CN219927209U - Printing roller with good heat dissipation effect and printing machine - Google Patents
Printing roller with good heat dissipation effect and printing machine Download PDFInfo
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- CN219927209U CN219927209U CN202321298517.4U CN202321298517U CN219927209U CN 219927209 U CN219927209 U CN 219927209U CN 202321298517 U CN202321298517 U CN 202321298517U CN 219927209 U CN219927209 U CN 219927209U
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- printing roller
- circular tube
- tube body
- heat dissipation
- good heat
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- 230000000694 effects Effects 0.000 title claims abstract description 28
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 22
- 230000007306 turnover Effects 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 6
- 238000009423 ventilation Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000007774 anilox coating Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a printing roller with good heat dissipation effect. The device comprises a circular tube body, a cover plate and a main shaft body, wherein the main shaft body is coaxial with the circular tube body; the circular tube body is provided with a mounting window, and the two sides of the mounting window in the length direction are provided with a first positioning assembly and a second positioning assembly; a fan installation shaft is fixedly and coaxially arranged in the circular tube body, and a fan is arranged on the fan installation shaft; the cover plate is provided with a vent. According to the utility model, the fan installation shaft and the fan in the printing roller can be driven to synchronously rotate in the working process of the printing roller, and the air in the circular tube body can be driven to flow to one side after the fan rotates, so that the ventilation opening on the cover plate on one side can continuously absorb external cold air, and after the cold air is contacted with the internal space of the printing roller, part of heat is discharged from the ventilation opening on the cover plate on the other side, and the cooling effect is continuously achieved. The cooling system provided by the utility model has a simple structure, does not need a new power source, and is convenient for later maintenance.
Description
Technical Field
The utility model relates to a flexible printing plate printer, in particular to a printing roller with good heat dissipation effect and a printing machine.
Background
Cartons and packages are common packaging articles, and the outer surfaces of the cartons and packages are generally printed with various patterns. The paper box and the packaging box are in a paper plate shape when printed, and the corresponding printing method is flexographic printing. The pattern and text part of the flexible printing plate is convex, the anilox roller uniformly coats the ink layer with certain thickness on the pattern and text part of the printing plate during printing, and then the ink layer of the pattern and text part is transferred to the surface of a printing stock under the action of the pressure of an impression cylinder (printing roller) to form clear pattern and text. The impression cylinder can receive great pressure and frictional force in operation, constantly produces heat simultaneously, and if the heat on the impression cylinder is accumulated too much, can influence the print quality, therefore the flexible printing plate printing machine of some high-speed long-time operation sets up cooling system for the impression cylinder cooling. The common cooling system is to arrange cooling pipeline inside impression cylinder, cools down through the cold water that flows, but whole structure is complicated, and the cost is higher, and the problem of leaking easily takes place.
Disclosure of Invention
The utility model provides a printing roller with good heat dissipation effect and a printing machine; solves the problems of complex structure and higher cost of the cooling system in the prior art.
The technical problems of the utility model are mainly solved by the following technical proposal: the printing roller with the good heat dissipation effect comprises a hollow circular tube body, cover plates fixedly connected to two ends of the circular tube body and a main shaft body fixed on the cover plates, wherein the main shaft body is coaxial with the circular tube body; the circular tube body is provided with mounting windows which are distributed along the length direction and internally and externally penetrated, and the two sides of the mounting window in the length direction are provided with a first positioning assembly and a second positioning assembly; a fan installation shaft is fixedly and coaxially arranged in the circular tube body, and a fan is arranged on the fan installation shaft; and a vent is arranged on the cover plate. According to the utility model, the fan installation shaft and the fan in the printing roller can be driven to synchronously rotate in the working process of the printing roller, and the air in the circular tube body can be driven to flow to one side after the fan rotates, so that the ventilation opening on the cover plate on one side can continuously absorb external cold air, and after the cold air is contacted with the internal space of the printing roller, part of heat is discharged from the ventilation opening on the cover plate on the other side, and the cooling effect is continuously achieved. The cooling system provided by the utility model has a simple structure, does not need a new power source, and is convenient for later maintenance.
Further, the positioning assembly comprises a mounting seat fixed on the circular tube body, a clamping surface arranged on the mounting seat, a rotating shaft rotatably connected to the mounting seat, a pressing plate fixed on the rotating shaft and an elastic piece, one end of the elastic piece is fixedly connected with the mounting seat, and the other end of the elastic piece is used for pushing the pressing plate to be clung to the clamping surface; the integral outline of the first positioning component and the second positioning component is positioned in the cylindrical surface where the outer wall of the circular tube body is positioned. The first positioning component and the second positioning component are respectively used for fixing the front end and the rear end of the flexible printing plate, and the pressing plate on the positioning component is pressed by the elastic piece in real time, so that when the flexible printing plate is installed or unloaded each time, the rotating shaft is only required to be manually rotated, the pressing plate is separated from the clamping surface, then the flexible printing plate is put in or taken out, and after the hand is loosened, the pressing plate and the clamping surface are automatically clamped. In conclusion, the utility model has the effect of convenient disassembly and assembly, and can greatly shorten the time for installing the printing plate.
Further, the installation seats are plural and are distributed at intervals, each installation seat is provided with a coaxial installation hole, the rotating shaft is rotationally assembled in each installation hole, a shaft sleeve is fixedly sleeved between any two adjacent installation seats in the rotating shaft, the pressing plate is fixed on the shaft sleeve, an opening groove is further formed in the shaft sleeve, and the wall of one side of the opening groove coincides with the surface of the pressing plate. When installing at every turn, need to insert the printing plate completely open slot, the open slot is used for accurate control printing plate's centre gripping width, ensures that its position of installing is accurate.
Further, an elastic sheet is arranged in the opening groove, the elastic sheet is propped against one side where the pressing plate is located, and the elastic sheet is arranged towards the outer side to form an opening. After the printing plate is inserted into the open slot, the elastic sheet can apply certain pressure to the printing plate, so that the relative displacement of the printing plate and the open slot is avoided in the period of time when the pressing plate and the clamping surface are not clamped yet.
Further, a wrench is matched with the shaft sleeve, and a jack into which one end of the wrench can be inserted is formed in the shaft sleeve; a connecting rod is connected between the two cover plates and is positioned in the middle of the mounting window; the wrench comprises a plug-in rod and a turnover rod which are connected in a head-to-tail rotation mode, and a torsion spring for driving the turnover rod to turn to one side is arranged on the plug-in rod. After the shaft sleeve is controlled to rotate by the hand wrenches, the overturning rod on the wrenches can be in contact with the connecting rod and is extruded and overturned by the connecting rod to deform until the overturning rod completely passes through the connecting rod, then the overturning rod rebounds and is limited with the connecting rod, at the moment, two hands can leave the wrenches, the shaft sleeve is fixed in the state, and a worker can conveniently install or disassemble the printing plate.
Further, a limiting block is convexly arranged on the outer wall of the mounting seat, one end of the elastic piece is fixedly connected with the limiting block, and the other end of the elastic piece is in butt joint with the pressing plate.
The utility model also provides a printer comprising a machine body and a printing roller thereon, which is characterized in that: the printing roller has the good heat dissipation effect. The printing roller with good heat dissipation effect has the technical effect, and the printer with the printing roller has the same technical effect.
Therefore, compared with the prior art, the utility model has the following characteristics: 1. the printing roller drives its inside fan installation axle and fan synchronous rotation at the rotation in-process, and the vent on the one side apron can be continuous absorbs external cold air, and after cold air and the contact of printing roller inner space, take partial heat to discharge from the vent on the opposite side apron, so constantly, play the effect of cooling, simple structure, be convenient for later maintenance.
Drawings
FIG. 1 is a schematic illustration of a construction of the present utility model;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic view of a fan mounting shaft and fan configuration;
FIG. 4 is a cross-sectional view of the present utility model;
FIG. 5 is a schematic view of the positioning assembly;
FIG. 6 is a schematic view of the structure of the sleeve and the platen;
fig. 7 is a schematic structural view of a circular tube body.
