Drying device of printing machine

Abstract

The utility model discloses a printing machine drying device which comprises a box body, a conveying mechanism and a drying mechanism, the box body is provided with an inner cavity, and the box body is provided with a feeding port and a discharging port which are communicated with the inner cavity; the conveying mechanism comprises a plurality of guide rollers, the guide rollers are rotationally arranged in the inner cavity, and the guide rollers are arranged at intervals so as to drive the base material to be conveyed from the feeding opening to the discharging opening; the drying mechanism comprises a fan and multiple groups of first air guide assemblies, the multiple groups of first air guide assemblies communicate with the fan, the fan is used for outputting airflow to the first air guide assemblies, the multiple groups of first air guide assemblies are arranged in the inner cavity at intervals, each first air guide assembly comprises two air guide parts, and the two air guide parts are symmetrically arranged on the two sides of the base material; the air guide piece is used for guiding airflow to blow to the base material. According to the drying device of the printing machine, the number of the guide rollers can be reduced, the possibility that a base material is damaged is reduced, and the drying effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to printing equipment technical field, especially relate to a printing machine drying device. BACKGROUND

[0002] The gravure printing machine is common printing equipment, has the characteristics such as big ink application amount, thick ink layer, fast printing speed, in order to accelerate the drying of color ink, the existing gravure printing machine is usually provided with drying fan and blows to substrate, but the air nozzle quantity of drying fan is more, and the wind power output to substrate is larger, needs to configure enough guide roller to support substrate, and substrate is mainly conveyed by guide roller drive, in order to avoid the arrangement position of air nozzle, leads to the wrap angle between substrate and guide roller to reduce, makes substrate easy to slip on the surface of guide roller when conveying, causes substrate to be scratched by guide roller, influences printing quality. SUMMARY

[0003] The utility model discloses at least solve one of the technical problems in the prior art. To this end, the utility model provides a printing machine drying device, can reduce the number of guide roller, improves drying effect.

[0004] The printing machine drying device according to the first aspect of the utility model, including box, conveying mechanism and drying mechanism, the box is provided with inner chamber, the box is opened with the feed inlet and the discharge outlet that communicate the inner chamber, the conveying mechanism includes multiple guide rollers, the guide roller rotation is arranged in the inner chamber, multiple the guide roller is arranged at intervals, to drive substrate and convey from the feed inlet to the discharge outlet, the drying mechanism includes fan and multiple first air guide components, multiple the first air guide component is all with the fan intercommunication, the fan is used to output airflow to the first air guide component, multiple the first air guide component is arranged at intervals in the inner chamber, the first air guide component includes two air guide pieces, two the air guide piece is symmetrically arranged at the both sides of substrate, and the air guide piece is used to guide airflow and blow to substrate.

[0005] The printing machine drying device has at least the following beneficial effects: the box body is provided with an inner cavity, and the box body is provided with an inlet and an outlet, the inlet and the outlet are both communicated with the inner cavity, a plurality of guide rollers are rotationally arranged in the inner cavity, and the plurality of guide rollers are matched to drive the base material to be conveyed from the inlet to the outlet, so that the base material can pass through a plurality of first air guide assemblies in sequence, the plurality of first air guide assemblies are all communicated with the fan, the first air guide assembly comprises two air guide pieces, the two air guide pieces are symmetrically arranged on the two sides of the base material, so that the airflow can be conveyed to the two sides of the base material, the drying of the color ink on the base material can be accelerated, the two air guide pieces are matched to blow air to the two sides of the base material, the base material can be prevented from being concave or convex during the conveying process, the base material can be stably conveyed, the flow of the airflow can be increased, the drying of the color ink on the base material can be accelerated, the number of the guide rollers can be reduced, the possibility of damage to the base material can be reduced, and the drying effect is improved.

[0006] According to some embodiments of the utility model, the air guide piece is provided with two symmetrically arranged first air nozzles, and the air outlet ends of the two first air nozzles are arranged in a direction of approaching each other.

[0007] According to some embodiments of the utility model, the drying mechanism further comprises a plurality of second air guide assemblies, the plurality of second air guide assemblies are all communicated with the fan, the plurality of second air guide assemblies are arranged in the inner cavity at intervals, and the second air guide assemblies and the guide rollers are in one-to-one correspondence, the second air guide assembly is provided with a second air nozzle, and the second air nozzle is used for guiding the airflow to move in a direction close to the guide roller, so that the base material abuts against the guide roller.

