CN117991077A - Universal burning equipment for multi-type PCBA (printed circuit board assembly) - Google Patents

Abstract

The invention discloses universal burning equipment for multiple PCBA boards, belongs to the technical field of PCBA board processing, and aims to solve the technical problems that high-load testing of PCBA boards is easy to generate partial dissipation heat, the heat is continuously converged in the burning equipment, the internal environment of the burning equipment is extremely easy to be excessively dry, more static electricity is generated, and the PCBA boards subjected to subsequent burning have larger influence; the invention comprises a supporting table, wherein a conveying groove is concavely arranged in the center of the top of the supporting table, a lower notch is concavely arranged in the middle of the conveying groove, and a feeding frame is sleeved in the conveying groove in a sliding way; the invention can realize the regulation and control of the temperature and humidity environment in the burning equipment during the burning, effectively maintain the test environment of the PCBA board in the burning process, prevent the invasion of external dust-containing air, reduce the static electricity on the clamp, the interface connection module and the PCBA board through the regulation and control of the temperature and humidity environment in the burning equipment, and effectively avoid the damage of the static electricity to the precise electronic devices on the PCBA board.

Description

Universal burning equipment for multi-type PCBA (printed circuit board assembly)

Technical Field

The invention relates to the technical field of PCBA board processing, in particular to universal burning equipment for multiple types of PCBA boards.

Background

The PCBA board burning equipment is a process of writing program codes into a PCBA board, which is usually carried out in the final stage of manufacturing an electronic product, wherein the PCBA also refers to a process of assembling a printed circuit board and components to form the electronic product, and the program burning equipment writes the pre-written program codes into a memory on the PCBA board, so that the equipment can work according to the requirement of the program;

In connection with the above, it should be noted that: the manufacturer of equipment production and assembly needs to carry out the burning test before and after assembly according to the factory equipment and various types of PCBA boards used in an adapting way, while the traditional PCBA board burning device has relatively fixed fixture and bracket structures in the device during the use period, and the internal precise interface connection module or fixture is easy to cause installation flaws and damage due to manual replacement, and the overall efficiency is lower; and during the continuous use period, the high-load test of the PCBA board is easy to generate partial dissipated heat, and the partial dissipated heat is continuously converged in the burning equipment, so that the internal environment of the burning equipment is extremely easy to be excessively dry, more static electricity is generated, and the PCBA board subjected to subsequent burning is greatly influenced;

in view of the above technical drawbacks, a solution is now proposed.

Disclosure of Invention

The invention aims to provide universal programming equipment for multiple types of PCBA boards, which is characterized in that a charge fluctuation value and a temperature and humidity fluctuation value are obtained through data acquisition of an internal operation environment during the use period of the programming equipment, and the operation of the programming equipment is efficiently and comprehensively monitored before and during programming, namely, the acquired data and preset stored data are compared and analyzed to obtain relevant rating signals, and relevant components are controlled to perform compensation operation according to the rating signals, so that the temperature and humidity environment inside the programming equipment can be regulated and controlled during programming, the testing environment of the PCBA board in the programming process can be effectively maintained, the invasion of external dust-containing air is prevented, and the static electricity on a clamp, an interface connection module and the PCBA board can be reduced, the damage of static electricity to precise electronic devices on the PCBA board is effectively avoided, and the problem is solved.

The aim of the invention can be achieved by the following technical scheme: the universal type burning equipment for the multi-type PCBA comprises a supporting table, wherein a conveying groove is concavely formed in the center of the top of the supporting table, a lower notch is concavely formed in the middle of the conveying groove, a feeding frame is sleeved in the conveying groove in a sliding mode, a bottom box is arranged at the bottom of the supporting table, a circulating guide rail is arranged in the bottom box, and a burning box is arranged on the top of the supporting table;

The utility model discloses a burn-in box, including burning box, inner environment adjusting box, cross expansion bracket, rotatory cover below is provided with general connector frame, interior environment adjusting box is inside to be provided with the air pump, burn-in box top one side is provided with control panel, and the control panel below is provided with the observation window, the joint has interior environment adjusting box on the outer wall of burning box opposite side, burn-in box one end inside is provided with the cross expansion bracket, general storage plate has been cup jointed to the cross expansion bracket terminal surface, burn-in box other end internally mounted has rotatory cover, rotatory cover below is provided with general connector frame, interior environment adjusting box inside is provided with the air pump.

Preferably, electric guide rails are embedded on the inner walls of two sides of the conveying groove, side sliding blocks sleeved with the electric guide rails are arranged on the outer walls of two sides of the feeding frame, a first rotating motor is arranged in the middle of the outer wall of one end of the feeding frame, electromagnets are symmetrically arranged on two sides of the first rotating motor, a sleeve plate is arranged in the center of the inner portion of the feeding frame, and the middle of the sleeve plate penetrates through a shaft rod connected with the first rotating motor.

Preferably, one end of the circulating guide rail extends in the lower notch, a plurality of groups of storage racks are erected at the top of the periphery of the circulating guide rail, material taking mechanical arms positioned in the lower notch are arranged on the inner walls of two sides of the bottom box, an air suction port is arranged on the inner wall of the top of one end of the bottom box, and an air jet port is arranged on the inner wall of the other end of the bottom box.

Preferably, the inner wall of one end of the burning box is embedded with a lifting cylinder, one end of the cross expansion bracket is provided with an inner cylinder connected with the lifting cylinder, one end of the cross expansion bracket is provided with an electric rotating disc sleeved with the inner cylinder, a rotary cylinder is sleeved on the side bracket of the cross expansion bracket in a sliding manner, the end face of the rotary cylinder is sleeved with a telescopic cylinder arm, and the telescopic cylinder arm is sleeved with a universal storage plate.

Preferably, a second rotating motor is arranged at the center of the bottom of the rotating cover, a fan plate is sleeved at the output end of the second rotating motor, a lifting cylinder sleeved with the inner wall of the burning box is arranged on the end face of the universal joint frame, a sliding frame is sleeved on the surface of the lifting cylinder, and a pushing cylinder arm sleeved with the universal joint frame in a sliding mode is arranged at one end of the sliding frame.

Preferably, the interior environment adjusting box bottom is provided with the water storage tank, run through on the water storage tank bottom outer wall and be provided with the outlet, the air pump top is provided with the air filter core, and the air pump bottom is provided with the atomizer of connection water storage tank.

Preferably, a processor, a data acquisition module, a self-checking feedback module and a signal execution module are arranged in the control panel;

the data acquisition module is used for acquiring a charge fluctuation value DHz of the PCBA board positioned on the feeding frame and a temperature and humidity fluctuation value WSz of a PCBA board burning environment positioned in the burning box during the use period of the burning equipment, and sending the charge fluctuation value DHz and the temperature and humidity fluctuation value WSz to the self-checking feedback module through the processor;

The self-checking feedback module immediately analyzes the running environment of the burning device after receiving the charge fluctuation value DHz and the temperature and humidity fluctuation value WSz, and the specific analysis process is as follows: acquiring a charge fluctuation value DHz and a temperature and humidity fluctuation value WSz on burning equipment in a time threshold, acquiring an operation environment coefficient HQi through a public indication, and immediately retrieving a stored and recorded preset operation environment coefficient YQi from a processor for comparison with the operation environment coefficient HQi; if the running environment coefficient HQi is more than or equal to the preset running environment coefficient YQi, judging that the burning equipment is abnormal within the time threshold, generating a regulating signal, sending the generated signal to a signal execution module through a processor, and immediately controlling the air pump to work after the signal execution module receives the regulating signal; if the running environment coefficient HQi < the preset running environment coefficient YQi, no signal is generated.

The beneficial effects of the invention are as follows:

(1) According to the invention, the charge fluctuation value and the temperature and humidity fluctuation value are obtained through data acquisition of the internal operation environment during the use period of the burning equipment, and the operation of the burning equipment is efficiently and comprehensively monitored before and during the burning, namely, the acquired data and the preset stored data are compared and analyzed to obtain related rating signals, and the related components are controlled to perform offset operation, so that the temperature and humidity environment inside the burning equipment can be regulated and controlled, the test environment of the PCBA board in the burning period can be effectively kept, invasion of external dust-containing air is prevented, and static electricity on a clamp, an interface connection module and the PCBA board can be reduced through regulation and control of the temperature and humidity environment inside the burning equipment, and damage of static electricity to precise electronic devices on the PCBA board can be effectively avoided;

(2) According to the invention, the universal storage plate is assisted by the cross telescopic frame to drive the interface connection module to carry out rotary storage and telescopic transportation, and the universal connector frame is assisted by the lifting cylinder to be matched with the universal storage plate structure for linkage use, so that the independent compartment storage of the interface connection module can be formed, and the rapid automatic replacement of the interface connection modules of different types can be completed;

(3) The invention uses the structure of the feeding frame and the circulating guide rail in a linkage way to form the rapid automatic replacement of the clamps with different signals, and utilizes the inner environment adjusting box to inject the air flow containing water vapor into the burning box from bottom to top, so as to improve the drying environment of the inside of the burning box caused by the continuous burning and dissipation heat of the PCBA board, prevent the invasion of external dust-containing air through the inner expansion, and reduce the generation of static electricity after the neutralization of the drying environment in the burning box, thereby avoiding the influence on the PCBA board of the burning test.

Drawings

The invention is further described below with reference to the accompanying drawings;

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the support table and the bottom case of the present invention;

FIG. 3 is a schematic top view of the bottom case of the present invention;

FIG. 4 is a schematic view of the structure of the feeding frame of the present invention;

FIG. 5 is a schematic view of the inner barrel and cross telescoping rack of the present invention;

FIG. 6 is a schematic view of the structure of the cross telescoping rack of the present invention;

FIG. 7 is a schematic view of the structure of the rotating housing of the present invention;

FIG. 8 is a schematic view of the structure of the environmental conditioning tank of the present invention;

fig. 9 is a flow chart of the system of the present invention.

Legend description: 1. a support table; 101. a conveying trough; 102. a lower notch; 103. a feeding frame; 104. an electric guide rail; 105. a side slider; 106. an electromagnet; 107. a first rotating electric machine; 108. a sleeve plate; 2. a bottom box; 201. a circulating guide rail; 202. a storage rack; 203. a material taking mechanical arm; 204. an air jet; 205. an air suction port; 3. a burning box; 301. an inner cylinder; 302. a cross expansion bracket; 303. a lifting cylinder; 304. an electric rotating disc; 305. a revolving cylinder; 306. a telescopic cylinder arm; 307. a general storage plate; 4. an internal environment regulating box; 401. an air pump; 402. an atomizer; 403. a water storage tank; 404. a water outlet; 405. an air filter element; 5. a control panel; 6. an observation window; 7. a rotating cover; 701. a second rotating electric machine; 702. a fan plate; 703. a lifting cylinder; 704. a carriage; 705. pushing the cylinder arm; 706. a universal connector holder.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Embodiment one: the embodiment is used for solving the problem that the high-load test of the PCBA board is easy to generate partial dissipation heat of the traditional PCBA board during the continuous use period of the burning equipment, and the heat is continuously converged inside the burning equipment, so that the internal environment of the burning equipment is extremely easy to be excessively dry, more static electricity is generated, and the PCBA board burnt later is greatly influenced.

Referring to fig. 1-9, the present embodiment is a universal type recording device for multiple types of PCBA boards, including a supporting table 1, a conveying groove 101 is concavely provided at the top center of the supporting table 1, a lower notch 102 is concavely provided in the middle of the conveying groove 101, a feeding frame 103 is slidably sleeved in the conveying groove 101, a bottom case 2 is provided at the bottom of the supporting table 1, a circulating guide rail 201 is provided inside the bottom case 2, and a recording case 3 is provided at the top of the supporting table 1; a control panel 5 is arranged on one side of the top of the burning box 3, an observation window 6 is arranged below the control panel 5, an inner environment adjusting box 4 is clamped on the outer wall of the other side of the burning box 3, a cross expansion bracket 302 is arranged inside one end of the burning box 3, a universal storage plate 307 is sleeved on the end face of the cross expansion bracket 302, a rotating cover 7 is arranged inside the other end of the burning box 3, a universal connector frame 706 is arranged below the rotating cover 7, and an air pump 401 is arranged inside the inner environment adjusting box 4;

The control panel 5 is internally provided with a processor, a data acquisition module, a self-checking feedback module and a signal execution module; the data acquisition module is used for acquiring a charge fluctuation value DHz of the PCBA board positioned on the feeding frame 102 and a temperature and humidity fluctuation value WSz of a PCBA board burning environment positioned in the burning box 3 during the use period of the burning equipment, and sending the charge fluctuation value DHz and the temperature and humidity fluctuation value WSz to the self-checking feedback module through the processor; setting 20 minutes during the use of the burning device as a time threshold;

It should be noted that: the charge fluctuation value DHz is expressed as a maximum value and a minimum value of the static charge existing on the surface of the clamp on the feeding frame 103 in a time threshold, the magnitude of the charge fluctuation value DHz reflects the probability of static electricity existing in the time threshold, the larger the value of the charge fluctuation value DHz is, the more static electricity is easily generated in the time threshold, the temperature and humidity fluctuation value WSz is expressed as the temperature and humidity in the whole environment in the interior of the burning box 3 in the time threshold, in addition, the charge fluctuation value DHz is acquired by a plurality of groups of static electricity sensors arranged in the feeding frame 103 and the bottom box 2, and the temperature and humidity fluctuation value WSz is acquired by a plurality of groups of temperature and humidity sensors arranged on the inner wall of the burning box 3;

The self-checking feedback module immediately analyzes the running environment of the burning device after receiving the charge fluctuation value DHz and the temperature and humidity fluctuation value WSz, and the specific analysis process is as follows:

Acquiring a charge fluctuation value DHz and a temperature and humidity fluctuation value WSz of burning equipment in a time threshold value through a formula Obtaining an operation environment coefficient HQi, wherein a and b are the proportionality coefficients of a charge fluctuation value DHz and a temperature and humidity fluctuation value WSz respectively, a is more than b and is more than 0, HQi is expressed as the operation environment coefficient, and a preset operation environment coefficient YQi stored and input in a storage mode is immediately retrieved from a processor and is compared with the operation environment coefficient HQi;

If the operation environment coefficient HQi is larger than or equal to the preset operation environment coefficient YQi, judging that the burning equipment is abnormal in the time threshold, generating a regulating and controlling signal, sending the generated signal to a signal execution module through a processor, immediately controlling an air pump 401 to work after the signal execution module receives the regulating and controlling signal, when a feeding frame 103 moves into the inside of the burning box 3, when the operation environment in the burning box 3 is abnormal, the air pump 401 extracts external air through an air filter element 405, an atomizer 402 extracts a small amount of purified water in a water storage tank 403 through a water pipe and slowly atomizes the purified air to form water vapor, the air pump 401 conveys the purified air flow carrying a small amount of atomized water vapor into an air jet 204 along a pipeline, the air flow containing the water vapor is extracted through an air suction port 205, the air is diffused to a lower notch 102 area along the periphery of a circulating guide rail 201, and part of the air is diffused into the burning box 3 along the lower notch 102, so that the inside of the burning box 3 is promoted to reduce static, and meanwhile, the heat generated by a PCBA board for continuously burning and continuously testing the inside the burning box 3 is diffused and cooled by the water-containing air, and the dust-containing air is effectively prevented from entering the outside from the outside;

if the running environment coefficient HQi < the preset running environment coefficient YQi, no signal is generated.

Embodiment two: the manufacturer who is used for solving equipment production equipment, needs to carry out the burning test around the equipment according to the PCBA board of multiple type that factory equipment and adaptation used, and traditional PCBA board burns the device in the use, and the inside anchor clamps of device and bracket structure are comparatively fixed, and the people is changed easily and is led to the fact inside accurate interface connection module or anchor clamps to have installation flaw, damage, and problem that overall efficiency is lower.

Referring to fig. 1-8, the universal burning device for multi-type PCBA boards of the present embodiment includes electric guide rails 104 embedded on inner walls of two sides of a conveying trough 101, side sliding blocks 105 sleeved with the electric guide rails 104 are arranged on outer walls of two sides of a feeding frame 103, a first rotating motor 107 is arranged in the middle of an outer wall of one end of the feeding frame 103, electromagnets 106 are symmetrically arranged on two sides of the first rotating motor 107, a sleeve plate 108 is arranged in the center of the inside of the feeding frame 103, and a shaft rod connected with the first rotating motor 107 is arranged in the middle of the sleeve plate 108 in a penetrating manner; one end of a circulating guide rail 201 extends into the lower notch 102, a plurality of groups of storage racks 202 are erected on the top of the periphery of the circulating guide rail 201, material taking mechanical arms 203 positioned in the lower notch 102 are arranged on the inner walls of the two sides of the bottom box 2, an air suction port 205 is arranged on the inner wall of the top of one end of the bottom box 2, and an air jet port 204 is arranged on the inner wall of the other end of the bottom box 2;

When the automatic feeding device is used, according to the PCBA board model of a required burning test, debugging is carried out before burning, the electric guide rail 104 drives the feeding frame 103 to move to the position right above the lower notch 102 through the side sliding blocks 105, the electromagnet 106 is electrified to generate magnetic force, the metal buckle mounted on the inner wall of the feeding frame 103 is magnetically attracted to be separated from the sleeve plate 108, the rotating motor I107 drives the shaft rod to rotate, the shaft rod drives the sleeve plate 108 to rotate 180 degrees along the feeding frame 103, the electronic lock catch is mounted on the top of the sleeve plate 108 and faces the lower notch 102 through the overturning, the circulating guide rail 201 conveys an adapted clamp into the lower notch 102 through the storage frame 202, the material taking mechanical arm 203 clamps and lifts the clamp close to the electronic lock catch on the sleeve plate 108, the electronic lock catch locks the clamp on the sleeve plate 108, the rotating motor I107 is started again to drive the sleeve plate 108 to overturn 180 degrees again, and the electric guide rail 104 drives the feeding frame 103 to reset to an inlet area at one end of the burning box 3 through the side sliding blocks 105;

A lifting cylinder 303 is embedded on the inner wall of one end of the burning box 3, an inner cylinder 301 connected with the lifting cylinder 303 is arranged at one end of a cross expansion bracket 302, an electric rotating disc 304 sleeved with the inner cylinder 301 is arranged at one end of the cross expansion bracket 302, a rotary cylinder 305 is sleeved on a side bracket of the cross expansion bracket 302 in a sliding manner, a telescopic cylinder arm 306 is sleeved on the end face of the rotary cylinder 305, and the telescopic cylinder arm 306 is sleeved with a general storage plate 307;

During the process of replacing an adapting clamp by a feeding plate, a second rotating motor 701 drives a fan plate 702 to rotate 180 degrees through a coupler, the fan plate 702 is driven to be immersed into a rotating cover 7, a lifting cylinder 303 drives an inner cylinder 301 to slide downwards through a connecting piece, the inner cylinder 301 is driven to be communicated with a region below the rotating cover 7, an electric rotating disk 304 drives a cross telescopic frame 302 to rotate and enables an interface connection module which is stored on a universal storage rack 202 and is adapted to the PCBA plate to rotate to the lowest position, a telescopic cylinder arm 306 drives a universal storage plate 307 to transversely move close to a universal connector rack 706 through the connecting piece, a lifting cylinder 703 drives a sliding frame 704 to slide upwards through the connecting piece until the universal connector rack 706 is positioned above the universal storage plate 307, during the process of moving the universal storage plate, the universal connector rack 706 drives the interface connection module which is close to the overturned through a driving cylinder arm 705 to be connected with the interface connection module on the universal storage plate 307, the universal connector rack 706 is further clamped and locked through an electric lock catch at the upper bottom of the universal connector rack 706, the universal storage rack 202 is reset, and the universal storage rack 202 drives the clamped interface connection module which is close to the lower slide and is located on the conveying groove 101;

A second rotating motor 701 is arranged in the center of the bottom of the rotating cover 7, a fan plate 702 is sleeved at the output end of the second rotating motor 701, a lifting cylinder 703 sleeved with the inner wall of the burning box 3 is arranged at the end face of the universal connector frame 706, a sliding frame 704 is sleeved on the surface of the lifting cylinder 703, and a pushing cylinder arm 705 sleeved with the universal connector frame 706 in a sliding manner is arranged at one end of the sliding frame 704;

The bottom of the internal environment adjusting box 4 is provided with a water storage tank 403, a water outlet 404 is arranged on the outer wall of the bottom of the water storage tank 403 in a penetrating way, an air filter element 405 is arranged at the top of the air pump 401, and an atomizer 402 connected with the water storage tank 403 is arranged at the bottom of the air pump 401.

By combining the first embodiment and the second embodiment, the charge fluctuation value and the temperature and humidity fluctuation value are obtained through data acquisition of the internal operation environment during the use period of the burning equipment, and the operation of the burning equipment is efficiently and comprehensively monitored before and during the burning, namely, the acquired data and the preset stored data are compared and analyzed to obtain relevant rating signals, and relevant components are controlled to perform offset operation according to the rating signals, so that the temperature and humidity environment inside the burning equipment can be regulated and controlled during the burning, the test environment of the PCBA board in the burning is effectively kept, invasion of external dust-containing air is prevented, and the temperature and humidity environment inside the burning equipment can be regulated and controlled, reduce static on anchor clamps, interface connection module and the PCBA board, effectively avoid static to the destruction in accurate electron period on the PCBA board, through the structure linkage use of pay-off frame 103 and circulating guide 201, constitute the quick automatic change to the anchor clamps of different signals, and utilize interior environment adjustment case 4 to follow down supreme for the base case 2, the inside air current that contains steam of injection of burning case 3, be used for improving the inside dry environment that is caused by PCBA board continuous burning loss of heat of burning case 3, and prevent outside dust-laden air's invasion through interior inflation, and with the back in to the inside dry environment of burning case 3, reduce the production of static, avoid the influence to the PCBA board of burning test.

The foregoing is merely illustrative of the structures of this invention and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the invention or from the scope of the invention as defined in the accompanying claims.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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 preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.

Claims (7)

1. The universal type burning equipment for the multi-type PCBA comprises a supporting table (1), wherein a conveying groove (101) is concavely formed in the center of the top of the supporting table (1), a lower notch (102) is concavely formed in the middle of the conveying groove (101), and a feeding frame (103) is sleeved in the conveying groove (101) in a sliding mode, and the universal type burning equipment is characterized in that a bottom box (2) is arranged at the bottom of the supporting table (1), a circulating guide rail (201) is arranged in the bottom box (2), and a burning box (3) is arranged at the top of the supporting table (1);

The utility model discloses a burn box, including burning box (3), inner environment adjusting box (4), control panel (5) are provided with on one side of burning box (3) top, and control panel (5) below is provided with observation window (6), joint has inner environment adjusting box (4) on the outer wall of burning box (3) opposite side, the inside cross expansion bracket (302) that is provided with of burning box (3), general storage board (307) have been cup jointed to cross expansion bracket (302) terminal surface, burning box (3) other end internally mounted has rotatory cover (7), rotatory cover (7) below is provided with general connector frame (706), inner environment adjusting box (4) inside is provided with air pump (401).

