CN213830948U

CN213830948U - Drying device of printing machine

Info

Publication number: CN213830948U
Application number: CN202022267418.2U
Authority: CN
Inventors: 张二辉
Original assignee: Taicang Jiaoao Packaging Material Co ltd
Current assignee: Taicang Jiaoao Packaging Material Co ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-07-30
Anticipated expiration: 2030-10-13

Abstract

The utility model provides a drying device of a printing machine, which comprises a drying box, a primary drying mechanism and a secondary drying mechanism which are arranged in the drying box in sequence, a conveyer belt which runs through the primary drying mechanism and the secondary drying mechanism, a baffle plate which is arranged in the drying box, a through hole which runs through the baffle plate and a circulating mechanism which is connected with the primary drying mechanism and the secondary drying mechanism, the circulating mechanism comprises a first exhaust pipe, a gas filtering chamber connected with the first exhaust pipe, a third air outlet arranged at the top of the gas filtering chamber, a second exhaust pipe connected with the gas filtering chamber and an air pump arranged on the second exhaust pipe, the first exhaust pipe is respectively communicated with the primary drying mechanism and the secondary drying mechanism, and the second exhaust pipe is communicated with the inside of the secondary drying mechanism. The utility model discloses a circulation mechanism can effectively collect the air that has the waste heat, with this air reuse, can effective energy can be saved.

Description

Drying device of printing machine

Technical Field

The utility model relates to a printing machine technical field, in particular to drying device of printing machine.

Background

Printing has a long history in China, and with the progress of science and technology, the printing technology is continuously developed, the progress of the current printing technology mainly depends on continuous improvement and updating of printing equipment, so that common objects can be printed under the current situation, the current printing technology is not limited to paper objects, cloth, even plastic products and glass products can be printed, but certain unabsorbed ink exists on the surface of a finished product printed by the existing printing machine, and the finished product is easy to be pasted after being touched, so that the printed product is dried by using an oven generally. However, when the existing drying device dries the printed matter, the surface of the printed matter is heated unevenly, so that the printed matter is partially shrunk and wrinkled; moreover, during drying, certain water vapor exists in the drying oven, so that the drying efficiency is low.

The patent with the publication number of CN207014966U discloses a drying device of a printing machine, which comprises a drying box, wherein a conveying belt penetrating through the drying box is arranged in the drying box, a primary drying mechanism for primary drying and a secondary drying mechanism for complete drying are arranged in the drying box, the primary drying mechanism and the secondary drying mechanism are separated by a partition plate, and the partition plate is provided with a through hole corresponding to the conveying belt; the utility model discloses a can guarantee the stoving effect to the printing product through twice stoving, can avoid a large amount of moisture to influence final stoving effect, and the unique design of second grade stoving mechanism, can take away more moisture, to the stoving more ideal of product. However, the drying device has a low heat utilization rate and cannot effectively save energy.

Therefore, it is necessary to provide a new drying device for a printing machine to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an effective energy can be saved and the higher drying device of printing machine of heat utilization rate.

In order to achieve the above object, the utility model discloses a technical scheme be: a drying device of a printing machine comprises a drying box, a first-stage drying mechanism and a second-stage drying mechanism which are sequentially arranged in the drying box, a conveying belt which runs through the first-stage drying mechanism and the second-stage drying mechanism, a partition plate which is arranged in the drying box, a through hole which runs through the partition plate and a circulating mechanism which is connected with the first-stage drying mechanism and the second-stage drying mechanism, wherein the drying box is divided into the first-stage drying mechanism and the second-stage drying mechanism by the partition plate, the conveying belt runs through the first-stage drying mechanism and the second-stage drying mechanism along the through hole, the circulating mechanism comprises a first exhaust pipe, a gas filtering chamber which is connected with the first exhaust pipe, a third air outlet which is arranged at the top of the gas filtering chamber, a second exhaust pipe which is connected with the gas filtering chamber and an air pump which is arranged on the second exhaust pipe, the first exhaust pipe is respectively communicated with the primary drying mechanism and the secondary drying mechanism, and the second exhaust pipe is communicated with the inside of the secondary drying mechanism.

The one-level stoving mechanism includes the stoving case passes through the first cavity that the baffle separates, sets up infrared heating pipe, the setting on the inside top of first cavity are in the first supply air duct of first cavity bottom, with air pump, setting that first supply air duct connects are in the first breather pipe and the connection at first cavity top are in the first air outlet at first cavity top, first air outlet with first exhaust column is linked together.

The second-stage drying mechanism comprises a second cavity, a second air supply pipeline, a hot air assembly and a second air outlet, wherein the second cavity is formed by the drying box through the partition plate, the second air supply pipeline is arranged at the bottom of the second cavity, the hot air assembly is connected with the second air supply pipeline, the second air outlet is arranged at the top of the second cavity, the second air outlet is communicated with the first exhaust pipe, and the second exhaust pipe is communicated with the inside of the second cavity.

The hot air assembly comprises a heating cavity, an air inlet arranged on one side of the heating cavity, a heating resistance wire fixed inside the heating cavity and a drying chamber connected with the heating cavity, and the drying chamber is connected with the second air supply pipeline.

The inside joint of gas filtering chamber has the active carbon adsorption layer.

Compared with the prior art, the utility model relates to a drying device of printing machine's beneficial effect: the product firstly enters a primary drying mechanism along a conveying belt to carry out primary drying on the product, a large amount of moisture can be dried out at the moment, and then the product enters a secondary drying mechanism along the conveying belt through a through hole of a partition plate to finish final drying; in the product drying process, the air with the waste heat can be effectively collected through the circulating mechanism, the air is recycled, energy can be effectively saved, and the drying device has the advantages of reasonable design and high heat energy utilization rate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

fig. 1 is a schematic diagram of a drying device of a printing machine of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Please refer to fig. 1, the utility model relates to a drying device of printing machine, it includes stoving case 1, set gradually one-level stoving mechanism 2 and second grade stoving mechanism 3 in stoving case 1, run through one-level stoving mechanism 2 and second grade stoving mechanism 3's conveyer belt 4, set up baffle 5 in stoving case 1, run through-hole 6 of baffle 5 and with the circulation mechanism 7 that one-level stoving mechanism 2 and second grade stoving mechanism 3 all communicate, baffle 5 separates into one-level stoving mechanism 2 and second grade stoving mechanism 3 with stoving case 1, conveyer belt 4 runs through one-level stoving mechanism 2 and second grade stoving mechanism 3 along through-hole 6.

The first-stage drying mechanism 2 comprises a first cavity 21 separated by the drying box 1 through a partition plate 5, an infrared heating pipe 22 arranged at the top end inside the first cavity 21, a first air supply pipeline 23 arranged at the bottom of the first cavity 21, an air pump 24 connected with the first air supply pipeline 23, a first air pipe 25 arranged at the top of the first cavity 21, and a first air outlet 26 connected to the top of the first cavity 21, wherein the first air outlet 26 is communicated with the circulating mechanism 7. The infrared heating pipe 22 heats the products conveyed on the conveyor belt 4, the air pump 24 sends air into the first cavity 21 through the first air supply pipeline 23, so that water vapor generated after the products in the first cavity 21 are heated is discharged through the first vent pipe 25, primary drying is realized, and meanwhile, the first vent pipe 25 can also be used for ensuring the air flowability in the primary drying mechanism 2; a part of the hot air mixed with the water vapor enters the circulating mechanism 7 through the first air outlet 26.

The secondary drying mechanism 3 comprises a second cavity 31 separated by the drying box 1 through a partition plate 5, a second air supply pipeline 32 arranged at the bottom of the second cavity 31, a hot air assembly 33 connected with the second air supply pipeline 32 and a second air outlet 34 arranged at the top of the second cavity 31, and the second air outlet 34 is communicated with the circulating mechanism 7. The hot air component 33 sends hot air into the second cavity 31 through the second air supply pipeline 32, and directly heats the product conveyed by the conveyor belt 4, so that the final drying of the product is realized. Through hot-blast subassembly 33 conveying hot-blast, can make the air be heated evenly, improve the stoving effect. The hot air mixed with water vapor generated in the product drying process enters the circulating mechanism 7 through the second air outlet 34.

The hot air component 33 includes a heating cavity 331, an air inlet 332 disposed at one side of the heating cavity 331, a heating resistance wire 333 fixed inside the heating cavity 331, and a drying chamber 334 connected to the heating cavity 331, wherein the drying chamber 334 is connected to the second air supply duct 32. The heating resistance wire 333 heats the air input from the air inlet 332, and the heated air enters the second air supply duct 32 after being dried by the drying chamber 334 and is finally conveyed into the second cavity 31.

