CN116215060B - PCB circuit board screen printing machine - Google Patents
PCB circuit board screen printing machine Download PDFInfo
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- CN116215060B CN116215060B CN202310378578.XA CN202310378578A CN116215060B CN 116215060 B CN116215060 B CN 116215060B CN 202310378578 A CN202310378578 A CN 202310378578A CN 116215060 B CN116215060 B CN 116215060B
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/08—Machines
- B41F15/0881—Machines for printing on polyhedral articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/40—Inking units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/40—Inking units
- B41F15/42—Inking units comprising squeegees or doctors
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/12—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns
- H05K3/1216—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns by screen printing or stencil printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2215/00—Screen printing machines
- B41P2215/50—Screen printing machines for particular purposes
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/01—Tools for processing; Objects used during processing
- H05K2203/0104—Tools for processing; Objects used during processing for patterning or coating
- H05K2203/0126—Dispenser, e.g. for solder paste, for supplying conductive paste for screen printing or for filling holes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Screen Printers (AREA)
Abstract
The application relates to the technical field of screen printing, and discloses a PCB circuit board screen printing machine, which comprises: the automatic scraping machine comprises a workbench, wherein a screen plate is arranged on the lower side of the workbench, a scraping plate and a feed back knife are arranged above the screen plate, a moving part is arranged inside the workbench and used for driving the scraping plate and the feed back knife to move up and down and left and right, the feed back knife consists of a main body and a plate body, a material smearing part is arranged on the side surface of the plate body facing the scraping plate, the distance from the lower side surface of the material smearing part to the ground is larger than the distance from the lower end of the feed back knife to the ground, and the rear side surface of the material smearing part is in contact with the side surface of the feed back knife facing the scraping plate. According to the application, through the arrangement of the material smearing piece, when the material returning knife scrapes the slurry, the stacking height of the slurry on the material returning knife is reduced, so that the slurry can move to two sides along the lower side surface of the material smearing piece, the slurry is further promoted to be uniformly distributed through the action, and the probability of reducing the amount of the slurry which is subsequently smeared on the circuit board body is reduced.
Description
Technical Field
The application relates to the technical field of screen printing, in particular to a PCB screen printing machine.
Background
The PCB circuit board is generally referred to as a circuit board, and in the production process of the circuit board, a screen printer is generally required to be used to smear the conductive paste on the board body of the circuit board, so as to form a complete electronic circuit in cooperation with components.
The screen printing machine comprises a workbench, a screen plate, a moving part, a scraper and a feed back knife, wherein the screen plate is arranged in a clamping mechanism of the workbench before working, then the scraper is enabled to move downwards and contact with a screen part of the screen plate, then conductive paste is poured on the moving side of the scraper, when the screen printing machine works, the workbench is enabled to move downwards, the screen of the screen plate is located at the position above a circuit board body, then the scraper is enabled to move, the scraper is enabled to generate downward pressure on the screen, the position where the screen is enabled to contact with the scraper is enabled to generate downward deformation, meanwhile, the scraper can generate downward pressure on paste on the screen, the paste can pass through a penetrating part on the screen and then fall onto the circuit board body, through the action, the paste smearing operation is achieved, after the scraper is enabled to move upwards to the limit position, the feed back knife is enabled to move downwards and contact with the screen, then the feed back knife is enabled to move in the opposite direction to the screen, the rest paste is enabled to flow to the initial position of the screen through the screen printing machine, and the circulation of the screen printing machine is completed.
However, in the above process, since part of the paste passes through the through part of the wire mesh and is then smeared on the board body of the circuit board, the paste amount at the corresponding position on the wire mesh is reduced, and then, after the paste on the wire mesh is scraped back to the initial position by the feed back knife, the paste amount corresponding to the position is less than that at the rest positions (because the screen printer is continuously operated and the paste is more viscous, the paste at the position with more paste is further caused to move towards the position with less paste), so that in the subsequent operation, the amount of paste at the position is reduced again smeared on the board body of the circuit board, thereby influencing the quality of the circuit board.