Detailed Description
The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Example 1: referring to fig. 1, 3 and 4, a printing roller with good heat dissipation effect is used for installing a flexible printing plate 10, and comprises a hollow circular tube body 100, cover plates 200 fixedly connected to two ends of the circular tube body, and a main shaft body 300 fixed on the cover plates, wherein the main shaft body is coaxial with the circular tube body; the circular tube body is provided with a mounting window 110 which is distributed along the length direction and is internally and externally penetrated, and the two sides of the mounting window in the length direction are provided with a first positioning assembly 400-1 and a second positioning assembly 400-2; the circular tube body is fixedly and coaxially provided with a fan installation shaft 500, the fan installation shaft is provided with fans 510, and the fans are provided with three to five groups and are distributed at intervals; the cover plate is provided with a vent 210. According to the technical method, the printing roller can drive the fan installation shaft and the fan in the printing roller to synchronously rotate in the working process, and the fan can drive air in the circular tube body to flow to one side after rotating, so that the ventilation opening on the cover plate on one side can continuously absorb external cold air, and after the cold air is in contact with the inner space of the printing roller, part of heat is discharged from the ventilation opening on the cover plate on the other side, and the cooling effect is continuously achieved. The cooling system of this embodiment is simple in structure, need not newly-increased power supply, and the later maintenance of being convenient for.
Referring to fig. 2, 5 and 7, the positioning assembly includes a mounting seat 410 fixed on the circular tube body, a clamping surface 420 arranged on the mounting seat, a rotating shaft 430 rotatably connected on the mounting seat, a pressing plate 440 fixed on the rotating shaft, and an elastic member 450, wherein a limiting block 460 is convexly arranged on the outer wall of the mounting seat, one end of the elastic member is fixedly connected with the limiting block, the other end of the elastic member is abutted with the pressing plate, and the pressing plate is pushed to be clung to the clamping surface. The first positioning component and the second positioning component are respectively used for fixing the front end and the rear end of the flexible printing plate, and the pressing plate on the positioning component is pressed by the elastic piece in real time, so that when the flexible printing plate is installed or unloaded each time, the rotating shaft is only required to be manually rotated, the pressing plate is separated from the clamping surface, then the flexible printing plate is put in or taken out, and after the hand is loosened, the pressing plate and the clamping surface are automatically clamped. In conclusion, the embodiment has the effect of convenient disassembly and assembly, and can greatly shorten the time for installing the printing plate.
Referring to fig. 5, 6 and 7, the mounting seats are plural and distributed at intervals, each mounting seat is provided with a coaxial mounting hole 411, the rotating shaft is rotatably assembled in the mounting hole, a shaft sleeve 470 is fixedly sleeved between any two adjacent mounting seats in the rotating shaft, the pressing plate is fixed on the shaft sleeve, an opening groove 480 is further formed in the shaft sleeve, and the wall of one side of the opening groove coincides with the surface of the pressing plate. When installing at every turn, need to insert the printing plate completely open slot, the open slot is used for accurate control printing plate's centre gripping width, ensures that its position of installing is accurate.
Referring to fig. 5, an elastic piece 481 is disposed in the opening groove, the elastic piece is disposed against the side where the pressing plate is disposed, and the elastic piece is disposed toward the outer side. After the printing plate is inserted into the open slot, the elastic sheet can apply certain pressure to the printing plate, so that the relative displacement of the printing plate and the open slot is avoided in the period of time when the pressing plate and the clamping surface are not clamped yet.
Referring to fig. 4, a wrench 500 is also matched, and a jack 471 for inserting one end of the wrench is arranged on the shaft sleeve; a connecting rod 600 is connected between the two cover plates and is positioned in the middle of the mounting window; the wrench comprises a plug-in rod 510 and a turnover rod 520 which are connected in a head-tail rotation way, and a torsion spring for driving the turnover rod to turn to one side is arranged on the plug-in rod. After the shaft sleeve is controlled to rotate by the hand wrenches, the overturning rod on the wrenches can be in contact with the connecting rod and is extruded and overturned by the connecting rod to deform until the overturning rod completely passes through the connecting rod, then the overturning rod rebounds and is limited with the connecting rod, at the moment, two hands can leave the wrenches, the shaft sleeve is fixed in the state, and a worker can conveniently install or disassemble the printing plate.
