the inner wall of the bottom of the guide rail guide strip, and a reverse printing seat rear wall plate is fixedly connected to the top of the base. The top of the other side of the base is fixedly connected with a reverse printing seat front wall plate, the inner wall of the reverse printing seat rear wall plate is rotationally connected with a first rotating shaft through a bearing, the outer wall of one end of the first rotating shaft is fixedly connected with a rear pressure adjusting knob, and the inner wall of the reverse printing seat front wall plate is rotationally connected with a second rotating shaft through a bearing; a guide rail filler strip of the back printing unit is aligned to the position of a guide rail guide strip, then the guide rail filler strip is slowly pushed into the back printing unit to a proper position, after a transmission drum gear and a transmission inner gear are meshed at the tooth position, a transverse adjusting knob is adjusted, the back printing unit is adjusted to the middle position, then paper penetrating and pressing printing are conducted, and back printing is achieved.

Description

Technical Field

[0001] This utility model relates to the technical field of printing press equipment, specifically to a back printing station of a printing press. Background Technology

[0002] The back-side printing station is a specific part of a printing press used for printing on the back of paper or other materials. This type of station is common in double-sided printing presses and can complete printing on both sides in one operation.

[0003] The back-side printing station in a printing press typically refers to a setting in a printing press used to print on the back of paper or other materials. This station usually enters the back-side printing stage after the paper has been printed on the front side. The design and configuration of this station are to ensure the accuracy and quality of back-side printing.

[0004] Existing printing presses have some shortcomings. During the printing process, the paper path is relatively long, and the front and back printing units cannot be interchanged, which affects the printing efficiency of the equipment. To address this, we propose a back-side printing station for printing presses. Utility Model Content

[0005] The purpose of this invention is to provide a back-side printing station for a printing press, which solves the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a back-side printing station of a printing press unit, comprising a base, a guide rail fixedly connected to the bottom of the base, a guide rail pad slidably connected to the inner wall of the bottom of the guide rail, a rear wall plate of a reverse printing seat fixedly connected to the top of the base, a front wall plate of a reverse printing seat fixedly connected to the top of the other side of the base, a first rotating shaft rotatably connected to the inner wall of the rear wall plate of the reverse printing seat via a bearing, a rear pressure adjustment knob fixedly connected to the outer wall of one end of the first rotating shaft, and a second... The second rotating shaft has a front pressure adjustment knob fixedly connected to its outer wall. The top of the base has a print head rear wall plate fixedly connected to its top. The bottom side wall of the print head rear wall plate is rotatably connected to a transverse adjustment screw. The other end of the transverse adjustment screw has a transmission drum gear fixedly connected to its outer wall. By setting guide rails and guide rail pads at the bottom of the base, when the equipment is in use, before printing, the operator pushes the printing unit to make the guide rails at the bottom of the printing unit slide along the outer wall of the guide rail pads, thus adjusting the printing unit to the center position.

[0007] Preferably, an ink fountain is fixedly connected to the top side of the rear wall plate of the printing head, and an ink fountain roller is slidably connected to the top of the ink fountain. The outer wall of the ink fountain roller is rotatably connected to the side wall of the rear wall plate of the printing head via a bearing. An anilox roller is slidably connected to the top of the ink fountain roller, and the outer wall of the anilox roller is rotatably connected to the side wall of the rear wall plate of the printing head via a bearing. After adjusting the printing unit to the center position, the operator powers on the printing unit, then adds an appropriate amount of ink to the ink fountain, and places the paper to be printed at the bottom of the ink fountain roller, so that the bottom of the ink fountain roller is in contact with the paper to be printed, and the side wall of the paper to be printed is in contact with the outer wall of the anilox roller in turn. This allows the ink fountain roller and the anilox roller to fully and evenly print on the surface of the paper to be printed during rotation, thereby improving the efficiency of the equipment in printing on the paper surface.

[0008] Preferably, the top of the rear wall plate of the reverse printing seat is fixedly connected to the front wall plate of the printing head, the side wall of the front wall plate of the printing head is rotatably connected to the bottom roller through bearings, the top of the bottom roller is slidably connected to the plate roller, and the outer wall of the end face of the plate roller is rotatably connected to the side wall of the front wall plate of the printing head through bearings. During the printing process, the operator rotates the transmission drum teeth to cause the transverse adjustment screw of the unit to rotate. During the rotation of the transverse adjustment screw of the unit, the front wall plate of the printing head and the rear wall plate of the printing head will be brought closer together, so that the bottom roller and the plate roller can achieve uniform printing on the surface of the paper during the rotation.