[0008] According to some embodiments of the utility model, the second air nozzle is arranged in a direction perpendicular to the normal line of the guide roller.

[0009] According to some embodiments of the utility model, the drying mechanism further comprises a third air guide assembly, the third air guide assembly is communicated with the fan, the third air guide assembly is arranged at the inlet, the third air guide assembly is provided with a third air nozzle, the third air nozzle is used for guiding the airflow to blow towards the guide roller, and the air outlet end of the third air nozzle is arranged in a direction away from the inlet.

[0010] According to some embodiments of the utility model, the drying mechanism further comprises a fourth air guide assembly, the fourth air guide assembly is communicated with the fan, the fourth air guide assembly is arranged at the outlet, the fourth air guide assembly is provided with a fourth air nozzle, the fourth air nozzle is used for guiding the airflow to blow towards the guide roller, and the air outlet end of the fourth air nozzle is arranged in a direction away from the outlet.

[0011] According to some embodiments of the utility model, the axes of the plurality of guide rollers are arranged at intervals along a circumference.

[0012] According to some embodiments of the present application, the box is provided with a first exhaust gas outlet, the first exhaust gas outlet is communicated with the inner cavity, and the first exhaust gas outlet is connected with a filtering assembly, and the filtering assembly is used for filtering the airflow.

[0013] According to some embodiments of the present application, the fan is connected with a heating member, and the heating member is used for heating the airflow.

[0014] According to some embodiments of the present application, the box is further provided with a second exhaust gas outlet, the second exhaust gas outlet is communicated with the inner cavity, and the second exhaust gas outlet is communicated with the fan.

[0015] The additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood by the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0016] The present application will be further described below in combination with the drawings and embodiments, in which:

[0017] Figure 1 It is a schematic view of the printing machine drying device of the present application embodiment;

[0018] Figure 2 It is Figure 1 A partial enlarged view of the A place of the present application embodiment;

[0019] Figure 3 It is Figure 1 A partial enlarged view of the B place of the present application embodiment;

[0020] Figure 4 It is Figure 1 A partial enlarged view of the C place of the present application embodiment.

[0021] Reference signs:

[0022] Box 100, inner cavity 110, feed inlet 120, discharge outlet 130, first exhaust gas outlet 140, second exhaust gas outlet 150;

[0023] Conveying mechanism 200, guide roller 210;

[0024] Drying mechanism 300, fan 310, first air guide assembly 320, air guide member 321, first air nozzle 322, second air guide assembly 330, second air nozzle 331, third air guide assembly 340, third air nozzle 341, fourth air guide assembly 350, fourth air nozzle 351;

[0025] Base material 400. DETAILED DESCRIPTION

[0026] The embodiments of the present application are described below in detail, examples of the embodiments are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the present application, and cannot be understood as a limitation of the present application.

[0027] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation of the present application.

[0028] In the description of the present application, the meaning of several is one or more, the meaning of multiple is more than two, greater than, less than, more than, etc. are understood as not including the number, above, below, etc. are understood as including the number. If it is described to the first, the second is only used for distinguishing the purpose of technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0029] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, etc. should be understood in a broad sense, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application according to the specific content of the technical scheme.

[0030] It can be understood that, with reference to Figures 1 to 4 The printing machine drying device of the present application comprises a box body 100, a conveying mechanism 200 and a drying mechanism 300, the box body 100 is provided with an inner cavity 110, the box body 100 is provided with a feeding port 120 and a discharging port 130 communicating with the inner cavity 110; the conveying mechanism 200 comprises a plurality of guide rollers 210, the guide rollers 210 are rotatably arranged in the inner cavity 110, and the plurality of guide rollers 210 are arranged at intervals to drive the substrate 400 to convey from the feeding port 120 to the discharging port 130; the drying mechanism 300 comprises a fan 310 and a plurality of first air guide assemblies 320, the plurality of first air guide assemblies 320 are all communicated with the fan 310, the fan 310 is used for outputting airflow to the first air guide assembly 320, the plurality of first air guide assemblies 320 are arranged at intervals in the inner cavity 110, and the first air guide assembly 320 comprises two air guide pieces 321, the two air guide pieces 321 are symmetrically arranged on both sides of the substrate 400, and the air guide piece 321 is used for guiding the airflow to blow to the substrate 400.

