CN112605655B

CN112605655B - Automatic magic cube assembly line

Info

Publication number: CN112605655B
Application number: CN202011492034.9A
Authority: CN
Inventors: 陈灿华; 黄国军; 赵子春; 朱彬彬; 许江铭
Original assignee: Guangdong Ward Precision Technology Co ltd
Current assignee: Guangdong Ward Precision Technology Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2024-06-25
Anticipated expiration: 2040-12-15
Also published as: CN112605655A

Abstract

The invention discloses an automatic magic cube assembling line which comprises a main assembling machine, a top layer assembling machine, a middle layer assembling machine, a bottom layer assembling machine and a center assembly assembling machine, wherein the top layer assembling machine, the middle layer assembling machine and the center assembly assembling machine are arranged on the peripheral side of the main assembling machine, the center assembly assembling machine is used for assembling center blocks, the center assembly is correspondingly assembled on four connecting arms perpendicular to a cross connecting shaft to form a center assembly, the middle layer assembling machine is used for respectively assembling a rib block between two adjacent center blocks on the center assembly to form a magic cube middle layer, the top layer assembling machine and the bottom layer assembling machine are respectively used for correspondingly splicing the four rib blocks and four corner blocks into a top layer and a bottom layer of the magic cube, the top layer and the bottom layer are respectively correspondingly assembled on the middle layer from the top side and the bottom side of the middle layer, and the two center blocks are correspondingly pressed on other two connecting arms of the cross connecting shaft from the reserved positions of the top layer and the bottom layer, so that the magic cube is formed.

Description

Automatic magic cube assembly line

Technical Field

The invention relates to the technical field of magic cube assembly, in particular to an automatic magic cube assembly line for assembling magic cubes.

Background

The magic cube is an intelligent toy capable of realizing color splicing of a designated surface by rotation, is generally made of plastic materials, and can be divided into a second-order magic cube, a third-order magic cube, a fourth-order magic cube and a multi-order magic cube according to different orders, wherein the third-order magic cube is a cube, each coordinate axis is divided into a top layer, a middle layer and a bottom layer, each layer can rotate freely, and the position of a small cube on the cube is changed by rotation of the layers. The main body structure of the third-order magic cube generally comprises 1 cross connecting shaft with 6 connecting arms perpendicular to each other, 6 central blocks rotatably connected to the 6 connecting arms of the cross connecting shaft, 12 prismatic blocks and 8 angular blocks, wherein the 12 prismatic blocks are clamped with the central blocks and can be in rotary fit. In the magic cube production process, the magic cubes are usually assembled layer by layer, wherein the corner blocks and the edge blocks of part of the magic cubes are correspondingly spliced by corner seats and edge seats with required shapes and sizes, the whole of the edge blocks spliced by 2 edge seats and the corner blocks spliced by 3 corner seats is relatively smaller, the accurate assembly of alignment can be realized according to a certain assembly angle, and the corner seats and the edge seats are not standard components with regular shapes, so that the assembly efficiency is low and the assembly precision cannot be effectively ensured by adopting a manual operation mode for the assembly of the corner blocks and the edge blocks at present. And when the corner blocks and the edge blocks formed by assembling are transferred to the existing equipment for assembling the middle layer, the top layer or the bottom layer, the angle adjustment and the positioning integration are needed again, so that the assembling time is prolonged, and the production efficiency is reduced.

Therefore, there is a need for an automatic magic cube assembly line that can realize automated operation, has a simple structure, and is highly accurate and efficient in assembly.

Disclosure of Invention

The invention aims to provide an automatic magic cube assembly line which can realize automatic running operation, has a simple structure and high assembly precision and is efficient.

In order to achieve the above purpose, the invention discloses an automatic magic cube assembling line, which comprises a general assembling machine, a top assembly machine, a middle assembly machine, a bottom assembly machine and a center assembly machine, wherein the top assembly machine, the middle assembly machine and the bottom assembly machine are arranged on the periphery of the general assembling machine; the central assembly machine is used for correspondingly assembling the springs and the screws on the central seat to form a central block main body, assembling a central block main body on four connecting arms which are perpendicular to the cross connecting shaft respectively, sealing the ports of the central seat through the end covers to form a central assembly, and conveying the central assembly towards the direction of the middle layer assembly machine; the middle layer assembly is used for assembling two groups of rib seats into rib blocks, and is also used for assembling one rib block between every two adjacent center blocks on the center assembly so as to form a magic cube middle layer and transmitting the middle layer towards the direction of the general assembly machine; the top layer assembling machine and the bottom layer assembling machine respectively combine two groups of the edge seats into edge blocks, respectively combine three groups of the angle seats into angle blocks, respectively combine four edge blocks and four angle blocks into a top layer and a bottom layer of the magic cube correspondingly, and respectively convey the top layer and the bottom layer towards the direction of a general assembling machine; the assembly machine is used for correspondingly assembling the top layer and the bottom layer on the middle layer from the top side and the bottom side of the middle layer respectively, is also used for correspondingly assembling the springs and the screws on the center seat to form a center block main body, and is used for correspondingly crimping the two center block main bodies on the other two connecting arms of the cross connecting shaft in a one-to-one correspondence manner from the center reserved positions of the top layer and the bottom layer, and is also used for correspondingly sealing ports of the two center seats through the two end covers to form the magic cube.

Compared with the prior art, the magic cube automatic assembly line comprises the steps of firstly assembling a spring and a screw on a center seat through a center assembly assembling machine to form a center block main body, then assembling four center block main bodies on four connecting arms of a cross connecting shaft, sealing ports of the center seat through an end cover to form a center assembly, assembling a prismatic seat into prismatic blocks through an intermediate layer assembling machine, and assembling four prismatic blocks among the center blocks of the center assembly to form a magic cube intermediate layer; the top layer assembling machine and the bottom layer assembling machine are respectively used for assembling the edge seat into the edge blocks, respectively used for assembling the corner seats into the corner blocks, and respectively used for correspondingly assembling the four corner blocks and the four edge blocks into the top layer and the bottom layer of the magic cube, so that the top layer and the bottom layer can be assembled on the middle layer by the total assembling machine, the springs and the screws are correspondingly assembled on the center seat by the total assembling machine to form a center block main body, the two center block main bodies are correspondingly pressed and connected on the other two connecting arms of the cross connecting shaft one by one at the center reserved positions of the top layer and the bottom layer, and the ports of the two center seats are correspondingly sealed by the two end covers to form the magic cube.

Preferably, the top layer assembling machine, the main assembling machine, the bottom layer assembling machine, the middle layer assembling machine and the center component assembling machine are arranged in a Y shape, a T shape or a pi shape, so that the structure can be further optimized, the layout of the whole wire is more reasonable and compact, and the length of the whole wire is effectively shortened.

Preferably, the central assembly assembling machine comprises a first rotary table, a second rotary table, a conveying device, a first assembling device, a transfer device, a rotating device, a second assembling device and a third assembling device, wherein the first rotary table, the second rotary table and the conveying device are sequentially arranged, the conveying device is provided with a first conveying belt and a second conveying belt which are parallel and are arranged at intervals, the first assembling device is arranged on the periphery side of the first rotary table, the transfer device is arranged between the first rotary table and the second rotary table, the rotating device is arranged between the transfer device and the second rotary table, the second assembling device is arranged on the periphery side of the second rotary table, and the third assembling device is arranged between the first conveying belt and the second conveying belt. The first assembling device is used for assembling the spring on the center seat and assembling the screw on the center seat in a mode of penetrating the spring so as to form a center block main body; the second assembling device is used for placing the cross connecting shaft on the second turntable, the rotating device is used for driving the cross connecting shaft to rotate, the transfer device can take and place the central block main body from the first turntable to the connecting arms of different end faces of the cross connecting shaft under the cooperation of the rotating device, and the second assembling device is also used for pressing the central block main body placed on the connecting arms until the central block main body is pressed in place, so that a central block main body is assembled on four connecting arms of the cross connecting shaft, which are perpendicular to each other, so as to form a main body of the central assembly; the first conveyor belt is used for conveying the main body of the center assembly from the second turntable to the third assembling device; the third assembling device is used for correspondingly crimping an end cover at the port of each center seat of the main body of the center assembly so as to form the center assembly; the second conveyor belt is used for conveying and discharging the central component at the third assembling device.

Preferably, the middle layer assembly comprises a third rotary table, a central component feeding device, four edge block assembling devices, a middle layer blanking device and four edge block transferring devices, wherein the central component feeding device, the four edge block assembling devices and the middle layer blanking device are arranged on the periphery of the third rotary table along the conveying direction of the third rotary table; the four edge block assembling devices are used for respectively assembling the two edge blocks into one edge block, the four edge block transferring devices are used for sequentially assembling the four edge blocks between adjacent center blocks on a center assembly in a one-to-one correspondence mode so as to form a magic cube middle layer, and the middle layer blanking device is used for taking down the middle layer from the third rotary table and transferring the middle layer towards the direction of a general installation machine.

Preferably, the edge block transferring device can do linear reciprocating motion between the edge block assembling device and the third turntable so as to take and send the edge blocks, and can drive the edge blocks to rotate for a certain angle in the taking and sending process so as to adjust the assembling angle of the edge blocks.

Preferably, the top layer assembling machine comprises a group of assembling units and two splicing units arranged on two opposite sides of the group of assembling units, each splicing unit comprises an edge block assembling device, two corner block assembling devices and a first splicing device arranged between the edge block assembling devices and the two corner block assembling devices, the group of assembling units comprises two edge block assembling devices and a second splicing device arranged between the two edge block assembling devices, the corner block assembling devices are used for assembling three corner blocks into one corner block, the edge block assembling devices are used for assembling two edge blocks into one edge block, the first splicing devices are used for splicing one edge block between the two corner blocks to form a splicing piece, and the second splicing devices are used for splicing the two edge blocks provided by the two edge block assembling devices arranged on two sides of the first splicing devices between the two splicing pieces provided by the two first splicing devices, so that the top layer of the magic cube is formed.

Preferably, the edge block assembling devices on the periphery of the first splicing device and the two corner block assembling devices are arranged in a 'delta' shape, the two edge block assembling devices on the two sides of the second splicing device are arranged in a 'one' shape, and the two first splicing devices and the second splicing device are arranged in a 'Z' shape, so that the structure can be further optimized, the whole machine is more compact, and the length of the whole production line is effectively shortened.

Preferably, the first splicing device comprises a first splicing table, a third conveying belt arranged on the first splicing table and two fourth conveying belts arranged on two opposite sides of the third conveying belt, wherein the third conveying belt is arranged between the first splicing table and the edge block assembling device and used for conveying edge blocks, and the two fourth conveying belts are correspondingly arranged between the first splicing table and the two corner block assembling devices on two sides of the first splicing table and used for conveying corner blocks; the second splicing device comprises a second splicing table, a fifth conveying belt, a sixth conveying belt and two seventh conveying belts, wherein the fifth conveying belt and the sixth conveying belt are arranged on the second splicing table in parallel at intervals, the two seventh conveying belts are arranged on two opposite sides of the fifth conveying belt, the fifth conveying belt and the sixth conveying belt are correspondingly arranged between the second splicing table and the two first splicing devices and are used for correspondingly conveying splicing pieces on the two first splicing devices, the conveying directions of the fifth conveying belt and the conveying direction of the sixth conveying belt are opposite, and the two seventh conveying belts are correspondingly arranged between the fifth conveying belt and two prismatic block assembling devices on two sides of the fifth conveying belt and are used for correspondingly conveying prismatic blocks on the two prismatic block assembling devices.

Preferably, the final assembly machine comprises a fourth turntable, an intermediate layer feeding device, a top end oiling device, a top layer feeding device, a top layer press-fitting device, a top layer forming device, a turnover device, a bottom end oiling device, a bottom layer feeding device, a bottom layer press-fitting device, a bottom layer forming device and a finished product blanking device, wherein the intermediate layer feeding device is arranged on the periphery of the fourth turntable along the conveying direction of the fourth turntable, the intermediate layer feeding device is used for taking and placing the intermediate layer onto the fourth turntable, the top end oiling device and the bottom end oiling device are used for spraying lubricating oil on the centers of the top end and the bottom end of the intermediate layer in sequence, the top layer feeding device and the bottom layer feeding device are used for respectively taking and placing the top layer and the bottom layer in sequence onto the top end and the bottom end of the oiled intermediate layer, the top layer press-fitting device and the bottom layer press-fitting device are used for sequentially pressing the two center block bodies onto the other two connecting arms of the cross connecting shafts on the intermediate layer from the center positions of the top layer and the bottom layer, and the top layer forming device and the bottom layer forming two end covers are respectively correspondingly pressed onto the ports of the center seats of the two center blocks so as to form magic cubes, and the finished product blanking device is used for taking and discharging the magic cubes from the fourth turntable.

Preferably, a plurality of assembly jigs are uniformly distributed on the fourth turntable, the assembly jigs are provided with a simulated groove corresponding to the shape of the outer contour of the middle layer, a first pre-storing area corresponding to the shape of the outer contour of the center block main body and a second pre-storing area corresponding to the shape of the outer contour of the end cover, when the top layer press-fitting device presses the center block main body onto the connecting arm at the top side end of the middle layer, the other center block main body is placed in the first pre-storing area, and when the bottom layer forming device presses an end cover onto the port of the center seat at the center position of the bottom layer, the other end cover is placed in the second pre-storing area.

Drawings

Fig. 1 is a schematic diagram of the main composition structure of the magic cube of the present invention.

Fig. 2 is a schematic plan view of the automatic magic cube assembling line of the present invention.

Fig. 3 is a schematic plan view of the center assembly machine of the present invention.

Fig. 4 is a schematic plan view of the intermediate layer assembly of the present invention.

Fig. 5 is a schematic perspective view of the rib block assembling device of the present invention.

Fig. 6 is a schematic plan view of the prism sheet transfer device of the present invention.

Fig. 7 is a schematic perspective view of an intermediate layer blanking device of the present invention.

Fig. 8 is a schematic plan view of the top layer assembly of the present invention.

Fig. 9 is a schematic structural view of a portion of the assembly of the top layer assembly of the present invention.

Fig. 10 is a schematic perspective view of the corner block assembly apparatus of the present invention.

Fig. 11 is a schematic plan view of the general assembling machine of the present invention.

Fig. 12 is a schematic plan view of the assembly fixture of the present invention.

Fig. 13 is a schematic perspective view of the tip oiling device of the present invention.

Fig. 14 is a schematic perspective view of a top layer feeding device according to the present invention.

Fig. 15 is a schematic perspective view of a top layer forming apparatus of the present invention.

Detailed Description

In order to describe the contents, construction features, achieved objects and effects of the present invention in detail, the following description is made with reference to the accompanying drawings.

Referring to fig. 1, the present application relates to an assembly of a cube 200, in which the cube 200 is a three-stage cube, and mainly includes 1 cross connecting shaft 300 having 6 connecting arms 301, 6 center blocks 400 rotatably connected to the 6 connecting arms 301 of the cross connecting shaft 300, 12 corner blocks 500 and 8 corner blocks 600 clamped with the center blocks 400 and rotatably matched with each other. The 6 connecting arms 301 are vertically arranged in two pairs in the triaxial direction, the corner block 600 is a small cube located at 8 corners, the edge block 500 is a small cube located at the middle position of 12 sides, the center block 400 is a small cube located at the center of 6 sides, the edge blocks 500 are clamped between two adjacent center blocks 400, and the corner block 600 is clamped between three adjacent edge blocks 500. In the application, the middle layer 202 is formed by splicing a cross connecting shaft 300, 4 center blocks 400 and 4 edge blocks 500, and the 4 center blocks 400 are rotatably connected to 4 connecting arms 301 in two directions of the cross connecting shaft 300, so as to form a center assembly 700,4, and the edge blocks 500 are correspondingly rotatably clamped between the center blocks 400 on the center assembly 700. The center block 400 includes a center seat 401, a spring 402 telescopically clamped in the center seat 401 from one side of the center seat 401 having a port 4011 to the other side of the center seat 401, a screw 403 assembled on the center seat 401 and penetrating the spring 402, and an end cover 404 fastened on the center seat 401 to close the port 4011. One end of the screw 403 is clamped in the center seat 401, and the other end of the screw 403 is rotatably connected with the connecting arm 301 of the cross connecting shaft 300, so that the center block 400 can make telescopic movement close to or far from the connecting arm 301 and rotary movement relative to the connecting arm 301 by the screw 403 and the spring 402.

