Device for pressing magnet in motor
By using a device that presses magnets into the motor and employs locking components to restrict the movement of the lifting column, the problem of poor magnet pressing caused by shaft movement is solved, thus achieving higher quality magnet pressing.
Patent Information
- Application Number
- CN202520288314.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-21
AI Technical Summary
When pressing magnets into the motor shaft using existing pressing equipment, the shaft is prone to shifting, resulting in poor magnet pressing quality.
A device comprising a first mounting base, a U-shaped mounting bracket, a lifting drive cylinder, a lifting column, a locking drive cylinder, and a locking element is used to restrict the movement of the lifting column by the locking element, ensuring that the magnet is fully pressed into the shaft core.
This effectively prevents the shaft core from shifting during magnet pressing, thus improving the pressing quality and precision of the magnet.
Smart Images

Figure CN223729601U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to motor assembly technical field especially relates to a device for magnet pressure equipment in motor. BACKGROUND
[0002] Rotor and stator are two core components of motor, in addition, it needs to pressure equipment a magnet in motor shaft core in the assembly process, traditional pressure equipment mode is manpower through hammer and hit magnet into the shaft core, but this mode work efficiency is very low, and the quality of each person pressure equipment cannot be guaranteed, thus in the future utilizes the machinery to replace manpower and carries out pressure equipment;
[0003] The utility model discloses a motor processing stator and rotor pressure equipment positioning module, including support, pressing head and thimble assembly, is provided with stator fixture, rotor positioning plate and first elastic return piece on the support, the rotor positioning plate is provided with rotor positioning fixture and second elastic return piece and slides horizontally, the side of rotor positioning fixture is provided with rotor positioning groove, and is provided with adsorption magnet on the rotor positioning fixture, the thimble assembly includes the thimble of passing through stator fixture and the lifting unit of driving thimble lifting;
[0004] The patent in the implementation process, the rotor can be positioned directly by magnetic adsorption in the rotor positioning groove when feeding, and a unique clutch structure is designed, after the pressing head and the thimble hold the rotor fixed, the rotor positioning fixture can be driven to leave by the horizontal moving unit, which can not only simplify the feeding operation of the rotor, but also has good positioning accuracy, thereby effectively reducing the labor intensity of workers;
[0005] But in the patent, when pressure equipment magnet in the shaft core, drive thimble to stretch out through the lifting unit, and provide support force by thimble abutting to one end of the shaft core, and then press the magnet into the shaft core by the press at the top of the motor, but when the press is pressed down, the magnet will act on the shaft core a downward pressure, at this time, the shaft core will be linked with the thimble and move downward under this pressure, which leads to the magnet cannot be completely pressed into the shaft core, affecting the working performance of the motor next step.
[0006] Therefore, a device for pressure equipment magnet in motor is needed to avoid shaft core movement when pressure equipment magnet and improve the pressure equipment quality of magnet. UTILITY MODEL CONTENTS
[0007] In view of the above technical problems, the utility model provides a device for pressure equipment magnet in motor, which solves the problem that the existing pressure equipment device causes shaft core movement when pressure equipment magnet in the shaft core, resulting in that the pressure equipment quality of magnet cannot be guaranteed.
[0008] The above technical purpose of the utility model is realized through the following technical scheme.
[0009] A device for pressing and installing a magnet in a motor, comprising a first mounting seat, one side of the first mounting seat is connected with a U-shaped mounting frame, one end of the U-shaped mounting frame is vertically provided with a first lifting driving cylinder, and an output end of the first lifting driving cylinder is provided with a jacking column.
[0010] One side of the first mounting seat is provided with a second mounting seat, two second lifting driving cylinders are diagonally arranged on the second mounting seat, support discs are arranged on output ends of the two second lifting driving cylinders, a tray is elastically arranged on the support disc, positioning holes for positioning the motor are formed in the tray, and the jacking column is arranged in the center of the positioning hole.