[0031] The box body 100 is provided with an inner cavity 110, and the box body 100 is provided with a feeding port 120 and a discharging port 130, both of which communicate with the inner cavity 110, and a plurality of guide rollers 210 are rotationally arranged in the inner cavity 110, and the plurality of guide rollers 210 can drive the base material 400 to be conveyed from the feeding port 120 to the discharging port 130, so that the base material 400 can pass through a plurality of first air guide assemblies 320 in sequence, and the plurality of first air guide assemblies 320 communicate with the fan 310, and the first air guide assembly 320 includes two air guide pieces 321, which are symmetrically arranged on both sides of the base material 400, so that the air flow can be conveyed to both sides of the base material 400, which can accelerate the drying of the color ink on the base material 400, and the two air guide pieces 321 can blow air to both sides of the base material 400, which can avoid the base material 400 from being concave or protruding during the conveying process, so that the base material 400 can be stably arranged on the guide roller 210, facilitating the smooth conveying of the base material 400 by the guide roller 210, which not only increases the flow of the air flow and accelerates the drying of the color ink on the base material 400, but also reduces the number of guide rollers 210 and reduces the possibility of damage to the base material 400, thereby improving the drying effect.

[0032] It should be noted that the two air guide pieces 321 are symmetrically arranged on both sides of the base material 400, so that the air guide piece 321 can guide the air flow to the two sides of the base material 400, so that the air flow can stabilize the position of the base material 400, reduce the possibility of position shaking of the base material 400, and enable the base material 400 to be stably attached to the guide roller 210, thereby reducing the number of guide rollers 210 and reducing the possibility of the base material 400 being scratched by the guide roller 210.

[0033] Among them, the base material 400 can be a plastic film, paper, aluminum foil, etc., which is not limited here.

[0034] It can be understood that, referring to Figure 1 and Figure 2 , the air guide piece 321 is provided with two symmetrically arranged first air nozzles 322, and the air outlet ends of the two first air nozzles 322 are inclinedly arranged towards each other. The two first air nozzles 322 are symmetrically arranged on the air guide piece 321, and the air outlet ends of the two first air nozzles 322 are inclinedly arranged towards each other, so that the air flow blown out of the first air nozzle 322 can more concentratedly act on the base material 400, enhancing the air flow guiding property, so that the air flow can be more effectively blown to the surface of the base material 400, accelerating the drying process of the color ink, and improving the utilization efficiency of the air flow.

[0035] In addition, the inclined arrangement of the air outlet end of the first air nozzle 322 enables the air flow to support the substrate 400, reduces the force of the substrate 400 on the guide roller 210, helps the substrate 400 to remain stable during the conveying process, prevents the substrate 400 from deviating or slipping during the conveying process, reduces the risk of the substrate 400 being scratched by the guide roller 210, and ensures the stability of the printing quality.

[0036] It can be understood that, with reference to Figure 1 , the drying mechanism 300 further comprises a plurality of second air guide assemblies 330, the plurality of second air guide assemblies 330 are in communication with the air blower 310, the plurality of second air guide assemblies 330 are arranged at intervals in the inner cavity 110, and the second air guide assemblies 330 and the guide rollers 210 are in one-to-one correspondence. The second air guide assemblies 330 are provided with second air nozzles 331 for guiding the air flow to move in the direction close to the guide rollers 210, so that the substrate 400 abuts against the guide rollers 210. The second air guide assemblies 330 are in communication with the air blower 310, and the plurality of second air guide assemblies 330 are arranged at intervals. The second air guide assemblies 330 are provided with second air nozzles 331, and the air outlet end of the second air nozzle 331 is arranged towards the guide roller 210, so that the air flow output by the second air nozzle 331 can drive the substrate 400 to abut against the guide roller 210, and the substrate 400 is more closely attached to the guide roller 210, which helps to reduce the sliding and deviation of the substrate 400 during the conveying process, so that the substrate 400 can be conveyed smoothly and accurately along the guide roller 210, and the risk of damage to the substrate 400 is reduced.

[0037] In addition, the second air guide assemblies 330 and the guide rollers 210 are in one-to-one correspondence, so that the air flow output by the second air nozzle 331 can accurately act on the guide roller 210, improve the utilization efficiency of the air flow, and accelerate the drying of the color ink on the substrate 400, and improve the drying effect.

