CN113500132B - Method for balancing pressure center of iron core stamping die - Google Patents
Method for balancing pressure center of iron core stamping die Download PDFInfo
- Publication number
- CN113500132B CN113500132B CN202110756789.3A CN202110756789A CN113500132B CN 113500132 B CN113500132 B CN 113500132B CN 202110756789 A CN202110756789 A CN 202110756789A CN 113500132 B CN113500132 B CN 113500132B
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- die
- table top
- center
- threshold value
- punch press
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- 238000000034 method Methods 0.000 title claims abstract description 25
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract description 9
- 238000004080 punching Methods 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 10
- 238000004590 computer program Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/04—Centering the work; Positioning the tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
- B21D28/145—Dies with means for slug retention, e.g. a groove
-
- 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
- B21D55/00—Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses a method for balancing the pressure center of an iron core stamping die, which has the technical scheme that: obtaining the movable distance of the die on the table top of the punch press; judging whether the moving distance is above or equal to a threshold value according to the moving distance of the acquired die on the table top of the punch press; if the distance is above or equal to a threshold value, executing a first strategy on the die; if the distance is below the threshold value, a second strategy is executed on the die, after the pressure center of the die is balanced by the method, the damage of the die cutting edge and the stability of the die are obviously improved compared with the prior art, meanwhile, the parallelism of the punch sliding block is protected to a certain extent, the stability of the die is improved, and three die adjusting modes are set, so that the die center alignment method has a wider application range.
Description
Technical Field
The invention relates to the technical field of dies, in particular to a method for balancing the pressure center of an iron core stamping die.
Background
A stamping die is a special process equipment for processing a material (metal or nonmetal) into a part (or a semi-finished product) in cold stamping processing, and is called a cold stamping die (commonly called a cold stamping die). Stamping is a press working method in which a material is pressed at room temperature by a die attached to a press to be separated or plastically deformed, thereby obtaining a desired part.
In the related art, a pattern of the die is obtained on the premise of determining the blanking sequence of the die, and the position of the die pressure center can be obtained through calculation. But often the calculated center of pressure is not coincident with the geometric center of the mold. The die cutting edge is easy to damage, the stability of the punch slide block is reduced, and the service life of the die is shortened.
Disclosure of Invention
In view of the problems mentioned in the background art, an object of the present invention is to provide a method for balancing the center of pressure of a stamping die for an iron core, so as to solve the problems mentioned in the background art.
The technical aim of the invention is realized by the following technical scheme:
a method of balancing a core stamping die center of pressure, comprising: obtaining the movable distance of the die on the table top of the punch press;
judging whether the moving distance is above or equal to a threshold value according to the moving distance of the acquired die on the table top of the punch press;
if the distance is above or equal to a threshold value, executing a first strategy on the die;
and if the distance is below the threshold, executing a second strategy on the die.
Through adopting above-mentioned technical scheme for after the balanced pressure center of mould, mould blade damages and has obvious improvement before the mould stability, has also had the protection to the depth of parallelism of punch press slider simultaneously, improves mould stability.
Preferably, the determining whether the distance is above or equal to a threshold according to the moving distance of the die on the table top of the punch press includes: obtaining a difference value between the length of a table top of the punching machine and the length of a die, wherein the length is pointed in the movement direction of the die;
and judging whether the distance is above or equal to a threshold value based on the difference value of the length of the punch table top and the length of the die.
Preferably, the determining whether the distance is greater than or equal to a threshold value based on the difference between the length of the table top of the punching machine and the length of the die includes: acquiring an absolute value corresponding to the difference value of the length of the table top of the punch press and the length of the die;
detecting whether the absolute value is above or equal to a threshold;
if the absolute value is detected to be above or equal to the threshold value, determining that the moving distance of the die on the table top of the punching machine is above or equal to the threshold value;
and if the absolute value is detected to be below the threshold value, determining that the moving distance of the die on the table top of the punch press is below the threshold value.
Preferably, the threshold is 110mm.
Preferably, the first policy includes: the position of the die on the table top of the punch press is changed to achieve that the center of the die pressure is consistent with the center of the punch press slide block.
Preferably, the changing the position of the die on the table of the punch press includes one of: the position of the movable mould on the table top of the punch press reaches the consistency of the pressure center of the mould and the center of the slide block of the punch press;
the mold length is varied to conform the mold geometric center to the mold pressure center.
Preferably, the second policy includes: judging whether the die can adjust the blanking sequence;
if the die can adjust the blanking sequence, executing a first sub-strategy;
and if the die cannot adjust the blanking sequence, executing a second sub-strategy.
Preferably, the first sub-strategy includes adjusting the blanking order of the die stock to achieve a die center of pressure consistent with the punch press slide center.
Preferably, the second sub-strategy includes adding pre-punched holes to the die to achieve a coincidence of the die center of pressure with the punch slide center.
By arranging three die adjustment modes, the die center alignment method has more application range, has respective advantages and defects, and can be flexibly applied according to the characteristics of products in actual die design application so as to achieve a more reasonable design scheme.
In summary, the invention has the following advantages:
according to the method for balancing the pressure center of the iron core stamping die, after the die balances the pressure center, the damage of the die cutting edge and the stability of the die are obviously improved compared with the prior art, meanwhile, the parallelism of the punch sliding block is also protected to a certain extent, the stability of the die is improved, the damage of the die cutting edge and unilateral abrasion are reduced, and the service life of the punch sliding block is prolonged. Meanwhile, the invention has three die adjusting modes, and the three adjusting modes have respective advantages and defects, and can be flexibly applied according to the characteristics of products in practical die design application so as to achieve a more reasonable design scheme.
Drawings
FIG. 1 is a schematic flow chart of a method for balancing the center of pressure of a stamping die for an iron core according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a first strategy movement according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a first sub-strategy movement according to an embodiment of the present invention;
FIG. 4 is a diagram illustrating a second sub-policy movement according to an embodiment of the present invention;
FIG. 5 is a diagram of a lower table of a JL-80T stamping apparatus in accordance with an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Fig. 1 is a schematic flow chart of a method for balancing the pressure center of a stamping die for an iron core according to an embodiment of the present invention, and fig. 5 is a schematic table top of a JL-80T type stamping device of the stamping device according to the present invention.
Referring to fig. 1-4, a method of balancing a core stamping die center of pressure includes:
step s100, adjusting the position of the die and placing the die on a stamping table top;
step s101, adjusting the length direction of the die so that the length direction of the die is consistent with the movement direction of the stamping equipment;
step S102, obtaining the movable distance of the die on the table top of the punch press;
step S104, judging whether the moving distance is above or equal to a threshold value according to the moving distance of the acquired die on the table top of the punch press;
step s106, if the distance is above or equal to the threshold value, executing a first strategy on the die.
Step s108, if the distance is below the threshold, executing a second strategy on the die.
After the method balances the pressure center of the die, the damage of the die cutting edge and the stability of the die are obviously improved compared with the prior art, and meanwhile, the parallelism of the sliding block of the punch press is also protected to a certain extent, so that the stability of the die is improved.
Further, the step of judging whether the distance is above or equal to a threshold value according to the moving distance of the die on the table top of the punch press comprises the following steps: obtaining a difference value between the length of a table top of the punching machine and the length of a die, wherein the length is pointed in the movement direction of the die;
and judging whether the distance is above or equal to a threshold value based on the difference value of the length of the punch table top and the length of the die.
Further, the determining whether the distance is above or equal to a threshold based on the difference between the length of the punch table and the length of the die includes: acquiring an absolute value corresponding to the difference value of the length of the table top of the punch press and the length of the die;
detecting whether the absolute value is above or equal to a threshold;
if the absolute value is detected to be above or equal to the threshold value, determining that the moving distance of the die on the table top of the punching machine is above or equal to the threshold value;
and if the absolute value is detected to be below the threshold value, determining that the moving distance of the die on the table top of the punch press is below the threshold value.
