CN110253017B - Nail groove seat mounting structure and nail groove seat sintering deformation prevention method - Google Patents
Nail groove seat mounting structure and nail groove seat sintering deformation prevention method Download PDFInfo
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- CN110253017B CN110253017B CN201910503118.9A CN201910503118A CN110253017B CN 110253017 B CN110253017 B CN 110253017B CN 201910503118 A CN201910503118 A CN 201910503118A CN 110253017 B CN110253017 B CN 110253017B
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- Prior art keywords
- nail groove
- groove seat
- cartridge
- seat
- nail
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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
- B22F3/10—Sintering only
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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
- B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
- B22F3/225—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by injection molding
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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
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
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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
- B22F3/10—Sintering only
- B22F2003/1042—Sintering only with support for articles to be sintered
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a nail groove seat mounting structure and a nail groove seat sintering deformation prevention method, and relates to the technical field of nail groove seat processing. The nail groove seat product is placed on a supporting piece with two steps, the temperature reduction speed of the upper cambered surface of the nail groove seat is high, the temperature reduction speed of the lower large plane of the nail groove seat is low, the two ends of the nail groove seat product are warped upwards, the downward force is formed at the upper cambered surface of the nail groove seat, the upward warping force at the two ends of the product is offset, and the problem that the nail groove seat product is sintered and warped and deformed is solved.
Description
Technical Field
The invention relates to the technical field of nail groove seat processing, in particular to a nail groove seat mounting structure and a nail groove seat sintering deformation preventing method.
Background
With the development of medical technology, medical staplers (devices used in medicine instead of manual suturing) are more and more widely applied, wherein the slot seat is used as a main component of the medical stapler and plays a key role in the anastomosis effect of the medical stapler and the recovery of wounds after a patient operation.
In order to reduce the production and processing cost of the medical anastomat and reduce the burden of a patient, a low-cost metal powder injection molding technology (MIM) is adopted for a plurality of nail groove seat products, a sintering process is a key process of the MIM process, and in the sintering process of the nail groove seat products, the nail groove seat products shrink in length from blanks to sintered blanks by 15-20%.
As shown in fig. 2, in the prior art, a support member is generally used to support and fix the slot housing, the support member 1 is configured as a plate member having a step 5, and the arc surface 21 of the slot housing 2 is placed downward, while the large plane 22 of the slot housing 2 is placed upward. Because the upper large plane 22 of the nail groove seat 2 placed on the support member 1 has a fast cooling speed, and the lower cambered surface 21 of the nail groove seat 2 has a slow cooling speed (influenced by the fast and slow heat dissipation of the support member), and the cambered surface 21 of the nail groove seat 2 supports an upward force, the product has a phenomenon that two ends of the product are warped and deformed upwards, and the prior art has the improvement.
Disclosure of Invention
In view of the above technical problems, an object of the present invention is to provide a slot seat mounting structure and a slot seat anti-sintering deformation method, wherein an arc surface of the slot seat is disposed upward and placed on a support member adapted to the slot seat, and a downward force generated at the arc surface of the slot seat counteracts an upward warping force at two ends of a product, so as to solve the problem of sintering warpage deformation at the end of the product.
In order to achieve the purpose, the invention provides the following technical scheme: a slot seat mounting structure and a slot seat anti-sintering deformation method are disclosed, wherein the slot seat mounting structure comprises a support piece matched with a slot seat for use, mounting grooves matched with the slot seat for use are formed in two opposite sides of the support piece, and a boss structure is formed in the position between the two mounting grooves of the support piece; according to the method for preventing the nail groove seat from sintering and deforming, the arc surface of the nail groove seat faces upwards and is placed on the supporting piece, the large plane of the nail groove seat is attached to the boss structure of the supporting piece, and the protruding structure at the end part of the nail groove seat is accommodated in the mounting groove.
Through adopting above-mentioned technical scheme, operating personnel when putting the slot seat product on support piece, the cambered surface of slot seat product sets up, and the big plane in bottom of slot seat product laminates in support piece's boss structure, and the protruding structure of slot seat product tip can hold in support piece's mounting groove. The nail groove seat product is placed on a supporting piece with two steps, the temperature reduction speed of the upper cambered surface of the nail groove seat is high, the temperature reduction speed of the lower large plane of the nail groove seat is low, the two ends of the nail groove seat product are warped upwards, the downward force is formed at the upper cambered surface of the nail groove seat, the upward warping force at the two ends of the product is offset, and the problem that the nail groove seat product is sintered and warped and deformed is solved.
The invention is further configured to: the mounting groove extends along the length direction of the support piece and penetrates through the support piece.
Through adopting above-mentioned technical scheme, the mounting groove runs through support piece along support piece's length direction completely, and the slot seat product is put to operating personnel of being convenient for to can put a plurality of slot seat products simultaneously on support piece.
The invention is further configured to: the mounting groove is matched with the protruding structure of the nail groove seat.
