CN113751596A - Mold structure for high-speed rail skin stretching, cracking and piercing - Google Patents
Mold structure for high-speed rail skin stretching, cracking and piercing Download PDFInfo
- Publication number
- CN113751596A CN113751596A CN202111161609.3A CN202111161609A CN113751596A CN 113751596 A CN113751596 A CN 113751596A CN 202111161609 A CN202111161609 A CN 202111161609A CN 113751596 A CN113751596 A CN 113751596A
- Authority
- CN
- China
- Prior art keywords
- die
- strip
- speed rail
- mould
- puncture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005336 cracking Methods 0.000 title claims abstract description 18
- 238000003825 pressing Methods 0.000 claims abstract description 32
- 238000005520 cutting process Methods 0.000 claims abstract description 23
- 230000000295 complement effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 32
- 239000013589 supplement Substances 0.000 abstract description 21
- 239000000463 material Substances 0.000 abstract description 12
- 238000003466 welding Methods 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 description 4
- 230000001502 supplementing effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009469 supplementation Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
- B21D45/04—Ejecting devices interrelated with motion of tool
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a die structure for stretching, cracking and puncturing a high-speed rail skin, which belongs to the technical field of stretching and puncturing and comprises a fixed die and a movable die, wherein a prefabricated die is arranged at the center of the inner part of the fixed die, a top pressure plate is arranged in the movable die, an accommodating cavity is formed in the lower surface of the movable die, a telescopic rod is arranged in the accommodating cavity, the output end of the telescopic rod is connected with a frame pressing plate, and a puncturing knife is arranged at the center of the lower surface of the frame pressing plate. The flat blank is formed into a space shape through plastic deformation of materials through the fixed die and the movable die, the high-speed rail skin is stretched and formed, a section of integral skin can be formed through the method, therefore, welding points of the high-speed rail skin are reduced, the process supplement position on the high-speed rail skin can be punctured through the arranged puncture knife and the puncture groove, the process supplement part is etched through the arranged frame pressing plate and the frame groove, the process supplement part can be shown on the skin, and later repair and cutting are facilitated.
Description
Technical Field
The invention belongs to the technical field of stretching puncture, and particularly relates to a mold structure for stretching, cracking and puncturing of a high-speed rail skin.
Background
In the high-speed rail covering process, in order to avoid local cracking of a product area of a workpiece caused by untimely material supplement, a puncture knife structure needs to be arranged at a process supplement part of the covering part, and a corresponding process supplement area on the workpiece is actively punctured when a preset distance is kept before a mould is closed, so that the material flows to a position which is easy to crack through the process supplement area.
The existing puncturing process only punctures the process supplement part, but the process supplement part is mostly a window or an opening part of the covering part, the process supplement part needs to be trimmed and cut at the later stage, the area of the supplement part is difficult to see only through puncturing, and the positioning is very troublesome when the process supplement part is trimmed and cut at the later stage.
Disclosure of Invention
Aiming at the problems that the range of a process supplement part cannot be displayed when the existing high-speed rail skin is stretched and punctured and the process supplement part needs to be repositioned when the process supplement part is trimmed and cut at the later stage, the invention provides the die structure for the high-speed rail skin stretching, cracking and puncturing.
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides a mould structure for tensile fracture puncture of high-speed railway covering, includes fixed mould and movable mould, the inside center department of fixed mould is equipped with prefabricated mould, the inside of movable mould is equipped with the roof pressure board, and the lower surface of roof pressure board has seted up the arc wall, the arc wall of fox roof pressure board and the upper surface of prefabricated mould are complementary.
Preferably, both sides of prefabricated mould are equipped with cuts the strip, and the upper surface and the prefabricated mould of cutting the strip are on the coplanar, the one end that cuts the strip and decide the mould and contact is equipped with the extension piece, and decides the inner wall of mould and correspond the extension piece and seted up the catching groove.
Preferably, the lower surface of the fixed die is provided with a lower template, the lower surface of the cutting strip is connected with a telescopic strip, the lower end of the telescopic strip is inserted into the lower template, the lower end of the telescopic strip is sleeved with a spring, and a limiting block is welded at the contact end of the upper surface of the telescopic strip and the spring.
Preferably, the lower surface of the movable mold is provided with an accommodating cavity, a telescopic rod is installed in the accommodating cavity, the output end of the telescopic rod is connected with a frame pressing plate, and a puncture knife is arranged at the center of the lower surface of the frame pressing plate.
Preferably, the center of the upper surface of the cutting strip is provided with a frame groove corresponding to the frame pressing plate, and the center of the frame groove is provided with a puncturing groove.
Preferably, the puncture knife and the puncture groove are arranged in a triangular structure, and the frame pressing plate and the frame groove are complementary.
Preferably, the upper surface of the movable mould is provided with an upper mould plate, a telescopic column is arranged between the upper mould plate and the lower mould plate for supporting, the center of the upper surface of the upper mould plate is provided with an air cylinder, the output end of the air cylinder is provided with a connecting rod, and the connecting rod is connected with the upper surface of the top pressing plate.
Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
(1) in the invention, a flat blank is formed into a space shape through plastic deformation of materials by a fixed die and a movable die, so that the stretching forming of a high-speed rail skin is realized, a section of integral skin can be formed through the method, thereby reducing welding points of the high-speed rail skin, bringing convenience for subsequent processing procedures such as polishing, in order to enable the skin to be well attached to a high-speed rail frame structure, a prefabricated die is preset according to the structure of the high-speed rail frame before a flat machine is stretched, the flat plate is attached to the prefabricated die in the stretching process, so that the skin and the prefabricated die are the same in shape after the stretching is finished, the prefabricated die and the high-speed rail frame are the same in shape, the skin is further well attached to the high-speed rail frame, in order to simplify the production process and eliminate the complexity of cutting the flat plate before the stretching, the flat plate can be directly cut by using the pressing force when the movable die is contacted with a cutting strip through a stamping mode, so that the part of the flat plate positioned in the movable mould is the area of the skin.
(2) According to the invention, a discharging structure is formed by the cutting strip, the telescopic strip and the spring, so that the defect that the formed skin falls on the fixed die and is difficult to take out is avoided, and the specific operation mode is as follows: after the covering is stretched and is accomplished, the movable mould rises, and the expansion strip that cuts a lower surface receives spring bounce to influence the upward movement, further makes the lower surface that cuts a contact movable mould all the time of strip, makes fashioned covering be taken out in the movable mould, and constitutes a discharge mechanism through cylinder, connecting rod and roof pressure board, and the shaping covering that will be located the movable mould is ejecting, accomplishes the ejection of compact, and its concrete implementation does: after the movable mold continues to rise, the cut-off strip can lose upward bounce support due to the length of the spring, so that the cut-off strip rises to the initial position and is kept different, the upper surface of the cut-off strip is separated from the lower surface of the movable mold, the cylinder pushes the top pressure plate to descend through the telescopic rod, the top pressure plate further pushes the formed skin driven mold to drop, and discharging is completed.
(3) According to the invention, the process supplement position on the high-speed rail skin can be punctured through the arranged puncture knife and the puncture groove, so that the material smoothly flows from the process supplement area to a place with more material, the area which is easy to crack is supplemented with the material, the cracking of a workpiece is solved, meanwhile, the process supplement area is mostly the window position of the high-speed rail, the process supplement in the range needs to be repaired and cut in the later period, and in order to prevent excessive repair and cutting or incomplete repair and cutting, the process supplement part is etched through the arranged frame pressing plate and the frame groove, so that the process supplement part can be shown on the skin, and the later repair and cutting are convenient.
Drawings
FIG. 1 is a structural schematic diagram of a mold for high-speed rail skin stretch cracking puncture according to the present invention;
FIG. 2 is a structural diagram of a stationary mold according to the present invention;
FIG. 3 is a schematic cross-sectional view of the apparatus of the present invention;
FIG. 4 is an enlarged view of the lancing mechanism according to the present invention.
The corresponding relationship between the reference numbers of the figures and the names of the components in the figures is as follows: 1. a cylinder; 2. mounting a template; 3. a telescopic column; 4. a lower template; 5. fixing a mold; 6. moving the mold; 7. cutting off the strips; 8. a telescopic bar; 9. prefabricating a mould; 10. a limiting block; 11. a spring; 12. a top pressing plate; 13. a connecting rod; 14. a telescopic rod; 15. an accommodating chamber; 16. pressing a frame plate; 17. a frame groove; 18. puncturing the groove; 19. a puncture knife.
Detailed Description
The invention is further described below in connection with specific embodiments of the invention.
The die structure for stretching, cracking and puncturing the high-speed rail skin provided in fig. 1, 2 and 3 comprises a fixed die 5, wherein a prefabricated die 9 is arranged at the center of the inside of the fixed die 5, cutting strips 7 are arranged on two sides of the prefabricated die 9, the upper surface of each cutting strip 7 is on the same plane as the prefabricated die 9, a movable die 6 is arranged above the fixed die 5, a top pressure plate 12 is arranged inside the movable die 6, the lower surface of the top pressure plate 12 is provided with an arc-shaped groove, the arc-shaped groove of the top pressure plate 12 is complementary with the upper surface of the prefabricated die 9, the high-speed rail skin is placed on the fixed die 5 after being cut, when the movable die 6 descends, the edge of the lower surface of the movable die 6 contacts with the cutting strips 7 to further cut the skin, so that the cut part has the same shape as the space in the fixed die 5, and when the movable die 6 continues to descend, the cutting strips 7 are pressed to descend, so that the movable die 6 descends into the fixed die 5, so that the skin contacts the upper surface of the prefabricated mold 9, the skin is stretched and extended by utilizing the interior of the movable mold 6, and the skin is attached to the outer surface of the prefabricated mold 9, so that the skin is extended.
In the figures 1, 2 and 3, the lower surface of the fixed die 5 is provided with the lower die plate 4, the lower surface of the cut strip 7 is connected with the telescopic strip 8, the lower end of the telescopic strip 8 is inserted into the lower die plate 4, a section of the telescopic strip 8 positioned inside the lower die plate 4 is sleeved with the spring 11, the contact end of the upper surface of the telescopic strip 8 and the spring 11 is welded with the limit block 10, the end of the cut strip 7, which is contacted with the fixed die 5, is provided with the extension block, the inner wall of the fixed die 5 is provided with the baffle groove corresponding to the extension block, when the movable die 6 descends to contact the cut strip 7, the cut strip 7 is pressed to descend, the telescopic strip 8 on the lower surface of the cut strip 7 compresses the spring 11 through the limit block 10, after the skin is stretched, the movable die 6 ascends, the telescopic strip 8 on the lower surface of the cut strip 7 moves upwards under the influence of the counter-elastic force of the spring 11, so that the cut strip 7 always contacts the lower surface of the movable die 6, thereby prevent that the skin after the stretching from dropping in advance and causing in the fixed mould 5 and being difficult to take out, can carry on spacingly to cuting strip 7 through manger and extension piece in cuting strip 7 rise process, prevent to cut strip 7 because bounce dashes out for it is higher than prefabricated mould 9 upper surface to cut strip 7 upper surface.