Further, the threshold is 110mm.
The threshold is determined by the size ratio of the table top to the die of the punch and the structure of the stamping part in specific operation, and only meets the manufacturing requirement.
Further, the first policy includes: the position of the die on the table top of the punch press is changed to achieve that the center of the die pressure is consistent with the center of the punch press slide block.
Further, the changing the position of the die on the table of the punch press includes one of: the position of the movable mould on the table top of the punch press reaches the consistency of the pressure center of the mould and the center of the slide block of the punch press;
the mold length is varied to conform the mold geometric center to the mold pressure center.
As shown in fig. 2, the die center of pressure can be aligned with the center of the ram of the press by moving the die on the press with the die table free or by changing the die length to align the die geometric center with the center of pressure.
Further, the second policy includes: step s202, judging whether the die can adjust the blanking sequence;
step s204, if the die can adjust the blanking order, executing a first sub-strategy;
step s206, if the die cannot adjust the blanking order, executing a second sub-strategy.
Further, the first sub-strategy includes adjusting a blanking order of the die stock to achieve a die center of pressure consistent with a punch press slide center.
As shown in fig. 3, the die pressure center is consistent with the center of the punch slide by adjusting the blanking sequence of the die arrangement.
Further, the second sub-strategy includes adding pre-punched holes to the die to achieve a die center of pressure that coincides with the punch press slide center. By arranging three die adjustment modes, the die center alignment method has more application range, has respective advantages and defects, and can be flexibly applied according to the characteristics of products in actual die design application so as to achieve a more reasonable design scheme. Further improving the flexibility of the centering mode and increasing the application range of the centering method.
As shown in fig. 4, i.e. for which the blanking sequence cannot be adjusted and the punch table is saturated, the pre-punching is added to achieve that the die pressure center is consistent with the punch slide center.
Working principle: referring to fig. 1-5, in the method for balancing the pressure center of the iron core stamping die provided by the embodiment of the invention, the moving distance of the die on the table top of the stamping machine is obtained by aligning the length direction of the die with the moving direction of the stamping table top, placing and fixing the die, judging whether the moving distance is above or equal to the threshold value according to the moving distance of the die on the table top of the stamping machine, if the moving distance is above or equal to the threshold value, executing a first strategy on the die, and if the moving distance is below the threshold value, executing a second strategy on the die, wherein after the die balances the pressure center by the method, the damage of the die edge and the stability of the die are obviously improved compared with the prior art, meanwhile, the parallelism of the die slide block is also protected to a certain extent, the stability of the die is improved, and three die adjusting modes are simultaneously provided, so that the die center aligning method has more application ranges, all the three adjusting modes have respective advantages and defects, and can be flexibly applied according to the characteristics of products in practical die design application, so as to achieve a reasonable design scheme.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. A method of balancing a core stamping die center of pressure, comprising:
obtaining the movable distance of the die on the table top of the punch press;
judging whether the moving distance is above or equal to a threshold value according to the moving distance of the acquired die on the table top of the punch press;
if the distance is above or equal to a threshold value, executing a first strategy on the die;
if the distance is below a threshold, executing a second strategy on the die;
the step of judging whether the distance is above or equal to a threshold value according to the movable distance of the die on the table top of the punch press comprises the following steps: obtaining a difference value between the length of a table top of the punching machine and the length of a die, wherein the length is pointed in the movement direction of the die;
judging whether the distance is above or equal to a threshold value based on the difference between the length of the punch table and the length of the die;
the determining whether the distance is above or equal to a threshold value based on the difference between the length of the punch table top and the length of the die comprises: acquiring an absolute value corresponding to the difference value of the length of the table top of the punch press and the length of the die;
detecting whether the absolute value is above or equal to a threshold;
if the absolute value is detected to be above or equal to the threshold value, determining that the moving distance of the die on the table top of the punching machine is above or equal to the threshold value;
if the absolute value is detected to be below the threshold value, determining that the moving distance of the die on the table top of the punch press is below the threshold value;
the first policy includes: changing the position of the die on the table top of the punch press to ensure that the pressure center of the die is consistent with the center of the slide block of the punch press;
the changing the position of the die on the table top of the punching machine comprises one of the following steps: the position of the movable mould on the table top of the punch press reaches the consistency of the pressure center of the mould and the center of the slide block of the punch press;
changing the length of the die to make the geometric center of the die consistent with the pressure center of the die;
the second policy includes: judging whether the die can adjust the blanking sequence;
if the die can adjust the blanking sequence, executing a first sub-strategy;
if the die cannot adjust the blanking sequence, executing a second sub-strategy;
the first sub-strategy comprises the step of adjusting the blanking sequence of the die arrangement to ensure that the die pressure center is consistent with the punch slide block center;
the second sub-strategy comprises adding pre-punched holes on the die to ensure that the pressure center of the die is consistent with the center of a slide block of the punch press;
the threshold is 110mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110756789.3A CN113500132B (en) | 2021-07-05 | 2021-07-05 | Method for balancing pressure center of iron core stamping die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110756789.3A CN113500132B (en) | 2021-07-05 | 2021-07-05 | Method for balancing pressure center of iron core stamping die |
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| Publication Number | Publication Date |
|---|---|
| CN113500132A CN113500132A (en) | 2021-10-15 |
| CN113500132B true CN113500132B (en) | 2023-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110756789.3A Active CN113500132B (en) | 2021-07-05 | 2021-07-05 | Method for balancing pressure center of iron core stamping die |
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| Country | Link |
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| CN (1) | CN113500132B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101417305A (en) * | 2008-11-06 | 2009-04-29 | 四川集成天元模具制造有限公司 | Method for adjusting mold pressure center using nitrogen gas spring |
| CN101837421A (en) * | 2009-03-18 | 2010-09-22 | 吴远东 | Novel multi-station change table mechanism of metal forming machinery |
| CN102930133A (en) * | 2012-09-24 | 2013-02-13 | 安徽埃力智能科技有限公司 | Integrated rapid balance and gait assessment system and method |
| CN103919654A (en) * | 2013-01-15 | 2014-07-16 | 株式会社东芝 | Support Apparatus And Support Method |
-
2021
- 2021-07-05 CN CN202110756789.3A patent/CN113500132B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101417305A (en) * | 2008-11-06 | 2009-04-29 | 四川集成天元模具制造有限公司 | Method for adjusting mold pressure center using nitrogen gas spring |
| CN101837421A (en) * | 2009-03-18 | 2010-09-22 | 吴远东 | Novel multi-station change table mechanism of metal forming machinery |
| CN102930133A (en) * | 2012-09-24 | 2013-02-13 | 安徽埃力智能科技有限公司 | Integrated rapid balance and gait assessment system and method |
| CN103919654A (en) * | 2013-01-15 | 2014-07-16 | 株式会社东芝 | Support Apparatus And Support Method |
Non-Patent Citations (1)
| Title |
|---|
| 级进模压力中心的确定及优化方法;王娟;《工程科技I辑-金属学及金属工艺》;20080915;第47-54页 * |
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| CN113500132A (en) | 2021-10-15 |
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Address after: 213000 No.18, Yangyuan Road, Yaoguan Town, Wujin District, Changzhou City, Jiangsu Province Applicant after: Yuma precision technology (Jiangsu) Co.,Ltd. Address before: 213000 No.18, Yangyuan Road, Yaoguan Town, Wujin District, Changzhou City, Jiangsu Province Applicant before: Yuma precision technology (Jiangsu) Co.,Ltd. Address after: 213000 No.18, Yangyuan Road, Yaoguan Town, Wujin District, Changzhou City, Jiangsu Province Applicant after: Yuma precision technology (Jiangsu) Co.,Ltd. Address before: 213000 No.18, Yangyuan Road, Yaoguan Town, Wujin District, Changzhou City, Jiangsu Province Applicant before: CHANGZHOU YUMA PRECISION STAMPING PARTS CO.,LTD. |
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