Corrugated paperboard coating spray device and method thereof

By designing a pneumatic material collection device, the problem of insensitive control of the spraying range in corrugated cardboard coating spraying device was solved, realizing stepless adjustment of the spraying range and efficient utilization of the coating, thereby improving spraying efficiency and environmental friendliness.

CN121155826BActive Publication Date: 2026-02-06FUJIAN PROVINCE NANANHENGFA PAPER PROD PACKING FACTORY
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Patent Information

Application Number
CN202511696982.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-11-19
Publication Date
2026-02-06
Estimated Expiration
2045-11-19

AI Technical Summary

Technical Problem

Existing corrugated cardboard coating spraying equipment lacks sensitivity in controlling the spraying range, leading to paint waste and pollution, and its spray area adjustment is inflexible.

Method used

A pneumatic material collection device is adopted, including a pneumatic rotating cylinder and an annular jet nozzle. The actuating plate is driven by a power fan to rotate, thereby changing the spray range of the spray nozzle and achieving stepless adjustment.

Benefits of technology

It enables rapid, stepless adjustment of the spraying range, avoids paint dripping, and improves spraying efficiency and environmental friendliness.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to a kind of corrugated paper coating spraying device and method thereof, it is related to net corrugated paper spraying technical field, including rack, feeding system, spraying translation system, spraying lifting system, spraying system, pneumatic aggregate device and drying system, feeding system is installed on rack, drying system is installed on rack, spraying translation system is installed on rack, drying system and spraying translation system are located feeding system upside, spraying lifting system is installed on spraying translation system, spraying system is installed on spraying lifting system, spraying system has spray port, pneumatic aggregate device includes pneumatic rotary cylinder and annular air jet, pneumatic rotary cylinder is rotatably installed outside spray port, annular air jet is installed outside spray port side, power fan adapted to annular air jet is provided on the outside of pneumatic rotary cylinder, the position of pneumatic rotary cylinder close to spray port is equipped with several pointing spray port's push plate, can realize the quick adjustment of spraying range.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of corrugated paper spraying technology, in particular to a corrugated paper coating spraying device and method. BACKGROUND

[0002] The corrugated paper coating spraying device is a key equipment on a corrugated paper production line, which is used for uniformly and efficiently spraying a functional or decorative liquid coating to the surface of the corrugated paper.

[0003] The corrugated paper coating spraying device is a complex system integrating fluid delivery, precision atomization, motion control, automation and environmental protection technology. The core goal is to efficiently, uniformly, economically and environmentally apply a specific liquid coating to the surface of the paperboard at a high speed running corrugated paper production line to give it the required functionality or decoration. With the increasing environmental requirements and increasing functional requirements, efficient and high utilization rate spraying technology, such as electrostatic, ultrasonic and water-based / UV coating, is becoming more and more important.

[0004] The existing corrugated paper coating spraying process is not sensitive enough to control the spraying range, which often causes waste of coating, and the specific performance is that when the spraying area of the atomizing head is controlled to be changed, the material often gathers and falls in drops at the position of the spraying head, which causes the problem of pollution of the corrugated paperboard, and the existing sprayer often only has fixed several gears, and the spraying area adjustment is not sensitive. SUMMARY

[0005] In order to overcome the technical defects existing in the prior art, the present application provides a corrugated paper coating spraying device and method, which can realize rapid stepless adjustment of the spraying range.

[0006] The technical solution adopted by the present application is:

[0007] A corrugated paper coating spraying device, comprising a rack, a feeding system, a spraying translation system, a spraying lifting system, a spraying system, a pneumatic material collecting device and a drying system, the feeding system is installed on the rack, the drying system is installed on the rack, the spraying translation system is installed on the rack, the drying system and the spraying translation system are located on the upper side of the feeding system, the spraying lifting system is installed on the spraying translation system, the spraying system is installed on the spraying lifting system, the spraying system has a spraying port, the pneumatic material collecting device comprises a pneumatic rotating cylinder and a ring-shaped air jet port, the pneumatic rotating cylinder is rotatably installed outside the spraying port through a bearing, the ring-shaped air jet port is installed outside the spraying port, a power fan adapted to the ring-shaped air jet port is arranged on the outside of the pneumatic rotating cylinder, and a plurality of poking plates pointing to the spraying port are arranged at the position close to the spraying port of the pneumatic rotating cylinder.

