Assembly head applicable to oblique insertion assembly, oblique insertion assembly method and mobile terminal assembly machine

Abstract

The present invention relates to the field of automated assembly, and discloses an assembly head applicable to oblique insertion assembly, an oblique insertion assembly method and a mobile terminal assembly machine. The assembly head includes a fixed seat, an adsorption block, a top block and a downward pressing mechanism; the adsorption block is slidably connected to the fixed seat, the top block is connected to the first side of the fixed seat, a suction nozzle is arranged at the bottom of the adsorption block, and the suction nozzle is used for adsorbing the workpiece to be assembled; the bottom end of the top block is used for abutting against the first end of the workpiece to be assembled and lifting the second end of the workpiece to be assembled upward; the fixed seat is provided with a first limiting block for the second end of the workpiece to be assembled to abut against on the second side opposite to the first side; the downward pressing mechanism is connected to the fixed seat and is used for applying a downward pressure to the workpiece to be assembled, so that the workpiece to be assembled can be fixed on the designated workpiece by being pushed downward. This application mainly solves the technical problem of how to facilitate the oblique insertion assembly of the main board and the housing frame through an automated method.

Description

Technical Field

[0001] The present invention relates to the technical field of automated assembly, and particularly to an assembly head applicable to inclined insertion assembly, an inclined insertion assembly method, and a mobile terminal assembly machine. Background Art

[0002] In the prior art, a mobile terminal (such as a mobile phone or a tablet computer) includes a housing frame and a main board fixed inside the housing frame. In order to improve the stability of the main board in the housing frame, as Figure 1 shown, some current mobile terminals design the main board 100 to be inserted into the housing frame 200 obliquely on one side, and then apply a downward force to the main board 100 so that the main board 100 is fixed to the housing frame 200 by means of snap connection or other means (such as glue bonding). Currently, the assembly operation of the main board 100 and the housing frame 200 is completed manually. Manual operation has disadvantages such as high technical requirements, large labor intensity, low efficiency, inability to guarantee assembly quality, and high cost. Summary of the Invention

[0003] The present invention provides an assembly head applicable to inclined insertion assembly, an inclined insertion assembly method, and a mobile terminal assembly machine, mainly solving the technical problem of how to facilitate the inclined insertion assembly of the main board and the housing frame through an automated manner.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] An assembly head applicable to inclined insertion assembly, comprising a fixed seat, an adsorption block, a top block, and a downward pressing mechanism;

[0006] The adsorption block is slidably connected to the fixed seat in the vertical direction. The top block is connected to the first side of the fixed seat. A suction nozzle is provided at the bottom of the adsorption block. The suction nozzle extends downward relative to the bottom of the adsorption block, and the suction nozzle is a deformable flexible suction nozzle. The moving path of the adsorption block relative to the fixed seat in the vertical direction includes a first position and a second position above the first position;

[0007] When the adsorption block is located at the first position, the suction nozzle is lower than the bottom end of the top block and is used for adsorbing the workpiece to be assembled;

[0008] When the adsorption block moves towards the second position, the bottom end of the top block is used to abut against the top surface of the first end of the workpiece to be assembled and apply a downward force to the first end of the workpiece to be assembled, so that the second end of the workpiece to be assembled opposite to the first end is lifted upward;

[0009] The fixed seat is provided with at least one first limiting block on at least a second side opposite to the first side, and the first limiting block is used for the second end that has been lifted upward on the workpiece to be assembled to abut against, so as to limit the inclined posture of the workpiece to be assembled;

[0010] The pressing mechanism is connected to the fixed seat and is used to apply a downward pressure to the workpiece to be assembled, so that the workpiece to be assembled can be fixed on the designated workpiece by being pushed downward.

[0011] In one technical solution, the fixed seat is fixed with at least one second limiting block on a third side, and the fixed seat is fixed with at least one third limiting block on a fourth side opposite to the third side. The first limiting block, the second limiting block, the third limiting block and the top block jointly surround the outer periphery of the fixed seat, and the pressing mechanism is also located within the area jointly surrounded by the first limiting block, the second limiting block, the third limiting block and the top block. The first limiting block, the second limiting block and the third limiting block are used to jointly limit the position of the workpiece to be assembled during the up-and-down movement in the vertical direction driven by the adsorption block.

[0012] In one technical solution, the inclined posture of the workpiece to be assembled is based on the position of the bottom end of the top block, and the heights of the first limiting block, the second limiting block and the third limiting block relative to the fixed seat are all adjustable.

[0013] In one technical solution, the fixed seat is fixed with an adjusting block on the first side, an elastic member is connected between the adjusting block and the top block, the top block is slidably connected to the fixed seat in the vertical direction, the elastic member is in a compressed state and applies a downward elastic force to the top block, and the height of the adjusting block relative to the fixed seat is adjustable to adjust the compression degree of the elastic member.

[0014] In one technical solution, a pressing block is further fixed on one side of the fixed seat, the height of the pressing block relative to the fixed seat is adjustable, and the bottom end of the pressing block is used to push down the elastic buckle located on the designated workpiece, wherein the elastic buckle is used to fix the workpiece to be assembled on the designated workpiece.

[0015] In one technical solution, a material pressing mechanism is further arranged on the outer side of the fixed seat;

[0016] The blank holding mechanism includes a fixed block, a spring, a mounting block and a bearing which are connected in sequence. The fixed block is fixed on the fixed seat and is adjustable in height relative to the fixed seat. The spring is arranged between the fixed block and the mounting block and is used to apply a downward elastic force to the mounting block. The inner ring of the bearing is fixed to the bottom end of the mounting block, and the outer ring of the bearing protrudes downward relative to the bottom end of the mounting block and is used to apply a downward acting force to another workpiece to be assembled while being assembled on the specified workpiece.

