CN218966512U

CN218966512U - Spray head cooling device of digital printing machine

Info

Publication number: CN218966512U
Application number: CN202223110133.3U
Authority: CN
Inventors: 周亮; 岳婷; 卢明杰; 舒茂林; 袁勇康
Original assignee: Hangzhou Honghua Digital Technology Stock Co Ltd
Current assignee: Hangzhou Honghua Digital Technology Stock Co Ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-05-05
Anticipated expiration: 2032-11-22

Abstract

The utility model discloses a spray head cooling device of a digital printing machine, belongs to the technical field of digital printing machines, and aims to overcome the defect of high manufacturing cost of the existing spray head cooling device. The spray head cooling device of the digital printing machine comprises a heat insulation shell and a heat radiation plate fixed on the heat insulation shell, wherein a first side surface of the heat radiation plate is attached to and fixed with a heat radiation pipe, and the heat radiation pipe is embedded in the heat insulation shell. Because the cooling tube is independent of the cooling plate, the cooling tube can be formed by an independent heat conduction tube, a channel is not required to be processed on the cooling plate, the processing difficulty is reduced, the cooling plate can be made thinner, the material consumption of the cooling plate is reduced, the heat insulation shell can separate the cooling tube from the external heat conduction, the cooling tube can perform heat exchange with the cooling plate better, the cooling medium in the cooling tube is guaranteed to absorb heat mainly from the cooling plate, and the cooling effect of the cooling plate on the spray head is improved.

Description

Spray head cooling device of digital printing machine

Technical Field

The utility model belongs to the technical field of digital printing machines, and relates to a spray head cooling device of a digital printing machine.

Background

The Chinese patent literature discloses a spray head cooling device of an ink-jet printing machine, which is invented by the patent of the utility model, and the patent publication number: CN215204073U, including the heating panel, the both sides face laminating installation of heating panel and shower nozzle, the inside of heating panel sets up the passageway that is used for leading to cooling medium, and the heating panel adopts copper material or aluminum product. The processing channel is difficult in copper or aluminum, and thicker copper or aluminum is needed, the weight of the cooling device is heavier, and the manufacturing cost is higher.

Disclosure of Invention

The utility model provides a spray head cooling device of a digital printing machine aiming at the problems existing in the prior art, and aims to overcome the defect of higher manufacturing cost of the existing spray head cooling device.

The utility model is realized in the following way:

the spray head cooling device of the digital printing machine comprises a heat insulation shell and a heat radiation plate fixed on the heat insulation shell, wherein a first side surface of the heat radiation plate is attached to and fixed with a heat radiation pipe, and the heat radiation pipe is embedded in the heat insulation shell. The radiating plate and the radiating pipe are mutually independent and then fixed, a channel for passing through a cooling medium does not need to be processed on the radiating plate, and the processing difficulty is reduced. Because the cooling plate does not need to process a channel, the cooling plate can be made thinner, and the cost is reduced. And when the radiating pipes pass through cooling media, the cooling media can take away heat on the cooling plates, and the cooling plates are attached to the spray heads during application, and the heat generated by the spray heads is transferred to the cooling media through the cooling plates, so that the spray heads are cooled. The heat insulation shell can prevent the radiating pipes from absorbing heat outside the radiating plate, so that the cooling medium in the radiating pipes can absorb heat on the radiating plate more, and the radiating effect is improved.

The heat insulation shell comprises a first side wall, a second side wall and a top wall connected with the first side wall and the second side wall, wherein the first side wall and the second side wall are both provided with a heat dissipation plate and a heat dissipation pipe, and the heat insulation shell is provided with an installation cavity with an opening facing downwards. Two heating panels of laminating in shower nozzle both sides are fixed through same insulating housing and are formed a whole, during the installation, only need establish cooling device cover to the shower nozzle can, easy dismounting is swift, and two heating panels need not additionally to fix on the shower nozzle through screw locking centre gripping.

The top wall is provided with a wiring through hole, the top of the heat insulation shell is covered with a cover body to shield the wiring through hole, and the side part of the cover body is provided with a wiring port. The cover body can block ink or other liquid which is dripped from the upper part, so that the liquid is prevented from dripping on the spray head to damage the spray head.

The wiring port comprises a cylindrical wire outlet and/or a flat wire outlet. The cooling device is provided with the cylindrical line outlet and the flat line outlet, and the corresponding line outlet can be used according to the shape of the outgoing line of the spray head, so that the universality of the cooling device is improved.

The side part of the cover body is provided with a fixing part protruding downwards, and the fixing part is provided with a clamping position for clamping with the heat insulation shell. The fixing part protrudes downwards, so that the fixing part is beneficial to deformation, and the cover body is convenient to assemble and disassemble.

The heat insulation shell is provided with radiating holes, and the radiating holes are staggered with the radiating pipes. When radiating through the coolant in the cooling tube, the position of heating panel and cooling tube contact is given priority and is radiated, and there is certain hysteresis quality in other positions of heating panel, and the position that the louvre is convenient for the heating panel not have with the cooling tube contact can dispel the heat better, improves the radiating effect.