Disclosure of Invention
The application provides a PCB screen printer which has the advantage of reducing the probability of reducing the amount of sizing agent smeared on a circuit board body and is used for solving the problem of influencing the quality of the circuit board due to the reduction of sizing agent.
In order to achieve the above purpose, the application adopts the following technical scheme: a PCB circuit board screen printer comprising: the automatic scraping machine comprises a workbench, wherein a screen plate is arranged on the lower side of the workbench, a scraping plate and a feed back knife are arranged above the screen plate, a moving part is arranged inside the workbench and used for driving the scraping plate and the feed back knife to move up and down and left and right, the feed back knife consists of a main body and a plate body, a material smearing part is arranged on the side surface of the plate body facing the scraping plate, and the distance from the lower side surface of the material smearing part to the ground is larger than the distance from the lower end of the feed back knife to the ground.
Further, the mounting groove has been seted up to the inside of main part, the notch of mounting groove is facing the scraper blade, the rotation piece is installed to the inside equidistance of mounting groove, the main part is passed to the rear side of rotation piece, the rear side and the power unit of rotation piece are connected, the front side position of rotation piece is provided with the connecting rod No. one, the left side position of rotation piece is provided with the slider, the front side and the right side of slider are connected to the connecting rod No. one, the other end and the material piece of wiping of slider are connected, the rear side and the side contact that the feed back sword is facing the scraper blade of wiping of material piece.
Further, the position that the mounting groove upside corresponds No. one connecting rod is all equidistant to be provided with the contact tooth, logical groove has been seted up to the inside upside position of slider, logical groove is installed towards the side rotation of scraper blade, the teeth of a cogwheel spare is connected with the contact tooth meshing, the liquid chamber has been seted up to the downside position that is located logical groove inside the slider, the intracavity is provided with the push-and-pull board, the upside position of push-and-pull board is provided with No. two connecting rods for connect the front side of push-and-pull board and gear spare, the height of left side position push-and-pull board is greater than the height of right side position push-and-pull board, the inside of material piece is provided with drive mechanism, the side of material piece is provided with operating mechanism, drive mechanism is connected with operating mechanism for utilize the rotation action of gear piece to realize operating mechanism's operation.
Further, the gear member is an incomplete gear which meshes with the contact teeth and performs half-turn when the slider moves unidirectionally.
Further, the gear member is a rotating gear which is engaged with the contact teeth and performs circumferential rotation when the slider moves unidirectionally.
Further, the transmission mechanism comprises a translation cavity, a translation part, a third connecting rod and a liquid guide hole, a translation cavity is formed in the left-most and right-most position of the material smearing part, the translation part is arranged in the translation cavity, the third connecting rod is arranged between the translation part and the working mechanism and used for connecting the working mechanism and the translation part, a liquid guide hole is formed in the left-most and right-most position of the material smearing part and used for communicating a cavity located below the push-pull plate with a cavity located in the translation cavity and facing away from the working mechanism, and liquid medium is filled in the cavity communicated with the translation cavity through the liquid guide hole.
Further, the operating mechanism is an auxiliary piece, the left side face of the left-most position smearing piece and the right side face of the right-most position smearing piece are both provided with the auxiliary piece, the auxiliary piece is composed of a smearing plate and an inclined plate, one end of the third connecting rod is connected with the inclined plate, the other end of the third connecting rod is connected with the side face of the first translation piece facing the inclined plate at the corresponding position, the auxiliary piece at the left-most position is in an upward deflection state, and the lower end of the smearing plate of the right-most position auxiliary piece and the lower side face of the smearing piece are positioned on the same horizontal plane.
