CN113012920A

CN113012920A - Planar transformer assembling equipment

Info

Publication number: CN113012920A
Application number: CN202110215027.2A
Authority: CN
Inventors: 孙春阳; 王猛; 柳教成; 张庭春; 许锦为; 夏年鹏
Original assignee: Guangdong Liwang High Tech Co Ltd
Current assignee: Guangdong Liwang High Tech Co Ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-06-22
Anticipated expiration: 2041-02-25
Also published as: CN113012920B

Abstract

The invention belongs to the technical field of electronic component processing, and particularly relates to a planar transformer assembling device which comprises a machine table, a positioning clamp, a pushing mechanism, a magnetic core feeding device, a first dispensing machine, a PCB (printed circuit board) combination device, a second dispensing machine, a baking oven and a tape wrapping device; the pushing mechanism is arranged on the machine table and used for pushing the positioning fixture to sequentially pass through the magnetic core feeding device, the first dispenser, the PCB combination device and the second dispenser; a first positioning cavity and a second positioning cavity are arranged on the positioning clamp; the magnetic core feeding device is used for clamping and assembling a first magnetic core and a second magnetic core of the planar transformer and is respectively positioned in the first positioning cavity and the second positioning cavity; the first dispenser is used for dispensing on the first magnetic core and the second magnetic core; the PCB assembly device is used for clamping the PCB assembly on the first magnetic core; the second glue dispenser is used for dispensing conductive glue on the PCB; the baking oven is used for baking and curing the assembled planar transformer; the tape wrapping device is arranged at the tail end of the baking oven and used for winding a tape on the assembled planar transformer.

Description

Planar transformer assembling equipment

Technical Field

The invention belongs to the technical field of electronic components, and particularly relates to a planar transformer assembling device.

Background

The planar transformer comprises upper and lower magnetic cores and a PCB circuit board, wherein the PCB circuit board is combined between the two magnetic cores. During the assembling process, glue is coated on the upper magnetic core and the lower magnetic core so as to fix the magnetic cores and the PCB. And after the magnetic core is assembled with the PCB, curing the colloid through an oven, and finally encapsulating the colloid to further complete the assembly of the planar transformer. At present, the dispensing, the assembling and the tape wrapping are completed by manual operation of workers, so that the workload is large and the efficiency is low.

Disclosure of Invention

The invention aims to provide a planar transformer assembling device, and aims to solve the problems of large workload and low efficiency of the conventional planar transformer assembling.

In order to achieve the above object, an embodiment of the present invention provides a planar transformer assembling apparatus, which includes a machine table, a positioning fixture, a pushing mechanism, a magnetic core feeding device, a first dispenser, a PCB board assembly device, a second dispenser, a baking oven, and a tape wrapping device; the pushing mechanism is arranged on the machine table and used for pushing the positioning fixture to sequentially pass through the magnetic core feeding device, the first dispenser, the PCB combination device and the second dispenser; a first positioning cavity and a second positioning cavity are arranged on the positioning clamp; the magnetic core feeding device is used for clamping and assembling a first magnetic core and a second magnetic core of the planar transformer and is respectively positioned in the first positioning cavity and the second positioning cavity; the first dispensing machine is used for dispensing on the first magnetic core and the second magnetic core; the PCB assembly device is used for clamping the PCB assembly on the first magnetic core; the second glue dispenser is used for dispensing conductive glue on the PCB; the baking oven is used for baking and curing the assembled planar transformer; the tape wrapping device is arranged at the tail end of the baking oven and used for winding a tape on the assembled planar transformer.

Further, the positioning fixture comprises a support plate, a first support table, a second support table and a turnover mechanism; the support plate is connected with the pushing mechanism, the first support table and the turnover mechanism are arranged on the support plate, the second support table is arranged on the turnover mechanism, and the turnover mechanism pushes the second support table to turn over and buckle the top of the first support table; the first positioning cavity is arranged on the first supporting platform, and the second positioning cavity is positioned on the second supporting platform.

