Stator magnet assembly fixture

Abstract

The utility model relates to the technical field of motor assembly, in particular to a stator magnet assembly fixture, which comprises a positioning ring and a lower pressure plate, a guide shaft is arranged in the middle of the bottom of the lower pressure plate, a plurality of lower pressure parts are annularly arranged on the outer wall of the guide shaft, and the intervals between every two adjacent lower pressure parts are the same. A receding groove is formed between every two adjacent downward pressing parts, the cross section of each receding groove is the same as that of the corresponding downward pressing part, a plurality of positioning holes are formed in the inner side of the positioning ring, a plurality of guide holes are formed in the outer side of the positioning ring, a plurality of guide columns are arranged on the outer side of the positioning ring, and abutting and pushing blocks are movably arranged in the receding grooves. A pushing column is arranged on the edge of the lower pressing disc, and the bottom of the pushing column abuts against the top of the pushing column. According to the utility model, the possible problems of position offset, inclination or uneven gaps and the like are avoided, the accurate control of the position of the magnet is realized, the magnet can be quickly in place in the assembling process, the high consistency can be kept in each assembling process, and the product quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor assembly technical field, especially a kind of stator magnet assembly fixture. BACKGROUND

[0002] In the motor manufacturing field, especially in the process of stator magnet assembly, the installation precision and efficiency of magnet have a direct impact on the overall performance of motor. The traditional stator magnet assembly method usually relies on manual operation or simple fixture assistance, and there are problems such as inaccurate positioning, low assembly efficiency, poor consistency between magnets, etc., which may cause the assembled magnets to deviate, tilt or have uneven gaps, thereby affecting the running stability and efficiency of the motor.

[0003] In addition, in the traditional assembly process, due to the lack of effective fixing and guiding devices, the position of the magnet is easy to move during pasting, especially when assembling multiple layers of magnets, this problem is more obvious. Moreover, manual operation cannot guarantee the consistency of each assembly, which increases the rate of defective products and production costs. SUMMARY

[0004] The utility model aims at at least solving the technical problems existing in the prior art. To this end, the utility model provides a kind of stator magnet assembly fixture, by adopting the design of positioning ring and lower pressing disc combination, and the unique position-avoiding groove and push block structure, the rapid positioning and accurate assembly of magnet are realized, and the automation degree and product quality of assembly process are significantly improved.

[0005] According to the stator magnet assembly fixture of some embodiments of the utility model, the bottom of the lower pressing disc is provided with a guide shaft, the outer wall of the guide shaft is provided with a plurality of lower pressing parts, the interval between every two adjacent lower pressing parts is the same, and a position-avoiding groove is arranged between every two adjacent lower pressing parts, the cross section of the position-avoiding groove is the same as the cross section of the lower pressing part, the inner side of the positioning ring is provided with a plurality of positioning holes, the outer side of the positioning ring is provided with a plurality of guide holes, the positioning hole and the lower pressing part are one-to-one corresponding, the outer side of the positioning ring is provided with a plurality of guide columns, the guide column and the guide hole are one-to-one corresponding, a push block is movably arranged in the position-avoiding groove, and a push column is arranged at the edge of the lower pressing disc, and the bottom of the push column abuts against the top of the push column.

[0006] According to the stator magnet assembly fixture of some embodiments of the utility model, at least has the following beneficial effects:

[0007] The utility model discloses a positioning ring and the design of lower pressure disc ensure that every magnet can be positioned accurately in the inside of outer magnetic yoke, avoid the problem such as position deviation, inclination or gap unevenness that can appear in traditional manual operation, realize the accurate control to the magnet position through the one-to-one correspondence setting of guide column and guide hole, positioning hole and lower pressure part and the design of avoiding groove and push block, make the magnet can be in the assembly process Quick to place, every assembly can keep the consistency of height, improve product quality.

[0008] According to the stator magnet assembly fixture of some embodiments of the utility model, the inside of the positioning ring is provided with a limiting block, the outer wall of the lower pressure part is provided with a limiting groove, the limiting groove is arranged along the vertical direction, the limiting block is arranged correspondingly with the limiting groove, and the limiting block extends into the limiting groove.

[0009] According to the stator magnet assembly fixture of some embodiments of the utility model, the bottom of the guide shaft is detachably provided with a cover plate, the outside of the cover plate is provided with a protruding block, and the protruding block is located at the bottom of the limiting groove.

[0010] According to the stator magnet assembly fixture of some embodiments of the utility model, the inner wall of the positioning block is concavely provided with a gap, a limiting piece is detachably arranged in the gap, and the limiting block is arranged at the inside of the limiting piece.

[0011] According to the stator magnet assembly fixture of some embodiments of the utility model, the gap is arranged between the two positioning holes.

