CN112356564A - Solder paste printing scraper - Google Patents
Solder paste printing scraper Download PDFInfo
- Publication number
- CN112356564A CN112356564A CN202011276850.6A CN202011276850A CN112356564A CN 112356564 A CN112356564 A CN 112356564A CN 202011276850 A CN202011276850 A CN 202011276850A CN 112356564 A CN112356564 A CN 112356564A
- Authority
- CN
- China
- Prior art keywords
- guide
- guide rail
- component
- scraper
- upright post
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- 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.)
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/44—Squeegees or doctors
- B41F15/46—Squeegees or doctors with two or more operative parts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
A solder paste printing scraper belongs to the technical field of integrated circuit manufacturing and comprises a scraper component, a guide rail component and a driving component, wherein the scraper component is installed on the guide component, the guide component slides on the guide rail component in a reciprocating mode, the guide component is connected with the driving component, and the driving component drives the guide component to do reciprocating motion. The scraper subassembly includes scraper, erection joint, front column, guiding hole and back stand, and the scraper has two. The guide assembly comprises a guide piece, a central shaft, a guide rod, a central upright post, a cover plate, a circular truncated cone and a nut, and the center of the guide piece is provided with a central column. The guide rail assembly comprises a pair of side plates, an upper guide rail and a lower guide rail, wherein the side plates are respectively positioned at two ends of the guide rod. The driving assembly comprises a motor, a rocker arm and a connecting rod, an output shaft of the motor is connected with the rocker arm, the other end of the rocker arm is hinged with the connecting rod, the other end of the connecting rod is connected with the circular table, and the cover plate is driven by the circular table to do reciprocating motion.
Description
Technical Field
The invention belongs to the technical field of integrated circuit manufacturing, and particularly relates to a solder paste printing scraper.
Background
Solder paste printing is an important link in the manufacturing process of integrated circuits, a large amount of full-automatic solder paste printing equipment is available at present, of course, semi-automatic solder paste printing tools are used in small and medium-scale production fields, the solder paste printing tools use templates to print solder paste on circuit boards, one-time solder paste printing operation can be completed only by completing one reciprocating motion of a scraper assembly, and the completion of one reciprocating operation is usually realized by using a large amount of complex actuating cylinders, so that the mechanism is complex, and the mechanism failure rate is high easily.
Disclosure of Invention
The present invention provides a solder paste printing scraper to solve the above problems in the background art.
The technical problem solved by the invention is realized by adopting the following technical scheme:
the utility model provides a solder paste printing scraper, includes scraper subassembly, direction subassembly, guide rail subassembly and drive assembly, and the scraper unit mount is on the direction subassembly, and the direction subassembly is reciprocating sliding on the guide rail subassembly, and the drive assembly is connected to the direction subassembly, and drive assembly drive direction subassembly reciprocating motion.
