CN111799056A

CN111799056A - Magnetic body coplanar bipolar magnetizing device

Info

Publication number: CN111799056A
Application number: CN202010809542.9A
Authority: CN
Inventors: 陈亮; 刘洋; 刘向阳; 刘飞阳; 陈嵩; 郑安; 杜斌; 刘会武; 贾大军
Original assignee: Jin Kun Magnet Co ltd
Current assignee: Jin Kun Magnet Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2020-10-20
Anticipated expiration: 2040-08-13
Also published as: CN111799056B

Abstract

The invention relates to the technical field of magnet manufacturing, and particularly discloses a magnetic body coplanar bipolar magnetizing device which comprises a magnetizing movement and a bearing mechanism, wherein the magnetizing movement magnetizes a magnetic body borne by the bearing mechanism into a magnet; the bearing mechanism comprises a rack and a first magnetizing jig, wherein the first magnetizing jig comprises a fixed disc detachably connected with the rack, a first circular ring and a second circular ring which are arranged on the fixed disc, and a first coil and a second coil which are respectively sleeved on the outer side of the first circular ring and the outer side of the second circular ring; the first ring is arranged around the second ring, the first ring and the second ring are used for respectively abutting against different parts on the same side of the magnetic body, and the magnetizing machine core acts on the first coil and the second coil of the bearing jig; the two coils are used for respectively magnetizing different parts of the same side of the magnetic body, so that the different parts of the same side of the magnetic body present different polarities, and compared with the prior art in which the magnetic body is magnetized twice step by step, the manufacturing efficiency and the manufacturing yield of the magnet are improved.

Description

Magnetic body coplanar bipolar magnetizing device

Technical Field

The invention relates to the technical field of magnet manufacturing, and particularly discloses a magnetic body coplanar bipolar magnetizing device.

Background

The magnet is one of the common basic accessories in various products, the products of the magnet are various, in the manufacturing process of the magnet, different polarities are sometimes required to be respectively produced on the same side of the magnet, in the prior art, the magnet is mainly magnetized step by step, namely, the first polarity is magnetized on one side of the magnet by utilizing the first magnetizing treatment, then the second polarity is magnetized on the same side of the magnet by utilizing the second magnetizing treatment, the magnetizing efficiency is low, and the first polarity can also interfere and influence the second magnetizing after the first magnetizing, so that the magnet is badly magnetized.

Disclosure of Invention

In order to overcome the disadvantages and shortcomings of the prior art, the present invention provides a magnetic coplanar bipolar magnetizing device, which magnetizes different portions of the same side of a magnetic body by two coils, so that the different portions of the same side of the magnetic body have different polarities.

In order to achieve the purpose, the magnetic body coplanar bipolar magnetizing device comprises a magnetizing movement and a bearing mechanism matched with the magnetizing movement, wherein the bearing mechanism is used for bearing a magnetic body, and the magnetizing movement magnetizes the magnetic body borne by the bearing mechanism into a magnet; the bearing mechanism comprises a rack and a first magnetizing jig, wherein the first magnetizing jig comprises a fixed disc detachably connected with the rack, a first circular ring and a second circular ring which are arranged on the fixed disc, and a first coil and a second coil which are respectively sleeved on the outer side of the first circular ring and the outer side of the second circular ring; the first ring is arranged around the second ring, the first ring and the second ring are used for respectively abutting against different parts of the same side of the magnetic body, the magnetizing movement acts on the first coil and the second coil of the bearing jig, and the different parts of the same side of the magnetic body are respectively magnetized into an N pole and an S pole.

The bearing mechanism further comprises a driving piece arranged on the rack and a second magnetizing jig connected with the output end of the driving piece, the structure of the second magnetizing jig is the same as that of the first magnetizing jig, the driving piece is used for driving the second magnetizing jig to be close to or far away from the first magnetizing jig, and the ring of the second magnetizing jig and the ring of the first magnetizing jig are used for clamping the magnetic body.

