CN217866672U

CN217866672U - Automatic material taking and overturning mechanism

Info

Publication number: CN217866672U
Application number: CN202221615288.XU
Authority: CN
Inventors: 邝应海
Original assignee: Foshan Linkage Technology Co ltd
Current assignee: Foshan Linkage Technology Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-11-22
Anticipated expiration: 2032-06-24

Abstract

The application discloses get material tilting mechanism automatically, include: a fixed seat; the lifting plate is vertically assembled on one side of the fixed seat in a sliding manner; the lift drive device is used for driving the lifter plate to slide upwards along the vertical direction relative to the fixing base, and comprises: the lifting driving motor is arranged on the fixed seat; a follower fixed to the lifting plate; the eccentric wheel is fixedly connected with an output shaft of the lifting driving motor and is positioned below the follower to drive the follower to move upwards; the rotary driving structure is fixed on the lifting plate; and the taking and placing device is fixedly connected with the output end of the rotary driving structure and is suitable for being driven by the rotary driving structure to do horizontal overturning motion. By the design, the full automation of the automatic overturning and material taking process can be realized, and the sucked materials can be placed on the test platforms with different heights, so that the flexibility and the practicability are better.

Description

Automatic material taking and overturning mechanism

Technical Field

The application relates to the technical field of taking and placing material mechanisms, in particular to an automatic material taking and overturning mechanism.

Background

Industrial processing efficiency is higher and higher with the increase of the degree of automation, but the pursuit of higher degree of automation has never been stopped.

In the integrated circuit processing industry, although degree of automation is very high, automatic material turnover mechanism has appeared, which comprises a fixed base, a lifting plate and a lifting driving structure, a driving motor of the lifting driving structure drives a rotating shaft of a belt pulley to rotate, the lifting plate fixed together with the belt pulley is driven to move up and down relative to the fixed base, specifically, the lifting plate descends firstly, so that a vacuum chuck on a taking and placing device can absorb an integrated chip, then, after the lifting plate ascends to a certain height, the lifting plate drives the horizontal turnover of a swing arm of the taking and placing device by means of the rotating driving structure fixed together with the lifting plate, and then the integrated chip absorbed by the vacuum chuck is driven to horizontally overturn together, and the next processing procedure is conveniently entered.

Through this automatic material tilting mechanism of getting, though can realize snatching the integrated chip automatically, then the level upset integrated chip reaches higher degree of automation.

However, the automatic material taking and overturning mechanism has the advantages that the lifting driving structure only carries out lifting motion in the process of absorbing the integrated chip, the integrated chip cannot lift again after being overturned along with the taking and placing device, the integrated chip on the taking and placing device can only be placed on the test platform with a fixed height for next test, and the flexibility is poor.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem that this application will be solved lies in overcoming the defect that puts into not co-altitude test platform after the automatic material tilting mechanism of getting among the prior art can't take out the upset with the material to an automatic material tilting mechanism of getting is provided.

For solving above-mentioned technical problem, the automation that this application provided gets material tilting mechanism includes:

a fixed seat;

the lifting plate is vertically assembled on one side of the fixed seat in a sliding manner;

the lift drive device is used for driving the lifter plate to slide upwards along the vertical direction relative to the fixing base, and comprises:

the lifting driving motor is arranged on the fixed seat;

a follower fixed to the lifting plate;

the eccentric wheel is fixedly connected with an output shaft of the lifting driving motor and is positioned below the follower to drive the follower to move upwards;

the rotary driving structure is fixed on the lifting plate;

and the taking and placing device is fixedly connected with the output end of the rotary driving structure and is suitable for being driven by the rotary driving structure to do horizontal overturning motion.

Optionally, the lifting driving device further comprises an elastic member; one end of the elastic piece is fixed on the fixed seat, the other end of the elastic piece is fixed on the lifting plate, and the elastic force of the elastic piece is suitable for pulling the lifting plate to move downwards so that the follower is abutted against the eccentric wheel.