Further, the transmission mechanism comprises a second translation cavity, a second translation part, a fourth connecting rod and a second liquid guide hole, the second translation cavity is formed in the middle position material smearing part, the second translation part is arranged in the second translation cavity, the number of the second translation parts is two, the fourth connecting rod is arranged between the second translation part in the corresponding direction and the working mechanism, the second liquid guide hole is formed in the middle position material smearing part and used for connecting the second translation part and the working mechanism, the cavity located below the push-pull plate in the liquid cavity and the cavity located between the second translation parts in the second translation cavity are communicated, and liquid medium is filled in the cavity communicated with the second translation cavity through the second liquid guide hole.
Further, the working mechanism is a pressing piece, and the left side surface and the right side surface of the middle position material smearing piece are respectively provided with the pressing piece for contacting the slurry.
According to the PCB circuit board screen printer provided by the application, through the arrangement of the material smearing piece, when the material is scraped by the material returning knife, the stacking height of the material on the material returning knife is reduced, so that the material can move to two sides along the lower side surface of the material smearing piece, and the material is further uniformly distributed through the action, so that the probability of reducing the amount of the material which is smeared on a circuit board body in the follow-up process is reduced.
Through the setting of wiping material spare and slider, drive the horizontal reciprocating motion of wiping material spare through the slider for the wiping material spare can produce horizontal effort to the thick liquids that the downside contacted, through this power, and then further promote thick liquids horizontal migration, make follow-up probability that the thick liquids volume of smearing on the circuit board plate body reduces reduce.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the application.
The disclosure may be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of the internal structure of a feed back knife according to a first embodiment of the present application;
FIG. 2 is a schematic diagram showing a connection state of a rotary member and a feed back knife according to a first embodiment of the present application;
FIG. 3 is a schematic diagram of the internal structure of a feed back knife in a second embodiment of the present application;
FIG. 4 is an enlarged schematic view of a portion of the structure of FIG. 3A in accordance with the present application;
FIG. 5 is a schematic view showing an internal structure of a left-side wiper in a second embodiment of the present application;
FIG. 6 is a schematic diagram illustrating an internal structure of a wiper at a right side in a second embodiment of the present application;
FIG. 7 is a schematic diagram of the internal structure of a feed back knife in a third embodiment of the application;
FIG. 8 is a partially enlarged schematic illustration of the structure of FIG. 7B in accordance with the present application;
FIG. 9 is a schematic view showing an internal structure of a wiper in a third embodiment of the present application;
fig. 10 is a schematic diagram of a prior art apparatus.
Reference numerals:
1. a work table; 2. a screen printing plate; 3. a scraper; 4. a feed back knife; 5. a moving member; 6. a mounting groove; 7. a rotating member; 8. a first connecting rod; 9. a slider; 10. a smearing piece; 11. contact teeth; 12. a through groove; 13. an incomplete gear; 14. a liquid chamber; 15. a push-pull plate; 16. a second connecting rod; 17. a translation cavity number one; 18. a translation member; 19. an auxiliary member; 20. a third connecting rod; 21. a first liquid guide hole; 22. rotating the gear; 23. a translation cavity number two; 230. a translation member II; 231. a fourth connecting rod; 24. a pressing piece; 25. a second liquid guide hole;
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Example 1
Referring to fig. 1, fig. 2 and fig. 10, a PCB circuit board screen printing machine includes a workbench 1, a screen 2 is fixedly installed at the lower side of the workbench 1, a scraper 3 and a feed back knife 4 are disposed above the screen 2, a moving member 5 is slidably installed inside the workbench 1, the moving member 5 is connected with the upper side of the scraper 3 and the upper side of the feed back knife 4, the feed back knife 4 is composed of a main body and a board body, a mounting groove 6 is formed in the main body, a notch of the mounting groove 6 faces the scraper 3, a rotating member 7 is installed in the mounting groove 6 at equal intervals, the rear side of the rotating member 7 passes through the main body, the rotating member 7 is rotationally connected with the main body, the rear side of the rotating member 7 is connected with a power mechanism (such as a motor), the rear sides of the rotating member 7 are synchronously connected with a driving belt (not shown in the drawing), a first connecting rod 8 is disposed at the front side of the rotating member 7, a sliding clamp is connected with the upper side of the feed back knife 4, one end of the first connecting rod 8 is hinged with the front side of the rotating member 7, the other end of the first connecting rod 8 is connected with the front side of the rotating member 9 in a sliding manner, the other end of the sliding member 9 is connected with the right side of the sliding member 9, the sliding member 10 of the sliding member is connected with the other end of the sliding member 10, which is in contact with the front side of the moving member 4, and the other end of the moving member 10 is fixed to the front side 10 of the moving member is connected with the front side of the moving member, which is located at a distance from the front side 10.
