Paperboard printing device

By introducing a drying chamber and a negative pressure motor system into the cardboard printing device, combined with pressure sensors and limiting devices, the problem of ink smudging caused by undried ink was solved, enabling rapid drying and accurate printing of cardboard, thus improving printing quality and efficiency.

CN223720426UActive Publication Date: 2025-12-26CHENGDU BEISHU PACKAGING TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520472185.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2025-12-26
Estimated Expiration
2035-03-18

AI Technical Summary

Technical Problem

Existing paperboard printing equipment causes ink smudging during subsequent packaging or handling when the ink is not dried in time, resulting in reduced printing quality.

Method used

The drying chamber uses electric heating wires and a negative pressure motor to quickly dry the cardboard through hot air circulation. Combined with pressure sensors to control the cardboard conveying and limiting devices, it ensures that the cardboard accurately enters under the printing roller. Ink supply rollers and ink transfer rollers ensure uniform ink transfer.

Benefits of technology

It enables rapid drying of cardboard, improves printing quality and drying speed, avoids printing misalignment, and enhances printing efficiency and quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of paperboard printing, and particularly relates to a paperboard printing device which comprises a drying cavity, three electric heating wires are assembled between the two sides of the drying cavity at equal intervals, the top side of the drying cavity is connected with an installation cavity in a penetrating mode, an air inlet hole is formed in the top side of the installation cavity, and a negative pressure motor is assembled in the drying cavity in a matched mode through a supporting rod. Three fan blades are installed at the output end of the negative pressure motor, a connecting plate is installed at the output end of the driving motor, and a pressure sensor is installed at one end of the connecting plate; when the paperboard gradually gets close to and makes contact with a pressure sensor, a control panel starts an electric heating wire, a driving motor and a negative pressure motor, the electric heating wire heats air, the driving motor drives a connecting plate to rotate by 90 degrees, so that the paperboard can continue to move on the conveying belt, meanwhile, the negative pressure motor enables external air to be mixed with hot air heated by the electric heating wire, and then the paperboard is conveyed to the conveying belt. And water in the printing ink on the paperboard is taken away, so that the printed paperboard is quickly dried, and the printing effect of the paperboard is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to paperboard printing technical field, and specifically is a paperboard printing device. BACKGROUND

[0002] In the medicine packaging process, the paperboard packaging after printing can clearly show the name, brand, specification and other basic information of the medicine, so that consumers and medical staff can quickly and accurately identify the medicine, and therefore a printing device needs to be used.

[0003] A paperboard printing device is disclosed in a Chinese patent with the authorization announcement number CN221584819U, which comprises a printing roller, a bracket, a machine base, a driving motor, a first screw rod, a guide wheel and the like. The actual size of the paperboard can be adjusted to a suitable distance between the two mounting plates through the cooperation of the driving motor, the first screw rod and the guide wheel, and the position deviation of the paperboard can be corrected through the guide wheels, thereby avoiding the position deviation of the paperboard, enabling the paperboard to enter the inside of the printing machine body accurately and allowing the printing roller to accurately perform the printing operation on the paperboard, and making the printing effect on the paperboard good.

[0004] However, the above-mentioned printing device still has some problems. In actual application, if the ink cannot be dried in time after the paperboard is printed, the ink may be blurred during the subsequent packaging operation or handling process of the paperboard, thereby reducing the printing quality of the paperboard. Therefore, a paperboard printing device is proposed to solve the above-mentioned problems. UTILITY MODEL CONTENT

[0005] In order to make up for the deficiencies of the prior art and solve the problems raised in the background art, the utility model provides a paperboard printing device.

