Permanent magnet motor surface-mounted magnetic steel assembly tool

Abstract

The utility model relates to a permanent magnet motor surface-mounted magnetic steel assembly tool, and the tool comprises an assembly platform which can rotatably support and axially position a rotor; the rotor circumferential positioning device can be detachably fixed on a rotating shaft of the rotor and can be selectively connected with the assembly platform so as to perform circumferential positioning on the rotor; the assembling assembly is installed on the assembling platform in a sliding mode in the axial direction of the rotor, the assembling assembly comprises a magnetic steel pushing part located on the assembling assembly, and the magnetic steel pushing part is provided with at least two tooth parts at intervals, and the tooth parts are used for pushing at least two rows of magnetic steel on the rotor to complete assembling when the assembling assembly slides in the axial direction; and the linear driving device is in transmission connection with the bottom of the assembling assembly and can drive the assembling assembly to move in the axial direction of the rotor so that the tooth parts can synchronously move in the axial direction. Due to the adoption of the structure, the permanent magnet motor surface-mounted magnetic steel assembly tool can realize simultaneous assembly of multiple rows of magnetic steel, and the assembly efficiency is remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor manufacturing technical field especially relates to a kind of permanent magnet motor surface paste type magnetic steel assembly tool. BACKGROUND

[0002] Chinese patent document CN208386369U discloses a kind of permanent magnet motor surface paste type magnetic steel assembly tool, including the rotor core of being set on rotor bracket and the magnetic steel block of being able to be cooperated with rotor core and pushed into magnetic installation area.Magnetic steel installation groove is equipped on the circumferential surface of rotor core;Each magnetic steel installation groove corresponds one to be installed magnetic pole, and the magnetic pole to be installed is composed of multiple magnetic blocks;Magnetic steel pushing device includes cylinder, coupling support, push rod, guide plate and cushion block.The end surface of guide plate is fixedly connected with the end surface of coupling support;The other end surface of coupling support is fixedly connected with cylinder;Piston rod is equipped in cylinder, and the top end of piston rod is fixedly connected with one end of push rod;Guide groove corresponding with magnetic steel installation groove of rotor core is opened in guide plate;Piston rod can push push rod to feed in guide groove;Cushion block is placed in guide groove at the other end of push rod, and can be slid by the other end of push rod in guide groove and exerting thrust;The other end surface of guide plate can be detachably fixedly connected with the magnetic steel installation end surface of rotor core, and guide groove is butt jointed with magnetic steel installation groove on rotor core.The defects and deficiencies of the permanent magnet motor surface paste type magnetic steel assembly tool are that: when the tool is assembled with magnetic steel, the piston rod of cylinder is extended to push cushion block, and the single magnetic steel block is pushed into the magnetic steel installation groove of rotor core, so that the tool has the problem of low assembly efficiency.

[0003] Therefore, it is urgent to provide a kind of permanent magnet motor surface paste type magnetic steel assembly tool with high assembly efficiency. UTILITY MODEL CONTENTS

[0004] (I) technical problem to be solved

[0005] In view of the above-mentioned shortcomings and deficiencies of the prior art, the utility model provides a kind of permanent magnet motor surface paste type magnetic steel assembly tool, which solves the technical problems of existing permanent magnet motor surface paste type magnetic steel assembly tool when assembling magnetic steel, laborious operation, only single-column assembly magnetic steel and low efficiency.

[0006] (II) technical scheme

[0007] In order to achieve the above-mentioned purpose, the main technical scheme adopted by the utility model includes:

[0008] The utility model embodiment provides a kind of permanent magnet motor surface paste type magnetic steel assembly tool, comprising:

[0009] Assembly platform, can rotate support and axial positioning rotor;

[0010] The rotor circumferential positioning device can be detachably fixed to the rotating shaft of the rotor and selectively connected with the assembly platform to circumferentially position the rotor.

[0011] The assembly component is slidably installed on the assembly platform along the axial direction of the rotor, and the assembly component comprises magnetic steel pushing parts arranged on the assembly component and spaced apart by at least two teeth for pushing at least two rows of magnetic steels on the rotor to complete assembly when the assembly component slides along the axial direction.

[0012] The linear driving device is in driving connection with the bottom of the assembly component and can drive the assembly component to move along the axial direction of the rotor so that the teeth move synchronously along the axial direction.

