CN215239135U

CN215239135U - Automatic locking device

Info

Publication number: CN215239135U
Application number: CN202023156715.6U
Authority: CN
Inventors: 黎勇; 杨超良; 王文升
Original assignee: Henan Yuzhan Precision Technology Co Ltd
Current assignee: Fulian Yuzhan Technology Henan Co Ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-12-21
Anticipated expiration: 2030-12-24

Abstract

The application discloses automatic locking attaches device includes: the jig assembly is used for fixing a product to be locked; the electric screwdriver comprises a screwdriver head, wherein the screwdriver head is arranged in the electric screwdriver in an offset mode and is positioned at the edge position of the electric screwdriver so as to enter the narrow space of the product and lock the product in the narrow space of the product by using a locking piece; and the Z-direction movement mechanism is connected with the electric screw driver and is used for driving the electric screw driver to move in the Z direction so as to enable the electric screw driver to be close to or far away from the product on the jig component. The automatic locking device drives the electric screw driver to move in the Z direction through the Z-direction movement mechanism so as to be close to or far away from a product on the jig assembly, and the product can be locked in a narrow space of the product due to the offset arrangement of the screwdriver head on the electric screw driver. Compared with the prior art, the method and the device have the advantages that the operation stability is good, the yield of products is guaranteed, the efficiency is high, and the labor cost is low.

Description

Automatic locking device

Technical Field

The application relates to the field of locking, in particular to an automatic locking device.

Background

When the work piece is attached to the lock, prior art generally cooperates through tool and bottle opener, attaches retaining member (for example screw) lock on the product one by one through the manual work, to when locking the product in the narrow space of product, this kind of mode operator intensity of labour is great, needs the bottle opener slope to insert in the narrow space, leads to operating stability relatively poor, the easy problem that appears leaking the lock, the lock is askew, not lock in place, the yield of product can't be guaranteed, and efficiency is lower, the human cost that needs the expense is higher.

SUMMERY OF THE UTILITY MODEL

In view of the above situation, the present application provides an automatic locking device to solve the above problems.

The application provides an automatic locking attaches device, includes:

the jig assembly is used for fixing a product to be locked;

the electric screwdriver comprises a screwdriver head, wherein the screwdriver head is arranged in the electric screwdriver in an offset mode and is positioned at the edge position of the electric screwdriver so as to enter the narrow space of the product and lock the product in the narrow space of the product by using a locking piece; and

and the Z-direction movement mechanism is connected with the electric screw driver and is used for driving the electric screw driver to move in the Z direction so as to enable the electric screw driver to be close to or far away from the product on the jig assembly.

In some embodiments, the electric screw driver includes a screw driver support, a servo motor, a transmission rod, a driving wheel, a transmission wheel and a driven wheel, the servo motor is fixedly disposed at one end of the screw driver support, the driving wheel, the transmission wheel and the driven wheel are disposed at the other end of the screw driver support, one end of the transmission rod is connected to the servo motor, the other end of the transmission rod is connected to the driving wheel, the driven wheel is disposed on the periphery of the driving wheel and is connected to the driving wheel through the transmission wheel, and the screw driver is fixedly connected to the corresponding driven wheel.

In some embodiments, the electric screwdriver further comprises a floating block, a linear bearing, a screwdriver head guide rod and a compression spring, the floating block is connected with the other end of the screwdriver support through the linear bearing, the compression spring is arranged between the floating block and the other end of the screwdriver support, the floating block is further provided with a vacuum connector, one end, away from the screwdriver support, of the floating block is provided with the screwdriver head guide rod, the screwdriver head can slide in the floating block and the screwdriver head guide rod, and the screwdriver head guide rod is communicated with the vacuum connector to generate vacuum adsorption on the locking piece.

In some embodiments, the screwdriver further comprises a Y-direction moving mechanism, the two jig assembly jig assemblies are arranged oppositely along the Y direction, the Y-direction moving mechanism is connected with the jig assembly to drive the jig assembly to move in the Y direction, and the electric screwdriver comprises two screwdriver heads which respectively lock and attach products on the two jigs arranged in the Y direction.

In some embodiments, the product comprises a shell and a patch, the jig assembly comprises a jig body, two material blocking blocks, two clamping blocks and an air cylinder, the two material blocking blocks are respectively arranged on two adjacent sides of the jig body, the clamping blocks are arranged on the other side, opposite to the material blocking blocks, of the jig body, and the air cylinder is connected with the clamping blocks to drive the clamping blocks to move towards the material blocking blocks so as to clamp the shell.

In some embodiments, the jig assembly further comprises a turnover structure, the turnover structure comprises a turnover cylinder, a rack, a turnover gear, a turnover shaft and a turnover suction block, an output end of the turnover cylinder is fixedly connected with the rack, the turnover gear is meshed with the rack, the turnover shaft is fixedly connected with the turnover gear, the turnover cylinder is used for driving the rack to move so as to drive the turnover gear and the turnover shaft to rotate, the turnover suction block is fixedly arranged on the turnover shaft, an adsorption hole is formed in the turnover suction block, and the adsorption hole is communicated with the vacuum connector through a gas channel in the turnover suction block and the turnover shaft so as to adsorb the patch; the turnover shaft is used for driving the turnover suction block to rotate so as to turn over and place the elastic sheet adsorbed by the turnover suction block into the shell on the jig body.

In some embodiments, the jig body further includes a proximity switch for detecting whether the housing is fixed to the jig body.

In some embodiments, the fixture further comprises an X-direction movement mechanism and a feeding mechanism, wherein the X-direction movement mechanism is connected with the Z-direction movement mechanism and is used for driving the Z-direction movement mechanism and the electric driver to move between the feeding mechanism and the fixture assembly.

In some embodiments, feeding mechanism includes mount, lift cylinder, retaining member hopper, retaining member ejector pin and pressure sensor, the lift cylinder with the retaining member hopper is fixed connection respectively the both ends of mount, the output of lift cylinder is connected the locking ejector pin so that the locking ejector pin is in reciprocating motion in the retaining member hopper, the locking hopper is used for placing the retaining member, have the absorption mouth on the locking ejector pin and pass through hollow passageway in the locking ejector pin with vacuum joint connects for produce adsorption affinity and then adsorb in the locking hopper the retaining member, pressure sensor is used for sensing locking ejector pin sends out signal when adsorbing the retaining member, with control the lift cylinder will stop motion after the jacking of locking ejector pin.

In some embodiments, the feeding mechanism further comprises a moving cylinder, and an output end of the moving cylinder is connected with the fixed frame to control the position of the fixed frame in the Y direction.

The automatic locking device drives the electric screwdriver to move in the Z direction through the Z-direction movement mechanism so as to be close to or far away from the product on the jig assembly, and the screwdriver head on the electric screwdriver is offset in the electric screwdriver and is positioned at the edge position of the electric screwdriver, so that the screwdriver head of the electric screwdriver is vertically inserted into the narrow space of the shell, and the locking piece is used for vertically locking the product. Compared with the prior art, the method and the device have the advantages that the operation stability is good, the yield of products is guaranteed, the efficiency is high, and the labor cost is low.

Drawings

Fig. 1 is a schematic perspective view of an automatic locking device according to an embodiment of the present disclosure.

Fig. 2 is a perspective view of a jig assembly in the automatic locking device shown in fig. 1.

Fig. 3 is a perspective view of the electric driver in the automatic locking device shown in fig. 1.

Fig. 4 is a partial structural schematic view of the electric driver shown in fig. 3.

FIG. 5 is a perspective view of a feeding mechanism in the automatic locking device shown in FIG. 1.

Description of the main elements

Automatic locking device 100

Product 200

Case 210

Bottom plate 211

Side plate 212

Patch 220

Retaining member 300

Machine table 10

Frame 11

Bratticing 12

Bearing plate 13

Jig assembly 20

Tool body 21

Stop block 22

Clamping block 23

Cylinder 24

Turning structure 25

Overturning cylinder 251

Rack 252

Overturning gear 253

Turnover shaft 254

Overturning suction block 255

Adsorption hole 2551

Vacuum joints

256, 393

Proximity switch 26

Electric screw driver 30

Screwdriver head 31

Bottle opener support 32

Servo motor 33

Drive rod 34

Drive wheel 35

Drive wheel 36

Driven wheel 37

Slider 38

Linear bearing 39

Screwdriver guide 391

Compression spring 392

Guide post 394

Z-direction movement mechanism 40

Y-direction movement mechanism 50

X-direction movement mechanism 60

Feeding mechanism 70

Fixed mount 71

Lifting cylinder 72

Retaining member hopper 73

Locking ejector 74

Adsorption port 741

Pressure sensor 75

Movable cylinder 76

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and are only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

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; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and diagonally above the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

Referring to fig. 1, an embodiment of the present application provides an automatic locking device 100 for locking a product 200 in a narrow space of the product 200, specifically, the product 200 includes a housing 210 and a patch 220, the housing 210 includes a bottom plate 211 and a plurality of side plates 212, the plurality of side plates 212 are vertically disposed on one side of the bottom plate 211 and enclose to form a frame-shaped structure, the patch 220 is located in the frame-shaped structure and is fixed on the side plate 212 through a locking member 300 (for example, a screw), and it can be understood that the narrow space is a space enclosed by the bottom plate 211 and the plurality of side plates 212. With respect to the above space, the electric driver of the related art needs to be inserted obliquely into the above space due to the presence of the peripheral side plate 212 to lock the patch to the side plate 212, and thus the locker 300 is easily inserted non-perpendicularly with respect to the patch and the product or the locker 300 is inserted obliquely into the locking hole due to the oblique locking instead of the vertical locking, resulting in poor assembling quality and failure. The locker 300 of the present self-locking apparatus 100 may be vertically screwed into the locking hole to stably fix the patch 220 to the side plate 212 of the housing 210. In this embodiment, the housing 210 is a rear case of a mobile phone, and the patch 220 is a spring sheet.

The automatic locking device 100 includes a machine 10, a jig assembly 20, an electric screw driver 30 and a Z-direction moving mechanism 40.

The jig assembly 20 is arranged on the machine table 10 and used for fixing the product 200 to be locked; the electric driver 30 includes a bit 31, and the bit 31 is offset in the electric driver 30 to be located at an edge position of the electric driver 30 so as to enter the narrow space of the product 200 and lock the product 200 with the locker 300 in the narrow space of the product 200. The Z-direction moving mechanism 40 is disposed on the machine table 10 and connected to the electric driver 30 for driving the electric driver 30 to move in the Z-direction to approach or move away from the product 200 on the jig assembly 20.

It should be noted that, for the sake of understanding, the Z direction is defined as a vertical direction, the X direction is defined as a left-right direction when the operator faces the machine, and the Y direction is perpendicular to the XZ plane, as shown in fig. 1.

The machine 10 includes a machine frame 11, a plurality of enclosing plates 12 and a bearing plate 13.

The machine frame 11 is a frame-shaped structure. A plurality of surrounding plates 12 surround the circumference of the machine frame 11, and a carrier plate 13 is provided on the machine frame 11. In the present embodiment, the number of the shroud plates 12 is four.

Referring to fig. 2, the jig assembly 20 includes a jig body 21, two material blocking blocks 22, a clamping block 23 and an air cylinder 24. In the illustrated embodiment, the jig assemblies 20 are two and are oppositely arranged along the Y direction.

The jig body 21 is substantially rectangular plate-shaped and is disposed perpendicular to the carrier plate 13.

The two material blocking blocks 22 are respectively arranged on two adjacent sides of the jig body 21.

The clamping block 23 is disposed on the other side of the jig body 21 opposite to one of the stop blocks 22.

The air cylinder 24 connects the clamping block 23 to drive the clamping block 23 to move towards the opposite striker block 22 to clamp the housing 210.

Wherein the jig assembly 20 further comprises a turning structure 25, and the turning structure 25 comprises a turning cylinder 251, a rack 252, a turning gear 253, a turning shaft 254 and a turning suction block 255.

The output end of the overturning cylinder 251 is fixedly connected with the rack 252, the overturning gear 253 is meshed with the rack 252, the overturning shaft 254 is fixedly connected with the overturning gear 253, the overturning cylinder 251 is used for driving the rack 252 to move so as to drive the overturning gear 253 and the overturning shaft 254 to rotate, the overturning absorption block 255 is fixedly arranged on the overturning shaft 254, an absorption hole 2551 is formed in the overturning absorption block 255, and the absorption hole 2551 is communicated with the vacuum connector 256 through gas channels in the overturning absorption block 255 and the overturning shaft 254 so as to absorb the patch 220; the turning shaft 254 is used for driving the turning suction block 255 to rotate so as to turn over the patch 220 sucked by the turning suction block 255 and place the patch into the casing 210 on the jig body 21.

The jig assembly 20 further includes a proximity switch 26, and the proximity switch 26 is used for detecting whether the casing 210 is fixed on the jig body 21.

The working process of the jig assembly 20 is as follows: placing the shell 210 on the two material blocking blocks 22 and clamping the shell by using the clamping block 23, placing the patch 220 on the overturning absorption block 255 and fixing the patch by using the absorption hole 2551; the proximity switch 26 detects whether the fixture body 21 has the fixed housing 210 again; after the proximity switch 26 confirms that the fixture body 21 is provided with the fixed housing 210, the overturning cylinder 251 drives the rack 252 to move so as to enable the overturning gear 253 to drive the overturning shaft 254 to rotate, the overturning shaft 254 drives the overturning suction block 255 and the patch 220 thereon to rotate for about 180 degrees, and then the patch 220 is just placed at a corresponding position on the inner wall of the side plate 212 of the housing 210, so that the assembly of the housing 210 and the patch 220 is completed, and the subsequent locking of the housing 210 and the patch 220 by using the locking member 300 is waited.

Referring to fig. 3 and 4, the electric driver 30 includes a driver holder 32, a servo motor 33, a transmission rod 34, a driving wheel 35, a transmission wheel 36 and a driven wheel 37.

The servo motor 33 is fixedly arranged at one end of the screwdriver support 32, the driving wheel 35, the driving wheel 36 and the driven wheel 37 are arranged at the other end of the screwdriver support 32, one end of the transmission rod 34 is connected with the servo motor 33, the other end of the transmission rod is connected with the driving wheel 35, the driven wheel 37 is positioned on the periphery of the driving wheel 35 and is connected with the driving wheel 35 through the driving wheel 36, and the screwdriver head 31 is fixedly connected to the corresponding driven wheel 37. This application is through action wheel 35, drive wheel 36 and follow driving wheel 37, with criticizing head 31 offset setting in electric bottle opener and making its marginal position that is located electric bottle opener, the criticizing head of electric bottle opener inserts the casing vertically in the casing of being convenient for make retaining member 300 lock with paster 220 perpendicularly and attach to solve among the prior art bottle opener and need incline and insert in narrow space, lead to the askew, lock to attach insecure problem.

Wherein the electric driver 30 further comprises a slider 38, a linear bearing 39, a batch head guide 391 and a compression spring 392.

The floating block 38 is connected with the other end of the driver support 32 through a linear bearing 39, the compression spring 392 is arranged between the floating block 38 and the other end of the driver support 32, the floating block 38 is further provided with a vacuum joint 393, one end of the floating block 38 far away from the driver support 32 is provided with a batch head guide rod 391, the batch head 31 can slide in the floating block 38 and the batch head guide rod 391, and the batch head guide rod 391 is communicated with the vacuum joint 393 to generate the vacuum adsorption locking piece 300.

Wherein, the side of the floating block 38 far away from the screw driver bracket 32 is further provided with a guide column 394, and the guide column 394 is used for floating the floating block 38 to expose the bit 31 when the electric screw driver 30 descends.

The Z-direction movement mechanism 40 is a lead screw nut driving structure.

The working process of the electric screwdriver is as follows: after the electric screw driver 30 absorbs the locking member 300 through the screwdriver head guide rod 391 by using the negative pressure of the vacuum connector 393, the electric screw driver 30 moves to the corresponding position of the casing 210 and the patch 220 of the jig assembly 20, then the Z-direction moving mechanism drives the electric screw driver 30 to move downwards, so that the locking member 300 is pressed against the corresponding locking hole of the casing 210 and the patch 220, and then the electric screw driver continues to move downwards, so that the floating block 38 compresses the compression spring 392 to enable the floating block to approach the screwdriver support 32, so that the screwdriver head 31 is pressed against the locking member 300. The servo motor 33 is then rotated to rotate the offset batch head 31 and thus the retaining member 300 to retain the housing 210 and the patch 220.

