CN212124497U - Cooling guide roller of printing machine and printing machine - Google Patents
Cooling guide roller of printing machine and printing machine Download PDFInfo
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- CN212124497U CN212124497U CN202020549535.5U CN202020549535U CN212124497U CN 212124497 U CN212124497 U CN 212124497U CN 202020549535 U CN202020549535 U CN 202020549535U CN 212124497 U CN212124497 U CN 212124497U
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Abstract
The utility model provides a printing machine cooling guide roller and a printing machine, wherein the printing machine cooling guide roller comprises a cylindrical barrel body, the two axial ends of the barrel body are both provided with connecting parts, the barrel body is rotatably connected on two wallboards of the printing machine through the two connecting parts, and printed matters entering the printing machine can bypass the barrel body and are laminated on the surface of the barrel body so as to drive the barrel body to rotate through the friction with the barrel body; the cooling cavity is arranged in the cylinder, the liquid inlet channel and the liquid outlet channel which can enable the cooling cavity to be communicated with the outside are arranged on the end side of the cylinder, external refrigerants can enter the cooling cavity through the liquid inlet channel, and the refrigerants entering the cooling cavity are discharged out of the cylinder through the liquid outlet channel after heat exchange with printed matters attached to the surface of the cylinder. The utility model has the advantages of reasonable in design, simple structure can cool off the printed matter that is heated, prevents that the printed matter from lax, has guaranteed the printing effect.
Description
Technical Field
The utility model relates to a lithography apparatus technical field, in particular to printing machine cooling deflector roll and printing machine.
Background
With the continuous progress of scientific technology and the continuous improvement of productivity level, the application of the printing machine in industrial production and people's life is more and more extensive. At present, in order to prevent the ink marks from being stained in the process of printing the printed matter, the printing machine quickly dries the ink marks on the printed matter after printing by adopting a drying device.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a reasonable in design, simple structure's printing machine cooling deflector roll and printing machine can cool off the printed matter that is heated, prevents that the printed matter from lax, has guaranteed the printing effect.
In order to achieve the above object, the utility model adopts the following technical scheme:
a cooling guide roller of a printing machine comprises a cylindrical barrel body, wherein connecting parts are arranged at two axial ends of the barrel body, the barrel body is rotatably connected to two wallboards of the printing machine through the two connecting parts, and printed matters entering the printing machine can bypass the barrel body and are attached to the surface of the barrel body so as to drive the barrel body to rotate through friction with the barrel body;
the cooling device is characterized in that a cooling cavity is arranged in the cylinder, a liquid inlet channel and a liquid outlet channel which can enable the cooling cavity to be communicated with the outside are arranged on the end side of the cylinder, an external refrigerant can enter the cooling cavity through the liquid inlet channel, and the refrigerant entering the cooling cavity is discharged out of the cylinder through the liquid outlet channel after exchanging heat with a printed matter attached to the surface of the cylinder.
Preferably, the two connecting parts are respectively a first connecting part and a second connecting part, and the liquid inlet channel is arranged in the first connecting part.
Preferably, the device also comprises a middle shaft;
the middle shaft is internally provided with a connecting channel which extends along the circumferential direction of the middle shaft, the middle shaft is positioned in the cooling cavity, the connecting channel can be communicated with the cooling cavity, one end of the middle shaft is fixedly connected to the first connecting part, the connecting channel is communicated with the liquid inlet channel, and a refrigerant flowing from the liquid inlet channel can flow into the cooling cavity through the connecting channel.
Preferably, the axis of the middle shaft and the axis of the connecting channel are coincident with the axis of the cylinder.
Preferably, a through hole extending along the radial direction of the central axis is formed in the side wall of the connecting channel, and the connecting channel is communicated with the cooling cavity through the through hole.
Preferably, the number of the through holes is at least two, and the through holes are uniformly distributed along the circumferential direction of the middle shaft.
Preferably, the liquid outlet channel is arranged in the first connecting part or the second connecting part.
A printing machine comprises a printing machine cooling guide roller and a drying device for drying printed products, wherein the printing machine cooling guide roller is located at the downstream of the drying device on the running path of the printed products.
The utility model discloses a printing machine cooling deflector roll, through adopting cooling chamber has in the barrel the distolateral side of barrel is provided with can make the inlet channel and the liquid outlet channel of cooling chamber and outside intercommunication, outside refrigerant can pass through inlet channel gets into the cooling chamber gets into the refrigerant in cooling chamber is in with the laminating behind the printed matter heat transfer on barrel surface, through liquid outlet channel discharges extremely technical scheme outside the barrel can cool off the printed matter that is heated, prevents that the printed matter from lax, has guaranteed the printing effect.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a cooling guide roller of a printing machine according to the present invention.
Wherein: 1. a barrel; 11. a cooling chamber; 12. a liquid inlet channel; 13. a liquid outlet channel; 2. a connecting portion; 21. a first connection portion; 22. a second connecting portion; 3. a middle shaft; 31. a connecting channel; 32. and a through hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following will explain the mobile working chair of the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1, a cooling guide roller of a printing machine comprises a cylindrical barrel body 1, wherein two axial ends of the barrel body 1 are provided with connecting parts 2, the barrel body 1 is rotatably connected to two wall plates of the printing machine through the two connecting parts 2, and a printed matter (which can be roll paper) entering the printing machine can bypass the barrel body 1 and is attached to the surface of the barrel body 1 so as to drive the barrel body 1 to rotate through friction with the barrel body 1. The cylinder 1 is internally provided with a cooling cavity 11, the end side of the cylinder 1 is provided with a liquid inlet channel 12 and a liquid outlet channel 13 which can enable the cooling cavity 11 to be communicated with the outside, in practical use, the liquid inlet channel 12 can be connected with an external refrigerant source, so that external refrigerants (such as water) can enter the cooling cavity 11 through the liquid inlet channel 12, and the refrigerants entering the cooling cavity 11 are discharged out of the cylinder 1 through the liquid outlet channel 13 after heat exchange with printed matters attached to the surface of the cylinder 1. By adopting the technical scheme, the heated printed matter can be cooled, the printed matter is prevented from loosening, and the printing effect is ensured.
