A gluing system and method for producing transfer paper

Abstract

The application belongs to the technical field of papermaking, and particularly relates to a gumming system and a gumming method for transfer paper production, which comprises a gumming device, a post-drying device, a front-drying device and a gumming mechanism. The gumming device comprises a machine body, a first gumming roller and a second gumming roller. The post-drying device comprises a post-drying box and a hot air mechanism. The front-drying device comprises a front-drying box and a heating element. The gumming mechanism is arranged on one side of the first gumming roller and used for spraying sizing agent to the surface of the first gumming roller. The front-drying device is located on the feeding side of the gumming device, and the gumming mechanism is fixedly installed on the machine body. Compared with the prior art, the gumming quality of the transfer paper is improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of papermaking, and particularly relates to a gluing system and method for transfer paper production. BACKGROUND

[0002] Gluing, also known as sizing, is a common process in paper production. Through gluing, the water resistance of paper can be improved, and the hardness and strength of the paper can be improved. Currently widely used gluing systems or sizing systems generally include a gluing device composed of a sizing roller, a metering rod and the like, and a drying device for drying the sizing agent on the surface of the paper. For example, the metering device of the metering rod film transfer sizing machine disclosed in patent No. CN201420511188.1 includes a metering rod, a metering rod seat, a metering rod loading air bag, a metering rod adjusting block, a metering rod adjusting bolt, a metering rod seat clamping air bag, a sizing agent blocking plate and a metering device support. The metering roller is improved, the quality of the paper produced is improved, the sizing agent is saved, the production cost is reduced, and the production efficiency is high. However, it is found in the process of use that, due to the thread size problem of the metering rod, the sizing agent is very easy to cover and block the thread, so that the sizing agent at this position cannot be transferred to the paper, thereby causing gluing quality problems. In addition, since there are many types of sizing agents, their drying requirements are different, and the drying device in the existing gluing system cannot cope with the changes of the sizing agent in the production process, which easily causes defects in the sizing agent during the drying process due to different drying requirements of the sizing agent, further reducing the gluing quality. Therefore, it is necessary to make improvements. SUMMARY

[0003] The purpose of the present application is to provide a gluing system and method for transfer paper production, which improves the gluing quality.

[0004] Therefore, the present application provides a gluing system for transfer paper production, which comprises:

[0005] A gluing device, which comprises a machine body, a first sizing roller and a second sizing roller;

[0006] A post-drying device, which comprises a post-drying box and a hot air mechanism;

[0007] Further comprising:

[0008] A pre-drying device, which comprises a pre-drying box and a heating element;

[0009] A gluing mechanism, which is arranged on one side of the first sizing roller for spraying the sizing agent to the surface of the first sizing roller;

[0010] The pre-drying device is located on the feeding side of the gluing device, and the gluing mechanism is fixedly installed on the machine body.

[0011] In the technical solution, the front drying device can pre-dry the transfer paper before the sizing operation, remove the excess moisture on the surface of the transfer paper, expose the tiny gaps on the surface of the transfer paper, and then enable the sizing device to effectively attach the sizing agent to the surface of the transfer paper during the sizing operation, thereby improving the sizing quality of the transfer paper.

[0012] In the above technical solution, further, the sizing mechanism further comprises:

[0013] The sizing pipe is provided with a plurality of glue liquid nozzles, and the glue liquid nozzles can spray the sizing agent in mist form;

[0014] The plurality of glue liquid nozzles are uniformly and interval distributed along the length direction of the sizing pipe.

[0015] In the technical solution, the sizing pipe can spray the sizing agent in mist form through the plurality of glue liquid nozzles, and spray the mist-shaped glue liquid to the surface of the first sizing roller, so that the sizing agent is uniformly covered on the surface of the first sizing roller. The glue liquid nozzle mode replaces the metering rod sizing, which can effectively prevent the blockage phenomenon and ensure the sizing effect.

[0016] In the above technical solution, further, the sizing mechanism further comprises:

[0017] The air curtain pipe is located below the sizing pipe, and the air curtain pipe is provided with a plurality of air outlet grooves, and the air curtain pipe is used to improve the uniformity of the glue liquid distribution on the first sizing roller;

[0018] The plurality of air outlet grooves are uniformly and interval distributed along the length direction of the air curtain pipe.

