CN217347111U

CN217347111U - Cooling device for printing roller of printing machine

Info

Publication number: CN217347111U
Application number: CN202221420646.1U
Authority: CN
Inventors: 何赛; 何宽; 陈爱萍; 何比
Original assignee: Xianning Shanhe Culture Development Co ltd
Current assignee: Xianning Shanhe Culture Development Co ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-09-02
Anticipated expiration: 2032-06-08

Abstract

The utility model relates to a printing roller field just discloses a cooling device that printing machine printing roller was used, including the cooling frame, the inside wall of cooling frame rotates and is connected with printing roller body, the cooling chamber has been seted up on the top of cooling frame, the thermovent has been seted up to the inner diapire in cooling chamber, the inside wall fixedly connected with cooling fan in cooling chamber, the top swing joint in cooling chamber has the dust screen, the fixed pipe of inside wall fixedly connected with of printing roller body, the fixed surface of fixed pipe is connected with the cooling tube. This cooling device that printing machine printing roller was used, through starting cooling blower, with outside new trend by the thermovent blow to the surface of printing roller body, realize the forced air cooling heat dissipation, carry the cooling water to the inside of fixed pipe through the inlet tube simultaneously to shunt through the cooling tube, increase water-cooling heat transfer area realizes that printing roller body surface carries out quick water-cooling, and then realizes forced air cooling and water-cooled dual cooling, improves the cooling effect.

Description

Cooling device for printing roller of printing machine

Technical Field

The utility model relates to a printing roller field specifically is a cooling device that printing machine printing roller was used.

Background

The printing machine is very huge at our present society use demand, and in the printing machine working process, because printing roller and the continuous friction printing of paper, and then make printing roller surface temperature rise, in order to guarantee follow-up printing quality, need carry out cooling treatment to printing roller.

The cooling effect is lower when using for the cooling device that current printing machine printing roller was used, and the device is at the during operation, adopts the forced air cooling to dispel the heat usually, and nevertheless the radiating effect of forced air cooling is relatively poor for the long-term during operation of printing roller, the inconvenient effluvium of its heat influences the normal work of printing roller.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a cooling device that printing machine printing roller was used possesses advantages such as cooling effect is good, has solved the problem among the above-mentioned background art.

(II) technical scheme

For the purpose of realizing above-mentioned governing nozzle height, the utility model provides a following technical scheme: the utility model provides a cooling device that printing machine printing roller was used, includes the cooling frame, the inside wall of cooling frame rotates and is connected with the printing roller body, the cooling chamber has been seted up on the top of cooling frame, the thermovent has been seted up to the inner diapire in cooling chamber, the inside wall fixedly connected with cooling fan in cooling chamber, the top swing joint in cooling chamber has the dust screen, the cooling frame top fixedly connected with mounting structure at cooling chamber both ends.

The inner wall fixedly connected with heat conduction section of thick bamboo of printing roller body, the fixed pipe of inside wall fixedly connected with of printing roller body, the fixed surface of fixed pipe is connected with the cooling tube, fixed pipe one side fixedly connected with extends to the outside inlet tube of cooling frame, fixed pipe opposite side fixedly connected with extends to the outside drain pipe of cooling frame, through the inside of heat conduction section of thick bamboo with the partly heat direction printing roller body that printing roller body work produced, later carry the cooling water to the inside of fixed pipe through the inlet tube to shunt through the cooling tube, increase water-cooling heat transfer area, and then carry out the heat exchange treatment through the inside cooling water of cooling tube and the heat that the heat conduction section of thick bamboo absorbs, realize printing roller body surface and carry out quick water-cooling, improve the cooling effect.

Preferably, the heat conducting cylinder is cylindrical, the inner wall of the heat conducting cylinder is fixedly connected with one end of the cooling pipe, the contact area between the heat conducting cylinder and the inner wall of the printing roller body is increased, and the heat conducting effect on the surface of the printing roller body is further improved.

Preferably, the cooling pipes are distributed on the surface of the fixed pipe at equal angles, and the angle between the cooling pipes is ninety degrees, so that the water-cooling heat exchange area is increased conveniently, and the installation stability of the fixed pipe can be improved.

Preferably, the shape of thermovent is the round platform type, and the quantity of thermovent is twenty one, is convenient for improve the air-cooled radiating effect to printing roller body surface.

