CN215473954U - Cooling roller and printing equipment - Google Patents
Cooling roller and printing equipment Download PDFInfo
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- CN215473954U CN215473954U CN202121410563.XU CN202121410563U CN215473954U CN 215473954 U CN215473954 U CN 215473954U CN 202121410563 U CN202121410563 U CN 202121410563U CN 215473954 U CN215473954 U CN 215473954U
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Abstract
The utility model relates to the technical field of printing, and discloses a cooling roller and printing equipment, wherein the cooling roller comprises a cylindrical roller body, the cylindrical roller body rotates around the axial direction of the roller body, the roller body is provided with a solution cavity, the solution cavity is provided with a liquid inlet hole and a liquid outlet hole which are communicated with the solution cavity and the outside, the roller body is provided with a plurality of communication holes, the plurality of communication holes are arranged on the inner wall of the solution cavity around a rotating shaft of the roller body, and the plurality of communication holes are communicated with the liquid outlet hole; the liquid inlet hole is used for feeding liquid, and the liquid outlet hole is used for discharging liquid and gas. Through the mode, the embodiment of the utility model can improve the cooling efficiency of the cooling roller.
Description
Technical Field
The embodiment of the utility model relates to the technical field of printing, in particular to a cooling roller and printing equipment.
Background
The advent of ink jet devices (such as ink jet printers) has provided great convenience for modern printing, and the general operating principle of ink jet devices is: the basic principle is that the charged ink-jet mist points are deflected by an electrode and directly form a required pattern on a printing medium. Because the pattern after printing needs to be fixed, this step is usually realized by adopting thermal radiation or UV light source irradiation, but these two ways can make the print medium absorb the thermal radiation thereby make print medium temperature rise, and continuous heat accumulation can destroy the material of print medium or influence the rolling of print medium, so generally need set up a chill roll and cool off the print medium of fixing.
However, in the process of implementing the present invention, the inventor of the present invention finds that the air outlet of the cooling roller cannot discharge the air in the cavity after being overflowed by the cooling liquid, so that the cooling liquid cannot fill the whole cavity, the heat conduction efficiency of the cooling roller is low, and the printing medium cannot be sufficiently radiated.
SUMMERY OF THE UTILITY MODEL
The technical problem mainly solved by the embodiment of the utility model is to provide the cooling roller, which can improve the heat dissipation efficiency of the cooling roller.
In order to solve the technical problems, the utility model adopts a technical scheme that: provided is a cooling roll including: the roll body, the roll body rotates around the axial of self, the roll body is provided with solution chamber and intercommunication solution chamber and external feed liquor hole and goes out the liquid hole, the roll body is provided with a plurality of intercommunicating pores that are located the inner wall in solution chamber, and is a plurality of the intercommunicating pore winds the pivot setting of roll body, and it is a plurality of the intercommunicating pore all with go out liquid hole intercommunication, wherein, the feed liquor hole is used for the feed liquor, it is used for going out liquid and giving vent to anger to go out the liquid hole.
Optionally, the roller body comprises a roller and a first shaft head, the solution chamber is arranged in the roller, one end of the roller is provided with a first opening communicated with the solution chamber, and the first shaft head covers the first opening;
the first shaft head is provided with a boss, the liquid inlet hole axially penetrates through the first shaft head, and the communicating holes are formed in the periphery of the boss.
Optionally, the first shaft head includes a first rotating shaft and a first cover, the boss is disposed on one side of the first cover, and the other side of the first cover extends away from one side of the boss to obtain the first rotating shaft.
Optionally, the roller is made of a high-heat-conductivity metal material.
Optionally, the chill roll still includes liquid inlet joint, liquid inlet joint install in the roll body is provided with the one end in feed liquor hole, liquid inlet joint is including connecting body and feed liquor pipe, it is provided with sap cavity, inlet and liquid outlet to connect the body, the one end of feed liquor pipe is connected the inlet, the other end of feed liquor pipe passes the feed liquor hole stretches into the inside in solution chamber, the sap cavity communicates respectively the feed liquor hole with the liquid outlet.