[0008] Preferably, the feeding system includes a feeding conveyor belt, a plurality of conveyor rollers and a conveyor motor. The conveyor belt is wound around each conveyor roller, the conveyor motor is mounted on a frame, each conveyor roller is rotatably mounted on the frame, and the conveyor motor is drivenly connected to one of the conveyor rollers.

[0009] Preferably, the spraying translation system includes a spraying lateral movement device and a spraying longitudinal movement device. The spraying lateral movement device is slidably mounted on the frame, and the spraying longitudinal movement device is slidably mounted on the spraying lateral movement device. The sliding directions of the spraying lateral movement device and the spraying longitudinal movement device are perpendicular to each other, and the spraying lifting system is mounted on the spraying longitudinal movement device.

[0010] Preferably, the spraying lifting system includes a spraying lifting frame and a spraying lifting cylinder. The spraying system is mounted on the spraying lifting frame, the spraying lifting frame is slidably mounted on the spraying translation system, the spraying lifting cylinder is mounted on the spraying translation system, and the spraying lifting frame is mounted on the output end of the spraying lifting cylinder.

[0011] Preferably, the spraying system includes a spraying pipe and several material cylinders, each of the material cylinders being connected to the spraying pipe, and the pneumatic rotary cylinder being rotatably mounted on the lower side of the spraying pipe via a bearing, with the end of the spraying pipe forming a spray nozzle.

[0012] Preferably, the annular jet nozzle extends toward the power fan.

[0013] Preferably, the drying system includes a drying hood and several drying fans. The drying hood is mounted on a frame, the drying fans are connected to the drying hood, and the drying hood is located above the feeding system.

[0014] A method for coating corrugated cardboard includes the following steps:

[0015] S1: The feeding system conveys corrugated cardboard;

[0016] S2: The spraying translation system moves the spraying system, thereby changing the spraying position of the spraying system;

[0017] S3: The spraying lifting system drives the spraying system to rise and fall, adjusting the spraying height;

[0018] S4: The annular jet nozzle blows the power fan, causing the actuating plate to rotate and change the spray range of the nozzle.

[0019] The beneficial effects of this invention are:

[0020] The feeding system is installed on the rack to realize paperboard feeding, the drying system is installed on the rack, the drying system blows hot air to the corrugated paperboard conveyed by the feeding system to realize drying, the spraying translation system is installed on the rack, the spraying translation system is used to drive the spraying system to translate on the side of the rack, the drying system and the spraying translation system are located on the upper side of the feeding system, the spraying lifting system is installed on the spraying translation system, the spraying system is installed on the spraying lifting system, the spraying lifting system is used to change the height of the spraying system, the spraying system has a spraying port, the spraying port is used to spray coating material, the pneumatic material collecting device comprises a pneumatic rotating cylinder and a ring-shaped air jet port, the pneumatic rotating cylinder is rotatably installed outside the spraying port through a bearing, the ring-shaped air jet port is annularly installed on the outside of the spraying port, a power fan adapted to the ring-shaped air jet port is arranged on the outside of the pneumatic rotating cylinder, the position of the pneumatic rotating cylinder close to the spraying port is provided with a plurality of poking plates pointing to the spraying port, the poking plates are arranged in a radial shape with the spraying port as the center at the end of the spraying port, the ring-shaped air jet port blows air, the power fan drives the pneumatic rotating cylinder to rotate, so that the poking plates rotate, when the poking plates rotate around the spraying port, the air at the position of the spraying port is sucked to the outside of the spraying port, so that the faster the poking plates rotate, the larger the spreading area of the spraying port, and the slower the poking plates rotate, the smaller the spreading area of the spraying port, thereby changing the spraying area of the spraying port.

[0021] Specifically, the spraying port sprays coating material, the ring-shaped air jet port maintains the rotation of the power fan, thereby driving the poking plates to rotate, when the poking plates rotate, the air between adjacent poking plates is thrown out in a direction away from the spraying port, when the adjacent poking plates suck air out of the direction of the spraying port, the spreading area of the sprayed material of the spraying port is changed, specifically, when the ring-shaped air jet port changes the spraying speed to increase, the rotation speed of the poking plates follows to increase, thereby increasing the speed at which the adjacent poking plates suck air out of the spraying port, increasing the spreading area of the spraying port, when the ring-shaped air jet port changes the spraying speed to decrease, the rotation speed of the poking plates follows to decrease, thereby decreasing the speed at which the adjacent poking plates suck air out of the spraying port, decreasing the spreading area of the spraying port, since the poking plates are not in direct contact with the spraying port, the material will not gather into drops to cause dripping, and since the rotation speed of the poking plates determines the spraying area, and the rotation speed of the poking plates depends on the air jet speed of the ring-shaped air jet port, therefore, by changing the opening degree of the air valve communicated with the ring-shaped air jet port, the speed of the ring-shaped air jet port can be steplessly controlled, thereby steplessly controlling the spreading area of the spraying port. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the present application.

[0023] Figure 2 It is another perspective structural schematic diagram of the present application.

[0024] Figure 3 Fig. 4 is a schematic diagram of a spraying lifting system structure.

[0025] Figure 4 Fig. 5 is a schematic diagram of a pneumatic material collecting device structure.

[0026] Figure 5 Fig. 6 is a schematic diagram of a spraying system structure. Figure 4 Fig. 7 is an enlarged schematic diagram of A in Fig. 6.

[0027] Figure 6 Fig. 8 is a schematic diagram of a pneumatic rotating cylinder structure.

[0028] Figure 7 Fig. 9 is a schematic diagram of a pneumatic rotating cylinder from a bottom view.

[0029] Explanation of reference signs:

[0030] 1. frame

[0031] 2. feeding system

[0032] 3. spraying translation system; 31, spraying horizontal translation device; 32, spraying vertical translation device

[0033] 4. spraying lifting system; 41, spraying lifting frame; 43, spraying lifting cylinder

[0034] 5. spraying system; 51, spraying pipe; 52, material cylinder

[0035] 6. pneumatic material collecting device; 61, pneumatic rotating cylinder; 611, power fan; 612, shifting plate; 613, material spraying opening; 62, annular air jet

[0036] 7. drying system DETAILED DESCRIPTION

[0037] The present application is further described below in conjunction with the accompanying drawings:

[0038] As Figure 1 — Figure 7As shown, the embodiment provides a corrugated paper coating spraying device, which comprises a rack 1, a feeding system 2, a spraying translation system 3, a spraying lifting system 4, a spraying system 5, a pneumatic material collecting device 6 and a drying system 7, the feeding system 2 is installed on the rack 1 to realize paper feeding, the drying system 7 is installed on the rack 1, the drying system 7 blows hot air to the corrugated paper delivered by the feeding system 2 to realize drying, the spraying translation system 3 is installed on the rack 1 to drive the spraying system 5 to translate on the upper side of the rack 1, the drying system 7 and the spraying translation system 3 are located on the upper side of the feeding system 2, the spraying lifting system 4 is installed on the spraying translation system 3, the spraying system 5 is installed on the spraying lifting system 4, the spraying lifting system 4 is used to change the height of the spraying system 5, the spraying system 5 has a spraying port 613 used to spray coating material, the pneumatic material collecting device 6 comprises a pneumatic rotating cylinder 61 and a ring-shaped air jet port 62, the pneumatic rotating cylinder 61 is rotatably installed outside the spraying port 613 through a bearing, the ring-shaped air jet port 62 is annularly installed outside the spraying port 613, a power fan 611 adapted to the ring-shaped air jet port 62 is arranged outside the pneumatic rotating cylinder 61, a plurality of poking plates 612 directed to the spraying port 613 are arranged at the position of the pneumatic rotating cylinder 61 close to the spraying port 613, that is, each poking plate 612 is arranged at the end of the spraying port 613 in a radial shape around the spraying port 613, after the ring-shaped air jet port 62 blows air, the power fan 611 drives the pneumatic rotating cylinder 61 to rotate, so that each poking plate 612 rotates, when each poking plate 612 rotates around the spraying port 613, air at the position of the spraying port 613 is sucked to the outside of the spraying port 613, so that the faster the poking plate 612 rotates, the larger the spreading area of the spraying port 613, and the slower the poking plate 612 rotates, the smaller the spreading area of the spraying port 613, thereby changing the spraying area of the spraying port 613.

