Paperboard preheating device

By adjusting the inclination of the rotating rod and the number of nozzles, the problem of steam waste when the cardboard width changes is solved, and efficient use of steam is achieved.

CN223058506UActive Publication Date: 2025-07-04YICHANG HONGZHI PAPER CO LTD
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Patent Information

Application Number
CN202422017236.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-20
Publication Date
2025-07-04
Estimated Expiration
2034-08-20

AI Technical Summary

Technical Problem

During the processing of cardboard, when the width of the cardboard becomes smaller, the steam ejection area remains unchanged, resulting in steam waste.

Method used

A cardboard preheating device is designed to adjust the inclination of the rotating rod through the rotating mechanism, thereby changing the number of connecting hoses and the number of opening nozzles, and achieving effective utilization of steam.

Benefits of technology

It prevents the waste of steam when the cardboard width changes and improves the utilization efficiency of steam.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of paperboards, in particular to a paperboard preheating device which comprises a working table, a conveying mechanism is arranged on the working table, a fixing frame is fixedly connected to the working table, a plurality of spray heads are installed on the fixing frame, the spray heads are all communicated with connecting hoses, and the connecting hoses are communicated with the conveying mechanism. A plurality of connecting hoses are arranged on the workbench, a connecting shell is arranged on the connecting hoses in a communicating mode, an air inlet pipe is arranged on the connecting shell in a communicating mode, a supporting edge is fixedly connected to the workbench, the supporting edge is located under the connecting hoses, a rotating rod is connected to the supporting edge through a rotating mechanism, and the connecting hoses are connected with an air supply mechanism. According to the utility model, the situation that steam is wasted when paper is changed is prevented.
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Description

Technical Field

[0001] The utility model relates to the technical field of cardboard, in particular to a cardboard preheating device. Background Art

[0002] When bonding cardboard during processing, it is necessary to preheat the cardboard in advance to accelerate the gelatinization of the paste and improve the bonding speed of the corrugated paper. When preheating, steam is generally ejected from the nozzles, and the steam contacts the cardboard to play a preheating role. However, since the widths of the cardboard are different, when the width of the cardboard becomes smaller, the ejection area of the steam remains unchanged, which easily leads to waste of steam. Content of the Utility Model

[0003] The purpose of the utility model is to solve the defect that when the width of the cardboard becomes smaller, the ejection area of the steam remains unchanged, which easily leads to waste of steam in the prior art, and to propose a cardboard preheating device.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] Design a cardboard preheating device, including a workbench, a conveying mechanism is arranged on the workbench, a fixing frame is fixedly connected to the workbench, a plurality of nozzles are installed on the fixing frame, a connecting hose is connected to each of the plurality of nozzles, a connecting shell is connected to the plurality of connecting hoses in a communicating manner, an air inlet pipe is connected to the connecting shell in a communicating manner, a supporting rib is fixedly connected to the workbench, the supporting rib is located directly below the plurality of connecting hoses, a rotating rod is connected to the supporting rib through a rotating mechanism, and a plurality of connecting hoses are connected to a gas supply mechanism.

[0006] Preferably, the rotating mechanism includes a rotating shaft, the rotating shaft is fixedly connected to the rotating rod, the rotating shaft is rotatably connected to the supporting rib through a bearing, and the rotating shaft is driven by a rotating mechanism.

[0007] Preferably, the mechanism drive includes a gear, the gear is fixedly connected to the rotating shaft, a rack is engaged with the gear, a bidirectional telescopic rod is fixedly connected to the rack, and the bidirectional telescopic rod is fixedly connected to the fixing frame.

[0008] Preferably, the conveying mechanism includes a rotating roller, and the rotating roller is driven by a motor.

[0009] Preferably, a connecting frame is fixedly connected to the motor, the connecting frame is rotatably connected to the rotating roller through a bearing, and a telescopic rod is fixedly connected between the connecting frame and the fixing frame.

[0010] Preferably, the air supply mechanism includes a connection shell, the connection shell is connected to a plurality of the connection hoses, an air inlet pipe is communicated with the connection shell, and the air inlet pipe is connected to a steam generator.

[0011] Preferably, the motor is a low-speed motor.

[0012] The beneficial effect of a cardboard preheating device proposed by the present utility model is that: through the rotation of the rotation mechanism, the rotating rod presses against the connection hose, changes the inclination of the rotating rod, and thus changes the number of connection hoses pressed against, adjusts the number of nozzles opened, and prevents steam waste when the paper changes. Description of the Drawings

[0013] Figure 1 is a schematic structural diagram of a cardboard preheating device proposed by the present utility model;

[0014] Figure 2 is a side view of a cardboard preheating device proposed by the present utility model;

[0015] Figure 3 is a schematic structural diagram of a part of the rotating rod of a cardboard preheating device proposed by the present utility model;

[0016] Figure 4 is a cardboard preheating device proposed by the present utility model Figure 1 an enlarged view of part A in.

[0017] In the figure: 1, workbench; 2, motor; 3, connecting frame; 4, rotating roller; 5, nozzle; 6, fixing frame; 7, supporting edge; 8, rotating rod; 9, air inlet pipe; 10, connecting hose; 11, bidirectional telescopic rod; 12, rack; 13, telescopic rod; 14, connection shell; 15, gear; 16, rotating shaft. Specific Embodiments

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0019] Embodiment 1: Refer to Figures 1-4, a cardboard preheating device, including a workbench 1, a conveying mechanism is arranged on the workbench 1, a fixing frame 6 is fixedly connected to the workbench 1, a plurality of nozzles 5 are installed on the fixing frame 6, a connecting hose 10 is connected to each of the plurality of nozzles 5 in a communicating manner, a connecting shell 14 is arranged on the plurality of connecting hoses 10 in a communicating manner, an air inlet pipe 9 is arranged on the connecting shell 14 in a communicating manner, a supporting edge 7 is fixedly connected to the workbench 1, the supporting edge 7 is located directly below the plurality of connecting hoses 10, a rotating rod 8 is connected to the supporting edge 7 through a rotating mechanism, by rotating through the rotating mechanism, the rotating rod 8 presses against the connecting hose 10, changes the inclination of the rotating rod 8, thereby changing the number of connecting hoses 10 in contact, and adjusts the number of nozzles 5 to be opened, preventing steam waste when the paper changes.

[0020] A plurality of connecting hoses 10 are connected to a gas supply mechanism. The gas supply mechanism includes a connecting shell 14. The connecting shell 14 is connected to the plurality of connecting hoses 10. An air inlet pipe 9 is arranged on the connecting shell 14 in a communicating manner. The air inlet pipe 9 is connected to a steam generator. Steam is generated by the steam generator, so that the steam enters the connecting shell 14 from the air inlet pipe 9 and then enters the plurality of connecting hoses 10.

[0021] The rotating mechanism includes a rotating shaft 16. The rotating shaft 16 is fixedly connected to the rotating rod 8. The rotating shaft 16 is rotatably connected to the supporting edge 7 through a bearing. The rotating shaft 16 is driven by a driving mechanism. The driving mechanism includes a gear 15. The gear 15 is fixedly connected to the rotating shaft 16. A rack 12 is engaged with the gear 15. A bidirectional telescopic rod 11 is fixedly connected to the rack 12. The bidirectional telescopic rod 11 is fixedly connected to the fixing frame 6. By telescoping the bidirectional telescopic rod 11, the rack 12 is driven to move, thereby driving the gear 15 to rotate and changing the inclination of the rotating rod 8.

[0022] The conveying mechanism includes a rotating roller 4. The rotating roller 4 is driven by a motor 2. By rotating the motor 2, the rotating roller 4 can be driven to rotate. The rotating roller 4 abuts against the paper, so that the rotating roller 4 drives the cardboard to move.

[0023] When in use, the motor 2 rotates to drive the rotating roller 4 to rotate, so that the rotating roller 4 drives the cardboard to move. Steam is ejected from the nozzle 5. When the preheated paper changes, the bidirectional telescopic rod 11 telescopes to drive the rack 12 to move, thereby driving the gear 15 to rotate and changing the inclination of the rotating rod 8, so that the rotating rod 8 presses against the connecting hose 10, thereby changing the number of connecting hoses 10 in contact and adjusting the number of nozzles 5 to be opened.

[0024] Example 2: Refer to Figures 1-3, as another preferred embodiment of the present utility model, on the basis of Embodiment 1, a connecting frame 3 is fixedly connected to the motor 2. The motor 2 is a low-speed motor. The connecting frame 3 is rotatably connected to the rotating roller 4 through a bearing. A telescopic rod 13 is fixedly connected between the connecting frame 3 and the fixed frame 6. By telescoping the telescopic rod 13, the rotating roller 4 will be driven to adjust, so as to adjust the gap between the rotating roller 4 and the workbench 1, and convey cardboard of different thicknesses.

[0025] The above is only a preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, making equivalent substitutions or changes should be covered within the protection scope of the present utility model.

Claims

1. A cardboard preheating device, comprising a workbench (1), characterized in that, A conveying mechanism is arranged on the workbench (1). A fixing frame (6) is fixedly connected to the workbench (1). A plurality of nozzles (5) are installed on the fixing frame (6). Connecting hoses (10) are connected in communication to each of the plurality of nozzles (5). A connecting shell (14) is arranged in communication on the plurality of connecting hoses (10). An air inlet pipe (9) is arranged in communication on the connecting shell (14). A supporting rib (7) is fixedly connected to the workbench (1). The supporting rib (7) is located directly below the plurality of connecting hoses (10). A rotating rod (8) is connected to the supporting rib (7) through a rotating mechanism. The plurality of connecting hoses (10) are connected to a gas supply mechanism.

2. The cardboard preheating device according to claim 1, characterized in that, The rotating mechanism includes a rotating shaft (16). The rotating shaft (16) is fixedly connected to the rotating rod (8). The rotating shaft (16) is rotatably connected to the supporting rib (7) through a bearing. The rotating shaft (16) is driven by a rotating mechanism.

3. The cardboard preheating device according to claim 2, characterized in that, The mechanism drive includes a gear (15). The gear (15) is fixedly connected to the rotating shaft (16). A rack (12) is engaged with the gear (15). A bidirectional telescopic rod (11) is fixedly connected to the rack (12). The bidirectional telescopic rod (11) is fixedly connected to the fixing frame (6).

4. A cardboard preheating device according to any one of claims 1-3, characterized in that, The conveying mechanism includes a rotating roller (4). The rotating roller (4) is driven by a motor (2).

5. A cardboard preheating device according to claim 4, wherein, A connecting frame (3) is fixedly connected to the motor (2). The connecting frame (3) is rotatably connected to the rotating roller (4) through a bearing. A telescopic rod (13) is fixedly connected between the connecting frame (3) and the fixing frame (6).

6. A cardboard preheating device according to claim 1, characterized in that, The gas supply mechanism includes a connecting shell (14). The connecting shell (14) is connected to the plurality of connecting hoses (10). An air inlet pipe (9) is arranged in communication on the connecting shell (14). The air inlet pipe (9) is connected to a steam generator.

7. A cardboard preheating device according to claim 4, characterized in that, The motor (2) is a low-speed motor.