CN111770632A - A kind of PCB board that is easy to install and its installation method - Google Patents

Abstract

The invention discloses a PCB board convenient for installation and an installation method thereof.A circuit board is installed on an installation base and then is fixed in an electrical box through the installation base, so that the circuit board is only clamped and fixed, electronic components are not contacted with the inner wall of the electrical box, the circuit board can not be damaged in the installation process, and the damaged circuit board can be replaced by opening a turnover plate, therefore, the PCB board is convenient for installation, disassembly, replacement and maintenance, and the circuit board is well protected; according to the installation method of the PCB, the circuit board is connected with the installation base through the screws by one PCB installation device, and the obtained PCB which is convenient to install is installed in the electrical appliance box through the screws by the other PCB installation device, so that the production line type production is realized, and the production efficiency of the electrical appliance is effectively improved.

Description

A kind of PCB board that is easy to install and its installation method

technical field

The invention relates to the field of PCB boards, in particular to a PCB board that is easy to install and an installation method thereof.

Background technique

PCB board, also known as printed circuit board, is an important electronic component, a support body for electronic components, and a carrier for electrical connection of electronic components.

When the PCB board is in use, the board is fixed on the base, but the structure of the PCB board is relatively fragile. The current fixing method is to use bolts to fix after drilling holes in the board. During the process of use, the position of the fixing screw is easy to generate a board. It is broken, which affects the fixed use of the board. At the same time, the screws are prone to rust after long-term use, and are not easy to loosen or fix, so that the maintenance and replacement process is also easy to damage the PCB board. In the prior art, the PCB board is installed manually. The installation process is slow.

Therefore, how to improve the inconvenient installation of the existing PCB board, low installation efficiency, and easy damage to the PCB board installation process and disassembly process are the problems to be solved by the present invention.

SUMMARY OF THE INVENTION

In order to overcome the above-mentioned technical problems, the purpose of the present invention is to provide a kind of PCB board that is easy to install and its installation method: (1) by placing the circuit board between the flip plate and the bottom plate, and the middle of the circuit board is located in the installation opening, The edge position of the circuit board is clamped by the flipping board and the bottom plate, the electronic components on the circuit board are located in the installation opening, and the flipping board and the bottom plate are connected by screws to obtain the PCB board. When the PCB board is installed, Screw the screw into the connection hole on the mounting base, and install the PCB board in the electrical box through the fixing ears, which solves the problem that the existing PCB board installation process and disassembly process are easy to be damaged; (2) Install through the PCB board The equipment installs the PCB board by placing the mounting base in the positioning groove, placing the circuit board between the flip plate and the bottom plate, and generating vibration through the vibrating feeding tray to output the screws from the discharge port of the vibrating feeding tray to the groove. In the moving plate, the screw is transported to the groove mounting plate through the conveyor belt in the inner cavity of the groove moving plate, and the T-shaped plate is moved forward by the operation of the feeding cylinder, and the screw input into the groove mounting plate is pushed. Enter into the feeding trough of the feeding plate, and the entire installation mechanism moves to the feeding plate through the operation of the first moving motor until it moves to the top of the feeding plate, and the screw suction nozzle at the bottom of the electric batch head is realized by the operation of the second moving motor. Contact the screw in the feeding chute, adsorb the screw through the screw suction nozzle, drive the electric bit to move above the positioning slot through the operation of the first moving motor, and align the adsorbed screw with the connecting hole, and drive the electric bit through the second moving motor. Descend, place the adsorbed screw in the connection hole, screw the screw into the connection hole through the operation of the electric bit, connect the flip plate and the bottom plate to obtain the PCB board, place the PCB board on another conveyor, and move to the Another PCB board installation equipment is transported, the electrical box is placed in the positioning groove of another conveyor, the screws are screwed into the installation fixing holes, and the PCB board is installed in the electrical box through the fixing ears, which solves the problem of existing problems. The PCB board is not easy to install, and the installation efficiency is low.

The object of the present invention can be realized through the following technical solutions:

An easy-to-install PCB board includes a circuit board and an installation base, wherein the circuit board is installed inside the installation base;

Wherein, the installation base includes a flip plate, a fixed plate, a bottom plate, a hinge, an installation port, a connection hole, a fixed ear, and an installation and fixed hole. The middle positions of the four sides of the bottom plate are installed with fixed ears, and the fixed ears are provided with There are installation fixing holes, a fixing plate is installed on one side of the top of the bottom plate, both ends of the top of the fixing plate are connected to the top two ends of the flipping plate respectively through hinges, and installation openings are provided on both the bottom plate and the flipping plate, so The bottom plate and the flip plate are provided with connecting holes at one end away from the hinge; the circuit board is installed between the bottom plate and the flip plate, and the middle part of the circuit board is located in the installation opening.

As a further scheme of the present invention: a kind of installation method of the PCB board that is easy to install, comprises the following steps:

Step 1: Place several circuit boards on the carrier board of a PCB board installation equipment, and transport the installation base to the PCB board installation equipment through the conveyor. The staff takes a installation base and places it in the positioning slot, and opens the flip plate. , place a circuit board between the flip plate and the bottom plate, and the middle of the circuit board is located in the installation opening;

Step 2: Add screws to the vibrating feeding tray, start the vibrating feeding tray, the vibrating feeding tray generates vibration, and output the screws from the discharge port of the vibrating feeding tray, and the round heads of the output screws all go up into the grooves In the moving plate, the screw is transported to the groove mounting plate through the conveyor belt in the inner cavity of the groove moving plate;

Step 3: Start the feeding cylinder, the feeding cylinder runs to push the T-shaped plate to move forward, and push the screws input into the groove mounting plate into the feeding groove of the feeding plate;

Step 4: Start the first moving motor, and the first moving motor drives the second gear belt to rotate through the second driving gear and the second driven gear, thereby driving the second moving motor to move in the transfer port, thereby driving the load-bearing mounting plate The whole installation mechanism is moved to the feeding plate until it moves directly above the feeding plate;

Step 5: Start the second moving motor, the second moving motor drives the first gear belt to rotate through the first driving gear and the first driven gear, thereby driving the sliding base to slide on the first sliding rail through the splint, which drives the The screw suction nozzle at the bottom of the electric bit touches the screw in the feeding trough, and a screw is adsorbed through the screw suction nozzle;

Step 6: Drive the electric bit to move above the positioning slot through the operation of the first moving motor, align the adsorbed screw with the connection hole, drive the electric bit to descend through the second moving motor, and place the adsorbed screw in the connection hole, Start the electric bit, turn the screw into the connection hole, connect the flip board and the bottom plate, install the circuit board on the mounting base, and get the PCB board;

Step 7: Place the PCB board on another conveyor, transport it to another PCB board installation equipment, place the electrical box in the positioning groove of the other conveyor, repeat the above steps, screw the screws into the installation and fix it The PCB board is installed in the electrical box through the fixing ears, and the installation process of the PCB board is completed.

As a further solution of the present invention: the PCB board installation equipment includes an operation table, an installation mechanism, an installation box, a vibrating feeding tray, a support frame, a groove moving plate, a feeding plate, a groove mounting plate, and a feeding cylinder, An operation table is installed on one side of the top of the support frame, an elastic plate is installed on the side of the top of the support frame away from the operation table, and an object carrier is installed at the bottom of the support frame;

A positioning groove is provided on one side of the top of the operating table, a vertical column is installed on the other side of the top of the operating table, a mounting box is installed on the top of the vertical column, and a mounting mechanism is slidably connected to one side of the mounting box; the elastic plate A vibrating feeding plate is installed on the top, the discharge port of the vibrating feeding plate is connected with a groove feeding plate, a conveyor belt is arranged in the inner cavity of the groove feeding plate, and the groove feeding plate is installed On the top of the first support table, one end of the bottom of the first support table is installed on the top of the operation table, the other end of the bottom of the first support table is installed with a support column, and the bottom end of the support column is connected to the top of the support plate, The support plate is located between the operation table and the elastic plate, and one end of the support plate is connected to one side of the operation table; Above, the groove mounting plate is installed on the top of the second support table, the second support table is installed on the top of the operating table, and a feeding plate is installed at one end of the inner cavity of the groove mounting plate. A feeding groove is opened on the plate, and a feeding cylinder is installed at the other end of the inner cavity of the groove mounting plate. The rod is attached with a T-shaped plate that slides into the cavity of the groove mounting plate.

As a further solution of the present invention: wherein, the mounting mechanism includes a load-bearing mounting plate, a first driving gear, a first driven gear, a first gear belt, a splint, a first sliding rail, a sliding base, an electric bit, and a fixing seat , screw suction nozzle, a first sliding rail is installed on the load-bearing mounting plate, a sliding base is slidably connected to the first sliding rail, a fixing seat is installed on one side of the bottom end of the sliding base, and the fixing seat passes through An electric bit is installed, a screw suction nozzle is installed at the bottom end of the electric bit, a first driven gear is rotatably installed at the bottom end of the load-bearing mounting plate, and the first driven gear is connected with a first driven gear through a first gear belt. A driving gear, a splint is installed on the first gear belt, and one side of the splint is connected to one side of the sliding base.

As a further solution of the present invention: wherein, the installation box includes a box body, a front sealing plate, a transfer port, a first moving motor, a C-shaped gusset, a second moving motor, and a supporting and mounting plate, and one side of the box body is installed There is a front sealing plate, a transfer port is opened on the front sealing plate, a support installation plate is installed vertically in the inner cavity of the box, a C-shaped buckle plate is slidably connected on the front sealing plate, and the C-shaped buckle plate is A slider is installed on the top and bottom of a side away from the front sealing plate, a motor installation hole is opened on one side of the C-shaped gusset plate, and a second moving motor is installed through the C-shaped gusset plate through the motor installation hole, so One end of the second moving motor is connected to one side of the load-bearing mounting plate, the first driving gear is sleeved on the output shaft of the second moving motor, the second moving motor passes through the transfer port, and one end of the supporting mounting plate passes through A first moving motor is installed, a second driving gear is sleeved on the output shaft of the first moving motor, a connecting seat is installed on the other end of the supporting and mounting plate, and a second driven gear is rotatably installed on the connecting seat Gear, the second driving gear and the second driven gear are connected by a second gear belt, the top of the second gear belt is connected to the bottom of the second moving motor, and the support mounting plate is close to a front cover plate. Second sliding rails are installed on the top and bottom of the side, and the two sliding blocks are respectively slidably connected to the two second sliding rails.

Beneficial effects of the present invention:

(1) A kind of easy-to-install PCB board of the present invention, wherein the circuit board is installed inside the installation base, when installing the circuit board, the circuit board is placed between the flip plate and the bottom plate, and the middle of the circuit board is located in the installation opening, The edge position of the circuit board is clamped by the flipping board and the bottom plate, the electronic components on the circuit board are located in the installation opening, and the flipping board and the bottom plate are connected by screws to obtain the PCB board. When the PCB board is installed, Screw the screws into the connection holes on the mounting base, and install the PCB board in the electrical box through the fixing ears; The board is only clamped and fixed, and the electronic components are not in contact with the inner wall of the electrical box, so that the installation process will not be damaged, and the damaged circuit board can be replaced by opening the flip board. Therefore, the PCB board is easy to install and remove. , replacement and maintenance, and the circuit board is well protected;

(2) An installation method of a PCB board of the present invention that is easy to install, the PCB board is installed by the PCB board installation equipment, the installation base is placed in the positioning groove, the circuit board is placed between the flip board and the bottom plate, and the PCB board is installed by the PCB board installation equipment. The vibrating feeding plate generates vibration and outputs the screws from the discharge port of the vibrating feeding plate to the groove moving plate. The operation of the cylinder pushes the T-shaped plate to move forward, and pushes the screws input into the groove mounting plate into the feeding slot of the feeding plate. Right above the material plate, through the operation of the second moving motor, the screw suction nozzle at the bottom of the electric bit is contacted with the screw in the feeding trough, the screw suction nozzle is used to absorb the screw, and the operation of the first moving motor drives the electric bit to move to the positioning slot. Above, align the adsorbed screw with the connection hole, drive the electric bit head down through the second moving motor, place the adsorbed screw in the connection hole, screw the screw into the connection hole through the operation of the electric bit head, turn the flip plate, Connect the bottom plate to obtain the PCB board, place the PCB board on another conveyor, transport it to another PCB board installation equipment, place the electrical box in the positioning groove of the other conveyor, and screw the screw into the installation In the fixing hole, the PCB board is installed in the electrical box through the fixing ears; the installation method of the PCB board is to connect the circuit board and the mounting base with screws through a PCB board installation device, and then use another PCB board installation device to The obtained PCB board that is easy to install is installed in the electrical box by screws, and the PCB board installation method realizes the assembly line production through the PCB board installation equipment, so that the speed of the PCB board installation is greatly improved, effectively improving the Productivity of electrical appliances.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings.

1 is a schematic structural diagram of a PCB board that is easy to install in the present invention;

Fig. 2 is the structural representation of the mounting base in the present invention;

Fig. 3 is the assembly schematic diagram of PCB board installation equipment and conveyor in the present invention;

Fig. 4 is the structural representation of the PCB board installation equipment in the present invention;

Fig. 5 is the enlarged schematic diagram of the place A in Fig. 4 in the present invention;

Fig. 6 is the assembly schematic diagram of the installation mechanism and the installation box in the present invention;

Fig. 7 is the internal structure schematic diagram of the installation box in the present invention;

Figure 8 is a structural connection view on the side of the support mounting plate of the present invention.

In the figure: 10, circuit board; 20, installation base; 30, PCB board installation equipment; 40, conveyor; 201, flip plate; 202, fixed plate; 203, bottom plate; 204, hinge; 205, installation port; 206, connection hole; 207, fixing ear; 208, installation fixing hole; 301, console; 302, positioning slot; 303, installation mechanism; 304, column; 305, installation box; 306, vibration feeding plate; 307, elastic plate; 308, supporting frame; 309, loading plate; 310, first supporting platform; 311, supporting plate; 312, supporting column; 313, groove moving plate; 314, feeding chute; 315, feeding plate; 316, T-shaped plate; 317, groove mounting plate; 318, feeding cylinder; 319, second support table; 3030, load-bearing mounting plate; 3031, first driving gear; 3032, first driven gear; 3033, first gear Belt; 3034, splint; 3035, first slide rail; 3036, sliding base; 3037, electric bit; 3038, fixing seat; 3039, screw nozzle; 3051, box body; 3052, front sealing plate; 3053, transfer port 3054, the first moving motor; 3055, the C-shaped gusset plate; 3056, the second moving motor; 3057, the support mounting plate; 3058, the second slide rail; block; 3062, the motor mounting hole; 3063, the second gear belt; 3064, the second driven gear.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Example 1:

1-2, the present embodiment is a PCB board that is easy to install, including a circuit board 10 and an installation base 20, and the circuit board 10 is installed inside the installation base 20;

The mounting base 20 includes a flip plate 201 , a fixing plate 202 , a bottom plate 203 , a hinge 204 , an installation port 205 , a connecting hole 206 , a fixing ear 207 , and a mounting and fixing hole 208 , and the middle positions of the four sides of the bottom plate 203 are all installed There are fixing ears 207, the fixing ears 207 are provided with mounting fixing holes 208, the top side of the bottom plate 203 is mounted with a fixing plate 202, and both ends of the top of the fixing plate 202 are connected to the flipping plate 201 through hinges 204. Both ends of the top, the bottom plate 203 and the flip plate 201 are provided with installation openings 205, and the bottom plate 203 and the flip plate 201 are provided with connecting holes 206 at one end away from the hinge 204; the circuit board 10 is installed on the bottom plate 203 and flipped Between the boards 201 , the middle of the circuit board 10 is located in the installation opening 205 .

Example 2

Please refer to Fig. 1-8, a kind of installation method of the PCB board that is easy to install in the present embodiment, comprises the following steps:

Step 1: Place a number of circuit boards 10 on the carrier board 309 of a PCB board installation equipment 30, and transport the installation base 20 to the PCB board installation equipment 30 through the conveyor 40. In the positioning slot 302, the flip plate 201 is opened, and a circuit board 10 is placed between the flip plate 201 and the bottom plate 203, and the middle of the circuit board 10 is located in the installation opening 205;

Step 2: Add screws to the vibrating feeding tray 306, start the vibrating feeding tray 306, and the vibrating feeding tray 306 generates vibration to output the screws from the discharge port of the vibrating feeding tray 306, and the round heads of the output screws are all facing up into the groove moving plate 313, the screw is transported to the groove mounting plate 317 through the conveyor belt in the inner cavity of the groove moving plate 313;

Step 3: Start the feeding cylinder 318, the feeding cylinder 318 operates to push the T-shaped plate 316 to move forward, and pushes the screws input into the groove mounting plate 317 into the feeding groove 314 of the feeding plate 315;

Step 4: Start the first moving motor 3054, the first moving motor 3054 drives the second gear belt 3063 to rotate through the second driving gear 3060 and the second driven gear 3064, thereby driving the second moving motor 3056 to move in the transfer port 3053 , thereby driving the entire installation mechanism 303 to move to the upper feeding plate 315 through the load-bearing installation plate 3030 until it moves directly above the feeding plate 315;

Step 5: Start the second moving motor 3056. The second moving motor 3056 drives the first gear belt 3033 to rotate through the first driving gear 3031 and the first driven gear 3032, thereby driving the sliding base 3036 through the splint 3034 in the first The slide rail 3035 slides up, which drives the screw suction nozzle 3039 at the bottom of the electric bit 3037 to contact the screw in the feeding chute 314, and sucks a screw through the screw suction nozzle 3039;

Step 6: Drive the electric bit 3037 to move above the positioning slot 302 through the operation of the first moving motor 3054, align the adsorbed screw with the connecting hole 206, and drive the electric bit 3037 down by the second moving motor 3056, and remove the adsorbed screw Place it in the connection hole 206, start the electric bit 3037, the electric bit 3037 operates, screw the screw into the connection hole 206, connect the flip plate 201 and the bottom plate 203, that is, install the circuit board 10 on the mounting base 20, and obtain the PCB plate;

Step 7: Place the PCB board on another conveyor 40, transport it to another PCB board installation equipment 30, place the electrical box in the positioning groove 302 of the other conveyor 40, repeat the above steps, The screws are screwed into the installation fixing holes 208, and the PCB board is installed in the electrical box through the fixing ears 207 to complete the installation process of the PCB board.

Example 3:

3-8, the PCB board mounting device 30 in this embodiment includes an operating table 301, a mounting mechanism 303, a mounting box 305, a vibrating feeding plate 306, a support frame 308, a groove moving plate 313, The feeding plate 315, the groove mounting plate 317, the feeding cylinder 318, the operating table 301 is installed on the top side of the support frame 308, and the elastic plate 307 is installed on the top side of the supporting frame 308 away from the operating table 301. A carrier plate 309 is installed at the bottom of the support frame 308;

One side of the top of the operating table 301 is provided with a positioning groove 302, the other side of the top of the operating table 301 is vertically installed with a column 304, the top of the vertical column 304 is installed with a mounting box 305, and one side of the mounting box 305 is slidably connected with a Installation mechanism 303; a vibrating feeding plate 306 is installed on the top of the elastic plate 307, and a groove feeding plate 313 is connected to the discharge port of the vibrating feeding plate 306, and the inner cavity of the groove feeding plate 313 is A conveyor belt is provided, the groove moving plate 313 is installed on the top of the first support table 310, one end of the bottom of the first support table 310 is installed on the top of the operation table 301, and the other end of the bottom of the first support table 310 is installed A support column 312 is installed, the bottom end of the support column 312 is connected to the top of the support plate 311 , the support plate 311 is located between the operation table 301 and the elastic plate 307 , and one end of the support plate 311 is connected to one end of the operation table 301 . on the side; one end of the groove moving plate 313 away from the vibrating feeding plate 306 is connected to the side of the groove mounting plate 317, and the groove mounting plate 317 is installed on the top of the second support table 319. The second support table 319 is installed on the top of the operating table 301, and a feeding plate 315 is installed at one end of the inner cavity of the groove mounting plate 317. The feeding plate 315 is provided with a feeding groove 314, and the groove is installed A feeding cylinder 318 is installed at the other end of the inner cavity of the plate 317. The bottom of one end of the feeding cylinder 318 is installed on the top of the second support table 319 through a spacer block. The movable rod of the feeding cylinder 318 is connected with a T-shaped plate 316. The T-shaped plate 316 is slidably connected to the inner cavity of the groove mounting plate 317 .

The mounting mechanism 303 includes a load-bearing mounting plate 3030, a first driving gear 3031, a first driven gear 3032, a first gear belt 3033, a splint 3034, a first sliding rail 3035, a sliding base 3036, an electric bit 3037, A fixed seat 3038, a screw suction nozzle 3039, a first sliding rail 3035 is installed on the load-bearing mounting plate 3030, a sliding base 3036 is slidably connected to the first sliding rail 3035, and a bottom side of the sliding base 3036 is installed with A fixing seat 3038, an electric bit 3037 is installed through the fixing seat 3038, a screw suction nozzle 3039 is installed at the bottom end of the electric bit 3037, and a first driven gear 3032 is rotatably installed at the bottom end of the load-bearing mounting plate 3030 , the first driven gear 3032 is connected with a first driving gear 3031 through a first gear belt 3033, a splint 3034 is installed on the first gear belt 3033, and one side of the splint 3034 is connected to one side of the sliding base 3036 superior.

The installation box 305 includes a box body 3051, a front sealing plate 3052, a transfer port 3053, a first moving motor 3054, a C-shaped gusset plate 3055, a second moving motor 3056, and a supporting and mounting plate 3057. The box body 3051 is a A front sealing plate 3052 is installed on the side, a transfer port 3053 is opened on the front sealing plate 3052, a support mounting plate 3057 is vertically installed in the inner cavity of the box body 3051, and a C-shaped sealing plate is slidably connected to the front sealing plate 3052. The gusset plate 3055, the top and bottom of the side of the C-shaped gusset plate 3055 away from the front sealing plate 3052 are installed with sliders 3061, and a motor mounting hole 3062 is opened on one side of the C-shaped gusset plate 3055. A second moving motor 3056 is installed through the gusset plate 3055 through the motor mounting hole 3062 . On the output shaft, the second moving motor 3056 penetrates through the transfer port 3053, and one end of the support and mounting plate 3057 is fitted with a first moving motor 3054, and a second driving motor is sleeved on the output shaft of the first moving motor 3054. Gear 3060, a connecting seat 3059 is mounted on the other end of the support and mounting plate 3057, and a second driven gear 3064 is rotatably mounted on the connecting seat 3059, between the second driving gear 3060 and the second driven gear 3064 Connected by a second gear belt 3063 , the top of the second gear belt 3063 is connected to the bottom of the second moving motor 3056 , and a second slide rail is installed on the top and bottom of the side of the support mounting plate 3057 close to the front cover plate 3052 3058 , the two sliding blocks 3061 are slidably connected to the two second sliding rails 3058 respectively.

In the description of this specification, description with reference to the terms "one embodiment," "example," "specific example," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one aspect of the present invention. in one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above contents are only examples and descriptions of the present invention, and those skilled in the art can make various modifications or supplements to the described specific embodiments or replace them in similar ways, as long as they do not deviate from the invention or exceed the present rights The scope defined by the claims shall all belong to the protection scope of the present invention.

Claims (5)

1. The PCB convenient to mount is characterized by comprising a circuit board (10) and a mounting base (20), wherein the circuit board (10) is mounted inside the mounting base (20);

the mounting base (20) comprises a turnover plate (201), a fixing plate (202), a bottom plate (203), a hinge (204), a mounting port (205), a connecting hole (206), fixing lugs (207) and mounting fixing holes (208), wherein the fixing lugs (207) are mounted at the middle positions of four side surfaces of the bottom plate (203), the mounting fixing holes (208) are formed in the fixing lugs (207), the fixing plate (202) is mounted on one side of the top of the bottom plate (203), two ends of the top of the fixing plate (202) are respectively connected to two ends of the top of the turnover plate (201) through the hinge (204), the mounting ports (205) are formed in the bottom plate (203) and the turnover plate (201), and the connecting hole (206) is formed in one end, far away from the hinge (204), of the bottom plate (203) and one end, far away from; the circuit board (10) is arranged between the bottom plate (203) and the turnover plate (201), and the middle of the circuit board (10) is positioned in the mounting opening (205).

2. A method for mounting a PCB board convenient for mounting is characterized by comprising the following steps:

the method comprises the following steps: placing a plurality of circuit boards (10) on an object carrying plate (309) of a PCB (printed circuit board) mounting device (30), conveying a mounting base (20) to the PCB mounting device (30) through a conveyor (40), placing one mounting base (20) in a positioning groove (302) by a worker, opening a turnover plate (201), placing one circuit board (10) between the turnover plate (201) and a bottom plate (203), and positioning the middle part of the circuit board (10) in a mounting opening (205);

step two: adding screws into the vibrating feeding tray (306), starting the vibrating feeding tray (306), generating vibration by the vibrating feeding tray (306) to output the screws from a discharge hole of the vibrating feeding tray (306), enabling round heads of the output screws to enter the groove material moving plate (313) upwards, and conveying the screws to the groove mounting plate (317) through a conveying belt in an inner cavity of the groove material moving plate (313);

step three: starting a feeding cylinder (318), wherein the feeding cylinder (318) operates to push a T-shaped plate (316) to move forwards, and screws input into a groove mounting plate (317) are pushed into a feeding groove (314) of a feeding plate (315);

step four: starting a first moving motor (3054), wherein the first moving motor (3054) operates to drive a second gear belt (3063) to rotate through a second driving gear (3060) and a second driven gear (3064), so that a second moving motor (3056) is driven to move in a transfer port (3053), and the whole mounting mechanism (303) is driven to move to an upper material plate (315) through a bearing mounting plate (3030) until the whole mounting mechanism (303) moves to be right above the upper material plate (315);

step five: starting a second moving motor (3056), wherein the second moving motor (3056) runs to drive a first gear belt (3033) to rotate through a first driving gear (3031) and a first driven gear (3032), so that a sliding base (3036) is driven to slide on a first sliding rail (3035) through a clamping plate (3034), a screw suction nozzle (3039) at the bottom end of an electric screwdriver head (3037) is driven to contact a screw in an upper material groove (314), and the screw is sucked through the screw suction nozzle (3039);

step six: the electric screwdriver head (3037) is driven to move above the positioning groove (302) through the operation of the first moving motor (3054), the adsorbed screw is aligned to the connecting hole (206), the electric screwdriver head (3037) is driven to descend through the second moving motor (3056), the adsorbed screw is placed in the connecting hole (206), the electric screwdriver head (3037) is started, the electric screwdriver head (3037) is operated to screw the screw into the connecting hole (206), the turnover plate (201) and the bottom plate (203) are connected, namely the circuit board (10) is installed on the installation base (20), and the PCB is obtained;

step seven: placing the PCB on another conveyor (40), conveying the PCB to another PCB mounting device (30), placing the electric appliance box in a positioning groove (302) of the other conveyor (40), repeating the steps, screwing the screws into the mounting fixing holes (208), and mounting the PCB in the electric appliance box through the fixing lugs (207) to finish the mounting process of the PCB.

3. The method for mounting the PCB convenient to mount according to claim 2, wherein the PCB mounting device (30) comprises an operation table (301), a mounting mechanism (303), a mounting box (305), a vibrating feeding tray (306), a support frame (308), a groove material moving plate (313), a feeding plate (315), a groove mounting plate (317) and a feeding cylinder (318), wherein the operation table (301) is mounted on one side of the top of the support frame (308), an elastic plate (307) is mounted on one side of the top of the support frame (308) far away from the operation table (301), and an object plate (309) is mounted at the bottom of the support frame (308);

