Double-layer motor rotor magnetic steel filling tool

Abstract

The utility model provides a kind of double-layer motor rotor magnetic steel filling tool, including lower plate body, the top of the lower plate body is fixedly installed with upper plate body;The top side of the lower plate body and upper plate body is respectively provided with multiple groups of lower conveying way and upper conveying way;The lower conveying way and upper conveying way are equal in number, and are correspondingly cross arrangement;The outer end of the lower conveying way and upper conveying way is communicated with the side wall of lower plate body and upper plate body respectively;The inner end of the lower conveying way and upper conveying way is all provided with top material groove, and the top material groove of lower plate body and the top material groove of upper plate body are correspondingly arranged, and are communicated up and down;The inside of the top material groove is all fixedly installed with baffle.The utility model is cross conveying path by setting with the lower conveying way and upper conveying way of corresponding cross arrangement double-layer plate body, which is originally in single plane conflict, is arranged in two planes isolated from each other, avoids the movement interference problem of magnetic steel in moving process.

Description

Technical Field

[0001] This utility model belongs to the field of motor processing technology, and more specifically, it relates to a double-layer motor rotor magnet loading tool. Background Technology

[0002] Electric motors are core power components in modern industry, mainly composed of a housing, stator, rotor, and accessory assemblies. In the manufacturing of permanent magnet motor rotors, high-performance neodymium iron boron magnets typically need to be precisely assembled into pre-designed magnet slots in the rotor core. To improve assembly efficiency and precision, a jig plate with a directional conveyor is often used to straighten and orient the magnets, and a lifting mechanism (such as a lifting mold) is used to push the magnets into the corresponding magnet slots.

[0003] like Figure 1 The diagram shows a schematic of an existing motor rotor, which has several pairs of symmetrically arranged "V"-shaped magnet slots. Because the magnet slots of this type of motor rotor are arranged in a "V" shape, intersecting directional transport channels are required on the fixture plate. However, these intersecting directional transport channels inevitably cause motion interference during magnet transfer, making it difficult to meet processing requirements. Therefore, in view of this, this paper studies and improves the existing structure and its shortcomings, providing a double-layer motor rotor magnet loading fixture to achieve a more practical purpose. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides a double-layer motor rotor magnet loading fixture, which is achieved by the following specific technical means:

[0005] A double-layer motor rotor magnet loading fixture includes a lower plate, on the top of which an upper plate is fixedly mounted. Multiple sets of lower and upper conveying channels are respectively provided on the top sides of the lower and upper plates. The number of lower and upper conveying channels is equal and they are arranged in a corresponding, intersecting manner. The outer ends of the lower and upper conveying channels communicate with the side walls of the lower and upper plates, respectively. A top material groove is provided at the inner end of each of the lower and upper conveying channels, with the top material grooves of the lower plate and the upper plate corresponding to each other and connected vertically. A partition is fixedly installed inside each top material groove.

[0006] Furthermore, multiple sets of positioning blocks are fixedly installed at the center of the upper plate to position and fix the rotor.

[0007] Furthermore, each side of the partition is provided with a dividing ridge at its center to divide the top material trough equally. The divided troughs are connected to the lower conveyor and the upper conveyor respectively. The divided troughs can only accommodate one set of magnets moving upwards.

[0008] Furthermore, the partition is made of magnetic material, which can attract magnets.

[0009] Furthermore, it also includes an upper push plate and a lower push plate; upper linear bearings and lower linear bearings are fixedly installed at the four corners of the upper push plate and the lower push plate, respectively, and an optical axis is connected between the upper linear bearings and the lower linear bearings which are on the same vertical axis, and the top end of the optical axis is fixedly connected to the bottom side of the lower plate.

[0010] Furthermore, the top of both the upper and lower push plates are provided with a number of ejector pins one and two, equal to the number of ejector pin slots; the upper push plate is provided with multiple sets of openings for ejector pins two to pass through vertically; ejector pin one is used to push the magnet of the upper conveyor into the magnet slot of the rotor, and ejector pin two is used to push the magnet of the lower conveyor into the magnet slot of the rotor.

