CN201338046Y - Silicon sheet stamping device - Google Patents
Silicon sheet stamping device Download PDFInfo
- Publication number
- CN201338046Y CN201338046Y CNU2009200039379U CN200920003937U CN201338046Y CN 201338046 Y CN201338046 Y CN 201338046Y CN U2009200039379 U CNU2009200039379 U CN U2009200039379U CN 200920003937 U CN200920003937 U CN 200920003937U CN 201338046 Y CN201338046 Y CN 201338046Y
- Authority
- CN
- China
- Prior art keywords
- stamping
- blanking
- die
- tightening ring
- out chamber
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a silicon sheet stamping device, which comprises a die mounting rack and a stamped sheet blanking female die, the cavity of the blanking female die is a blanking female die stamping cavity, the stamped sheet blanking female die is arranged on the die mounting rack through a female die fixing plate, the lower portion of the blanking die female die is provided with a tightening ring, the tightening ring is provided with a tightening stamping cavity which is communicated with a blanking female die stamped sheet stamping cavity, the tightening ring is fixedly arranged on a lower tie-plate under the female die fixing plate, the lower tie-plate is fixed on the die mounting rack, the inner diameter of the tightening stamping cavity is smaller than the inner diameter of the blanking female die stamping cavity. The inner diameter of the tightening stamping cavity is smaller than the inner diameter of the blanking female die stamping cavity by 0.01-0.03 mm. The height of the tightening ring is 20-40 mm. The device can utilize the tightening ring to improve the planeness of stamped steel, solves the problem that the planeness of the stamped steel is very poor because of materials and the stamping integral blanking.
Description
Technical field
The utility model relates in a kind of silicon steel sheet stamping-out industry, the blanking apparatus of low-power machine rotor and all kinds of diffusing sheets.
Background technology
At present, in the silicon steel sheet stamping-out industry, require more and more higher at home for the punching flatness.The flatness of punching can influence the electrical property that shakes after the assembling of sheet machine transplanting of rice sheet efficient and iron core for transformer core; For motor rotor punching sheet, when causing injection moulding, the bad meeting of flatness scraps.And the thin plate stamping-out all may cause the punching flatness overproof because of various factors such as the reason of material own and slitting itemize, mould blade clearances.Therefore, the high request for the punching flatness has become the especially a great problem of high grade silicon steel sheet stamping-out of thin plate stamping-out.
The utility model content
The utility model technical issues that need to address just are to overcome existing silicon steel sheet blanking apparatus and easily cause the overproof defective of punching flatness, a kind of silicon steel sheet blanking apparatus is provided, it can utilize tightening ring to improve the punching flatness, has solved the overproof problem of punching flatness that causes because of the whole blanking of material cause and stamping-out.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of silicon steel sheet blanking apparatus of the utility model, described blanking apparatus comprises a mould installing rack and a punching blanking die, described blanking die inner chamber is blanking die stamping-out chamber, and described punching blanking die is installed on the mould installing rack by die block; Described blanking die below is provided with a tightening ring, described tightening ring is provided with that one and blanking die punching stamping-out chamber communicate tightens up the stamping-out chamber, described tightening ring is fixedly installed on the lower bolster that is arranged on the die block below, and described lower bolster is fixed on the mould installing rack; It is described that to tighten up stamping-out chamber internal diameter littler than blanking die stamping-out chamber internal diameter.
The described stamping-out chamber internal diameter that tightens up is than the little 0.01～0.03mm of blanking die stamping-out chamber internal diameter.
Described tightening ring height is 20～40mm.Described tightening ring is an anti-abrasive material, hardness 〉=HRC60, and surface smoothness is more than 0.8.To increase the service life of tightening ring.
The course of work of the present utility model is: the utility model increases tightening ring under the mould die, it is more smaller than blanking die stamping-out chamber internal diameter to tighten up stamping-out chamber internal diameter, can be subjected to the resistance that tightens up of tightening ring when the product behind the stamping and blanking is through tightening ring like this, resist product that whole blanking causes to recessed bent distortion, impel smooth that product becomes under stamping press and the strength effect of tightening up two kinds of different directions of resistance.The punching flatness can produce tangible improvement.
The utility model tightening ring is with respect to less than normal the falling flat of win amount excessively of die, cross conference and cause the product plucking, influence product appearance and size, the utility model is through research test repeatedly, it is proper in 0.01～0.03mm scope to determine that this crosses the win value, exceeds this scope and all falls flat.
The utility model also has requirement to the tightening ring height simultaneously, and highly deficiency also can't reach the purpose of improving flatness, and the utility model is tested after deliberation, and the utility model tightening ring height should be controlled in 20～40mm scope respond well.