[0038] Specifically, with reference to Figure 1 , the second air nozzle 331 is arranged in a direction perpendicular to the normal line of the guide roller 210. By arranging the second air nozzle 331 in a direction perpendicular to the normal line of the guide roller 210, the air flow can be blown vertically to the surface of the substrate 400, which helps to reduce the scattering and waste of the air flow, improves the utilization efficiency of the air flow, and can push the substrate 400 towards the guide roller 210, enhances the adhesion between the substrate 400 and the guide roller 210, reduces the sliding and deviation of the substrate 400 during the conveying process, ensures the accuracy and stability of the printing, and reduces the risk of the substrate 400 being scratched.

[0039] It can be understood that, with reference to Figure 1 and Figure 3The drying mechanism 300 further comprises a third air guide assembly 340 in communication with the air blower 310, the third air guide assembly 340 is arranged at the feeding port 120, the third air guide assembly 340 is provided with a third air nozzle 341, the third air nozzle 341 is used to guide the air flow to blow towards the guide roller 210, and the air outlet end of the third air nozzle 341 is arranged in a direction away from the feeding port 120. The third air guide assembly 340 is arranged at the feeding port 120, and the air flow is guided by the third air nozzle 341 to move in a direction close to the guide roller 210, so that the substrate 400 can be attached to the guide roller 210, the sliding and deviation of the substrate 400 during conveying is reduced, and the possibility of damage to the substrate 400 is reduced.

[0040] In addition, the air outlet end of the third air nozzle 341 is arranged in a direction away from the feeding port 120, so that the air flow output by the third air nozzle 341 can flow to the middle of the inner cavity 110, and the overflow of the air flow from the feeding port 120 is reduced.

[0041] It should be noted that the solvent of the substrate 400 ink is easy to evaporate during drying, and by arranging the air outlet end of the third air nozzle 341 in a direction away from the feeding port 120, the air flow can move away from the feeding port 120, thereby reducing the overflow of the air flow in the inner cavity 110, reducing the emission of the solvent, and improving the processing environment.

[0042] It can be understood that, referring to Figure 1 and Figure 4 , the drying mechanism 300 further comprises a fourth air guide assembly 350 in communication with the air blower 310, the fourth air guide assembly 350 is arranged at the discharging port 130, the fourth air guide assembly 350 is provided with a fourth air nozzle 351, the fourth air nozzle 351 is used to guide the air flow to blow towards the guide roller 210, and the air outlet end of the fourth air nozzle 351 is arranged in a direction away from the discharging port 130. The fourth air guide assembly 350 is arranged at the discharging port 130, and the air flow is guided by the fourth air nozzle 351 to move in a direction close to the guide roller 210, so that the air flow can drive the substrate 400 to be attached to the guide roller 210, the sliding and deviation of the substrate 400 during conveying is reduced, and the possibility of damage to the substrate 400 is reduced.

[0043] In addition, the air outlet end of the fourth air nozzle 351 is arranged in a direction away from the discharging port 130, so that the air flow output by the fourth air nozzle 351 can flow to the middle of the inner cavity 110, the overflow of the air flow from the discharging port 130 is reduced, the emission of the ink solvent is reduced, and the processing environment is improved.

[0044] It can be understood that, referring to Figure 1The axes of the plurality of guide rollers 210 are arranged at intervals along the circumference. The axes of the plurality of guide rollers 210 are arranged at intervals along the circumference, so that the guide rollers 210 can more stably support the base material 400, thereby enabling the base material 400 to be more uniformly distributed between the guide rollers 210 during conveyance, reducing deformation and curling of the base material 400 during conveyance, and enabling the contact area of the base material 400 with the guide rollers 210 to be increased, enabling the contact of the base material 400 with the guide rollers 210 to be stabilized, reducing the possibility of slippage and deviation of the base material 400, and reducing the possibility of damage.

[0045] In addition, by arranging the axes of the plurality of guide rollers 210 at intervals along the circumference, the air flow can be smoothly circulated in the inner cavity 110, reducing the possibility of air flow accumulation in the inner cavity 110, thereby improving the utilization rate of the air flow and accelerating the drying speed of the ink of the base material 400.

[0046] It can be understood that, with reference to Figure 1 The box body 100 is provided with a first waste gas outlet 140, which is in communication with the inner cavity 110, and a filter assembly (not shown in the drawings) is connected to the first waste gas outlet 140, which is used to filter the air flow. By providing the first waste gas outlet 140 on the box body 100 and connecting the filter assembly, the waste gas generated during the drying process can be effectively treated, not only maintaining the cleanliness of the inner cavity 110, reducing the volatilization of ink solvent into the surrounding air, but also improving the overall working environment quality and protecting the health of workers.