[0012] According to the stator magnet assembly fixture of some embodiments of the utility model, the lower pressure part, the avoiding groove, the guide hole and the guide column are all provided with four.

[0013] According to the stator magnet assembly fixture of some embodiments of the utility model, the edge of the lower pressure disc is provided with a plurality of screw holes, the push column adopts a stud, and the stud is screwed with the screw hole.

[0014] Additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0015] The above and / or additional aspects and advantages of the utility model will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, wherein:

[0016] Fig. 1 It is the structure schematic drawing under the use state of the embodiment of the utility model.

[0017] Fig. 2The structural exploded view of the embodiment of the utility model.

[0018] Fig. 3 The structural schematic view of the stator of the embodiment of the utility model.

[0019] The figure mark: 1, the positioning ring, 2, the lower pressing disc, 3, the guide shaft, 4, the lower pressing part, 5, the position avoiding groove, 6, the positioning hole, 7, the guide hole, 8, the guide column, 9, the push block, 10, the push column, 11, the outer magnetic yoke, 12, the magnetic yoke base, 13, the magnet, 14, the limit block, 15, the limit groove, 16, the cover plate, 17, the protruding block, 18, the notch, 19, the limit piece. DETAILED DESCRIPTION

[0020] The embodiment of the utility model is described in detail below, and the example of the embodiment is shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiment described below by referring to the drawings is exemplary and is only used to explain the utility model and cannot be understood as limiting the utility model.

[0021] In the description of the utility model, it is understood that, if there is a description to the orientation, for example, the orientation or position relationship indicated by up, down, left, right, front, back, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated module or element must have a specific orientation, a specific orientation and operation, therefore, cannot be understood as limiting the utility model.

[0022] In the description of the utility model, if there is a description to the first, second, only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0023] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installing and connecting should be understood in a broad sense, and the person skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0024] As Figs. 1-3 shown, the embodiment of the utility model provides a kind of stator magnet assembly fixture.

[0025] The utility model provides a stator magnet assembly fixture, including positioning ring 1 and the lower pressing disc 2, the bottom middle of lower pressing disc 2 is provided with guide shaft 3, the outer wall ring of guide shaft 3 is provided with a plurality of lower pressing part 4, the interval between every two adjacent lower pressing part 4 is same, and is provided with the position avoidance slot 5 between every two adjacent lower pressing part 4, the cross section of position avoidance slot 5 is same with the cross section of lower pressing part 4, the inside of positioning ring 1 is provided with a plurality of positioning hole 6, the outside of positioning ring 1 is provided with a plurality of guide hole 7, positioning hole 6 is correspondingly arranged with lower pressing part 4, the outside of positioning ring 1 is provided with a plurality of guide column 8, and guide column 8 is correspondingly arranged with guide hole 7, and the inside of position avoidance slot 5 is movably provided with the push block 9, the edge of lower pressing disc 2 is provided with the push column 10, and the bottom of push column 10 is in contact with the top of push block 9.

[0026] The utility model discloses a positioning ring 1 and the lower pressing disc 2 design ensure that every magnet can be accurately positioned in the inside of outer magnetic yoke, avoid the problem such as position deviation, inclination or gap uneven that can appear in traditional manual operation.Through the design of guide column 8 and guide hole 7, positioning hole 6 and lower pressing part 4 one -to -one arrangement and position avoidance slot 5 and push block 9, the accurate control of magnet position is realized, makes magnet can be in the quick to position in the assembly process, and every assembly can keep the consistency of height, improves product quality.

[0027] It can be understood that the stator includes an outer magnetic yoke 11, a yoke base 12, and a plurality of magnets 13, the outer magnetic yoke 11 is installed on the top of the yoke base 12, and the magnets 13 need to be installed in the inside of the outer magnetic yoke 11.

[0028] The working principle of the embodiment is as follows: first, assemble the outer magnetic yoke 11 and the yoke base 12 of the stator and clean them thoroughly, then install the guide columns 8 on the lower pressing disc 2 into the guide holes 7 of the positioning ring 1, install the first magnet 13 at the bottom of the lower pressing part 4, apply glue on the inside of the outer magnetic yoke 11 and the outside of the magnet 13, install the positioning ring 1 on the top of the outer magnetic yoke 11 through the positioning holes 6, slide the lower pressing disc 2 along the inner wall to attach the first magnet 13 to the inside of the outer magnetic yoke 11, then rotate the positioning ring 1 to assemble it into the lower positioning hole 6, and follow the same steps to install the other magnet 13, after a complete circle, there is a gap between every two adjacent magnets 13, then install the magnets 13 into the gap one by one through the push block 9 and the push column 10, after installing all the magnets 13 in the layer, follow the same steps to install the magnets 13 in each layer until the inside of the outer magnetic yoke 11 is fully covered with the magnets 13, then remove the positioning ring 1 and the lower pressing disc 2, and complete the assembly of the magnets of the stator.