Optionally, the lifting drive motor is located on one side of the lifting plate, and the follower and the eccentric wheel are located on the other side of the lifting plate; the lifting plate is provided with a containing groove, and an output shaft of the lifting driving motor penetrates through the containing groove to be connected to the eccentric wheel.

Optionally, a guide rail is arranged on the fixed seat, and the lifting plate is connected to the guide rail in a sliding manner along the vertical direction.

Optionally, a lifting positioning sensor is arranged on the fixed seat, and a lifting positioning sensing piece is arranged on the lifting plate; when the lifting positioning induction sheet moves to the position of the lifting positioning inductor, the lifting positioning inductor sends out a control signal for controlling the lifting driving motor to stop running.

Optionally, the lifting positioning sensor is movably mounted on the fixed seat along the vertical direction, and/or the lifting positioning sensing piece is movably mounted on the lifting plate along the vertical direction.

Optionally, the rotary drive structure is a rotary drive motor; the taking and placing device comprises:

the swing arm rotating shaft is fixedly connected with one output end of the rotary driving motor;

the swing arm extends from the side of the swing arm rotating shaft;

and the vacuum sucker is connected below the swing arm and is suitable for sucking the object to be sucked.

Optionally, the pick-and-place device further comprises a material detection sensor mounted on the swing arm, and the material detection sensor is suitable for detecting whether the object to be sucked is left below the vacuum chuck.

Optionally, another output of rotary driving motor is connected with the rotational positioning response piece, install the mounting panel on the lifter plate, install the rotational positioning inductor on the mounting panel, work as the rotational positioning response piece moves when the position of rotational positioning inductor, the rotational positioning inductor sends control the control signal of rotary driving motor stop operation.

Optionally, another output end of the rotary driving motor is further fixedly connected with a rotary air connector, and the rotary air connector is communicated with the vacuum chuck.

The technical scheme of the application has the following advantages:

1. the application provides an automatic material tilting mechanism of getting, lift driving motor drive eccentric wheel rotates, its outer fringe can drive the follower that is located its top in the eccentric wheel rotation process and rise, because the follower is fixed on the lifter plate, the follower drives the lifter plate and rises together, the back is got to the level upset of putting device to the drive of rotary drive structure, lift driving motor continues to drive the eccentric wheel and rotates, the outer fringe part that the eccentric wheel is farthest away from the shaft hole descends, this moment the follower, lifter plate and the device of getting on it together descend, because the cam drive mode between eccentric wheel and the follower can realize the auto-lock, consequently, get the thing that is absorbed on the device and can put into test platform in the position of co-altitude, then can continue to carry out the automatic upset of next thing that is absorbed and get the material, so can realize the full automatization of automatic upset material taking process, and can put the thing that is absorbed on the test platform of co-altitude, flexibility, the practicality is better.

2. The application provides an automatic get material tilting mechanism still is connected with the elastic component between fixing base and the lifter plate, and the elastic component can be all the time with the lifter plate pull to the fixing base, makes follower and eccentric wheel offset all the time, avoids the eccentric wheel to rotate the in-process, collides the follower, makes the two break away from the contact to lead to the lifter plate to rise suddenly, so that the lifter plate can't stably rise.

3. The application provides an automatic get material tilting mechanism, lift location inductor and lift location response piece cooperation are used, can guarantee the accuracy of lifter plate rise.

4. The application provides an automatic get material tilting mechanism, lift location inductor and/or lift location response piece activity equipment, the different rise's of adaptable lifter plate demand improves the automatic adaptability who gets material tilting mechanism.

5. The application provides an automatic get material tilting mechanism has or not to expect the setting that detects the inductor, can avoid vacuum chuck empty suction phenomenon to appear, in addition, can open or close vacuum system according to the testing result that has or not expect to detect the inductor.

6. The application provides an automatic get material tilting mechanism, swing arm rotation angle accuracy can be guaranteed in the setting of rotational positioning response piece and rotational positioning inductor, conveniently carries out next manufacturing procedure.

