CN115955780B - Efficient leveling device and method for large-size printed board - Google Patents
Efficient leveling device and method for large-size printed board Download PDFInfo
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- CN115955780B CN115955780B CN202310233474.XA CN202310233474A CN115955780B CN 115955780 B CN115955780 B CN 115955780B CN 202310233474 A CN202310233474 A CN 202310233474A CN 115955780 B CN115955780 B CN 115955780B
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Abstract
The invention discloses a high-efficiency leveling device and method for a large-size printed board, and relates to the technical field of leveling of large-size printed boards, comprising a bottom plate, a reciprocating feeding device arranged on the bottom plate and a carrier arranged on the reciprocating feeding device, wherein the reciprocating feeding device comprises a platform fixedly arranged on the bottom plate and a guide rail fixedly arranged on the platform and horizontally arranged, a movable table is slidably arranged on the guide rail, a driving motor which is vertically arranged is fixedly arranged on the platform, and a cam is arranged on an output shaft of the driving motor; the carrier comprises a base fixedly arranged on the top surface of the movable table, a plurality of guide posts longitudinally arranged are slidably arranged on the rear side wall of the base, one ends of the guide posts extend into the cavity, and a positioning plate positioned in the cavity is fixedly arranged between the extending ends. The beneficial effects of the invention are as follows: compact structure, greatly improve the leveling efficiency, greatly improve the leveling quality, degree of automation is high.
Description
Technical Field
The invention relates to the technical field of leveling of large-size printed boards, in particular to a high-efficiency leveling device and method for the large-size printed boards.
Background
The electronic component assembly comprises a printed board, a single panel, a double panel, a PCB and the like, wherein the printed board is mainly arranged in a controller of the case and plays a role in controlling actions of corresponding executing mechanisms. The width of the large-size printed board cut in a workshop is 50cm, the length is 60cm, and the surface of the large-size printed board is uneven to influence subsequent processing, so that the large-size printed board can be conveyed to subsequent processing procedures after being leveled.
Adopt the press to level large-scale printed board in the workshop: the worker takes a large-size printed board 27 to be leveled and places the large-size printed board 27 on the top surface of the workbench 28, as shown in fig. 13, then the worker controls the pressing plate 30 of the press 29 to move downwards, and the pressing plate 30 presses the material of the large-size printed board 27 right below the pressing plate, as shown in fig. 14, so that the first area of the large-size printed board 27 is leveled; subsequently, the worker controls the pressing plate 30 of the press 29 to reset, after resetting, the worker adjusts the position of the large-size printed board 27 on the workbench 28 to enable an uneven area to be right below the pressing plate 30, and controls the pressing plate 30 of the press 29 to move downwards again, so that the other area of the large-size printed board 27 is leveled; by repeating the operation in this way, each area of the large-sized printed board 27 can be pressed by the pressing plate 30 of the press 29, and thus the whole large-sized printed board 27 can be leveled.
However, the in-shop leveling method can achieve leveling of the large-sized printed board 27, but in actual operation, the following technical drawbacks still remain:
I. since the area of the large-sized printed board 27 is much larger than that of the pressing plate 30, a worker is required to adjust the position of the large-sized printed board 27 on the table 28 many times to ensure that the pressing plate 30 of the press 29 can press each area of the large-sized printed board 27, which clearly increases the leveling process, thereby increasing the leveling time of the large-sized printed board 27 and greatly reducing the leveling efficiency of the large-sized printed board 27.
II. The worker only controls the descending height of the pressing plate 30 of the press 29 empirically, and cannot ensure that the descending height of the pressing plate 30 is uniform every time, so that after the pressing of the pressing plate 30 is finished every time, a plurality of step imprints are left on the top surface of the large-size printed board 27, that is, after leveling, the top surface of the large-size printed board 27 is still uneven, thereby greatly reducing the leveling quality. Therefore, there is a need for an efficient leveling device and method for large-sized printed boards that greatly improves the leveling efficiency and the leveling quality.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the high-efficiency leveling device and the method for the large-size printed board, which have the advantages of compact structure, great improvement of leveling efficiency, great improvement of leveling quality and high degree of automation.
