Three-roll plate rolling machine

By designing a collection bin and cleaning plate structure in the three-roll plate bending machine, the problem of difficult grinding slag removal was solved, achieving efficient and convenient grinding slag cleaning and equipment maintenance, and improving production efficiency and safety.

CN224586680UActive Publication Date: 2026-08-04DALIAN JINDING PETROCHEMICAL MASCH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DALIAN JINDING PETROCHEMICAL MASCH CO LTD
Filing Date
2025-06-05
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

The slag produced during the welding process of existing three-roll plate rolling machines is difficult to clean, resulting in reduced production efficiency and increased operational complexity, making it difficult to meet the clean, safe and efficient requirements of modern production.

Method used

Design a three-roll plate bending machine, comprising a collection bin, a cleaning plate, and a horizontal pushing structure. The collection bin is located at the bottom of the mounting frame. The cleaning plate is driven by a push cylinder, which can collect and discharge grinding slag in a timely manner, simplifying the cleaning process. The collection bin is securely installed and disassembled by a plug-in rod and a positioning screw.

Benefits of technology

It achieves efficient collection and cleaning of grinding slag, reduces labor intensity, improves production efficiency and maintenance convenience, and ensures the safety and reliability of the equipment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224586680U_ABST
    Figure CN224586680U_ABST
Patent Text Reader

Abstract

The utility model relates to metal sheet processing technical field especially, it is a three roll plate bending machine, solved the welding material that adds in the electric welding process in prior art will partially fall off and form the mill slag in secondary rolling, these mill slag will drop on the bed under the action of gravity, and the space below the bed is small, lead to mill slag accumulation after difficult to clean up problem. A three roll plate bending machine, including base, mounting bracket, drive box and three rotating rollers, three rotating rollers rotate and connect in the inner top of mounting bracket and one end all with the output end cooperation of drive box, the inner bottom of mounting bracket is provided with collection bin, and both sides of collection bin all with the inner wall of mounting bracket are detachably connected. The utility model discloses through design collection bin and built -in cleaning plate, make mill slag easy to concentrate and convenient for cleaning, reduce the cleaning difficulty, while, collection bin can be through the quick detachable of inserting rod, be convenient for maintenance, effectively solved the mill slag difficult to clean up problem in traditional equipment, improved the cleaning efficiency and maintenance convenience.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of metal sheet processing technology, and in particular to a three-roll plate rolling machine. Background Technology

[0002] Three-roll plate bending machines are mechanical devices used to roll steel plates into cylindrical shapes, widely used in machinery manufacturing, shipbuilding, chemical equipment, and many other industries. As a key piece of equipment in the metal forming process, its performance and ease of operation have a decisive impact on production efficiency and product quality. Especially for workpieces requiring high precision and complex curvature, three-roll plate bending machines play an irreplaceable role in ensuring processing quality and efficiency. As a core component, the three-roll plate bending machine occupies an important position in the metal sheet processing industry. As a crucial link in achieving efficient and precise bending forming, its ease of operation and maintenance has a decisive impact on overall production efficiency and safety. Particularly in the secondary rolling process, existing designs are gradually revealing significant limitations when handling steel plates with welding additives.

[0003] Specifically, during the welding process, some of the welding materials added will detach and form slag during the secondary rolling and pressing. This slag will fall onto the machine base under gravity, and the limited space under the machine base makes it difficult to clean after it accumulates. These problems directly lead to reduced production efficiency, increased operational complexity, and make it difficult to meet the demands of modern production for cleanliness, safety, and efficiency.

[0004] Therefore, to address the shortcomings of existing technologies, we urgently need a design for a three-roll plate bending machine to solve these problems. This new design should significantly improve cleaning efficiency and maintenance convenience during the production process, while better meeting the requirements of modern industry for safe production and efficient operation, providing strong support for the sustainable development of the sheet metal processing industry. Utility Model Content

[0005] The purpose of this invention is to provide a three-roll plate rolling machine that solves the problem in the prior art where welding materials added during the electric welding process partially fall off and form slag during the secondary rolling process. This slag falls onto the machine base under gravity, and the space under the machine base is small, making it difficult to clean the accumulated slag.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A three-roll plate bending machine includes a base, a mounting frame, a drive box, and three rotating rollers;

[0008] The three rotating rollers are rotatably connected to the inner top of the mounting frame, and one end of each roller is engaged with the output end of the drive box. A collection chamber is provided at the inner bottom of the mounting frame, and both sides of the collection chamber are detachably connected to the inner wall of the mounting frame.

