Base assembly and digital printing equipment
By integrating a drying device below the printing platform and adopting a dual drying unit and hot air nozzle design, the problem of large size of digital printing equipment is solved, and the miniaturization of the equipment and optimization of space utilization are achieved.
Patent Information
- Application Number
- CN202520154428.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-01-23
AI Technical Summary
Existing digital printing equipment is bulky and occupies a lot of space because the drying unit and printing platform are set up separately.
The drying unit is integrated under the printing platform, with dual drying units and hot air nozzles. The media inlet and outlet are set on the same side. Combined with the roller and partition design, it forms a compact overall structure. The printing platform and drying unit are integrated on the frame by utilizing the space under the printing platform.
It achieves a powerful drying effect on the printing media, reduces the space occupied by the equipment, has a compact structure, and lowers the overall size of the equipment.
Smart Images
Figure CN223631252U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to digital printing field, especially relate to a base assembly and digital printing equipment. BACKGROUND
[0002] Digital printing equipment needs to dry and fix color after high speed printing, the existing digital printing equipment needs to set up drying device behind printing platform because of fast printing medium conveying speed in printing, that is, drying device is set separately with printing platform, so that the walking path of printing medium in drying device can be infinitely lengthened to guarantee that printing medium meets drying demand after coming out of drying device, but the drying device of this structure is usually very large to make printing medium have enough space to set up required drying length, so that the whole digital printing equipment is very large, which leads to large space occupation. SUMMARY
[0003] The base assembly provided by the utility model aims at solving the problem of large space occupation caused by large volume of digital printing equipment in the prior art.
[0004] The utility model is realized in this way, a base assembly, comprising:
[0005] Frame, top is equipped with printing platform;
[0006] Drying device, be located the below of printing platform on frame, drying device is equipped with first drying cavity and with first drying cavity intercommunication medium inlet and medium outlet, medium inlet and medium outlet same side setting and adjacent to the output end of printing platform, first drying cavity is equipped with a plurality of drying units to a plurality of hot air nozzles, a plurality of drying units and a plurality of hot air nozzles are arranged along printing medium path to dry printing medium;
[0007] Hot air source, be located on frame and with hot air nozzle intercommunication, to provide heat source for hot air nozzle.
[0008] Further, the first drying cavity is provided with a roller, and a medium winding path is formed between the medium inlet and the roller and between the roller and the medium outlet.
[0009] Further, the drying device further comprises a driving member for driving the roller to rotate.
[0010] Further, the drying device is provided with a first partition plate along the medium winding path, the drying unit and the air suction nozzle are arranged on one side of the first partition plate facing the roller, the first partition plate on the side facing the roller forms a first drying cavity with the outer wall of the drying device, the first partition plate on the side away from the roller forms a first hot air cavity with the outer wall of the drying device, the hot air source is communicated with the first hot air cavity, and the air inlet of the air suction nozzle is communicated with the first hot air cavity.
[0011] Further, the rack is provided with a chamber on the side of the drying device located at the output end of the printing platform, the chamber is provided with a second drying cavity, a plurality of drying units and a plurality of air suction nozzles are arranged in the second drying cavity along the medium path, and the second drying cavity is communicated with the medium inlet and the medium outlet.
[0012] Further, the chamber is provided with a second partition plate, the drying unit and the air suction nozzle are arranged on one side of the second partition plate facing the medium, the second partition plate on the side facing the medium forms the second drying cavity with the cavity wall of the chamber, the second partition plate on the side away from the medium forms a second hot air cavity with the cavity wall of the chamber, the second hot air cavity is communicated with the first hot air cavity, and the air inlet of the air suction nozzle located in the second drying cavity is communicated with the second hot air cavity.
[0013] Further, the hot air source comprises an air inlet pipe connected with the drying device, and the second drying cavity is communicated with the air inlet pipe.
[0014] Further, the printing platform comprises a plurality of conveying rollers, and the conveying rollers are arranged on the rack to form the printing platform along the conveying direction of the printing medium.
[0015] Further, the top wall of the drying device is provided with a heat insulation cavity, and the cavity wall of the heat insulation cavity is attached with heat insulation material.
[0016] The utility model further provides a digital printing equipment, including preceding base subassembly.