Optionally, the liquid inlet joint further comprises a rolling bearing and a connecting nozzle, the rolling bearing is accommodated in the liquid cavity, one end of the connecting nozzle is rotatably mounted on the bearing, and the other end of the connecting nozzle is connected with the liquid inlet hole;
wherein, the connector nozzle is provided with the intercommunication the feed liquor hole with the via hole in liquid chamber, the via hole is used for supplying the feed liquor pipe passes through.
Optionally, the roller body further comprises a first sealing element, the boss is sleeved with the first sealing element, and the first sealing element is used for sealing a joint of the first shaft head and the first opening.
Optionally, the roller body further includes a second shaft head and a second opening, the second opening is provided at the other end of the roller body and communicated with the solution cavity, and the second shaft head covers the second opening.
Optionally, the roller body further includes a second sealing element, the second shaft head is sleeved with the second sealing element, and the second sealing element is used for sealing a joint between the second shaft head and the second opening.
The utility model also provides a printing apparatus comprising a chill roll as defined in any of the above.
In the embodiment of the utility model, the plurality of communication holes which are axially arranged around the roller body are arranged on the inner wall of the solution cavity, and the plurality of communication holes are communicated with the liquid outlet hole, so that when the cooling roller is used for feeding liquid, gas remained on the liquid level of the solution cavity is discharged into the liquid outlet hole through the communication holes, the solution cavity is discharged, the purpose that the solution cavity is filled with cooling liquid is achieved, and the cooling efficiency of the cooling roller is improved.
Drawings
FIG. 1 is a general schematic view of an embodiment of a chill roll of the present invention;
FIG. 2 is a schematic cross-sectional view of an embodiment of a chill roll of the present invention;
FIG. 3 is a schematic view of the roll body of an embodiment of the cooling roll of the present invention;
FIG. 4 is a schematic cross-sectional view of FIG. 3;
FIG. 5 is an exploded schematic view of FIG. 3;
FIG. 6 is a schematic view of a first axial head of an embodiment of the cooling roller of the present invention;
FIG. 7 is a schematic view of a second spindle head of an embodiment of the chill roll of the present invention.
Detailed Description
In order to facilitate an understanding of the utility model, the utility model is described in more detail below with reference to the accompanying drawings and specific examples. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 4, a cooling roller 1 includes a roller body 10 and a liquid inlet joint 20, the roller body 10 is provided with a solution chamber 11, a liquid inlet hole 12, a liquid outlet hole 13 and a communication hole 14, and the liquid inlet hole 12, the liquid outlet hole 13 and the communication hole 14 are all communicated with the solution chamber 11. The roller body 10 is cylindrical, the cylindrical roller body 10 has a central axis a, and the roller body 10 can rotate around its own axis, that is, the roller body 10 rotates around the central axis a. The roller body 10 is provided with a plurality of communicating holes 14 positioned on the inner wall of the solution cavity, and the communicating holes 14 are communicated with the liquid outlet holes 13. The solution cavity 11 is used for storing solution, cooling liquid flows in from the liquid inlet hole 12 and flows out from the liquid outlet hole 13, the communicating hole 14 is used for discharging air, the liquid inlet joint 20 is installed at one end of the roller body 10, which is provided with the liquid inlet hole 12, and the liquid inlet joint 20 is used for liquid inlet or liquid outlet.
Referring to fig. 1 and 2, the roller body 10 includes a roller 101, a first shaft head 102, a first sealing member 103, a second shaft head 104, and a second sealing member 105, the solution chamber 11 is disposed in the roller 101, one end of the roller 101 is provided with a first opening communicated with the solution chamber 11, the other end of the roller 101 is provided with a second opening communicated with the solution chamber 11, the first shaft head 102 covers the first opening, and the second shaft head 104 covers the second opening. The first seal 103 is used for sealing the gap between the first shaft head 102 and the first opening, and the second seal 105 is used for sealing the gap between the second shaft head 104 and the second opening.
