CN114472886A - Forming die and forming method for blade with multi-powder structure inside and outside - Google Patents
Forming die and forming method for blade with multi-powder structure inside and outside Download PDFInfo
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- CN114472886A CN114472886A CN202111680362.6A CN202111680362A CN114472886A CN 114472886 A CN114472886 A CN 114472886A CN 202111680362 A CN202111680362 A CN 202111680362A CN 114472886 A CN114472886 A CN 114472886A
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- 239000000843 powder Substances 0.000 title claims abstract description 93
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000003825 pressing Methods 0.000 claims description 27
- 238000000465 moulding Methods 0.000 claims description 25
- 230000007704 transition Effects 0.000 claims description 11
- 239000011159 matrix material Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 description 8
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F3/03—Press-moulding apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F3/03—Press-moulding apparatus therefor
- B22F2003/033—Press-moulding apparatus therefor with multiple punches working in the same direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a forming die and a forming method for a blade with multiple powder structures inside and outside, wherein the forming die comprises a die body, an outer upper punch, an inner upper punch, an outer lower punch, an inner lower punch and a mounting die frame, the die body is mounted on the mounting die frame and can move up and down, a die cavity is formed in the die body, the outer upper punch, the inner upper punch, the outer lower punch and the inner lower punch can move up and down to enter or leave the die cavity, the inner upper punch, the outer lower punch and the inner lower punch are matched to realize the forming of an inner base body of the blade with the multiple powder structures inside and outside, the inner base body, the outer upper punch, the die cavity, the outer lower punch and the inner lower punch are matched to realize the forming of the outer base body of the blade with the multiple powder structures inside and outside, and the forming method adopts the forming die Convenient operation and the like.
Description
Technical Field
The invention mainly relates to the field of metal cutting tool forming, in particular to a forming die with blades of multiple powder structures on the inner and outer sides and a forming method.
Background
In the powder metallurgy technology, the powder forming process is the most important process in the production of the numerical control blade. Generally, a device consisting of a die body, an upper punch and a lower punch is adopted for powder forming, but the product formed by the device has a relatively simple structure, can only be used for a cutting blade with a single base body, cannot simultaneously realize indexes such as wear resistance, impact resistance and the like, and causes the performance of the blade to be insufficient. Conventional forming devices and presses therefore cannot meet their forming requirements.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a forming die with blades of multiple powder structures inside and outside, which has good forming quality, strong applicability and simple structure, and a forming method with blades of multiple powder structures inside and outside, which has good forming quality and simple operation.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides an inside and outside forming die who has many powder structure blades, includes die body, outer punch, interior punch, outer lower punch, interior lower punch and installation die carrier, the die body is installed can reciprocate on the installation die carrier, the die cavity has been seted up on the die body, outer punch, interior punch, outer lower punch, interior lower punch all can reciprocate in order to get into or keep away from the die cavity, interior punch, outer lower punch and interior lower punch cooperation are realized the shaping of the interior base member of many powder structure blades has inside and outside, interior base member, outer punch, die cavity, outer lower punch and interior lower punch cooperation are realized the shaping of the outer base member of many powder structure blades has inside and outside.
As a further improvement of the above technical solution:
the top surface of the inner lower punch corresponds to the lower surface of the inner base body of the blade with the multi-powder structure inside and outside, the top surface of the outer lower punch corresponds to the lower surface of the outer base body of the blade with the multi-powder structure inside and outside, and the inner wall of the outer lower punch is provided with an area corresponding to the side surface of the inner base body of the blade with the multi-powder structure inside and outside.
The top surface of the inner upper punch corresponds to the upper surface of the inner base body of the blade with the multi-powder structure inside and outside, and the top surface of the outer upper punch corresponds to the upper surface of the blade with the multi-powder structure inside and outside.
And the inner wall of the die cavity is provided with an area corresponding to the side surfaces of the outer base bodies of the blades with the multi-powder structures inside and outside.
The top surface of the inner upper punch is provided with an upper core rod, the inner lower punch is embedded with a lower core rod, and the upper core rod and the lower core rod are matched to realize the molding of the central hole of the inner substrate of the blade with the multi-powder structure inside and outside.