Further, the turnover mechanism comprises two groups of downward pressing air cylinders, a mounting plate, a first semicircular ring, a second semicircular ring, a rotating air cylinder and a gear; the two groups of the pressing cylinders are arranged at two ends of the carrier plate, and the telescopic ends of the two pressing cylinders are provided with the mounting plates; the inner ring of the first semicircular ring extends to form a first connecting part, a first connecting pin is arranged at the free end of the first connecting part, the first connecting pin is rotatably connected with one mounting plate, and the first connecting pin is concentric with the first semicircular ring; a second connecting part extends from the inner ring of the second semicircular ring, a second connecting pin is arranged at the free end of the second connecting part, the second connecting pin is rotatably connected with the other mounting plate, and the second connecting pin is concentric with the second semicircular ring; a plurality of gear teeth are uniformly distributed on the outer ring of the second semicircular ring; the rotary cylinders are arranged on the corresponding mounting plates, the gears are arranged on the rotary cylinder rotating pieces, and the gears are meshed with gear teeth on the excircle of the second semicircular ring; the second supporting table is fixedly connected between the two mounting plates; the carrier plate is also provided with an air receiving valve which is connected with the pipeline of the lower pressure cylinder and the pipeline of the rotary cylinder; the machine table is provided with a telescopic air pipe which is used for being connected with the air receiving valve, and the telescopic air pipe is connected with an air supply device.

Furthermore, a frame body with one end of an opening structure is arranged on the second support table, a compression spring is arranged at an opening part of the frame body, a pressing block is arranged at a compression end of the compression spring, and the pressing block and the frame body form the second positioning cavity.

Furthermore, an installation cavity is arranged on the second support table, an elastic support block is arranged in the installation cavity, and the frame body and the compression spring are arranged on the elastic support block; an elastic pressure rod is arranged around the mounting cavity.

Furthermore, a third support table is arranged on the support plate, and a plurality of third positioning cavities are arranged on the third support table and used for positioning the PCB; and a PCB feeding mechanism is also arranged between the magnetic core feeding device and the first dispenser.

Further, the PCB board feeding mechanism comprises a PCB positioning platform deck and a first picking mechanical arm arranged on the PCB positioning platform deck; the PCB positioning carrying platform is used for stacking and positioning the PCB, and the first picking mechanical arm is used for picking up the PCB on the PCB positioning carrying platform and positioning the PCB in the third positioning cavity.

Further, the magnetic core feeding device comprises a supporting seat, two groups of secondary positioning mechanisms and two groups of grabbing mechanical arms; the supporting seat is arranged on one side of the machine table, and the two groups of grabbing mechanical arms and the two groups of secondary positioning mechanisms are arranged on the supporting seat; the grabbing manipulator is used for grabbing the corresponding magnetic cores and positioning the magnetic cores into the corresponding secondary positioning mechanisms and then grabbing and positioning the magnetic cores onto the positioning fixture.

Further, the rubber belt wrapping device comprises a rack, a support, a translation mechanism, a vertical plate, a rubber belt disc, a lifting mechanism, a rubber belt clamp, an installation block, a roller, a pneumatic cutter, a rotating shaft, a driving mechanism, a telescopic ejector rod and a second picking mechanical arm; the rack is arranged on one side of the machine table, the bracket is arranged on the rack, the translation mechanism is arranged on the rack, the vertical plate is arranged on a moving seat of the translation mechanism, and the material belt disc is arranged at the upper end of the vertical plate and used for storing adhesive tapes; the lifting mechanism is arranged on the vertical plate, and the adhesive tape is clamped at the lower end of the lifting mechanism; the mounting block is arranged on one side of the lifting mechanism, and the roller is arranged at the bottom end of the mounting block; the pneumatic cutter is arranged between the roller and the lifting mechanism; the rotating shaft is rotatably connected to the lower end of the bracket, and the driving mechanism is connected with the rotating shaft and used for driving the rotating shaft to rotate; the telescopic ejector rod is arranged on the rack; the rotating shaft and the telescopic end of the telescopic ejector rod are both provided with a clamping groove, and the second picking mechanical arm is arranged on the rack and used for clamping the planar transformer in the baking oven to be positioned between the rotating shaft and the telescopic ejector rod.

And the rubber belt packaging machine further comprises a testing device, a marking machine and a discharging manipulator, wherein one side of the testing device is arranged at the tail end of the rubber belt packaging device.

One or more technical solutions in the planar transformer assembly device provided by the embodiment of the present invention at least have the following technical effects:

1. the magnetic core feeding device is used for respectively positioning a first magnetic core and a second magnetic core to be formed by a planar transformer in a first positioning cavity and a second positioning cavity of a positioning clamp; the pushing mechanism pushes the positioning fixture to sequentially pass through the first dispenser, the PCB combination device and the second dispenser; dispensing glue on the upper surfaces of the first magnetic core and the second magnetic core through a first glue dispenser, and combining the PCB between the first magnetic core and the second magnetic core through a PCB combining device; and pushing the flat transformer into a baking oven for baking and curing, and finally, encapsulating the flat transformer by using an encapsulating tape device, thereby completing the assembly of the flat transformer, realizing automatic assembly, reducing the workload of workers and improving the assembly efficiency.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a front view of a planar transformer assembly apparatus according to an embodiment of the present invention.

Fig. 2 is a top view of a planar transformer assembly apparatus according to an embodiment of the present invention.

Fig. 3 is a top view of the positioning fixture of the planar transformer assembling apparatus provided in the embodiment of the present invention, the positioning fixture being disposed on the pushing mechanism.

Fig. 4 is a structural diagram of the positioning fixture of the planar transformer assembling apparatus according to the embodiment of the present invention.

Fig. 5 is a layout cross-sectional view of the positioning fixture of the planar transformer assembling apparatus according to the embodiment of the present invention.

Fig. 6 is a structural diagram of the taping device of the planar transformer assembling apparatus according to an embodiment of the present invention.

Fig. 7 is a partial view of the taping device of the planar transformer assembly apparatus according to an embodiment of the present invention.

Fig. 8 is a structural diagram of a lifting mechanism portion of the taping device of the planar transformer assembling apparatus according to an embodiment of the present invention.

Detailed Description

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

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In an embodiment of the present invention, referring to fig. 1 to 3, a planar transformer assembling apparatus includes a machine table 100, a positioning fixture 200, a pushing mechanism 300, a magnetic core feeding device 400, a first dispenser 500, a PCB assembly device 600, a second dispenser 700, a baking oven 800, and a taping device 900. Push mechanism 300 locates on board 100 for the propelling movement positioning fixture 200 passes through in proper order magnetic core loading attachment 400 first point gum machine 500 PCB board combination arrangement 600 with second point gum machine 700. The positioning fixture 200 is provided with a first positioning cavity 201 and a second positioning cavity 202. The magnetic core feeding device 400 is used for clamping and assembling a first magnetic core and a second magnetic core of a planar transformer to be positioned in the first positioning cavity 201 and the second positioning cavity 202 respectively. The first dispenser 500 is used for dispensing on the first magnetic core and the second magnetic core. The PCB assembly apparatus 600 is used to clamp the PCB assembly on the first magnetic core. The second dispenser 700 is used for dispensing conductive paste on the PCB. The baking oven 800 is used for baking and curing the assembled planar transformer. The taping device 900 is disposed at the tail end of the baking oven 800, and is used for winding a tape on the assembled planar transformer. Specifically, the magnetic core feeding device 400 positions a first magnetic core and a second magnetic core to be formed by the planar transformer in the first positioning cavity 201 and the second positioning cavity 202 of the positioning fixture 200, respectively. The pushing mechanism 300 pushes the positioning fixture 200 to sequentially pass through the first dispenser 500, the PCB assembly device 600, and the second dispenser 700. Dispensing glue on the upper surfaces of the first magnetic core and the second magnetic core through a first glue dispenser 500, and combining the PCB between the first magnetic core and the second magnetic core through a PCB combining device 600; and then the planar transformer is pushed into a baking oven 800 to be baked and cured, and finally the planar transformer is encapsulated by the encapsulation device 900, so that the assembly of the planar transformer is completed, the automatic assembly is realized, the manual workload is reduced, and the assembly efficiency is improved.