The heat insulation shell is provided with a first interface and a second interface, and two ends of the radiating pipe are respectively butted with the first interface and the second interface. When the cooling device is applied, the pipeline connector can be connected with the first connector and the second connector, the sealing ring is arranged between the pipeline connector and the heat insulation shell, the corresponding pipeline is connected to the pipeline connector conveniently, the cooling device is connected to the refrigerator conveniently, and cooling medium circulation is realized to continuously cool the spray head. The pipeline joint and the sealing ring are matched with the heat insulation shell, so that heat of the radiating pipe is prevented from being directly transferred to the sealing ring and the pipeline joint, and the high temperature resistance requirements of the pipeline joint and the sealing ring are reduced.

According to the spray head cooling device of the digital printing machine, the radiating pipe is independent of the radiating plate, the radiating pipe can be formed by the independent heat pipe, a channel is not required to be processed on the radiating plate, the processing difficulty is reduced, the radiating plate can be made thinner, the material consumption of the radiating plate is reduced, the heat-insulating shell can separate the radiating pipe from the heat conduction of the outside, the radiating pipe can better exchange heat with the radiating plate, the heat absorbed by a cooling medium in the radiating pipe is ensured to be mainly derived from the radiating plate, and the radiating effect of the radiating plate on the spray head is improved.

Drawings

FIG. 1 is a schematic view of a cooling device assembled on a spray head;

FIG. 2 is a schematic view of the cooling device before assembly to the spray head;

FIG. 3 is a schematic structural view of a cooling device;

FIG. 4 is a schematic view of a first angular cross-sectional configuration of a cooling device;

FIG. 5 is a schematic view of a second angular cross-sectional configuration of the cooling device;

fig. 6 is a schematic structural view of the cover.

The drawings are marked with the following description: 100. a heat insulating housing; 110. a first sidewall; 120. a second sidewall; 130. a top wall; 131. a wiring through hole; 140. an end side wall; 150. a relief groove; 160. a buckle; 170. a heat radiation hole; 180. a first interface; 190. a second interface; 200. a heat dissipation plate; 300. a heat radiating pipe; 400. a cover body; 410. a cylindrical wire outlet; 420. a flat wire outlet; 430. a fixing part; 440. a clamping groove; 500. a pipe joint; 510. a seal ring; 600. a spray head.

Detailed Description

The following detailed description of the embodiments of the present utility model is provided with reference to the accompanying drawings, so that the technical scheme of the present utility model can be understood and mastered more easily. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The embodiment provides a digital printing machine nozzle cooling device, as shown in fig. 1-5, which comprises a heat insulation shell 100 and a heat radiation plate 200 fixed on the heat insulation shell 100, wherein a first side surface of the heat radiation plate 200 is attached to and fixed with a heat radiation pipe 300, and the heat radiation pipe 300 is embedded in the heat insulation shell 100. The heat dissipation plate 200 and the heat dissipation pipe 300 are fixed after being processed independently, so that a channel for passing a cooling medium is not required to be processed on the heat dissipation plate 200, and the processing difficulty is reduced. Since the heat dissipation plate 200 does not need to process a passage, the heat dissipation plate 200 can be made thinner, and the cost can be reduced. The cooling tube 300 is attached to the cooling plate 200, so that heat conduction is conducted between the cooling tube 300 and the cooling plate 200, when the cooling tube 300 passes through cooling medium, the cooling medium can take away heat on the cooling plate 200, the second side of the cooling plate 200 is attached to the spray head 600 when the cooling plate is applied, and heat generated by the spray head 600 is transferred to the cooling medium through the cooling plate 200, so that cooling of the spray head 600 is realized. The heat insulating housing 100 can block the heat radiating pipe 300 from absorbing heat outside the heat radiating plate 200, so that the cooling medium in the heat radiating pipe 300 can absorb more heat on the heat radiating plate 200, and the heat radiating effect is improved. Both the heat radiating plate 200 and the heat radiating pipe 300 may be made of copper.

As shown in fig. 3 and 5, the heat insulating housing 100 includes first and

second sidewalls

110 and 120 and a top wall 130 connecting the first and

second sidewalls

110 and 120, and a heat radiating plate 200 and a heat radiating pipe 300 are provided on each of the first and

second sidewalls

110 and 120, and the heat insulating housing 100 has a mounting cavity opened downward. Two heating panels 200 attached to two sides of the spray head 600 are respectively attached to and fixed on the first side wall 110 and the second side wall 120, the two heating panels 200 are fixed to form a whole through the same heat insulation shell 100, and when the spray head 600 is installed, only the cooling device is required to be sleeved on the spray head 600, the disassembly and the assembly are convenient, and the two heating panels 200 are not required to be additionally fixed to the spray head 600 through screw locking and clamping. In other alternative embodiments, the first and

second side walls

110, 120 may be integrally connected directly by the end side walls 140 without the top wall 130.

As shown in fig. 1, 2, 3 and 6, a wiring through hole 131 is formed in the top wall 130, a cover 400 is provided on the top of the heat insulation housing 100 to cover the wiring through hole 131, and a wiring port is formed in the side of the cover 400. The cover 400 can block ink or other liquid dropped from above, and prevent the liquid from dropping onto the head 600 to damage the head 600.