[0017] The beneficial effects achieved by the utility model are that a plurality of drying units and a plurality of hot air nozzles are arranged in the drying device to perform double drying on the printing medium, so that the printing medium can be strongly and effectively dried, the medium inlet and the medium outlet of the drying device are arranged on the same side and located at the output end of the printing platform, so that the path of the printing medium entering the drying device from the medium inlet and then coming out from the medium outlet is maximized, on the basis of which, the drying device can be arranged on the rack and located below the printing platform, the space below the printing platform is reasonably utilized, and the printing platform and the drying device are integrally arranged on the rack to form a whole, the printing platform and the drying device can also be used as part of the base of the digital printing equipment, so that the whole structure is more compact and miniaturized, thereby reducing the space occupation of the whole equipment. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is the external structure diagram of the base assembly provided by the utility model;
[0019] Figure 2 is the sectional view of the base assembly provided by the utility model;
[0020] Figure 3 is Figure 2 is the enlarged view of A in the figure;
[0021] Figure 4 is another external structure diagram of the base assembly provided by the utility model;
[0022] Figure 5 is still another external structure diagram of the base assembly provided by the utility model.
[0023] BRIEF DESCRIPTION OF DRAWINGS
[0024] 1, rack; 2, printing platform; 21, conveying roller; 3, drying device; 31, first drying cavity; 32, medium inlet; 33, medium outlet; 34, first baffle; 35, first hot air cavity; 351, first air port; 352, second air port; 36, heat insulation cavity; 4, drying unit; 5, hot air nozzle; 6, hot air source; 61, air outlet pipe; 62, heating bag; 63, fan; 64, air inlet pipe; 7, roller; 8, chamber; 81, second drying cavity; 811, fourth air port; 82, second baffle; 83, second hot air cavity; 831, third air port; 100, printing medium; 200, first pipeline; 300, second pipeline. DETAILED DESCRIPTION
[0025] In order to make the utility model purposes, technical schemes and advantages more clearly, the following will be further described in detail with the drawings and examples.
[0026] Referring to Figures 1-3 The base assembly provided by the utility model is applied to a digital printing equipment, and the base assembly comprises a rack 1, a drying device 3 and a hot air source 6, wherein the top of the rack 1 is provided with a printing platform 2, the drying device 3 is arranged on the rack 1 and below the printing platform 2, the drying device 3 is provided with a first drying cavity 31 and a medium inlet 32 and a medium outlet 33 communicated with the first drying cavity 31, the medium inlet 32 and the medium outlet 33 are arranged on the same side and adjacent to the output end of the printing platform 2, a plurality of drying units 4 and a plurality of hot air nozzles 5 are arranged in the first drying cavity 31, the plurality of drying units 4 and the plurality of hot air nozzles 5 are arranged along the path of the printing medium 100 to dry the printing medium 100, and the hot air source 6 is arranged on the rack 1 and communicated with the hot air nozzles 5 to provide the hot air nozzles 5 with a heat source.
[0027] The plurality of drying units 4 and the plurality of hot air nozzles 5 are arranged in the drying device 3 to double-dry the printing medium 100, so that the printing medium 100 can be strongly dried, the medium inlet 32 and the medium outlet 33 of the drying device 3 are arranged on the same side and located at the output end of the printing platform 2, so that the path of the printing medium 100 entering the drying device 3 from the medium inlet 32 and then coming out of the medium outlet 33 is maximized, based on the premise, the drying device 3 can be arranged on the rack 1 and below the printing platform 2, the space below the printing platform 2 is reasonably utilized, and the printing platform 2 and the drying device 3 are integrally arranged on the rack 1 to form a whole, the printing platform 2 and the drying device 3 can also be used as part of the base of the digital printing equipment, so that the whole structure is more compact and miniaturized, thereby reducing the space occupation of the whole equipment.
[0028] The base assembly provided by the utility model can integrate the drying device 3 and the printing platform 2 on the rack 1 to form a whole, so that the structure is compact and small in size, and the space occupation of the whole equipment can be reduced.
[0029] Specifically, the plurality of drying units 4 and the plurality of hot air nozzles 5 can be staggered along the medium winding path, so that the printing medium 100 can be baked and blown by the drying units 4 at the same time in the same area, and the drying effect is better.
[0030] Referring to Figure 1 , Figure 2 , Figure 5Specifically, the hot air source 6 comprises an air outlet pipe 61 communicating with a first hot air cavity 35, and a fan 63 arranged behind a heating bag 62 on the air outlet pipe 61, the fan 63 blowing on the heating bag 62 so that the hot air generated enters the first hot air cavity 35 from the air outlet pipe 61.
[0031] In the embodiment, the drying unit 4 can not be limited to an infrared lamp.
[0032] Referring to Figure 2 Further, the first drying cavity 31 is provided with the roller 7, and the medium inlet 32 and the medium outlet 33 are arranged on the medium winding path. The single roller 7 and the medium inlet 32 and the medium outlet 33 form the medium winding path, which can reduce the contact points of the printing medium 100. Compared with the traditional method of arranging multiple rollers on the medium path and contacting the printing medium 100 to form transmission, the design can avoid the phenomenon of multiple points of the printing medium 100 contacting the roller 7 to generate multiple pulling phenomena between them, thereby maximizing the original tension of the printing medium 100 and avoiding reducing the printing effect.
