CN220031440U - Tool fixture for crystal boundary diffusion typesetting - Google Patents
Tool fixture for crystal boundary diffusion typesetting Download PDFInfo
- Publication number
- CN220031440U CN220031440U CN202321240297.XU CN202321240297U CN220031440U CN 220031440 U CN220031440 U CN 220031440U CN 202321240297 U CN202321240297 U CN 202321240297U CN 220031440 U CN220031440 U CN 220031440U
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- China
- Prior art keywords
- soft magnetic
- limiting plate
- magnetic sheet
- suction
- typesetting
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- 238000009792 diffusion process Methods 0.000 title claims abstract description 12
- 239000013078 crystal Substances 0.000 title claims abstract description 9
- 230000002708 enhancing effect Effects 0.000 claims abstract description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 238000005324 grain boundary diffusion Methods 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 238000007650 screen-printing Methods 0.000 abstract description 14
- 230000005389 magnetism Effects 0.000 abstract description 6
- 239000002002 slurry Substances 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 2
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 12
- 238000000576 coating method Methods 0.000 description 5
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910001172 neodymium magnet Inorganic materials 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Abstract
The utility model discloses a tool fixture for crystal boundary diffusion typesetting, which comprises a bearing part, wherein the bearing part comprises a base, a groove is formed in the base, and a first limiting plate and a second limiting plate which are connected are arranged at two adjacent ends of the groove; the suction enhancement component is arranged in the groove and is limited by the first limiting plate and the second limiting plate; the soft magnetic sheet is detachably adsorbed on the upper surface of the suction enhancement component, and two ends of the soft magnetic sheet are limited through a first limiting plate and a second limiting plate; the magnets are distributed on the soft magnetic sheets after being limited by the first limiting plate and the second limiting plate, and the suction force enhancing component and the soft magnetic sheets are detachably arranged in the grooves, so that products with different specifications can be placed on the soft magnetic sheets for screen printing, and the universality is good; the magnet is strongly adsorbed by the suction enhancement component and the soft magnetic sheet, the magnet cannot be stuck by slurry, the magnetism of the back of the soft magnetic sheet is weak, the soft magnetic sheet and the suction enhancement component can be conveniently separated, and the processing efficiency is high.
Description
Technical Field
The utility model relates to a tool fixture, in particular to a tool fixture for performing grain boundary diffusion typesetting in screen printing.
Background
Since the advent of neodymium-iron-boron permanent magnet materials, the neodymium-iron-boron permanent magnet materials are widely applied to the fields of electronics, electric machinery, medical appliances, packaging, aerospace and the like, and with the high-speed development of new energy industries, the neodymium-iron-boron permanent magnet materials have higher requirements on the temperature resistance and coercive force. Through the grain boundary diffusion technology, the temperature resistance of the neodymium iron boron permanent magnet material can be enhanced, the coercive force can be improved, and the production cost can be reduced.
At present, the preparation process of the grain boundary diffusion technology in the industry mainly comprises the following steps: 1. the vapor deposition diffusion method, 2. The magnetron sputtering method 3. The surface coating method, wherein the surface coating method is mainly used for carrying out grain boundary diffusion by a screen printing method. Commonly used tooling jigs for screen printing are divided into two types: magnetic attraction and air attraction, but at present, both have the following disadvantages:
the magnetic attraction is to pre-embed a fixed magnet at the bottom of the tool, so that the tool is not detachable, and meanwhile, the tool is required to be used for isolation, and otherwise, a product cannot be taken off after being attracted on the magnet, so that subsequent operation cannot be performed; and the problem of overlarge suction exists for a thick substrate, the follow-up taking out is not facilitated, the suction is insufficient for an undersize substrate, the whole universality is poor, and different jigs are required to be manufactured for products with different specifications.