[0019] In the technical solution, the air curtain pipe can generate an air curtain to make the mist-shaped glue liquid more uniformly adhere to the surface of the first sizing roller, thereby further improving the sizing effect of the transfer paper.

[0020] In the above technical solution, further, the rear drying box further comprises:

[0021] The first drying cavity is arranged on the left side inside the rear drying box;

[0022] The second drying cavity is arranged on the right side inside the rear drying box;

[0023] The first drying cavity and the second drying cavity are provided with a channel for air flow and transfer paper conveying.

[0024] Further comprising:

[0025] The reversing mechanism is arranged between the hot air mechanism and the rear drying box for adjusting the flow direction of the hot air.

[0026] In the technical solution, the glue solution on the surface of the transfer paper is dried after the transfer paper is glued, the transfer paper sequentially passes through the first drying cavity and the second drying cavity after entering the post-drying box, the hot air flow generated by the hot air mechanism flows from the first drying cavity to the second drying cavity, the flow direction of the hot air flow can be changed through the reversing mechanism, so that the hot air flow flows from the second drying cavity to the first drying cavity, thereby adapting to the drying requirements of different sizing agents and improving the sizing effect of the transfer paper.

[0027] In the above technical solution, further, the reversing mechanism further comprises:

[0028] The reversing box is arranged above the post-drying box.

[0029] The partition plate has an I-shaped cross section, and the partition plate can divide the reversing box into a left air outlet cavity, a right air outlet cavity, an upper air duct and a lower air duct.

[0030] The air door can be opened and closed to control the communication between the left air outlet cavity, the right air outlet cavity, the upper air duct and the lower air duct.

[0031] The exhaust pipe is in communication with the lower air duct.

[0032] The upper air duct and the lower air duct are located between the left air outlet cavity and the right air outlet cavity, the upper air duct is in communication with the hot air mechanism, the left air outlet cavity is in communication with the first drying cavity, and the right air outlet cavity is in communication with the second drying cavity.

[0033] In the technical solution, the upper air duct is communicated with the left air outlet cavity, and the lower air duct is communicated with the right air outlet cavity, at this time, the hot air flow generated by the hot air mechanism enters the upper air duct and then flows to the first drying cavity through the left air outlet cavity, so that the heat contained in the hot air flow can be transmitted to the transfer paper at the first time, the glue solution on the surface of the transfer paper is quickly dried, then the hot air flow enters the second drying cavity, the residual heat in the hot air flow can be contacted with the surface of the transfer paper in the second drying cavity, and the glue solution on the surface of the transfer paper is consolidated and dried, finally, the airflow losing heat flows to the lower air duct through the right air outlet cavity and then is discharged from the lower air duct, through the communication between the upper air duct and the right air outlet cavity and the communication between the lower air duct and the left air outlet cavity, at this time, the hot air flow generated by the hot air mechanism enters the upper air duct and then flows to the second drying cavity through the right air outlet cavity, the heat of the hot air flow is first radiated to the second drying cavity, then the residual heat in the hot air flow flows to the first drying cavity, the glue solution on the surface of the transfer paper in the first drying cavity is pre-dried, so that the quality problem of the glue solution on the surface of the transfer paper due to too fast drying speed is prevented, then the transfer paper enters the second drying cavity, the second drying cavity performs main drying operation on the transfer paper again, finally, the hot air flow enters the left air outlet cavity from the first drying cavity and then flows to the lower air duct, and is discharged from the lower air duct, compared with the prior art, the present application can effectively meet the drying needs of different sizing agents, reduce the defect phenomenon of glue solution in the drying process, and further improve the sizing quality.

[0034] In the above technical solution, further comprising:

[0035] The composite heat insulation layer is arranged on the inner wall of the rear drying box.

[0036] The composite heat insulation layer further comprises:

[0037] The first heat radiation reflection layer can be a gold foil;

[0038] The first heat resistance layer can be a silicate;

[0039] The second heat radiation reflection layer can be a nickel foil;

[0040] The second heat resistance layer can be rock wool;

[0041] The first heat radiation reflection layer, the first heat resistance layer, the second heat radiation reflection layer and the second heat resistance layer are arranged from inside to outside.

