CN213861260U

CN213861260U - Multi-station circuit board printing device

Info

Publication number: CN213861260U
Application number: CN202021724105.9U
Authority: CN
Inventors: 王志远
Original assignee: Hangzhou Jiuzhou Environmental Protection Technology Co ltd
Current assignee: Hangzhou Jiuzhou Environmental Protection Technology Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-08-03
Anticipated expiration: 2030-08-18

Abstract

The utility model discloses a many merit positions circuit board printing device. It includes the carousel, the edge of carousel up end be fixed with a plurality of fixing base and with the spacing subassembly of fixing base assorted, the inboard of fixing base is arranged in to spacing subassembly, the side of carousel annular distribution in proper order has material loading area, position control subassembly, printing module, dry subassembly, upset subassembly and lower material area, position control subassembly, printing module, dry subassembly and upset subassembly all install in the top of carousel edge and with carousel sliding connection. The utility model has the advantages that: the printing quality is ensured, and the printing efficiency is greatly improved.

Description

Multi-station circuit board printing device

Technical Field

The utility model belongs to the technical field of the relevant technique of circuit board printing and specifically relates to indicate a many merit positions circuit board printing device.

Background

With the development and maturity of electronic technology, various electronic products are filled in daily work and life of people, and great convenience is brought to people. Among various electronic products, a circuit board is a very common and important electronic product. The circuit board production process involves a printing process, which needs to be performed by a circuit board printing apparatus.

The screen printer is a device for printing ink, soldering paste or surface mount adhesive on paper and PCB pad by screen, and is mainly used in electronic printing industry, screen printing mark of printed circuit board, mark of instrument case panel, soldering paste printing in circuit board printing process, etc. The printing of circuit board is accomplished this process of printing by semi-automatic silk screen printing machine at present, and the blank circuit board is taken to the printing machine and is printed and take off the printed matter after the printing is accomplished and all need the manual work to put and get, and the location also relies on the manual work to look for some location printing by the manual work after pasting the setpoint on the printing machine platform.

The existing circuit board printing machine needs a worker to have certain working experience and technology, can cause low printing efficiency when in application, has higher production cost and inaccurate manual positioning, thereby causing the printing to often appear skew or dislocation, causing poor printing quality, and in addition, too much manual intervention can also increase the risk of polluting the circuit board, and further reducing the printing quality of the circuit board.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome among the prior art inefficiency of printing and the not good not enough of printing quality, provide a many merit position circuit board printing device that printing efficiency is high and printing quality is good.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model also provides a many merit position circuit board printing device, including the carousel, the edge of carousel up end be fixed with a plurality of fixing base and with the spacing subassembly of fixing base assorted, the inboard of fixing base is arranged in to spacing subassembly, the side of carousel annular distribution in proper order has material loading area, position control subassembly, printing component, dry subassembly, upset subassembly and lower material area, position control subassembly, printing component, dry subassembly and upset subassembly all install in the top of carousel edge and with carousel sliding connection.

The utility model discloses a multi-station full-automatic assembly line technology, automatically convey the circuit board to the fixing base through the upper material belt, and automatically unload the printed circuit board through the lower material belt, compared with manual feeding and discharging, the printing efficiency is greatly improved; the limiting component has a limiting effect when the circuit board is conveyed onto the fixed seat, and the circuit board is prevented from falling off the fixed seat in the conveying process; the position of the circuit board transmitted to the fixing seat is adjusted through the position adjusting component, and the fixing seat works to fix the circuit board after the adjustment is finished, so that the position precision of the circuit board during printing is ensured, the circuit board printing failure caused by the transmission dislocation phenomenon of the circuit board and the printing component is avoided, and the printing quality is greatly improved; the printing component is used for printing the circuit board; the printed circuit board is smoked immediately by the drying component, so that the ink is cured, the ink is rapidly and completely fixed on the circuit board, the printing quality is improved, the traditional hot air drying is realized, the wind power during the smoking is extremely low, the ink cannot flow around on the circuit board due to the blowing of the wind power in the drying process, and the printing quality is further ensured.