Specifically, referring to fig. 5 and 6, the first spindle head 102 includes a first rotating shaft 1021 and a first cover 1022, the first rotating shaft 1021 is obtained by extending one side of the first cover 1022, a boss 10221 is disposed on the other side of the first cover 1022, a diameter of the boss 10221 is smaller than an inner diameter of the solution chamber 11, one side of the first spindle head 102, which is provided with the boss 10221, covers the roller 101, at this time, the boss 10221 is accommodated in the solution chamber 11, the first sealing element 103 is disposed on the boss 10221, and the first sealing element 103 is used for sealing a gap between the first cover 1022 and the solution chamber 11.
In some embodiments, the boss 10221 is provided with a first seal groove 10222, the boss 10221 is sleeved with the first seal 103, a part of the first seal 103 is accommodated in the first seal groove 10222, another part of the first seal 103 is exposed out of the first seal groove 10222, after the first spindle head 102 is connected with the roller 101, the part of the first seal 103 exposed out of the first seal groove 10222 abuts against the inner wall of the roller 101, and at this time, the first seal 103 is in interference fit with the inner wall of the roller 101. A second sealing groove 1041 is formed in one end, facing the solution chamber 11, of the second spindle 104, a part of the second sealing element 105 is contained in the second sealing groove 1041, another part of the second sealing element 105 is exposed in the second sealing groove 1041, when the second spindle 104 is connected with the roller 101, the second sealing element 105 is abutted to the inner wall of the roller 101, and at this time, the second sealing element 105 is in interference fit with the inner wall of the roller 101.
In other embodiments, the first sealing element 103 and the second sealing element 105 are both rubber sealing rings.
Further, the liquid inlet hole 12 is axially disposed on the first rotating shaft 1021 in a penetrating manner, the boss 10221 is provided with a plurality of communication holes 14, and the plurality of communication holes 14 are disposed on the periphery of the boss 10221, specifically: the plurality of communication holes 14 are uniformly distributed around the liquid outlet hole 13 and the plurality of communication holes 14 are all communicated with the liquid outlet hole 13. It can be understood that the liquid inlet pipe 202 passing through the liquid inlet hole 12 serves as a liquid inlet channel for the cooling roller 1 to input the cooling liquid, and the gap formed between the liquid inlet hole 12 and the liquid inlet pipe 202 serves as a liquid outlet channel for the cooling liquid in the solution chamber 11 to flow out, i.e. the gap between the liquid inlet pipe 202 and the liquid inlet hole 12 serves as a liquid outlet hole 13. Therefore, when the cooling roller 1 is fed with liquid from the liquid inlet hole 12 during rotation, the gas in the solution chamber 11 is discharged from the communication holes 14 located above the liquid level of the solution chamber 11 out of the solution chamber 11, and since the number of the communication holes 14 is large and the plurality of communication holes 14 are uniformly distributed around the liquid outlet on the boss 10221, at least one communication hole 14 is always located above the liquid level of the solution chamber 11 during rotation of the cooling roller 1, so that the solution chamber 11 is filled with the cooling liquid.
In the embodiment of the present invention, the roller 101 is made of a metal material with high thermal conductivity, such as: aluminum alloy, whereby the cooling roll 1 has a good heat conductive property.
In some embodiments, a plurality of the communication holes 14 are disposed on the inner wall of the solution chamber 11 around the central axis a, the liquid inlet hole 12 is disposed on the first spindle head 102, the liquid outlet hole 13 is disposed on the second spindle head 104, the second spindle head 104 is further provided with a plurality of air passages (not shown), each of the plurality of air passages is communicated with the liquid outlet hole 13, and one of the communication holes 14 is communicated with one of the air passages. Or, a plurality of the communication holes 14 are arranged on the inner wall of the solution cavity 11 around the central axis a, the liquid inlet hole 12 is arranged on the first shaft head 102, on the first shaft head, the liquid inlet pipe 202 extends into the solution cavity 11 from the liquid inlet hole 12, the liquid inlet pipe 202 is used for feeding liquid as a liquid inlet channel, a liquid outlet channel is formed in a gap between the liquid inlet hole 12 and the liquid inlet pipe 202, namely, the liquid outlet hole 13 is used for discharging liquid, the first shaft head 102 is further provided with a plurality of air passages, the air passages are communicated with the liquid outlet hole 13, and one of the air passages is communicated with one of the communication holes 14.
