Inner and outer rotor assembling machine and assembling method

Abstract

The invention relates to an inner and outer rotor assembling machine and method. The inner and outer rotor assembling machine comprises a machining table, and a pressing machine, a feeding conveying belt, a material moving assembly, an inner and outer rotor feeding assembly, a visual recognition assembly and a discharging mechanical arm are arranged on the machining table; the material moving assembly comprises a press fitting jig and a transverse moving unit, the press fitting jig comprises a floating jig seat and a bottom plate, the bottom plate is connected with the movable end of the transverse moving unit, the bottom plate is provided with a floating unit connected with the floating jig seat in a floating mode, and the floating jig seat is provided with a positioning groove for positioning a motor shell. A positioning pin for positioning the inner and outer rotors is arranged at the bottom of the positioning groove, the lower end of the positioning pin penetrates through the lower end of the floating jig seat, and the lower end of the floating jig seat is connected with a floating cylinder for driving the positioning pin to lift; by means of the method, automatic feeding and one-time press fitting operation of the inner rotor, the outer rotor, the motor shell and the motor rotor can be automatically achieved, the machining efficiency can be greatly improved, meanwhile, the equipment cost is reduced, and the size is smaller.

Description

Technical Field

[0001] The present invention relates to the technical field of motor processing, and more specifically, to an inner and outer rotor assembly machine and an assembly method. Background Art

[0002] The machining process of the rotor oil pump involves the process of pressing the inner and outer rotors with the motor. The traditional method is usually to assemble the motor first: press the motor rotor into the casing with the stator core, and then press the inner and outer rotors of the oil pump with the motor casing. This requires the use of two sets of equipment, occupying workstations on two production lines, which is inefficient and difficult to ensure product consistency. An inner and outer rotor assembly machine and assembly method that can effectively improve efficiency and product quality are needed. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide an inner and outer rotor assembly machine and an inner and outer rotor assembly method for the above-mentioned defects of the prior art.

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

[0005] An inner and outer rotor assembly machine is constructed, comprising a processing table, wherein the processing table is provided with a press machine, a feeding conveyor belt for feeding a motor casing and a motor rotor, a material shifting assembly, an inner and outer rotor feeding assembly for feeding an inner and outer rotor of an oil pump, a visual recognition assembly, and a material unloading robot for unloading finished products after press-fitting by the press machine; the material shifting assembly comprises a press-fitting jig and a transverse movement unit for driving the press-fitting jig to move transversely, and the running trajectory of the press-fitting jig includes a press-fitting position located directly below the press-fitting machine and a material loading position away from the press-fitting position; the press-fitting jig comprises a floating jig seat and a bottom plate distributed up and down, the bottom plate is connected to the movable end of the transverse movement unit, and a floating jig seat connected to the floating jig seat is provided on the bottom plate A lifting unit of a lifting jig seat, wherein the lifting jig seat is provided with a positioning groove for positioning the motor casing, and the bottom of the positioning groove is provided with a positioning pin for positioning the inner and outer rotors, and the lower end of the positioning pin passes through the lower end of the lifting jig seat, and the lower end of the lifting jig seat is connected to a floating cylinder for driving the positioning pin to rise and fall; the processing table is also provided with a first loading robot for transferring the motor casing and the motor rotor on the feeding conveyor belt to the pressing jig located at the loading position, and a second loading robot for moving the inner and outer rotors supplied by the inner and outer rotor feeding assembly to the visual recognition assembly for visual recognition, adjusting the angles of the inner and outer rotors after visual recognition, and loading them to the pressing jig located at the loading position.

[0006] The inner and outer rotor assembly machine described in the present invention, wherein the floating fixture seat includes a floating plate, a through groove is provided on the floating plate, a positioning seat is detachably connected in the through groove, a support column for providing support for the inner and outer rotors is passed through the positioning seat, the positioning pin is passed through the support column, and the support column is fixedly connected to the base plate; a spring is provided outside the support column, one end of the spring is connected to the base plate, and the other end is connected to the positioning seat.

[0007] The inner and outer rotor assembly machine described in the present invention, wherein a plurality of guide sleeves are passed through the bottom plate, guide pillars are passed through the guide sleeves, and the plurality of guide pillars are fixedly connected to the buoyancy plate; a plurality of buffers with buffer heads facing downwards are arranged on the buoyancy plate.

[0008] In the inner and outer rotor assembly machine described in the present invention, the support column is passed through and fixed on the base plate, and a cylinder bracket for mounting the floating cylinder is provided on the base plate.

[0009] The inner and outer rotor assembly machine described in the present invention, wherein the floating plate is provided with a first infrared radiation component for detecting whether the inner and outer rotors are loaded in place, and a second infrared radiation component for detecting whether the motor casing is loaded in place, and when both the first infrared radiation component and the second infrared radiation component are triggered, a signal is sent to trigger the floating cylinder to drive the positioning pin to descend to a first height, and the positioning pin partially exits the inner hole of the inner and outer rotor.

[0010] The inner and outer rotor assembly machine described in the present invention, wherein the press machine includes a press head and a press frame, the press frame is longitudinally slidably connected with a pressing plate for pressing the motor housing, the movable end of the press head is provided with a positioning hole for positioning the shaft branch of the motor rotor, the movable end of the press head movably passes through the pressing plate, the movable end of the press head is fixedly sleeved with an annular plate, and the annular plate is connected to the pressing plate by an elastic member.

[0011] The inner and outer rotor assembly machine described in the present invention, wherein the floating plate is laterally slidably provided with a pneumatic clamp for preventing material jamming and a sliding cylinder for driving the pneumatic clamp to slide laterally; slots are provided on both sides of the positioning seat, and the two slots correspond to the two clamps of the pneumatic clamp respectively.

[0012] The inner and outer rotor assembly machine described in the present invention, wherein the unloading robot includes a clamping cylinder and a rotating motor that drives the clamping cylinder to rotate, the two jaws of the clamping cylinder are longitudinally arranged and a lifting cylinder is fixed on the jaws, and the movable end of the lifting cylinder is provided with a transverse support plate corresponding to the slot; after the pressing machine completes the pressing, the transverse movement unit drives the pressing fixture to move to the unloading position, and the two support plates are opposite to the two slots, and then the floating cylinder drives the positioning pin to rise to lift the pressed product, and the product stops when the lower end exceeds the height of the support plate, and the clamping cylinder drives the two support plates to clamp, and the two lifting cylinders drive the two support plates to rise, so that the product is separated from the positioning seat.

[0013] The inner and outer rotor assembly machine described in the present invention, wherein the processing table is provided with a flipping robot which clamps the product on the unloading robot and drives the product to flip 180 degrees.

[0014] An assembly method of an inner and outer rotor assembly machine, using the inner and outer rotor assembly machine as described above, wherein the method comprises the steps of:

[0015] The traverse unit drives the press-fitting jig to move to the loading position. The second loading robot moves the inner and outer rotors supplied by the inner and outer rotor loading assembly to the visual recognition assembly for visual recognition. The second loading robot adjusts the angles of the inner and outer rotors after visual recognition and loads them to the press-fitting jig. The positioning pins pass through the inner holes of the inner and outer rotors to position the inner and outer rotors.

[0016] The first loading robot loads the motor housing on the loading conveyor belt to the press-fitting fixture, and the motor housing is sleeved on the outside of the inner and outer rotors, and is assisted in positioning by the positioning groove; the floating cylinder drives the positioning pin to descend to a first height, and the positioning pin partially exits the inner holes of the inner and outer rotors; the first loading robot loads the motor rotor on the loading conveyor belt into the motor housing on the press-fitting fixture, and the lower end of the shaft branch of the motor rotor penetrates into the inner holes of the inner and outer rotors for positioning;

[0017] The transverse movement unit drives the pressing fixture to move to the pressing position directly below the pressing machine. The pressing machine applies pressure to the motor rotor for one-time pressing. During the pressing process, the floating cylinder drives the locating pin to cooperate with the movable end of the pressing machine to gradually descend to the second height until the locating pin completely withdraws from the inner holes of the inner and outer rotors. After pressing, the finished product is removed by the unloading robot.

[0018] The beneficial effects of the present invention are as follows: the lateral movement unit drives the press-fitting jig to move to the loading position, the second loading robot moves the inner and outer rotors supplied by the inner and outer rotor loading assembly to the visual recognition assembly for visual recognition, the second loading robot adjusts the angles of the inner and outer rotors after visual recognition and loads them to the press-fitting jig, and the locating pins pass through the inner holes of the inner and outer rotors to position the inner and outer rotors; the first loading robot loads the motor casing on the loading conveyor belt to the press-fitting jig, the motor casing is sleeved on the outside of the inner and outer rotors, and is assisted in positioning by the locating grooves; the floating cylinder drives the locating pin to descend to a first height, and the locating pin partially exits the inner holes of the inner and outer rotors; the first loading robot The sub-material is loaded into the motor casing on the pressing fixture, and the lower end of the shaft branch of the motor rotor is inserted into the inner hole of the inner and outer rotors for positioning; the transverse movement unit drives the pressing fixture to move to the pressing position directly below the pressing machine, and the pressing machine applies pressure to the motor rotor for one-time pressing. During the pressing process, the floating cylinder drives the positioning pin to cooperate with the active end of the pressing machine to gradually descend to a second height until the positioning pin completely withdraws from the inner hole of the inner and outer rotors. After pressing, the finished product is removed by the unloading robot; using the method of the present application, the automatic loading and one-time pressing operation of the inner and outer rotors, motor casing and motor rotor can be automatically realized, which can greatly improve the processing efficiency, while reducing the equipment cost and the volume will also be smaller. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] 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:

[0020] Figure 1 It is a structural schematic diagram of an inner and outer rotor assembly machine of a preferred embodiment of the present invention;

[0021] Figure 2 This is a structural schematic diagram of the inner and outer rotor assembly machine from another perspective of a preferred embodiment of the present invention;

[0022] Figure 3 yes Figure 2 The enlarged schematic diagram at A in the middle;

[0023] Figure 4 It is a schematic diagram of the structure of a press-fitting fixture for an inner and outer rotor assembly machine according to a preferred embodiment of the present invention;

[0024] Figure 5 It is a cross-sectional view of a press-fitting jig for an inner and outer rotor assembly machine according to a preferred embodiment of the present invention;

[0025] Figure 6 It is a cross-sectional view of the inner and outer rotor assembly machine press machine of the preferred embodiment of the present invention;

[0026] Figure 7 It is a flow chart of the assembly method of the inner and outer rotor assembly machine according to the preferred embodiment of the present invention. DETAILED DESCRIPTION

[0027] 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.

[0028] The inner and outer rotor assembly machine of the preferred embodiment of the present invention is as follows: Figure 1 See also Figure 2-Figure 6 , including a processing table, on which a press machine 1, a feeding conveyor belt 2 for feeding a motor housing and a motor rotor, a material shifting assembly 3, an inner and outer rotor feeding assembly 4 for feeding the inner and outer rotors of an oil pump, a visual recognition assembly 5, and a material unloading robot 6 for unloading finished products after press-fitting by the press machine are arranged; the material shifting assembly 3 includes a press-fitting fixture 30 and a transverse movement unit 31 for driving the press-fitting fixture to move transversely, and the running track of the press-fitting fixture 30 includes a press-fitting position directly below the press-fitting machine 1 and a material loading position away from the press-fitting position; the press-fitting fixture 30 includes a floating fixture seat and a bottom plate 310 distributed up and down, the bottom plate 310 is connected to the movable end of the transverse movement unit 31, and a floating connection floating fixture is arranged on the bottom plate 310 The floating unit 320 of the seat is provided with a positioning groove for positioning the motor housing on the floating fixture seat, and a positioning pin 301 for positioning the inner and outer rotors is provided at the bottom of the positioning groove, and the lower end of the positioning pin 301 passes through the lower end of the floating fixture seat, and the lower end of the floating fixture seat is connected to a floating cylinder 302 for driving the positioning pin 301 to rise and fall; the processing table is also provided with a first feeding robot 7 for transferring the motor housing and the motor rotor on the feeding conveyor belt to the pressing fixture located at the feeding position, and a second feeding robot 8 for moving the inner and outer rotors supplied by the inner and outer rotor feeding assembly to the visual recognition assembly for visual recognition, adjusting the angles of the inner and outer rotors after visual recognition, and feeding them to the pressing fixture located at the feeding position;

[0029] The lateral movement unit 31 drives the press-fitting jig 30 to move to the loading position. The second loading robot 8 moves the inner and outer rotors supplied by the inner and outer rotor loading assembly 4 (the existing loading components can be used, and no improvement is required, which does not affect the implementation of the present application) to the visual recognition assembly 5 for visual recognition. The second loading robot 8 adjusts the angles of the inner and outer rotors after visual recognition and loads them to the press-fitting jig 30. The positioning pins 301 pass through the inner holes of the inner and outer rotors to position the inner and outer rotors; the first loading robot 7 loads the motor housing on the loading conveyor belt to the press-fitting jig 30. The motor housing is sleeved on the outside of the inner and outer rotors and is assisted in positioning by the positioning groove; the floating cylinder 3 02 drives the positioning pin 301 to descend to the first height, and the positioning pin 301 partially exits the inner holes of the inner and outer rotors; the first loading robot 7 loads the motor rotor on the loading conveyor belt 2 into the motor housing on the pressing fixture 30, and the lower end of the shaft branch of the motor rotor penetrates into the inner holes of the inner and outer rotors for positioning; the transverse movement unit 31 drives the pressing fixture 30 to move to the pressing position directly below the pressing machine 1, and the pressing machine 1 applies pressure to the motor rotor for one-time pressing. During the pressing process, the floating cylinder 302 drives the positioning pin 301 to cooperate with the active end of the pressing machine 1 to gradually descend to the second height until the positioning pin completely exits the inner holes of the inner and outer rotors. After pressing, the finished product is removed by the unloading robot 6;

[0030] By applying the method of the present application, the inner and outer rotors, the motor casing and the motor rotor can be automatically loaded and pressed at one time, which can greatly improve the processing efficiency, reduce the equipment cost and make the volume smaller.

[0031] Preferably, the floating fixture seat includes a floating plate 303, a through groove is provided on the floating plate 303, a positioning seat 304 is detachably connected in the through groove, a support column 305 for providing support for the inner and outer rotors is passed through the positioning seat 304, a positioning pin 301 is passed through the support column 305, and the support column 305 is fixedly connected to the base plate 310; a spring 306 is provided on the outer sleeve of the support column 305, one end of the spring 306 is connected to the base plate 310, and the other end is connected to the positioning seat 304; with this design, when press-fitting, the support column 305 will provide supporting force to the inner and outer rotors to prevent them from moving downward, and the floating positioning seat 304 will be pressed downward by the holding force, thereby completing the press-fitting operation between the positioning seat 304 and the inner and outer rotors; the overall structure is simple and stable.

[0032] Preferably, a plurality of guide sleeves 311 are passed through the bottom plate 310, guide pillars 312 are passed through the guide sleeves 311, and the plurality of guide pillars 312 are fixedly connected to the buoyancy plate 303; a plurality of buffers 307 with buffer heads facing downward are provided on the buoyancy plate 303; the support pillars 305 are passed through and fixed on the bottom plate 310, and a cylinder bracket 313 for mounting the floating cylinder 302 is provided on the bottom plate 310; the overall structure is simple and has good stability.

[0033] Preferably, the lifting plate 303 is provided with a first infrared radiation component 308 for detecting whether the inner and outer rotors are loaded in place, and a second infrared radiation component 309 for detecting whether the motor casing is loaded in place. When both the first infrared radiation component 308 and the second infrared radiation component 309 are triggered, a signal is sent to trigger the floating cylinder 302 to drive the positioning pin to descend to a first height, and the positioning pin partially withdraws from the inner holes of the inner and outer rotors; while facilitating the detection of incoming materials, the positioning pin is automatically retreated and controlled intelligently, with good integrity to avoid material leakage.

[0034] Preferably, the press machine 1 includes a press head 10 and a press frame 11, on which a pressing plate 12 for pressing and holding the motor housing is longitudinally slidably connected, and a movable end of the press head 10 is provided with a positioning hole 100 for positioning the shaft branch of the motor rotor, and the movable end of the press head 10 moves through the pressing plate 12, and the movable end of the press head 10 is fixedly sleeved with an annular plate 101, and the annular plate 101 is connected to the pressing plate 12 by an elastic member 13; during press fitting, the movable end of the press head 10 will first move downward, and the shaft branch of the motor rotor enters the positioning hole 100 for positioning, and at the same time, the pressing plate 12 presses the motor housing to ensure stability, and then the movable end of the press head 10 moves downward to press the motor rotor into the motor housing, and then the pressing plate 12 is pushed downward by the annular plate 101, and the motor housing and the inner and outer rotors are pressed together while the motor rotor and the inner and outer rotors are pressed together; the integrity is good, the press fitting reliability is good, and the press fitting accuracy is high.

[0035] Preferably, a pneumatic clamp 3030 for preventing material jamming and a sliding cylinder 3031 for driving the pneumatic clamp to slide horizontally are provided on the lifting plate 303 for horizontal sliding; slots 3040 are provided on both sides of the positioning seat 304, and the two slots 3040 correspond to the two jaws of the pneumatic clamp 3030 respectively; the purpose of adopting this design is that after the pressing is completed, the sliding cylinder 3031 drives the pneumatic clamp 3030 to move horizontally to the position where the slot 3040 and the clamp are opposite, and then the pneumatic clamp 3030 runs to clamp the motor housing, and the movable end of the pressing head 10 is reset upward to prevent the pressing jam.

[0036] Preferably, the unloading robot 6 includes a clamping cylinder 60 and a rotating motor that drives the clamping cylinder to rotate. The two clamping jaws of the clamping cylinder 60 are arranged longitudinally and a lifting cylinder 62 is fixed on the clamping jaws. The movable end of the lifting cylinder 62 is provided with a horizontal support plate 63 corresponding to the slot 3040; after the press-fitting machine 1 completes the press-fitting, the transverse movement unit 31 drives the press-fitting fixture 30 to move to the unloading position, and the two support plates 63 are opposite to the two slots 3040, and then the floating cylinder 302 drives the positioning pin 301 to rise and lift the pressed product. When the lower end of the product exceeds the height of the support plate 63, it stops, and the clamping cylinder 60 drives the two support plates 63 to clamp, and the two A lifting cylinder drives the two pallets 63 to rise, so that the product is separated from the positioning seat; the purpose of using this special pallet 63 structure to cooperate with the floating cylinder 302 and the slot 3040 to perform the above-mentioned action is to prevent the inner and outer rotors from falling downward. This design is designed according to the actual problem of the inner and outer rotors falling off; further, a turning robot 9 is provided on the processing table, which clamps the product on the unloading robot 6 and drives the product to turn over 180 degrees. The product is turned over so that the end where the inner and outer rotors are located faces upward, which facilitates the visual inspection of the inner and outer rotors while avoiding the problem of the inner and outer rotors falling off during the transfer in the subsequent process.

[0037] An inner and outer rotor assembly machine assembly method, using the inner and outer rotor assembly machine as described above, such as Figure 7 As shown, the method comprises the steps of:

[0038] S01: The traverse unit drives the press-fitting jig to move to the loading position, and the second loading robot moves the inner and outer rotors supplied by the inner and outer rotor loading assembly to the visual recognition assembly for visual recognition. The second loading robot adjusts the angles of the inner and outer rotors after visual recognition and loads them to the press-fitting jig. The positioning pins pass through the inner holes of the inner and outer rotors to position the inner and outer rotors.

[0039] S02: The first loading robot loads the motor housing on the loading conveyor belt to the press-fitting fixture, and the motor housing is sleeved on the outside of the inner and outer rotors, and is assisted in positioning by the positioning groove; the floating cylinder drives the positioning pin to descend to a first height, and the positioning pin partially exits the inner holes of the inner and outer rotors; the first loading robot loads the motor rotor on the loading conveyor belt into the motor housing on the press-fitting fixture, and the lower end of the shaft branch of the motor rotor penetrates into the inner holes of the inner and outer rotors for positioning;

[0040] S03: The lateral movement unit drives the press-fitting fixture to move to the press-fitting position directly below the press-fitting machine. The press-fitting machine applies pressure to the motor rotor for one-time press-fitting. During the press-fitting process, the floating cylinder drives the positioning pin to cooperate with the movable end of the press-fitting machine to gradually descend to the second height until the positioning pin completely exits the inner holes of the inner and outer rotors. After press-fitting, the finished product is removed by the unloading robot.

[0041] By applying the method of the present application, the inner and outer rotors, the motor casing and the motor rotor can be automatically loaded and pressed at one time, which can greatly improve the processing efficiency, reduce the equipment cost and make the volume smaller.

[0042] 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. An inner and outer rotor assembly machine, comprising a processing table, characterized in that: The processing table is provided with a press machine, a feeding conveyor belt for feeding the motor casing and the motor rotor, a material shifting assembly, an inner and outer rotor feeding assembly for feeding the inner and outer rotors of the oil pump, a visual recognition assembly, and a material unloading robot for unloading the finished product after the press machine is pressed; the material shifting assembly includes a press machine and a transverse movement unit for driving the press machine to move transversely, and the running trajectory of the press machine includes a press machine position located directly below the press machine and a material loading position away from the press machine position; the press machine includes a floating jig seat and a bottom plate distributed up and down, the bottom plate is connected to the movable end of the transverse movement unit, and a floating unit floatingly connected to the floating jig seat is provided on the bottom plate. The floating jig seat is provided with a positioning groove for positioning the motor casing, and the bottom of the positioning groove is provided with a positioning pin for positioning the inner and outer rotors, the lower end of the positioning pin passes through the lower end of the floating jig seat, and the lower end of the floating jig seat is connected to a floating cylinder for driving the positioning pin to rise and fall; the processing table is also provided with a first loading robot for transferring the motor casing and the motor rotor on the loading conveyor belt to the pressing jig located at the loading position, and a second loading robot for moving the inner and outer rotors supplied by the inner and outer rotor loading assembly to the visual recognition assembly for visual recognition, adjusting the angles of the inner and outer rotors after visual recognition, and loading them to the pressing jig located at the loading position.

2. The inner and outer rotor assembly machine according to claim 1, characterized in that: The floating fixture seat includes a floating plate, a through groove is provided on the floating plate, a positioning seat is detachably connected in the through groove, a support column for providing support for the inner and outer rotors is passed through the positioning seat, the positioning pin is passed through the support column, and the support column is fixedly connected to the base plate; a spring is provided outside the support column, one end of the spring is connected to the base plate, and the other end is connected to the positioning seat.

3. The inner and outer rotor assembly machine according to claim 2, characterized in that: The bottom plate is provided with a plurality of guide sleeves, the guide sleeves are provided with guide posts, and the plurality of guide posts are fixedly connected to the buoyancy plate; the buoyancy plate is provided with a plurality of buffers with buffer heads facing downwards.

4. The inner and outer rotor assembly machine according to claim 2, characterized in that: The support column is passed through and fixed on the bottom plate, and a cylinder bracket for mounting the floating cylinder is arranged on the bottom plate.

5. The inner and outer rotor assembly machine according to any one of claims 2 to 4, characterized in that: The floating plate is provided with a first infrared radiation component for detecting whether the inner and outer rotors are loaded in place, and a second infrared radiation component for detecting whether the motor casing is loaded in place. When the first infrared radiation component and the second infrared radiation component are both triggered, a signal is sent to trigger the floating cylinder to drive the positioning pin to descend to a first height, and the positioning pin partially exits the inner hole of the inner and outer rotors.

6. The inner and outer rotor assembly machine according to any one of claims 2 to 4, characterized in that: The press machine includes a press head and a press frame, a press plate for pressing a motor housing is longitudinally slidably connected to the press frame, a positioning hole for positioning the shaft of the motor rotor is provided at the movable end of the press head, the movable end of the press head moves through the press plate, and an annular plate is fixedly sleeved at the movable end of the press head, and the annular plate is connected to the press plate by an elastic member.

7. The inner and outer rotor assembly machine according to any one of claims 2 to 4, characterized in that: The floating plate is provided with a pneumatic clamp for preventing material jamming and a sliding cylinder for driving the pneumatic clamp to slide horizontally. Slots are provided on both sides of the positioning seat, and the two slots correspond to the two clamps of the pneumatic clamp respectively.

8. The inner and outer rotor assembly machine according to claim 7, characterized in that: The unloading robot includes a clamping cylinder and a rotating motor that drives the clamping cylinder to rotate, the two jaws of the clamping cylinder are arranged longitudinally and a lifting cylinder is fixed on the jaws, and the movable end of the lifting cylinder is provided with a horizontal support plate corresponding to the slot; after the pressing machine completes the pressing, the transverse movement unit drives the pressing fixture to move to the unloading position, and the two support plates are opposite to the two slots, and then the floating cylinder drives the positioning pin to rise to lift the pressed product, and the product stops when the lower end exceeds the height of the support plate, and the clamping cylinder drives the two support plates to clamp, and the two lifting cylinders drive the two support plates to rise, so that the product is separated from the positioning seat.

9. The inner and outer rotor assembly machine according to claim 8, characterized in that: The processing table is provided with a turning robot which clamps the product on the unloading robot and drives the product to turn over 180 degrees.

10. An assembling method of an inner and outer rotor assembly machine, using the inner and outer rotor assembly machine as claimed in any one of claims 1 to 9, characterized in that: The method comprises the steps of: The traverse unit drives the press-fitting jig to move to the loading position. The second loading robot moves the inner and outer rotors supplied by the inner and outer rotor loading assembly to the visual recognition assembly for visual recognition. The second loading robot adjusts the angles of the inner and outer rotors after visual recognition and loads them to the press-fitting jig. The positioning pins pass through the inner holes of the inner and outer rotors to position the inner and outer rotors. The first loading robot loads the motor housing on the loading conveyor belt to the press-fitting fixture, and the motor housing is sleeved on the outside of the inner and outer rotors, and is assisted in positioning by the positioning groove; the floating cylinder drives the positioning pin to descend to a first height, and the positioning pin partially exits the inner holes of the inner and outer rotors; the first loading robot loads the motor rotor on the loading conveyor belt into the motor housing on the press-fitting fixture, and the lower end of the shaft branch of the motor rotor penetrates into the inner holes of the inner and outer rotors for positioning; The transverse movement unit drives the pressing fixture to move to the pressing position directly below the pressing machine. The pressing machine applies pressure to the motor rotor for one-time pressing. During the pressing process, the floating cylinder drives the locating pin to cooperate with the movable end of the pressing machine to gradually descend to the second height until the locating pin completely withdraws from the inner holes of the inner and outer rotors. After pressing, the finished product is removed by the unloading robot.

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