Preferably, the mounting structure includes the mounting groove, the cooling frame top at cooling chamber both ends is seted up to the mounting groove, and the inside wall fixedly connected with installation spring of mounting groove, the one end fixedly connected with installation piece of installation spring, and installation piece top fixedly connected with extend to the outside driving lever of cooling frame, the mounting hole with installation piece matched with is seted up to the dust screen both sides, through the elasticity of installation spring, realizes the block or the separation of installation piece and mounting hole inside, is convenient for dismantle the installation fast of dust screen, reduces the change degree of difficulty of staff to the dust screen.

Preferably, the top end of the mounting groove is provided with a limiting groove, the length of the limiting groove is greater than that of the inside of the mounting hole, and the mounting block is conveniently guaranteed to be completely separated from the inside of the mounting hole.

Preferably, the mounting block is in an inverted T shape, and a clamping structure is formed between the mounting block and the inside of the mounting hole, so that the mounting block is prevented from excessively sliding and being separated from the inside of the mounting groove.

Preferably, the both sides fixedly connected with handle on dust screen top, and the handle is convenient for install the dismantlement to the dust screen about the vertical axis symmetric distribution of dust screen.

Advantageous effects

Compared with the prior art, the utility model provides a cooling device that printing machine printing roller was used possesses following beneficial effect:

1. the cooling device for the printing roller of the printing machine comprises a cooling fan, a water inlet pipe, a heat conducting cylinder, a cooling pipe, a fixing pipe, a water discharging pipe and a heat radiating port, by starting the heat radiation fan, the external fresh air is blown to the inside of the cooling cavity and is blown to the surface of the printing roller body through the heat radiation port to realize air cooling and heat radiation, meanwhile, a part of heat generated by the working of the printing roller body is guided to the inside of the printing roller body through the heat conducting cylinder, then cooling water is conveyed to the inside of the fixed pipe through the water inlet pipe and is shunted through the cooling pipe, the water-cooling heat exchange area is increased, then the cooling water in the cooling pipe and the heat absorbed by the heat conducting cylinder are subjected to heat exchange treatment to realize the rapid water cooling and temperature reduction of the surface of the printing roller body, and then realize forced air cooling and water-cooled dual cooling, improve the cooling effect, guarantee the normal work of printing roller body to the lower problem of cooling effect has been solved.

2. This cooling device that printing machine printing roller was used, mounting hole through setting up, the mounting groove, installation spring and installation piece, elasticity through the installation spring, realize the inside block or the separation of installation piece and mounting hole, be convenient for dismantle the installation fast to the dust screen, reduce the change degree of difficulty of staff to the dust screen, avoid the inconvenience that the tradition was changed, improve the work efficiency of its change, be convenient for to the washing or the installation of dust screen, avoid impurity such as dust to lead to the decline of air inlet speed with its jam, thereby the inconvenient problem of changing of dust screen has been solved.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic view of a partial three-dimensional structure of the cooling pipe of the present invention;

FIG. 4 is a schematic view of a three-dimensional enlarged structure of the dust screen of the present invention;

fig. 5 is an enlarged schematic structural diagram of a in fig. 2 according to the present invention.

In the figure: 1. a heat radiation fan; 2. a dust screen; 3. a cooling chamber; 4. a mounting structure; 401. mounting holes; 402. a deflector rod; 403. a limiting groove; 404. mounting grooves; 405. installing a spring; 406. mounting blocks; 5. a cooling rack; 6. a printing roller body; 7. a water inlet pipe; 8. a heat conducting tube; 9. a cooling tube; 10. fixing the tube; 11. a drain pipe; 12. a heat dissipation port; 13. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

The utility model provides a cooling device for printing roller of printing machine's preferred embodiment is shown in fig. 1 to 5: the utility model provides a cooling device that printing machine printing roller was used, includes cooling frame 5, and the inside wall of cooling frame 5 rotates and is connected with printing roller body 6, and cooling chamber 3 has been seted up on the top of cooling frame 5, and thermovent 12 has been seted up to the inner diapire of cooling chamber 3, and the inside wall fixedly connected with radiator fan 1 of cooling chamber 3, the top swing joint of cooling chamber 3 have

dust screen

2, and 5 top fixedly connected with mounting structure 4 of cooling frame at 3 both ends in cooling chamber.