As preferred, the height that highly is higher than the carousel in the material loading area, be fixed with transition dish one on the material loading area, the one end of transition dish one is arranged in under the material loading area export, the other end of transition dish one is located the side of carousel up end edge and arranges in same height with the fixing base, the height that highly is less than the carousel in unloading area, be fixed with transition dish two on the unloading area, the one end of transition dish one is arranged in the unloading and is taken directly over the entry, the other end of transition dish two is located the side of carousel up end edge and arranges in same height with the fixing base, the transition dish one that adds and transition dish two make the circuit board more level and smooth stable in the in-process conveying of last unloading, fine has prevented the circuit board and has appeared the condition that drops at last unloading in-process.

Preferably, an air supply box is fixed in the middle of the rotary table, the limiting assembly comprises an air cylinder fixed on the rotary table, the air cylinder is connected with the air supply box, a vertical baffle is fixed on the air cylinder and is arranged on the side surface of the fixed seat, a buffer layer is arranged on the side surface of the vertical baffle, which is opposite to the fixed seat, a plurality of suckers are arranged on the upper end surface of the fixed seat, the suckers are connected with the air supply box, and the air supply box is used for supplying air pressure to the air cylinder and the suckers so as to control the work of the air cylinder and the suckers; the circuit board conveyed by the feeding belt is blocked when colliding with the buffer layer of the vertical baffle plate, so that the circuit board is prevented from directly sliding out of the fixed seat, and the added buffer layer can prevent the circuit board from being damaged or scratched when colliding with the vertical baffle plate; during blanking, the vertical baffle is driven to move by the cylinder, and the circuit board on the fixed seat is pushed to the blanking belt; the sucking disc can produce suction, fixes the circuit board after the position adjustment.

Preferably, a first lifting table matched with the position adjusting assembly is arranged on the side face of the rotary table, the position adjusting assembly comprises a first lifting block arranged on the first lifting block, a fixing frame is fixed on the lower end face of the first lifting block and is positioned right above the edge of the upper end face of the rotary table, the fixing frame is formed by vertically fixing two rectangular plates, two sides of the lower end face of one rectangular plate are respectively provided with a first sliding groove, the first sliding grooves are connected with a first adjusting plate in a sliding mode and are arranged in parallel, two sides of the lower end face of the other rectangular plate are respectively provided with a second sliding groove, the second sliding grooves are connected with a second adjusting plate in a sliding mode, the first adjusting plates and the second adjusting plates are arranged in parallel, the first adjusting plates are perpendicular to each other, and the first lifting table is used for driving the position adjusting assembly to lift so that the position adjusting assembly can automatically reset after the circuit board is adjusted and finished; during adjustment, the two first adjusting plates are respectively located on the left side and the right side of the circuit board, the two second adjusting plates are respectively located on the front side and the rear side of the circuit board, the position of the circuit board on the fixing seat can be well corrected through sliding of the first adjusting plate and the second adjusting plate in the first sliding groove and the second sliding groove, the circuit board is adjusted to the preset position corresponding to the printing assembly, and therefore the printing assembly can accurately print the circuit board.

Preferably, a rotating motor is fixed at the intersection of the two rectangular plates, a rotating rod is fixed on the rotating motor, two ends of the rotating rod are rotatably connected with a first connecting rod, the first connecting rods are respectively installed on the first two adjusting plates and rotatably connected with the first adjusting plates, two ends of the rotating rod are rotatably connected with a second connecting rod, the second connecting rods are respectively installed on the second two adjusting plates and rotatably connected with the second adjusting plates, the rotating motor can control the rotating rod to rotate, and then the first connecting rods and the second connecting rods are driven to rotate, so that the purpose of controlling the first adjusting plates and the second adjusting plates to move is achieved; when the rotating rod rotates forwards, the two first adjusting plates approach to each other under the pulling of the first connecting rod, the positions of the circuit board in the left-right direction are adjusted, and the two second adjusting plates are far away from each other under the pushing of the second connecting rod; when the rotating rod rotates reversely, the two adjusting plates II are close to each other under the pulling of the connecting rod II, the positions of the adjusting circuit board in the front-back direction are adjusted, and the two adjusting plates I are far away from each other under the pushing of the connecting rod I.

