CN211174914U - Assembling device of cascade magnetic field system - Google Patents
Assembling device of cascade magnetic field system Download PDFInfo
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- CN211174914U CN211174914U CN201921495088.3U CN201921495088U CN211174914U CN 211174914 U CN211174914 U CN 211174914U CN 201921495088 U CN201921495088 U CN 201921495088U CN 211174914 U CN211174914 U CN 211174914U
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Abstract
The utility model discloses an assembly quality of overlapping formula magnetic field system, include: the device comprises a yoke iron disc, a clamp, a limiting mould and a jacking tool; the yoke plate comprises a semicircular annular bottom surface and a semicircular cylindrical surface, and the bottom edge of the semicircular cylindrical surface is connected with the top of the semicircular annular bottom surface; the fixture includes: the fixture comprises a fixture base, a first bolt, a second bolt and a third bolt, wherein the fixture base is of a U-shaped structure, a first threaded hole is formed in the top of the fixture base, a second threaded hole is formed in the side of the fixture base, and third threaded holes are formed in the two end parts of the U-shaped structure respectively; the first bolt is installed at first screw hole, and the second bolt is installed at the second screw hole, and the third bolt is installed at the third screw hole. The utility model discloses can reduce the assembly degree of difficulty of overlapping formula magnetic field system, improve the efficiency and the assembly security of assembling the magnet on the yoke dish.
Description
Technical Field
The utility model relates to a magnet technique specifically says so, relates to an assembly quality of overlapping formula magnetic field system.
Background
The magnetic field system is one of important systems and components in magnetic refrigeration equipment, and the quality of the magnetic field performance is directly related to the performance of the magnetic refrigerator. The magnetic field performance depends on two aspects, namely design and assembly. Generally, a magnetic field system is composed of a yoke and a plurality of magnets, which are assembled in a certain order in a space formed by the yoke. At present, a magnetic field system commonly used for a magnetic refrigerator is a cylindrical magnetic field, the assembling sequence is according to the Halbach rotation theory, and a central core body and a plurality of fan-shaped molds similar to the shape of a magnet are adopted during assembling. Because the outer ring of the magnetic field system is the whole circumference, the central core body limits the radial movement of the magnets during assembly, and therefore, a plurality of fan-shaped molds are directly adopted to press the magnets to be assembled one by one to complete assembly, and the assembly is relatively easy.
The outer ring of the magnetic field system is a semicircular magnet, the outer ring loses the limiting effect on the magnet, and the magnet has radial displacement and circumferential and upward displacement in the assembling process, so that if the existing method for assembling the whole cylindrical magnetic field system is adopted to assemble the overlapping type magnetic field system, the assembling difficulty is high, the assembling safety coefficient is low, and the efficiency can be greatly reduced
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide an assembly quality of overlapping formula magnetic field system can reduce overlapping formula magnetic field system's the assembly degree of difficulty, improves the efficiency and the assembly security of assembling the magnet on the yoke dish.
The technical scheme is as follows:
an assembly apparatus for a cascaded magnetic field system, comprising: the device comprises a yoke iron disc, a clamp, a limiting mould and a jacking tool; the yoke plate comprises a semicircular annular bottom surface and a semicircular cylindrical surface, and the bottom edge of the semicircular cylindrical surface is connected with the top of the semicircular annular bottom surface; the fixture includes: the fixture comprises a fixture base, a first bolt, a second bolt and a third bolt, wherein the fixture base is of a U-shaped structure, a first threaded hole is formed in the top of the fixture base, a second threaded hole is formed in the side of the fixture base, and third threaded holes are formed in the two end parts of the U-shaped structure respectively; the first bolt is installed at first screw hole, and the second bolt is installed at the second screw hole, and the third bolt is installed at the third screw hole.
Further, the yoke plate is used for placing the magnet and positioning the magnet; the clamping device is made of nonmagnetic stainless steel.
Furthermore, the limiting die is of a hexahedral structure, and the top tool is of a wedge shape.
The utility model discloses technical effect includes:
the utility model discloses a two sets of fixtures, 1 spacing mould and polylith top utensil have realized the accurate control of a plurality of degrees of freedom of magnet in assembling process, make it finally can only be close to the magnet of assembly gradually, have avoided the assembling process because the repulsion force between the magnet and the collapse of the magnet that leads to splits, and factor of safety improves greatly.