As shown in fig. 1 and 6, the wire connection port includes a cylindrical wire outlet 410 and a flat wire outlet 420. And the cylindrical wire outlet 410 and the flat wire outlet 420 are provided, so that the corresponding wire outlet can be used according to the shape of the outgoing wire of the spray head 600, and the universality of the cooling device is improved. The cover 400 has a convex portion protruding outward on a side wall thereof to form a flat wire outlet 420. In other alternative embodiments, the wire connection port may also include only the cylindrical wire outlet 410 or the flat wire outlet 420.

As shown in fig. 1 and 6, the side portion of the cover 400 has a fixing portion 430 protruding downward, and the fixing portion 430 is provided with a locking position to be locked with the heat insulation housing 100. The fixing portion 430 protrudes downward to facilitate deformation of the fixing portion 430, and facilitate disassembly and assembly of the cover 400. The heat insulation shell 100 is provided with a yielding groove 150, the fixing part 430 is embedded into the yielding groove 150 so that the cover body 400 is flush with the outer wall of the heat insulation shell 100, the clamping position on the fixing part 430 is a clamping groove 440, the heat insulation shell 100 is provided with a buckle 160, and the buckle 160 and the clamping groove 440 are matched to realize the clamping connection of the cover body 400 and the heat insulation shell 100. In other alternative embodiments, the cover 400 may be removably secured to the insulated housing 100 by screws.

As shown in fig. 1, 3 and 4, the heat insulating housing 100 has heat radiating holes 170, and the heat radiating holes 170 are offset from the heat radiating pipes 300. When the cooling medium in the cooling tube 300 is used for cooling, the position where the cooling plate 200 contacts with the cooling tube 300 is subjected to preferential cooling, certain hysteresis exists at other positions of the cooling plate 200, and the cooling holes 170 facilitate better cooling at the position where the cooling plate 200 does not contact with the cooling tube 300, so that the cooling effect is improved.

As shown in fig. 3 and 4, the heat insulation housing 100 has a first connector 180 and a second connector 190, and both ends of the radiating pipe 300 are respectively abutted on the first connector 180 and the second connector 190. In application, the first connector 180 and the second connector 190 may be connected to the pipe joint 500, and a sealing ring 510 is provided between the pipe joint 500 and the heat insulation housing 100, so that a corresponding pipe is connected to the pipe joint 500, so that the cooling device is connected to the refrigerator, and cooling medium circulation is realized to continuously cool the spray head 600. The pipe joint 500 and the sealing ring 510 are matched with the heat insulation shell 100, so that heat of the radiating pipe 300 is prevented from being directly transferred to the sealing ring 510 and the pipe joint 500, and the high temperature resistance requirements of the pipe joint 500 and the sealing ring 510 are reduced.

In this embodiment, there are two heat dissipation plates 200 and two heat dissipation pipes 300, corresponding to the two first interfaces 180 and the second interfaces 190. The two radiating pipes 300 may be connected in series through a pipe line, or may be connected in parallel to the same cooling pipe line through a three-way structure.

Claims

1. The spray head cooling device of the digital printing machine is characterized by comprising a heat insulation shell (100) and a heat radiation plate (200) fixed on the heat insulation shell (100), wherein a first side surface of the heat radiation plate (200) is attached to and fixed with a heat radiation pipe (300), and the heat radiation pipe (300) is embedded in the heat insulation shell (100).

2. The digital printing machine nozzle cooling device according to claim 1, wherein the heat insulation housing (100) comprises a first side wall (110) and a second side wall (120) and a top wall (130) connecting the first side wall (110) and the second side wall (120), the first side wall (110) and the second side wall (120) are both provided with a heat radiation plate (200) and a heat radiation pipe (300), and the heat insulation housing (100) is provided with a mounting cavity with an opening facing downwards.

3. The spray head cooling device of the digital printing machine according to claim 2, wherein a wiring through hole (131) is formed in the top wall (130), a cover body (400) is covered on the top of the heat insulation shell (100) to cover the wiring through hole (131), and a wiring port is formed in the side portion of the cover body (400).

4. A digital printer head cooling device according to claim 3, characterized in that the wiring port comprises a cylindrical wire outlet (410) and/or a flat wire outlet (420).

5. A digital printing machine nozzle cooling device according to claim 3, characterized in that the side of the cover body (400) is provided with a fixing part (430) protruding downwards, and the fixing part (430) is provided with a clamping position to be clamped with the heat insulation shell (100).

6. The digital printer head cooling device according to any one of claims 1 to 4, wherein the heat insulation housing (100) is provided with heat dissipation holes (170), and the heat dissipation holes (170) are staggered with respect to the heat dissipation tubes (300).

7. The digital printer head cooling device according to any one of claims 1 to 4, wherein the heat insulation housing (100) is provided with a first interface (180) and a second interface (190), and two ends of the radiating pipe (300) are respectively abutted on the first interface (180) and the second interface (190).