[0017] The present application provides an inclined insertion assembly method, which adopts the assembly head suitable for inclined insertion assembly described above. The inclined insertion assembly method includes the following steps:

[0018] By driving the suction block to move downward to the first position, the nozzle on the suction block is lower than the bottom end of the top block and adsorbs the workpiece to be assembled.

[0019] By driving the suction block to move upward to the second position, during the process of the workpiece to be assembled moving upward following the suction block, the first end of the workpiece to be assembled will abut against the bottom end of the top block, causing the second end of the workpiece to be assembled opposite to the first end to lift upward and finally abut against the first limit block. At this time, the workpiece to be assembled is in an inclined posture.

[0020] By driving of an external mechanism, the first end of the workpiece to be assembled in the inclined posture is inserted into the specified workpiece.

[0021] By driving the suction block to move downward, the workpiece to be assembled and the top block are separated, and the second end of the workpiece to be assembled gradually descends. Then the nozzle is depressurized, and finally a downward pressure is applied to the workpiece to be assembled by the blank holding mechanism, so that the workpiece to be assembled is fixed on the specified workpiece.

[0022] The present application further provides a mobile terminal assembly machine, which includes a frame, an assembly fixture, a driving device, a power mechanism and the assembly head suitable for inclined insertion assembly described above;

[0023] Wherein, the mobile terminal includes a housing frame and a main board. The main board is the workpiece to be assembled, and the housing frame is the specified workpiece;

[0024] The assembly fixture and the driving device are both connected to the frame. The assembly fixture is used to fix the housing frame. The power mechanism and the fixed seat in the assembly head are respectively connected to the driving device. The driving device is used to drive the power mechanism and the assembly head to move together, so that the nozzle on the assembly head can adsorb the main board and can drive the main board to move above the housing frame. The power mechanism is used to drive the suction block to move in the vertical direction relative to the fixed seat.

[0025] In one of the technical solutions, the mobile terminal assembly machine further includes a rotating mechanism connected to the driving device;

[0026] The rotating mechanism includes a motor and a synchronous pulley. The motor is connected to the driving device, and the motor drives the synchronous pulley to rotate through a synchronous belt. The rotation axis of the synchronous pulley points in the vertical direction;

[0027] A transfer seat is fixed on the synchronous pulley. The fixing seat is fixedly connected to the transfer seat. A spline shaft is fixed on the adsorption block. The spline shaft penetrates through the transfer seat in the vertical direction and is slidably connected to the transfer seat in the vertical direction. Moreover, the transfer seat is connected to the spline shaft by a key connection so as to be able to drive the spline shaft to rotate. The top of the spline shaft is connected to a bearing seat, and the bearing seat is connected to the power mechanism, so that the power mechanism can drive the bearing seat to move in the vertical direction to drive the spline shaft and the adsorption block to move relative to the fixing seat in the vertical direction together. A through hole penetrating along the axial direction is arranged inside the spline shaft, and the through hole is communicated with the inside of the suction nozzle.

[0028] In one of the technical solutions, the mobile terminal assembly machine further includes a wire management mechanism. The wire management mechanism includes an actuator and a wire management block connected to each other. The actuator is used to drive the wire management block to perform a telescopic linear movement. The wire management block is located above the assembly fixture and is used to flatten the FPC located inside the housing frame.

[0029] In one of the technical solutions, the mobile terminal assembly machine further includes a card tray feeding mechanism, a card tray picking module, and a card tray assembling mechanism;

[0030] The card tray feeding mechanism is used to automatically provide card trays. The card tray picking module is used to place the card trays located at the card tray feeding mechanism on the card tray assembling mechanism;

[0031] The card tray assembling mechanism is arranged on one side of the assembly fixture. The card tray assembling mechanism includes a loading seat, a driver, and a pushing block. The loading seat is used to receive the card trays from the card tray picking module. The driver is relatively fixed to the loading seat and is connected to the pushing block. The driver is used to drive the pushing block to push the card trays located on the loading seat into the housing frame located on the assembly fixture;

[0032] The outer ring of the bearing in the pressing mechanism is used to apply a downward acting force on the part of the card tray inserted into the housing frame.

[0033] In one of the technical solutions, the driving device includes an X-axis module for horizontal driving and a first Z-axis module and a second Z-axis module respectively connected to the X-axis module;

[0034] The X-axis module is connected to the frame, the power mechanism and the fixing seat in the assembly head are respectively connected to the first Z-axis module, and the tray picking module is connected to the second Z-axis module;

[0035] The X-axis module and the first Z-axis module are used to jointly drive the power mechanism and the assembly head to perform biaxial movement, and the X-axis module and the second Z-axis module are used to jointly drive the tray picking module to perform biaxial movement.

[0036] In one of the technical solutions, the mobile terminal assembly machine further includes a material taking mechanism, a positioning mechanism, a conveying line and a material unloading mechanism;

[0037] The picking mechanism is used to place the mainboard on the positioning mechanism, the positioning mechanism is used to calibrate the position of the mainboard, the driving device is used to drive the assembly head to absorb the mainboard from the positioning mechanism, the conveyor line is used to convey the shell frame along the Y-axis, the assembly jig is arranged in the middle of the conveyor line and is used to lift up the shell frame located on the conveyor line or to put the shell frame back down onto the conveyor line, and the unloading mechanism is used to unload the shell frame on the conveyor line and assembled with the mainboard to a specified position.

[0038] Compared with the prior art, the assembly head suitable for oblique insertion assembly provided by the present invention has at least the following beneficial effects:

[0039] The working process of the assembly head of the present scheme is as follows: by driving the adsorption block to move downward to the first position, the suction nozzle on the adsorption block is lower than the bottom end of the top block and adsorbs the workpiece to be assembled (such as the mainboard mentioned in the background technology), and then by driving the adsorption block to move to the second position upward, the mainboard will follow the adsorption block to move upward. The first end of the mainboard will abut against the bottom end of the top block, so that the second end of the mainboard opposite to the first end is lifted upward and finally abuts against the first limit block. At this time, the workpiece to be assembled is in an inclined posture; then, through the drive of an external mechanism, the first end of the workpiece to be assembled in an inclined posture is inserted into the designated workpiece (such as the shell frame mentioned in the background technology), and then the adsorption block is driven to move downward to separate the mainboard and the top block, so that the second end on the mainboard gradually descends and gradually approaches the shell frame, and then the suction nozzle is depressurized, and finally the mainboard is applied with downward pressure through the pressing mechanism to fix the mainboard on the designated workpiece.

[0040] As can be seen from the above, the use of the assembly head of this solution is conducive to automating the need to obliquely insert and assemble the mainboard into the shell frame, thereby greatly improving the assembly efficiency of the mainboard and the shell frame, and further greatly improving the production efficiency of the mobile terminal.

[0041] The present invention has other characteristics and advantages, which will be obvious from the accompanying drawings incorporated herein and the subsequent detailed description, or will be described in detail in the accompanying drawings incorporated herein and the subsequent detailed description. These accompanying drawings and detailed description are jointly used to explain the specific principles of the present invention. Brief Description of the Drawings

[0042] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings required for use in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other accompanying drawings can be obtained based on these drawings.

[0043] Figure 1 It is a schematic structural diagram when the main board and the housing frame of an existing mobile terminal are obliquely inserted and assembled.

[0044] Figure 2 It is a schematic structural diagram of an assembly head suitable for oblique insertion and assembly provided in Embodiment 1 of the present application.

[0045] Figure 3 For Figure 2 It is a schematic structural diagram when the assembly head shown sucks the main board and makes the main board in an inclined posture.

[0046] Figure 4 For Figure 2 It is a schematic structural diagram when the assembly head shown obliquely inserts the sucked main board onto the housing frame.

[0047] Figure 5 For Figure 2 It is a schematic structural diagram when the assembly head shown places the sucked main board downward onto the housing frame.

[0048] Figure 6 For Figure 2 It is a schematic structural diagram of the assembly head shown at another angle.

[0049] Figure 7 It is a schematic structural diagram of a mobile terminal assembly machine provided in Embodiment 2 of the present application.

[0050] Figure 8 It is a schematic structural diagram of the driving device, power mechanism, assembly head, rotating mechanism and card tray material taking module provided in Embodiment 2 of the present application.

[0051] Figure 9 For Figure 8 The partial enlarged view at A in

[0052] Figure 10 For Figure 8Schematic diagram of the structure shown from another angle;

[0053] Figure 11 Schematic diagram of the assembly jig, the tray assembly mechanism and the wire management mechanism provided in the second embodiment of the present application.

[0054] Reference numerals:

[0055] 100, main board; 101, first end; 102, second end; 200, housing frame;

[0056] 1, assembly head; 10, guiding part; 11, fixing seat; 111, pressing block; 12, adsorption block; 121, suction nozzle; 122, spline shaft; 13, top block; 14, downward pressing mechanism; 141, driving cylinder; 142, pressing block; 15, first limiting block; 16, second limiting block; 17, third limiting block; 18, adjusting block; 19, elastic member; 20, material pressing mechanism; 201, fixing block; 202, spring; 203, mounting block; 204, bearing;

[0057] 2, frame; 3, conveyor line; 4, assembly jig; 41, lifting mechanism; 42, loading platform; 43, positioning assembly; 5, material taking mechanism; 6, positioning mechanism; 7, driving device; 71, first Z-axis module; 72, second Z-axis module; 8, power mechanism; 9, blanking mechanism; 30, wire management mechanism; 301, actuator; 302, wire management block; 40, tray feeding mechanism; 50, tray material taking module;

[0058] 60, tray assembly mechanism; 601, loading seat; 602, driver; 603, pushing block;

[0059] 70, rotating mechanism; 701, motor; 702, synchronous pulley; 703, adapter seat; 704, bearing seat. Detailed implementation manners

[0060] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application clearer, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0061] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0062] It should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present application.

[0063] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality" means two or more unless otherwise specifically defined.

[0064] In order to make the objectives, technical solutions and advantages of the present invention more clear and understandable, the present invention will be further described in detail below with reference to the drawings and embodiments.

[0065] Embodiment 1

[0066] Please refer to Figures 2 to 4 , this embodiment provides an assembly head 1 using oblique insertion assembly. The assembly head 1 is used to adjust the posture of the workpiece to be assembled, so that the workpiece to be assembled can be inserted into the specified workpiece in an inclined posture. The assembly head 1 is also used to apply a downward force to the workpiece to be assembled, so that the workpiece to be assembled can be pushed downward and fixed on the specified workpiece. In this embodiment, the workpiece to be assembled takes the main board 100 inside the mobile terminal as an example, and the specified workpiece takes the housing frame 200 of the mobile terminal as an example.

[0067] Please refer to Figures 2 to 5 , the assembly head 1 for oblique insertion assembly in this embodiment mainly includes a fixed seat 11, an adsorption block 12, a top block 13 and a downward pressing mechanism 14. Among them, the adsorption block 12 is slidably connected to the fixed seat 11 in the vertical direction. The adsorption block 12 can achieve the sliding connection with the fixed seat 11 through the combined structure of a guide rod and a linear bearing, or can also achieve the sliding connection with the fixed seat 11 through the combined structure of a guide rail and a slider. Among them, the top block 13 is connected to the first side of the fixed seat 11. A suction nozzle 121 is provided at the bottom of the adsorption block 12. The suction nozzle 121 extends beyond the bottom surface of the adsorption block 12, and the suction nozzle 121 is a deformable flexible suction nozzle. The moving path of the adsorption block 12 relative to the fixed seat 11 in the vertical direction includes a first position and a second position above the first position. When the adsorption block 12 is located at the first position, the suction nozzle 121 is used to adsorb the main board 100. Please refer to Figure 3 , Figure 3As shown in the figure, after the adsorption block 12 moves to the second position above, the bottom end of the top block 13 will abut against the top surface of the first end 101 of the main board 100, causing the first end 101 of the main board 100 to be subjected to a downward acting force, so that the second end 102 of the main board 100 opposite to the first end 101 is lifted upward; in addition, at least one first limiting block 15 is provided on the second side of the fixing seat 11 opposite to the first side, and the first limiting block 15 is used to abut against the second end 102 of the main board 100 that has been lifted upward to limit the final tilting posture of the main board 100; wherein, the pressing mechanism 14 is connected to the fixing seat 11 and is used to apply a downward pressure to the main board 100, so that the main board 100 can be fixed on the housing frame 200 by being pushed downward.

[0068] The assembly head 1 of this embodiment specifically applies the following oblique insertion and assembly method:

[0069] Step S1: First, drive the adsorption block 12 to move downward to the first position. The suction nozzle 121 on the adsorption block 12 adsorbs the main board 100 through negative pressure. Since the overall thickness of the main board 100 is relatively thin, when the adsorption block 12 is at the first position, the suction nozzle 121 on the adsorption block 12 is lower than the bottom end of the top block 13, so that the suction nozzle 121 will not collide with the main board 100 when adsorbing the main board 100.

[0070] Step S2: Then drive the adsorption block 12 to move to the second position above. During the process of the main board 100 moving upward following the adsorption block 12, the first end 101 of the main board 100 will abut against the bottom end of the top block 13, causing the second end 102 of the main board 100 opposite to the first end 101 to be lifted upward and finally abut against the first limiting block 15. As Figure 3 shown, the main board 100 will be in an inclined posture at this time.

[0071] Step S3: As Figure 4 shown, through the drive of an external mechanism, the first end 101 of the main board 100 in an inclined posture is inserted into the housing frame 200.

[0072] Step S4: Drive the adsorption block 12 to move downward to separate the main board 100 from the top block 13, so that the second end 102 of the main board 100 gradually descends and gradually approaches the housing frame 200. In other words, at this time, the main board 100 will gradually move towards as Figure 5The horizontal attitude restoration shown is followed by depressurizing the suction nozzle 121 so that the main board 100 falls onto the housing frame 200. Finally, a downward pressure is applied to the main board 100 through the pressing mechanism 14 to fix the main board 100 onto the housing frame 200. Preferably, elastic buckles are provided on the housing frame 200. When the main board 100 is pressed down in place, these elastic buckles will prevent the main board 100 from detaching from the housing frame 200, thus achieving the purpose of fixing the main board 100 onto the housing frame 200. In other embodiments, an adhesive tape can also be provided on the back of the main board 100. By pressing the main board 100 through the pressing mechanism 14, the main board 100 and the housing frame 200 are bonded together, and the fixation of the main board 100 and the housing frame 200 can also be achieved at this time. In addition, the pressing mechanism 14 includes a driving cylinder 141 and a pressing block 142 connected to each other. By driving the pressing block 142 to move downward through the driving cylinder 141, the pressing block 142 applies a downward pressure to the main board 100, thereby achieving the purpose of applying a downward pressure to the main board 100.

[0073] Please refer to Figures 2 to 6 , at least one second limiting block 16 is fixed on the third side of the fixing seat 11, and at least one third limiting block 17 is fixed on the fourth side opposite to the third side of the fixing seat 11. In fact, the first limiting block 15, the second limiting block 16, the third limiting block 17, and the top block 13 jointly surround the outer periphery of the fixing seat 11. In addition, the pressing mechanism 14 is also located within the area jointly surrounded by the first limiting block 15, the second limiting block 16, the third limiting block 17, and the top block 13. Moreover, the first limiting block 15, the second limiting block 16, and the third limiting block 17 all extend downward with guiding portions 10. Through the guiding of the surrounding guiding portions 10, the first limiting block 15, the second limiting block 16, and the third limiting block 17 can all be used to jointly limit the position of the main board 100 during the up and down movement in the vertical direction driven by the adsorption block 12. That is, it is ensured that after the main board 100 is adsorbed by the adsorption block 12, it can move upward precisely in step S2 above, so that a predetermined position on the main board 100 can precisely abut against the bottom end of the first limiting block 15, thereby improving the accuracy of the inclined attitude of the main board 100. At the same time, it is also ensured that the main board 100 can be precisely assembled downward onto the housing frame 200 in step S4 above.

[0074] Please refer to Figure 2 and Figure 6, the inclination attitude of the main board 100 is based on the position of the bottom end of the top block 13. The heights of the first limiting block 15, the second limiting block 16, and the third limiting block 17 relative to the fixed seat 11 are all adjustable. Thus, the inclination angle of the main board 100 can be adjusted, and the downward guiding stroke of the main board 100 can be adjusted to ensure that the main board 100 can be accurately assembled onto the housing frame 200 at the required inclination angle. Among them, the height adjustable method can be to respectively provide oblong holes for fixing and extending upward on the first limiting block 15, the second limiting block 16, and the third limiting block 17.

[0075] Please refer to Figures 2 to 4 , an adjusting block 18 is also fixed on the first side of the fixed seat 11. An elastic member 19 is connected between the adjusting block 18 and the top block 13. The elastic member 19 is preferably a compression spring. The top block 13 and the fixed seat 11 are slidably connected through the structure of a slide rail and a slider in the vertical direction. The elastic member 19 is in a compressed state and exerts a downward elastic force on the top block 13. The preset initial elastic force of the elastic member 19 is relatively large. Through such a design, the main board 100 abutted against the bottom end of the top block 13 has a certain floating in the vertical direction, preventing the problem that the main board 100 is damaged due to assembly deviation during the process of obliquely inserting the main board 100 into the housing frame 200. At the same time, since the first end 101 of the main board 100 has a certain floating, the reliability of obliquely inserting the main board 100 into the housing frame 200 is also improved. In addition, the height of the adjusting block 18 relative to the fixed seat 11 is adjustable, so as to adjust the compression degree of the elastic member 19, and further be able to adjust the buffer force that the top block 13 can act on the main board 100 to meet the actual requirements. Among them, the height adjustable method of the adjusting block 18 relative to the fixed seat 11 can also be to provide an oblong hole for fixing the adjusting block 18 and extending in the vertical direction on the adjusting block 18.

[0076] Please refer to Figure 2 and Figure 3 , a pressing block 111 is also fixed on one side of the fixed seat 11. In the above step S4, the bottom end of the pressing block 111 is used to push down the elastic buckle on the housing frame 200, so that the main board 100 can be assembled downward by the pressing mechanism 14 to the specified position on the housing frame 200. When the assembling head 1 moves upward and leaves, the elastic buckle on the housing frame 200 will no longer be under the pressure of the pressing block 111 and will restore its shape. The restored elastic buckle will limit the position of the main board 100 to fix the main board 100 on the housing frame 200. In addition, the height of the pressing block 111 relative to the fixed seat 11 is also adjustable. The pressing block 111 is also adjusted to the actual required position to ensure that the pressing block 111 can push open the elastic buckle on the housing frame 200 when the main board 100 is assembled onto the housing frame 200.

[0077] Please refer to Figure 6, a pressing mechanism 20 is further provided on the outer side of the fixing base 11. The pressing mechanism 20 includes a fixing block 201, a spring 202, a mounting block 203, and a bearing 204 that are connected in sequence. The fixing block 201 is fixed on the fixing base 11. The spring 202 is disposed between the fixing block 201 and the mounting block 203 and is used to apply a downward elastic force to the mounting block 203. The inner ring of the bearing 204 is fixed to the bottom end of the mounting block 203, and the outer ring of the bearing 204 protrudes downward relative to the bottom end of the mounting block 203. In the above step S4, the bearing 204 indirectly receives the downward elastic force of the spring 202. The outer ring of the bearing 204 is used to apply a downward acting force to another workpiece being assembled into the housing frame 200. Preferably, the outer ring of the bearing 204 is used to apply a downward acting force to the top surface of the card tray (i.e., the component for installing a phone card or a data card) being assembled into the housing frame 200. The outer ring of the bearing 204 rotates as the card tray is gradually inserted, so that the card tray can receive a downward pressure on the premise that the card tray can be inserted into the housing frame 200, enabling the card tray to be inserted into the housing frame 200 flatly. In other words, by providing the pressing mechanism 20, the assembling head 1 not only has the function of assembling the main board 100 onto the housing frame 200, but also has the function of pressing down the card tray being inserted into the housing frame 200, thereby improving the assembling efficiency of the mobile terminal. In addition, the height of the fixing block 201 relative to the fixing base 11 is adjustable to adjust the compression degree of the spring 202, thereby adjusting the pressing force of the bearing 204 on the card tray, and further improving the reliability that the card tray can finally be inserted into the housing frame 200 flatly.

[0078] Embodiment 2

[0079] Please refer to Figures 7 to 11 , this embodiment provides a mobile terminal assembling machine. This mobile terminal includes the main board 100 and the housing frame 200 described in Embodiment 1. The mobile terminal assembling machine is mainly used to automatically realize the diagonal insertion assembling operation of the main board 100 and the housing frame 200. The mobile terminal assembling machine mainly includes a frame 2, a conveying line 3, an assembling fixture 4, a material taking mechanism 5, a positioning mechanism 6, a driving device 7, a power mechanism 8, and a blanking mechanism 9. Among them, the conveying line 3, the assembling fixture 4, the material taking mechanism 5, the positioning mechanism 6, the driving device 7, and the blanking mechanism 9 are all connected to the frame 2. The assembling fixture 4 is located in the middle of the conveying line 3. The power mechanism 8 is connected to the driving device 7. The fixing base 11 of the assembling head 1 described in the above Embodiment 1 is also connected to the driving device 7. In other words, the driving device 7 can drive the power mechanism 8 and the assembling head 1 to move together in two axes or multiple axes. The adsorption block 12 in the assembling head 1 described in the above Embodiment 1 is connected to the power mechanism 8. The power mechanism 8 is used to independently drive the adsorption block 12 to move linearly in the vertical direction relative to the fixing base 11. The power mechanism 8 is preferably a lead screw module.

[0080] The working principle of the mobile terminal assembly machine in this embodiment is as follows: The conveyor line 3 drives the housing frame 200 to move in the Y direction and moves the housing frame 200 above the assembly fixture 4. The assembly fixture 4 lifts the housing frame 200 located on the conveyor line 3 upward to receive the housing frame 200. At the same time, the material taking mechanism 5 places the main board 100 on the positioning mechanism 6. The positioning mechanism 6 calibrates the position of the main board 100. Then, driven by the driving device 7, the assembly head 1 and the power mechanism 8 move together. The moving assembly head 1 first sucks the main board 100 from the positioning mechanism 6. After the assembly head 1 sucks the main board 100, the adsorption block 12 is driven by the power mechanism 8 to move upward, and the main board 100 can be adjusted to an inclined posture. Then, driven by the driving device 7, the assembly head 1 obliquely inserts the main board 100 in the inclined posture into the housing frame 200 located in the assembly fixture 4. Then, the adsorption block 12 is driven by the power mechanism 8 to move downward, so that the main board 100 gradually returns to the flat posture and finally is placed downward on the housing frame 200. Immediately after the suction nozzle 121 is depressurized, the downward pressing mechanism 14 inside the assembly head 1 applies a downward force to the main board 100, so that the main board 100 can be fixed on the housing frame 200. Subsequently, the assembly fixture 4 places the housing frame 200 already equipped with the main board 100 downward back on the conveyor line 3. The conveyor line 3 drives the housing frame 200 to continue to move in the Y direction to the discharging position. Finally, the discharging mechanism 9 classifies the housing frame 200 according to the assembly result and discharges it in the X direction to the designated position, thus completing the automated assembly operation of the main board 100 and the housing frame 200.

[0081] Please refer to Figure 11 , the assembly fixture 4 specifically includes a jacking mechanism 41, a loading platform 42 and a positioning component 43. Among them, the jacking mechanism 41 is connected to the frame 2. The jacking mechanism 41 and the loading platform 42 are connected and used to drive the loading platform 42 to move in the vertical direction. The rising of the loading platform 42 is used to lift the housing frame 200 from the conveyor line 3, and the lowering of the loading platform 42 is used to place the housing frame 200 downward back on the conveyor line 3. The positioning component 43 is connected to the loading platform 42. The positioning component 43 can calibrate the position of the housing frame 200 on the loading platform 42 by means of side pushing by a cylinder, so that the subsequent main board 100 can be accurately obliquely inserted and assembled on the housing frame 200.

[0082] Please refer to again Figure 11, a wire management mechanism 30 is provided on one side of the assembly jig 4. The wire management mechanism 30 includes an actuator 301 and a wire management block 302 connected to each other. The actuator 301 is preferably a cylinder. The actuator 301 is used to drive the wire management block 302 to perform telescopic linear movement. The wire management block 302 is located above the assembly jig 4 and is used to flatten the FPC located within the housing frame 200, ensuring that the FPC is flat before the main board 100 is inserted into the housing frame 200, and solving the problem that the internal FPC is bent after the main board 100 is assembled into the housing frame 200.

[0083] Please refer to Figures 8 to 11 , the mobile terminal assembly machine further includes a SIM card tray feeding mechanism 40, a SIM card tray picking module 50, and a SIM card tray assembling mechanism 60. Among them, the SIM card tray feeding mechanism 40 is preferably a vibrating disk. The SIM card tray feeding mechanism 40 is used to automatically supply SIM card trays. The SIM card tray picking module 50 is used to place the SIM card tray located at the SIM card tray feeding mechanism 40 onto the SIM card tray assembling mechanism 60. The SIM card tray assembling mechanism 60 is provided on one side of the assembly jig 4. The SIM card tray assembling mechanism 60 specifically includes a loading seat 601, a driver 602, and a pushing block 603. The loading seat 601 is used to receive the SIM card tray from the SIM card tray picking module 50. The driver 602 is relatively fixed to the loading seat 601 and is connected to the pushing block 603. The driver 602 is preferably a cylinder. The driver 602 is used to drive the pushing block 603 to push the SIM card tray located on the loading seat 601 in the opposite direction of the Y-axis into the housing frame 200 located on the assembly jig 4. During the process of assembling the SIM card tray into the housing frame 200, the outer ring of the bearing 204 in Embodiment 1 applies a downward force to the part of the SIM card tray that has been inserted into the housing frame 200, so that the SIM card tray can finally be inserted into the housing frame 200 flatly.

[0084] Please refer to together with Figure 7 Figure 8 and Figure 10, the driving device 7 includes an X-axis module (not shown in the figure) and a first Z-axis module 71 and a second Z-axis module 72 respectively connected to the X-axis module. Among them, the X-axis module is connected to the frame 2, the power mechanism 8 and the fixed seat 11 in the assembly head 1 are respectively connected to the first Z-axis module 71, and the above-mentioned cato feeding module 50 is connected to the second Z-axis module 72. The X-axis module is used to drive the first Z-axis module 71, the second Z-axis module 72, the cato feeding module 50, the power mechanism 8 and the entire assembly head 1 to move linearly in the X direction. The first Z-axis module 71 is used to drive the power mechanism 8 and the entire assembly head 1 to move together in the Z direction, so that the assembly head 1 can obliquely insert the main board 100 located on the positioning mechanism 6 into the housing frame 200 located on the assembly fixture 4 under the two-axis linkage of the X-axis module and the first Z-axis module 71. The second Z-axis module 72 is used to drive the cato feeding module 50 to move in the Z direction, so that the cato feeding module 50 can place the cato located at the cato feeding mechanism 40 onto the cato assembly mechanism 60 under the two-axis linkage of the X-axis module and the first Z-axis module 71. In other words, the cato feeding module 50 and the assembly head 1 in this solution share the same X-axis module to save the volume of the machine.

[0085] Please refer to Figure 8 and Figure 9 , the mobile terminal assembly machine of this embodiment further includes a rotating mechanism 70 connected to the driving device 7. The driving device 7 drives the power mechanism 8, the rotating mechanism 70 and the entire assembly head 1 to move together in two axes or multiple axes. The rotating mechanism 70 is used to drive the entire assembly head 1 to perform a rotating motion, so that the main board 100 adsorbed by the assembly head 1 can be rotated to a suitable angle to be inserted into the housing frame 200.

[0086] To supplement the above paragraph, in order to enable the assembly head 1 not only to perform a rotating motion as a whole, but also the adsorption block 12 inside the assembly head 1 needs to move vertically relative to the fixed seat 11. The prior art usually designs to connect the rotating mechanism 70, the power mechanism 8 and the fixed seat 11 in the assembly head 1 in sequence, and specifically designs that the rotating mechanism 70 drives the power mechanism 8 and the assembly head 1 to rotate together, and then designs the power mechanism 8 to drive the adsorption block 12 in the assembly head 1 to move vertically relative to the fixed seat 11. The disadvantage of this design is that the power mechanism 8 needs to rotate together with the assembly head 1, resulting in a large load on the rotating mechanism 70, a large volume of the rotating mechanism 70 and a low working efficiency.

