CN218854905U

CN218854905U - Positive and negative detection device of iron core

Info

Publication number: CN218854905U
Application number: CN202223358272.8U
Authority: CN
Inventors: 林启发; 江加良; 秦刚
Original assignee: Zhejiang Nide Intelligent Automation Co ltd
Current assignee: Zhejiang Nide Intelligent Automation Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-04-14
Anticipated expiration: 2032-12-13

Abstract

The utility model discloses a positive and negative detection device of an iron core, which relates to the technical field of detection devices and comprises a frame, a feeding device, a first conveying device and a detection mechanism, wherein the feeding device, the first conveying device and the detection mechanism are arranged on the frame; the detection mechanism is equipped with the platform of placing including placing platform and first sensor in the frame, places the bench and is equipped with the connecting hole, and the connecting hole is located to first sensor, and when the work piece was placed on placing the bench, the breach correspondence of first sensor and work piece made first sensor expose outside the work piece. The workpiece is adjusted, when the workpiece is placed on the placing table, the first sensor does not sense that the workpiece covers the workpiece, and the first sensor corresponds to the notch of the workpiece, so that the workpiece placing position is correct.

Description

Positive and negative detection device of iron core

Technical Field

The utility model relates to detection device's technical field especially involves a positive and negative detection device of iron core.

Background

An iron core workpiece is in a quadrilateral shape with chamfers at four corners, wherein the middle position of the iron core workpiece is hollowed, and one edge of the iron core workpiece is provided with a notch; the front and back and the angle of the workpiece to be placed need to be detected after the workpiece is transported to the overdue position after being processed, so that all the workpieces are located at the same angle and the front and back positions, and the listing can be clearer.

At present, the distinguishing and listing are mostly carried out manually, which not only wastes manpower, but also is very inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a positive and negative detection device of iron core. Solves the problems that the prior method is mainly manual distinguishing and listing, which not only wastes manpower, but also is very inconvenient.

In order to achieve the above purpose, the utility model adopts the following scheme: a positive and negative detection device for an iron core comprises a rack, and a feeding device, a first conveying device and a detection mechanism which are arranged on the rack, wherein the first conveying device and the detection mechanism are arranged on one side of the feeding device, and the first conveying device is arranged on the upper side of the detection mechanism;

the detection mechanism comprises a placing table and a first sensor, the placing table is used for placing workpieces and arranged on the rack, a connecting hole is formed in the placing table, the first sensor is arranged in the connecting hole, and when the workpieces are placed on the placing table, the first sensor corresponds to a notch of the workpieces to enable the first sensor to be exposed out of the workpieces.

In the scheme, after the first sensor is arranged on the placing table, if the first sensor can sense that the workpiece covers the workpiece, the workpiece is not positioned correctly, the workpiece is adjusted, and when the workpiece is placed on the placing table, the first sensor cannot sense that the workpiece covers the workpiece, the first sensor is positioned corresponding to the notch of the workpiece, and the workpiece placing position is correct.

The first sensors are provided in plurality, and when the workpiece is placed on the placing table, the rest of the first sensors are shielded by the workpiece except for one first sensor corresponding to the notch of the workpiece.

In this scheme, through setting up a plurality of first sensors and only one sensor corresponds with the work piece breach, can more conveniently judge this how to adjust the work piece and more conveniently detect whether the work piece position of placing is correct.

The device also comprises a first adjusting mechanism and a second adjusting mechanism, wherein the first adjusting mechanism is positioned on the upper side of the placing plate, and the second adjusting mechanism is positioned on the lower side of the placing table;

the first adjusting mechanism comprises a connecting column, a first rotating motor and a first oil cylinder, the connecting column is connected with the rack and is positioned on one side, away from the feeding device, of the placing table, the first rotating motor is arranged on the upper side of the connecting column, the rotating shaft of the first rotating motor is connected with the first oil cylinder, telescopic rods on two sides of the first oil cylinder are connected with clamping jaws, and the two clamping jaws are used for clamping workpieces;

the second adjusting mechanism comprises a servo motor, the servo motor is arranged on the rack, a through hole is formed in the placing platform, a rotating plate is arranged at the upper end of a motor shaft of the servo motor, and the rotating plate is arranged in the through hole and used for pushing the workpiece.

In the scheme, the workpiece can be adjusted more conveniently and more automatically by arranging the first adjusting mechanism and the second adjusting mechanism, so that the workpiece is positioned in a correct state, the first adjusting mechanism is used for adjusting the front side and the back side of the workpiece, and the second adjusting mechanism is used for adjusting the angle of the workpiece.

First transport mechanism includes first servo slip table, the servo slip table of second and connecting seat, be equipped with in the frame first servo slip table, one side of first servo slip table is equipped with rather than perpendicular setting and rather than sliding connection the servo slip table of second, be equipped with first slider on the servo slip table of second slidable, the lower extreme of first slider is equipped with the connecting seat, install the second hydro-cylinder in the connecting seat, the lower extreme of connecting seat is equipped with and inserts establish the subassembly and be located insert the second sensor of establishing subassembly one side, insert establish the subassembly with the second hydro-cylinder is connected and is used for the transportation the work piece.

In the scheme, the first conveying mechanism conveys the workpieces to the detection mechanism, and the workpieces are conveyed and stored uniformly after detection is finished; the second sensor is used for detecting the thickness of the workpiece, if the workpiece is qualified, the front side and the back side of the workpiece are continuously detected, and if the workpiece is unqualified, the workpiece is placed at an unqualified product for storage.

And a storage assembly is arranged on the lower side of the first conveying mechanism, and the first conveying mechanism conveys the detected workpieces to place the workpieces on the storage assembly for storage.

In the scheme, qualified products after detection are uniformly placed on the storage assembly to be stored for later use.

The feeding device comprises a feeding assembly and a placing assembly, the feeding assembly is connected with the placing assembly through a second conveying mechanism and conveys workpieces to the placing assembly for standby application, the placing assembly comprises a placing box and a first moving assembly, the placing box is arranged on the rack and is arranged on one side, away from the storage assembly, of the placing platform, a sliding hole is formed in the placing box, one side, close to the placing platform, of the placing box is provided with a positioning column, the first moving assembly is arranged on the lower side of the rack, a first sliding plate is connected to the first moving assembly, a second sliding block is arranged at the upper end of the first sliding plate, an ejector block is arranged on the second sliding block, and the second sliding block is slidably arranged in the sliding hole and drives the ejector block to eject the workpieces.

In this scheme, the material loading subassembly is transported the material and is placed on placing the subassembly, after a material was transported away to first transport mechanism, thereby first motion subassembly drive second slider slides along first sliding plate kicking block top and moves the material with the material transportation of rear side to waiting to get the position, until will placing the material on the subassembly and get the back, first motion subassembly drive first slider resets, and feed mechanism material loading repeats above-mentioned action once more.

The feeding assembly comprises a second moving assembly, a second sliding plate is arranged on the second moving assembly, a second conveying mechanism is arranged on the second sliding plate and comprises a second rotating motor, a driving wheel, a driven wheel, a first nut and a screw rod seat, a connecting plate is arranged at the lower end of the second sliding plate, the second rotating motor is arranged on the connecting plate, the driving wheel connected with a rotating shaft of the second rotating motor is arranged on the lower side of the second rotating motor, the driven wheel is arranged on one side, close to the second sliding plate, of the driving wheel, the driven wheel is connected with the driving wheel through a synchronous belt, the first nut is arranged on the driven wheel, the screw rod seat is arranged on the second sliding plate, one of the screw rods of the screw rod seat is matched with the first nut to enable the screw rod seat to move up and down, a plurality of suckers are arranged on the lower side, made of the screw rod, and the suckers are used for adsorbing workpieces and conveying the workpieces.

In this scheme, the second rotates the motor and drives the action wheel and rotate, follows synchronous rotation of driving wheel, and the lead screw seat downstream, and the sucking disc adsorbs the work piece, and the second rotates the motor and drives the action wheel and rotate, follows synchronous rotation of driving wheel, and lead screw seat upward movement adsorbs the work piece on the sucking disc back second motion subassembly drive second slide and slides to make second conveyor device move to the top of placing the subassembly, repeat above-mentioned action again and place the work piece on placing the subassembly.

The rack is provided with a fixed plate, and the fixed plate is provided with the second moving assembly.

The fixed plate is provided with a connecting hole, a workpiece placing device is arranged on the lower side of the connecting hole, the workpiece placing device is arranged on one side of the placing box and used for placing a workpiece, and the second moving mechanism transports the workpiece in the workpiece placing device to the placing box for later use.

Drawings

Fig. 1 is a schematic structural view of the iron core positive and negative detection device of the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

FIG. 3 is an enlarged schematic view of FIG. 1 at B;

fig. 4 is an enlarged schematic view of fig. 1 at C.

In the figure: 1. a frame; 2. a first transport device; 21. a first servo sliding table; 22. a second servo sliding table; 23. a connecting seat; 24. a first slider; 25. a second cylinder; 26. inserting the component; 27. a second sensor; 3. a detection mechanism; 31. a placing table; 32. a first sensor; 4. a first adjustment mechanism; 41. connecting columns; 42. a first rotating motor; 43. a first oil cylinder; 44. a clamping jaw; 5. a second adjustment mechanism; 51. a servo motor; 6. a storage component; 7. a feeding device; 71. a feeding assembly; 711. a second motion assembly; 712. a second sliding plate; 72. placing the component; 721. placing a box; 722. a first motion assembly; 723. a positioning column; 724. a first sliding plate; 725. a second slider; 726. a top block; 73. a second transport mechanism; 731. a second rotating electric machine; 732. a driving wheel; 733. a driven wheel; 734. a first nut; 735. a screw rod seat; 736. a synchronous belt; 737. a suction cup; 8. a fixing plate; 81. connecting holes; 9. a workpiece placement device; 91. and (5) a workpiece.

Detailed Description

In order to better understand the invention for those skilled in the art and to define the claimed scope more clearly, the invention will be described in detail below with respect to certain specific embodiments of the invention. It should be noted that the following description is only a few examples of the present invention, and the specific and direct descriptions of the related structures are only for the convenience of understanding the present invention, and the specific features do not naturally and directly limit the scope of the present invention. Conventional alternatives and substitutions made by those skilled in the art in light of the teachings of the present disclosure should be considered as within the scope of the present disclosure.

A positive and negative detection device for an iron core comprises a rack 1, a feeding device 7, a first conveying device 2 and a detection mechanism 3, wherein the feeding device 7, the first conveying device 2 and the detection mechanism 3 are arranged on the rack 1, the first conveying device 2 is arranged on one side of the feeding device 7, and the first conveying device 2 is arranged on the upper side of the detection mechanism 3; the detection mechanism 3 includes a placing table 31 and a first sensor 32, the placing table 31 for placing the workpiece 91 is arranged on the frame 1, a connecting hole is formed in the placing table 31, the first sensor 32 is arranged in the connecting hole, and when the workpiece 91 is placed on the placing table 31, the first sensor 32 corresponds to the notch of the workpiece 91 so that the first sensor 32 is exposed outside the workpiece 91. When the workpiece 91 is placed on the placement table 31, the remaining first sensors 32 are shielded by the workpiece 91 except for one first sensor 32 corresponding to the notch of the workpiece 91.

In this embodiment, the placing table 31 is provided with a workpiece 91 placing position, the workpiece 91 is placed in the placing position, the inner periphery of the placing position is provided with the first sensors 32, each side edge is provided with two first sensors 32 to totally set eight first sensors 32, the first sensor 32 on the right side of the uppermost side corresponds to the notch of the workpiece 91, other seven first sensors 32 are all blocked by the workpiece 91 when the workpiece 91 is placed correctly, and if the first sensors 32 at other positions are not blocked or the first sensors 32 which are not blocked are blocked, it is indicated that the placing of the workpiece 91 is incorrect and needs to be corrected.

When the first sensor 32 is provided after the workpiece 91 is placed on the placing table 31, if the first sensor 32 can sense that the workpiece 91 covers the workpiece 91, it is determined that the workpiece 91 is not positioned correctly, and when the workpiece 91 is adjusted and placed on the placing table 31, if the first sensor 32 does not sense that the workpiece 91 covers the workpiece 91, it is determined that the first sensor 32 corresponds to the notch position of the workpiece 91, it is determined that the workpiece 91 is positioned correctly. By arranging a plurality of first sensors 32 and only one sensor corresponding to the notch of the workpiece 91, the workpiece 91 can be more conveniently adjusted and the workpiece 91 can be more conveniently detected whether the placement position is correct.

The device also comprises a first adjusting mechanism 4 and a second adjusting mechanism 5, wherein the first adjusting mechanism 4 is positioned on the upper side of the placing plate, and the second adjusting mechanism 5 is positioned on the lower side of the placing table 31; the first adjusting mechanism 4 comprises a connecting column 41, a first rotating motor 42 and a first oil cylinder 43, the connecting column 41 is connected with the rack 1 and is positioned on one side, away from the feeding device 7, of the placing table 31, the first rotating motor 42 is arranged on the upper side of the connecting column 41, the rotating shaft of the first rotating motor 42 is connected with the first oil cylinder 43, the telescopic rods on the two sides of the first oil cylinder 43 are both connected with clamping jaws 44, and the two clamping jaws 44 are used for clamping a workpiece 91; the second adjusting mechanism 5 includes a servo motor 51, the frame 1 is provided with the servo motor 51, the placing table 31 is provided with a through hole, the upper end of a motor shaft of the servo motor 51 is provided with a rotating plate, and the rotating plate is arranged in the through hole and used for pushing the workpiece 91.

In this embodiment, when the position of work piece 91 needs to be adjusted, then need start servo motor 51, servo motor 51 drives the rotor plate and holds up work piece 91, if just positive and negative position, then first rotor motor 42 starts, first hydro-cylinder 43 drives clamping jaw 44 and grasps work piece 91, first rotor motor 42 drives and rotates one hundred eighty degrees back in step, unclamp and carry out the adjustment, if the adjustment that still needs the angle, then the four degrees price of electricity drives the rotor plate and rotates the angle regulation to qualified position with work piece 91, servo motor 51 shortens again and places work piece 91 on the position of placing. The workpiece 91 can be adjusted more conveniently and more automatically by arranging the first adjusting mechanism 4 and the second adjusting mechanism 5, so that the workpiece 91 is in a correct state, the first adjusting mechanism 4 is used for adjusting the front side and the back side of the workpiece 91, and the second adjusting mechanism 5 is used for adjusting the angle of the workpiece 91.

First transport mechanism includes first servo slip table 21, servo slip table 22 of second and connecting seat 23, be equipped with first servo slip table 21 in the frame 1, one side of first servo slip table 21 is equipped with rather than perpendicular setting and rather than sliding connection's servo slip table 22 of second, be equipped with first slider 24 on the servo slip table 22 of second, the lower extreme of first slider 24 is equipped with connecting seat 23, install second hydro-cylinder 25 in the connecting seat 23, the lower extreme of connecting seat 23 is equipped with inserts and establishes subassembly 26 and be located and insert the second sensor 27 who establishes subassembly 26 one side, insert and establish subassembly 26 and be connected with second hydro-cylinder 25 and be used for transporting work piece 91.

In this embodiment, first servo slip table 21 and the upper end surface parallel arrangement of frame 1, the front side of placing platform 31 still is provided with telescopic cylinder, and the rear side of placing platform 31 still is provided with abandonment work piece 91 and places the position, and when unqualified work piece 91 places back on placing the position, telescopic cylinder starts and promotes unqualified work piece 91 and puts the position to abandonment work piece 91 in unified the saving, makes things convenient for the staff to take out unqualified product. The first conveying mechanism is used for conveying the workpieces 91 to the detection mechanism 3, and after detection is finished, the workpieces 91 are conveyed and stored in a unified mode; the second sensor 27 is used for detecting the thickness of the workpiece 91, and if the thickness is not enough, the front and back of the workpiece 91 are continuously detected, and if the thickness is not enough, the workpiece is placed at the placement position of the waste workpiece 91 for storage.

The storage assembly 6 is arranged on the lower side of the first conveying mechanism, and the first conveying mechanism conveys the detected workpieces 91 and places the workpieces on the storage assembly 6 for storage. The storage assembly 6 is a conveying table, which can convey the qualified workpiece 91 to the next process, and the conveying table is the prior art and will not be described herein. And the qualified products after detection are uniformly placed on the storage component 6 for storage for use.

The feeding device 7 comprises a feeding assembly 71 and a placing assembly 72, the feeding assembly 71 is connected with the placing assembly 72 through a second conveying mechanism 73 to convey the workpiece 91 to the placing assembly 72 for standby, the placing assembly 72 comprises a placing box 721 and a first moving assembly 722, a placing box 721 is arranged on the rack 1, the placing box 721 is arranged on one side, away from the storage assembly 6, of the placing table 31, a sliding hole is formed in the placing box 721, a positioning column 723 is arranged on one side, close to the placing table 31, of the placing box 721, a first moving assembly 722 is arranged on the lower side of the rack 1, a first sliding plate 724 is connected to the first moving assembly 722, a second sliding block 725 is arranged at the upper end of the first sliding plate 724, a jacking block 726 is arranged on the second sliding block 725, and the second sliding block 725 is slidably arranged in the sliding hole to drive the jacking block 726 to jack the workpiece 91. The feeding assembly 71 transports the material to the placing assembly 72 for placing, after the first transporting mechanism transports a material, the first moving assembly 722 drives the second sliding block 725 to slide along the first sliding plate 724, so that the ejector block 726 ejects the material to transport the material on the rear side to the position to be taken, until the material on the placing assembly 72 is taken, the first moving assembly 722 drives the first sliding block 24 to reset, and the feeding mechanism feeds the material again to repeat the above actions.

The feeding assembly 71 comprises a second moving assembly 711, a second sliding plate 712 is arranged on the second moving assembly 711, a second conveying mechanism 73 is arranged on the second sliding plate 712, the second conveying mechanism 73 comprises a second rotating motor 731, a driving wheel 732, a driven wheel 733, a first nut 734 and a screw rod seat 735, a connecting plate is arranged at the lower end of the second sliding plate 712, the second rotating motor 731 is arranged on the connecting plate, the driving wheel 732 connected with the rotating shaft of the second rotating motor 731 is arranged on the lower side of the second rotating motor 731, the driven wheel 733 is arranged on one side, close to the second sliding plate 712, of the driving wheel 732, the driven wheel 733 is connected with the driving wheel 732 through a synchronous belt 736, the first nut 734 is arranged on the driven wheel 733, the screw rod seat 735 is arranged on the second sliding plate 712, one screw rod of the screw rod seat 735 is matched with the first nut 734 to enable the screw rod seat 735 to move up and down, a plurality of suction cups 737 are arranged on the lower side of the screw rod, and the suction cups 737 are used for absorbing the workpiece 91 and conveying the workpiece 91.

In this embodiment, the second moving component 711 is a telescopic cylinder and a guide rail, and a telescopic rod of the telescopic cylinder is connected to the second sliding plate 712, and drives the second sliding plate 712 to slide along the guide rail by extension. The second rotating motor 731 drives the driving wheel 732 to rotate, the driven wheel 733 rotates synchronously, the screw seat moves downwards, the suction cup 737 adsorbs the workpiece 91, the second rotating motor 731 drives the driving wheel 732 to rotate, the driven wheel 733 rotates synchronously, the screw seat moves upwards, the second moving assembly 711 drives the second sliding plate to slide after the workpiece 91 is adsorbed on the suction cup 737, and therefore the second transporting mechanism 73 moves to the position above the placing assembly 72, and the above actions are repeated to place the workpiece 91 on the placing assembly 72.

The frame 1 is provided with a fixed plate 8, and the fixed plate 8 is provided with a second moving assembly 711. The fixing plate 8 is provided with a connecting hole 81, the lower side of the connecting hole 81 is provided with a workpiece placing device 9, the workpiece placing device 9 is arranged on one side of the placing box 721 and used for placing a workpiece 91, and the second moving mechanism transports the workpiece 91 in the workpiece placing device 9 to the placing box 721 for standby.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and embellishments can be made without departing from the technical principle of the present invention, and these improvements and embellishments should also be regarded as the protection scope of the present invention.

Claims

1. The device for detecting the positive and negative sides of the iron core is characterized by comprising a rack (1), and a feeding device (7), a first conveying device (2) and a detecting mechanism (3) which are arranged on the rack (1), wherein the first conveying device (2) and the detecting mechanism (3) are arranged on one side of the feeding device (7), and the first conveying device (2) is arranged on the upper side of the detecting mechanism (3);

the detection mechanism (3) comprises a placing table (31) and a first sensor (32), the placing table (31) used for placing a workpiece (91) is arranged on the rack (1), a connecting hole is formed in the placing table (31), the first sensor (32) is arranged in the connecting hole, when the workpiece (91) is placed on the placing table (31), the first sensor (32) corresponds to a notch of the workpiece (91) so that the first sensor (32) is exposed out of the workpiece (91).

2. The device for detecting the positive and negative orientations of a core according to claim 1, wherein a plurality of first sensors (32) are provided, and when the workpiece (91) is placed on the placing table (31), the remaining first sensors (32) are shielded by the workpiece (91) except for one first sensor (32) corresponding to the notch of the workpiece (91).

3. The device for detecting the positive and negative directions of iron cores according to claim 1, further comprising a first adjusting mechanism (4) and a second adjusting mechanism (5), wherein the first adjusting mechanism (4) is located at the upper side of the placing plate, and the second adjusting mechanism (5) is located at the lower side of the placing table (31);

the first adjusting mechanism (4) comprises a connecting column (41), a first rotating motor (42) and a first oil cylinder (43), the connecting column (41) is connected with the rack (1) and is located on one side, away from the feeding device (7), of the placing table (31), the first rotating motor (42) is arranged on the upper side of the connecting column (41), the rotating shaft of the first rotating motor (42) is connected with the first oil cylinder (43), the telescopic rods on the two sides of the first oil cylinder (43) are both connected with clamping jaws (44), and the two clamping jaws (44) are used for clamping a workpiece (91);

the second adjusting mechanism (5) comprises a servo motor (51), the servo motor (51) is arranged on the rack (1), a through hole is formed in the placing table (31), a rotating plate is arranged at the upper end of a motor shaft of the servo motor (51), and the rotating plate is arranged in the through hole and used for pushing the workpiece (91).

4. The positive and negative detection device of iron core of claim 1, characterized in that, first conveyer (2) includes first servo slip table (21), second servo slip table (22) and connecting seat (23), be equipped with on frame (1) first servo slip table (21), one side of first servo slip table (21) is equipped with rather than perpendicular setting and rather than sliding connection second servo slip table (22), be equipped with first slider (24) on second servo slip table (22) slidable, the lower extreme of first slider (24) is equipped with connecting seat (23), install second hydro-cylinder (25) in connecting seat (23), the lower extreme of connecting seat (23) is equipped with inserts establish subassembly (26) and be located insert second sensor (27) that establish subassembly (26) one side, insert establish subassembly (26) with second hydro-cylinder (25) are connected and are used for transporting work piece (91).

5. The device for detecting the positive and negative sides of the iron core as claimed in claim 1, wherein a storage component (6) is arranged at the lower side of the first transportation device (2), and the first transportation device (2) transports the detected workpiece (91) to be placed on the storage component (6) for storage.

6. The device for detecting the positive and negative sides of the iron core according to claim 5, wherein the feeding device (7) comprises a feeding assembly (71) and a placing assembly (72), the feeding assembly (71) is connected with the placing assembly (72) through a second transporting mechanism (73) to transport the workpiece (91) onto the placing assembly (72) for standby, the placing assembly (72) comprises a placing box (721) and a first moving assembly (722), the placing box (721) is arranged on the machine frame (1), the placing box (721) is arranged on one side of the placing table (31) far away from the storage assembly (6), a sliding hole is arranged in the placing box (721), a positioning column (723) is arranged on one side of the placing box (721) close to the placing table (31), the first moving assembly (722) is arranged on the lower side of the machine frame (1), a first sliding plate (724) is connected to the first moving assembly (722), a second sliding block (725) is arranged on the upper end of the first sliding plate (724), and a jacking sliding block (725) is arranged on the second sliding block (725) and is slidably arranged in the jacking block (725).

7. The iron core positive and negative detection device according to claim 6, wherein the feeding assembly (71) comprises a second moving assembly (711), a second sliding plate (712) is disposed on the second moving assembly (711), the second sliding plate (712) is provided with the second transportation mechanism (73), the second transportation mechanism (73) comprises a second rotating motor (731), a driving wheel (732), a driven wheel (733), a first nut (734) and a screw seat (735), a connecting plate is disposed at a lower end of the second sliding plate (712), the second rotating motor (731) is disposed on the connecting plate, the driving wheel (732) connected to a rotating shaft of the second rotating motor (731) is disposed at a lower side of the second rotating motor (73), the driven wheel (733) is disposed at a side of the driving wheel (732) close to the second sliding plate (712), the driven wheel (733) is connected to the driving wheel (732) through the driving wheel (736), the first nut (734) is disposed on the driven wheel (733), the second sliding plate (712) is disposed on the driven wheel (735), the screw seat (735) is connected to the driving wheel (732) through the driving wheel (732), a plurality of screw seats (734) are disposed on the driven belt (733), and a plurality of the screw seat (735) is disposed on the lower side of the screw (737) of the screw seat (735, so that the screw (734) can move up and down of the screw (737) can be matched with the screw seat (737), the sucking disc (737) is used for adsorbing the workpiece (91) and transporting the workpiece (91).

8. The device for detecting the positive and negative orientations of the iron core according to claim 7, wherein a fixed plate (8) is disposed on the machine frame (1), and the second moving assembly (711) is disposed on the fixed plate (8).

9. The device for detecting the positive and negative sides of the iron core as claimed in claim 8, wherein the fixing plate (8) is provided with a connecting hole (81), a workpiece placing device (9) is arranged at the lower side of the connecting hole (81), the workpiece placing device (9) is arranged at one side of the placing box (721) and used for placing the workpiece (91), and the second moving component (711) transports the workpiece (91) in the workpiece placing device (9) to the placing box (721) for standby.