CN220450261U - Rectangular magnetic core heat treatment fixture suitable for mass production - Google Patents
Rectangular magnetic core heat treatment fixture suitable for mass production Download PDFInfo
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- CN220450261U CN220450261U CN202321799858.XU CN202321799858U CN220450261U CN 220450261 U CN220450261 U CN 220450261U CN 202321799858 U CN202321799858 U CN 202321799858U CN 220450261 U CN220450261 U CN 220450261U
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- magnetic core
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 230000000712 assembly Effects 0.000 claims abstract description 11
- 238000000429 assembly Methods 0.000 claims abstract description 11
- 238000003825 pressing Methods 0.000 claims description 25
- 238000009423 ventilation Methods 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Abstract
The utility model discloses a rectangular magnetic core heat treatment fixture suitable for mass production, which comprises a baking tray and a plurality of groups of core inner filling assemblies, wherein each group of core inner filling assemblies comprises a first sliding block, a second sliding block and an embedded block, round chamfers are arranged at two corners of the outer sides of the first sliding block and the second sliding block, inclined planes are arranged at the inner sides of the first sliding block and the second sliding block opposite to each other, and a frustum space with a large upper part and a small lower part is formed by the two inclined planes of the first sliding block and the second sliding block opposite to each other; the both sides of embedded block are provided with the inclined plane, and embedded block's lower extreme width is less than frustum space upper end open-ended width, and when completely inlaying, first sliding block, embedded block and second sliding block jointly form a rectangular body that four corners have round chamfer. Compared with the prior art, the utility model can change a plurality of round magnetic cores into rectangles at the same time, and the manufactured rectangular magnetic cores have uniform specification and accurate size, and are more convenient, higher in standardization and capable of mass production than the traditional manual operation management and control.
Description
Technical Field
The utility model relates to the technical field of amorphous nanocrystalline magnetic core heat treatment, in particular to a rectangular magnetic core heat treatment fixture suitable for mass production.
Background
Rectangular amorphous nanocrystalline magnetic cores are popular in the market because of good performance, but because the amorphous nanocrystalline strip of the wound magnetic cores is thicker than 18-30um, the strip has stronger toughness and elasticity, after demoulding from a winding core clamp, the inner hole of the magnetic core is difficult to keep the same shape and R angle of the winding core, although the winding core is designed to be rectangular, after the winding and demoulding, the inner hole of the magnetic core automatically becomes round because of the toughness and elasticity of the strip, therefore, before heat treatment, the rectangular amorphous nanocrystalline magnetic cores are filled with rectangular iron blocks in the inner hole of the round magnetic core and the periphery of the magnetic core is clamped and fixed by the iron blocks, and at present, the rectangular magnetic cores are prepared, after being fixed by using a tool, the rectangular magnetic cores are fed into the heat treatment, and only small-scale production can not be realized. Moreover, because the whole set of the clamp lacks complete design, manual operation and control are inconvenient, and the produced rectangular magnetic core has large difference in appearance shape and performance.
Therefore, in view of the problems in the prior art, there is a need to provide a technique suitable for mass production of rectangular amorphous nanocrystalline cores.
Disclosure of Invention
The utility model aims to avoid the defects in the prior art and provide a magnetic core heat treatment fixture suitable for mass production of rectangular amorphous nanocrystalline magnetic cores.
The aim of the utility model is achieved by the following technical scheme:
provides a rectangular magnetic core heat treatment fixture suitable for mass production, which comprises a baking tray and a plurality of groups of core filling components,
each group of core inner filling assembly comprises a first sliding block, a second sliding block and an embedded block, wherein round chamfers are arranged at two corners of the outer sides of the first sliding block and the second sliding block, inclined planes are arranged at the inner sides of the first sliding block and the second sliding block opposite to each other, and two inclined planes of the first sliding block and the second sliding block opposite to each other form a frustum space with a large upper part and a small lower part;
inclined planes are arranged on two sides of the embedded block, and the width of the lower end of the embedded block is smaller than that of an opening at the upper end of the frustum space;
the first sliding block and the second sliding block are pushed outwards when the embedded block is embedded into the first sliding block and the second sliding block, and when the embedded block is completely embedded into the first sliding block, the embedded block and the second sliding block form a rectangular body with round chamfers at four corners.
