阅读说明：本技术 一种印刷机械用印刷辊冷却装置 (Printing roller cooling device for printing machinery ) 是由 全晓宁 于 2019-09-01 设计创作，主要内容包括：本发明涉及印刷机技术领域,具体揭示了一种印刷机械用印刷辊冷却装置,包括印刷机,印刷机顶部的左右两侧之间转动连接有印刷辊,印刷辊的内部开设有空腔,空腔的内壁等距离固定连接有散热片,空腔内部的中央固定连接有螺旋水冷管,印刷辊左侧的中心固定连接有第一管道,第一管道内部的中央分别固定连接有进水管和出水管,印刷机的左右两侧均活动连接有除尘网,印刷机的左右两侧均固定连接有连接槽,连接槽与除尘网的连接处固定连接有密封圈；本发明通过在印刷辊内部开设空腔,配合在空腔中安装散热片,以及散热片固定连接在印刷辊的内壁,增加了印刷辊的散热面积,提高了印刷辊的冷却效率。(The invention relates to the technical field of printing machines, and particularly discloses a printing roller cooling device for a printing machine, which comprises a printing machine, wherein a printing roller is rotatably connected between the left side and the right side of the top of the printing machine, a cavity is formed in the printing roller, radiating fins are fixedly connected to the inner wall of the cavity at equal intervals, a spiral water-cooling pipe is fixedly connected to the center of the interior of the cavity, a first pipeline is fixedly connected to the center of the left side of the printing roller, a water inlet pipe and a water outlet pipe are respectively and fixedly connected to the center of the interior of the first pipeline, a dust removal net is movably connected to the left side and the right side of the printing machine, connecting grooves are; according to the invention, the cavity is formed in the printing roller, the radiating fins are arranged in the cavity in a matching manner, and the radiating fins are fixedly connected to the inner wall of the printing roller, so that the radiating area of the printing roller is increased, and the cooling efficiency of the printing roller is improved.)

1. A printing roller cooling device for printing machinery comprises a printing machine (1), and is characterized in that: the printing roller is characterized in that a printing roller (2) is rotatably connected between the left side and the right side of the top of the printing machine (1), a cavity (3) is formed in the printing roller (2), radiating fins (4) are fixedly connected to the inner wall of the cavity (3) at equal intervals, a spiral water cooling pipe (5) is fixedly connected to the center of the interior of the cavity (3), a first pipeline (6) is fixedly connected to the left center of the printing roller (2), a water inlet pipe (7) and a water outlet pipe (8) are respectively fixedly connected to the center of the interior of the first pipeline (6), a dust removal net (9) is movably connected to the left side and the right side of the printing machine (1), a connecting groove (11) is fixedly connected to the left side and the right side of the printing machine (1), a sealing ring (10) is fixedly connected to the connecting position of the connecting groove (11) and the dust removal, cistern (13) have been seted up to the left inner wall of printing machine (1), central fixedly connected with water pump (14) of cistern (13) bottom, the one end fixedly connected with second pipeline (15) of first pipeline (6) are kept away from in printing roller (2), printing machine (1) left and right sides is inside and is close to central fixedly connected with sleeve (16) at top, the internally mounted of second pipeline (15) has fan (17), the outer fixed surface of cistern (13) is connected with waterproof rubber (18).

2. A printing roller cooling device for a printing machine according to claim 1, wherein: the spiral water-cooling pipe (5) is of a spiral surrounding structure and is not contacted with the inner wall of the cavity (3), and the water outlet pipe (8) is communicated with the reservoir (13).

3. A printing roller cooling device for a printing machine according to claim 1, wherein: the dust removal net (9) is of a cylindrical structure and is divided into three different layers of net structures, and the three layers of net structures of the dust removal net (9) are arranged from outside to inside according to the size of isolated dust.

4. A printing roller cooling device for a printing machine according to claim 1, wherein: the radiating fin (4) is of a circular ring structure, and four rows of circular radiating holes are formed in the right side of the radiating fin (4) at equal intervals around the circumference by taking the circular ring as the center.

5. A printing roller cooling device for a printing machine according to claim 1, wherein: the connecting groove (11) is of a cylindrical structure, and the first pipeline (6) and the second pipeline (15) are respectively positioned inside the two dust removing nets (9).

6. A printing roller cooling device for a printing machine according to claim 1, wherein: the first pipeline (6) and the second pipeline (15) are through holes, and the water pump (14) is an HSP11070X type micro water pump.

7. a printing roller cooling device for a printing machine according to claim 1, wherein: the sealing ring (10) is of a circular ring structure, and the sealing ring (10) is tightly attached to the inner wall of the connecting groove (11).

8. A printing roller cooling device for a printing machine according to claim 1, wherein: the waterproof rubber (18) is adhered to the outer surface of the water storage tank (13), and the positions of the water inlet pipe (7) and the water outlet pipe (8) connected with the water storage tank (13) are sealed by waterproof adhesives.

Technical Field

The invention relates to the technical field of printing machines, in particular to a printing roller cooling device for a printing machine.

Background

The printing machine is a machine for printing characters and images, the modern printing machine generally comprises mechanisms such as plate loading, inking, stamping, paper conveying and the like, and the working principle of the modern printing machine is as follows: the characters and images to be printed are made into printing plate, then it is mounted on the printing machine, then the ink is coated on the place where the characters and images are placed on the printing plate by hand or printing machine, then it is directly or indirectly transferred on the paper or other printing material, such as textile, metal plate, plastics, leather, wood plate, glass and ceramic so as to reproduce the printed matter identical to printing plate.

during the printing process, some residual impurities are accumulated on the rubber surface of the rubber roller, and some residues can be cleaned by water or solvent, but a small amount of impurities still remain at the bottom of the micropores on the rubber surface. The residues are accumulated in the holes for a long time, and the surface of the rubber roller finally loses microporosity and is glazed under the action of printing pressure and heat.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a printing roller cooling device for a printing machine, which has the advantages of high cooling efficiency and the like and solves the problem of low cooling efficiency of a cooling fan.

A printing roller cooling device for printing machinery comprises a printing machine, wherein a printing roller is rotatably connected between the left side and the right side of the top of the printing machine, a cavity is formed in the printing roller, radiating fins are fixedly connected to the inner wall of the cavity at equal intervals, a spiral water-cooling pipe is fixedly connected to the center in the cavity, a first pipeline is fixedly connected to the center of the left side of the printing roller, a water inlet pipe and a water outlet pipe are respectively and fixedly connected to the center in the first pipeline, a dust removal net is movably connected to the left side and the right side of the printing machine, connecting grooves are fixedly connected to the left side and the right side of the printing machine, a sealing ring is fixedly connected to the connecting positions of the connecting grooves and the dust removal net, buckles are fixedly connected to the top and the bottom of the right side of, the one end fixedly connected with second pipeline that first pipeline was kept away from to the printing roller, the inside central authorities fixedly connected with sleeve that just is close to the top in the printing machine left and right sides, the internally mounted of second pipeline has the fan, the outer fixed surface of cistern is connected with waterproof rubber.

According to the device for cooling the printing roller for the printing machinery, the spiral water-cooling pipe is of a spiral surrounding structure and is not in contact with the inner wall of the cavity, and the water outlet pipe is communicated with the water storage tank.

According to the printing roller cooling device for the printing machinery, the dust removal net is of a cylindrical structure and is divided into three different net structures, and the three net structures of the dust removal net are arranged from outside to inside according to the size of isolated dust.

According to the printing roller cooling device for the printing machinery, the radiating fin is of a circular ring structure, and four rows of circular radiating holes are formed in the right side of the radiating fin at equal intervals around the circumference by taking the circular ring as the center.

According to the printing roller cooling device for the printing machinery, the connecting groove is of a cylindrical structure, and the dust removing net completely covers the first pipeline and the second pipeline.

according to the device for cooling the printing roller for the printing machinery, the first pipeline and the second pipeline are through holes, and the water pump is an HSP11070X type micro water pump.

According to the cooling device for the printing roller of the printing machinery, the sealing ring is of a circular ring structure, and the sealing ring is tightly attached to the inner wall of the connecting groove.

According to the printing roller cooling device for the printing machinery, the waterproof rubber is adhered to the outer surface of the water storage tank, and the positions where the water inlet pipe and the water outlet pipe are connected with the water storage tank are sealed by the waterproof adhesive.

Compared with the prior art, the invention has the following beneficial effects:

1. According to the invention, the cavity is formed in the printing roller, the radiating fins are installed in the cavity in a matching manner, and the radiating fins are fixedly connected to the inner wall of the printing roller, so that the radiating area of the printing roller is increased, the cooling efficiency of the printing roller is improved, the radiating efficiency of the printing roller is further increased by forming the circular radiating holes in the radiating fins, the cooling efficiency of the printing roller is increased by installing the spiral water-cooling pipe in the center of the cavity, the printing quality of the printing machine is improved, the heat in the cavity is favorably discharged by the fan arranged in the second pipeline, the device is simple in structure, and the winding of the water inlet pipe cannot occur.

2. According to the invention, the left side and the right side of the printing machine are movably connected with the dust removal net, so that dust in air can be prevented from entering the cavity, the dust is prevented from being attached to the radiating fins and the spiral water-cooling pipe, the radiating efficiency of the printing roller is improved, the air is prevented from entering the cavity from the buckle connection part through the sealing ring at the bottom of the dust removal net, water in the reservoir is prevented from leaking through the waterproof rubber adhered to the outer surface of the reservoir, the sleeves are fixedly connected to the left side and the right side of the printing machine, the connection stability is favorably ensured, and the purpose of improving the cooling efficiency of the printing roller of the printing machine is.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic structural view in elevation and section in accordance with the present invention;

FIG. 2 is a side view of the heat sink of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1;

FIG. 4 is a schematic top view of the printer of the present invention.

