CN114466521A

CN114466521A - Solar circuit board conductive silver paste printing equipment

Info

Publication number: CN114466521A
Application number: CN202210057290.8A
Authority: CN
Inventors: 刘友琦
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-05-10

Abstract

The invention relates to a conductive silver paste printing device, in particular to a solar circuit board conductive silver paste printing device. The utility model provides a can adjust the printing figure as required, the solar energy circuit board conductive silver thick liquid lithography apparatus who more makes things convenient for people to use. A solar circuit board conductive silver paste printing device comprises a support, a guide plate, a guide block, a sliding frame, a frame body and the like; both sides all are equipped with the deflector around support upper portion, and the middle part position in the deflector outside all is equipped with the guide block, and the equal slidingtype in left and right sides is equipped with the carriage between two guide blocks around, is equipped with the framework between two carriage tops. The output shaft of double-shaft motor rotates and makes framework downstream and the laminating of solar circuit board, and the scraper blade horizontal slip scrapes conductive silver thick liquid to the printing plate on, permeates the graphic printing on the printing plate to the solar circuit board again on, simultaneously, because the printing plate is replaceable, makes things convenient for people to print different figures.

Description

Solar circuit board conductive silver paste printing equipment

Technical Field

The invention relates to a conductive silver paste printing device, in particular to a solar circuit board conductive silver paste printing device.

Background

The solar circuit board is a core part of a solar power generation system, and the surface of the solar circuit board is required to be printed with conductive silver paste in the production and processing process.

Patent publication No. CN207266392U discloses a high-efficiency printing device for producing solar circuit boards, the printing device comprises a frame, a first printing table, a second printing table, a first printing box and a second printing box, a base disc is arranged at the bottom of the machine frame, a sliding plate is arranged at the bottom of the first printing table, a printing plate is fixed above the main hydraulic telescopic column, a third printing table is arranged on the right side of the second printing table, the first printing box and the second printing box are both positioned above the inner part of the frame, the first printing box is positioned at the left side of the second printing box, a hydraulic telescopic rod is arranged above the inside of the second printing box, an upper sealing plate is fixed below the hydraulic telescopic rod, a conductive silver paste box is arranged below the upper sealing plate, and a lower sealing plate is arranged below the conductive silver paste box, and a printing head is arranged below the lower sealing plate. This printing device rolls through the printing cylinder and realizes the purpose of printing solar circuit board with electrically conductive silver thick liquid brush to solar circuit board on, but this printing device can not adjust the printing figure, and application scope is lower.

Therefore, the solar circuit board conductive silver paste printing equipment which can adjust the printing pattern according to the requirement and is more convenient for people to use is provided.

Disclosure of Invention

In order to overcome the defects that the prior printing device can not adjust the printing pattern and has lower application range, the invention has the technical problems that: the utility model provides a can adjust the printing figure as required, the solar energy circuit board conductive silver thick liquid lithography apparatus that more makes things convenient for people to use.

The technical implementation scheme of the invention is as follows: the utility model provides a solar energy circuit board conductive silver thick liquid lithography apparatus, which comprises a bracket, the deflector, the guide block, the carriage, the framework, the printing plate, strickle off subassembly and pulling subassembly, both sides all are equipped with the deflector around support upper portion, the middle part position in the deflector outside all is equipped with the guide block, the equal slidingtype in left and right sides is equipped with the carriage between two guide blocks around, be equipped with the framework between two carriage tops, be equipped with the printing plate that can dismantle in the framework, be equipped with the subassembly of strickleing off that is used for strickleing off conductive silver thick liquid between carriage and the framework, be equipped with the pulling subassembly between support and the carriage, the pulling subassembly is used for the automatic pulling carriage lapse.

As a further preferred scheme, the strickle subassembly includes guide bar, scraper blade and connecting block, and both sides all are equipped with the guide bar around the framework upper portion, and the slidingtype is equipped with the scraper blade between two front and back guide bars, and scraper blade bottom contact with the printing plate this moment, and both sides are connected with the connecting block around between two carriage lower parts about, around.