A method for forming a blade with a multi-powder structure inside and outside adopts the forming die with the blade with the multi-powder structure inside and outside, and comprises the following steps:
s1, first filling: the outer lower punch enters the die cavity from the bottom of the die body until the top surface of the outer lower punch is flush with the upper surface of the die body, the inner lower punch is arranged at a set position in the central hole of the outer lower punch, a first pressing area is formed by the inner wall of the outer lower punch and the top surface of the inner lower punch, and inner matrix powder is filled into the first pressing area;
s2, first pressing: the inner upper punch moves downwards to enter the die cavity and continues to move downwards relative to the die body, the outer lower punch moves downwards relative to the die body, the inner lower punch moves upwards relative to the die body, and the inner upper punch, the outer lower punch and the inner lower punch reach set positions and are pressed to form a transition pressed compact;
s3, demolding for the first time: the inner upper punch moves upwards to the position above the die body, the outer lower punch moves downwards to a set position relative to the die body, and the inner lower punch moves upwards to push the transition pressed compact to move upwards to a specific position;
s4, secondary filling: the outer lower punch continuously moves downwards relative to the die body to a set position of the die cavity, a second pressing area is formed by the die cavity, the transition pressed compact, the outer lower punch and the inner lower punch, and outer matrix powder is filled into the second pressing area;
s5, second pressing: the outer upper punch moves downwards to enter the die cavity and continues to move downwards relative to the die body, the outer lower punch moves downwards until the top surface of the outer lower punch is matched with the top surface of the inner lower punch to form a forming surface with the lower surfaces of the blades with the multi-powder structures inside and outside, and a forming compact is formed by pressing;
s6, secondary demolding: the outer upper punch moves upwards to the position above the die body, the die body and the outer lower punch move downwards to the set position, and the inner lower punch moves upwards until the formed pressed compact is removed from the die body.
As a further improvement of the above technical solution:
before the step S1, the outer upper punch, the inner upper punch, the outer lower punch, and the inner lower punch are all set at initial positions.
After the step S6, the outer upper punch, the inner upper punch, the outer lower punch, and the inner lower punch are all returned to the initial positions.
Compared with the prior art, the invention has the advantages that:
(1) the forming die with the blades with the multiple powder structures inside and outside can realize the forming of the blades with different powder pressed compact structures inside and outside, can ensure the uniform powder forming of products, and the internal and external pressed compact structures are tightly connected.
(2) The forming method of the blade with the multi-powder structure inside and outside can form the blade with different powder pressed blank structures inside and outside, can ensure the uniform powder forming of the product, and the pressed blank structures inside and outside are closely connected, the double upper punches and the double lower punches can adjust the powder filling volumes of the pressed blank products inside and outside, can form the blade with the multi-powder structure inside and outside with various parameters, can effectively ensure that the formed cutting blade simultaneously considers various cutting performances, and is stable, reliable and convenient to operate.
Drawings
Fig. 1 is a perspective view showing a first embodiment of a molding die having a plurality of powder-structured blades inside and outside thereof according to the present invention.
Fig. 2 is a sectional view of the body of a first embodiment of a molding die of the present invention having a multi-powder structure blade inside and outside.
Fig. 3 is a sectional view of an outer lower punch of a first embodiment of a forming die of the present invention having blades of a multi-powder structure inside and outside.
Fig. 4 is a schematic view of a first time packing of a molding method using a first embodiment of a molding die having blades of a multi-powder structure inside and outside according to the present invention.
Fig. 5 is a schematic view of the first pressing in the molding method of the first embodiment of the molding die with blades of multiple powder structures inside and outside according to the present invention.
Fig. 6 is a schematic view of a second filling material in the molding method of the first embodiment of the molding die with blades of a multi-powder structure inside and outside according to the present invention.
Fig. 7 is a schematic view of the second pressing by the molding method of the first embodiment of the molding die with blades of multiple powder structures inside and outside according to the present invention.
Fig. 8 is a front view of a molded compact formed by the molding method of the first embodiment of the molding die having inserts of a multi-powder structure inside and outside of the invention.
Fig. 9 is a view a-a of fig. 8.
Fig. 10 is a perspective view showing a second embodiment of a molding die having blades of a multi-powder structure inside and outside according to the present invention.
Fig. 11 is a sectional view of a molded compact formed by a molding method of a second embodiment of a molding die having inserts of a multi-powder structure inside and outside according to the present invention.
The reference numerals in the figures denote:
1. a mold body; 11. a mold cavity; 12. the upper surface of the die body; 2. an outer upper punch; 3. an inner upper punch; 31. a core rod is arranged; 4. an outer lower punch; 41. a central bore; 5. an inner lower punch; 51. a lower core rod; 6. a first pressing area; 7. a second pressing area; 8. transition green compacts; 9. and (5) forming a compact.