[0011] Furthermore, multiple sets of limiting guide shafts are vertically fixedly installed at the bottom of the lower plate, and the bottom ends of the multiple sets of limiting guide shafts penetrate the upper push plate and are fixedly installed with limiting rings; multiple sets of limiting guide shafts are vertically fixedly installed at the top of the lower push plate, and the top ends of the multiple sets of limiting guide shafts penetrate the upper push plate and are fixedly installed with limiting rings.

[0012] Furthermore, the upper plate is provided with a discharge channel corresponding to the lower conveyor, and the discharge channel is not connected to the upper conveyor.

[0013] Furthermore, a detection unit is also fixedly installed inside the top material trough to detect the polarity of the incoming magnet.

[0014] Furthermore, the upper plate has a mounting groove at its center, and a top material seat is installed inside the mounting groove. The lower plate has a through hole at its center, and a drive rod that is fixedly connected to the bottom of the top material seat is installed inside the through hole.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] This invention utilizes a double-layered plate (lower plate and upper plate) with corresponding intersecting lower and upper conveying channels. This arrangement transforms the intersecting conveying paths, which would otherwise inevitably conflict within a single plane, into two isolated planes, thus avoiding interference during the transfer of magnets. Simultaneously, the inner ends of the lower and upper conveying channels are connected by corresponding top material grooves. Combined with an upper and lower push plate structure with ejector pins, the magnets transported in layers are converged below the same lifting point. Ultimately, the magnets on the two intersecting paths can be synchronously and precisely pushed into the symmetrically arranged "V"-shaped magnet grooves in the rotor core, significantly improving assembly efficiency and precision. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of a motor rotor in the existing technology.

[0018] Figure 2This is a schematic diagram of the disassembly of the loading tool structure of this utility model. Figure 1 .

[0019] Figure 3 This is a schematic diagram of the disassembly of the loading tool structure of this utility model. Figure 2 .

[0020] Figure 4 This is a schematic diagram of the overall assembly structure of the loading tooling of this utility model. Figure 1 .

[0021] Figure 5 This is a schematic diagram of the overall assembly structure of the loading tooling of this utility model. Figure 2 .

[0022] Figure 6 This is a schematic diagram of the installation of ejector pin one and ejector pin two of this utility model.

[0023] Figure 7 This is a top view of the upper plate of this utility model.

[0024] Figure 8 yes Figure 7 Enlarged schematic diagram of part A in the middle.

[0025] In the diagram, the correspondence between component names and drawing numbers is as follows:

[0026] 1. Lower plate; 101. Lower conveyor; 2. Upper plate; 201. Upper conveyor; 202. Discharge chute; 200. Top material chute; 3. Positioning block; 4. Partition plate; 5. Upper push plate; 6. Lower push plate; 7. Upper linear bearing; 8. Lower linear bearing; 9. Optical shaft; 10. Ejector pin one; 11. Ejector pin two; 12. Limiting guide shaft one; 13. Limiting guide shaft two; 14. Detection unit; 15. Top material seat. Detailed Implementation

[0027] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0028] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0029] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0030] Example:

[0031] As attached Figure 2 To be continued Figure 8 As shown:

[0032] This utility model provides a double-layer motor rotor magnet loading fixture, including a lower plate 1, with an upper plate 2 fixedly installed on the top of the lower plate 1; multiple sets of lower conveying channels 101 and upper conveying channels 201 are respectively arranged on the top sides of the lower plate 1 and the upper plate 2; the number of lower conveying channels 101 and upper conveying channels 201 are equal and they are arranged in a corresponding cross pattern; the outer ends of the lower conveying channels 101 and upper conveying channels 201 are respectively connected to the side walls of the lower plate 1 and the upper plate 2; the inner ends of the lower conveying channels 101 and upper conveying channels 201 are each provided with a top material groove 200, the top material groove 200 of the lower plate 1 and the top material groove 200 of the upper plate 2 are correspondingly arranged and connected vertically, and the lower plate 1 and the upper plate 2 are connected vertically. The structural design of plate 2 arranges the lower conveyor 101 and upper conveyor 201, which originally intersected and conflicted in a single plane, in layers, solving the motion interference problem caused by the intersection of paths during the transfer of magnets. The top material trough 200, which is connected vertically, provides a structural foundation for the subsequent convergence and synchronous lifting of dual-channel magnets. The top material trough 200 is equipped with partitions 4. It also includes an upper push plate 5 and a lower push plate 6. The upper push plate 5 and the lower push plate 6 are respectively fixedly installed with upper linear bearings 7 and lower linear bearings 8 at their four corners. The upper linear bearings 7 and lower linear bearings 8, which are on the same vertical axis, are connected by an optical axis 9. The top of the optical axis 9 is fixedly connected to the bottom side of the lower plate 1.

[0033] Among them, multiple sets of positioning blocks 3 are fixedly installed in the center of the upper plate 2 to position and fix the rotor. The positioning blocks 3 ensure that the rotor to be assembled is accurately and firmly fixed in the center position of the upper plate 2, and ensure that the "V" shaped magnetic steel groove on the rotor is accurately aligned with the tooling top material groove 200 and the ejector pin.

[0034] The partition 4 has a dividing ridge on one side center to divide the top material trough 200 evenly. The divided troughs are connected to the lower conveyor 101 and the upper conveyor 201 respectively. The divided troughs can only support one set of magnets to move upward. The dividing ridges precisely divide the top material trough 200 evenly, forming independent material trough channels that are strictly aligned with their respective conveyors (lower conveyor 101 or upper conveyor 201). This forces only one row of magnets to enter the lifting position each time, effectively preventing the magnets from stacking, misaligning or getting stuck at the convergence point, and ensuring the reliability of the lifting action and the correctness of the magnet posture.

[0035] Among them, the partition 4 is made of magnetic material, which can attract the magnet to attract the magnet located in the evenly distributed material trough. It provides additional attraction force when the magnet is waiting to be lifted and during the lifting process, effectively resisting the influence of vibration or inertia, significantly enhancing the attitude stability of the magnet before lifting, preventing it from shifting or overturning, and ensuring the correct direction when it is pushed into the magnet trough.

[0036] The top of the upper push plate 5 and the lower push plate 6 are respectively provided with a number of ejector pins 10 and 11 equal to the number of ejector pins 11 in the top material groove 200. The upper push plate 5 is provided with multiple sets of openings for the ejector pins 11 to pass through vertically. The ejector pins 10 are used to push the magnets of the upper conveying channel 201 into the magnet slots of the rotor, and the ejector pins 11 are used to push the magnets of the lower conveying channel 101 into the magnet slots of the rotor. This realizes independent and precise lifting drive of the dual-channel magnets that are transported in layers and converge in the upper and lower connected top material groove 200. Finally, the two sets of magnets are pushed into the "V"-shaped symmetrical magnet slots of the rotor synchronously and correspondingly, which greatly improves the assembly efficiency and accuracy.

[0037] The lower plate 1 has multiple sets of limiting guide shafts 12 vertically fixedly installed at its bottom. The bottom ends of the multiple sets of limiting guide shafts 12 all pass through the upper push plate 5 and are fixedly installed with limiting rings. The upper push plate 6 has multiple sets of limiting guide shafts 13 vertically fixedly installed at its top. The top ends of the multiple sets of limiting guide shafts 13 all pass through the upper push plate 5 and are fixedly installed with limiting rings. The limiting guide shafts 12, 13 and their limiting rings can precisely limit the upper push plate 5 and control its descent stroke.

[0038] The upper plate 2 is provided with a material discharge channel 202 corresponding to the lower conveyor 101. The material discharge channel 202 is not connected to the upper conveyor 201. The material discharge channel 202 provides a dedicated channel for feeding magnets to the lower conveyor 101. This channel is independent of the upper conveyor 201 and does not interfere with each other. This allows the feeding operation of the lower magnets to be carried out directly through the upper plate 2 without disassembly or complicated side operations, which significantly improves the convenience of feeding the lower magnets and the smoothness of the overall assembly process.

[0039] Among them, the lower plate 1, the upper plate 2, the ejector pin 10 and the ejector pin 21 are all made of non-magnetic materials. The use of non-magnetic materials to manufacture key structural components effectively avoids the magnet from moving in the conveyor channel, waiting in the top material trough 200, and being accidentally attracted or generating additional resistance by these components during the lifting process. This ensures that the magnet moves smoothly and naturally in the tooling, and ensures that the force applied by the lifting action is directly used to push the magnet into the magnet trough, rather than overcoming unnecessary magnetic attraction forces.

[0040] The top material trough 200 is also equipped with a detection unit 14, which is used to detect the polarity of the incoming magnet to avoid loading magnets with opposite polarities into the conveyor and improve the accuracy of the assembly operation. The detection unit 14 can adopt Hall effect sensors and magnetoresistive sensors in the prior art.

[0041] The upper plate 2 has a mounting groove at its center, and a top material seat 15 is installed inside the mounting groove. The lower plate 1 has a through hole at its center, and a drive rod that is fixedly connected to the bottom of the top material seat 15 is installed inside the through hole. In use, the drive rod can be connected to an external drive unit, such as a cylinder or electric cylinder, to control the drive rod to drive the top material seat 15 to move up and down. After the magnet is assembled, the top material seat 15 is driven to move upward, separating the rotor from the positioning block 3 of the upper plate 2, so as to facilitate unloading and improve the overall processing efficiency.

[0042] The working principle of this embodiment is as follows: Before use, the lower plate 1 is first horizontally fixed to a suitable machine platform, and then the bottom end of the lower push plate 6 is connected to the existing vertical lifting drive assembly to drive the lower push plate 6 to move up and down. During use, the magnets are placed into the lower conveyor channel 101 through the material discharge slot 202 of the upper plate 2, while another set of magnets is directly placed into the upper conveyor channel 201. The two sets of magnets move along the corresponding intersecting paths in their respective independent conveyor channels to the inner top material slot 200. The magnetic partition 4 and its separating protrusions divide the upper and lower connected top material slot 200 equally and attract the magnets, ensuring that each set of magnets is positioned in a single row and has a stable posture. Subsequently, the lower push plate 6 is pushed upward by the vertical lifting drive assembly, and the lower push plate 6 drives the ejector pin 11 to rise through the opening of the upper push plate 5, lifting the lower magnets. When the ejector pin 1 lifts the corresponding magnet to the same height position as the magnet in the upper conveyor channel 201, the lower linear bearing 8... The top end of the upper push plate 5 contacts the bottom end of the upper push plate 5. At this time, the upper push plate 5 and the ejector pin 10 installed thereon can be pushed up synchronously to lift the upper magnet, so that the magnets of the two conveying channels can enter the designated magnet slots synchronously. Under the precise control of the linkage of the optical axis 9 and the limit guide shaft, the upper and lower magnets are pushed into the rotor "V" shaped magnet slot fixed by the positioning block 3 synchronously and accurately, completing the assembly. The entire process avoids path intersection interference and ensures assembly accuracy. After the assembly is completed, the vertical lifting drive component pulls the lower push plate 6 down, driving the lower push plate 6 and the ejector pin 11 to exit the top material slot 200. At the same time, the upper push plate 5 moves down along the optical axis 9 and the limit guide shaft 12 and the limit guide shaft 13 under its own gravity. When the lower push plate 6 moves down to the original height position, the upper and lower surfaces of the upper push plate 5 contact the limit rings of the limit guide shaft 12 and the limit guide shaft 13 to ensure that the upper push plate 5 returns to its position accurately.