[0006] The technical scheme adopted by the utility model to solve its technical problems is that the utility model provides a paperboard printing device, which comprises a supporting frame, an oven cavity is installed at one end of the top side of the supporting frame, three electric heating wires are equidistantly assembled between the two sides of the oven cavity, an installation cavity is connected through the top side of the oven cavity, an air inlet hole is formed in the top side of the installation cavity, a negative pressure motor is assembled in the oven cavity through a supporting rod, three fan blades are installed at the output end of the negative pressure motor, a supporting plate is installed at one side of the top side of the oven cavity of the supporting frame, a driving motor is installed at one side of the supporting plate, a connecting plate is installed at the output end of the driving motor, a pressure sensor is installed at one end of the connecting plate, and the pressure sensor is used to monitor whether the paperboard generates pressure on the connecting plate. The utility model realizes the rapid drying of the printed paperboard, improves the printing effect and drying speed of the paperboard.

[0007] Preferably, rotating shafts are rotatably installed between the two ends and the two sides of the support frame, rotating rollers are installed on the outer sides of the rotating shafts, conveying belts are jointly and cooperatively installed on the outer sides of the rotating rollers, a conveying motor is installed on one side of the support frame, and the output end of the conveying motor is connected with one end of the rotating shafts, thereby realizing continuous conveying of the paperboard and improving the efficiency of the printing operation.

[0008] Preferably, a fixing frame is installed at the other end of the top side of the support frame, a servo motor is installed on one side of the fixing frame, a bidirectional screw rod is installed on the output end of the servo motor, two sliding grooves are symmetrically formed in the top side of the fixing frame, sliding blocks are slidably installed in the sliding grooves, screw holes are formed in the sliding blocks, one end of the bidirectional screw rod penetrates through the screw holes and is rotatably installed on the inner wall of the sliding groove, and limiting plates are installed on the bottom sides of the sliding blocks, five recesses are equidistantly formed in the limiting plates, and limiting rollers are rotatably installed in the recesses, thereby ensuring that the paperboard can accurately enter below the printing roller and avoiding the problem of printing misplacement.

[0009] Preferably, a mounting frame is installed on the top side of the support frame, a gas cylinder is installed on the top side of the mounting frame, a mounting frame is installed on the acting end of the gas cylinder, a printing roller is rotatably installed between the two sides of the middle end of the mounting frame, an ink supply roller and an ink transmission roller are rotatably installed on the two sides of one end of the mounting frame, respectively, an ink box is installed in the mounting frame, a driving gear is installed on one end of the ink supply roller, a driven gear is installed on one side of the printing roller and the ink transmission roller, the driving gear is meshed with one of the driven gears, and the driving gear is meshed with one of the driven gears, a stepping motor is installed on one side of the mounting frame, and one end of the ink supply roller is connected with the output end of the stepping motor, thereby realizing the printing operation.

[0010] Preferably, the outer arc surfaces of the ink supply roller and the ink transmission roller are tangent, the ink supply roller is installed in the ink box, and the ink transmission roller is in contact with the printing roller, thereby ensuring that the ink can be smoothly transmitted to the printing roller.

[0011] Preferably, a control panel is installed on one side of the support frame, and the control panel is electrically connected with the pressure sensor, the electric heating wire, the negative pressure motor and the driving motor, wherein the control panel is used for signal transmission of the pressure sensor and opening operation of the electric heating wire, the negative pressure motor and the driving motor, thereby improving the automation degree of the device.

[0012] The utility model discloses the beneficial effect lies in:

[0013] 1. The utility model discloses a paperboard gradually approaches and contacts pressure sensor, and detects the pressure of paperboard, and pressure sensor transmits signal to control panel, and control panel starts electric heating wire, drive motor and negative pressure motor simultaneously, and electric heating wire energization heats the air in drying cavity, and drive motor drives the rotation of connecting plate 90 degrees, makes paperboard can continue to move on the conveyer belt, simultaneously, negative pressure motor makes the outside air mix with the hot air after electric heating wire heating, takes away the moisture in the ink on paperboard, thereby realizes the quick drying of the paperboard after printing, improved the printing effect and drying speed of paperboard.

