Stator hot sleeve press-fitting detection machine and application method thereof

Abstract

The present application relates to a stator hot sleeve press fitting detection machine and its application method, including a processing table, the processing table is provided with product loading belt, product unloading belt, hot sleeve press fitting station, product transfer belt, cooling station and height detection station; The first mechanical arm and the second mechanical arm are arranged on the processing table; The hot sleeve press fitting station is provided with a carrier plate, a horizontal movement unit for driving the carrier plate to move horizontally, a press fitting machine and a heating coil assembly for heating the inside of the machine shell; The first jig is arranged on the carrier plate, and the clamping and jacking unit for clamping and jacking the machine shell is arranged on the first jig; The first sensor unit and the second sensor unit are arranged on the hot sleeve press fitting station; The inside of the machine shell can be heated, the machine shell and the stator core can be press fitted, cooled and detected in height fully automatically, and the press fitting failure caused by the substandard temperature of the machine shell can be avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of motor processing, more particularly to a stator hot sleeve press fitting detection machine and an application method thereof. BACKGROUND

[0002] The stator is the stationary part of the motor or generator, which is usually composed of a stator core, a stator winding and a housing; during processing, the stator core needs to be pressed into a matching housing, and heating and press fitting is a commonly used processing method.

[0003] The existing heating and press fitting equipment usually uses a heating sleeve to heat the outside of the housing, and then directly presses the stator core into the heated housing. However, it has been found through actual verification that, due to the thickness of the housing and the different thicknesses of different housings, the outside heating method cannot ensure that the inner wall of the housing reaches the required temperature, and due to the time difference between heating and press fitting, the temperature of the inner wall of the housing will drop faster due to the influence of the ambient temperature. To solve this problem, a stator hot sleeve press fitting detection machine and an application method thereof are needed, which can realize internal heating. SUMMARY

[0004] The technical problem to be solved by the present application is to provide a stator hot sleeve press fitting detection machine and an application method thereof to overcome the above-mentioned defects of the prior art.

[0005] The technical solution adopted by the present application to solve the technical problem is:

[0006] A stator hot sleeve press fitting detection machine is constructed, which comprises a processing table, a product loading belt, a product unloading belt, a hot sleeve press fitting station, a product transfer belt, a cooling station and a height detection station are arranged on the processing table; a first mechanical hand for transferring the stator core and the housing on the product loading belt to the hot sleeve press fitting station and transferring the stator after hot sleeve press fitting to the product transfer belt, and a second mechanical hand for transferring the stator on the product transfer belt to the cooling station, transferring the stator on the cooling station to the height detection station and transferring the stator on the height detection station to the product unloading belt are arranged on the processing table; a carrier plate, a horizontal movement unit for driving the carrier plate to move horizontally, a press fitting machine and a heating coil assembly for heating the inside of the housing are arranged on the hot sleeve press fitting station; a first jig is arranged on the carrier plate, and a clamping and lifting unit for clamping and lifting the housing is arranged on the first jig; a first sensor unit for detecting whether the first jig moves directly below the heating coil of the heating coil assembly, and a second sensor unit for detecting whether the first jig moves directly below the press fitting machine are arranged on the hot sleeve press fitting station.

[0007] The stator hot sleeve press-fit detection machine, wherein two parallel track strips are arranged on the hot sleeve press-fit station, and the carrier plate is slidingly arranged on the two track strips; the transverse moving unit comprises a lead screw arranged in the middle of the two track strips and a lead screw motor driving the lead screw.

[0008] The stator hot sleeve press-fit detection machine, wherein the clamping and jacking unit comprises a left clamping arm and a right clamping arm, the first jig comprises a jig plate fixed on the carrier plate, and a positioning seat for positioning the shell is arranged on the jig plate; two through grooves are arranged on the jig plate for the left clamping arm and the right clamping arm to extend out, respectively, and two avoiding grooves are arranged on both sides of the positioning seat, and the two avoiding grooves correspond to the left clamping arm and the right clamping arm, respectively.

