LED-UV cold light source curing device of double-sided jet printing UV printer
By using a combination of thermal grease, heat exchange copper sheet and heat exchange fin in UV printers, combined with a coolant circulation cooling system, the problem of overheating and damage to UVLED curing lamps in summer is solved, and the equipment is efficiently cooled and extended service life is achieved.
Patent Information
- Application Number
- CN202421776980.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-25
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-07-25
AI Technical Summary
During use in summer, UVLED curing lamps will emit a lot of heat, causing overheating and damage, affecting the normal use of UV printers.
A LED-UV cold light source curing device for double-sided printing UV printers is designed, and the UVLED curing lamp is cooled through a coolant circulation cooling system using a combination of thermal grease, heat exchange copper sheet and heat exchange fin.
It effectively reduces the temperature of UVLED curing lamps, extends the service life of the equipment, and ensures the normal operation of the UV printer in summer.
Smart Images

Figure CN223001274U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of UV printers, in particular to an LED-UV cold light source curing device for a double-sided printing UV printer. Background Art
[0002] A UV printer is a high-tech full-color digital printing machine without plate-making. It is not restricted by materials and can perform color photo-level printing on the surfaces of T-shirts, sliding doors, cabinet doors, sliding doors, glass, plates, various signs, crystals, PVC, acrylic, metals, plastics, stones, leathers, etc. It can complete printing without plate-making at one time, with bright and rich colors, wear resistance, ultraviolet resistance, simple and convenient operation, fast printing image speed, and fully meeting the industrial printing standards;
[0003] Among them, uvled curing lamps have gradually replaced traditional mercury lamps in the field of uv printers in recent years and become new curing devices. In summer, during the use of uvled curing lamps, a large amount of heat will be dissipated, affecting normal use and causing the problem of overheating and damage of uvled curing lamps. Summary of the Utility Model
[0004] To solve the above problems, the utility model proposes an LED-UV cold light source curing device for a double-sided printing UV printer. This technical solution solves the problem that in summer, during the use of uvled curing lamps, a large amount of heat will be dissipated, affecting normal use and causing the problem of overheating and damage of uvled curing lamps as mentioned in the above background art.
[0005] To achieve the above object, an LED-UV cold light source curing device for a double-sided printing UV printer provided by the utility model includes a UV printer. A protection frame is provided at the printing part of the UV printer. Multiple connecting pieces are fixedly connected to the inner wall of the protection frame. An irradiation port is opened on the surface of the printing part of the UV printer. A UVLED curing lamp is fixedly connected to the surface of the protection frame;
[0006] A cooling part is provided on the surface of the UVLED curing lamp. A thermal conductive silicone grease is provided between the cooling part and the UVLED curing lamp. The cooling part includes a heat exchange shell, an opening opened on the surface of the heat exchange shell, a heat exchange copper sheet fixedly connected to the inner wall of the opening, and multiple heat exchange fins fixedly connected to the surface of the heat exchange copper sheet. The thermal conductive silicone grease is in contact with one side of the heat exchange copper sheet;
[0007] A cooling liquid supply mechanism for cooperating with the cooling part is fixedly connected to the surface of the protection frame.
[0008] Optionally, the cooling liquid supply mechanism includes a circulating cooling tank fixedly connected to the surface of the protection frame, a heat dissipation port opened on the surface of the circulating cooling tank, a filter member fixedly connected to the inner wall of the heat dissipation port, a partition fixedly connected to the inner wall of the circulating cooling tank, an installation port opened on the surface of the partition, a copper shell fixedly connected to the inner wall of the installation port, a semiconductor refrigeration sheet fixedly connected to the inner wall of the copper shell, multiple heat dissipation fans fixedly connected to the heating end of the semiconductor refrigeration sheet, multiple cooling copper sheets fixedly connected to the surface of the copper shell, and an infusion member fixedly connected to the inner wall of the circulating cooling tank;
[0009] The inside of the circulating cooling tank is provided with a coolant.
[0010] Optionally, the filter member includes a filter net fixedly connected to the inner wall of the heat dissipation port and filter cotton fixedly connected to the inner surface of the heat dissipation port.
[0011] Optionally, the infusion member includes a sealing frame fixedly connected to the inner surface of the circulating cooling tank, a water pump fixedly connected to the inside of the sealing frame, a transfer pipe fixedly connected to the input end of the water pump, and a cooling pipe fixedly connected to the output end of the water pump;
[0012] The surface of the circulating cooling tank is fixedly connected to a circulating pipe, one end of the cooling pipe communicates with the heat exchange shell, and one end of the circulating pipe is connected to the heat exchange shell.