As further preferred scheme, the pulling subassembly is including the mounting bracket, the double-shaft motor, the apparatus further comprises a rotating disk, the circle axle, pulling plate and big spring, support lower part left side is equipped with the mounting bracket, the mounting bracket top is equipped with the double-shaft motor, both sides all are connected with the pivot around the double-shaft motor, the pivot outer end all is equipped with the rolling disk, rolling disk outside upper portion all is equipped with the circle axle, it is equipped with the pulling plate to control the equal slidingtype in both sides around between two carriage upper portions, pulling plate left part all with the circle axle sliding type connection of homonymy, all the wire-wrapping has big spring between pulling plate and the carriage.

As further preferred scheme, still including being used for making the removal subassembly of scraper blade horizontal slip voluntarily, remove the subassembly including T shape pole, the swinging plate, horizontal pole and link plate, control between two carriage upper portions around both sides all be equipped with T shape pole, T shape pole is located the pulling plate top, the equal rotary type in T shape pole outer end is equipped with the swinging plate, both sides all are equipped with the horizontal pole around scraper blade upper portion, the horizontal pole all is connected with the swinging plate slidingtype of homonymy, pulling plate right side upper portion all is equipped with the link plate, the link plate reciprocates all and contacts with the swinging plate of homonymy.

As further preferred scheme, still including being used for carrying out the subassembly that shelters from to the electrically conductive silver thick liquid in the scraper blade, shelter from the subassembly including fixed plate, first bull stick, apron and torsion spring, the scraper blade right side is equipped with the fixed plate, and fixed plate upper portion rotary type is equipped with first bull stick, is equipped with the apron on the first bull stick, and the apron contacts with the scraper blade roof this moment, all around connecing between both sides and the fixed plate around first bull stick has torsion spring.

As further preferred scheme, still including being used for carrying the pay-off subassembly that solar energy circuit board moved left, the pay-off subassembly is including the second bull stick, the conveyer belt, the riser, the third bull stick, the gear, belt pulley and flat belt, the equal rotary type in left and right sides is equipped with the second bull stick between two front and back deflectors, there is the conveyer belt through the delivery wheel swivelling joint between controlling two second bull sticks, the deflector left side all is equipped with the riser, the rotary type is equipped with the third bull stick between two front and back riser lower parts, both ends all are equipped with the gear around the third bull stick, the rolling disc rotates the gear engagement all with the homonymy, both sides all are equipped with the belt pulley around the third bull stick, the belt pulley is located the gear inboard, both sides all are equipped with the same belt pulley around the left second bull stick, it has flat belt all to have the swivelling joint between two belt pulleys about the homonymy.

As further preferred scheme, still including being used for the automatic promotion subassembly that opens the apron, promote the subassembly including fixed block, contact piece, branch strip and contact ring, framework right side lower part is equipped with the fixed block, and the framework right side slidingtype is equipped with contact piece, and contact piece right side rotary type is equipped with the branch strip, and the branch strip supports contact piece with the fixed block contact after the rotation downwards, and first bull stick middle part is equipped with contact ring, and contact ring moves to the right and contacts the piece contact.

As a further preferable scheme, the conveying belt is provided with 9 bulges at uniform intervals, and the distance between every two adjacent bulges is equal to the size of the solar circuit board.

Compared with the prior art, the invention has the following advantages: 1. the output shaft of double-shaft motor rotates and makes framework downstream and the laminating of solar circuit board, and the scraper blade horizontal slip scrapes conductive silver thick liquid to the printing plate on, permeates the graphic printing on the printing plate to the solar circuit board again on, simultaneously, because the printing plate is replaceable, makes things convenient for people to print different figures.

2. The pulling plate continues to move downwards to enable the upper portion of the hanging plate to swing leftwards, and then the scraper is driven to slide leftwards to perform printing work, so that the scraper can perform printing work automatically, and manual pushing is not needed.

3. The apron can shelter from the electrically conductive silver thick liquid in the scraper blade, avoids impurity to get into electrically conductive silver thick liquid in, and the apron upwards rotates and opens the back, makes things convenient for the staff to add electrically conductive silver thick liquid.

