Printing machine capable of quickly disassembling roller

Abstract

The utility model provides a printing machine with a roller capable of being rapidly detached, and belongs to the field of printing machines. The utility model relates to a rotary drum of a printing machine, in particular to a rotary drum of a printing machine, which solves the problems that the traditional rotary drum of the printing machine is mostly fixed on the printing machine through a shaft rod, the whole shaft rod needs to be detached in the process of detaching and cleaning, time and labor are wasted, and the printing efficiency is influenced, and comprises a printing machine main body, a main gear, a transmission gear, a motor and a plurality of rotary drums. A shaft used for being connected with a printing machine body is arranged in the main gear, a first tooth groove and a second tooth groove which are used for being installed on the printing machine body are formed in the two sides of the roller correspondingly, a sliding groove is formed in the center of the shaft, a sliding rod is arranged in the sliding groove, a cylindrical fixing disc is arranged at one end of the sliding rod, and the cylindrical fixing disc is connected with the roller. A plurality of first fixing parts which are annularly arranged and matched with the first tooth grooves are arranged on the fixing disc, and a second fixing part used for being matched with the second tooth grooves is further arranged in the center of the fixing disc.

Description

A printing press with quick-release cylinders Technical Field

[0001] This utility model belongs to the field of printing presses, and specifically relates to a printing press with a quick-release roller. Background Technology

[0002] A printing press is a machine that prints text and images. During the printing or inking process, the cylinders may become contaminated with various colors, which can contaminate the paper and affect the accuracy of printing. Traditionally, printing press cylinders are fixed to the printing press by shafts. When disassembly and cleaning are required, the entire shaft needs to be removed, which is time-consuming and laborious, thus affecting printing efficiency. Summary of the Invention

[0003] The purpose of this invention is to address the aforementioned problems in the prior art by providing a printing press with a quick-disassembly roller.

[0004] The purpose of this utility model can be achieved through the following technical solution: A printing machine with quick-disassembly rollers, comprising a printing machine body, a main gear, a transmission gear, a motor, and several rollers, characterized in that the main gear is provided with a shaft for connecting to the printing machine body, both sides of the rollers are provided with tooth groove 1 and tooth groove 2 for mounting on the printing machine body, a sliding groove is provided at the center of the shaft, a sliding rod is provided in the sliding groove, a cylindrical fixing plate is provided at one end of the sliding rod, a plurality of fixing parts 1 arranged in a ring and cooperating with tooth groove 1 are provided on the fixing plate, and a fixing part 2 for cooperating with tooth groove 2 is also provided at the center of the fixing plate;

[0005] The fixed plate is provided with several telescopic rods that are opposite to the fixed part. The inner wall of the sliding groove is provided with an annular telescopic groove. Several telescopic rods are located in the telescopic groove. An annular spring groove is provided on one side of the telescopic groove. One end of the telescopic rod extends into the spring groove.

[0006] In the aforementioned printing machine with a quick-release roller, both the telescopic rod and the spring groove are provided with mutually limiting and fixing parts.

[0007] In the aforementioned printing machine with a quick-release roller, a pad for auxiliary support is provided on the sliding rod, and a buffer portion is provided on one end of the pad that can contact the opening of the spring groove.

[0008] In the aforementioned printing machine with a quick-release roller, the telescopic rod is provided with an elastic element one, the two ends of which are respectively connected to a gasket and a spring groove opening. The spring groove is provided with an elastic element two, the two ends of which are respectively connected to a limiting part on the spring groove and the bottom of the spring groove.

[0009] In the aforementioned printing press with a quick-release roller, several of the aforementioned fixing parts are connected to each other in a ring, and each end is provided with an inclined groove.

[0010] In the aforementioned printing machine with a quick-release roller, the fixing part 2 is provided with a plurality of mating parts arranged in a ring and connected to the fixing part 2, and the mating parts are provided with inclined grooves 2.

[0011] In the aforementioned printing press with a quick-release roller, the first toothed groove has the same shape as the first fixing part, and the second toothed groove has the same shape as the second fixing part and the mating part combined together.

[0012] In the aforementioned printing press with a quick-release roller, the sliding rod is provided with a pull ring for moving the sliding rod.

[0013] Compared with existing technologies, this printing press with a quick-release roller achieves rapid disassembly by moving the sliding rod to disengage the fixing part one and fixing part two from the tooth groove one and tooth groove two, thereby quickly disassembling the roller and saving disassembly time. Attached Figure Description

[0014] Figure 1 is a schematic diagram of the main body of this quick-release roller printing press;

[0015] Figure 2 is a cross-sectional view of this printing press with a quick-release roller;

[0016] Figure 3 is a partial view of the printing press with this quick-release roller;

[0017] Figure 4 is a right view of fixing part one and fixing part two.

[0018] In the diagram, 1. Printing press body; 2. Main gear; 3. Transmission gear; 4. Motor; 5. Roller; 6. Shaft; 7. Gear groove one; 8. Gear groove two; 9. Sliding groove; 10. Sliding rod; 11. Fixed plate; 12. Fixed part one; 13. Fixed part two; 14. Telescopic rod; 15. Telescopic groove; 16. Spring groove; 17. Limiting part; 18. Gasket; 19. Buffer part; 20. Elastic element one; 21. Elastic element two; 22. Inclined groove one; 23. Mating part; 24. Inclined groove two; 25. Pull ring. Detailed Implementation

[0019] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0020] As shown in Figures 1, 2, 3, and 4, this quick-release roller printing machine includes a printing machine body 1, a main gear 2, a transmission gear 3, a motor 4, and several rollers 5. The main gear 2 is provided with a shaft 6 for connecting to the printing machine body 1. Both sides of the rollers 5 are provided with tooth grooves 7 and 8 for mounting on the printing machine body 1. A sliding groove 9 is provided at the center of the shaft 6. A sliding rod 10 is provided in the sliding groove 9. A cylindrical fixing plate 11 is provided at one end of the sliding rod 10. Several fixing parts 12 arranged in a ring and cooperating with tooth grooves 7 are provided on the fixing plate 11. A fixing part 2 13 cooperating with tooth grooves 8 is also provided at the center of the fixing plate 11.

[0021] The fixed plate 11 is provided with several telescopic rods 14 that are opposite to the position of the fixed part 12. The inner wall of the sliding groove 9 is provided with an annular telescopic groove 15. The several telescopic rods 14 are located in the telescopic groove 15. An annular spring groove 16 is provided on one side of the telescopic groove 15. One end of the telescopic rod 14 extends into the spring groove 16.

[0022] When the sliding rod 10 moves to both sides, it will simultaneously drive the fixed part 12 and the fixed part 2 13 to move, causing them to disengage from the tooth groove 1 7 and the tooth groove 2 8, thereby completing the disassembly of the roller 5.

[0023] To elaborate further, both the telescopic rod 14 and the spring groove 16 are provided with limiting parts 17 that limit and fix each other to prevent the telescopic rod 14 from disengaging from the spring groove 16.

[0024] To elaborate further, the sliding rod 10 is provided with a pad 18 for auxiliary support, and one end of the pad 18 is provided with a buffer part 19 that can contact the opening of the spring groove 16.

[0025] To elaborate further, the telescopic rod 14 is provided with an elastic element 20. The two ends of the elastic element 20 are connected to the gasket 18 and the groove of the spring groove 16, respectively. The spring groove 16 is provided with an elastic element 21. The two ends of the elastic element 21 are connected to the limiting part 17 on the spring groove 16 and the bottom of the spring groove 16, respectively. After the telescopic rod 14 is inserted into the spring groove 16, the elastic element 20 and the elastic element 21 reset the telescopic rod 14 through their elastic restoring ability, and stop it in a fixed position by being blocked by the limiting part 17. Before the printing press is used, rollers 5 of different lengths will be selected according to the gears of the printing paper, and the printing press body 1 will be fixed in a position suitable for cooperating with the rollers 5.

[0026] To elaborate further, several fixing parts are connected to each other to form a ring, and inclined grooves 22 are provided at both ends to facilitate the engagement of fixing part 12 and tooth groove 7.

[0027] To elaborate further, the fixing part 213 is provided with several mating parts 23 arranged in a ring and connected to the fixing part 213. The mating parts 23 are provided with inclined grooves 24 to facilitate the mating of the fixing part 213 and the toothed grooves 8.

[0028] To elaborate further, the first tooth groove 7 has the same shape as the first fixing part 12, and the second tooth groove 8 has the same shape as the second fixing part 13 and the mating part 23.

[0029] To elaborate further, the sliding rod 10 is provided with a pull ring 25 for moving the sliding rod 10. The pull ring 25 can be easily pulled manually or by other mechanical means.

[0030] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0031] Although this document frequently uses terms such as printing press body 1, main gear 2, transmission gear 3, motor 4, roller 5, shaft 6, tooth groove 1 7, tooth groove 2 8, sliding groove 9, sliding rod 10, fixed plate 11, fixing part 1 12, fixing part 2 13, telescopic rod 14, telescopic groove 15, spring groove 16, limiting part 17, gasket 18, buffer part 19, elastic element 1 20, elastic element 2 21, inclined groove 1 22, mating part 23, inclined groove 2 24, pull ring 25, etc., the possibility of using other terms is not excluded. The use of these terms is merely for the convenience of describing and explaining the essence of this utility model; interpreting them as any additional limitation would contradict the spirit of this utility model.

Claims

1. A printing press with quick-release rollers, comprising a printing press body (1), a main gear (2), a transmission gear (3), a motor (4), and a plurality of rollers (5), characterized in that, The main gear (2) is provided with a shaft (6) for connecting to the printing press body (1). The roller (5) is provided with a tooth groove 1 (7) and a tooth groove 2 (8) on both sides for mounting on the printing press body (1). A sliding groove (9) is provided at the center of the shaft (6). A sliding rod (10) is provided in the sliding groove (9). A cylindrical fixing plate (11) is provided at one end of the sliding rod (10). The fixing plate (11) is provided with a number of fixing parts arranged in a ring and cooperating with the tooth groove 1 (7). In the first (12), a fixing part two (13) for cooperating with the tooth groove two (8) is also provided at the center of the fixing plate (11); a number of telescopic rods (14) are provided on the fixing plate (11) opposite to the position of the fixing part one (12); an annular telescopic groove (15) is provided on the inner wall of the sliding groove (9); a number of the telescopic rods (14) are located in the telescopic groove (15); an annular spring groove (16) is provided on one side of the telescopic groove (15); one end of the telescopic rod (14) extends into the spring groove (16).

2. A printing press with a quick-release roller according to claim 1, characterized in that, Both the telescopic rod (14) and the spring groove (16) are provided with limiting parts (17) that limit and fix each other.

3. A printing press with a quick-release roller according to claim 1, characterized in that, The sliding rod (10) is provided with a pad (18) for auxiliary support, and one end of the pad (18) is provided with a buffer part (19) that can contact the opening of the spring groove (16).

4. A printing press with a quick-release roller according to claim 1, characterized in that, The telescopic rod (14) is provided with an elastic element one (20), the two ends of the elastic element one (20) are respectively connected to the gasket (18) and the groove of the spring groove (16), and the spring groove (16) is provided with an elastic element two (21), the two ends of the elastic element two (21) are respectively connected to the limiting part (17) on the spring groove (16) and the bottom of the spring groove (16).

5. A printing press with a quick-release roller according to claim 1, characterized in that, Several of the aforementioned fixing parts are connected to each other to form a ring, and each end is provided with an inclined groove (22).

6. A printing press with a quick-release roller according to claim 1, characterized in that, The fixing part 2 (13) is provided with a plurality of mating parts (23) arranged in a ring and connected to the fixing part 2 (13), and the mating parts (23) are provided with inclined grooves 2 (24).

7. A printing press with a quick-release roller according to claim 6, characterized in that, The first tooth groove (7) has the same shape as the first fixing part (12), and the second tooth groove (8) has the same shape as the second fixing part (13) and the mating part (23).

8. A printing press with a quick-release roller according to claim 1, characterized in that, The sliding rod (10) is provided with a pull ring (25) for moving the sliding rod (10).

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