Preferably, a second lifting table matched with the printing assembly is arranged on the side face of the rotary table, the position printing assembly comprises a second lifting block arranged on the second lifting table, a printing screen is fixed at the bottom of the second lifting block, a silk screen and an ink supply machine are fixed on the printing screen, the silk screen is located right above the edge of the upper end face of the rotary table, the ink supply machine is arranged on the side face of the silk screen, a sliding block is connected onto the second lifting block in a sliding mode and located above the silk screen, a rotating shaft matched with the silk screen is rotatably connected to the bottom of the sliding block, an ink coating brush strip and an ink scraping strip are respectively fixed on the outer side face of the rotating shaft, the ink coating brush strip is arranged on one side, close to the ink supply machine, of the rotating shaft and forms an acute angle with the silk screen, the ink scraping strip is arranged on one side, far away from the ink supply machine, of the rotating shaft and forms an obtuse angle with the silk screen, and the lifting table is used for driving the printing assembly to lift so that the circuit board automatically resets after printing assembly prints and finishes; the ink-coating brush strip can coat ink at the ink supply machine on the silk screen under the driving of the sliding block, and the ink-coating brush strip can form certain pressure on the silk screen through the positive rotation of the rotating shaft, so that the ink-coating effect is further improved; scrape the ink strip and can be under the drive of sliding block on the printing face of circuit board with the printing ink impression on the silk screen, and through the reversal of pivot, can make and scrape the ink strip and form certain pressure to the silk screen, further promoted the impression effect.

Preferably, a third lifting platform matched with the drying assembly is arranged on the side face of the rotary table, the drying assembly comprises a third lifting block arranged on the third lifting block, a shell is fixed on the third lifting block, a cavity is arranged in the shell, a steam outlet is fixed on the top face of the cavity, a plurality of steam outlet holes are formed in the side face of the steam outlet, a steam outlet is formed in the bottom face of the cavity and is located right above the edge of the upper end face of the rotary table, the steam outlet is in an inverted circular truncated cone shape, a sealed water filling port is arranged on the upper end face of the shell and is communicated with the interior of the steam outlet box, and the three-purpose lifting platform is used for driving the drying assembly to lift so that the drying assembly can perform fumigation on the circuit board and automatically reset after the fumigation and the drying of the circuit board are finished; the steam outlet box can rapidly heat water in the box in an electromagnetic induction heating mode to generate hot steam, and the hot steam is used for fumigating and baking the ink on the circuit board through the steam outlet to rapidly cure the ink; the steam outlet is designed to be in an inverted circular truncated cone shape, and the design of the inclined surface at the steam outlet can be utilized to more fully utilize the hot steam, reduce the leakage and improve the utilization rate of the hot steam; the added sealing water filling port can supply water to the steam outlet box.

The utility model has the advantages that: through a multi-station full-automatic assembly line technology, automatic feeding and discharging of the circuit board are achieved, and compared with manual feeding and discharging, printing efficiency is greatly improved; the position precision of the circuit board during printing is ensured, the circuit board printing failure caused by the transmission dislocation phenomenon of the circuit board and the printing component is avoided, and the printing quality is greatly improved; the curing of the ink is accelerated, so that the ink is quickly fixed on the circuit board, and the printing quality is improved; compared with the traditional hot air drying, the wind power during the smoking is extremely low, the printing ink can not flow around on the circuit board due to the blowing of the wind power in the drying process, and the printing quality is further ensured.

Drawings

Fig. 1 is a top view of the present invention;

FIG. 2 is an enlarged view at D of FIG. 1;

FIG. 3 is an enlarged view at A in FIG. 1;

FIG. 4 is a bottom view of a portion of the elevator block of FIG. 3;

FIG. 5 is an enlarged view at B in FIG. 1;

FIG. 6 is a front view of a portion of the lift table of FIG. 5;

FIG. 7 is an enlarged view at C of FIG. 1;

fig. 8 is a front view of three portions of the lift table of fig. 7.