Further, the pushing mechanism 300 is a servo motor-driven pusher.

Further, referring to fig. 4, an embodiment of the positioning fixture 200 specifically includes a carrier 210, a first supporting stage 220, a second supporting stage 230, and a turnover mechanism 240. The carrier plate 210 is connected to the pushing mechanism 300, the first supporting platform 220 and the turning mechanism 240 are disposed on the carrier plate 210, the second supporting platform 230 is disposed on the turning mechanism 240, and the turning mechanism 240 pushes the second supporting platform 230 to turn over and buckle on the top of the first supporting platform 220. The first positioning chamber 201 is disposed on the first support stage 220, and the second positioning chamber 202 is positioned on the second support stage 230. In this embodiment, the magnetic core loading device 400 positions the magnetic core on the first supporting stage 230 and the second supporting stage 220, respectively. After the first dispensing machine 500 finishes dispensing the magnetic core, the PCB assembly device 600 assembles the PCB on the magnetic core on the first supporting table 230, and the turnover mechanism 240 pushes the second supporting table 230 to turn over 180 degrees to be buckled at the top of the first supporting table 220, so that the magnetic core is combined with the PCB.

Further, referring to fig. 4, the turnover mechanism 240 includes two sets of down-pressing cylinders 241, a mounting plate 242, a first semi-circular ring 243, a second semi-circular ring 244, a rotating cylinder 245 and a gear 246. Two sets of the air cylinder 241 are arranged at two ends of the carrier plate 210, and the telescopic end of the air cylinder 241 is provided with the mounting plate 242. The inner ring of the first semi-circular ring 243 extends to form a first connecting portion 2430, a free end of the first connecting portion 2430 is provided with a first connecting pin 2431, the first connecting pin 2431 is rotatably connected with the mounting plate 242, and the first connecting pin 2431 is concentric with the first semi-circular ring 243. The inner ring of the second semi-circular ring 244 extends to form a second connecting portion 2440, a free end of the second connecting portion 2440 is provided with a second connecting pin 2441, the second connecting pin 2441 is rotatably connected with the other mounting plate 242, and the second connecting pin 2441 is concentric with the second semi-circular ring 244. A plurality of gear teeth 2442 are uniformly distributed on the outer ring of the second semicircular ring 244; the rotary cylinder 245 is arranged on the corresponding mounting plate 242, the gear 246 is arranged on the rotary member of the rotary cylinder 245, and the gear 246 is meshed with the gear teeth 246 on the outer circle of the second semi-circular ring 244. The second support platform 230 is fixedly connected between the two mounting plates 242. An air receiving valve (not shown in the figure) is further disposed on the carrier plate 210, and the air receiving valve is connected with the down-pressure cylinder 241 and the rotary cylinder 245 through pipelines. The machine 100 is provided with a telescopic air pipe 260 for connecting with the air receiving valve 250, and the telescopic air pipe (not shown in the figure) is connected with an air supply device. In this embodiment, when the pushing mechanism 300 pushes the positioning fixture 200 to the position of the PCB assembly 600, the telescopic air tube extends to the air receiving valve and is conducted through the air receiving valve, so as to provide an air source for the pressing cylinder 241 and the rotating cylinder 245. When the magnetic cores are combined, the rotating cylinder 245 drives the gear 246 to rotate, the second semicircular ring 244 is driven to rotate through the gear, the second supporting platform 230 is driven to overturn to the top end of the first supporting platform 220 through the second semicircular ring 244, and the second supporting platform 230 is pulled to descend by the pressing cylinder 241, so that the two magnetic cores are combined with the PCB. When the positioning fixture 200 enters the baking oven 800, the second supporting platform 230 always compresses the planar transformer, thereby preventing the planar circuit board from being dislocated during heating and curing.

Further, referring to fig. 5, a frame 231 having an open end is disposed on the second support platform 230, a compression spring 232 is disposed at the open end of the frame 231, a pressing block 233 is disposed at the compression end of the compression spring 232, and the pressing block 233 and the frame 231 form the second positioning cavity 202. In the present embodiment, when the magnetic core is positioned in the second positioning cavity 202, the pressing block 233 is pushed by the compression spring 232 to press the magnetic core in the second positioning cavity 202.

