CN214719843U - Sheet material stretching and punching die - Google Patents
Sheet material stretching and punching die Download PDFInfo
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- CN214719843U CN214719843U CN202022989906.4U CN202022989906U CN214719843U CN 214719843 U CN214719843 U CN 214719843U CN 202022989906 U CN202022989906 U CN 202022989906U CN 214719843 U CN214719843 U CN 214719843U
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- die
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- backing plate
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- 239000000463 material Substances 0.000 title claims abstract description 39
- 238000004080 punching Methods 0.000 title claims abstract description 27
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 44
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 22
- 238000003825 pressing Methods 0.000 claims description 8
- 239000002893 slag Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000007723 die pressing method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 1
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Abstract
The utility model discloses a sheet material drawing and punching die, which comprises an upper die base, a lower die base and a male die, the punching die comprises a female die, a punch, a pressure plate and a stripping block, wherein a lower backing plate is arranged on a lower die seat, an upper backing plate is arranged on the upper die seat, a male die is fixed on the lower backing plate through a fixing plate, the female die is arranged on the upper backing plate and matched with the male die to finish the drawing and forming of the side face of a product, a central hole is formed in the male die, the punch is fixed on the upper backing plate and matched with the central hole to finish the punching of the product, a first nitrogen spring is arranged on the lower die seat, the pressure plate floats between the upper die seat and the lower die seat under the action of the first nitrogen spring, the pressure plate is matched with the female die to realize the clamping of an outer ring of a sheet material, a second nitrogen spring is arranged on the upper die seat, the stripping block floats between the upper backing plate and the pressure plate under the action of the second nitrogen spring, and is matched with the male die to realize the clamping of an inner ring of the sheet material. The die has the advantages of accurate forming size, high efficiency, low cost and convenient demoulding.
Description
Technical Field
The utility model relates to a sheet material processing technology field especially relates to a tensile cut-out press of sheet material.
Background
The sheet is processed into a product as shown in fig. 2, and is generally formed by a drawing process, but the sheet has the following problems in the drawing process: on the aspect of products, the forming effect of the stretched plate is poor, and the forming size is inaccurate; in the second aspect of the process, the stretching and punching are usually performed step by step, the equipment cost is high, the processing efficiency is low, and the previous process easily affects the next process, so further improvement is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tensile cut-out press of sheet material guarantees the stretch forming effect, and accomplishes the technology of punching a hole simultaneously, improves machining efficiency.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a sheet material stretching and punching die comprises an upper die base, a lower die base, a male die, a female die, a punch, a pressure plate and a stripping block, wherein a lower base plate is arranged on the lower die base, an upper base plate is arranged on the upper die base, the male die is fixed on the lower base plate through a fixing plate, the female die is installed on the upper base plate and matched with the male die to finish the drawing and forming of the side face of a product, a central hole is formed in the male die, the punch is fixed on the upper base plate and matched with the central hole to finish the punching of the product, a first nitrogen spring is arranged on the lower die base, the pressure plate floats between the upper die base and the lower die base under the action of the first nitrogen spring, the pressure plate is matched with the female die to realize the clamping of an outer ring of a sheet material, a second nitrogen spring is arranged on the upper die base, the stripping block floats between the upper base plate and the pressure plate under the action of the second nitrogen spring, and the stripping block is matched with the male die to realize the clamping of an inner ring of the sheet material.
Particularly, the lower surface of the pressure plate is provided with an equal-height sleeve, the equal-height sleeve is limited by the lower backing plate, so that the upper stroke of the pressure plate is limited, and the lower stroke of the pressure plate is limited by the fixing plate.
In particular, the stripping block is abutted against the periphery of the punch, and the upper stroke of the stripping block is limited by the upper backing plate.
Particularly, slag discharge holes are formed in the lower base plate and the lower die base corresponding to the central holes of the male dies.
Particularly, the female die is sleeved with a female die ring, an inner guide sleeve is clamped between the female die ring and the female die ring, an inner guide pillar is arranged on the fixing plate in an upward direction, and the inner guide pillar penetrates through the material pressing plate and is matched with the inner guide sleeve.
Particularly, an outer guide sleeve is arranged on the lower die holder, an outer guide pillar is arranged on the upper die holder corresponding to the outer guide sleeve, and the outer guide pillar is matched with the outer guide sleeve.
Particularly, the lower surface of the upper die holder and/or the upper surface of the lower die holder are/is provided with limiting columns for limiting the minimum distance between the upper die holder and the lower die holder.