In the figure: 1. the printing machine comprises a rotating disc, 2 parts of an air supply box, 3 parts of a turnover assembly, 4 parts of a transition disc II, 5 parts of a material discharging belt, 6 parts of a transition disc I, 7 parts of a material feeding belt, 8 parts of a fixed seat, 9 parts of a suction disc, 10 parts of an air cylinder, 11 parts of a vertical baffle plate, 12 parts of a buffer layer, 13 parts of a lifting platform I, 14 parts of a lifting block I, 15 parts of a fixed frame, 16 parts of a rectangular plate, 17 parts of a sliding groove I, 18 parts of a connecting rod I, 19 parts of a regulating plate I, 20 parts of a regulating plate II, 21 parts of a connecting rod II, 22 parts of a sliding groove II, 23 parts of a rotating rod, 24 parts of a rotating motor, 25 parts of a printing screen plate, 26 parts of a lifting block II, 27 parts of a lifting platform II, 28 parts of a sliding block, 29 parts of a screen net, 30 parts of an ink supply machine, 31 parts of ink coating brush strips, 32 parts of ink scraping strips, 33 parts of rotating shafts, 34 parts of shells, 35 parts of lifting platform III, 36 parts of lifting blocks III, 37. cavity 38, steam outlet 39, steam outlet box 40, steam outlet hole 41, sealing water filling port.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

In the embodiment shown in fig. 1 and 2, a multi-station printed circuit board device includes a turntable 1, a plurality of fixing seats 8 and a limiting component matched with the fixing seats 8 are fixed at the edge of the upper end surface of the turntable 1, the limiting component is arranged inside the fixing seats 8, a feeding belt 7, a position adjusting component, a printing component, a drying component, a turning component 3 and a discharging belt 5 are sequentially distributed on the side surface of the turntable 1 in an annular manner, and the position adjusting component, the printing component, the drying component and the turning component 3 are all installed above the edge of the turntable 1 and are connected with the turntable 1 in a sliding manner.

As shown in fig. 1 and 2, the height of the upper material belt 7 is higher than that of the rotary table 1, a first transition disc 6 is fixed on the upper material belt 7, one end of the first transition disc 6 is arranged under an outlet of the upper material belt 7, the other end of the first transition disc 6 is positioned on the side face of the edge of the upper end face of the rotary table 1 and is arranged at the same height with the fixed seat 8, the height of the lower material belt 5 is lower than that of the rotary table 1, a second transition disc 4 is fixed on the lower material belt 5, one end of the first transition disc 6 is arranged right above an inlet of the lower material belt 5, and the other end of the second transition disc 4 is positioned on the side face of the edge of the upper end face of the rotary table 1 and is arranged at the same height with the fixed seat 8.

As shown in fig. 1 and 2, a gas supply box 2 is fixed at the middle position of the turntable 1, the limiting assembly comprises a cylinder 10 fixed on the turntable 1, the cylinder 10 is connected with the gas supply box 2, a vertical baffle 11 is fixed on the cylinder 10, the vertical baffle 11 is arranged on the side surface of the fixing base 8, the vertical baffle 11 is just opposite to the side surface of the fixing base 8 and is provided with a buffer layer 12, a plurality of suckers 9 are arranged on the upper end surface of the fixing base 8, and the suckers 9 are connected with the gas supply box 2.

As shown in fig. 1, fig. 3 and fig. 4, turntable 1 side is provided with a first elevating platform 13 matched with a position adjusting component, the position adjusting component includes a first elevating block 14 installed on first elevating platform 13, a fixing frame 15 is fixed on the lower end face of first elevating block 14, fixing frame 15 is located right above edge of the upper end face of turntable 1, fixing frame 15 is composed of two rectangular plates 16 which are vertically fixed, wherein, a first sliding groove 17 is arranged on both sides of the lower end face of one rectangular plate 16, a first adjusting plate 19 is slidably connected in first sliding groove 17, two first adjusting plates 19 are arranged in parallel, a second sliding groove 22 is arranged on both sides of the lower end face of the other rectangular plate 16, a second adjusting plate 20 is slidably connected in second sliding groove 22, two second adjusting plates 20 are arranged in parallel, and the first adjusting plate 19 and the second adjusting plate 20 are perpendicular to each other.

