A preheating device for corrugated board processing

CN224617144UActive Publication Date: 2026-08-11LUOHE SENFAN IND & TRADE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-18
Publication Date
2026-08-11

AI Technical Summary

Technical Problem

[0005]本实用新型的主要目的在于提供一种用于瓦楞纸板加工的预热装置,通过设置的固定单元与预热单元,来解决在对瓦楞纸板输送过程中,由于缺少对瓦楞纸板的束缚件,容易在输送过程中,造成瓦楞纸跑偏,导致对瓦楞纸板的预热效果下降的问题

Benefits of technology

本实用新型中,通过设置的固定单元与预热单元,当需要对瓦楞纸板进行预热前的固定时,电动伸缩杆伸缩端伸长,带动压伸座下移对Z型压限板的高端进行按压,并对连接弹簧进行压缩,从而使得Z型压限板的低端抬起,此时,可将瓦楞纸板放置到传送带上,并位于Z型压限板的下方,随后,电动伸缩杆伸缩端收缩,在连接弹簧的弹力作用下,Z型压限板回位复原,从而实现了对瓦楞纸板预热前的便捷固定;当完成对瓦楞纸的固定后,瓦楞纸板跟随传送带移动至加热板下方,随后,液压伸缩缸伸缩端伸长,由加热件带动加热板靠近瓦楞纸板,对瓦楞纸板进行持续加热,从而实现了对瓦楞纸板的加工预热。

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Abstract

This utility model discloses a preheating device for corrugated cardboard processing, relating to the field of corrugated cardboard processing technology. It includes a main unit, a fixing unit and a cleaning unit disposed inside the main unit, and a preheating unit disposed above the main unit, with the cleaning unit located above the fixing unit. The fixing unit includes a clamping member disposed inside the main unit and a pressing member installed on the inner side wall of the main unit and located above the clamping member. This utility model is a preheating device for corrugated cardboard processing. Through the fixed unit and preheating unit, it achieves convenient fixing of the corrugated cardboard before preheating, preventing the corrugated cardboard from deviating during the conveying process.
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Description

Technical Field

[0001] This utility model relates to the field of corrugated cardboard processing technology, and in particular to a preheating device for corrugated cardboard processing. Background Technology

[0002] Corrugated cardboard, also known as corrugated paperboard, is a type of cardboard box made of multiple layers of cardboard bonded together. It can wrap and store some fragile items and has good elasticity and extensibility. Corrugated cardboard requires preheating, drying and cutting processes during production, so a preheating device is needed during the production process.

[0003] A search revealed a preheating device for corrugated cardboard processing, disclosed in publication number CN218489236U. This device, belonging to the field of corrugated cardboard processing technology, addresses the problems of poor preheating efficiency and unsatisfactory results for corrugated cardboard processing. The device includes a processing box with a base plate fixed to the bottom side wall. Two symmetrically distributed drive shafts are rotatably connected to the inner side wall of the processing box, and a conveyor belt is fitted onto the outer surface of the drive shafts. A mounting plate is fixed to the processing box, and a drive motor is fixed to the top side wall of the mounting plate. This invention uses a conveyor belt to uniformly transport the corrugated cardboard, and a reciprocating assembly to move the heating plate back and forth. Compared to traditional preheating devices, this device offers higher preheating efficiency for corrugated cardboard, is more convenient to operate, and has higher stability, thus better meeting the needs of corrugated cardboard preheating.

[0004] Although the above-mentioned solution uses a conveyor belt to uniformly transport corrugated cardboard and a reciprocating assembly to move the heating plate back and forth, thus achieving higher preheating efficiency for corrugated cardboard compared to traditional preheating devices, the lack of restraints during the transport process makes it prone to deviation, leading to a decrease in the preheating effect. Therefore, we propose a preheating device for corrugated cardboard processing. Utility Model Content

[0005] The main purpose of this utility model is to provide a preheating device for corrugated cardboard processing. By setting up a fixing unit and a preheating unit, it solves the problem that during the conveying process of corrugated cardboard, the lack of restraints on the corrugated cardboard can easily cause the corrugated cardboard to deviate, resulting in a decrease in the preheating effect of the corrugated cardboard.

[0006] To achieve the above objectives, this utility model provides the following technical solution: A preheating device for corrugated cardboard processing includes a main unit, a fixing unit and a cleaning unit disposed inside the main unit, and a preheating unit disposed above the main unit, wherein the cleaning unit is located above the fixing unit. The fixing unit includes a clamping member disposed inside the main unit and a pressing member installed on the inner side wall of the main unit and located above the clamping member; The preheating unit includes a cover seat installed on top of the main unit, a hydraulic telescopic cylinder installed on the inner top wall of the cover seat, a heating element installed on the telescopic end of the hydraulic telescopic cylinder, and a heating plate installed at the bottom of the heating element.