[0013] Optionally, multiple groups of support members are fixedly connected to the bottom of the UV printer;
[0014] The support member includes a support column fixedly connected to the bottom of the UV printer and a gasket fixedly connected to one side of the support column.
[0015] Optionally, the connecting member includes a clamping block fixedly connected to the inner surface of the protection frame, multiple clamping protrusions fixedly connected to the surface of the clamping block, a clamping shell fixedly connected to the surface of the UV printer, and a clamping groove opened on the inner surface of the clamping shell.
[0016] Optionally, a liquid adding pipe is fixedly connected to the surface of the circulating cooling tank, and a sealing cover is threadedly connected to the surface of the liquid adding pipe.
[0017] Optionally, an air exhaust port is opened on the surface of the protection frame, an exhaust fan is fixedly connected to the inner wall of the air exhaust port, and a filter frame for cooperating with the exhaust fan is fixedly connected to one end of the protection frame.
[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0019] This application is reasonably combined. When the UV printer is used in summer, the UV LED curing lamp irradiates the printed product through the irradiation port to cure the printed pattern by irradiation. Then, the cooling liquid enters the heat exchange shell through the cooling liquid supply mechanism. After that, the heat generated by the UV LED curing lamp is brought into contact with the cooling liquid through thermal conductive silicone grease, heat exchange copper sheets and heat exchange fins to cool the heat. In addition, by making the cooling liquid flow back to the cooling liquid supply mechanism, the cooling liquid is cooled. In summary, the UV LED curing lamp is cooled in a cycle.
[0020] For better understanding and implementation, the present utility model will be described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 is a schematic three-dimensional structure diagram of the present utility model Figure 1 ;
[0022] Figure 2 is a schematic three-dimensional structure diagram of the present utility model Figure 2 ;
[0023] Figure 3 is a schematic partial sectional structure diagram of the protection frame of the present utility model;
[0024] Figure 4 is a schematic sectional structure diagram of the circulation cooling box of the present utility model.
[0025] In the figure: 1. UV printer; 2. Protection frame; 3. Circulation cooling box; 4. Filter element; 401. Filter net; 402. Filter cotton; 5. Sealing cover; 6. Circulation pipe; 7. Exhaust fan; 8. Cooling pipe; 9. Support member; 10. Filter frame; 11. Cooling member; 1101. Heat exchange shell; 1102. Heat exchange copper sheet; 1103. Heat exchange fin; 12. UV LED curing lamp; 13. Irradiation port; 14. Clamping shell; 15. Clamping block; 16. Clamping convex block; 17. Partition board; 18. Copper shell; 19. Heat dissipation fan; 20. Semiconductor refrigeration sheet; 21. Cooling copper sheet; 22. Sealing frame; 23. Water pump; 24. Transfer pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0027] Embodiment 1
[0028] Please refer to Figure 1 -Figure 4 , an LED-UV cold light source curing device for a double-sided inkjet UV printer provided by the utility model includes a UV printer 1. A protection frame 2 is provided at the printing position of the UV printer 1. A plurality of connecting pieces are fixedly connected to the inner wall of the protection frame 2. An irradiation port 13 is opened on the surface of the printing position of the UV printer 1. A UVLED curing lamp 12 is fixedly connected to the surface of the protection frame 2;
[0029] A cooling member 11 is provided on the surface of the UVLED curing lamp 12. There is a thermal conductive silicone grease between the cooling member 11 and the UVLED curing lamp 12. The cooling member 11 includes a heat exchange shell 1101, an opening opened on the surface of the heat exchange shell 1101, a heat exchange copper sheet 1102 fixedly connected to the inner wall of the opening, and a plurality of heat exchange fins 1103 fixedly connected to the surface of the heat exchange copper sheet 1102. The thermal conductive silicone grease is in contact with one side of the heat exchange copper sheet 1102;
[0030] A cooling liquid supply mechanism cooperating with the cooling member 11 is fixedly connected to the surface of the protection frame 2.
[0031] When the UV printer 1 is used in summer, the printed product is irradiated through the irradiation port 13 by the UVLED curing lamp 12 to cure the printed pattern. The cooling liquid is made to enter the heat exchange shell 1101 through the cooling liquid supply mechanism. After that, the heat generated by the UVLED curing lamp 12 is brought into contact with the cooling liquid through the thermal conductive silicone grease, the heat exchange copper sheet 1102 and the heat exchange fins 1103 to cool the heat. Then the cooling liquid flows back to the cooling liquid supply mechanism to cool the cooling liquid. In summary, the UVLED curing lamp 12 is cooled in a cycle.