[0087] Please refer to Figure 9, to achieve the purpose that the power mechanism 8 does not rotate with the assembly head 1 when the assembly head 1 rotates driven by the rotating mechanism 70, the rotating mechanism 70 of this embodiment is designed to include a motor 701 and a synchronous pulley 702. The motor 701 is connected to the driving device 7. The motor 701 drives the synchronous pulley 702 to rotate through a synchronous belt. The rotation axis of the synchronous pulley 702 points in the vertical direction. A transfer seat 703 is fixed on the synchronous pulley 702. The transfer seat 703 is fixedly connected to the fixed seat 11 inside the assembly head 1. That is, the synchronous pulley 702 drives the fixed seat 11 inside the assembly head 1 to rotate. A spline shaft 122 is fixed on the suction block 12 inside the assembly head 1. The spline shaft 122 penetrates through the transfer seat 703 in the vertical direction and is slidably connected to the transfer seat 703 in the vertical direction. The transfer seat 703 is connected to the spline shaft 122 by a key connection. When the transfer seat 703 rotates driven by the synchronous pulley 702, the transfer seat 703 can drive the spline shaft 122 to rotate. Since the spline shaft 122 is fixedly connected to the suction block 12, when the synchronous pulley 702 rotates, the fixed seat 11 and the suction block 12 inside the assembly head 1 will rotate synchronously. That is, the entire assembly head 1 will rotate following the rotation of the synchronous pulley 702. Based on the above structural design that the spline shaft 122 can rotate together with the transfer seat 703, to drive the spline shaft 122 and the suction block 12 to move relative to the transfer seat 703 in the vertical direction together. For this, a bearing seat 704 is connected to the top of the spline shaft 122 in this solution. This bearing seat 704 is connected to the power mechanism 8. The power mechanism 8 drives the entire spline shaft 122 to move relative to the transfer seat 703 in the vertical direction by driving the bearing seat 704 to move in the vertical direction. Since the spline shaft 122 is fixedly connected to the suction block 12, when the power mechanism 8 drives the bearing seat 704 to move in the vertical direction, it can drive the spline shaft 122 and the suction block 12 to move relative to the fixed seat 11 in the vertical direction together, thus achieving the purpose that the power mechanism 8 does not rotate with the assembly head 1 when the assembly head 1 rotates driven by the rotating mechanism 70, and the power mechanism 8 can still drive the suction block 12 to move relative to the fixed seat 11 in the vertical direction alone. With this structural design, since the rotating mechanism 70 only loads the assembly head 1 and does not load the power mechanism 8, the rotating accuracy of the rotating mechanism 70 is higher and the rotating speed is faster, which is beneficial to improving the efficiency of assembling the main board 100 onto the housing frame 200. In addition, a through hole penetrating along the axial direction is provided inside the spline shaft 122. This through hole is connected to the inside of the suction nozzle 121, so that the suction nozzle 121 can suck the main board 100 through negative pressure.

[0088] The above are only preferred embodiments of the present invention, and only specifically describe the technical principles of the present invention. These descriptions are only for explaining the principles of the present invention and cannot be interpreted as limiting the scope of protection of the present invention in any way. Based on the explanations here, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention, and other specific implementations of the present invention that can be associated with by technicians in this field without creative labor, should be included in the scope of protection of the present invention.

Claims

1. An assembly head suitable for oblique insertion assembly, characterized in that, It includes a fixed seat, an adsorption block, a top block and a downward pressing mechanism; The adsorption block is slidably connected to the fixed seat in the vertical direction. The top block is connected to the first side of the fixed seat. A suction nozzle is provided at the bottom of the adsorption block. The path of the adsorption block moving relative to the fixed seat in the vertical direction includes a first position and a second position above the first position; When the adsorption block is at the first position, the suction nozzle is used to adsorb the workpiece to be assembled; When the adsorption block moves towards the second position, the bottom end of the top block is used to abut against the top surface of the first end of the workpiece to be assembled and apply a downward acting force to the first end of the workpiece to be assembled, so that the second end of the workpiece to be assembled opposite to the first end is lifted upwards; At least one first limiting block is provided on the second side of the fixed seat opposite to the first side. The first limiting block is used for the second end of the workpiece to be assembled that has been lifted upwards to abut against, so as to limit the inclined posture of the workpiece to be assembled; The downward pressing mechanism is connected to the fixed seat and is used to apply a downward pressure to the workpiece to be assembled, so that the workpiece to be assembled can be fixed on the specified workpiece by being pushed downwards.

2. The assembling head applicable to inclined insertion assembling as described in claim 1, characterized in that At least one second limiting block is fixed on the third side of the fixed seat, and at least one third limiting block is fixed on the fourth side of the fixed seat opposite to the third side. The first limiting block, the second limiting block, the third limiting block and the top block jointly surround the outer periphery of the fixed seat, and the downward pressing mechanism is also located within the area jointly surrounded by the first limiting block, the second limiting block, the third limiting block and the top block. The first limiting block, the second limiting block and the third limiting block are used to jointly limit the position of the workpiece to be assembled during the process of being driven by the adsorption block to move up and down in the vertical direction.

3. The assembly head applicable to the diagonal insertion assembly according to claim 2, characterized in that, The inclined posture of the workpiece to be assembled is based on the position of the bottom end of the top block. The heights of the first limiting block, the second limiting block and the third limiting block relative to the fixed seat are all adjustable.

4. The assembling head applicable to diagonal insertion and assembling according to claim 3, characterized in that, An adjusting block is fixed on the first side of the fixed seat. An elastic member is connected between the adjusting block and the top block. The top block is slidably connected to the fixed seat in the vertical direction. The elastic member is in a compressed state and applies a downward elastic force to the top block. The height of the adjusting block relative to the fixed seat is adjustable to adjust the compression degree of the elastic member.

5. The assembly head applicable to oblique insertion assembly according to claim 4, characterized in that, A pressing block is also fixed on one side of the fixed seat. The height of the pressing block relative to the fixed seat is adjustable. The bottom end of the pressing block is used to push downwards to open an elastic buckle located on the specified workpiece, wherein the elastic buckle is used to fix the workpiece to be assembled on the specified workpiece.

6. The assembly head applicable to inclined insertion assembly according to claim 5, characterized in that, A material pressing mechanism is also provided on the outer side of the fixed seat; The blanking mechanism includes a fixed block, a spring, a mounting block and a bearing connected in sequence. The fixed block is fixed on the fixed seat and is adjustable in height relative to the fixed seat. The spring is arranged between the fixed block and the mounting block and is used to apply a downward elastic force to the mounting block. The inner ring of the bearing is fixed to the bottom end of the mounting block, and the outer ring of the bearing protrudes downward relative to the bottom end of the mounting block and is used to apply a downward acting force to another workpiece to be assembled assembled on the specified workpiece.

7. An inclined insertion and assembly method, characterized in that, An assembling head applicable to oblique insertion assembling according to any one of claims 1 to 6 is adopted, and the oblique insertion assembling method includes the following steps: By driving the suction block to move downward to the first position, the suction nozzle on the suction block adsorbs the workpiece to be assembled; By driving the suction block to move to the second position above, during the process of the workpiece to be assembled moving upward following the suction block, the first end of the workpiece to be assembled will abut against the bottom end of the top block, so that the second end of the workpiece to be assembled opposite to the first end is lifted upward and finally abuts against the first limiting block. At this time, the workpiece to be assembled is in an inclined posture; By driving of an external mechanism, the first end of the workpiece to be assembled in an inclined posture is inserted into the specified workpiece; By driving the suction block to move downward, the workpiece to be assembled and the top block are separated, so that the second end of the workpiece to be assembled gradually descends and gradually approaches the specified workpiece. The suction nozzle is depressurized, and a downward pressure is applied to the workpiece to be assembled by the blanking mechanism, so that the workpiece to be assembled is fixed on the specified workpiece.

8. A mobile terminal assembly machine, characterized in that, It includes a frame, an assembling fixture, a driving device, a power mechanism and an assembling head applicable to oblique insertion assembling according to claim 6; Wherein, the mobile terminal includes a housing frame and a main board, the main board is the workpiece to be assembled, and the housing frame is the specified workpiece; The assembling fixture and the driving device are both connected to the frame. The assembling fixture is used to fix the housing frame. The power mechanism and the fixed seat in the assembling head are respectively connected to the driving device. The driving device is used to drive the power mechanism and the assembling head to move together. The power mechanism is connected to the suction block and is used to drive the suction block to move in the vertical direction relative to the fixed seat.

9. The mobile terminal assembly machine according to claim 8, characterized in that, The mobile terminal assembling machine further includes a rotating mechanism connected to the driving device; The rotating mechanism includes a motor and a synchronous pulley. The motor is connected to the driving device. The motor drives the synchronous pulley to rotate through a synchronous belt. The rotation axis of the synchronous pulley points to the vertical direction; A transfer seat is fixed on the synchronous pulley. The fixed seat is fixedly connected to the transfer seat. A spline shaft is fixed on the adsorption block. The spline shaft vertically penetrates through the transfer seat and is slidably connected to the transfer seat in the vertical direction. The transfer seat is connected to the spline shaft by a key connection so as to drive the spline shaft to rotate. A bearing seat is connected to the top of the spline shaft. The bearing seat is connected to the power mechanism, so that the power mechanism can drive the spline shaft and the adsorption block to move relative to the fixed seat in the vertical direction by driving the bearing seat to move in the vertical direction. A through hole penetrating along the axial direction is arranged inside the spline shaft, and the through hole is communicated with the inside of the nozzle.

10. The mobile terminal assembly machine according to claim 8, wherein, The mobile terminal assembly machine further includes a wire arranging mechanism. The wire arranging mechanism includes an actuator and a wire arranging block connected to each other. The actuator is used to drive the wire arranging block to perform a telescopic linear movement. The wire arranging block is located above the assembly jig and is used to flatten the FPC located inside the housing frame.

11. The mobile terminal assembly machine according to claim 8, characterized in that, The mobile terminal assembly machine further includes a card tray feeding mechanism, a card tray picking module and a card tray assembling mechanism; The card tray feeding mechanism is used to automatically provide card trays. The card tray picking module is used to place the card trays located at the card tray feeding mechanism on the card tray assembling mechanism; The card tray assembling mechanism is arranged on one side of the assembly jig. The card tray assembling mechanism includes a loading seat, a driver and a pushing block. The loading seat is used to receive the card trays from the card tray picking module. The driver is relatively fixed to the loading seat and is connected to the pushing block. The driver is used to drive the pushing block to push the card trays located on the loading seat into the housing frame located on the assembly jig; The mobile terminal assembly machine includes the assembly head. The outer ring of the bearing in the pressing mechanism is used to apply a downward force to the part of the card tray inserted into the housing frame.

12. The mobile terminal assembly machine according to any one of claims 8-11, characterized in that, The mobile terminal assembly machine further includes a picking mechanism, a positioning mechanism, a conveying line and a blanking mechanism; The picking mechanism is used to place the main board on the positioning mechanism. The positioning mechanism is used to calibrate the position of the main board. The driving device is used to drive the assembly head to adsorb the main board from the positioning mechanism. The conveying line is used to convey the housing frame along the Y direction. The assembly jig is arranged in the middle of the conveying line and is used to lift the housing frame located on the conveying line upward or to put the housing frame back downward onto the conveying line. The blanking mechanism is used to blank the housing frame with the assembled main board located on the conveying line to a specified position.

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