The aim of the invention is achieved by the following technical scheme: the utility model provides a high-efficient levelling device of jumbo size printed board, it includes the bottom plate, sets up the reciprocal feeding device on the bottom plate, sets up the carrier on reciprocal feeding device, reciprocal feeding device is including setting firmly the platform on the bottom plate, set firmly on the platform and the guide rail that the level set up, slidable mounting has the movable table on the guide rail, still set firmly the driving motor of vertical setting on the platform, install the cam on driving motor's the output shaft, set firmly round pin axle I on the right-hand member portion of cam top surface, install the connecting rod on the round pin axle I rotation, the other end of connecting rod articulates on the movable table through round pin axle II;
the carrier comprises a base fixedly arranged on the top surface of the movable table, a cavity is formed in the top surface of the base, the depth of the cavity is smaller than the thickness of the large-size printed board, the horizontal width of the cavity is equal to that of the large-size printed board, the longitudinal width of the cavity is equal to that of the large-size printed board, a plurality of guide posts longitudinally arranged are slidably arranged in the rear side wall of the base, one ends of the guide posts extend into the cavity, a positioning plate positioned in the cavity is fixedly arranged between the extending ends, a spring is sleeved on each guide post, one end of the spring is fixedly arranged on the rear side wall of the base, and the other end of the spring is fixedly arranged on the positioning plate;
the bottom plate is fixedly provided with a portal frame which is erected above the platform, the top surface of a portal frame beam is fixedly provided with two lifting cylinders, piston rods of the two lifting cylinders penetrate through the beam, a truss is fixedly arranged between action ends of the two piston rods, the bottom surface of the truss is welded with a plurality of machine frames which are longitudinally arranged, each machine frame is internally provided with a compression roller in a rotating mode, and the compression rollers are arranged right above the base.
A plurality of cushion blocks are fixedly connected between the platform and the bottom plate.
The right end face of the platform is fixedly provided with a first mounting seat, and the driving motor is fixedly arranged on the top surface of the first mounting seat.
The right end face of the movable table is fixedly provided with a second mounting seat, and the pin shaft II is fixedly arranged on the top surface of the second mounting seat.
The top surface of the platform is fixedly provided with two guide rails which are arranged in parallel, the bottom surface of the movable platform is fixedly provided with a plurality of sliding blocks, and the sliding blocks are slidably arranged on the guide rails.
The top surface of the truss is fixedly provided with a balancing weight right above the compression roller.
The bottom surfaces of the pressing rollers are flush.
The leveling device also comprises a controller, wherein the controller is electrically connected with the driving motor and the electromagnetic valve of the lifting oil cylinder through signal wires.
A high-efficiency leveling method for a large-size printed board comprises the following steps:
s1, mounting a large-size printed board: the worker A pulls the guide post backwards, the guide post drives the positioning plate to move backwards, the positioning plate compresses the spring, after the spring is compressed to the limit position, the worker B puts the large-size printed board to be leveled into the cavity from top to bottom, and supports the large-size printed board at the bottom of the cavity, then the worker A releases the guide post, and the positioning plate presses the large-size printed board in the cavity under the restoring force of the spring, so that the installation of the large-size printed board is realized, at the moment, the front end face of the large-size printed board is matched with the front side wall of the cavity, and the left end face and the right end face of the large-size printed board are respectively matched with the left side wall and the right side wall of the cavity;
s2, controlling piston rods of the two lifting cylinders to extend downwards simultaneously, enabling the piston rods to drive the trusses to move downwards, enabling the trusses to drive the balancing weights and the machine frame to move downwards synchronously, enabling the machine frame to drive the press rolls to move downwards, enabling the press rolls to move towards the direction of the large-size printed board, and enabling the press rolls to press against the top surface of the large-size printed board after the piston rods of the lifting cylinders extend completely;
s3, controlling a driving motor to start, driving the cam to rotate, driving the pin shaft I to synchronously rotate by the cam, driving the connecting rod to move by the pin shaft I, driving the pin shaft II to do left-right reciprocating linear motion by the connecting rod, driving the movable platform to do left-right reciprocating linear motion along the guide rail by the pin shaft II, driving the base to do left-right reciprocating linear motion by the movable platform, and driving the large-size printed board in the base to do left-right reciprocating linear motion;
s4, taking out the leveled large-size printed board, wherein a worker A controls piston rods of two lifting cylinders to retract upwards simultaneously, the piston rods drive a truss to move upwards, the truss drives a balancing weight and a compression roller to move upwards synchronously, and after reset, the worker A controls a driving motor to be closed; then, a worker A pulls the guide post backwards, the guide post drives the positioning plate to move backwards, and when the positioning plate is separated from the large-size printed board, the worker B takes the leveled large-size printed board out of the die cavity;
s5, repeating the operations of the steps S1-S4, and continuously leveling the large-size printed boards.
The invention has the following advantages: compact structure, greatly improve the leveling efficiency, greatly improve the leveling quality, degree of automation is high.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 1;
FIG. 4 is a schematic view of the B-direction of FIG. 1;
FIG. 5 is a schematic view of a carrier;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a schematic view of a base in a carrier;
FIG. 8 is a schematic view of the structure of the reciprocating feeding device;
FIG. 9 is a top view of FIG. 8;
FIG. 10 is a schematic view of a mounted large-sized printed board;
FIG. 11 is a cross-sectional view of C-C of FIG. 10;
FIG. 12 is a schematic view of a press roller pressing against the top surface of a large-sized printed board;
FIG. 13 is a schematic view of a large-sized printed board to be leveled laid flat on a table;
fig. 14 is a schematic view of a platen pressing a large-sized printed board directly thereunder;
in the figure, the bottom plate, the 2-reciprocating feeding device, the 3-carrier, the 4-platform, the 5-guide rail, the 6-movable table, the 7-driving motor, the 8-cam, the 9-pin I, the 10-connecting rod, the 11-pin II, the 12-base, the 13-cavity, the 14-guide pillar, the 15-locating plate, the 16-spring, the 17-portal frame, the 18-lifting cylinder, the 19-truss, the 20-frame, the 21-press roller, the 22-cushion block, the 23-first mounting seat, the 24-second mounting seat, the 25-slider, the 26-balancing weight, the 27-large-size printed board, the 28-workbench, the 29-press machine and the 30-press plate are arranged.
Detailed Description
The invention is further described below with reference to the accompanying drawings, the scope of the invention not being limited to the following:
as shown in fig. 1-9, the efficient leveling device for the large-size printed board comprises a bottom plate 1, a reciprocating feeding device 2 arranged on the bottom plate 1 and a carrier 3 arranged on the reciprocating feeding device 2, wherein the reciprocating feeding device 2 comprises a platform 4 fixedly arranged on the bottom plate 1, a guide rail 5 fixedly arranged on the platform 4 and horizontally arranged, a plurality of cushion blocks 22 are fixedly connected between the platform 4 and the bottom plate 1, the cushion blocks 22 are used for increasing the load bearing of the platform 4, a movable table 6 is slidably arranged on the guide rail 5, a driving motor 7 which is vertically arranged is fixedly arranged on the platform 4, a cam 8 is arranged on an output shaft of the driving motor 7, a pin shaft I9 is fixedly arranged on the right end part of the top surface of the cam 8, a connecting rod 10 is rotatably arranged on the pin shaft I9, and the other end of the connecting rod 10 is hinged on the movable table 6 through a distribution shaft II 11; the carrier 3 comprises a base 12 fixedly arranged on the top surface of the movable table 6, a cavity 13 is formed in the top surface of the base 12, the depth of the cavity 13 is smaller than the thickness of the large-size printed board, the horizontal width of the cavity 13 is equal to that of the large-size printed board, the longitudinal width of the cavity 13 is equal to that of the large-size printed board, a plurality of guide posts 14 which are longitudinally arranged are slidably arranged in the rear side wall of the base 12, one ends of the guide posts 14 extend into the cavity 13, a positioning plate 15 which is positioned in the cavity 13 is fixedly arranged between the extending ends, a spring 16 is sleeved on each guide post 14, one end of the spring 16 is fixedly arranged on the rear side wall of the base 12, and the other end of the spring 16 is fixedly arranged on the positioning plate 15;
as shown in fig. 1-9, the bottom plate 1 is fixedly provided with a portal frame 17 which is erected above the platform 4, the top surface of a beam of the portal frame 17 is fixedly provided with two lifting cylinders 18, piston rods of the two lifting cylinders 18 are all arranged through the beam, a truss 19 is fixedly arranged between acting ends of the two piston rods, the top surface of the truss 19 is fixedly provided with a balancing weight 26 which is positioned right above the press roller 21, the balancing weight 26 is used for counteracting the acting force applied to the truss 19 by the press roller 21 so as to prevent the truss 19 from deforming, the bottom surface of the truss 19 is welded with a plurality of machine frames 20 which are longitudinally arranged, each machine frame 20 is internally provided with the press roller 21 in a rotating manner, the press roller 21 is arranged right above the base 12, and the bottom surfaces of the press rollers 21 are flush.