[0033] Further, the drying device 3 further comprises a driving member (not shown in the figure) for driving the roller 7 to rotate. The driving member drives the roller 7 to rotate, which can overcome the gravity of the roller 7 and reduce the load of the printing medium 100 when the printing medium 100 contacts the roller 7, thereby avoiding the pulling phenomenon of the roller 7 to the printing medium 100 and improving the printing effect. In the embodiment, the driving member can be but not limited to a motor, and the power of the motor can be selected to be small, which only needs to slightly drive the roller to rotate to overcome the resistance caused by the gravity.
[0034] Referring to Figure 2 Further, the first partition plate 34 is arranged along the medium winding path in the drying device 3, that is, the shape of the first partition plate 34 is matched with the medium winding path, the drying unit 4 and the hot air nozzle 5 are arranged on the side of the first partition plate 34 facing the roller 7, the side of the first partition plate 34 facing the roller 7 and the outer wall of the drying device 3 form the first drying cavity 31, the side of the first partition plate 34 away from the roller 7 and the outer wall of the drying device 3 form the first hot air cavity 35, the hot air source 6 communicates with the first hot air cavity 35, and the air inlet of the hot air nozzle 5 communicates with the first hot air cavity 35. The first partition plate 34 is arranged to separate the drying device 3 into the first hot air cavity 35 and the first drying cavity 31, so that the hot air provided by the hot air source 6 can enter the first hot air cavity 35 connected thereto, a large amount of hot air is stored in the first hot air cavity 35, and the hot air is transported into the first drying cavity 31 through the air inlet of the hot air nozzle 5 to dry the printing medium 100, so that the hot air can be unidirectionally transported to the printing medium 100, thereby improving the drying effect and the drying efficiency.
[0035] Referring to Figure 2 , Figure 4 Specifically, the first hot air cavity 35 is provided with a first air port 351, the first air port 351 is communicated with the air outlet pipe 61 of the hot air source 6, and the hot air of the hot air source 6 enters the first hot air cavity 35 from the air outlet pipe 61.
[0036] Further, the rack 1 is provided with a cavity 8 at the side of the drying device 3 located at the output end of the printing platform 2, the cavity 8 is provided with a second drying cavity 81, a plurality of drying units 4 and a plurality of hot air nozzles 5 are arranged along the medium path in the second drying cavity 81, and the second drying cavity 81 is communicated with the medium inlet 32 and the medium outlet 33. By arranging the cavity 8 and arranging a plurality of drying units 4 and a plurality of hot air nozzles 5 along the medium path in the cavity 8, the space between the output end of the printing platform 2 and the drying device can be effectively utilized to pre-dry the printing medium 100, thereby avoiding space waste and improving the drying effect of the printing medium 100.
[0037] In the embodiment, the plurality of drying units 4 and the plurality of hot air nozzles 5 in the cavity 8 can also be staggered to improve the drying effect.
[0038] Further, the cavity 8 is provided with a second partition plate 82, the drying units 4 and the hot air nozzles 5 are arranged on the side of the second partition plate 82 facing the medium, the side of the second partition plate 82 facing the medium forms the second drying cavity 81 with the cavity wall of the cavity 8, the side of the second partition plate 82 away from the medium forms the second hot air cavity 83 with the cavity wall of the cavity 8, the second hot air cavity 83 is communicated with the first hot air cavity 35, and the air inlet of the hot air nozzle 5 located in the second drying cavity is communicated with the second hot air cavity 83. In this way, by communicating the second hot air cavity 83 with the first hot air cavity 35, the same hot air source 6 can be used to supply hot air to the second hot air cavity 83, thereby simplifying the structure and reducing the cost.
[0039] Referring to Figure 2 , Figure 5 Specifically, the first hot air cavity 35 is further provided with a second air port 352, the second hot air cavity 83 is provided with a third air port 831, and the second air port 352 and the third air port 831 are communicated by the first pipeline 200.