Inner wall fixedly connected with heat conduction section of thick bamboo 8 of printing roller body 6, the fixed pipe 10 of inside wall fixedly connected with of printing roller body 6, the fixed surface fixedly connected with cooling tube 9 of fixed pipe 10, fixed pipe 10 one side fixedly connected with extends to the outside inlet tube 7 of cooling frame 5, fixed pipe 10 opposite side fixedly connected with extends to the outside drain pipe 11 of cooling frame 5, carry the inside to fixed pipe 10 with the cooling water through inlet tube 7, and shunt through cooling tube 9, increase water-cooling heat transfer area, and then carry out heat exchange treatment through the inside cooling water of cooling tube 9 and the absorptive heat of heat conduction section of thick bamboo 8, realize that printing roller body 6 surfaces carries out quick water-cooling, improve the cooling effect.

In this embodiment, the heat conducting cylinder 8 is cylindrical, and the inner wall of the heat conducting cylinder 8 is fixedly connected to one end of the cooling tube 9, so that the contact area with the inner wall of the printing roller body 6 is increased by the cylindrical heat conducting cylinder 8, and the heat conducting effect on the surface of the printing roller body 6 is further improved.

In this embodiment, the cooling pipes 9 are equiangularly distributed on the surface of the fixed pipe 10, the angle between the cooling pipes 9 is ninety degrees, and by providing the cooling pipes 9 equiangularly distributed in ninety degrees, the water-cooling heat exchange area is increased conveniently, and the stability of the installation of the fixed pipe 10 can be improved.

In this embodiment, the shape of the heat dissipation port 12 is a circular truncated cone, the number of the heat dissipation ports 12 is twenty one, and by arranging the heat dissipation ports 12 of the twenty one circular truncated cone, the wind blown out from the inside of the cooling cavity 3 is facilitated, the wind speed is higher, and the air cooling heat dissipation effect on the surface of the printing roller body 6 is facilitated to be improved.

Example 2

On the basis of embodiment 1, the present invention provides a preferred embodiment of a cooling device for a printing roller of a printing machine, which is shown in fig. 1 to 5: mounting structure 4 includes mounting groove 404, mounting groove 404 sets up on the 5 tops of cooling frame at cooling chamber 3 both ends, and the inside wall fixedly connected with installation spring 405 of mounting groove 404, the one end fixedly connected with installation piece 406 of installation spring 405, and installation piece 406 top fixedly connected with extends to the outside driving lever 402 of cooling frame 5, dust screen 2 both sides are seted up with installation piece 406 matched with mounting hole 401, elasticity through installation spring 405, realize the inside block or the separation of installation piece 406 and mounting hole 401, be convenient for dismantle the installation fast to dust screen 2, reduce the change degree of difficulty of staff to dust screen 2, avoid the inconvenience of traditional change, improve the work efficiency of its change.

In this embodiment, the top end of the mounting groove 404 is provided with a limiting groove 403, the length of the limiting groove 403 is greater than the length inside the mounting hole 401, and by providing the longer limiting groove 403, the shift lever 402 has enough moving space, which is convenient for ensuring that the mounting block 406 is completely separated from the inside of the mounting hole 401.

In this embodiment, the shape of the mounting block 406 is an inverted T shape, and a clamping structure is formed between the mounting block 406 and the inside of the mounting hole 401, so that the mounting firmness of the dust screen 2 is ensured by clamping the inverted T-shaped mounting block 406 and the inside of the mounting hole 401, and the mounting block 406 can be prevented from sliding excessively and being separated from the inside of the mounting groove 404.

Besides, the both sides fixedly connected with handle 13 on 2 tops of dust screen, and handle 13 is convenient for install and dismantle dust screen 2 through the handle 13 that sets up symmetric distribution about 2 vertical axis symmetric distributions of dust screen.

