Rotor shaft branch automatic feeding device, press-fitting machine and press-fitting method

Abstract

The invention relates to an automatic feeding device for rotor shaft branches, a press-fitting machine and a press-fitting method. The device comprises a mounting plate, a stock bin is arranged on the upper surface of the mounting plate, a material groove for transversely placing the shaft branches is formed in the upper portion of the stock bin, and a discharging opening is formed in the bottom of the material groove; a material distributing rotating wheel and a material distributing groove are arranged at the material outlet of the material bin; a plurality of accommodating grooves for accommodating shaft branches are formed in the peripheral side surface of the material distribution rotating wheel; a driving unit and a blanking groove are arranged on the mounting plate; a reversing groove is formed in the lower surface of the mounting plate, the inner wall of one side of the reversing groove is a vertical face, the inner wall of the other side of the reversing groove is an inclined face, the upper ends of the vertical face and the inclined face correspond to the two ends of the blanking groove respectively, and a longitudinal discharging groove is formed in the bottom of the reversing groove; a magnetic attraction guide unit close to the upper end of the vertical surface is arranged on the lower surface of the mounting plate; by means of the method, automatic material distribution and automatic deflection adjustment of the shaft branches can be achieved through single drive, the structure is reasonable and compact, and a foundation is provided for longitudinal press fitting of the shaft branches.

Description

Technical Field

[0001] The present invention relates to the technical field of motor processing, and more specifically to an automatic feeding device for rotor shaft branches, a press-fitting machine and a press-fitting method. Background Art

[0002] The motor rotor is an important component of the motor. When the rotor is assembled, the process of pressing the shaft branch is involved. The existing rotor shaft branch pressing process mostly adopts transverse pressing, that is, the rotor and the shaft branch are positioned in a transverse direction and then pressed. Due to the interference of the rotor and the weight of the shaft branch itself, the pressing accuracy is difficult to guarantee. The main reason for adopting this process is that the longitudinal feeding of the shaft branch is difficult to automate, and it can only be used to process motors with low precision requirements. In order to overcome this difficulty and improve the pressing accuracy, a rotor shaft branch automatic feeding device, a pressing machine and a pressing method that can automatically provide longitudinal shaft branches are needed. Summary of the invention

[0003] The technical problem to be solved by the present invention is that, in view of the above-mentioned defects of the prior art, an automatic feeding device for rotor shaft branches is provided, and a rotor shaft branch pressing machine and a rotor shaft branch pressing method are also provided.

[0004] The technical solution adopted by the present invention to solve its technical problem is:

[0005] A rotor shaft branch automatic feeding device is constructed, which includes a mounting plate, a material bin is arranged on the upper surface of the mounting plate, a material trough for horizontally placing shaft branches is arranged on the upper part of the material bin, and a discharge port is arranged at the bottom of the material trough; the material bin is provided with a dividing wheel and a dividing trough matching the dividing wheel at the discharge port; a plurality of accommodating grooves for accommodating the shaft branches are arranged on the circumferential surface of the dividing wheel; a driving unit for driving the dividing wheel to rotate and a dropping trough for the shaft branches to fall opposite to the dividing trough are arranged on the mounting plate; a reversing groove is arranged on the lower surface of the mounting plate, and the inner wall on one side of the reversing groove is a vertical surface, and the inner wall on the other side is an inclined surface, and the vertical The upper ends of the vertical surface and the inclined surface correspond to the two ends of the blanking trough respectively, and a longitudinal discharge trough is arranged at the bottom of the reversing trough; the lower surface of the mounting plate is provided with a magnetic attraction and guidance unit near the upper end of the vertical surface; the magnetic attraction and guidance unit comprises a first strong magnet in a bar shape, a guide unit for guiding the movement of the first strong magnet, and a reciprocating unit for driving the first strong magnet to perform reciprocating motion, and the reciprocating unit is provided with a driving force by the material dividing wheel; the two end points of the reciprocating motion of the first strong magnet are respectively located at the upper end close to the vertical surface and the upper end away from the vertical surface, and when the shaft branch enters the blanking trough, the first strong magnet is located near the upper end of the vertical surface.

[0006] The rotor shaft branch automatic feeding device described in the present invention, wherein the reciprocating unit includes a rotating shaft rotatably arranged on the mounting plate and parallel to the material dividing wheel, a driving wheel is arranged at the end of the material dividing wheel, a driven wheel meshing with the driving wheel is arranged at one end of the rotating shaft, and a cam assembly is arranged at the other end of the rotating shaft.

[0007] The rotor shaft branch automatic feeding device described in the present invention, wherein the cam assembly includes a cam coaxial with the rotating shaft and a drive ring cooperating with the cam, the guide unit includes a matching guide column and a guide sleeve, the first strong magnet is fixed at one end of the guide column; the drive ring is fixed to the outer surface of the guide column, and the guide sleeve is provided with an avoidance groove for avoiding the drive ring and an elastic reset member for resetting the guide column.

[0008] The rotor shaft branch automatic feeding device described in the present invention is characterized in that the elastic reset member is a spring, one end of the spring is fixedly connected to the end of the guide column, and the other end is fixedly connected to the inner wall of the guide sleeve.

[0009] The rotor shaft branch automatic feeding device described in the present invention, wherein the driving unit includes a driving motor, a motor mounting seat and a synchronous belt pulley, and the driving motor drives the material distribution wheel to rotate through the synchronous belt pulley.

[0010] A rotor shaft pressing machine, comprising the above-mentioned rotor shaft automatic feeding device, and further comprising a rotor feeding assembly, a first manipulator, a material transfer assembly, a pressing machine, a second manipulator, a shaft receiving assembly, a third manipulator and a product conveyor belt; the first manipulator, the second manipulator and the third manipulator are respectively located on the left side, the right side and the front side of the pressing station of the pressing machine;

[0011] The rotor loading assembly is used to load the rotor; the first manipulator is used to transfer the loaded rotor to the material transferring assembly; the shaft branch receiving assembly is used to receive the shaft branches dropped from the rotor shaft branch automatic feeding device; the second manipulator is used to take the shaft branches from the shaft branch receiving assembly and move the shaft branches to the material transferring assembly; the material transferring assembly is used to receive the rotor and the shaft branches and transfer the rotor and the shaft branches to the pressing station of the pressing machine for pressing with the pressing machine; the third manipulator is used to take the rotor with the shaft branches pressed from the material transferring assembly and place it on the product conveyor belt.

[0012] The rotor shaft branch press described in the present invention, wherein the rotor loading assembly includes a first stacking rack, a second stacking rack and a pallet transverse movement unit, and the first stacking rack and the second stacking rack are both arranged astride the pallet transverse movement unit; both sides of the first stacking rack and the second stacking rack are provided with a pallet lifting plate, a lifting cylinder for driving the pallet lifting plate to rise and fall, and a transverse movement cylinder for driving the pallet lifting plate and the lifting cylinder to move transversely.

[0013] The rotor shaft branch pressing machine described in the present invention, wherein the first stacking rack and the second stacking rack each include four rectangularly distributed bases, the bases are provided with longitudinal guide rods, the cross-section of the guide rods is L-shaped; the four guide rods enclose a pallet stacking area; the four bases are grouped in pairs and distributed on both sides of the pallet transverse movement unit, and the two bases on the same side are connected by a bottom plate; two track seats are provided on the bottom plate, the track seats are provided with transverse tracks, and also include a sliding plate slidably connected to the two tracks, the sliding plate is provided with the lifting cylinder and the guide rod guide sleeve for guiding the pallet lifting plate; the transverse movement cylinder is provided on any of the track seats, and the movable end of the transverse movement cylinder is connected to the sliding plate via a connecting plate.

[0014] The rotor shaft branch press machine described in the present invention includes a press, a jig plate is provided on the movable end of the material transfer assembly, and a rotor jig and a shaft branch jig are provided on the jig plate; a pressing head is provided on the movable end of the press, and a receiving hole for partially accommodating the shaft branch is provided at the lower end of the pressing head, and a second strong magnet for adsorbing the shaft branch is provided in the receiving hole.

