Bending mechanism with balanced bending stress

By designing a balance mechanism for balancing blocks and push strips on the bending machine, the problem of unbalanced force when dealing with long workpieces is solved, and the stability of bending quality and the scope of application are expanded.

CN222842914UActive Publication Date: 2025-05-09DONGDUAN MACHINERY (GUANGDONG) CO LTD
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Patent Information

Application Number
CN202421632733.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-10
Publication Date
2025-05-09
Estimated Expiration
2034-07-10

AI Technical Summary

Technical Problem

When the workpiece length is large, existing bending machines are prone to stress imbalance, resulting in unstable bending quality, high rework rate and small application range.

Method used

A bending mechanism for bending stress balance is designed. When the bending mold is rotated, the movement of the balance block and the push bar are used to cooperate with the second driving device to ensure that the bending mold remains balanced during the bending process.

Benefits of technology

It realizes the force balance during the bending process of workpiece, ensures the stability and consistency of bending quality, expands the scope of application of the equipment, and meets the user's use needs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222842914U_ABST
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Abstract

The utility model discloses a bending mechanism with balanced bending stress. The bending mechanism comprises a bending mechanism and a balancing mechanism, the bending mechanism comprises an overturning plate, a bending mold and a first driving device; the balance mechanism comprises a push strip, a balance block and a second driving device, the turnover plate is provided with a movable groove, the movable groove is provided with a first clamping groove, the first clamping groove is located on the lower side of the bending die, the balance block is located on the first clamping groove, the push strip is arranged on the movable groove and provided with a second clamping groove, and the second driving device is connected to the push strip to control the push strip to move on the movable groove. The first clamping groove and the second clamping groove are communicated with each other or separated from each other; thus, when the bending die rotates to bend the workpiece, the balance block is matched with the second driving device to control the pushing strip to move so as to push the balance block on the second clamping groove into the first clamping groove, the bending die keeps balance in the workpiece bending process, the workpiece bending effect is guaranteed, the bending quality is stable and consistent, the use requirement of a user is met, and the bending efficiency is improved. The application range is wide.
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Description

Technical Field

[0001] The utility model relates to the field of workpiece bending technology, in particular to a bending mechanism with balanced bending force. Background Art

[0002] At present, with the development of economy and the continuous improvement of living standards, the fields of sheet metal use are becoming more and more extensive, and sheet metal processed products are also widely used in people's lives, from automobile panels to computer cases, etc., and from network communications to household appliances, the sheet metal structure types are diverse; moreover, the processing and use of sheet metal requires multiple bending and forming of sheet metal according to the needs of the product, the size is not easy to control, and the process is complicated. At the same time, the processing of sheet metal usually uses a bending machine for bending operation. A bending machine is a machine that can bend sheets. Traditional bending machines are manual, with complex machine structures, heavy operations, low production efficiency, long processing time, and high costs, which cannot meet the needs of users.

[0003] Later, an automatic bending machine appeared on the market, which usually includes a positioning machine, a pressing device and a bending device. The plate is placed on the positioning machine, the plate is pressed and fixed by the pressing device, and then the bending requirements of the plate are input, and the plate is bent by the bending device, thereby realizing the automatic processing of the plate; however, the existing bending machine has poor structural design. When the length of the workpiece to be bent is large, the bending device is prone to force imbalance during the bending process of the middle section of the workpiece, resulting in the bending effect of the middle section of the workpiece having an outward convex arc shape, poor bending quality stability, high rework rate, reduced product quality, and a small scope of application.

[0004] Therefore, it is necessary to study a new technical solution to solve the above problems. Utility Model Content

[0005] In view of this, the utility model aims to solve the deficiencies in the prior art, and its main purpose is to provide a bending mechanism with balanced bending force. When the bending die rotates to bend the workpiece, the balancing block cooperates with the second driving device to control the movement of the push bar to push the balancing block on the second slot into the first slot. The bending die maintains balance during the bending process of the workpiece, thereby ensuring the bending effect of the workpiece. The bending quality is stable and consistent, meeting the user's usage needs, and has a wide range of applications.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A bending mechanism with balanced bending force comprises a bending mechanism and a balancing mechanism arranged on the bending mechanism; wherein:

[0008] The bending mechanism includes a flip plate, a bending die and a first driving device, wherein the bending die is arranged at the upper end of the flip plate, the first driving device is connected to the flip plate through a rotating shaft, and the flip plate is controlled by the first driving device to rotate the bending die to perform a bending operation on the workpiece;