4. When the rotating disc rotates to be meshed with the gear, the conveying belt rotates along with the gear to convey the next solar circuit board to the lower part of the frame body.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

FIG. 2 is a schematic view of a first partial body structure according to the present invention.

FIG. 3 is a schematic view of a second partial body structure according to the present invention.

Fig. 4 is a perspective view of the screed part according to the present invention.

FIG. 5 is a perspective view of the pulling assembly of the present invention.

Fig. 6 is a schematic perspective view of the moving assembly of the present invention.

FIG. 7 is a schematic perspective view of a shielding assembly according to the present invention.

Fig. 8 is a schematic perspective view of the feeding assembly of the present invention.

Fig. 9 is a perspective view of the pushing assembly of the present invention.

Number designation in the figures: 1: a bracket, 2: guide plate, 3: guide block, 4: sliding frame, 5: frame body, 6: printing plate, 7: strike-off assembly, 71: guide bar, 72: scraper, 73: connecting block, 8: pulling assembly, 81: mounting frame, 82: two-shaft motor, 83: rotating shaft, 84: rotating disk, 85: circular shaft, 86: pulling plate, 87: large spring, 9: moving assembly, 91: t-bar, 92: swing plate, 93: cross bar, 94: link plate, 10: a shielding assembly, 101: fixing plate, 102: first rotating rod, 103: cover plate, 104: torsion spring, 11: feed assembly, 111: second rotating shaft, 112: conveyor belt, 113: riser, 114: third rotating lever, 115: gear, 116: pulley, 117: flat belt, 12: pushing assembly, 121: fixed block, 122: contact block, 123: branch, 124: a contact ring.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings.

Example 1

The utility model provides a solar energy circuit board conductive silver thick liquid lithography apparatus, as shown in fig. 1-5, including support 1, deflector 2, guide block 3, carriage 4, framework 5, printing plate 6, strickle subassembly 7 and pulling subassembly 8, both sides all have deflector 2 through the bolt rigid coupling around support 1 upper portion, the middle part position in the 2 outsides of deflector all has guide block 3 through the bolt rigid coupling, the equal slidingtype in left and right sides is equipped with carriage 4 between two front and back guide blocks 3, carriage 4 is the U type, be equipped with framework 5 between two carriage 4 tops, be equipped with the printing plate 6 that can dismantle in the framework 5, be equipped with between carriage 4 and the framework 5 and strickle subassembly 7, strickle subassembly 7 and can strickle conductive silver thick liquid, be equipped with pulling subassembly 8 between support 1 and the carriage 4, pulling subassembly 8 can automatic carriage pulling 4 lapse.

When the device is used, a worker places a plurality of solar circuit boards between the front guide plate 2 and the rear guide plate 2 side by side and guides the solar circuit boards through the front guide plate 2 and the rear guide plate 2, then places the printed boards 6 with proper patterns into the frame body 5, after the printed boards are placed, the worker pours conductive silver paste into the strickling component 7, at the moment, the worker pushes the solar circuit boards to move leftwards, when the solar circuit boards move leftwards to the frame body 5, the worker pulls the sliding frame 4 to slide downwards through the pulling component 8, the sliding frame 4 slides downwards to drive the frame body 5 to move downwards to be attached to the solar circuit boards, at the moment, the worker scrapes the conductive silver paste onto the printed boards 6 through the strickling component 7 and then prints onto the solar circuit boards through the patterns on the printed boards 6, and after the printing is completed, the worker drives the sliding frame 4 to slide upwards to reset through the pulling component 8, and then make framework 5 rebound, then the staff pushes the next solar energy circuit board and moves left again, repeats above-mentioned action and prints the next solar energy circuit board, and the solar energy circuit board that the printing was accomplished is pushed to this equipment left side, and the staff takes off it and collects.