[0047] It should be noted that the filter assembly is a prior art, which can filter the solvent volatilized by the ink by absorption, purification, dilution, etc., which is not limited here.

[0048] It can be understood that, with reference to Figure 1 The fan 310 is connected with a heating element (not shown in the drawings), which is used to heat the air flow. By connecting the heating element to the fan 310, the heating function of the air flow is realized, the hot air supply capacity of the drying device of the printing machine is enhanced, so that the air flow can accelerate the drying of the ink of the base material 400, and the drying efficiency is improved.

[0049] It should be noted that the heating element can be a heating wire, a heating wire, etc., which is not limited here.

[0050] Specifically, with reference to Figure 1The box body 100 is further provided with a second waste gas outlet 150, the second waste gas outlet 150 is communicated with the inner cavity 110, and the second waste gas outlet 150 is communicated with the fan 310. By arranging the second waste gas outlet 150 on the box body 100 and being communicated with the fan 310, the waste gas generated in the drying process is realized to be secondly utilized, the airflow can be blown into the inner cavity 110 again through the fan 310, the heat of the airflow is reduced to be directly dissipated to the air, the energy consumption of the heating element to reheat the airflow is reduced, the heat utilization rate is improved, the temperature of the processing environment can be reduced, the processing environment is improved, and the comfort of workers is improved.

[0051] The utility model has been explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiment, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A dryer for a printing press, characterized in that The utility model relates to a drying device for substrate, which comprises: a box provided with an inner cavity, the box being provided with a feeding port and a discharging port communicating with the inner cavity; a conveying mechanism comprising a plurality of guide rollers, the guide rollers being rotatably arranged in the inner cavity, and the guide rollers being spaced apart to drive the substrate to be conveyed from the feeding port to the discharging port; a drying mechanism comprising a fan and a plurality of first air guide assemblies, each of the first air guide assemblies being communicated with the fan, the fan being used to output air flow to the first air guide assemblies, the first air guide assemblies being spaced apart in the inner cavity, and each of the first air guide assemblies comprising two air guide members symmetrically arranged on both sides of the substrate, the air guide members being used to guide the air flow to blow against the substrate.

2. The printer drying apparatus of claim 1, wherein, The air guide members are provided with two symmetrically arranged first air nozzles, and the air outlet ends of the first air nozzles are obliquely arranged towards each other.

3. The printer drying apparatus of claim 1, wherein, The drying mechanism further comprises a plurality of second air guide assemblies, each of the second air guide assemblies being communicated with the fan, the second air guide assemblies being spaced apart in the inner cavity, and each of the second air guide assemblies corresponding to a guide roller, each of the second air guide assemblies being provided with a second air nozzle, the second air nozzle being used to guide the air flow to move towards the guide roller so that the substrate abuts against the guide roller.

4. The printer drying apparatus of claim 3, wherein, The second air nozzles are arranged along the direction perpendicular to the normal line of the guide rollers.

5. The printer drying apparatus of claim 1, wherein, The drying mechanism further comprises a third air guide assembly, the third air guide assembly being communicated with the fan, the third air guide assembly being arranged at the feeding port, the third air guide assembly being provided with a third air nozzle, the third air nozzle being used to guide the air flow to blow against the guide roller, and the air outlet end of the third air nozzle being arranged away from the feeding port.

6. The printer drying apparatus of claim 1, wherein, The drying mechanism further comprises a fourth air guide assembly, the fourth air guide assembly being communicated with the fan, the fourth air guide assembly being arranged at the discharging port, the fourth air guide assembly being provided with a fourth air nozzle, the fourth air nozzle being used to guide the air flow to blow against the guide roller, and the air outlet end of the fourth air nozzle being arranged away from the discharging port.

7. The printer drying apparatus of claim 1, wherein The axes of the guide rollers are circumferentially spaced apart.

8. The printer drying apparatus of claim 1, wherein, The box is provided with a first waste gas outlet, the first waste gas outlet being communicated with the inner cavity, and the first waste gas outlet being connected with a filter assembly, the filter assembly being used to filter the air flow.

9. The printer drying apparatus of claim 1, wherein, The fan is connected with a heating member, the heating member being used to heat the air flow.

10. The printer drying apparatus of claim 9, wherein, The box is further provided with a second waste gas outlet, the second waste gas outlet being communicated with the inner cavity, and the second waste gas outlet being communicated with the fan.

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