In fig. 3, the lower surface of the movable mold 6 is provided with an accommodating cavity 15, an expansion rod 14 is installed in the accommodating cavity 15, the output end of the expansion rod 14 is connected with a frame pressing plate 16, a protruding piercing knife 19 is arranged at the center of the lower surface of the frame pressing plate 16, the piercing knife 19 is a triangular component with high penetrating power, the upper surface of the cut-off strip 7 is provided with a frame groove 17, a piercing groove 18 is arranged at the center of the frame groove 17, the piercing groove 18 and the piercing knife 19 are complementary, in order to create a good stretching condition for covering the skin, a window on the covering element needs to be filled, the opening part is connected into a closed shape, the part with the flange needs to be smoothly transformed into a material pressing surface which is beneficial to forming, the part without the flange needs to be supplemented with a material pressing surface, the added parts are called as process supplementation, and a cracking phenomenon can occur when a local stress exceeds a plastic deformation limit due to insufficient strength or plasticity of the material in the skin forming process, particularly, in the middle part or double-drawing connection part of the covering part, because the local plastic deformation of a part is caused to exceed the maximum limit due to the fact that the material cannot be supplemented from the outside of the material in the drawing process, the phenomenon of local cracking can occur, and the part cannot meet the quality requirement, so in order to solve the problem of similar cracking of the part, in the actual production, the process supplementing part in the middle of the covering part is usually punctured, and the corresponding process supplementing area on the part is actively punctured a few millimeters before the mould is closed, therefore, according to the position of the process supplementing on the high-speed rail skin, the device is provided with a puncture knife 19 on a movable mould 6, in order to show the position of the skin on a vehicle window, a frame pressing plate 16 is arranged on the upper surface of the puncture knife 19 and is driven by a telescopic rod 14, the telescopic rod 14 rapidly pushes the frame pressing plate 16 to move downwards, and through the matching of a frame groove 17 and the frame pressing plate 16, and printing an indentation on the skin, wherein the indentation is the boundary of the vehicle window, simultaneously puncturing the skin by a puncturing knife 19 on a frame pressing plate 16, and setting a puncturing groove 18 on the upper surface of the cutting strip 7 for abdicating in order to prevent a knife head of the puncturing knife 19 from contacting the cutting strip 7 to cause damage.
In fig. 1 and 3, an upper template 2 is arranged on the upper surface of a movable mold 6, a telescopic column 3 is arranged between the upper template 2 and a lower template 4 for supporting, a cylinder 1 is arranged at the center of the upper surface of the upper template 2, a connecting rod 13 is arranged at the output end of the cylinder 1, the connecting rod 13 is connected with the upper surface of a top press plate 12, the telescopic column 3 provides a supporting force for the upper template 2, does not influence the descending of the upper template 2, further does not influence the descending of the movable mold, the top press plate 12 mainly has the function of ejecting skin from the interior of the movable mold 6 to realize discharging in the later period, after the skin is descended through the movable mold 6 to stretch the skin attaching prefabricated mold 9, the formed skin is abutted against the lower surface of the skin and is taken out from the interior of the fixed mold 5 through a cutoff strip 7, and after the movable mold 6 continues to ascend, the cutoff strip 7 loses upward counter-elastic force support due to the length of a spring 11, therefore, the cutting strip 7 rises to the initial position and keeps different, so that the upper surface of the cutting strip 7 is separated from the lower surface of the movable mold 6, at the moment, the cylinder 1 pushes the jacking plate 12 to descend through the telescopic rod 14, the jacking plate 12 further pushes the formed skin to fall from the movable mold 6, and discharging is completed.
The working principle is as follows: when the device is used, an iron sheet is placed on the fixed die 5, the upper die plate 2 is driven to descend through the telescopic column 3, the movable die 6 is further driven to descend, when the movable die 6 descends to the edge of the lower surface of the movable die to be in contact with the cut-off strip 7, the telescopic rod 14 positioned in the containing cavity 15 of the lower surface of the movable die 6 quickly pushes the pressing frame plate 16 to move downwards, a mark is printed on the skin through the matching of the frame groove 17 and the pressing frame plate 16, the mark is the boundary of a car window, meanwhile, the piercing knife 19 on the pressing frame plate 16 pierces the skin, in order to prevent the knife head of the piercing knife 19 from being in contact with the cut-off strip 7 to cause damage, the piercing groove 18 is arranged on the upper surface of the cut-off strip 7 to give way, then the telescopic rod 14 drives the pressing frame plate 16 and the piercing knife 19 to reset, the movable die 6 continues to descend to be in contact with the cut-off strip 7 to cut off the skin, and therefore the cut-off part has the same shape as the space in the fixed die 5, when the movable mould 6 continues to descend, the pressing cutting strip 7 descends, so that the movable mould 6 descends into the fixed mould 5, the skin is in contact with the upper surface of the prefabricated mould 9, the interior of the movable mould 6 is utilized to stretch and extend the skin, the skin is attached to the outer surface of the prefabricated mould 9, and the extension of the skin is completed.
While the invention has been described in further detail in connection with specific embodiments thereof, it will be understood that the invention is not limited thereto, and that various other modifications and substitutions may be made by those skilled in the art without departing from the spirit of the invention, which should be considered to be within the scope of the invention as defined by the appended claims.