Preferably, the bottoms of the first sliding block and the second sliding block are respectively provided with a convex strip, and the first sliding block and the second sliding block can be respectively and slidably embedded into the guide groove of the baking tray through the convex strips at the bottoms.
Preferably, the baking oven is also provided with a pressing plate, the pressing plate is fixedly connected with a positioning guide column, the lower end of the positioning guide column is arranged into a cone shape, the baking oven is correspondingly provided with a guide hole, and when the pressing plate is ready to be pressed down, the central axis of the positioning guide column is aligned with the center of the guide hole;
the upper parts of the embedded blocks of the filling assemblies in the multiple groups of cores are arranged on the lower surface of the pressing plate, and when the pressing plate is pressed down in place, the embedded blocks of each group are completely embedded between the first sliding blocks and the second sliding blocks of the same group.
Preferably, a spring is arranged between the first sliding block and the second sliding block, when the embedded block is embedded into the first sliding block and the second sliding block, the spring is in a stretching state, and when the pressing plate ascends with the embedded block, the spring pulls the first sliding block and the second sliding block to reset.
Preferably, the height of the rectangular body is 1-2 mm higher than the thickness of the magnetic core.
Preferably, the baking tray and the pressing plate are provided with a plurality of ventilation holes.
Preferably, the four corners of the baking tray are respectively fixed with a stacking column, the lower end of the stacking column is cylindrical, and the upper end of the stacking column is in a truncated cone shape; one side of the bottom of the baking tray with the collinear four stacking columns is respectively provided with four stacking holes, and the stacking column of the other baking tray can be inserted into the stacking holes.
Preferably, the bottom end of the stacking column is a square column base, and the stacking column is fixed on the column base; the column foundation is also provided with a transverse fixing block and a longitudinal filling block, the transverse fixing block spans and clings to the space between the two column foundations, the longitudinal filling block is perpendicular to the transverse fixing block and clings to the transverse adjusting block, and the transverse adjusting block and the longitudinal adjusting block are provided with scales.
Preferably, the circumference of the rectangular body of the embedded block embedded in the first sliding block and the second sliding block is smaller than or equal to the circumference of the inner hole of the magnetic core.
Preferably, the plurality of sets of core inner fill assemblies are distributed in a matrix.
The utility model has the main beneficial effects that:
the utility model relates to a rectangular magnetic core heat treatment fixture suitable for mass production, which comprises a baking tray and a plurality of groups of core inner filling assemblies, wherein each group of core inner filling assemblies comprises a first sliding block, a second sliding block and an embedded block, two corners of the outer sides of the first sliding block and the second sliding block are provided with round chamfers, inclined planes are respectively arranged on the inner sides of the first sliding block and the second sliding block opposite to each other, and two inclined planes of the first sliding block and the second sliding block opposite to each other form a frustum space with a large upper part and a small lower part; the both sides of embedded block are provided with the inclined plane, and embedded block's lower extreme width is less than frustum space upper end open-ended width, and when embedded block embedded first sliding block and second sliding block with first sliding block and second sliding block outwards push away, when fully embedding, first sliding block, embedded block and second sliding block jointly form a rectangular body that four corners have round chamfer. Compared with the prior art, the utility model can change a plurality of round magnetic cores into rectangles at the same time, and the manufactured rectangular magnetic cores have uniform specification and accurate size, and are more convenient, higher in standardization and capable of mass production than the traditional manual operation management and control.
Drawings
The utility model is further illustrated by the accompanying drawings, the content of which does not constitute any limitation of the utility model.
Fig. 1 is a schematic structural view of an embodiment of the present utility model.
Fig. 2 is a schematic diagram of an in-core fill assembly and magnetic core of an embodiment of the present utility model.