[0009] Preferably, the front pressure adjustment knob and the rear pressure adjustment knob are of equal shape and size, and are distributed on both sides of the front wall plate of the print head. By setting the front pressure adjustment knob and the rear pressure adjustment knob on both sides of the front wall plate of the print head, it is convenient to squeeze the surface of the paper by rotating the front pressure adjustment knob and the rear pressure adjustment knob during the printing process, so as to cause the printing roller to squeeze the surface of the paper. This allows the ink to fully adhere to the surface of the paper during the printing process, thereby improving the printing effect.

[0010] Preferably, the bottom of the printing head rear wall plate is fixedly connected to the top of the reverse printing seat front wall plate, the reverse printing seat front wall plate and the reverse printing seat rear wall plate are of equal size, and the reverse printing seat rear wall plate and the reverse printing seat front wall plate are symmetrically distributed along the center plane of the unit's transverse adjusting screw.

[0011] Preferably, the outer wall of the guide rail pad is adapted to the inner wall of the bottom side of the guide rail strip, and the top of the guide rail strip is fixedly connected to the bottom of the base.

[0012] This invention provides a back-side printing station for a printing press. This back-side printing station for a printing press offers the following advantages:

[0013] (1) The back printing station of the printing unit is to align the guide rail pad of the back printing unit with the position of the guide rail, and then slowly push the back printing unit into the appropriate position so that the transmission drum gear and the transmission internal gear are meshed in the right position. Then adjust the horizontal adjustment knob so that the back printing unit is adjusted to the center position, and then paper is threaded and pressed for printing to achieve back printing.

[0014] (2) The printing station on the back of the printing unit has guide rails and guide rail pads installed at the bottom of the base. When the equipment is in use, before printing on paper, the operator pushes the printing unit to make the guide rails at the bottom of the printing unit slide along the outer wall of the guide rail pads, so that the printing unit is adjusted to the center position. After the printing unit is adjusted to the center position, the operator powers on the printing unit, then puts an appropriate amount of ink into the ink fountain, and then places the paper to be printed at the bottom of the ink fountain roller, so that the bottom of the ink fountain roller is in contact with the paper to be printed, and the side wall of the paper to be printed is in contact with the outer wall of the anilox roller in turn. This allows the ink fountain roller and the anilox roller to fully and evenly print on the surface of the paper to be printed during the rotation, thereby improving the efficiency of the equipment in printing on the paper surface. Attached Figure Description

[0015] Figure 1 This is the front view of the present invention;

[0016] Figure 2 This is a side view of the present invention;

[0017] Figure 3 This is a schematic diagram of the working process structure of this utility model;

[0018] Figure 4 This is a side view of the present invention.

[0019] In the diagram: 1. Front wall plate of the print head; 2. Ink fountain; 3. Ink fountain roller; 4. Anilox roller; 5. Bottom roller; 6. Printing cylinder; 7. Rear wall plate of the print head; 8. Front pressure adjustment knob; 9. Rear pressure adjustment knob; 10. Transverse adjustment screw of the unit; 11. Rear wall plate of the reverse printing seat; 12. Front wall plate of the reverse printing seat; 13. Guide rail pad; 14. Guide rail guide bar; 15. Drive drum gear; 16. Base. Detailed Implementation

[0020] To provide a clearer understanding of the technical features, objectives, and effects of this utility model, the specific embodiments of this utility model are now described with reference to the accompanying drawings.

[0021] A preferred embodiment of the back printing station of a printing press provided by this utility model is, for example... Figures 1 to 4 As shown: A printing station for the back of a printing press includes a base 16. A guide rail 14 is fixedly connected to the bottom of the base 16, and a guide rail pad 13 is slidably connected to the inner wall of the bottom of the guide rail 14. A rear wall plate 11 of a reverse printing seat is fixedly connected to the top of the base 16, and a front wall plate 12 of a reverse printing seat is fixedly connected to the top of the other side of the base 16. A first rotating shaft is rotatably connected to the inner wall of the rear wall plate 11 of the reverse printing seat via a bearing. A rear pressure adjustment knob 9 is fixedly connected to the outer wall of one end of the first rotating shaft. A second rotating shaft is rotatably connected to the inner wall of the front wall plate 12 of the reverse printing seat via a bearing, and the outer wall of the second rotating shaft is fixedly connected to... The base 16 is connected to a front pressure adjustment knob 8. The top of the base 16 is fixedly connected to a print head rear wall plate 7. The bottom side wall of the print head rear wall plate 7 is rotatably connected to a transverse adjustment screw 10. The outer wall of the other end of the transverse adjustment screw 10 is fixedly connected to a transmission drum tooth 15. By setting guide rails 14 and guide rail pads 13 at the bottom of the base 16, when the equipment is in use, before printing, the operator pushes the printing unit to make the guide rails 14 at the bottom of the printing unit slide along the outer wall of the guide rail pads 13, so that the printing unit is adjusted to the center position.

