CN103042214A - Fastening structure for tool for powder compacting of magnetic materials - Google Patents
Fastening structure for tool for powder compacting of magnetic materials Download PDFInfo
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- CN103042214A CN103042214A CN201210569031XA CN201210569031A CN103042214A CN 103042214 A CN103042214 A CN 103042214A CN 201210569031X A CN201210569031X A CN 201210569031XA CN 201210569031 A CN201210569031 A CN 201210569031A CN 103042214 A CN103042214 A CN 103042214A
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Abstract
The invention discloses a fastening structure for a tool for powder compacting of magnetic materials. The fastening structure comprises two connecting holes and a countersunk hexagon socket screw. The connecting holes are arranged on two first workpieces respectively. Each connecting hole penetrates through the corresponding first workpiece and comprises a first groove part and a first through hole part having a smooth inner wall, wherein the cross sectional area of the first groove part is larger than that of the first through hole part. A shank part of the countersunk hexagon socket screw penetrates through the connecting holes of the two first workpieces. A countersunk part of the countersunk hexagon socket screw is located in one first groove part, and a nut is tightened to the other end of the countersunk part and located in the other first groove part. The fastening structure is used for tool assembly, is effective in fastening and is of no effect on tool application. In addition, manufacturing efficiency of moulds and dies is increased.
Description
Technical field
The present invention relates to magnetic material mould field, relate in particular to the compressing fastening structure with mould of a kind of magnetic material powder.
Background technology
Magnetic material powder is compressing to be connected to form by template (being the die cavity part) with mould.Mould need to add under the environment of high-intensity magnetic field compressing to magnetic material powder outside, for guaranteeing the direction uniformity in magnetic field, the template of different directions need adopt different mold materials, the material requirements magnetic conductivity of template that is the parallel magnetic field direction is low, and the material requirements magnetic conductivity of the template of vertical magnetic field direction is high.The template of above-mentioned vertical magnetic field direction needs to be close to the electromagnet cartridge when mounted.In the prior art, the connection between the die cavity part of mould mainly is to be threaded connection realization, and namely processing screw hole on the die cavity part connects with screw rod again.Because die surface hardness General Requirements HRC〉50, and as material hardness HRC 20 the time manual tapping be not easy to realize, then punch and heat-treat again after the tapping therefore the process of die cavity part is first roughing.
Summary of the invention
For above-mentioned technical problem, the invention provides the compressing fastening structure with mould of a kind of magnetic material powder, this fastening structure adopts the countersunk head hexagon socket head cap screw to be fastenedly connected two the first workpiece, nut enters in the first groove part, guarantee on the one hand the firm connection of two the first workpiece, and the first throughhole portions and the second through hole all have smooth inwall, do not need machining internal thread, have improved the efficient that mould is made.
Technical scheme provided by the invention is:
The compressing fastening structure with mould of a kind of magnetic material powder comprises:
Two connecting holes, described two connecting holes are opened in respectively on two the first workpiece, each connecting hole runs through its first workpiece, and the first throughhole portions that includes the first groove part and have smooth inner wall, and the cross-sectional area of its first groove part is greater than the cross-sectional area of its first throughhole portions;
The countersunk head hexagon socket head cap screw, the screw portion of described countersunk head hexagon socket head cap screw passes the connecting hole of two the first workpiece, the countersunk head of described countersunk head hexagon socket head cap screw partly is positioned at one of them first groove part, and the other end has screwed a nut, and described nut is positioned at another the first groove part.
Preferably, the compressing fastening structure with mould of described magnetic material powder also comprises: the second through hole, it is opened on the second workpiece, have smooth inwall, run through described second workpiece, and the dead in line of the axis of described the second through hole and two the first throughhole portions; Described screw rod sequentially passes the connecting hole of the connecting hole of one of them the first workpiece, described the second through hole and another the first workpiece, the countersunk head of described countersunk head hexagon socket head cap screw partly is positioned at one of them first groove part, the other end has screwed a nut, and described nut is positioned at another the first groove part.
Preferably, described magnetic material powder is compressing, and described nut is hexagon with in the fastening structure of mould, and described another first groove part is circle, hexagon or long trough.
Preferably, described magnetic material powder is compressing with in the fastening structure of mould, the first groove part of arbitrary connecting hole and the dead in line of its first throughhole portions.
Preferably, described magnetic material powder is compressing with in the fastening structure of mould, and each connecting hole also comprises the second groove part that is communicated with its first throughhole portions; Two ends of described second workpiece are provided with a protuberance in the position of described the second through hole, and each protuberance is positioned at each second groove part.
Preferably, described magnetic material powder is compressing with in the fastening structure of mould, and described the second groove is linear groove always, and its cross section is rectangle.
Preferably, described magnetic material powder is compressing with in the fastening structure of mould, and the degree of depth of described another the first groove part is more than or equal to the height that is positioned at its inner nut.
The present invention includes connecting hole, connecting hole is opened on the first workpiece, and connecting hole comprises the first groove part and have the first throughhole portions of smooth inner wall, and by the connecting hole of two the first workpiece, nut is positioned at the first groove part to screw rod successively.The present invention has realized the assembling of mould, has good fastening effect, and does not affect the application of mould.Simultaneously, the present invention has improved the manufacturing efficient of mould.
Description of drawings
Fig. 1 is the structural representation of mould of the present invention;
Fig. 2 is the top view of mould of the present invention;
Fig. 3 is the structural representation of the connecting rod of mould of the present invention;
The specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing, can implement according to this with reference to the specification literal to make those skilled in the art.
Such as Fig. 1, Fig. 2 and shown in Figure 3, the invention provides the compressing fastening structure with mould of a kind of magnetic material powder, comprise: two connecting holes, described two connecting holes are opened in respectively on two the first workpiece, each connecting hole runs through its first workpiece, and the first throughhole portions that includes the first groove part and have smooth inner wall, and the cross-sectional area of its first groove part is greater than the cross-sectional area of its first throughhole portions; The countersunk head hexagon socket head cap screw, the screw portion of described countersunk head hexagon socket head cap screw passes the connecting hole of two the first workpiece, the countersunk head of described countersunk head hexagon socket head cap screw partly is positioned at one of them first groove part, and the other end has screwed a nut, and described nut is positioned at another the first groove part.
The compressing fastening structure with mould of described magnetic material powder, also comprise: the second through hole, it is opened on the second workpiece, has smooth inwall, run through described second workpiece, and the dead in line of the axis of described the second through hole and two the first throughhole portions; Described screw rod sequentially passes the connecting hole of the connecting hole of one of them the first workpiece, described the second through hole and another the first workpiece, the countersunk head of described countersunk head hexagon socket head cap screw partly is positioned at one of them first groove part, the other end has screwed a nut, and described nut is positioned at another the first groove part.
Described magnetic material powder is compressing, and described nut is hexagon with in the fastening structure of mould, and described another first groove part is circle, hexagon or long trough.
Described magnetic material powder is compressing with in the fastening structure of mould, the first groove part of arbitrary connecting hole and the dead in line of its first throughhole portions.
Described magnetic material powder is compressing with in the fastening structure of mould, and each connecting hole also comprises the second groove part that is communicated with its first throughhole portions; Two ends of described second workpiece are provided with a protuberance in the position of described the second through hole, and each protuberance is positioned at each second groove part.
Described magnetic material powder is compressing with in the fastening structure of mould, and described the second groove is linear groove always, and its cross section is rectangle.
Described magnetic material powder is compressing with in the fastening structure of mould, and the degree of depth of described another the first groove part is more than or equal to the height that is positioned at its inner nut.
Embodiment one
The main body of mould is formed by connecting by two the first templates 1 and two the second templates 2, and the first template is connected with the second template by fastening structure of the present invention.And the first template is the member that mould need to be close to electromagnet cartridge 3 when installing.The first template and the second template have formed die cavity.Wherein, the material of the first template is the Cr12MOV material, is magnetic material, and the second template is the 70Mn material.In the end of the second template protuberance 10 is set, below the first throughhole portions 5 of the first template the second groove part 9 is set, protuberance enters to the second groove part, forms joinery and its construction, so that the first template is with to be connected the connection of template more fastening.