The machine frame is provided with a carrying platform and two parallel guide rods, the output end of the driving piece is connected with a support plate positioned above the carrying platform, the support plate is provided with linear bearings which are respectively sleeved on the outer sides of the two guide rods in a sliding manner, and a fixed disc of the second magnetizing jig is arranged on the support plate; the carrying platform is provided with a groove, the magnetizing jig is detachably connected to the carrying platform and is positioned in the groove, the groove is formed by being concavely arranged on one side, close to the carrying plate, of the carrying platform, the groove is used for accommodating a carrying piece carrying a magnetic body, and the inner side face of the groove is used for stopping and limiting the carrying piece.

The magnetic material packaging device comprises a carrying piece and a plurality of magnetic bodies, wherein the carrying piece is used for carrying magnetic bodies, the carrying piece is provided with a plurality of accommodating grooves, the plurality of magnetic bodies are respectively accommodated in the plurality of accommodating grooves, and the carrying piece is injection-molded with a covering layer used for packaging the magnetic bodies on the carrying piece; the multiple magnetic parts on the carrier part are surrounded to form a ring matched with the ring, the first ring and the second ring are used for abutting against the multiple magnetic bodies of the ring, and the magnetizing machine core acts on the coil of the bearing jig and magnetizes different parts of the same side of all the magnetic bodies of the ring into an N pole and an S pole respectively.

The first ring comprises two first semi-circular arcs arranged on the fixed disc, the number of the first coils is two, and the two first coils are sleeved on the outer sides of the two first semi-circular arcs respectively; the two ends of the first semicircular arc are respectively provided with a first clamping groove used for accommodating the first coil, and the inner side surface of the first clamping groove is used for blocking and abutting against the first coil so as to prevent the first coil from falling off from the first semicircular arc.

Wherein, the second ring includes two second semicircle arcs of being connected with the fixed disk is dismantled, and the quantity of second coil is two, and two second coils are established respectively in the outside of two second semicircle arcs.

The two ends of the second semi-arc are respectively provided with a second clamping groove used for accommodating the second coil, and the inner side surface of the second clamping groove is used for stopping and abutting against the second coil so as to prevent the second coil from falling off from the second semi-arc.

Wherein, the second semicircle includes semicircle board and sets up in the semi-arc portion of semicircle board, and semicircle board can be dismantled with the fixed disk and be connected, and the second draw-in groove sets up in semi-arc portion, and the combination of semi-arc portion of two second semicircles forms the ring.

Wherein, the fixed disk is equipped with the locating hole, and the second semicircle has the semi-axis portion that sets up in the semicircle board, and semi-axis portion, semi-arc portion are located the both sides of semicircle board respectively, and the semi-axis portion combination of two second semicircles forms the location axle that is located the locating hole.

The coil comprises a copper wire, an insulating paint sheath coated on the outer side of the copper wire and an insulating yarn sleeve coated on the outer side of the insulating paint sheath.

The invention has the beneficial effects that: during the in-service use, utilize first coil, the second coil of first tool of magnetizing to magnetize respectively the magnetic substance with the same side different positions handle for the magnetic substance presents different polarities with the same side different positions, compares in prior art and magnetizes twice to the magnetic substance step by step, promotes magnet manufacturing efficiency and makes the yield.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a three-dimensional structure of the magnetizing jig of the present invention after coils are hidden;

FIG. 3 is a top view of the mounting plate and first ring of the present invention;

FIG. 4 is a front view of a second semi-circular arc of the present invention;

fig. 5 is a schematic structural diagram of a conductive wire according to the present invention.

The reference numerals include:

1-magnetizing movement 2-bearing mechanism 3-frame

4-fixed disk 5-first ring 6-second ring

7-driving piece 8-carrier 9-guide rod

11-carrier plate 12-linear bearing 13-first semicircular arc

14-first slot 15-second semi-circular arc 16-second slot

17-semicircular plate part 18-semicircular arc part 19-positioning hole

21-half shaft part 22-copper wire 23-insulating paint sheath

And 24, insulating yarn sleeves.

Detailed Description

For the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

Referring to fig. 1 to 5, a magnetic coplanar bipolar magnetizing apparatus of the present invention includes a magnetizing core 1 and a carrying mechanism 2 cooperating with the magnetizing core 1, wherein the carrying mechanism 2 is used for carrying an external magnetic body, and the magnetizing core 1 magnetizes the magnetic body carried by the carrying mechanism 2 as a magnet. The magnetizing movement 1 is a movement unit of the magnetizing apparatus, and the magnetizing movement 1 is the prior art and is not described herein again.

The bearing mechanism 2 comprises a rack 3 and a first magnetizing jig arranged on the rack 3, wherein the first magnetizing jig comprises a fixed disc 4 detachably connected with the rack 3, a first circular ring 5 and a second circular ring 6 arranged on the fixed disc 4, and a first coil and a second coil which are respectively sleeved on the outer side of the first circular ring 5 and the outer side of the second circular ring 6. In this embodiment, the fixed disk 4 is a substantially circular flat plate, and the central axis of the fixed disk 4, the central axis of the first circular ring 5, and the central axis of the second circular ring 6 are overlapped, so as to ensure the balance of weight distribution at each part of the magnetizing jig and ensure the installation stability of the magnetizing jig.

First ring 5 encircles the setting of second ring 6, and the radius of first ring 5 is greater than the radius of second ring 6, has the clearance between first ring 5 and the second ring 6, and the coil subsides are established on the lateral surface of ring, and partly of first coil, partly of second coil all are located the clearance between first ring 5 and the second ring 6.

The first ring 5 and the second ring 6 are used for respectively abutting against different parts of the same side of the magnetic body, for example, the first ring 5 and the second ring 6 respectively abut against the left end and the right end of the same side of the magnetic body, the magnetizing movement 1 acts on the first coil and the second coil of the bearing jig, and the different parts of the same side of the magnetic body are respectively magnetized into an N pole and an S pole.

During the in-service use, utilize first coil, the second coil of first tool of magnetizing to magnetize respectively the magnetic substance with the same side different positions handle for the magnetic substance presents different polarities with the same side different positions, compares in prior art and magnetizes twice to the magnetic substance step by step, promotes magnet manufacturing efficiency and makes the yield.

The bearing mechanism 2 further comprises a driving part 7 arranged on the rack 3 and a second magnetizing jig connected with an output end of the driving part 7, in this embodiment, the driving part 7 is a cylinder, an oil cylinder or an electric cylinder, the reciprocating movement of the second magnetizing jig is realized by means of the expansion and contraction of a piston rod of the driving part 7, the structure of the second magnetizing jig is the same as that of the first magnetizing jig, the driving part 7 is used for driving the second magnetizing jig to be close to or far away from the first magnetizing jig, and the ring of the second magnetizing jig and the ring of the first magnetizing jig are used for clamping a magnetic body.

During practical use, the magnetic body is placed on the first magnetizing jig or/and the rack 3, so that the first circular ring 5 and the second circular ring 6 of the first magnetizing jig support the left end and the right end of the bottom surface of the magnetic body respectively, then the driving piece 7 drives the second magnetizing jig to move towards the direction close to the first magnetizing jig until the second magnetizing jig abuts against the top surface of the magnetic body, the magnetic body is clamped and positioned by utilizing the two magnetizing jigs, the first circular ring 5 and the second circular ring 6 of the second magnetizing jig abut against the left end and the right end of the top surface of the magnetic body, then the magnetizing machine core 1 acts on coils of the two magnetizing jigs, and different parts of the same side of the magnetic body are magnetized into an N pole and an S pole respectively.

Of course, at the in-process of in-service use, the user can increase the quantity of the ring of tool that magnetizes, and each ring all overlaps and is equipped with the coil, has the ring to be the concentric ring setting more, and all rings of the same tool that magnetizes contradict the different positions of magnetic body respectively, so, can magnetize out a plurality of different polarities with one side of magnetic body.

The machine frame 3 is provided with a carrying platform 8 and two parallel guide rods 9, the output end of the driving piece 7 is connected with a support plate 11 positioned above the carrying platform 8, the support plate 11 is provided with linear bearings 12 respectively sleeved on the outer sides of the two guide rods 9 in a sliding manner, and the fixed disc 4 of the second magnetizing jig is arranged on the lower end of the support plate 11. When the driving part 7 drives the carrier plate 11 to move the second magnetizing jig back and forth, the second magnetizing jig is ensured to move accurately by means of the cooperation of the guide rod 9 and the linear bearing 12, the second magnetizing jig is prevented from being inclined in the moving process, and the two magnetizing jigs are ensured to be accurately matched.

The carrying platform 8 is provided with a groove, the magnetizing jig is detachably connected to the carrying platform 8 and is positioned in the groove, the magnetizing jig penetrates through the bottom surface of the groove, the groove is formed by being concavely arranged on one side, close to the carrying plate 11, of the carrying platform 8, the groove is used for accommodating a carrying piece carrying a magnetic body, and the inner side surface of the groove is used for stopping and limiting the carrying piece.

After the carrier is placed in the groove, the inner side of the groove is blocked and abutted against the outer side of the carrier, so that the carrier and the magnetic body are limited, in the magnetizing process of the two magnetizing jigs for the magnetic body, the phenomenon that the position of the magnetic body is changed to cause poor magnetizing is avoided, and the magnetizing yield of the magnetic body is improved.

The magnetic body coplanar bipolar magnetizing device further comprises a carrying piece used for carrying the magnetic bodies, the carrying piece is provided with a plurality of accommodating grooves, the plurality of magnetic bodies are respectively accommodated in the plurality of accommodating grooves, and the limiting magnetic bodies are blocked by means of the inner groove surfaces of the accommodating grooves, so that the magnetic bodies are prevented from moving relative to the carrying piece and being badly used.

The carrier injection molding is provided with a covering layer for packaging the magnetic body on the carrier, the magnetic body is packaged on the carrier by means of the covering layer, the magnetic body is stably installed and positioned on the carrier, and the phenomenon that the position of the magnetic body is changed to cause poor magnetizing is avoided.

The multiple magnetic parts on the carrying part are surrounded to form a ring matched with the ring, the first ring 5 and the second ring 6 are used for abutting against the multiple magnetic bodies of the ring, and the magnetizing movement 1 acts on the coil of the carrying jig and respectively magnetizes different parts of the same side of all the magnetic bodies of the ring into an N pole and an S pole. Therefore, the magnetic body coplanar bipolar magnetizing device can magnetize the same sides of all the magnetic bodies of the ring into different polarities at one time, and further assist in improving the magnetizing efficiency.

First ring 5 is including setting up two first semicircle arcs 13 on fixed disk 4, and first semicircle arc 13 and fixed disk 4 formula structure as an organic whole, during actual manufacturing, casts fixed disk 4 and first semicircle arc 13 with the help of the casting mould once, promotes manufacturing efficiency. The fixed disk 4 and the first semicircular arc 13 are preferably made of cast iron, and of course, the fixed disk 4 and the first semicircular arc 13 can also be made of a material containing cobalt or nickel according to actual needs. The number of the first coils is two, the two first coils are respectively sleeved on the outer sides of the two first semicircular arcs 13, and the first coils are attached to the outer side faces of the first semicircular arcs 13.

The two ends of the first semicircular arc 13 are respectively provided with a first clamping groove 14 for accommodating the first coil, and the inner side surface of the first clamping groove 14 is used for stopping and abutting against the first coil so as to prevent the first coil from falling off from the first semicircular arc 13. The first clamping groove 14 is formed by concavely arranging the end faces of the first semicircular arcs 13, the first clamping groove 14 is formed by concavely arranging one ends, close to each other, of the two first semicircular arcs 13, and the first clamping groove 14 is located in the middle of the first semicircular arcs 13.

In practical use, the wires are wound on the outer side surface of the first semicircular arc 13 to form a first coil, the wires are all located in the first clamping groove 14 and are pressed on the bottom surface of the first clamping groove 14, and the inner side surface of the first clamping groove 14 faces the first coil to stop and abut against the first coil, so that the first coil is prevented from falling off from the first semicircular arc 13, and the first coil is ensured to be stably limited on the first semicircular arc 13.

The second ring 6 comprises two second semi-arcs 15 detachably connected with the fixed disc 4, the number of the second coils is two, and the two second coils are respectively sleeved on the outer sides of the two second semi-arcs 15. The second coil is attached to the outer side surface of the second semicircle 15.

The two ends of the second semi-circular arc 15 are both provided with second clamping grooves 16 used for accommodating second coils, the second clamping grooves 16 are formed by concavely arranging one ends of the two second semi-circular arcs 15 close to each other, and the inner side surfaces of the second clamping grooves 16 are used for stopping and abutting against the second coils so as to prevent the second coils from falling off from the second semi-circular arcs 15, so that the second coils are ensured to be stably sleeved on the outer sides of the second semi-circular arcs 15. In actual manufacturing, a wire is wound outside the second semicircular arc 15 to form a second coil, and the wire is located in the second slot 16 and pressed on the bottom surface of the second slot 16.

Second semicircle 15 formula structure as an organic whole, second semicircle 15 include semicircle board 17 and set up the semicircle arc 18 on semicircle board 17, and semicircle board 17 can be dismantled with fixed disk 4 and be connected, and second draw-in groove 16 sets up on semicircle arc 18, and second draw-in groove 16 is established from the terminal surface of semicircle arc 18 is concave and is formed, and second draw-in groove 16 is located the middle part of semicircle arc 18, and the combination of the semicircle arc 18 of two second semicircle 15 forms the ring.

During the in-service use, establish the outside at second semicircle 15 with the second coil cover earlier, then set up second semicircle 15 on fixed disk 4 together with the installation of second coil, promote the installation effectiveness and the installation yield of second coil. In this embodiment, fixed disk 4 is equipped with the perforation, and semicircle board 17 has the screw hole, and the screw is worn through the perforation spiro union in the screw hole, installs semicircle board 17 and fixed disk 4 together fast with the help of the screw, promotes the dismouting efficiency of fixed disk 4 and second semicircle 15.

The fixed disk 4 is provided with positioning holes 19, the second half arcs 15 are provided with half shaft parts 21 arranged on the half circular plate parts 17, the half shaft parts 21 and the half arc parts 18 are respectively positioned at the left side and the right side of the half circular plate parts 17, and the half shaft parts 21 of the two second half arcs 15 are combined to form a positioning shaft positioned in the positioning holes 19.

After the second coil is sleeved on the second semicircular arcs 15, the two second semicircular arcs 15 are attached together, then the positioning shafts formed by combining the half shaft parts 21 of the two second semicircular arcs 15 are arranged in the positioning holes 19, and then the semicircular plate parts 17 are fixed on the fixed plate 4 through screws and the like, so that assembly is realized.

The coil comprises a copper wire 22, an insulating varnish sheath 23 coated outside the copper wire 22, and an insulating yarn sleeve 24 coated outside the insulating varnish sheath 23. The double-layer insulation protection of the insulating paint sheath 23 and the insulating yarn sleeve 24 ensures the stability of coil insulation and avoids poor use caused by electric leakage of the coil. Meanwhile, the strength of the coil is improved, and the coil is prevented from being broken and is not used well.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims

1. A magnetic body coplane bipolar magnetizing device comprises a magnetizing movement and a bearing mechanism matched with the magnetizing movement, wherein the bearing mechanism is used for bearing a magnetic body, and the magnetizing movement magnetizes the magnetic body borne by the bearing mechanism into a magnet; the method is characterized in that: the bearing mechanism comprises a rack and a first magnetizing jig, wherein the first magnetizing jig comprises a fixed disc detachably connected with the rack, a first circular ring and a second circular ring which are arranged on the fixed disc, and a first coil and a second coil which are respectively sleeved on the outer side of the first circular ring and the outer side of the second circular ring; the first ring is arranged around the second ring, the first ring and the second ring are used for respectively abutting against different parts of the same side of the magnetic body, the magnetizing movement acts on the first coil and the second coil of the bearing jig, and the different parts of the same side of the magnetic body are respectively magnetized into an N pole and an S pole.

2. The magnetic coplanar bipolar magnetizing apparatus as set forth in claim 1, wherein: the bearing mechanism further comprises a driving piece arranged on the rack and a second magnetizing jig connected with the output end of the driving piece, the structure of the second magnetizing jig is the same as that of the first magnetizing jig, the driving piece is used for driving the second magnetizing jig to be close to or far away from the first magnetizing jig, and the ring of the second magnetizing jig and the ring of the first magnetizing jig are used for clamping the magnetic body.

3. The magnetic coplanar bipolar magnetizing apparatus as set forth in claim 2, wherein: the rack is provided with a carrying platform and two parallel guide rods, the output end of the driving piece is connected with a support plate positioned above the carrying platform, the support plate is provided with linear bearings which are respectively sleeved on the outer sides of the two guide rods in a sliding manner, and a fixed disc of the second magnetizing jig is arranged on the support plate; the carrying platform is provided with a groove, the magnetizing jig is detachably connected to the carrying platform and is positioned in the groove, the groove is formed by being concavely arranged on one side, close to the carrying plate, of the carrying platform, the groove is used for accommodating a carrying piece carrying a magnetic body, and the inner side face of the groove is used for stopping and limiting the carrying piece.

4. The magnetic coplanar bipolar magnetizing apparatus as set forth in claim 1, wherein: the magnetic material injection molding device is characterized by further comprising a carrier used for carrying magnetic materials, wherein the carrier is provided with a plurality of accommodating grooves, the number of the magnetic materials is multiple, the plurality of the magnetic materials are respectively accommodated in the plurality of accommodating grooves, and the carrier is injection molded with a covering layer used for packaging the magnetic materials on the carrier; the multiple magnetic parts on the carrier part are surrounded to form a ring matched with the ring, the first ring and the second ring are used for abutting against the multiple magnetic bodies of the ring, and the magnetizing machine core acts on the coil of the bearing jig and magnetizes different parts of the same side of all the magnetic bodies of the ring into an N pole and an S pole respectively.

5. The magnetic coplanar bipolar magnetizing apparatus as set forth in claim 1, wherein: the first circular ring comprises two first semi-circular arcs arranged on the fixed disc, the number of the first coils is two, and the two first coils are sleeved on the outer sides of the two first semi-circular arcs respectively; the two ends of the first semicircular arc are respectively provided with a first clamping groove used for accommodating the first coil, and the inner side surface of the first clamping groove is used for blocking and abutting against the first coil so as to prevent the first coil from falling off from the first semicircular arc.

6. The magnetic coplanar bipolar magnetizing apparatus as set forth in claim 1, wherein: the second ring includes two second semicircle arcs of being connected with the fixed disk can be dismantled, and the quantity of second coil is two, and two second coils are established respectively in the outside of two second semicircle arcs.

7. The magnetic coplanar bipolar magnetizing apparatus as set forth in claim 6, wherein: and the two ends of the second semi-arc are respectively provided with a second clamping groove used for accommodating the second coil, and the inner side surface of the second clamping groove is used for stopping and abutting against the second coil so as to prevent the second coil from falling off from the second semi-arc.

8. The magnetic coplanar bipolar magnetizing apparatus as set forth in claim 7, wherein: the second semicircle includes semicircle board and sets up in the semi-arc portion of semicircle board, and semicircle board can be dismantled with the fixed disk and be connected, and the second draw-in groove sets up in semi-arc portion, and the combination of semi-arc portion of two second semicircle forms the ring.

9. The magnetic coplanar bipolar magnetizing apparatus as set forth in claim 8, wherein: the fixed disk is provided with a positioning hole, the second semi-arcs are provided with semi-axis parts arranged on the semi-circle plate parts, the semi-axis parts and the semi-arc parts are respectively positioned on two sides of the semi-circle plate parts, and the semi-axis parts of the two second semi-arcs are combined to form a positioning shaft positioned in the positioning hole.

10. The magnetic coplanar bipolar magnetizing apparatus as set forth in claim 1, wherein: the coil comprises a copper wire, an insulating paint sheath coated on the outer side of the copper wire and an insulating yarn sleeve coated on the outer side of the insulating paint sheath.