[0009] The stator hot sleeve press-fit detection machine, wherein the clamping and jacking unit further comprises a mounting plate and a jacking assembly; the left clamping arm and the right clamping arm are both slidingly connected to the mounting plate, and the left clamping arm and the right clamping arm are connected through elastic members; a sliding plate with a concave cross section is fixed to the lead screw nut of the lead screw, the sliding plate is transversely slidingly connected to the lower surface of the carrier plate, and a first reset spring for resetting the sliding plate is arranged on the carrier plate; the jacking assembly comprises a driving block fixed on the sliding plate, a driven block longitudinally slidingly connected to the carrier plate, and a second reset spring for resetting the driven block; a first inclined surface is arranged on the upper end of the driving block, and a second inclined surface is arranged on the lower end of the driven block; the mounting plate is sleeved on the driven block, the two sides of the driven block are both provided with clamping grooves, the upper side wall of the clamping groove is formed with a third inclined surface, and the end portions of the left clamping arm and the right clamping arm are both provided with fourth inclined surfaces matched with the third inclined surface.

[0010] The stator hot sleeve press-fit detection machine, wherein a limiting block for limiting the carrier plate is arranged on the hot sleeve press-fit station, and when the carrier plate is in contact with the limiting block, the first jig moves directly below the heating coil of the heating coil assembly.

[0011] The stator hot sleeve press-fit detection machine, wherein the first jig and the second jig are arranged side by side on the carrier plate along the moving direction of the carrier plate, and the first jig is close to the heating coil assembly; the first mechanical hand comprises a mechanical arm and a rotating arm arranged on the movable end of the mechanical arm, the middle part of the rotating arm is rotationally connected to the mechanical arm and is driven to rotate by the mechanical arm, and the two ends of the rotating arm are both provided with clamping jaws.

[0012] The stator hot sleeve press-fit detection machine, wherein a cooling cover is arranged on the cooling station, a plurality of fan units are arranged on the inner top surface of the cooling cover, a tray and a linear driving unit driving the tray are arranged in the cooling cover.

[0013] The stator hot sleeve press-fit detection machine, wherein the height detection station is provided with a height detection frame, and the height detection frame is provided with a detection probe assembly and a cylinder for driving the detection probe assembly to ascend and descend.

[0014] The stator hot sleeve press-fit detection machine, wherein the detection probe assembly comprises a detection plate fixedly connected with a movable end of the cylinder, and the detection plate is provided with a first transverse plate, a second transverse plate and a third transverse plate distributed from top to bottom; three height detection sensors are longitudinally arranged on the first transverse plate, three detection rods and three guide sleeves corresponding to the detection rods are arranged on the second transverse plate; an upper end of the detection rod is fixedly connected with a connecting block, and the first transverse plate or the second transverse plate is provided with a guide rod for longitudinally guiding the connecting block, and a detection end of the height detection sensor faces downward and abuts against the connecting block; the third transverse plate is provided with three through holes corresponding to the detection rods.

[0015] The application method of the stator hot sleeve press-fit detection machine, wherein the method comprises the following steps:

[0016] The stator core and the shell are fed to the taking position by the product feeding belt, and the shell is clamped by the first mechanical hand and moved to the first jig;

[0017] The cross-moving unit drives the carrier plate to move, so that the first jig moves directly below the heating coil of the heating coil assembly, the first sensor unit is triggered to send a signal to control the heating coil to heat, and a signal is sent to control the clamping and jacking unit to clamp the shell on the first jig and jack up, so that the heating coil enters the inside of the shell;

[0018] After the heating is set for a period of time, the clamping and jacking unit drives the shell to reset, the cross-moving unit drives the carrier plate to move, so that the first jig reaches directly below the press-fit machine, the stator core is clamped by the first mechanical hand and moved to be placed in the shell of the first jig, and the second sensor unit is triggered to send a signal to control the press-fit machine to press-fit after a delay;

[0019] The stator after the press-fit is moved by the first mechanical hand to the product conveying belt, conveyed to the second mechanical hand by the product conveying belt, and sequentially conveyed to the cooling station by the second mechanical hand to be cooled, to the height detection station to be detected in height, and to the product unloading belt to be unloaded.

[0020] The application has the beneficial effects that the stator core and the shell are fed to the taking position by the product feeding belt, the shell is clamped by the first mechanical hand and moved to the first jig, the cross-moving unit drives the carrier plate to move, so that the first jig moves directly below the heating coil of the heating coil assembly, the first sensor unit is triggered to send a signal to control the heating coil to heat, and at the same time, a signal is sent to control the clamping and jacking unit to clamp the shell on the first jig and jack up, so that the heating coil enters the shell; after heating for a set time, the clamping and jacking unit drives the shell to reset, the cross-moving unit drives the carrier plate to move, so that the first jig reaches directly below the press-fitting machine, the stator core is clamped by the first mechanical hand and moved and placed into the shell of the first jig, the second sensor unit is triggered to send a time-delay signal to control the press-fitting machine to press-fit; after the press-fitting is completed, the stator is moved by the first mechanical hand to the product moving belt, moved to the second mechanical hand by the product moving belt, moved to the cooling station in sequence by the second mechanical hand to cool, detected in height by the height detection station, and fed out by the product feeding belt; by using the method of the application, the internal heating of the shell, the press-fitting of the shell and the stator core, the cooling and the height detection steps can be automatically realized, the press-fitting failure caused by the substandard temperature of the shell can be avoided, the overall structure is reasonable and compact, the cost is low, and the processing efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the present application will be further described below with reference to the drawings and embodiments. The drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any inventive labor:

[0022] Figure 1 is a structure schematic diagram of the stator hot sleeve press-fitting detection machine of the preferred embodiment of the present application;

[0023] Figure 2 is Figure 1 is an enlarged schematic diagram of position A in FIG. 4;

[0024] Figure 3 is Figure 1 is an enlarged schematic diagram of position B in FIG. 4;

[0025] Figure 4 is a structure sectional view of the clamping and jacking unit of the stator hot sleeve press-fitting detection machine of the preferred embodiment of the present application;

[0026] Figure 5 is a structure schematic diagram of the height detection frame of the stator hot sleeve press-fitting detection machine of the preferred embodiment of the present application;

[0027] Figure 6 is a flow chart of the application method of the stator hot sleeve press-fitting detection machine of the preferred embodiment of the present application. DETAILED DESCRIPTION

[0028] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the following will make a clear and complete description of the technical solutions in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present application.

[0029] The stator hot sleeve press-fit detection machine of the preferred embodiment of the present application, as shown in Figure 1 , and referring to Figures 2-5 , comprises a machining table, the machining table is provided with a product feeding belt 1, a product discharging belt 2, a hot sleeve press-fit station, a product transfer belt 3, a cooling station and a height detection station; the machining table is provided with a first mechanical hand 4 for transferring the stator core and the shell on the product feeding belt 1 to the hot sleeve press-fit station and transferring the stator after hot sleeve press-fit to the product transfer belt 3, and a second mechanical hand 5 for transferring the stator on the product transfer belt 3 to the cooling station, transferring the stator on the cooling station to the height detection station and transferring the stator on the height detection station to the product discharging belt;

[0030] The hot sleeve press-fit station is provided with a carrier plate 60, a horizontal moving unit 61 for driving the carrier plate 60 to move horizontally, a press-fit machine 62 and a heating coil assembly 63 for heating the inside of the shell; the carrier plate 60 is provided with a first jig 64, and the first jig 64 is provided with a clamping and lifting unit for clamping and lifting the shell; the hot sleeve press-fit station is provided with a first sensor unit for detecting whether the first jig 64 moves to the position directly below the heating coil 630 of the heating coil assembly 63, and a second sensor unit for detecting whether the first jig 64 moves to the position directly below the press-fit machine 62;

[0031] The stator core and the shell are fed to the picking position by the product feeding belt 1, and the shell is clamped and moved to the first jig 64 by the first mechanical hand 4; the carrier plate 60 is driven by the horizontal moving unit 61 to move, so that the first jig 64 moves to the position directly below the heating coil 630 of the heating coil assembly 63, the first sensor unit is triggered to send a signal to control the heating coil 630 to heat, and at the same time, the signal is sent to control the clamping and lifting unit to clamp the shell on the first jig and lift, so that the heating coil 630 enters the inside of the shell;

[0032] After the heating setting time, the clamping jacking unit drives the shell to reset, the cross-moving unit 61 drives the carrier plate 60 to move, so that the first jig 64 reaches directly below the press-fitting machine 62, the first manipulator 4 clamps the stator core and moves to place into the shell of the first jig 64, the second sensor unit is triggered to send a signal to control the press-fitting machine 62 to press-fit; the stator after press-fitting is moved to the product conveying belt 3 by the first manipulator 4, moved to the second manipulator 5 by the product conveying belt 3, moved to the cooling station in sequence by the second manipulator 5 to cool, height detection station to detect height and product unloading belt 2 to unload;

[0033] The application can automatically realize the internal heating of the shell, the press-fitting of the shell and the stator core, cooling and height detection, can better avoid the press-fitting failure caused by the substandard temperature of the shell, has reasonable and compact overall structure, low cost and high processing efficiency.

