阅读说明：本技术 一种云计算服务器用大规模集成电路板表面处理方法 (Surface processing method of large-scale integrated circuit board for cloud computing server ) 是由 李若容 于 2021-09-13 设计创作，主要内容包括：本发明公开了一种云计算服务器用大规模集成电路板表面处理方法,属于电路板生产加工技术领域,包括以下步骤,上料：将电路板均匀的堆放在上料机构上,利用上料吸盘依次将电路板吸附,并输送至进料输送辊上,送入磨板清洗蚀刻一体机中；磨板：将电路板表面的氧化层去除干净,获得一个微观上粗糙的表面,以便于后续的镀层或涂覆的结合更可靠；磨板后,将磨板后的电路板进行水洗；蚀刻：称出适量三氯化铁块,再按三氯化铁块与水比例为3:1左右的比例配置蚀刻液,当溶液呈褐色且没有任何固体在内的时候,就表示蚀刻液已经配置好了,然后把将上述电路板缓缓放入蚀刻液。(The invention discloses a surface treatment method of a large-scale integrated circuit board for a cloud computing server, belonging to the technical field of circuit board production and processing, and comprising the following steps of: the circuit boards are evenly stacked on a feeding mechanism, are sequentially adsorbed by a feeding sucker, are conveyed to a feeding conveying roller and are conveyed into a grinding, cleaning and etching integrated machine; grinding a plate: the oxide layer on the surface of the circuit board is removed to obtain a microscopically rough surface, so that the combination of subsequent plating or coating is more reliable; after the board is ground, washing the circuit board after the board is ground with water; etching: weighing a proper amount of ferric trichloride blocks, preparing etching solution according to the ratio of the ferric trichloride blocks to water being about 3:1, indicating that the etching solution is prepared when the solution is brown and has no any solid, and slowly putting the circuit board into the etching solution.)

1. A surface processing method of a large-scale integrated circuit board for a cloud computing server is characterized by comprising the following steps:

s1 feeding: the circuit boards are evenly stacked on a feeding mechanism, are sequentially adsorbed by a feeding sucker and are conveyed to a feeding conveying roller, and are conveyed into a grinding, cleaning and etching integrated machine for processing;

s2 grinding the plate: the oxide layer on the surface of the circuit board is removed to obtain a microscopically rough surface, so that the combination of subsequent plating or coating is more reliable; after the board is ground, washing the circuit board after the board is ground with water;

s3 etching: weighing a proper amount of ferric trichloride blocks, preparing etching solution according to the ratio of the ferric trichloride blocks to water being about 3:1, indicating that the etching solution is prepared when the solution is brown and has no any solid, and slowly putting the circuit board into the etching solution;

s4 cleaning: cleaning the etched circuit board;

s5, drying: and (4) conveying the cleaned circuit board into a drying mechanism, and drying.

2. The lsi board surface processing method for a cloud computing server as recited in claim 1, wherein: the feeding mechanism comprises a stacking box, a feeding sucker and a feeding plate, the feeding plate capable of moving up and down is arranged on the stacking box, the feeding sucker capable of moving up and down is arranged above the feeding plate, and a conveying mechanism used for driving the feeding sucker to move back and forth and used for conveying circuit boards is arranged above the feeding sucker.

3. The lsi board surface processing method for a cloud computing server as recited in claim 2, wherein: conveying mechanism includes conveyor motor, conveying gear and rack, the windrow case top is equipped with the fixed plate of symmetric distribution, the fixed plate bottom be equipped with windrow case fixed connection's fixed column, the fixed plate inboard all is equipped with the spout, and is equipped with the slide between the fixed plate, slide both ends sliding connection is in the spout, and the slide bottom is equipped with a plurality of fixed connection's first hydraulic stem, first hydraulic stem bottom and material loading sucking disc fixed connection, the slide upper end is equipped with fixed connection's rack, is located the slide top be equipped with rotatable pivot between the fixed plate, be equipped with fixed connection in the pivot and with rack engaged with conveying gear, fixed plate one side is equipped with conveyor motor, the conveyor motor output is connected with the pivot.

4. The lsi board surface processing method for a cloud computing server as recited in claim 2, wherein: the utility model discloses a stacker, including a stacker, fixed connection's first motor, first motor output is equipped with fixed connection's first bevel gear, go up the flitch and be equipped with the material loading pole that is connected all around, be equipped with reciprocal screw thread on the material loading pole, and the material loading pole is connected with last flitch through reciprocal screw thread, material loading pole bottom is rotated with the stacker and is connected, is located inside the stacker be equipped with fixed connection's second bevel gear on the material loading pole, be equipped with a plurality of rotatable connecting rods in the stacker, the connecting rod both ends all are equipped with fixed connection's third bevel gear, are located connecting rod one end the third bevel gear meshes with the second bevel gear mutually, is located the connecting rod other end the third bevel gear meshes with first bevel gear mutually.

5. The lsi board surface processing method for a cloud computing server as recited in claim 4, wherein: be equipped with the posting that is used for preventing the connecting rod from removing in the windrow case, the posting rotates with the connecting rod to be connected, is located the material loading pole outside be equipped with the regulation annular in the windrow case, be equipped with the regulation crown plate that rotates the connection in the regulation annular, regulation crown plate and corresponding material loading pole fixed connection.

6. The lsi board surface processing method for a cloud computing server as recited in claim 4, wherein: the feeding plate is provided with a plurality of limiting plates used for fixing and limiting the circuit board, limiting grooves are formed in the middle of the limiting plates, and the upper portion of the feeding rod moves up and down in the corresponding limiting grooves.

7. The lsi board surface processing method for a cloud computing server as recited in claim 1, wherein: the drying box comprises a feed inlet and a discharge outlet, a feed inlet is arranged below one side of the drying box, a discharge outlet is arranged above the other side of the drying box, a plurality of uniformly distributed lifting grooves are respectively arranged on the inner walls of two sides of the drying box between the feed inlet and the discharge outlet, lifting plates capable of moving up and down are arranged in the lifting grooves, a plurality of uniformly distributed first positioning rods are respectively arranged on the lifting plates from top to bottom, the first positioning rods are arranged on the lifting plates in a retractable manner, second positioning rods aligned with the first positioning rods are respectively arranged on the inner walls of the drying box on one side of the first positioning rods, the second positioning rods are arranged on the inner walls of the drying box in a retractable manner, the second positioning rods positioned at the lowest part are aligned with the feed inlet, the second positioning rods positioned at the uppermost part are aligned with the discharge outlet, and rotatable conveying belts are arranged in the drying box on one side of the discharge outlet, the conveying belt is provided with a plurality of push plates for driving the circuit board to be pushed and separated from the drying box, the drying box is internally provided with a dry air heater for drying, and the drying box is positioned between the second positioning rods.

8. The lsi board surface processing method for a cloud computing server as recited in claim 7, wherein: the drying box inner wall bottom is equipped with the adjustment tank that communicates with the groove that rises, be equipped with fixed connection's backup pad in the adjustment tank, backup pad top and rising board fixed connection, and the backup pad below is equipped with a plurality of fixed connection and is used for driving the second hydraulic stem of backup pad up-and-down motion.

9. The lsi board surface processing method for a cloud computing server as recited in claim 7, wherein: the drying box is characterized in that a plurality of drying pipes are arranged in the inner wall of the drying box, the drying pipes are communicated with the drying holes, communicating pipes communicated with each other are arranged between the drying pipes, a guide pipe is arranged at the output end of the dry air heater, and the guide pipe is communicated with the communicating pipes.

Technical Field

The invention belongs to the technical field of circuit board production and processing, and particularly relates to a surface treatment method of a large-scale integrated circuit board for a cloud computing server.

Background

Cloud computing is believed to be the third IT wave that has been around personal PCs and the internet, which will change the way people acquire, process and store information. Cloud computing uses the transmission capability of the high-speed internet, transfers the processing process of data from a personal computer or a server to a large-scale cloud computing center, provides computing power and storage capacity to users in a service mode, and enables the users to use the computing power like using electric power, tap water and other public facilities and to charge according to the usage amount.

An integrated circuit (integrated circuit) is a type of microelectronic device or component. The transistor, the resistor, the capacitor, the inductor and other elements and wires required in a circuit are interconnected together by adopting a certain process, are manufactured on a small or a plurality of small semiconductor wafers or medium substrates, and are then packaged in a tube shell to form a micro structure with the required circuit function; all the elements are structurally integrated, so that the electronic elements are greatly miniaturized, low in power consumption, intelligent and high in reliability. It is denoted by the letter "IC" in the circuit. The integrated circuit inventors are the Jack-Kerr ratio (germanium (Ge) -based integrated circuits) and the Robert-Noisy (silicon (Si) -based integrated circuits). Most applications in the semiconductor industry today are silicon-based integrated circuits.

When the surface of the existing integrated circuit board is treated, the treatment efficiency is lower, and the integral production efficiency is influenced.

Disclosure of Invention

Aiming at the problems in the prior art, the invention aims to provide a large-scale integrated circuit board surface processing method for a cloud computing server.

The technical problem to be solved by the invention is realized by adopting the following technical scheme:

a surface processing method of a large-scale integrated circuit board for a cloud computing server comprises the following steps:

s1 feeding: the circuit boards are evenly stacked on a feeding mechanism, are sequentially adsorbed by a feeding sucker and are conveyed to a feeding conveying roller, and are conveyed into a grinding, cleaning and etching integrated machine for processing;

s2 grinding the plate: the oxide layer on the surface of the circuit board is removed to obtain a microscopically rough surface, so that the combination of subsequent plating or coating is more reliable; after the board is ground, washing the circuit board after the board is ground with water;

s3 etching: weighing a proper amount of ferric trichloride blocks, preparing etching solution according to the ratio of the ferric trichloride blocks to water being about 3:1, indicating that the etching solution is prepared when the solution is brown and has no any solid, and slowly putting the circuit board into the etching solution;

s4 cleaning: cleaning the etched circuit board;

s5, drying: and (4) conveying the cleaned circuit board into a drying mechanism, and drying.

Preferably, the feeding mechanism comprises a stacking box, a feeding sucker and a feeding plate, the feeding plate capable of moving up and down is arranged on the stacking box, the feeding sucker capable of moving up and down is arranged above the feeding plate, and a conveying mechanism used for driving the feeding sucker to move back and forth and used for conveying circuit boards is arranged above the feeding sucker.

Further, conveying mechanism includes conveyor motor, transport gear and rack, the windrow top is equipped with the fixed plate of symmetric distribution, the fixed plate bottom be equipped with windrow fixed connection's fixed column, the fixed plate inboard all is equipped with the spout, and is equipped with the slide between the fixed plate, slide both ends sliding connection is in the spout, and the slide bottom is equipped with a plurality of fixed connection's first hydraulic stem, first hydraulic stem bottom and material loading sucking disc fixed connection, the slide upper end is equipped with fixed connection's rack, is located the slide top be equipped with rotatable pivot between the fixed plate, be equipped with fixed connection in the pivot and with rack engaged with's transport gear, fixed plate one side is equipped with conveyor motor, the conveyor motor output is connected with the pivot.

The rack is driven by the conveying gear to move back and forth by utilizing the rotation of the rotating shaft, so that the movement of the feeding sucker is realized, the feeding sucker can move onto the feeding conveying roller after adsorbing the circuit board, the feeding is finished, and the production efficiency is improved;

further, the first motor of fixed connection in the windrow case, first motor output is equipped with fixed connection's first bevel gear, it is equipped with the material loading pole that is connected all around to go up the flitch, be equipped with reciprocal screw thread on the material loading pole, and the material loading pole is connected with last flitch through reciprocal screw thread, material loading pole bottom rotates with the windrow case to be connected, is located inside the windrow case be equipped with fixed connection's second bevel gear on the material loading pole, be equipped with a plurality of rotatable connecting rods in the windrow case, the connecting rod both ends all are equipped with fixed connection's third bevel gear, are located connecting rod one end third bevel gear meshes with the second bevel gear mutually, are located the connecting rod other end third bevel gear meshes with first bevel gear mutually.

The design of first bevel gear, second bevel gear and third bevel gear can utilize a first motor to drive a plurality of material loading poles synchronous rotations simultaneously, through the design of reciprocal screw thread, can drive the stable up-and-down motion of flitch through the rotation of material loading pole, combines with first hydraulic stem simultaneously, makes the flitch can stack more circuit boards.

Furthermore, be equipped with the locating frame that is used for preventing the connecting rod from removing in the windrow case, the locating frame rotates with the connecting rod to be connected, is located the loading pole outside be equipped with the regulation annular in the windrow case, be equipped with the regulation crown plate that rotates the connection in the regulation annular, regulation crown plate and corresponding loading pole fixed connection.

The design of adjusting ring groove and adjusting ring plate can make the pivoted setting of material loading pole on the windrow case, guarantees material loading pole pivoted stability.

Furthermore, the feeding plate is provided with a plurality of limiting plates for fixing and limiting the circuit board, the middle of each limiting plate is provided with a limiting groove, and the upper part of the feeding rod moves up and down in the corresponding limiting groove.

The design of limiting plate and spacing groove, the limiting plate can effectually carry out effectual fixed with the circuit board, guarantees the stability that the circuit board was stacked, and the design of spacing groove can make the material loading pole realize effectual hiding.

Preferably, the drying box comprises a feeding port and a discharging port, a feeding port is arranged below one side of the drying box, a discharging port is arranged above the other side of the drying box, a plurality of uniformly distributed lifting grooves are respectively arranged on the inner walls of two sides of the drying box between the feeding port and the discharging port, lifting plates capable of moving up and down are arranged in the lifting grooves, a plurality of uniformly distributed first positioning rods are respectively arranged on the lifting plates from top to bottom, the first positioning rods can be contracted and arranged on the lifting plates, second positioning rods aligned with the first positioning rods are respectively arranged on the inner walls of the drying box on one side of the first positioning rods, the second positioning rods can be contracted and arranged on the inner walls of the drying box, the second positioning rods positioned at the lowest part are aligned with the feeding port, the second positioning rods positioned at the uppermost part are aligned with the discharging port, and rotatable conveying belts are arranged in the drying box on one side of the discharging port, the conveying belt is provided with a plurality of push plates for driving the circuit board to be pushed and separated from the drying box, the drying box is internally provided with a dry air heater for drying, and the drying box is positioned between the second positioning rods.

The design of first locating lever and second locating lever, the second locating lever can carry out effectual support with the circuit board fixedly, first locating lever is along with the upward movement of last liter board, can upwards carry the circuit board of bottom on supreme second locating lever, thereby realized that the circuit board stacks from ascending stack in proper order in bottom, the dwell time of circuit board in the stoving incasement has been improved, and the efficiency of drying is improved, the design in dry hole simultaneously, can weather the hot gas flow to the circuit board on every layer and dry, further improvement holistic drying efficiency, the design of push pedal, can pass through the push pedal, the automatic propelling movement of circuit board of accomplishing of will drying comes out, automatic discharging has been realized.