The embodiment also provides a printer, which comprises a printer body and a printing roller arranged on the printer body, wherein the printing roller has the good heat dissipation effect. The printing roller with good heat dissipation effect has the technical effect, and the printer with the printing roller has the same technical effect. Meanwhile, the assembly of the machine body and the printing roller belongs to the prior art, and the description is omitted in this embodiment.
It will be obvious to those skilled in the art that the present utility model may be varied in a number of ways without departing from the scope of the utility model. All such modifications as would be obvious to one skilled in the art are intended to be included within the scope of this claims.
Claims (8)
1. The utility model provides a printing roller that radiating effect is good which characterized in that: the device comprises a hollow circular tube body, cover plates fixedly connected to two ends of the circular tube body and a main shaft body fixed on the cover plates, wherein the main shaft body is coaxial with the circular tube body; the circular tube body is provided with mounting windows which are distributed along the length direction and internally and externally penetrated, and the two sides of the mounting window in the length direction are provided with a first positioning assembly and a second positioning assembly; a fan installation shaft is fixedly and coaxially arranged in the circular tube body, and a fan is arranged on the fan installation shaft; and a vent is arranged on the cover plate.
2. The printing roller with good heat dissipation effect according to claim 1, wherein: the fans are provided with three to five groups and are distributed at intervals.
3. The printing roller with good heat dissipation effect according to claim 1 or 2, characterized in that: the positioning assembly comprises a mounting seat fixed on the circular tube body, a clamping surface arranged on the mounting seat, a rotating shaft rotationally connected to the mounting seat, a pressing plate fixed on the rotating shaft and an elastic piece, wherein one end of the elastic piece is fixedly connected with the mounting seat, and the other end of the elastic piece is used for pushing the pressing plate to be clung to the clamping surface; the integral outline of the first positioning component and the second positioning component is positioned in the cylindrical surface where the outer wall of the circular tube body is positioned.
4. A printing roller with good heat dissipation effect according to claim 3, wherein: the installation seats are plural and are distributed at intervals, each installation seat is provided with a coaxial installation hole, the rotating shaft is rotationally assembled in each installation hole, a shaft sleeve is fixedly sleeved on the rotating shaft and between any two adjacent installation seats, the pressing plate is fixed on the shaft sleeve, an opening groove is further formed in the shaft sleeve, and the wall of one side of the opening groove coincides with the surface of the pressing plate.
5. The printing roller with good heat dissipation effect according to claim 4, wherein: the elastic piece is arranged in the opening groove and is propped against one side where the pressing plate is located, and the elastic piece is arranged outside and is opened.
6. The printing roller with good heat dissipation effect according to claim 4, wherein: a wrench is matched with the sleeve, and a jack into which one end of the wrench can be inserted is formed in the sleeve; a connecting rod is connected between the two cover plates and is positioned in the middle of the mounting window; the wrench comprises a plug-in rod and a turnover rod which are connected in a head-to-tail rotation mode, and a torsion spring for driving the turnover rod to turn to one side is arranged on the plug-in rod.
7. The printing roller with good heat dissipation effect according to claim 4, wherein: the outer wall of the mounting seat is convexly provided with a limiting block, one end of the elastic piece is fixedly connected with the limiting block, and the other end of the elastic piece is in butt joint with the pressing plate.
8. A printing press comprising a machine body and a printing roll thereon, characterized in that: the printing roller according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321298517.4U CN219927209U (en) | 2023-05-24 | 2023-05-24 | Printing roller with good heat dissipation effect and printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321298517.4U CN219927209U (en) | 2023-05-24 | 2023-05-24 | Printing roller with good heat dissipation effect and printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219927209U true CN219927209U (en) | 2023-10-31 |
Family
ID=88490620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321298517.4U Active CN219927209U (en) | 2023-05-24 | 2023-05-24 | Printing roller with good heat dissipation effect and printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219927209U (en) |
-
2023
- 2023-05-24 CN CN202321298517.4U patent/CN219927209U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |