CN203076581U - Fastening structure of mold for compression molding of magnetic material powder - Google Patents
Fastening structure of mold for compression molding of magnetic material powder Download PDFInfo
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- CN203076581U CN203076581U CN 201220722149 CN201220722149U CN203076581U CN 203076581 U CN203076581 U CN 203076581U CN 201220722149 CN201220722149 CN 201220722149 CN 201220722149 U CN201220722149 U CN 201220722149U CN 203076581 U CN203076581 U CN 203076581U
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- fastening structure
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- magnetic material
- mould
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Abstract
The utility model discloses a fastening structure of a mold for compression molding of magnetic material powder. The fastening structure comprises two connecting holes and a countersunk hexagon socket screw. The two connecting holes are formed in 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 with a smooth inner wall, and the cross sectional area of the first groove part is larger than that of the first through hole part. A screw stem 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, a nut is screwed at the other end of the countersunk hexagon socket screw, and the nut is located in the other first groove part. The fastening structure achieves assembly of the mold, has a good fastening effect and does not affect application of the mold. In addition, the fastening structure improves manufacturing efficiency of the mold.
Description
Technical field
The utility model relates to magnetic material mould field, relates in particular to the fastening structure of a kind of magnetic material powder compression moulding with mould.
Background technology
Magnetic material powder compression moulding is connected to form by template (being the die cavity part) with mould.Mould need add under the environment of high-intensity magnetic field outside to magnetic material powder compression moulding, 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, the material requirements magnetic conductivity height of the template of vertical magnetic field direction.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 by the realization that is threaded, and promptly processing screw hole on the die cavity part connects with screw rod again.Because die surface hardness generally requires HRC〉50, and as material hardness HRC 20 the time manual tapping be not easy to realize, punch then and heat-treat again after the tapping so the process of die cavity part is first roughing.
The utility model content
At above-mentioned technical problem, the utility model provides the fastening structure of a kind of magnetic material powder compression moulding with mould, this fastening structure adopts the countersunk head hexagon socket head cap screw to be fastenedly connected two first workpiece, nut enters in first groove part, guarantee the firm connection of two first workpiece on the one hand, and first throughhole portions and second through hole all have smooth inwall, do not need machining internal thread, have improved the efficient that mould is made.
The technical scheme that the utility model provides is:
A kind of magnetic material powder compression moulding fastening structure of mould comprises:
Two connecting holes, described two connecting holes are opened in respectively on two first workpiece, each connecting hole runs through its first workpiece, and first throughhole portions that includes 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 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 first groove part.
Preferably, described magnetic material powder compression moulding also comprises: second through hole with the fastening structure of mould, it is opened on second workpiece, have smooth inwall, run through described second workpiece, and the dead in line of the axis of described second through hole and two first throughhole portions; Described screw rod passes the connecting hole of the connecting hole of one of them first workpiece, described second through hole and another first workpiece in proper order, 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 first groove part.
Preferably, described magnetic material powder compression moulding is with in the fastening structure of mould, and described nut is a hexagon, and described another first groove part is circle, hexagon or long trough.
Preferably, described magnetic material powder compression moulding is used in the fastening structure of mould, first groove part of arbitrary connecting hole and the dead in line of its first throughhole portions.
Preferably, described magnetic material powder compression moulding is with in the fastening structure of mould, and each connecting hole also comprises 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 second through hole, and each protuberance is positioned at each second groove part.
Preferably, described magnetic material powder compression moulding is with in the fastening structure of mould, and described second groove is linear groove always, and its cross section is a rectangle.
Preferably, described magnetic material powder compression moulding is with in the fastening structure of mould, and the degree of depth of described another first groove part is more than or equal to the height that is positioned at its inner nut.
The utility model includes connecting hole, and connecting hole is opened on first workpiece, and connecting hole comprises first groove part and have first throughhole portions of smooth inner wall that by the connecting hole of two first workpiece, nut is positioned at first groove part to screw rod successively.The utility model has been realized the assembling of mould, has good fastening effect, and does not influence the application of mould.Simultaneously, the utility model has improved the manufacturing efficient of mould.
Description of drawings
Fig. 1 is the structural representation of mould described in the utility model;
Fig. 2 is the vertical view of mould described in the utility model;
Fig. 3 is the structural representation of the connecting rod of mould described in the utility model;
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail, can implements according to this with reference to the specification literal to make those skilled in the art.
As Fig. 1, Fig. 2 and shown in Figure 3, the utility model provides the fastening structure of a kind of magnetic material powder compression moulding with mould, comprise: two connecting holes, described two connecting holes are opened in respectively on two first workpiece, each connecting hole runs through its first workpiece, and first throughhole portions that includes 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 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 first groove part.
The described magnetic material powder compression moulding fastening structure of mould, also comprise: second through hole, it is opened on second workpiece, has smooth inwall, run through described second workpiece, and the dead in line of the axis of described second through hole and two first throughhole portions; Described screw rod passes the connecting hole of the connecting hole of one of them first workpiece, described second through hole and another first workpiece in proper order, 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 first groove part.
Described magnetic material powder compression moulding is with in the fastening structure of mould, and described nut is a hexagon, and described another first groove part is circle, hexagon or long trough.
Described magnetic material powder compression moulding is used in the fastening structure of mould, first groove part of arbitrary connecting hole and the dead in line of its first throughhole portions.
Described magnetic material powder compression moulding is with in the fastening structure of mould, and each connecting hole also comprises 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 second through hole, and each protuberance is positioned at each second groove part.
Described magnetic material powder compression moulding is with in the fastening structure of mould, and described second groove is linear groove always, and its cross section is a rectangle.
Described magnetic material powder compression moulding is with in the fastening structure of mould, and the degree of depth of described another 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 first templates 1 and two second templates 2, and first template is connected with second template by fastening structure of the present utility model.And first template is the member that mould need be close to electromagnet cartridge 3 when installing.First template and second template have formed die cavity.Wherein, the material of first template is the Cr12MOV material, is magnetic material, and second template is the 70Mn material.In the end of second template protuberance 10 is set, below first throughhole portions 5 of first template second groove part 9 is set, protuberance enters to second groove part, forms joinery and its construction, makes the template of winning more fastening with being connected of second template.
In the present embodiment, first workpiece is first template, and second workpiece is second template.
For first template, first groove part 7 and first throughhole portions, 5, the first throughhole portions that only need process connecting hole 6 thereon have smooth inwall, and therefore, first workpiece can adopt have been finished heat treated materials processing and make.Second template also is so, and second through hole 8 that processing thereon has a smooth inner wall just can be realized itself and being connected of first workpiece.
Nut 4 is a plain nut, is hexagon.For easy to process, another first groove part of above-mentioned nut correspondence 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, as hexagonal counter sink or elongated slot counter sink.Nut is positioned at another first groove part, does not protrude in the surface of the first corresponding template, does not influence the applying of this first template and electromagnet cartridge.
For material without Overheating Treatment, can adopt milling cutter rapid processing first groove part and first throughhole portions, then first workpiece is heat-treated.Metal material for heat-treatment hardness HRC＜60 can adopt the alloy milling cutter to process first groove part and first throughhole portions.In irregular shape for first groove part, the hexagonal that is shaped 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 utility model.As shown in Figure 3, connecting rod about two parts connect by fastening structure.Two first left part 14 and right side parts 15 that workpiece is a 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 one first groove, and nut is positioned at another first groove part.
Although embodiment of the present utility model is open as above, but it is not restricted to listed utilization in specification and the embodiment, it can be applied to the various fields of the present utility model that are fit to fully, for those skilled in the art, can easily realize other modification, therefore under the universal that does not deviate from claim and equivalency range and limited, the legend that the utility model is not limited to specific details and illustrates here and describe.
Claims (7)
1. the fastening structure of a magnetic material powder compression moulding usefulness mould is characterized in that, comprising:
Two connecting holes, described two connecting holes are opened in respectively on two first workpiece, each connecting hole runs through its first workpiece, and first throughhole portions that includes 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 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 first groove part.
2. the magnetic material powder compression moulding as claimed in claim 1 fastening structure of mould, it is characterized in that, also comprise: second through hole, it is opened on second workpiece, has smooth inwall, run through described second workpiece, and the dead in line of the axis of described second through hole and two first throughhole portions; Described screw rod passes the connecting hole of the connecting hole of one of them first workpiece, described second through hole and another first workpiece in proper order, 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 first groove part.
3. magnetic material powder compression moulding as claimed in claim 1 is characterized in that with the fastening structure of mould described nut is a hexagon, and described another first groove part is circle, hexagon or long trough.
4. magnetic material powder compression moulding as claimed in claim 1 is characterized in that with the fastening structure of mould, first groove part of arbitrary connecting hole and the dead in line of its first throughhole portions.
5. magnetic material powder compression moulding as claimed in claim 2 is characterized in that with the fastening structure of mould each connecting hole also comprises 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 second through hole, and each protuberance is positioned at each second groove part.
6. magnetic material powder compression moulding as claimed in claim 5 is characterized in that with the fastening structure of mould, and described second groove part is linear groove always, and its cross section is a rectangle.
7. it is characterized in that with the fastening structure of mould the degree of depth of described another first groove part is more than or equal to the height that is positioned at its inner nut as each described magnetic material powder compression moulding in the claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220722149 CN203076581U (en) | 2012-12-24 | 2012-12-24 | Fastening structure of mold for compression molding of magnetic material powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220722149 CN203076581U (en) | 2012-12-24 | 2012-12-24 | Fastening structure of mold for compression molding of magnetic material powder |
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| Publication Number | Publication Date |
|---|---|
| CN203076581U true CN203076581U (en) | 2013-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220722149 Withdrawn - After Issue CN203076581U (en) | 2012-12-24 | 2012-12-24 | Fastening structure of mold for compression molding of magnetic material powder |
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| Country | Link |
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| CN (1) | CN203076581U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103042214A (en) * | 2012-12-24 | 2013-04-17 | 中铝广西有色金源稀土股份有限公司 | Fastening structure for tool for powder compacting of magnetic materials |
-
2012
- 2012-12-24 CN CN 201220722149 patent/CN203076581U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103042214A (en) * | 2012-12-24 | 2013-04-17 | 中铝广西有色金源稀土股份有限公司 | Fastening structure for tool for powder compacting of magnetic materials |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130724 Effective date of abandoning: 20150401 |
|
| RGAV | Abandon patent right to avoid regrant |