Further, stoving incasement wall bottom is equipped with the adjustment tank that communicates with the groove that rises, be equipped with fixed connection's backup pad in the adjustment tank, backup pad top and rising board fixed connection, and the backup pad below is equipped with a plurality of fixed connection and is used for driving the second hydraulic stem of backup pad up-and-down motion.

Further, all be equipped with a plurality of drying pipes in the stoving incasement wall, drying pipe and stoving hole intercommunication are from top to bottom be equipped with the communicating pipe that is linked together between the drying pipe, the dry-hot air fan output is equipped with the honeycomb duct, honeycomb duct and communicating pipe intercommunication.

Further, drying incasement wall and last rising board all are equipped with the accumulator that is used for first locating lever and the shrink of second locating lever, all be equipped with the recovery axle in the accumulator, the recovery axle rotates with corresponding first locating lever or second locating lever respectively to be connected, and retrieves epaxial torque spring that is used for retrieving the axle and resumes initial position that is equipped with.

Compared with the prior art, the invention has the following technical effects:

due to the design of the feeding mechanism, automatic feeding of the circuit board in production and processing can be realized, and the production efficiency is improved;

the rack is driven by the conveying gear to move back and forth by utilizing the rotation of the rotating shaft, so that the movement of the feeding sucker is realized, the feeding sucker can move onto the feeding conveying roller after adsorbing the circuit board, the feeding is finished, and the production efficiency is improved;

the grinding plate can obtain a microscopically rough surface, so that the combination of subsequent plating or coating is more reliable;

the design of the first bevel gear, the second bevel gear and the third bevel gear can utilize a first motor to simultaneously drive a plurality of feeding rods to synchronously rotate, and through the design of reciprocating threads, the feeding plates can be driven to stably move up and down through the rotation of the feeding rods and are combined with the first hydraulic rods at the same time, so that more circuit boards can be stacked on the feeding plates;

the design of first locating lever and second locating lever, the second locating lever can carry out effectual support with the circuit board fixedly, first locating lever is along with the upward movement of last liter board, can upwards carry the circuit board of bottom on supreme second locating lever, thereby realized that the circuit board stacks from ascending stack in proper order in bottom, the dwell time of circuit board in the stoving incasement has been improved, and the efficiency of drying is improved, the design in dry hole simultaneously, can weather the hot gas flow to the circuit board on every layer and dry, further improvement holistic drying efficiency, the design of push pedal, can pass through the push pedal, the automatic propelling movement of circuit board of accomplishing of will drying comes out, automatic discharging has been realized.

Specific embodiments of the present invention are disclosed in detail with reference to the following description and drawings, indicating the manner in which the principles of the invention may be employed. It should be understood that the embodiments of the invention are not so limited in scope.

Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments, in combination with or instead of the features of the other embodiments.

It should be emphasized that the term "comprises/comprising" when used herein, is taken to specify the presence of stated features, integers, steps or components but does not preclude the presence or addition of one or more other features, integers, steps or components.

Drawings

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

Fig. 1 is a schematic process flow diagram provided in embodiment 1 of the present invention.

Fig. 2 is a schematic view of the overall structure provided in embodiment 1 of the present invention.

Fig. 3 is a schematic view of a connection structure of the stacking box and the feeding plate according to embodiment 1 of the present invention.

Fig. 4 is a schematic top view of a conveying gear and a rack according to embodiment 1 of the present invention.

Fig. 5 is a schematic structural view of a drying duct and a dry air heater provided in embodiment 1 of the present invention.

Fig. 6 is a schematic view of a connection structure of the lifting plate and the first positioning rod according to embodiment 1 of the present invention.