Further, referring to fig. 5, an installation cavity (not shown) is disposed on the second support platform 230, an elastic support block 234 is disposed in the installation cavity, and the frame 231 and the compression spring 232 are disposed on the elastic support block 234; an elastic compression bar 235 is also arranged around the periphery of the mounting cavity. In this embodiment, when the second supporting platform 230 is fastened to the top of the first supporting platform 220, the magnetic core is pressed by the elastic force of the elastic supporting block 234. And the PCB board is press-fastened by the elastic pressing bar 235.

Furthermore, the elastic supporting block comprises a spring and a supporting block which are arranged in the installation cavity, and a limiting part of the limiting supporting block in the installation cavity is arranged at the edge of the installation cavity.

Further, referring to fig. 4, a third supporting platform 270 is further disposed on the carrier plate 210, and a plurality of third positioning cavities 271 are further disposed on the third supporting platform 270 and used for positioning the PCB; a PCB feeding mechanism 110 is further disposed between the magnetic core feeding device 400 and the first dispenser 500. In this embodiment, after the magnetic core loading device 400 locates the magnetic core in the first locating cavity 201 and the second locating cavity 202, the PCB board is located in the third locating cavity 271 through the PCB board loading mechanism 110, so when the PCB board is assembled with the magnetic core, the PCB board in the third locating cavity 271 is picked up through the PCB board assembling device 600 and located on the magnetic core of the first supporting table 220, and then the fast assembly is realized, and the assembling efficiency is improved.

Further, the PCB assembly apparatus 600 is a three-axis manipulator.

Further, referring to fig. 1 to 3, the PCB board feeding mechanism 110 includes a PCB positioning stage 111 and a first pick-up manipulator 112 disposed on the PCB positioning stage 111. The PCB positioning stage 111 is used for stacking and positioning PCB boards, and the first picking manipulator 112 is used for picking up the PCB boards on the PCB positioning stage 111 and positioning the PCB boards into the third positioning cavity 271.

Further, referring to fig. 1 to 3, the magnetic core feeding device 400 includes a support seat 401, two sets of secondary positioning mechanisms 402 and two sets of grabbing manipulators 403. The supporting seat 401 is disposed on one side of the machine platform 100, and the two sets of grabbing manipulators 403 and the two sets of secondary positioning mechanisms 402 are disposed on the supporting seat 401. The grabbing manipulator 403 is used for grabbing the corresponding magnetic core, positioning the magnetic core into the corresponding secondary positioning mechanism 402, accurately positioning the magnetic core, and then grabbing and positioning the magnetic core onto the positioning fixture 200.

Further, referring to fig. 6 to 8, the taping device 900 includes a frame 901, a bracket 902, a translation mechanism 903, a vertical plate 904, a tape tray 905, a lifting mechanism 906, a tape clamp 907, a mounting block 908, a roller 909, a pneumatic cutter 910, a rotating shaft 911, a driving mechanism (not shown), a telescopic ejector rod 913, and a second picking robot 914. The rack 901 is disposed on one side of the machine 100, and the support 902 is disposed on the rack 901. The translation mechanism 903 is arranged on the frame 901, and the vertical plate 904 is arranged on a moving seat of the translation mechanism 903. The material tape disc 905 is arranged at the upper end of the vertical plate 904 and used for storing adhesive tapes. The lifting mechanism 906 is arranged on the vertical plate 904, and the adhesive tape clip 907 is arranged at the lower end of the lifting mechanism 906; the mounting block 908 is disposed at one side of the lifting mechanism 906, and the roller 909 is disposed at a bottom end of the mounting block 908. The pneumatic cutter 910 is disposed between the roller 909 and the lifting mechanism 906. The rotating shaft 911 is rotatably connected to the lower end of the bracket 902, and the driving mechanism is connected to the rotating shaft 911 and is used for driving the rotating shaft 911 to rotate; the telescopic ejector rod 913 is arranged on the frame 901. The rotating shaft 911 and the telescopic end of the telescopic top rod 913 are both provided with a clamping groove, and the second picking manipulator 914 is arranged on the rack 901 and used for clamping the planar transformer in the baking oven 800 and positioning the planar transformer between the rotating shaft 911 and the telescopic top rod 913. In this embodiment, the tape is positioned on tape reel 905 with the free end of the tape passing through tape clip 907, and tape clip 907 gripping the end of the tape. The plane transformer heated and cured by the baking oven 800 is positioned between the rotating shaft 911 and the telescopic top rod 913 by the second picking manipulator 914, and two ends of the PCB of the plane transformer are respectively clamped in the corresponding clamping grooves. The translation mechanism 903 pulls the tape clip 907 to move the upper end of the planar transformer, and the lifting mechanism 906 pushes the tape clip 907 to move downwards, so that the free end of the tape clip 907 gripping the tape is attached to the upper surface of the planar transformer. The adhesive tape clip 907 loosens the adhesive tape, the translation mechanism 903 pushes the adhesive tape clip 907 to move to the original position, the lifting mechanism 906 pushes the roller 909, the roller 909 enables the free end of the adhesive tape to be attached to the planar transformer, the driving mechanism 912 drives the rotating shaft 911 to rotate, the planar transformer is driven to rotate, the adhesive tape is wound on the planar transformer, and after winding, the adhesive tape is cut off through the pneumatic cutter 910, and then the adhesive tape packaging bag is completed.