In some embodiments, with continued reference to fig. 1, the automatic locking device 100 further includes a Y-direction moving mechanism 50, an X-direction moving mechanism 60, and a feeding mechanism 70.

The two jig assemblies 20 are oppositely arranged along the Y direction, the Y-direction moving mechanism 50 is connected with the jig assembly 20 to drive the jig assembly 20 to move in the Y direction, and the electric screw driver 30 includes two screwdriver heads 31. Because two batch heads 31 that this application electric screw driver has are respectively to both sides offset, consequently to two tool subassemblies that set up relatively, at first utilize one of them batch head to lock casing 210 and paster 220 on a tool jig, the Y drives tool subassembly motion to movement mechanism 50 after the locking is accomplished, makes another tool subassembly and another batch head corresponding in order to lock casing 210 and paster 220 on another tool jig.

In the present embodiment, the Y-direction movement mechanism 50 is a lead screw nut drive structure.

The X-direction moving mechanism 60 is connected to the Z-direction moving mechanism 40 for driving the Z-direction moving mechanism 40 and the electric driver 30 to move between the feeding mechanism 70 and the jig assembly 20. In the present embodiment, the X-direction movement mechanism 60 is a screw nut drive structure.

Referring to fig. 5, the feeding mechanism 70 includes a fixing frame 71, a lifting cylinder 72, a locking member hopper 73, a locking ram 74, and a pressure sensor 75.

Lifting cylinder 72 and retaining member hopper 73 are the both ends of fixed mount 71 of fixed connection respectively, locking ejector pin 74 is connected so that locking ejector pin 74 reciprocating motion in retaining member hopper 73 to the output of lifting cylinder 72, retaining member hopper 73 is used for placing retaining member 300, locking ejector pin 74 is last to have absorption mouth 741 and to be connected with vacuum joint through the hollow passageway in the locking ejector pin 74, a retaining member 300 for producing the adsorption affinity and then adsorbing in the retaining member hopper 73, pressure sensor 75 is used for sensing the locking ejector pin 74 and adsorbs when having retaining member 300 signals, stop motion after with locking ejector pin 74 jacking in order to control lifting cylinder 72.

The feeding mechanism 70 further includes a moving cylinder 76, and an output end of the moving cylinder 76 is connected to the fixed frame 71 for controlling the position of the fixed frame 71 in the Y direction.

When the feeding mechanism 70 works, firstly, a certain amount of locking members 300 are loaded in the locking member hopper 73, the locking mandril 74 is connected with a vacuum connector through a hollow channel to generate adsorption force, then the locking mandril 74 is lifted and lowered in the locking member hopper 73 in a reciprocating mode through the lifting cylinder 72 until the locking mandril 74 correctly adsorbs one locking member 300, at the moment, the pressure sensor 75 senses that the locking mandril 74 adsorbs one locking member 300 and sends a signal, and the lifting cylinder 72 is controlled to lift the locking mandril 74 and then stop moving. Then the moving cylinder 76 controls the position of the fixing frame 71 in the Y direction, so that the locking mandril 74 absorbed with the locking piece 300 and the batch head 31 of the electric screwdriver 30 are at the same position in the Y direction, which is convenient for the X-direction moving mechanism 60 to move the electric screwdriver 30 to the position of the locking mandril 74, and then the electric screwdriver 30 absorbs the locking piece 300 of the locking mandril 74 and returns to the position of the jig assembly 20.

The automatic locking device 100 drives the electric driver 30 to move in the Z direction to approach or depart from the product 200 on the jig assembly 20 through the Z-direction moving mechanism 40, and since the screwdriver head 31 on the electric driver 30 is offset in the electric driver 30 and is located at the edge of the electric driver 30, the screwdriver head 31 of the electric driver 30 can be conveniently and vertically inserted into the housing, so that the locking member 300 can vertically lock the product 200 in a narrow space, and the problems of askew locking and loose locking caused by the fact that the driver needs to be obliquely inserted into the narrow space in the prior art are solved. Compared with the prior art, the method and the device have the advantages that the operation stability is good, the yield of products is guaranteed, the efficiency is high, and the labor cost is low.

It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application and not for limiting, and although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application.

