CN114523007B - Plate shearing and bending mechanism without waste - Google Patents
Plate shearing and bending mechanism without waste Download PDFInfo
- Publication number
- CN114523007B CN114523007B CN202210432567.0A CN202210432567A CN114523007B CN 114523007 B CN114523007 B CN 114523007B CN 202210432567 A CN202210432567 A CN 202210432567A CN 114523007 B CN114523007 B CN 114523007B
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- die
- block
- bending
- upper die
- cutter relieving
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
- B21D5/0209—Tools therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
- B21D5/029—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means with shearing devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention provides a scrap-free plate shearing and bending mechanism, which belongs to the technical field of plate bending equipment and comprises a first pressure rod and a main upper die connected with the working end of the first pressure rod, the main upper die is provided with a second pressure rod and a left upper die connected with the working end of the second pressure rod, the bottom of the main upper die is provided with a right upper die, the main upper die also comprises a left lower die vertically matched with the left upper die and a right lower die vertically matched with the right upper die, wherein the left lower die comprises a left fixed die and a left movable die, the right lower die comprises a right fixed die and a right movable die, the right upper die is provided with an upper cutting block, the right fixed die is provided with a lower cutting block, the bottom of the left upper die is provided with a left bending block, the bottom of the right upper die is provided with a right bending block, an upper cutter relieving position is formed between the upper cutting block and the right bending block, the outer side of the lower cutting block is provided with a lower cutter relieving position, and the bottom of the lower cutter relieving position is provided with a limiting block. The invention solves the problem of waste generated in the process of cutting and bending the plate and saves the material cost.
Description
Technical Field
The invention relates to the technical field of plate bending equipment, in particular to a waste-free plate shearing and bending mechanism.
Background
At present, various box bodies are formed by flattening coil materials, cutting the plate materials, bending two ends of the cut plate materials upwards, splicing the bent plate materials into various box bodies, cutting and bending the plate materials are integrated in one mechanism to be finished at present, the cutting and bending mechanism at present is shown in a figure 6 and a figure 7, two upper dies 1a are matched with two lower dies 2a to press the plate materials, a cutter 3a is matched with a die hole 5a on a die 4a to punch the plate materials, the punched waste materials fall from the die hole 5a, the two upper dies 1a and the two lower dies 2a tightly press the plate materials to continuously descend, the die 4a is not moved, so that two upward bends are formed at the cut part of the plate materials, the two upper dies 1a and the two lower dies 2a ascend and finally loosen the plate materials, and the processing is finished.
The processing mode can generate waste materials when the plate materials are cut off every time, and the price of the coil materials is more than three times of that of the waste materials at present, so that the production cost is increased.
Disclosure of Invention
Aiming at the problems, the invention provides a waste-free plate shearing and bending mechanism, which solves the problem of waste generation in the plate shearing and bending process and saves the material cost.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a plate shearing and bending mechanism without waste materials comprises a first pressure rod arranged on an upper machine frame, wherein the working end of the first pressure rod is connected with a main upper die, a second pressure rod is arranged on the main upper die, the working end of the second pressure rod is connected with a left upper die, the bottom of the main upper die is provided with a right upper die, the plate shearing and bending mechanism further comprises a left lower die vertically matched with the left upper die and a right lower die vertically matched with the right upper die, the left lower die comprises a left fixed die arranged on the lower machine frame and a left movable die elastically connected above the left fixed die, the right lower die comprises a right fixed die arranged on the lower machine frame and a right movable die elastically connected above the right fixed die, the downward movable distance of the right movable die is smaller than the downward movable distance of the left movable die, the right upper die is provided with an upper cutting block, and the right fixed die is provided with a lower cutting block matched with the upper cutting block, the plate bending device is characterized in that a left bending block is arranged at the bottom of the upper left die, a right bending block is arranged at the bottom of the upper right die, an upper cutter relieving position is formed between the upper cutter relieving block and the right bending block to allow the lower cutter relieving block to move upwards, a lower cutter relieving position is arranged on the outer side of the lower cutter relieving block to allow the upper cutter relieving block to move downwards, a limiting block is arranged at the bottom of the lower cutter relieving position, the bottom of the upper cutter relieving block is lower than the right bending block, a plate is fed from one side of the lower left die, and the plate is discharged from one side of the lower right die.
