CN108580673B - Split type bending structure of continuous metal mold and bending forming method of split type bending structure - Google Patents
Split type bending structure of continuous metal mold and bending forming method of split type bending structure Download PDFInfo
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- CN108580673B CN108580673B CN201711376564.5A CN201711376564A CN108580673B CN 108580673 B CN108580673 B CN 108580673B CN 201711376564 A CN201711376564 A CN 201711376564A CN 108580673 B CN108580673 B CN 108580673B
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- female die
- forming
- lifting female
- die
- lifting
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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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/04—Movable or exchangeable mountings for tools
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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
- B21D5/01—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention relates to a split type bending structure of a metal die, and provides a bending structure which has simple structure and ingenious conception, the continuous metal die split type bending structure and the bending forming method thereof can adjust and ensure the corner verticality and the flatness of the U-shaped metal stamping forming part, solve the problems that the U-shaped finished part is easy to expand on the side wall and the bottom surface flatness is not enough in the prior art, thereby directly influencing the technical problems of the quality of the assembled product and the like, comprising a forming bending female die and a fillet forming punch head inserted in the forming bending female die, the forming and bending female die comprises a left lifting female die and a right lifting female die, the upper ends of the left lifting female die and the right lifting female die jointly enclose a forming cavity, the corners of the bottom of the forming cavity corresponding to the left lifting female die and the right lifting female die are respectively provided with a straight line forming fillet mutually matched with the fillet forming punch, and a lifting material pushing block is clamped between the left lifting female die and the right lifting female die which correspond to the lower part of the molding cavity.
Description
Technical Field
The invention relates to a split type bending structure of a metal die, in particular to a split type bending structure of a continuous metal die and a bending forming method thereof, wherein the split type bending structure of the metal die is simple in structure, ingenious in conception, adjustable and capable of guaranteeing the corner verticality and the flatness of a U-shaped metal stamping forming part.
Background
The extensive application of five metals stamping workpiece is in each field, including high-end electronic product, like electron device, smart mobile phone accessory, auto-parts etc. stamping workpiece wherein plays important role, and its quality directly influences the quality of equipment product. The hardware stamping part is usually formed by applying external force to a section bar by a press and a die to deform or separate the section bar and the material to obtain a stamping part product with required shape and size, namely, the stamping part product is formed by stamping, stretching and shearing, so that the precision and the quality of the stamping part product are directly determined by the structure and the processing technology of the die. When the existing U-shaped metal stamping forming part is formed and processed, the U-shaped metal stamping forming part is generally directly stamped into a right angle through a female die and a lower blanking die, so that the phenomena of side wall abduction and bottom surface flatness insufficiency of the U-shaped metal stamping forming part are caused, and the quality of an assembled product is directly influenced.
Disclosure of Invention
The invention mainly provides the split type bending structure of the continuous metal die and the bending forming method thereof, which have the advantages of simple structure and ingenious conception, can adjust and ensure the corner verticality and the flatness of the U-shaped metal stamping forming part, and solve the technical problems that in the prior art, the U-shaped finished part is easy to expand on the side wall and the bottom surface flatness is not enough, so that the quality of an assembled product is directly influenced, and the like.
The technical problem of the invention is mainly solved by the following technical scheme: the utility model provides a split type bending structure of continuous metal mold, includes the shaping die of bending and pegs graft the fillet shaping drift in the shaping die of bending, the shaping die of bending includes left lift die and right lift die, and the upper end of left lift die and right lift die encloses jointly into the shaping chamber, is equipped with the sharp shaping fillet of mutually supporting with fillet shaping drift respectively in the shaping chamber bottom corner that left lift die and right lift die correspond, presss from both sides between the left lift die that corresponds below the shaping chamber and the right lift die and is equipped with the lift ejector pad. The forming bending female die is a forming cavity formed by the left lifting female die and the right lifting female die, a lifting pushing block is arranged on the bottom surface of the forming cavity, two ends of the top surface of the lifting pushing block are connected with the longitudinal wall surfaces of the left lifting female die and the right lifting female die through linear forming fillets respectively, during forming processing, the flowing direction of the bottom of a blank piece of a stamping plate can be changed by adjusting the left lifting female die and the right lifting female die, so that the U-shaped metal stamping forming piece meets the requirements on the verticality and the planeness of a corner, the structure is simple, the conception is ingenious, the adjusting and the use are convenient, and the quality of a subsequent assembled product is effectively guaranteed.
Preferably, the left lifting female die and the right lifting female die are symmetrically distributed on the left and right, and the lifting pushing block is clamped between straight line molding fillets of the left lifting female die and the right lifting female die. The left lifting female die and the right lifting female die are symmetrically arranged, so that the U-shaped metal stamping forming part is symmetrically arranged, and the quality of a finished product part is ensured; the lifting material pushing block is connected between the left and right corresponding straight line forming fillets, so that the upper and lower adjustment of the left and right lifting female dies is ensured, the fillet material of the punching plate blank flows to the bottom surface of the U-shaped metal punching forming part corresponding to the lifting material pushing block along the straight line forming fillets, the wall thickness of the U-shaped metal punching forming part is kept uniform while the verticality and the planeness of a corner are adjusted, and the quality of a finished product is further ensured.
Other lifting mechanisms such as hydraulic lifting, longitudinal rod lifting and the like can also be adopted, and preferably, the bottom surfaces of the left lifting female die and the right lifting female die are respectively and mutually provided with an adjusting inclined block which can horizontally slide in and out. The height of the left lifting female die and the height of the right lifting female die are adjusted by adjusting the inclined blocks, and the lifting female die is simple and convenient.
More preferably, the adjusting inclined block comprises a horizontal sliding block horizontally supported on the inner side of the bottom surface of the left lifting female die or the right lifting female die, and the outer side end of the horizontal sliding block extends outwards and upwards to form an inclined sliding block matched with the outer side of the bottom surface of the left lifting female die or the right lifting female die. The left lifting female die and the right lifting female die are kept symmetrically and horizontally supported by the horizontal sliding block, and the lifting conditions of the left lifting female die and the right lifting female die are met by the inclined plane sliding block on the outer side of the horizontal sliding block, so that the inclined block can be adjusted smoothly and freely.
Preferably, the lower templates are respectively arranged outside the left lifting female die and the right lifting female die, the outer side end of the adjusting inclined block is provided with an L-shaped pull rod, and the longitudinal edge of the L-shaped pull rod penetrates through the lower templates and is abutted or screwed on the lower templates through an adjusting screw rod. The adjustment sloping block realizes the in-out adjustment through the matching of the L-shaped pull rod and the adjusting screw rod, and is simple and convenient.
A bending forming method of a split type bending structure of a continuous metal mold comprises the following sequential steps:
1) assembling and forming a bending female die;
2) transversely placing a stamping plate blank between a left lifting female die and a right lifting female die outside the port of the forming cavity;
3) the fillet forming punch downwards punches the punching plate blank into a U-shaped product in the forming cavity;
4) resetting the fillet forming punch;
5) the lifting material pushing block pushes the U-shaped product part upwards to the outside of the forming cavity;
6) the verticality of the opening end face of the U-shaped product relative to the bottom surface and the planeness between the side surfaces of the two opening end faces are detected;
7) if the verticality of the opening end face of one side of the U-shaped product part relative to the bottom surface is insufficient, adjusting the left lifting female die or the right lifting female die of the corresponding side upwards; if the side face of the opening end at one side is lower than that of the opening end at the other side, adjusting the left lifting female die or the right lifting female die at the corresponding side to be upward;
8) and (5) repeatedly checking the perpendicularity of the opening end face of the U-shaped product part relative to the bottom surface and the planeness between the two opening end face side surfaces until the U-shaped product part is qualified, and if the U-shaped product part is not qualified, repeatedly executing the steps 2) to 7).
Through the lift adjustment to left and right lift die, the punching press panel blank fillet material that corresponds the end flows to the bottom along the sharp shaping fillet that corresponds the side promptly to realize the regulation of corner straightness and plane degree of hanging down, ensure the U-shaped metal stamping forming spare wall thickness after the regulation simultaneously again and keep even, guaranteed the quality of finished product spare, think about ingeniously, it is simple and convenient to adjust.
Therefore, the split type bending structure of the continuous metal mold and the bending forming method thereof have the following advantages: the left lifting female die and the right lifting female die form a forming cavity of the forming bending female die, and a lifting material pushing block is arranged between straight line forming fillets on the bottom surface of the forming cavity, so that the flow direction of corner materials at the bottom of a blank of a stamping plate can be changed by lifting of the left lifting female die and the right lifting female die during forming and processing, and the U-shaped metal stamping forming part meets the requirements on corner verticality and flatness; meanwhile, the production efficiency is greatly improved, the subsequent auxiliary workload is reduced, and manpower and material resources are saved.
Description of the drawings:
fig. 1 is a schematic structural view of a split-type bending structure of a continuous metal mold according to the present invention.
The specific implementation mode is as follows:
the technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example 1:
as shown in FIG. 1, the present invention relates to a continuous metal mold split bending structure, which comprises a forming bending female die 2 composed of a left lifting female die 21 and a right lifting female die 22, wherein the left lifting female die 21 and the right lifting female die 22 are symmetrically distributed in a left and right direction, the lower end parts of the left lifting female die 21 and the right lifting female die 22 clamp a lifting material pushing block 5, the upper end parts of the left lifting female die 21 and the right lifting female die 22 and the lifting material pushing block 5 jointly enclose a forming cavity 3, the inner side surfaces of the left lifting female die 21 and the right lifting female die 22 corresponding to the two sides of the lifting material pushing block 5 respectively form a straight line forming fillet 4, the inner side surfaces of the left lifting female die 21 and the right lifting female die 22 are respectively in fillet transition connection with the two ends of the top surface of the lifting material pushing block 5 through the straight line forming fillet 4, fillet forming punches 1 are mutually matched in the forming cavity 3, and adjusting oblique blocks 6 capable of horizontally sliding in and out are symmetrically and under the bottom surfaces of the left lifting female die 21 and the right lifting female die 22, the adjusting inclined block 6 comprises a horizontal sliding block 61 horizontally supported at the inner side of the bottom surface of the left lifting female die 21 or the right lifting female die 22, the outer side end of the horizontal sliding block 61 integrally extends outwards and upwards to form an inclined sliding block 62 matched with the outer side of the bottom surface of the left lifting female die 21 or the right lifting female die 22, an annular lower template 7 is sleeved outside the left lifting female die 21 and the right lifting female die 22, the outer side end of the inclined plane slide block 62 horizontally and outwards integrally extends to form an L-shaped pull rod 8, the outer side end of the transverse edge of the L-shaped pull rod 8 is connected with the inclined plane slide block 62, the lower surface of the transverse edge of the L-shaped pull rod 8 is flush with the bottom surface of the corresponding inclined slide block 62, the longitudinal edge of the L-shaped pull rod 8 passes through the lower template 7 and extends upwards, an adjusting screw 9 is horizontally inserted on the longitudinal edge of the L-shaped pull rod 8, the screwing end of the adjusting screw 9 is screwed on the outer side surface of the lower template 7, and a compression spring is sleeved on an adjusting screw 9 corresponding to the position between the outer side end of the lower template 7 and the longitudinal edge of the L-shaped pull rod 8.
A bending forming method of a split type bending structure of a continuous metal mold comprises the following sequential steps:
1) assembling and molding the bending female die 2;
2) transversely placing the blank of the punching plate between a left lifting female die 21 and a right lifting female die 22 outside the port of the forming cavity 3;
3) the fillet forming punch 1 downwards punches the punching plate blank 10 into a U-shaped product 10 in the forming cavity 3;
4) resetting the fillet forming punch 1;
5) the lifting material pushing block 5 pushes the U-shaped product piece 10 upwards to the outside of the forming cavity (3);
6) the verticality of the opening end surface of the U-shaped product part 10 relative to the bottom surface and the planeness between the side surfaces of the two opening end surfaces are detected;
7) if the verticality of the opening end surface of one side of the U-shaped product part 10 relative to the bottom surface is insufficient, adjusting the left lifting female die 21 or the right lifting female die 22 of the corresponding side upwards; if the side surface of the opening end at one side is lower than that of the opening end at the other side, the left lifting female die 21 or the right lifting female die 22 at the corresponding side is adjusted to be upward;
8) and (3) repeatedly checking the perpendicularity of the opening end face of the U-shaped product part 10 relative to the bottom surface and the planeness between the two opening end face side surfaces until the U-shaped product part is qualified, and repeatedly executing the steps 2) to 7) if the U-shaped product part is unqualified.
