CN216442276U - Neodymium iron boron permanent magnetism sintered body small batch volume body grinding device - Google Patents

Abstract

The application discloses a neodymium iron boron permanent magnet sintered body small-batch body polishing device which comprises a base, wherein a toothed ring is concentrically connected to the base in a switching mode, a transmission gear is meshed and adapted to the peripheral side wall of the toothed ring, the transmission gear is connected to the base in a rotating mode, and triangular claws are coaxially and collinearly fixed on the transmission gear; a notch wheel disc is arranged at the center of the base and at one side of the triangular claw, a rod body is arranged on the notch central line of the notch wheel disc, the end of the rod body is matched with the three claw grooves of the triangular claw, and a driving source for driving the notch wheel disc is arranged on the notch wheel disc; the upper surface of the toothed ring is annularly provided with 6 flanges, a rotating motor is arranged right above one flange, a brush head is fixed on the side edge of the power output end of the rotating motor, and the brush head is in interference fit with the wall surface of the annular neodymium iron boron magnet; this application is effectively to all-round polishing of annular neodymium iron boron magnetism body, and replaces artifical and large-scale production line of polishing through small batch production operation, saves time cost, improves work efficiency.

Description

Neodymium iron boron permanent magnetism sintered body small batch volume body grinding device

Technical Field

The utility model relates to the technical field of rare earth material processing, in particular to a small-batch body polishing device for neodymium iron boron permanent magnet sintered bodies.

Background

Neodymium iron boron has the characteristics of small volume, light weight and strong magnetism, is a magnet with the best performance-price ratio so far, and is expected to have no magnetic material capable of replacing neodymium iron boron in the future 20-30 years. The neodymium iron boron as a third-generation rare earth permanent magnet material has a high cost performance, is widely applied to industries such as energy, transportation, machinery, medical treatment, IT, household appliances and the like, and particularly brings new applications to functional materials such as the rare earth permanent magnet neodymium iron boron industry and the like along with the development of knowledge economy represented by information technology, thereby bringing wider market prospects to the neodymium iron boron industry.

In practical application, because the existing neodymium iron boron magnet has various shapes, the technical processes of machining, grinding, surface plating and the like can be involved in the processing process of the neodymium iron boron magnet, wherein the annular neodymium iron boron magnet needs to be ground before being formed so as to improve the glossiness of the surface of the neodymium iron boron magnet, and on the basis, how to design a method for comprehensively and thoroughly grinding each wall surface of the annular neodymium iron boron magnet and adapting to the annular neodymium iron boron magnets with different diameters is crucial; on the other hand, in order to save cost in a small-scale factory building, a manual polishing mode is adopted to replace a large polishing production line in a common situation, but the manual polishing mode is adopted to increase the workload of workers to a large building, and meanwhile, the time cost is increased.

Disclosure of Invention

In view of the above, the utility model aims to provide a neodymium iron boron permanent magnet sintering small-batch volume polishing device, which effectively solves the problems that annular neodymium iron boron magnets are not polished in place and cannot be adapted to various types of annular neodymium iron boron magnets at the same time by combining a geneva mechanism, a transmission gear and a toothed ring, and saves time and cost and improves working efficiency by replacing manual and large-scale polishing production lines through small-batch production operation.

The utility model discloses a small-batch body polishing device for neodymium iron boron permanent magnet sintered bodies, which comprises a base, wherein a toothed ring is concentrically connected to the base in a switching manner, a transmission gear is meshed and adapted to the peripheral side wall of the toothed ring, the transmission gear and the toothed ring jointly form a meshing transmission structure and are linked, the transmission gear is connected to the base in a rotating manner, and triangular claws are coaxially and collinearly fixed on the transmission gear; the center of the base and one side of the triangular claw are provided with a notch wheel disc, the center line of the notch wheel disc is provided with a rod body, the end of the rod body is matched with the three claw grooves of the triangular claw, the rod body and the notch wheel disc jointly form a Japanese tile mechanism, and the notch wheel disc is provided with a driving source for driving the notch wheel disc, so that the notch wheel disc can be effectively driven; the upper surface of the gear ring is annularly provided with 6 flanges to realize the simultaneous positioning of the 6 annular neodymium iron boron magnets, a rotating motor is arranged right above one flange, a brush head is fixed on the side edge of the power output end of the rotating motor, and the brush head is in interference fit with the wall surface of the annular neodymium iron boron magnets; a lifting arm is fixed on the rotating motor, the lifting arm is arranged on the base in a telescopic mode, and the transmission ratio of the transmission gear to the gear ring is 1: 2. The rotating electrical machines rotates the round, can drive the brush head and rotate the round, and the corresponding wall that can accomplish annular neodymium iron boron magnet of brush head of pivoted simultaneously is polished once, tentatively promotes the glossiness of annular neodymium iron boron magnet wall, and follow-up because the reciprocal rotation of circulation of rotating electrical machines guarantees to carry out abundant thorough polishing to the wall of annular neodymium iron boron magnet, finally promotes the glossiness of annular neodymium iron boron magnet wall comprehensively. The lifting arm is moved up and down by workers, the brush head is guaranteed to be in contact with or separated from the annular neodymium iron boron magnet, and meanwhile, the contact strength between the brush head and the wall surface of the annular neodymium iron boron magnet can be finely adjusted by moving the lifting arm, so that accurate and effective polishing operation can be performed on the wall surface of the annular neodymium iron boron magnet.

When the lifting arm is arranged specifically, a limiting groove matched with the lifting arm is fixed on the base.

When the driving source is specifically arranged, the driving source is a motor, a frame is fixed on the base, and the motor is installed on the frame.

When the brush head is arranged, a distance adjusting structure is arranged on the brush head. The first scheme, the distance adjustment structure includes the screw rod, sets up the spout on the brush holder of brush head, and the brush of polishing of brush head freely holds the border and the spout slip adaptation, is provided with the screw rod in the spout, and the both ends of screw rod and the inside wall of spout are with regard to near-end switching, and serve to be connected with the swing handle that is used for rotatory screw rod of screw rod. The second scheme is that the distance adjusting structure comprises a roller, a sleeve frame is sleeved on a brush handle of the brush head in a sliding mode, the roller used for moving on the brush handle of the brush head is arranged on the sleeve frame, and a polishing brush of the brush head is fixed on the sleeve frame. The two embodiments can change the revolution circumference of the brush head in the rotating process, thereby ensuring that the brush head can adapt to the annular neodymium iron boron magnets with different diameters; another important effect is exactly, through with the back constantly adjusted of distance adjustment structure, and then brush head can contact with the different wall homoenergetic of same annular neodymium iron boron magnet, finally accomplishes to carry out abundant thorough polishing to each wall of annular neodymium iron boron magnet, adaptability and practicality promote greatly.

When the idler wheels are arranged specifically, the idler wheels are connected with a worm gear mechanism used for driving the idler wheels to rotate in a transmission mode, so that the self-locking performance of the idler wheels is enhanced, and a rotating handle is arranged on a worm of the worm gear mechanism.

When specifically setting up above-mentioned brush head, the brush head is by two parts detachable connections to when the part of follow-up brush head appears damaging, only need take off the part of brush head and change can, greatly reduced the wasting of resources phenomenon, practiced thrift the cost.

The utility model has the following beneficial effects:

first, the application principle: firstly, respectively sleeving 6 annular neodymium-iron-boron magnets on 6 flanges, driving the transmission gear to rotate for 120 degrees after the geneva mechanism rotates for a circle by combining the geneva mechanism, the transmission gear and the toothed ring, and driving the teeth to rotate for 60 degrees every time the transmission gear rotates for 120 degrees by presetting a transmission ratio (the transmission ratio of the transmission gear to the toothed ring =1: 2), so that the 6 flanges and the annular neodymium-iron-boron magnets can be intermittently and sequentially moved to the position right below the rotating motor; then, when the annular neodymium iron boron magnet is positioned below the rotating motor, the rotating motor is started, the brush head is lifted through the lifting arm, and after the brush head is moved to the designated position of the wall surface of the annular neodymium iron boron magnet, the brush head can be rotated to avoid polishing the annular neodymium iron boron magnet; finally, the staff through observing, when the body of rod in the tile mechanism in the day contacts with the triangle claw, through the lift arm mention rotating electrical machines and brush head can, the above-mentioned step of circulation reciprocal, accomplish polishing 6 annular neodymium iron boron magnet completely.

Secondly, the polishing operation can be simultaneously carried out on 6 annular neodymium-iron-boron magnets, the small-scale polishing operation is realized, compared with the mode that the polishing operation is directly carried out one by one manually in a small-scale factory building, the manual operation is replaced by a simple mechanical mechanism, the manual polishing operation is replaced by the small-batch production operation, the time cost is saved, the working efficiency is improved, the defect that a large amount of capital and maintenance cost is consumed when a large-scale polishing production line is adopted is avoided, and the practicability is high; combine simultaneously apart from the adjustment structure, can effectively accomplish to carry out all-round polishing and the multiple model annular neodymium iron boron magnetism body of adaptation simultaneously to annular neodymium iron boron magnetism body, reinforcing variety.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the popping mechanism of the present invention.

Fig. 3 is a schematic view of a first assembling structure of the transmission gear and the toothed ring of the utility model.

Fig. 4 is a schematic view of a second assembling structure of the transmission gear and the toothed ring of the utility model.

Fig. 5 is a schematic view of the use structure of the geneva mechanism.

Fig. 6 is a schematic view of the mounting structure of the drive source.

Fig. 7 is a schematic view of an assembly structure of the rotary motor, the lifting arm and the brush head.

Fig. 8 is a schematic structural diagram of a first embodiment of a distance adjustment structure.

Fig. 9 is a schematic structural diagram of a second embodiment of a distance adjustment structure.

Figure 10 is a schematic view of the structure of the brush head.

Fig. 11 is a schematic structural view of the frame.

In the figure, a base 1, a toothed ring 2, a transmission gear 3, a triangular claw 4, a notch wheel disc 5, a rod body 6, a motor 7, a flange 8, a rotating motor 9, a brush head 10, a lifting arm 11, a limiting groove 12, a frame 13, a screw 14, a roller 15, a sleeve frame 16 and a worm and gear mechanism 17.

Detailed Description

For clear understanding of the technical solution of the present application, the neodymium iron boron permanent magnet sintering small batch volume grinding device provided by the present application will be described in detail below with reference to specific embodiments and accompanying drawings.

The terminology used in the following examples is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the specification of the present application and the appended claims, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, such as "one or more", unless the context clearly indicates otherwise. It should also be understood that in the following embodiments of the present application, "at least one", "one or more" means one, two or more.

Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present application. Thus, appearances of the phrases "one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless expressly specified otherwise.

Referring to fig. 1 to 10, a small-batch volume polishing device for ndfeb permanent magnet sintered bodies in the present application is illustrated, in practical application, because existing ndfeb magnets have various shapes, in a processing process of the ndfeb magnet, process flows such as machining (including cutting, punching, etc.), grinding, surface plating, etc. are involved, wherein, before forming the ndfeb magnet, polishing operation is required in order to improve glossiness of the surface of the ndfeb magnet, based on this, the present application is mainly directed to a polishing device designed for an annular ndfeb magnet, which can achieve comprehensive and thorough polishing operation on each wall surface of the annular ndfeb magnet, and the polishing operation is not performed, which may cause deterioration of glossiness of the annular ndfeb magnet and finally cause deterioration of quality of the annular ndfeb magnet, and mainly includes a base 1, the base 1 is mainly used for supporting installation of other devices, the base 1 is concentrically connected with the toothed ring 2 in a switching mode, and teeth on the toothed ring 2 are arranged in two schemes according to actual installation conditions and field design requirements, so that alternative schemes are provided, the practicability and the applicability of the application are improved, and as a previous implementation (realization) mode, as shown in fig. 3, the teeth are arranged on the inner side wall of the toothed ring 2 in an annular array mode; as a way of implementing the latter, as shown in fig. 4, the teeth are arranged on the outer side wall of the gear ring 2 in an annular array; a transmission gear 3 is engaged and adapted on the tooth, the transmission gear 3 and the tooth ring 2 jointly form an engaged transmission structure and are linked, the transmission gear 3 is switched (particularly can be connected through a bearing) on the top of the base 1, and the transmission gear 3 and the triangular claw 4 are welded on the top of the base 1 in a laminated manner and are coaxial and collinear; a notched wheel disc 5 is arranged at the center of the base 1 and on one side of the triangular claw 4, a rod body 6 is welded on a notch of the notched wheel disc 5, the rod body 6 is positioned on a central line of the notch, the end of the rod body 6 is matched with three claw grooves of the triangular claw 4, and the triangular claw 4, the rod body 6 and the notched wheel disc 5 form a geneva mechanism together (as shown in figure 5, the usage principle of the geneva mechanism is that the notched wheel disc 5 can drive the triangular claw 4 to rotate 120 degrees every time the geneva mechanism rotates one circle) and perform linkage; in order to ensure that the notched wheel disc 5 can be effectively driven, as shown in fig. 6, an electric motor 7 is arranged above the notched wheel disc 5, and the electric motor 7 is concentrically welded with the notched wheel disc 5 through a coupler; the annular whole row of upper surface of ring gear 2 has 6 flanges 8 to the realization is fixed a position 6 annular neodymium iron boron magnetism bodies simultaneously. As shown in fig. 7, a rotating motor 9 is arranged right above one of the flanges 8, a brush head 10 is welded on the side edge of the power output end of the rotating motor 9, the brush head 10 is in interference fit with the wall surface of the annular neodymium-iron-boron magnet, the rotating motor 9 rotates for one circle to drive the brush head 10 to rotate for one circle, and the rotating brush head 10 correspondingly can polish the wall surface of the annular neodymium-iron-boron magnet once, so as to primarily improve the glossiness of the wall surface of the annular neodymium-iron-boron magnet, and subsequently, due to the cyclic and reciprocating rotation of the rotating motor 9, the wall surface of the annular neodymium-iron-boron magnet is ensured to be fully and thoroughly polished, and finally, the glossiness of the wall surface of the annular neodymium-iron-boron magnet is comprehensively improved; the bolted connection has lifing arm 11 on the rotating electrical machines 9, and the welding has the spacing groove 12 that is used for with lifing arm 11 looks adaptation on the base 1, realize reciprocating lifing arm 11 through the staff, guarantee that brush head 10 can realize the contact or break away from the contact with annular neodymium iron boron magnet, simultaneously through lifing arm 11's removal, can finely tune the contact strength of brushing between head 10 and the annular neodymium iron boron magnet wall to the realization carries out accurate effectual operation of polishing to annular neodymium iron boron magnet wall.

By means of the technical scheme, firstly, 6 annular neodymium-iron-boron magnets are respectively sleeved on 6 flanges 8, the transmission gear 3 can be driven to rotate for 120 degrees after the geneva mechanism rotates for a circle by combining the geneva mechanism, the transmission gear 3 and the toothed ring 2, the toothed ring 2 can be driven to rotate for 60 degrees by the transmission gear 3 rotating for 120 degrees through a preset transmission ratio (the transmission ratio of the transmission gear 3 to the toothed ring 2 is =1: 2), and the 6 flanges 8 and the annular neodymium-iron-boron magnets can be intermittently and sequentially moved to the position under the rotating motor 9; then, when the annular neodymium iron boron magnet is positioned below the rotating motor 9, the rotating motor 9 is started, the brush head 10 is lifted through the lifting arm, and after the brush head 10 is moved to the specified position of the wall surface of the annular neodymium iron boron magnet, the brush head 10 can be rotated to avoid polishing the annular neodymium iron boron magnet; finally, the staff through observing, when the body of rod 6 in the tile mechanism in the day contacts with triangle claw 4, through the lifing arm 11 with rotating electrical machines 9 and brush head 10 lift can, the above-mentioned step of circulation reciprocal, polish the completion completely with 6 annular neodymium iron boron magnet. This application can accomplish the operation of polishing 6 annular neodymium iron boron magnets simultaneously, realizes the small-scale operation of polishing, compares in the small-scale factory building and directly adopts the manual work to polish the operation one by one, and this application has replaced manual operation through simple mechanical mechanism, replaces the manual work through small batch production operation and polishes one by one, saves time cost and improves work efficiency, avoids adopting the large-scale production line of polishing to need to consume the drawback of a large amount of purchase fund and maintenance cost simultaneously, and the practicality is stronger.

When the motor 7 is specifically arranged, in order to ensure that the base 1 can effectively bear the motor 7, a frame 13 is welded or bolted on the base 1, and the motor 7 is bolted on the frame 13.

When specifically setting up above-mentioned brush head 10, consider that annular neodymium iron boron magnet has different diameters, based on this, in order to ensure that brush head 10 can be according to the radius difference of annular neodymium iron boron magnet, in time adjust the position of brush head 10, install the distance adjustment structure on the brush head 10, in order to further improve the practicality of this application, the distance adjustment structure sets up two kinds of implementation (realization) modes, as first kind, as shown in fig. 8, the distance adjustment structure includes screw rod 14, set up the spout on brush head 10's the brush holder, brush head 10's the brush free end edge of polishing and spout slip adaptation, be provided with screw rod 14 in the spout, screw rod 14's both ends and the inside wall of spout are with regard to near-end switching, and screw rod 14 serves and is connected with the swing handle that is used for rotating screw rod 14, the common restriction of pivoted screw rod 14 and spout, ensure that brush head 10 can be moved different positions. As a second type, as shown in fig. 9, the distance adjusting structure includes a roller 15, a sleeve 16 is slidably sleeved on the handle of the brush head 10, the roller 15 for moving on the handle of the brush head 10 is disposed on the sleeve 16, and the polishing brush of the brush head 10 is welded on the sleeve 16. Considering that the roller 15 may deviate from the original position after the roller 15 is at a certain position, the roller 15 is in transmission connection with a worm and gear mechanism 17 for driving the roller 15 to rotate, a rotating handle is arranged on a worm of the worm and gear mechanism 17, and locking can be achieved by utilizing self-locking performance of the worm and gear mechanism 17 after the roller 15 moves to a certain position. The implementation of both embodiments can change the revolution circumference of the brush head 10 in the rotation process, thereby ensuring that the brush head 10 can adapt to the annular neodymium iron boron magnets with different diameters; another important effect is exactly, through with the back constantly adjusted of distance adjustment structure, and then brush head 10 can contact with the different wall homoenergetic of same annular neodymium iron boron magnet, finally accomplishes to carry out abundant thorough polishing to each wall of annular neodymium iron boron magnet, adaptability and practicality promote greatly.

When specifically setting up above-mentioned brush head 10, as shown in fig. 10, set up brush head 10 into two dismantled and assembled parts, specifically, two parts of brush head 10 adopt the mode of bolt to connect to when the part of follow-up brush head 10 appears and breaks, only need take off brush head 10's part and change, greatly reduced the wasting of resources phenomenon, practiced thrift the cost.

It should be noted that the electrical equipment related in this embodiment is electrically connected to the power generation device and the controller, which are common in the prior art in the market, and are not described herein again.

Claims (8)

1. The utility model provides a neodymium iron boron permanent magnetism sintered body small batch volume body grinding device, includes base (1), its characterized in that: a gear ring (2) is concentrically and rotatably connected onto the base (1), a transmission gear (3) is meshed and adapted to the peripheral side wall of the gear ring (2), the transmission gear (3) and the gear ring (2) jointly form a meshing transmission structure and are linked, the transmission gear (3) is rotatably connected onto the base (1), and the triangular claws (4) are coaxially and collinearly fixed onto the transmission gear (3); a notched wheel disc (5) is arranged at the center of the base (1) and on one side of the triangular claw (4), a rod body (6) is arranged on the notched center line of the notched wheel disc (5), the end of the rod body (6) is matched with the three claw grooves of the triangular claw (4), the rod body (6) and the notched wheel disc (5) jointly form a geneva tile mechanism, and a driving source for driving the notched wheel disc (5) is arranged on the notched wheel disc (5); the upper surface of the toothed ring (2) is annularly provided with 6 flanges (8), a rotating motor (9) is arranged right above one flange (8), a brush head (10) is fixed on the side edge of the power output end of the rotating motor (9), and the brush head (10) is in interference fit with the wall surface of the annular neodymium-iron-boron magnet; a lifting arm (11) is fixed on the rotating motor (9), the lifting arm (11) is telescopically arranged on the base (1), and the transmission ratio of the transmission gear (3) to the gear ring (2) is 1: 2.

2. The neodymium iron boron permanent magnet sintered body small-batch body grinding device according to claim 1, characterized in that: a limiting groove (12) which is matched with the lifting arm (11) is fixed on the base (1).

3. The neodymium iron boron permanent magnet sintered body small-batch body grinding device according to claim 1, characterized in that: the driving source is an electric motor (7), a frame (13) is fixed on the base (1), and the electric motor (7) is installed on the frame (13).

4. The neodymium iron boron permanent magnet sintered body small-batch body grinding device according to claim 1, characterized in that: the brush head (10) is provided with a distance adjusting structure.

5. The neodymium iron boron permanent magnet sintered body small-batch body grinding device according to claim 4, characterized in that: the distance adjusting structure comprises a screw rod (14), a sliding groove is formed in a brush handle of the brush head (10), the free end edge of the polishing brush of the brush head (10) is matched with the sliding groove in a sliding mode, the screw rod (14) is arranged in the sliding groove, the two ends of the screw rod (14) are connected with the inner side wall of the sliding groove in a near-end switching mode, and one end of the screw rod (14) is connected with a rotating handle used for rotating the screw rod (14).

6. The neodymium iron boron permanent magnet sintered body small-batch body grinding device according to claim 4, characterized in that: the distance adjusting structure comprises a roller (15), a sleeve frame (16) is sleeved on a brush handle of the brush head (10) in a sliding mode, the roller (15) used for moving on the brush handle of the brush head (10) is arranged on the sleeve frame (16), and a polishing brush of the brush head (10) is fixed on the sleeve frame (16).

7. The neodymium iron boron permanent magnet sintered body small-batch body grinding device according to claim 6, characterized in that: the roller (15) is in transmission connection with a worm gear mechanism (17) for driving the roller (15) to rotate, and a rotating handle is arranged on a worm of the worm gear mechanism (17).

8. The neodymium iron boron permanent magnet sintered body small-batch body grinding device according to claim 1, characterized in that: the brush head (10) is composed of two parts which are detachably connected.

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