The reference numbers in the figures illustrate: 1. stacking boxes; 10. a first motor; 101. a first bevel gear; 102. a third bevel gear; 103. an adjusting ring groove; 104. adjusting the ring plate; 105. a positioning frame; 106. a connecting rod; 11. a feeding rod; 111. reciprocating screw threads; 112. a second bevel gear; 12. feeding plates; 121. a limiting plate; 122. a limiting groove; 13. fixing a column; 14. a feeding sucker; 15. a first hydraulic lever; 16. a fixing plate; 17. a conveying gear; 171. a rotating shaft; 172. a conveying motor; 18. a slide plate; 181. a rack; 19. a chute; 2. grinding, cleaning and etching integrated machine; 3. a drying box; 31. a feed inlet; 32. a discharge port; 33. a first positioning rod; 34. a second positioning rod; 35. a support plate; 351. an adjustment groove; 352. a second hydraulic rod; 36. a lifting plate; 37. a conveyor belt; 371. pushing the plate; 38. a dry air heater; 381. a flow guide pipe; 382. drying the holes; 383. a communicating pipe; 384. a drying duct; 39. a recovery tank; 391. and (6) recovering the shaft.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example 1

Referring to fig. 1 to 6, a method for processing a surface of a lsi for a cloud computing server includes the following steps:

s1 feeding: the circuit boards are evenly stacked on a feeding mechanism, are sequentially adsorbed by a feeding sucker 14 and are conveyed to a feeding conveying roller, and are conveyed into a grinding, cleaning and etching integrated machine 2 for processing;

s2 grinding the plate: the oxide layer on the surface of the circuit board is removed to obtain a microscopically rough surface, so that the combination of subsequent plating or coating is more reliable; after the board is ground, washing the circuit board after the board is ground with water;

s3 etching: weighing a proper amount of ferric trichloride blocks, preparing etching solution according to the ratio of the ferric trichloride blocks to water being about 3:1, indicating that the etching solution is prepared when the solution is brown and has no any solid, and slowly putting the circuit board into the etching solution;

s4 cleaning: cleaning the etched circuit board;

s5, drying: and (4) conveying the cleaned circuit board into a drying mechanism, and drying.

Further, the feeding mechanism comprises a stacking box, a feeding sucker 14 and a feeding plate 12, the stacking box is provided with the feeding plate 12 capable of moving up and down, the feeding sucker 14 capable of moving up and down is arranged above the feeding plate 12, and the conveying mechanism used for driving the feeding sucker 14 to move back and forth and used for conveying the circuit board is arranged above the feeding sucker 14.

Further, the conveying mechanism comprises a conveying motor 172, a conveying gear 17 and a rack 181, the fixing plates 16 are symmetrically distributed above the stacking box, the fixing columns 13 fixedly connected with the stacking box are arranged at the bottom of the fixing plates 16, sliding grooves 19 are formed in the inner sides of the fixing plates 16, and a sliding plate 18 is arranged between the fixed plates 16, two ends of the sliding plate 18 are connected in the sliding groove 19 in a sliding way, and the bottom of the sliding plate 18 is provided with a plurality of fixedly connected first hydraulic rods 15, the bottom of the first hydraulic rods 15 is fixedly connected with the feeding sucker 14, the upper end of the sliding plate 18 is provided with a fixedly connected rack 181, a rotatable rotating shaft 171 is arranged between the fixed plates 16 above the sliding plate 18, the rotating shaft 171 is provided with a conveying gear 17 which is fixedly connected and meshed with the rack 181, one side of the fixing plate 16 is provided with a conveying motor 172, and the output end of the conveying motor 172 is connected with the rotating shaft 171.

The rack 181 is driven to move back and forth by the rotation of the rotating shaft 171 through the conveying gear 17, so that the movement of the feeding sucker 14 is realized, the circuit board can move onto the feeding conveying roller after being adsorbed by the feeding sucker 14, the feeding is completed, and the production efficiency is improved;

further, first motor 10 of fixed connection in the windrow box, first motor 10 output is equipped with fixed connection's first bevel gear 101, it is equipped with the material loading pole 11 that is connected to go up flitch 12 all around, be equipped with reciprocal screw thread 111 on the material loading pole 11, and material loading pole 11 is connected with material loading pole 12 through reciprocal screw thread 111, material loading pole 11 bottom is connected with the windrow box rotation, is located inside the windrow box be equipped with fixed connection's second bevel gear 112 on the material loading pole 11, be equipped with a plurality of rotatable connecting rods 106 in the windrow box, the connecting rod 106 both ends all are equipped with fixed connection's third bevel gear 102, are located connecting rod 106 one end third bevel gear 102 meshes with second bevel gear 112, are located the connecting rod 106 other end third bevel gear 102 meshes with first bevel gear 101.

The design of the first bevel gear 101, the second bevel gear 112 and the third bevel gear 102 can utilize one first motor 10 to simultaneously drive a plurality of feeding rods 11 to synchronously rotate, and through the design of the reciprocating screw 111, the feeding plates 12 can be driven to stably move up and down through the rotation of the feeding rods 11 and are simultaneously combined with the first hydraulic rod 15, so that more circuit boards can be stacked on the feeding plates 12.

Further, be equipped with the posting 105 that is used for preventing connecting rod 106 from removing in the windrow case, posting 105 rotates with connecting rod 106 to be connected, is located the material loading pole 11 outside be equipped with regulation annular 103 in the windrow case 1, be equipped with the regulation crown plate 104 of rotating the connection in the regulation annular 103, regulation crown plate 104 and corresponding material loading pole 11 fixed connection.

The design of the adjusting ring groove 103 and the adjusting ring plate 104 can enable the feeding rod 11 to be rotatably arranged on the stacking box, and the rotating stability of the feeding rod 11 is ensured.

Further, the feeding plate 12 is provided with a plurality of limiting plates 121 for fixing and limiting the circuit board, the middle of each limiting plate 121 is provided with a limiting groove 122, and the upper part of the feeding rod 11 moves up and down in the corresponding limiting groove 122.

Due to the design of the limiting plate 121 and the limiting groove 122, the limiting plate 121 can effectively fix the circuit board, the stacking stability of the circuit board is guaranteed, and the feeding rod 11 can be effectively hidden due to the design of the limiting groove 122.

Further, the drying box 3 comprises a feeding port 31 and a discharging port 32, the feeding port 31 is arranged below one side of the drying box 3, the discharging port 32 is arranged above the other side of the drying box 3, a plurality of uniformly distributed lifting grooves are arranged on the inner walls of the two sides of the drying box 3 between the feeding port 31 and the discharging port 32, a lifting plate 36 capable of moving up and down is arranged in each lifting groove, a plurality of uniformly distributed first positioning rods 33 are arranged on each lifting plate 36 from top to bottom, each first positioning rod 33 is arranged on each lifting plate 36 in a retractable manner, a second positioning rod 34 aligned with each first positioning rod 33 is arranged on the inner wall of the drying box 3 at one side of each first positioning rod 33, each second positioning rod 34 is arranged on the inner wall of the drying box 3 in a retractable manner, the second positioning rod 34 positioned at the lowest position is aligned with the feeding port 31, and the second positioning rod 34 positioned at the uppermost position is aligned with the discharging port 32, be located discharge gate 32 one side the stoving incasement 3 is equipped with rotatable conveyer belt 37, be equipped with a plurality of push plates 371 that are used for driving circuit board propelling movement and the separation of stoving case 3 on the conveyer belt 37, be equipped with the hot air drier 38 that is used for drying in the stoving case 3, be located between second locating lever 34 be equipped with the stoving hole 382 that is used for dry hot air water conservancy diversion stoving on the stoving case 3 inner wall.