Drawings
Fig. 1 is a schematic structural view of the middle yoke plate of the present invention;
FIG. 2 is a schematic view of the structure of the fixture of the present invention;
FIG. 3 is a schematic view of the assembly of two magnets in the middle of the present invention;
FIG. 4 is a schematic view of the present invention, wherein the fixture will be clamped by the assembled magnet;
fig. 5 is a schematic view of the present invention in which the assembly of the magnet on the yoke iron plate is completed.
Detailed Description
The following description sufficiently illustrates specific embodiments of the invention to enable those skilled in the art to practice and reproduce it.
As shown in fig. 1, is a schematic structural view of the middle yoke plate 2 of the present invention.
An assembly apparatus for a cascaded magnetic field system, comprising: yoke iron plate 2, fixture 3, spacing mould 4 and top utensil 5.
The yoke iron plate 2 includes a semicircular annular bottom surface 21 and a semicircular cylindrical surface 22, and the bottom edge of the semicircular cylindrical surface 22 is connected to the top of the semicircular annular bottom surface. The yoke iron plate 2 is used for placing the magnet 1 and positioning the magnet 1.
As shown in fig. 2, it is a schematic structural diagram of the middle clamp 3 of the present invention.
The fixture 3 includes: fixture base 31, first bolt 32 and second bolt 33, third bolt 34, fixture base 31 is the material of nonmagnetic stainless steel, and its main function is to provide support. The first bolt 32, the second bolt 33 and the third bolt 34 are made of nonmagnetic stainless steel, the model of the first bolt 32 and the second bolt 33 is M12, the model of the third bolt 34 is M8,
The primary function of the first bolt 32 and the second bolt 33 is to squeeze the magnet 1 and limit the position of the magnet 1 during assembly of the magnet. Wherein, the first bolt 32 limits the position of the magnet 1 moving up and down; the second bolt 33 restricts and adjusts the position of the magnet 1 in the circumferential direction; the third bolt 34 limits the overall jig position and prevents the jig 3 position from shifting during assembly of the magnet 1. The first bolt 32 has no bolt hole at its lower portion. The first bolt 32 is arranged at the left position of the top center of the fixture 1; the second bolt 33 is located off center on the side of the fixture. The third bolt 34 is a little shorter than the entire height of the jig, and is located on the right side of the top of the jig base 31.
The limiting die 4 is of a hexahedral structure, and the top tool 5 is of a wedge shape.
The assembling method of the cascade magnetic field system specifically comprises the following steps:
step 1: measuring and finding out the central position of the yoke iron plate 2, and marking a mark; coating an adhesive on the bottom surface of the magnet 1 positioned at the central position and the outer arc surface of the yoke iron disc 2; bonding the magnet 1 to the yoke iron plate 2 and aligning the marked center line with the magnet side line;
one of the two magnets 1 located in the middle (the right one of the two in this embodiment) is taken and bonded to the yoke disk 2. The number of magnets is even.
As shown in fig. 3, it is a schematic diagram of the middle two magnets 1 of the present invention; as shown in fig. 4, it is a schematic view of the present invention that the fixture 3 will be caught by the assembled magnet 1.
The assembling method of the cascade magnetic field system is to assemble a plurality of magnets 1 on a yoke plate 2 by adopting a fixture 3, a limiting mould 4 and a top tool 5 according to a certain sequence and assembling the magnets 1 on the yoke plate 2. Two sets of fixtures 3, 1 aluminum limiting mold 4 and a plurality of lifters 5 are adopted, and the fixtures 3 are made of stainless steel.
The fixture 3 is used for clamping the magnet 1 and the limiting mould 4 in the assembling process, the limiting mould 4 is used for limiting the circumferential movement of the assembled magnet 1 at a specific position, and the top tool 5 is used for pressing the assembled magnet 1 to be attached to the assembled magnet 1 to complete the assembling of the assembled magnet 1.
Step 2: the magnets 1 on both sides of the middle magnet 1 are assembled step by step from the middle to both sides until the outermost magnets 1 are mounted, so that all the magnets 1 are adhered to each other and arranged on the yoke disc 2.
Two sets of fixtures 3, 1 limiting die 4 and a top tool 5 are used for assembling the magnets 1 which are adjacent to two sides of the assembled middle magnet 1.
Step 21: placing the magnet 1 positioned on the left side of the magnet 1 in the middle on the yoke iron plate 2, wherein the magnet 1 on the left side is far away from the magnet 1 in the middle;
because a certain repulsive force exists between the two magnetized magnets 1, the two magnets 1 are far away from each other to ensure the safety. Application of an external force moves the magnet 2 to a position where the repulsive forces between the two magnets 2 are balanced.