[0009] The collection chamber has a discharge port on one side, and a cover that is detachably connected to the side wall of the collection chamber is provided on one side of the discharge port. The collection chamber is equipped with a cleaning plate, which is connected to the inner wall of the collection chamber by a horizontal pushing structure.

[0010] Preferably, both sides of the inner wall of the mounting frame are fixedly connected to support rods, and the two support rods are provided with insertion slots on the side that is close to each other. The top of both sides of the collection compartment are fixedly connected to insertion rods that are adapted to the insertion slots.

[0011] Preferably, the horizontal pushing structure includes a pushing cylinder installed at the bottom center of one side of the collection chamber, the output end of the pushing cylinder being connected to the cleaning plate, and the collection chamber being inverted conical in shape.

[0012] Preferably, one end of the plug rod is fixedly connected to a positioning screw, one end of the support rod has a through hole that communicates with the plug groove and is adapted to the positioning screw, and one end of the positioning screw is threadedly connected to a positioning nut.

[0013] Preferably, a U-shaped handle is provided on the top side of the collection chamber, and one end of each of the two vertical sections of the handle is fixedly connected to the side wall of the collection chamber.

[0014] Preferably, two guide rods are symmetrically arranged on one side of the sweeping plate. One end of the guide rod slides through the sweeping plate and connects to the inner wall of the collection chamber, and the other end connects to the other inner wall of the collection chamber.

[0015] This utility model has the following beneficial effects:

[0016] The collection bin can promptly collect grinding slag that falls off the steel plate, preventing it from scattering into hard-to-reach spaces under the machine base, reducing cleaning difficulty and improving production efficiency. The cleaning plate allows operators to easily and quickly discharge the collected grinding slag from the discharge port, eliminating the need for frequent equipment disassembly or manual cleaning in confined spaces, greatly improving maintenance convenience and reducing labor intensity. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the base and mounting frame structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the insertion slot and positioning hole structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the discharge port and sealing structure of this utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the push cylinder and guide rod of this utility model.

[0023] In the diagram: 1. Base; 2. Mounting frame; 3. Rotary roller; 4. Collection bin; 5. Drive box; 6. Support rod; 7. Connecting rod; 8. Through hole; 9. Connecting slot; 10. Positioning screw; 11. Positioning nut; 12. Cleaning plate; 13. Discharge port; 14. Cover; 15. Handle; 16. Push cylinder; 17. Guide rod. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0025] Example 1

[0026] Please see Figure 1-5 As shown, a three-roll plate bending machine of this embodiment includes a base 1, a mounting frame 2, a drive box 5, and three rotating rollers 3;

[0027] Three rotating rollers 3 are rotatably connected to the inner top of the mounting frame 2, and one end of each roller is engaged with the output end of the drive box 5. A collection chamber 4 is provided at the inner bottom of the mounting frame 2, and both sides of the collection chamber 4 are detachably connected to the inner wall of the mounting frame 2.

[0028] A discharge port 13 is provided on one side of the collection chamber 4. A cover 14 is provided on one side of the discharge port 13 and is detachably connected to the side wall of the collection chamber 4. A cleaning plate 12 is provided inside the collection chamber 4. The cleaning plate 12 is connected to the inner wall of the collection chamber 4 through a horizontal pushing structure.

[0029] First, the steel plate to be processed is placed between three rotating rollers 3, which are securely fixed by a mounting frame 2 and connected at one end to a drive box 5 to ensure effective power transmission. When the equipment is started, the drive box 5 drives the three rotating rollers 3 to rotate, applying uniform pressure to the steel plate and gradually bending it into shape. During this process, especially for steel plates that have undergone electric welding, some of the welding additives will fall off during the secondary rolling process, forming abrasive slag. This slag falls downwards due to gravity and directly enters the collection chamber 4 located at the bottom of the mounting frame 2. The collection chamber 4 is designed with a discharge port 13 and is equipped with a removable cover 14 for convenient periodic cleaning of the abrasive slag. Furthermore, a cleaning plate 12 is installed inside the collection chamber 4 and connected to the inner wall of the collection chamber 4 via a horizontal pushing structure. Operators can easily push the accumulated abrasive slag towards the discharge port 13 using this structure, further simplifying the cleaning process.

[0030] Example 2

[0031] Please see Figure 1-5 As shown in this embodiment, a three-roll plate bending machine has support rods 6 fixedly connected to both sides of the inner wall of the mounting frame 2. Insertion slots 9 are provided on the sides of the two support rods 6 that are close to each other. Insertion rods 7, which are adapted to the insertion slots 9, are fixedly connected to the top of both sides of the collection bin 4. Specifically, through the arrangement of the support rods 6, insertion slots 9, and insertion rods 7, the collection bin 4 can be stably installed on the support rods 6 on both sides of the inner wall of the mounting frame 2. The insertion rods 7 are quickly positioned and fixed after being inserted into the insertion slots 9. When it is necessary to disassemble or clean the collection bin 4, the operation can be completed simply by pulling the insertion rods 7 out of the insertion slots 9, thus simplifying the installation and disassembly process of the collection bin 4 and improving the convenience of equipment maintenance.