Preferably, more than one material pressing rod is arranged on the left upper die and used for pressing the plate materials.
Preferably, the upper cutting block is located at the outer edge of the right upper die, and the left bending block is close to and does not contact the upper cutting block.
Preferably, a plurality of springs are arranged between the bottom of the main upper die and the lower frame and used for enabling the main upper die to reset upwards.
Preferably, the top of the left lower die is flush with the top of the right lower die in a normal state.
Preferably, the lower cutting block is provided with a chamfer at the vertex angle of one side of the lower cutting block close to the right movable die, and the limiting block is provided with a chamfer at the vertex angle of one side of the limiting block close to the left movable die.
The invention has the beneficial effects that:
1. the invention can realize no-waste cutting of the plate and bending of two ends, thereby avoiding waste generation and greatly reducing production cost;
2. the cutting and bending are realized in the same mechanism, so that the occupied area of equipment is reduced;
3. the lower cutting block is skillfully used as a fulcrum for bending the right side of the plate, the plate is pressed to move downwards by the right bending block to achieve the purpose of bending the plate, then the plate is pressed to move downwards by the left bending block, and the limiting block positioned in the lower tool position is used as the fulcrum to achieve the purpose of bending the left plate.
Drawings
Fig. 1 is a perspective view of a shearing and bending mechanism according to the present embodiment;
FIG. 2 is a front view of the shear bending mechanism according to the present embodiment;
FIG. 3 is a cross-sectional view taken along plane A-A of FIG. 2;
FIG. 4 is an enlarged view at A of FIG. 3;
FIG. 5 is an enlarged view at B of FIG. 3;
FIG. 6 is a perspective view of a conventional shear bending mechanism;
fig. 7 is a front view of a conventional shear bending mechanism.
Detailed Description
The technical solution of the present invention is described below with reference to the accompanying drawings and examples.
Referring to fig. 1 to 5, the scrap-free plate shearing and bending mechanism according to the present invention includes a first pressure rod 2 mounted on an upper frame (an upper frame connected to the first pressure rod 2 is not shown in the figures), a working end of the first pressure rod 2 is downward, a working end of the first pressure rod 2 is connected to a main upper die 3, the main upper die 3 can move up and down relative to the upper frame, a second pressure rod 4 is mounted on the main upper die 3, a piston rod of the second pressure rod 4 passes through the main upper die 3, a working end of the second pressure rod 4 is connected to a left upper die 5, the left upper die 5 is disposed on a lower left side of the main upper die 3, a right upper die 6 is mounted on a right side of a bottom of the main upper die 3, a left lower die 7 vertically engaged with the left upper die 5, and a right lower die 8 vertically engaged with the right upper die 6, wherein the left lower die 7 includes a left fixed die 71 mounted on the lower frame 1 and a left movable die 72 elastically connected to an upper portion of the left fixed die 71, the right lower die 8 comprises a right fixed die 81 installed on the lower frame 1 and a right movable die 82 elastically connected above the right fixed die 81, the downward movable distance of the right movable die 82 is smaller than the downward movable distance of the left movable die 72, and the first pressure rod 2 and the second pressure rod 4 are driven by oil cylinders. The top of the left lower die 7 is flush with that of the right lower die 8 in a normal state (namely, in the highest position), so that the plate can smoothly pass through the top of the left lower die when being conveyed. The upper right die 6 is provided with an upper cutting block 9, the right fixed die 81 is provided with a lower cutting block 10 matched with the upper cutting block 9, the lower cutting block 10 is positioned at the left edge of the right fixed die 81 and does not interfere with the up-and-down movement of the right movable die 82, the bottom of the upper left die 5 is provided with a left bending block 11, the bottom of the upper right die 6 is provided with a right bending block 12, an upper cutter relieving position 13 is formed between the upper cutting block 9 and the right bending block 12 and used for the up-and-down movement of the lower cutting block 10, and the outer side of the lower cutting block 10 is provided with a lower cutter relieving position 14 used for the down-and-down movement of the upper cutting block 9 and the lower cutter relieving position 14 between the left movable die 72 and the lower cutting block 10. The bottom of the lower tool position 14 is provided with a limiting block 15, wherein the left bending block 11 is pressed downwards and is close to the lower limiting block 15, and the left bending block and the lower limiting block can be staggered left and right to bend the plate. The bottom of the upper cutting block 9 is lower than the right bending block 12, and the top of the lower cutting block 10 is level with the height of the right lower die 8 after being lifted (under a normal state), so when the right upper die 6 moves downwards, the upper cutting block 9 is matched with the lower cutting block 10 to cut the plate firstly, and then the right bending block 12 is matched with the lower cutting block 10 to bend the plate.