[0015] A rotor shaft branch method, using the rotor shaft branch press as described above, is characterized in that the method comprises the steps of:

[0016] The rotor loading assembly loads the rotor, and the first manipulator transfers the loaded rotor to the transfer assembly;

[0017] The driving unit drives the material distribution wheel to rotate, and the material distribution wheel drives the reciprocating unit to move; the rotation of the material distribution wheel will drive the shaft branch that falls into the receiving slot at the bottom of the material bin to rotate and fall to the material drop slot to achieve material distribution; the reciprocating unit moves, and when the shaft branch enters the material drop slot, the first strong magnet is located at the upper end close to the vertical surface, and attracts the end of the shaft branch close to the vertical surface, so that the shaft branch deflects and switches from the horizontal state to the vertical state, and then the first strong magnet moves in the direction away from the vertical surface, contacts the attraction of the shaft branch, and the shaft branch is discharged vertically from the discharge slot;

[0018] The shaft branch receiving assembly is used to receive the shaft branches dropped from the rotor shaft branch automatic feeding device, and the second manipulator is used to take the shaft branches from the shaft branch receiving assembly and move the shaft branches to the material transfer assembly;

[0019] The material transfer assembly transfers the shaft to the bottom of the press, the pressing head of the press moves downward to absorb the shaft and then moves upward, the material transfer assembly transfers the rotor to the bottom of the press, and the pressing head of the press moves downward to press the shaft into the rotor;

[0020] The third robot is used to take the rotor with the shaft branch pressed on it from the material transfer assembly and place it on the product conveyor belt.

[0021] The beneficial effects of the present invention are as follows: the driving unit drives the material dividing wheel to rotate, and the material dividing wheel drives the reciprocating unit to move; the rotation of the material dividing wheel will drive the shaft branch that falls into the receiving groove at the lower end of the material bin to rotate and fall to the blanking groove to realize material dividing; the reciprocating unit moves, and when the shaft branch enters the blanking groove, the first strong magnet is located at the upper end close to the vertical surface, and attracts the end of the shaft branch close to the vertical surface, so that the shaft branch deflects and switches from a horizontal state to a vertical state, and then the first strong magnet moves in a direction away from the vertical surface, contacts the attraction of the shaft branch, and the shaft branch is discharged vertically from the discharge groove; by applying the method of the present application, automatic material dividing and automatic deflection adjustment of the shaft branch can be realized through a single drive, and the structure is reasonable and compact, providing a basis for the longitudinal pressing of the shaft branch. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. The drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work:

[0023] Figure 1 1. It is a schematic diagram of the structure of the rotor shaft branch automatic feeding device of a preferred embodiment of the present invention (in order to clearly show the structure of the commutation slot, the cover plate outside the commutation slot is hidden in the figure);

[0024] Figure 2 It is a schematic diagram of the function of the material dividing wheel and the magnetic attraction guide unit of the rotor shaft branch automatic feeding device of the preferred embodiment of the present invention;

[0025] Figure 3 This is a schematic diagram of the structure of a rotor shaft press assembly machine according to a preferred embodiment of the present invention;

[0026] Figure 4 yes Figure 3 The enlarged schematic diagram at A in the middle;

[0027] Figure 5 yes Figure 3 The enlarged schematic diagram of point B in the middle;

[0028] Figure 6 1. It is a top view of a rotor shaft press assembly machine according to a preferred embodiment of the present invention;

[0029] Figure 7It is a flow chart of the rotor shaft branch pressing method according to a preferred embodiment of the present invention. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the following will be described clearly and completely in combination with the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are partial embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the protection scope of the present invention.

[0031] The rotor shaft branch automatic feeding device of the preferred embodiment of the present invention is as follows Figure 1 See also Figure 2 , including a mounting plate 10, a material bin 11 is arranged on the upper surface of the mounting plate 10, a material trough 110 for horizontally placing the axle branches is arranged on the upper part of the material bin 11, and a discharge port 111 is arranged at the bottom of the material trough 110; the material bin 11 is provided with a material dividing wheel 12 and a material dividing trough 112 matching the material dividing wheel 12 at the discharge port 111; a plurality of accommodating grooves 120 for accommodating the axle branches are arranged on the peripheral surface of the material dividing wheel 12; a driving unit 13 for driving the material dividing wheel 12 to rotate is arranged on the mounting plate 10, and a material dropping trough 100 for the axle branches to fall directly opposite to the material dividing trough 112; a reversing groove 14 is arranged on the lower surface of the mounting plate 10, and the inner wall of one side of the reversing groove 14 is a vertical surface 140, and the inner wall of the other side is an inclined surface 141, and the vertical surface 140 and the inclined surface 141 The upper ends of the reversing groove 14 correspond to the two ends of the blanking trough 100 respectively, and a longitudinal discharge groove 142 is arranged at the bottom of the reversing groove 14; the lower surface of the mounting plate 10 is provided with a magnetic attraction and guidance unit 15 near the upper end of the vertical surface 140; the magnetic attraction and guidance unit 15 includes a first strong magnet 150 in a bar shape, a guide unit 151 for guiding the movement of the first strong magnet 150, and a reciprocating unit 152 for driving the first strong magnet 150 to do reciprocating motion, and the reciprocating unit 152 is provided with a driving force by the material dividing wheel 12; the two end positions of the first strong magnet 150 doing reciprocating motion are respectively located at the upper end close to the vertical surface 140 and the upper end away from the vertical surface 141, and when the shaft branch enters the blanking trough 100, the first strong magnet 150 is located at the upper end close to the vertical surface 140;

[0032] The driving unit 13 drives the material distribution wheel 12 to rotate, and the material distribution wheel 12 drives the reciprocating unit 152 to move; the rotation of the material distribution wheel 12 will drive the shaft branch at the bottom of the bin 11 to fall into the receiving groove 120 and rotate to the blanking groove 100 to fall, so as to achieve material distribution; the reciprocating unit 152 moves, and when the shaft branch enters the blanking groove 100, the first strong magnet 150 is located at the upper end close to the vertical surface 140, and attracts the end of the shaft branch close to the vertical surface 140, so that the shaft branch deflects and switches from the horizontal state to the vertical state, and then the first strong magnet 150 moves in the direction away from the vertical surface 140, contacts the attraction of the shaft branch, and the shaft branch is discharged vertically from the discharge groove 142;

[0033] By applying the method of the present application, automatic material distribution and automatic deflection adjustment of the shaft branches can be achieved through a single drive. The structure is reasonable and compact, providing a basis for the longitudinal pressing of the shaft branches.

[0034] Preferably, the reciprocating unit 152 includes a rotating shaft 1520 rotatably arranged on the mounting plate 10 and parallel to the material distribution wheel 12, a driving wheel 121 is arranged at the end of the material distribution wheel 12, a driven wheel 1521 meshing with the driving wheel 121 is arranged at one end of the rotating shaft 1520, and a cam assembly is arranged at the other end of the rotating shaft 1520; the cam assembly includes a cam 1522 coaxial with the rotating shaft 1520 and a driving ring 1523 cooperating with the cam 1522, and the guide unit 15 1 comprises a matching guide post 1510 and a guide sleeve 1511, wherein a first strong magnet 150 is fixed to one end of the guide post 1510; a driving ring 1523 is fixed to the outer surface of the guide post 1510, and a evacuation groove 15110 for evading the driving ring 1523 and an elastic reset member for resetting the guide post are provided on the guide sleeve 1511; the elastic reset member is a spring 1512, one end of the spring 1512 is fixedly connected to the end of the guide post 1510, and the other end is fixedly connected to the inner wall of the guide sleeve 1511;

[0035] When the material distribution wheel 12 rotates, the driven wheel 1521 is driven to rotate through the driving wheel 121, and then the rotating shaft 1520 is driven to rotate, and then the cam 1522 is driven to rotate. Under the tensioning action of the spring 1512, the guide column 1510 is driven to reciprocate in the guide sleeve 1510 through cooperation with the driving ring 1523, and then the first strong magnet is driven to reciprocate. The structure is reasonable and compact, and the space utilization rate is high. The frequency of the reciprocating motion of the first strong magnet can be easily controlled by the tooth ratio of the driving wheel 121 and the driven wheel 1521.

[0036] Preferably, the driving unit 13 includes a driving motor 130, a motor mounting base 131 and a synchronous pulley 132, and the driving motor 130 drives the material dividing wheel 12 to rotate via the synchronous pulley 132; the structure is simple and the reliability is good; of course, it is understandable that other existing driving methods can also be used to drive the material dividing wheel 12 to rotate, and there is no limitation on this.

[0037] A rotor shaft press machine, such as Figure 3 See also Figure 4-Figure 6 , including the above-mentioned rotor shaft branch automatic feeding device 1, and also including a rotor feeding component 2, a first manipulator 3, a material transfer component 4, a press machine 5, a second manipulator 6, a shaft branch receiving component 7, a third manipulator 8 and a product conveyor belt 9; the first manipulator 3, the second manipulator 6 and the third manipulator 8 are respectively located on the left side, the right side and the front side of the press station of the press machine 5 (the left and right positions of the first manipulator 3 and the second manipulator 6 are interchangeable);

[0038] The rotor loading assembly 2 is used for loading the rotor; the first manipulator 3 is used for transferring the loaded rotor to the material transfer assembly 4; the shaft branch receiving assembly 7 is used for receiving the shaft branches dropped from the rotor shaft branch automatic feeding device 1; the second manipulator 6 is used for taking the shaft branches from the shaft branch receiving assembly 7 and moving the shaft branches to the material transfer assembly 4; the material transfer assembly 4 is used for receiving the rotor and the shaft branches and transferring the rotor and the shaft branches to the pressing station of the pressing machine 5 for pressing with the pressing machine 5; the third manipulator 8 is used for taking the rotor with the shaft branches pressed from the material transfer assembly 4 and placing it on the product conveyor belt 9.

[0039] Preferably, the rotor loading assembly 2 includes a first stacking rack 20, a second stacking rack 21 and a pallet transverse movement unit 22, and the first stacking rack 20 and the second stacking rack 21 are both arranged across the pallet transverse movement unit 22; both sides of the first stacking rack 20 and the second stacking rack 21 are provided with a pallet lifting plate 23, a lifting cylinder 24 for driving the pallet lifting plate 23 to rise and fall, and a transverse movement cylinder 25 for driving the pallet lifting plate 23 and the lifting cylinder 24 to move transversely; the first stacking rack 20 and the second stacking rack 21 each include four rectangularly distributed bases 200, and the base 200 is provided with a longitudinal guide rod 201, and the cross-section of the guide rod 201 is L-shaped; the four guide rods 201 enclose a pallet stacking area; the four bases 200 are grouped in pairs and are separated Arranged on both sides of the pallet transverse movement unit 22, the two bases 200 on the same side are connected by a bottom plate 202; two track seats 203 are arranged on the bottom plate 202, and the track seats 203 are provided with transverse tracks 204, and also include a sliding plate 205 slidably connected to the two tracks 204, and the sliding plate 205 is provided with a lifting cylinder 24 and a guide rod guide sleeve 206 for guiding the pallet lifting plate; a transverse movement cylinder 25 is arranged on any track seat 203, and the movable end of the transverse movement cylinder 25 is connected to the sliding plate 205 through a connecting plate 207; the structure is reasonable and compact, and the integrity is good. Through the above structure, it can be ensured that the pallet lifting plate 23 can move laterally to extend into the bottom of the pallet, and can be lifted longitudinally to lift the whole stack of pallets, which is convenient to carry out.

[0040] Preferably, the press 5 includes a press 50, and the movable end of the material transfer component 4 is provided with a jig plate 40, and the jig plate 40 is provided with a rotor jig 400 and a shaft jig; the movable end of the press 50 is provided with a pressing head 51, and the lower end of the pressing head 51 is provided with a receiving hole for partially accommodating the shaft, and a second strong magnet for adsorbing the shaft is provided in the receiving hole; during operation, the material transfer component 4 first transfers the shaft to the bottom of the press 5, and the pressing head 51 of the press 5 moves downward to absorb the shaft and then upward, and the material transfer component 4 moves the rotor to the bottom of the press 5, and the pressing head 51 of the press 5 moves downward to press the shaft into the rotor; the automated pressing operation is simple and the pressing efficiency is high.

[0041] A rotor shaft branch method, using the rotor shaft branch press as described above, such as Figure 7 As shown, the method comprises the steps of:

[0042] S01: The rotor loading assembly loads the rotor, and the first manipulator transfers the loaded rotor to the transfer assembly;

[0043] S02: The driving unit drives the material distribution wheel to rotate, and the material distribution wheel drives the reciprocating unit to move; the rotation of the material distribution wheel will drive the shaft branch that falls into the receiving slot at the bottom of the material bin to rotate and fall to the material drop slot to achieve material distribution; the reciprocating unit moves, and when the shaft branch enters the material drop slot, the first strong magnet is located at the upper end close to the vertical surface, and attracts the end of the shaft branch close to the vertical surface, so that the shaft branch deflects and switches from the horizontal state to the vertical state, and then the first strong magnet moves in the direction away from the vertical surface, contacting the attraction of the shaft branch, and the shaft branch is discharged vertically from the discharge slot;

[0044] S03: The shaft branch receiving assembly is used to receive the shaft branches dropped from the rotor shaft branch automatic feeding device, and the second manipulator is used to take the shaft branches from the shaft branch receiving assembly and move the shaft branches to the material transfer assembly;

[0045] S04: The material transfer assembly transfers the shaft branch to the bottom of the press, the pressing head of the press moves downward to absorb the shaft branch and then moves upward, the material transfer assembly transfers the rotor to the bottom of the press, and the pressing head of the press moves downward to press the shaft branch into the rotor;

[0046] S05: The third robot is used to take the rotor with the shaft branches pressed in from the material transfer assembly and place it on the product conveyor belt;

[0047] By applying the method of the present application, automatic material distribution and automatic deflection adjustment of the shaft branch can be achieved through a single drive, and a fully automatic and continuous longitudinal pressing process of the shaft branch and the rotor can be achieved, which can ensure accuracy while ensuring high assembly efficiency.

[0048] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the appended claims of the present invention.

Claims

1. A rotor shaft branch automatic feeding device, characterized in that: It comprises a mounting plate, the upper surface of which is provided with a material bin, the upper part of which is provided with a material trough for horizontally placing the axle branches, and the bottom of which is provided with a discharge port; the material bin is provided with a material dividing wheel and a material dividing trough matching the material dividing wheel at the discharge port; the peripheral surface of the material dividing wheel is provided with a plurality of accommodating grooves for accommodating the axle branches; the mounting plate is provided with a driving unit for driving the material dividing wheel to rotate, and a material dropping trough for the axle branches to fall opposite to the material dividing trough; the lower surface of the mounting plate is provided with a reversing groove, the inner wall on one side of the reversing groove is a vertical surface, and the inner wall on the other side is an inclined surface, and the upper ends of the vertical surface and the inclined surface are respectively Corresponding to the two ends of the blanking trough, a longitudinal discharge trough is arranged at the bottom of the reversing trough; a magnetic attraction and guidance unit is arranged on the lower surface of the mounting plate near the upper end of the vertical surface; the magnetic attraction and guidance unit comprises a first strong magnet in a bar shape, a guide unit for guiding the movement of the first strong magnet, and a reciprocating unit for driving the first strong magnet to perform reciprocating motion, and the reciprocating unit is provided with a driving force by the material dividing wheel; the two end points of the reciprocating motion of the first strong magnet are respectively located at the upper end close to the vertical surface and the upper end away from the vertical surface, and when the shaft branch enters the blanking trough, the first strong magnet is located at the upper end close to the vertical surface.

2. The rotor shaft branch automatic feeding device according to claim 1 is characterized in that: The reciprocating unit includes a rotating shaft rotatably arranged on the mounting plate and parallel to the material dividing wheel, a driving wheel is arranged at the end of the material dividing wheel, a driven wheel meshing with the driving wheel is arranged at one end of the rotating shaft, and a cam assembly is arranged at the other end of the rotating shaft.

3. The rotor shaft branch automatic feeding device according to claim 2 is characterized in that: The cam assembly includes a cam coaxial with the rotating shaft and a driving ring cooperating with the cam, the guide unit includes a matching guide column and a guide sleeve, the first strong magnet is fixed on one end of the guide column; the driving ring is fixed on the outer surface of the guide column, and the guide sleeve is provided with an avoidance groove for avoiding the driving ring and an elastic reset member for resetting the guide column.

4. The rotor shaft branch automatic feeding device according to claim 3 is characterized in that: The elastic return member is a spring, one end of which is fixedly connected to the end of the guide column, and the other end of which is fixedly connected to the inner wall of the guide sleeve.

5. The rotor shaft branch automatic feeding device according to claim 1 is characterized in that: The driving unit comprises a driving motor, a motor mounting seat and a synchronous belt pulley, and the driving motor drives the material dividing wheel to rotate via the synchronous belt pulley.

6. A rotor shaft press machine, characterized in that: The invention comprises a rotor shaft branch automatic feeding device as described in any one of claims 1 to 5, and further comprises a rotor feeding assembly, a first manipulator, a material transfer assembly, a press machine, a second manipulator, a shaft branch receiving assembly, a third manipulator and a product conveyor belt; the first manipulator, the second manipulator and the third manipulator are respectively located on the left side, the right side and the front side of the press machine's press station; The rotor loading assembly is used to load the rotor; the first manipulator is used to transfer the loaded rotor to the material transferring assembly; the shaft branch receiving assembly is used to receive the shaft branches dropped from the rotor shaft branch automatic feeding device; the second manipulator is used to take the shaft branches from the shaft branch receiving assembly and move the shaft branches to the material transferring assembly; the material transferring assembly is used to receive the rotor and the shaft branches and transfer the rotor and the shaft branches to the pressing station of the pressing machine for pressing with the pressing machine; the third manipulator is used to take the rotor with the shaft branches pressed from the material transferring assembly and place it on the product conveyor belt.

7. The rotor shaft press assembly machine according to claim 6, characterized in that: The rotor loading assembly includes a first stacking rack, a second stacking rack and a pallet transverse movement unit, wherein the first stacking rack and the second stacking rack are both arranged astride the pallet transverse movement unit; both sides of the first stacking rack and the second stacking rack are provided with a pallet lifting plate, a lifting cylinder for driving the pallet lifting plate to rise and fall, and a transverse movement cylinder for driving the pallet lifting plate and the lifting cylinder to move transversely.

8. The rotor shaft press assembly machine according to claim 7, characterized in that: The first stacking rack and the second stacking rack each include four rectangular bases, each base is provided with a longitudinal guide rod, and each guide rod has an L-shaped cross section; the four guide rods enclose a pallet stacking area; the four bases are grouped in pairs and distributed on both sides of the pallet transverse movement unit, and the two bases on the same side are connected by a bottom plate; two track seats are provided on the bottom plate, each track seat is provided with a transverse track, and also includes a sliding plate slidably connected to the two tracks, the sliding plate is provided with the lifting cylinder and the guide rod guide sleeve for guiding the pallet lifting plate; the transverse movement cylinder is provided on any of the track seats, and the movable end of the transverse movement cylinder is connected to the sliding plate via a connecting plate.

9. The rotor shaft press assembly machine according to claim 6, characterized in that: The press machine includes a press, a jig plate is provided at the movable end of the material transfer assembly, a rotor jig and an axis jig are provided on the jig plate; a pressing head is provided at the movable end of the press, a receiving hole for partially receiving the axis is provided at the lower end of the pressing head, and a second strong magnet for adsorbing the axis is provided in the receiving hole.

10. A rotor shaft branch method, using the rotor shaft branch press machine as described in any one of claims 6 to 9, characterized in that: The method comprises the steps of: The rotor loading assembly loads the rotor, and the first manipulator transfers the loaded rotor to the transfer assembly; The driving unit drives the material distribution wheel to rotate, and the material distribution wheel drives the reciprocating unit to move; the rotation of the material distribution wheel will drive the shaft branch that falls into the receiving slot at the bottom of the material bin to rotate and fall to the material drop slot to achieve material distribution; the reciprocating unit moves, and when the shaft branch enters the material drop slot, the first strong magnet is located at the upper end close to the vertical surface, and attracts the end of the shaft branch close to the vertical surface, so that the shaft branch deflects and switches from the horizontal state to the vertical state, and then the first strong magnet moves in the direction away from the vertical surface, contacts the attraction of the shaft branch, and the shaft branch is discharged vertically from the discharge slot; The shaft branch receiving assembly is used to receive the shaft branches dropped from the rotor shaft branch automatic feeding device, and the second manipulator is used to take the shaft branches from the shaft branch receiving assembly and move the shaft branches to the material moving assembly; The material transfer assembly transfers the shaft to the bottom of the press, the pressing head of the press moves downward to absorb the shaft and then moves upward, the material transfer assembly transfers the rotor to the bottom of the press, and the pressing head of the press moves downward to press the shaft into the rotor; The third robot is used to take the rotor with the shaft branch pressed on it from the material transfer assembly and place it on the product conveyor belt.

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