[0029] The positioning ring 1 is provided with a limiting block 14 on the inner side, the outer wall of the lower pressing part 4 is provided with a limiting groove 15, the limiting groove 15 is arranged in the vertical direction, the limiting block 14 is arranged correspondingly with the limiting groove 15, and the limiting block 14 extends into the limiting groove 15. Specifically, the design of the limiting block 14 and the limiting groove 15 increases the position control ability in the assembly process, prevents the lower pressing disc 2 from rotating or deviating when sliding along the guide column 8, and further guarantees the accuracy of the magnet assembly. This also helps to improve the stability and reliability of the assembly process.

[0030] The bottom of the guide shaft 3 is detachably provided with a cover plate 16, the outer side of the cover plate 16 is provided with a protruding block 17, and the protruding block 17 is located at the bottom of the limiting groove 15. Specifically, the detachable cover plate 16 and the protruding block 17 thereon located at the bottom of the limiting groove 15 play a closing role.

[0031] The inner wall of the positioning ring 1 is recessed with a notch 18, a limiting piece 19 is detachably arranged in the notch 18, and the limiting block 14 is arranged on the inner side of the limiting piece 19. Specifically, the notch 18 is arranged on the inner wall of the positioning ring 1, and the limiting piece 19 is installed therein, which simplifies the manufacturing and assembly process of the clamp.

[0032] The notch 18 is arranged between the two positioning holes 6. Specifically, the notch 18 is arranged between the two positioning holes 6, which reasonably utilizes the space and avoids affecting the function of the positioning holes 6.

[0033] The lower pressing part 4, the avoiding groove 5, the guide hole 7 and the guide column 8 are all provided with four. Specifically, four lower pressing parts 4, avoiding grooves 5, guide holes 7 and guide columns 8 are set to ensure that uniform force is applied to the magnet, promoting the stable assembly of the magnet. This configuration is particularly suitable for circular or nearly circular stator structure, which can realize efficient multi-point synchronous operation and improve assembly quality.

[0034] The edge of the lower pressing disc 2 is provided with a plurality of screw holes, the pushing column 10 adopts a threaded column, and the threaded column is screwed with the screw hole. Specifically, the screwing mode of the screw hole and the pushing column 10 provides a simple and effective fastening means, which is convenient for adjusting the height and force of the pushing column 10 to adapt to the magnet assembly requirements of different thicknesses. In addition, the screwing mode is convenient for disassembly, which is conducive to the maintenance and replacement of parts.

[0035] Although the embodiments of the utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A stator magnet assembly jig characterized by: The application relates to a positioning ring and a lower pressing disc, the bottom of the lower pressing disc is provided with a guide shaft, the outer wall of the guide shaft is provided with a plurality of lower pressing parts, the interval between every two adjacent lower pressing parts is the same, an avoiding slot is arranged between every two adjacent lower pressing parts, the cross section of the avoiding slot is the same as that of the lower pressing part, the inner side of the positioning ring is provided with a plurality of positioning holes, the outer side of the positioning ring is provided with a plurality of guide holes, the positioning holes and the lower pressing parts are arranged in one-to-one correspondence, the outer side of the positioning ring is provided with a plurality of guide columns, the guide columns and the guide holes are arranged in one-to-one correspondence, a pushing block is movably arranged in the avoiding slot, a pushing column is arranged at the edge of the lower pressing disc, and the bottom of the pushing column abuts against the top of the pushing column.

2. A stator magnet assembly fixture according to claim 1, wherein: The inner side of the positioning ring is provided with a limiting block, the outer wall of the lower pressing part is provided with a limiting slot, the limiting slot is arranged along the vertical direction, and the limiting block is arranged in correspondence with the limiting slot.

3. A stator magnet assembly fixture according to claim 2, wherein: The bottom of the guide shaft is detachably provided with a cover plate, the outer side of the cover plate is provided with a convex block, and the convex block is located at the bottom of the limiting slot.

4. The stator magnet assembly fixture of claim 2, wherein: The inner wall of the positioning ring is concavely provided with a gap, a limiting piece is detachably arranged in the gap, and the limiting block is arranged at the inner side of the limiting piece.

5. A stator magnet assembly jig according to claim 4, wherein: The gap is arranged between two positioning holes.

6. The stator magnet assembly fixture of claim 1, wherein: The lower pressing part, the avoiding slot, the guide hole and the guide column are all provided with four.

7. The stator magnet assembly fixture of claim 1, wherein: A plurality of screw holes are arranged at the edge of the lower pressing disc, the pushing column is a stud, and the stud is screwed with the screw hole.

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