[0022] An ink fountain 2 is fixedly connected to the top side of the printing head rear wall plate 7. An ink fountain roller 3 is slidably connected to the top of the ink fountain 2. The outer wall of the end face of the ink fountain roller 3 is rotatably connected to the side wall of the printing head rear wall plate 7 through a bearing. An anilox roller 4 is slidably connected to the top of the ink fountain roller 3. The outer wall of the end face of the anilox roller 4 is rotatably connected to the side wall of the printing head rear wall plate 7 through a bearing. After adjusting the printing unit to the center position, the operator powers on the printing unit, then adds an appropriate amount of ink to the ink fountain 2, and places the paper to be printed at the bottom of the ink fountain roller 3, so that the bottom of the ink fountain roller 3 is in contact with the paper to be printed, and the side wall of the paper to be printed is in contact with the outer wall of the anilox roller 4 in turn. This allows the ink fountain roller 3 and the anilox roller 4 to fully and evenly print on the surface of the paper to be printed during the rotation process, thereby improving the efficiency of the equipment in printing on the paper surface.

[0023] Furthermore, the top of the reverse printing seat rear wall plate 11 is fixedly connected to the front wall plate 1 of the printing head. The side wall of the front wall plate 1 of the printing head is rotatably connected to the bottom roller 5 through bearings. The top of the bottom roller 5 is slidably connected to the plate roller 6. The outer wall of the end face of the plate roller 6 is rotatably connected to the side wall of the front wall plate 1 of the printing head through bearings. During the printing process, the operator rotates the transmission drum tooth 15 to cause the transverse adjusting screw 10 of the unit to rotate. During the rotation of the transverse adjusting screw 10 of the unit, the front wall plate 1 of the printing head and the rear wall plate 7 of the printing head will be brought closer together, so that the bottom roller 5 and the plate roller 6 can achieve uniform printing on the surface of the paper during the rotation.

[0024] Furthermore, the front pressure adjustment knob 8 and the rear pressure adjustment knob 9 are of the same shape and size, and are distributed on both sides of the front wall plate 1 of the print head. By setting the front pressure adjustment knob 8 and the rear pressure adjustment knob 9 on both sides of the front wall plate 1 of the print head, it is convenient to squeeze the surface of the paper by rotating the front pressure adjustment knob 8 and the rear pressure adjustment knob 9 during the printing process. This causes the printing roller 6 to squeeze the surface of the paper, thereby ensuring that the ink can fully adhere to the surface of the paper during the printing process and improving the printing effect.

[0025] Furthermore, the bottom of the printing head rear wall plate 7 is fixedly connected to the top of the reverse printing seat front wall plate 12. The reverse printing seat front wall plate 12 and the reverse printing seat rear wall plate 11 are the same size, and the reverse printing seat rear wall plate 11 and the reverse printing seat front wall plate 12 are symmetrically distributed along the center face of the unit's transverse adjusting screw 10.

[0026] In addition, the outer wall of the guide rail pad 13 is adapted to the inner wall of the bottom side of the guide rail strip 14, and the top of the guide rail strip 14 is fixedly connected to the bottom of the base 16.

[0027] Working principle: When the equipment needs to be used, first align the guide rail pad of the back printing unit with the position of the guide rail, then slowly push the back printing unit into the appropriate position so that the transmission drum gear and the transmission internal gear are properly meshed. Then adjust the horizontal adjustment knob to adjust the back printing unit to the center position, and then perform paper feeding and pressing printing to achieve back printing.