In the process that the return knife 4 scrapes the residual paste on the screen 2 back to the initial position, the paste gradually accumulates on the side surface of the return knife 4 facing the scraping plate 3, then, the paste accumulated to a certain height is blocked by the paste smearing piece 10 and then moves to two sides along the lower side surface of the paste smearing piece 10, the paste is further uniformly distributed through the action, meanwhile, in the process, the power mechanism drives the rotating piece 7 to rotate, the rotating piece 7 pulls the sliding piece 9 to horizontally reciprocate through the first connecting rod 8, the paste smearing piece 10 synchronously moves, horizontal acting force is generated on the paste contacted with the lower side of the rotating piece through the paste smearing piece 10, the horizontal moving of the paste is further promoted through the force, the probability of reducing the paste amount which is subsequently smeared on the circuit board body is reduced, in addition, the paste which enters between the adjacent paste smearing pieces 10 is pushed by the side surface of the paste smearing piece 10, the paste is further smoothed, and the promoted paste moves to the position with little paste.
Example two
Referring to fig. 3-6, this embodiment is a further improvement of the first embodiment, and the improvement is that: the upper side of the mounting groove 6 is welded with contact teeth 11 at equal intervals corresponding to the positions of the first connecting rod 8 on the left side and the right side, the upper side positions of the inner parts of the sliding parts 9 on the left side and the right side are respectively provided with a through groove 12, the side surfaces of the through grooves 12 facing the scraping plates 3 are rotatably provided with an incomplete gear 13, gear teeth of the incomplete gear 13 are meshed with the contact teeth 11, the inner parts of the sliding parts 9 are positioned at the lower side positions of the through grooves 12 and are provided with a liquid cavity 14, a push-pull plate 15 is hermetically and slidingly arranged in the liquid cavity 14, the upper side positions of the push-pull plate 15 are provided with second connecting rods 16, the lower ends of the second connecting rods 16 are hinged and fixed with the middle positions of the upper side surfaces of the push-pull plate 15, the upper ends of the second connecting rods 16 are eccentrically hinged with the front side surfaces of the incomplete gear 13, the height of the push-pull plate 15 at the leftmost position is larger than that of the push-pull plate 15 at the rightmost position, the inner parts of the scraping parts 10 at leftmost and rightmost positions are respectively provided with a first translation cavity 17, the first translation cavity 17 is internally provided with a first translation part 18 in a sealing sliding manner, the left side surface of the left-most position smearing part 10 and the right side surface of the right-most position smearing part 10 are hinged with auxiliary parts 19, each auxiliary part 19 consists of a smearing plate and an inclined plate, a third connecting rod 20 is arranged at a position between the inclined plate and the first translation part 18, one end of the third connecting rod 20 is hinged and fixed with the inclined plate, the other end of the third connecting rod 20 is hinged and fixed with the side surface of the first translation part 18 facing the inclined plate at the corresponding position, the auxiliary part 19 at the left-most position is in an upward deflection state, the lower end of the smearing plate of the right-most position auxiliary part 19 and the lower side surface of the smearing part 10 are positioned at the same horizontal plane, the inner parts of the smearing parts 10 at the left-most position and the right-most position are respectively provided with a first liquid guide hole 21, the upper port of the first liquid guide hole 21 stretches into the sliding part 9, and is communicated with a cavity positioned below the push-pull plate 15 in the liquid cavity 14 at the corresponding position, the lower port of the first liquid guide hole 21 is communicated with a cavity positioned in the first translation part 18 in the first translation cavity 17 and facing away from the direction of the auxiliary part 19 at the corresponding position, and a liquid medium (such as hydraulic oil) is filled in the cavity communicated with the first translation cavity 17 through the first liquid guide hole 21 in the liquid cavity 14.
