Hot air box structure of digital printing machine

Abstract

The utility model discloses a digital printing machine hot air box structure which comprises a rack, a hot air box body, a reciprocating transmission assembly, an air supply assembly and a heating assembly, the reciprocating transmission assembly is coaxially arranged in the hot air box body, and the reciprocating transmission assembly is used for conveying printed materials in a left-right reciprocating mode; the air supply assembly is arranged on one side of the hot air box body in the length direction and used for continuously conveying air into the hot air box assembly. The heating assembly is arranged on the hot air box body and used for heating the interior of the hot air box body. The reciprocating transmission assembly is arranged in the hot air box body to convey printed materials, and the printed materials are dried back and forth from left to right; the drying duration is long, and the front face and the back face can be evenly dried; the paper path of the material in the drying oven is as long as possible, so that ink printed on the material is convenient to dry; meanwhile, the machine is compact in structure and small in size.

Description

TECHNICAL FIELD

[0001] The utility model relates to digital printing machine technical field mainly relates to a digital printing machine hot -blast stove structure. BACKGROUND

[0002] The drying air bellow of the printer can remove the moisture in the printing material by heating and circulating hot air, and reduce the influence of the surface effect and strength of the printed part due to material moisture absorption and dampness in the printing process. The drying air bellow can accelerate the drying speed of the printing material, and compared with natural drying, the printing material can be prepared more quickly by using the drying air bellow, and the work efficiency is improved. The hot -blast stove of the old structure is linear drying after printing, and the drying time is short. And the machine volume is relatively large, and the land space is large. SUMMARY

[0003] In view of the defects of the prior art, the utility model provides a digital printing machine hot -blast stove structure, which solves the technical problems of the hot -blast stove main part. The reciprocating transmission assembly is arranged in the inside, the printed material is conveyed through the reciprocating transmission assembly, and the drying is carried out from left to right. The drying duration is long, and the ink printed on the material is dried.

[0004] The technical problems solved by the utility model can be solved by the following technical solutions:

[0005] A kind of digital printing machine hot -blast stove structure, it is characterized by, including rack, hot -blast stove main part, reciprocating transmission assembly, air supply component, heating assembly, the hot -blast stove main part is transversely arranged on the rack;The reciprocating transmission assembly is coaxially arranged in the inside of the hot -blast stove main part, and the reciprocating transmission assembly is used to transmit the printed material in the inside of the hot -blast stove main part along left and right reciprocation;The air supply component is arranged on the length direction side of the hot -blast stove main part, and the air supply component is used to continuously transport air to the inside of the hot -blast stove component;The heating assembly is arranged on the hot -blast stove main part, and the heating assembly is used to heat the inside of the hot -blast stove main part, and then the printed material in the inside of the hot -blast stove main part is reciprocally dried.

[0006] In one preferred embodiment of the utility model, the hot -blast stove structure further includes a plurality of feeding transmission rollers, printing stations and a plurality of discharging transmission rollers arranged on the rack respectively, and a plurality of feeding transmission rollers and discharging transmission rollers are arranged on the feeding side and discharging side of the printing station respectively;The shaft centers of a plurality of feeding transmission rollers and discharging transmission rollers are respectively parallel to the shaft center of the hot -blast stove main part, and a plurality of feeding transmission rollers and discharging transmission rollers are respectively peripherally arranged on the outer periphery of the hot -blast stove main part, and the first feeding transmission roller of the feeding end and the first discharging transmission roller of the discharging end of the hot -blast stove main part are respectively located on the left and right diagonal lines.

[0007] In an optimal embodiment of the present application, the reciprocating transmission assembly comprises a plurality of reciprocating transmission rollers, both ends of the plurality of reciprocating transmission rollers being rotatably mounted on the hot air box body; the radial cross-section path of the plurality of reciprocating transmission rollers is in a spiral S shape.

[0008] In an optimal embodiment of the present application, the radial cross-section path of the plurality of reciprocating transmission rollers is in a spiral S shape.

[0009] In an optimal embodiment of the present application, the air feeding assembly comprises a plurality of air inlet tubes, fans and air feeding tubes, the air inlet tubes, fans and air feeding tubes being sequentially connected and penetrating from outside to inside, and being horizontally arranged on one side of the length direction of the hot air box body.