Step 22: clamping the assembled magnet 1 by using the fixture 3, and adjusting a first bolt 32 on the fixture 3 and a second bolt 33 on the side surface to generate a certain pretightening force for the magnet 1 so as to limit the upward or radial displacement of the magnet 1;
step 23: applying external force to enable the magnet 1 on the left side to be close to the magnet 1 in the middle until a certain position is reached, stopping applying the external force, and smearing adhesive on the side surfaces of the two magnets 1;
step 24: a limiting mould 4 is arranged at the adjacent position of the middle magnet 1, a gap is reserved between the middle magnet 1 and the limiting mould 4, and the limiting mould 4 is clamped at the position by another clamping device 3;
step 25: pushing the ejector 5 into a gap between the magnet 1 and the limiting mould 4 to enable the assembled magnet 1 to gradually approach the magnet 1 at the middle position until the assembled magnet 1 is tightly attached to the magnet 1 at the middle position;
step 26: after the two magnets 1 are completely and tightly bonded, the fixture 3, the limiting mould 4 and the jacking tool 5 are removed;
step 27: and assembling other magnets 1 step by step from the middle to two sides until assembling two outermost magnets 1 at the left side and the right side.
1. Assembling the magnet 1 which is arranged at the outermost side of the two sides by using two fixtures 3, bonding the magnet 1 to be assembled on the yoke iron disc 2, and clamping the yoke iron disc 2 by using a third bolt 34 at the front end of each fixture 3 along the circumferential direction;
2. the other fixture 3 is adjusted in position so that the first screw holes 35 of the two fixtures 3 are aligned, the first bolts 32 and the second bolts 33 of the two fixtures 3 are installed, the two fixtures 3 share the first bolts 32, and the first bolts 32 and the second bolts 33 are adjusted so that the magnet 1 is closely attached to the inner surface of the yoke iron plate 2 and cannot move upward and in the radial direction.
3. Coating adhesive on the side surface of the assembled magnet 1, and adjusting the first bolt 32 of the fixture 3 until the assembled magnet 1 is tightly attached to the assembled magnet 1;
4. the assembly is completed by removing the two fixtures 3.
As shown in fig. 5, the present invention is a schematic view of the magnet 1 assembled on the yoke plate 2.
The utility model discloses a fixture 3, spacing mould 4 and top utensil 5 have thoroughly solved overlapping formula magnetic field system and have been difficult to the assembly, and assembly factor of safety is low, the problem of inefficiency.
The terminology used herein is for the purpose of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (3)
1. An assembly apparatus for a cascaded magnetic field system, comprising: the device comprises a yoke iron disc, a clamp, a limiting mould and a jacking tool; the yoke plate comprises a semicircular annular bottom surface and a semicircular cylindrical surface, and the bottom edge of the semicircular cylindrical surface is connected with the top of the semicircular annular bottom surface; the fixture includes: the fixture comprises a fixture base, a first bolt, a second bolt and a third bolt, wherein the fixture base is of a U-shaped structure, a first threaded hole is formed in the top of the fixture base, a second threaded hole is formed in the side of the fixture base, and third threaded holes are formed in the two end parts of the U-shaped structure respectively; the first bolt is installed at first screw hole, and the second bolt is installed at the second screw hole, and the third bolt is installed at the third screw hole.
2. The assembly apparatus of the cascaded magnetic field system of claim 1, wherein the yoke plate is used for placing the magnets and positioning the magnets; the clamping device is made of nonmagnetic stainless steel.
3. The assembling apparatus for a cascaded magnetic field system according to claim 1, wherein the position-limiting mold has a hexahedral structure, and the top tool has a wedge shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921495088.3U CN211174914U (en) | 2019-09-09 | 2019-09-09 | Assembling device of cascade magnetic field system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921495088.3U CN211174914U (en) | 2019-09-09 | 2019-09-09 | Assembling device of cascade magnetic field system |
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| CN211174914U true CN211174914U (en) | 2020-08-04 |
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| CN201921495088.3U Active CN211174914U (en) | 2019-09-09 | 2019-09-09 | Assembling device of cascade magnetic field system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110645244A (en) * | 2019-09-09 | 2020-01-03 | 包头稀土研究院 | Assembly device and assembly method of cascade magnetic field system |
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2019
- 2019-09-09 CN CN201921495088.3U patent/CN211174914U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110645244A (en) * | 2019-09-09 | 2020-01-03 | 包头稀土研究院 | Assembly device and assembly method of cascade magnetic field system |
| CN110645244B (en) * | 2019-09-09 | 2024-04-02 | 包头稀土研究院 | Assembly device and assembly method of overlapping magnetic field system |
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