When the printing roller body 6 is used, when the surface temperature of the printing roller body 6 rises due to printing, the heat dissipation fan 1 can be started to blow outside fresh air into the cooling cavity 3 and blow the fresh air to the surface of the printing roller body 6 through the heat dissipation port 12 to realize air-cooled heat dissipation, meanwhile, cooling water is conveyed to the inside of the fixed pipe 10 through the water inlet pipe 7 through external equipment and is divided through the cooling pipe 9, then the cooling water in the cooling pipe 9 and heat absorbed by the heat conduction cylinder 8 are subjected to heat exchange treatment, then the cooling water after heat exchange is discharged through the water discharge pipe 11, further, the surface of the printing roller body 6 is subjected to rapid water-cooled temperature reduction, the cooling effect is improved, the normal work of the printing roller body 6 is ensured, and when the dust screen 2 is adhered by impurities such as dust and the like too much, the deflector rod 402 can be stirred, so that the mounting block 406 slidably compresses the mounting spring 405 in the mounting groove 404 to be completely separated from the mounting hole 401, later accessible handle 13 pulling dust screen 2, dismantle dust screen 2 and wash it, during later installation, block dust screen 2 inside cooling chamber 3 to elasticity through installation spring 405 makes installation piece 406 remove the card to mounting hole 401 inside, realizes dust screen 2's firm stable installation, and then is convenient for to dust screen 2's quick dismantlement installation, reduces its change degree of difficulty.

To sum up, this cooling device that printing machine printing roller was used, the device can realize the dual cooling of forced air cooling and water-cooling, improves the cooling effect to printing roller body 6, can dismantle the installation fast to dust screen 2 simultaneously, and the staff of being convenient for is to the change efficiency of dust screen 2.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A cooling device for a printing roller of a printing machine, comprising a cooling frame (5), characterized in that: the printing roller body (6) is rotatably connected to the inner side wall of the cooling frame (5), a cooling cavity (3) is formed in the top end of the cooling frame (5), a heat dissipation port (12) is formed in the inner bottom wall of the cooling cavity (3), a heat dissipation fan (1) is fixedly connected to the inner side wall of the cooling cavity (3), a dust screen (2) is movably connected to the top end of the cooling cavity (3), and mounting structures (4) are fixedly connected to the top ends of the cooling frame (5) at the two ends of the cooling cavity (3);

the inner wall fixedly connected with heat conduction section of thick bamboo (8) of printing roller body (6), the fixed pipe of inside wall fixedly connected with (10) of printing roller body (6), the fixed surface of fixed pipe (10) is connected with cooling tube (9), fixed pipe (10) one side fixedly connected with extends to cooling rack (5) outside inlet tube (7), fixed pipe (10) opposite side fixedly connected with extends to cooling rack (5) outside drain pipe (11).

2. A cooling device for a printing roller of a printing machine according to claim 1, characterized in that: the heat conducting cylinder (8) is cylindrical, and the inner wall of the heat conducting cylinder (8) is fixedly connected with one end of the cooling pipe (9).

3. A cooling device for a printing roller of a printing machine according to claim 1, characterized in that: the cooling tubes (9) are equiangularly distributed on the surface of the fixed tube (10), and the angle between the cooling tubes (9) is ninety degrees.

4. A cooling device for a printing roller of a printing machine according to claim 1, characterized in that: the shape of thermovent (12) is round platform type, and thermovent (12)'s quantity is twenty one.

5. A cooling device for a printing roller of a printing machine according to claim 1, characterized in that: mounting structure (4) include mounting groove (404), cooling frame (5) top at cooling chamber (3) both ends is seted up in mounting groove (404), and inside wall fixedly connected with installation spring (405) of mounting groove (404), the one end fixedly connected with installation piece (406) of installation spring (405), and installation piece (406) top fixedly connected with extend to outside driving lever (402) of cooling frame (5), mounting hole (401) with installation piece (406) matched with are seted up to dust screen (2) both sides.

6. A cooling device for a printing roller of a printing machine according to claim 5, characterized in that: the top end of the mounting groove (404) is provided with a limiting groove (403), and the length of the limiting groove (403) is greater than the length inside the mounting hole (401).

7. A cooling device for a printing roller of a printing machine according to claim 5, characterized in that: the mounting block (406) is in an inverted T shape, and a clamping structure is formed between the mounting block (406) and the inside of the mounting hole (401).

8. A cooling device for a printing roller of a printing machine according to claim 1, characterized in that: the two sides of the top end of the dust screen (2) are fixedly connected with handles (13), and the handles (13) are symmetrically distributed about the vertical central axis of the dust screen (2).