Feeding device of numerical control bending machine

The cylinder-driven feeding device enables automated positioning and precise conveying of sheet metal, solving the problems of operational complexity and insufficient precision caused by variations in sheet metal thickness and size in existing technologies, thereby improving production efficiency and safety.

CN223932451UActive Publication Date: 2026-02-24GUOWEI PRECISION MFG TECH (WUXI) CO LTD
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Patent Information

Application Number
CN202520600213.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-02-24
Estimated Expiration
2035-04-01

AI Technical Summary

Technical Problem

The existing bending machine feeding device requires manual adjustment when dealing with different sheet thicknesses and sizes, which leads to complicated operation, low efficiency, and low conveying accuracy, affecting product quality and safety.

Method used

The cylinder-driven feeding device includes a conveyor table, a conveyor roller mechanism, a feeding plate, a pushing assembly, and a pushing plate. Through the coordinated work of the cylinders, it achieves automated positioning and precise conveying of the sheet material, adapting to sheet materials of different thicknesses and sizes.

Benefits of technology

It improves production efficiency and automation, ensures the stability and accuracy of sheet material conveying, reduces manual intervention, and enhances product quality and production safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a feeding device of a numerical control bending machine, which relates to the technical field of feeding devices and comprises a conveying table, a conveying roller mechanism is mounted at the top end of one side of the conveying table, a conveying frame penetrates through two ends of the conveying roller mechanism which is butted with the other side of the conveying table, and the other end of the conveying frame is butted with a bending part of the bending machine. A first air cylinder is installed at the top end of the conveying frame, the output end of the first air cylinder is fixed towards a feeding plate from the bottom to the inner space of the conveying frame, a second air cylinder is installed at the top end of the feeding plate, and the output end of the second air cylinder faces the conveying roller mechanism and is provided with a pushing assembly. The height of the supporting plate is adjusted through the third air cylinder, the device can adapt to plates with different thicknesses, height adjustment of the whole device is not needed, and therefore the operation process is simplified, the production efficiency is improved, and the stability and consistency of the plates in the conveying process are guaranteed through the design.
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Description

TECHNICAL FIELD

[0001] The utility model relates to feeding device technical field especially relates to a numerical control bending machine feeding device. BACKGROUND

[0002] Most bending machine feeding devices on the market at present rely on conveying platform (conveying roller) to convey plate materials, although these devices improve the efficiency of bending operation to a certain extent, but there are still some deficiencies in actual use:

[0003] Firstly, with the change of plate material thickness, the conveying height of plate material will be different, which means that the height of the overall device needs to be adjusted, not only increasing the complexity of operation, but also reducing the production efficiency;

[0004] Secondly, the sizes of plate materials are different, when it is needed to accurately position plate materials of different sizes on a flat surface, manual adjustment is usually needed, which greatly limits the degree of automation, reduces the operation convenience and work efficiency;

[0005] Finally, the precision of conveying roller is generally not high, which cannot provide stable stopping and pushing effect, which not only affects the work efficiency, but also may cause plate material position deviation or damage in the bending process, thereby affecting product quality and production safety;

[0006] Based on the above defects, the prior art still has room for improvement in material conveying and accurate positioning, therefore, we propose a numerical control bending machine feeding device. CONTENT OF THE UTILITY MODEL

[0007] The utility model aims at solving the shortcomings in the prior art, improving production efficiency, enhancing the degree of automation and ensuring the precision of plate material conveying.

[0008] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0009] A numerical control bending machine feeding device, including conveying table, conveying roller mechanism is installed on one side top end of the conveying table, the other side is connected with the both ends of conveying roller mechanism and is equipped with conveying frame, the other end of the conveying frame is opposite to the bending part of bending machine, the top end of the conveying frame is installed with first cylinder, the output end of the first cylinder is fixed to the feeding plate inside space of the conveying frame towards the bottom, the top end of the feeding plate is installed with second cylinder, the output end of the second cylinder is equipped with pushing assembly and is installed towards the conveying roller mechanism, the bottom of the conveying table is installed with third cylinder, the output end of the third cylinder is fixed to the support plate inside space of the conveying frame towards the top end, one side of the support plate is installed with fourth cylinder, the output end of the fourth cylinder is equipped with push plate towards the other side of the support plate.