The air suction is to create a vacuum chamber on the tool, then open holes are formed in the bottom of the product, the chips are adsorbed on the tool through the vacuum pump, different open hole tools are needed to be prepared for different products, the number of the tools is large, the universality is extremely low, and the structure is also relatively complex.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a tooling fixture for crystal boundary diffusion typesetting, which can adsorb magnets and facilitate separation, does not influence subsequent operation, is not limited by the specification of products, and has high universality and processing efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme: tool fixture for crystal boundary diffusion typesetting, including:
the bearing part comprises a base, a groove is formed in the base, and a first limiting plate and a second limiting plate which are connected are arranged at two adjacent ends of the groove;
the suction enhancement component is arranged on the bearing part, and two adjacent ends of the suction enhancement component are limited through a first limiting plate and a second limiting plate;
the soft magnetic sheet is detachably adsorbed on the upper surface of the suction enhancement component, and two ends of the soft magnetic sheet are limited by a first limiting plate and a second limiting plate, wherein the depth of the groove is larger than the sum of the thicknesses of the suction enhancement component and the soft magnetic sheet;
the magnets are distributed on the soft magnetic sheets after being limited along the first limiting plate and the second limiting plate and are adsorbed by the soft magnetic sheets.
Further, the attraction force enhancing member has a magnetic attraction force greater than that of the soft magnetic sheet.
Further, the suction force enhancing component is an iron sheet with the thickness of 0.5 mm-3 mm.
Further, the soft magnetic sheet is a rubber soft magnetic sheet with the thickness of 0.5 mm-2 mm.
Further, the first limiting plate and the second limiting plate are vertically arranged.
Further, the magnets are distributed on the soft magnetic sheet in a grid array.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
1. this frock tool is used in diffusion of grain boundary typesetting, suction enhancement part and soft magnetic sheet are for detachable combination's setting in the recess, the recess can design different degree of depth simultaneously, can place the screen printing behind the soft magnetic sheet with different specification products during actual operation, is suitable for the magnet of all specifications, and the commonality is good.
2. Because the soft magnetism and the attraction enhancement part are stacked and combined, the magnet can be strongly adsorbed through the attraction enhancement part and the soft magnetic sheet, the magnet cannot be adhered by slurry, the characteristic of weak magnetism of the back of the soft magnetic sheet is utilized, the soft magnetic sheet and the attraction enhancement part can be conveniently separated, the magnet can be conveniently fixed and transferred on a jig, and the operation is convenient and labor-saving.
3. The first limiting plate and the second limiting plate limit the two ends of the distributed magnets, so that the magnets are guaranteed to be well arranged, and the slurry waste can be effectively reduced when the magnets are coated by screen printing.
Drawings
The technical scheme of the utility model is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is an exploded perspective view of FIG. 1;
FIG. 3 is a schematic view of a magnet according to an embodiment of the present utility model;
wherein: the device comprises a bearing part 1, a suction force enhancing part 2, a soft magnetic sheet 3, a magnet 4, a base 10, a groove 11, a first limiting plate 12 and a second limiting plate 13.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
The utility model provides a tool fixture for crystal boundary diffusion typesetting, which aims at solving the problems that the tool fixture corresponding to the magnet is poor in universality, inconvenient to operate, complex in integral structure and low in machining efficiency when the magnet is subjected to crystal boundary diffusion of surface coating by screen printing in the prior art.
In order to facilitate understanding, a specific flow in the embodiment of the present utility model is described below, referring to fig. 1 to 3, a tool fixture for crystal boundary diffusion typesetting in the embodiment of the present utility model includes a bearing portion 1, a suction enhancement component 2, a soft magnetic sheet 3 and a magnet 4; the bearing part 1 comprises a base 10, a groove 11 is formed in the base 10, two adjacent ends of the groove 11 are composed of a first limiting plate 12 and a second limiting plate 13 which are arranged in a connecting mode, and the other two sides of the groove 11 are free from blocking.
The suction force enhancing component 2 is placed in the groove 11, and two adjacent ends of the suction force enhancing component 2 are limited by a first limiting plate 12 and a second limiting plate 13; thus, when the suction enhancement component 2 is actually placed, the positions of the two ends of the suction enhancement component 2 are positioned through the first limiting plate 12 and the second limiting plate 13, so that the suction enhancement component 2 with different sizes can be adapted.