[0034] Preferably, two parallel track strips are arranged on the hot sleeve press-fitting station, and the carrier plate 60 is slidingly arranged on the two track strips; the cross-moving unit 61 comprises a lead screw 610 located in the middle of the two track strips and a lead screw motor driving the lead screw; the clamping jacking unit comprises a left clamping arm 650 and a right clamping arm 651, the first jig 64 comprises a jig plate 640 fixed on the carrier plate 60, and a positioning seat 641 for positioning the shell is arranged on the jig plate 640; two through grooves 642 are arranged on the jig plate 640 for the left clamping arm 650 and the right clamping arm 651 to extend out, and two avoiding grooves 643 are arranged on the two sides of the positioning seat 641, and the two avoiding grooves 643 correspond to the left clamping arm 650 and the right clamping arm 651 respectively; the clamping jacking unit 65 further comprises a mounting plate 652 and a jacking assembly; the left clamping arm 650 and the right clamping arm 651 are both slidingly connected to the mounting plate 652, and the left clamping arm 650 and the right clamping arm 651 are connected through elastic members (to keep the two clamping arms in tension in the open state of the clamp); a sliding plate 612 with a concave cross section is fixed to the lead screw nut of the lead screw 610, the sliding plate 612 is transversely slidingly connected to the lower surface of the carrier plate 60, and a first reset spring 600 is arranged on the carrier plate 60 to reset the sliding plate 612; the jacking assembly comprises a driving block 653 fixed on the sliding plate 612, a driven block 654 longitudinally slidingly connected to the carrier plate 60, and a second reset spring 655 for resetting the driven block 654; a first inclined surface 6530 is arranged on the upper end of the driving block 653, and a second inclined surface 6540 is arranged on the lower end of the driven block 654; the mounting plate 652 is sleeved on the driven block 654, the two sides of the driven block 654 are both provided with a clamping groove 656, the upper side wall of the clamping groove 656 is formed with a third inclined surface 6560, and the end portions of the left clamping arm 650 and the right clamping arm 651 are both provided with a fourth inclined surface 6500 matched with the third inclined surface 6560;

[0035] In the initial state, the screw rod 610 moves the carrier plate 60 through the sliding plate 612 under the elastic force of the first reset spring; at this time, the driven block 654 is at the lowermost position of its stroke, and the two third inclined surfaces 6560 on the driven block 654 act on the fourth inclined surfaces 6500 of the ends of the left and right clamping arms 650 and 651, so that the left and right clamping arms 650 and 651 are in an open state;

[0036] When the movement of the carrier plate 60 is blocked or reaches the maximum position, the screw rod 610 moves the sliding plate 612 relative to the carrier plate 60, the driving block 653 moves, and the driven block 654 is driven to move upward through the cooperation of the first inclined surface 6530 and the second inclined surface 6540. The left and right clamping arms 650 and 651 move downward relative to the driven block 654 to perform clamping action. When the left and right clamping arms 650 and 651 move downward to the clamping groove 656, the clamping action is completed, and the left and right clamping arms 650 and 651 cannot continue to move downward due to the stop of the clamping groove 656. The driving block 653 continues to move upward, driving the left and right clamping arms 650 and 651 to move upward, completing the lifting action. Conversely, the clamping of the machine base is released. The overall structure is reasonable and compact, and only a single driving source is needed to realize a series of actions such as material moving, clamping and lifting, which is low in cost and high in operating efficiency.

[0037] Preferably, a limiting block is arranged on the hot sleeve press-fitting station to limit the carrier plate 60. When the carrier plate 60 contacts the limiting block, the first jig is moved directly below the heating coil of the heating coil assembly. In this way, the position of the carrier plate 60 can be well adjusted to facilitate equipment debugging operation.

[0038] Preferably, the first jig 64 and the second jig 66 are arranged side by side on the carrier plate 60 along the moving direction of the carrier plate 60, and the first jig 64 is close to the heating coil assembly. The first mechanical hand 4 includes a mechanical arm and a rotating arm arranged on the movable end of the mechanical arm. The middle part of the rotating arm is rotationally connected with the mechanical arm and is driven to rotate by the mechanical arm. The two ends of the rotating arm are provided with clamping jaws. With this two-station design, the second jig 66 can temporarily store the machine shell, and the two clamping jaws can simultaneously perform two operations to further improve the efficiency.

[0039] Preferably, a cooling cover 70 is arranged on the cooling station, the inner top surface of the cooling cover 70 is provided with a plurality of fan units 71, and the cooling cover is provided with a tray 72 and a linear drive unit 73 driving the tray; it is convenient to automatically pick up the stator and move it into the cooling cover 70 for batch cooling operation, which is efficient and has good integrity.

[0040] Preferably, a height detection frame 80 is arranged on the height detection station, and the height detection frame 80 is provided with a detection probe assembly and a cylinder 81 driving the detection probe assembly to ascend and descend.

[0041] Preferably, the detection probe assembly comprises a detection plate 82 fixedly connected with the movable end of the cylinder, the detection plate 82 is provided with a first horizontal plate 83, a second horizontal plate 84 and a third horizontal plate 85 distributed from top to bottom; three height detection sensors 86 are longitudinally arranged on the first horizontal plate 83, three detection rods 87 and three guide sleeves 88 corresponding to the detection rods are arranged on the second horizontal plate 84; the upper end of the detection rod 87 is fixedly connected with a connecting block 89, the first horizontal plate or the second horizontal plate 84 is provided with a guide rod 840 longitudinally guiding the connecting block 89, and the detection end of the height detection sensor faces downward and abuts against the connecting block 89; the third horizontal plate 85 is provided with three through holes 850 corresponding to the detection rods 87; during detection, the three detection rods are abutted against three positions on the stator core, the connecting block 89 is used as an intermediate transition adapter to adjust the position of the detection point, so that there is enough space to install the height detection sensor 86, and debugging is facilitated.

[0042] A method for applying the stator hot sleeve press-fit detection machine, as described above, as shown in Figure 6 The method comprises the following steps:

[0043] S01: The stator core and the shell are fed to the taking position by the product feeding belt, and the shell is clamped by the first mechanical hand and moved to the first jig;

[0044] S02: The cross-moving unit drives the carrier plate to move, so that the first jig moves directly below the heating coil of the heating coil assembly, the first sensor unit is triggered to send a signal to control the heating coil to heat, and at the same time, a signal is sent to control the clamping and jacking unit to clamp the shell on the first jig and jack up, so that the heating coil enters the inside of the shell;

[0045] S03: After heating for a set time, the clamping and jacking unit drives the shell to reset, the cross-moving unit drives the carrier plate to move, so that the first jig reaches directly below the press-fit machine, the stator core is clamped by the first mechanical hand and moved to be placed in the shell of the first jig, and the second sensor unit is triggered to send a signal to control the press-fit machine to press-fit;

[0046] S04: The stator after press-fit is moved by the first mechanical hand to the product conveying belt, conveyed by the product conveying belt to the second mechanical hand, and sequentially conveyed to the cooling station by the second mechanical hand to cool, to the height detection station to detect the height, and to the product unloading belt to unload;

[0047] By using the method of the present application, the internal heating of the shell, the press-fit of the shell and the stator core, the cooling and the height detection steps can be automatically realized, the press-fit failure caused by the substandard temperature of the shell can be avoided, the overall structure is reasonable and compact, the cost is low, and the processing efficiency is high.

[0048] It is to be understood that all such modifications and variations that can occur to those skilled in the art in the light of the foregoing description are to be considered within the scope of the application as defined in the claims appended hereto.

Claims

1. A stator press-fit detection machine characterized by, The machining table is provided with a product feeding belt, a product discharging belt, a hot sleeve press-fitting station, a product conveying belt, a cooling station and a height detection station; the machining table is provided with a first mechanical hand for conveying the stator core and the shell on the product feeding belt to the hot sleeve press-fitting station and conveying the stator after the hot sleeve press-fitting to the product conveying belt, and a second mechanical hand for conveying the stator on the product conveying belt to the cooling station, conveying the stator on the cooling station to the height detection station and conveying the stator on the height detection station to the product discharging belt; the hot sleeve press-fitting station is provided with a carrier plate, a horizontal moving unit for moving the carrier plate horizontally, a press-fitting machine and a heating coil assembly for heating the inside of the shell; the carrier plate is provided with a first jig, and the first jig is provided with a clamping and lifting unit for clamping and lifting the shell; the hot sleeve press-fitting station is provided with a first sensor unit for detecting whether the first jig moves directly below the heating coil of the heating coil assembly and a second sensor unit for detecting whether the first jig moves directly below the press-fitting machine; the hot sleeve press-fitting station is provided with two parallel track strips, and the carrier plate is slidingly arranged on the two track strips; the horizontal moving unit comprises a lead screw located in the middle of the two track strips and a lead screw motor for driving the lead screw; the clamping and lifting unit comprises a left clamping arm and a right clamping arm, the first jig comprises a jig plate fixed on the carrier plate, and the jig plate is provided with a positioning seat for positioning the shell; the jig plate is provided with two through grooves for the left clamping arm and the right clamping arm to extend out, respectively, and both sides of the positioning seat are provided with avoiding grooves corresponding to the left clamping arm and the right clamping arm, respectively; the clamping and lifting unit further comprises a mounting plate and a lifting assembly; the left clamping arm and the right clamping arm are slidingly connected to the mounting plate, and the left clamping arm and the right clamping arm are connected through elastic members; the lead screw nut of the lead screw is fixed with a sliding plate with a concave cross section, the sliding plate is transversely slidingly connected to the lower surface of the carrier plate, and the carrier plate is provided with a first reset spring for resetting the sliding plate; the lifting assembly comprises a driving block fixed on the sliding plate, a driven block longitudinally slidingly connected to the carrier plate and a second reset spring for resetting the driven block; the upper end of the driving block is provided with a first inclined surface, and the lower end of the driven block is provided with a second inclined surface; the mounting plate is sleeved on the driven block, both sides of the driven block are provided with clamping grooves, the upper side wall of the clamping groove is formed with a third inclined surface, and the end portions of the left clamping arm and the right clamping arm are provided with fourth inclined surfaces matched with the third inclined surface.

2. The stator press-fit detection machine of claim 1, wherein, The hot sleeve press-fitting station is provided with a limiting block for limiting the carrier plate, and when the carrier plate contacts the limiting block, the first jig moves directly below the heating coil of the heating coil assembly.

3. The stator press-fit detection machine of claim 1, wherein, The first jig and the second jig are arranged side by side on the carrier plate along the moving direction of the carrier plate, and the first jig is close to the heating coil assembly; the first mechanical arm comprises a mechanical arm and a rotating arm arranged at the movable end of the mechanical arm, the middle part of the rotating arm is rotationally connected with the mechanical arm and is driven to rotate by the mechanical arm, and the two ends of the rotating arm are provided with clamping jaws.

4. The stator press-fit detection machine of claim 1, wherein, The cooling station is provided with a cooling cover, the inner top surface of the cooling cover is provided with a plurality of fan units, and the cooling cover is provided with a tray and a linear driving unit driving the tray.

5. The stator press-fit inspection machine of claim 1, wherein, The height detection station is provided with a height detection frame, and the height detection frame is provided with a detection probe assembly and a cylinder driving the detection probe assembly to ascend and descend.

6. The stator press-fit detection machine of claim 5, wherein, The detection probe assembly comprises a detection plate fixedly connected with the movable end of the cylinder, and the detection plate is provided with a first transverse plate, a second transverse plate and a third transverse plate distributed from top to bottom; three height detection sensors are longitudinally arranged on the first transverse plate, three detection rods and three guide sleeves corresponding to the detection rods are arranged on the second transverse plate; the upper end of the detection rod is fixedly connected with a connecting block, the first transverse plate or the second transverse plate is provided with a guide rod longitudinally guiding the connecting block, and the detection end of the height detection sensor faces downward and abuts against the connecting block; the third transverse plate is provided with three through holes corresponding to the detection rods.

7. A method for applying a stator press-fit detection machine as claimed in any one of claims 1 to 6, characterized in that, The method comprises the following steps: The stator core and the shell are fed to the taking position by a product feeding belt, the shell is clamped by the first mechanical arm and moved to the first jig; The carrier plate is moved by the transverse moving unit, so that the first jig moves directly below the heating coil of the heating coil assembly, the first sensor unit is triggered to send a signal to control the heating coil to heat, and a signal is sent to control the clamping and jacking unit to clamp the shell on the first jig and jack up, so that the heating coil enters the inside of the shell; After heating for a set time, the clamping and jacking unit resets the shell, the carrier plate is moved by the transverse moving unit, so that the first jig reaches directly below the press fitting machine, the stator core is clamped by the first mechanical arm and moved to be placed in the shell of the first jig, and the second sensor unit is triggered to send a signal to control the press fitting machine to press fit after a delay; The stator after press fitting is moved by the first mechanical arm to the product conveying belt, is conveyed by the product conveying belt to the second mechanical arm, is sequentially conveyed by the second mechanical arm to the cooling station for cooling, the height detection station for height detection, and the product unloading belt for unloading.

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