[0028] After adjusting the printing press to the center position, the operator powers on the printing press, then adds an appropriate amount of ink into the ink fountain 2, and places the paper to be printed at the bottom of the ink fountain roller 3, so that the bottom of the ink fountain roller 3 is in contact with the paper to be printed, and the side wall of the paper to be printed is in contact with the outer wall of the anilox roller 4 in turn. This allows the ink fountain roller 3 and the anilox roller 4 to fully and evenly print on the surface of the paper to be printed during the rotation, thereby improving the efficiency of the equipment in printing on the paper surface.

[0029] By setting a front pressure adjustment knob 8 and a rear pressure adjustment knob 9 on both sides of the front wall plate 1 of the print head, it is easy to squeeze the surface of the paper by rotating the front pressure adjustment knob 8 and the rear pressure adjustment knob 9 during the printing process. This causes the printing roller 6 to squeeze the surface of the paper, thereby ensuring that the ink can fully adhere to the surface of the paper during the printing process and improving the printing effect.

[0030] The above description is merely an illustrative embodiment of this utility model and is not intended to limit the scope of this utility model. Any equivalent changes and modifications made by those skilled in the art without departing from the concept and principles of this utility model should fall within the protection scope of this utility model. Furthermore, it should be noted that the components of this utility model are not limited to the overall application described above. Each technical feature described in the specification of this utility model can be used individually or in combination as needed. Therefore, this utility model naturally covers other combinations and specific applications related to this application.

Claims

1. A printing unit backside printing station comprising a base (16), characterized in that: The bottom of the base (16) is fixedly connected with a guide rail guide strip (14), the inner wall of the bottom of the guide rail guide strip (14) is slidably connected with a guide rail pad strip (13), the top of the base (16) is fixedly connected with a back wall plate (11) of the reverse printing seat, the top of the other side of the base (16) is fixedly connected with a front wall plate (12) of the reverse printing seat, the inner wall of the back wall plate (11) of the reverse printing seat is rotatably connected with a first rotating shaft through a bearing, the outer wall of one end of the first rotating shaft is fixedly connected with a rear pressure adjusting knob (9), the inner wall of the front wall plate (12) of the reverse printing seat is rotatably connected with a second rotating shaft through a bearing, the outer wall of the second rotating shaft is fixedly connected with a front pressure adjusting knob (8), the top of the base (16) is fixedly connected with a back wall plate (7) of the printing head, the bottom side wall of the back wall plate (7) of the printing head is rotatably connected with a machine group transverse adjusting screw (10), the outer wall of the other end of the machine group transverse adjusting screw (10) is fixedly connected with a transmission drum tooth (15).

2. A printing unit backside printing station according to claim 1, characterized in that: The top of the side of the back wall plate (7) of the printing head is fixedly connected with an ink fountain (2), the top of the ink fountain (2) is slidably connected with an ink fountain rubber roller (3), the end surface outer wall of the ink fountain rubber roller (3) is rotatably connected with the side wall of the back wall plate (7) of the printing head through a bearing, the top of the ink fountain rubber roller (3) is slidably connected with an anilox roller (4), the end surface outer wall of the anilox roller (4) is rotatably connected with the side wall of the back wall plate (7) of the printing head through a bearing.

3. A printing unit backside printing station according to claim 1, characterized in that: The top of the back wall plate (11) of the reverse printing seat is fixedly connected with a front wall plate (1) of the printing head, the side wall of the front wall plate (1) of the printing head is rotatably connected with a bottom roller (5) through a bearing, the top of the bottom roller (5) is slidably connected with a plate roller (6), the end surface outer wall of the plate roller (6) is rotatably connected with the side wall of the front wall plate (1) of the printing head through a bearing.

4. A printing unit backside printing station according to claim 1, characterized in that: The front pressure adjusting knob (8) and the rear pressure adjusting knob (9) are equal in shape and size, and are distributed on both sides of the front wall plate (1) of the printing head.

5. A printing unit backside printing station according to claim 2, characterized in that: The bottom of the back wall plate (7) of the printing head is fixedly connected with the top of the front wall plate (12) of the reverse printing seat, the front wall plate (12) of the reverse printing seat is equal in size to the back wall plate (11) of the reverse printing seat, and the back wall plate (11) of the reverse printing seat and the front wall plate (12) of the reverse printing seat are symmetrically distributed along the center of the machine group transverse adjusting screw (10).

6. A printing unit backside printing station according to claim 1, characterized in that: The outer wall of the guide rail pad strip (13) is matched with the bottom inner wall of the side of the guide rail guide strip (14), and the top of the guide rail guide strip (14) is fixedly connected with the bottom of the base (16).

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