[0032] Further, the cooling liquid supply mechanism includes a circulating cooling tank 3 fixedly connected to the surface of the protection frame 2, a heat dissipation port opened on the surface of the circulating cooling tank 3, a filtering member 4 fixedly connected to the inner wall of the heat dissipation port, a partition 17 fixedly connected to the inner wall of the circulating cooling tank 3, an installation port opened on the surface of the partition 17, a copper shell 18 fixedly connected to the inner wall of the installation port, a semiconductor refrigeration sheet 20 fixedly connected to the inner wall of the copper shell 18, a plurality of heat dissipation fans 19 fixedly connected to the heating end of the semiconductor refrigeration sheet 20, a plurality of cooling copper sheets 21 fixedly connected to the surface of the copper shell 18, and an infusion member fixedly connected to the inner wall of the circulating cooling tank 3;
[0033] Cooling liquid is provided inside the circulating cooling tank 3;
[0034] The infusion member includes a sealing frame 22 fixedly connected to the inner surface of the circulating cooling tank 3, a water pump 23 fixedly connected to the inside of the sealing frame 22, a transfer pipe 24 fixedly connected to the input end of the water pump 23, and a cooling pipe 8 fixedly connected to the output end of the water pump 23;
[0035] The surface of the circulating cooling box 3 is fixedly connected to the circulating pipe 6. One end of the cooling pipe 8 is communicated with the heat exchange shell 1101, and one end of the circulating pipe 6 is connected to the heat exchange shell 1101.
[0036] The surface of the circulating cooling box 3 is fixedly connected with a liquid adding pipe, and a sealing cover 5 is threadedly connected to the surface of the liquid adding pipe.
[0037] Specifically, by opening the sealing cover 5, the circulating cooling box 3 is filled with coolant through the liquid adding pipe. The coolant is cooled by the refrigerating surface of the semiconductor refrigeration sheet 20 through the copper shell 18 and the cooling copper sheet 21. Then, the coolant enters the heat exchange shell 1101 through the water pump 23 via the transfer pipe 24 and the cooling pipe 8. The heat generated by the UVLED curing lamp 12 is brought into contact with the coolant through thermal conductive silicone grease, the heat exchange copper sheet 1102 and the heat exchange fins 1103 to cool the heat. Then, the coolant re-enters the circulating cooling box 3 through the circulating pipe 6 on the other side of the heat exchange shell 1101, and the coolant is cooled by the above-mentioned semiconductor refrigeration sheet 20. The heat dissipation fan 19 dissipates heat from the heating end of the semiconductor refrigeration sheet 20.
[0038] Furthermore, the filtering member 4 includes a filter net 401 fixedly connected to the inner wall of the heat dissipation opening and a filter cotton 402 fixedly connected to the inner surface of the heat dissipation opening.
[0039] Specifically, the filter net 401 and the filter cotton 402 are used to filter the dust in the air.
[0040] Furthermore, a plurality of support members 9 are fixedly connected to the bottom of the UV printer 1;
[0041] The support member 9 includes a support column fixedly connected to the bottom of the UV printer 1 and a gasket fixedly connected to one side of the support column.
[0042] Specifically, the UV printer 1 is supported and fixed by the support column and the gasket.
[0043] Furthermore, the connecting member includes a clamping block 15 fixedly connected to the inner surface of the protection frame 2, a plurality of clamping protrusions 16 fixedly connected to the surface of the clamping block 15, a clamping shell 14 fixedly connected to the surface of the UV printer 1, and a clamping groove opened on the inner surface of the clamping shell 14.
[0044] Specifically, the clamping protrusion 16 is made of rubber. The clamping block 15 is inserted into the clamping shell 14, and the clamping protrusion 16 is inserted into the clamping groove on the inner wall of the clamping shell 14. Then, the protection frame 2 and the UV printer 1 are clamped together.
[0045] Embodiment 2
[0046] Based on Embodiment 1, this embodiment includes: an air outlet is provided on the surface of the protection frame 2, and an exhaust fan 7 is fixedly connected to the inner wall of the air outlet. One end of the protection frame 2 is fixedly connected with a filter frame 10 that cooperates with the exhaust fan 7, and a nylon filter screen is fixedly connected to the inner wall of the filter frame 10.
[0047] The exhaust fan 7 is used to discharge the hot gas inside the protection frame 2 through the air outlet. At the same time, the outside air enters the protection frame 2 through the filter frame 10, and the air is filtered by the nylon filter screen.