The scraper subassembly includes the scraper, the erection joint, the front column, guiding hole and back stand, the scraper has two, every scraper top has a pair of erection joint, two scrapers pass through the erection joint and install respectively on front column and back stand, the length of front column and back stand is unanimous, all there is the guiding hole on front column and the back stand, the guiding hole of front column is located well upper portion, the guiding hole of back stand is located well lower part, the guiding hole configuration of two stands is installed behind the direction subassembly, the position difference of two scrapers has just been formed, it facilitates to adjust for the work of two scrapers. The guide assembly comprises a guide piece, a central shaft, guide rods, a central upright post, a cover plate, a circular truncated cone and a nut, wherein the central post is arranged in the center of the guide piece, the guide piece can rotate on the central post, the two ends of the guide piece are respectively provided with one guide rod, and the two ends of each guide rod move in the guide rail assembly respectively. The central shaft is upwards connected with a pair of central columns, the guide rod and the central columns upwards penetrate through the cover plate, the cover plate is erected on the guide rail assembly, the middle of the front side of the top of the cover plate is provided with a circular truncated cone which is connected with the driving part, and the central columns are fixed on the cover plate through nuts. The guide rail assembly comprises a side plate, an upper guide rail and a lower guide rail, the side plate is provided with a pair of side plates which are respectively positioned at two ends of the guide rod, the side plate is provided with the upper guide rail and the lower guide rail, the upper guide rail is the movement track of the scraper corresponding to the front upright column, and the lower guide rail is the movement track of the scraper corresponding to the rear upright column. The upper guide rail and the lower guide rail are in the shape of the same parallelogram, and the front end of the upper guide rail is a bevel edge inclined towards the front lower part. The upper guide rail is positioned at the front upper part of the lower guide rail. Of course, the spacing between the upper and lower rails should be designed in harmony with the size of the guide piece. The bevel edge of the rear end of the upper guide rail and the bevel edge of the rear end of the lower guide rail are positioned on a circumference which takes the central shaft as the center of a circle. The driving assembly comprises a motor, a rocker arm and a connecting rod, an output shaft of the motor is connected with the rocker arm, the other end of the rocker arm is hinged with the connecting rod, the other end of the connecting rod is connected with the circular table, and the cover plate is driven by the circular table to do reciprocating motion.
Furthermore, the number of the guide pieces is 1-5.
Furthermore, both sides of the cover plate are provided with downward bent edges, and the bent edges of the cover plate play a limiting role in the movement of the cover plate on the guide rail assembly.
The invention has the beneficial effects that:
the invention is used for the printing operation of the integrated circuit solder paste, is particularly suitable for the manufacturers of medium and small integrated circuits, utilizes a simple crank link mechanism to drive the scraper components to reciprocate, and the guide rail component which is designed skillfully can automatically control the two scrapers to alternately change the positions up and down to complete the printing of the solder paste and the recovery operation of redundant solder paste.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a right side view of the present invention;
FIG. 3 is an exploded view of the present invention;
in the figure: 10. the scraper assembly comprises a scraper component 11, a scraper 12, a mounting joint 13, a front upright post 14, a guide hole 15, a rear upright post 20, a guide assembly 21, a guide sheet 22, a central shaft 23, a guide rod 24, a central upright post 25, a cover plate 26, a circular table 27, a nut 30, a guide rail component 31, a side plate 31, an upper guide rail 32, a lower guide rail 33, a driving component 40, a motor 41, a rocker arm 42 and a connecting rod 43.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Referring to fig. 1-3, the solder paste printing doctor blade includes a doctor blade assembly 10, a guide assembly 20, a guide rail assembly 30 and a driving assembly 40, wherein the doctor blade assembly 10 is mounted on the guide assembly 20, the guide assembly 20 slides back and forth on the guide rail assembly 30, the guide assembly 20 is connected with the driving assembly 40, and the driving assembly 40 drives the guide assembly 20 to move back and forth.
The scraper component 10 comprises two scrapers 11, mounting joints 12, a front upright column 13, guide holes 14 and a rear upright column 15, wherein the two scrapers 11 are provided with a pair of mounting joints 12 above each scraper 11, the two scrapers 11 are respectively mounted on the front upright column 13 and the rear upright column 15 through the mounting joints 12, the front upright column 13 and the rear upright column 15 are consistent in length, the front upright column 13 and the rear upright column 15 are respectively provided with the guide holes 14, the guide holes 14 of the front upright column 13 are positioned at the middle upper part, the guide holes 14 of the rear upright column 15 are positioned at the middle lower part, and the guide holes 14 of the two upright columns are configured and mounted behind the guide component 20, so that the azimuth difference of the two scrapers 11 is formed, and convenience is provided for the working.
The guide assembly 20 comprises guide pieces 21, a central shaft 22, guide rods 23, a central upright post 24, a cover plate 25, a circular truncated cone 26 and nuts 27, wherein the number of the guide pieces 21 is 1-5, the central post 22 is arranged in the center of each guide piece 21, the guide pieces 21 can rotate on the central post 22, the guide rods 23 are respectively arranged at two ends of each guide piece 21, and two ends of each guide rod 23 respectively move in the guide rail assembly 30. The central shaft 22 is connected with a pair of central columns 24 upwards, the guide rod 23 and the central columns 24 both penetrate through the cover plate 25 upwards, the cover plate 25 is erected on the guide rail assembly 30, two sides of the cover plate 25 are provided with downward bent edges, the bent edges of the cover plate 25 play a limiting role in limiting the movement of the cover plate 25 on the guide rail assembly 30, the middle of the front side of the top of the cover plate 25 is provided with a circular truncated cone 26, the circular truncated cone 26 is connected with the driving part 40, the central columns 24 are fixed on the cover plate 25 through nuts 27, and the central columns 24 control the rotation centers of the guide pieces 21 at the same height, so that the rotation of two ends.
The guide rail assembly 30 includes a pair of side plates 31, an upper guide rail 32 and a lower guide rail 33, the side plates 31 are respectively located at two ends of the guide rod 23, the side plates 31 have the upper guide rail 32 and the lower guide rail 33, the upper guide rail 32 is a movement track of the scraper 11 corresponding to the front upright 13, and the lower guide rail 33 is a movement track of the scraper 11 corresponding to the rear upright 15. The upper rail 32 and the lower rail 33 have the same parallelogram shape, the front end of the upper rail 32 is a hypotenuse inclined forward and downward, the rear end of the upper rail 32 is a hypotenuse inclined rearward and upward, and the guide rod 23 reciprocates in the upper rail 32 or the lower rail 33. The upper rail 32 is located forward and upward of the lower rail 33. Of course, the spacing between the upper rail 32 and the lower rail 33 should be designed in accordance with the size of the guide piece 21. The oblique sides of the rear ends of the upper and lower rails 32 and 33 are located on the circumference centered on the central axis 22, so that the movement of the guide bars 23 at both ends of the guide piece 21 rotating about the central axis 22 is naturally on the circumference centered on the central axis 22.
The driving assembly 40 comprises a motor 41, a rocker 42 and a connecting rod 43, an output shaft of the motor 41 is connected with the rocker 42, the other end of the rocker 42 is hinged with the connecting rod 43, the other end of the connecting rod 43 is connected with the circular truncated cone 26, and the cover plate 25 is driven to reciprocate through the circular truncated cone 26.
The working principle of the invention is as follows: when the guide bar 23 corresponding to the front scraper 11 is located on the upper sliding groove of the upper guide rail 32, the front scraper 11 is separated from the flat plate at the bottom of the scraper 11, and when the guide bar 23 corresponding to the front scraper 11 is located on the lower sliding groove of the upper guide rail 32, the front scraper 11 is tightly attached to the flat plate at the bottom of the scraper 11, and at this time, solder paste can be printed. Accordingly, the movement relationship of the blade 11 on the rear side is similar to that of the blade 11 on the front side. When the doctor assembly 10 moves backward, the front doctor blade 11 is located at the lower position, the rear doctor blade 11 is located at the upper position, when the doctor assembly 10 is located at the rear end, the guide bar 23 corresponding to the front doctor blade 11 moves obliquely upward under the action of the rear oblique edge of the upper guide rail 32, and further, the guide piece 21 rotates under the limitation of the central shaft 22 and cannot swing, so that the rear doctor blade 11 moves obliquely downward, and the two doctor blades 11 exchange heights on the rear oblique edges of the upper guide rail 32 and the lower guide rail 33, respectively, and then, the doctor assembly 10 moves forward, and the rear doctor blade 11 recovers excess solder paste. The cover plate 25 reciprocates under the drive of the drive assembly 40, and the two scrapers 11 reciprocate and move up and down alternately under the limit of the guide rail assembly 30 to complete the circulating solder paste printing operation.
The above embodiments mainly describe the solder paste printing blade of the present invention. While only a limited number of embodiments and features have been described, those skilled in the art will recognize that the invention can be embodied in many other forms without departing from the spirit or scope thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, and various modifications and alternative arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims.
Claims (3)
1. A solder paste printing scraper comprises a scraper component (10), a guide component (20), a guide rail component (30) and a driving component (40), and is characterized in that the scraper component (10) is installed on the guide component (20), the guide component (20) slides on the guide rail component (30) in a reciprocating manner, the guide component (20) is connected with the driving component (40), the driving component (40) drives the guide component (20) to move in a reciprocating manner, the scraper component (10) comprises scrapers (11), installation sections (12), a front upright post (13), a guide hole (14) and a rear upright post (15), the scrapers (11) are provided with two, a pair of installation sections (12) is arranged above each scraper (11), the two scrapers (11) are respectively installed on the front upright post (13) and the rear upright post (15) through the installation sections (12), and the lengths of the front upright post (13) and the rear upright post (15) are consistent, the front upright post (13) and the rear upright post (15) are respectively provided with a guide hole (14), the guide hole (14) of the front upright post (13) is positioned at the middle upper part, the guide hole (14) of the rear upright post (15) is positioned at the middle lower part, the guide assembly (20) comprises a guide sheet (21), a central shaft (22), a guide rod (23), a central upright post (24), a cover plate (25), a circular truncated cone (26) and a nut (27), the central shaft (22) is arranged in the center of the guide sheet (21), the guide sheet (21) can rotate on the central shaft (22), two ends of the guide sheet (21) are respectively provided with one guide rod (23), two ends of each guide rod (23) respectively move in the guide rail assembly (30), the central shaft (22) is upwards connected with the pair of central upright posts (24), the guide rods (23) and the central upright posts (24) both upwards penetrate through the cover plate (25), and the cover plate, the middle of the front side of the top of the cover plate (25) is provided with a circular truncated cone (26), the circular truncated cone (26) is connected with a driving part (40), a central upright post (24) is fixed on the cover plate (25) through a nut (27), the middle of the front side of the top of the cover plate (25) is provided with the circular truncated cone (26), the circular truncated cone (26) is connected with the driving part (40), the central upright post (24) is fixed on the cover plate (25) through the nut (27), the guide rail assembly (30) comprises a side plate (31), an upper guide rail (32) and a lower guide rail (33), the side plate (31) is provided with a pair of guide rods (23) which are respectively positioned at two ends of the guide rod (23), the side plate (31) is provided with the upper guide rail (32) and the lower guide rail (33), the upper guide rail (32) is the movement track of the scraper (11) corresponding to the front upright post (13), the lower guide rail (33) is, the front end of the upper guide rail (32) is a bevel edge inclined towards the front lower side, the rear end of the upper guide rail (32) is a bevel edge inclined towards the rear upper side, the upper guide rail (32) is positioned at the front upper side of the lower guide rail (33), the bevel edge at the rear end of the upper guide rail (32) and the bevel edge at the rear end of the lower guide rail (33) are positioned on a circumference using the central shaft (22) as a circle center, the driving assembly (40) comprises a motor (41), a rocker arm (42) and a connecting rod (43), an output shaft of the motor (41) is connected with the rocker arm (42), the other end of the rocker arm (42) is hinged with the connecting rod (43), and the other end of the connecting rod.
2. Solder paste printing doctor blade according to claim 1, characterised in that the number of guide blades (21) is 1-5.