The right end face of the platform 4 is fixedly provided with a first mounting seat 23, and the driving motor 7 is fixedly arranged on the top surface of the first mounting seat 23. The right end face of the movable table 6 is fixedly provided with a second mounting seat 24, and the pin shaft II11 is fixedly arranged on the top surface of the second mounting seat 24. Two guide rails 5 which are arranged in parallel are fixedly arranged on the top surface of the platform 4, a plurality of sliding blocks 25 are fixedly arranged on the bottom surface of the movable table 6, and the sliding blocks 25 are slidably arranged on the guide rails 5.
The leveling device further comprises a controller, the controller is electrically connected with the driving motor 7 and the electromagnetic valve of the lifting oil cylinder 18 through signal wires, a worker can control the driving motor 7 to start or close through the controller, meanwhile, the lifting oil cylinder 18 can be controlled to extend or retract in a piston rod, the operation of the worker is facilitated, and the leveling device has the characteristic of being high in automation degree.
A high-efficiency leveling method for a large-size printed board comprises the following steps:
s1, mounting a large-size printed board 27: the worker A pulls the guide post 14 backwards, the guide post 14 drives the positioning plate 15 to move backwards, the positioning plate 15 compresses the spring 16, after the spring 16 is compressed to the limit position, the worker B puts the large-size printed plate 27 to be leveled into the cavity 13 from top to bottom, the large-size printed plate 27 is supported at the bottom of the cavity 13, then the worker A releases the guide post 14, and under the restoring force of the spring 16, the positioning plate 15 presses the large-size printed plate 27 into the cavity 13, so that the installation of the large-size printed plate 27 is realized, and as shown in fig. 10-11, the front end face of the large-size printed plate 27 is matched with the front side wall of the cavity 13, and the left end face and the right end face of the large-size printed plate 27 are respectively matched with the left side wall and the right side wall of the cavity 13;
s2, controlling piston rods of the two lifting cylinders 18 to extend downwards simultaneously, wherein the piston rods drive the trusses 19 to move downwards, the trusses 19 drive the balancing weights 26 and the machine frame 20 to move downwards synchronously, the machine frame 20 drives the press rolls 21 to move downwards, the press rolls 21 move towards the large-size printed board 27, and after the piston rods of the lifting cylinders 18 extend completely, the press rolls 21 are propped against the top surface of the large-size printed board 27, as shown in FIG. 12;
s3, controlling a driving motor 7 to start, driving the driving motor 7 to drive a cam 8 to rotate, driving a pin shaft I9 to synchronously rotate by the cam 8, driving a connecting rod 10 to move by the pin shaft I9, driving a pin shaft II11 to do left-right reciprocating linear motion by the connecting rod 10, driving a movable table 6 to do left-right reciprocating linear motion along a guide rail 5 by the pin shaft II11, driving a base 12 to do left-right reciprocating linear motion by the movable table 6, and driving a large-size printed board 27 in the base 12 to do left-right reciprocating linear motion in the motion direction as shown by an arrow in FIG. 12, wherein when the large-size printed board 27 passes through a press roll 21 in a reciprocating manner, the press roll 21 presses the top surface of the large-size printed board 27, the press roll 21 can level the top surface of the large-size printed board 27 in a cambered uneven place, and after a period of time, the top surface of the large-size printed board 27 can be leveled, so that the leveling of the first large-size printed board 27 is finally realized;
in steps S1 to S3, the large-size printed board 27 is quickly mounted by the carrier 3, then is pressed against the top surface of the large-size printed board 27 by the press roller 21, then the movable table 6 and the base 12 are driven by the driving motor 7 to do left-right reciprocating linear motion, the base 12 drives the large-size printed board 27 to do left-right reciprocating linear motion, and when the large-size printed board 27 passes through the press roller 21 in a reciprocating manner, the press roller 21 levels all areas with uneven arches on the top surface of the large-size printed board 27 along the horizontal width direction of the large-size printed board 27, so that the large-size printed board 27 is quickly leveled; therefore, compared with the leveling method shown in fig. 13-14, the leveling device can level each area of the large-size printed board 27 without multiple times of adjustment of the position of the large-size printed board 27 on the workbench 28 by a worker, so that the leveling time of the large-size printed board 27 is greatly shortened, and the leveling efficiency of the large-size printed board 27 is greatly improved.