As shown in fig. 4, a rotating motor 24 is fixed at the intersection of the two rectangular plates 16, a rotating rod 23 is fixed on the rotating motor 24, two ends of the rotating rod 23 are respectively and rotatably connected with a first connecting rod 18, the first connecting rods 18 are respectively installed on the first two adjusting plates 19 and rotatably connected with the first adjusting plates 19, two ends of the rotating rod 23 are respectively and rotatably connected with a second connecting rod 21, the second connecting rods 21 are respectively installed on the second two adjusting plates 20 and the second adjusting plates 20 are rotatably connected.

As shown in figure 1 of the drawings, in which, as shown in fig. 5 and 6, a second lifting table 27 matched with the printing component is arranged on the side surface of the rotary table 1, the position printing component comprises a second lifting block 26 installed on the second lifting table 27, a printing screen plate 25 is fixed at the bottom of the second lifting block 26, a screen 29 and an ink supply machine 30 are fixed on the printing screen plate 25, the screen 29 is located right above the edge of the upper end surface of the rotary table 1, the ink supply machine 30 is arranged on the side surface of the screen 29, a sliding block 28 is connected on the second lifting block 26 in a sliding manner, the sliding block 28 is located above the screen 29, a rotating shaft 33 matched with the screen 29 is rotatably connected at the bottom of the sliding block 28, an ink coating brush strip 31 and an ink scraping strip 32 are respectively fixed on the outer side surface of the rotating shaft 33, the ink coating brush strip 31 is arranged on the side of the rotating shaft 33 close to the ink supply machine 30 and forms an acute angle with the screen 29, and the ink scraping strip 32 is arranged on the side of the rotating shaft 33 far away from the ink supply machine 30 and forms an obtuse angle with the screen 29.

As shown in fig. 1, 7 and 8, a third lifting platform 35 matched with the drying component is arranged on the side surface of the rotary table 1, the drying component comprises a third lifting block 36 installed on the third lifting platform 35, a shell 34 is fixed on the third lifting block 36, a cavity 37 is arranged inside the shell 34, a steam outlet box 39 is fixed on the top surface of the cavity 37, a plurality of steam outlet holes 40 are arranged on the side surface of the steam outlet box 39, a steam outlet 38 is arranged on the bottom surface of the cavity 37, the steam outlet 38 is positioned right above the edge of the upper end surface of the rotary table 1, the steam outlet 38 is in a shape of an inverted circular truncated cone, a sealing water filling port 41 is installed on the upper end surface of the shell, and the sealing water filling port 41 is communicated with the steam outlet box 39.

The working process is as follows:

firstly, the feeding belt 7 transfers the circuit board to be printed to a fixed seat 8 on the side surface of the feeding belt 7.

Secondly, the turntable 1 rotates to convey the circuit board to the position adjusting assembly, and after the circuit board is in place, the first lifting table 13 works to drive the position adjusting assembly to descend, so that the first adjusting plates 19 are respectively positioned at the left side and the right side of the circuit board, and the second adjusting plates 20 are respectively positioned at the front side and the rear side of the circuit board; then the rotating motor 24 rotates forwards to drive the rotating rod 23 to rotate forwards, the two regulating plates I19 approach to each other under the pulling of the connecting rod I18, and the left and right positions of the circuit board are regulated (at the moment, the two regulating plates II 20 are pushed by the connecting rod II 21 to move away from each other); then the rotating motor 24 rotates reversely again to drive the rotating rod 23 to rotate reversely, the two adjusting plates two 20 approach to each other under the pulling of the connecting rods two 21, and the front and back positions of the circuit board are adjusted (at this time, the two adjusting plates one 19 move away from each other under the pushing of the connecting rods one 18);

thirdly, after the circuit board position is adjusted, the sucking disc 9 works to generate suction force, the circuit board is firmly adsorbed on the fixing seat 8 to be fixed, and then the position adjusting assembly resets under the action of the first lifting platform 13.

Fourthly, the turntable 1 continues to rotate, the circuit board is conveyed to the lower part of the printing assembly, after the circuit board is in place, the second lifting platform 27 works to drive the printing assembly to descend, so that the silk screen 29 on the printing screen plate 25 is tightly pressed on the printing surface of the circuit board, then the sliding block 28 moves to drive the ink-coating brush strip 31 to move, and ink at the ink supply machine 30 is completely and uniformly coated on the silk screen 29 (when the ink is coated, the rotating shaft 33 is in a forward rotation state, and the ink-coating brush strip 31 is pressed on the silk screen 29 and forms certain pressure on the silk screen 29); after the ink is coated, the sliding block 28 moves back to drive the ink scraping strip 32 to move and scrape ink, and the ink and the silk screen 29 are squeezed in the movement, so that the ink is leaked and printed on the printing surface of the circuit board through the meshes (the rotating shaft 33 is in a reverse state during ink scraping, and the ink scraping strip 32 presses the silk screen 29 and forms certain pressure on the silk screen 29). After printing, the printing assembly is reset under the action of the second lifting table 27.

Fifthly, the turntable 1 continues to rotate, the circuit board is conveyed to the position below the drying assembly, after the circuit board is in place, the third lifting platform 35 works to drive the drying assembly to descend, the steam outlet 38 just faces the printing surface of the circuit board, then the circuit board is discharged out of the steam box 39 to work, and the generated hot steam smolders and bakes the ink on the circuit board through the steam outlet 38 to enable the ink to be cured quickly. After the smoking, the drying component is reset under the action of the third lifting platform 36.

Sixthly, the turntable 1 continues to rotate, and the circuit board is conveyed to the lower part of the turnover assembly 3. When the circuit board needs to be subjected to double-sided printing, the circuit board is turned over through the turning assembly, and the turned circuit board continues to start the printing operation of the other side on the turntable 1; when the circuit board need not carry out double-sided printing, then carousel 1 continues to rotate, delivers to the side of unloading area 5 with the circuit board, and the sucking disc 9 stop work on the fixing base 8 this moment, and the work of cylinder 10 and then drive vertical baffle 11 and remove, pushes away the circuit board on the fixing base 8 to unloading area 5 on, accomplishes the unloading.

Claims

1. The utility model provides a many merit position circuit board printing device, characterized by, includes carousel (1), the edge of carousel (1) up end is fixed with a plurality of fixing base (8) and with fixing base (8) assorted spacing subassembly, the inboard of fixing base (8) is arranged in to spacing subassembly, the side of carousel (1) annular distribution in proper order has material area (7), position control subassembly, printing module, dry subassembly, upset subassembly (3) and lower material area (5), position control subassembly, printing module, dry subassembly and upset subassembly (3) all install in the top of carousel (1) edge and with carousel (1) sliding connection.

2. A multiple-station circuit board printing device according to claim 1, wherein the height of the loading belt (7) is higher than the height of the turntable (1), a first transition disc (6) is fixed on the feeding belt (7), one end of the first transition disc (6) is arranged right below the outlet of the feeding belt (7), the other end of the first transition disc (6) is positioned on the side surface at the edge of the upper end surface of the rotating disc (1) and is arranged at the same height with the fixed seat (8), the height of the lower material belt (5) is lower than that of the rotary table (1), a second transition disc (4) is fixed on the lower material belt (5), one end of the first transition disc (6) is arranged right above the inlet of the lower material belt (5), the other end of the second transition disc (4) is positioned on the side face of the edge of the upper end face of the rotary disc (1) and is arranged at the same height with the fixed seat (8).