[0014] 2. The utility model discloses starting stepper motor, drives the rotation of ink supply roller, and the ink supply roller will take out the ink in ink box, because the outer arc surface of ink supply roller and ink transmission roller is tangent, when the rotation of ink supply roller, because driving gear and driven gear on ink transmission roller are mutually engaged, further drive the rotation of ink transmission roller, and ink is transferred to ink transmission roller from ink supply roller, and the driven gear of printing roller and ink transmission roller is mutually engaged, makes ink transmission roller can evenly transfer ink to printing roller. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0016] Figure 1 It is medium axle side view structural schematic diagram for the utility model,

[0017] Figure 2 It is paperboard printing device main body structure schematic diagram,

[0018] Figure 3 It is trigger drying assembly structure schematic diagram,

[0019] Figure 4 It is the first structure schematic diagram of limiting conveying and printing assembly,

[0020] Figure 5 It is the second structure schematic diagram of limiting conveying and printing assembly.

[0021] In the figure: 1, support frame; 2, drying cavity; 3, heating wire; 4, mounting cavity; 5, air inlet hole; 6, negative pressure motor; 7, fan blade; 8, support plate; 9, drive motor; 10, connecting plate; 11, pressure sensor; 12, rotating shaft; 13, rotating roller; 14, conveying belt; 15, conveying motor; 16, fixing frame; 17, servo motor; 18, bidirectional screw; 19, sliding chute; 20, sliding block; 21, limiting plate; 22, groove; 23, limiting roller; 24, mounting frame; 25, air cylinder; 26, mounting frame; 27, printing roller; 28, ink supply roller; 29, ink transmission roller; 30, ink cartridge; 31, driving gear; 32, driven gear; 33, stepping motor; 34, control panel. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figures 1-3As shown, a paperboard printing device, including support frame 1, the top side of the support frame 1 is installed with drying cavity 2, drying cavity 2 between the two sides of the equidistant assembly is three heating wire 3, the top side of the drying cavity 2 is connected with installation cavity 4, the top side of the installation cavity 4 is provided with air inlet hole 5, the inside of the drying cavity 2 is matched with negative pressure motor 6 through support rod, the output end of the negative pressure motor 6 is installed with three fan blades 7, the top side of the support frame 1 is installed with support plate 8 on one side of the drying cavity 2, one side of the support plate 8 is installed with drive motor 9, the output end of the drive motor 9 is installed with connecting plate 10, one end of the connecting plate 10 is installed with pressure sensor 11, the pressure sensor 11 is used for monitoring whether the paperboard produces pressure on the connecting plate 10, one side of the support frame 1 is installed with control panel 34; When working, in practical application, after the paperboard is printed, if the ink cannot be dried in time, the paperboard will appear ink bleeding in the subsequent packaging operation or handling process, thereby the printing quality of the paperboard will be reduced, when the paperboard is gradually close to the drying cavity 2 under the driving of the conveying belt 14, it will gradually close to and contact the pressure sensor 11 and detect the pressure of the paperboard, the pressure sensor 11 transmits the signal to the control panel 34, the control panel 34 starts the heating wire 3, the drive motor 9 and the negative pressure motor 6 at the same time, the heating wire 3 generates heat after being electrified, the air in the drying cavity 2 is heated, the drive motor 9 drives the connecting plate 10 to rotate 90 degrees, so that the paperboard can continue to move on the conveying belt 14, at the same time, the negative pressure motor 6 starts, the three fan blades 7 at the output end of the negative pressure motor 6 start to rotate, forming a negative pressure environment in the drying cavity 2, the outside air is sucked into the drying cavity 2 through the air inlet hole 5 and mixed with the hot air heated by the heating wire 3, forming a circulating hot air flow, the hot air flow quickly passes through the surface of the paperboard under the action of negative pressure, taking away the water in the ink on the paperboard, thereby realizing the rapid drying of the printed paperboard, improving the printing effect of the paperboard, the pressure sensor 11 model ifm-PG24xx.