Claims (7)
1. The utility model provides a mould structure that is used for tensile fracture of high-speed railway covering to puncture, includes stationary mould (5) and movable mould (6), its characterized in that: the inner center of the fixed die (5) is provided with a prefabricated die (9), the inner part of the movable die (6) is provided with a top pressing plate (12), the lower surface of the top pressing plate (12) is provided with an arc-shaped groove, and the arc-shaped groove of the fox top pressing plate (12) is complementary with the upper surface of the prefabricated die (9).
2. The mold structure for high-speed rail skin stretch cracking puncture according to claim 1, characterized in that: the both sides of prefabricated mould (9) are equipped with cuts disconnected strip (7), and the upper surface and prefabricated mould (9) of cutting disconnected strip (7) are on the coplanar, the one end that cuts disconnected strip (7) and decide mould (5) and contact is equipped with the extension piece, and the inner wall of deciding mould (5) corresponds the extension piece and has seted up the catch groove.
3. The mold structure for high-speed rail skin stretch cracking puncture according to claim 2, characterized in that: the lower surface of the fixed die (5) is provided with a lower die plate (4), the lower surface of the cutting strip (7) is connected with a telescopic strip (8), the lower end of the telescopic strip (8) is inserted into the lower die plate (4), the lower end of the telescopic strip (8) is sleeved with a spring (11), and a limiting block (10) is welded at the contact end of the upper surfaces of the telescopic strip (8) and the spring (11).
4. The mold structure for high-speed rail skin stretch cracking puncture according to claim 1, characterized in that: the lower surface of the movable mould (6) is provided with an accommodating cavity (15), a telescopic rod (14) is installed in the accommodating cavity (15), the output end of the telescopic rod (14) is connected with a frame pressing plate (16), and a puncture knife (19) is arranged at the center of the lower surface of the frame pressing plate (16).
5. The mold structure for high-speed rail skin stretch cracking puncture according to claim 4, characterized in that: the center of the upper surface of the cutting strip (7) is provided with a frame groove (17) corresponding to the frame pressing plate (16), and the center of the frame groove (17) is provided with a puncture groove (18).
6. The mold structure for high-speed rail skin stretch cracking puncture according to claim 5, characterized in that: the puncture knife (19) and the puncture groove (18) are arranged in a triangular structure, and the frame pressing plate (16) and the frame groove (17) are complementary.
7. The mold structure for high-speed rail skin stretch cracking puncture according to claim 3, characterized in that: the upper surface of moving die utensil (6) is provided with cope match-plate pattern (2), and cope match-plate pattern (2) and be equipped with flexible post (3) between lower bolster (4) and support, the upper surface center department of cope match-plate pattern (2) installs cylinder (1), and the output of cylinder (1) installs connecting rod (13), the upper surface connection of connecting rod (13) and roof pressure board (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111161609.3A CN113751596B (en) | 2021-09-30 | 2021-09-30 | A mould structure for high-speed railway covering tensile fracture is punctured |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111161609.3A CN113751596B (en) | 2021-09-30 | 2021-09-30 | A mould structure for high-speed railway covering tensile fracture is punctured |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113751596A true CN113751596A (en) | 2021-12-07 |
| CN113751596B CN113751596B (en) | 2024-08-06 |