a positioning groove (302) is formed in one side of the top of the operating platform (301), an upright post (304) is vertically installed on the other side of the top of the operating platform (301), an installation box (305) is installed on the top of the upright post (304), and an installation mechanism (303) is connected to one side of the installation box (305) in a sliding mode; the vibration feeding tray (306) is installed at the top of the elastic plate (307), a discharging port of the vibration feeding tray (306) is connected with a groove material moving plate (313), a conveying belt is arranged in an inner cavity of the groove material moving plate (313), the groove material moving plate (313) is installed at the top of a first supporting table (310), one end of the bottom of the first supporting table (310) is installed at the top of the operating table (301), a supporting column (312) is installed at the other end of the bottom of the first supporting table (310), the bottom end of the supporting column (312) is connected to the top of the supporting plate (311), the supporting plate (311) is located between the operating table (301) and the elastic plate (307), and one end of the supporting plate (311) is connected to one side of the operating table (301); recess removes flitch (313) and keeps away from on one side of vibration feeding tray (306) one end through connection to recess mounting panel (317), the top at second supporting bench (319) is installed in recess mounting panel (317), second supporting bench (319) is installed on the top of operation panel (301), flitch (315) are installed to recess mounting panel (317) inner chamber one end, go up silo (314) on having seted up on flitch (315), material loading cylinder (318) are installed to recess mounting panel (317) inner chamber other end, the top at second supporting bench (319) is installed through the cushion to material loading cylinder (318) one end bottom, the movable rod of material loading cylinder (318) is connected with T shaped plate (316), T shaped plate (316) sliding connection is in the inner chamber of recess mounting panel (317).

4. The method for mounting the PCB easy to mount according to claim 3, wherein the mounting mechanism (303) comprises a bearing mounting plate (3030), a first driving gear (3031), a first driven gear (3032), a first gear belt (3033), a clamping plate (3034), a first slide rail (3035), a sliding base (3036), an electric screwdriver bit (3037), a fixing base (3038) and a screw suction nozzle (3039), the bearing mounting plate (3030) is provided with the first slide rail (3035), the first slide rail (3035) is slidably connected with the sliding base (3036), one side of the bottom end of the sliding base (3036) is provided with the fixing base (3038), the electric screwdriver bit (3037) is penetratingly mounted on the fixing base (3038), the screw suction nozzle (3039) is mounted at the bottom end of the electric screwdriver bit (3037), the first driven gear (3032) is rotatably mounted at the bottom end of the bearing mounting plate (3030), the first driven gear (3032) is connected with a first driving gear (3031) through a first gear belt (3033), a clamping plate (3034) is mounted on the first gear belt (3033), and one side of the clamping plate (3034) is connected to one side of the sliding base (3036).

5. The method for installing the PCB convenient to install according to claim 3, wherein the installation box (305) comprises a box body (3051), a front sealing plate (3052), a transfer port (3053), a first moving motor (3054), a C-shaped buckle plate (3055), a second moving motor (3056) and a support installation plate (3057), the front sealing plate (3052) is installed on one side of the box body (3051), the transfer port (3053) is formed in the front sealing plate (3052), the support installation plate (3057) is vertically installed in an inner cavity of the box body (3051), the C-shaped buckle plate (3055) is slidably connected to the front sealing plate (3052), a sliding block (3061) is installed at the top and the bottom of one side of the C-shaped buckle plate (3055) far away from the front sealing plate (3052), a motor installation hole (3062) is formed in one side of the C-shaped buckle plate (3055), and a second moving motor (3056) is installed through the motor installation hole (3062), one end of the second moving motor (3056) is connected to one side of the bearing mounting plate (3030), the first driving gear (3031) is sleeved on an output shaft of the second moving motor (3056), the second moving motor (3056) penetrates through the transfer port (3053), one end of the supporting mounting plate (3057) penetrates through the first moving motor (3054), the output shaft of the first moving motor (3054) is sleeved with the second driving gear (3060), the other end of the supporting mounting plate (3057) is provided with the connecting seat (3059), the connecting seat (3059) is rotatably provided with the second driven gear (3064), the second driving gear (3060) and the second driven gear (3064) are connected through the second gear belt (3063), the top of the second gear belt (3063) is connected to the bottom of the second moving motor (3056), and the supporting mounting plate (3057) is close to the top of one side of the front sealing plate (3052), The bottom of the sliding block is provided with a second sliding rail (3058), and the two sliding blocks (3061) are respectively connected to the two second sliding rails (3058) in a sliding mode.

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