[0042] In the technical solution, the multi-layer heat insulation and preservation structure of the first heat radiation reflection layer, the first heat resistance layer, the second heat radiation reflection layer and the second heat resistance layer can effectively prevent the heat in the post-drying box from being dissipated outward, improve the utilization efficiency of heat energy, and enable the post-drying device to effectively perform drying operation in a low-temperature environment, thereby ensuring the sizing quality of the transfer paper in an extreme environment.

[0043] In the above technical solution, the application further discloses a sizing method suitable for the sizing system for producing the transfer paper, and the sizing method comprises the following steps:

[0044] S1, pre-drying: before the transfer paper is subjected to the sizing process, the transfer paper is subjected to the pre-drying device, and the pre-drying device can remove the excess moisture on the surface of the transfer paper, so that the sizing agent can be fully penetrated into the gap of the transfer paper;

[0045] S2, sizing: after the pre-drying of the transfer paper, the transfer paper is subjected to the sizing device, the sizing pipe sprays the sizing agent in the form of mist and the sizing agent is attached to the surface of the first sizing roller, and the air curtain pipe can generate an air curtain to make the mist-shaped sizing agent more uniformly attached to the surface of the first sizing roller, and when the transfer paper passes through the first sizing roller and the second sizing roller, the sizing agent is transferred to the surface of the transfer paper;

[0046] S3, sizing agent drying: the sized transfer paper is moved from the sizing device to the post-drying device, and in the process that the transfer paper passes through the post-drying box, the hot air mechanism generates hot air and delivers the hot air to the post-drying box to dry the sizing agent attached to the surface of the transfer paper;

[0047] S4, flow direction adjustment: the opening and closing of the air door are controlled to adjust the flow direction of the hot air, so that the hot air can flow from the first drying cavity to the second drying cavity or from the second drying cavity to the first drying cavity after being output by the hot air mechanism;

[0048] S5, collection: the sized transfer paper is collected and properly stored.

[0049] In the technical solution, the sizing method is used for the sizing operation of the transfer paper, and the sizing quality of the transfer paper can be effectively improved, and the operation method is simple and suitable for wide application.

[0050] The application has the following beneficial effects:

[0051] 1. The pre-drying device can pre-dry the transfer paper, so that the tiny gap on the surface of the transfer paper is exposed, the sizing device can effectively attach the sizing agent to the surface of the transfer paper, and the sizing quality of the transfer paper is improved;

[0052] 2. The sizing pipe and the air curtain pipe are arranged to prevent the occurrence of the blockage phenomenon and further improve the sizing effect;

[0053] 3. By the setting of the reversing mechanism, the flow direction of the hot air flow can be changed, so as to adapt to the drying requirements of different sizing agents, and the sizing effect of the transfer paper is improved;

[0054] 4. By the setting of the composite heat insulation layer, the heat in the rear drying box can be effectively prevented from being dissipated outward, the utilization efficiency of heat energy is improved, and the rear drying device can also effectively perform drying operation in a low temperature environment, and the sizing quality of the transfer paper in an extreme environment is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0055] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0056] Figure 1 is a structural schematic view of the specific embodiment of the present application.

[0057] Figure 2 is a structural schematic view of the sizing mechanism of the present application.

[0058] Figure 3 is a structural schematic view of the rear drying device of the present application.

[0059] Figure 4 is a structural schematic view of the rear drying device of the present application. Figure 3 is a structural schematic view of the rear drying device of the present application.

[0060] Figure 5 is a structural schematic view of the composite heat insulation layer of the present application.

[0061] The marks in the drawings represent:

[0062] 1 - sizing device, 100 - machine body, 101 - first sizing roller, 102 - second sizing roller, 2 - rear drying device, 200 - hot air mechanism, 3 - rear drying box, 30 - first drying cavity, 31 - second drying cavity, 4 - front drying device, 5 - sizing mechanism, 50 - sizing pipe, 51 - glue liquid nozzle, 52 - air curtain pipe, 53 - air outlet groove, 6 - reversing mechanism, 60 - reversing box, 61 - partition plate, 610 - left air outlet cavity, 611 - right air outlet cavity, 612 - upper air duct, 613 - lower air duct, 62 - air door, 63 - exhaust pipe, 7 - composite heat insulation layer, 70 - first heat radiation reflection layer, 71 - first heat resistance layer, 72 - second heat radiation reflection layer, 73 - second heat resistance layer. DETAILED DESCRIPTION

[0063] Clearly, the embodiments described are only a part of all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative effort shall fall within the scope of the present application.

[0064] In the description of the present application, it should be noted that the terms used herein are only intended to describe specific embodiments and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn in proportion. The techniques, methods, and devices known to those skilled in the relevant art can not be discussed in detail, but should be considered as part of the authorized description. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numbers and letters represent similar items in the following drawings, and therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0065] It should be noted that the terms "first", "second", and the like in the specification and claims of the present application are used to distinguish similar objects, and are not intended to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than that illustrated or described herein, and the objects distinguished by "first", "second", etc. are usually a class, not limited to the number of objects, for example, the first object can be one or more. In addition, "and / or" in the specification and claims indicates at least one of the connected objects, and the character " / ", generally indicates that the associated objects before and after are in an "or" relationship.

[0066] It should be noted that in the description of the present application, the orientation terms such as "front, rear, upper, lower, left, right", "transverse, vertical, perpendicular, horizontal", and "top, bottom" and the like indicate the orientation or positional relationship shown in the drawings, and are only intended to facilitate the description of the present application and simplify the description, and in the absence of the opposite description, these orientation terms do not indicate and imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the scope of protection of the present application; the orientation terms "inner, outer" refer to the inner and outer relative to the contour of each component.

[0067] It should be noted that in this application, the terms "comprising", "including", or any other variant thereof, are intended to cover non-exclusive inclusion, so that processes, methods, articles or devices that include a series of elements not only include those elements, but also include other elements not explicitly listed, or inherent to such processes, methods, articles or devices. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article or device including the element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, but can also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method can be performed in an order different from that described, and various steps can also be added, omitted or combined. In addition, the features described with reference to certain examples can be combined in other examples.

[0068] Embodiment 1:

[0069] The embodiment of the present application provides a gluing system for transfer paper production, which comprises a gluing device 1, the gluing device 1 comprising a machine body 100, a first gluing roller 101 and a second gluing roller 102; a rear drying device 2, the rear drying device 2 comprising a rear drying box 3 and a hot air mechanism 200;

[0070] Further comprising: a front drying device 4, the front drying device 4 comprising a front drying box and a heating element; a gluing mechanism 5, the gluing mechanism 5 being arranged on one side of the first gluing roller 101 and used for spraying sizing agent to the surface of the first gluing roller 101;

[0071] The front drying device 4 is located on the feeding side of the gluing device 1, and the gluing mechanism 5 is fixedly installed on the machine body 100.

[0072] In addition, the machine body 100 is a conventional machine body 100 for the gluing device 1 in the field, the first gluing roller 101 and the second gluing roller 102 are installed on the machine body 100 in a conventional installation manner of the gluing device 1 in the field, the first gluing roller 101 and the second gluing roller 102 are conventional gluing rollers in the field, the hot air mechanism 200 is a conventional drying hot air generator in the field, the front drying box is provided with a channel for the transfer paper to pass through, the heating element is installed in the channel, and the heating element is a conventional heating element such as an electric heating pipe in the field.

[0073] In the embodiment, the front drying device 4 can pre-dry the transfer paper before the gluing operation, remove the excess moisture on the surface of the transfer paper, expose the tiny gaps on the surface of the transfer paper, and then enable the gluing device 1 to effectively attach the sizing agent to the surface of the transfer paper during the gluing operation, thereby improving the gluing quality of the transfer paper.

[0074] Embodiment 2:

[0075] The embodiment provides a gumming system for transfer paper production, in addition to the technical scheme of the above embodiment, further has the following technical features, the gumming mechanism 5 further includes: a gumming pipe 50, a plurality of glue liquid nozzles 51 are arranged on the gumming pipe 50, the glue liquid nozzles 51 can spray sizing agent in mist form;

[0076] Wherein, a plurality of glue liquid nozzles 51 are uniformly distributed along the length direction of the gumming pipe 50.

[0077] And, the gumming pipe 50 is installed on the machine body 100, the gumming pipe 50 is a hollow and one end closed circular pipe, the glue liquid nozzle 51 is communicated with the inside of the gumming pipe 50, the gumming pipe 50 is parallel with the first gumming roller 101, the unsealed end of the gumming pipe 50 is connected with the sizing agent storage tank, and the high-pressure pump is connected between the gumming pipe 50 and the sizing agent storage tank.