Claims

1. An automatic locking device, comprising:

the jig assembly is used for fixing a product to be locked;

2. The automatic locking device as claimed in claim 1, wherein the electric screwdriver comprises a screwdriver support, a servo motor, a transmission rod, a driving wheel, a transmission wheel and a driven wheel, the servo motor is fixedly arranged at one end of the screwdriver support, the driving wheel, the transmission wheel and the driven wheel are arranged at the other end of the screwdriver support, one end of the transmission rod is connected with the servo motor, the other end of the transmission rod is connected with the driving wheel, the driven wheel is arranged at the periphery of the driving wheel and is connected with the driving wheel through the transmission wheel, and the screwdriver head is fixedly connected with the corresponding driven wheel.

3. The automatic locking device as claimed in claim 2, wherein the electric driver further comprises a floating block, a linear bearing, a bit guide rod and a compression spring, the floating block is connected with the other end of the driver support through the linear bearing, the compression spring is arranged between the floating block and the other end of the driver support, the floating block is further provided with a vacuum joint, the bit guide rod is arranged at one end of the floating block away from the driver support, the bit can slide in the floating block and the bit guide rod, and the bit guide rod is communicated with the vacuum joint to generate vacuum adsorption to the locking piece.

4. The automatic locking device of claim 3, further comprising two Y-direction moving mechanisms, wherein the two jig assemblies are oppositely arranged along the Y direction, the Y-direction moving mechanism is connected with the jig assemblies to drive the jig assemblies to move in the Y direction, and the electric screw driver comprises two screwdriver heads which respectively lock and attach the products on the two jigs arranged in the Y direction.

5. The automatic locking device of claim 4, wherein the product comprises a housing and a patch, the jig assembly comprises a jig body, two material blocking blocks, two clamping blocks and an air cylinder, the two material blocking blocks are respectively arranged on two adjacent sides of the jig body, the clamping blocks are arranged on the other side of the jig body opposite to the material blocking blocks, and the air cylinder is connected with the clamping blocks to drive the clamping blocks to move towards the material blocking blocks to clamp the housing.

6. The automatic locking device according to claim 5, wherein the jig assembly further comprises a turning structure, the turning structure comprises a turning cylinder, a rack, a turning gear, a turning shaft and a turning suction block, the output end of the turning cylinder is fixedly connected with the rack, the turning gear is engaged with the rack, the turning shaft is fixedly connected with the turning gear, the turning cylinder is used for driving the rack to move so as to drive the turning gear and the turning shaft to rotate, the turning suction block is fixedly arranged on the turning shaft, an adsorption hole is formed in the turning suction block, and the adsorption hole is communicated with the vacuum connector through a gas channel in the turning suction block and the turning shaft so as to adsorb the patch; the turnover shaft is used for driving the turnover suction block to rotate so as to turn over and place the elastic sheet adsorbed by the turnover suction block into the shell on the jig body.

7. The automatic locking device of claim 5, wherein the fixture body further comprises a proximity switch for detecting whether the housing is fixed to the fixture body.

8. The automatic locking device of claim 3, further comprising an X-direction movement mechanism and a feeding mechanism, wherein the X-direction movement mechanism is connected with the Z-direction movement mechanism for driving the Z-direction movement mechanism and the electric driver to move between the feeding mechanism and the jig assembly.

9. The automatic locking device as claimed in claim 8, wherein the feeding mechanism comprises a fixing frame, a lifting cylinder, a locking member hopper, a locking ram and a pressure sensor, the lifting cylinder and the locking part hopper are respectively and fixedly connected with two ends of the fixing frame, the output end of the lifting cylinder is connected with the locking mandril so that the locking mandril can reciprocate in the locking part hopper, the locking part hopper is used for placing a locking part, the locking ejector rod is provided with an adsorption port and is connected with the vacuum joint through a hollow channel in the locking ejector rod, the pressure sensor is used for sensing the locking ejector rod to send a signal when the locking ejector rod adsorbs the locking part so as to control the lifting cylinder to lift the locking ejector rod and then stop moving.

10. The automatic locking device as claimed in claim 9, wherein the feeding mechanism further comprises a moving cylinder, and an output end of the moving cylinder is connected to the fixed frame for controlling the position of the fixed frame in the Y direction.