In the horizontal reciprocating movement process of the sliding piece 9, when the sliding piece 9 approaches the rotating piece 7, the incomplete gear 13 is meshed with the contact teeth 11, so that the leftmost incomplete gear 13 drives the push-pull plate 15 to move downwards in the liquid cavity 14 through the second connecting rod 16, further, liquid medium in the liquid cavity 14 enters the first translation cavity 17 at the leftmost position through the first liquid guide hole 21, the first translation piece 18 at the left position drives the auxiliary piece 19 at the left position to deflect downwards through the third connecting rod 20, further, a scraping effect is generated on the slurry accumulated at the leftmost position of the screen 2 (due to the fact that the slurry smearing piece 10 pushes the slurry leftmost and rightmost positions to left, the slurry accumulated at the position cannot be pushed by the slurry smearing piece 10), the rightmost incomplete gear 13 drives the plate 15 to move upwards in the liquid cavity 14 through the second connecting rod 16, the auxiliary piece 19 at the rightmost position is deflected upwards, and then, when the sliding piece 9 rotates, the sliding piece 7 moves away from the upper position, the opposite to the sloping plate 19 is driven by the sloping plate, and further, the slurry is uniformly moved towards the lower position of the sloping plate 19, and further, the slurry accumulated at the position is pushed upwards by the sloping plate is further, the sliding plate is caused by the sliding plate is moved towards the position.
Example III
Referring to fig. 7-9, this embodiment is a further improvement of the second embodiment, and the improvement is that: the upper side of the mounting groove 6 is provided with contact teeth 11 corresponding to the position of the first connecting rod 8 in the middle, the upper side of the sliding part 9 in the middle is provided with a through groove 12, the side surface of the through groove 12 facing the scraping plate 3 is rotatably provided with a rotary gear 22, gear teeth of the rotary gear 22 are meshed with the contact teeth 11, the lower side of the middle sliding part 9 inside the through groove 12 is provided with a liquid cavity 14, a push-pull plate 15 is arranged in the liquid cavity 14 in a sealing sliding manner, the upper side of the push-pull plate 15 is provided with a second connecting rod 16, the lower end of the second connecting rod 16 is hinged and fixed with the middle position of the upper side of the push-pull plate 15, the upper end of the second connecting rod 16 is eccentrically hinged with the front side surface of the rotary gear 22, the middle position scraping part 10 is provided with a second translational cavity 23, the second translational cavity 23 is internally provided with a second translational part 230 in a sealing sliding manner, the number of the second translational part 230 is two, the left side surface and the right side surface of the middle position scraping part 10 are respectively hinged with a lower pressing part 24, a position between the lower pressing part 24 and the second translational part 230 in the corresponding direction is provided with a fourth translational part 230, the position between the fourth translational part 24 and the second translational part 25 is connected with the second translational part 25, and the second translational part 25 is connected with the second translational part 25 through the second translational part 25, and the second translational part 25 is connected with the second translational part 25, and the middle position and the second translational part 25.
In the horizontal reciprocating process of the sliding piece 9, the rotating gear 22 is meshed with the contact teeth 11, and then the push-pull plate 15 is driven to reciprocate up and down in the liquid cavity 14 through the second connecting rod 16, so that liquid medium in the liquid cavity 14 reciprocally enters the second translation cavity 23 through the second liquid guide hole 25, two second translation pieces 230 in the second translation cavity 23 reciprocally deflect up and down through the fourth connecting rod 231, and slurry between adjacent plastering pieces 10 is further pressed down through the action, so that the slurry is enabled to be distributed evenly and rapidly.
Claims (7)
1. A PCB circuit board screen printer comprising: the automatic feeding device comprises a workbench (1), wherein a screen plate (2) is arranged on the lower side of the workbench (1), a scraping plate (3) and a feed back knife (4) are arranged above the screen plate (2), a moving part (5) is arranged in the workbench (1) and used for driving the scraping plate (3) and the feed back knife (4) to move up and down and left and right, and the automatic feeding device is characterized in that the feed back knife (4) consists of a main body and a plate body, a material smearing part (10) is arranged on the side surface of the plate body facing the scraping plate (3), and the distance from the lower side surface of the material smearing part (10) to the ground is larger than the distance from the lower end of the feed back knife (4) to the ground;
the automatic scraping device comprises a main body, and is characterized in that an installation groove (6) is formed in the main body, a notch of the installation groove (6) faces the scraping plate (3), rotating pieces (7) are installed in the installation groove (6) at equal intervals, the rear side of each rotating piece (7) penetrates through the main body, the rear side of each rotating piece (7) is connected with a power mechanism, a first connecting rod (8) is arranged at the front side of each rotating piece (7), a sliding piece (9) is arranged at the left side of each rotating piece (7), the first connecting rod (8) is connected with the front side of each rotating piece (7) and the right side of each sliding piece (9), the other end of each sliding piece (9) is connected with a material smearing piece (10), and the rear side of each material smearing piece (10) is in contact with the side face of a feed back knife (4) facing the scraping plate (3);
the utility model discloses a scraper blade, including installation groove (6), connecting rod (8) and scraper blade, the side of installation groove (6), connecting rod (8) are all equidistant in the position that corresponds in side, logical groove (12) have been seted up to the upside position of slider (9) inside, the side rotation that leads to groove (12) towards scraper blade (3) is installed and is installed the gear piece, the teeth of a cogwheel of gear piece forms the meshing with contact tooth (11) and is connected, liquid chamber (14) have been seted up to the downside position that is located logical groove (12) inside slider (9), be provided with push-and-pull board (15) in liquid chamber (14), the upside position of push-and-pull board (15) is provided with No. two connecting rods (16) for connect push-and-pull board (15) and the leading to side of gear piece, the height of push-and-pull board (15) is greater than the height of right side position push-and pull board (15) in the upside position, the inside of erasing material piece (10) is provided with drive mechanism, the side of erasing material piece (10) is provided with operating mechanism, drive mechanism is connected with operating mechanism for realizing operating mechanism's operation with the rotation action of gear piece.
2. A PCB board screen printing machine according to claim 1, wherein the gear member is an incomplete gear (13), the incomplete gear (13) engaging with the contact teeth (11) and performing a half-turn when the slider (9) moves unidirectionally.
3. A PCB board screen printing machine according to claim 1, wherein the gear member is a rotating gear (22), and when the slider (9) moves unidirectionally, the rotating gear (22) is meshed with the contact teeth (11) and rotates circumferentially.
4. The PCB circuit board screen printing machine according to claim 2, wherein the transmission mechanism comprises a first translation cavity (17), a first translation part (18), a third connecting rod (20) and a first liquid guiding hole (21), the first translation cavity (17) is formed in the inner part of the first material smearing part (10) at the leftmost position and the rightmost position, the first translation part (18) is arranged in the first translation cavity (17), the third connecting rod (20) is arranged at a position between the first translation part (18) and the working mechanism and used for connecting the working mechanism and the first translation part (18), the first liquid guiding hole (21) is formed in the inner part of the first material smearing part (10) at the leftmost position and the rightmost position and used for communicating a cavity positioned below the push-pull plate (15) with a cavity positioned in the first translation cavity (17) in the direction opposite to the working mechanism, and the liquid cavity (14) is communicated with a liquid medium in the first translation cavity (17) through the first liquid guiding hole (21).
5. The PCB circuit board screen printer of claim 4, wherein the working mechanism is an auxiliary piece (19), the left side surface of the left-most position smearing piece (10) and the right side surface of the right-most position smearing piece (10) are both provided with the auxiliary piece (19), the auxiliary piece (19) consists of a smearing plate and an inclined plate, one end of the third connecting rod (20) is connected with the inclined plate, the other end of the third connecting rod (20) is connected with the side surface of the first translation piece (18) facing the inclined plate at the corresponding position, the auxiliary piece (19) at the left-most position is in an upward deflection state, and the lower end of the smearing plate of the right-most position auxiliary piece (19) and the lower side surface of the smearing piece (10) are in the same horizontal plane.
6. The PCB circuit board screen printer according to claim 3, wherein the transmission mechanism comprises a second translation cavity (23), a second translation part (230), a fourth connecting rod (231) and a second liquid guide hole (25), the second translation cavity (23) is formed in the middle position material smearing part (10), the second translation part (230) is arranged in the second translation cavity (23), the number of the second translation part (230) is two, a fourth connecting rod (231) is arranged at a position between the working mechanism and the second translation part (230) in the corresponding direction and used for connecting the second translation part (230) with the working mechanism, a second liquid guide hole (25) is formed in the middle position material smearing part (10) and used for communicating a cavity positioned below the push-pull plate (15) in the liquid cavity (14) with a cavity positioned between the second translation part (230), and the liquid cavity (14) is communicated with a liquid medium in the second translation cavity (23) through the second liquid guide hole (25).
7. The screen printer for the PCB circuit board according to claim 6, wherein the working mechanism is a pressing piece (24), and the left side surface and the right side surface of the middle position material smearing piece (10) are respectively provided with the pressing piece (24) for contacting the slurry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310378578.XA CN116215060B (en) | 2023-04-11 | 2023-04-11 | PCB circuit board screen printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310378578.XA CN116215060B (en) | 2023-04-11 | 2023-04-11 | PCB circuit board screen printing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116215060A CN116215060A (en) | 2023-06-06 |
| CN116215060B true CN116215060B (en) | 2023-09-26 |
Family
ID=86580715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310378578.XA Active CN116215060B (en) | 2023-04-11 | 2023-04-11 | PCB circuit board screen printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116215060B (en) |
Citations (7)
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| CN111169150A (en) * | 2019-11-25 | 2020-05-19 | 浙江彩诺数码科技有限公司 | Screen printing device |
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| CN115255543A (en) * | 2022-09-29 | 2022-11-01 | 江苏淮海新能源股份有限公司 | Dip soldering machine is used in production of machine controller control panel |
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| JPH1044371A (en) * | 1996-08-08 | 1998-02-17 | Rhythm Watch Co Ltd | Squeegee mechanism for screen printing and squeegee method |
| CN102336051A (en) * | 2011-08-11 | 2012-02-01 | 南昌大学 | Screen printing device for solar batteries |
| CN111169150A (en) * | 2019-11-25 | 2020-05-19 | 浙江彩诺数码科技有限公司 | Screen printing device |
| CN212603943U (en) * | 2020-06-17 | 2021-02-26 | 湖南省新化县林海陶瓷有限公司 | Insulating positioning ceramic surface metallization printing device |
| WO2022057617A1 (en) * | 2020-09-18 | 2022-03-24 | 广东博智林机器人有限公司 | Scraper blade, slurry scraping assembly, hole plugging device and hole plugging apparatus |
| CN217649113U (en) * | 2022-05-17 | 2022-10-25 | 晶澳太阳能有限公司 | Feed back sword and screen printing machine for screen printing machine |
| CN115255543A (en) * | 2022-09-29 | 2022-11-01 | 江苏淮海新能源股份有限公司 | Dip soldering machine is used in production of machine controller control panel |
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| CN116215060A (en) | 2023-06-06 |
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