In addition, the position of the pressing roller 21 is always unchanged, and meanwhile, the installation position of the large-size printed board 27 is also always unchanged, so that the flatness of the large-size printed board 27 is greatly improved, and compared with the leveling method shown in fig. 13-14, the leveling device avoids leaving a plurality of step imprints on the top surface of the large-size printed board 27, and the leveling quality is greatly improved.
S4, taking out the leveled large-size printed board 27, wherein a worker A controls piston rods of the two lifting cylinders 18 to retract upwards simultaneously, the piston rods drive the truss 19 to move upwards, the truss 19 drives the balancing weights 26 and the compression rollers 21 to move upwards synchronously, and after reset, the worker A controls the driving motor 7 to be closed; then, the worker A pulls the guide post 14 backwards, the guide post 14 drives the positioning plate 15 to move backwards, and when the positioning plate 15 is separated from the large-size printed board 27, the worker B takes the leveled large-size printed board 27 out of the cavity 13;
s5, repeating the operations of the steps S1-S4, so that the plurality of large-size printed boards 27 can be continuously leveled. Therefore, the leveling device can realize continuous leveling of a plurality of large-size printed boards 27, and compared with the leveling of operating the press 29 in a workshop, the leveling efficiency of the large-size printed boards is greatly improved.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. High-efficient levelling device of jumbo size printed board, its characterized in that: the automatic feeding device comprises a bottom plate (1), a reciprocating feeding device (2) arranged on the bottom plate (1) and a carrier (3) arranged on the reciprocating feeding device (2), wherein the reciprocating feeding device (2) comprises a platform (4) fixedly arranged on the bottom plate (1) and a guide rail (5) fixedly arranged on the platform (4) and horizontally arranged, a movable table (6) is slidably arranged on the guide rail (5), a driving motor (7) vertically arranged is fixedly arranged on the platform (4), a cam (8) is arranged on an output shaft of the driving motor (7), a pin shaft I (9) is fixedly arranged on the right end part of the top surface of the cam (8), a connecting rod (10) is rotatably arranged on the pin shaft I (9), and the other end of the connecting rod (10) is hinged on the movable table (6) through a pin shaft II (11);
the carrier (3) comprises a base (12) fixedly arranged on the top surface of the movable table (6), a cavity (13) is formed in the top surface of the base (12), the depth of the cavity (13) is smaller than the thickness of the large-size printed board, the horizontal width of the cavity (13) is equal to that of the large-size printed board, the longitudinal width of the cavity (13) is equal to that of the large-size printed board, a plurality of guide posts (14) longitudinally arranged are slidably arranged in the rear side wall of the base (12), one ends of the guide posts (14) extend into the cavity (13), a positioning plate (15) positioned in the cavity (13) is fixedly arranged between the extending ends, a spring (16) is sleeved on each guide post (14), one end of the spring (16) is fixedly arranged on the rear side wall of the base (12), and the other end of the spring (16) is fixedly arranged on the positioning plate (15);
the utility model discloses a platform, including base plate (1), bottom plate (1) and frame in portal frame (17) of platform (4) top, two lift cylinder (18) have been set firmly on the top surface of portal frame (17) crossbeam, the piston rod of two lift cylinder (18) all runs through the crossbeam setting, truss (19) have been set firmly between the action end of two piston rods, welding has frame (20) of a plurality of vertical settings on the bottom surface of truss (19), equal rotation installs compression roller (21) in every frame (20), compression roller (21) set up directly over base (12).
2. The efficient leveling device for a large-size printed board according to claim 1, wherein: a plurality of cushion blocks (22) are fixedly connected between the platform (4) and the bottom plate (1).
3. The efficient leveling device for a large-size printed board according to claim 2, wherein: the right end face of the platform (4) is fixedly provided with a first mounting seat (23), and the driving motor (7) is fixedly arranged on the top surface of the first mounting seat (23).
4. A high efficiency leveling apparatus for a large-sized printed board as claimed in claim 3, wherein: the right end face of the movable table (6) is fixedly provided with a second mounting seat (24), and the pin shaft II (11) is fixedly arranged on the top surface of the second mounting seat (24).