[0078] In the embodiment, the sizing agent can be sprayed by the plurality of glue liquid nozzles 51 in mist form, and the mist glue liquid is sprayed to the surface of the first gumming roller 101, so that the sizing agent is uniformly covered on the surface of the first gumming roller 101, the glue liquid nozzle 51 is used instead of the metering rod gumming, and the occurrence of the blockage phenomenon can be effectively prevented, and the gumming effect is ensured.

[0079] Embodiment 3:

[0080] The embodiment provides a gumming system for transfer paper production, in addition to the technical scheme of the above embodiment, further has the following technical features, the gumming mechanism 5 further includes: a wind curtain pipe 52, the wind curtain pipe 52 is located below the gumming pipe 50, a plurality of air outlet grooves 53 are arranged on the wind curtain pipe 52, and the wind curtain pipe 52 is used to improve the distribution uniformity of glue liquid on the first gumming roller 101.

[0081] Wherein, a plurality of air outlet grooves 53 are uniformly distributed along the length direction of the wind curtain pipe 52.

[0082] And, the wind curtain pipe is installed on the machine body, the wind curtain pipe is a hollow and one end closed circular pipe, the unsealed end of the wind curtain pipe is connected with the high-pressure gas source, the spacing between the air outlet groove and the first gumming roller is less than the spacing between the glue liquid nozzle and the first gumming roller, and the included angle between the air outlet groove and the surface of the first gumming roller is 12°-18°.

[0083] In the embodiment, the wind curtain pipe can generate a wind curtain, so that the mist glue liquid is more uniformly attached to the surface of the first gumming roller, and the gumming effect of the transfer paper is further improved.

[0084] Embodiment 4:

[0085] The embodiment provides a gumming system for transfer paper production.

[0086] The first drying cavity 30 and the second drying cavity 31 are connected through a channel.

[0087] The rear drying device 2 further comprises a reversing mechanism 6 arranged between the hot air mechanism 200 and the rear drying box 3 and used for adjusting the flow direction of the hot air.

[0088] The reversing mechanism 6 further comprises a reversing box 60 arranged above the rear drying box 3, a partition plate 61 with a cross-section in the shape of an I-shaped section, the reversing box is divided into a left air outlet cavity 610, a right air outlet cavity 611, an upper air duct 612 and a lower air duct 613, an air door 62 used for controlling the communication between the left air outlet cavity 610, the right air outlet cavity 611, the upper air duct 612 and the lower air duct 613, and an exhaust pipe 63 in communication with the lower air duct 613.

[0089] The upper air duct 612 and the lower air duct 613 are located between the left air outlet cavity 610 and the right air outlet cavity 611, the upper air duct 612 is in communication with the hot air mechanism 200, the left air outlet cavity 610 is in communication with the first drying cavity 30, and the right air outlet cavity 611 is in communication with the second drying cavity 31.

[0090] The first drying cavity 30 and the second drying cavity 31 are connected through a channel.

[0091] In this embodiment, by connecting the upper air duct 612 with the left air outlet cavity 610 and connecting the lower air duct 613 with the right air outlet cavity 611, the hot air flow generated by the hot air mechanism 200 enters the upper air duct 612 and then flows into the first drying chamber 30 through the left air outlet cavity 610, so that the heat contained in the hot air flow can be transmitted to the transfer paper in the first time, and the glue solution on the surface of the transfer paper can be quickly dried. Then the hot air flow enters the second drying chamber 31, and the residual heat in the hot air flow can contact the surface of the transfer paper in the second drying chamber 31 to consolidate and dry the glue solution on the surface of the transfer paper. Finally, the airflow loses heat and enters the right air outlet cavity 611 and flows to the lower air duct 613, and is finally discharged from the lower air duct 613. By connecting the upper air duct 612 with the right air outlet cavity 611 and connecting the lower air duct 613 with the left air outlet cavity 610, the hot air flow generated by the hot air mechanism 200 enters the upper air duct 612 and then flows into the second drying chamber 31 through the right air outlet cavity 611. The heat of the hot air flow is first radiated to the second drying chamber, and then the residual heat in the hot air flow flows into the first drying chamber 30 to pre-dry the glue solution on the surface of the transfer paper entering the first drying chamber 30, so as to prevent the glue solution on the surface of the transfer paper from appearing quality problems due to too fast drying speed. Then the transfer paper enters the second drying chamber 31, and the second drying chamber 31 performs main drying operation on the transfer paper again. Finally, the hot air flow enters the left air outlet cavity 610 from the first drying chamber 30 and flows to the lower air duct 613, and is finally discharged from the lower air duct 613. Compared with the prior art, the present application can effectively meet the drying needs of different sizing agents, reduce the phenomenon of defects in the drying process of the glue solution, and further improve the sizing quality.