[0009] The balancing mechanism is arranged on the flip plate, and the balancing mechanism includes a push bar, a balancing block and a second driving device. The flip plate has a movable groove extending along the length direction of the bending mold, and a plurality of first card slots arranged in a left-right spacing manner are arranged on the inner wall surface of the movable groove close to the bending mold for placing and positioning the balancing block. The upper end of the first card slot passes through the movable groove, and the first card slot is located on the lower side of the bending mold. The balancing block is adapted to be positioned on the first card slot, and the push bar can be movably arranged on the movable groove. The push bar is provided with a second card slot for placing and positioning the balancing block, and the second card slot is located on the lower side of the first card slot. The second driving device is driven and connected to the push bar to control the push bar to move back and forth on the movable groove, and to connect the first card slot and the second card slot to each other or separate from each other.

[0010] As a preferred solution, the upper end of the push bar has a first guiding slope for guiding and pushing the balancing block.

[0011] As a preferred solution, the lower end of the balancing block is provided with a second guiding inclined surface for contacting with the push bar.

[0012] As a preferred solution, the movable groove is extended to the left and right, and two push bars and second drive devices are each provided. The two push bars are arranged on the movable groove in a left and right relative manner, and the two second drive devices are respectively driven and connected to the two push bars. Correspondingly, the balance block, the first slot and the second slot are each provided with a plurality of first slots arranged on the movable groove in a left and right spacing manner, and a plurality of second slots are arranged on the upper end of the push bar in a left and right spacing manner.

[0013] As a preferred solution, the flip plate includes a top seat and a base which are assembled and connected up and down. The bending mold and the balancing mechanism are both arranged on the top seat. The bending mold protrudes from the upper end of the top seat. The base is provided with a rotating arm for connecting to a rotating shaft, and the rotating shaft is connected to the rotating arm.

[0014] As a preferred embodiment, the top seat has a first concave cavity, in which a partition arranged in a left-right spacing manner is provided, the movable groove is formed in the area enclosed by the lower end of the partition and the inner wall of the first concave cavity, the first card groove is formed between two adjacent partitions, and the bending mold is arranged at the upper end of the partition.

[0015] As a preferred solution, a second concave cavity is provided on the base, and reinforcing ribs are provided in the second concave cavity.

[0016] As a preferred solution, the reinforcing rib includes a first reinforcing rib and a second reinforcing rib, the first reinforcing rib is vertically extended, the second reinforcing rib is obliquely extended, and the second reinforcing rib is arranged between two adjacent first reinforcing ribs.

[0017] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical scheme that it mainly adopts the design of the balancing mechanism. When the bending die rotates to bend the workpiece, the balancing block cooperates with the second driving device to control the movement of the push bar to push the balancing block on the second slot into the first slot. The bending die maintains balance during the bending process of the workpiece, thereby ensuring the bending effect of the workpiece. The structural design is ingenious and reasonable, the bending quality is stable and consistent, the use needs of users are met, and the application range is wide.

[0018] Secondly, the setting of the first guiding bevel facilitates the operation of the push bar pushing the balancing block from the second slot into the first slot, thereby ensuring the use effect of the balancing mechanism. At the same time, the setting of the second guiding bevel is conducive to the contact and movement between the balancing block and the push bar, further improving the bending quality of the workpiece and having good usability.

[0019] In addition, the provision of reinforcing ribs improves the overall structural strength of the flip plate, further improves the operational stability of the bending mechanism, and improves usability.

[0020] In order to more clearly illustrate the structural features and functions of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a cross-sectional view of an embodiment of the utility model;

[0022] Figure 2 yes Figure 1 An enlarged schematic diagram of part A is shown.

[0023] Description of the accompanying drawings:

[0024] 10. Bending mechanism 11. Flip plate

[0025] 111, movable slot 112, first card slot

[0026] 113. Top seat 114. Base

[0027] 115. first concave cavity 116. partition

[0028] 117, second cavity 12, bending die

[0029] 13. First driving device 14. Rotating arm

[0030] 15. Reinforcement rib 151. First reinforcement rib

[0031] 152, second reinforcement rib 20, balancing mechanism

[0032] 21. Push bar 211. Second card slot

[0033] 212, first guiding slope 22, balancing block

[0034] 221. A second guiding slope. DETAILED DESCRIPTION

[0035] Please refer to Figure 1 to Figure 2 As shown, it shows the specific structure of an embodiment of the utility model.

[0036] A bending mechanism with balanced bending force includes a bending mechanism 10 and a balancing mechanism 20 disposed on the bending mechanism; wherein:

[0037] The bending mechanism 10 includes a flip plate 11, a bending die 12 and a first driving device 13. The bending die 12 is arranged at the upper end of the flip plate 11. The first driving device 13 is connected to the flip plate 11 through a rotating shaft. The flip plate 11 rotates in conjunction with the bending die 12 under the control of the first driving device 13 to perform a bending operation on the workpiece.

[0038] The balancing mechanism 20 is arranged on the flip plate 11, and the balancing mechanism 20 includes a push bar 21, a balancing block 22, and a second driving device (not shown in the figure). The flip plate 11 has a movable groove 111 extending along the length direction of the bending mold. The inner wall surface of the movable groove 111 close to the bending mold is provided with a plurality of first slots 112 arranged in a left-right spacing manner for the balancing block to be placed and positioned. The upper end of the first slot 112 passes through the movable groove 111, and the first slot 112 is located at the lower side of the bending mold 12. The balancing block 22 is adapted to be positioned on the first slot 112. The push bar 21 is movably arranged on the movable groove 111. The push bar 21 is provided with a second slot 211 for the balancing block to be placed and positioned. The second slot 211 is located at the lower side of the first slot 112. The second driving device is driven and connected to the push bar 21 to control the push bar to reciprocate on the movable groove 111, and the first slot 112 and the second slot 221 are connected to each other or separated from each other.

[0039] When in use, the second driving device controls the push bar to move in the first direction on the movable slot, the second slot moves to the lower end of the first slot, the balancing block on the first slot enters the second slot, and the first driving device controls the bending mold to rotate to perform a bending operation on the workpiece. During the rotation process, the second driving device controls the push bar to move in the second direction to push the balancing block from the second slot into the first slot, and makes the balancing block support the bending mold, thereby realizing that the bending mold is in a balanced state during the bending operation; in this way, through the design of the balancing mechanism, when the bending mold rotates to bend the workpiece, the balancing block is used to cooperate with the second driving device to control the push bar to move to push the balancing block on the second slot into the first slot, and the bending mold maintains balance during the bending process of the workpiece, thereby ensuring the bending effect of the workpiece. The structural design is ingenious and reasonable, the bending quality is stable and consistent, meets the user's usage needs, and has a wide range of applications.

[0040] In this embodiment, the upper end of the push bar 21 has a first guide slope 212 for guiding and pushing the balancing block, and the lower end of the balancing block 22 is provided with a second guide slope 221 for contacting and contacting the push bar. Preferably, the first guide slope 212 is extended obliquely upward from the first direction to the second direction, and the second guide slope 221 is extended obliquely upward from the first direction to the second direction. When the balancing block 22 is positioned in the first slot 112, the second guide slope 221 of the balancing block 22 contacts and positions with the first guide slope 212 on the push bar 21; in this way, the setting of the first guide slope facilitates the operation of the push bar pushing the balancing block from the second slot into the first slot, thereby ensuring the use effect of the balancing mechanism. At the same time, the setting of the second guide slope is conducive to the contact and movement between the balancing block and the push bar, further improving the bending quality of the workpiece and having good usability.

[0041] Preferably, the movable groove 111 is extended to the left and right, and two of the push bars 21 and the second driving device are respectively provided. The two push bars 21 are relatively arranged on the movable groove 111 on the left and right, and the two second driving devices are respectively driven and connected to the two push bars 21. Correspondingly, the balance block 22, the first slot 112 and the second slot 211 are each provided with a plurality of first slots 112 arranged at left and right intervals on the movable groove 111, and a plurality of second slots 211 are arranged at left and right intervals on the upper end of the push bar 21.

[0042] In addition, the flip plate 11 includes a top seat 113 and a base 114 which are assembled and connected in an upper and lower manner. The bending mold 12 and the balancing mechanism 20 are both arranged on the top seat 113. The bending mold 12 is exposed at the upper end of the top seat 113. The base 114 is provided with a rotating arm 14 for connecting with a rotating shaft. The rotating shaft is connected to the rotating arm 14. Specifically, the top seat 113 has a first concave cavity 115. The first concave cavity 115 is provided with a partition 116 arranged in a left-right spacing manner. The movable groove 111 is formed in the area enclosed by the lower end of the partition 116 and the inner wall of the first concave cavity 115. The first slot 112 is formed between two adjacent partitions 116. The bending mold 12 is arranged at the upper end of the partition 116.

[0043] In addition, a second concave cavity 117 is provided on the base 114, and a reinforcing rib 15 is provided in the second concave cavity 117. The reinforcing rib 15 includes a first reinforcing rib 151 and a second reinforcing rib 152. The first reinforcing rib 151 is vertically extended, and the second reinforcing rib 152 is obliquely extended. The second reinforcing rib 152 is arranged between two adjacent first reinforcing ribs 151. In this way, the arrangement of the reinforcing ribs improves the overall structural strength of the flip plate, further improves the stability of the bending mechanism, and has good usability.

[0044] The design focus of the utility model is that it mainly uses the design of a balancing mechanism. When the bending die rotates to bend the workpiece, the balancing block cooperates with the second driving device to control the movement of the push bar to push the balancing block on the second slot into the first slot. The bending die maintains balance during the bending process of the workpiece, thereby ensuring the bending effect of the workpiece. The structural design is ingenious and reasonable, the bending quality is stable and consistent, and the use needs of users are met, and the application range is wide.

[0045] Secondly, the setting of the first guiding bevel facilitates the operation of the push bar pushing the balancing block from the second slot into the first slot, thereby ensuring the use effect of the balancing mechanism. At the same time, the setting of the second guiding bevel is conducive to the contact and movement between the balancing block and the push bar, further improving the bending quality of the workpiece and having good usability.

[0046] In addition, the provision of reinforcing ribs improves the overall structural strength of the flip plate, further improves the operational stability of the bending mechanism, and improves usability.

[0047] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any slight modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A bending mechanism with balanced bending force, characterized in that: It includes a bending mechanism and a balancing mechanism arranged on the bending mechanism; wherein: The bending mechanism includes a flip plate, a bending die and a first driving device, wherein the bending die is arranged at the upper end of the flip plate, the first driving device is connected to the flip plate through a rotating shaft, and the flip plate is controlled by the first driving device to rotate the bending die to perform a bending operation on the workpiece; The balancing mechanism is arranged on the flip plate, and the balancing mechanism includes a push bar, a balancing block and a second driving device. The flip plate has a movable groove extending along the length direction of the bending mold, and a plurality of first card slots arranged in a left-right spacing manner are arranged on the inner wall surface of the movable groove close to the bending mold for placing and positioning the balancing block. The upper end of the first card slot passes through the movable groove, and the first card slot is located on the lower side of the bending mold. The balancing block is adapted to be positioned on the first card slot, and the push bar can be movably arranged on the movable groove. The push bar is provided with a second card slot for placing and positioning the balancing block, and the second card slot is located on the lower side of the first card slot. The second driving device is driven and connected to the push bar to control the push bar to move back and forth on the movable groove, and to connect the first card slot and the second card slot to each other or separate from each other.

2. A bending mechanism with balanced bending force according to claim 1, characterized in that: The upper end of the push bar has a first guiding slope for guiding and pushing the balancing block.

3. A bending mechanism with balanced bending force according to claim 1, characterized in that: The lower end of the balancing block is provided with a second guiding inclined surface for contacting with the push bar.

4. A bending mechanism with balanced bending force according to claim 1, characterized in that: The movable groove is extended to the left and right, and two push bars and second drive devices are each provided. The two push bars are arranged on the movable groove in a left and right relative manner. The two second drive devices are respectively driven and connected to the two push bars. Correspondingly, the balance block, the first slot and the second slot are each provided with a plurality of first slots, which are arranged on the movable groove in a left and right spacing manner, and the second slots are arranged on the upper end of the push bar in a left and right spacing manner.

5. The bending mechanism with balanced bending force according to claim 1, characterized in that: The flip plate includes a top seat and a base which are assembled and connected up and down. The bending mold and the balancing mechanism are both arranged on the top seat. The bending mold protrudes from the upper end of the top seat. A rotating arm for connecting with a rotating shaft is arranged on the base, and the rotating shaft is connected to the rotating arm.

6. A bending mechanism with balanced bending force according to claim 5, characterized in that: The top seat has a first concave cavity, in which a partition arranged in a left-right spacing manner is arranged, the movable groove is formed in the area enclosed by the lower end of the partition and the inner wall of the first concave cavity, the first card groove is formed between two adjacent partitions, and the bending mold is arranged at the upper end of the partition.

7. The bending mechanism with balanced bending force according to claim 5, characterized in that: A second concave cavity is arranged on the base, and a reinforcing rib is arranged in the second concave cavity.

8. A bending mechanism with balanced bending force according to claim 7, characterized in that: The reinforcing ribs include a first reinforcing rib and a second reinforcing rib, wherein the first reinforcing rib is vertically extending, the second reinforcing rib is obliquely extending, and the second reinforcing rib is disposed between two adjacent first reinforcing ribs.