Specifically, the top layer 201 and the bottom layer 203 have the same structure, and are formed by splicing 1 central block 400 and 4 corner blocks 500 and 4 corner blocks 600 located on the peripheral side thereof, wherein the central block 400 is used for correspondingly connecting with the other 2 connecting arms 301 on the central assembly 700, and the corner blocks 500 and the corner blocks 600 are arranged at intervals in the circumferential direction of the central block 400. The prism block 500 is formed by inserting two identical prism seats 501 in pairs through concave-convex matching insertion structures, wherein two opposite sides of the insertion end of each prism seat 501 are respectively provided with a matched insertion hole and an insertion rod, so that the insertion rod of the insertion end of the other prism seat 501 can be correspondingly inserted with the insertion hole to form the prism block 500, and the prism block 500 formed by assembly is a cube with a clamping part 500a so as to realize rotatable assembly. The corner block 600 is formed by inserting 3 identical corner seats 601 from two pairs in three directions through concave-convex matched inserting structures, specifically, two opposite sides of an inserting end of each corner seat 601 are respectively provided with matched inserting holes and inserting plates, so that the corner block 600 can be formed by corresponding inserting connection with the inserting plates and inserting holes of the two corner seats 601 positioned at two sides of each corner seat, and the corner block 600 formed by assembling is a cube with a clamping part 600a so as to realize rotatable assembling.

Referring to fig. 1 and 2, the present invention discloses an automatic magic cube assembling line 100, which is suitable for assembling the magic cubes 200, and the automatic magic cube assembling line 100 provided by the preferred embodiment of the present invention includes a general assembling machine 50, an intermediate layer assembling machine 20, a top layer assembling machine 30, a bottom layer assembling machine 40, and a center component assembling machine 10 disposed beside the intermediate layer assembling machine 20. The center assembly machine 10 is used for correspondingly assembling the springs 402 and the screws 403 on the center seat 401 to form the center block main body 400a, crimping a center block main body 400a on the four connecting arms 301 perpendicular to the cross connecting shaft 300, and closing the ports 4011 of the corresponding center seats 401 of the four center block main bodies 400a through the four end caps 404, thereby forming a center assembly 700 while completing the assembly of the four center blocks 400, and conveying the center assembly 700 toward the direction of the middle assembly machine 20. The middle layer assembling machine 20 is used for receiving the central assembly 700 transmitted by the central assembly assembling machine 10, assembling two sets of the edge seats 501 into the edge blocks 500, assembling one edge block 500 between two adjacent central blocks 400 on the central assembly 700 respectively, so as to form the middle layer 202 of the magic cube 200, and transmitting the middle layer 202 towards the direction of the general assembling machine 50. The top layer assembling machine 30 and the bottom layer assembling machine 40 respectively combine two of the prism seats 501 into prism blocks 500, respectively combine three of the angle seats 601 into angle blocks 600, respectively combine four angle blocks 600 and four prism blocks 500 into a whole in an alternating arrangement manner so as to correspondingly form the top layer 201 and the bottom layer 203 of the magic cube 200, and respectively convey the top layer 201 and the bottom layer 203 towards the direction of the assembling machine 50. The assembly machine 50 is used for receiving the middle layer 202, the top layer 201 and the bottom layer 203 correspondingly transmitted by the middle layer assembly machine 20, the top layer assembly machine 30 and the bottom layer assembly machine 40, correspondingly assembling the received top layer 201 and the received bottom layer 203 on the middle layer 202 from the top side and the bottom side of the middle layer 202 respectively, correspondingly assembling the springs 402 and the screws 403 on the center seat 401 to form a center block main body 400a, correspondingly crimping the two center block main bodies 400a on the other two connecting arms 301 of the cross connecting shaft 201 of the middle layer 202 from the center reserved positions of the top layer 201 and the bottom layer 203, correspondingly closing the ports 4011 of the corresponding center seat 401 on the two center block main bodies 400a through the two end covers 404, and forming a magic cube 200 while completing the assembly of the two center blocks 400. Preferably, the assembly machine 50 can also spray lubricant on the centers of the top side end and the bottom side end of the received intermediate layer 202, so as to improve the smoothness of rotation of the assembled magic cube 200 and prolong the service life of the magic cube 200.

Specifically, the center assembly machine 10, the middle layer assembly machine 20, the top layer assembly machine 30, the bottom layer assembly machine 40 and the final assembly machine 50 are arranged in a shape of a Y, a shape of a T or a shape of a pi, so that the layout of the whole production line is more reasonable and compact, and the length of the whole production line is effectively shortened. It should be noted that, the automatic magic cube assembling line 100 of the present invention further includes a control system electrically connected to the central assembly machine 10, the middle assembly machine 20, the top assembly machine 30, the bottom assembly machine 40, and the final assembly machine 50 for controlling coordinated actions among the machines. The control system is designed in the prior art, and its structure and control principle are well known in the art, so they will not be described in detail herein.

Referring to fig. 3, in the preferred embodiment of the present invention, the center assembly machine 10 includes a first turntable 11, a second turntable 12, a conveyor 13 having a first conveyor belt 131 and a second conveyor belt 132 arranged in parallel and at intervals, a first assembling device 14 provided on the peripheral side of the first turntable 11, a transfer device 15 provided between the first turntable 11 and the second turntable 12, a rotating device 16 provided between the transfer device 15 and the second turntable 12, a second assembling device 17 provided on the peripheral side of the second turntable 12, and a third assembling device 18 provided between the first conveyor belt 131 and the second conveyor belt 132. The conveying device 13 further includes a first transferring device 133 disposed between the second turntable 12 and the first conveyor belt 131, and a second transferring device 134 disposed above the third assembling device 18 and between the first conveyor belt 131 and the second conveyor belt 132. The first assembling device 14 is used for automatically feeding the center seat 401, the spring 402 and the screw 403, assembling the spring 402 to the center seat 401, and assembling the screw 403 to the center seat 401 in a manner of penetrating the spring 402 to form the center block main body 400a. The second assembling device 17 is used for automatically feeding the cross connecting shaft 300, placing the cross connecting shaft 300 on the second turntable 12, the rotating device 16 is used for driving the cross connecting shaft 300 to rotate, the transferring device 15 can take and place the center block main body 400a on the connecting arms 301 of different end faces of the cross connecting shaft 300 on the second turntable 12 through the first turntable 11 under the cooperation of the rotating device 16, and the second assembling device 17 is also used for pressing the center block main body 400a placed on the connecting arms 301 until the center block main body 400a is pressed and assembled in place, so that a center block main body 400a can be assembled on four connecting arms 301 perpendicular to the cross connecting shaft 300 respectively to form the main body of the center assembly 700. The first conveyor belt 131 is used to transfer the main body of the center assembly 700 from the second turntable 12 to the third assembling device 18, and specifically, the first transfer device 133 transfers the main body of the center assembly 700 from the second turntable 12 onto the first conveyor belt 131. The third assembly device 18 is used for automated loading of end caps 404 and crimping an end cap 404 at each port 4011 of each hub 401 of the body of the center assembly 700 to form the center assembly 700. The second conveyor belt 132 is used to convey the center assembly 700 at the third assembly device 18 toward the middle layer assembly 20, and specifically, the second transfer device 134 is used to take the center assembly 700 from the third assembly device 18 onto the second conveyor belt 132 for conveyance. The center assembly machine 10 of the invention accurately positions and conveys the center assembly by the double turntables and the double conveyor belts, has reasonable and compact layout of each station, effectively reduces the volume of a single machine, further shortens the length of the whole production line, can realize automatic line production of the assembly of the center assembly 700, and effectively improves the assembly efficiency and the assembly precision.

Specifically, the first assembling device 14 includes a center seat feeding mechanism 141, a spring assembling mechanism 142, a screw assembling mechanism 143, and a discharging mechanism 144 sequentially arranged along the conveying direction of the first turntable 11, the second assembling device 17 includes a cross connecting shaft feeding mechanism 171 and a pressing mechanism 172 sequentially arranged along the conveying direction of the second turntable 12, and the third assembling device 18 includes four end cover feeding mechanisms 181 and four assembling mechanisms 182 arranged in a one-to-one correspondence. In the present embodiment, a plurality of first jigs 111 are uniformly distributed on the first turntable 11, a plurality of second jigs 121 are uniformly distributed on the second turntable 12, the center seat feeding mechanism 141 pushes every six center seats 401 provided by the vibration material tray 1411 onto the first jigs 111 turned to the station in a group, the spring assembling mechanism 142 clamps the six springs 402 provided by the vibration material tray 1421 into the six center seats 401 one by one at a time, the screw assembling mechanism 143 connects the six screws 403 provided by the vibration material tray 1431 onto the six center seats 401 one by one in a penetrating manner in the springs 402 at a time, Thereby forming six center block bodies 400a, and the blanking mechanism 144 is used for transferring the six center block bodies 400a from the first rotating disc 11 to the position of the transferring device 15; Meanwhile, the cross connecting shaft feeding mechanism 171 transfers the six cross connecting shafts 300 provided by the vibration material disc 1711 to the second jig 121 which is turned to the station, the transfer device 15 places the six center block main bodies 400a on the connecting arms 301 opposite to the six cross connecting shafts 300 in a one-to-one correspondence manner, and the pressing mechanism 172 presses the six center block main bodies 400a in place at the same time so as to be rotatably clamped on the corresponding connecting arms 301; After that, the rotating device 16 simultaneously removes and rotates the six cross connecting shafts 300 from the second jig 121 by 90 °, then puts the six cross connecting shafts 300 back into the second jig 121 with the connecting arms 301 of the other end face upward, the transfer device 15 just places the other group of six center block bodies 400a on the connecting arms 301 of this end face, then the press-fitting action is repeated by the press-fitting mechanism 172 to achieve press-fitting of the center block bodies 400a on the six connecting arms 301 of the second end face of the six cross connecting shafts 300, and the press-fitting of the corresponding center block bodies 400a on the connecting arms 301 of the four end faces of the six cross connecting shafts 300 is completed three times, to form the body of six center assemblies 700 with screws 403 press-fit into place; The main bodies of the six center units 700 are taken and placed on the first conveyor belt 131 by the second turntable 12 by the first transfer device 133 so as to be transferred toward the third assembling device 18; the second transfer device 134 takes and places the main bodies of the center assemblies 700 on the first conveyor belt 131 into the third jig 183 positioned at the center positions of the four assembling mechanisms 182 one by one, the four end cover feeding mechanisms 181 respectively convey the four end covers 404 provided by the four vibration trays 1811 towards the directions of the four assembling mechanisms 182 correspondingly arranged, and the four assembling mechanisms 182 synchronously press-connect the 4 end covers 404 to the ports 4011 of the four center seats 401 of the main bodies of the center assemblies 700 to form the center assemblies 700; The second transfer device 134 then picks up the center assembly 700 from the third jig 183 onto the second conveyor 132, and transfers it toward the intermediate layer assembly 20.

Referring to fig. 4 to 7, the intermediate layer assembling device 20 includes a third turntable 21, a central component feeding device 22 arranged on the peripheral side of the third turntable 21 along the conveying direction of the third turntable 21, four edge block assembling devices 23, an intermediate layer discharging device 24, and four edge block transferring devices 25 arranged between the third turntable 21 and the four edge block assembling devices 23 in a one-to-one correspondence manner, wherein the central component feeding device 22 is used for taking and placing the central component 700 conveyed by the central component assembling device 10 onto the third turntable 21; the four edge block assembling devices 23 are respectively used for assembling two edge seats 501 into an edge block 500, the four edge block transferring devices 25 are sequentially used for assembling the four edge blocks 500 at the four edge block assembling devices 23 between adjacent center blocks 400 on a center assembly 700 in a one-to-one correspondence manner so as to form an intermediate layer 202 of the magic cube 200, and the intermediate layer blanking device 24 is used for removing the intermediate layer 202 from the third turntable 21 and transferring the intermediate layer to the direction of the assembling machine 50. According to the invention, the intermediate layer assembly 20 is accurately positioned and conveyed through the third turntable 21, so that the layout of each station is reasonable and compact, the single machine volume is effectively reduced, the length of the whole production line is further shortened, the automatic line production of assembly of the intermediate layer 202 can be realized, and the assembly efficiency and the assembly precision are effectively improved. Specifically, a plurality of fourth jigs 211 are uniformly distributed on the third turntable 21, the fourth jigs 211 are provided with imitation grooves corresponding to the shape of the outer contour of the middle layer 202, the number of the fourth jigs 211 corresponds to the number of devices arranged on the periphery of the third turntable 21, and in this embodiment, the number of the fourth jigs 211 is six. The feeding clamping jaw of the central component feeding device 22 is driven by the feeding mechanism connected with the feeding clamping jaw to linearly move along the direction parallel to and perpendicular to the conveying direction of the second conveying belt 132, so as to take and place the central component 700 conveyed on the second conveying belt 132 on the fourth jig 211. In addition, when the center assembly 700 is placed in the profiling groove of the fourth jig 211, the taking-and-sending clamping jaw of the center assembly feeding device 22 can also press the upper end surface of the center assembly 700, so as to adjust the flatness of the four center blocks 400, so that the subsequent edge blocks 500 can be assembled.

Referring to fig. 4 and 5, in the present embodiment, the prism assembly device 23 includes two parallel and spaced-apart prism vibration trays 231 and two prism profiling jigs 232 disposed at positions of the two prism vibration trays 231 corresponding to the discharge ports 2311, wherein the end portions of the prism profiling jigs 232 have accommodating grooves 2321 matching the outer contour of the prism 501, and vacuum suction cups (not shown due to shielding) for fixing the prism 501 are disposed in the accommodating grooves 2321. The two-edge seat profiling jig 232 can do linear motion approaching or separating from each other, correspondingly pushing the two-edge seat 501 received by the two discharge holes 2311 to a splicing position positioned at the middle position of the two-edge seat profiling jig 232 in opposite directions for splicing, so as to form a edge block 500. Specifically, the two-edge seat profiling jigs 232 are connected with the two linear cylinders 233 in a one-to-one correspondence manner, so as to reciprocate linearly along a direction perpendicular to the feeding direction of the edge seat vibration tray 231 under the driving of the linear cylinders 233. Preferably, the prism block assembling device 23 further includes two blocking members 234 disposed beside the two prism block profiling jigs 232 in a one-to-one correspondence manner, and a blocking cylinder 235 correspondingly connected to the two blocking members 234, wherein the blocking cylinder 235 can drive the blocking member 234 connected to the blocking member to do linear reciprocating motion close to or far away from the prism block profiling jigs 232, so as to abut against the prism block 501 from the outer side of the prism block profiling jigs 232, prevent the prism block profiling jigs from falling accidentally, and play a role in alignment adjustment to a certain extent.

Referring to fig. 4 and 6, in the present embodiment, the prism transporting device 25 can reciprocate linearly between the prism assembly device 23 and the third turntable 21 to translate the prism 500 assembled at the prism assembly device 23 onto the third turntable 21. In addition, in the transferring process, the prism transferring device 25 may further rotate the prism 500 by a certain angle to adjust the assembling angle of the prism 500, specifically by 90 °, so as to adjust the prism 500 assembled by the prism assembling device 23 and placed vertically to be placed horizontally and horizontally, so as to be assembled on the center assembly 700. Specifically, the prism transporting device 25 includes a bracket 251, a linear module 252 mounted on the bracket 251, a vacuum chuck 253 and a pneumatic clamping jaw 254 connected to an output end of the linear module 252, and a rotating mechanism 255 mounted between the prism assembling device 23 and the third turntable 21, wherein the linear module 252 can drive the vacuum chucks 253 and the pneumatic clamping jaw 254 to move synchronously, the pneumatic clamping jaw 254 is used for transporting the prism 500 assembled at the prism assembling device 23 to the rotating mechanism 255, the rotating mechanism 255 clamps the prism 500 and rotates it by 90 °, and the vacuum chucks 253 are used for transporting the prism 500 with the prescription of the rotating mechanism 255 adjusted to the fourth jig 231. The linear module 252 includes a linear cylinder 2521 mounted on the bracket 251, linear cylinders 2522 and 2523 connected to the output end of the linear cylinder 2521 at intervals, a chuck cylinder 2524 connected to the output end of the linear cylinder 2522, and a jaw cylinder 2525 connected to the corresponding output end of the linear cylinder 2523. The vacuum chuck 253 and the pneumatic clamping jaw 254 are driven by the linear cylinder 2521 to move relatively close to or far away from the third turntable 23, the vacuum chuck 253 and the pneumatic clamping jaw 254 are driven by the linear cylinder 2522 and the linear cylinder 2523 respectively to move linearly along the vertical direction so as to be close to the prism block 500, and the suction chuck cylinder 2524 and the clamping jaw cylinder 2525 correspondingly connected with each other are driven by each other to suck and clamp the prism block 500. Of course, in other embodiments, when the prism blocks 500 assembled at the prism block assembling device 23 are horizontally arranged, the rotation mechanism 255 and the pneumatic clamping jaw 254 can be omitted without adjusting the direction.

Referring to fig. 4 and 7, in the present embodiment, when the intermediate layer 202 is transferred by the intermediate layer blanking device 24, the center assembly 700 of the intermediate layer 202 and the four edge blocks 500 are positioned at the same time, so that displacement in the transfer process is prevented, and the accuracy of subsequent assembly is improved. Specifically, the middle layer blanking device 24 includes a support 241, a linear cylinder 242 mounted on the support 241, a linear cylinder 243 connected to an output end of the linear cylinder 242, a rotary cylinder 244 connected to an output end of the linear cylinder 243, a pneumatic clamping jaw 245 and a vacuum chuck 246 connected to an output end of the rotary cylinder 244, four vacuum chucks 246 are disposed at a peripheral side of the pneumatic clamping jaw 245, the pneumatic clamping jaw 245 is used for clamping the center assembly 700, the four vacuum chucks 246 correspondingly suck the four edge blocks 500, the linear cylinder 242 is used for driving the pneumatic clamping jaw 245 and the vacuum chucks 246 to drive the middle layer 202 to move between the third turntable 21 and the assembling machine 50, the linear cylinder 243 is used for driving the pneumatic clamping jaw 245 and the vacuum chucks 246 to linearly move along a vertical direction so as to take and place the middle layer 202, and the rotary cylinder 244 is used for driving the pneumatic clamping jaw 245 and the vacuum chucks 246 to drive the middle layer 202 to rotate by a certain angle, so that the middle layer 202 taken down by the third turntable 21 is transferred towards the assembling machine 50 at a proper assembly angle.

Referring to fig. 8 to10, in the preferred embodiment of the present application, the top layer assembling machine 30 includes a set of assembling units 31 and two splicing units 32 disposed on opposite sides of the set of assembling units 31, each splicing unit 32 includes a prism block assembling device 33, two corner block assembling devices 34, and a first splicing device 35 disposed between the prism block assembling device 33 and the two corner block assembling devices 34, and the set of assembling units 31 includes two prism block assembling devices 33 and a second splicing device 36 disposed between the two prism block assembling devices 33. The corner block assembling device 34 is used for assembling three corner blocks 601 into a corner block 600, the corner block assembling device 33 is used for assembling two corner blocks 501 into a corner block 500, and the first splicing device 35 is used for splicing the corner block 500 between the two corner blocks 600 to form a splicing piece 800; the second splicing device 36 is used for splicing the two prism blocks 500 provided by the two prism block assembling devices 33 disposed at two sides of the second splicing device between the two splicing pieces 800 provided by the two first splicing devices 35, so as to form the top layer 201 of the magic cube 200. The top layer assembly machine 30 has a simple structure, reasonable and compact layout, can realize automatic line production of assembly of the top layer 201 of the magic cube 200, and effectively improves assembly efficiency and assembly precision. It should be noted that, the top layer assembling machine 30 of the present application is mainly used for splicing the corner blocks 500 and the corner blocks 600 of the top layer 201 of the cube 200, while the center block 400 located at the center of the top layer 200 is not yet assembled, but is just reserved with an installation position, and the assembly is completed in the final assembly machine 50, i.e. after the top layer 201 spliced by the machine is assembled on the middle layer 202 with the center assembly 700, the center block 400 is correspondingly assembled. Specifically, when the prism blocks 500 and the corner blocks 600 are spliced, the corresponding joint portions 500a and 600a are assembled with a certain directivity, so that in order to achieve efficient assembly, in this embodiment, the second splicing device 36 can splice the two prism blocks 500 and the splicing element 800 on one side first, and splice the splicing element 800 on the other side on the two prism blocks 500, so that the assembly process is smoother. In addition, in order to simplify the structure, in the present application, the structure and the working principle of the bottom layer assembling machine 40 and the top layer assembling machine 30 are the same, and the assembled top layer 201 and the bottom layer 203 are only different from each other in the assembling position of the middle layer 202, so that a detailed description thereof will not be given.

Referring to fig. 8, in the preferred embodiment of the present invention, the edge block assembling devices 33 and the two corner block assembling devices 34 on the peripheral side of the first splicing device 35 are arranged in a "delta" shape, the two edge block assembling devices 33 on the two sides of the second splicing device 36 are arranged in a "one" shape, and the two first splicing devices 35 and the one second splicing device 36 are arranged in a "Z" shape, so as to optimize the structure, facilitate accurate butt joint between the edge seats 501, between the corner seats 601, between the edge block 500 and the two corner blocks 600, and between the two first splicing members 800 and the two corner blocks 500, and make the whole structure more compact, effectively shorten the moving stroke between the devices, and further improve the assembly efficiency.

Referring to fig. 8 and 9, in the preferred embodiment of the present invention, the first splicing device 35 includes a first splicing table 351, a third conveyer belt 352 disposed on the first splicing table 351, and two fourth conveyer belts 353 disposed on opposite sides of the third conveyer belt 352, the third conveyer belt 352 being disposed between the first splicing table 351 and the edge block assembling device 33 for conveying the edge block 500, the two fourth conveyer belts 353 being disposed between the first splicing table 351 and the two corner block assembling devices 34 on opposite sides thereof in a one-to-one correspondence for conveying the corner block 600; the second splicing device 36 includes a second splicing table 361, a fifth conveying belt 362 and a sixth conveying belt 363 arranged on the second splicing table 361 in parallel and spaced apart, and two seventh conveying belts 364 disposed on opposite sides of the fifth conveying belt 362, the fifth conveying belt 362 and the sixth conveying belt 363 being disposed between the second splicing device 36 and the first splicing devices 35 on both sides in correspondence, for the corresponding transfer of the splice 800 on the two first splicing devices 35, and the fifth conveying belt 362 and the sixth conveying belt 363 being opposite in transfer direction, the two seventh conveying belts 364 being disposed between the two edge block assembling devices 33 on both sides and the fifth conveying belt 362 in correspondence, for the corresponding transfer of the edge blocks 500 on the two edge block assembling devices 33.

Referring to fig. 8 and 10, in a preferred embodiment of the present invention, the corner block assembling device 34 includes three corner seat vibration trays 341 arranged at 120 ° intervals and three corner seat profiling jigs 342 arranged at the discharge ports 3411 of the three corner seat vibration trays 341 in a one-to-one correspondence manner, the end portions of the corner seat profiling jigs 342 have accommodating grooves 3421 matching with the shape of the outer contour of the corner seats 601, vacuum suction cups (not shown in the figure due to shielding) for fixing the corner seats 601 are provided in the accommodating grooves 3421, and the three corner seat profiling jigs 342 can do linear motion approaching or moving away from each other, correspondingly push the three corner seats 601 received by the three discharge ports 3411 to approach each other for plugging, thereby forming a corner block 600. Specifically, three linear guide rails 343 are arranged at the discharge ports 3411 of the three corner seat vibration trays 341 in a one-to-one correspondence, the linear guide rails 343 are arranged along a direction perpendicular to the feeding direction of the corresponding corner seat vibration trays 341, and three corner seat profiling jigs 342 are slidably arranged on the three linear guide rails 343 in a one-to-one correspondence and are connected with three linear cylinders 344 in a one-to-one correspondence. The three linear cylinders 344 correspondingly drive the corner seat profiling jigs 342 connected with the three linear cylinders to slide on the corresponding linear guide rails 343, so that the three corner seat profiling jigs 342 push the three corner seats 601 received at the three discharge holes 3411 to the docking station from three directions for docking, wherein the docking station is positioned at the center position of the three discharge holes 3411. Preferably, the corner block assembling device 34 further includes three blocking members 345 disposed beside the three corner seat profiling jigs 342 in a one-to-one correspondence, and the three blocking members 345 can make a linear reciprocating motion close to or far from the corner seat profiling jigs 342 under the driving of three blocking cylinders 346 correspondingly connected, so as to abut against the corner seat 601 from the outer side of the corner seat profiling jigs 342, prevent the corner seat profiling jigs 342 from falling accidentally, and play a role in alignment adjustment to a certain extent. In order to simplify the structure, the structure and the operation principle of the prism block assembling device 33 of the present invention are substantially the same as those of the prism block assembling device 23 of the intermediate layer assembling device 20, and will not be described in detail here.

Referring to fig. 2 and 11 to 15, in a preferred embodiment of the present invention, the assembling machine 50 includes a fourth turntable 51, and an intermediate layer feeding device 52, a top oiling device 53, a top layer feeding device 54, a top press-fitting device 55, a top forming device 56, a turning device 57, a bottom oiling device 58, a bottom layer feeding device 59, a bottom press-fitting device 60, a bottom forming device 61, and a finished product discharging device 62, which are disposed at the peripheral side of the fourth turntable 51 in the conveying direction of the fourth turntable 51. The middle layer feeding device 52 is used for taking and placing the middle layer 202 onto the fourth turntable 51, the top end oiling device 53 and the bottom end oiling device 58 spray lubricating oil at the centers of the top end and the bottom end of the middle layer 202 successively, the top layer feeding device 54 and the bottom layer feeding device 59 respectively take and place the top layer 201 and the bottom layer 203 onto the top end and the bottom end of the oiled middle layer 202 correspondingly, the top layer press-fitting device 55 and the bottom layer press-fitting device 60 respectively press-fit two center block bodies 400a onto the other two connecting arms 301 of the cross connecting shaft 300 on the middle layer 202 correspondingly from the reserved positions of the centers of the top layer 201 and the bottom layer 203, the top layer forming device 56 and the bottom layer forming device 61 respectively press-fit the two end covers 404 onto the ports 4011 of the center seats 401 of the two center block bodies 400a to form the magic cube 200, the turning device 57 is used for turning the middle layer 202 assembled by 180 degrees after the top layer 201 is assembled so that the bottom layer 203 is assembled, and the finished product blanking device 62 is used for taking the magic cube 200 off the fourth turntable 51 to discharge.

Referring to fig. 2 and 11, specifically, the assembling machine 50 further includes an eighth conveyor belt 63, a ninth conveyor belt 64, a tenth conveyor belt 65, and an eleventh conveyor belt 66, where the eighth conveyor belt 63 is disposed between the intermediate layer assembling device 20 and the intermediate layer feeding device 52, and is used for conveying the intermediate layer 202 therebetween; the ninth conveyer belt 64 is arranged between the top layer assembly 30 and the top layer feeding device 54 and is used for conveying the top layer 201 between the top layer assembly 30 and the top layer feeding device 54; the tenth conveyor belt 65 is disposed between the bottom layer assembling device 40 and the bottom layer feeding device 59, and is used for conveying the bottom layer 203 therebetween; the eleventh conveyor 66 is provided beside the finished product blanking device 62 for transferring the assembled magic cube 200.

Referring to fig. 11 and 12, in particular, in the present embodiment, a plurality of assembly jigs 511 are uniformly distributed on the fourth turntable 51, and the assembly jigs 511 are provided with a profiling groove 5111 corresponding to the shape of the outer contour of the middle layer 202, a first pre-storing area 5112 corresponding to the shape of the outer contour of the center block main body 400a, and a second pre-storing area 5113 corresponding to the shape of the outer contour of the end cover 404. The center block assembly device 67 is only required to be arranged beside the top layer press-fitting device 55, the center block assembly device 67 correspondingly connects two springs 402 and two screws 403 to the two center seats 401 each time to form two center block main bodies 400a, when the top layer press-fitting device 55 presses one center block main body 400a to the connecting arm 301 at the top side end of one middle layer 202 each time, the other center block main body 400a is stored in the first pre-storing area 5112, so that when the stored center block main body 400a rotates to the bottom layer press-fitting device 60 along with the fourth turntable 51, the bottom layer press-fitting device 60 directly removes and presses the stored center block main body 400a to the connecting arm 301 of the middle layer 202 with the turned bottom end upwards, and the center block assembly device 67 is not required to be arranged at the bottom layer press-fitting device 60, thereby optimizing the structure and effectively balancing the production line. The structure of the center block assembly device 67 is substantially the same as the structure and operation principle of the first assembly device 14 in the center block assembly machine 10 for simplifying the structure, and the main difference is that only two center block main bodies 400a need to be assembled at a time. Similarly, only the end cap feeding device 68 is disposed at the side of the bottom layer forming device 61, when the bottom layer forming device 61 presses one end cap 401 provided by one vibration tray 681 onto the port 4011 of the center seat 401 facing upwards each time, another end cap 404 provided by another vibration tray 681 is stored in the second pre-storing area 5113, so that when the stored end cap 404 rotates to the top layer forming device 56 along with the fourth turntable 51, the top layer forming device 56 directly removes the stored end cap 404 to press onto the port 4011 of the center seat 401 at the top end of the other middle layer 202, and thus the end cap feeding device 68 does not need to be disposed at the top layer forming device 56, thereby optimizing the structure, effectively balancing the production line, and the center block assembling device 67 and the end cap feeding device 68 are separately disposed at the opposite sides of the fourth turntable 51, so that the layout of the total loader 50 is more reasonable.

Referring to fig. 11 and 13, when the intermediate layer 202 is transferred from the eighth conveyor belt 63 to the assembly jig 511, the intermediate layer feeding device 52 also positions the center assembly 700 of the intermediate layer 202 simultaneously with the four edge blocks 500 to prevent displacement during transfer, thereby improving accuracy of subsequent assembly. The structure of the intermediate layer blanking device 24 may be the same as that of the intermediate layer assembling device 20, so that the structure is simplified and will not be described again. Specifically, in the present embodiment, the top oiling station 53 and the bottom oiling station 58 are basically identical in structure and operation, except for the positions where the opposite intermediate layer 202 is sprayed. Taking the top oiling device 53 as an example for illustration, the device specifically comprises a mounting frame 531, a linear cylinder 532 which is arranged on the mounting frame 531 and has an adjustable height, a spray head 533 which is connected to the output end of the linear cylinder 532, and an oil storage barrel 534 which is communicated with the spray head 533 to supply oil to the spray head 533, wherein the linear cylinder 532 can drive the spray head 533 to move up and down in a straight line to approach the middle layer 202, so that lubricating oil is sprayed on the center position of the middle layer 202, the smoothness of the rotation of the magic cube 200 is improved, the components which are connected in a rotating way are effectively protected, and the service life of the magic cube 200 is prolonged.

Referring to fig. 11 and 14, in particular, in this embodiment, the top layer feeding device 54 and the bottom layer feeding device 59 have basically the same structure and working principle, and are different in components and assembling positions transferred with respect to the middle layer 202. Taking the top layer feeding device 54 as an example for illustration, it includes a bracket 541, a linear cylinder 542 installed on the bracket 541, a lifting cylinder 543 connected to the output end of the linear cylinder 542, a rotary cylinder 544 connected to the output end of the lifting cylinder 543, and a vacuum chuck 545 connected to the output end of the rotary cylinder 542, where the linear cylinder 542 and the lifting cylinder 543 are used to drive the vacuum chuck 545 to linearly reciprocate and linearly move up and down between the assembly fixture 511 and the ninth conveyor belt 64, so as to take and send the top layer 201, and the rotary cylinder 542 is used to drive the top layer 201 to rotate to be accurately aligned and placed in the profiling groove 5111.

Referring to fig. 11, 12 and 15, specifically, in this embodiment, the top layer forming device 56 includes a support 561, a linear cylinder 562 mounted on the support 561, a lifting cylinder 563 connected to an output end of the linear cylinder 562, and a vacuum chuck 564 connected to an output end of the lifting cylinder 563, where the linear cylinder 562 and the lifting cylinder 563 are used to drive the vacuum chuck 564 to reciprocate linearly and move up and down between the second pre-storing area 5113 and the profiling groove 5111 of the final assembly fixture 511, so as to take the stored end cap 404 off and buckle onto the port 4011 of the center seat 401 on the top side, so as to complete the assembly of the top layer 201. The bottom layer forming device 61 is different from the top layer forming device 56 in that the main body of the bottom layer forming device 61 only needs to draw an end cover 404 from a vibration tray 681 at the side of the bottom layer forming device 61 each time and buckle the end cover onto a port 4011 of the center seat 401 with the bottom layer 203 upwards after being turned over, so as to complete the assembly of the bottom layer 203, and complete the assembly of the whole magic cube 200; while the branch 611 of the bottom layer forming device 61 is integrally connected with the bottom layer press-fitting device 60, when the bottom layer press-fitting device 60 takes the central block main body 400a stored in the first pre-storing area 5112 onto the connecting arm 301 of the middle layer 202 with the turned bottom layer 203 facing upwards and presses it in place, the branch 611 of the bottom layer forming device 61 sucks an end cover 404 from the vibration tray 681 near the bottom layer press-fitting device 60, and places it in the second pre-storing area 5113 for storage. Preferably, in order to accommodate the height difference between the top layer 201 and the bottom layer 203, the assembly fixture 511 can move up and down linearly relative to the fourth turntable 51, so as to achieve the translational assembly of the stored center block main body 400a and the end cover 404 according to the height difference, and simplify the movement control procedure of the top layer forming device 56 and the bottom layer forming device 61. Specifically, the assembly fixture 511 includes a bottom plate 5114 connected to the fourth turntable 51, a lifting plate 5115 liftably mounted on the bottom plate 5114, and a lifting member (not shown) connected between the bottom plate 5114 and the lifting plate 5115 to drive the lifting plate 5115 to move up and down in a straight line, wherein the profiling groove 5111 is disposed on the lifting plate 5115, and the first pre-storing area 5112 and the second pre-storing area 5113 are disposed on the bottom plate 5114 and located at two sides of the lifting plate 5115.

Preferably, the assembling machine 50 further comprises a detecting device 69, the detecting device 69 is arranged between the bottom layer forming device 61 and the finished product blanking device 62, the detecting device 69 clamps the top layer 201 through clamping jaws and drives the top layer 201 to rotate relative to the middle layer 202, and clamps the middle layer 202 and the top layer 201 through clamping jaws and drives the middle layer 202 and the top layer 201 to rotate relative to the bottom layer 203, so that whether the magic cube 200 can rotate smoothly is detected. The detected magic cube 200 is removed from the fourth turntable 51 by the finished product blanking device 62 and transferred to the eleventh conveyor 66, and is moved out of the machine by the eleventh conveyor 66, so that the magic cube is discharged from the production line.

The following describes the working principle of the automatic magic cube assembly line 100 according to the present invention with reference to fig. 1 to 15:

After the equipment is started, under the instruction of a control system, the central assembly machine 10 acts, and the first assembly device 14 assembles 6 springs 402, 6 screws 403 and 6 center seats 401 into 6 center block main bodies 400a at the first turntable 11 each time; the 6 center block main bodies 400a are pressed and connected with 6 connecting arms 301 on the same end face of the 6 cross connecting shafts 300 in a one-to-one correspondence manner at the second turntable 12 through the second assembling device 17; then, the 6 cross connecting shafts 300 are synchronously rotated by 90 degrees for three times, so that 6 center block main bodies 400a are correspondingly pressed on the connecting arms 301 of the four end faces of the 6 cross connecting shafts 300 to form main bodies of 6 center assemblies 700 with screws 403 pressed in place; next, the third assembling device 18 synchronously presses 4 end caps 404 onto the ports 4011 of 4 center seats 401 on the main body of the center module 700 at a time to form the center module 700, and conveys the center module 700 toward the direction of the intermediate layer assembling device 20 by the second conveyor belt 132;

Meanwhile, the 4 edge block assembling devices 23 of the middle layer assembling device 20 respectively assemble the two edge seats 501 into one edge block 500, when the center assembly 700 placed on the fourth jig 211 by the center assembly feeding device 22 rotates to the edge block assembling devices 23 along with the third turntable 21, the 4 edge block assembling devices 23 sequentially assemble the 4 edge blocks 500 in a one-to-one correspondence between the adjacent center blocks 400 on the center assembly 700, so as to form a middle layer 202, and the middle layer discharging device 24 then places the middle layer 202 on the eighth conveying belt 63, so as to convey the middle layer to the direction of the assembling machine 50;

During this period, the top layer assembling machine 30 and the bottom layer assembling machine 40 respectively assemble two prism seats 501 into one prism block 500, simultaneously respectively assemble three prism seats 601 into one prism block 600, respectively splice four prism blocks 600 and four prism blocks 500 into a whole in an alternately arranged manner so as to correspondingly form the top layer 201 and the bottom layer 203 of the magic cube 200, and respectively convey the top layer 201 and the bottom layer 203 to the direction of the assembling machine 50 through the ninth conveying belt 64 and the tenth conveying belt 65;

The assembly machine 50 receives the middle layer 202, the top layer 201 and the bottom layer 203 correspondingly transferred by the middle layer assembly machine 20, the top layer assembly machine 30 and the bottom layer assembly machine 40 from three directions, wherein the middle layer 202 is firstly placed on the assembly jig 511 which is turned to be opposite to the middle layer 202 by the middle layer feeding device 52, and when the equipment is started for the first time, an end cover 404 can be stored on the assembly jig 511 of the starting station in advance; then, with the rotation of the fourth turntable 51, lubricating oil is sprayed at the center of the top end of the middle layer 202 by the top layer oiling device 53, and then the top layer 201 is assembled on the oiled middle layer 202 by the top layer feeding device 54; next, the top press-fitting device 55 directly presses one of the two center block bodies 400a transferred from the center block assembly device 67 against the connecting arm 301 at the top end of the intermediate layer 202, and stores the other center block body 400a on the final assembly jig 511; the top layer forming device 56 then takes and places the end cap 404 previously stored on the assembly jig 511 onto the port 4011 of the center seat 401 at the center of the top layer 201 to correspondingly close the port, thereby completing the assembly of the top layer 201; then, the middle layer 202 provided with the top layer 201 is turned over by 180 degrees by the turning device 57, lubricating oil is sprayed at the center of the turned up bottom end of the middle layer 202 by the bottom layer oiling device 58, and then the bottom layer 203 is placed on the oiled middle layer 202 by the bottom layer feeding device 59; the bottom layer assembling device 60 presses the central block main body 400a stored on the assembly jig 511 onto the connecting arm 301 of the bottom end of the middle layer 202, which is turned upwards, meanwhile, the branch mechanism 611 of the bottom layer forming device 61 stores one end cover 404 on the assembly jig 511 at the station, and the main body of the bottom layer forming device 61 only needs to press the other end cover 404 onto the port 4011 of the central seat 401 at the center of the bottom layer 203 again, so that the assembly of the bottom layer 203 is completed, and meanwhile, the magic cube 200 is assembled; finally, the detecting device 69 detects the smoothness of the rotation of the magic cube 200, and the detected magic cube 200 is taken down from the fourth turntable 51 by the finished product blanking device 62 and transferred to the eleventh conveyor belt 66 for conveying, so that the magic cube is separated from the production line for discharging;

the above operation is repeated continuously, and the automatic flow operation for assembling the magic cube 200 can be realized.

Compared with the prior art, the central assembly machine 10 of the magic cube automatic assembly line 100 of the invention is used for assembling the springs 402 and the screws 403 on the central seat 401 to form the central block main body 400a, assembling the four central block main bodies 400a on the four connecting arms 301 perpendicular to the cross connecting shaft 300 to form the central assembly 700, closing the ports 4011 of the four central seats 401 through the four end covers 404 to form the central assembly 700, assembling the two edge seats 501 into the edge blocks 500 through the middle layer assembly 20, assembling the four edge blocks 500 between the central blocks 400 on the central assembly 700 to form the middle layer 202 of the magic cube 200, simultaneously, the top layer assembly machine 30 and the bottom layer assembly machine 40 are used for assembling the two edge seats 501 into the edge blocks 500, assembling the three corner seats 601 into the corner blocks 600, and splicing the four corner blocks 600 and the four edge blocks 500 into a whole in an alternating arrangement to form the top layer 201 and the bottom layer 203 of the magic cube 200, so that the assembly machine 50 can assemble the top layer 201 and the bottom layer 203 on the middle layer 202 sprayed with lubricating oil, and the assembly machine 50 also correspondingly assembles the two springs 402 and the two screws 403 on the two center seats 401 to form two center block main bodies 400a, and correspondingly presses the two center block main bodies 400a on the other two connecting arms 301 of the cross connecting shaft 300 on the middle layer 202 from the center reserved positions of the top layer 201 and the bottom layer 203 one by one, and correspondingly seals the ports 4011 of the two center seats 401 through the two end covers 404 to form the magic cube 200, the automatic magic cube assembling line 100 of the invention effectively realizes automatic flow operation of assembling the magic cube 200 through the cooperation among the machines, and the middle layer assembling machine 20, the top layer assembling machine 30 and the bottom layer assembling machine 40 are arranged on the periphery side of the assembly machine 50, the center assembly machine 10 is arranged on the side of the middle layer assembling machine 20, the whole assembly line is compact in structure and reasonable in layout, and the assembly efficiency and the assembly precision are effectively improved.