Through adopting above-mentioned technical scheme, the slot seat product is installed with support piece adaptation, is favorable to improving the installation stability of slot seat product, and the operating personnel of being convenient for simultaneously accomplishes slot seat product and support piece's installation operation.
The invention is further configured to: the nail groove seat is arranged along the width direction of the supporting piece, and the length of the nail groove seat is smaller than the total width of the supporting piece.
By adopting the technical scheme, the nail slot seat product is convenient for operators to place, and meanwhile, the stability of placing the nail slot seat product is improved.
The invention is further configured to: and the protruding structure at the end part of the nail groove seat is in butt fit with the side edge of the boss structure.
Through adopting above-mentioned technical scheme, the outstanding structure of slot seat tip and the side reason looks butt of boss structure utilize slot seat product and support piece's inherent structure promptly, reach the purpose of being convenient for operating personnel location and putting the slot seat product.
The invention is further configured to: the nail groove seats are uniformly arranged on the supporting piece at intervals.
Through adopting above-mentioned technical scheme, can put a plurality of nail groove seat products simultaneously on a support piece, be favorable to improving the sintering operating efficiency of nail groove seat product.
The invention is further configured to: the support is made of 99 alumina ceramic.
By adopting the technical scheme, the support piece made of 99 alumina ceramics is high-temperature-resistant and sintering-resistant, is not easy to deform, has a smooth surface, and can effectively support the nail groove seat product.
In conclusion, the invention has the following beneficial effects:
one is as follows: the large plane of the nail groove seat product faces downwards, the cambered surface faces upwards, the joint area of the supporting piece and the nail groove seat product is large, the temperature reduction speed of the upper cambered surface is high, the temperature reduction speed of the lower large plane is low (influenced by slow heat dissipation of the ceramic support), but the downward force of the cambered surface support counteracts the upward warping force of the two ends of the product, and the problem of warping of the two ends of the product is solved;
the second step is as follows: the nail groove seat product mounting structure is simple, the use is convenient, the risk of product sintering deformation is favorably reduced, and the yield of nail groove seat product production is improved.
Drawings
FIG. 1 is a schematic view of a keyway mounting structure;
FIG. 2 is a schematic view of a prior art keyway mounting arrangement.
Reference numerals: 1. a support member; 2. a nail groove seat; 21. a cambered surface; 22. a large plane; 3. mounting grooves; 4. a boss structure; 41. a top surface; 5. and (4) a step.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1, a nail groove seat mounting structure comprises a supporting piece 1 matched with a nail groove seat 2 for use, wherein the supporting piece 1 is of a flat plate structure, and the nail groove seat 2 can be placed on the supporting piece 1 for sintering operation. The left side and the right side of the support piece 1 are both provided with strip-shaped mounting grooves 3, and the protruding structures of the nail groove seats 2 are matched with the corresponding mounting grooves 3 for use; the mounting grooves 3 extend along the length direction of the support member 1 and penetrate through the front end and the rear end of the support member 1, and a vertically upward boss structure 4 is formed between the two mounting grooves 3, namely, steps 5 are respectively formed on the left side and the right side of the support member 1. When an operator places the nail groove seat 2 on the support member 1, the arc surface 21 of the nail groove seat 2 faces upwards, the large plane 22 faces downwards, the large plane 22 at the bottom of the product is attached to the top surface 41 of the boss structure 4, and the protruding structure at the end of the product can be accommodated in the corresponding installation groove 3.
The nail groove seat 2 is placed on the support piece 1 with the two steps 5, the temperature reduction speed of the upper cambered surface 21 of the nail groove seat 2 is high, the temperature reduction speed of the large plane 22 at the lower part of the nail groove seat 2 is low (influenced by heat transfer of the support piece made of 99 alumina ceramic), so that the two ends of the nail groove seat 2 are warped upwards, and the problem that the nail groove seat 2 is warped due to sintering is solved because downward force is formed at the upper cambered surface 21 of the nail groove seat 2 and the upward warping force at the two ends of a product is offset.
The nail groove seat 2 is placed on the support piece 1 along the width direction of the support piece 1, the length of the nail groove seat 2 is smaller than the total width of the support piece 1, and the nail groove seats 2 can be uniformly arranged on the same support piece 1 at intervals. In order to put the nail groove seat 2 for the convenience of a user, the protruding structure at the end part of the nail groove seat 2 is in butt joint with the side edge of the boss structure 4, namely the protruding structure at the end part of the nail groove seat 2 is matched with the boss structure 4 to play a role in positioning and placing.
Example two:
as shown in figure 1, a nail groove seat anti-sintering deformation method is characterized in that when an operator places a plurality of nail groove seats 2 on a support 1 along the width direction of the support 1 at uniform intervals, cambered surfaces 21 of the nail groove seats 2 face upwards, large planes 22 face downwards, the large planes 22 of the nail groove seats 2 are attached to the top surface 41 of a boss structure 4 of the support 1, meanwhile, protruding structures at the end portions of the nail groove seats 2 are accommodated in corresponding installation grooves 3, and the protruding structures at the end portions of the nail groove seats 2 abut against the side edges of the boss structure 4.