[0010] Further, the first and third cylinders are arranged in a rectangular pattern, and the second and fourth cylinders are arranged in a rectangular pattern.

[0011] Further, the conveying roller mechanism is arranged in a row and driven by a motor.

[0012] Further, the pushing assembly includes a pushing plate, a connecting rod, and a connecting piece, the pushing plate is slidably connected to the bottom of the feeding plate through a first sliding structure, the connecting piece connects the output end of the second cylinder and the connecting rod, and the other end of the connecting rod is connected to the pushing plate.

[0013] Further, the side of the supporting plate is provided with a side plate for mounting the fourth cylinder.

[0014] Further, the pushing plate is slidably connected to the top end of the supporting plate through a second sliding structure.

[0015] Further, the first sliding structure and the second sliding structure are both composed of a sliding groove and a sliding block.

[0016] Further, the top end of the conveying roller mechanism is horizontally arranged between the supporting plate and the pushing plate, the highest point of the extension of the supporting plate is arranged on the same horizontal line as the conveying roller mechanism through the third cylinder, and the distance between the supporting plate and the pushing plate is adjusted through the extension of the first cylinder.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1. The height of the supporting plate is adjusted by the third cylinder, which can adapt to different thicknesses of the plate, without the need to adjust the height of the entire device, thereby simplifying the operation process and improving the production efficiency, and the design ensures the stability and consistency of the plate during the conveying process.

[0019] 2. The first cylinder and the second cylinder in the device work cooperatively, and the feeding plate and the pushing assembly can accurately position and push the plate to the bending area, the automatic positioning process reduces manual intervention, improves the accuracy and efficiency of positioning, and enhances the overall automation level.

[0020] 3. The pushing assembly driven by the second cylinder and the pushing plate driven by the fourth cylinder can effectively handle plates of various sizes, ensuring that they are accurately and smoothly fed into the bending area, and the design enhances the versatility and flexibility of the device.

[0021] 4. The use of cylinder driving instead of traditional conveying roller mechanisms for accurate control and stopping can significantly improve the conveying accuracy, reduce the deviation or damage of the plate during the conveying process, and thus ensure product quality and production safety.

[0022] 5. Based on the above points, and by reducing the need for manual adjustments and improving the conveying and positioning efficiency of the sheet metal through automation and precise control, this device can significantly improve the overall efficiency of bending operations and reduce production costs.

[0023] In summary, this CNC bending machine feeding device effectively solves the shortcomings of existing technologies, improves production efficiency, automation level and sheet material conveying accuracy, and brings significant advantages and improvements to bending operations, making it practical. Attached Figure Description

[0024] Figure 1 A schematic diagram of the overall structure of a feeding device for a CNC bending machine provided by this utility model;

[0025] Figure 2 A schematic diagram of the feeding plate structure of a CNC bending machine feeding device provided by this utility model;

[0026] Figure 3 A schematic diagram of the support plate structure of the feeding device for a CNC bending machine provided by this utility model;

[0027] Figure 4 A side anatomical diagram of the conveyor frame of a feeding device for a CNC bending machine provided by this utility model;

[0028] Figure 5 A schematic diagram of the first sliding structure of a feeding device for a CNC bending machine provided by this utility model.

[0029] Legend: 1. Conveyor table; 2. Conveyor roller mechanism; 3. Conveyor frame; 4. First cylinder; 5. Feeding plate; 6. Second cylinder; 7. Pushing assembly; 71. Pushing plate; 72. Connecting rod; 73. Connecting piece; 74. First sliding structure; 8. Third cylinder; 9. Support plate; 91. Side plate; 10. Fourth cylinder; 11. Pushing plate; 12. Second sliding structure. Detailed Implementation

[0030] The technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the embodiments of this utility model.

[0031] Example 1

[0032] like Figures 1 to 5 As shown, this utility model discloses an innovative feeding device for a CNC bending machine. The core components of the device include a stable conveyor table 1, with a conveyor roller mechanism 2 integrated at the top of one side for smoothly conveying materials. The other side of the conveyor table 1 is seamlessly connected to a conveyor frame 3, which passes through both ends of the conveyor roller mechanism 2 and extends to the bending part of the bending machine, ensuring accurate material connection.

[0033] At the top of the conveyor frame 3, we installed the first cylinder 4, whose output end is precisely fixed to the feeding plate 5 inside the conveyor frame 3. Above the feeding plate 5, the second cylinder 6 has its output end facing the conveyor roller mechanism 2 and is equipped with a pushing component 7 for pushing materials to a predetermined position.

[0034] In addition, the bottom of the conveyor table 1 is equipped with a third cylinder 8, the output end of which points directly to the support plate 9 inside the conveyor frame 3. On one side of the support plate 9, the fourth cylinder 10 has its output end facing the other side of the support plate 9 and is equipped with a push plate 11 for fine-tuning the position of the material.

[0035] Example 2: Similarly Figures 1 to 5 As shown, based on Example 1, we have optimized the cylinder layout: the number of the first cylinder 4 and the third cylinder 8 is not less than four, and they are arranged in a rectangular array to ensure the stability and accuracy of the device when conveying and supporting materials. The number of the second cylinder 6 and the fourth cylinder 10 is not less than two, so as to meet the pushing and fine-tuning operations under different production needs.

[0036] The conveying roller mechanism 2 consists of arranged conveying rollers and is driven by a motor to realize continuous and stable material conveying. The pushing component 7 consists of a push plate 71, a connecting rod 72 and a connecting piece 73. It slides on the bottom of the feeding plate 5 through the first sliding structure 74 to ensure the accuracy and stability of pushing. The connecting piece 73 connects the output end of the second cylinder 6 and the connecting rod 72, while the connecting rod 72 is tightly connected to the other end of the push plate 71.

[0037] The side of the support plate 9 is provided with a side plate 91, which provides a stable mounting base for the fourth cylinder 10. The push plate 11 slides on the top of the support plate 9 through the second sliding structure 12, realizing fine adjustment of the material position. The first sliding structure 74 and the second sliding structure 12 are both composed of a groove and a slider, ensuring the smoothness and accuracy of the sliding.

[0038] The top of the conveying roller mechanism 2 is level with the support plate 9 and the push plate 71, ensuring the stability of the material during the conveying process. The support plate 9, through the extension of the third cylinder 8, has its highest point at the same level as the conveying roller mechanism 2, achieving seamless material connection. The distance between the push plate 71 and the support plate 9 can be flexibly adjusted by the extension and retraction of the first cylinder 4 to accommodate materials of different thicknesses.

[0039] When using the CNC bending machine feeding device of this utility model, its working process is as follows: First, all cylinders (first cylinder 4, second cylinder 6, third cylinder 8 and fourth cylinder 10) are in the initial state, that is, not extended; place the plate to be processed at the starting end of the conveying roller mechanism 2 to ensure that the plate is stable and in the correct position.

[0040] The motor of the conveying roller mechanism 2 is started, the motor drives the conveying roller to rotate, so that the plate is conveyed from the starting end to the lower side of the conveying frame 3, when the plate reaches the lower side of the conveying frame 3, the third cylinder 8 starts to work, the output end of the third cylinder 8 extends upwards, drives the supporting plate 9 to rise, until the supporting plate 9 is at the same horizontal line with the top end of the conveying roller mechanism 2, at this time, the plate is supported on the supporting plate 9, after the plate is supported on the supporting plate 9, the fourth cylinder 10 starts to work, the output end of the fourth cylinder 10 drives the pushing plate 11 to move towards the plate, until the pushing plate 11 contacts with the plate and pushes the plate to the predetermined position, this step ensures the position accuracy of the plate before entering the bending part of the bending machine, when the plate is pushed, the first cylinder 4 starts to work, the output end of the first cylinder 4 extends downwards, drives the feeding plate 5 to descend, until the top end of the feeding plate 5 contacts with the outer side of the plate, at this time, the feeding plate 5 provides a stable supporting surface for the plate, then the second cylinder 6 starts to work, the output end of the second cylinder 6 drives the pushing plate 71 to slide at the bottom of the feeding plate 5 through the connecting piece 73 and the connecting rod 72, so as to push the plate from the supporting plate 9 to the bending part of the bending machine, during the pushing process, the first sliding structure 74 (composed of a sliding groove and a sliding block) ensures the stable sliding of the pushing plate 71.

[0041] When the plate is pushed to the bending part of the bending machine, the bending machine will bend the plate according to the preset program, after the plate is bent, the cylinders start to reset, that is, the first cylinder 4 drives the feeding plate 5 to rise, the second cylinder 6 drives the pushing plate 71 to return to the initial position, the third cylinder 8 drives the supporting plate 9 to descend, the fourth cylinder 10 drives the pushing plate 11 to return to the initial position, then the conveying roller mechanism 2 continues to convey the next plate to the lower side of the conveying frame 3, and the above steps are repeated to carry out the next feeding and bending process.

[0042] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A feeding device for a CNC bending machine, comprising a conveyor table (1), wherein a conveyor roller mechanism (2) is installed at the top of one side of the conveyor table (1), and a conveyor frame (3) is provided through both ends of the conveyor roller mechanism (2) on the other side, and the other end of the conveyor frame (3) is connected to the bending part of the bending machine, characterized in that: A first cylinder (4) is installed at the top of the conveyor frame (3). The output end of the first cylinder (4) is fixed to the feeding plate (5) from the bottom to the internal space of the conveyor frame (3). A second cylinder (6) is installed at the top of the feeding plate (5). The output end of the second cylinder (6) is facing the conveyor roller mechanism (2) and is equipped with a pushing component (7). A third cylinder (8) is installed at the bottom of the conveyor table (1). The output end of the third cylinder (8) is fixed to the support plate (9) from the top to the internal space of the conveyor frame (3). A fourth cylinder (10) is installed on one side of the support plate (9). The output end of the fourth cylinder (10) is facing the support plate (9) and the other side is provided with a push plate (11).

2. The feeding device for a CNC bending machine according to claim 1, characterized in that: The first cylinder (4) and the third cylinder (8) are arranged in a rectangular pattern with no fewer than four cylinders, and the second cylinder (6) and the fourth cylinder (10) are arranged in a rectangular pattern with no fewer than two cylinders.

3. The feeding device for a CNC bending machine according to claim 1, characterized in that: The conveying roller mechanism (2) consists of conveying rollers arranged in a row and driven by a motor.

4. The feeding device for a CNC bending machine according to claim 1, characterized in that: The feeding assembly (7) includes a push plate (71), a connecting rod (72) and a connector (73). The push plate (71) is slidably connected to the bottom of the feeding plate (5) through a first sliding structure (74). The connector (73) connects the output end of the second cylinder (6) and the connecting rod (72). The connecting rod (72) connects to the other end of the push plate (71).

5. The feeding device for a CNC bending machine according to claim 1, characterized in that: The support plate (9) has a side plate (91) on its side for mounting the fourth cylinder (10).

6. The feeding device for a CNC bending machine according to claim 4, characterized in that: The push plate (11) is slidably connected to the top of the support plate (9) via the second sliding structure (12).

7. The feeding device for a CNC bending machine according to claim 6, characterized in that: Both the first sliding structure (74) and the second sliding structure (12) are composed of a groove and a slider.

8. The feeding device for a CNC bending machine according to claim 1, characterized in that: The top of the conveying roller mechanism (2) is horizontal between the support plate (9) and the push plate (71). The support plate (9) is on the same horizontal line as the conveying roller mechanism (2) through the highest point of the extension of the third cylinder (8). The distance between the push plate (71) and the support plate (9) is adjusted by the extension and retraction of the first cylinder (4).