Fig. 3 is a schematic illustration of an in-core fill assembly supporting a circular magnetic core in a rectangular shape in accordance with an embodiment of the present utility model.
Fig. 4 is a schematic structural view of another embodiment of the present utility model.
Fig. 5 is a schematic view of an in-core fill assembly according to yet another embodiment of the present utility model.
Fig. 6 is a schematic view of yet another embodiment of the present utility model provided with a platen.
Fig. 7 is a schematic view of an embodiment of the utility model provided with a scale 6.
Fig. 8 is a schematic view showing stacking of a plurality of bakeware according to an embodiment of the present utility model.
Fig. 1 to 8 include:
1 baking tray, 1-1 guide hole, 1-2 guide groove, 1-3 stacking column, 1-4 column base and 1-5 baking tray air holes;
2 core inner filling components, 2-1 first sliding blocks, 2-2 second sliding blocks, 2-3 round chamfers, 2-4 raised strips, 2-5 embedded blocks, 2-6 spring avoidance positions and 2-7 springs;
3 pressing plates and 3-1 positioning guide posts;
4 transverse fixing blocks, 5 longitudinal filling blocks and 6 scales 6;7 magnetic cores.
Description of the embodiments
The utility model is further illustrated with reference to the following examples.
Examples
Referring to fig. 1 to 3, the rectangular magnetic core heat treatment jig suitable for mass production of the present embodiment includes a baking tray 1 and a plurality of sets of core-in-filling members 2, the plurality of sets of core-in-filling members 2 being distributed in a matrix to heat treat a plurality of magnetic cores simultaneously. Wherein, each group of core inner filling assembly 2 comprises a first sliding block 2-1, a second sliding block 2-2 and an embedded block 2-5, two outer corners of the first sliding block 2-1 and the second sliding block 2-2 are provided with round chamfers 2-3, and the round chamfers 2-3 not only enable the magnetic core to be better sleeved outside the core inner filling assembly 2, but also enable the formed rectangular magnetic core to be provided with certain round chamfers 2-3, thereby meeting the product requirements. In order to realize the sliding of the first sliding block 2-1 and the second sliding block 2-2, inclined planes are arranged on the inner sides of the first sliding block 2-1 and the second sliding block 2-2 which are opposite to each other, and two inclined planes of the first sliding block 2-1 and the second sliding block 2-2 which are opposite to each other form a frustum space with a large upper part and a small lower part; correspondingly, inclined planes are arranged on two sides of the embedded block 2-5, the width of the lower end of the embedded block 2-5 is smaller than the width of the upper end opening of the frustum space, and the embedded block 2-5 can be inserted into the frustum space. When the embedded block 2-5 is embedded into the first sliding block 2-1 and the second sliding block 2-2, the first sliding block 2-1 and the second sliding block 2-2 are pushed outwards, and when the embedded block is completely embedded, the first sliding block 2-1, the embedded block 2-5 and the second sliding block 2-2 jointly form a rectangular body with round chamfers 2-3 at four corners. The circumference of the rectangular body of the embedded block 2-5 embedded in the first sliding block 2-1 and the second sliding block 2-2 is smaller than or equal to the circumference of the inner hole of the magnetic core, so that the rectangular body can support the round magnetic core into a rectangle inside the magnetic core. Meanwhile, the height of the rectangular body is 1-2 mm higher than the thickness of the magnetic core so as to prevent the magnetic core from being injured by mistake when a tool or a hand is used for flattening the embedded block 2-5.
The working procedure of this embodiment is as follows:
initially, the first slider 2-1 and the second slider 2-2 of the packing assembly 2 are relatively close to each other in each set of cores, and the diagonal line of the rectangle formed by the first slider 2-1 and the second slider 2-2 is smaller than the inner diameter of the circular magnetic core 7, at which time the circular magnetic core can be easily fit over the first slider 2-1 and the second slider 2-2. The embedded block 2-5 is embedded between the first sliding block 2-1 and the second sliding block 2-2, the first sliding block 2-1 and the second sliding block 2-2 are pushed outwards along with the downward movement of the embedded block 2-5, and when the embedded block 2-5 is completely embedded, the first sliding block 2-1, the embedded block 2-5 and the second sliding block 2-2 jointly form a rectangular body, and meanwhile, the round magnetic core is also supported into a rectangular magnetic core. The baking tray 1 carrying the plurality of groups of core filling assemblies 2 and the rectangular magnetic cores sleeved outside the core filling assemblies 2 is sent into a heat treatment furnace for batch heat treatment, the performance and the shape of the rectangular magnetic cores after heat treatment and cooling are fixed, then the embedded blocks 2-5 are taken out upwards, the first sliding blocks 2-1, the second sliding blocks 2-2 and the rectangular magnetic cores are not tightly supported, and the rectangular magnetic cores can be taken out very conveniently.
Examples
The present embodiment is modified on the basis of embodiment 1, and features not explained in the present embodiment are explained in embodiment 1, and are not described in detail herein.
Referring to fig. 4-7, the rectangular magnetic core heat treatment fixture suitable for mass production in this embodiment is further provided with a pressing plate 3, the pressing plate 3 is fixedly connected with a positioning guide post 3-1, the lower end of the positioning guide post 3-1 is tapered, the baking tray 1 is correspondingly provided with a guide hole 1-1, and when the pressing plate 3 is ready to be pressed down, the central axis of the positioning guide post 3-1 is aligned with the center of the guide hole 1-1. It should be noted that the positions of the positioning guide post 3-1 and the guide hole 1-1 may be interchanged, and the two schemes belong to substantially the same technology. For convenience in ventilation, the baking tray 1 and the pressing plate 3 are provided with a plurality of ventilation holes.
In order to realize that a plurality of embedded blocks 2-5 are simultaneously embedded in the corresponding first sliding block 2-1 and second sliding block 2-2, the upper parts of the embedded blocks 2-5 of the multi-group core inner filling assembly 2 are all arranged on the lower surface of the pressing plate 3. Meanwhile, the bottoms of the first sliding block 2-1 and the second sliding block 2-2 are respectively provided with a raised line 2-4, the first sliding block 2-1 and the second sliding block 2-2 are respectively and slidably arranged in the guide groove 1-2 of the baking tray 1 through the raised lines 2-4 at the bottoms, and the first sliding block 2-1 and the second sliding block 2-2 can slide accurately along the preset direction. In order to realize that the first sliding block 2-1 and the second sliding block 2-2 can retract and reset automatically after the embedded block 2-5 moves upwards, a spring 2-7 is arranged between the first sliding block 2-1 and the second sliding block 2-2, when the embedded block 2-5 is embedded into the first sliding block 2-1 and the second sliding block 2-2, the spring 2-7 is in a stretching state, and when the pressing plate 3 lifts up with the embedded block 2-5, the spring 2-7 pulls the first sliding block 2-1 and the second sliding block to reset. When the pressing plate 3 is pressed down in place, the embedded blocks 2-5 of each group are completely embedded between the first sliding blocks 2-1 and the second sliding blocks 2-2 of the same group. In order to prevent the embedded block 2-5 from touching the spring 2-7, the embedded block 2-5 can be provided with a spring avoiding position 2-6, a bump slightly higher than the spring 2-7 can be arranged on the baking tray 1 for bearing the embedded block 2-5, and the length of the embedded block 2-5 can be set to be slightly shorter to avoid the spring 2-7.
The working procedure of this embodiment is as follows:
initially, the first sliding block 2-1 and the second sliding block 2-2 of the filling assembly 2 in each group of cores are relatively close, and the round magnetic cores are placed outside the first sliding block 2-1 and the second sliding block 2-2, and as the diagonal line of the rectangle formed by the first sliding block 2-1 and the second sliding block 2-2 is smaller than the inner diameter of the round magnetic core 7, the placement precision requirement on the round magnetic core 7 is not high, and the magnetic cores can be placed conveniently. When the pressing plate 3 descends (manual operation or automatic operation by using a mechanical arm can be performed), the plurality of embedded blocks 2-5 simultaneously descend and are respectively embedded between the first sliding blocks 2-1 and the second sliding blocks 2-2 in the same group, the first sliding blocks 2-1 and the second sliding blocks 2-2 are pushed outwards by two sides of the embedded blocks 2-5 along with the downward movement of the embedded blocks 2-5, and the first sliding blocks 2-1 and the second sliding blocks 2-2 move outwards along the guide grooves 1-2, so that the springs 2-7 are stretched. When the embedded block 2-5 is completely embedded, the first sliding block 2-1, the embedded block 2-5 and the second sliding block 2-2 together form a rectangular body to support the round magnetic core into a rectangular magnetic core. The baking tray 1 and the pressing plate 3 which bear a plurality of groups of core filling assemblies 2 and rectangular magnetic cores sleeved outside the core filling assemblies 2 are sent into a heat treatment furnace for batch heat treatment, the performance and the shape of the rectangular magnetic cores after heat treatment and cooling are fixed, the pressing plate 3 is moved upwards, the embedded blocks 2-5 are withdrawn upwards along with the upward movement, the springs 2-7 enable the first sliding blocks 2-1 and the second sliding blocks 2-2 to retract along the guide grooves 1-2, the first sliding blocks 2-1, the second sliding blocks 2-2 and the rectangular magnetic cores are not tightly supported, and the rectangular magnetic cores are taken out.
Examples
The present embodiment is modified on the basis of embodiment 1 or 2, and features not explained in the present embodiment are explained in embodiment 1 or 2, and will not be described in detail here.
Referring to fig. 8, in this embodiment, stacking columns 1-3 are respectively fixed at four corners of a baking tray 1, the lower ends of the stacking columns 1-3 are cylindrical, and the upper ends are circular truncated cones; four stacking holes (not shown) are respectively formed in one side of the bottom of the baking tray 1 with the collinear four stacking posts 1-3, and the stacking posts 1-3 of the other baking tray 1 can be inserted into the stacking holes. Thus, a plurality of baking trays 1 can be stacked, and rectangular magnetic cores can be produced in a larger scale.
The bottom end of the stacking column 1-3 is a square column base 1-4, and the stacking column 1-3 is fixed on the column base 1-4; the quick-adjusting type column foundation is further provided with a transverse fixing block 4 and a longitudinal filling block 5, wherein the transverse fixing block 4 spans across and clings to the space between the two column foundations 1-4, the longitudinal filling is perpendicular to the transverse fixing block 4 and clings to a transverse adjusting block, the transverse adjusting block and the longitudinal adjusting block are both provided with scales 6, the quick-adjusting type column foundation can be conveniently adjusted, a caliper is not required to be found, the quick-adjusting type column foundation can be quickly and accurately aligned, the caliper is particularly long to 500-600mm, and the quick-adjusting type column foundation is extremely important for being convenient to adjust, good in effect and the like.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and are not intended to limit the scope of the claims. It will be appreciated by those skilled in the art that changes may be made to the embodiments described and illustrated herein, and equivalents may be substituted for elements thereof without departing from the true spirit and scope of the embodiments.
Claims (10)
1. A rectangular magnetic core heat treatment fixture suitable for mass production is characterized in that: comprises a baking tray and a plurality of groups of core filling components,
each group of core inner filling assembly comprises a first sliding block, a second sliding block and an embedded block, wherein round chamfers are arranged at two corners of the outer sides of the first sliding block and the second sliding block, inclined planes are arranged at the inner sides of the first sliding block and the second sliding block opposite to each other, and two inclined planes of the first sliding block and the second sliding block opposite to each other form a frustum space with a large upper part and a small lower part;
inclined planes are arranged on two sides of the embedded block, and the width of the lower end of the embedded block is smaller than that of an opening at the upper end of the frustum space;
the first sliding block and the second sliding block are pushed outwards when the embedded block is embedded into the first sliding block and the second sliding block, and when the embedded block is completely embedded into the first sliding block, the embedded block and the second sliding block form a rectangular body with round chamfers at four corners.