Specifically, more than one material pressing rod 16 is arranged on the upper left die 5 and used for pressing the plate materials, and the plate materials are pressed tightly when being cut or bent, so that the plate materials are prevented from moving, and the processing quality can be ensured.
Specifically, the upper cutting block 9 is located at the outer edge of the upper right die 6, the left bending block 11 is close to and does not contact the upper cutting block 9, the upper cutting block 9 is aligned with the lower cutter relieving position 14, and the limiting block 15 is located in the lower cutter relieving position 14, so that the left bending block 11 can move up and down relative to the limiting block 15, and bending operation is performed.
Specifically, a plurality of springs are arranged between the bottom of the main upper die 3 and the lower frame 1 and used for enabling the main upper die 3 to reset upwards.
Specifically, the lower cutting block 10 is provided with a chamfer at the vertex angle on the side close to the right movable die 82, and the limiting block 15 is provided with a chamfer at the vertex angle on the side close to the left movable die 72.
When the invention works, a plate is fed from one side of the left lower die 7, the top of the left movable die 72 is flush with the top of the right movable die 82, so the plate can be smoothly conveyed, the plate is conveyed to a preset position and stops, the plate is tightly pressed by the material pressing rod 16, the first pressure rod 2 is pressed down to drive the main upper die 3 to be pressed down, at the moment, the piston rod of the second pressure rod 4 is at the highest position, the bottoms of the left bending block 11 and the right bending block 12 are both higher than the bottom of the upper cutting block 9, so the upper cutting block 9 is firstly pressed to the plate, the upper cutting block 9 is right opposite to the lower cutter position 14 and can enter the lower cutter position 14, so the upper cutting block 9 is matched with the lower cutting block 10 to cut the plate, the first pressure rod 2 continues to press the right side of the plate, the left side of the right bending block 12 is aligned with the left side of the right movable die 82, the right movable die 82 is close to the left side and does not contact with the right side of the lower cutting block 10, so the right bending block 12 presses the plate and moves down together with the right movable die 82, thus, the right bending block 12 is matched with the lower cutting block 10 to bend the left edge of the right plate upwards. When the right movable die 82 moves to the lowest position, the plate material below the upper cutting block 9 does not contact the limiting block 15, the left bending block 11 presses the left movable die 72 to move downwards but does not move to the lowest position, at the moment, the first pressure rod 2 starts to drive the main upper die 3 to move upwards, the second pressure rod 4 drives the left bending block 11 to move downwards, the speed of the second pressure rod 4 is greater than that of the first pressure rod 2, therefore, the left bending block 11 drives the plate material on the left side to move downwards relative to the limiting block 15, the left bending block 11 is staggered up and down relative to the limiting block 15, the purpose of bending the plate material is achieved, the right edge of the plate material on the left side is bent upwards, the second pressure rod 4 is reset upwards to the highest position quickly after bending, the plate material on the left side and the right side finally return to be flush, the plate material on the left side continues to be pushed to the right, and the plate material is discharged from one side of the right lower die 8. By the processing in the mode, the cutting-off without waste materials and the upward bending of two ends are achieved.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (6)
1. The utility model provides a no waste material's panel is cut off mechanism of bending which characterized in that: the device comprises a first pressure rod arranged on an upper machine frame, wherein the working end of the first pressure rod is connected with a main upper die, a second pressure rod is arranged on the main upper die, the working end of the second pressure rod is connected with a left upper die, the bottom of the main upper die is provided with a right upper die, the main upper die also comprises a left lower die vertically matched with the left upper die and a right lower die vertically matched with the right upper die, the left lower die comprises a left fixed die arranged on the lower machine frame and a left movable die elastically connected above the left fixed die, the right lower die comprises a right fixed die arranged on the lower machine frame and a right movable die elastically connected above the right fixed die, the downward movable distance of the right movable die is smaller than the downward movable distance of the left movable die, the right upper die is provided with an upper cutting block, the right fixed die is provided with a lower cutting block matched with the upper cutting block, and the bottom of the left upper die is provided with a left bending block, the plate bending device is characterized in that a right bending block is arranged at the bottom of the upper right die, an upper cutter relieving position is formed between the upper cutter relieving block and the right bending block to enable the lower cutter relieving block to move upwards, a lower cutter relieving position is arranged on the outer side of the lower cutter relieving block to enable the upper cutter relieving block to move downwards, a limiting block is arranged at the bottom of the lower cutter relieving position, the bottom of the upper cutter relieving block is lower than the right bending block, a plate is fed from one side of the lower left die and discharged from one side of the lower right die.