Further, referring to fig. 1 and 2, the planar transformer assembling apparatus further includes a testing device 120, a marking machine 130, and a discharging robot 140, one side of which is disposed at the rear end of the taping device 900. The planar transformer is tested through the testing device 120, the marking machine 130 marks the transformer, and finally the formed transformer is taken out through the unloading manipulator 140, so that full-automatic assembly is realized, and the efficiency is improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A planar transformer assembling device is characterized in that: the device comprises a machine table, a positioning clamp, a pushing mechanism, a magnetic core feeding device, a first dispenser, a PCB (printed circuit board) combination device, a second dispenser, a baking oven and a tape wrapping device; the pushing mechanism is arranged on the machine table and used for pushing the positioning fixture to sequentially pass through the magnetic core feeding device, the first dispenser, the PCB combination device and the second dispenser; a first positioning cavity and a second positioning cavity are arranged on the positioning clamp; the magnetic core feeding device is used for clamping and assembling a first magnetic core and a second magnetic core of the planar transformer and is respectively positioned in the first positioning cavity and the second positioning cavity; the first dispensing machine is used for dispensing on the first magnetic core and the second magnetic core; the PCB assembly device is used for clamping the PCB assembly on the first magnetic core; the second glue dispenser is used for dispensing conductive glue on the PCB; the baking oven is used for baking and curing the assembled planar transformer; the tape wrapping device is arranged at the tail end of the baking oven and used for winding a tape on the assembled planar transformer.

2. The planar transformer assembly apparatus of claim 1, wherein: the positioning fixture comprises a support plate, a first support table, a second support table and a turnover mechanism; the support plate is connected with the pushing mechanism, the first support table and the turnover mechanism are arranged on the support plate, the second support table is arranged on the turnover mechanism, and the turnover mechanism pushes the second support table to turn over and buckle the top of the first support table; the first positioning cavity is arranged on the first supporting platform, and the second positioning cavity is positioned on the second supporting platform.

3. The planar transformer assembly apparatus of claim 2, wherein: the turnover mechanism comprises two groups of downward pressing air cylinders, a mounting plate, a first semicircular ring, a second semicircular ring, a rotating air cylinder and a gear; the two groups of the pressing cylinders are arranged at two ends of the carrier plate, and the telescopic ends of the two pressing cylinders are provided with the mounting plates; the inner ring of the first semicircular ring extends to form a first connecting part, a first connecting pin is arranged at the free end of the first connecting part, the first connecting pin is rotatably connected with one mounting plate, and the first connecting pin is concentric with the first semicircular ring; a second connecting part extends from the inner ring of the second semicircular ring, a second connecting pin is arranged at the free end of the second connecting part, the second connecting pin is rotatably connected with the other mounting plate, and the second connecting pin is concentric with the second semicircular ring; a plurality of gear teeth are uniformly distributed on the outer ring of the second semicircular ring; the rotary cylinders are arranged on the corresponding mounting plates, the gears are arranged on the rotary cylinder rotating pieces, and the gears are meshed with gear teeth on the excircle of the second semicircular ring; the second supporting table is fixedly connected between the two mounting plates; the carrier plate is also provided with an air receiving valve which is connected with the pipeline of the lower pressure cylinder and the pipeline of the rotary cylinder; the machine table is provided with a telescopic air pipe which is used for being connected with the air receiving valve, and the telescopic air pipe is connected with an air supply device.