Detailed Description
The invention will be described in further detail below with reference to the drawings and specific examples.
Fig. 1 to 3 show a first embodiment of a forming die with a multi-powder structure blade inside and outside according to the present invention, the forming die with the multi-powder structure blade inside and outside comprises a die body 1, an outer upper punch 2, an inner upper punch 3, an outer lower punch 4, an inner lower punch 5 and a mounting die carrier, the die body 1 is mounted on the mounting die carrier and can move up and down, the die body 1 is provided with a die cavity 11, the outer upper punch 2, the inner upper punch 3, the outer lower punch 4 and the inner lower punch 5 can move up and down to enter or leave the die cavity 11, the inner upper punch 3, the outer lower punch 4 and the inner lower punch 5 are matched to form an inner base body with the multi-powder structure blade inside and outside, the inner base body, the outer upper punch 2, the die cavity 11, the outer lower punch 4 and the inner lower punch 5 are matched to form an outer base body with the multi-powder structure blade inside and outside, the inner base body with the multi-powder structure blade inside and outside is formed by the inner upper punch 3, the outer lower punch 4 and the inner lower punch 5, the forming of the outer base body of the blade with the multi-powder structure is realized inside and outside through the matching of the inner base body, the outer upper punch 2, the die cavity 11, the outer lower punch 4 and the inner lower punch 5, the forming of the blades with different powder pressed compact structures inside and outside can be realized, the uniform forming of product powder can be ensured, the inner pressed compact structure and the outer pressed compact structure are closely connected, the powder filling volume of different pressed compact products inside and outside can be adjusted through the double upper punches and the double lower punch structures, the blades with the multi-powder structure can be formed inside and outside with various parameters, various cutting performances can be effectively ensured to be considered for the formed cutting blade, and the structure is simple and convenient to operate.
In this embodiment, the top surface of the inner lower punch 5 corresponds to the lower surface of the inner base of the blade having the multi-powder structure inside and outside, the top surface of the outer lower punch 4 corresponds to the lower surface of the outer base of the blade having the multi-powder structure inside and outside, and the inner wall of the outer lower punch 4 is provided with a region corresponding to the side surface of the inner base of the blade having the multi-powder structure inside and outside.
In this embodiment, the top surface of the inner upper punch 3 corresponds to the upper surface of the inner base of the blade having the multi-powder structure inside and outside, and the top surface of the outer upper punch 2 corresponds to the upper surface of the blade having the multi-powder structure inside and outside.
In this embodiment, the inner wall of the cavity 11 is provided with a region corresponding to the side surface of the outer substrate of the blade having the multi-powder structure inside and outside.
Fig. 10 shows a second embodiment of the forming die of the present invention having blades of multiple powder structures inside and outside, which is substantially the same as the first embodiment except that: in this embodiment, the upper core rod 31 is disposed on the top surface of the inner upper punch 3, the lower core rod 51 is embedded in the inner lower punch 5, and the upper core rod 31 and the lower core rod 51 cooperate to realize the molding of the central hole of the inner base body of the blade having the multi-powder structure inside and outside.
Fig. 4 to 7 show a molding method using a first embodiment of the molding die with blades having multiple powder structures inside and outside according to the present invention, the molding method including the steps of:
s1, first filling: the outer lower punch 4 enters the die cavity 11 from the bottom of the die body 1 until the top surface of the outer lower punch 4 is flush with the upper surface 12 of the die body, the inner lower punch 5 is arranged at a set position in the central hole 41 of the outer lower punch 4, a first pressing area 6 is formed by the inner wall of the outer lower punch 4 and the top surface of the inner lower punch 5, and inner matrix powder is filled into the first pressing area 6, as shown in fig. 4;
s2, first pressing: the inner upper punch 3 moves downwards to enter the die cavity 11 and continues to move downwards relative to the die body 1, the outer lower punch 4 moves downwards relative to the die body 1, the inner lower punch 5 moves upwards relative to the die body 1, and the inner upper punch 3, the outer lower punch 4 and the inner lower punch 5 reach set positions and are pressed to form a transition compact 8 as shown in fig. 5;
s3, demolding for the first time: the inner upper punch 3 moves upwards to the position above the die body 1, the outer lower punch 4 moves downwards to a set position relative to the die body 1, and the inner lower punch 5 moves upwards to push the transition pressed compact 8 to move upwards to a specific position;
s4, secondary filling: the outer lower punch 4 continuously moves downwards relative to the die body 1 to a set position of a die cavity 11, a second pressing area 7 is formed by the die cavity 11, a transition pressed compact 8, the outer lower punch 4 and the inner lower punch 5, and outer matrix powder is filled into the second pressing area 7, as shown in fig. 6;
s5, second pressing: the outer upper punch 2 moves downwards to enter the die cavity 11 and continues to move downwards relative to the die body 1, the outer lower punch 4 moves downwards until the top surface of the outer lower punch is matched with the top surface of the inner lower punch 5 to form a forming surface with the lower surfaces of the blades with the multi-powder structure inside and outside, and a formed compact 9 is formed by pressing, as shown in fig. 7;
s6, secondary demolding: the outer upper punch 2 moves upwards to the upper part of the die body 1, the die body 1 and the outer lower punch 4 move downwards to a set position, and the inner lower punch 5 moves upwards until a formed compact 9 is separated from the die body 1.