[0043] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A double-layer motor rotor magnet loading fixture, characterized in that: The system includes a lower plate (1), and an upper plate (2) is fixedly installed on the top of the lower plate (1). Multiple sets of lower conveyor channels (101) and upper conveyor channels (201) are respectively provided on the top sides of the lower plate (1) and the upper plate (2). The number of lower conveyor channels (101) and upper conveyor channels (201) is equal and they are arranged in a corresponding cross configuration. The outer ends of the lower conveyor channels (101) and upper conveyor channels (201) are respectively connected to the side walls of the lower plate (1) and the upper plate (2). The inner ends of the lower conveyor channels (101) and the upper conveyor channels (201) are each provided with a top material groove (200). The top material groove (200) of the lower plate (1) is correspondingly provided with the top material groove (200) of the upper plate (2) and they are connected vertically. The interior of the top material groove (200) is fixedly installed with a partition (4).

2. The double-layer motor rotor magnet loading fixture as described in claim 1, characterized in that: Multiple sets of positioning blocks (3) are fixedly installed at the center of the upper plate (2) to position and fix the rotor.

3. The double-layer motor rotor magnet loading fixture as described in claim 1, characterized in that: The partition (4) has a dividing ridge on one side center to divide the top material trough (200) evenly. The divided trough is connected to the lower conveyor (101) and the upper conveyor (201) respectively. The divided trough can only supply one set of magnets to go up.

4. The double-layer motor rotor magnet loading fixture as described in claim 1, characterized in that: The partition (4) is made of magnetic material and can attract magnets.

5. The double-layer motor rotor magnet loading fixture as described in claim 1, characterized in that: It also includes an upper push plate (5) and a lower push plate (6); the upper push plate (5) and the lower push plate (6) are respectively fixedly installed with an upper linear bearing (7) and a lower linear bearing (8) at their four corners. The upper linear bearing (7) and the lower linear bearing (8) are connected by an optical axis (9) on the same vertical axis. The top of the optical axis (9) is fixedly connected to the bottom side of the lower plate (1).

6. The double-layer motor rotor magnet loading fixture as described in claim 5, characterized in that: The top of the upper push plate (5) and the lower push plate (6) are respectively provided with a number of ejector pins one (10) and ejector pin two (11) equal to the number of ejector pins two (200); the upper push plate (5) is provided with multiple sets of openings for ejector pin two (11) to pass through up and down; ejector pin one (10) is used to push the magnet of the upper conveyor channel (201) into the magnet slot of the rotor, and ejector pin two (11) is used to push the magnet of the lower conveyor channel (101) into the magnet slot of the rotor.

7. The double-layer motor rotor magnet loading fixture as described in claim 6, characterized in that: The bottom of the lower plate (1) is vertically fixedly installed with multiple sets of limiting guide shafts (12), the bottom ends of the multiple sets of limiting guide shafts (12) all pass through the upper push plate (5) and are fixedly installed with limiting rings; the top of the lower push plate (6) is vertically fixedly installed with multiple sets of limiting guide shafts (13), the top ends of the multiple sets of limiting guide shafts (13) all pass through the upper push plate (5) and are fixedly installed with limiting rings.

8. The double-layer motor rotor magnet loading fixture as described in claim 1, characterized in that: The upper plate (2) is provided with a discharge channel (202) corresponding to the lower conveyor channel (101), and the discharge channel (202) is not connected to the upper conveyor channel (201).

9. The double-layer motor rotor magnet loading fixture as described in claim 1, characterized in that: The top material trough (200) is also fixedly installed with a detection unit (14) for detecting the polarity of the incoming magnet.

10. The double-layer motor rotor magnet loading fixture as described in claim 1, characterized in that: The upper plate (2) has a mounting groove at its center, and a top material seat (15) is installed inside the mounting groove. The lower plate (1) has a through hole at its center, and a drive rod that is fixedly connected to the bottom of the top material seat (15) is installed inside the through hole.

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