Example 2:
the adjusting screw 9 is horizontally screwed on the longitudinal edge of the L-shaped pull rod 8, and the end part of the screwing end of the adjusting screw 9 is abutted on the outer side surface of the lower template 7.
The specific embodiments described herein are merely illustrative of the principles of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (4)
1. The utility model provides a split type bending structure of continuous metal mold, includes that the shaping is bent die (2) and is pegged graft fillet shaping drift (1) in shaping bending die (2), its characterized in that: the forming and bending female die (2) comprises a left lifting female die (21) and a right lifting female die (22), the upper end parts of the left lifting female die (21) and the right lifting female die (22) jointly enclose a forming cavity (3), linear forming fillets (4) matched with the fillet forming punch (1) are respectively arranged at the bottom corners of the forming cavity (3) corresponding to the left lifting female die (21) and the right lifting female die (22), and a lifting pushing block (5) is clamped between the left lifting female die (21) and the right lifting female die (22) corresponding to the lower part of the forming cavity (3); the left lifting female die (21) and the right lifting female die (22) are symmetrically distributed left and right, and the lifting material pushing block (5) is clamped between the straight line forming fillet (4) of the left lifting female die (21) and the right lifting female die (22); through the up-and-down adjustment of the left lifting female die and the right lifting female die, the fillet material of the blank of the stamping plate flows to the bottom surface of the U-shaped metal stamping forming part corresponding to the lifting pushing block along the straight line forming fillet, so that the U-shaped metal stamping forming part meets the requirements of the verticality and the planeness of the corner; and adjusting inclined blocks (6) which can horizontally slide in and out are respectively arranged on the bottom surfaces of the left lifting female die (21) and the right lifting female die (22) in a matched manner.
2. The split-type bending structure of the continuous metal mold according to claim 1, wherein: the adjusting inclined block (6) comprises a horizontal sliding block (61) which is horizontally supported on the inner side of the bottom surface of the left lifting female die (21) or the right lifting female die (22), and the outer side end of the horizontal sliding block (61) extends outwards and upwards to form an inclined sliding block (62) which is matched with the outer side of the bottom surface of the left lifting female die (21) or the right lifting female die (22).
3. The split-type bending structure of the continuous metal mold according to claim 1, wherein: the lower die plate (7) is arranged outside the left lifting female die (21) and the right lifting female die (22) respectively, the L-shaped pull rod (8) is arranged at the outer side end of the adjusting inclined block (6), and the longitudinal edge of the L-shaped pull rod (8) penetrates through the lower die plate (7) and is abutted or screwed on the lower die plate (7) through the adjusting screw rod (9).