Through the forming method, the forming of different powder pressed compact structure blades can be formed inside and outside, the uniform forming of product powder can be guaranteed, the transition pressed compact 8 participates in forming the second pressing area 7 when the second-time filling and second-time pressing are carried out, the tight connection of the inside and outside pressed compact structures is guaranteed, the powder filling volumes of the inside and outside different pressed compact products can be adjusted through the double upper punch and the double lower punch structures, multiple powder structure blades can be formed inside and outside multiple parameters, multiple cutting performances can be effectively guaranteed to be taken into consideration by the formed cutting blade, and the forming method is stable and reliable and is convenient to operate.
In the present embodiment, before step S1, the outer upper punch 2, the inner upper punch 3, the outer lower punch 4, and the inner lower punch 5 are all set at initial positions.
In the present embodiment, after step S6, the outer upper punch 2, the inner upper punch 3, the outer lower punch 4, and the inner lower punch 5 are all returned to the initial positions.
Fig. 8 to 9 are structural views showing blades having multiple powder structures inside and outside formed by the forming method of the first embodiment of the forming die having blades having multiple powder structures inside and outside according to the present invention.
Fig. 11 is a view showing a structure of a blade having a multi-powder structure inside and outside formed by the forming method of the second embodiment of the forming die having a blade having a multi-powder structure inside and outside according to the present invention.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (8)
1. The utility model provides an inside and outside forming die who has many powder structure blade which characterized in that: including die body (1), outer punch (2), interior punch (3), outer lower punch (4), interior lower punch (5) and installation die carrier, die body (1) is installed can reciprocate on the installation die carrier, die cavity (11) have been seted up on die body (1), outer punch (2), interior punch (3), outer lower punch (4), interior lower punch (5) all can reciprocate in order to get into or keep away from die cavity (11), interior punch (3), outer lower punch (4) and interior lower punch (5) cooperation are realized the shaping of base member in the interior outer many powder structure blade of having of inside and outside, outer punch (2), die cavity (11), outer lower punch (4) and interior lower punch (5) cooperation are realized the shaping of the outer base member of many powder structure blade of inside and outside having.
2. The forming die with blades of multiple powder structures inside and outside according to claim 1, wherein: the top surface of the inner lower punch (5) corresponds to the lower surface of the inner base body of the blade with the multi-powder structure inside and outside, the top surface of the outer lower punch (4) corresponds to the lower surface of the outer base body of the blade with the multi-powder structure inside and outside, and the inner wall of the outer lower punch (4) is provided with an area corresponding to the side surface of the inner base body of the blade with the multi-powder structure inside and outside.
3. The forming die with blades of multiple powder structures inside and outside according to claim 2, wherein: the top surface of the inner upper punch (3) corresponds to the upper surface of the inner base body of the blade with the multi-powder structure inside and outside, and the top surface of the outer upper punch (2) corresponds to the upper surface of the blade with the multi-powder structure inside and outside.
4. The forming die with blades of multiple powder structures inside and outside according to claim 3, wherein: and the inner wall of the die cavity (11) is provided with an area corresponding to the side surfaces of the outer base bodies of the blades with the multi-powder structures inside and outside.
5. The forming die with blades having multiple powder structures inside and outside according to any one of claims 1 to 4, wherein: an upper core rod (31) is arranged on the top surface of the inner upper punch (3), a lower core rod (51) is embedded in the inner lower punch (5), and the upper core rod (31) and the lower core rod (51) are matched to realize the molding of the central hole of the inner substrate with the multi-powder structure inside and outside.