3. Solder paste printing doctor blade according to claim 1, characterised in that the cover plate (25) has downwardly directed bent edges on both sides, the bent edges of the cover plate (25) limiting the movement of the cover plate (25) on the guide rail assembly (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011276850.6A CN112356564B (en) | 2020-11-16 | 2020-11-16 | Solder paste printing scraper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011276850.6A CN112356564B (en) | 2020-11-16 | 2020-11-16 | Solder paste printing scraper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112356564A true CN112356564A (en) | 2021-02-12 |
| CN112356564B CN112356564B (en) | 2022-10-11 |
Family
ID=74515646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011276850.6A Active CN112356564B (en) | 2020-11-16 | 2020-11-16 | Solder paste printing scraper |
Country Status (1)
| Country | Link |
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| CN (1) | CN112356564B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10245635A1 (en) * | 2002-09-30 | 2004-04-08 | Osram Opto Semiconductors Gmbh | Silk screen printing unit driving two or more parallel squeegees at same time to apply print solution to substrate for manufacture of electroluminescent display screen |
| CN202805901U (en) * | 2012-10-10 | 2013-03-20 | 深圳市广晟德科技发展有限公司 | Semi-automatic solder paste printing machine |
| CN203004499U (en) * | 2012-11-19 | 2013-06-19 | 西安正昌电子有限责任公司 | Printing scraper knife moving mechanism of full-automatic printing machine |
| CN207207386U (en) * | 2017-09-28 | 2018-04-10 | 山东晶导微电子有限公司 | A kind of paste solder printing scraper device |
| CN108146061A (en) * | 2018-03-21 | 2018-06-12 | 安庆市龙珠包装有限公司 | Screen process press |
| CN109016805A (en) * | 2018-09-30 | 2018-12-18 | 深圳市易通智能自动化装备制造有限公司 | A kind of automated circuit plate printing machine |
| CN109016806A (en) * | 2018-09-30 | 2018-12-18 | 深圳市易通智能自动化装备制造有限公司 | A kind of improved circuit board printing machine |
| CN208664597U (en) * | 2018-07-21 | 2019-03-29 | 天津智新电子有限公司 | A kind of cleaning type stencil printer |
| CN111391482A (en) * | 2020-04-21 | 2020-07-10 | 昆山兑印机械有限公司 | Printing machine with curve is from version function |
-
2020
- 2020-11-16 CN CN202011276850.6A patent/CN112356564B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10245635A1 (en) * | 2002-09-30 | 2004-04-08 | Osram Opto Semiconductors Gmbh | Silk screen printing unit driving two or more parallel squeegees at same time to apply print solution to substrate for manufacture of electroluminescent display screen |
| CN202805901U (en) * | 2012-10-10 | 2013-03-20 | 深圳市广晟德科技发展有限公司 | Semi-automatic solder paste printing machine |
| CN203004499U (en) * | 2012-11-19 | 2013-06-19 | 西安正昌电子有限责任公司 | Printing scraper knife moving mechanism of full-automatic printing machine |
| CN207207386U (en) * | 2017-09-28 | 2018-04-10 | 山东晶导微电子有限公司 | A kind of paste solder printing scraper device |
| CN108146061A (en) * | 2018-03-21 | 2018-06-12 | 安庆市龙珠包装有限公司 | Screen process press |
| CN208664597U (en) * | 2018-07-21 | 2019-03-29 | 天津智新电子有限公司 | A kind of cleaning type stencil printer |
| CN109016805A (en) * | 2018-09-30 | 2018-12-18 | 深圳市易通智能自动化装备制造有限公司 | A kind of automated circuit plate printing machine |
| CN109016806A (en) * | 2018-09-30 | 2018-12-18 | 深圳市易通智能自动化装备制造有限公司 | A kind of improved circuit board printing machine |
| CN111391482A (en) * | 2020-04-21 | 2020-07-10 | 昆山兑印机械有限公司 | Printing machine with curve is from version function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112356564B (en) | 2022-10-11 |
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Effective date of registration: 20220919 Address after: Room 220, Creative Center, No. 69, Guangpu West Road, Huangpu District, Guangzhou City, Guangdong Province, 510663 (office only) Applicant after: Guangzhou Changshi Electronic Technology Co.,Ltd. Address before: 344100 workshop 3-4, caidu Industrial Park, Linchuan District, Fuzhou City, Jiangxi Province Applicant before: Jiangxi Shijing photoelectric Co.,Ltd. |
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