As for the above inlet joint 20, the inlet joint 20 includes a joint body 201, an inlet pipe 202, a rolling bearing 203, and a connection mouth 204. The connector body 201 is provided with a liquid cavity 2011, a liquid inlet 2012 and a liquid outlet 2013, the liquid inlet 2012 is connected with the liquid inlet hole 12, the liquid outlet 2013 is connected with the liquid outlet hole 13, the liquid inlet 2012 is communicated with the liquid inlet hole 12, and the liquid outlet 2013, the liquid outlet hole 13 are communicated with the liquid cavity 2011. Antifriction bearing 203 installs and accept in the liquid chamber 2011, the one end of connecting nozzle 204 with antifriction bearing 203 connects, the other end of connecting nozzle 204 is connected feed liquor hole 12, the one end of feed liquor pipe 202 is connected inlet 2012, the other end of feed liquor pipe 202 passes connect nozzle 204 with feed liquor hole 12 stretches into in the solution chamber 11. Wherein, the connector nozzle is provided with the intercommunication feed liquor hole 12 with the via hole (not shown in the figure) of liquid chamber 2011, the via hole is used for supplying feed liquor pipe 202 passes through, connector nozzle 204 spiro union in feed liquor hole 12, works as when roll body 10 rotates, connector nozzle 204 with roll body 10 together rotates, because the other end of connector nozzle 204 is connected antifriction bearing 203, antifriction bearing 203 install in connect the body 201, when connector nozzle 204 rotates, connector nozzle 204 passes through antifriction bearing 203 for connect the body 201 to rotate. It should be noted that the diameter of the liquid inlet pipe 202 is smaller than the diameter of the liquid inlet hole 12, so a gap is formed between the outer wall of the liquid inlet pipe 202 and the inner wall of the liquid inlet hole 12, and the gap serves as a gas discharge channel or a coolant return channel in the solution chamber 11, i.e., the liquid outlet hole 13. When the cooling roller 1 injects cooling liquid during rotation, as the injection of cooling liquid continues to increase, gas in the solution chamber 11 will be discharged into the gap between the liquid inlet pipe 202 and the liquid inlet hole 12 via the communication hole 14 located above the liquid level of the cooling liquid, and finally discharged from the liquid outlet 2013 on the joint body 201, and when the liquid outlet 13 is submerged by the cooling liquid, the cooling liquid flows from the liquid outlet 13 to the solution chamber 2011, and finally flows back from the liquid outlet 2013 to an external device. When the liquid level of the cooling liquid just reaches the position of the liquid outlet hole 13, the amount of the cooling liquid flowing into the liquid inlet hole 12 in unit time is larger than the amount of the cooling liquid flowing out in unit time, so that the cooling liquid in the solution cavity 11 can be gradually increased until the gas inside the solution cavity is completely discharged, and then the balance of the cooling liquid flowing into and out in unit time is ensured, and the cooling effect is further ensured.
In the embodiment of the present invention, the inner wall of the solution chamber 11 is provided with the plurality of communication holes 14 arranged around the axial direction of the roller body 10, and the plurality of communication holes 14 are communicated with the liquid outlet holes 13, so that when the cooling roller 1 is used for feeding liquid, gas remaining on the liquid level of the solution chamber 11 is discharged into the liquid outlet holes 13 through the communication holes 14, and then discharged out of the solution chamber 11, thereby achieving the purpose that the solution chamber 11 is filled with cooling liquid, and as the solution chamber 11 is filled with cooling liquid, the phenomenon that the local temperature of the cooling roller 1 is inconsistent with the temperature of other areas is greatly reduced, and the cooling efficiency of the cooling roller 1 is improved.