As shown in fig. 1, 3 and 4, the strickle assembly 7 includes a guide bar 71, a scraper 72 and a connecting block 73, the guide bar 71 is connected to the front and rear sides of the upper portion of the frame 5 through bolts, the scraper 72 is slidably disposed between the front and rear guide bars 71, the bottom of the scraper 72 contacts the printing plate 6 at this time, and the connecting block 73 is connected to the front and rear sides between the lower portions of the left and right sliding frames 4.

When using this equipment, the staff pours conductive silver thick liquid into scraper 72 in, after framework 5 downshifts and the laminating of solar panel, the staff promotes scraper 72 and slides left, scraper 72 slides left when scraping conductive silver thick liquid and scrapes printing plate 6 on, see through the graphic printing on the printing plate 6 again to the solar energy circuit board, after the printing is accomplished, the staff promotes scraper 72 and slides right and resets, scraper 72 also can scrape conductive silver thick liquid again when sliding right and print plate 6, make the more clear of solar panel printing.

See fig. 1 and 5, pulling subassembly 8 is including mounting bracket 81, double-shaft motor 82, pivot 83, rolling disc 84, circle axle 85, pulling board 86 and big spring 87, there is mounting bracket 81 on the left of support 1 lower part through the bolt rigid coupling, there is double-shaft motor 82 at the mounting bracket 81 top through the bolt rigid coupling, there is pivot 83 both sides all through the coupling joint around double-shaft motor 82, the equal key-type connection in pivot 83 outer end has rolling disc 84, circle axle 85 has all been welded on rolling disc 84 outside upper portion, it is equipped with pulling board 86 all to control both sides all slidingtype around between two carriage 4 upper portions, pulling board 86 left part all with the circle axle 85 sliding connection of homonymy, all around having connect big spring 87 between pulling board 86 and the carriage 4.

When the device is used, when the solar circuit board moves to the left below the frame body 5, a worker starts the output shaft of the double-shaft motor 82 to rotate to drive the rotating shaft 83 to rotate, the rotating shaft 83 rotates to drive the round shaft 85 to rotate through the rotating disc 84, the round shaft 85 rotates to drive the pulling plate 86 to move up and down, the pulling plate 86 drives the sliding frame 4 to slide down when moving down, the frame body 5 moves down to be attached to the solar panel, after the frame body 5 is attached to the solar panel, the worker finishes printing work through the scraping component 7, the pulling plate 86 continues to move down while printing, the pulling plate 86 continues to move down, the pulling plate 86 slides down on the sliding frame 4, the large spring 87 deforms, when the pulling plate 86 moves up, the large spring 87 resets, after the large spring 87 resets, the pulling plate 86 continues to move up to drive the sliding frame 4 to slide up, the sliding frame 4 slides up to drive the frame body 5 to move up to reset, when the frame body 5 moves upwards, the staff pushes the next solar circuit board to move leftwards to the lower part of the frame body 5, and when the pulling plate 86 moves downwards again, the actions are repeated, so that the frame body 5 continuously moves upwards and downwards to print the circuit board.

Example 2

On the basis of embodiment 1, as shown in fig. 1 and fig. 6, the automatic scraper blade sliding device further comprises a moving assembly 9, the moving assembly 9 can automatically enable the scraper blade 72 to slide left and right, the moving assembly 9 comprises a T-shaped rod 91, a swinging plate 92, a cross rod 93 and a hanging plate 94, the T-shaped rod 91 is welded on the front side and the rear side between the upper portions of the left sliding frame and the right sliding frame 4, the T-shaped rod 91 is located above the pulling plate 86, the swinging plate 92 is rotatably arranged at the outer end of the T-shaped rod 91, the cross rod 93 is welded on the front side and the rear side of the upper portion of the scraper blade 72, the cross rod 93 is slidably connected with the swinging plate 92 on the same side, the hanging plate 94 is welded on the upper portion of the right side of the pulling plate 86, and the hanging plate 94 is in contact with the swinging plate 92 on the same side when moving up and down.

When the device is used, the sliding frame 4 slides downwards to drive the whole moving assembly 9 to move downwards, when the frame body 5 moves downwards to be attached to the solar circuit board, the pulling plate 86 continues to move downwards to drive the hanging plate 94 to move downwards, the hanging plate 94 moves downwards to pull the lower portion of the swinging plate 92 to swing downwards, the upper portion of the swinging plate 92 swings leftwards and drives the scraping plate 72 to slide leftwards through the cross rod 93 for printing, when the pulling plate 86 moves upwards, the hanging plate 94 moves upwards along with the pulling plate, the hanging plate 94 pushes the lower portion of the swinging plate 92 to swing upwards, the upper portion of the swinging plate 92 swings rightwards and resets, and then the scraping plate 72 is driven by the cross rod 93 to slide rightwards and reset, and therefore printing can be automatically performed after the frame body 5 is attached to the solar circuit board.

See fig. 1 and fig. 7, still including sheltering from subassembly 10, it can shelter from the electrically conductive silver thick liquid in the scraper blade 72 to shelter from subassembly 10, it is including fixed plate 101 to shelter from subassembly 10, first bull stick 102, apron 103 and torsion spring 104, the scraper blade 72 right side has fixed plate 101 through the bolt rigid coupling, fixed plate 101 upper portion rotary type is equipped with first bull stick 102, be connected with apron 103 on the first bull stick 102, apron 103 contacts with scraper blade 72 roof this moment, all the wraparound has torsion spring 104 between both sides and the fixed plate 101 around first bull stick 102.

When using this equipment, apron 103 can cover the electrically conductive silver thick liquid in the scraper blade 72, avoid in the impurity gets into the electrically conductive silver thick liquid, when needs add electrically conductive silver thick liquid, the staff promotes apron 103 upwards to rotate and opens, apron 103 upwards rotates and drives first bull stick 102 and rotate, torsion spring 104 takes place deformation, the back is opened to apron 103, the staff alright add electrically conductive silver thick liquid, add the material and accomplish the back, the staff loosens apron 103, under the effect that torsion spring 104 resets, first bull stick 102 drives apron 103 and rotates downwards thereupon and resets.

As shown in fig. 1 and 8, the solar circuit board feeding device further comprises a feeding component 11, the feeding component 11 can convey a solar circuit board to move leftwards, the feeding component 11 comprises a second rotating rod 111, a conveying belt 112, vertical plates 113, third rotating rods 114, gears 115, belt pulleys 116 and a flat belt 117, the second rotating rods 111 are rotatably arranged on the left side and the right side between the front guide plate 2 and the rear guide plate 2, the conveying belt 112 is wound between the left second rotating rod and the right second rotating rod 111 through the conveying wheel, 9 protrusions are uniformly arranged on the conveying belt 112 at intervals, the distance between every two adjacent protrusions is equal to the size of the solar circuit board, the vertical plates 113 are fixedly connected to the left side of the guide plates 2 through bolts, the third rotating rods 114 are rotatably arranged between the lower portions of the front vertical plates 113 and the rear guide plate, the front ends and the rear ends of the third rotating rods 114 are respectively connected with the gears 115, the rotating discs 84 are respectively engaged with the gears 115 on the same side, the front sides and the rear sides of the third rotating rods 114 are respectively connected with the belt pulleys 116, the belt pulley 116 is located inside the gear 115, the front and rear sides of the left second rotating rod 111 are all keyed with the same belt pulley 116, and a flat belt 117 is wound between the left and right belt pulleys 116 on the same side.

When the device is used, a worker places the solar circuit board between the front guide plate and the rear guide plate 2 and separates the solar circuit board by the bulge on the conveying belt 112, when the rotating disc 84 rotates to be meshed with the gear 115, the solar circuit board below the frame 5 just completes printing, the frame 5 moves upwards at the moment, the rotating disc 84 rotates to drive the gear 115 to rotate, the gear 115 rotates to drive the third rotating rod 114 to rotate, the third rotating rod 114 rotates to drive the second rotating rod 111 on the left side to rotate through the belt pulley 116 and the flat belt 117, the first rotating rod 102 on the left side drives the conveying belt 112 to rotate, the conveying belt 112 rotates to push the solar circuit board to move to the left through the bulge on the surface, when the rotating disc 84 rotates to be separated from the gear 115, the conveying belt 112 is placed to transmit the next solar circuit board to the lower part of the frame 5, and thus, the solar circuit board can be automatically conveyed.

As shown in fig. 3 and 9, the cover plate assembly further comprises a pushing assembly 12, the pushing assembly 12 can automatically open the cover plate 103, the pushing assembly 12 comprises a fixing block 121, a contact block 122, a support bar 123 and a contact ring 124, the fixing block 121 is welded to the lower portion of the right side of the frame body 5, the contact block 122 is slidably arranged on the right side of the frame body 5, the support bar 123 is rotatably arranged on the right side of the contact block 122, the support bar 123 rotates downwards and then contacts with the fixing block 121 to support the contact block 122, the contact ring 124 is welded to the middle of the first rotating rod 102, and the contact ring 124 moves rightwards and contacts with the contact block 122.

When the device is used, when a worker needs to open the cover plate 103, the worker pushes the contact block 122 to slide upwards, the contact block 122 pushes the branch 123 to rotate downwards by 90 degrees after sliding upwards, the branch 123 rotates downwards to contact with the fixed block 121 to support the contact block 122, when printing is performed, the contact ring 124 moves leftwards as the scraper 72 slides leftwards, when the scraper 72 slides rightwards to reset, the contact ring 124 moves rightwards, when the contact ring 124 moves rightwards to contact with the contact block 122, the contact ring 124 continues to move rightwards to be pressed by the contact block 122 to rotate upwards, the contact block 122 rotates upwards to drive the first rotating rod 102 to rotate, so that the cover plate 103 rotates upwards to open, when the cover plate 103 needs to be closed, the worker pushes the branch 123 to rotate upwards by 90 degrees to reset, then when the contact block 122 slides downwards to reset to separate from the contact ring 124, at this time, the first rotating rod 102 drives the cover plate 103 to rotate downwards to reset, so that the cover plate 103 can be automatically opened as required.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A solar circuit board conductive silver paste printing device comprises a support (1), guide plates (2), guide blocks (3), sliding frames (4), a frame body (5) and a printing plate (6), wherein the guide plates (2) are arranged on the front side and the rear side of the upper portion of the support (1), the guide blocks (3) are arranged in the middle of the outer side of each guide plate (2), the sliding frames (4) are arranged on the left side and the right side between the front guide block and the rear guide block (3) in a sliding mode, the frame body (5) is arranged between the tops of the two sliding frames (4), the printing plate (6) capable of being detached is arranged in the frame body (5), the solar circuit board conductive silver paste printing device is characterized by further comprising a scraping component (7) and a pulling component (8), the scraping component (7) for scraping conductive silver paste is arranged between the sliding frames (4) and the frame body (5), the pulling component (8) is arranged between the support (1) and the sliding frames (4), the pulling assembly (8) is used for automatically pulling the sliding frame (4) to slide downwards.

2. The printing equipment for the conductive silver paste on the solar circuit board is characterized in that the scraping component (7) comprises guide rods (71), scraping plates (72) and connecting blocks (73), the guide rods (71) are arranged on the front side and the rear side of the upper part of the frame body (5), the scraping plates (72) are arranged between the front guide rod and the rear guide rod (71) in a sliding mode, the bottoms of the scraping plates (72) are in contact with the printing plate (6) at the moment, and the connecting blocks (73) are connected on the front side and the rear side between the lower parts of the left sliding frame (4) and the right sliding frame (4).

3. The solar circuit board conductive silver paste printing equipment according to claim 2, wherein the pulling assembly (8) comprises a mounting frame (81), a double-shaft motor (82) and a rotating shaft (83), rolling disc (84), circle axle (85), pulling plate (86) and big spring (87), support (1) lower part left side is equipped with mounting bracket (81), mounting bracket (81) top is equipped with biax motor (82), biax motor (82) both sides all are connected with pivot (83) around, pivot (83) outer end all is equipped with rolling disc (84), rolling disc (84) outside upper portion all is equipped with circle axle (85), it is equipped with pulling plate (86) all to have the slidingtype in both sides around between two carriage (4) upper portions about, pulling plate (86) left part all with the circle axle (85) sliding type connection of homonymy, all around having connect big spring (87) between pulling plate (86) and carriage (4).

4. The printing equipment for the conductive silver paste on the solar circuit board is characterized by further comprising a moving assembly (9) used for automatically enabling the scraping plate (72) to slide left and right, wherein the moving assembly (9) comprises a T-shaped rod (91), a swinging plate (92), a cross rod (93) and a hanging plate (94), the T-shaped rod (91) is arranged on the front side and the rear side between the upper portions of the left sliding frame (4) and the upper portion of the right sliding frame (4), the T-shaped rod (91) is located above the pulling plate (86), the outer end of the T-shaped rod (91) is rotatably provided with the swinging plate (92), the cross rod (93) is arranged on the front side and the rear side of the upper portion of the scraping plate (72), the cross rod (93) is connected with the swinging plate (92) on the same side in a sliding mode, the hanging plate (94) is arranged on the upper portion on the right side of the pulling plate (86), and the hanging plate (94) moves up and down and contacts with the swinging plate (92) on the same side.

5. The printing equipment for the conductive silver paste on the solar circuit board is characterized by further comprising a shielding assembly (10) used for shielding the conductive silver paste in the scraping plate (72), wherein the shielding assembly (10) comprises a fixing plate (101), a first rotating rod (102), a cover plate (103) and a torsion spring (104), the fixing plate (101) is arranged on the right side of the scraping plate (72), the first rotating rod (102) is rotatably arranged on the upper portion of the fixing plate (101), the cover plate (103) is arranged on the first rotating rod (102), the cover plate (103) is in contact with a top plate of the scraping plate (72), and the torsion spring (104) is wound between the front side and the rear side of the first rotating rod (102) and the fixing plate (101).

6. The printing equipment of the conductive silver paste on the solar circuit board is characterized by further comprising a feeding component (11) used for conveying the solar circuit board to move leftwards, wherein the feeding component (11) comprises a second rotating rod (111), a conveying belt (112), vertical plates (113), third rotating rods (114), gears (115), belt pulleys (116) and a flat belt (117), the second rotating rods (111) are rotatably arranged on the left side and the right side between the front guide plate and the rear guide plate (2), the conveying belt (112) is wound between the left second rotating rod and the right second rotating rod (111) through the conveying wheel, the vertical plates (113) are respectively arranged on the left side of the guide plate (2), the third rotating rods (114) are rotatably arranged between the lower parts of the front vertical plates (113) and the rear vertical plates, the gears (115) are respectively arranged at the front end and the rear end of the third rotating rod (114), and the rotating discs (84) are respectively meshed with the gears (115) on the same side, the front side and the rear side of the third rotating rod (114) are respectively provided with a belt pulley (116), the belt pulleys (116) are positioned on the inner side of the gear (115), the front side and the rear side of the left second rotating rod (111) are respectively provided with the same belt pulley (116), and a flat belt (117) is wound between the left belt pulley (116) and the right belt pulley (116) on the same side.

7. The solar circuit board conductive silver paste printing equipment according to claim 6, further comprising a pushing assembly (12) for automatically opening the cover plate (103), wherein the pushing assembly (12) comprises a fixing block (121), a contact block (122), a support bar (123) and a contact ring (124), the fixing block (121) is arranged at the lower part of the right side of the frame body (5), the contact block (122) is arranged at the right side of the frame body (5) in a sliding manner, the support bar (123) is rotatably arranged at the right side of the contact block (122), the support bar (123) is in contact with the fixing block (121) to support the contact block (122) after rotating downwards, the contact ring (124) is arranged in the middle of the first rotating rod (102), and the contact ring (124) moves rightwards to be in contact with the contact block (122).

8. The equipment for printing the conductive silver paste on the solar circuit board according to claim 6, wherein the conveyer belt (112) is provided with 9 bumps at uniform intervals, and the distance between two adjacent bumps is equal to the size of the solar circuit board.