Preheating cylinder for corrugated board production line
By designing humidification and preheating cylinders on the corrugated cardboard production line, the problem of uneven preheating of corrugated paper was solved, achieving uniform heating and preheating effect that adapts to different paper thicknesses, thus improving production quality.
Patent Information
- Application Number
- CN202520274082.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-20
AI Technical Summary
The existing preheating process for corrugated paper suffers from uneven heating, leading to warping and unevenness of the face paper, which affects its application in subsequent processes.
A preheating cylinder was designed, comprising a humidification mechanism, an unwinding assembly, a winding assembly, and a preheating mechanism. The corrugated base paper is slightly moistened by spraying water and preheated using tension rollers that are set at equal intervals, ensuring uniform heating.
It achieves uniform preheating of corrugated base paper, avoids overheating, improves preheating effect, and is applicable to corrugated base paper of different thicknesses and widths.
Smart Images

Figure CN223750408U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to corrugated paper production technical field, concretely for a kind of preheating cylinder for corrugated paperboard production line. BACKGROUND
[0002] Corrugated paper is by face paper and the corrugated paper adhered to the wave formed by corrugated roller, generally divided into single corrugated paperboard and double corrugated paperboard two categories, in the process of corrugated paper processing, need to preheat raw paper, raw paper is preheated before gluing, bonding, longitudinal and transverse shearing process, preheating process is related to the quality of subsequent forming paperboard.
[0003] In the existing corrugated paper preheating process, steam generator is usually used to preheat corrugated paper, corrugated paper may be unevenly heated, face paper warping, uneven, and the shape of the produced corrugated paper is inconsistent, which may cause difficulty in the next process.
[0004] Therefore, it is necessary to provide a preheating cylinder for corrugated paperboard production line to solve the above technical problems. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a preheating cylinder for corrugated paperboard production line to solve the problems in the above background technology, and provides a solution significantly different from the prior art to solve the problem that the prior art solution is too single.
[0006] To achieve the above object, the utility model provides the following technical scheme: a preheating cylinder for corrugated paperboard production line, which comprises a cylinder body, a feeding shell is installed at the top center of the cylinder body, a humidifying mechanism is arranged on the inner side of the feeding shell, an unwinding assembly is installed at the top of one side of the cylinder body, a winding assembly is installed at the bottom of one side of the cylinder body, and a preheating mechanism is arranged in the cylinder body.
[0007] Preferably, the humidifying mechanism comprises a flow pipe with a matrix ring structure arranged on the inner side of the feeding shell, a plurality of injection ports are equidistantly arranged on the inner side of the flow pipe, one end of the outer side of the feeding shell is provided with a connecting pipe in communication with the flow pipe, and a pump body is arranged on the outer wall of the connecting pipe.
[0008] Preferably, the unwinding assembly comprises first mounting brackets installed at the front and rear ends of the top of one side of the cylinder body, and a unwinding roller is rotatably connected between the two first mounting brackets.
[0009] Preferably, the winding assembly comprises second mounting brackets installed at the front and rear ends of the top of one side of the cylinder body, a winding roller is rotatably connected between the two second mounting brackets, and a driving device for driving the winding roller to rotate is installed on one side of a group of second mounting brackets away from the winding roller.
[0010] Preferably, the preheating mechanism comprises a tension roller rotatably mounted on the inside of the cylinder body, a heating rod is arranged on the inside of the tension roller, and an opening is formed in the bottom of one end of the inside of the cylinder body.
[0011] Preferably, a circular ring groove is formed in the center of the axial end of the tension roller, a circular ring block is arranged in the circular ring groove, and a rotating rod rotatably connected with the cylinder body is connected to the circular ring block in a direction away from the tension roller.
[0012] The parts not described in the utility model are known to those skilled in the art.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] The connecting pipeline can be externally connected to an external water source, then the external water source is pumped into the connecting pipeline by the pump body and transported into the flow pipeline, then the spray opening arranged in the flow pipeline can spray the corrugated base paper surface entering the inside of the feeding shell with water source to slightly immerse the corrugated base paper, so that overheating of the corrugated base paper during subsequent preheating is avoided, and the humidity is increased, so that the preheating effect is improved.