The soft magnetic sheet 3 is detachably adsorbed on the upper surface of the suction enhancement component 2, and two ends of the soft magnetic sheet 3 are limited by a first limiting plate 12 and a second limiting plate 13; and because the surface of the soft magnetic sheet 3 is uneven in the initial state, the soft magnetic sheet 3 and the suction enhancement component 2 are adopted for adsorption, so that the flatness of the soft magnetic sheet 3 can be ensured, and the magnet 4 is ensured to be on the same horizontal plane when being adsorbed on the soft magnetic sheet 3.
The front adsorption force of the soft magnetic sheet 3 is strong, the magnet 4 can be well adsorbed, and the back adsorption force of the soft magnetic sheet is weak, so that the soft magnetic sheet 3 can be conveniently separated from the suction enhancing component 2, and the soft magnetic sheets 3 with different magnetic suction values can be replaced at any time to adapt to the magnets 4 with different specifications.
Meanwhile, in order to ensure that the following magnet 4 can be disposed in the recess 11 and is limited by the first limiting plate 12 and the second limiting plate 13, the depth of the recess 11 is greater than the sum of the thicknesses of the suction enhancing member 2 and the soft magnetic sheet 3 in this embodiment.
In addition, the plurality of magnets 4 are distributed on the soft magnetic sheet 3 after being limited along the first limiting plate 12 and the second limiting plate 13, and are adsorbed by the soft magnetic sheet 3.
This frock tool is used in diffusion of grain boundary typesetting, suction enhancement part 2 and soft magnetic sheet 3 are for detachable combination's setting in recess 11, and recess 11 can design different degree of depth simultaneously, can place not unidimensional product on soft magnetic sheet 3 during the actual operation, and the combination is adsorbed by suction enhancement part 2 and soft magnetic sheet 3, carries out screen printing again, is suitable for the magnet of all specifications, and the commonality is good.
Because of the stacking combination of the soft magnetism 3 and the attraction force enhancing part 2, the magnet 4 can be attracted by the strong attraction force on the front surface of the soft magnetism 3, the magnet 4 can be strongly attracted by the attraction force enhancing part 2, and the position of the magnet is stable; meanwhile, the characteristic that the back surface of the soft magnetic sheet 3 is weak in magnetism is utilized, and the soft magnetic sheet 3 and the suction force enhancing component 2 can be conveniently separated, so that the magnet 4 can be conveniently fixed and transferred on a jig, and the operation is convenient and labor-saving.
In addition, the first limiting plate 12 and the second limiting plate 13 limit the two ends of the distributed magnets 4, so that the magnets 4 are guaranteed to be well arranged, and the waste of sizing agent can be effectively reduced when the magnets 4 are coated by screen printing.
In this embodiment, the attraction force of the attraction force enhancing member 2 is larger than that of the soft magnetic sheet 3, so that the attraction force to the magnet 4 can be greatly enhanced, and the stability of the magnet 4 during screen printing can be ensured.
In this embodiment, the suction force enhancing component is an iron sheet with a thickness of 0.5 mm-3 mm, the suction force enhancing component 2 is used for increasing the attraction to the magnet 4, and for different magnet thicknesses, iron sheets with different thicknesses can be selected to enhance the suction force, so that the position stability of the magnet is ensured.
In this embodiment, the soft magnetic sheet is a rubber soft magnetic sheet with a thickness of 0.5 mm-2 mm, and half of the thickness of the rubber soft magnetic sheet is smaller than the thickness of the suction enhancing component 2, so that the soft magnetic sheet and the suction enhancing component can be separated quickly.
In this embodiment, the first limiting plate 12 and the second limiting plate 13 are vertically disposed, and of course, may be disposed at other angles, mainly for adapting the arrangement of the magnets 4 on the soft magnetic sheet 3 with different specifications.
In this embodiment, the magnets 4 are distributed on the soft magnetic sheet 3 in a grid array, however, the magnets 4 may be arranged in other ways.
Based on fig. 3, the following screen-printed surface coating is applied to a number 30, specification 9 x 5 x 1.3mm of magnets 4, facilitating subsequent grain boundary diffusion, where the groove depth is selected: 7mm, iron sheet thickness: 2mm, soft magnetic sheet specification: 1mm thick, rubber magnet R9.
The actual operation flow is as follows:
1. mao Peiqie the soft magnetic sheets are orderly arranged on the R9 specification after being ground into magnets;
2. the soft magnetic sheet 3 is completely attached to the suction enhancement component 2, and the suction force is increased by the suction enhancement component 2;
3. the magnet 4, the soft magnetic sheet 3 and the suction enhancement component 2 are integrally limited by a first limiting plate 12 and a second limiting plate 13 and fixed on a base with the depth of 7mm, so that the tooling fixture arrangement is completed;
4. and finally, transferring the well-placed jig to a screen printing station for fixing, and then carrying out screen printing coating on the magnet.
According to the jig, the shape and the size of the magnet in the screen printing process are not limited by the tool, the tool is high in universality, the machining efficiency is high, and the product cannot be stuck by slurry under the adsorption action of the soft magnetic sheet 3 and the suction enhancement component 2 in the screen printing process, so that the large-scale production can be stably performed.
The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (6)
1. Frock tool is used in diffusion typesetting of crystal boundary, its characterized in that includes:
the bearing part (1), the bearing part (1) comprises a base (10), a groove (11) is formed in the base (10), and a first limiting plate (12) and a second limiting plate (13) which are connected are arranged at two adjacent ends of the groove (11);
the suction enhancement component (2) is arranged on the bearing part (1), and two adjacent ends of the suction enhancement component (2) are limited through the first limiting plate (12) and the second limiting plate (13);
the soft magnetic sheet (3) is detachably adsorbed on the upper surface of the suction enhancement component (2), and two ends of the soft magnetic sheet (3) are limited by the first limiting plate (12) and the second limiting plate (13), wherein the depth of the groove (11) is larger than the sum of the thicknesses of the suction enhancement component (2) and the soft magnetic sheet (3);
the magnets (4) are distributed on the soft magnetic sheets (3) after being limited by the first limiting plates (12) and the second limiting plates (13), and are adsorbed by the soft magnetic sheets (3).
2. The tooling fixture for grain boundary diffusion typesetting as claimed in claim 1, wherein: the magnetic attraction force of the attraction force enhancing part (2) is larger than that of the soft magnetic sheet (3).
3. The tooling fixture for grain boundary diffusion typesetting as claimed in claim 1, wherein: the suction force enhancing component (2) is an iron sheet with the thickness of 0.5 mm-3 mm.
4. The tooling fixture for grain boundary diffusion typesetting as claimed in claim 1, wherein: the soft magnetic sheet (3) is a rubber soft magnetic sheet with the thickness of 0.5 mm-2 mm.
5. The tooling fixture for grain boundary diffusion typesetting as claimed in claim 1, wherein: the first limiting plate (12) and the second limiting plate (13) are vertically arranged.
6. The tooling fixture for grain boundary diffusion typesetting as claimed in claim 1, wherein: the magnets (4) are distributed on the soft magnetic sheet (3) in a grid array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321240297.XU CN220031440U (en) | 2023-05-22 | 2023-05-22 | Tool fixture for crystal boundary diffusion typesetting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321240297.XU CN220031440U (en) | 2023-05-22 | 2023-05-22 | Tool fixture for crystal boundary diffusion typesetting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220031440U true CN220031440U (en) | 2023-11-17 |
Family
ID=88727782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321240297.XU Active CN220031440U (en) | 2023-05-22 | 2023-05-22 | Tool fixture for crystal boundary diffusion typesetting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220031440U (en) |
-
2023
- 2023-05-22 CN CN202321240297.XU patent/CN220031440U/en active Active
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| GR01 | Patent grant |