To sum up, the beneficial effects of the utility model are that, compared with the prior art, the tensile cut-out press of sheet material has following advantage:
(1) the material pressing plate and the material removing plate respectively act on the outer ring and the inner ring of the plate, so that the drawing effect and the punching quality are ensured, and the forming size is accurate;
(2) the stretching and punching process is completed in one-time upper die pressing action, so that the efficiency is high and the cost is low;
(3) the product can fall off from the male die and the female die conveniently under the reset action of the two nitrogen springs;
(4) simple structure, convenient operation, debugging and maintenance, and is beneficial to realizing standardization and automation.
Drawings
Fig. 1 is a schematic structural view of a sheet material stretching and punching die provided in an embodiment of the present invention;
fig. 2 is a schematic drawing of drawing and punching the sheet material provided by the embodiment of the present invention.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Referring to fig. 1 and 2, the present embodiment provides a sheet stretching and punching die, which includes an upper die holder 1, a lower die holder 2, a male die 3, a female die 4, a punch 5, a material pressing plate 6, and a material stripping block 7.
The lower die holder 2 is provided with a lower backing plate 8, the upper die holder 1 is provided with an upper backing plate 9, the male die 3 is fixed on the lower backing plate 8 through a fixing plate 10, and the female die 4 is installed on the upper backing plate 9 and matched with the male die 3 to finish the drawing forming of the side face of the product. Particularly, in the case of the situation that the rebound phenomenon is obvious, the stretching increment can be set, and the rebound quantity is reserved.
The male die 3 is provided with a center hole 11, and the punch 5 is fixed on the upper backing plate 9 and matched with the center hole 11 to complete product punching.
Be provided with first nitrogen spring 12 on the die holder 2, the pressure flitch 6 is floated between upper die base 1 and die holder 2 by the effect of first nitrogen spring 12, and pressure flitch 6 and die 4 cooperation realize that the sheet material outer lane presss from both sides tightly.
The upper die holder 1 is provided with a second nitrogen spring 13, the stripping block 7 floats between the upper backing plate 9 and the material pressing plate 6 under the action of the second nitrogen spring 13, and the stripping block 7 is matched with the male die 3 to clamp the inner ring of the plate material.
The equal-height sleeve 14 is arranged on the lower surface of the pressure plate 6, the equal-height sleeve 14 is limited by the lower backing plate 8, so that the upper stroke of the pressure plate 6 is limited, and the lower stroke of the pressure plate 6 is limited by the fixing plate 10.
The stripping block 7 is attached to the periphery of the punch 5, and the upper stroke of the stripping block 7 is limited by an upper backing plate 9.
The lower backing plate 8 and the lower die holder 2 are provided with slag discharge holes 15 corresponding to the central hole 11 of the male die 3.
The female die 4 is sleeved with a female die ring 16, an inner guide sleeve 17 is clamped between the female die ring and the female die ring, an inner guide post 18 is arranged on the fixing plate 10 in an upward direction, and the inner guide post 18 penetrates through the pressure plate 6 and is matched with the inner guide sleeve 17.
An outer guide sleeve 19 is arranged on the lower die holder 2, an outer guide pillar 20 is arranged on the upper die holder 1 corresponding to the outer guide sleeve 19, and the outer guide pillar 20 is matched with the outer guide sleeve 19.
And the lower surface of the upper die holder 1 and/or the upper surface of the lower die holder 2 are/is provided with limiting columns 21 for limiting the minimum distance between the upper die holder and the lower die holder.
The specific operation process comprises the following steps:
firstly, in an initial state, the pressure plate 6 is jacked up by the first nitrogen spring 12 and limited by the equal-height sleeve 14, and the pressure plate 6 is processed into a stressed state along the direction of the inner guide post 18; the stripping block 7 is ejected out under the action of a second nitrogen spring 13; the outer guide post 20 is matched with the outer guide sleeve 19 to form guide; the pressure plate 6 is not in contact with the female die 4; placing the initial plate material on a pressure plate 6;
secondly, along with the downward movement of the upper die holder 1, the female die 4 firstly presses against the material pressing plate 6, the outer ring of the plate is pressed, the first nitrogen spring 12 is compressed, and the plate is gradually contacted with the male die 3; the stripping block 7 and the male die 3 are pressed oppositely, the inner ring of the plate is pressed, the second nitrogen spring 13 is compressed, and drawing begins;
thirdly, before the quick stretching is finished, the punch 5 enters the central hole 11 of the female die 4, and the punching is finished while the stretching is in place;
fourthly, the upper die holder 1 finishes moving, the limiting column 21 acts, the pressure plate 6 is in contact with the fixed plate 10, and the die is blocked;
and fifthly, the product is ejected out of the male die 3 by the material pressing plate 6 along with the lifting of the upper die holder 1, and then is ejected out of the female die 4 by the material stripping block 7.