[0024] Please refer to Figures 1-5 As shown, the two sides between the two ends of the support frame 1 are rotatably installed with rotating shaft 12, the outer side of the rotating shaft 12 is installed with rotating roller 13, the outer side of the rotating roller 13 is jointly installed with conveying belt 14, one side of the support frame 1 is installed with conveying motor 15, one end of the rotating shaft 12 is connected with the output end of the conveying motor 15 in cooperation;

[0025] The top side of the support frame 1 is provided with a fixed frame 16, one side of the fixed frame 16 is provided with a servo motor 17, the output end of the servo motor 17 is provided with a bidirectional screw rod 18, the inside of the top side of the fixed frame 16 is symmetrically provided with two sliding grooves 19, the inside of the sliding groove 19 is slidably provided with a sliding block 20, the inside of the sliding block 20 is provided with a threaded hole, one end of the bidirectional screw rod 18 penetrates through the threaded hole and is rotatably installed on the inner wall of the sliding groove 19, the bottom side of the sliding block 20 is provided with a limiting plate 21, the inside of the limiting plate 21 is equidistantly provided with five recesses 22, and the inside of the recess 22 is rotatably provided with a limiting roller 23; in work, during the printing of the paperboard, the accurate conveying of the paperboard is one of the key factors to ensure the printing quality, therefore, during the printing of the paperboard, it is necessary to ensure that the paperboard will not be deviated, first, the paperboard to be printed is placed on the conveying belt 14 at one end of the limiting roller 23, the servo motor 17 is started, the servo motor 17 drives the bidirectional screw rod 18 to start rotating, so that the two sliding blocks 20 relatively or oppositely move in the sliding groove 19, the limiting plate 21 also moves with the sliding block 20, the distance between the limiting plates 21 is adjusted according to the width of the paperboard, so that the paperboard can accurately enter below the printing roller 27, at the same time, the limiting roller 23 rotates in the recess 22, further assisting the stable conveying of the paperboard, reducing the deviation of the paperboard in the conveying process, and avoiding the problem of printing misplacement;

[0026] The conveying motor 15 is started, the rotating shaft 12 drives the rotating roller 13 to rotate, and then the conveying belt 14 moves, and the paperboard on the conveying belt 14 will be continuously conveyed along with the conveying belt 14 to the printing area and the drying cavity 2, so as to realize the continuous conveying function of the paperboard and improve the efficiency of the printing operation.

[0027] Please refer to Figure 1 , 2The top side of the support frame 1 is provided with a mounting frame 24, the top side of the mounting frame 24 is provided with a pneumatic cylinder 25, the acting end of the pneumatic cylinder 25 is provided with a mounting frame 26, the mounting frame 26 is rotatably arranged between the middle ends of the two sides of the mounting frame 26, the printing roller 27 is rotatably arranged between the two ends of the mounting frame 26, the ink supply roller 28 and the ink transfer roller 29 are rotatably arranged between the two ends of the mounting frame 26 respectively, the mounting frame 26 is internally provided with an ink box 30, one end of the ink supply roller 28 is provided with a driving gear 31, one side of the printing roller 27 and the ink transfer roller 29 is provided with a driven gear 32, the driven gears 32 are meshed with each other, and the driving gear 31 is meshed with one of the driven gears 32, one side of the mounting frame 26 is provided with a stepping motor 33, one end of the ink supply roller 28 is connected with the output end of the stepping motor 33, the outer arc surfaces of the ink supply roller 28 and the ink transfer roller 29 are tangent, the ink supply roller 28 is arranged in the ink box 30, and the ink transfer roller 29 is in contact with the printing roller 27; in the working process of the medicine packaging, the printed paperboard packaging can clearly display the basic information such as the name, brand and specification of the medicine, so that consumers and medical staff can quickly and accurately identify the medicine, and therefore a printing device is required to be used, the stepping motor 33 is started, the ink supply roller 28 is driven to rotate, the ink supply roller 28 can take out the ink in the ink box 30, because the outer arc surfaces of the ink supply roller 28 and the ink transfer roller 29 are tangent, when the ink supply roller 28 rotates, because the driving gear 31 is meshed with the driven gear 32 on the ink transfer roller 29, the ink transfer roller 29 can be driven to rotate, the ink is transferred from the ink supply roller 28 to the ink transfer roller 29, the driven gears 32 of the printing roller 27 and the ink transfer roller 29 are meshed with each other, so that the ink transfer roller 29 can uniformly transfer the ink to the printing roller 27;