4. The bending forming method of the split-type bending structure of the continuous metal mold according to claim 1, characterized in that: the method comprises the following steps:
1) assembling and molding a bending female die (2);
2) transversely placing a stamping plate blank between a left lifting female die (21) and a right lifting female die (22) outside the port of the forming cavity (3);
3) the fillet forming punch head (1) downwards punches the punching plate blank (10) into a U-shaped product piece (10) in the forming cavity (3);
4) resetting the fillet forming punch (1);
5) the lifting material pushing block (5) pushes the U-shaped product piece (10) upwards to the outside of the forming cavity (3);
6) the verticality of the opening end surface of the U-shaped product piece (10) relative to the bottom surface and the planeness between the side surfaces of the two opening end surfaces are detected;
7) if the verticality of the opening end surface of one side of the U-shaped product piece (10) relative to the bottom surface is insufficient, adjusting the left lifting female die (21) or the right lifting female die (22) of the corresponding side upwards; if the side surface of the opening end at one side is lower than that of the opening end at the other side, the left lifting female die (21) or the right lifting female die (22) at the corresponding side is adjusted to be upward;
8) and (3) repeatedly checking the perpendicularity of the opening end face of the U-shaped product piece (10) relative to the bottom surface and the planeness between the two opening end face side surfaces until the product piece is qualified, and if the product piece is not qualified, repeatedly executing the steps 2) to 7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711376564.5A CN108580673B (en) | 2017-12-19 | 2017-12-19 | Split type bending structure of continuous metal mold and bending forming method of split type bending structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711376564.5A CN108580673B (en) | 2017-12-19 | 2017-12-19 | Split type bending structure of continuous metal mold and bending forming method of split type bending structure |
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| CN108580673A CN108580673A (en) | 2018-09-28 |
| CN108580673B true CN108580673B (en) | 2022-01-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2005334967A (en) * | 2004-05-31 | 2005-12-08 | Murata Mach Ltd | Die for press brake |
| CN201333472Y (en) * | 2008-11-21 | 2009-10-28 | 马鞍山市恒兴实业有限公司 | Adjustable electric-pole anchor ear molding device |
| CN101633021A (en) * | 2009-08-11 | 2010-01-27 | 河南省电力公司新乡供电公司 | Hooping cold bending punch forming module |
| CN201455100U (en) * | 2009-07-21 | 2010-05-12 | 四川宁江山川机械有限责任公司 | Insert type bending die structure of shock absorber lining |
| CN201572846U (en) * | 2009-11-12 | 2010-09-08 | 扬州恒佳机械有限公司 | Die opening adjusting mechanism of bending machine |
| CN202461213U (en) * | 2012-02-27 | 2012-10-03 | 安徽中德机床股份有限公司 | Bending machine workbench with deflection compensation |
| CN105234281A (en) * | 2015-10-31 | 2016-01-13 | 重庆煜琨珑冶金材料有限公司 | Bending die with split female dies |
| CN207642143U (en) * | 2017-12-19 | 2018-07-24 | 宁波贝隆精密模塑有限公司 | A kind of split type bending structure of continuous metal mold |
-
2017
- 2017-12-19 CN CN201711376564.5A patent/CN108580673B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005334967A (en) * | 2004-05-31 | 2005-12-08 | Murata Mach Ltd | Die for press brake |
| CN201333472Y (en) * | 2008-11-21 | 2009-10-28 | 马鞍山市恒兴实业有限公司 | Adjustable electric-pole anchor ear molding device |
| CN201455100U (en) * | 2009-07-21 | 2010-05-12 | 四川宁江山川机械有限责任公司 | Insert type bending die structure of shock absorber lining |
| CN101633021A (en) * | 2009-08-11 | 2010-01-27 | 河南省电力公司新乡供电公司 | Hooping cold bending punch forming module |
| CN201572846U (en) * | 2009-11-12 | 2010-09-08 | 扬州恒佳机械有限公司 | Die opening adjusting mechanism of bending machine |
| CN202461213U (en) * | 2012-02-27 | 2012-10-03 | 安徽中德机床股份有限公司 | Bending machine workbench with deflection compensation |
| CN105234281A (en) * | 2015-10-31 | 2016-01-13 | 重庆煜琨珑冶金材料有限公司 | Bending die with split female dies |
| CN207642143U (en) * | 2017-12-19 | 2018-07-24 | 宁波贝隆精密模塑有限公司 | A kind of split type bending structure of continuous metal mold |
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Address after: 315400 No.184, Shunyu West Road, Yuyao City, Ningbo City, Zhejiang Province Applicant after: Bellon Precision Technology Co.,Ltd. Address before: 315400 No.184, Shunyu West Road, Yuyao City, Ningbo City, Zhejiang Province Applicant before: Ningbo Beilong Precision Molding Co.,Ltd. Address after: 315400 No.184, Shunyu West Road, Yuyao City, Ningbo City, Zhejiang Province Applicant after: Ningbo Beilong Precision Molding Co.,Ltd. Address before: 315400 C20 building, Far East Industrial City, Ningbo, Zhejiang, Yuyao Applicant before: NINGBO BEILONG PRECISION MOLDING Co.,Ltd. |
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