Drawings

In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic perspective view of an automatic material taking and turning mechanism of the present application;

FIG. 2 is a front view of the automatic material taking and turning mechanism of the present application;

FIG. 3 isbase:Sub>A schematic sectional view taken along the line A-A in FIG. 2;

fig. 4 is a front view of the automatic material taking and overturning mechanism in fig. 2 after the swing arm is horizontally overturned.

Description of reference numerals:

1. a fixed seat; 11. a cross roller guide rail pair; 2. a lifting plate; 21. accommodating grooves; 3. a lifting drive structure; 31. a lifting drive motor; 32. a follower; 33. an eccentric wheel; 34. an elastic member; 35. a lifting positioning sensor; 36. lifting and positioning the induction sheet; 4. a pick-and-place device; 41. a rotary drive motor; 42. a swing arm rotating shaft; 43. swinging arms; 430. slotting; 44. a vacuum chuck; 45. a material presence detection sensor; 6. a rotary gas joint; 61. a first seal ring; 62. a second seal ring; 63. sealing sleeves; 7. rotating the positioning sensor; 8. rotating the positioning induction sheet; 9. and (7) mounting the plate.

Detailed Description

The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In addition, the technical features mentioned in the different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.

The embodiment provides an automatic material taking and overturning mechanism, which is used for a test system and can lift a positioned tested integrated circuit device in a transfer tray provided with the tested integrated circuit device to a certain height after taking out the tested integrated circuit device according to an automatic software instruction, and place the tested integrated circuit device on a test platform after horizontally overturning.

The automatic material taking and overturning mechanism provided in the embodiment comprises: the fixed seat 1 is fixed on a mounting plate of the test system; the lifting plate 2 is vertically assembled on one side of the fixed seat 1 in a sliding manner; the lift drive device for drive 2 relative fixing bases of lifter plate 1 along vertical upwards sliding, it includes: the lifting driving motor 31 is arranged on the fixed seat 1; a follower 32 fixed to the lifting plate 2; the eccentric wheel 33 is fixedly connected with the output shaft of the lifting driving motor 31 and is positioned below the follower 32 to drive the follower 32 to move upwards; the rotary driving structure is fixed on the lifting plate 2; and the taking and placing device 4 is fixedly connected with the output end of the rotary driving structure and is suitable for being driven by the rotary driving structure to do horizontal overturning motion.

The lifting driving motor 31 drives the eccentric wheel 33 to rotate, the outer edge of the eccentric wheel 33 drives the follower 32 above the eccentric wheel to ascend in the rotating process of the eccentric wheel 33, the follower 32 is fixed on the lifting plate 2 and drives the lifting plate 2 to ascend together, the lifting driving motor 31 continues to drive the eccentric wheel 33 to rotate after the pick-and-place device 4 is driven to horizontally overturn by the rotary driving structure, the outer edge part of the eccentric wheel 33 farthest from the shaft hole descends, at the moment, the follower 32, the lifting plate 2 and the pick-and-place device 4 on the lifting plate descend together, self-locking can be realized due to the cam transmission mode between the eccentric wheel 33 and the follower 32, the rotating angle of the lifting driving motor 31 is controlled by a PLC control program, the pick-and-place device 4 can be stopped at positions with different heights, and therefore, the sucked objects on the pick-and-place device 4 can be placed on a test platform at positions with different heights; then lift driving motor 31 drive eccentric wheel 33 continues to rotate, can continue to carry out the automation of next quilt absorption thing and get the material upset, so can realize getting the full automatization of material upset process automatically, and can put into not co-altitude test platform with the quilt absorption thing on, flexibility, practicality are better.

Because the output end of the taking and placing device 4 and the output end of the rotary driving structure are fixedly connected, the rotary driving structure can drive the taking and placing device 4 to horizontally turn, so that the integrated circuit device picked by the taking and placing device 4 can be turned over, for example, the integrated circuit device is horizontally turned over by 180 degrees and placed on a test platform or other operation platforms, and of course, the integrated circuit device can be turned over to other required angles as required so as to carry out the next step of the process.

Further, the elevation driving means further includes an elastic member 34; one end of the elastic element 34 is fixed on the fixed seat 1, and the other end is fixed on the lifting plate 2.

Specifically, the elastic element 34 is an extension spring, one end of which is fixed on a convex column (not marked) of the fixed seat 1, and the other end of which is fixed on a convex column (not marked) of the lifting plate 2. The elastic force of the elastic member 34 is suitable for pulling the lifting plate 2 to move downwards to make the follower 32 and the eccentric wheel 33 offset, so that the design can avoid that the eccentric wheel 33 collides with the follower 32 during rotation, so that the follower 32 jumps suddenly and the two are separated from contact, thereby causing the lifting plate 2 to rise suddenly, and further preventing the lifting plate 2 from rising stably.

Further, the elevation driving motor 31 is located at one side of the elevation plate 2, and the follower 32 and the eccentric 33 are located at the other side of the elevation plate 2; the lifting plate 2 is provided with a receiving groove 21, and an output shaft of the lifting driving motor 31 passes through the receiving groove 21 and is connected to the eccentric wheel 33. By the design, the maintenance and the replacement of the follower 32 and the eccentric wheel 33 can be facilitated.

As another embodiment, the follower 32, the eccentric 33, and the elevation driving motor 31 are all located on the same side of the elevation plate 2.

In this embodiment, the lifting driving motor 31 is a fifty-seven type stepping motor, which is fastened on the fixing base 1.

Furthermore, be equipped with the guide rail on the fixing base 1, lifter plate 2 is along vertical sliding connection on the guide rail.

Specifically, the guide rail is a cross roller guide rail pair 11, and the gap of the cross roller guide rail pair 11 is adjusted to enable the fixed seat 1 and the lifting plate 2 to slide relatively.

The cross roller guide rail pair 11 has the advantages of small friction force and large contact area in the movement process, and ensures the lifting stability of the lifting plate 2. Of course, a common sliding rail may be adopted to realize the relative sliding between the two, which is a common technology and will not be described in detail herein.

Furthermore, a lifting positioning sensor 35 is arranged on the fixed seat 1, and a lifting positioning sensing piece 36 is arranged on the lifting plate 2; when the lifting/lowering position sensing piece 36 moves to the position of the lifting/lowering position sensor 35, the lifting/lowering position sensor 35 sends a control signal for controlling the lifting/lowering driving motor 31 to stop operating.

Specifically, the lifting/lowering positioning sensor 35 is fixed on one side of the fixing base 1, the side is opposite to the side where the elastic element is located, the lifting/lowering positioning sensing piece 36 is fixed on the lifting/lowering plate 2, in the lifting/lowering plate 2 lifting process, the lifting/lowering positioning sensing piece 36 rises along with the lifting/lowering plate 2, and when the lifting/lowering positioning sensing piece 36 enters a sensing groove (not marked) on the lifting/lowering positioning sensor 35, the lifting/lowering positioning sensor 35 sends out a control signal, and the control signal causes the lifting/lowering driving motor 31 to stop running through a control device (not shown).

Further, lift location inductor 35 is along vertical direction movable mounting in fixing base 1, and lift location response piece 36 is fixed on lifter plate 2.

As another embodiment, the lifting and positioning sensing piece 36 is movably mounted on the lifting plate 2 along the vertical direction, and the lifting and positioning sensor 35 is fixedly mounted on the fixing base 1.

As another embodiment, the lifting/lowering positioning sensor 35 is movably mounted on the fixing base 1 along the vertical direction, and the lifting/lowering positioning sensing piece 36 is movably mounted on the lifting plate 2 along the vertical direction.

Before use, after the test system is powered on and enters the operation interface, the corresponding positions of the lifting positioning sensor 35 and/or the lifting positioning sensing piece 36 can be adjusted according to actual requirements, so as to meet the requirement of lifting the integrated circuit device to different heights.

In a word, the purpose of this design is through the interval between adjustment lift location inductor 35 and the lift location response piece 36 to the demand that adapts to the different ranges of rise of lifter plate 2 improves the adaptability of getting material tilting mechanism voluntarily.

Further, the rotation driving structure is a rotation driving motor 41, specifically, a four-two hollow shaft stepping motor. Further, the pick-and-place device 4 includes: a swing arm rotating shaft 42 fixedly connected to one output end of the rotation driving motor 41; a swing arm 43 formed by extending laterally from the swing arm pivot 42; and the vacuum chuck 44 is connected below the swing arm 43 and is suitable for sucking the object to be sucked.

Specifically, the vacuum chuck 44 is connected to the rotary air connector 6 through a connecting pipe (not shown), a first sealing ring 61, a second sealing ring 62 and a sealing sleeve 63 are arranged on the periphery of the connecting pipe for sealing, the rotary air connector 6 is connected with a vacuum generation system of a test system, and the vacuum chuck 44 is arranged so as to conveniently suck or put down the integrated circuit device as required.

Further, it detects inductor 45 to get to put device 4 still including installing the material that has or not on swing arm 43, it has or not material to detect inductor 45 and is suitable for and detects whether there is the integrated circuit device below vacuum chuck 44, if the testing result is for having, just open the vacuum and make vacuum chuck 44 hold the integrated circuit device surface, avoid vacuum chuck 44 air suction, swing arm 43 empty upset, influence work efficiency, wait to get to put device 4 and put down the integrated circuit device upset, it has or not material to detect inductor 45 and can detect that there is not the integrated circuit device under vacuum chuck 44 this moment, like this, just can be according to actual need, send control signal. In the present embodiment, the material presence/absence detecting sensor 45 is disposed in the slot 430 of the swing arm 43, but may be disposed at other positions.

Furthermore, another output end of the rotation driving motor 41 is connected with a rotation positioning induction sheet 8, a mounting plate 9 is mounted on the lifting plate 2, a rotation positioning inductor 7 is mounted on the mounting plate 9, when the rotation positioning induction sheet 8 moves to the position of the rotation positioning inductor 7, the rotation positioning inductor 7 sends out a control signal, and the control signal controls the five-seven type stepping motor to act through the control device to drive the lifting plate 2 to rise to a set position.

The following is the working process who gets material tilting mechanism in this embodiment voluntarily:

the rotary air joint 6 is connected with a vacuum generating system of the test system;

the lifting driving motor 31 acts to drive the pick-and-place device 4 to descend to the surface of the integrated circuit device in the transfer tray, so that the vacuum chuck 44 is fully contacted with the surface of the integrated circuit device;

the material existence detection sensor 45 judges whether an integrated circuit device exists under the vacuum chuck 44, and if the detection result is yes, a vacuum generation system is started to enable the vacuum chuck to suck the surface of the integrated circuit device;

starting the rotary driving motor 41 to drive the swing arm 43 to turn 180 degrees;

starting the lifting driving motor 31 to drive the swing arm 43 to descend to a set position, and taking away the integrated circuit device by other mechanisms of the test system;

after the material existence detection sensor 45 detects that no material exists under the vacuum chuck 44, the lifting drive motor 31 acts to drive the swing arm 43 to ascend to a set position;

the rotation driving motor 41 rotates to rotate the swing arm 43 to turn to the initial position.

The automatic material taking and overturning can be realized by sequentially reciprocating and circularly completing the mechanism.

The automatic material taking and turning mechanism in this embodiment may also be used to take and place other objects to be sucked besides the integrated circuit device, for example, a metal workpiece, a plastic plate, and the like, which is not specifically limited herein.

In addition, it should be added that after the test system is powered on and enters the operation interface, the relative positions of the rotational positioning sensing sheet 8 and the rotational positioning sensor can be adjusted according to actual requirements, so that the swing angle of the swing arm 43 can be set as required to improve the adaptability of the automatic material taking and overturning mechanism, and in this embodiment, the swing arm 43 needs to be horizontally overturned by 180 degrees.

After the test system is electrified and enters the operation interface, the relative positions of the lifting positioning induction sheet 36 and the lifting positioning inductor 35 can be adjusted according to actual needs, so that the lifting height of the lifting plate 2 can be set according to actual needs, and the adaptability of the automatic material taking and overturning mechanism is improved.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of this invention are intended to be covered by the scope of the invention as expressed herein.

