CN216705656U - Structure for improving stamping precision of progressive die - Google Patents
Structure for improving stamping precision of progressive die Download PDFInfo
- Publication number
- CN216705656U CN216705656U CN202123268823.7U CN202123268823U CN216705656U CN 216705656 U CN216705656 U CN 216705656U CN 202123268823 U CN202123268823 U CN 202123268823U CN 216705656 U CN216705656 U CN 216705656U
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- Prior art keywords
- die
- blanking
- male die
- guide nail
- fixing plate
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- 230000000750 progressive effect Effects 0.000 title claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 15
- 230000000149 penetrating effect Effects 0.000 claims abstract description 13
- 238000003825 pressing Methods 0.000 claims abstract description 9
- 238000004080 punching Methods 0.000 claims description 8
- 230000002146 bilateral effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of motor iron core progressive die manufacturing, in particular to a structure for improving the stamping precision of a progressive die, which comprises an upper die base, a blanking male die, a pressing plate, a pilot pin, a male die fixing plate and a spring, wherein the blanking male die is arranged on the upper die base; a male die fixing plate is fixed at the bottom of the upper die base, the blanking male die is detachably fixed in the male die fixing plate by a pressing plate, the guide nail is movably arranged in the male die fixing plate in a penetrating manner, the upper end of the guide nail is movably arranged in the upper die base in a penetrating manner by a spring, and the lower end of the guide nail is matched and inserted with a guide nail hole arranged in the strip material; the blanking die is characterized by further comprising positioning rods, wherein the positioning rods are movably arranged in the blanking male die in a penetrating mode, the upper ends of the positioning rods are movably arranged in the upper die base in a penetrating mode through springs, and the lower ends of the positioning rods are matched with positioning rod holes of products in the blanking female die in the strip materials in an inserting mode. Double positioning is carried out, the strip can be kept stable during stamping, uncontrollable deformation is reduced, and the product quality is greatly improved.
Description
Technical Field
The utility model relates to the technical field of manufacturing of progressive dies of motor iron cores, in particular to a structure for improving the stamping precision of a progressive die.
Background
In the field of manufacturing of existing progressive dies for motor iron cores, the production process of the progressive die generally comprises the steps of firstly punching a guide nail, forming a guide nail hole on a strip material, then, in each step, inserting the guide nail into the hole for positioning, and then punching the strip material after the strip material is fixed. In order to ensure high dimensional accuracy of punched products, accurate positioning of each step needs to be ensured, but in the real production process, the punched products are greatly different from the designed values due to the influence of objective factors such as strip deformation and the like, for example, the punched circular products are oval and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a structure for improving the stamping precision of a progressive die aiming at the defects and shortcomings of the prior art, double positioning is carried out, strip materials can be kept stable during stamping, uncontrollable deformation is reduced, and the quality of products is greatly improved.
In order to achieve the purpose, the utility model adopts the following technical scheme: the blanking device comprises an upper die base, a blanking male die, a pressing plate, a pilot pin, a male die fixing plate and a spring; a male die fixing plate is fixed at the bottom of the upper die base, the blanking male die is detachably fixed in the male die fixing plate by a pressing plate, the guide nail is movably arranged in the male die fixing plate in a penetrating manner, the upper end of the guide nail is movably arranged in the upper die base in a penetrating manner by a spring, and the lower end of the guide nail is matched and inserted with a guide nail hole arranged in the strip material; the blanking die is characterized by further comprising positioning rods, wherein the positioning rods are movably arranged in the blanking male die in a penetrating mode, the upper ends of the positioning rods are movably arranged in the upper die base in a penetrating mode through springs, and the lower ends of the positioning rods are matched with positioning rod holes of products in the blanking female die in the strip materials in an inserting mode.
Preferably, the pilot nails are symmetrically arranged on the left side and the right side of the blanking male die in an equivalent manner.
Preferably, the locating rods are symmetrically arranged inside the blanking convex die in an equivalent left-right mode.
Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a structure for improving the stamping precision of a progressive die, which is used for carrying out double positioning, so that a strip material can be kept stable during stamping, uncontrollable deformation is reduced, and the quality of a product is greatly improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Description of reference numerals:
the blanking device comprises an upper die base 1, a blanking male die 2, a pressing plate 3, a guide nail 4, a guide nail hole 4-1, a male die fixing plate 5, a strip material 6, a spring 7, a positioning rod 8, a positioning rod hole 8-1 and a blanking female die 9.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings, and the preferred embodiments in the description are only examples, and all other embodiments obtained by those skilled in the art without any inventive work belong to the protection scope of the present invention.
As shown in fig. 1, the following technical solutions are adopted in the present embodiment: the blanking device comprises an upper die base 1, a blanking convex die 2, a pressing plate 3, a pilot pin 4, a convex die fixing plate 5 and a spring 7; a male die fixing plate 5 is fixed at the bottom of the upper die base 1, the blanking male die 2 is detachably fixed in the male die fixing plate 5 by a pressing plate 3, a guide nail 4 is movably arranged in the male die fixing plate 5, the upper end of the guide nail is movably arranged in the upper die base 1 by a spring 7, the lower end of the guide nail 4 is matched and inserted with a guide nail hole 4-1 formed in a strip material 6, and the guide nails 4 are symmetrically arranged at the left side and the right side of the blanking male die 2 in an equivalent left-right manner; the blanking punch die also comprises a plurality of positioning rods 8, wherein the plurality of positioning rods 8 are symmetrically and movably arranged inside the blanking punch die 2 in an equivalent left-right mode, the upper ends of the positioning rods are movably arranged in the upper die base 1 in a penetrating mode through springs, and the lower ends of the positioning rods 8 are matched and inserted with positioning rod holes 8-1 of products in a blanking female die 9 on the strip materials 6.
The working principle of the specific embodiment is as follows: the blanking male die 2 is made into a suspension structure, a positioning rod 8 is additionally arranged in the blanking male die 2, before the upper die base 1 is punched into the lower die base (not shown in the figure), the positioning rod 8 on the blanking male die 2 is inserted into a positioning rod hole 8-2 on a product in the blanking female die 9 for positioning, then the guide nail 4 is inserted into the guide nail hole 4-1 for positioning, and finally the blanking male die 2 enters the blanking female die 9 for punching, so that double positioning is carried out, the strip material 6 can be kept stable during punching, the uncontrollable deformation is reduced, and the quality of the product is greatly improved.
After adopting above-mentioned structure, this embodiment's beneficial effect is as follows: this embodiment provides a structure that improves progressive die punching press precision, has carried out dual location, can make the strip remain stable when the punching press, reduces uncontrollable deflection, very big improvement the quality of product.
It will be appreciated by those skilled in the art that modifications and equivalents may be made to the embodiments described above, and that various modifications, equivalents, improvements and the like may be made without departing from the spirit and scope of the utility model.
Claims (3)
1. A structure for improving the stamping precision of a progressive die comprises an upper die base (1), a blanking male die (2), a pressing plate (3), a guide nail (4), a male die fixing plate (5) and a spring (7); a male die fixing plate (5) is fixed at the bottom of the upper die base (1), the blanking male die (2) is detachably fixed in the male die fixing plate (5) by using a pressing plate (3), a guide nail (4) is movably arranged in the male die fixing plate (5) in a penetrating manner, the upper end of the guide nail is movably arranged in the upper die base (1) in a penetrating manner by using a spring (7), and the lower end of the guide nail (4) is matched and inserted with a guide nail hole (4-1) formed in a strip material (6);
the method is characterized in that: the automatic blanking device is characterized by further comprising a plurality of positioning rods (8), wherein the plurality of positioning rods (8) are movably arranged in the blanking male die (2) in a penetrating mode, the upper ends of the positioning rods are movably arranged in the upper die base (1) in a penetrating mode through springs, and the lower ends of the positioning rods (8) are matched with positioning rod holes (8-1) of products in a blanking female die (9) in the strip material (6) in an inserting mode.
2. The structure for improving the punching accuracy of a progressive die as set forth in claim 1, wherein: the guide nails (4) are symmetrically arranged on the left side and the right side of the blanking convex die (2) in an equivalent manner.
3. The structure for improving the punching accuracy of a progressive die as set forth in claim 1, wherein: the equal-quantity bilateral symmetry of the positioning rods (8) is arranged in the blanking male die (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123268823.7U CN216705656U (en) | 2021-12-24 | 2021-12-24 | Structure for improving stamping precision of progressive die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123268823.7U CN216705656U (en) | 2021-12-24 | 2021-12-24 | Structure for improving stamping precision of progressive die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216705656U true CN216705656U (en) | 2022-06-10 |
Family
ID=81884381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123268823.7U Active CN216705656U (en) | 2021-12-24 | 2021-12-24 | Structure for improving stamping precision of progressive die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216705656U (en) |
-
2021
- 2021-12-24 CN CN202123268823.7U patent/CN216705656U/en active Active
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