[0028] Then, the pneumatic cylinder 25 works, the mounting frame 26 is pushed to move downward, the printing roller 27 is in contact with the paperboard on the conveying belt 14, at this time, with the paperboard moving forward under the action of the conveying belt 14, the printing roller 27 rolls on the surface of the paperboard, the ink is printed on the paperboard, so as to realize the printing work.

[0029] Working principle: first, the paperboard to be printed is placed on the conveying belt 14 at one end of the limiting roller 23, the servo motor 17 is started, the servo motor 17 drives the bidirectional screw rod 18 to start rotating, so that the two sliding blocks 20 move in the opposite directions in the sliding groove 19, the limiting plate 21 also moves with the sliding blocks 20, so that the distance between the limiting plates 21 is adjusted according to the width of the paperboard, so that the paperboard can accurately enter below the printing roller 27, at the same time, the limiting roller 23 rotates in the groove 22, further assisting the stable conveying of the paperboard, reducing the deviation of the paperboard in the conveying process, and avoiding the problem of printing misplacement;

[0030] Start the conveying motor 15, the rotating shaft 12 drives the rotating roller 13 to rotate, and then the conveying belt 14 moves, the paperboard on the conveying belt 14 is continuously conveyed to the printing area and the drying cavity 2 direction along with the conveying belt 14, so as to realize the continuous conveying function of the paperboard, and improve the printing efficiency;

[0031] Start the stepping motor 33, drive the ink supply roller 28 to rotate, the ink supply roller 28 can take out the ink in the ink cartridge 30, because the outer arc surface of the ink supply roller 28 and the ink transmission roller 29 is tangent, when the ink supply roller 28 rotates, because the driving gear 31 and the driven gear 32 on the ink transmission roller 29 are engaged with each other, so the ink transmission roller 29 can be driven to rotate, the ink is transmitted from the ink supply roller 28 to the ink transmission roller 29, the driven gear 32 of the printing roller 27 and the ink transmission roller 29 is engaged with each other, so that the ink transmission roller 29 can uniformly transmit the ink to the printing roller 27;

[0032] Then, the cylinder 25 works, the installation frame 26 is pushed to move downward, so that the printing roller 27 contacts the paperboard on the conveying belt 14, at this time, as the conveying belt 14 drives the paperboard to move forward, the printing roller 27 rolls on the surface of the paperboard, and the ink is printed on the paperboard, so as to realize the printing operation;

[0033] When the paperboard gradually approaches the drying cavity 2 under the driving of the conveying belt 14, it gradually approaches and contacts the pressure sensor 11 and detects the pressure of the paperboard, the pressure sensor 11 transmits the signal to the control panel 34, the control panel 34 simultaneously starts the electric heating wire 3, the driving motor 9 and the negative pressure motor 6, the electric heating wire 3 generates heat after being electrified, heats the air in the drying cavity 2, the driving motor 9 drives the connecting plate 10 to rotate 90 degrees, so that the paperboard can continue to move on the conveying belt 14, at the same time, the negative pressure motor 6 starts, the three fan blades 7 at the output end of the negative pressure motor 6 start to rotate, a negative pressure environment is formed in the drying cavity 2, the outside air is sucked into the drying cavity 2 through the air inlet hole 5 and mixed with the hot air heated by the electric heating wire 3, forming a circulating hot air flow, the hot air flow quickly passes through the surface of the paperboard under the action of negative pressure, and carries away the water in the ink on the paperboard, so as to realize the rapid drying of the printed paperboard, and improve the printing effect of the paperboard.

[0034] In the description of the present application, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the description of the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0035] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples 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.

Claims

1. A paperboard printing apparatus characterized by: Including support frame (1), one end of the top side of support frame (1) is equipped with drying cavity (2), drying cavity (2) is equipped with three electric heating wires (3) between both sides equidistantly, the top side of drying cavity (2) is connected with mounting cavity (4) through, the top side of mounting cavity (4) is equipped with air inlet hole (5), the inside of drying cavity (2) is equipped with negative pressure motor (6) through support rod cooperation, the output end of negative pressure motor (6) is equipped with three fan blades (7), the top side of support frame (1) is equipped with support plate (8) on one side of drying cavity (2), the side of support plate (8) is equipped with drive motor (9), the output end of drive motor (9) is equipped with connecting plate (10), one end of connecting plate (10) is equipped with pressure sensor (11), pressure sensor (11) is used to monitor whether paperboard produces pressure on connecting plate (10).

2. A paperboard printing apparatus as in claim 1, wherein: Both sides between both ends of support frame (1) are rotatably installed with rotating shafts (12), the outer sides of rotating shafts (12) are all installed with rotating rollers (13), the outer sides of rotating rollers (13) are all installed with conveying belts (14) in common cooperation, one side of support frame (1) is installed with conveying motor (15), one end of rotating shaft (12) is connected with the output end of conveying motor (15) in cooperation.

3. A paperboard printing apparatus as in claim 2, wherein: The other end of the top side of support frame (1) is equipped with fixed frame (16), one side of fixed frame (16) is equipped with servo motor (17), the output end of servo motor (17) is equipped with bidirectional screw rod (18), the inside of the top side of fixed frame (16) is symmetrically equipped with two sliding grooves (19), the inside of sliding block (20) is slidably installed in sliding groove (19), the inside of sliding block (20) is equipped with screw hole, one end of bidirectional screw rod (18) penetrates screw hole and is rotatably installed in the inner wall of one side of sliding groove (19), the bottom side of sliding block (20) is all equipped with limit plate (21), the inside of limit plate (21) is equidistantly equipped with five recesses (22), the inside of recess (22) is all rotatably installed with limit roller (23).

4. A paperboard printing apparatus as in claim 3, wherein: The top side of support frame (1) is equipped with mounting frame (24), the top side of mounting frame (24) is equipped with air cylinder (25), the acting end of air cylinder (25) is equipped with mounting frame (26), the middle end of mounting frame (26) is rotatably installed with printing roller (27) between both sides, the one end of mounting frame (26) is rotatably installed with ink supply roller (28) and ink transmission roller (29) between both sides respectively, the inside of mounting frame (26) is equipped with ink cartridge (30), one end of ink supply roller (28) is equipped with driving gear (31), one side of printing roller (27) and ink transmission roller (29) is all equipped with driven gear (32), and driven gear (32) is meshed with each other, and driving gear (31) is meshed with one of driven gear (32), one side of mounting frame (26) is equipped with stepping motor (33), one end of ink supply roller (28) is connected with the output end of stepping motor (33) in cooperation.

5. A paperboard printing apparatus as in claim 4, wherein: The outer arc surface of the ink supply roller (28) and the ink transfer roller (29) is tangent, the ink supply roller (28) is installed inside the ink cartridge (30), and the ink transfer roller (29) is in contact with the printing roller (27).

6. A paperboard printing apparatus as in claim 1, wherein: One side of the support frame (1) is provided with a control panel (34), and the control panel (34) is electrically connected with the pressure sensor (11), the electric heating wire (3), the negative pressure motor (6) and the driving motor (9), and is used for signal transmission of the pressure sensor (11) and opening operation of the electric heating wire (3), the negative pressure motor (6) and the driving motor (9).

Citation Information

Patent Citations

  • Paperboard printing device

    CN221584819U