[0013] Optionally, the magnetic steel pushing parts are spaced apart by four teeth extending towards the direction close to the rotor, and each tooth corresponds to a row of magnetic steels.

[0014] Optionally, the assembly platform comprises a frame-shaped platform, a first support seat and a second support seat.

[0015] The first support seat is arranged on one side of the upper surface of the frame-shaped platform, and the second support seat is arranged on the opposite side of the upper surface of the frame-shaped platform, and the upper parts of the first support seat and the second support seat are both provided with rollers capable of rotating to support the rotating shaft of the rotor.

[0016] The first support seat is provided with a first positioning hole on the outer side surface, and the rotor circumferential positioning device is selectively inserted into the first positioning hole.

[0017] Optionally, the rotor circumferential positioning device comprises a rotating positioning disc and a positioning rod.

[0018] The middle part of the rotating positioning disc is bolted to the end of the rotating shaft of the rotor, the rotating positioning disc is provided with a plurality of second positioning holes along the circumferential direction, and the positioning rod passes through the second positioning hole and the first positioning hole to circumferentially position the rotating positioning disc and the rotor.

[0019] Optionally, the assembly component further comprises a bottom plate, a cross beam and two side beams.

[0020] The two ends of the bottom plate are respectively connected with the lower ends of the two side beams, the two ends of the cross beam are respectively connected with the upper ends of the two side beams, and the linear driving device is in driving connection with the middle part of the bottom plate.

[0021] The magnetic steel pushing parts are arranged on the bottom plate, the cross beam and / or the side beams.

[0022] Optionally, the side beam comprises a main beam extending in the vertical direction and an inclined support beam extending in the inclined direction.

[0023] The upper end of the main beam is connected with the upper end of the inclined support beam, and the lower ends of the main beam and the inclined support beam are slidably installed on the assembly platform.

[0024] Optionally, the linear drive device is a ball screw drive assembly, which includes a ball nut, a first screw, a motor, and a gearbox.

[0025] The first lead screw is parallel to the guide rail along its axis. A ball nut is fitted around the first lead screw and is fixedly mounted on the base plate of the assembly assembly. The motor is connected to the first lead screw via a gearbox.

[0026] Optionally, the rotor has multiple axially extending magnet strips on its circumferential surface. Two adjacent magnet strips and the rotor's circumferential surface enclose a magnet mounting groove. Each magnet mounting groove corresponds to a magnet pole to be installed, and the magnet pole to be installed is composed of multiple magnets.

[0027] (III) Beneficial Effects

[0028] The beneficial effects of this utility model are as follows: The permanent magnet motor surface-mount magnet assembly fixture of this utility model includes: an assembly platform capable of rotatably supporting and axially positioning the rotor; a rotor circumferential positioning device capable of being detachably fixed to the rotor's rotation axis and selectively connected to the assembly platform for circumferential positioning of the rotor; and an assembly assembly slidably mounted on the assembly platform along the rotor's axial direction. The assembly assembly includes magnet pushing components located on the assembly assembly. The magnet pushing components are spaced apart and have at least two tooth linear drive devices for pushing at least two rows of magnets on the rotor to complete the assembly when the assembly assembly slides axially. These devices are connected to the bottom of the assembly assembly and can drive the assembly assembly to move axially along the rotor so that the teeth move axially synchronously. Compared to existing surface-mount magnet assembly fixtures for permanent magnet motors, this fixture can circumferentially position the rotor on the assembly platform using a rotor circumferential positioning device, and then drive the assembly components on the assembly platform using a linear drive device. The assembly components then drive the magnet pushing component to move laterally to assemble the magnets. The magnet pushing component on the assembly component is equipped with at least two teeth, each tooth corresponding to a row of magnets, thus enabling the simultaneous assembly of at least two rows of magnets, which significantly improves the assembly efficiency of the magnets. Attached Figure Description

[0029] Figure 1 This is a three-dimensional schematic diagram of Embodiment 1 of the permanent magnet motor surface-mount magnet assembly fixture of this utility model, wherein no magnets are assembled on the rotor;

[0030] Figure 2 for Figure 1 A three-dimensional schematic diagram of the assembly platform;

[0031] Figure 3 for Figure 1 A side view of the rotating positioning disk in the diagram;

[0032] Figure 4 is an enlarged schematic view of the rotor at A in the assembly component in Figure 1 ;

[0033] Figure 5 is another schematic view of embodiment 1 of the permanent magnet motor surface-mounted magnetic steel assembly tool of the utility model, wherein the magnetic steel is assembled on the rotor;

[0034] Figure 6 is an enlarged schematic view of the rotor at A in the assembly component in Figure 5 ;

[0035] Figure 7 is a partial sectional view schematic view of the rotor in Figure 5 .