[0039] As Figure 5 and Figure 6As shown, the material spraying port 613 sprays coating material, the annular air jet port 62 maintains rotation of the power fan 611, and further drives the rotating plate 612 to rotate. When each rotating plate 612 rotates, air between adjacent rotating plates 612 is thrown out in a direction away from the material spraying port 613. When adjacent rotating plates 612 suck air out of the direction of the material spraying port 613, the spreading area of the material sprayed by the material spraying port 613 changes. Specifically, when the annular air jet port 62 changes the spraying speed to increase, the rotating speed of the rotating plate 612 follows to increase, and further increases the speed at which adjacent rotating plates 612 suck air out of the material spraying port 613, and the spreading area of the material spraying port 613 increases. When the annular air jet port 62 changes the spraying speed to decrease, the rotating speed of the rotating plate 612 follows to decrease, and further decreases the speed at which adjacent rotating plates 612 suck air out of the material spraying port 613, and the spreading area of the material spraying port 613 decreases. Since each rotating plate 612 does not directly contact the material spraying port 613, the material does not gather into drops to cause dripping. Since the rotating speed of the rotating plate 612 determines the spraying area, and the rotating speed of the rotating plate 612 depends on the air jet speed of the annular air jet port 62, the speed of the annular air jet port 62 can be steplessly controlled by changing the opening of the air valve connected to the annular air jet port 62, and further steplessly controls the spreading area of the material spraying port 613.

[0040] Specifically, the feeding system 2 includes a feeding conveyor belt, a plurality of conveying rollers, and a conveying motor. The conveying belt is arranged on the conveying rollers. The conveying motor is installed on the rack 1. The conveying rollers are rotatably installed on the rack 1. The conveying motor is in transmission connection with one of the conveying rollers. The paperboard is placed on the feeding conveyor belt to convey the corrugated paperboard.

[0041] Specifically, the spraying translation system 3 includes a spraying horizontal translation device 31 and a spraying vertical translation device 32. The spraying horizontal translation device 31 is slidably installed on the rack 1 through a commercially available sliding block sliding rail structure. The spraying horizontal translation device 31 is driven by a motor to roll along a meshed rack to realize horizontal translation. The spraying vertical translation device 32 is slidably installed on the spraying horizontal translation device 31 through a commercially available sliding block sliding rail structure. The spraying vertical translation device 32 is driven by a motor to roll along a meshed rack to realize vertical translation. The sliding mode and driving mode of the spraying horizontal translation device 31 and the spraying vertical translation device 32 are prior art, which will not be described here. The sliding directions of the spraying horizontal translation device 31 and the spraying vertical translation device 32 are perpendicular to each other to realize horizontal movement of the spraying system 5. The spraying lifting system 4 is installed on the spraying vertical translation device 32.

[0042] Specifically, the spraying lifting system 4 comprises a spraying lifting frame 41 and a spraying lifting cylinder 43, the spraying system 5 is installed on the spraying lifting frame 41, the spraying lifting frame 41 is slidably installed on the spraying translation system 3 through a sliding block sliding rail, the spraying lifting frame 41 rolls along the meshed rack through a motor driven gear, thereby achieving sliding on the spraying translation system 3, the sliding mode and driving mode of the spraying lifting frame 41 are prior art, and will not be described here again, the spraying lifting cylinder 43 is installed on the spraying translation system 3, the spraying lifting frame 41 is installed on the output end of the spraying lifting cylinder 43, the spraying lifting cylinder 43 drives the spraying lifting frame 41 to lift, thereby achieving lifting of the spraying system 5.

[0043] Specifically, the spraying system 5 comprises a spraying pipe 51 and a plurality of barrels 52, each barrel 52 is communicated with the spraying pipe 51, the barrel 52 is filled with pressure gas and is filled with spraying material, thereby achieving spraying, which is prior art and will not be described here again, the pneumatic rotary cylinder 61 is rotatably installed at the lower side of the spraying pipe 51 through a bearing, and the end of the spraying pipe 51 forms a spraying port 613.

[0044] Specifically, the annular air jet 62 extends towards the power fan 611, approaches the power fan 611, and then realizes efficient rotation of the power fan 611, as described above, the annular air jet 62 is communicated with the air pump through the air valve, the air pump realizes air supply at the position of the annular air jet 62, and the air valve realizes stepless speed regulation of air outlet of the annular air jet 62.