The circulation mechanism 7 includes a first exhaust pipe 71, an air filtering chamber 72 connected to the first exhaust pipe 71, a third air outlet 73 formed at the top of the air filtering chamber 72, a second exhaust pipe 74 connected to the air filtering chamber 72, and an air pump 75 disposed on the second exhaust pipe 74, wherein the first exhaust pipe 71 is respectively communicated with the primary drying mechanism 2 and the secondary drying mechanism 3, and specifically, the first exhaust pipe 71 is respectively communicated with the first air outlet 26 and the second air outlet 34. The second exhaust duct 74 is communicated with the inside of the secondary drying mechanism 3, specifically, the second exhaust duct 74 is communicated with the inside of the second cavity 31. By the operation of the air pump 75, the air in the first cavity 21 and the air in the second cavity 31 enter the first exhaust pipe 71 through the first air outlet 26 and the second air outlet 34 respectively, and then are conveyed to the air filtering chamber 72, and after moisture and impurities in the air are filtered, a part of the air is discharged along the third air outlet 73, so that the flowability of the air is ensured; a part of the gas enters the second cavity 31 through the second exhaust pipe 74, and the gas is hot gas at this time, so the gas can be used as hot air to dry the products conveyed on the conveying belt 4, the heat energy is effectively utilized, and the energy is saved.

The inside joint of gas filtering chamber 72 has the active carbon adsorption layer, filters gas through the active carbon adsorption layer, and the filter effect is better.

The utility model relates to a drying device of printing machine's main theory of operation: the product firstly enters the primary drying mechanism 2 along the conveyer belt 4 to carry out primary drying on the product, a large amount of moisture can be dried at the moment, and then the product enters the secondary drying mechanism 3 along with the conveyer belt 4 through the through hole 6 of the partition plate 5 to finish final drying; in the product drying process, the air with waste heat can be effectively collected through the circulating mechanism 7, and the air is recycled, so that the energy can be effectively saved.

The utility model relates to a drying device of a printing machine, which can fully dry products through the synergistic effect of a primary drying mechanism and a secondary drying mechanism; meanwhile, the circulating mechanism can effectively collect air with waste heat, the air is recycled, energy can be effectively saved, and the circulating mechanism has the advantages of reasonable design and high heat energy utilization rate.

Of course, those skilled in the art should realize that the above-mentioned embodiments are only used for illustrating the present invention, and not for limiting the present invention, and that the changes and modifications to the above-mentioned embodiments are all within the scope of the appended claims as long as they are within the true spirit of the present invention.

Claims

1. The utility model provides a drying device of printing machine which characterized in that: it comprises a drying box, a primary drying mechanism and a secondary drying mechanism which are arranged in the drying box in sequence, a conveyer belt which runs through the primary drying mechanism and the secondary drying mechanism, a baffle plate which is arranged in the drying box, a through hole which runs through the baffle plate and a circulating mechanism which is connected with the primary drying mechanism and the secondary drying mechanism, wherein the baffle plate separates the drying box into the primary drying mechanism and the secondary drying mechanism, the conveyer belt runs through the primary drying mechanism and the secondary drying mechanism along the through hole, the circulating mechanism comprises a first exhaust pipe, a filter chamber which is connected with the first exhaust pipe, a third air outlet which is arranged at the top of the filter chamber, a second exhaust pipe which is connected with the filter chamber and an air suction pump which is arranged on the second exhaust pipe, the first exhaust pipe is respectively communicated with the primary drying mechanism and the secondary drying mechanism, and the second exhaust pipe is communicated with the inside of the secondary drying mechanism.

2. The drying apparatus of a printing press as set forth in claim 1, wherein: the one-level stoving mechanism includes the stoving case passes through the first cavity that the baffle separates, sets up infrared heating pipe, the setting on the inside top of first cavity are in the first supply air duct of first cavity bottom, with air pump, setting that first supply air duct connects are in the first breather pipe and the connection at first cavity top are in the first air outlet at first cavity top, first air outlet with first exhaust column is linked together.

3. The drying apparatus of a printing press as set forth in claim 2, wherein: the second-stage drying mechanism comprises a second cavity, a second air supply pipeline, a hot air assembly and a second air outlet, wherein the second cavity is formed by the drying box through the partition plate, the second air supply pipeline is arranged at the bottom of the second cavity, the hot air assembly is connected with the second air supply pipeline, the second air outlet is arranged at the top of the second cavity, the second air outlet is communicated with the first exhaust pipe, and the second exhaust pipe is communicated with the inside of the second cavity.

4. The drying apparatus of a printing press as set forth in claim 3, wherein: the hot air assembly comprises a heating cavity, an air inlet arranged on one side of the heating cavity, a heating resistance wire fixed inside the heating cavity and a drying chamber connected with the heating cavity, and the drying chamber is connected with the second air supply pipeline.

5. The drying apparatus of a printing press as set forth in claim 1, wherein: the inside joint of gas filtering chamber has the active carbon adsorption layer.