In the present embodiment, the first workpiece is the first template, and second workpiece is the second template.
For the first template, the first groove part 7 and the first throughhole portions 5, the first throughhole portions that only need to process connecting hole 6 thereon have smooth inwall, and therefore, the first workpiece can adopt have been finished heat treated materials processing and make.The second template also is so, and the second through hole 8 that processing thereon has a smooth inner wall just can be realized itself and being connected of the first workpiece.
Nut 4 is plain nut, is hexagon.For easy to process, another first groove part that above-mentioned nut is corresponding can be used circular counter sink, but in order to tighten in rotation or to looser a bolt, prevents that nut from together rotating at 11 o'clock, can adopt special-shaped counter sink, such as hexagonal counter sink or elongated slot counter sink.Nut is positioned at another the first groove part, does not protrude from the surface of the first corresponding template, does not affect the applying of this first template and electromagnet cartridge.
For the material without Overheating Treatment, can adopt milling cutter rapid processing the first groove part and the first throughhole portions, then the first workpiece is heat-treated.Metal material for heat-treatment hardness HRC＜60 can adopt the alloy milling cutter to process the first groove part and the first throughhole portions.In irregular shape for the first groove part, the hexagonal that is shaped as such as nut can adopt spark machined.
Embodiment two
Pressure head is set above die cavity, and pressure head 12 is connected to press apparatus by connecting rod 13, and the dovetail groove by tightening up connecting rod is to reach the effect of fastening pressure head 10.The fastening structure of above-mentioned connecting rod and pressure head also can adopt fastening structure of the present invention.As shown in Figure 3, connecting rod about two parts connect by fastening structure.Two left part 14 and right side parts 15 that the first workpiece is connecting rod in the present embodiment, in above-mentioned left part and right side part connecting hole 6 is set all, bolt 11 passes two connecting holes, and countersunk head partly is positioned at first groove, and nut is positioned at another the first groove part.
Although embodiment of the present invention are open as above, but it is not restricted to listed utilization in specification and the embodiment, it can be applied to various suitable the field of the invention fully, for those skilled in the art, can easily realize other modification, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend of describing.
Claims (7)
1. the compressing fastening structure with mould of magnetic material powder is characterized in that, comprising:
Two connecting holes, described two connecting holes are opened in respectively on two the first workpiece, each connecting hole runs through its first workpiece, and the first throughhole portions that includes the first groove part and have smooth inner wall, and the cross-sectional area of its first groove part is greater than the cross-sectional area of its first throughhole portions;
The countersunk head hexagon socket head cap screw, the screw portion of described countersunk head hexagon socket head cap screw passes the connecting hole of two the first workpiece, the countersunk head of described countersunk head hexagon socket head cap screw partly is positioned at one of them first groove part, and the other end has screwed a nut, and described nut is positioned at another the first groove part.
2. the compressing fastening structure with mould of magnetic material powder as claimed in claim 1, it is characterized in that, also comprise: the second through hole, it is opened on the second workpiece, has smooth inwall, run through described second workpiece, and the dead in line of the axis of described the second through hole and two the first throughhole portions; Described screw rod sequentially passes the connecting hole of the connecting hole of one of them the first workpiece, described the second through hole and another the first workpiece, the countersunk head of described countersunk head hexagon socket head cap screw partly is positioned at one of them first groove part, the other end has screwed a nut, and described nut is positioned at another the first groove part.
3. the compressing fastening structure with mould of magnetic material powder as claimed in claim 1 is characterized in that, described nut is hexagon, and described another first groove part is circle, hexagon or long trough.
4. the compressing fastening structure with mould of magnetic material powder as claimed in claim 1 is characterized in that the first groove part of arbitrary connecting hole and the dead in line of its first throughhole portions.
5. the compressing fastening structure with mould of magnetic material powder as claimed in claim 1 is characterized in that, each connecting hole also comprises the second groove part that is communicated with its first throughhole portions; Two ends of described second workpiece are provided with a protuberance in the position of described the second through hole, and each protuberance is positioned at each second groove part.
6. the compressing fastening structure with mould of magnetic material powder as claimed in claim 4 is characterized in that, described the second groove is linear groove always, and its cross section is rectangle.
7. such as the compressing fastening structure with mould of each described magnetic material powder in the claim 1 to 6, it is characterized in that, the degree of depth of described another the first groove part is more than or equal to the height that is positioned at its inner nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210569031.XA CN103042214B (en) | 2012-12-24 | 2012-12-24 | Fastening structure for tool for powder compacting of magnetic materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210569031.XA CN103042214B (en) | 2012-12-24 | 2012-12-24 | Fastening structure for tool for powder compacting of magnetic materials |
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| Publication Number | Publication Date |
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| CN103042214A true CN103042214A (en) | 2013-04-17 |
| CN103042214B CN103042214B (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210569031.XA Active CN103042214B (en) | 2012-12-24 | 2012-12-24 | Fastening structure for tool for powder compacting of magnetic materials |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108973205A (en) * | 2017-06-02 | 2018-12-11 | 自贡硬质合金有限责任公司 | A kind of special-shaped product molding die and its assembly method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2923293Y (en) * | 2006-06-20 | 2007-07-18 | 宁波科田磁业有限公司 | Formation mould for pressing magnetic material powder |
| CN201115879Y (en) * | 2007-11-08 | 2008-09-17 | 郭德明 | Combined hole drilling prelocalization tool |
| CN101474780A (en) * | 2009-01-06 | 2009-07-08 | 付栋先 | Device for quickly clamping wire |
| CN101551089A (en) * | 2008-03-31 | 2009-10-07 | 深圳市海洋王照明科技股份有限公司 | Anti-loosing locking structure and projection lamp provided with same |
| CN203076581U (en) * | 2012-12-24 | 2013-07-24 | 中铝广西有色金源稀土股份有限公司 | Fastening structure of mold for compression molding of magnetic material powder |
-
2012
- 2012-12-24 CN CN201210569031.XA patent/CN103042214B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2923293Y (en) * | 2006-06-20 | 2007-07-18 | 宁波科田磁业有限公司 | Formation mould for pressing magnetic material powder |
| CN201115879Y (en) * | 2007-11-08 | 2008-09-17 | 郭德明 | Combined hole drilling prelocalization tool |
| CN101551089A (en) * | 2008-03-31 | 2009-10-07 | 深圳市海洋王照明科技股份有限公司 | Anti-loosing locking structure and projection lamp provided with same |
| CN101474780A (en) * | 2009-01-06 | 2009-07-08 | 付栋先 | Device for quickly clamping wire |
| CN203076581U (en) * | 2012-12-24 | 2013-07-24 | 中铝广西有色金源稀土股份有限公司 | Fastening structure of mold for compression molding of magnetic material powder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108973205A (en) * | 2017-06-02 | 2018-12-11 | 自贡硬质合金有限责任公司 | A kind of special-shaped product molding die and its assembly method |
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|---|---|
| CN103042214B (en) | 2015-04-01 |
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Address after: 542603 Wanggao Industrial Development Zone, Hezhou, the Guangxi Zhuang Autonomous Region Patentee after: Chinalco Jinyuan Rare-Earth Co., Ltd. Address before: 542603 Wanggao Industrial Development Zone, Hezhou, the Guangxi Zhuang Autonomous Region Patentee before: Chinalco Jinyuan Rare-Earth Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 542603 Wanggao Industrial Development Zone, Hezhou, the Guangxi Zhuang Autonomous Region Patentee after: China Rare Earth (Guangxi) Jinyuan rare earth new material Co., Ltd Address before: 542603 Wanggao Industrial Development Zone, Hezhou, the Guangxi Zhuang Autonomous Region Patentee before: CHINALCO GUANGXI COLORED JINYUAN RARE EARTH Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |