CN114938580A - Solder paste printing tool for SMT paster production - Google Patents
Solder paste printing tool for SMT paster production Download PDFInfo
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- CN114938580A CN114938580A CN202210580343.4A CN202210580343A CN114938580A CN 114938580 A CN114938580 A CN 114938580A CN 202210580343 A CN202210580343 A CN 202210580343A CN 114938580 A CN114938580 A CN 114938580A
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- frame
- assembly
- solder paste
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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
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
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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
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/303—Surface mounted components, e.g. affixing before soldering, aligning means, spacing means
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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
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/341—Surface mounted components
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
- Screen Printers (AREA)
Abstract
The invention is suitable for the technical field of SMT paster, and provides a solder paste printing tool for SMT paster production, which comprises: the PCB board is positioned in the operating platform and corresponds to the steel mesh; the scraper device comprises a guide rail, a movable frame and two scrapers, wherein the movable frame is slidably mounted in the guide rail, and the two scrapers are connected with the movable frame through a mounting seat; the linkage type switching moving mechanism is respectively connected with the moving frame and the two scrapers; the linked switching moving mechanism comprises: the reciprocating moving assembly is connected with the moving frame and used for driving the moving frame to move and converting the moving direction of the moving frame; and the switching component is respectively connected with the reciprocating moving component and the two scrapers, and the reciprocating moving component drives the switching component to change the positions of the two scrapers while driving the rotating direction of the moving frame. The invention is provided with the linkage type switching moving mechanism, can drive the scraper to reciprocate and switch the position of the scraper, and always scrapes the solder paste by the scraper on the outer side, thereby preventing the solder paste from leaking.
Description
Technical Field
The invention belongs to the technical field of SMT paster, and particularly relates to a solder paste printing tool for SMT paster production.
Background
SMT (Surface Mounted Technology Surface assembly Technology) refers to a series of process flows for processing on the basis of a PCB, and solder paste printing is a basic process for SMT patch production, i.e., solder paste is printed on a pad of the PCB in a missing manner to prepare for soldering of a component, and is located at the forefront of an SMT production line.
Paint the trompil on the steel mesh on the steel screen and PCB's pad one-to-one with the tin cream among the prior art, recycle the scraper and remove and paint the tin cream open, fill into the tin cream in all trompils of steel mesh, lift up the steel mesh at last, the tin cream can cover on PCB's pad, accomplish the printing, can adopt two scrapers during general printing, the scraper that different moving direction selected different positions is used in promoting the tin cream on the steel mesh, lead to the staff still to be continuous switching scraper when control scraper round trip movement, and the operation is complicated.
Disclosure of Invention
The embodiment of the invention aims to provide a solder paste printing tool for SMT patch production, and aims to solve the problems in the background technology.
The embodiment of the invention is realized in such a way that the solder paste printing tool for SMT patch production comprises:
the PCB board is positioned in the operation table, and corresponds to the steel mesh;
the guide rail is installed in the operating table, a moving frame is installed in the guide rail in a sliding mode, the two scrapers are connected with the moving frame through installation seats, the scrapers correspond to the steel mesh, and the moving frame moves on the guide rail and is used for driving the scrapers to scrape and smear solder paste on the steel mesh;
the linkage type switching moving mechanism is arranged in the operating platform and is respectively connected with the moving frame and the two scrapers, and the linkage type switching moving mechanism switches the positions of the two scrapers while changing the moving direction of the moving frame;
wherein, the coordinated type switches moving mechanism includes:
the reciprocating moving assembly is arranged in the operating table, is connected with the moving frame and is used for driving the moving frame to move and converting the moving direction of the moving frame;
the switching assembly is installed in the operating platform and is respectively connected with the reciprocating movement assembly and the two scrapers, and the reciprocating movement assembly drives the switching assembly to change the positions of the two scrapers while driving the rotation direction of the moving frame.
The invention provides a solder paste printing tool for SMT paster production, which aims at the problems that in the prior art, when printing solder paste, not only scrapers need to be driven to move back and forth, but also the positions of the scrapers need to be switched according to the moving direction of the scrapers, and the operation is complicated, a linkage type switching moving mechanism is arranged, when printing the solder paste, a PCB (printed circuit board) corresponds to a steel mesh, holes in the steel mesh and bonding pads on the PCB are ensured to correspond one to one, at the moment, the two scrapers are not in contact with the steel mesh, the solder paste is smeared on the steel mesh, at the moment, a reciprocating moving assembly is started, can drive a moving frame to move on a guide rail, at the moment, the switching assembly drives the scrapers opposite to the moving direction to descend to be in contact with the steel mesh, at the moment, the other scraper can be driven to scrape the solder paste when the moving frame moves, when the reciprocating assembly drives the moving frame to change the rotating direction, the switching component drives the position of switching two scrapers, drives the scraper decline of opposite side and steel mesh contact, scrapes the tin cream once more, repeats above-mentioned step according to the printing condition, and this printing frock only needs to start coordinated type and switches moving mechanism, can switch the position of scraper again when driving scraper reciprocating motion, scrapes the tin cream with the scraper in the outside all the time, prevents that the tin cream from leaking outward.
Drawings
Fig. 1 is a schematic structural diagram of a solder paste printing tool for SMT patch production according to an embodiment of the present invention;
fig. 2 is a top view of a reciprocating assembly in a solder paste printing tool for SMT patch production according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a switching assembly in a solder paste printing tool for SMT patch production according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a self-control discharging mechanism in a solder paste printing tool for SMT patch production according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a scraper and a material chamber in a solder paste printing tool for SMT patch production according to an embodiment of the present invention.
In the drawings: 1-an operation table; 2-steel mesh; 3-a PCB board; 4-a guide rail; 5, moving a rack; 6-mounting a base; 7-a scraper; 8-a first drive device; 9-a first gear; 10-an adjustment frame; 11-a first rack; 12-a second drive device; 13-a screw rod; 14-a first rotating wheel; 15-a transmission belt; 16-a second rotating wheel; 17-a second gear; 18-a second rack; 19-a material cavity; 20-a discharge hole; 21-blocking; 22-a connecting rod; 23-a top plate; 24-a force application block; 25-a fixed seat; 26-a mounting frame; 27-a lever member; 28-a top rod; 29-a resilient member; 30-a moving assembly; 31-a steering assembly; 32-a reciprocating assembly; 33-a transmission assembly; 34-a switching component; 35-linkage type switching moving mechanism; 36-self-return lifting assembly; 37-automatic control discharge mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a structure diagram of a solder paste printing tool for SMT patch production according to an embodiment of the present invention includes:
the PCB structure comprises an operating table 1, wherein a steel mesh 2 is installed in the operating table 1, a PCB 3 is positioned in the operating table 1, and the PCB 3 corresponds to the steel mesh 2;
the guide rail 4 is installed in the operating table 1, the moving frame 5 is installed in the guide rail 4 in a sliding mode, the two scrapers 7 are connected with the moving frame 5 through the installation seat 6, the scrapers 7 correspond to the steel mesh 2, and the moving frame 5 moves on the guide rail 4 and is used for driving the scrapers 7 to scrape and smear solder paste on the steel mesh 2;
the linkage type switching moving mechanism 35 is installed in the operating platform 1 and is respectively connected with the moving frame 5 and the two scrapers 7, and the linkage type switching moving mechanism 35 switches the positions of the two scrapers 7 while changing the moving direction of the moving frame 5;
wherein, the linkage type switching moving mechanism 35 comprises:
the reciprocating moving assembly 32 is installed in the operating table 1, is connected with the moving frame 5, and is used for driving the moving frame 5 to move and changing the moving direction of the moving frame 5;
and a switching assembly 34 installed in the operation table 1, wherein the switching assembly 34 is respectively connected with the reciprocating assembly 32 and the two scrapers 7, and the reciprocating assembly 32 drives the switching assembly 34 to change the positions of the two scrapers 7 while driving the moving frame 5 to rotate.
In one embodiment of the invention, aiming at the problems that in the prior art, when printing solder paste, the scrapers need to be driven to move back and forth, the positions of the scrapers need to be switched according to the moving direction of the scrapers, and the operation is complex, a linkage type switching moving mechanism 35 is arranged, when printing solder paste, the PCB 3 corresponds to the steel mesh 2, holes in the steel mesh 2 correspond to bonding pads on the PCB 3 one by one, at the moment, the two scrapers 7 do not contact with the steel mesh 2, the solder paste is coated on the steel mesh 2, at the moment, the reciprocating moving assembly 32 is started, the reciprocating moving assembly 32 can drive the moving frame 5 to move on the guide rail 4, at the moment, the switching assembly 34 drives the scraper 7 opposite to the moving direction to descend to contact with the steel mesh 2, at the moment, the other scraper 7 ascends, when the moving frame 5 moves, the scraper 7 can be driven to scrape the solder paste, when the reciprocating assembly 32 drives the moving frame 5 to change the rotating direction, the switching assembly 34 drives the two scrapers 7 to switch positions, the scraper 7 on the other side is driven to descend to be in contact with the steel mesh 2, the solder paste is scraped again, the steps are repeated according to the printing condition, the printing tool only needs to start the linkage type switching moving mechanism 35, the positions of the scrapers 7 can be switched while the scrapers 7 are driven to reciprocate, the outer scrapers 7 scrape the solder paste all the time, and the solder paste is prevented from leaking.
As shown in fig. 2, as a preferred embodiment of the present invention, the shuttle assembly 32 includes:
the moving assembly 30 is installed in the operating table 1 and connected with the moving frame 5, and the moving assembly 30 changes rotation into linear motion and is used for driving the moving frame 5 to move;
and a steering assembly 31 mounted on the moving frame 5, connected to the moving assembly 30, for changing a moving direction of the moving assembly 30.
The moving assembly 30 is started to drive the moving frame 5 to move, and the steering assembly 31 is started to drive and adjust the moving direction of the moving frame 5.
As shown in fig. 2, as another preferred embodiment of the present invention, the moving assembly 30 includes:
a first driving device 8 mounted on the operation table 1;
a first gear 9 rotatably mounted in the operation table 1 and in driving connection with the output end of the first driving device 8;
adjusting frame 10 installs in removing frame 5, be located the outside of first gear 9, first rack 11 is installed respectively to the both sides inner wall of adjusting frame 10, first gear 9 drives adjusting frame 10 when meshing with first rack 11 and removes.
The first driving device 8 can be a servo motor or a pneumatic motor, when the first driving device 8 is started, the first driving device 8 drives the first gear 9 to rotate, the adjusting frame 10 is located on the outer side of the first gear 9 in an initial state, the first rack 11 on the inner wall of the adjusting frame 10 is not meshed with the first gear 9, the moving frame 5 can be driven to move only when the first rack 11 on one side of the adjusting frame 10 is meshed with the first gear 9, and the first racks 11 on different sides can be driven to be meshed with the first gear 9 when the moving directions of the adjusting frame 10 are different, so that the moving frame 5 can be driven to move in different directions; in addition, the moving assembly 30 can also be a combination of a crank and a connecting rod, and when the crank rotates, the connecting rod can be driven to move back and forth, and then the moving frame 5 can be driven to move in different directions.
As shown in fig. 2, as a preferred embodiment of the present invention, the steering assembly 31 includes:
a second driving device 12 mounted on the moving frame 5;
the screw rod 13 is in driving connection with the output end of the second driving device 12, the screw rod 13 is rotatably installed in the movable frame 5, the adjusting frame 10 is installed on the screw rod 13 in a threaded connection mode, the different rotating directions of the screw rod 13 drive the adjusting frame 10 to have different moving directions, and the first racks 11 at different positions on the adjusting frame 10 are controlled to be meshed with the first gear 9.
The second driving device 12 can be a servo motor or a pneumatic motor, the second driving device 12 is started to drive the screw rod 13 to rotate, and further the adjusting frame 10 mounted on the screw rod 13 can be driven to move in the moving frame 5, when the rotating directions of the second driving device 12 driving the screw rod 13 are different, the adjusting frame 10 can be controlled to move in different directions, and further the moving direction of the moving frame 5 is switched; in addition, the steering assembly 31 can also be a combination of a gear and a rack, and when the rotation direction of the gear is different, the rack can be driven to move in different directions.
As shown in fig. 3, as a preferred embodiment of the present invention, the switching component 34 includes:
the transmission assembly 33 is in driving connection with the output end of the second driving device 12 and is used for transmitting rotating force;
the second gear 17 is arranged on the mounting seat 6 and is connected with the transmission assembly 33;
the second rack 18, the second rack 18 is equipped with two, installs respectively in the inboard of two scrapers 7, and two second racks 18 are located the both sides of second gear 17 respectively, and two second racks 18 all mesh with second gear 17 is continuous, second gear 17 drives a scraper 7 and rises a scraper 7 and descend when rotating, the different direction of motion that drives two scrapers 7 of direction of rotation of second gear 17 is different for switch over the position of two scrapers 7.
The transmission assembly 33 includes a first rotating wheel 14, a transmission belt 15 and a second rotating wheel 16, the first rotating wheel 14 is connected with an output end of a second driving device 12 in a driving manner, the transmission belt 15 is installed between the first rotating wheel 14 and the second rotating wheel 16 in a sleeved manner, the second rotating wheel 16 is fixedly connected with a second gear 17, when the movable frame 5 needs to be driven to move towards one direction, the second driving device 12 is started to drive a screw 13 to rotate, a first rack 11 on the adjusting frame 10 is driven to be meshed with a first gear 9, at the moment, the second driving device 12 drives the first rotating wheel 14 to rotate, further, the rotating force is transmitted to the second gear 17, the second gear 17 is respectively and continuously meshed with second racks 18 on two sides during rotation, so that the scraper 7 on one side can be driven to descend, the scraper 7 on the other side ascends, at the moment, the scraper 7 opposite to the moving direction is controlled to descend, when the movable frame 5 is driven to move reversely, starting a second driving device 12 to drive a screw rod 13 to rotate reversely, driving another first rack 11 on the adjusting frame 10 to be meshed with the first gear 9, likewise driving a second gear 17 to rotate reversely, further driving the two scrapers 7 to move in a reverse lifting manner, further driving the scrapers 7 with the opposite moving directions to descend, and switching the two scrapers 7 while controlling the moving directions of the scrapers 7 only by controlling the rotating direction of the second driving device 12; in addition, the transmission assembly 33 may also be a combination of a sprocket and a chain.
As shown in fig. 4 to 5, as a preferred embodiment of the present invention, the solder paste printing tool further includes an automatic discharging mechanism 37, which is installed on the moving frame 5 and connected to the scraper 7, and the scraper 7 drives the solder paste to automatically discharge when moving.
In order to improve the automation of solder paste printing, and avoid too much solder paste to once only paint on steel mesh 2, lead to the solder paste cooling, be provided with automatic control discharge mechanism 37, can drive solder paste automatic discharging when drive scraper 7 removes, the validity of solder paste is ensured in the batch ejection of compact.
As shown in fig. 4, as a preferred embodiment of the present invention, the automatic discharging mechanism 37 includes:
the material cavity 19 is mounted on the movable frame 5, a discharge hole 20 is formed in the material cavity 19, and the discharge hole 20 is located between the two scrapers 7;
the material blocking plug 21 is matched with the discharge hole 20, a connecting rod 22 is connected to the material blocking plug 21, and the connecting rod 22 penetrates through the material cavity 19 to be connected with the top plate 23;
the self-return lifting assembly 36 is installed on the material cavity 19 and connected with the scraper 7, the self-return lifting assembly 36 is in contact with the top plate 23, and the scraper 7 applies thrust to the self-return lifting assembly 36 when rising to drive the top plate 23 to move and control the discharge hole 20 to discharge.
The tin paste is added into the material cavity 19 to keep validity of the tin paste, the material outlet 20 is blocked by the material blocking plug 21 to prevent blanking, when the scraper 7 on one side is driven to ascend, thrust can be applied to the self-return lifting assembly 36, the top plate 23 is driven to move upwards, the material blocking plug 21 is driven to move upwards, and when the material blocking plug 21 is separated from the material outlet 20, the tin paste in the material cavity 19 can be blanked.
As shown in fig. 4, as a preferred embodiment of the present invention, the self-return lifting assembly 36 includes:
a force application block 24 mounted on the scraper 7;
the fixed seat 25 is fixedly arranged on the material cavity 19;
the lever member 27 is rotatably connected with the fixed seat 25 through a mounting frame 26, one end of the lever member 27 corresponds to the force application block 24, and the other end of the lever member 27 is connected with the fixed seat 25 through an elastic member 29;
and the ejector rod 28 is installed at one end of the lever member 27 corresponding to the force application block 24, and the ejector rod 28 corresponds to the top plate 23 and is used for driving the top plate 23 to move and controlling the discharge of the discharge hole 20.
When the scraper 7 ascends, the force application block 24 on the scraper 7 applies a pushing force to one end of the lever member 27, the ejector rod 28 can apply a pushing force to one end of the top plate 23 to drive the top plate 23 to move upwards, at the moment, the other end of the lever member 27 is pressed downwards, the elastic member 29 is compressed, when the scraper 7 continuously ascends, the force application block 24 is separated from the lever member 27, the lever member 27 can return under the action of the elastic member 29, at the moment, the top plate 23 loses the pushing force and falls under the action of gravity, the material blocking plug 21 blocks the material outlet 20 to avoid the material outlet 20 from continuously discharging, the structure can ensure that the material cavity 19 is driven to discharge only when the scraper 7 is driven to ascend and descend, continuous discharging in the moving process of the scraper 7 is avoided, the material outlet 20 is positioned between the two scrapers 7, solder paste falls between the two scrapers 7, the scraper 7 is convenient to wipe solder paste, when the two scrapers 7 are switched in position, the scraper 7 on one side descends to drive the ejector rod 28 on the side to move downwards without causing interference on the top plate 23, the scraper 7 on the other side ascends to drive the ejector rod 28 on the side to apply pressure on the top plate 23, and the discharging steps are repeated, so that the batch discharge of the solder paste can be ensured, and the printing effect is ensured.
The working principle is as follows: according to the solder paste printing tool for SMT patch production, a first driving device 8 can be a servo motor or a pneumatic motor, the first driving device 8 is started to drive a first gear 9 to rotate, a second driving device 12 can be a servo motor or a pneumatic motor, the second driving device 12 is started to drive a lead screw 13 to rotate, an adjusting frame 10 is driven to move in a moving frame 5, when the rotating directions of the lead screw 13 driven by the second driving device 12 are different, the adjusting frame 10 can be controlled to move in different directions, first racks 11 on different sides are driven to be meshed with the first gear 9, and then the moving direction of the moving frame 5 is switched;
the transmission assembly 33 comprises a first rotating wheel 14, a transmission belt 15 and a second rotating wheel 16, a second driving device 12 is started to drive a screw rod 13 to rotate, a first rack 11 on the adjusting frame 10 is driven to be meshed with a first gear 9, the second driving device 12 drives the first rotating wheel 14 to rotate and transmits the rotating force to a second gear 17, the second gear 17 is respectively and continuously meshed with second racks 18 on two sides during rotation to drive a scraper 7 on one side to descend, and a scraper 7 on the other side to ascend, when the moving frame 5 is driven to move in the reverse direction, the second driving device 12 is started to drive the screw rod 13 to rotate in the reverse direction, another first rack 11 on the adjusting frame 10 is driven to be meshed with the first gear 9 and drive the second gear 17 to rotate in the reverse direction to drive the two scrapers 7 to move in the reverse direction; in addition, the transmission assembly 33 can also be a chain wheel and a chain;
when the scraper 7 rises, the force application block 24 on the scraper 7 applies an upward thrust to one end of the lever member 27, the ejector rod 28 can apply a thrust to one end of the top plate 23 to drive the blocking plug 21 to move upward, when the blocking plug 21 is separated from the discharge port 20, the solder paste in the material cavity 19 can be discharged, at this time, the other end of the lever member 27 is pressed downward, the elastic member 29 is compressed, when the scraper 7 continues to rise, the force application block 24 is separated from the lever member 27, the lever member 27 can return under the action of the elastic member 29, the top plate 23 loses the upward thrust and falls under the action of gravity, the blocking plug 21 blocks the discharge port 20 to prevent the discharge port 20 from continuing to discharge, when the two scrapers 7 are switched in position, the scraper 7 on one side falls to drive the ejector rod 28 on the side to move downward without causing interference to the top plate 23, the scraper 7 on the other side rises to drive the ejector rod 28 on the side to apply a pressure to the top plate 23, and repeat the above-described discharging steps, thus, the batch discharge of the solder paste can be ensured, and the printing effect can be ensured.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (8)
1. The utility model provides a solder paste printing frock of SMT paster production usefulness, includes:
the PCB board is positioned in the operation table, and corresponds to the steel mesh;
the guide rail is installed in the operating table, a moving frame is installed in the guide rail in a sliding mode, the two scrapers are connected with the moving frame through installing seats, the scrapers correspond to the steel mesh, and the moving frame moves on the guide rail and is used for driving the scrapers to scrape tin paste on the steel mesh; it is characterized by also comprising:
the linkage type switching moving mechanism is arranged in the operating platform and is respectively connected with the moving frame and the two scrapers, and the linkage type switching moving mechanism switches the positions of the two scrapers while changing the moving direction of the moving frame;
wherein, the coordinated type switches moving mechanism includes:
the reciprocating moving assembly is arranged in the operating table, is connected with the moving frame and is used for driving the moving frame to move and converting the moving direction of the moving frame;
the switching assembly is installed in the operating platform and is respectively connected with the reciprocating movement assembly and the two scrapers, and the reciprocating movement assembly drives the switching assembly to change the positions of the two scrapers while driving the rotation direction of the moving frame.
2. A solder paste printing tool according to claim 1, wherein the reciprocating assembly comprises:
the moving assembly is arranged in the operating table and connected with the moving frame, and the moving assembly changes rotation into linear motion and is used for driving the moving frame to move;
and the steering assembly is arranged on the moving frame, is connected with the moving assembly and is used for changing the moving direction of the moving assembly.
3. A solder paste printing tool according to claim 2 for SMT patch production, wherein said moving assembly comprises:
the first driving device is arranged on the operating platform;
the first gear is rotatably arranged in the operating platform and is in driving connection with the output end of the first driving device;
the adjusting frame is installed in the moving frame and located on the outer side of the first gear, first racks are installed on the inner walls of the two sides of the adjusting frame respectively, and the first gear is meshed with the first racks to drive the adjusting frame to move.
4. A solder paste printing tooling for SMT patch production as recited in claim 3, wherein said steering assembly comprises:
the second driving device is arranged on the moving frame;
the lead screw, with the output drive of second drive device is connected, the lead screw rotates to be installed in removing the frame, the adjusting frame is installed with threaded connection mode on the lead screw, the different moving direction that drives the adjusting frame of the different direction of rotation of lead screw is different for the first rack and the first gear engagement of different positions on the control adjusting frame.
5. A solder paste printing tool according to claim 4 for SMT patch production, wherein said switching assembly comprises:
the transmission assembly is in driving connection with the output end of the second driving device and is used for transmitting rotating force;
the second gear is arranged on the mounting seat and is connected with the transmission assembly;
the second rack, the second rack is equipped with two, installs respectively in the inboard of two scrapers, and two second racks are located the both sides of second gear respectively, and two second racks all mesh with the second gear is continuous, the second gear drives a scraper and rises a scraper and descend when rotating, the different direction of motion that drives two scrapers of direction of rotation of second gear is different for switch the position of two scrapers.
6. The solder paste printing tool for SMT patch production according to claim 1, further comprising a self-control discharging mechanism mounted on the moving frame and connected to the scraper, wherein the scraper drives the solder paste to automatically discharge when moving.
7. A solder paste printing tool according to claim 6 for use in the manufacture of SMT patches, wherein said self-controlled dispensing mechanism comprises:
the material cavity is arranged on the moving frame, and is provided with a discharge port which is positioned between the two scrapers;
the material blocking plug is matched with the discharge hole and is connected with a connecting rod, and the connecting rod penetrates through the material cavity and is connected with the top plate;
the self-return lifting assembly is installed on the material cavity and connected with the scraper, the self-return lifting assembly is in contact with the top plate, and the scraper applies thrust to the self-return lifting assembly when ascending to drive the top plate to move so as to control the discharge hole to discharge.
8. A solder paste printing tool according to claim 6, wherein the self-return lifting assembly comprises:
the force application block is arranged on the scraper;
the fixed seat is fixedly arranged on the material cavity;
the lever part is rotatably connected with the fixed seat through a mounting frame, one end of the lever part corresponds to the force application block, and the other end of the lever part is connected with the fixed seat through an elastic part;
and the ejector rod is arranged at one end of the lever piece corresponding to the force application block, corresponds to the top plate and is used for driving the top plate to move and controlling the discharge hole to discharge.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210580343.4A CN114938580B (en) | 2022-05-26 | 2022-05-26 | Solder paste printing tool for SMT paster production |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210580343.4A CN114938580B (en) | 2022-05-26 | 2022-05-26 | Solder paste printing tool for SMT paster production |
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| CN114938580A true CN114938580A (en) | 2022-08-23 |
| CN114938580B CN114938580B (en) | 2023-09-08 |
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2022
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| US20010038882A1 (en) * | 1996-12-10 | 2001-11-08 | Hiroaki Onishi | Apparatus and method for printing solder paste |
| TWM261957U (en) * | 2004-05-07 | 2005-04-11 | Via Tech Inc | Semi-automatic solder paste printer |
| KR100797710B1 (en) * | 2006-11-13 | 2008-01-23 | 삼성전기주식회사 | Squeegee device for printing variety solder paste |
| CN209063681U (en) * | 2018-08-30 | 2019-07-05 | 深圳市天慧谷科技股份公司 | Printing equipment and screen process press |
| CN109484011A (en) * | 2018-09-05 | 2019-03-19 | 浙江金诺纺织科技有限公司 | A kind of textile fabric high quality continous way printing device and its technique |
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