First locating lever 33 and second locating lever 34's design, second locating lever 34 can carry out effectual support with the circuit board fixedly, first locating lever 33 is along with the upward movement of riser 36, can upwards carry the circuit board of bottom to last second locating lever 34 on, thereby realized that the circuit board stacks from ascending stack in proper order in bottom, the dwell time of circuit board in stoving case 3 has been improved, improve drying efficiency, the design of hole 382 dries simultaneously, can weather the hot gas flow to the circuit board on every layer and dry, further improvement holistic drying efficiency, the design of push pedal 371, can pass through push pedal 371, the automatic propelling movement of the circuit board of accomplishing of drying comes out, automatic discharging has been realized.

Further, drying box 3 inner wall bottom is equipped with the adjustment tank 351 with rising the groove and communicate, be equipped with fixed connection's backup pad 35 in the adjustment tank 351, backup pad 35 top and rising board 36 fixed connection, and backup pad 35 below is equipped with a plurality of fixed connection and is used for driving backup pad 35 up-and-down motion's second hydraulic stem 352.

Further, all be equipped with a plurality of stoving pipes 384 in the stoving case 3 inner wall, stoving pipe 384 and stoving hole 382 intercommunication, from top to bottom be equipped with the communicating pipe 383 that is linked together between the stoving pipe 384, dry air heater 38 output end is equipped with honeycomb duct 381, honeycomb duct 381 and communicating pipe 383 communicate.

Further, the inner wall of the drying box 3 and the lifting plate 36 are both provided with a recovery groove 39 for the first positioning rod 33 and the second positioning rod 34 to contract, a recovery shaft 391 is disposed in the recovery groove 39, the recovery shaft 391 is respectively connected with the corresponding first positioning rod 33 or the second positioning rod 34 in a rotating manner, and the recovery shaft 391 is provided with a torsion spring for recovering the initial position of the recovery shaft 391.

The design of torsion spring makes the rising of circuit board, can drive second locating lever 34 and retrieve automatically, and after the circuit board separation, second locating lever 34 can pop out automatically, supports the circuit board.

Any numerical value recited herein includes all values from the lower value to the upper value that are incremented by one unit, provided that there is a separation of at least two units between any lower value and any higher value. For example, if it is stated that the number of a component or a value of a process variable (e.g., temperature, pressure, time, etc.) is from 1 to 90, preferably from 20 to 80, and more preferably from 30 to 70, it is intended that equivalents such as 15 to 85, 22 to 68, 43 to 51, 30 to 32 are also expressly enumerated in this specification. For values less than 1, one unit is suitably considered to be 0.0001, 0.001, 0.01, 0.1. These are only examples of what is intended to be explicitly recited, and all possible combinations of numerical values between the lowest value and the highest value that are explicitly recited in the specification in a similar manner are to be considered.

Unless otherwise indicated, all ranges include the endpoints and all numbers between the endpoints. The use of "about" or "approximately" with a range applies to both endpoints of the range. Thus, "about 20 to about 30" is intended to cover "about 20 to about 30", including at least the endpoints specified.

All articles and references disclosed, including patent applications and publications, are hereby incorporated by reference for all purposes. The term "consisting essentially of …" describing a combination shall include the identified element, ingredient, component or step as well as other elements, ingredients, components or steps that do not materially affect the basic novel characteristics of the combination. The use of the terms "comprising" or "including" to describe combinations of elements, components, or steps herein also contemplates embodiments that consist essentially of such elements, components, or steps. By using the term "may" herein, it is intended to indicate that any of the described attributes that "may" include are optional.

A plurality of elements, components, parts or steps can be provided by a single integrated element, component, part or step. Alternatively, a single integrated element, component, part or step may be divided into separate plural elements, components, parts or steps. The disclosure of "a" or "an" to describe an element, ingredient, component or step is not intended to foreclose other elements, ingredients, components or steps.

It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided will be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but should instead be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are hereby incorporated by reference for all purposes. The omission in the foregoing claims of any aspect of subject matter that is disclosed herein is not intended to forego such subject matter, nor should the inventors be construed as having contemplated such subject matter as being part of the disclosed subject matter.