[0010] In an optimal embodiment of the present application, the air feeding assembly comprises three air inlet tubes, three fans and three air feeding tubes, the three air inlet tubes, fans and air feeding tubes being arranged side by side from top to bottom, respectively.

[0011] In an optimal embodiment of the present application, the heating assembly comprises a plurality of heating sheets and infrared lamps, the plurality of heating sheets being arranged on the inner wall of the hot air box body; the infrared lamps are arranged on the feeding end of the outside of the hot air box body, and are used for illuminating the material on the pair of feeding transmission rollers.

[0012] In an optimal embodiment of the present application, the feeding end of the feeding transmission roller on the left top is provided with a printing station, the printing station is arranged on the feeding end of the infrared lamp, and the printing station is arranged on one side of the top of the hot air box body in parallel.

[0013] Compared with the prior art, the present application has the advantages that: the hot air box structure of the digital printing machine is provided with the reciprocating transmission assembly in the inside of the hot air box body, the printed material is conveyed through the reciprocating transmission assembly, and is dried from left to right; the drying duration is long, and the front and back surfaces can be uniformly dried; the paper path of the material in the drying oven is as long as possible, so that the ink printed on the material is conveniently dried; and the machine structure is compact and small in size. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 is a sectional view of the hot air box structure of the digital printing machine of the present application.

[0015] Fig. 2 is a perspective view of the hot air box structure of the digital printing machine of the present application.

[0016] Fig. 3 is an exploded structural view of the hot air box structure of the digital printing machine of the present application.

[0017] REFERENCE NUMERALS:

[0018] Frame, 11 feeding drive roller, 12 printing station, 13 discharge drive roller.

[0019] 20 hot air box body; reciprocating transmission assembly: 21 reciprocating transmission roller, 22 spiral back type.

[0020] Air supply assembly: 31 air inlet cylinder, 32 fan, 33 air supply cylinder. Heating assembly: 41 heating sheet, 42 infrared lamp. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific drawings.

[0022] Referring to Figs. 1-3 , the figure shows a hot air box structure of a digital printing machine, which comprises a frame, a hot air box body 20, a reciprocating transmission assembly, an air supply assembly and a heating assembly. The hot air box body 20 is horizontally arranged on the frame. The reciprocating transmission assembly is coaxially arranged inside the hot air box body 20. The reciprocating transmission assembly is used for transmitting the printed materials inside the hot air box body 20 back and forth along the left and right directions. The air supply assembly is arranged on one side of the hot air box body 20 in the length direction. The air supply assembly is used for continuously supplying air into the inside of the hot air box assembly. The heating assembly is arranged on the hot air box body 20. The heating assembly is used for heating the inside of the hot air box body 20, so as to dry the printed materials inside the hot air box body 20 back and forth.

[0023] The inside of the hot air box body 20 of the utility model is provided with the reciprocating transmission assembly. The printed materials are transmitted through the reciprocating transmission assembly and dried back and forth from left to right. The drying duration is long. The front and back surfaces can be uniformly dried. The paper path of the materials in the drying oven is as long as possible, which is convenient for drying the ink printed on the materials. At the same time, the machine structure is compact and small in size.

[0024] In the preferred embodiment, referring to Fig. 1 , the hot air box structure further comprises a plurality of feeding drive rollers 11, a printing station 12 and a plurality of discharge drive rollers 13 which are arranged on the frame respectively. The plurality of feeding drive rollers 11 and discharge drive rollers 13 are arranged on the feeding side and the discharging side of the printing station 12 respectively. The shaft centers of the plurality of feeding drive rollers 11 and discharge drive rollers 13 are parallel to the shaft center of the hot air box body 20. The plurality of feeding drive rollers 11 and discharge drive rollers 13 are arranged in a surrounding manner on the outer periphery of the hot air box body 20. The first feeding drive roller 11 on the feeding end of the hot air box body 20 and the first discharge drive roller 13 on the discharging end are located on the left and right diagonal lines respectively.

[0025] The feeding driving roller 11 and the discharging driving roller 13 stably convey the materials of the feeding port and the discharging port respectively, and the connection is kept flat, and the printed characters or patterns on the materials are kept intact.

