Paperboard neatening device for paperboard production

By using a vertically mounted double flat pressure roller belt and a servo motor-controlled cardboard leveling device, efficient leveling and polishing of cardboard is achieved, solving the problems of low leveling and polishing efficiency and waste accumulation in existing technologies, and improving the operational stability of the equipment.

CN223934306UActive Publication Date: 2026-02-24JIANGSU HAIFU PACKAGING TECHNOLOGY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520520991.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2026-02-24
Estimated Expiration
2035-03-24

AI Technical Summary

Technical Problem

Existing cardboard leveling and sanding devices cannot perform simultaneously and efficiently, and the waste generated during sanding is prone to accumulate, affecting equipment operation.

Method used

The system employs a vertically symmetrical first and second frame, coupled with dual flat pressure rollers, and uses a servo motor to control the full-coverage conveying of the cardboard and the side sliding friction grinding. It is also equipped with a recycling box and isolation mesh frame to collect waste.

Benefits of technology

It achieves efficient leveling and sanding of both sides of the cardboard, improves processing efficiency, avoids waste accumulation, and ensures stable operation of the equipment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223934306U_ABST
    Figure CN223934306U_ABST
Patent Text Reader

Abstract

The paperboard tidying device for paperboard production comprises a base, positioning supporting columns are fixed to the right side of the top of the base in a front-back symmetry mode, a frame plate is fixedly connected to the left sides of the top ends of the positioning supporting columns, a plurality of cushion blocks are fixed to the left side of the frame plate in a cross symmetry mode, and first frame bases are fixedly connected to the left sides of the cushion blocks; electric push rods are fixedly embedded in the left side of the first frame base in a cross symmetry mode, a second frame base is fixedly connected to the output ends of the left sides of the electric push rods, flat pressing wheel belts are erected in the sides, opposite to the first frame base, of the second frame base, and belt wheels are arranged on the inner sides of the upper ends and the lower ends of the flat pressing wheel belts in a matched mode; shaft sleeves are rotationally matched with the outer sides of the front end and the rear end of each belt wheel, the front sides and the rear sides, opposite to each other, of the shaft sleeves are fixed to the first frame base and the second frame base in an embedded mode correspondingly, a pressed paperboard can be comprehensively conveyed, then the left side face and the right side face of the paperboard are leveled, and meanwhile sliding friction comprehensive grinding can be conducted on the two side faces of the paperboard.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of paperboard production technology, specifically to a paperboard straightening device for paperboard production. Background Technology

[0002] Corrugated cardboard, also known as corrugated paperboard, is made of at least one layer of corrugated paper and one layer of linerboard bonded together. It has good elasticity and extensibility and is mainly used to manufacture cartons, carton fillings, and other packaging materials for fragile goods. It is made by pulping straw pulp and waste paper to make a base paperboard similar to yellow cardboard, which is then mechanically rolled into a corrugated shape. Finally, it is bonded to the linerboard with adhesives such as sodium silicate. It has high mechanical strength and can withstand the impact during handling, so it is widely used in the packaging industry.

[0003] The fine processing and packaging of some cardboard requires flattening and sanding of both sides after shearing and cutting to maintain aesthetics and avoid scratching the products in contact. Existing flattening devices mostly use rollers to squeeze the cardboard surface, while sanding uses electric grinding discs for single-sided contact friction. This process involves many steps and is time-consuming, making it impossible to combine flattening and sanding simultaneously. Furthermore, the waste generated by sanding can easily accumulate on the cardboard and drive equipment, causing pollution and even affecting the normal operation of the drive equipment. Utility Model Content

[0004] The purpose of this utility model is to provide a paperboard leveling device for paperboard production, which can fully press and convey the extruded paperboard to level the left and right sides of the paperboard. At the same time, it can perform sliding friction to fully polish the two sides of the paperboard, improve the overall leveling and polishing quality of the paperboard, increase the overall processing efficiency, and effectively avoid the problem of waste accumulation and blockage.

[0005] To achieve the above objectives, a paperboard straightening device for paperboard production is provided, comprising: a base, a groove extending to the left from the center of the top of the base, a recycling box slidingly fitted within the groove, a separating mesh frame attached to the top of the recycling box, the rear side of the separating mesh frame being rotatably connected to the recycling box via a hinge, positioning pillars symmetrically fixed to the front and back of the top right side of the base, a frame plate fixedly connected to the top left of the positioning pillars, several pads symmetrically fixed to the left side of the frame plate, a first frame fixedly connected to the left side of the pads, an electric push rod symmetrically fitted to the left side of the first frame, a second frame fixedly connected to the left output end of the electric push rod, a flat pressure roller belt mounted inside the second frame on the side opposite to the first frame, a clamping plate slidably fitted to the inner side of the flat pressure roller belt, the front and back sides of the clamping plate being fixedly connected to the first and second frames respectively, and the outer side of the flat pressure roller belt being fitted with... The system is covered with a sanding belt. Pulleys are fitted to the inner sides of both the upper and lower ends of the flat pressure belt, and bushings are rotatably fitted to the outer sides of both the front and rear ends of the pulleys. The opposite sides of the bushings are respectively fitted and fixed to the first and second frames. The bushings located at the top rear of the belt are replaced with servo motors. The vertically and symmetrically mounted first and second frames, along with the double flat pressure belt, perform opposing pressure on the cardboard for comprehensive covering and conveying, thereby flattening the left and right sides of the cardboard. Simultaneously, by controlling the power of the two servo motors, a speed difference can be created in the flat pressure belt, allowing for alternating sliding friction and comprehensive sanding of the cardboard's two sides. This improves the overall flattening and sanding quality of the cardboard and increases overall processing efficiency. Furthermore, a recycling box with an isolation mesh frame can block falling cardboard, while sanding debris naturally falls into the recycling box for centralized collection, preventing accumulation in the frames and ensuring continuous and stable operation of the belt.

[0006] According to the aforementioned cardboard straightening device for cardboard production, the servo motors are electrically coordinated and uniformly controlled by the same control equipment. This ensures stable alternating operation of the two motors, thereby performing comprehensive sanding and flattening operations on both sides of the cardboard.

[0007] According to the aforementioned cardboard straightening device for cardboard production, rubber pads are fixedly connected to the upper edges of both the front and rear sides of the chute, and the rubber pads are inclined upwards from left to right. This cushions and protects the vertically falling cardboard while causing it to tilt to the left under force.

[0008] According to the paperboard straightening device for paperboard production, the top outer surface of each rubber pad is covered with an anti-slip film. This prevents the paperboard from sliding to the left after falling vertically and contacting the rubber pad, thus avoiding the problem of the entire board tipping to the right.

[0009] According to the aforementioned cardboard straightening device for cardboard production, a semi-enclosed partition is fixedly connected to the bottom of the first frame. The semi-enclosed partition has an opening on the right side, and its bottom is fitted and supported against the base. This device helps to limit and separate the cardboard while preventing waste debris and other contaminants generated during the process from scattering and causing pollution.

[0010] According to the aforementioned cardboard alignment device for cardboard production, a feed hopper is fixedly connected to the top of the first frame, and the bottom left side of the feed hopper is slidably engaged with the second frame. This facilitates the accurate feeding of the cardboard.

[0011] According to the aforementioned cardboard straightening device for cardboard production, a handle is fixedly connected to the center of the left side of the recycling box. This facilitates convenient handling of the recycling box.

[0012] According to the aforementioned cardboard leveling device for cardboard production, auxiliary feeding rollers are symmetrically mounted on the left side of the chute, with the opposite sides of each auxiliary feeding roller embedded in the inner wall of the base and rotating therewith. The cardboard to be leveled slides to the left for discharge, preventing it from remaining on the base and causing subsequent congestion.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] In this invention, a first and second frame, vertically and symmetrically erected, work in conjunction with double flat pressure rollers to press and convey the cardboard in opposite directions, thereby flattening the left and right sides of the cardboard. Simultaneously, by controlling the power of two servo motors, a speed difference can be created in the flat pressure rollers, allowing them to alternately slide and rub against the two sides of the cardboard for comprehensive sanding. This improves the overall flatness and sanding quality of the cardboard and enhances the overall processing efficiency. Furthermore, a recycling box with an isolation mesh frame can block the falling cardboard, while the sanding debris can naturally fall into the recycling box for centralized collection, preventing it from accumulating in the frame and causing blockages and pollution, thus ensuring the continuous and stable operation of the rollers.