The utility model is simple in structure, and less investment takes effect obviously, and silicon steel punching and the improvement of progressive die product flatness are had promotional value widely.
Description of drawings
Fig. 1 is the utility model structural representation.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model embodiment is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of silicon steel sheet blanking apparatus of the utility model, described blanking apparatus comprises a mould installing rack 5 and a punching blanking die 1, and described blanking die inner chamber is blanking die stamping-out chamber, and described punching blanking die is installed on the mould installing rack by die block 2; Described blanking die below is provided with a tightening ring 4, described tightening ring is provided with that one and blanking die punching stamping-out chamber communicate tightens up the stamping-out chamber, described tightening ring is fixedly installed on the lower bolster 3 that is arranged on the die block below, and described lower bolster is fixed on the mould installing rack; It is described that to tighten up stamping-out chamber internal diameter littler than blanking die stamping-out chamber internal diameter.
The described stamping-out chamber internal diameter that tightens up is than the little 0.01～0.03mm of blanking die stamping-out chamber internal diameter.
Described tightening ring height is 20～40mm.Described tightening ring is an anti-abrasive material, hardness 〉=HRC60, and surface smoothness is more than 0.8.To increase the service life of tightening ring.
The course of work of the present utility model is: punching 6 is by blanking die stamping-out chamber and tighten up the stamping-out chamber and carry out stamping-out, the utility model increases tightening ring under blanking die, it is more smaller than blanking die stamping-out chamber internal diameter to tighten up stamping-out chamber internal diameter, can be subjected to the resistance that tightens up of tightening ring when the punching behind the stamping and blanking is through tightening ring like this, resist product that whole blanking causes to recessed bent distortion, impel smooth that product becomes under stamping press and the strength effect of tightening up two kinds of different directions of resistance.The punching flatness can produce tangible improvement.
Tighten up excessively win amount less than normal fall flat of stamping-out chamber internal diameter with respect to blanking die stamping-out chamber internal diameter, cross conference and cause the product plucking, influence product appearance and size, through research test repeatedly, it is proper in 0.01～0.03mm scope that the utility model determines that this crosses the win value, exceeds this scope and all fall flat.
The utility model also has requirement to the tightening ring height simultaneously, and highly deficiency also can't reach the purpose of improving flatness, test after deliberation, and the utility model tightening ring height should be controlled in 20～40mm scope respond well.
The utility model is simple in structure, and less investment takes effect obviously, and silicon steel punching and the improvement of progressive die product flatness are had promotional value widely.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (3)
1, a kind of silicon steel sheet blanking apparatus, it is characterized in that: described blanking apparatus comprises a mould installing rack and a punching blanking die, described blanking die inner chamber is blanking die stamping-out chamber, and described punching blanking die is installed on the mould installing rack by die block; Described blanking die below is provided with a tightening ring, described tightening ring is provided with that one and blanking die punching stamping-out chamber communicate tightens up the stamping-out chamber, described tightening ring is fixedly installed on the lower bolster that is arranged on the die block below, and described lower bolster is fixed on the mould installing rack; It is described that to tighten up stamping-out chamber internal diameter littler than blanking die stamping-out chamber internal diameter.
2, silicon steel sheet blanking apparatus as claimed in claim 1 is characterized in that: the described stamping-out chamber internal diameter that tightens up is than the little 0.01～0.03mm of blanking die stamping-out chamber internal diameter.
3, silicon steel sheet blanking apparatus as claimed in claim 2 is characterized in that: described tightening ring height is 20～40mm, and described tightening ring is an anti-abrasive material, hardness 〉=HRC60, and surface smoothness is more than 0.8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200039379U CN201338046Y (en) | 2009-01-21 | 2009-01-21 | Silicon sheet stamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200039379U CN201338046Y (en) | 2009-01-21 | 2009-01-21 | Silicon sheet stamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201338046Y true CN201338046Y (en) | 2009-11-04 |
Family
ID=41233581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200039379U Expired - Fee Related CN201338046Y (en) | 2009-01-21 | 2009-01-21 | Silicon sheet stamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201338046Y (en) |
-
2009
- 2009-01-21 CN CNU2009200039379U patent/CN201338046Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xiamen Jiaxin Precise Metal Co., Ltd. Assignor: Jiangyin Huxin Electrical Appliance Co., Ltd. Contract fulfillment period: 2009.12.3 to 2014.12.2 Contract record no.: 2009351000111 Denomination of utility model: Silicon sheet stamping device Granted publication date: 20091104 License type: Exclusive license Record date: 20091208 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.12.3 TO 2014.12.2; CHANGE OF CONTRACT Name of requester: XIAMEN JIAXIN PRECISION METAL CO., LTD. Effective date: 20091208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091104 Termination date: 20170121 |