[0036]

Explanation of reference signs

[0037] 1: assembly platform; 11: frame type platform; 12: motor; 13: gear box; 14: first lead screw; 15: guide rail; 16: first support seat; 161: roller; 162: first positioning hole; 17: second support seat;

[0038] 2: assembly component; 21: bottom plate; 211: ball nut; 22: side beam; 221: sliding block; 222: main beam; 223: inclined support beam; 23: cross beam; 24: magnetic steel pushing component; 241: tooth part;

[0039] 3: rotating positioning disc; 301: second positioning hole;

[0040] 4: positioning rod;

[0041] 5: rotor; 501: magnetic steel pressing strip; 502: magnetic steel mounting groove; 503: magnetic steel;

[0042] 6: magnetic steel axial clamping tool; 601: axial baffle; 602: second lead screw; 603: nylon block. DETAILED DESCRIPTION

[0043] In order to better explain the utility model, so as to facilitate understanding, the following will be combined with the drawings, and the utility model will be described in detail through specific embodiments. Wherein, the orientation of "front", "back", "left", "right", "up", "down" and other orientation terms mentioned in this paper are with the orientation of the drawings as the reference. Figure 1

[0044] Embodiment 1:

[0045] With reference to Figure 1 , Figure 5 , Figure 6 and Figure 7 , the embodiment provides a permanent magnet motor surface-mounted magnetic steel assembly tool, which comprises:

[0046] ​The assembly platform 1 can rotate and axially position the rotor 5, and the circumferential surface of the rotor 5 is provided with a plurality of magnetic steel mounting grooves 502;

[0047] The rotor circumferential positioning device can be detachably fixed to the rotating shaft of the rotor 5 and selectively connected with the assembly platform 1 to circumferentially position the rotor 5;

[0048] The assembly assembly 2 is axially slidably installed on the assembly platform 1, and the assembly assembly 2 comprises a magnetic steel pushing component 24 on the assembly assembly 2, which is provided with at least two tooth portions 241 for pushing at least two rows of magnetic steels 503 on the rotor 5 to complete the assembly when the assembly assembly 2 slides axially;

[0049] The linear driving device is in driving connection with the bottom of the assembly assembly 2 and can drive the assembly assembly 2 and the magnetic steel pushing component 24 to move axially so that the tooth portions 241 move axially synchronously, thereby pushing the plurality of rows of magnetic steels 503 synchronously into the magnetic steel mounting area. It should be noted that the axial direction of the rotor 5 is parallel to the left-right direction.

[0050] The surface-mounted magnetic steel assembly tool of the permanent magnet motor of the embodiment first positions the rotor 5 on the assembly platform 1 circumferentially through the rotor circumferential positioning device, and then drives the assembly assembly 2 on the assembly platform 1 through the linear driving device, which drives the magnetic steel pushing component 24 to move transversely, so that the plurality of tooth portions 241 on the magnetic steel pushing component 24 can realize the assembly of a plurality of rows of magnetic steels 503 at a time. The surface-mounted magnetic steel assembly tool of the permanent magnet motor of the embodiment has simple structure and is convenient to operate, and the operator does not need to push the magnetic steels 503 and disassemble and assemble the tool frequently when using, and a plurality of rows of magnetic steels 503 can be assembled at the same time, which greatly improves the assembly efficiency.

[0051] It should be noted that the rotor 5 of the embodiment refers to the rotor 5 in a large permanent magnet motor, and of course, the rotor 5 described in the embodiment can also be a small or medium-sized rotor 5, which is also applicable.

[0052] As shown in Figure 6 and Figure 7 The circumferential surface of the rotor 5 of the embodiment is provided with a plurality of magnetic steel pressing strips 501 extending in the axial direction, wherein the circumferential surface of the rotor 5 and the two adjacent magnetic steel pressing strips 501 form a magnetic steel mounting groove 502, and each magnetic steel mounting groove 502 corresponds to a to-be-installed magnetic pole composed of a plurality of magnetic steels 503.