[0045] Specifically, the drying system 7 comprises a drying cover and a plurality of drying fans, the drying cover is installed on the rack 1, the drying cover is paved with an electric heating wire regularly arranged in prior art, the drying fan is communicated with the drying cover, the drying cover is located at the upper side of the feeding system 2, and the drying fan blows hot air in the drying cover to the surface of the corrugated board, thereby realizing drying.

[0046] A corrugated board coating spraying method comprises the following steps:

[0047] S1: The feeding system 2 transports the corrugated board;

[0048] S2: The spraying translation system 3 drives the spraying system 5 to translate, thereby driving the spraying system 5 to change the spraying position;

[0049] S3: The spraying lifting system 4 drives the spraying system 5 to lift, thereby adjusting the spraying height;

[0050] S4: The annular air jet 62 blows the power fan 611, so that the actuating plate 612 rotates along, thereby changing the spraying range of the spraying port 613.

[0051] The above shows and describes the basic principles and main features of the present application and the advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A corrugated paperboard coating spray device characterized by, The coating machine comprises a rack, a feeding system, a spraying translation system, a spraying lifting system, a spraying system, a pneumatic material collecting device and a drying system, the feeding system is installed on the rack, the drying system is installed on the rack, the spraying translation system is installed on the rack, the drying system and the spraying translation system are located on the upper side of the feeding system, the spraying lifting system is installed on the spraying translation system, the spraying system is installed on the spraying lifting system, the spraying system is provided with a spraying opening, the pneumatic material collecting device comprises a pneumatic rotating cylinder and a ring-shaped air jet, the pneumatic rotating cylinder is rotatably installed outside the spraying opening through a bearing, the ring-shaped air jet is annularly installed outside the spraying opening, a power fan which is matched with the ring-shaped air jet is arranged outside the pneumatic rotating cylinder, and a plurality of toggle plates which are directed to the spraying opening are arranged at the position of the pneumatic rotating cylinder which is close to the spraying opening.

2. A corrugated paperboard coating spray device according to claim 1, wherein, The feeding system comprises a feeding conveyor belt, a plurality of conveying rollers and a conveying motor, the conveying belt is arranged around the conveying rollers, the conveying motor is installed on the rack, and each conveying roller is rotatably installed on the rack and in transmission connection with the conveying motor.

3. A corrugated paperboard coating spray device according to claim 1, wherein, The spraying translation system comprises a spraying horizontal translation device and a spraying vertical translation device, the spraying horizontal translation device is slidably installed on the rack, the spraying vertical translation device is slidably installed on the spraying horizontal translation device, and the sliding directions of the spraying horizontal translation device and the spraying vertical translation device are perpendicular to each other.

4. A corrugated paperboard coating spray device according to claim 1, wherein, The spraying lifting system comprises a spraying lifting frame and a spraying lifting cylinder, the spraying system is installed on the spraying lifting frame, the spraying lifting frame is slidably installed on the spraying translation system, the spraying lifting cylinder is installed on the spraying translation system, and the spraying lifting frame is installed on the output end of the spraying lifting cylinder.

5. A corrugated paperboard coating spray device according to claim 1, wherein, The spraying system comprises a spraying pipe and a plurality of material barrels, each material barrel is in communication with the spraying pipe, the pneumatic rotating cylinder is rotatably installed on the lower side of the spraying pipe through a bearing, and the end of the spraying pipe forms the spraying opening.

6. A corrugated paperboard coating spray device according to claim 1, wherein, The ring-shaped air jet extends towards the power fan.

7. A corrugated paperboard coating spray device according to claim 1, wherein, The drying system comprises a drying cover and a plurality of drying fans, the drying cover is installed on the rack, the drying fans are in communication with the drying cover, and the drying cover is located on the upper side of the feeding system.

8. A corrugated paperboard coating spraying method using the corrugated paperboard coating spraying apparatus according to claim 1, characterized by, The method comprises the following steps: S1: the feeding system conveys the corrugated paperboard; S2: the spraying translation system drives the spraying system to translate, so that the spraying system changes the spraying position; S3: the spraying lifting system drives the spraying system to lift, so that the spraying height is adjusted; S4: the ring-shaped air jet blows the power fan, so that the toggle plates follow the rotation and the spraying range of the spraying opening is changed.

Citation Information

Patent Citations

  • Steel structure paint spraying device

    CN219898771U

  • Pneumatic spraying device

    CN220890246U