6. A method for molding a blade having a multi-powder structure inside and outside, using the molding die for a blade having a multi-powder structure inside and outside according to any one of claims 1 to 5, characterized in that: the method comprises the following steps:
s1, first filling: the outer lower punch (4) enters the die cavity (11) from the bottom of the die body (1) until the top surface of the outer lower punch (4) is flush with the upper surface (12) of the die body, the inner lower punch (5) is arranged at a set position in a central hole (41) of the outer lower punch (4), a first pressing area (6) is formed by the inner wall of the outer lower punch (4) and the top surface of the inner lower punch (5), and inner matrix powder is filled into the first pressing area (6);
s2, first pressing: the inner upper punch (3) moves downwards to enter the die cavity (11) and continues to move downwards relative to the die body (1), the outer lower punch (4) moves downwards relative to the die body (1), the inner lower punch (5) moves upwards relative to the die body (1), and the inner upper punch (3), the outer lower punch (4) and the inner lower punch (5) reach set positions and are pressed to form a transition pressed compact (8);
s3, demolding for the first time: the inner upper punch (3) moves upwards to the position above the die body (1), the outer lower punch (4) moves downwards to a set position relative to the die body (1), and the inner lower punch (5) moves upwards to push the transition pressed compact (8) to move upwards to a specific position;
s4, secondary filling: the outer lower punch (4) continuously moves downwards relative to the die body (1) to a set position of a die cavity (11), a second pressing area (7) is formed by the die cavity (11), a transition pressed compact (8), the outer lower punch (4) and the inner lower punch (5), and outer matrix powder is filled into the second pressing area (7);
s5, second pressing: the outer upper punch (2) moves downwards to enter the die cavity (11) and continues to move downwards relative to the die body (1), the outer lower punch (4) moves downwards until the top surface of the outer upper punch is matched with the top surface of the inner lower punch (5) to form a forming surface with the lower surfaces of the blades with the multi-powder structure inside and outside, and a formed pressed blank (9) is formed by pressing;
s6, secondary demolding: the outer upper punch (2) moves upwards to the position above the die body (1), the die body (1) and the outer lower punch (4) move downwards to a set position, and the inner lower punch (5) moves upwards until the formed pressed compact (9) is removed from the die body (1).
7. The method for molding a blade having a multi-powder structure inside and outside according to claim 6, wherein: before the step S1, the outer upper punch (2), the inner upper punch (3), the outer lower punch (4), and the inner lower punch (5) are all set at initial positions.
8. The method for molding a blade having a multi-powder structure inside and outside according to claim 6, wherein: after the step S6, the outer upper punch (2), the inner upper punch (3), the outer lower punch (4), and the inner lower punch (5) all return to the initial positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111680362.6A CN114472886A (en) | 2021-12-30 | 2021-12-30 | Forming die and forming method for blade with multi-powder structure inside and outside |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111680362.6A CN114472886A (en) | 2021-12-30 | 2021-12-30 | Forming die and forming method for blade with multi-powder structure inside and outside |
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| CN114472886A true CN114472886A (en) | 2022-05-13 |
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| CN113084160A (en) * | 2021-04-06 | 2021-07-09 | 株洲钻石切削刀具股份有限公司 | Alloy blade forming device and forming method thereof |
| CN215090682U (en) * | 2021-04-06 | 2021-12-10 | 株洲钻石切削刀具股份有限公司 | Inclined hole alloy blade forming device |
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2021
- 2021-12-30 CN CN202111680362.6A patent/CN114472886A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1549768A (en) * | 2001-08-30 | 2004-11-24 | ��ʽ�������ͻ�ѧ�о��� | Device for producing molded articles, and a molded article that can be produced by such device |
| JP2006305574A (en) * | 2005-04-15 | 2006-11-09 | Hitachi Powdered Metals Co Ltd | Multi-layered green compact forming method |
| WO2018221497A1 (en) * | 2017-05-29 | 2018-12-06 | 三菱マテリアル株式会社 | Powder molding press method of green compact for cutting insert, and powder molding press device |
| CN213591748U (en) * | 2020-10-29 | 2021-07-02 | 株洲钻石切削刀具股份有限公司 | Split die device |
| CN113084160A (en) * | 2021-04-06 | 2021-07-09 | 株洲钻石切削刀具股份有限公司 | Alloy blade forming device and forming method thereof |
| CN215090682U (en) * | 2021-04-06 | 2021-12-10 | 株洲钻石切削刀具股份有限公司 | Inclined hole alloy blade forming device |
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