[0007] Preferably, the main unit includes a U-shaped seat, a conveyor belt movably disposed inside the U-shaped seat, and a first drive motor installed at the input end of the conveyor belt.

[0008] Preferably, the clamping member includes a fixed seat mounted on the surface of the conveyor belt, a Z-shaped pressure plate movably mounted inside the fixed seat, and a connecting spring with one end fixedly connected to the Z-shaped pressure plate and the other end fixedly connected to the inner bottom wall of the fixed seat.

[0009] Preferably, the pressing component includes a connecting seat installed on the inner side wall of the U-shaped seat, an electric telescopic rod installed on the bottom wall of the connecting seat, and a pressing seat installed on the telescopic end of the electric telescopic rod.

[0010] Preferably, there are a plurality of clamping members, and the plurality of clamping members are symmetrically arranged about the bisecting plane of the conveyor belt.

[0011] Preferably, the cleaning unit includes a cleaning component movably disposed inside the U-shaped seat, and a second drive motor installed at the input end of the cleaning component.

[0012] Preferably, the cleaning component includes a rotating shaft movably disposed inside the U-shaped seat and located below the conveyor belt, a rotating roller mounted on the circumferential side of the rotating shaft, and a cleaning soft brush mounted on the side wall of the rotating roller.

[0013] Compared with the prior art, the present invention has the following beneficial effects: In this invention, through the setting of a fixing unit and a preheating unit, when it is necessary to fix the corrugated cardboard before preheating, the telescopic end of the electric telescopic rod extends, driving the pressure seat to move down and press the high end of the Z-shaped pressure plate, and compressing the connecting spring, thereby raising the low end of the Z-shaped pressure plate. At this time, the corrugated cardboard can be placed on the conveyor belt and located below the Z-shaped pressure plate. Subsequently, the telescopic end of the electric telescopic rod retracts, and under the elastic force of the connecting spring, the Z-shaped pressure plate returns to its original position, thus realizing convenient fixing of the corrugated cardboard before preheating. After the corrugated cardboard is fixed, it moves with the conveyor belt to the area below the heating plate. Then, the telescopic end of the hydraulic telescopic cylinder extends, and the heating element drives the heating plate to approach the corrugated cardboard, continuously heating it, thereby realizing the preheating of the corrugated cardboard for processing. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the main structure of this utility model; Figure 3 This utility model Figure 2 Schematic diagram of the cross-sectional structure at point AA; Figure 4 This utility model Figure 2 Schematic diagram of the cross-sectional structure at point BB; Figure 5 This utility model Figure 1 Enlarged schematic diagram of the I-structure.

[0015] In the picture: 1. Main unit; 101. U-shaped seat; 102. Conveyor belt; 103. First drive motor; 2. Fixing unit; 201. Clamping component; 2011. Fixing base; 2012. Z-shaped pressure limiting plate; 2013. Connecting spring; 202. Pressing component; 2021. Connecting base; 2022. Electric telescopic rod; 2023. Pressing extension base; 3. Preheating unit; 301. Hydraulic telescopic cylinder; 302. Heating element; 303. Heating plate; 304. Cover seat; 4. Cleaning unit; 401. Cleaning component; 4011. Rotating shaft; 4012. Rotating roller; 4013. Cleaning soft brush; 402. Second drive motor. Detailed Implementation

[0016] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments. Example

[0017] like Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 5 As shown, a preheating device for corrugated cardboard processing includes a main body unit 1, a fixing unit 2 and a cleaning unit 4 disposed inside the main body unit 1, and a preheating unit 3 disposed above the main body unit 1, wherein the cleaning unit 4 is located above the fixing unit 2. like Figure 2 As shown, the fixing unit 2 includes a clamping member 201 disposed inside the main body unit 1 and a pressing member 202 installed on the inner side wall of the main body unit 1 and located above the clamping member 201. The clamping member 201 can clamp and fix the corrugated cardboard. like Figure 2 and Figure 4 As shown, the preheating unit 3 includes a cover seat 304 installed on the top of the main unit 1, a hydraulic telescopic cylinder 301 installed on the inner top wall of the cover seat 304, a heating element 302 installed on the telescopic end of the hydraulic telescopic cylinder 301, the heating element 302, and a heating plate 303 installed at the bottom of the heating element 302. When the telescopic end of the hydraulic telescopic cylinder 301 extends or retracts, the heating element 302 can drive the heating plate 303 to move up and down.

[0018] like Figure 1 As shown, the main unit 1 includes a U-shaped seat 101, a conveyor belt 102 movably disposed inside the U-shaped seat 101, and a first drive motor 103 installed at the input end of the conveyor belt 102. When the first drive motor 103 drives the conveyor belt 102 to work, it can drive the corrugated cardboard on the surface of the conveyor belt 102 to move.

[0019] like Figure 5 As shown, the clamping member 201 includes a fixed seat 2011 mounted on the surface of the conveyor belt 102, a Z-shaped pressure plate 2012 movably mounted inside the fixed seat 2011, and a connecting spring 2013 with one end fixedly connected to the Z-shaped pressure plate 2012 and the other end fixedly connected to the inner bottom wall of the fixed seat 2011. The connecting spring 2013 facilitates the return and restoration of the Z-shaped pressure plate 2012.

[0020] like Figure 5 As shown, the pressing component 202 includes a connecting seat 2021 installed on the inner side wall of the U-shaped seat 101, an electric telescopic rod 2022 installed on the bottom wall of the connecting seat 2021, and a pressing seat 2023 installed on the telescopic end of the electric telescopic rod 2022. When the telescopic end of the electric telescopic rod 2022 extends or retracts, it can drive the pressing seat 2023 to move up and down.

[0021] like Figure 3 As shown, there are several clamping members 201, and the several clamping members 201 are symmetrically arranged about the bisecting plane of the conveyor belt 102, thereby achieving stable clamping of the corrugated cardboard.

[0022] like Figure 2 As shown, the cleaning unit 4 includes a cleaning component 401 movably disposed inside the U-shaped seat 101, and a second drive motor 402 installed at the input end of the cleaning component 401. The cleaning component 401 is configured to clean the dust on the surface of the conveyor belt 102.

[0023] When it is necessary to fix the corrugated cardboard before preheating, the telescopic end of the electric telescopic rod 2022 extends, causing the pressure seat 2023 to move down and press the high end of the Z-shaped pressure plate 2012, and compress the connecting spring 2013, thereby raising the bottom end of the Z-shaped pressure plate 2012. At this time, the corrugated cardboard can be placed on the conveyor belt 102 and located below the Z-shaped pressure plate 2012. Subsequently, the telescopic end of the electric telescopic rod 2022 retracts, and under the elastic force of the connecting spring 2013, the Z-shaped pressure plate 2012 returns to its original position, thus achieving convenient fixing of the corrugated cardboard before preheating. Example

[0024] like Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 5 As shown, a preheating device for corrugated cardboard processing includes a main body unit 1, a fixing unit 2 and a cleaning unit 4 disposed inside the main body unit 1, and a preheating unit 3 disposed above the main body unit 1, wherein the cleaning unit 4 is located above the fixing unit 2. like Figure 2 As shown, the fixing unit 2 includes a clamping member 201 disposed inside the main body unit 1 and a pressing member 202 installed on the inner side wall of the main body unit 1 and located above the clamping member 201. The clamping member 201 can clamp and fix the corrugated cardboard. like Figure 2 and Figure 4 As shown, the preheating unit 3 includes a cover seat 304 installed on the top of the main unit 1, a hydraulic telescopic cylinder 301 installed on the inner top wall of the cover seat 304, a heating element 302 installed on the telescopic end of the hydraulic telescopic cylinder 301, the heating element 302, and a heating plate 303 installed at the bottom of the heating element 302. When the telescopic end of the hydraulic telescopic cylinder 301 extends or retracts, the heating element 302 can drive the heating plate 303 to move up and down.

[0025] like Figure 1 As shown, the main unit 1 includes a U-shaped seat 101, a conveyor belt 102 movably disposed inside the U-shaped seat 101, and a first drive motor 103 installed at the input end of the conveyor belt 102. When the first drive motor 103 drives the conveyor belt 102 to work, it can drive the corrugated cardboard on the surface of the conveyor belt 102 to move.

[0026] like Figure 5 As shown, the clamping member 201 includes a fixed seat 2011 mounted on the surface of the conveyor belt 102, a Z-shaped pressure plate 2012 movably mounted inside the fixed seat 2011, and a connecting spring 2013 with one end fixedly connected to the Z-shaped pressure plate 2012 and the other end fixedly connected to the inner bottom wall of the fixed seat 2011. The connecting spring 2013 facilitates the return and restoration of the Z-shaped pressure plate 2012.

[0027] like Figure 5 As shown, the pressing component 202 includes a connecting seat 2021 installed on the inner side wall of the U-shaped seat 101, an electric telescopic rod 2022 installed on the bottom wall of the connecting seat 2021, and a pressing seat 2023 installed on the telescopic end of the electric telescopic rod 2022. When the telescopic end of the electric telescopic rod 2022 extends or retracts, it can drive the pressing seat 2023 to move up and down.

[0028] like Figure 3 As shown, there are several clamping members 201, and the several clamping members 201 are symmetrically arranged about the bisecting plane of the conveyor belt 102, thereby achieving stable clamping of the corrugated cardboard.

[0029] like Figure 2 As shown, the cleaning unit 4 includes a cleaning component 401 movably disposed inside the U-shaped seat 101, and a second drive motor 402 installed at the input end of the cleaning component 401. The cleaning component 401 is configured to clean the dust on the surface of the conveyor belt 102.

[0030] like Figure 3 As shown, the cleaning component 401 includes a rotating shaft 4011 movably disposed inside the U-shaped seat 101 and located below the conveyor belt 102, a rotating roller 4012 installed on the circumferential side of the rotating shaft 4011, and a cleaning soft brush 4013 installed on the side wall of the rotating roller 4012. When the rotating shaft 4011 rotates, the cleaning soft brush 4013 can be driven to rotate synchronously through the rotating roller 4012.

[0031] After the corrugated paper is fixed, the corrugated cardboard moves with the conveyor belt 102 to the area below the heating plate 303. Then, the extension end of the hydraulic telescopic cylinder 301 extends, and the heating element 302 drives the heating plate 303 to approach the corrugated cardboard, continuously heating the corrugated cardboard, thereby realizing the preheating of the corrugated cardboard for processing.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A preheating device for corrugated cardboard processing, comprising a main body unit (1), characterized in that, It also includes a fixing unit (2) and a cleaning unit (4) disposed inside the main body unit (1), and a preheating unit (3) disposed above the main body unit (1), wherein the cleaning unit (4) is located above the fixing unit (2); The fixing unit (2) includes a clamping member (201) disposed inside the main body unit (1) and a pressing member (202) installed on the inner side wall of the main body unit (1) and located above the clamping member (201). The preheating unit (3) includes a cover seat (304) installed on the top of the main unit (1), a hydraulic telescopic cylinder (301) installed on the inner top wall of the cover seat (304), a heating element (302) installed on the telescopic end of the hydraulic telescopic cylinder (301), and a heating plate (303) installed on the bottom of the heating element (302).

2. The preheating device for corrugated cardboard processing according to claim 1, characterized in that: The main unit (1) includes a U-shaped seat (101), a conveyor belt (102) movably disposed inside the U-shaped seat (101), and a first drive motor (103) installed at the input end of the conveyor belt (102).

3. A preheating device for corrugated cardboard processing according to claim 2, characterized in that: The clamping member (201) includes a fixed seat (2011) mounted on the surface of the conveyor belt (102), a Z-shaped pressure plate (2012) movably mounted inside the fixed seat (2011), and a connecting spring (2013) with one end fixedly connected to the Z-shaped pressure plate (2012) and the other end fixedly connected to the bottom wall of the fixed seat (2011).

4. A preheating device for corrugated cardboard processing according to claim 2, characterized in that: The pressing component (202) includes a connecting seat (2021) installed on the inner side wall of the U-shaped seat (101), an electric telescopic rod (2022) installed on the bottom wall of the connecting seat (2021), and a pressing seat (2023) installed on the telescopic end of the electric telescopic rod (2022).

5. A preheating device for corrugated cardboard processing according to claim 3, characterized in that: There are a plurality of clamping members (201), and the plurality of clamping members (201) are symmetrically arranged about the bisecting plane of the conveyor belt (102).

6. A preheating device for corrugated cardboard processing according to claim 5, characterized in that: The cleaning unit (4) includes a cleaning component (401) movably disposed inside the U-shaped seat (101) and a second drive motor (402) installed at the input end of the cleaning component (401).

7. A preheating device for corrugated cardboard processing according to claim 6, characterized in that: The cleaning component (401) includes a rotating shaft (4011) movably disposed inside the U-shaped seat (101) and located below the conveyor belt (102), a rotating roller (4012) mounted on the circumferential side of the rotating shaft (4011), and a cleaning soft brush (4013) mounted on the side wall of the rotating roller (4012).

Citation Information

Patent Citations

  • Preheating device for corrugated board processing

    CN218489236U