[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0017] Figure 1 This is a schematic diagram of the connection structure of the recycling box in a paperboard straightening device for paperboard production according to this utility model;

[0018] Figure 2 This is a schematic diagram showing the positional distribution of the first and second frames in a paperboard straightening device for paperboard production according to this utility model;

[0019] Figure 3 This is a schematic diagram of the connection structure of the flat pressure roller belt in a paperboard straightening device for paperboard production according to this utility model;

[0020] Figure 4 This is a schematic diagram of a paperboard straightening device for paperboard production according to the present invention.

[0021] In the diagram: 1. Base; 2. Slide groove; 3. Recycling box; 4. Isolation mesh frame; 5. Positioning support column; 6. Shelf plate; 7. Pad block; 8. First frame seat; 9. Electric push rod; 10. Second frame seat; 11. Flat pressure roller belt; 12. Pulley; 13. Bushing; 14. Rubber pad rod; 15. Semi-enclosed partition; 16. Feed hopper; 17. Handle; 18. Auxiliary feeding roller. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-4 This utility model provides a technical solution: a cardboard straightening device for cardboard production, comprising: a base 1, a trough 2 opened to the left at the top center of the base 1, auxiliary feeding rollers 18 symmetrically mounted on the left side of the trough 2, the opposite sides of the auxiliary feeding rollers 18 being embedded in the inner wall of the base 1 and rotating therewith, rubber pads 14 fixedly connected to the upper edges of the front and rear sides of the trough 2, the rubber pads 14 being inclined upwards from left to right, and the top outer surface of the rubber pads 14 being covered with a layer of anti-slip film, a recycling box 3 slidingly mounted inside the trough 2, an isolation mesh frame 4 attached to the top of the recycling box 3, a handle 17 fixedly connected to the center of the left side of the recycling box 3, and the rear side of the isolation mesh frame 4 being rotatably connected to the recycling box 3 via a hinge, which blocks the falling cardboard while collecting the waste generated by grinding into the recycling box.

[0024] A positioning support column 5 is symmetrically fixed to the top right side of the base 1. A frame plate 6 is fixedly connected to the top left side of the positioning support column 5. Several pads 7 are symmetrically fixed to the left side of the frame plate 6. A first frame 8 is fixedly connected to the left side of the pads 7. An electric push rod 9 is symmetrically fitted to the left side of the first frame 8. A second frame 10 is fixedly connected to the left output end of the electric push rod 9. A flat pressure roller belt 11 is mounted inside the second frame 10 on the side opposite to the first frame 8. A locking plate is slidably fitted inside the flat pressure roller belt 11. The front and rear sides of the locking plate are fixedly connected to the first frame 8 and the second frame 10 respectively. The outer surface of the belt 1 is covered with a frosted belt. The inner sides of the upper and lower ends of the flat pressure belt 11 are fitted with pulleys 12. The outer sides of the front and rear ends of the pulleys 12 are fitted with bushings 13. The opposite sides of the bushings 13 are respectively fitted and fixed to the first frame 8 and the second frame 10. The bushings 13 located at the rear of the top of the belt are replaced with servo motors. The servo motors are electrically connected and uniformly controlled by the same control device. They can fully press and convey the extruded cardboard, thereby flattening the left and right sides of the cardboard. At the same time, they can perform sliding friction to fully polish the two sides of the cardboard, improving the overall flattening and polishing quality of the cardboard.

