CN217964435U - Drawing template material accurate positioning mechanism for cold stamping die - Google Patents
Drawing template material accurate positioning mechanism for cold stamping die Download PDFInfo
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- CN217964435U CN217964435U CN202221483137.3U CN202221483137U CN217964435U CN 217964435 U CN217964435 U CN 217964435U CN 202221483137 U CN202221483137 U CN 202221483137U CN 217964435 U CN217964435 U CN 217964435U
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- 239000000463 material Substances 0.000 title claims abstract description 47
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 18
- 238000003825 pressing Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 abstract description 15
- 238000007493 shaping process Methods 0.000 abstract description 5
- -1 capable piece Substances 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 238000011161 development Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model provides an accurate positioning mechanism of drawing die sheet material for cold stamping die, belongs to cold stamping die technical field, including clamp plate die holder, clamp plate insert, die holder, lower mould insert, go up the mould insert, upper die base, locating pin, sheet material, capable piece, nitrogen cylinder flange, bullet ejector pin and material area. Adopt the utility model discloses when drawing preface sheet material and placing, locating pin location on sheet material hole and the clamp plate, the locating pin platform is unanimous with clamp plate profile peak, can guarantee that the sheet material steadily places, sheet material initial positioning is stable, in the forming process, the precedent piece is at first pushed down the peripheral sheet material of plate locating hole, go up the mould and continue the downstream and begin the shaping, the material area is along with the inside shrink natural extension of sheet material, the locating pin position does not have the cluster and moves, whole forming process location is stable, the locating pin atress is little, the mould is opened after the shaping, the finished piece pops up through the bullet knock pin, conveniently take out the finished piece.
Description
Technical Field
The utility model belongs to the technical field of cold stamping die, especially, involve a cold stamping die is with drawing accurate positioner of template material.
Background
The mold is the core of modern industry and is one of the important marks for measuring the manufacturing level of a country. At present, a die forming process is generally adopted in the production of the automobile industry so as to improve the production efficiency and quality of products. The cold stamping die can be used for producing parts and components by adopting cheap rolled steel plates or steel belts which are produced in large quantities in metallurgical plants as ingredients, and meanwhile, heating is not needed in the production process, so that the cold stamping die has a series of advantages of high production efficiency, good quality, low cost, energy and material conservation and the like. The mould for producing the automobile parts is a tool for producing isomorphic products in large batch and is main process equipment for producing various process products. The cold stamping is a pressure processing method which utilizes a stamping die to apply pressure on a plate or a blank on a press machine at normal temperature to cause the plate or the blank to generate plastic deformation or separation so as to obtain the shape and the size required by a part. The development of cold stamping technology and the development of automobile die technology are mutually promoted and developed together. The research and innovation of the cold stamping die have positive significance for the development of modern industry. The precision of the product size can be ensured by utilizing the cold stamping die for production, and the surface of the product is not damaged in the processing process, so that the product quality is stable. In the process of producing automobile parts by using a cold stamping die, plates in all working procedures need to be accurately positioned, and particularly, when the plates are precisely blanked and formed, the positioning accuracy of the plates in the drawing procedures has important influences on the formability, the related performance, the quality and the like of parts. In the prior art, the main problems for positioning the precisely blanked plates are as follows: the mobility of shaping or drawing preface sheet material is great, experience in the past adopts the lower and poor stability's of positioning accuracy material locator to carry out the sideline location, can't adopt the higher locating pin of precision and the accurate location of tablet upper hole cooperation, because the material flows can lead to the locating hole to warp, the locating pin damages, and accurate blanking shaping then needs higher positioning accuracy, guarantees the qualification rate of final product sideline, consequently, how to realize accurate positioning of accurate blanking shaping is the problem that the automobile punching press trade waited to solve urgently.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the drawing die plate material accurate positioning mechanism for the cold stamping die can realize accurate positioning of a plate material matched with a drawing sequence die positioning pin and a material sheet hole, and can effectively solve the problems of part edge line out-of-tolerance, poor stability and the like caused by inaccurate positioning in a precise blanking forming process.
The utility model provides an accurate positioning mechanism of drawing die sheet material for cold stamping die, characterized by: the device comprises a pressure plate die holder, a pressure plate insert, a lower die holder, a lower die insert, an upper die holder, a positioning pin, a plate, a pilot block, a nitrogen cylinder flange, a spring ejector pin and a material belt, wherein the upper die insert is connected with the upper die holder, and the nitrogen cylinder is arranged on the upper die holder through the nitrogen cylinder flange; the nitrogen cylinder is connected with the pilot block; the lower die insert is connected with the lower die base; the pressing plate insert is connected with the pressing plate die holder, a positioning pin is arranged on the pressing plate insert, and an elastic jacking pin is arranged at a position close to the positioning pin; the plate is arranged between the upper die insert and the pressing plate insert, a positioning hole is formed in the plate, and a material belt is arranged in the positioning hole.
The diameter of the positioning pin is 0.1mm smaller than that of the positioning hole in the plate.
Through the above design scheme, the utility model discloses following beneficial effect can be brought: the accurate positioning mechanism for the drawing die plate for the cold stamping die adopts the positioning device, when the plate is placed in a drawing process, the positioning pins on the plate hole and the pressing plate are positioned, the positioning pin platform is consistent with the highest point of the molded surface of the pressing plate, the stable placement of the plate can be ensured, the initial positioning of the plate is stable, in the forming process, the precedent block firstly presses the plate around the plate positioning hole, the upper die continues to move downwards to start forming, a material belt naturally extends along with the inward contraction of the plate, the position of the positioning pin does not move, the positioning in the whole forming process is stable, the stress of the positioning pin is small, the die is opened after forming, a workpiece bounces through the bouncing pin, and the workpiece is convenient to take out.
Drawings
The invention is further described with reference to the following drawings and detailed description:
fig. 1 is the utility model discloses a cold stamping die is with drawing accurate positioning mechanism local cross-sectional view of template material.
Fig. 2 is the utility model relates to a cold stamping die is with accurate positioning mechanism operating condition chart I of drawing die sheet material.
Fig. 3 is the utility model relates to a drawing die sheet material accurate positioning mechanism operating condition chart II for cold stamping die.
Fig. 4 is the utility model relates to a cold stamping die is with accurate positioning mechanism operating condition chart III of drawing die sheet material.
In the drawing, 1-a pressure plate die holder, 2-a pressure plate insert, 3-a lower die holder, 4-a lower die insert, 5-an upper die insert, 6-an upper die holder, 7-a positioning pin, 8-a plate, 9-a pilot block, 10-a nitrogen cylinder, 11-a nitrogen cylinder flange, 12-a spring ejector pin and 13-a material belt.
Detailed Description
A drawing die plate material accurate positioning mechanism for a cold stamping die is shown in figures 1-4 and comprises a press plate die holder 1, a press plate insert 2, a lower die holder 3, a lower die insert 4, an upper die insert 5, an upper die holder 6, a positioning pin 7, a plate material 8, a pilot block 9, a nitrogen cylinder 10, a nitrogen cylinder flange 11, an elastic ejector pin 12 and a material belt 13, wherein the upper die insert 5 is connected with the upper die holder 6, and the upper die holder 6 is provided with the nitrogen cylinder 10 through the nitrogen cylinder flange 11; the nitrogen cylinder 10 is connected with the pilot block 9; the lower die insert 4 is connected with the lower die base 3; the pressing plate insert 2 is connected with the pressing plate die holder 1, a positioning pin 7 is arranged on the pressing plate insert 2, and an elastic jacking pin 12 is arranged at a position close to the positioning pin 7; the plate 8 is arranged between the upper die insert 5 and the pressure plate insert 2, a positioning hole is formed in the plate 8, and a material belt 13 is arranged in the positioning hole.
The method for accurately positioning the sheet by adopting the drawing die sheet accurate positioning mechanism for the cold stamping die of the utility model comprises the following steps,
firstly, determining the shape of a plate by using CAE analysis in a process design stage;
secondly, increasing positioning holes for the plate material of the drawing die according to the shape, wherein the positioning holes are connected with the plate material 8 through bent material belts 13, the bending degree is determined according to the elongation of the formed plate material, the formed material belts 13 are ensured not to be torn, and the number of the material belts 13 is increased as much as possible under the condition that blanking and layout are met so as to increase the strength (as shown in fig. 2);
thirdly, designing a positioning device according to the positions of the material sheet and the positioning hole (as shown in figure 1), wherein the diameter of the positioning pin 7 is 0.1mm smaller than that of the positioning hole, increasing a boss at the position of the positioning pin 7 of the pressing plate insert 2, the height of the boss is equal to the highest point of the pressing plate insert 2 (as shown in figure 3), placing the sheet 8 on the boss, emptying an upper mold material belt area, driving a pilot block 9 to press the sheet by adopting a nitrogen cylinder 10, enabling the jacking height of the pilot block 9 to be higher than the highest point of an upper mold surface (as shown in figure 4), arranging an ejection pin 12 on the boss where the positioning pin 7 is located, and increasing a material positioner in other areas of the material sheet for auxiliary positioning.
Claims (2)
1. The utility model provides an accurate positioning mechanism of drawing die sheet material for cold stamping die which characterized by: the stamping die comprises a stamping die holder (1), a stamping insert (2), a lower die holder (3), a lower die insert (4), an upper die insert (5), an upper die holder (6), a positioning pin (7), a plate (8), a pilot block (9), a nitrogen cylinder (10), a nitrogen cylinder flange (11), a spring top pin (12) and a material belt (13), wherein the upper die insert (5) is connected with the upper die holder (6), and the nitrogen cylinder (10) is arranged on the upper die holder (6) through the nitrogen cylinder flange (11); the nitrogen cylinder (10) is connected with the pilot block (9); the lower die insert (4) is connected with the lower die base (3); the pressing plate insert (2) is connected with the pressing plate die holder (1), a positioning pin (7) is arranged on the pressing plate insert (2), and an ejection pin (12) is arranged at a position close to the positioning pin (7); the plate (8) is arranged between the upper die insert (5) and the pressing plate insert (2), a positioning hole is formed in the plate (8), and a material belt (13) is arranged in the positioning hole.
2. The accurate positioning mechanism of the drawing die plate material for the cold stamping die as claimed in claim 1, wherein: the diameter of the positioning pin (7) is 0.1mm smaller than that of the positioning hole in the plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221483137.3U CN217964435U (en) | 2022-06-15 | 2022-06-15 | Drawing template material accurate positioning mechanism for cold stamping die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221483137.3U CN217964435U (en) | 2022-06-15 | 2022-06-15 | Drawing template material accurate positioning mechanism for cold stamping die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217964435U true CN217964435U (en) | 2022-12-06 |
Family
ID=84269863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221483137.3U Active CN217964435U (en) | 2022-06-15 | 2022-06-15 | Drawing template material accurate positioning mechanism for cold stamping die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217964435U (en) |
-
2022
- 2022-06-15 CN CN202221483137.3U patent/CN217964435U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A precise positioning mechanism for drawing template materials used in cold stamping molds Effective date of registration: 20231222 Granted publication date: 20221206 Pledgee: Industrial and Commercial Bank of China Limited Liaoyuan Branch Pledgor: GZ TOOLING GROUP AUTOMOBILE TECHNOLOGY Co.,Ltd. Registration number: Y2023220000143 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |