CN213815716U

CN213815716U - Neodymium iron boron magnetic sheet pre-magnetizing device

Info

Publication number: CN213815716U
Application number: CN202023344614.1U
Authority: CN
Inventors: 朱统敏; 朱维君
Original assignee: Ningbo Giantank Magnet Co ltd
Current assignee: Ningbo Giantank Magnet Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-07-27
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a neodymium iron boron magnetic sheet pre-magnetizing device, including the conveyer belt, be equipped with the first deflector roll, second deflector roll and the third deflector roll that are triangle-shaped distribution above the conveyer belt, enclose between first deflector roll, second deflector roll and the third deflector roll and be equipped with a compression band, be equipped with the mechanism that magnetizes in the region that the compression band encloses, the part that the compression band is located between first deflector roll and the second deflector roll with form the region of magnetizing between the conveyer belt, first deflector roll and second deflector roll all are connected with the movable guide rail that can transversely move, the third deflector roll is connected with quiet guide rail, first deflector roll, second deflector roll and third deflector roll all can vertically move on corresponding guide rail; and a pair of pressing plates which are tightly attached to the pressing belt and have adjustable relative distance are arranged above the part of the pressing belt between the first guide roller and the second guide roller. The utility model has the advantages of the difficult emergence of position of magnetizing blocks up, neodymium iron boron magnetic sheet conveying stability is high.

Description

Neodymium iron boron magnetic sheet pre-magnetizing device

Technical Field

The utility model relates to a magnetic sheet magnetizes technical field, especially a neodymium iron boron magnetic sheet pre-magnetizing device.

Background

At present, the neodymium iron boron magnetic sheet is generally subjected to a pre-magnetizing procedure before being magnetized to be saturated, and the neodymium iron boron magnetic sheet is pre-magnetized to enable the neodymium iron boron magnetic sheet to have weak magnetism and can be mutually attracted together, so that arrangement and subsequent batch magnetizing are convenient, labor force is saved, working efficiency is improved, and human errors are reduced. The existing pre-magnetizing equipment such as a permanent magnet pre-magnetizing machine disclosed in patent publication No. CN209232533U and a pre-magnetizing system disclosed in patent publication No. CN 109786064A are provided with pressing belts which are connected through guide rollers and arranged into a triangle, and the conveyed neodymium iron boron magnetic sheets can be limited between the pressing belts and the conveying belt, so that the arrangement of the neodymium iron boron magnetic sheets is ensured to be orderly when pre-magnetizing is carried out, but the neodymium iron boron magnetic sheets sometimes bounce up and down under the action of a magnetic field, and the pressing belts are flexible, so that the neodymium iron boron magnetic sheets can generate large displacement after bouncing, and are easily attracted and stacked with the adjacent neodymium iron boron magnetic sheets to cause the blockage of a magnetizing position; in addition, impact after the neodymium iron boron magnetic sheet jumps can also influence the normal operation of the pressing belt. Therefore, the existing pre-magnetizing equipment has the problems that the magnetizing position has the blocking risk and the neodymium iron boron magnetic sheet has low transmission stability.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a neodymium iron boron magnetic sheet pre-magnetizing device. It has the advantages of difficult blockage at the magnetizing position and high transmission stability of the neodymium iron boron magnetic sheets.

The technical scheme of the utility model: a pre-magnetizing device for neodymium iron boron magnetic sheets comprises a conveying belt, wherein a first guide roller, a second guide roller and a third guide roller which are distributed in a triangular mode are arranged above the conveying belt, a pressing belt is arranged among the first guide roller, the second guide roller and the third guide roller in an enclosing mode, a magnetizing mechanism is arranged in an area enclosed by the pressing belt, a magnetizing area is formed between the part, located between the first guide roller and the second guide roller, of the pressing belt and the conveying belt, and a pair of pressing plates which are tightly attached to the pressing belt and adjustable in relative distance is arranged above the part, located between the first guide roller and the second guide roller, of the pressing belt; but first deflector roll and second deflector roll all are connected with lateral shifting's movable guide rail, the third deflector roll is connected with quiet guide rail, first deflector roll, second deflector roll and third deflector roll all can be on corresponding guide rail longitudinal movement.

Compared with the prior art, the beneficial effects of the utility model are embodied in: the pair of pressing plates are arranged above the pressing belt between the first guide roller and the second guide roller to effectively limit the pre-magnetized neodymium-iron-boron magnetic sheet, when the pre-magnetized neodymium-iron-boron magnetic sheet jumps, the pressing plates can stabilize the jumping of the neodymium-iron-boron magnetic sheet, so that the neodymium-iron-boron magnetic sheet does not influence other adjacent neodymium-iron-boron magnetic sheets, the neodymium-iron-boron magnetic sheet cannot be stacked at the magnetizing position of the neodymium-iron-boron magnetic sheet to block a channel, and the transmission stability of the neodymium-iron-boron magnetic sheet is good; according to the length difference of neodymium iron boron magnetic sheet, can corresponding adjustment distance between a pair of clamp plate, satisfy the pre-magnetization demand of different length neodymium iron boron magnetic sheet, it is corresponding with this, the lateral distance between first deflector roll and the second deflector roll also can adjust to the installation headspace of giving the clamp plate. In addition, due to the existence of the pressing plate, when the neodymium iron boron magnetic sheet jumps, the impact of the neodymium iron boron magnetic sheet on the pressing belt can be weakened, so that the pressing belt can stably run.

In the aforesaid neodymium iron boron magnetic sheet pre-magnetizing device, the both sides of conveyer belt are equipped with the frame, it all connects in the frame to magnetize the mechanism, move guide rail, quiet guide rail and clamp plate.

In the pre-magnetizing device for the neodymium iron boron magnetic sheet, the transverse rail is arranged on the rack, and the movable guide rail is connected with the transverse rail.

In the pre-magnetizing device for the neodymium iron boron magnetic sheets, the longitudinal rail is arranged on the rack, and the magnetizing mechanism is connected with the longitudinal rail.

In the pre-magnetizing device for the neodymium iron boron magnetic sheets, a plurality of long round holes which are longitudinally arranged in parallel are formed in the rack, and the pressing plate is fixed on the rack through the connection of the bolts and the nuts and the long round holes.

In the aforementioned neodymium iron boron magnetic sheet pre-magnetizing device, magnetizing mechanism includes last connecting portion and lower connecting portion of mutual joggle, go up connecting portion and be connected with vertical track, the top of going up connecting portion has height control handle through bolted connection, the below of lower connecting portion is connected with the head of magnetizing.

Among the aforementioned a neodymium iron boron magnetic sheet pre-magnetizing device, the conveyer belt top that is located the regional entrance side of magnetizing is equipped with neodymium iron boron magnetic sheet leveling mechanism, neodymium iron boron magnetic sheet leveling mechanism is including two pairs of movable guiding mechanism that are located conveyer belt top both sides, and every is to leaving the passageway that can supply the neodymium iron boron magnetic sheet to pass through between the guiding mechanism that every activity, keeps away from a pair of movable guiding mechanism top that magnetizes the region and is equipped with the flattening roller.

In the pre-magnetizing device for the neodymium iron boron magnetic sheets, the movable guide mechanism comprises a movable rod fixed on the rack, the tail end of the movable rod is rotatably connected with a bending guide plate, and a spring is connected between the bending guide plate and the movable rod.

In the aforesaid neodymium iron boron magnetic sheet pre-magnetizing device, the leveling roller is connected in the frame through the altitude mixture control support, be equipped with evenly distributed's elastic spherical body on the cylinder surface of leveling roller.

In the pre-magnetizing device for the neodymium iron boron magnetic sheets, the movable rod is provided with a slotted hole, and the movable rod is fixed on the rack through connection of a bolt and a nut with the slotted hole.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of an arrangement of first, second and third guide rollers;

FIG. 3 is a schematic structural diagram of a leveling mechanism for Nd-Fe-B magnetic sheets;

FIG. 4 is a schematic structural view of a movable guide mechanism;

fig. 5 is a schematic view of the construction of a smoothing roll.

Reference numerals: the device comprises a conveying belt 1, a first guide roller 2, a second guide roller 3, a third guide roller 4, a pressing belt 5, a magnetizing mechanism 6, a pressing plate 7, a movable guide rail 8, a static guide rail 9, a rack 10, a neodymium iron boron magnetic sheet leveling mechanism 11, an upper connecting part 61, a lower connecting part 62, a height adjusting handle 63, a magnetic charging head 64, a movable guide mechanism 111, a leveling roller 112, a movable rod 1111, a movable rod 1112, a bending guide plate 1113, a spring 1114, a slotted hole 1121, a height adjusting support 1122 and an elastic spherical body.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Example (b): a pre-magnetizing device for neodymium iron boron magnetic sheets is structurally shown in figures 1-5 and comprises a conveying belt 1, wherein a first guide roller 2, a second guide roller 3 and a third guide roller 4 which are distributed in a triangular mode are arranged above the conveying belt 1, a pressing belt 5 is arranged among the first guide roller 2, the second guide roller 3 and the third guide roller 4 in an enclosing mode, a magnetizing mechanism 6 is arranged in an area enclosed by the pressing belt 5, a magnetizing area is formed between the part, located between the first guide roller 2 and the second guide roller 3, of the pressing belt 5 and the conveying belt 1, and a pair of pressing plates 7 which are tightly attached to the pressing belt 5 and are adjustable in relative distance is arranged above the part, located between the first guide roller 2 and the second guide roller 3, of the pressing belt 5; the first guide roller 2 and the second guide roller 3 are both connected with a movable guide rail 8 which can move transversely, the third guide roller 4 is connected with a static guide rail 9, the first guide roller 2, the second guide roller 3 and the third guide roller 4 can move longitudinally on the corresponding guide rails, because the first guide roller 2 and the second guide roller 3 can be adjusted in position in the transverse direction and the longitudinal direction, the third guide roller 4 can be adjusted in position in the longitudinal direction, the position adjustment range of the three guide rollers is large, the adjustment is more flexible, in practical application, the longitudinal height of the first guide roller 2 can be slightly higher than that of the second guide roller 3, as shown in fig. 2, the pressing belt 5 between the first guide roller 2 and the second guide roller 3 forms an included angle of 1 degree with the horizontal plane, because the first guide roller 2 is located at the inlet end where the ndfeb magnetic sheet enters the magnetizing area, the height of the magnetic sheet is slightly higher, so that the probability of blocking and blocking of the neodymium iron boron magnetic sheet at the inlet end of the magnetizing area can be reduced.

Preferably, the two sides of the conveyor belt 1 are provided with a frame 10, and the magnetizing mechanism 6, the movable guide rail 8, the static guide rail 9 and the pressing plate 7 are all connected to the frame 10, so that the integrity is good.

Preferably, the frame 10 is provided with a transverse rail, and the movable guide rail 8 is connected with the transverse rail.

Preferably, the frame 10 is provided with a longitudinal rail, and the magnetizing mechanism 6 is connected with the longitudinal rail.

Preferably, a plurality of long round holes which are longitudinally arranged in parallel are formed in the machine frame 10, and the pressing plate 7 is fixedly arranged on the machine frame 10 through connection of bolts and nuts and the long round holes, so that the position of the pressing plate 7 can be conveniently adjusted.

Preferably, the magnetizing mechanism 6 comprises an upper connecting part 61 and a lower connecting part 62 which are joggled with each other, the upper connecting part 61 is connected with the longitudinal rail, the top of the upper connecting part 61 is connected with a height adjusting handle 63 through a bolt, and a magnetizing head 64 is connected below the lower connecting part 62, so that the position of the magnetizing head 64 can be conveniently adjusted.

As preferred, be located the conveyer belt 1 top of the regional entrance side of magnetizing and be equipped with neodymium iron boron magnetic sheet leveling mechanism 11, neodymium iron boron magnetic sheet leveling mechanism 11 is including being located two pairs of movable guiding mechanism 111 of conveyer belt 1 top both sides, leaves the passageway that can supply the neodymium iron boron magnetic sheet to pass through between every pair of movable guiding mechanism 111, keeps away from the regional a pair of movable guiding mechanism 111 top of magnetizing and is equipped with leveling roller 112, makes the neodymium iron boron magnetic sheet can carry out the adjustment of position in advance before getting into the region of magnetizing, makes its range more neat.

Preferably, the movable guide 111 includes a movable rod 1111 fixed to the frame 10, a bending guide 1112 is rotatably connected to an end of the movable rod 1111, a spring 1113 is connected between the bending guide 1112 and the movable rod 1111, and when the ndfeb magnet sheet hits the bending guide 1112, a resilient force of the spring 1113 can correct a position of the ndfeb magnet sheet in a horizontal direction.

As preferred, the leveling roller 112 is connected on the frame 10 through height adjusting bracket 1121, can be according to the neodymium iron boron magnetic sheet thickness adjustment height of difference, and its rotational linear velocity equals with conveyer belt 1 transfer speed, be equipped with evenly distributed's elastic spherical body 1122 on the cylinder surface of leveling roller 112, leveling roller 112 is used for correcting the position of neodymium iron boron magnetic sheet in vertical direction, and elastic spherical body 1122 adopts flexible deformation material, and when leveling roller 112 rotated, elastic spherical body 1122 can take place to deform with the neodymium iron boron magnetic sheet contact, with the neodymium iron boron magnetic sheet at vertical direction flattening.

Preferably, the movable rod 1111 is provided with a slot 1114, the movable rod 1111 is fixed on the frame 10 through the connection of a bolt and a nut with the slot 1114, and the position of the movable guide mechanism 111 on the frame 10 can be adjusted.

The utility model discloses a theory of operation: according to the length of neodymium iron boron magnetic sheet, thickness, adjust first deflector roll 2, second deflector roll 3, third deflector roll 4, magnetizing mechanism 6, pressing plate 7, the position of activity guiding mechanism 111 and flattening roller 112, make its ability adaptation neodymium iron boron magnetic sheet size, the neodymium iron boron magnetic sheet is followed conveyer belt 1 transmission after coming out from the vibration dish, correct the position of neodymium iron boron magnetic sheet in horizontal direction and vertical direction respectively through activity guiding mechanism 111 and flattening roller 112 at the regional entry end that magnetizes, it is regional to get into the magnetization afterwards, magnetize the neodymium iron boron magnetic sheet by magnetizing head 64, pressing plate 7 can play limiting displacement to the neodymium iron boron magnetic sheet, the beat that probably takes place when effectively alleviateing neodymium iron boron magnetic sheet pre-magnetization.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Above is only the preferred embodiment of the present invention, the protection scope of the present invention is not limited to the above-mentioned embodiments, all belong to the technical scheme of the utility model under the thought all belong to the protection scope of the present invention. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a neodymium iron boron magnetic sheet device that magnetizes in advance, includes conveyer belt (1), conveyer belt (1) top is equipped with first deflector roll (2), second deflector roll (3) and third deflector roll (4) that are triangular distribution, it is equipped with a compression band (5) to enclose between first deflector roll (2), second deflector roll (3) and third deflector roll (4), be equipped with in the region that compression band (5) enclose and magnetize mechanism (6), the part that compression band (5) are located between first deflector roll (2) and second deflector roll (3) with it magnetizes regional, its characterized in that to form between conveyer belt (1): a pair of pressing plates (7) which are tightly attached to the pressing belt (5) and have adjustable relative distance are arranged above the part of the pressing belt (5) between the first guide roller (2) and the second guide roller (3); but first deflector roll (2) and second deflector roll (3) all are connected with lateral shifting's movable guide rail (8), third deflector roll (4) are connected with quiet guide rail (9), first deflector roll (2), second deflector roll (3) and third deflector roll (4) all can be on corresponding the guide rail longitudinal movement.

2. A pre-magnetizing apparatus for ndfeb magnetic sheets according to claim 1, wherein: the two sides of the conveyor belt (1) are provided with a rack (10), and the magnetizing mechanism (6), the movable guide rail (8), the static guide rail (9) and the pressing plate (7) are all connected to the rack (10).

3. A pre-magnetizing apparatus for ndfeb magnetic sheets according to claim 2, wherein: the machine frame (10) is provided with a transverse track, and the movable guide rail (8) is connected with the transverse track.

4. A pre-magnetizing apparatus for ndfeb magnetic sheets according to claim 2, wherein: the machine frame (10) is provided with a longitudinal rail, and the magnetizing mechanism (6) is connected with the longitudinal rail.

5. A pre-magnetizing apparatus for ndfeb magnetic sheets according to claim 2, wherein: the frame (10) is provided with a plurality of long round holes which are longitudinally arranged in parallel, and the pressing plate (7) is fixed on the frame (10) through the connection of bolts and nuts and the long round holes.

6. A pre-magnetizing device for NdFeB magnetic sheets according to claim 4, characterized in that: magnetizing mechanism (6) are including last connecting portion (61) and lower connecting portion (62) of mutual joggle joint, go up connecting portion (61) and be connected with vertical track, the top of going up connecting portion (61) has height control handle (63) through bolted connection, the below of lower connecting portion (62) is connected with and fills magnetic head (64).

7. A pre-magnetizing apparatus for ndfeb magnetic sheets according to claim 1, wherein: be located conveyer belt (1) top of the regional entrance side of magnetizing and be equipped with neodymium iron boron magnetic sheet leveling mechanism (11), neodymium iron boron magnetic sheet leveling mechanism (11) are including two pairs of movable guiding mechanism (111) that are located conveyer belt (1) top both sides, and every is left the passageway that can supply the neodymium iron boron magnetic sheet to pass through between every pair of movable guiding mechanism (111), keeps away from a pair of movable guiding mechanism (111) top of the regional area of magnetizing and is equipped with flattening roller (112).

8. A pre-magnetizing apparatus for NdFeB magnetic sheets according to claim 7, wherein: activity guiding mechanism (111) is including being fixed in movable rod (1111) of frame (10), movable rod (1111) end is rotated and is connected with one and bends baffle (1112), be connected with spring (1113) between bending baffle (1112) and movable rod (1111).

9. A pre-magnetizing apparatus for NdFeB magnetic sheets according to claim 7, wherein: the leveling roller (112) is connected to the frame (10) through a height adjusting support (1121), and elastic spherical bodies (1122) which are uniformly distributed are arranged on the outer cylindrical surface of the leveling roller (112).

10. A pre-magnetizing apparatus for ndfeb magnetic sheets according to claim 8, wherein: a slotted hole (1114) is formed in the movable rod (1111), and the movable rod (1111) is fixed on the rack (10) through connection of a bolt and a nut with the slotted hole (1114).