The present embodiment is further described below with reference to specific actions:
operating personnel puts a plurality of nail groove seat 2 on boss structure 4's top surface 41 along support piece 1's even interval of width direction at first, need guarantee simultaneously that a plurality of nail groove seat 2's head and the tail correspond the setting, and the cambered surface 21 of nail groove seat 2 upwards, big plane 22 is put downwards, and the bottom salient structure of nail groove seat 2 needs the butt in boss structure 4's side edge to reach the purpose that the location was put.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (7)
1. A method for preventing a nail groove seat mounting structure and a nail groove seat sintering deformation is characterized in that: the nail groove seat mounting structure comprises a supporting piece (1) matched with a nail groove seat (2) for use, mounting grooves (3) matched with the nail groove seat (2) for use are formed in two opposite sides of the supporting piece (1), and a boss structure (4) is formed in the position, between the two mounting grooves (3), of the supporting piece (1); according to the method for preventing the nail groove seat from being sintered and deformed, the arc surface (21) of the nail groove seat (2) faces upwards and is placed on the support piece (1), the large plane (22) of the nail groove seat (2) is attached to the boss structure (4) of the support piece (1), and the protruding structure at the end part of the nail groove seat (2) is accommodated in the installation groove (3).
2. A method of preventing sintering deformation of a cartridge and a cartridge mounting structure according to claim 1, wherein: the mounting groove (3) extends along the length direction of the support piece (1) and penetrates through the support piece (1).
3. A method of preventing sintering deformation of a cartridge and a cartridge mounting structure according to claim 2, wherein: the mounting groove (3) is matched with the protruding structure of the nail groove seat (2).
4. A method of preventing sintering deformation of a cartridge and a cartridge mounting structure according to claim 2, wherein: the nail groove seat (2) is arranged along the width direction of the supporting piece (1), and the length of the nail groove seat (2) is smaller than the total width of the supporting piece (1).
5. A method of preventing sintering deformation of a cartridge and a cartridge mounting structure according to claim 1, wherein: and the protruding structure at the end part of the nail groove seat (2) is in butt fit with the side edge of the boss structure (4).
6. A method of preventing sintering deformations of a cartridge and a cartridge according to any of claims 1-5, characterized by: the nail groove seats (2) are uniformly arranged on the supporting piece (1) at intervals.
7. A method of preventing sintering deformation of a cartridge and a cartridge mounting structure according to claim 1, wherein: the support (1) is made of 99 alumina ceramic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910503118.9A CN110253017B (en) | 2019-06-11 | 2019-06-11 | Nail groove seat mounting structure and nail groove seat sintering deformation prevention method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910503118.9A CN110253017B (en) | 2019-06-11 | 2019-06-11 | Nail groove seat mounting structure and nail groove seat sintering deformation prevention method |
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| Publication Number | Publication Date |
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| CN110253017A CN110253017A (en) | 2019-09-20 |
| CN110253017B true CN110253017B (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910503118.9A Active CN110253017B (en) | 2019-06-11 | 2019-06-11 | Nail groove seat mounting structure and nail groove seat sintering deformation prevention method |
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| CN114700603B (en) * | 2022-01-05 | 2023-02-28 | 中国航空制造技术研究院 | Diffusion welding method suitable for hollow layered structure part |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7914901B2 (en) * | 2006-12-19 | 2011-03-29 | Ethicon Endo-Surgery, Inc. | Support structures for molded parts |
| FR2944721B1 (en) * | 2009-04-24 | 2014-03-07 | Snecma | PROCESS FOR MANUFACTURING INJECTION MOLDING BLANCHING OF METALLIC POWDER |
| CN202282248U (en) * | 2011-11-11 | 2012-06-20 | 麦格磁电科技（珠海）有限公司 | Sagger for preventing sintering deformation of magnetic core |
| CN105079889A (en) * | 2015-09-16 | 2015-11-25 | 安徽国泰国瑞医疗科技有限公司 | High-hardness linear-cutting staple cartridge and manufacturing method thereof |
| CN208245817U (en) * | 2018-06-08 | 2018-12-18 | 惠州威博精密科技有限公司 | A kind of jig improving powder injection-molded mobile phone Kato sintering warpage |
| CN108687343A (en) * | 2018-08-02 | 2018-10-23 | 东莞市依诺电子科技有限公司 | It is a kind of to be sintered jig and its material with burning anti-deformation |
| CN208840515U (en) * | 2018-08-15 | 2019-05-10 | 上海精科粉末冶金科技有限公司 | A kind of notebook computer rotation shaft MIM irregular part sintering jig |
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