Family
ID=78798596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111161609.3A Active CN113751596B (en) | 2021-09-30 | 2021-09-30 | A mould structure for high-speed railway covering tensile fracture is punctured |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113751596B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118371596A (en) * | 2024-06-24 | 2024-07-23 | 山东华建铝业集团有限公司 | A stamping and forming device for ship aluminum profile shell workpiece |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10235677A (en) * | 1997-02-21 | 1998-09-08 | Kansei Corp | Skin material clamping structure for molding tool |
| KR20050008310A (en) * | 2003-07-15 | 2005-01-21 | 한일이화주식회사 | Die apparatus for interior panel of vehicle and manufacturing method of interior panel using the same |
| CN102554032A (en) * | 2012-01-20 | 2012-07-11 | 重庆至信实业有限公司 | Inner skin processing method of front pillar of mini car |
| CN203526346U (en) * | 2013-10-15 | 2014-04-09 | 天汽模（湖南）汽车模具技术有限公司 | Drawing mold with puncturing technology |
| CN203578557U (en) * | 2013-10-29 | 2014-05-07 | 奇瑞汽车股份有限公司 | Die piercing cutter structure |
| CN204486581U (en) * | 2014-12-30 | 2015-07-22 | 鑫鸿交通工业（安徽）有限公司 | A kind of automobile die drawing punctures structure |
| CN105344819A (en) * | 2015-11-27 | 2016-02-24 | 沈阳飞机工业（集团）有限公司 | Isothermal forming die of large-curvature titanium alloy covering part and forming method of isothermal forming die |
| CN207343582U (en) * | 2017-08-18 | 2018-05-11 | 浙江长兴层颉机械制造有限公司 | A kind of automobile side coaming stamping die |
| CN207414134U (en) * | 2017-07-13 | 2018-05-29 | 宝沃汽车（中国）有限公司 | Mold |
| CN208050738U (en) * | 2018-03-15 | 2018-11-06 | 成都嘉润汽车部件有限公司 | A kind of double-station drawing die |
| CN208230612U (en) * | 2018-04-18 | 2018-12-14 | 南通江华热动力机械有限公司 | A kind of telescopic bend pipe punctures mechanism |
| CN209697830U (en) * | 2018-12-19 | 2019-11-29 | 东莞致嘉金属科技有限公司 | A kind of drawing punctures mold mechanism |
| CN110814162A (en) * | 2019-10-17 | 2020-02-21 | 成都飞机工业（集团）有限责任公司 | Sheet metal forming method for aircraft skin part with sinking function |
| CN210253843U (en) * | 2019-06-12 | 2020-04-07 | 无锡宝众科技股份有限公司 | Puncture interior positioning type stretch forming die |
| CN111267327A (en) * | 2020-03-16 | 2020-06-12 | 沈阳飞机工业（集团）有限公司 | Skin stretch forming die and manufacturing method thereof |
| CN211052281U (en) * | 2019-07-03 | 2020-07-21 | 东莞利铿电子有限公司 | Automatic stepping die |
| CN111729979A (en) * | 2020-05-30 | 2020-10-02 | 襄阳昊瑞模具有限公司 | Piercing cutter structure, drawing die and drawing process |
| CN112474962A (en) * | 2020-11-09 | 2021-03-12 | 北海市传创环保科技有限公司 | U type aluminium square tube processingequipment |
| CN213999684U (en) * | 2020-11-23 | 2021-08-20 | 十堰维旭工贸有限公司 | Puncture type structure for preventing inner positioning hole from deforming for stretching forming die |
-
2021
- 2021-09-30 CN CN202111161609.3A patent/CN113751596B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10235677A (en) * | 1997-02-21 | 1998-09-08 | Kansei Corp | Skin material clamping structure for molding tool |
| KR20050008310A (en) * | 2003-07-15 | 2005-01-21 | 한일이화주식회사 | Die apparatus for interior panel of vehicle and manufacturing method of interior panel using the same |
| CN102554032A (en) * | 2012-01-20 | 2012-07-11 | 重庆至信实业有限公司 | Inner skin processing method of front pillar of mini car |
| CN203526346U (en) * | 2013-10-15 | 2014-04-09 | 天汽模（湖南）汽车模具技术有限公司 | Drawing mold with puncturing technology |
| CN203578557U (en) * | 2013-10-29 | 2014-05-07 | 奇瑞汽车股份有限公司 | Die piercing cutter structure |
| CN204486581U (en) * | 2014-12-30 | 2015-07-22 | 鑫鸿交通工业（安徽）有限公司 | A kind of automobile die drawing punctures structure |
| CN105344819A (en) * | 2015-11-27 | 2016-02-24 | 沈阳飞机工业（集团）有限公司 | Isothermal forming die of large-curvature titanium alloy covering part and forming method of isothermal forming die |