5. The efficient leveling device for a large-size printed board of claim 4, wherein: two guide rails (5) which are arranged in parallel are fixedly arranged on the top surface of the platform (4), a plurality of sliding blocks (25) are fixedly arranged on the bottom surface of the movable table (6), and the sliding blocks (25) are slidably mounted on the guide rails (5).
6. The efficient leveling device for a large-size printed board of claim 5, wherein: the top surface of the truss (19) is fixedly provided with a balancing weight (26) which is positioned right above the press roller (21).
7. The efficient leveling device for a large-size printed board of claim 6, wherein: the bottom surfaces of the pressing rollers (21) are flush.
8. The efficient leveling device for a large-size printed board of claim 7, wherein: the leveling device also comprises a controller, wherein the controller is electrically connected with the driving motor (7) and the electromagnetic valve of the lifting oil cylinder (18) through signal wires.
9. An efficient leveling method for a large-size printed board, which adopts the efficient leveling device for the large-size printed board in claim 8, is characterized in that: it comprises the following steps:
s1, mounting a large-size printed board (27): the worker A pulls the guide post (14) backwards, the guide post (14) drives the positioning plate (15) to move backwards, the positioning plate (15) compresses the spring (16), after the spring (16) is compressed to the limit position, the large-size printed board (27) to be leveled is put into the cavity (13) from top to bottom, the large-size printed board (27) is supported at the bottom of the cavity (13), then the worker A releases the guide post (14), and under the restoring force of the spring (16), the positioning plate (15) presses the large-size printed board (27) against the cavity (13), so that the installation of the large-size printed board (27) is realized, and at the moment, the front end face of the large-size printed board (27) is matched with the front side wall of the cavity (13), and the left end face and the right end face of the large-size printed board (27) are respectively matched with the left side wall and the right side wall of the cavity (13);
s2, controlling piston rods of the two lifting cylinders (18) to extend downwards simultaneously, enabling the piston rods to drive the trusses (19) to move downwards, enabling the trusses (19) to drive the balancing weights (26) and the machine frame (20) to move downwards synchronously, enabling the machine frame (20) to drive the pressing rollers (21) to move downwards, enabling the pressing rollers (21) to move towards the direction of the large-size printed board (27), and enabling the pressing rollers (21) to press against the top surface of the large-size printed board (27) after the piston rods of the lifting cylinders (18) extend completely;
s3, controlling a driving motor (7) to start, driving the motor (7) to drive a cam (8) to rotate, driving a pin shaft I (9) to synchronously rotate by the cam (8), driving a connecting rod (10) to move by the pin shaft I (9), driving a pin shaft II (11) to do left and right reciprocating rectilinear motion by the connecting rod (10), driving a movable table (6) to do left and right reciprocating rectilinear motion along a guide rail (5) by the pin shaft II (11), driving a base (12) to do left and right reciprocating rectilinear motion by the movable table (6), driving a large-size printed board (27) in the base (12) to do left and right reciprocating rectilinear motion, and when the large-size printed board (27) passes through a press roller (21) in a reciprocating manner, flattening the part of the top surface of the large-size printed board (27) due to the fact that the press roller (21) is propped against the top surface of the large-size printed board (27), flattening the top surface of the large-size printed board (27) after a period of time, flattening the top surface of the large-size printed board (27) can be flattened, so that the first large-size printed board (27) can be flattened;
s4, taking out the leveled large-size printed board (27), controlling piston rods of the two lifting cylinders (18) to retract upwards simultaneously by a worker A, driving the truss (19) to move upwards by the piston rods, driving the balancing weight (26) and the pressing roller (21) to move upwards synchronously by the truss (19), and controlling the driving motor (7) to be closed by the worker A after reset; then, a worker A pulls the guide post (14) backwards, the guide post (14) drives the positioning plate (15) to move backwards, and when the positioning plate (15) is separated from the large-size printed board (27), the worker B takes the leveled large-size printed board (27) out of the cavity (13);
s5, repeating the operations of the steps S1-S4, and continuously leveling the large-size printed boards (27).
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| CN202310233474.XA CN115955780B (en) | 2023-03-13 | 2023-03-13 | Efficient leveling device and method for large-size printed board |
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| CN202310233474.XA CN115955780B (en) | 2023-03-13 | 2023-03-13 | Efficient leveling device and method for large-size printed board |
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| CN115955780B true CN115955780B (en) | 2023-05-09 |
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