The present invention further provides an embodiment of a printing apparatus, including the cooling roller 1 according to any of the above embodiments, and please refer to the above embodiments for the structure and function of the cooling roller 1, which is not described herein again.
It should be noted that the description of the present invention and the accompanying drawings illustrate preferred embodiments of the present invention, but the present invention may be embodied in many different forms and is not limited to the embodiments described in the present specification, which are provided as additional limitations to the present invention and to provide a more thorough understanding of the present disclosure. Moreover, the above technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention described in the specification; further, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. A chill roll comprising: a roller body which rotates around the axial direction of the roller body, and is characterized in that,
the roll body is provided with solution chamber and intercommunication solution chamber and external feed liquor hole and goes out the liquid hole, the roll body is provided with a plurality of intercommunicating pores that are located the inner wall in solution chamber, and is a plurality of the intercommunicating pore winds the pivot setting of roll body, and is a plurality of the intercommunicating pore all with go out the liquid hole intercommunication, wherein, the feed liquor hole is used for the feed liquor, it is used for going out the liquid hole and gives vent to anger to go out the liquid hole.
2. The cooling roll according to claim 1,
the roller body comprises a roller and a first shaft head, the solution cavity is arranged on the roller, one end of the roller is provided with a first opening communicated with the solution cavity, and the first shaft head covers the first opening;
the first shaft head is provided with a boss, the liquid inlet hole axially penetrates through the first shaft head, and the communicating holes are formed in the periphery of the boss.
3. The cooling roll according to claim 2,
the first shaft head comprises a first rotating shaft and a first cover body, the boss is arranged on one side of the first cover body, and the other side of the first cover body deviates from one side of the boss and extends to obtain the first rotating shaft.
4. The cooling roll according to claim 3,
the roller is made of a high-heat-conductivity metal material.
5. The cooling roll according to claim 4,
the chill roll still includes liquid inlet joint, liquid inlet joint install in the roll body is provided with the one end in feed liquor hole, liquid inlet joint is including connecting body and feed liquor pipe, it is provided with sap cavity, inlet and liquid outlet to connect the body, the one end of feed liquor pipe is connected the inlet, the other end of feed liquor pipe passes the feed liquor hole stretches into the inside in solution chamber, the sap cavity communicates respectively the feed liquor hole with the liquid outlet.
6. The cooling roll according to claim 5,
the liquid inlet joint further comprises a rolling bearing and a connecting nozzle, the rolling bearing is accommodated in the liquid cavity, one end of the connecting nozzle is rotatably mounted on the rolling bearing, and the other end of the connecting nozzle is connected with the liquid inlet hole;
wherein, the connector nozzle is provided with the intercommunication the feed liquor hole with the via hole in liquid chamber, the via hole is used for supplying the feed liquor pipe passes through.
7. The cooling roll of claim 6,
the roller body further comprises a first sealing element, the boss is sleeved with the first sealing element, and the first sealing element is used for sealing the joint of the first shaft head and the first opening.
8. The cooling roll according to claim 7,
the roller body further comprises a second shaft head and a second opening, the second opening is formed in the other end of the roller body and communicated with the solution cavity, and the second shaft head covers the second opening.
9. The cooling roll of claim 8,
the roller body further comprises a second sealing element, the second shaft head is sleeved with the second sealing element, and the second sealing element is used for sealing the joint of the second shaft head and the second opening.
10. A printing apparatus comprising a chill roll according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121410563.XU CN215473954U (en) | 2021-06-23 | 2021-06-23 | Cooling roller and printing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121410563.XU CN215473954U (en) | 2021-06-23 | 2021-06-23 | Cooling roller and printing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215473954U true CN215473954U (en) | 2022-01-11 |
Family
ID=79721525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121410563.XU Active CN215473954U (en) | 2021-06-23 | 2021-06-23 | Cooling roller and printing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215473954U (en) |
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2021
- 2021-06-23 CN CN202121410563.XU patent/CN215473954U/en active Active
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