In conclusion, the material pressing plate and the material removing plate in the plate material stretching and punching die respectively act on the outer ring and the inner ring of the plate material, so that the drawing effect and the punching quality are ensured, and the forming size is accurate; the stretching and punching process is completed in one-time upper die pressing action, so that the efficiency is high and the cost is low; the product can fall off from the male die and the female die conveniently under the reset action of the two nitrogen springs; simple structure, convenient operation, debugging and maintenance, and is beneficial to realizing standardization and automation.
The above embodiments have been merely illustrative of the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and does not depart from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A sheet material stretching and punching die is characterized by comprising an upper die holder, a lower die holder, a male die, a female die, a punch, a pressure plate and a stripping block, wherein a lower backing plate is arranged on the lower die holder, an upper backing plate is arranged on the upper die holder,
the male die is fixed on the lower backing plate through a fixing plate, the female die is arranged on the upper backing plate and matched with the male die to finish the drawing forming of the side surface of the product,
the male die is provided with a central hole, the punch is fixed on the upper backing plate and matched with the central hole to complete product punching,
the lower die holder is provided with a first nitrogen spring, the pressure plate floats between the upper die holder and the lower die holder under the action of the first nitrogen spring, the pressure plate is matched with the female die to realize the clamping of the outer ring of the plate material,
the upper die base is provided with a second nitrogen spring, the stripping block floats between the upper backing plate and the material pressing plate under the action of the second nitrogen spring, and the stripping block is matched with the male die to clamp the inner ring of the plate.
2. The sheet material drawing-and-punching die of claim 1, wherein: the lower surface of the pressure plate is provided with an equal-height sleeve, the equal-height sleeve is limited by the lower backing plate, so that the upper stroke of the pressure plate is limited, and the lower stroke of the pressure plate is limited by the fixing plate.
3. The sheet material drawing-and-punching die of claim 1, wherein: the stripping block is attached to the periphery of the punch, and the upper stroke of the stripping block is limited by the upper backing plate.
4. The sheet material drawing-and-punching die of claim 1, wherein: and the lower base plate and the lower die base are provided with slag discharge holes corresponding to the central holes of the male dies.
5. The sheet material drawing-and-punching die of claim 1, wherein: the die is sleeved with a die ring, an inner guide sleeve is clamped between the die ring and the die ring, an inner guide pillar is arranged on the fixing plate in an upward direction, and the inner guide pillar penetrates through the pressure plate and is matched with the inner guide sleeve.
6. The sheet material drawing-and-punching die of claim 1, wherein: the lower die holder is provided with an outer guide sleeve, the upper die holder is provided with an outer guide pillar corresponding to the outer guide sleeve, and the outer guide pillar is matched with the outer guide sleeve.
7. The sheet material drawing-and-punching die of claim 1, wherein: and the lower surface of the upper die holder and/or the upper surface of the lower die holder are/is provided with limiting columns for limiting the minimum distance between the upper die holder and the lower die holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022989906.4U CN214719843U (en) | 2020-12-10 | 2020-12-10 | Sheet material stretching and punching die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022989906.4U CN214719843U (en) | 2020-12-10 | 2020-12-10 | Sheet material stretching and punching die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214719843U true CN214719843U (en) | 2021-11-16 |
Family
ID=78631858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022989906.4U Active CN214719843U (en) | 2020-12-10 | 2020-12-10 | Sheet material stretching and punching die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214719843U (en) |
-
2020
- 2020-12-10 CN CN202022989906.4U patent/CN214719843U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231117 Address after: 214000, 158 Ouyang Road, Qianqiao Street, Huishan District, Wuxi City, Jiangsu Province Patentee after: Jiangsu Xiling Precision Manufacturing Co.,Ltd. Address before: 214153 miaotangqiao, Qianqiao supporting area, Huishan Economic Development Zone, Wuxi City, Jiangsu Province Patentee before: KAILONG HIGH TECHNOLOGY Co.,Ltd. |