In the figure: 1. a printing press; 2. a printing roller; 3. a cavity; 4. a heat sink; 5. a spiral water-cooled tube; 6. a first conduit; 7. a water inlet pipe; 8. a water outlet pipe; 9. a dust removal net; 10. a seal ring; 11. connecting grooves; 12. buckling; 13. a reservoir; 14. a water pump; 15. a second conduit; 16. a sleeve; 17. a fan; 18. waterproof rubber.

Detailed Description

In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-4, a printing roller cooling device for a printing machine comprises a printing machine 1, a printing roller 2 is rotatably connected between the left side and the right side of the top of the printing machine 1, a cavity 3 is formed inside the printing roller 2, cooling fins 4 are fixedly connected to the inner wall of the cavity 3 at equal intervals, a spiral water-cooling tube 5 is fixedly connected to the center inside the cavity 3, a first pipeline 6 is fixedly connected to the center of the left side of the printing roller 2, a water inlet pipe 7 and a water outlet pipe 8 are respectively fixedly connected to the center inside of the first pipeline 6, a dust removing net 9 is movably connected to the left side and the right side of the printing machine 1, connecting grooves 11 are fixedly connected to the left side and the right side of the printing machine 1, a sealing ring 10 is fixedly connected to the connection part of the connecting grooves 11 and the dust removing net 9, the central fixedly connected with water pump 14 of cistern 13 bottom, the one end fixedly connected with second pipeline 15 that first pipeline 6 was kept away from to printing roller 2, the inside central fixedly connected with sleeve 16 that just is close to the top in the left and right sides of printing machine 1, the internally mounted of second pipeline 15 has fan 17, a power of fan 17 and printing machine 1 sharing, the fixed surface of cistern 13 is connected with waterproof rubber 18.

Spiral water-cooled tube 5 is spiral and encircles the structure and not contact with the inner wall of cavity 3, and outlet pipe 8 communicates with each other with cistern 13, and this structure utilizes spiral water-cooled tube 5, has increased the cooling efficiency of printing roller 2, has improved the printing quality of printing machine 1.

The dust removal net 9 is cylindrical structure and is divided into three-layer different network structure, and the three-layer network structure of the dust removal net 9 is arranged from outside to inside according to the size of isolating dust, and the structure utilizes the dust removal net 9, can prevent dust in the air from entering into the cavity 3, avoids the dust to attach to the radiating fins 4 and the spiral water-cooling tube 5, and improves the heat radiation efficiency of the printing roller 2.

The radiating fin 4 is a circular ring structure, four rows of circular radiating holes are formed in the right side of the radiating fin 4 at equal intervals around the circumference by taking the circular ring as the center, the radiating area of the printing roller 2 is increased by the radiating fin 4, and the cooling efficiency of the printing roller 2 is improved.

The connecting groove 11 is of a cylindrical structure, the dust removal net 9 completely covers the first pipeline 6 and the second pipeline 15, the connecting groove 11 is utilized by the structure, the connecting strength of the dust removal net 9 and the printing machine 1 is enhanced, and the air tightness of the printing machine 1 is improved.

the first pipeline 6 and the second pipeline 15 are through holes, the water pump 14 is an HSP11070X type micro water pump, and the structure utilizes the first pipeline 6 and the second pipeline 15 to enable heat in the printing roller 2 to be discharged more easily, and cooling efficiency of the printing roller 2 is improved.

Sealing washer 10 is the ring structure, and sealing washer 10 closely laminates with the inner wall of spread groove 11, and this structure utilizes sealing washer 10, prevents that the air from getting into inside cavity 3 from buckle 12 junction, has improved the gas tightness of printing machine 1.

The waterproof rubber 18 is adhered to the outer surface of the reservoir 13, the positions where the water inlet pipe 7 and the water outlet pipe 8 are connected with the reservoir 13 are sealed by using a waterproof adhesive, and the structure prevents water in the reservoir 13 from leaking out by using the waterproof rubber 18, so that the safety of the printing machine 1 is improved.

When the invention is used, firstly, a worker fills the reservoir 13 with water, checks whether the dust removal net 9 needs to be replaced due to excessive dust, if the dust removal net 9 needs to be replaced, the old dust removal net 9 is taken down, the new dust removal net 9 is clamped into the connecting groove 11, the buckle 12 on the inner wall of the connecting groove 11 locks the dust removal net 9, the sealing ring 10 at the bottom of the dust removal net 9 is tightly contacted with the inner wall of the connecting groove 11 to achieve the sealing effect, then the switch of the printing machine 1 is opened to electrify the printing machine 1, the water pump 14 operates to convey the water in the reservoir 13 to the water inlet pipe 7, the water inlet pipe 7 passes through the first pipeline 6, then the water flow enters the spiral water-cooling pipe 5 through the water inlet pipe 7, the water flow in the spiral water-cooling pipe 5 flows at high speed to absorb the heat in the cavity 3, then the water flow in the spiral water-cooling pipe 5 flows into the water outlet pipe, meanwhile, the heat on the printing roller 2 is transferred to the radiating fins 4, and then the fan 17 rotates to bring the heat generated in the cavity 3 to the outside of the printing roller 2 through the air flow, so that the cooling efficiency of the printing roller 2 can be increased, and the printing quality of the printing machine 1 is improved.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.