[0015] During slow movement of the corrugated base paper, the corrugated base paper is wound on the outer wall of the tension roller in turn, so that both surfaces of the corrugated base paper can be attached to the outer wall of the tension roller for movement, at this time, the corrugated base paper in the transportation process can be preheated only by controlling the heating rod to heat the surface of the tension roller, and the equidistantly arranged tension rollers can be suitable for corrugated base papers of different thicknesses and widths, and are high in practicability. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 The utility model is a three-dimensional Figure 1 ;
[0017] Figure 2 The utility model is a three-dimensional Figure 2 ;
[0018] Figure 3 The utility model is a sectional three-dimensional structure diagram Figure 1 ;
[0019] Figure 4 The utility model is a sectional three-dimensional structure diagram Figure 2 ;
[0020] Figure 5 The utility model is a three-dimensional separation diagram of the tension roller.
[0021] In the figure: 1, cylinder body; 2, feed shell; 3, humidification mechanism; 301, flow pipeline; 302, injection port; 303, connecting pipeline; 304, pump body; 4, unwinding assembly; 401, first mounting bracket; 402, unwinding roller; 5, winding assembly; 501, second mounting bracket; 502, winding roller; 503, driving device; 6, preheating mechanism; 601, tension roller; 602, heating rod; 603, opening; 7, circular ring groove; 8, circular ring block; 9, rotating rod. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0023] In the description of the utility model, it should be explained that the directions or position relations indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are the directions or position relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. The embodiments of the utility model will be described below according to the overall structure of the utility model.
[0024] Please refer to Figures 1-5 A preheating cylinder for corrugated board production line, including cylinder body 1, the top center of cylinder body 1 is installed with feed shell 2, the inner side of feed shell 2 is provided with humidification mechanism 3, the top of one side of cylinder body 1 is installed with unwinding assembly 4, the bottom of one side of cylinder body 1 is installed with winding assembly 5, the inside of cylinder body 1 is provided with preheating mechanism 6.
[0025] As Figures 1-5As shown, the humidifying mechanism 3 includes a flow pipe 301 in the shape of a ring arranged inside the feeding shell 2, the inner side of the flow pipe 301 is provided with spray ports 302 at equal intervals, and one end of the outer side of the feeding shell 2 is provided with a connecting pipe 303 in communication with the flow pipe 301. The outer wall of the connecting pipe 303 is provided with a pump body 304. The connecting pipe 303 can be connected to an external water source, and then the external water source is pumped into the connecting pipe 303 by the pump body 304 and transported to the inside of the flow pipe 301. The spray ports 302 provided in the flow pipe 301 can spray water on the surface of the corrugated paper inside the feeding shell 2 to slightly wet it, so that overheating does not occur during subsequent preheating, and increasing the humidity can also improve the preheating effect.
[0026] As shown in Figures 1-5 The unwinding assembly 4 includes a first mounting bracket 401 mounted on the top of one side of the cylinder body 1, and two first mounting brackets 401 are rotatably connected to each other. The unwinding roller 402 is provided with a corrugated paper, and then the corrugated paper enters the inside of the cylinder body 1 from the inside of the feeding shell 2 for preheating.
[0027] As shown in Figures 1-5 The winding assembly 5 includes a second mounting bracket 501 mounted on the top of one side of the cylinder body 1, and two second mounting brackets 501 are rotatably connected to each other. A group of second mounting brackets 501 are installed on the side away from the winding roller 502, and are provided with a driving device 503 for driving the winding roller 502 to rotate. The corrugated paper after preheating is collected by the winding roller 502, and the driving device 503 controls the rotation of the winding roller 502 to realize the slow movement of the corrugated paper and achieve the preheating effect.
[0028] As shown in Figures 1-5 The preheating mechanism 6 includes a tension roller 601 rotatably installed inside the cylinder body 1, and the inner side of the tension roller 601 is provided with a heating rod 602. A hole 603 is formed in the bottom of one end of the inner side of the cylinder body 1. During the slow movement of the corrugated paper, the corrugated paper is wound on the outer wall of the tension roller 601 in turn, so that both sides of the corrugated paper can be attached to the outer wall of the tension roller 601 for movement. At this time, only the heating rod 602 needs to be controlled to heat the surface of the tension roller 601 to preheat the corrugated paper during transportation. The equally spaced tension rollers 601 can be used for corrugated paper of different thicknesses and widths, and have high practicality.
[0029] As shown in Figures 1-5As shown, the axial end center of the tension roller 601 is provided with a circular groove 7, the inside of the circular groove 7 is provided with a circular block 8, the circular block 8 is connected with a rotating rod 9 which is rotatably connected with the cylinder body 1 in the direction away from the tension roller 601, the circular block 8 and the rotating rod 9 are arranged to make the tension roller 601 rotatably connected with the cylinder body 1.
[0030] Working principle: in use, the connecting pipeline 303 can be externally connected with an external water source, then the external water source is pumped into the connecting pipeline 303 by the pump body 304 and transported into the flow pipeline 301, then the spray port 302 arranged in the flow pipeline 301 can spray the water source on the surface of the corrugated paper in the feeding shell 2 to slightly wet the surface, so that the over-heating phenomenon can be avoided in the subsequent preheating process, and the humidity can also improve the preheating effect, in the process of slowly moving the corrugated paper, the corrugated paper is wound on the outer wall of the tension roller 601 in turn, so that both sides of the corrugated paper can be attached to the outer wall of the tension roller 601 for movement, at this time, only the heating rod 602 needs to be controlled to heat the surface of the tension roller 601 to preheat the corrugated paper in the conveying process, and the equidistantly arranged tension rollers 601 can be suitable for corrugated papers with different thicknesses and widths, and the practicality is strong.
[0031] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments but can be implemented in other embodiments without departing from the spirit or essential characteristics of the application. Thus, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No reference signs in the claims should be considered as limiting the scope of the claims.
Claims
1. A preheating cylinder for a corrugated cardboard production line, comprising a cylinder body (1), characterized in that: The top center of the cylinder (1) is provided with a feeding shell (2), the inner side of the feeding shell (2) is provided with a humidification mechanism (3), one side of the top of the cylinder (1) is provided with a unwinding assembly (4), one side of the bottom of the cylinder (1) is provided with a winding assembly (5), the inside of the cylinder (1) is provided with a preheating mechanism (6).
2. A preheating cylinder for a corrugated board production line according to claim 1, characterized in that: The humidification mechanism (3) comprises a flow pipe (301) with a matrix ring structure arranged in the inner side of the feeding shell (2), a plurality of spray openings (302) are equidistantly arranged in the inner side of the flow pipe (301), one end of the outer side of the feeding shell (2) is provided with a connecting pipe (303) communicated with the flow pipe (301), and the outer wall of the connecting pipe (303) is provided with a pump body (304).
3. A preheating cylinder for a corrugated board production line according to claim 1, characterized in that: The unwinding assembly (4) comprises a first mounting bracket (401) mounted on the top of one side of the cylinder (1), and two first mounting brackets (401) are rotatably connected with an unwinding roller (402) between them.
4. A preheating cylinder for a corrugated board production line according to claim 1, characterized in that: The winding assembly (5) comprises a second mounting bracket (501) mounted on the top of one side of the cylinder (1), two second mounting brackets (501) are rotatably connected with a winding roller (502) between them, and a group of second mounting brackets (501) are provided with a driving device (503) driving the winding roller (502) to rotate on the side away from the winding roller (502).
5. A preheating cylinder for a corrugated board production line according to claim 1, characterized in that: The preheating mechanism (6) comprises a tension roller (601) rotatably mounted on the inner side of the cylinder (1), the inner side of the tension roller (601) is provided with a heating rod (602), and the inner side of one end of the cylinder (1) is provided with an opening (603).
6. A preheating cylinder for a corrugated board production line according to claim 5, characterized in that: The axial end center of the tension roller (601) is provided with a circular groove (7), the inside of the circular groove (7) is provided with a circular block (8), and the circular block (8) is connected with a rotating rod (9) rotatably connected with the cylinder (1) in the direction away from the tension roller (601).