Printing ink drying energy-saving device of plastic photogravure press
By setting an exhaust component and a circulation component in the drying box of a plastic gravure printing machine, the problems of slow hot air circulation and residual heat loss are solved, and the effects of rapid drying and energy saving are achieved.
Patent Information
- Application Number
- CN202422157912.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-04
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-09-04
AI Technical Summary
In the drying device of the existing plastic gravure printing machine, the hot air circulates slowly in the drying box, resulting in a slow drying speed, increased energy consumption, and residual heat is not recovered and lost, affecting the energy saving effect.
Exhaust components and heating components are set on the side walls around the drying box. The air outlet inclined pipes at multiple positions are used to accelerate the circulation of hot air, and the residual heat is recovered through the circulation component to preheat the fresh air to reduce the next heating time and energy consumption.
It speeds up the drying speed, reduces the hot air supply time, reduces energy consumption, and achieves energy-saving drying effect.
Smart Images
Figure CN223340273U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of energy-saving drying of printing ink, in particular to an energy-saving device for drying ink of a plastic gravure printing machine. Background Art
[0002] The gravure printing machine adopts the round-to-round direct printing method. The printing plate is directly made on the plate cylinder and the ink is applied by immersion or inkjet. It is usually used in the surface printing process of plastic products. Since the plastic gravure printing machine does not have an ink uniformity mechanism, the ink layer is thick. In addition, it is impossible to use highly volatile quick-drying inks. Therefore, it must have a drying device to dry the printed plastic products in time to avoid unnecessary diffusion of the ink due to insufficient drying.
[0003] The drying device is generally an integrated drying box, which heats the natural air from the outside and draws it into the drying box, thereby drying the newly printed plastic products in a timely manner. However, the hot air outlet in the drying box is often set in a single manner, which makes the circulation of the hot air in the drying box slow. In other words, it takes a long time for the hot air to reach the drying area, which affects the drying speed and extends the continuous supply time of the hot air for drying, and energy consumption also increases accordingly. On the other hand, some heat remains in the drying box after drying. If this heat is not recovered, it will be lost to the outside world, causing the temperature of the drying box to drop to the low temperature threshold, which will further extend the time for the next heating and increase energy consumption, which is not conducive to energy-saving drying.
[0004] Therefore, it is necessary to invent a plastic gravure printing machine ink drying energy-saving device to solve the above problems. Utility Model Content
[0005] In order to solve the shortcomings of the existing technology, the purpose of the present invention is to provide an energy-saving device for drying ink of a plastic gravure printing machine, which solves the problem that the hot air outlet in the drying box in the existing technology is often set in a single manner, so that the circulation speed of the hot air in the drying box is slow, that is, the time for the hot air to reach the drying area is long, which affects the drying speed, and also extends the time of continuous supply of drying hot air, and energy consumption also increases accordingly; on the other hand, there is residual heat in the drying box after drying, and if this part of the heat is not recovered, it will be lost to the outside world, causing the temperature of the drying box to drop to a low temperature threshold, which further extends the time for the next heating, and the energy consumption will also be further increased, which is not conducive to energy-saving drying.
[0006] In order to achieve the above objectives, the present invention adopts the following technical solutions:
[0007] A plastic gravure printing machine ink drying energy-saving device comprises a drying box and a conveyor belt rotatably arranged in the drying box and transferring printed plastic products to the drying box; exhaust components that can draw dried hot air into the drying box are installed in the middle of the side walls around the drying box; a heating component that can heat natural wind is provided at one end of the exhaust component away from the drying box; a preheating component that can extract and preheat the natural wind is detachably connected to the other end of the heating component; a circulation component that can circulate and extract residual heat in the drying box is provided in the middle of the top of the drying box; a plurality of circulation pipes are connected to the surrounding side walls of the circulation component; the other end of the circulation pipe is detachably connected to the surrounding side walls of the preheating component; an oblique air outlet pipe that can point to the plastic products on the conveyor belt is installed at the position of each exhaust component in the drying box.
[0008] As a preferred solution of the present invention, through holes are provided in the middle of the four side walls of the drying box, and the exhaust assembly includes a main fan and a first connecting pipe provided on the side of the main fan close to the drying box, and the other end of the first connecting pipe is detachably connected to the through hole.
[0009] As a preferred solution of the present invention, the heating assembly includes a heating tube, a heating wire located in the heating tube and capable of heating natural wind, and a first flange located on the side of the heating tube away from the drying box. The other end of the heating tube is detachably connected to the main fan.
[0010] As a preferred solution of the present invention, the preheating assembly includes a preheating tube, a preheating wire located in the preheating tube and capable of preheating natural wind, and a second flange installed on the side wall of the preheating tube close to the drying box. The first flange and the second flange are detachably connected.
[0011] As a preferred solution of the present invention, the end of the preheating tube away from the drying box is detachably connected to a chuck, and the middle part of the other end of the chuck is connected to an air inlet pipe.
[0012] As a preferred solution of the present invention, a top hole is opened in the middle of the top of the drying box, the circulation component includes a circulation fan and a second connecting pipe installed at the bottom end of the circulation fan, the bottom end of the second connecting pipe is detachably connected to the top hole, and a flow guide cover is installed at the position of the top hole adapted to the top of the interior of the drying box.
[0013] As a preferred solution of the present invention, multiple circulation pipes are installed on the side wall of the circulation fan, and the other end of the circulation pipe is detachably connected to the side wall of the preheating pipe. A bracket that can fix the position of the circulation pipe is installed at the top end of the outside of the drying box to adapt to the position of each circulation pipe.
[0014] In the above technical solution, the technical effects and advantages provided by the utility model are:
[0015] In the present invention, an exhaust assembly is arranged in the middle of the side walls around the drying box, and the drying hot air heated by the heating assembly is extracted into the drying box at the same time, and is transmitted to the drying area through the air outlet inclined pipes at the corresponding positions, so that the hot air entering the drying box at multiple positions offsets each other, thereby accelerating the circulation speed of the hot air in the drying box, so that the temperature in the drying box quickly rises to the drying temperature threshold, accelerates the drying rate of plastic products, shortens the supply time of the drying hot air, and reduces energy consumption; after the drying is completed, the circulation assembly extracts the residual heat in the drying box in time after the drying is completed. On the one hand, the residual drying heat is directly lost to the outside world, and on the other hand, this part of the residual heat can be transmitted to the preheating assembly through the circulation pipe, so that the natural wind entering the heating assembly can have a certain temperature, thereby shortening the time and heating amount of the next heating, thereby reducing the energy consumption required for the next heating, and finally meeting energy-saving drying requirements. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the front plan view structure of the utility model;
[0018] Figure 3 This is a schematic diagram of the planar top view structure of the utility model;
[0019] Figure 4 For this utility model Figure 3 Schematic diagram of the cross-sectional structure at AA in the middle.
[0020] Description of reference numerals:
[0021] 1. Drying box; 2. Conveyor belt; 3. Through hole; 4. Oblique air outlet duct; 5. First connecting pipe; 6. Main fan; 7. Heating pipe; 8. Heating wire; 9. First flange; 10. Preheating pipe; 11. Preheating wire; 12. Chuck; 13. Air inlet pipe; 14. Top hole; 15. Circulating fan; 16. Circulating pipe; 17. Bracket; 18. Air guide cover; 19. Second flange; 20. Second connecting pipe. DETAILED DESCRIPTION
[0022] The present invention will be further described below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention and are not intended to limit the scope of protection of the present invention.
[0023] The utility model provides Figure 1-4The ink drying energy-saving device of a plastic gravure printing machine shown in the figure includes a drying box 1 and a conveyor belt 2 that is rotatably arranged in the drying box 1 and transfers the printed plastic products to the drying box 1. An exhaust component that can draw the dried hot air into the drying box 1 is installed in the middle of the side walls of the drying box 1. A heating component that can heat the natural wind is provided at the end of the exhaust component away from the drying box 1. A preheating component that can extract the natural wind and preheat the natural wind is detachably connected to the other end of the heating component. A circulation component that can circulate and extract the residual heat in the drying box 1 is provided in the middle of the top of the drying box 1. A plurality of circulation pipes 16 are connected to the side walls of the circulation component. The other end of the circulation pipe 16 is detachably connected to the side walls of the preheating component. An air outlet inclined pipe 4 that can point to the plastic products on the conveyor belt 2 is installed at the position suitable for each exhaust component in the drying box 1. Although four groups of exhaust components and heating components are provided, compared with a traditional group of exhaust components and heating components, the energy consumed by the exhaust components and heating components is still relatively small, thus meeting the actual energy-saving requirements.
[0024] Through holes 3 are provided in the middle of the side walls of the drying box 1. The exhaust component includes a main fan 6 and a first connecting pipe 5 provided on the side of the main fan 6 close to the drying box 1. The other end of the first connecting pipe 5 is detachably connected to the through hole 3. The main fan 6 can extract the drying hot air heated by the heating component and transmit it to the drying area through the first connecting pipe 5 and the air outlet inclined pipe 4, thereby drying the feed products on the conveyor belt 2 in the area.
[0025] The heating assembly includes a heating tube 7, a heating wire 8 located inside the heating tube 7 and capable of heating the natural wind, and a first flange 9 located on the side of the heating tube 7 away from the drying box 1. The other end of the heating tube 7 is detachably connected to the main fan 6. When the natural wind passes through the heating tube 7, the heating wire 8 heats it.
[0026] The preheating assembly includes a preheating tube 10, a preheating wire 11 located in the preheating tube 10 and capable of preheating natural wind, and a second flange 19 installed on a side wall of the preheating tube 10 close to the drying box 1. The first flange 9 and the second flange 19 are detachably connected. The connection between the heating tube 7 and the preheating tube 10 is completed through the first flange 9 and the second flange 19, which facilitates the disassembly of the heating tube 7 and the preheating tube 10, that is, it is convenient to inspect the internal heating wire 8 and the preheating wire 11.
[0027] The end of the preheating tube 10 away from the drying box 1 is detachably connected to a chuck 12, and the middle of the other end of the chuck 12 is connected to an air inlet pipe 13. The chuck 12 can easily open one end of the preheating tube 10, thereby facilitating the inspection of the internal preheating wire 11.
[0028] A top hole 14 is provided in the middle of the top of the drying box 1. The circulation component includes a circulation fan 15 and a second connecting pipe 20 installed at the bottom end of the circulation fan 15. The bottom end of the second connecting pipe 20 is detachably connected to the top hole 14. A deflector 18 is installed at the top of the drying box 1 at the position of the top hole 14. Multiple circulation pipes 16 are installed on the side walls around the circulation fan 15, and the other ends of the circulation pipes 16 are detachably connected to the side walls around the preheating pipe 10. A bracket 17 for fixing the position of the circulation pipe 16 is installed at the top of the outside of the drying box 1 at the position of each circulation pipe 16. The circulation fan 15 extracts the residual heat in the drying box 1, on the one hand to prevent it from being directly lost to the outside, and on the other hand to be transferred to the preheating pipe 10 through the circulation pipe 16 to preheat the natural wind, thereby increasing the initial temperature of the natural wind entering the heating pipe 7, thereby shortening the heating time of the natural wind by the heating pipe 7.
[0029] In the present invention, an exhaust assembly is arranged in the middle of the side walls around the drying box 1, and the drying hot air heated by the heating assembly is extracted into the drying box 1 at the same time, and is transmitted to the drying area through the air outlet inclined pipes 4 at the corresponding positions, so that the hot air entering the drying box 1 at multiple positions offsets each other, thereby accelerating the circulation speed of the hot air in the drying box 1, so that the temperature in the drying box 1 quickly rises to the drying temperature threshold, accelerating the drying rate of plastic products, shortening the supply time of the drying hot air, and reducing energy consumption; after the drying is completed, the circulation assembly extracts the residual heat in the drying box 1 in time after the drying is completed. On the one hand, the residual drying heat is directly lost to the outside world, and on the other hand, this part of the residual heat can be transmitted to the preheating assembly through the circulation pipe 16, so that the natural wind entering the heating assembly can have a certain temperature, thereby shortening the time and heating amount of the next heating, thereby reducing the energy consumption required for the next heating, and finally meeting energy-saving drying requirements.
[0030] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.
Claims
1. An energy-saving device for ink drying of a plastic gravure printing machine, characterized by: The invention comprises a drying box (1) and a conveyor belt (2) which is rotatably arranged in the drying box (1) and transmits the printed plastic products to the drying box (1). The middle of the side walls of the drying box (1) are all equipped with exhaust assemblies which can draw the hot drying air into the drying box (1). The end of the exhaust assemblies away from the drying box (1) is equipped with a heating assembly which can heat the natural wind. The other end of the heating assembly is detachably connected to a preheating assembly which draws the natural wind and preheats the natural wind. The middle of the top of the drying box (1) is equipped with a circulation assembly which can circulate and extract the residual heat in the drying box (1). The side walls of the circulation assembly are connected with a plurality of circulation pipes (16). The other end of the circulation pipes (16) is detachably connected to the side walls of the preheating assembly. The position of each exhaust assembly in the drying box (1) is equipped with an oblique air outlet pipe (4) which can point to the plastic products on the conveyor belt (2).
2. The ink drying energy-saving device for a plastic gravure printing machine according to claim 1, characterized in that: The drying box (1) is provided with through holes (3) in the middle of the side walls on all four sides. The exhaust assembly comprises a main fan (6) and a first connecting pipe (5) provided on a side of the main fan (6) close to the drying box (1). The other end of the first connecting pipe (5) is detachably connected to the through hole (3).
3. The ink drying energy-saving device for a plastic gravure printing machine according to claim 2, characterized in that: The heating assembly comprises a heating tube (7), a heating wire (8) located in the heating tube (7) and capable of heating natural wind, and a first flange (9) located on a side of the heating tube (7) away from the drying box (1); the other end of the heating tube (7) is detachably connected to the main fan (6).
4. The ink drying energy-saving device for a plastic gravure printing machine according to claim 3, characterized in that: The preheating assembly comprises a preheating tube (10), a preheating wire (11) located in the preheating tube (10) and capable of preheating natural wind, and a second flange (19) installed on a side wall of the preheating tube (10) close to the drying box (1), wherein the first flange (9) and the second flange (19) are detachably connected.
5. The ink drying energy-saving device for a plastic gravure printing machine according to claim 4, characterized in that: One end of the preheating tube (10) away from the drying box (1) is detachably connected to a chuck (12), and the middle of the other end of the chuck (12) is connected to an air inlet pipe (13).
6. The ink drying energy-saving device for a plastic gravure printing machine according to claim 5, characterized in that: A top hole (14) is provided in the middle of the top of the drying box (1), and the circulation assembly comprises a circulation fan (15) and a second connecting pipe (20) installed at the bottom end of the circulation fan (15), the bottom end of the second connecting pipe (20) is detachably connected to the top hole (14), and a flow guide cover (18) is installed at a position inside the top end of the drying box (1) that is adapted to the top hole (14).
7. The ink drying energy-saving device for a plastic gravure printing machine according to claim 6, characterized in that: The plurality of circulation pipes (16) are all installed on the peripheral side wall of the circulation fan (15), and the other end of the circulation pipe (16) is detachably connected to the peripheral side wall of the preheating pipe (10). A bracket (17) capable of fixing the position of the circulation pipe (16) is installed at the top end of the outside of the drying box (1) at the position of each circulation pipe (16).