[0053] As shown in Figure 2As shown, the assembling platform 1 comprises a frame platform 11, a first support base 16 and a second support base 17. The first support base 16 is mounted on the left side of the upper surface of the frame platform 11, and the second support base 17 is mounted on the right side of the upper surface of the frame platform 11. The upper part of the first support base 16 and the second support base 17 is provided with two rollers 161, which can rotate to support the rotating shaft of the rotor 5.

[0054] In addition, the outer side of the first support base 16 is provided with a first positioning hole 162, and the rotor circumferential positioning device is selectively inserted into the first positioning hole 162.

[0055] Specifically, the axial direction of the two rollers 161 is parallel to the axial direction of the rotor 5, and the two ends of the rotating shaft of the rotor 5 are stepped shafts and are formed with stepped surfaces. The inner side of the support base 16 can abut against the stepped surfaces of the rotor 5 to axially position the rotating shaft of the rotor 5.

[0056] It should be noted that the length of the frame platform 11 should be greater than the length of the supporting position of the rotor 5, the width should be greater than the diameter of the yoke of the rotor 5, and the height of the support base 16 should be greater than the radius of the yoke of the rotor 5, and there should be enough distance to prevent the assembled magnetic steel 503 from attracting the assembling platform 1 to cause displacement of the assembling platform 1 or the rotor 5.

[0057] In combination Figure 1 and Figure 3 As shown, the rotor circumferential positioning device comprises a rotating positioning disc 3 and a positioning rod 4. The middle part of the rotating positioning disc 3 is bolted to the end of the rotating shaft of the rotor 5, and a plurality of second positioning holes 301 are formed along the circumferential edge of the rotating positioning disc 3. The positioning rod 4 passes through the second positioning hole 301 and the first positioning hole 162, thereby circumferentially positioning the rotating positioning disc 3 and the rotor 5.

[0058] It should be noted that the operator can rotate the rotating positioning disc 3 to make each second positioning hole 301 correspond to the first positioning hole 162, and then perform circumferential limiting by inserting and fixing the positioning rod 4. In this way, the magnetic steel mounting groove 502 on the rotor 5 can realize position switching and sequentially correspond to the magnetic steel pushing component 24 to push the magnetic steel 503.

[0059] Further, the rotating positioning disc 3 is provided with a slot along the circumference to facilitate rotation of the operator. The positioning rod 4 is preferably a round rod.

[0060] As Figure 4As shown, the assembly component 2 of the embodiment further comprises a bottom plate 21, a cross beam 23 and two side beams 22. The two ends of the bottom plate 21 are connected with the lower ends of the two side beams 22 respectively, and the two ends of the cross beam 23 are connected with the upper ends of the two side beams 22 respectively; the lower end of the side beam 22 is provided with a sliding block 221, and the upper surface of the frame-shaped platform 11 is provided with a guide rail 15 extending along the left-right direction corresponding to the two side beams 22, and the sliding block 221 is slidingly arranged on the guide rail 15; a linear driving device is drivingly connected with the middle part of the bottom plate 21, and the middle part of the cross beam 23 is provided with a magnetic steel pushing component 24.

[0061] Further, the magnetic steel pushing component 24 is arranged on the bottom plate 21, the cross beam 23 and / or the side beam 22. That is, the number of the magnetic steel pushing component 24 can be one, two, three or four. For example, when the number of the magnetic steel pushing component 24 is one, the magnetic steel pushing component 24 is preferably arranged on the cross beam 23; when the number of the magnetic steel pushing component 24 is four, the four magnetic steel pushing components 24 are arranged on the bottom plate 21, the cross beam 23 and the two side beams 22 respectively, so that when the bottom plate 21, the cross beam 23 and the two side beams 22 move along the axial direction, the magnetic steel pushing component 24 can push the magnetic steel 503.

[0062] For example, the number of the magnetic steel mounting grooves 502 on the rotor 5 of the embodiment is 24, and of course, the number of the magnetic steel mounting grooves 502 on the rotor 5 can be other numbers, which is also applicable. If the number of the magnetic steel pushing component 24 is one and the number of the tooth part 241 on the magnetic steel pushing component 24 is four, the rotor 5 needs to switch three assembly positions, and the magnetic steel pushing component 24 needs to push four times to complete the assembly of the magnetic steel 503. If the number of the magnetic steel pushing component 24 is four and the number of the tooth part 241 on the magnetic steel pushing component 24 is three, the rotor 5 needs to switch one assembly position, and the magnetic steel pushing component 24 needs to push twice to complete the assembly of the magnetic steel 503.

[0063] Further, the side beam 22 comprises a main beam 222 extending along the vertical direction and an inclined support beam 223 extending along the right-down direction. The upper end of the main beam 222 is connected with the upper end of the inclined support beam 223, and the lower ends of the main beam 222 and the inclined support beam 223 are slidingly connected with the guide rail 15 through the sliding block 221. It should be noted that the purpose of using the inclined support beam 223 is to enhance the stability of the assembly component 2.

[0064] Preferably, the bottom of the magnetic steel pushing component 24 is provided with four downward extending tooth parts 241, and each tooth part 241 corresponds to one magnetic steel mounting groove 502.

[0065] Further, the tooth part 241 is pasted with a polytetrafluoroethylene layer or a rubber layer. The polytetrafluoroethylene layer and the rubber layer are soft materials, which can prevent the tooth part 241 from knocking the magnetic steel 503.

[0066] Preferably, the magnetic steel pushing component 24 is made of non-magnetic material such as stainless steel, alloy aluminum, etc. In addition to the magnetic steel pushing component 24, the assembling platform 1, the assembling assembly 2, the rotating positioning disc 3 and the positioning rod 4 of the embodiment can be made of ordinary carbon steel.

[0067] As shown in Figure 2 , the linear driving device of the embodiment is a ball screw driving assembly, which comprises a ball nut 211, a first screw rod 14, two motors 12 and two gear boxes 13. The first screw rod 14 is parallel to the guide rail 15 in the axial direction, and the ball nut 211 is sleeved on the outer periphery of the first screw rod 14. The ball nut 211 is fixedly installed on the bottom plate 21 of the assembling assembly 2. One of the two motors 12 is connected to one end of the first screw rod 14 through the gear box 13, and the other of the two motors 12 is connected to the other end of the first screw rod 14 through the gear box 13. The purpose of providing two motors 12 in the embodiment is to improve the stability and reliability of the linear driving device, i.e., the two motors 12 constitute double insurance, so that even if one motor 12 is damaged, the linear driving device can still work normally.

[0068] As shown in Figure 5 and Figure 6 , the magnetic steel pressing strip 501 is provided with a plurality of through holes in the length direction, and each through hole can cooperate with a standard fastener to detachably fix the magnetic steel pressing strip 501 on the outer circumferential surface of the rotor 5. In addition, the cross section of the magnetic steel pressing strip 501 is T-shaped, and the T-shaped magnetic steel pressing strip 501 and the enclosed space formed by the outer circumferential surface of the rotor 5 can clamp the side of the magnetic steel 503 and limit the top surface of the side of the magnetic steel 503. Therefore, the embodiment only needs to axially position the magnetic steel 503 by the magnetic steel axial clamping tool 6, and does not need to provide a radial positioning tool.

[0069] Specifically, the magnetic steel axial clamping tool 6 comprises an axial baffle 601, a second screw rod 602 and a nylon block 603. The axial baffle 601 is detachably fixedly arranged on the side of the iron core of the rotor 5 and faces the magnetic steel mounting groove 502. A threaded hole is formed in the axial baffle 601, and the second screw rod 602 is screwed in the threaded hole. The end of the second screw rod 602 is rotatably connected to the nylon block 603, and the nylon block 603 can abut against the side of the magnetic steel 503. In operation, the second screw rod 602 is rotated to push the nylon block 603 to move along the magnetic steel mounting groove 502, thereby axially clamping the magnetic steel 503. After clamping, the second screw rod 602 is reversely rotated to drive the nylon block 603 to reset and disengage from the magnetic steel 503.

[0070] The process of assembling the magnetic steel by the surface-mounted magnetic steel assembling tool of the permanent magnet motor of the embodiment is as follows:

[0071] Step S1, rotor 5 is positioned: first, a plurality of magnetic steel pressing strips 501 are installed on the outer circumferential surface of the rotor 5; second, the rotor 5 is positioned on the assembly platform 1; finally, the rotor circumferential positioning device is fixedly installed on the end of the rotating shaft of the rotor 5. Specifically, the support position of the rotor 5 is positioned on the two support seats 16 of the assembly base 1, and the rotating support of the rotating shaft of the rotor 5 is formed by the rollers 161.

[0072] Step S2, the rotor 5 is circumferentially positioned: the rotor circumferential positioning device is connected with the assembly platform 1 to circumferentially position the rotor 5. Specifically, the rotating positioning disc 3 is installed on the rotating shaft of the rotor 5, and the positioning rod 4 is inserted into the support seat 16 to perform circumferential positioning.

[0073] Step S3, first, magnetic steel adhesive is applied to the magnetic steel installation area; second, a plurality of magnetic steels 503 are correspondingly placed in a plurality of magnetic steel installation grooves 502 of the rotor 5; finally, the assembly assembly 2 is driven to move to the left side by the linear drive device, so that the magnetic steel pushing component 24 simultaneously assembles a plurality of magnetic steels 503 to the corresponding magnetic steel installation area;

[0074] Step S4, the assembly assembly 2 is driven to move to the right side by the linear drive device, and returns to the initial position.

[0075] Step S5, repeat the above steps S3 to S4 until the assembly of the magnetic steels 503 in the plurality of magnetic steel installation grooves 502 is completed.

[0076] Step S6, the rotor circumferential positioning device is disconnected from the assembly platform 1, and the rotor 5 is rotated to the next assembly position, and the above steps S2 to S5 are repeatedly performed until the assembly of the magnetic steels 503 in all magnetic steel installation grooves 502 of the rotor 5 is completed. Specifically, the positioning rod 4 is first removed, and the rotating positioning disc 4 is rotated to drive the rotor 5 to rotate to the next assembly position, and the four magnetic steel installation grooves 502 corresponding to the magnetic steel pushing component 24 are not assembled with the magnetic steels 503.

[0077] Before step S1, it also includes: tool assembly: first, the assembly platform 1, the assembly assembly 2 and the linear drive device are assembled together, and then the assembly assembly 2 is driven to move left and right on the assembly platform 1 by the linear drive device to detect whether the assembly assembly 2 can normally and smoothly run.

[0078] Before step S5, it also includes: the side surface of the plurality of magnetic steels 503 is tightened by the magnetic steel axial tightening tool, and the plurality of magnetic steels 503 are waited to be bonded and fixed with the rotor 5.

[0079] Example 2:

[0080] The embodiment provides another surface-mounted magnetic steel assembling tool of a permanent magnet motor, and different from the embodiment 1 is that a linear driving device of the embodiment is a cylinder instead of the ball screw driving assembly in the embodiment 1. The cylinder is arranged along the left-right direction, and the piston rod tail end of the cylinder is connected with the bottom of the assembling assembly 2, and the cylinder can drive the assembling assembly 2 to move along the left-right direction.

[0081] It should be explained that the surface-mounted magnetic steel assembling tool of the permanent magnet motor can be installed on the workbench surface to perform the assembling work of the surface-mounted magnetic steel of the rotor.

[0082] The rest is the same as the embodiment 1, and details are not repeated here.

[0083] In the description of the utility model, it should be understood that the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0084] In the utility model, unless otherwise specifically defined and limited, the terms "installation", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0085] In the utility model, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. Moreover, the first feature is "above", "above" and "above" the second feature, which can be directly above or obliquely above the first feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature is "below", "below" and "below" the second feature, which can be directly below or obliquely below the first feature, or only indicates that the horizontal height of the first feature is lower than that of the second feature.

[0086] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "embodiment", "example", "specific example" or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.

[0087] Although the embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and the person skilled in the art can modify, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A permanent magnet motor surface-mounted magnet assembly tool, characterized in that, The application relates to a magnetic steel assembling device, which comprises the following parts: an assembling platform (1) capable of rotatingly supporting and axially positioning a rotor (5); a rotor circumferential positioning device capable of being detachably fixed to the rotating shaft of the rotor (5) and being selectively connected with the assembling platform (1) to circumferentially position the rotor (5); an assembling assembly (2) slidably arranged on the assembling platform (1) along the axial direction of the rotor (5), wherein the assembling assembly (2) comprises magnetic steel pushing parts (24) arranged on the assembling assembly (2) and spaced apart from each other, and at least two tooth portions (241) are arranged on the magnetic steel pushing parts (24) and used for pushing at least two rows of magnetic steels (503) on the rotor (5) to complete assembling when the assembling assembly (2) slides along the axial direction; a linear driving device connected with the bottom of the assembling assembly (2) and capable of driving the assembling assembly (2) to move along the axial direction of the rotor (5) so that the tooth portions (241) synchronously move along the axial direction.

2. The permanent magnet machine surface-mounted magnet assembly tooling of claim 1, wherein: The magnetic steel pushing parts (24) are spaced apart from each other and extend towards the direction close to the rotor (5), and each tooth portion (241) corresponds to a row of magnetic steels (503).

3. The permanent magnet machine surface-mounted magnet assembly tooling of claim 2, wherein: A polytetrafluoroethylene layer or a rubber layer is attached to the tooth portions (241).

4. The permanent magnet machine surface-mounted magnet assembly tooling of claim 1, wherein: The assembling platform (1) comprises a frame-shaped platform (11), a first supporting base (16) and a second supporting base (17); a first supporting base (16) is arranged on one side of the upper surface of the frame-shaped platform (11), and a second supporting base (17) is arranged on the opposite side of the upper surface of the frame-shaped platform (11), and the upper portions of the first supporting base (16) and the second supporting base (17) are provided with rollers (161) capable of rotatingly supporting the rotating shaft of the rotor (5); a first positioning hole (162) is formed in the outer side of the first supporting base (16), and the rotor circumferential positioning device is selectively inserted into the first positioning hole (162).

5. The permanent magnet machine surface-mounted magnet assembly tooling of claim 4, wherein: The rotor circumferential positioning device comprises a rotating positioning disc (3) and a positioning rod (4); the middle portion of the rotating positioning disc (3) is bolt-connected with the end portion of the rotating shaft of the rotor (5), a plurality of second positioning holes (301) are formed in the rotating positioning disc (3) along the circumferential direction, and the positioning rod (4) passes through the second positioning holes (301) and the first positioning holes (162) to circumferentially position the rotating positioning disc (3) and the rotor (5).

6. The permanent magnet machine surface-mounted magnet assembly tooling of claim 4, wherein: The assembling assembly (2) further comprises a bottom plate (21), a cross beam (23) and two side beams (22); the two ends of the bottom plate (21) are connected with the lower ends of the two side beams (22) respectively, the two ends of the cross beam (23) are connected with the upper ends of the two side beams (22) respectively, and the linear driving device is drivingly connected with the middle portion of the bottom plate (21); the magnetic steel pushing parts (24) are arranged on the bottom plate (21), the cross beam (23) and / or the side beams (22).

7. The permanent magnet machine surface-mounted magnet assembly tooling of claim 6, wherein: The side beam (22) comprises a main beam (222) extending along the vertical direction and an inclined supporting beam (223) extending along the inclined direction; the upper end of the main beam (222) is connected with the upper end of the inclined supporting beam (223), and the lower ends of the main beam (222) and the inclined supporting beam (223) are slidably arranged on the assembling platform (1).

8. The permanent magnet machine surface-mounted magnet assembly tooling of claim 6, wherein: The linear driving device is a ball screw driving assembly, which comprises a ball nut (211), a first screw rod (14), a motor (12) and a gear box (13); The first screw rod (14) is parallel to the guide rail (15) in the axial direction, and the periphery of the first screw rod (14) is sleeved with the ball nut (211), which is fixedly installed on the bottom plate (21) of the assembly component (2); the motor (12) is drivingly connected to the first screw rod (14) through the gear box (13).

9. The permanent magnet machine surface-mounted magnet assembly tooling of claim 1, wherein: The upper part of the assembly platform (1) is provided with an axially extending guide rail (15), and the bottom of the assembly component (2) is provided with a sliding block (221) which is slidingly arranged on the guide rail (15).

10. The permanent magnet machine surface-mounted magnet assembly tooling of any one of claims 1-9, wherein: The circumferential surface of the rotor (5) is provided with a plurality of axially extending magnetic steel pressing strips (501), wherein two adjacent magnetic steel pressing strips (501) and the circumferential surface of the rotor (5) form a magnetic steel mounting groove (502), and each magnetic steel mounting groove (502) corresponds to a to-be-mounted magnetic pole, and the to-be-mounted magnetic pole is composed of a plurality of magnetic steels (503).

Images