[0032] One end of the plug-in rod 7 is fixedly connected to a positioning screw 10. One end of the support rod 6 has a through hole 8 that communicates with the plug-in groove 9 and is compatible with the positioning screw 10. One end of the positioning screw 10 is threadedly connected to a positioning nut 11. Specifically, through the setting of the positioning screw 10 and the positioning nut 11, one end of the plug-in rod 7 is fixed with the positioning screw 10, the through hole 8 on the support rod 6 communicates with the plug-in groove 9, and the positioning screw 10 passes through the through hole 8 and is locked in place by the positioning nut 11. This design ensures a firm connection between the plug-in rod 7 and the support rod 6, preventing the collection bin 4 from loosening or shifting during equipment operation, thereby improving the installation stability of the collection bin 4 and ensuring the safety and reliability of equipment operation.

[0033] Example 3

[0034] Please see Figure 1-5As shown in this embodiment, a three-roll plate bending machine includes a horizontal pushing structure comprising a pushing cylinder 16 installed at the bottom center of one side of the collection bin 4. The output end of the pushing cylinder 16 is connected to a cleaning plate 12. The collection bin 4 is inverted conical in shape. Specifically, through the arrangement of the pushing cylinder 16 and the inverted conical collection bin 4, and the connection of the output end of the pushing cylinder 16 to the cleaning plate 12, when the pushing cylinder 16 is activated, the cleaning plate 12 moves horizontally, pushing the grinding slag accumulated in the inverted conical collection bin 4 towards the discharge port 13. The inverted conical design makes it easier for the grinding slag to concentrate at the bottom, reducing cleaning resistance and achieving efficient cleaning of grinding slag, significantly improving cleaning efficiency and reducing the workload of operators.

[0035] A U-shaped handle 15 is provided on the top side of the collection chamber 4. One end of each of the two vertical sections of the handle 15 is fixedly connected to the side wall of the collection chamber 4. Specifically, through the U-shaped handle 15, the handle 15 is fixed to the top side of the collection chamber 4, and its two vertical sections are firmly connected to the side wall of the collection chamber 4. When it is necessary to move or disassemble the collection chamber 4, the operator can easily lift or move the collection chamber 4 by holding the U-shaped handle 15, avoiding the inconvenience of operation or the risk of equipment damage caused by directly grabbing the collection chamber 4. This achieves the effect of improving the convenience of operation and protecting the equipment, and further optimizes the maintenance process.

[0036] Two guide rods 17 are symmetrically arranged on one side of the cleaning plate 12. One end of the guide rod 17 slides through the cleaning plate 12 and connects to the inner wall of the collection chamber 4, while the other end connects to the other inner wall of the collection chamber 4. Specifically, the guide rods 17 are symmetrically arranged on one side of the cleaning plate 12 and connect through the cleaning plate 12 to the inner wall of the collection chamber 4. When the cylinder 16 drives the cleaning plate 12 to move, the guide rods 17 provide stable guidance for the cleaning plate 12, ensuring its smooth movement in the horizontal direction. This avoids the cleaning plate 12 from jamming or deviating due to uneven force, thereby improving the movement accuracy and reliability of the cleaning plate 12 and further enhancing the efficiency and quality of slag removal.

[0037] This solution includes the following work process:

[0038] The steel plate is first placed between three rotating rollers 3, which are securely fixed by a mounting frame 2 and connected at one end to a drive box 5 to ensure effective power transmission. When the equipment is started, the drive box 5 drives the three rotating rollers 3 to rotate, applying uniform pressure to the steel plate and gradually bending it into shape. During this process, especially for steel plates that have undergone electric welding, some of the welding additives will fall off during the secondary rolling process, forming abrasive slag. This slag falls downwards due to gravity and directly enters the collection chamber 4 located at the bottom of the mounting frame 2. The collection chamber 4 is designed with an inverted conical structure, which makes it easier for the abrasive slag to concentrate at the bottom, reducing cleaning resistance. Simultaneously, a discharge port 13 is provided on one side of the collection chamber 4, equipped with a removable cover 14 for convenient periodic cleaning of the abrasive slag. Furthermore, a cleaning plate 12 is installed inside the collection chamber 4 and connected to the inner wall of the collection chamber 4 via a horizontal pushing structure. The operator can drive the cleaning plate 12 horizontally by pushing a cylinder 16, pushing the abrasive slag accumulated in the collection chamber 4 towards the discharge port 13, further simplifying the cleaning process. To ensure the smooth movement of the cleaning plate 12, two guide rods 17 are symmetrically arranged on one side of the cleaning plate 12. The guide rods 17 pass through the cleaning plate 12 and connect to the inner wall of the collection chamber 4, providing a stable guide for the cleaning plate 12 and avoiding jamming or displacement caused by uneven force. At the same time, the collection chamber 4 is quickly positioned and fixed by inserting the plug rod 7 into the plug slot 9 on the support rod 6. One end of the plug rod 7 is fixed with a positioning screw 10. The positioning screw 10 passes through the through hole 8 on the support rod 6 and is locked in place by the positioning nut 11. This design ensures a firm connection between the collection chamber 4 and the mounting frame 2, preventing loosening or displacement during equipment operation. When it is necessary to disassemble or move the collection bin 4, the operator only needs to pull the plug rod 7 out of the plug slot 9 to complete the operation. At the same time, a U-shaped handle 15 is also provided on the top side of the collection bin 4. The operator can easily lift or move the collection bin 4 by holding the handle 15, avoiding the risk of inconvenience or damage to the equipment caused by directly grabbing the collection bin 4.

[0039] Through the coordinated operation of the aforementioned components, this three-roll plate bending machine achieves efficient and convenient grinding slag cleaning and maintenance. Specifically, the inverted conical collection bin 4 design allows grinding slag to naturally concentrate at the bottom, significantly improving cleaning efficiency. The drive cylinder 16 propels the cleaning plate 12 smoothly along the guide rod 17, precisely pushing the grinding slag towards the discharge port 13, achieving efficient cleaning and significantly reducing the workload of operators. Furthermore, the inclusion of the support rod 6, insertion slot 9, insertion rod 7, positioning screw 10, and positioning nut 11 allows for quick installation and disassembly of the collection bin 4, enhancing the convenience of equipment maintenance while ensuring its stability during operation, thus guaranteeing the safety and reliability of the equipment. The U-shaped handle 15 further optimizes the operating experience, making the handling of the collection bin 4 easier and avoiding the risk of equipment damage, thereby improving overall maintenance efficiency.

[0040] 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 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 claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A three-roll plate bending machine characterized by, include: The base (1), mounting bracket (2), drive box (5), and three rotating rollers (3) are included. The three rotating rollers (3) are rotatably connected to the inner top of the mounting frame (2) and one end of each roller is engaged with the output end of the drive box (5). The inner bottom of the mounting frame (2) is provided with a collection chamber (4), and both sides of the collection chamber (4) are detachably connected to the inner wall of the mounting frame (2). The collection chamber (4) has a discharge port (13) on one side, and a cover (14) that is detachably connected to the side wall of the collection chamber (4) is provided on one side of the discharge port (13). A cleaning plate (12) is provided inside the collection chamber (4), and the cleaning plate (12) is connected to the inner wall of the collection chamber (4) through a horizontal pushing structure.

2. A three-roll plate bending machine according to claim 1, characterized in that The inner walls of the mounting frame (2) are fixedly connected with support rods (6), and the two support rods (6) are provided with insertion slots (9) on the side that is close to each other. The top of both sides of the collection bin (4) are fixedly connected with insertion rods (7) that are compatible with the insertion slots (9).

3. A three-roll plate bending machine according to claim 1, characterized in that The horizontal pushing structure includes a pushing cylinder (16) installed at the bottom center of one side of the collection chamber (4). The output end of the pushing cylinder (16) is connected to the cleaning plate (12). The shape of the collection chamber (4) is an inverted cone.

4. A three-roll plate bending machine according to claim 2, characterized in that One end of the plug rod (7) is fixedly connected to a positioning screw (10), and one end of the support rod (6) is provided with a through hole (8) that communicates with the plug groove (9) and is adapted to the positioning screw (10). One end of the positioning screw (10) is threadedly connected to a positioning nut (11).

5. A three-roll plate bending machine according to claim 3, wherein A U-shaped handle (15) is provided on the top of one side of the collection chamber (4), and one end of each of the two vertical sections of the handle (15) is fixedly connected to the side wall of the collection chamber (4).

6. A three-roll log winding machine according to claim 5, characterized in that Two guide rods (17) are symmetrically arranged on one side of the cleaning plate (12). One end of the guide rod (17) slides through the cleaning plate (12) and connects to the inner wall of the collection chamber (4), and the other end is connected to the other inner wall of the collection chamber (4).