| CN207414134U (en) * | 2017-07-13 | 2018-05-29 | 宝沃汽车（中国）有限公司 | Mold |
| CN207343582U (en) * | 2017-08-18 | 2018-05-11 | 浙江长兴层颉机械制造有限公司 | A kind of automobile side coaming stamping die |
| CN208050738U (en) * | 2018-03-15 | 2018-11-06 | 成都嘉润汽车部件有限公司 | A kind of double-station drawing die |
| CN208230612U (en) * | 2018-04-18 | 2018-12-14 | 南通江华热动力机械有限公司 | A kind of telescopic bend pipe punctures mechanism |
| CN209697830U (en) * | 2018-12-19 | 2019-11-29 | 东莞致嘉金属科技有限公司 | A kind of drawing punctures mold mechanism |
| CN210253843U (en) * | 2019-06-12 | 2020-04-07 | 无锡宝众科技股份有限公司 | Puncture interior positioning type stretch forming die |
| CN211052281U (en) * | 2019-07-03 | 2020-07-21 | 东莞利铿电子有限公司 | Automatic stepping die |
| CN110814162A (en) * | 2019-10-17 | 2020-02-21 | 成都飞机工业（集团）有限责任公司 | Sheet metal forming method for aircraft skin part with sinking function |
| CN111267327A (en) * | 2020-03-16 | 2020-06-12 | 沈阳飞机工业（集团）有限公司 | Skin stretch forming die and manufacturing method thereof |
| CN111729979A (en) * | 2020-05-30 | 2020-10-02 | 襄阳昊瑞模具有限公司 | Piercing cutter structure, drawing die and drawing process |
| CN112474962A (en) * | 2020-11-09 | 2021-03-12 | 北海市传创环保科技有限公司 | U type aluminium square tube processingequipment |
| CN213999684U (en) * | 2020-11-23 | 2021-08-20 | 十堰维旭工贸有限公司 | Puncture type structure for preventing inner positioning hole from deforming for stretching forming die |
Non-Patent Citations (1)
| Title |
|---|
| 白昆: "蒙皮的拉伸成型工艺", 航天制造技术, no. 06, 17 December 1993 (1993-12-17), pages 44 - 48 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118371596A (en) * | 2024-06-24 | 2024-07-23 | 山东华建铝业集团有限公司 | A stamping and forming device for ship aluminum profile shell workpiece |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113751596B (en) | 2024-08-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109500242A (en) | A kind of many types of face processing and forming stamping die of vehicle dormer window guide rail and its process for stamping | |
| CN219632374U (en) | Automobile panel manufacturing die | |
| CN212310529U (en) | Stamping die of automobile anti-fracture sealing ring | |
| CN113751596B (en) | A mould structure for high-speed railway covering tensile fracture is punctured | |
| CN212144206U (en) | Novel sheet metal part stamping die | |
| CN115193992A (en) | Stamping device capable of rapidly replacing clamp | |
| CN215090075U (en) | Trimming die with material pressing mechanism | |
| CN221581623U (en) | Stamping die quick separation structure | |
| CN117066360A (en) | Stamping device for arc-shaped lamp shade of traffic signal lamp | |
| CN217570396U (en) | Mold parting edge and in-hole burr removing device | |
| CN215879611U (en) | New energy automobile is protective housing's for lithium cell five metals stamping device | |
| CN215697507U (en) | Automobile parts uses processingequipment | |
| CN116550868A (en) | Continuous stamping device and method for metal polar plate of fuel cell | |
| CN210453727U (en) | Thermal forming die with novel punching structure | |
| CN113828683B (en) | Forming device and forming method for parts with holes | |
| CN222242226U (en) | A cold punching die for preventing waste from jumping | |
| CN111842646A (en) | Automobile fender mould | |
| CN220179398U (en) | Full-automatic horizontal cutting device for glove mould | |
| CN222778698U (en) | A tube punching die | |
| CN219746199U (en) | Gear shaft closed extrusion forging and pressing mould | |
| CN220127327U (en) | Gear ring trimming tool | |
| CN222790443U (en) | Mould pressing device for sheet metal processing | |
| CN220347002U (en) | Stamping structure with synchronous trimming function | |
| CN115401111B (en) | Continuous stretching die | |
| CN221392027U (en) | Novel motor cover injection molding die |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |