CN208682195U - A kind of bonded permanent magnet forming hydraulic press - Google Patents
A kind of bonded permanent magnet forming hydraulic press Download PDFInfo
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- CN208682195U CN208682195U CN201820656614.9U CN201820656614U CN208682195U CN 208682195 U CN208682195 U CN 208682195U CN 201820656614 U CN201820656614 U CN 201820656614U CN 208682195 U CN208682195 U CN 208682195U
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- mold
- pedestal
- permanent magnet
- crossbeam
- hydraulic press
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Abstract
The utility model relates to magnetic element manufacturing equipment fields, disclose a kind of bonded permanent magnet forming hydraulic press, including pedestal and crossbeam, and crossbeam is fixed on above pedestal by the column being connected on pedestal, and the bottom surface of crossbeam is fixed with upper padding plate；Top surface is equipped with hydraulic system on pedestal, and upward, and hydraulic rod top is fixed with supporting plate in the jacking direction of the hydraulic stem of hydraulic system；Mold is provided on supporting plate, mold includes the cylinder with type chamber, and cylinder body bottom is equipped with cushion block, and top is equipped with pressure head；Outer mold wall edge is provided with microwave generator.Heat is generated using material absorbing microwaves some in mixed powder while the utility model is press-formed the mixed powder in mold by hydraulic press, heating and solidification is realized, improves the production efficiency of magnet；And the even heat that microwave heating generates, heating process temperature difference is smaller, and magnet stabilization is not easy to crack.
Description
Technical field
The utility model relates to magnetic element manufacturing equipment field, in particular to a kind of bonded permanent magnet forming hydraulic press.
Background technique
Magnet molding bonded technique is the powder of permanent-magnet material and bonding agent and other additives that will have certain magnetic property
Uniformly mixing by a certain percentage, then uses a kind of life the methods of be molded, heat, solidify, demould and preparing composite permanent-magnetic material
Production. art.Compared with being sintered and casting permanent magnet, the outstanding advantages of bonded permanent magnet are: dimensional accuracy is high, indeformable, is not necessarily to two
Secondary processing；Form freedom degree is big, can according to actual use demand, cause product of various shapes, as strip, sheet, tubulose,
Circular or other complicated shapes products；Convenient for high-volume automated production, and product high mechanical strength.
The production base of permanent-magnet material is shifted from advanced country to developing country, especially to China, Southeast Asia etc.
Area transfer.The rare-earth bond magnet in China has its distinctive advantage in the spring tide of world development, this certainly will make China forever
The production of magnetic material is grown rapidly.
But the prior art is will to be molded, and heat, and demoulding these techniques and separate, and carries out pipelining.In this technical solution
Between link it is more, complicated for operation, production efficiency is lower；Heating method traditional simultaneously is heat transmitting, in magnet heating process
It is easy to produce temperature difference, magnet is easily caused to crack.
Utility model content
Based on problem above, the utility model provides a kind of bonded permanent magnet forming hydraulic press.The utility model passes through liquid
Heat is generated using material absorbing microwaves some in mixed powder while press is press-formed the mixed powder in mold, it is real
Now heating and solidification, improve the production efficiency of magnet；And the even heat that microwave heating generates, heating process temperature difference is smaller,
Magnet stabilization is not easy to crack.
In order to solve the above technical problems, the technical solution adopted in the utility model is as follows:
A kind of bonded permanent magnet forming hydraulic press, including pedestal and crossbeam, crossbeam are fixed by the column being connected on pedestal
Above pedestal, the bottom surface of crossbeam is fixed with upper padding plate；Top surface is equipped with hydraulic system on pedestal, the hydraulic stem of hydraulic system
Upward, and hydraulic rod top is fixed with supporting plate in jacking direction；Mold is provided on supporting plate, mold includes the cylinder with type chamber,
Cylinder body bottom is equipped with cushion block, and top is equipped with pressure head；Outer mold wall edge is provided with microwave generator.
In the present invention, the mixed powder that polymer and magnetic powder are formed after mixing is placed in mold, is led to
The upward jacking of hydraulic stem is crossed, by the mixed powder compaction moulding in mold；Microwave generator generates microwave simultaneously, because of mixed powder
It is middle to there is the substance for caning absorb microwave, heat is generated after these material absorbing microwaves, by polymer melted, makes magnetic powder and gathers
It closes object and bonds and formed after cooling magnet, magnet solidification is carried out while realizing extrusion forming, to improve production efficiency；It inhales
The substance for receiving microwave is uniformly distributed in mixed powder, therefore temperature difference is smaller during heating, inside the magnet of formation not
There are temperature stress, achieve the purpose that magnet is not uniform and stable, easy to crack.
As a preferred mode, mold is pressure-resistant ceramic mold.
As a preferred mode, mold cylinder body bottom is provided with the groove that bore is greater than type chamber, and cushion block upper surface is set
It is equipped with the convex block for being filled up completely groove part, top surface is in contact with type chamber bottom surface on convex block.
As a preferred mode, pressure head top is provided with screw thread, and upper padding plate bottom offers and pressure head screw thread phase
The screw hole matched.
As a preferred mode, the positioning groove of cushion block is provided on supporting plate.
As a preferred mode, microwave generator is set in closed metallic shield.
Compared with prior art, the utility model has the beneficial effects that
(1) using in mixed powder while the utility model is press-formed the mixed powder in mold by hydraulic press
Some material absorbing microwaves generate heat, realize heating and solidification, improve the production efficiency of magnet；And the heat that microwave heating generates
Uniformly, heating process temperature difference is smaller for amount, and magnet stabilization is not easy to crack；
(2) mold of the utility model is pressure-resistant ceramic mold, because microwave can be directed through ceramic material, and ceramic material
To microwave without absorption, it can be achieved that the efficient utilization of microwave, reduces energy loss；
(3) the mold cylinder body bottom of the utility model is provided with the groove that bore is greater than type chamber, and cushion block upper surface is provided with
It is filled up completely the convex block of groove part, top surface is in contact with type chamber bottom surface on convex block.The pressurized molding of magnet, microwave heating,
After cooling and solidifying, mould pad block is taken out in hydraulic stem release, and mold is returned on supporting plate again, hydraulic stem secondary pressurized, because of mold
Cylinder body bottom is provided with the groove that bore is greater than type chamber, and the magnet after solidifying can be made to be ejected type chamber, falls into groove, realizes magnetic
The demoulding of body, while ensure that magnet is not deformed；
(4) the pressure head top of the utility model is provided with screw thread, and upper padding plate bottom is offered to match with pressure head screw thread
Screw hole.Pressure head is fixed on upper padding plate bottom, adds pressure head automatically into cylinder to mixed powder in mold cylinder uphill process
It is molded, process flow steps are reduced, operation is facilitated；
(5) it is provided with the positioning groove of cushion block on the supporting plate of the utility model, can be determined in conjunction with the fixation position of pressure head
The positioning link being press-formed every time with demoulding is saved in the position of cushion block and cylinder, while guaranteeing registration, also reaches letter
Change the purpose of process；
(6) microwave generator of the utility model is set in closed metallic shield, because metal can generate microwave
Reflex can prevent microwave from having an impact to surrounding enviroment and operator by micro-wave screening in metallic shield.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Wherein, 1 pedestal, 2 crossbeams, 3 columns, 4 upper padding plates, 5 hydraulic systems, 6 hydraulic stems, 7 supporting plates, 8 cylinders, 9 cushion blocks, 10
Pressure head, 11 microwave generators.
Specific embodiment
The utility model will be further described below with reference to the accompanying drawings.The embodiments of the present invention includes but unlimited
In the following example.
Embodiment 1:
Referring to Fig. 1, a kind of bonded permanent magnet forming hydraulic press, including pedestal 1 and crossbeam 2, crossbeam 2 is by being connected to pedestal 1
On column 3 be fixed on the top of pedestal 1, the bottom surface of crossbeam 2 is fixed with upper padding plate 4；Top surface is equipped with hydraulic system 5 on pedestal 1,
The jacking direction of the hydraulic stem 6 of hydraulic system 5 upward, and is fixed with supporting plate 7 at the top of hydraulic stem 6；It is provided with mold on supporting plate 7,
The mold includes the cylinder 8 with type chamber, and 8 bottom of cylinder is equipped with cushion block 9, and top is equipped with pressure head 10；Outer mold wall side
Edge is provided with microwave generator 11.
In the present invention, the mixed powder that polymer and magnetic powder are formed after mixing is placed in mold, is led to
The upward jacking of hydraulic stem 6 is crossed, by the mixed powder compaction moulding in mold；Microwave generator 11 generates microwave simultaneously, because of mixing
There is the substance of absorbable microwave in powder, generates heat after these material absorbing microwaves, by polymer melted, make magnetic powder
Magnet is formed with polymer bonding and after cooling, carries out magnet solidification while realizing extrusion forming, to improve production effect
Rate；The substance for absorbing microwave is uniformly distributed in mixed powder, therefore temperature difference is smaller during heating, in the magnet of formation
Temperature stress is not present in portion, achievees the purpose that magnet is not uniform and stable, easy to crack.
Embodiment 2:
Referring to Fig. 1, a kind of bonded permanent magnet forming hydraulic press, including pedestal 1 and crossbeam 2, crossbeam 2 is by being connected to pedestal 1
On column 3 be fixed on the top of pedestal 1, the bottom surface of crossbeam 2 is fixed with upper padding plate 4；Top surface is equipped with hydraulic system 5 on pedestal 1,
The jacking direction of the hydraulic stem 6 of hydraulic system 5 upward, and is fixed with supporting plate 7 at the top of hydraulic stem 6；It is provided with mold on supporting plate 7,
The mold includes the cylinder 8 with type chamber, and 8 bottom of cylinder is equipped with cushion block 9, and top is equipped with pressure head 10；Outer mold wall side
Edge is provided with microwave generator 11.
Mold is pressure-resistant ceramic mold, and because microwave can be directed through ceramic material, and ceramic material makees microwave without absorption
With, it can be achieved that microwave efficient utilization, reduce energy loss.
As a preferred mode, 8 bottom of mold cylinder is provided with the groove that bore is greater than type chamber, 9 upper surface of cushion block
It is provided with the convex block for being filled up completely groove part, top surface is in contact with type chamber bottom surface on convex block.The pressurized molding of magnet, microwave
After heating, cooling and solidifying, mould pad block 9 is taken out in 6 release of hydraulic stem, and mold is returned to again on supporting plate 7, hydraulic stem 6 two times plus
Pressure can make the magnet after solidifying be ejected type chamber, fall into because 8 bottom of mold cylinder is provided with the groove that bore is greater than type chamber
Groove, realizes the demoulding of magnet, while ensure that magnet is not deformed.
The other parts of the present embodiment are same as Example 1, just repeat no more here.
Embodiment 3:
Referring to Fig. 1, a kind of bonded permanent magnet forming hydraulic press, including pedestal 1 and crossbeam 2, crossbeam 2 is by being connected to pedestal 1
On column 3 be fixed on the top of pedestal 1, the bottom surface of crossbeam 2 is fixed with upper padding plate 4；Top surface is equipped with hydraulic system 5 on pedestal 1,
The jacking direction of the hydraulic stem 6 of hydraulic system 5 upward, and is fixed with supporting plate 7 at the top of hydraulic stem 6；It is provided with mold on supporting plate 7,
The mold includes the cylinder 8 with type chamber, and 8 bottom of cylinder is equipped with cushion block 9, and top is equipped with pressure head 10；Outer mold wall side
Edge is provided with microwave generator 11.
10 top of pressure head is provided with screw thread, and 4 bottom of upper padding plate offers the screw hole to match with 10 screw thread of pressure head.Pressure head 10
Be fixed on 4 bottom of upper padding plate, make pressure head 10 8 uphill process of mold cylinder automatically into cylinder 8 to mixed powder pressurization at
Type reduces process flow steps, facilitates operation.
As a preferred mode, the positioning groove of cushion block 9 is provided on supporting plate 7, it can be in conjunction with the fixation of pressure head 10
Position determines the position of cushion block 9 Yu cylinder 8, saves the positioning link being press-formed every time with demoulding, guarantees the same of registration
When, also achieve the purpose that simple flow.
The other parts of the present embodiment are same as the previously described embodiments, just repeat no more here.
Embodiment 4:
Referring to Fig. 1, a kind of bonded permanent magnet forming hydraulic press, including pedestal 1 and crossbeam 2, crossbeam 2 is by being connected to pedestal 1
On column 3 be fixed on the top of pedestal 1, the bottom surface of crossbeam 2 is fixed with upper padding plate 4；Top surface is equipped with hydraulic system 5 on pedestal 1,
The jacking direction of the hydraulic stem 6 of hydraulic system 5 upward, and is fixed with supporting plate 7 at the top of hydraulic stem 6；It is provided with mold on supporting plate 7,
The mold includes the cylinder 8 with type chamber, and 8 bottom of cylinder is equipped with cushion block 9, and top is equipped with pressure head 10；Outer mold wall side
Edge is provided with microwave generator 11.
Microwave generator 11 is set in closed metallic shield, can be with because metal can generate reflex to microwave
By micro-wave screening in metallic shield, prevent microwave from having an impact to surrounding enviroment and operator.
The other parts of the present embodiment are same as the previously described embodiments, just repeat no more here.
It as above is the embodiments of the present invention.Design parameter in above-described embodiment and embodiment is merely to clear
Utility model verification process is stated by Chu, not to limit the scope of patent protection of the utility model, the patent of the utility model
Protection scope is still subject to the claims, equivalent made by all specifications and accompanying drawing content with the utility model
Structure change similarly should be included in the protection scope of the utility model.
Claims (6)
1. a kind of bonded permanent magnet forming hydraulic press, including pedestal (1) and crossbeam (2), it is characterised in that: the crossbeam (2) passes through
The column (3) being connected on pedestal (1) is fixed on above pedestal (1), and the bottom surface of the crossbeam (2) is fixed with upper padding plate (4)；Institute
Top surface on pedestal (1) is stated to be equipped with hydraulic system (5), the jacking direction of the hydraulic stem (6) of the hydraulic system (5) upward, and
Supporting plate (7) are fixed at the top of hydraulic stem (6)；Mold is provided on the supporting plate (7), the mold includes the cylinder with type chamber
(8), cylinder (8) bottom is equipped with cushion block (9), and top is equipped with pressure head (10)；The outer mold wall edge is provided with micro-
Wave producer (11).
2. a kind of bonded permanent magnet forming hydraulic press according to claim 1, it is characterised in that: the mold is pressure resistance ceramics
Mold.
3. a kind of bonded permanent magnet forming hydraulic press according to claim 2, it is characterised in that: mold cylinder (8) bottom
Portion is provided with the groove that bore is greater than type chamber, and cushion block (9) upper surface is provided with the convex block for being filled up completely groove part, described
Top surface is in contact with type chamber bottom surface on convex block.
4. a kind of bonded permanent magnet forming hydraulic press according to claim 1, it is characterised in that: pressure head (10) top is set
It is equipped with screw thread, upper padding plate (4) bottom offers the screw hole to match with pressure head (10) screw thread.
5. a kind of bonded permanent magnet forming hydraulic press according to claim 4, it is characterised in that: be arranged on the supporting plate (7)
There is the positioning groove of cushion block (9).
6. a kind of bonded permanent magnet forming hydraulic press according to claim 1, it is characterised in that: the microwave generator (11)
It is set in closed metallic shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820656614.9U CN208682195U (en) | 2018-05-03 | 2018-05-03 | A kind of bonded permanent magnet forming hydraulic press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820656614.9U CN208682195U (en) | 2018-05-03 | 2018-05-03 | A kind of bonded permanent magnet forming hydraulic press |
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| Publication Number | Publication Date |
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| CN208682195U true CN208682195U (en) | 2019-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820656614.9U Active CN208682195U (en) | 2018-05-03 | 2018-05-03 | A kind of bonded permanent magnet forming hydraulic press |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202823A (en) * | 2019-05-29 | 2019-09-06 | 广德林峰科技有限公司 | A kind of pressure setting of Fluorite pellet |
-
2018
- 2018-05-03 CN CN201820656614.9U patent/CN208682195U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202823A (en) * | 2019-05-29 | 2019-09-06 | 广德林峰科技有限公司 | A kind of pressure setting of Fluorite pellet |
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