[0025] The bottom of the first frame 8 is fixedly connected to a semi-enclosed partition 15, which has an opening on the right side and its bottom is fitted to the base 1. The top of the first frame 8 is fixedly connected to a feed hopper 16, and the bottom left side of the feed hopper 16 is slidably engaged with the second frame 10 to help improve the efficiency and accuracy of loading and unloading cardboard.

[0026] Working principle: In this utility model, the first and second frames 8 and 10, which are vertically and symmetrically erected, work together with the double flat pressure roller belts 11 to press and convey the cardboard in opposite directions, thereby flattening the left and right sides of the cardboard. At the same time, by controlling the power of the two servo motors, the flat pressure roller belts 11 can be made to have a speed difference, thereby alternately sliding and rubbing the two sides of the cardboard to fully polish it, improving the overall flattening and polishing quality of the cardboard and increasing the overall processing efficiency. In addition, by setting up a recycling box 3 and an isolation net frame 4, the falling cardboard can be blocked, but the waste generated by polishing can fall naturally into the recycling box 3 for centralized collection, avoiding its accumulation in the frame and causing blockage and pollution, and ensuring the continuous and stable operation of the roller belts.

[0027] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A paperboard straightening device for paperboard production, comprising: The base (1) is characterized in that a sliding groove (2) is provided to the left at the top center of the base (1), and a recycling box (3) is slidably fitted in the sliding groove (2). A layer of isolation net frame (4) is attached to the top of the recycling box (3). The rear side of the isolation net frame (4) is rotatably connected to the recycling box (3) by a hinge. A positioning support column (5) is symmetrically fixed to the front and back of the top right side of the base (1). A frame plate (6) is fixedly connected to the top left side of the positioning support column (5). Several pads (7) are symmetrically fixed to the left side of the frame plate (6). A first frame (8) is fixedly connected to the left side of the pads (7). An electric push rod (9) is symmetrically fitted to the left side of the first frame (8). The electric push rod (9) is connected to the left side of the electric push rod (9). The outlet end is fixedly connected to a second frame (10). The second frame (10) and the first frame (8) are both equipped with flat pressure belts (11) on the side opposite to the first frame (8). The inner side of the flat pressure belt (11) is slidably fitted with a clamping plate. The front and rear sides of the clamping plate are fixedly connected to the first frame (8) and the second frame (10). The outer side of the flat pressure belt (11) is covered with a frosted belt. The inner sides of the upper and lower ends of the flat pressure belt (11) are fitted with pulleys (12). The outer sides of the front and rear ends of the pulleys (12) are rotatably fitted with bushings (13). The opposite sides of the bushings (13) are respectively fitted and fixed to the first frame (8) and the second frame (10). The bushings (13) located on the rear side of the top of the belt are all replaced with servo motors.

2. The paperboard straightening device for paperboard production as described in claim 1, characterized in that: The servo motors are electrically coordinated and uniformly controlled by the same control device.

3. The paperboard straightening device for paperboard production as described in claim 1, characterized in that: Rubber pads (14) are fixedly connected to the upper edges of the front and rear sides of the slide (2), and the rubber pads (14) are inclined upward from left to right.

4. The paperboard straightening device for paperboard production as described in claim 3, characterized in that: The top outer surface of the rubber pad rod (14) is covered with a layer of anti-slip film.

5. The paperboard straightening device for paperboard production as described in claim 1, characterized in that: The bottom of the first frame (8) is fixedly connected to a semi-enclosed partition (15), which has an opening on the right side and its bottom is fitted and mounted to the base (1).

6. The paperboard straightening device for paperboard production as described in claim 1, characterized in that: The top of the first frame (8) is fixedly connected to a feed hopper (16), and the bottom left side of the feed hopper (16) is slidably engaged with the second frame (10).

7. The paperboard straightening device for paperboard production as described in claim 1, characterized in that: A handle (17) is fixedly connected to the center of the left side of the recycling box (3).

8. The paperboard straightening device for paperboard production as described in claim 1, characterized in that: The auxiliary feeding rollers (18) are symmetrically mounted on the left side of the chute (2). The opposite side of the auxiliary feeding rollers (18) is embedded in the inner wall of the base (1) and rotates with it.