3. The multi-station circuit board printing device according to claim 1, wherein an air supply box (2) is fixed at a middle position of the rotary table (1), the limiting assembly comprises an air cylinder (10) fixed on the rotary table (1), the air cylinder (10) is connected with the air supply box (2), a vertical baffle (11) is fixed on the air cylinder (10), the vertical baffle (11) is arranged on the side surface of the fixing seat (8), the vertical baffle (11) is provided with a buffer layer (12) on the side surface opposite to the fixing seat (8), a plurality of suckers (9) are arranged on the upper end surface of the fixing seat (8), and the suckers (9) are connected with the air supply box (2).

4. The multi-station circuit board printing device according to claim 1, wherein a first lifting table (13) matched with the position adjusting assembly is arranged on the side surface of the rotary table (1), the position adjusting assembly comprises a first lifting block (14) installed on the first lifting table (13), a fixing frame (15) is fixed on the lower end surface of the first lifting block (14), the fixing frame (15) is positioned right above the edge of the upper end surface of the rotary table (1), the fixing frame (15) is formed by vertically fixing two rectangular plates (16), a first sliding groove (17) is arranged on each of two sides of the lower end surface of one rectangular plate (16), an adjusting plate (19) is slidably connected in the first sliding groove (17), the two adjusting plates (19) are arranged in parallel, a second sliding groove (22) is arranged on each of two sides of the lower end surface of the other rectangular plate (16), and an adjusting plate (20) is slidably connected in the second sliding groove (22), the two adjusting plates II (20) are arranged in parallel, and the adjusting plates I (19) and the adjusting plates II (20) are perpendicular to each other.

5. The multi-position circuit board printing device according to claim 4, wherein a rotating motor (24) is fixed at the intersection of the two rectangular plates (16), a rotating rod (23) is fixed on the rotating motor (24), the two ends of the rotating rod (23) are rotatably connected with a first connecting rod (18), the first connecting rod (18) is respectively installed on the two first adjusting plates (19) and is rotatably connected with the first adjusting plates (19), the two ends of the rotating rod (23) are rotatably connected with a second connecting rod (21), the second connecting rod (21) is respectively installed on the two second adjusting plates (20) and the second adjusting plates (20) are rotatably connected.

6. The multi-station circuit board printing device according to claim 1, wherein a second lifting table (27) matched with the printing component is arranged on the side surface of the rotary table (1), the printing component comprises a second lifting block (26) arranged on the second lifting table (27), a printing screen (25) is fixed at the bottom of the second lifting block (26), a silk screen (29) and an ink supply machine (30) are fixed on the printing screen (25), the silk screen (29) is positioned right above the edge of the upper end surface of the rotary table (1), the ink supply machine (30) is arranged on the side surface of the silk screen (29), a sliding block (28) is connected on the second lifting block (26) in a sliding manner, the sliding block (28) is positioned above the silk screen (29), a rotating shaft (33) matched with the silk screen (29) is rotatably connected at the bottom of the sliding block (28), and an ink coating brush strip (31) and an ink scraping strip (32) are respectively fixed on the outer side surface of the rotating shaft (33), scribble black brush strip (31) and arrange in pivot (33) and be close to one side of ink supply machine (30) and be the acute angle with silk screen (29), scrape black strip (32) and arrange in pivot (33) and keep away from one side of ink supply machine (30) and be the obtuse angle with silk screen (29).

7. The multi-station circuit board printing device according to claim 1, wherein a third lifting table (35) matched with a drying component is arranged on the side surface of the rotary table (1), the drying component comprises a third lifting block (36) arranged on the third lifting table (35), a shell (34) is fixed on the third lifting block (36), a cavity (37) is arranged inside the shell (34), a steam outlet box (39) is fixed on the top surface of the cavity (37), a plurality of steam outlet holes (40) are arranged on the side surface of the steam outlet box (39), a steam outlet (38) is arranged on the bottom surface of the cavity (37), the steam outlet (38) is positioned right above the edge of the upper end surface of the rotary table (1), the steam outlet (38) is in an inverted circular truncated cone shape, and a sealed water filling port (41) is arranged on the upper end surface of the shell (34), the sealed water filling port (41) is communicated with the interior of the steam outlet box (39).