2. The universal type burning device for the multi-type PCBA boards according to claim 1, wherein electric guide rails (104) are embedded on inner walls of two sides of the conveying groove (101), side sliding blocks (105) sleeved with the electric guide rails (104) are arranged on outer walls of two sides of the feeding frame (103), a rotating motor I (107) is arranged in the middle of the outer wall of one end of the feeding frame (103), electromagnets (106) are symmetrically arranged on two sides of the rotating motor I (107), a sleeve plate (108) is arranged in the center of the inside of the feeding frame (103), and a shaft rod connected with the rotating motor I (107) is arranged in the middle of the sleeve plate (108) in a penetrating mode.

3. A universal burning device for multiple types of PCBA boards according to claim 2, characterized in that one end of the circulating guide rail (201) extends in the lower notch (102), multiple groups of storage racks (202) are erected on the top of the periphery of the circulating guide rail (201), the material taking mechanical arms (203) located in the lower notch (102) are arranged on the inner walls of the two sides of the bottom case (2), the air suction port (205) is arranged on the inner wall of the top of one end of the bottom case (2), and the air jet port (204) is arranged on the inner wall of the other end of the bottom case (2).

4. A universal burning device for multiple types of PCBA boards according to claim 1, characterized in that, the inner wall of one end of the burning box (3) is embedded with a lifting cylinder (303), one end of the cross expansion bracket (302) is provided with an inner cylinder (301) connected with the lifting cylinder (303), one end of the cross expansion bracket (302) is provided with an electric rotating disc (304) sleeved with the inner cylinder (301), the side bracket of the cross expansion bracket (302) is slidingly sleeved with a rotary cylinder (305), the end face of the rotary cylinder (305) is sleeved with a telescopic cylinder arm (306), and the telescopic cylinder arm (306) is sleeved with a universal storage board (307).

5. A universal burning device for multiple types of PCBA boards according to claim 4, characterized in that the rotating cover (7) is provided with a rotating motor two (701) at the bottom center, the output end of the rotating motor two (701) is sleeved with a fan plate (702), the end face of the universal connector frame (706) is provided with a lifting cylinder (703) sleeved with the inner wall of the burning box (3), the surface of the lifting cylinder (703) is sleeved with a sliding frame (704), and one end of the sliding frame (704) is provided with a pushing cylinder arm (705) sleeved with the universal connector frame (706) in a sliding manner.

6. A universal burning device for multi-type PCBA boards according to claim 1 characterized in that the bottom of the internal environment adjusting box (4) is provided with a water storage box (403), the outer wall of the bottom of the water storage box (403) is provided with a water outlet (404) through, the top of the air pump (401) is provided with an air filter element (405), and the bottom of the air pump (401) is provided with an atomizer (402) connected with the water storage box (403).

7. A universal burning device for multi-type PCBA boards according to claim 1, characterized in that the control panel (5) is internally provided with a processor, a data acquisition module, a self-checking feedback module and a signal execution module;

The data acquisition module is used for acquiring a charge fluctuation value DHz of the PCBA board positioned on the feeding frame (102) and a temperature and humidity fluctuation value WSz of a PCBA board burning environment positioned in the burning box (3) during the use period of the burning equipment, and sending the charge fluctuation value DHz and the temperature and humidity fluctuation value WSz to the self-checking feedback module through the processor;

The self-checking feedback module immediately analyzes the running environment of the burning device after receiving the charge fluctuation value DHz and the temperature and humidity fluctuation value WSz, and the specific analysis process is as follows: acquiring a charge fluctuation value DHz and a temperature and humidity fluctuation value WSz on burning equipment in a time threshold, acquiring an operation environment coefficient HQi through a public indication, and immediately retrieving a stored and recorded preset operation environment coefficient YQi from a processor for comparison with the operation environment coefficient HQi; if the running environment coefficient HQi is more than or equal to the preset running environment coefficient YQi, judging that the burning equipment is abnormal within the time threshold, generating a regulating signal, sending the generated signal to a signal execution module through a processor, and immediately controlling an air pump (401) to work after the signal execution module receives the regulating signal; if the running environment coefficient HQi < the preset running environment coefficient YQi, no signal is generated.