2. The scrap-free plate shearing and bending mechanism according to claim 1, wherein: more than one material pressing rod is arranged on the left upper die and used for pressing the plate materials.
3. The scrap-free plate shearing and bending mechanism according to claim 1, wherein: the upper cutting block is positioned on the outer edge of the right upper die, and the left bending block is close to and does not contact the upper cutting block.
4. The scrap-free plate shearing and bending mechanism according to claim 1, wherein: and a plurality of springs are arranged between the bottom of the main upper die and the lower frame and are used for upward resetting of the main upper die.
5. The scrap-free plate shearing and bending mechanism according to claim 1, wherein: the top of the left lower die is flush with the top of the right lower die in a normal state.
6. The scrap-free plate shearing and bending mechanism according to claim 1, wherein: and the lower cutting block is provided with a chamfer at the vertex angle of one side of the right movable die, and the limiting block is provided with a chamfer at the vertex angle of one side of the left movable die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210432567.0A CN114523007B (en) | 2022-04-24 | 2022-04-24 | Plate shearing and bending mechanism without waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210432567.0A CN114523007B (en) | 2022-04-24 | 2022-04-24 | Plate shearing and bending mechanism without waste |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114523007A CN114523007A (en) | 2022-05-24 |
| CN114523007B true CN114523007B (en) | 2022-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210432567.0A Active CN114523007B (en) | 2022-04-24 | 2022-04-24 | Plate shearing and bending mechanism without waste |
Country Status (1)
| Country | Link |
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| CN (1) | CN114523007B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001025829A (en) * | 1999-07-12 | 2001-01-30 | Matsushita Electric Ind Co Ltd | Press die |
| JP5152976B2 (en) * | 2008-03-31 | 2013-02-27 | ダイハツ工業株式会社 | Press mold |
| CN202984362U (en) * | 2012-11-09 | 2013-06-12 | 亿和精密金属制品(深圳)有限公司 | Bi-directional reciprocating bending device |
| CN104985029B (en) * | 2015-07-09 | 2017-05-31 | 佛山新虹机械有限公司 | A kind of new online accurate bending and molding device |
| CN105478540B (en) * | 2016-01-25 | 2018-01-16 | 佛山新虹机械有限公司 | A kind of new online accurate secondary bending and molding device |
| CN108326087A (en) * | 2018-03-15 | 2018-07-27 | 安徽凯贝耐特钣金科技有限公司 | A kind of sheet metal panel bending tool and bending method |
| CN208825251U (en) * | 2018-09-06 | 2019-05-07 | 石家庄金多利专用汽车有限公司 | A kind of automatic bending equipment |
| CN211135051U (en) * | 2019-12-14 | 2020-07-31 | 上海云旗自动化科技有限公司 | L type workpiece cutting and bending machine |
| CN215965823U (en) * | 2021-10-19 | 2022-03-08 | 徐州弘众机械科技有限公司 | Steel sheet is cuted integral type U type card mould of bending suitable for different thickness |
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2022
- 2022-04-24 CN CN202210432567.0A patent/CN114523007B/en active Active
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| CN114523007A (en) | 2022-05-24 |
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Effective date of registration: 20230627 Address after: 528200 D1, Building D, Shizhong Industrial Zone, Xingye North Road, Shishan Town, Nanhai District, Foshan City, Guangdong Province (residence declaration) Patentee after: Guangdong Demas Intelligent Equipment Co.,Ltd. Address before: 528000 one of the B4 plants of "yangtouying" (local name) Industrial Park, Leping village committee, Leping Town, Sanshui District, Foshan City, Guangdong Province Patentee before: Foshan Amada Machinery Technology Co.,Ltd. |
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