[0048] The above-disclosed are only the preferred embodiments of the present invention. Of course, the scope of the rights of the present invention cannot be limited thereby. Therefore, equivalent changes made according to the claims of the present invention still fall within the scope covered by the present invention.
Claims
1. A LED-UV cold light source curing device for a double-sided printing UV printer, characterized in that: The invention comprises a UV printer (1), wherein a protective frame (2) is provided at the printing position of the UV printer (1), a plurality of connecting parts are fixedly connected to the inner wall of the protective frame (2), an irradiation port (13) is provided on the surface of the printing position of the UV printer (1), and a UVLED curing lamp (12) is fixedly connected to the surface of the protective frame (2); A cooling member (11) is provided on the surface of the UVLED curing lamp (12); thermal conductive silicone grease is provided between the cooling member (11) and the UVLED curing lamp (12); the cooling member (11) comprises a heat exchange shell (1101), an opening provided on the surface of the heat exchange shell (1101), a heat exchange copper sheet (1102) fixedly connected to the inner wall of the opening, and a plurality of heat exchange fins (1103) fixedly connected to the surface of the heat exchange copper sheet (1102); the thermal conductive silicone grease is in contact with one surface of the heat exchange copper sheet (1102); A cooling liquid supply mechanism matching the cooling element (11) is fixedly connected to the surface of the protection frame (2).
2. The LED-UV cold light source curing device of a double-sided printing UV printer according to claim 1, characterized in that: The cooling liquid supply mechanism comprises a circulating cooling box (3) fixedly connected to the surface of the protection frame (2), a heat dissipation port provided on the surface of the circulating cooling box (3), a filter element (4) fixedly connected to the inner wall of the heat dissipation port, a partition (17) fixedly connected to the inner wall of the circulating cooling box (3), a mounting port provided on the surface of the partition (17), a copper shell (18) fixedly connected to the inner wall of the mounting port, a semiconductor cooling sheet (20) fixedly connected to the inner wall of the copper shell (18) and a plurality of heat dissipation fans (19) fixedly connected to the heating end of the semiconductor cooling sheet (20), a plurality of cooling copper sheets (21) fixedly connected to the surface of the copper shell (18) and an infusion element fixedly connected to the inner wall of the circulating cooling box (3); The circulating cooling box (3) is provided with cooling liquid inside.
3. The LED-UV cold light source curing device of a double-sided printing UV printer according to claim 2, characterized in that: The filter element (4) comprises a filter screen (401) fixedly connected to the inner wall of the heat dissipation port and filter cotton (402) fixedly connected to the inner surface of the heat dissipation port.
4. The LED-UV cold light source curing device of a double-sided printing UV printer according to claim 2, characterized in that: The infusion device comprises a sealing frame (22) fixedly connected to the inner surface of the circulating cooling box (3), a water pump (23) fixedly connected inside the sealing frame (22), a transfer pipe (24) fixedly connected to the input end of the water pump (23), and a cooling pipe (8) fixedly connected to the output end of the water pump (23); The surface of the circulating cooling box (3) is fixedly connected to the circulating pipe (6), one end of the cooling pipe (8) is connected to the heat exchange shell (1101), and one end of the circulating pipe (6) is connected to the heat exchange shell (1101).
5. The LED-UV cold light source curing device of a double-sided printing UV printer according to claim 1, characterized in that: The bottom of the UV printer (1) is fixedly connected to a plurality of groups of support members (9); The support member (9) comprises a support column fixedly connected to the bottom of the UV printer (1) and a gasket fixedly connected to one side of the support column.
6. The LED-UV cold light source curing device of a double-sided printing UV printer according to claim 1, characterized in that: The connecting member comprises a clamping block (15) fixedly connected to the inner surface of the protection frame (2), a plurality of clamping protrusions (16) fixedly connected to the surface of the clamping block (15), a clamping shell (14) fixedly connected to the surface of the UV printer (1), and a clamping groove formed on the inner surface of the clamping shell (14).
7. The LED-UV cold light source curing device of a double-sided printing UV printer according to claim 2, characterized in that: A liquid adding pipe is fixedly connected to the surface of the circulating cooling box (3), and a sealing cover (5) is threadedly connected to the surface of the liquid adding pipe.
8. The LED-UV cold light source curing device of a double-sided printing UV printer according to claim 1, characterized in that: An exhaust port is provided on the surface of the protection frame (2), an exhaust fan (7) is fixedly connected to the inner wall of the exhaust port, and a filter frame (10) matching the exhaust fan (7) is fixedly connected to one end of the protection frame (2).