[0026] In the preferred embodiment, referring to Figs. 1-3 , the reciprocating driving assembly comprises a plurality of reciprocating driving rollers 21, both ends of the plurality of reciprocating driving rollers 21 being rotatably mounted on the hot air oven body 20; the radial cross-section path of the plurality of reciprocating driving rollers 21 is in a spiral S-shaped or Z-shaped form.

[0027] The paper path of the plurality of reciprocating driving rollers 21 is in a spiral S-shaped or Z-shaped form, and the reciprocating route is reversely staggered, so that the materials are dried for a long time, the paper path in the oven is as long as possible, and the ink printed on the materials is dried; at the same time, the machine structure is compact and small in size.

[0028] In another embodiment, the radial cross-section path of the plurality of reciprocating driving rollers 21 is in a spiral S-shaped or Z-shaped form.

[0029] In the preferred embodiment, referring to Figs. 2-3 , the air supply assembly comprises a plurality of air inlet tubes 31, fans 32 and air supply tubes 33, the air inlet tubes 31, the fans 32 and the air supply tubes 33 being sequentially connected and penetrating from outside to inside, and being horizontally arranged on one side of the length direction of the hot air oven body 20.

[0030] Further, the air supply assembly comprises three air inlet tubes 31, three fans 32 and three air supply tubes 33, the three air inlet tubes 31, the fans 32 and the air supply tubes 33 being arranged side by side from top to bottom.

[0031] The air supply assembly blows heat by the fans 32 to raise the temperature in the space and discharge moisture to realize uniform drying of the consumables.

[0032] In the preferred embodiment, referring to Figs. 1-3 , the heating assembly comprises a plurality of heating fins 41 and infrared lamps 42, the plurality of heating fins 41 being arranged on the inner wall of the hot air oven body 20; the infrared lamps 42 are arranged on the outer part of the hot air oven body 20 at the feeding end, and the infrared lamps 42 are used for illuminating the materials on the pair of feeding driving rollers 11.

[0033] Specifically, the heating assembly comprises a plurality of heating pipes, the plurality of heating pipes being arranged on the inner wall of the hot air oven body 20; a thermometer for detecting the drying temperature of the hot air oven body 20 is arranged on the hot air oven body 20, the thermometer being convenient for monitoring the temperature inside the hot air oven body 20, and the drying temperature is kept in a suitable range.

[0034] In the preferred embodiment, the discharge end of the feeding driving roller 11 on the left top is provided with a printing station 12, which is arranged at the feeding end of the infrared lamp 42 and is arranged in parallel on the top side of the hot air box body 20.

[0035] The printing station 12 is arranged in parallel on the top of the hot air box, and the left and right spaces are spacious, facilitating the layout of the feeding driving roller 11 and the discharge driving roller 13.

[0036] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and equivalents thereof.

Claims

1. A structure of a hot air box of a digital printing machine, characterized by, The hot air box structure comprises a rack, a hot air box body, a reciprocating transmission assembly, a air supply assembly, and a heating assembly.

2. A hot air box structure of a digital printing machine according to claim 1, wherein The hot air box structure further comprises a plurality of feeding transmission rollers and a plurality of discharging transmission rollers arranged on the rack, respectively.

3. The hot air box structure of a digital printing machine according to claim 1, wherein The reciprocating transmission assembly comprises a plurality of reciprocating transmission rollers.

4. A hot air box structure of a digital printing machine according to claim 3, wherein The reciprocating transmission assembly comprises a plurality of reciprocating transmission rollers.

5. The hot air box structure of a digital printing machine according to claim 1, wherein The air supply assembly comprises a plurality of air inlet tubes, a plurality of fans, and a plurality of air supply tubes.

6. A hot air box structure of a digital printing machine according to claim 5, wherein The air supply assembly comprises three air inlet tubes, three fans, and three air supply tubes.

7. The hot air box structure of a digital printing machine according to claim 2, wherein The heating assembly comprises a plurality of heating fins and infrared lamps.

8. The hot air box structure of a digital printing machine according to claim 2, wherein The feeding end of the hot air box body is provided with a printing station. The printing station is arranged on the discharging end of the left top feeding transmission roller.

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