CN111900846B

CN111900846B - Automatic coating equipment for insulating powder of motor coil

Info

Publication number: CN111900846B
Application number: CN202010642361.1A
Authority: CN
Inventors: 邓良生; 卢明烽
Original assignee: Quanzhou Shenghui Motor Equipment Co ltd
Current assignee: Quanzhou Shenghui Motor Equipment Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2023-01-31
Anticipated expiration: 2040-07-06
Also published as: CN111900846A

Abstract

The utility model provides an automatic coating equipment of insulating powder of motor coil, includes first frame, first roof, second frame, second roof, the top surface of first frame, second frame is located respectively to first roof, second roof, the second frame is located the rear side of first frame, be equipped with left tray conveyer, right tray conveyer on the first roof, the top that all is equipped with each tray of a plurality of trays on this left tray conveyer, the right tray conveyer is equipped with the heating furnace of liftable, the front and rear end of first roof is equipped with first dish device, the second dish device that send that can remove about respectively, the second roof is equipped with the drawing disk device that can move before and after, the top of second roof is equipped with the flange device, and the top of this flange device is equipped with left baffle and right baffle that all can move left and right, the below of flange device is equipped with the tight dish that expands of liftable, the top of left baffle and right baffle can 360 pivoted spray guns, this spray gun and a powder bucket intercommunication.

Description

Automatic coating equipment for insulating powder of motor coil

Technical Field

The invention relates to coating equipment, in particular to automatic coating equipment for insulating powder of a motor coil.

Background

The motor coil mainly comprises an iron core and a winding coil, and the tail end of the winding coil needs to be insulated during production of the motor coil. At present, the patent that application publication number is CN106799341A discloses an insulating material loading oven of motor stator coil in, including the frame, be equipped with left and right crane in this frame, the top surface of this left and right crane is equipped with left and right removal seat respectively, and this left and right removal seat's top surface is equipped with two left montants, two right montants of interval arrangement respectively, and the top surface of this two left montants is connected with two left die-pins respectively, and the top surface of these two right montants is connected with two right die-pins respectively, the top surface of frame is equipped with left and right coil and places a section of thick bamboo group, and this left and right coil is placed a section of thick bamboo group and is placed a section of thick bamboo by a plurality of coils and constitute, is equipped with the heating member with the bottom contact of coil in this coil is placed a section of thick bamboo, the top surface that a section of thick bamboo was placed to the coil is equipped with the tray, two left and right die-pins are located left and right both sides and can hold up the tray of left and right coil placement section of thick bamboo group respectively and can hold up the tray, the front side that left coil was placed a section of thick bamboo group is equipped with the dish device that drives that moves and right and get, the container of getting of taking, the container that gets of taking, the back end of taking of frame is equipped with a device below is equipped with a lifting and taking.

The disc taking device comprises a rack, and is characterized in that an upper frame is arranged on the top surface of the rack, the disc taking device comprises a first carrier plate, two groups of first sliders are arranged on the front end surface of the first carrier plate at intervals up and down, two first slide rods are arranged on the upper frame at intervals up and down, the two groups of first sliders are respectively sleeved on the two first slide rods, a second slide rod is further arranged on the upper frame, a first rodless cylinder is sleeved on the second slide rod and connected with the first carrier plate through a connecting rod, a lifting cylinder is arranged on the rear end surface of the first carrier plate, two groups of second sliders are arranged on the rear end surface of the first carrier plate at intervals left and right and respectively sleeved on the two guide rods, the bottoms of the two guide rods are connected with a connecting block, the bottom surface of the connecting block is provided with two vertical rods arranged at intervals left and right, the bottoms of the two vertical rods are respectively connected with the two cross rods, and two groups of rings for the two cross rods to pass through are respectively arranged on the top surface of the carrier plate. Two springs which are arranged at a left interval and a right interval are arranged between the bottom surface of the first carrier plate and the top surface of the connecting block, and a vibrator is arranged in the middle of the connecting block.

When the disc taking device is used for taking a disc, the two cross rods penetrate through the corresponding circular rings, then the piston rod of the lifting air cylinder extends, the tray and the stator coil are made to descend until the tail end of the stator coil is in contact with the electronic insulation powder in the container, the vibrator vibrates at the moment, the stator coil vibrates to be in full contact with the electronic insulation powder, when the piston rod of the lifting air cylinder contracts to lift the tray and the stator coil, the vibrator vibrates again, and redundant electronic insulation powder at the tail end of the motor stator coil is shaken into the container. The following problems often exist when the disc taking device works: firstly, relevant fixing measures are not taken after the cross rod passes through the corresponding circular ring, and the risk of falling off exists in the lifting and left-right moving processes of the tray and the motor stator coil; secondly, when the vibrator vibrates, the tray and the motor stator coil vibrate along with the vibrator, and after the vibrator vibrates twice, the risk of the tray and the stator coil is further increased. Therefore, the risk that tray and motor stator coil drop appears easily when current motor stator coil insulation material loading oven is material loading.

Disclosure of Invention

The invention provides automatic coating equipment for motor coil insulation powder, and mainly aims to solve the problem that a tray and a motor stator coil are easy to fall off when an existing motor stator coil insulation loading oven is used for loading.

In order to solve the technical problems, the invention adopts the following technical scheme:

an automatic coating device for insulating powder of a motor coil comprises a first rack, a first top plate, a second rack and a second top plate, wherein the first top plate is arranged on the top surface of the first rack, the second rack is positioned on the rear side of the first rack, the second top plate is arranged on the top surface of the second rack and is abutted against the first top plate, the first top plate is provided with a left tray conveying device and a right tray conveying device, the left tray conveying device and the right tray conveying device are respectively provided with a plurality of trays, the middle part of each tray is provided with a step hole, four corners of each tray are respectively provided with an insertion hole, four sides of the top surface of each tray are respectively provided with a plurality of first rollers, a liftable heating furnace is arranged above each tray, the automatic disc feeding device is characterized in that a first disc feeding device which can be communicated with a left tray conveying device and a right tray conveying device and can move left and right is arranged at the front end of the first top plate, a second disc feeding device which can be communicated with the left tray conveying device and the right tray conveying device and can move left and right is arranged at the rear end of the first top plate, a disc pulling device which can move front and back is arranged on the second top plate, a disc connecting device is arranged above the second top plate, a left baffle and a right baffle which can move left and right are arranged above the disc connecting device symmetrically, the inner side surfaces of the left baffle and the right baffle are semi-arc surfaces, the left baffle and the right baffle are arranged in a liftable mode, a liftable expansion disc is arranged below the disc connecting device, a spray gun which can rotate 360 degrees is arranged above the left baffle and the right baffle, and the spray gun is communicated with a powder barrel.

The left tray conveying device and the right tray conveying device respectively comprise a first left side plate, a first right side plate, a left support rod and a right support rod, a plurality of second idler wheels which are arranged at intervals are arranged on the right side surface of the first left side plate and the left side surface of the first right side plate along the length direction and are used for supporting the tray, a plurality of first inserted rods are arranged on the top surface of the left support rod and the top surface of the right support rod, the plurality of first inserted rods are arranged upwards, a plurality of groups of moving devices which are arranged at intervals in the front and back are arranged on the first top plate, each group of moving devices comprises a connecting plate, a left connecting block and a right connecting block, the left connecting block and the right connecting block are respectively connected to the left end and the right end of the connecting plate, a plurality of groups of slide rails are arranged on the top surface of the first top plate, each group of slide rails corresponds to one group of moving devices, each group of slide rails comprises a left slide rail and a right slide rail, the bottom surface of the connecting plate is provided with a left slider and a right slider which are respectively matched with the left sliding rail and the right sliding rail, the connecting plate is positioned above a first top plate, the first top plate is provided with a plurality of groups of movable grooves, each group of movable grooves corresponds to a group of moving devices, each group of movable grooves comprises a left movable groove and a right movable groove, the bottom of the left connecting block and the bottom of the right connecting block respectively pass through the left movable groove and the right movable groove, the bottom of the left connecting block and the bottom of the right connecting block are respectively provided with a first left lifting cylinder and a first right lifting cylinder, the piston rod of the first left lifting cylinder penetrates through the top surface of the left connecting block and is connected with a left supporting block, the top surface of the left supporting block is provided with a left groove, the left groove is connected with the lower part of a left supporting rod, the piston rod of the first right lifting cylinder penetrates through the top surface of the right connecting block and is connected with a right supporting block, and the top surface of the right supporting block is provided with a right groove, the right groove is connected with the lower portion of the right supporting rod, the first top plate is further provided with a middle movable groove, the middle movable groove is located between the left movable groove and the right movable groove, the bottom surface of the first top plate is provided with a moving cylinder, a piston rod of the moving cylinder is connected with a connecting plate, and the top end of the connecting plate extends out of the top surface of the first top plate and is connected with the connecting plate.

The first disk feeding device and the second disk feeding device respectively comprise a second left side plate, a second right side plate and a bottom plate, the bottom plate is arranged between the bottom of the second left side plate and the bottom of the second right side plate, a front slide rail and a rear slide rail are arranged on the top face of the front end of the first top plate, a front slide block and a rear slide block which are matched with the corresponding front slide rail and the rear slide rail are arranged on the bottom of the bottom plate, a plurality of third idler wheels which are arranged at intervals are arranged on the right side face of the second left side plate and the left side face of the second right side plate along the length direction, a left pressing cylinder and a right pressing cylinder are arranged at one end of the second left side plate and one end of the second right side plate respectively, a piston rod of the left pressing cylinder faces upwards and is connected with a left pressing plate, a piston rod of the right pressing cylinder faces upwards and is connected with a right pressing plate, a second inserting rod which faces downwards is arranged at the right end of the left pressing plate and the left end of the right pressing plate, and a driving mechanism which is provided with a corresponding left and right movement of the corresponding disk feeding device is arranged on the bottom face of the front end of the first top plate and the bottom plate.

Actuating mechanism includes first step motor, first main belt pulley, first follow belt pulley and first belt, the bottom surface left end and the bottom surface right-hand member of first roof are located respectively to first step motor and first follow belt pulley, first main belt pulley is connected with the output shaft of first step motor, first belt is located between first main belt pulley and the first follow belt pulley, the front and rear end of first roof all are equipped with the spout, the bottom surface of bottom plate is equipped with connecting portion, and the spout is passed to the lower part of this connecting portion, and first belt passes connecting portion and is connected with connecting portion.

The first top plate is provided with a plurality of groups of heating furnace lifting devices, each group of heating furnace lifting devices comprises two left guide rods, two right guide rods, two left sliding sleeves, two right sliding sleeves, a top plate, a second left lifting cylinder and a second right lifting cylinder, the bottoms of the two left guide rods and the bottoms of the two right guide rods are connected with the top surface of the first top plate, the tops of the two left guide rods and the tops of the two right guide rods are connected with the top plate, the two left sliding sleeves are sleeved on the corresponding left guide rods, the two right sliding sleeves are sleeved on the corresponding right guide rods, the left side surfaces of the two left sliding sleeves are connected with a left lifting plate, the left side surface of the left lifting plate is provided with two left connecting rods which are arranged in a front-back mode, the right flank of two right sliding sleeves is connected with a right lifter plate, the right flank of right lifter plate is equipped with the right connecting rod of arranging around two, left side connecting rod and right connecting rod all are equipped with the heating furnace, the bottom surface of first roof is located to left lift cylinder of second and right lift cylinder, and the piston rod of this left lift cylinder of second and the piston rod of right lift cylinder of second pass the top surface of first roof, the piston rod of left lift cylinder of second is connected with left lifter plate through a left adaptor, the piston rod of right lift cylinder of second is connected with right lifter plate through a right adaptor.

The tray pulling device comprises two rodless cylinders, a sliding plate, two third lifting cylinders, a connecting plate and two connecting rods, the two rodless cylinders are arranged on the top surface of the second top plate in a left-right mode, the sliding plate is arranged between cylinder bodies of the two rodless cylinders, the two third lifting cylinders are arranged on the top surface of the sliding plate in a left-right mode, piston rods of the two third lifting cylinders face upwards and are connected with the connecting plate, the rear ends of the two connecting rods are connected with the connecting plate, third inserting rods are arranged on the bottom surfaces of the front ends of the two connecting rods, and the two connecting rods are arranged in an 'eight' -shaped mode.

The top surface of second roof is equipped with two left branch poles and two right branch poles, the lower part of two left branch poles all is equipped with left installation piece, the lower part of two right branch poles all is equipped with right installation piece, the flange device includes third left side board, third right side board, the left surface of third left side board is connected with the left installation piece on two left branch poles, the right flank of third right side board is connected with the right installation piece on two right branch poles, the right flank of third left side board, the left surface of third right side board all are equipped with several interval arrangement's fourth gyro wheel along length direction.

All the cover is equipped with the pole cover on two left branch poles and two right branch poles, the pole cover on two left branch poles and two right branch poles is connected with a backup pad, the top surface of second roof is equipped with two fourth cylinders on a left side, the right side, and the piston rod of this two fourth cylinders just is connected with the backup pad up, left side baffle and right baffle are located the top surface of backup pad, the top surface of backup pad is equipped with left telescopic cylinder, two left stoppers, right telescopic cylinder and two right stoppers, left side baffle is located between two left stoppers, left side telescopic cylinder's piston rod and the left surface of left baffle are connected, right baffle is located between two right stoppers, right side telescopic cylinder's piston rod and the right flank of right baffle are connected, the top surface of left side baffle and the top surface of right baffle all are equipped with the powder storage groove.

The bottom surface of the second top plate is fixedly provided with four first supporting rods, the bottoms of the four first supporting rods are connected with a first transition plate, the first transition plate is penetrated by four second supporting rods, the tops of the four second supporting rods are connected with a second transition plate, the bottoms of the four second supporting rods are connected with a third transition plate, the second transition plate and the third transition plate are respectively positioned above and below the first transition plate, the bottom surface of the second top plate is provided with a third lifting cylinder, a piston rod of the third lifting cylinder faces downwards and is connected with the third transition plate through a lower adapter, the top surface of the second transition plate is provided with four third supporting rods, the expansion disc comprises a tray, a plurality of fan-shaped plates and expansion sleeves, the bottom surface of each fan-shaped plate is provided with a guide rail, the top surface of the tray is provided with a plurality of guide rail grooves, and the guide rail is positioned in the corresponding guide rail groove, the fan-shaped plates form a conical disc, a conical hole is formed in the middle of the conical disc, two gasket grooves which are arranged up and down are formed in the peripheral face of each fan-shaped plate, two circular gasket grooves are formed in the peripheral face of each fan-shaped plate, an elastic rubber ring is arranged in each circular gasket groove, each expansion sleeve is a conical expansion sleeve matched with the conical hole, a middle shaft is arranged at the bottom of each expansion sleeve, the tops of the four third supporting rods penetrate through the second top plate to be connected with the bottom of the tray, the bottom of the middle shaft penetrates through the bottom face of the second top plate and the bottom face of the second transition plate to be connected with a fourth transition plate, the fourth transition plate is located between the first transition plate and the second transition plate, two fourth lifting cylinders are arranged on the bottom face of the second transition plate, and piston rods of the two fourth lifting cylinders face down and are connected with the top face of the fourth transition plate.

The top surface of second roof is equipped with left branch seat, right branch seat, is equipped with the mounting panel between the top surface of this left branch seat and the top surface of right branch seat, the top of two left branch poles and two right branch poles is connected with the bottom surface of mounting panel, the top surface of mounting panel is equipped with bearing and motor mount pad, be equipped with hollow axis of rotation in the bearing, the upper portion and the bearing cooperation of this axis of rotation, the below of mounting panel is stretched out to the lower part of this axis of rotation, the top surface of axis of rotation is equipped with rather than the second slave belt pulley that is connected, be equipped with second step motor on the motor mount pad, the output shaft of this second step motor is equipped with the main belt pulley of second, and this main belt pulley of second and second slave belt pulley are equipped with the second belt between the belt pulley, the second slave belt pulley is equipped with the logical groove that communicates with the inside of axis of rotation, the medial surface of axis of rotation is equipped with the slide rail groove, is equipped with the perpendicular slide rail with the cooperation in this axis of rotation, and the bottom that the bottom of this perpendicular slide rail is stretched out through a first side adapter, the lateral surface of axis of rotation is equipped with the fifth lift cylinder, the piston rod down and is connected with perpendicular slide rail through a perpendicular adapter.

As can be seen from the above description of the present invention, the present invention has the following advantages compared with the prior art: the motor coil is placed in the step hole of each tray, after the motor coil is preheated, the stator is conveyed to the second tray conveying device by the right tray conveying device, then the tray with the motor coil is pulled to the tray receiving device by the tray pulling device, then the top surface of the iron core of the motor coil is covered by the left baffle plate and the right baffle plate, the expansion disc rises to block the inner periphery of the iron core, the spray gun can spray insulating powder to the tail end of the winding coil of the motor coil, after the spraying of the insulating powder is completed, the left baffle plate, the right baffle plate and the expansion disc return to the original position, the tray is conveyed to the second tray conveying device by the tray pulling device, and the tray with the motor coil is conveyed to the left tray conveying device by the second tray conveying device to be heated and solidified. In the process of spraying the insulating powder, the tray is conveyed in a translation mode, lifting conveying and vibration are not needed in the process, and conveying is more stable and safer.

Drawings

FIG. 1 is a block diagram of the present invention.

Fig. 2 is a structural view of the present invention with the tray removed.

FIG. 3 is a schematic diagram showing the connection between the first top plate and the Zuo Tuopan transfer device, the right tray transfer device, the first tray feeding device and the second tray feeding device according to the present invention.

Fig. 4 is a view of fig. 3 from another angle.

Fig. 5 is a connection structure diagram of the left tray transfer device and the first disc feeder according to the present invention.

FIG. 6 is a schematic diagram of the left tray transfer device of the present invention, wherein the first left side plate and the first right side plate are not shown.

Fig. 7 is a structural view of the tray of the present invention.

Fig. 8 is a structural view of a first disc feeding device and a second disc feeding device according to the present invention.

FIG. 9 is a view showing a connection structure of a heating furnace and a heating furnace lifting device according to the present invention.

Fig. 10 is a view of fig. 7 from another angle.

Fig. 11 is a diagram of the connection structure of the second frame, the second top plate and the devices disposed on the second top plate according to the present invention.

Fig. 12 is a partial enlarged view of a portion a in fig. 11.

Fig. 13 is a partial enlarged view at B in fig. 11.

Fig. 14 is a connecting structure diagram of the second top plate and the expansion disc of the present invention.

Fig. 15 is a view of fig. 10 from another angle.

Fig. 16 is a structural view of fig. 10 with the second top plate removed.

FIG. 17 is a view showing the connection structure of the expansion disc and the expansion sleeve of the present invention.

FIG. 18 is a view showing the expansion disc of the present invention with a sector plate removed.

Detailed Description

Refer to fig. 1, 3, 7, 11 and 12. The utility model provides an automatic coating equipment of insulating powder of motor coil, includes first frame 1, first roof 2, second frame 3, second roof 4, the top surface of first frame 1 is located to first roof 2, second frame 3 is located the rear side of first frame 1, second roof 4 locates the top surface of second frame 3 and inconsistent with first roof 2. Be equipped with left tray conveyer 5, right tray conveyer 6 on the first roof 2, all be equipped with a plurality of trays 7 on this left tray conveyer 5, the right tray conveyer 6, the middle part of every tray 7 is equipped with step hole 71, and the four corners of every tray 7 all is equipped with jack 72, and the top surface four sides of every tray 7 all are equipped with a plurality of first gyro wheels 73, and the top of every tray 7 is equipped with the heating furnace 8 of liftable. The front end of the first top plate 2 is provided with a first tray conveying device 9 which can be communicated with the left tray conveying device 5 and the right tray conveying device 6 and can move left and right, and the rear end of the first top plate 2 is provided with a second tray conveying device 10 which can be communicated with the left tray conveying device 5 and the right tray conveying device 6 and can move left and right. The utility model discloses a powder barrel, including second roof 4, connecting disc device 12, left baffle 13 and right baffle 14, this left baffle 13 and right baffle 14, the right baffle 14 that can all move left and right are set up symmetrically and its medial surface is the semicircle face, left baffle 13 and right baffle 14 set up with liftable, the below of connecting disc device 12 is equipped with the tight dish 15 that expands of liftable, the top of left baffle 13 and right baffle 14 can 360 pivoted spray gun 16, and this spray gun 16 communicates with a powder bucket 17.

Refer to fig. 1 to 7. Left tray conveyer 5, right tray conveyer 6 all include first left side board 51, first right side board 52, left branch vaulting pole 53, right branch vaulting pole 54, the right flank of first left side board 51, the left surface of first right side board 52 all are equipped with the second gyro wheel 55 of several interval arrangements along length direction, and this second gyro wheel 55 is used for supporting tray 7, the first gyro wheel 73 on the left and right both sides of tray 7 is inconsistent with the right flank of first left side board 51, the left surface of first right side board 52 respectively, the top surface of left branch vaulting pole 53, the top surface of right branch vaulting pole 54 all are equipped with a plurality of first inserted bars 56, and these a plurality of first inserted bars 56 set up upwards. Be equipped with the mobile device 18 that the interval was arranged before the multiunit on first roof 2, back, every mobile device 18 of group includes connecting plate 181, left connecting block 182 and right connecting block 183, left connecting block 182, right connecting block 183 are connected respectively in the left end of connecting plate 181, the right-hand member. The top surface of first roof 2 is equipped with the multiunit slide rail, and every group slide rail corresponds a set of mobile device 18, and every group slide rail includes left slide rail 191, right slide rail 192, the bottom surface of connecting plate 181 is equipped with respectively with left slide rail 191, right slide rail 192 complex left slider 184, right slider 185, this connecting plate 181 is located the top of first roof 2. First roof 2 is equipped with the multiunit activity groove, and every group activity groove corresponds a set of mobile device, and every group activity groove includes left activity groove 20, right activity groove 21, left side activity groove 20, right activity groove 21 are passed respectively to the bottom of left side connecting block 182, the bottom of right connecting block 183, the bottom of left side connecting block 182, the bottom of right connecting block 183 are equipped with first left lift cylinder 22, first right lift cylinder 23 respectively. The piston rod of the first left lifting cylinder 22 penetrates through the top surface of the left connecting block 182 to be connected with a left supporting block 24, the top surface of the left supporting block 24 is provided with a left groove 25, the left groove 25 is connected with the lower part of the left supporting rod 53, the piston rod of the first right lifting cylinder 23 penetrates through the top surface of the right connecting block 183 to be connected with a right supporting block 26, the top surface of the right supporting block 26 is provided with a right groove 27, and the right groove 27 is connected with the lower part of the right supporting rod 54. The first top plate 2 is further provided with a middle movable groove 28, the middle movable groove 28 is located between the left movable groove 20 and the right movable groove 21, the bottom surface of the first top plate 2 is provided with a moving cylinder 29, a piston rod of the moving cylinder 29 is connected with a connecting plate 30, and the top end of the connecting plate 30 extends out of the top surface of the first top plate 2 and is connected with the connecting plate 181. In this embodiment, there are two sets of the moving cylinders 29, and there are two sets of the middle moving slots 28 correspondingly, where each set of the moving cylinders 29 is composed of two moving cylinders 29, and each set of the middle moving slots 28 is composed of two middle moving slots 28.

Refer to fig. 1 to 7. The moving cylinder 29 is used for driving the plurality of sets of moving devices 18 to move forward and backward, so as to drive the left support rod 53 and the right support rod 54 to move forward and backward, and finally drive the tray 7 to move forward and backward. In this embodiment, eight trays 7 are respectively arranged corresponding to the left tray conveying device 5 and the right tray conveying device 6, sixteen first insertion rods 56 are respectively arranged on the left support rod 53 and the right support rod 54, four insertion holes 72 of each tray 7 are inserted corresponding to the four insertion rods 56, the first left lifting cylinder 22 and the first right lifting cylinder 23 are respectively used for driving the left support rod 53 and the right support rod 54 to lift, after the left support rod 53 and the right support rod 54 lift, the first insertion rods 56 are inserted into the corresponding insertion holes 72, and at this time, the left support rod 53, the right support rod 54 and the tray 7 can be driven to move back and forth by moving the cylinder 29; when the left support rod 53 and the right support rod 54 descend, the first insertion rod 56 is separated from the corresponding insertion hole 72, and the moving cylinder 29 drives the left support rod 53 and the right support rod 54 to return. The tray 7 can be conveyed by repeating the above-mentioned operations, and the distance of each movement of the left support bar 53 and the right support bar 54 is the station distance of one tray 7.

Refer to fig. 1, 2, 3, 4, 5 and 8. The first disc feeding device 9 and the second disc feeding device 10 both include a second left side plate 91, a second right side plate 92, and a bottom plate 93, and the bottom plate 93 is disposed between the bottom of the second left side plate 91 and the bottom of the second right side plate 92. The front end top surface and the rear end top surface of the first top plate 2 are both provided with a front slide rail 31 and a rear slide rail 32, and the bottom of the bottom plate 93 is provided with a front slide block 94 and a rear slide block 95 which are respectively matched with the corresponding front slide rail 31 and the corresponding rear slide rail 32. The right side surface of the second left side plate 91 and the left side surface of the second right side plate 92 are provided with a plurality of third rollers 96 arranged at intervals along the length direction, the plurality of third rollers 96 and the plurality of second rollers 55 are on the same level, and the third rollers 96 are used for supporting the tray 7. One end of second left side board 91 and the one end of second right side board 92 are equipped with left side respectively and compress tightly cylinder 97 and right side and compress tightly cylinder 98, the piston rod that a left side compressed tightly cylinder 97 just is connected up with a left clamp plate 99, the piston rod that the right side compressed tightly cylinder 98 just is connected with a right clamp plate 90 up, the right-hand member of left side clamp plate 99 and the left end of right clamp plate 90 all are equipped with second inserted bar 991 down, the front end bottom surface and the rear end bottom surface of first roof 2 all are equipped with and have the actuating mechanism 33 that corresponds and send a set device left and right side to remove. The left pressing cylinder 97 and the right pressing cylinder 98 are used for driving the left pressing plate 99 and the right pressing plate 90 to ascend and descend respectively, when the left pressing plate 99 and the right pressing plate 90 descend, the second inserting rods 991 are inserted into the corresponding inserting holes 72, and the tray is prevented from shifting back and forth and falling off when being transferred left and right.

Refer to fig. 3, 4, 5 and 8. The driving mechanism 33 includes a first stepping motor 331, a first main pulley 332, a first auxiliary pulley 333, and a first belt 334, the first stepping motor 331 and the first auxiliary pulley 333 are respectively disposed at the left end and the right end of the bottom surface of the first top plate 2, the first main pulley 332 is connected to an output shaft of the first stepping motor 331, and the first belt 334 is disposed between the first main pulley 332 and the first auxiliary pulley 333. The front and rear ends of the first top plate 2 are provided with slide grooves 34, the bottom plate 93 is provided with a connecting portion 931 at the bottom surface thereof, the lower portion of the connecting portion 931 passes through the slide grooves 34, and the first belt 334 passes through the connecting portion 931 and is connected to the connecting portion 931.

Refer to fig. 1, 3, 4, 5 and 8. The third rollers 96 on the second left side plate 91 and the second right side plate 92 in the first tray feeder 9 are used for receiving the tray 7 conveyed by the left tray conveyor 5 and feeding the tray 7 to the front end of the right tray conveyor 5; and the third rollers 96 on the second left side plate 91 and the second right side plate 92 in the second disk feeding device 10 are used for receiving the tray 7 conveyed by the right tray conveying device 6 and feeding the tray 7 to the rear end of the left tray conveying device 5. The first stepping motor 331 can drive the corresponding disc feeding device to move left and right by forward and reverse rotation.

Reference is made to fig. 1, 2, 3, 4, 9 and 10. A plurality of groups of heating furnace lifting devices 35 are arranged on the first top plate 2, and each group of heating furnace lifting devices 35 comprises two left guide rods 351, two right guide rods 352, two left sliding sleeves 353, two right sliding sleeves 354, a top plate 355, a second left lifting cylinder 356 and a second right lifting cylinder 357. The bottom of the two left guide rods 351 and the bottom of the two right guide rods 352 are connected with the top surface of the first top plate 2, the top of the two left guide rods 351 and the top of the two right guide rods 352 are connected with the top plate 355, the two left sliding sleeves 353 are sleeved on the corresponding left guide rods 351, the two right sliding sleeves 354 are sleeved on the corresponding right guide rods 352, the left side surfaces of the two left sliding sleeves 353 are connected with a left lifting plate 36, the left side surface of the left lifting plate 36 is provided with two left connecting rods 37 which are arranged front and back, the right side surfaces of the two right sliding sleeves 354 are connected with a right lifting plate 38, the right side surface of the right lifting plate 38 is provided with two right connecting rods 39 which are arranged front and back, and the left connecting rods 37 and the right connecting rods 39 are both provided with the heating furnace 8. The second left lifting cylinder 356 and the second right lifting cylinder 357 are disposed on the bottom surface of the first top plate 2, the piston rod of the second left lifting cylinder 356 and the piston rod of the second right lifting cylinder 357 pass through the top surface of the first top plate 2, the piston rod of the second left lifting cylinder 356 is connected to the left lifting plate 36 through a left transfer member 40, and the piston rod of the second right lifting cylinder 357 is connected to the right lifting plate 38 through a right transfer member 41. The second left lifting cylinder 356 and the second right lifting cylinder 357 are respectively used for driving the corresponding heating furnace 8 to lift.

Refer to fig. 1, 11 and 12. The disc pulling device 11 comprises two rodless cylinders 111, a sliding plate 112, two third lifting cylinders 113, a connecting plate 114 and two connecting rods 115, wherein the two rodless cylinders 111 are arranged on the top surface of the second top plate 4 in a left-right mode, the sliding plate 112 is arranged between the cylinder bodies of the two rodless cylinders 111, the two third lifting cylinders 113 are arranged on the top surface of the sliding plate 112 in a left-right mode, piston rods of the two third lifting cylinders 113 face upwards and are connected with the connecting plate 114, the rear ends of the two connecting rods 115 are connected with the connecting plate 114, third inserting rods 116 are arranged on the bottom surfaces of the front ends of the two connecting rods 115, and the two connecting rods 116 are arranged in an 'eight' shape.

Refer to fig. 1, 8, 11 and 12. The top surface of second roof 4 is equipped with two left branch poles 42 and two right branch poles 43, the lower part of two left branch poles 42 all is equipped with left installation piece 44, the lower part of two right branch poles 43 all is equipped with right installation piece 45. The flange connecting device 12 comprises a third left side plate 121 and a third right side plate 122, the left side surface of the third left side plate 121 is connected with the left mounting blocks 44 on the two left supporting rods 42, the right side surface of the third right side plate 122 is connected with the right mounting blocks 45 on the two right supporting rods 43, the right side surface of the third left side plate 121 and the left side surface of the third right side plate 122 are provided with a plurality of fourth rollers 123 arranged at intervals along the length direction, and the fourth rollers 123 and the third rollers 96 are on the same level.

Refer to fig. 1, 3, 7, 11 and 12. The two rodless cylinders 111 are used for driving the sliding plate 112 to move forwards and backwards, the two third lifting cylinders 113 are used for driving the connecting plate 114 to lift and lower so as to drive the two connecting rods 115 to lift, when the sliding plate 112 slides forwards to a proper position, the two connecting rods 115 descend and are inserted into the corresponding insertion holes 72, then the two rodless cylinders 111 drive the sliding plate 112 to move backwards, the two connecting rods 115 pull the tray 7 on the second tray feeding device 10 to the fourth rollers 123 on the third left side plate 121 and the third right side plate 122, at this time, the spray gun 16 can spray insulating powder on the motor coil on the tray 7, after the spraying is completed, the two rodless cylinders 111 drive the sliding plate 112 and the two connecting rods 115 to feed the tray back to the second tray feeding device 10, and the second tray feeding device 10 then feeds the motor coil on the second tray feeding device onto the left tray feeding device 5.

Refer to fig. 11 and 12. The two left branch poles 42 and the two right branch poles 43 are all sleeved with rod sleeves 46, the rod sleeves 46 on the two left branch poles 42 and the two right branch poles 43 are connected with a supporting plate 47, the top surface of the second top plate 4 is provided with two left and right fourth cylinders 48, piston rods of the two fourth cylinders 48 face upwards and are connected with the supporting plate 47, the left baffle 13 and the right baffle 14 are located on the top surface of the supporting plate 47, and the top surface of the supporting plate 47 is provided with a left telescopic cylinder 49, two left limiting blocks 50, a right telescopic cylinder 57 and two right limiting blocks 58. Left side baffle 13 is located between two left stopper 50, the piston rod of left telescopic cylinder 49 is connected with the left surface of left baffle 13, right baffle 14 is located between two right stopper 58, the piston rod of right telescopic cylinder 57 is connected with the right surface of right baffle 14, the top surface of left side baffle 13 and the top surface of right baffle 14 all are equipped with powder storage groove 131.

Refer to fig. 11 and 12. The two fourth cylinders 48 are used for driving the supporting plate 47 to ascend and descend so as to drive the left baffle 13 and the right baffle 14 to ascend and descend, the left telescopic cylinder 49 and the right telescopic cylinder 57 respectively drive the left baffle 13 and the right baffle 14 to move left and right so that the left baffle 13 and the right baffle 14 cover the top surface of an iron core of the motor coil before spraying the insulating powder, and the powder storage groove 131 is used for receiving the redundant insulating powder during spraying.

Refer to fig. 11, 14 to 18. Four first supporting rods 59 are fixedly arranged on the bottom surface of the second top plate 4, the bottoms of the four first supporting rods 59 are connected with a first transition plate 60, four second supporting rods 61 penetrate through the first transition plate 60, the tops of the four second supporting rods 61 are connected with a second transition plate 62, the bottoms of the four second supporting rods 61 are connected with a third transition plate 63, and the second transition plate 62 and the third transition plate 63 are respectively positioned above and below the first transition plate 60. A third lifting cylinder 64 is arranged on the bottom surface of the second top plate 4, a piston rod of the third lifting cylinder 64 faces downwards and is connected with a third transition plate 64 through a lower adapter 65, and four third support rods 66 are arranged on the top surface of the second transition plate 62. The expansion disc 15 comprises a tray 151, a plurality of sector plates 152 and an expansion sleeve 153, wherein a guide rail 154 is arranged on the bottom surface of each sector plate 152, a plurality of guide rail grooves 155 are arranged on the top surface of the tray 151, and the guide rail 154 is positioned in the corresponding guide rail groove 155. The plurality of sector plates 152 form a conical disc, a conical hole 156 is formed in the middle of the conical disc, two gasket grooves 157 which are arranged up and down are formed in the outer peripheral surface of each sector plate 152, two circular gasket grooves are formed in the outer peripheral surface of the plurality of sector plates 152, and an elastic rubber ring 158 is arranged in each circular gasket groove. The expansion sleeve 153 is a conical expansion sleeve matched with the conical hole 156, the bottom of the expansion sleeve 153 is provided with a central shaft 159, the tops of the four third supporting rods 66 penetrate through the second top plate 4 to be connected with the bottom of the tray 151, the bottom of the central shaft 159 penetrates through the bottom surface of the second top plate 4 and the bottom surface of the second transition plate 62 to be connected with a fourth transition plate 67, the fourth transition plate 67 is located between the first transition plate 60 and the second transition plate 62, the bottom surface of the second transition plate 62 is provided with two fourth lifting cylinders 68, and piston rods of the two fourth lifting cylinders 68 face downwards and are connected with the top surface of the fourth transition plate 67.

Refer to fig. 11, 14 to 18. The third lifting cylinder 64 is used for driving the second transition plate 62 to lift, so as to drive the expansion disc 15 to lift, when the stator is sprayed with the insulation powder, the expansion disc 15 rises, and the conical disc blocks the inner ring of the stator, so that the insulation powder is prevented from entering the inner ring of the stator. The two four lifting cylinders 68 are used for driving the central shaft 159 and the expansion sleeve 153 to lift, when the expansion sleeve 153 descends, the fan-shaped plates 152 expand outwards, when the expansion sleeve 153 ascends, the fan-shaped plates 152 reset under the elastic force of the elastic rubber ring 158, and the expansion sleeve 153 changes the size of the conical disc through lifting.

Refer to fig. 11 and 13. The top surface of the second top plate 4 is provided with a left support seat 69 and a right support seat 70, an installation plate 74 is arranged between the top surface of the left support seat 69 and the top surface of the right support seat 70, the tops of the two left support rods 42 and the two right support rods 43 are connected with the bottom surface of the installation plate 74, and the top surface of the installation plate 74 is provided with a bearing 75 and a motor installation seat 76. The bearing 75 is internally provided with a hollow rotating shaft 77, the upper part of the rotating shaft 77 is matched with the bearing 75, the lower part of the rotating shaft 77 extends out of the lower part of the mounting plate 74, the top surface of the rotating shaft 77 is provided with a second driven belt pulley 78 connected with the rotating shaft, the motor mounting seat 76 is provided with a second stepping motor 79, the output shaft of the second stepping motor 79 is provided with a second main belt pulley 80, a second belt 81 is arranged between the second main belt pulley 80 and the second driven belt pulley 78, and the second driven belt pulley 78 is provided with a through groove 781 communicated with the inside of the rotating shaft 77. The inner side surface of the rotating shaft 77 is provided with a slide rail groove (not marked in the figure), a vertical slide rail 82 which is matched with the slide rail groove (not marked in the figure) is arranged in the rotating shaft 77, the bottom of the vertical slide rail 82 extends out of the bottom of the rotating shaft 77, the bottom of the vertical slide rail 82 is connected with the spray gun 16 through a first side adapter 83, the outer side surface of the rotating shaft 77 is provided with a fifth lifting cylinder 84, and a piston rod of the fifth lifting cylinder 84 faces downwards and is connected with the vertical slide rail 82 through a second side adapter 85.

Refer to fig. 11 and 13. The second stepping motor 79 is used for driving the spray gun 16 to rotate for 360 degrees, and the fifth lifting cylinder 84 is used for driving the spray gun 16 and the vertical slide rail 82 to lift. When the spray gun 16 is to spray the insulating powder, the spray gun 16 is lowered, and then the second stepping motor 79 rotates the spray gun 16 to spray the insulating powder.

Refer to fig. 1 to 3. In the present invention, all of the air cylinders, the motors and the spray guns are controlled by a control system (not shown). The tray in left side tray conveyer 5, the right tray conveyer 6 respectively is equipped with eight, and the heating furnace 8 that this left side tray conveyer 5, the right tray conveyer 6 correspond respectively is equipped with eight, and in the actual work process, heating furnace 8 that left side tray conveyer 5 corresponds can be dismantled one for make things convenient for putting of stator to get, also avoid the heating furnace to scald the workman simultaneously. For example, among the heating furnaces 8 corresponding to the left tray conveyer 5, the third heating furnace 8 counted from front to back can be removed, the two heating furnaces 8 arranged in front and the eight heating furnaces 8 corresponding to the right tray conveyer 6 are all used for preheating the tail ends of the winding coils, after the insulating powder is sprayed, the motor coils are sent to the left tray conveyer 5 again, and the remaining five heating furnaces 8 corresponding to the left tray conveyer 5 solidify the insulating powder.

Refer to fig. 1 to 17. The design principle of the invention is as follows: each tray 7 is placed with a motor coil with its winding coil end facing upwards. In the heating furnace 8 that left tray conveyer 5 corresponds, can dismantle by the third heating furnace 8 of preceding number backward, arrange two heating furnaces 8 in the front and eight heating furnaces 8 that right tray conveyer 6 corresponds all are used for the terminal preheating of winding coil, five remaining heating furnaces 8 that left tray conveyer 5 corresponds are used for solidifying insulating powder. All the heating furnaces 8 descend simultaneously to preheat or heat the tail ends of the corresponding winding coils, when the tail ends of the winding coils are preheated or heated, all the heating furnaces 8 ascend simultaneously, the left support rod 53 and the right support rod 54 of the left tray conveying device 5 and the right tray conveying device 6 move forwards, and the tray 7 at the foremost end of the left tray conveying device 5 is conveyed to the first tray conveying device 9; then the second tray conveying device 10 conveys the tray 7 with the motor coil after spraying to the rear end of the left tray conveying device 5; then the left support rod 53 and the right support rod 54 of the left tray conveying device 5 and the right tray conveying device 6 move backwards, the first tray conveying device 9 moves to the front end of the right tray conveying device 6, and the left support rod 53 and the right support rod 54 of the left tray conveying device 5 receive the tray on the second tray conveying device 10; then the left support rod 53 and the right support rod 54 of the left tray conveying device 5 and the right tray conveying device 6 move forwards, the second tray conveying device 10 moves to the rear end of the right tray conveying device 6, and the left support rod 53 and the right support rod 54 of the right tray conveying device 6 receive the trays on the first tray conveying device 9; then the left support rod 53 and the right support rod 54 of the left tray conveying device 5 and the right tray conveying device 6 move backwards, the first tray conveying device 9 moves to the front end of the left tray conveying device 5, and the tray at the rearmost end of the right tray conveying device 6 is conveyed to the second tray conveying device 10; then the left support rod 53 and the right support rod 54 of the left tray conveying device 5 and the right tray conveying device 6 move forwards, and the tray 7 on the second tray conveying device 10 is pulled to the tray receiving device 12 by the tray pulling device 11; and then the left baffle 13 and the right baffle 14 cover the top surface of the iron core of the motor coil, the expansion disc 15 rises to block the inner periphery of the iron core, the spray gun 16 can spray insulating powder on the tail end of the winding coil of the motor coil, after the spraying of the insulating powder is finished, the left baffle 13, the right baffle 14 and the expansion disc 15 return, and the tray 7 is conveyed to the second tray conveying device 10 by the tray pulling device 11. The above-described operation is repeated to realize the automatic transfer of the tray 7.

The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using this concept shall fall within the scope of the present invention.

Claims

1. The utility model provides an automatic coating equipment of motor coil insulation powder which characterized in that: the device comprises a first rack, a first top plate, a second rack and a second top plate, wherein the first top plate is arranged on the top surface of the first rack, the second rack is positioned at the rear side of the first rack, the second top plate is arranged on the top surface of the second rack and is abutted against the first top plate, the first top plate is provided with a left tray conveying device and a right tray conveying device, the left tray conveying device and the right tray conveying device are respectively provided with a plurality of trays, the middle part of each tray is provided with a step hole, four corners of each tray are respectively provided with a jack, four sides of the top surface of each tray are respectively provided with a plurality of first rollers, a liftable heating furnace is arranged above each tray, the front end of the first top plate is provided with a first tray conveying device which can be communicated with the left tray conveying device and the right tray conveying device and can move left and right, the rear end of the first top plate is provided with a second tray conveying device which can be communicated with the left tray conveying device and the right tray conveying device and can move left and right, the second top plate is provided with a tray pulling device capable of moving front and back, a tray receiving device is arranged above the second top plate, a left baffle and a right baffle which can move left and right are arranged above the tray receiving device, the left baffle and the right baffle are symmetrically arranged, the inner side surfaces of the left baffle and the right baffle are semi-arc surfaces, the left baffle and the right baffle are arranged in a lifting manner, a lifting expansion disc is arranged below the tray receiving device, a spray gun capable of rotating 360 degrees is arranged above the left baffle and the right baffle, and the spray gun is communicated with a powder barrel; the left tray conveying device and the right tray conveying device respectively comprise a first left side plate, a first right side plate, a left support rod and a right support rod, a plurality of second idler wheels which are arranged at intervals are arranged on the right side surface of the first left side plate and the left side surface of the first right side plate along the length direction and are used for supporting the tray, a plurality of first inserted rods are arranged on the top surface of the left support rod and the top surface of the right support rod, the plurality of first inserted rods are arranged upwards, a plurality of groups of moving devices which are arranged at intervals in the front and back are arranged on the first top plate, each group of moving devices comprises a connecting plate, a left connecting block and a right connecting block, the left connecting block and the right connecting block are respectively connected to the left end and the right end of the connecting plate, a plurality of groups of slide rails are arranged on the top surface of the first top plate, each group of slide rails corresponds to one group of moving devices, each group of slide rails comprises a left slide rail and a right slide rail, the bottom surface of the connecting plate is provided with a left slider and a right slider which are respectively matched with the left sliding rail and the right sliding rail, the connecting plate is positioned above a first top plate, the first top plate is provided with a plurality of groups of movable grooves, each group of movable grooves corresponds to a group of moving devices, each group of movable grooves comprises a left movable groove and a right movable groove, the bottom of the left connecting block and the bottom of the right connecting block respectively pass through the left movable groove and the right movable groove, the bottom of the left connecting block and the bottom of the right connecting block are respectively provided with a first left lifting cylinder and a first right lifting cylinder, the piston rod of the first left lifting cylinder penetrates through the top surface of the left connecting block and is connected with a left supporting block, the top surface of the left supporting block is provided with a left groove, the left groove is connected with the lower part of a left supporting rod, the piston rod of the first right lifting cylinder penetrates through the top surface of the right connecting block and is connected with a right supporting block, and the top surface of the right supporting block is provided with a right groove, the right groove is connected with the lower part of the right support rod, the first top plate is also provided with a middle movable groove, the middle movable groove is positioned between the left movable groove and the right movable groove, the bottom surface of the first top plate is provided with a movable air cylinder, a piston rod of the movable air cylinder is connected with a connecting plate, and the top end of the connecting plate extends out of the top surface of the first top plate and is connected with the connecting plate; the first disk feeding device and the second disk feeding device respectively comprise a second left side plate, a second right side plate and a bottom plate, the bottom plate is arranged between the bottom of the second left side plate and the bottom of the second right side plate, the top surface of the front end and the top surface of the rear end of the first top plate are respectively provided with a front slide rail and a rear slide rail, the bottom of the bottom plate is provided with a front slide block and a rear slide block which are respectively matched with the corresponding front slide rail and rear slide rail, the right side surface of the second left side plate and the left side surface of the second right side plate are respectively provided with a plurality of third idler wheels which are arranged at intervals along the length direction, one end of the second left side plate and one end of the second right side plate are respectively provided with a left pressing cylinder and a right pressing cylinder, a piston rod of the left pressing cylinder faces upwards and is connected with a left pressing plate, a piston rod of the right pressing cylinder faces upwards and is connected with a right pressing plate, the right end of the left pressing plate and the right end of the left pressing plate are respectively provided with downwards second insertion rods, and the bottom surface of the front end and the rear end of the first top plate are respectively provided with driving mechanisms for the left and right movement of the corresponding disk feeding device; the first top plate is provided with a plurality of groups of heating furnace lifting devices, each group of heating furnace lifting devices comprises two left guide rods, two right guide rods, two left sliding sleeves, two right sliding sleeves, a top plate, a second left lifting cylinder and a second right lifting cylinder, the bottoms of the two left guide rods and the bottoms of the two right guide rods are connected with the top surface of the first top plate, the tops of the two left guide rods and the tops of the two right guide rods are connected with the top plate, the two left sliding sleeves are sleeved on the corresponding left guide rods, the two right sliding sleeves are sleeved on the corresponding right guide rods, the left side surfaces of the two left sliding sleeves are connected with a left lifting plate, the left side surface of the left lifting plate is provided with two left connecting rods which are arranged in a front-back mode, the right side surfaces of the two right sliding sleeves are connected with a right lifting plate, the right side surface of the right lifting plate is provided with two right connecting rods which are arranged in front and back, the left connecting rod and the right connecting rod are both provided with the heating furnace, the second left lifting cylinder and the second right lifting cylinder are arranged on the bottom surface of the first top plate, a piston rod of the second left lifting cylinder and a piston rod of the second right lifting cylinder penetrate through the top surface of the first top plate, the piston rod of the second left lifting cylinder is connected with the left lifting plate through a left transfer piece, and the piston rod of the second right lifting cylinder is connected with the right lifting plate through a right transfer piece; the top surface of second roof is equipped with two left branch poles and two right branch poles, the lower part of two left branch poles all is equipped with left installation piece, the lower part of two right branch poles all is equipped with right installation piece, the flange device includes third left side board, third right side board, the left surface of third left side board is connected with the left installation piece on two left branch poles, the right flank of third right side board is connected with the right installation piece on two right branch poles, the right flank of third left side board, the left surface of third right side board all are equipped with several interval arrangement's fourth gyro wheel along length direction.

2. An automatic coating apparatus for insulation powder of a coil of an electric machine according to claim 1, wherein: actuating mechanism includes first step motor, first main belt pulley, first follow belt pulley and first belt, the bottom surface left end and the bottom surface right-hand member of first roof are located respectively to first step motor and first follow belt pulley, first main belt pulley is connected with the output shaft of first step motor, first belt is located between first main belt pulley and the first follow belt pulley, the front and rear end of first roof all are equipped with the spout, the bottom surface of bottom plate is equipped with connecting portion, and the spout is passed to the lower part of this connecting portion, and first belt passes connecting portion and is connected with connecting portion.

3. The automatic coating apparatus of insulating powder for coils of electric machines according to claim 1, wherein: the tray pulling device comprises two rodless cylinders, a sliding plate, two third lifting cylinders, a connecting plate and two connecting rods, the two rodless cylinders are arranged on the top surface of the second top plate in a left-right mode, the sliding plate is arranged between cylinder bodies of the two rodless cylinders, the two third lifting cylinders are arranged on the top surface of the sliding plate in a left-right mode, piston rods of the two third lifting cylinders face upwards and are connected with the connecting plate, the rear ends of the two connecting rods are connected with the connecting plate, third inserting rods are arranged on the bottom surfaces of the front ends of the two connecting rods, and the two connecting rods are arranged in an 'eight' -shaped mode.

4. The automatic coating apparatus of insulating powder for coils of electric machines according to claim 1, wherein: all the cover is equipped with the pole cover on two left branch poles and two right branch poles, the pole cover on two left branch poles and two right branch poles is connected with a backup pad, the top surface of second roof is equipped with two fourth cylinders on a left side, the right side, and the piston rod of this two fourth cylinders just is connected with the backup pad up, left side baffle and right baffle are located the top surface of backup pad, the top surface of backup pad is equipped with left telescopic cylinder, two left stoppers, right telescopic cylinder and two right stoppers, left side baffle is located between two left stoppers, left side telescopic cylinder's piston rod and the left surface of left baffle are connected, right baffle is located between two right stoppers, right side telescopic cylinder's piston rod and the right flank of right baffle are connected, the top surface of left side baffle and the top surface of right baffle all are equipped with the powder storage groove.

5. The automatic coating apparatus of insulating powder for coils of electric machines according to claim 1, wherein: the bottom surface of the second top plate is fixedly provided with four first supporting rods, the bottoms of the four first supporting rods are connected with a first transition plate, the first transition plate is penetrated by four second supporting rods, the tops of the four second supporting rods are connected with a second transition plate, the bottoms of the four second supporting rods are connected with a third transition plate, the second transition plate and the third transition plate are respectively positioned above and below the first transition plate, the bottom surface of the second top plate is provided with a third lifting cylinder, a piston rod of the third lifting cylinder faces downwards and is connected with the third transition plate through a lower adapter, the top surface of the second transition plate is provided with four third supporting rods, the expansion disc comprises a tray, a plurality of fan-shaped plates and expansion sleeves, the bottom surface of each fan-shaped plate is provided with a guide rail, the top surface of the tray is provided with a plurality of guide rail grooves, and the guide rail is positioned in the corresponding guide rail groove, the fan-shaped plates form a conical disc, a conical hole is formed in the middle of the conical disc, two gasket grooves which are arranged up and down are formed in the peripheral face of each fan-shaped plate, two circular gasket grooves are formed in the peripheral face of each fan-shaped plate, an elastic rubber ring is arranged in each circular gasket groove, each expansion sleeve is a conical expansion sleeve matched with the conical hole, a middle shaft is arranged at the bottom of each expansion sleeve, the tops of the four third supporting rods penetrate through the second top plate to be connected with the bottom of the tray, the bottom of the middle shaft penetrates through the bottom face of the second top plate and the bottom face of the second transition plate to be connected with a fourth transition plate, the fourth transition plate is located between the first transition plate and the second transition plate, two fourth lifting cylinders are arranged on the bottom face of the second transition plate, and piston rods of the two fourth lifting cylinders face down and are connected with the top face of the fourth transition plate.

6. The automatic coating apparatus of insulating powder for coils of electric machines according to claim 5, wherein: the top surface of second roof is equipped with left branch seat, right branch seat, is equipped with the mounting panel between the top surface of this left branch seat and the top surface of right branch seat, the top of two left branch poles and two right branch poles is connected with the bottom surface of mounting panel, the top surface of mounting panel is equipped with bearing and motor mount pad, be equipped with hollow axis of rotation in the bearing, the upper portion and the bearing cooperation of this axis of rotation, the below of mounting panel is stretched out to the lower part of this axis of rotation, the top surface of axis of rotation is equipped with rather than the second slave belt pulley that is connected, be equipped with second step motor on the motor mount pad, the output shaft of this second step motor is equipped with the main belt pulley of second, and this main belt pulley of second and second slave belt pulley are equipped with the second belt between the belt pulley, the second slave belt pulley is equipped with the logical groove that communicates with the inside of axis of rotation, the medial surface of axis of rotation is equipped with the slide rail groove, is equipped with the perpendicular slide rail with the cooperation in this axis of rotation, and the bottom that the bottom of this perpendicular slide rail is stretched out through a first side adapter, the lateral surface of axis of rotation is equipped with the fifth lift cylinder, the piston rod down and is connected with perpendicular slide rail through a perpendicular adapter.