2. A rectangular magnetic core heat treatment jig suitable for mass production as claimed in claim 1, wherein: the bottom of first sliding block and second sliding block all is provided with the sand grip, but first sliding block and second sliding block pass through the guide way of the slidable embedding overware respectively of sand grip of bottom.
3. A rectangular magnetic core heat treatment jig suitable for mass production as claimed in claim 1 or 2, wherein: the baking tray is also provided with a pressing plate, the pressing plate is fixedly connected with a positioning guide column, the lower end of the positioning guide column is conical, the baking tray is correspondingly provided with a guide hole, and when the pressing plate is ready to be pressed down, the central axis of the positioning guide column is aligned with the center of the guide hole;
the upper parts of the embedded blocks of the filling assemblies in the multiple groups of cores are arranged on the lower surface of the pressing plate, and when the pressing plate is pressed down in place, the embedded blocks of each group are completely embedded between the first sliding blocks and the second sliding blocks of the same group.
4. A rectangular magnetic core heat treatment jig suitable for mass production as claimed in claim 3, wherein: a spring is arranged between the first sliding block and the second sliding block, when the embedded block is embedded into the first sliding block and the second sliding block, the spring is in a stretching state, and when the pressing plate ascends with the embedded block, the spring pulls the first sliding block and the second sliding block to reset.
5. A rectangular magnetic core heat treatment jig suitable for mass production as claimed in claim 1, wherein: the height of the rectangular body is higher than the thickness of the magnetic core by 1-2 mm.
6. A rectangular magnetic core heat treatment jig suitable for mass production as claimed in claim 1, wherein: the baking tray and the pressing plate are provided with a plurality of ventilation holes.
7. A rectangular magnetic core heat treatment jig suitable for mass production as claimed in claim 1, wherein: the four corners of the baking tray are fixedly provided with stacking columns, the lower ends of the stacking columns are cylindrical, and the upper ends of the stacking columns are in a truncated cone shape; one side of the bottom of the baking tray with the collinear four stacking columns is respectively provided with four stacking holes, and the stacking column of the other baking tray can be inserted into the stacking holes.
8. A rectangular magnetic core heat treatment jig suitable for mass production as claimed in claim 1, wherein: the bottom end of the stacking column is a square column base, and the stacking column is fixed on the column base;
the column foundation is characterized by further comprising a transverse fixing block and a longitudinal filling block, wherein the transverse fixing block spans between and clings to the two column foundations, the longitudinal filling block is perpendicular to the transverse fixing block and clings to the transverse adjusting block, and scales are arranged on the transverse adjusting block and the longitudinal adjusting block.
9. A rectangular magnetic core heat treatment jig suitable for mass production as claimed in claim 1, wherein: the circumference of the rectangular body of the embedded block embedded in the first sliding block and the second sliding block is smaller than or equal to the circumference of the inner hole of the magnetic core.
10. A rectangular magnetic core heat treatment jig suitable for mass production as claimed in claim 1, wherein: the plurality of groups of core inner filling components are distributed in a matrix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321799858.XU CN220450261U (en) | 2023-07-10 | 2023-07-10 | Rectangular magnetic core heat treatment fixture suitable for mass production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321799858.XU CN220450261U (en) | 2023-07-10 | 2023-07-10 | Rectangular magnetic core heat treatment fixture suitable for mass production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220450261U true CN220450261U (en) | 2024-02-06 |
Family
ID=89724891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321799858.XU Active CN220450261U (en) | 2023-07-10 | 2023-07-10 | Rectangular magnetic core heat treatment fixture suitable for mass production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220450261U (en) |
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2023
- 2023-07-10 CN CN202321799858.XU patent/CN220450261U/en active Active
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