Claims

1. The utility model provides an automatic get material tilting mechanism which characterized in that includes:

a fixed seat (1);

the lifting plate (2) is vertically assembled on one side of the fixed seat (1) in a sliding manner;

lift drive (3), be used for the drive lifter plate (2) is relative fixing base (1) vertical upwards slides, and it includes:

the lifting driving motor (31) is arranged on the fixed seat (1);

a follower (32) fixed to the lifting plate (2);

the eccentric wheel (33) is fixedly connected with an output shaft of the lifting driving motor (31) and is positioned below the follower (32) to drive the follower (32) to move upwards;

the rotary driving structure is fixed on the lifting plate (2);

and the taking and placing device (4) is fixedly connected with the output end of the rotary driving structure and is suitable for being driven by the rotary driving structure to do horizontal overturning motion.

2. The automatic material taking and overturning mechanism according to claim 1, wherein said lifting and driving device (3) further comprises an elastic member (34); one end of the elastic piece (34) is fixed on the fixed seat (1), the other end of the elastic piece is fixed on the lifting plate (2), and the elastic force of the elastic piece (34) is suitable for pulling the lifting plate (2) to move downwards so that the follower (32) is abutted to the eccentric wheel (33).

3. The automatic reclaiming and turning mechanism of claim 1, wherein the lifting drive motor (31) is located on one side of the lifting plate (2), and the follower (32) and the eccentric (33) are located on the other side of the lifting plate (2); an accommodating groove (21) is formed in the lifting plate (2), and an output shaft of the lifting driving motor (31) penetrates through the accommodating groove (21) to be connected to the eccentric wheel (33).

4. The automatic material taking and overturning mechanism is characterized in that a guide rail (11) is arranged on the fixed seat (1), and the lifting plate (2) is vertically connected onto the guide rail (11) in a sliding manner.

5. The automatic material taking and overturning mechanism is characterized in that a lifting and positioning sensor (35) is arranged on the fixed seat (1), and a lifting and positioning sensing sheet (36) is arranged on the lifting plate (2); when the lifting positioning induction sheet (36) moves to the position of the lifting positioning inductor (35), the lifting positioning inductor (35) sends out a control signal for controlling the lifting driving motor (31) to stop running.

6. The automatic material taking and overturning mechanism as claimed in claim 5, wherein the lifting and positioning sensor (35) is movably mounted on the fixed base (1) in a vertical direction, and/or the lifting and positioning sensor (36) is movably mounted on the lifting plate (2) in a vertical direction.

7. The automatic reclaiming and turning mechanism as claimed in any one of claims 1 to 6, wherein said rotary drive structure is a rotary drive motor (41); the pick-and-place device (4) comprises:

a swing arm rotating shaft (42) fixedly connected with one output end of the rotary driving motor (41);

a swing arm (43) formed by extending from the swing arm rotating shaft (42) in the lateral direction;

and the vacuum sucker (44) is connected below the swing arm (43) and is suitable for sucking the object to be sucked.

8. The automatic material taking and turning mechanism as claimed in claim 7, wherein the taking and placing device (4) further comprises a material presence and absence detecting sensor (45) mounted on the swing arm (43), and the material presence and absence detecting sensor (45) is adapted to detect whether a material is to be sucked below the vacuum chuck (44).

9. The automatic material taking and turning mechanism as claimed in claim 7, wherein another output end of the rotating driving motor (41) is connected with a rotating positioning induction sheet (7), the lifting plate (2) is provided with a mounting plate (9), the mounting plate (9) is provided with a rotating positioning inductor (8), and when the rotating positioning induction sheet (7) moves to the position of the rotating positioning inductor (8), the rotating positioning inductor (8) sends out a control signal for controlling the rotating driving motor (41) to stop running.

10. The automatic material taking and turning mechanism as claimed in claim 7, wherein the other output end of the rotary driving motor (41) is further fixedly connected with a rotary air connector (6), and the rotary air connector (6) is communicated with the vacuum chuck (44).