Specifically, as shown in fig. 1, the two connection portions 2 are a first connection portion 21 and a second connection portion 22, respectively, and the liquid inlet passage 12 is provided in the first connection portion 21. The liquid outlet channel 13 may be provided in the first connection portion 21 or the second connection portion 22.
Further, as shown in fig. 1, a middle shaft 3 is also included. The middle shaft 3 is internally provided with a connecting channel 31 extending along the circumferential direction of the middle shaft 3, the middle shaft 3 is positioned in the cooling cavity 11, the connecting channel 31 can be communicated with the cooling cavity 11, one end of the middle shaft 3 is fixedly connected to the first connecting part 21, the connecting channel 31 is communicated with the liquid inlet channel 12, and therefore the refrigerant flowing from the liquid inlet channel 12 can flow into the cooling cavity 11 through the connecting channel 31. In particular, the axis of the bottom bracket 3 and the axis of the connecting channel 31 both coincide with the axis of the cylinder 1. As shown in the figure, the connecting channel 31 is communicated with the cooling cavity 11, a through hole 32 extending along the radial direction of the central axis 3 is provided on the side wall of the connecting channel 31, and the connecting channel 31 is communicated with the cooling cavity 11 through the through hole 32. In actual manufacturing, the through hole 32 is disposed at a position far away from the liquid outlet channel 13, so that the circulation of the refrigerant is more sufficient, and the heat exchange efficiency is further improved.
Preferably, the number of the through holes 32 is at least two, and at least two through holes 32 are uniformly distributed along the circumferential direction of the central shaft 3. Thus, the refrigerant in the connecting channel 31 can enter the cooling cavity through the through holes 32, and the flow rate of the refrigerant is ensured.
In order to achieve the object of the present invention, the present invention further provides a printing machine, including the cooling guide roller of the printing machine and the drying device for drying the printed matter, wherein the cooling guide roller of the printing machine is located at the downstream of the drying device on the running path of the printed matter. Therefore, the printed matter can be cooled after being heated and dried by the drying device.
Through adopting above technical scheme, make the utility model has the advantages of reasonable in design, simple structure can cool off the printed matter that is heated, prevents that the printed matter from lax, has guaranteed the printing effect.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. A printing machine cooling deflector roll which characterized in that:
the printing press comprises a cylindrical barrel, wherein connecting parts are arranged at two axial ends of the barrel, the barrel is rotatably connected to two wallboards of a printing press through the two connecting parts, and printed matters entering the printing press can bypass the barrel and are attached to the surface of the barrel so as to drive the barrel to rotate through friction with the barrel;
the cooling device is characterized in that a cooling cavity is arranged in the cylinder, a liquid inlet channel and a liquid outlet channel which can enable the cooling cavity to be communicated with the outside are arranged on the end side of the cylinder, an external refrigerant can enter the cooling cavity through the liquid inlet channel, and the refrigerant entering the cooling cavity is discharged out of the cylinder through the liquid outlet channel after exchanging heat with a printed matter attached to the surface of the cylinder.
2. The printing press cooling guide roller as defined in claim 1, wherein:
two connecting portion are first connecting portion and second connecting portion respectively, the inlet channel sets up in the first connecting portion.
3. The printing press cooling guide roller as defined in claim 2, wherein:
the utility model also comprises a middle shaft;
the middle shaft is internally provided with a connecting channel which extends along the circumferential direction of the middle shaft, the middle shaft is positioned in the cooling cavity, the connecting channel can be communicated with the cooling cavity, one end of the middle shaft is fixedly connected to the first connecting part, the connecting channel is communicated with the liquid inlet channel, and a refrigerant flowing from the liquid inlet channel can flow into the cooling cavity through the connecting channel.
4. The printing press cooling guide roller as defined in claim 3, wherein:
the axis of the middle shaft and the axis of the connecting channel are coincided with the axis of the cylinder.
5. The printing press cooling guide roller as defined in claim 4, wherein:
and through holes extending along the radial direction of the middle shaft are formed in the side wall of the connecting channel, and the connecting channel is communicated with the cooling cavity through the through holes.
6. The printing press cooling guide roller as defined in claim 5, wherein:
the number of the through holes is at least two, and the through holes are uniformly distributed along the circumferential direction of the middle shaft.
7. The printing press cooling guide roller according to any one of claims 2 to 6, characterized in that:
the liquid outlet channel is arranged in the first connecting part or the second connecting part.
8. A printing press characterized by:
comprising a press cooling guide roller according to any one of claims 1 to 7 and a drying device for drying the printed products, said press cooling guide roller being located downstream of said drying device in the path of travel of the printed products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020549535.5U CN212124497U (en) | 2020-04-14 | 2020-04-14 | Cooling guide roller of printing machine and printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020549535.5U CN212124497U (en) | 2020-04-14 | 2020-04-14 | Cooling guide roller of printing machine and printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212124497U true CN212124497U (en) | 2020-12-11 |
Family
ID=73687656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020549535.5U Active CN212124497U (en) | 2020-04-14 | 2020-04-14 | Cooling guide roller of printing machine and printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212124497U (en) |
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2020
- 2020-04-14 CN CN202020549535.5U patent/CN212124497U/en active Active
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