[0092] Embodiment 5:

[0093] The embodiment provides a sizing system for transfer paper production. In addition to the technical solutions of the above-mentioned embodiments, the sizing system further has the following technical features. The sizing system further comprises a composite heat insulation layer 7 arranged on the inner wall of the rear drying box 3.

[0094] The composite heat insulation layer 7 further comprises a first heat radiation reflection layer 70, a first heat resistance layer 71, a second heat radiation reflection layer 72 and a second heat resistance layer 73.

[0095] The first heat radiation reflection layer 70, the first heat resistance layer 71, the second heat radiation reflection layer 72 and the second heat resistance layer 73 are arranged in sequence from the inside to the outside.

[0096] Furthermore, the first heat radiation reflection layer 70, the first heat resistance layer 71, the second heat radiation reflection layer 72 and the second heat resistance layer 73 are fixedly connected with each other, and the first heat radiation reflection layer 70 is fixedly connected with the inner wall of the drying box.

[0097] In this embodiment, the multi-layer heat insulation structure of the first heat radiation reflection layer 70, the first heat resistance layer 71, the second heat radiation reflection layer 72, and the second heat resistance layer 73 can effectively prevent the heat in the post-drying box 3 from dissipating outward, improve the utilization efficiency of heat energy, and enable the post-drying device 2 to effectively perform drying operations in a low-temperature environment, thereby ensuring the sizing quality of the transfer paper in extreme environments.

[0098] Embodiment 6:

[0099] The embodiment provides a sizing method suitable for the sizing system for producing the transfer paper, in addition to the technical solutions of the above-mentioned embodiments, and has the following technical features, including the following steps.

[0100] S1, pre-drying: Before the transfer paper is subjected to the sizing process, the transfer paper is subjected to the pre-drying device 4, which can remove the excess moisture on the surface of the transfer paper, so that the sizing agent can fully penetrate into the gaps of the transfer paper;

[0101] S2, sizing: After the pre-drying of the transfer paper, the transfer paper enters the sizing device 1, the sizing pipe 50 sprays the sizing agent in the form of mist and the sizing agent is attached to the surface of the first sizing roller 101, and the air curtain pipe 52 can generate an air curtain to make the mist-shaped sizing agent more uniformly attached to the surface of the first sizing roller 101, when the transfer paper passes through the first sizing roller 101 and the second sizing roller 102, the sizing agent is transferred to the surface of the transfer paper;

[0102] S3, sizing agent drying: the sized transfer paper is moved from the sizing device to the post-drying device 2, and in the process of passing through the post-drying box 3, the hot air mechanism 200 generates hot air and delivers the hot air to the post-drying box 3 to dry the sizing agent attached to the surface of the transfer paper;

[0103] S4, flow direction adjustment: by controlling the opening and closing of the air door 62, the flow direction of the hot air is adjusted, so that the hot air can flow from the first drying cavity 30 to the second drying cavity 31 or from the second drying cavity 31 to the first drying cavity 30 after being output by the hot air mechanism 200;

[0104] S5, collection: the sized transfer paper is collected and properly stored.

[0105] In this embodiment, the sizing method is used to perform the sizing operation on the transfer paper, which can effectively improve the sizing quality of the transfer paper, and the operation method is simple and suitable for wide application.

[0106] The embodiments of the present application are described above with reference to the drawings, and the embodiments and features in the embodiments of the present application can be combined with each other without conflict, and the present application is not limited to the above-described specific embodiments, and the above-described specific embodiments are only illustrative but not restrictive, and a person of ordinary skill in the art can make many forms under the inspiration of the present application without departing from the purpose of the present application and the scope protected by the claims, and all belong to the protection of the present application.

Claims

1. A gumming system for transfer paper production, characterized by, The application relates to a paper sizing device, which comprises the following parts: a sizing device (1) comprising a body (100), a first sizing roller (101) and a second sizing roller (102); a post-drying device (2) comprising a post-drying box (3) and a hot air mechanism (200); the application further comprises: a pre-drying device (4) comprising a pre-drying box and a heating element; a sizing mechanism (5) arranged on one side of the first sizing roller (101) for spraying sizing agent onto the surface of the first sizing roller (101); wherein the pre-drying device (4) is arranged on the feeding side of the sizing device (1), and the sizing mechanism (5) is fixedly arranged on the body (100); the sizing mechanism (5) further comprises: a sizing pipe (50) provided with a plurality of glue liquid nozzles (51), which can spray the sizing agent in mist form; an air curtain pipe (52) arranged below the sizing pipe (50), which is provided with a plurality of air outlet grooves (53) and is used for improving the uniformity of glue liquid distribution on the first sizing roller (101); wherein the plurality of glue liquid nozzles (51) are uniformly and interval arranged along the length direction of the sizing pipe (50), and the plurality of air outlet grooves (53) are uniformly and interval arranged along the length direction of the air curtain pipe (52); the post-drying box (3) further comprises: a first drying cavity (30) arranged on the left side in the post-drying box (3); a second drying cavity (31) arranged on the right side in the post-drying box (3); wherein a channel is arranged between the first drying cavity (30) and the second drying cavity (31) for air flow and paper conveying; the post-drying device (2) further comprises: a reversing mechanism (6) arranged between the hot air mechanism (200) and the post-drying box (3) for adjusting the flow direction of hot air; the reversing mechanism (6) further comprises: a reversing box (60) arranged above the post-drying box (3); a partition plate (61) with an I-shaped cross section, which can divide the reversing box into a left air outlet cavity (610), a right air outlet cavity (611), an upper air duct (612) and a lower air duct (613); an air door (62) which can be opened and closed to control the communication among the left air outlet cavity (610), the right air outlet cavity (611), the upper air duct (612) and the lower air duct (613); an air exhaust pipe (63) in communication with the lower air duct (613); wherein the upper air duct (612) and the lower air duct (613) are arranged between the left air outlet cavity (610) and the right air outlet cavity (611), the upper air duct (612) is in communication with the hot air mechanism (200), the left air outlet cavity (610) is in communication with the first drying cavity (30), and the right air outlet cavity (611) is in communication with the second drying cavity (31).

2. The gumming system for producing a transfer paper according to claim 1, wherein the application further comprises: A composite heat insulation layer (7) is arranged on the inner wall of the rear drying box (3).

3. The gumming system for producing a transfer paper according to claim 2, wherein The composite heat insulation layer (7) further comprises: A first heat radiation reflection layer (70) is a gold foil; A first heat resistance layer (71) is a silicate; A second heat radiation reflection layer (72) is a nickel foil; A second heat resistance layer (73) is rock wool; The first heat radiation reflection layer (70), the first heat resistance layer (71), the second heat radiation reflection layer (72), and the second heat resistance layer (73) are arranged in order from inside to outside.

4. A method for applying a size to the transfer paper production system according to claim 3, characterized by, The method comprises the following steps: S1, pre-drying: before the transfer paper is subjected to the sizing process, the transfer paper is subjected to the pre-drying device (4), which removes the excess moisture on the surface of the transfer paper, so as to ensure that the sizing agent can fully penetrate into the gaps of the transfer paper; S2, sizing: after the pre-drying, the transfer paper enters the sizing device (1), the sizing pipe (50) sprays the sizing agent in the form of mist and makes the sizing agent adhere to the surface of the first sizing roller (101), at the same time, the air curtain pipe (52) generates an air curtain to make the mist-shaped sizing agent more uniformly adhere to the surface of the first sizing roller (101), when the transfer paper passes through the first sizing roller (101) and the second sizing roller (102), the sizing agent is transferred to the surface of the transfer paper; S3, sizing agent drying: the transfer paper after the sizing is moved from the sizing device to the rear drying device (2), in the process of passing through the rear drying box (3), the hot air mechanism (200) generates hot air and delivers the hot air to the rear drying box (3) to dry the sizing agent adhered to the surface of the transfer paper; S4, flow adjustment: by controlling the opening and closing of the air door (62), the flow direction of the hot air is adjusted, so that the hot air can flow from the first drying cavity (30) to the second drying cavity (31), or from the second drying cavity (31) to the first drying cavity (30) after being output by the hot air mechanism (200); S5, collection: the transfer paper after the sizing is collected and properly stored.

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