[0011] An adapter column is arranged on the jacking column, the diameter of the adapter column is smaller than that of the jacking column, a connecting sleeve is arranged at the position of the adapter column of the first mounting seat, a first fixing seat is arranged on one side of the connecting sleeve, a locking driving cylinder is arranged on the first fixing seat and perpendicular to the axis direction of the jacking column, a locking piece is arranged on the output end of the locking driving cylinder, the locking piece is used for realizing axial locking of the jacking column when the magnet is pressed and installed, and the axial locking prevents the motor shaft core from moving.
[0012] Further, a U-shaped sliding hole is formed in the locking piece, the U-shaped sliding hole is sleeved on the adapter column and has a width smaller than the diameter of the jacking column, one end of the U-shaped sliding hole is provided with a through hole, the diameter of the through hole is greater than that of the jacking column, the jacking column slides along the through hole when the first lifting driving cylinder acts, and when the jacking column is locked, the locking driving cylinder controls the locking piece to move transversely along the U-shaped sliding hole, and one end of the jacking column is arranged on the locking piece.
[0013] Further, the other side of the connecting sleeve is provided with a second fixing seat, a limiting screw is arranged on the second fixing seat, and the limiting screw is used for limiting the stroke of the locking piece between the first fixing seat and the second fixing seat.
[0014] Further, the jacking column is provided with a guide sleeve at both ends of the adapter column, and the guide sleeve is arranged in the connecting sleeve.
[0015] Further, the second mounting seat is also diagonally provided with a first guide piece, and one end of the first guide piece is connected with the support disc.
[0016] Further, the support disc is provided with a second guide piece in a rectangular shape, the second guide piece is provided with an elastic piece, one end of the second guide piece is provided with a placement disc, and the tray is arranged on the placement disc.
[0017] In summary, the utility model has the beneficial technical effects that:
[0018] When the motor is pressed, the motor is placed at the positioning hole of the tray, then the lifting column is lifted upwards along the connecting sleeve by the first lifting driving cylinder and abuts to one end of the shaft core, then the locking piece is controlled to move laterally by the locking driving cylinder, so that the through hole on the locking piece is eccentrically misaligned with the lifting column, so that one end of the lifting column falls on the locking piece to realize clamping, so that when the magnet is pressed, the downward movement of the lifting column after being pressed is limited by the locking piece, thereby ensuring that the magnet is completely sleeved in the shaft core. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 is a schematic view of the overall structure of the utility model;
[0020] Figure 2 is Figure 1 a schematic view of the connecting sleeve is hidden;
[0021] Figure 3 is a schematic view of the cooperation of the lifting column and the locking piece;
[0022] Figure 4 is Figure 2 an enlarged schematic view of A of the utility model;
[0023] Figure 5 is a schematic view of the utility model when the magnet is pressed;
[0024] Figure 6 is Figure 5 a schematic view of the A-A section of the utility model.
[0025] Reference signs: 1, first mounting seat; 2, U-shaped mounting frame; 3, first lifting driving cylinder; 4, lifting column; 5, connecting column; 6, connecting seat; 7, second mounting seat; 8, second lifting driving cylinder; 9, first guide piece; 10, supporting disc; 11, second guide piece; 12, elastic piece; 13, storage tray; 14, tray; 15, positioning hole; 16, connecting sleeve; 17, first fixed seat; 18, second fixed seat; 19, locking driving cylinder; 20, locking piece; 21, U-shaped sliding hole; 22, through hole; 23, limiting screw; 24, guide sleeve; 25, motor; 26, shaft core; 27, magnet. DETAILED DESCRIPTION
[0026] The utility model will be described clearly and completely below by combining with the embodiments.
[0027] It should be noted that all directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), if the specific posture changes, the directionality indications also change accordingly.
[0028] In the description of the embodiments, unless otherwise expressly specified and limited, the terms "set," "connect," etc., should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or a connection through an intermediate medium, or it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0029] See appendix Figures 1-4 The image shows a device for pressing magnets into an electric motor, including a first mounting base 1; wherein a U-shaped mounting bracket 2 with an upward opening is bolted to one side of the first mounting base 1, a first lifting drive cylinder 3 is vertically mounted at the bottom end of the U-shaped mounting bracket 2, and the output end of the first lifting drive cylinder 3 is provided with an upward lifting column 4.
[0030] A connecting column 5 is machined on the lifting column 4. The diameter of the connecting column 5 is smaller than that of the lifting column 4. A connecting sleeve 16 is provided on the first mounting base 1 at the position of the connecting column 5. The lifting column 4 is fitted into the connecting sleeve 16. A first fixing base 17 and a second fixing base 18 are respectively installed on the left and right sides of the connecting sleeve 16. A locking drive cylinder 19 is provided on the first fixing base 17 along the direction perpendicular to the axis of the lifting column 4. A locking element 20 is provided laterally between the first fixing base 17, the connecting sleeve 16 and the second fixing base 18 at the output end of the locking drive cylinder 19.
[0031] The locking member 20 is provided with a U-shaped sliding hole 21, and the length direction of the U-shaped sliding hole 21 is perpendicular to the axis of the lifting column 4. The width of the U-shaped sliding hole 21 is greater than the diameter of the connecting column 5 and less than the diameter of the lifting column 4. The locking member 20 is provided with a through hole 22 at one end of the U-shaped sliding hole 21. The diameter of the through hole 22 is greater than the diameter of the lifting column 4. When the first lifting drive cylinder 3 controls the lifting column 4 to lift and support the shaft core 26 upward, the lifting column 4 is located in the through hole 22 and along... Moving up and down through the hole 22, when pressing the magnet 27, the locking drive cylinder 19 controls the locking member 20 to move laterally along the U-shaped sliding hole 21. At this time, the connecting column 5 is placed in the U-shaped sliding hole 21. Since the diameter of the lifting column 4 is greater than the width of the U-shaped sliding hole 21, when the lifting column 4 is subjected to downward pressure from the shaft core 26, one end of the lifting column 4 sits on the locking member 20. The locking member 20 restricts the downward movement of the lifting column 4, thus preventing the shaft core 26 from moving downward.
[0032] Furthermore, a limiting screw 23 is provided on the second fixed seat 18 to limit the movement stroke of the locking member 20;
[0033] Further, one side of the first mounting base 1 is provided with a connecting seat 6, one side of the connecting seat 6 is provided with a second mounting base 7, the second mounting base 7 is diagonally provided with a second lifting driving cylinder 8, and the other set of diagonals of the second mounting base 7 is provided with a first guide 9, one end of the first guide 9 is provided with a supporting disc 10, the supporting disc 10 is provided with a second guide 11 in a rectangular shape, the second guide 11 is provided with an elastic piece 12, one end of the second guide 11 is provided with a storage disc 13, and the storage disc 13 is bolted with a tray 14, the second lifting driving cylinder 8 and the first guide 9 reduce the distance between the supporting disc 10 and the tray 14, and the second guide 11 improves the stability of the tray 14 when subjected to a load;
[0034] Further, the tray 14 is provided with a positioning hole 15, the jacking column 4 is located in the center of the positioning hole 15, when the magnet 27 is pressed and mounted, the motor 25 is placed on the tray 14 through the positioning hole 15 on the tray 14, the motor 25 is positioned through the positioning hole 15, and it is ensured that the shaft core 26 can be located directly above the jacking column 4.
[0035] It should be noted that when the jacking column 4 is used to jack up and support the shaft core 26, the top end of the jacking column 4 is controlled by the first lifting driving cylinder 3 to abut against the end of the shaft core 26, at this time the connecting column 5 is located in the through hole 22, so when locked, the connecting column 5 can slide in the U-shaped sliding hole 21, thereby avoiding the problem of interference between the two.
[0036] It should be noted that when in use, the entire device can be fixed on the rack through the second mounting base 7.
[0037] In use, as shown in the accompanying drawings, Figures 5-6 First, the motor 25 needing to be pressed and mounted with the magnet 27 is placed on the tray 14 through the positioning hole 15 on the tray 14, then the jacking column 4 is driven upward by the first lifting driving cylinder 3, and the top end of the jacking column 4 abuts against the bottom end of the shaft core 26, at this time the connecting column 5 is located in the through hole 22, then the locking driving cylinder 19 is started to control the locking piece 20 to slide transversely along the U-shaped sliding hole 21, so that the jacking column 4 is seated on the locking piece 20, thereby achieving the locking of the jacking column 4, preventing it from moving downward when subjected to pressure, then the magnet 27 is pressed downward and mounted on the shaft core 26 by the presser above the motor 25.
[0038] The above is only a preferred specific embodiment of the present application, and is not intended to limit the protection scope of the present application, therefore: any equivalent changes made in structure, shape and principle according to the present application should be covered within the protection scope of the present application.
Claims
1. A device for pressing and assembling magnets in an electric machine, comprising a first mounting base (1), one side of the first mounting base (1) being connected with a U-shaped mounting frame (2), one end of the U-shaped mounting frame (2) being vertically mounted with a first lifting driving cylinder (3), the output end of the first lifting driving cylinder (3) being provided with a jacking column (4); one side of the first mounting base (1) being provided with a second mounting base (7), two second lifting driving cylinders (8) being diagonally arranged on the second mounting base (7), the output ends of the two second lifting driving cylinders (8) being provided with a support disc (10), the support disc (10) being elastically provided with a tray (14), the tray (14) being provided with a positioning hole (15) for positioning an electric machine (25), the jacking column (4) being located in the center of the positioning hole (15); characterized in that the jacking column (4) being provided with a connecting column (5), the diameter of the connecting column (5) being smaller than that of the jacking column (4), the first mounting base (1) being provided with a connecting sleeve (16) at the position of the connecting column (5), one side of the connecting sleeve (16) being provided with a first fixing base (17), the first fixing base (17) being provided with a locking driving cylinder (19) perpendicular to the axis direction of the jacking column (4), the output end of the locking driving cylinder (19) being provided with a locking piece (20), the locking piece (20) being used for realizing axial locking of the jacking column (4) when pressing and assembling magnets (27), so as to prevent the shaft core (26) of the electric machine (25) from moving.
2. An apparatus for press-fitting magnets in an electric motor according to claim 1, characterized in that: the locking piece (20) being provided with a U-shaped sliding hole (21), the U-shaped sliding hole (21) being sleeved on the connecting column (5) and having a width smaller than the diameter of the jacking column (4), one end of the U-shaped sliding hole (21) being provided with a through hole (22), the diameter of the through hole (22) being larger than that of the jacking column (4), the jacking column (4) sliding along the through hole (22) when the first lifting driving cylinder (3) is actuated, the locking driving cylinder (19) controlling the locking piece (20) to move transversely along the U-shaped sliding hole (21) when the jacking column (4) is locked, and the one end of the jacking column (4) being seated on the locking piece (20).
3. An apparatus for press-fitting magnets in an electric motor according to claim 1, wherein: the other side of the connecting sleeve (16) being provided with a second fixing base (18), the second fixing base (18) being provided with a limiting screw (23), the limiting screw (23) being used for limiting the stroke of the locking piece (20) between the first fixing base (17) and the second fixing base (18).
4. An apparatus for press-fitting magnets in an electric motor according to claim 1, wherein: the jacking column (4) being provided with a guide sleeve (24) at both ends of the connecting column (5), the guide sleeve (24) being mounted in the connecting sleeve (16).
5. An apparatus for press-fitting magnets in an electric motor according to claim 1, wherein: the second mounting base (7) being further diagonally provided with a first guide piece (9), one end of the first guide piece (9) being connected with the support disc (10).
6. An apparatus for press-fitting magnets in an electric motor according to claim 1, wherein: the support disc (10) being provided with a second guide piece (11) in a rectangular shape, the second guide piece (11) being provided with an elastic piece (12), one end of the second guide piece (11) being provided with a storage disc (13), the tray (14) being placed on the storage disc (13).
Citation Information
Patent Citations
Stator and rotor press-fitting positioning module for motor machining
CN220510938U