The foregoing description of the preferred embodiments of the present invention is not intended to limit the scope of the claims, which follow, as defined in the claims.

Claims

1. The magic cube automatic assembly line is characterized by comprising a main assembly machine, a top assembly machine, an intermediate assembly machine, a bottom assembly machine and a center assembly machine, wherein the top assembly machine, the intermediate assembly machine and the bottom assembly machine are arranged on the periphery of the main assembly machine; the central assembly assembling machine is used for correspondingly assembling the springs and the screws on the central seat to form a central block main body, assembling the central block main body on four connecting arms which are perpendicular to the cross connecting shaft, sealing the port of the central seat through the end cover to form a central assembly, and conveying the central assembly towards the direction of the middle layer assembly; the middle layer assembly is used for assembling two groups of rib seats into rib blocks, and is also used for assembling one rib block between every two adjacent center blocks on the center assembly so as to form a magic cube middle layer, and transmitting the middle layer towards the direction of the general assembly machine; the top layer assembling machine and the bottom layer assembling machine respectively combine two groups of edge seats into edge blocks, respectively combine three groups of angle seats into angle blocks, respectively combine four edge blocks and four angle blocks into a top layer and a bottom layer of the magic cube correspondingly, and respectively convey the top layer and the bottom layer towards the direction of the general assembling machine; the assembly machine is used for correspondingly assembling the top layer and the bottom layer on the middle layer from the top side and the bottom side of the middle layer respectively, correspondingly assembling the springs and the screws on the center seat to form a center block main body, correspondingly crimping the two center block main bodies on the other two connecting arms of the cross connecting shaft by the center reserved positions of the top layer and the bottom layer one by one, and correspondingly sealing the ports of the two center seats through the two end covers to form a magic cube.

2. The automatic magic cube assembling line according to claim 1, wherein the center assembly machine, the intermediate assembly machine, the top assembly machine, the final assembly machine, and the bottom assembly machine are arranged in a "Y" shape, a "T" shape, or a "pi" shape.

3. The automatic magic cube assembling line according to claim 1, wherein the center assembly machine comprises a first turntable, a second turntable, a conveying device with a first conveying belt and a second conveying belt which are arranged in sequence, a first assembling device arranged on the periphery of the first turntable, a transfer device arranged between the first turntable and the second turntable, a rotating device arranged between the transfer device and the second turntable, a second assembling device arranged on the periphery of the second turntable, and a third assembling device arranged between the first conveying belt and the second conveying belt.

4. The automatic magic cube assembling line according to claim 1, wherein the intermediate layer assembling device comprises a third turntable, a central component feeding device, four edge block assembling devices, an intermediate layer discharging device and four edge block transferring devices, wherein the central component feeding device, the four edge block assembling devices, the intermediate layer discharging device and the four edge block transferring devices are arranged on the periphery side of the third turntable along the conveying direction of the third turntable, and the central component feeding device is used for taking and placing the central components conveyed by the central component assembling device on the third turntable; the four edge block assembling devices are used for respectively assembling two edge blocks into an edge block, the four edge block transferring devices are used for sequentially assembling the four edge blocks between the adjacent center blocks on the center assembly in a one-to-one correspondence mode so as to form a magic cube middle layer, and the middle layer blanking device is used for taking down the middle layer from the third turntable and transferring the middle layer towards the direction of the assembly machine.

5. The automatic magic cube assembling line according to claim 4, wherein the prism transporting device is capable of performing a linear reciprocating motion between the prism assembling device and the third turntable to take and send the prism, and is capable of driving the prism to rotate by a certain angle during the taking and sending process to adjust the assembly angle of the prism.

6. The automatic magic cube assembling line according to claim 1, wherein the top layer assembling machine comprises a group of assembling units and two splicing units arranged on two opposite sides of the group of assembling units, each of the splicing units comprises a prism block assembling device, two corner block assembling devices and a first splicing device arranged between the prism block assembling device and the two corner block assembling devices, the group of assembling units comprises two prism block assembling devices and a second splicing device arranged between the two prism block assembling devices, the corner block assembling devices are used for assembling three corner blocks into a corner block, the prism block assembling devices are used for assembling two prism blocks into a prism block, the first splicing device is used for splicing one prism block between the two corner blocks to form a splicing piece, and the second splicing device is used for splicing two prism blocks provided by the two prism block assembling devices arranged on two sides of the corner block assembling devices between the two splicing pieces provided by the two first splicing devices, so that the top layer of the magic cube is formed.

7. The automatic magic cube assembling line according to claim 6, wherein the edge block assembling devices on the peripheral side of the first splicing device and the two corner block assembling devices are arranged in a "delta" shape, the two edge block assembling devices on the two sides of the second splicing device are arranged in a "one" shape, and the three first splicing device and the three second splicing device are arranged in a "Z" shape.

8. The automatic magic cube assembling line according to claim 6, wherein the first splicing device comprises a first splicing table, a third conveyor belt arranged on the first splicing table, and two fourth conveyor belts arranged on opposite sides of the third conveyor belt, the third conveyor belt being arranged between the first splicing table and the edge block assembling device for conveying the edge blocks, the two fourth conveyor belts being arranged between the first splicing table and the two corner block assembling devices on opposite sides thereof in a one-to-one correspondence for conveying the corner blocks; the second splicing device comprises a second splicing table, a fifth conveying belt, a sixth conveying belt and two seventh conveying belts, wherein the fifth conveying belt and the sixth conveying belt are arranged on the second splicing table in parallel at intervals, the seventh conveying belts are arranged on two opposite sides of the fifth conveying belt, the fifth conveying belt and the sixth conveying belt are correspondingly arranged between the second splicing table and the two first splicing devices and used for correspondingly conveying spliced pieces on the two first splicing devices, the conveying directions of the fifth conveying belt and the sixth conveying belt are opposite, and the seventh conveying belt is correspondingly arranged between the fifth conveying belt and the two edge block assembling devices on two sides and used for correspondingly conveying edge blocks on the two edge block assembling devices.

9. The automatic magic cube assembling line according to claim 1, wherein the final assembly machine comprises a fourth turntable, an intermediate layer feeding device, a top oiling device, a top layer feeding device, a top press-fitting device, a top layer forming device, a turnover device, a bottom oiling device, a bottom feeding device, a bottom press-fitting device, a bottom forming device and a finished product blanking device, wherein the intermediate layer feeding device is used for taking and placing the intermediate layer onto the fourth turntable, the top oiling device and the bottom oiling device spray-coat lubricating oil to the centers of the top and bottom of the intermediate layer in sequence, the top layer feeding device and the bottom feeding device respectively take and place the top layer and the bottom layer to the top and bottom ends of the intermediate layer after oiling, the top layer pressing device and the bottom pressing device respectively press-fit two center block bodies onto the cross connecting arm connecting shafts of the intermediate layer from the center positions of the top layer and the bottom layer, the other two center block bodies are sequentially pressed and connected with the center of the top layer pressing device from the center of the top layer to the center of the top layer, and the other two magic cube forming devices are sequentially used for taking and placing the finished product magic cube from the center of the magic cube.

10. The automatic magic cube assembling line according to claim 9, wherein a plurality of final assembly jigs are uniformly distributed on the fourth turntable, each final assembly jig is provided with a simulated groove corresponding to the shape of the outer contour of the middle layer, a first pre-stored area corresponding to the shape of the outer contour of the center block body, and a second pre-stored area corresponding to the shape of the outer contour of the end cover, when the top press-fitting device presses one center block body onto the connecting arm at the top end of the middle layer, the other center block body is also placed in the first pre-stored area, and when the bottom forming device presses one end cover onto the port of the center seat at the center position of the bottom layer, the other end cover is also placed in the second pre-stored area.