CN110588144A - Solder paste printing machine for circuit board - Google Patents
Solder paste printing machine for circuit board Download PDFInfo
- Publication number
- CN110588144A CN110588144A CN201910955129.0A CN201910955129A CN110588144A CN 110588144 A CN110588144 A CN 110588144A CN 201910955129 A CN201910955129 A CN 201910955129A CN 110588144 A CN110588144 A CN 110588144A
- Authority
- CN
- China
- Prior art keywords
- solder paste
- circuit board
- fixed
- printing machine
- baffle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/08—Machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F21/00—Devices for conveying sheets through printing apparatus or machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H15/00—Overturning articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The invention relates to the technical field of solder paste printers, in particular to a solder paste printer for a circuit board, which comprises a solder paste printer frame, wherein a distribution box is arranged on the solder paste printer frame, mounting openings are respectively arranged on two sides of the solder paste printer frame, a circuit board conveying device is respectively arranged on the two mounting openings, and a circuit board solder paste brushing device is arranged on the solder paste printer frame. According to the invention, under the action of the second oil cylinder, the two material clamping plates can clamp the circuit board, the scraper device brushes tin, after tin brushing on the front surface of the circuit board is finished, the air cylinder is shortened, the two material clamping plates can clamp the circuit board and stop after the circuit board is lifted to a proper position, then the first servo motor can rotate, so that the circuit board can be turned over to one surface, then the air cylinder extends, the material clamping plates are restored to the original position, and the scraper device brushes tin on the other surface of the circuit board, so that the defect that a tin paste printer can not brush tin on the two surfaces of the circuit board in one process is overcome.
Description
Technical Field
The invention relates to the technical field of solder paste printers, in particular to a solder paste printer for a circuit board.
Background
Modern solder paste printing machines generally comprise mechanisms such as plate loading, solder paste adding, stamping, power transmission circuit boards and the like. The working principle of the automatic paster-mounting machine is that a circuit board to be printed is fixed on a printing positioning table, then solder paste or red glue is subjected to screen printing on corresponding bonding pads through a steel mesh by a left scraper and a right scraper of the printing machine, and the PCB with uniform screen printing is input into the paster-mounting machine through a transmission table to be subjected to automatic paster mounting.
However, the currently used solder paste printer can only brush tin on one side of the circuit board at each time, when the circuit board with tin on both sides needs to be brushed, the circuit board needs to be reworked, and the other side of the circuit board needs to be brushed again, so that the working efficiency of the solder paste printer is prolonged, and the solder paste printer is not beneficial to brushing tin on the PCB.
Disclosure of Invention
The invention aims to solve the defect that a solder paste printer in the prior art cannot perform double-sided tin brushing on a PCB in one process, and provides the solder paste printer for the PCB.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a solder paste printing machine for a circuit board comprises a solder paste printing machine frame, wherein a distribution box is arranged on the solder paste printing machine frame, mounting openings are formed in two sides of the solder paste printing machine frame, a circuit board conveying device is mounted on each of the two mounting openings, a circuit board solder paste brushing device is arranged on the solder paste printing machine frame and comprises a positioning plate, a scraper device is arranged under the positioning plate, vertically arranged first oil cylinders are fixed on two sides of the top surface of the scraper device, the tops of the two first oil cylinders are fixed on the bottom surface of the positioning plate, air cylinders are vertically fixed on two sides of the middle part of the bottom surface of the positioning plate, a first baffle and a second baffle are respectively fixed at the bottoms of the two air cylinders, a first servo motor is fixed in the middle of the side surface of the first baffle, a rotating base is fixed in the middle of the side surface of the second baffle, and a second oil cylinder is, and material clamping plates are fixed on the output shaft of the first servo motor and the output shaft of the second oil cylinder, and a material guide mechanism is arranged below the material clamping plates.
Preferably, the guide mechanism includes the location base, location base fixed mounting is in tin cream printing machine frame, and the equal fixed side shield in location base top surface both sides, every equal distance runs through there are six bearings, two relative on the side shield equal fixedly connected with guide axle on the bearing, every the equal fixedly connected with drive gear of guide axle one end, two liang drive gear all meshes together, is located be equipped with output shaft rather than fixedly connected's second servo motor on the other end of the guide axle of side shield tip.
Preferably, a roof is fixed on the top of the frame of the solder paste printer and made of stainless steel.
Preferably, the rotating base comprises a cylindrical base, the cylindrical base is fixed on the side face of the material clamping plate, a cylindrical cavity is arranged in the middle of the top face of the cylindrical base, a ball retainer is placed in the cylindrical cavity, six balls are arranged on the ball retainer, a retaining ring is fixed at the top of the side face of the cylindrical cavity, and a rotating column fixedly connected with the side face of the retaining ring and the ball retainer is inserted in the retaining ring.
Preferably, the first baffle and the second baffle are the same in size and shape, and are both square.
Preferably, each guide shaft is made of stainless steel, and the surface of each guide shaft is polished.
Compared with the prior art, the invention has the following beneficial effects: when the tin paste printing machine conducts tin paste printing, a circuit board to be printed can be conveyed to a material guide mechanism in a tin paste brushing device of the circuit board through a circuit board conveying device on a mounting opening, the circuit board can be clamped by the two material clamping plates under the action of the second oil cylinder, the circuit board after being clamped can be brushed with tin by the scraper device, after the tin brushing on the front surface of the circuit board is completed, the air cylinder is shortened, the two material clamping plates can clamp the circuit board and stop after rising to a proper position, then the first servo motor can rotate, the circuit board can be turned over to one surface, then the air cylinder extends, the material clamping plates are restored to the original position, the scraper device can brush tin on the other surface of the circuit board, and the defect that the tin paste printing machine cannot conduct double-surface tin brushing on the circuit board in one process is overcome.
Drawings
FIG. 1 is a schematic side view of a solder paste printer for a circuit board according to the present invention;
FIG. 2 is a schematic view of a front view of a solder paste printer for a circuit board according to the present invention;
FIG. 3 is a schematic structural diagram of a solder paste brushing apparatus for a circuit board in a solder paste printer for a circuit board according to the present invention;
FIG. 4 is a cross-sectional view of a rotary base in a solder paste printer for a circuit board according to the present invention.
In the figure: the solder paste printing machine comprises a frame 1 of the solder paste printing machine, a distribution box 2, a mounting port 3, a circuit board conveying device 4, a positioning plate 5, a scraper device 6, a first oil cylinder 7, an air cylinder 8, a first baffle plate 9, a second baffle plate 10, a first servo motor 11, a rotating base 12, a cylindrical base 121, a cylindrical cavity 122, a ball retainer 123, balls 124, a baffle ring 125, a rotating column 126, a second oil cylinder 13, a material clamping plate 14, a positioning base 15, a side baffle plate 16, a bearing 17, a material guide shaft 18, a transmission gear 19, a second servo motor 20 and a roof 21.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
As shown in figures 1-4, a solder paste printer for a circuit board comprises a solder paste printer frame 1, a distribution box 2 is arranged on the solder paste printer frame 1, mounting ports 3 are respectively arranged on two sides of the solder paste printer frame 1, a circuit board transmission device 4 is respectively arranged on the two mounting ports 3, a circuit board solder paste brushing device is arranged on the solder paste printer frame 1 and comprises a positioning plate 5, a scraper device 6 is arranged under the positioning plate 5, first oil cylinders 7 which are vertically arranged are respectively fixed on two sides of the top surface of the scraper device 6, the tops of the two first oil cylinders 7 are respectively fixed on the bottom surface of the positioning plate 5, air cylinders 8 are respectively vertically fixed on two sides of the middle part of the bottom surface of the positioning plate 5, a first baffle 9 and a second baffle 10 are respectively fixed at the bottoms of the two air cylinders 8, the first baffle 9 and the second baffle 10 are respectively identical in size and shape, and the first baffle 9 and the second baffle 10 are respectively arranged, a first servo motor 11 is fixed in the middle of the side surface of a first baffle 9, a rotating base 12 is fixed in the middle of the side surface of a second baffle 10, a second oil cylinder 13 is arranged on the rotating base 12, a material clamping plate 14 is fixed on an output shaft of the first servo motor 11 and an output shaft of the second oil cylinder 13, a material guiding mechanism is arranged below the material clamping plate 14, a control device for controlling the first oil cylinder 7, the air cylinder 8, a scraper device 6, the first servo motor 11 and the second servo motor 20 is arranged in a distribution box 2 on a tin paste printing machine frame 1, a circuit board to be brushed with tin is conveyed to the material guiding mechanism in the circuit board tin brushing device by a circuit board conveying device 4, the second oil cylinder 13 extends to push the material clamping plate 14 to clamp the circuit board tightly, then the scraper device 6 brushes the front surface of the circuit board clamped by the material clamping plate 14, brushes the front surface of the tin, a controller in the distribution box 2 controls the air cylinder 8, then first servo motor 11 begins to rotate, and cooperation rotating base 12 alright with the circuit board front upset to the below, with the circuit board back upset to the top, after the upset action was accomplished, cylinder 8 extension made press from both sides flitch 14 and resume to original position, then scraper device 6 brushes tin to the circuit board back to make circuit board use tin cream printing machine can brush tin with circuit board front and back in a working process, improved the brush tin efficiency of circuit board.
The material guiding mechanism comprises a positioning base 15, the positioning base 15 is fixedly arranged on a frame 1 of the solder paste printing machine, side baffles 16 are respectively fixed on two sides of the top surface of the positioning base 15, six bearings 17 penetrate through each side baffle 16 at equal distance, material guiding shafts 18 are respectively fixedly connected on two opposite bearings 17, one end of each material guiding shaft 18 is respectively and fixedly connected with a transmission gear 19, every two transmission gears 19 are meshed together, a second servo motor 20 fixedly connected with an output shaft is arranged on the other end of the material guiding shaft 18 positioned at the end part of the side baffle 16, after the circuit board is brushed with tin, the second servo motor 20 is controlled by a control device of the distribution box 2, the second servo motor 20 starts to rotate, the material guiding shafts 18 are driven by the second servo motor 20 to rotate, the transmission gears 19 on the material guiding shafts 18 can drive the six material guiding shafts 18 to rotate in the same direction, and the material guiding shafts 18 can convey the circuit board to the circuit board conveying device 4, and then the circuit board is conveyed to the outside of the solder paste printer body by the circuit board conveying device 4.
A roof 21 is fixed on the top of the solder paste printer frame 1, the roof 21 is made of stainless steel, the roof 21 is fixed on the top of the solder paste printer frame 1, and the roof 21 plays a role in dust prevention.
The rotating base 12 comprises a cylindrical base 121, the cylindrical base 121 is fixed on the side surface of the material clamping plate 14, a cylindrical cavity 122 is arranged in the middle of the top surface of the cylindrical base 121, a ball retainer 123 is placed in the cylindrical cavity 122, six balls 124 are arranged on the ball retainer 123, a baffle ring 125 is fixed on the top of the side surface of the cylindrical cavity 122, a rotating column 126 fixedly connected with the ball retainer 123 in side surface is inserted in the baffle ring 125, the rotating base 12 is arranged to facilitate the overturning of the material clamping plate 14, when the material clamping plate 14 is driven by the first servo motor 11 to overturn, the rotating column 126 can enable the second oil cylinder 13 to rotate along with the cooperation of the ball retainer 123 and the balls 124, and the balls 124 reduce the friction force generated when the rotating column 126 rotates.
Each guide shaft 18 is made of stainless steel, and the surface of each guide shaft 18 is polished, so that the transmission of the circuit board can be facilitated by polishing the surface of each guide shaft 18.
The working principle is as follows: when the solder paste printing machine for the circuit board performs solder paste printing, the circuit board to be printed can be conveyed to a material guide mechanism in a circuit board solder paste brushing device through the circuit board conveying device 4 on the mounting port 3, the circuit board can be clamped by the two clamping plates 14 under the action of the second oil cylinder 13, the circuit board after being clamped can be brushed with solder by the scraper device 6, after the front surface of the circuit board is brushed with solder, the air cylinder 8 is shortened, the two clamping plates 14 can clamp the circuit board and stop after rising to a proper position, then the first servo motor 11 can rotate, so that the circuit board can be overturned to one surface, the air cylinder 8 extends, the clamping plates 14 are restored to the original position, and the scraper device 6 can brush solder on the other surface of the circuit board, thereby the defect that the solder paste printing machine can not brush double-sided solder on the PCB in one process is perfected.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A solder paste printing machine for a circuit board comprises a solder paste printing machine frame (1), wherein a distribution box (2) is arranged on the solder paste printing machine frame (1), mounting ports (3) are respectively arranged on two sides of the solder paste printing machine frame (1), and a circuit board conveying device (4) is respectively arranged on the two mounting ports (3), the solder paste printing machine is characterized in that a circuit board solder paste brushing device is arranged on the solder paste printing machine frame (1) and comprises a positioning plate (5), a scraper device (6) is arranged under the positioning plate (5), first oil cylinders (7) which are vertically arranged are respectively fixed on two sides of the top surface of the scraper device (6), the tops of the two first oil cylinders (7) are respectively fixed on the bottom surface of the positioning plate (5), air cylinders (8) are respectively vertically fixed on two sides of the middle part of the bottom surface of the positioning plate (5), and first baffle plates (9) and second baffle plates (10) are respectively fixed on the bottoms of the two air cylinders, the improved baffle plate is characterized in that a first servo motor (11) is fixed in the middle of the side face of the first baffle plate (9), a rotating base (12) is fixed in the middle of the side face of the second baffle plate (10), a second oil cylinder (13) is arranged on the rotating base (12), a clamping plate (14) is fixed on an output shaft of the first servo motor (11) and an output shaft of the second oil cylinder (13), and a material guide mechanism is arranged below the clamping plate (14).
2. The solder paste printer according to claim 1, wherein the material guiding mechanism comprises a positioning base (15), the positioning base (15) is fixedly mounted on the frame (1) of the solder paste printer, side baffles (16) are fixed on both sides of the top surface of the positioning base (15), six bearings (17) penetrate through each side baffle (16) at equal distances, material guiding shafts (18) are fixedly connected to two opposite bearings (17), one end of each material guiding shaft (18) is fixedly connected with a transmission gear (19), every two transmission gears (19) are meshed together, and a second servo motor (20) fixedly connected with an output shaft is arranged at the other end of the material guiding shaft (18) at the end of the side baffle (16).
3. The solder paste printer for circuit board according to claim 1, wherein a ceiling (21) is fixed on the top of the solder paste printer frame (1), and the ceiling (21) is made of stainless steel.
4. The solder paste printer according to claim 1, wherein the rotating base (12) comprises a cylindrical base (121), the cylindrical base (121) is fixed on the side surface of the material clamping plate (14), a cylindrical cavity (122) is arranged in the middle of the top surface of the cylindrical base (121), a ball holder (123) is placed in the cylindrical cavity (122), six balls (124) are arranged on the ball holder (123), a baffle ring (125) is fixed on the top of the side surface of the cylindrical cavity (122), and a rotating column (126) with a side surface fixedly connected with the ball holder (123) is inserted in the baffle ring (125).
5. A machine according to claim 1, characterised in that the first (9) and second (10) baffles are of the same size and shape and that the first (9) and second (10) baffles are square.
6. The solder paste printer for circuit board according to claim 1, wherein each of said feed shafts (18) is made of stainless steel, and the surface of each of said feed shafts (18) is polished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910955129.0A CN110588144A (en) | 2019-10-09 | 2019-10-09 | Solder paste printing machine for circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910955129.0A CN110588144A (en) | 2019-10-09 | 2019-10-09 | Solder paste printing machine for circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110588144A true CN110588144A (en) | 2019-12-20 |
Family
ID=68866143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910955129.0A Pending CN110588144A (en) | 2019-10-09 | 2019-10-09 | Solder paste printing machine for circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110588144A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111300978A (en) * | 2020-03-04 | 2020-06-19 | 黄碧芳 | Double-sided red glue reworking, scanning and covering-pasting solder paste printing machine for circuit board |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010280222A (en) * | 2010-07-30 | 2010-12-16 | Sony Corp | Screen printing apparatus |
| CN102862377A (en) * | 2012-10-16 | 2013-01-09 | 昆山双特科技有限公司 | Full-automatic two-sided silk-screen printing integrated machine |
| CN203358019U (en) * | 2013-07-10 | 2013-12-25 | 上海佳升清洁用品有限公司 | Automatic double-sided turnover screen printing machine |
| CN206475564U (en) * | 2017-02-15 | 2017-09-08 | 广州启教玩具礼品有限公司 | A kind of automatic turning screen printer |
| JP2018111284A (en) * | 2017-01-13 | 2018-07-19 | 株式会社Ｆｕｊｉ | Screen printer |
-
2019
- 2019-10-09 CN CN201910955129.0A patent/CN110588144A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010280222A (en) * | 2010-07-30 | 2010-12-16 | Sony Corp | Screen printing apparatus |
| CN102862377A (en) * | 2012-10-16 | 2013-01-09 | 昆山双特科技有限公司 | Full-automatic two-sided silk-screen printing integrated machine |
| CN203358019U (en) * | 2013-07-10 | 2013-12-25 | 上海佳升清洁用品有限公司 | Automatic double-sided turnover screen printing machine |
| JP2018111284A (en) * | 2017-01-13 | 2018-07-19 | 株式会社Ｆｕｊｉ | Screen printer |
| CN206475564U (en) * | 2017-02-15 | 2017-09-08 | 广州启教玩具礼品有限公司 | A kind of automatic turning screen printer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111300978A (en) * | 2020-03-04 | 2020-06-19 | 黄碧芳 | Double-sided red glue reworking, scanning and covering-pasting solder paste printing machine for circuit board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191220 |