[0040] Referring to Figure 5Further, the hot air source 6 comprises an air inlet pipe 64 connected with the drying device 3, that is, after the air inlet pipe 64 is connected with the drying device 3, air can be supplemented to the hot air source 6 through the gap of the drying device 3 except the first drying cavity 31 and the first hot air source 6, for example, but not limited to, the air inlet is formed by the communication between the medium inlet 32 and / or the medium outlet 33, so as to form a complete air flow path, the second drying cavity 81 is communicated with the air inlet pipe 64, and thus the hot air after drying the printing medium 100 in the first drying cavity 31 from the first hot air cavity 35, entering the first drying cavity 31 from the medium inlet 32 and the medium outlet 33, and drying the printing medium 100 in the second drying cavity 81 from the second hot air cavity 83, can be recycled to the air inlet pipe 64 together with the cold air and transported to the air outlet pipe 61 by the fan 63, so as to realize the recycling of the hot air, avoid the waste of heat energy, and save energy and reduce cost.
[0041] Referring to Figure 2 、 Figure 5 Specifically, the second drying cavity is provided with a fourth air port 811, and the fourth air port 811 is communicated with the air inlet pipe 64 through a second pipe 300.
[0042] Specifically, the printing platform 2 comprises a plurality of conveying rollers 21, and the plurality of conveying rollers 21 are arranged on the rack 1 in the conveying direction of the printing medium 100 to form the printing platform 2. By directly fixing the plurality of conveying rollers 21 on the rack 1 to form the printing platform 2, the material cost of the bottom plate of the printing platform 2 can be saved, and the structure of the printing platform 2 and the rack 1 is more compact and stable.
[0043] Further, the top wall of the drying device 3 is provided with a heat insulation cavity 36, and the cavity wall of the heat insulation cavity 36 is attached with heat insulation material, which can be but is not limited to glass fiber, asbestos and the like. The heat insulation cavity 36 can prevent the temperature of the drying device 3 from penetrating to the printing platform 2, thereby affecting the required temperature during printing and avoiding affecting the printing effect of the printing platform 2.
[0044] Further, in order to improve the heat insulation effect, the heat insulation cavity 36 can also be filled with heat insulation material, such as heat insulation cotton.
[0045] The utility model embodiment further provides a digital printing equipment, including preceding base assembly.
[0046] The digital printing equipment provided by the utility model can integrate the drying device 3 and the printing platform 2 on the rack 1 to form a whole, and the structure is compact and the volume is small, so that the space occupation of the whole equipment can be reduced.
[0047] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A base assembly characterized by, include: The frame has a printing platform on top; A drying device is provided on the frame and located below the printing platform. The drying device has a first drying chamber and a media inlet and a media outlet communicating with the first drying chamber. The media inlet and the media outlet are located on the same side and are close to the output end of the printing platform. The first drying chamber is provided with a plurality of drying units and a plurality of hot air nozzles. The plurality of drying units and the plurality of hot air nozzles are arranged along the printing media path to dry the printing media. A hot air source is located on the frame and connected to the hot air nozzle to provide heat to the hot air nozzle.
2. The base assembly of claim 1, wherein, The first drying chamber is equipped with a drum, and a medium winding path is formed between the medium inlet and the drum and between the drum and the medium outlet.
3. The base assembly of claim 2, wherein, The drying apparatus also includes a drive unit for driving the drum to rotate.
4. The base assembly of claim 2, wherein, The drying device has a first partition plate arranged along the path of the medium. The drying unit and the suction nozzle are arranged on the side of the first partition plate facing the drum. The side of the first partition plate facing the drum and the outer wall of the drying device form a first drying chamber. The side of the first partition plate away from the drum and the outer wall of the drying device form a first hot air chamber. The hot air source is connected to the first hot air chamber, and the air inlet of the suction nozzle is connected to the first hot air chamber.
5. The base assembly of claim 4, wherein, The frame has a chamber on the side of the drying device located at the output end of the printing platform. The chamber has a second drying chamber. The second drying chamber has several drying units and several hot air nozzles arranged along the media path. The second drying chamber is connected to the media inlet and the media outlet.
6. The base assembly of claim 5, wherein, The chamber is provided with a second partition. The drying unit and the hot air nozzle are arranged on the side of the second partition facing the medium. The side of the second partition facing the medium and the chamber wall form a second drying chamber. The side of the second partition away from the medium and the chamber wall form a second hot air chamber. The second hot air chamber is connected to the first hot air chamber. The air inlet of the suction nozzle located in the second drying chamber is connected to the second hot air chamber.
7. The base assembly of claim 5, wherein, The hot air source includes an air inlet pipe, which is connected to the drying device, and the second drying chamber is connected to the air inlet pipe.
8. The base assembly of claim 1, wherein, The printing platform includes a plurality of conveying rollers, which are spaced apart on the frame along the printing medium conveying direction to form the printing platform.
9. The base assembly of claim 1, wherein, The top wall of the drying device is provided with a heat insulation cavity, and the cavity wall is lined with heat insulation material.
10. A digital printing apparatus characterized by comprising: Includes the base assembly as described in any one of claims 1-9.