4. The planar transformer assembly apparatus of claim 2 or 3, wherein: the second supporting table is provided with a frame body with one end of an opening structure, a compression spring is arranged at an opening part of the frame body, a pressing block is arranged at a compression end of the compression spring, and the pressing block and the frame body form the second positioning cavity.

5. The planar transformer assembly apparatus of claim 2 or 3, wherein: an installation cavity is arranged on the second support table, an elastic support block is arranged in the installation cavity, and the frame body and the compression spring are arranged on the elastic support block; an elastic pressure rod is arranged around the mounting cavity.

6. The planar transformer assembly apparatus according to any one of claims 3 to 5, wherein: the carrier plate is also provided with a third support platform, and the third support platform is also provided with a plurality of third positioning cavities for positioning the PCB; and a PCB feeding mechanism is also arranged between the magnetic core feeding device and the first dispenser.

7. The planar transformer assembly apparatus of claim 6, wherein: the PCB feeding mechanism comprises a PCB positioning platform deck and a first picking mechanical arm arranged on the PCB positioning platform deck; the PCB positioning carrying platform is used for stacking and positioning the PCB, and the first picking mechanical arm is used for picking up the PCB on the PCB positioning carrying platform and positioning the PCB in the third positioning cavity.

8. The planar transformer assembly apparatus of claim 1, wherein: the magnetic core feeding device comprises a supporting seat, two groups of secondary positioning mechanisms and two groups of grabbing mechanical arms; the supporting seat is arranged on one side of the machine table, and the two groups of grabbing mechanical arms and the two groups of secondary positioning mechanisms are arranged on the supporting seat; the grabbing manipulator is used for grabbing the corresponding magnetic cores and positioning the magnetic cores into the corresponding secondary positioning mechanisms and then grabbing and positioning the magnetic cores onto the positioning fixture.

9. The planar transformer assembly apparatus of claim 1, wherein: the rubber belt wrapping device comprises a rack, a support, a translation mechanism, a vertical plate, a rubber belt disc, a lifting mechanism, a rubber belt clamp, an installation block, a roller, a pneumatic cutter, a rotating shaft, a driving mechanism, a telescopic ejector rod and a second picking mechanical arm; the rack is arranged on one side of the machine table, the bracket is arranged on the rack, the translation mechanism is arranged on the rack, the vertical plate is arranged on a moving seat of the translation mechanism, and the material belt disc is arranged at the upper end of the vertical plate and used for storing adhesive tapes; the lifting mechanism is arranged on the vertical plate, and the adhesive tape is clamped at the lower end of the lifting mechanism; the mounting block is arranged on one side of the lifting mechanism, and the roller is arranged at the bottom end of the mounting block; the pneumatic cutter is arranged between the roller and the lifting mechanism; the rotating shaft is rotatably connected to the lower end of the bracket, and the driving mechanism is connected with the rotating shaft and used for driving the rotating shaft to rotate; the telescopic ejector rod is arranged on the rack; the rotating shaft and the telescopic end of the telescopic ejector rod are both provided with a clamping groove, and the second picking mechanical arm is arranged on the rack and used for clamping the planar transformer in the baking oven to be positioned between the rotating shaft and the telescopic ejector rod.

10. The planar transformer assembly apparatus of claim 1, wherein: the rubber belt packaging machine also comprises a testing device, a marking machine and a discharging manipulator, wherein one side of the testing device is arranged at the tail end of the rubber belt packaging device.