CN218966398U - Circuit board printing machine - Google Patents
Circuit board printing machine Download PDFInfo
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- CN218966398U CN218966398U CN202223135610.1U CN202223135610U CN218966398U CN 218966398 U CN218966398 U CN 218966398U CN 202223135610 U CN202223135610 U CN 202223135610U CN 218966398 U CN218966398 U CN 218966398U
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- circuit board
- guide groove
- conveying mechanism
- support member
- guide surface
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Abstract
The utility model discloses a circuit board printer which comprises a frame, wherein the frame is provided with a plurality of printing rollers, a plurality of printing rollers and a plurality of printing rollers, wherein the printing rollers are arranged on the printing rollers; the printing mechanism comprises a silk-screen plate and an ink scraper, and the lower end of the silk-screen plate is provided with a guide groove with the area continuously reduced from bottom to top; the horizontal conveying mechanism is arranged on the frame and is used for conveying the circuit board along the horizontal direction; the vertical conveying mechanism comprises a first power piece and a first supporting piece, the first supporting piece is arranged below the silk screen printing plate, and the first power piece is used for driving the first supporting piece to be close to the guide groove.
Description
Technical Field
The utility model relates to the field of circuit board production equipment, in particular to a circuit board printing machine.
Background
The modern solder paste printer generally comprises mechanisms such as a plate loading mechanism, a solder paste feeding mechanism, a stamping mechanism, a power transmission circuit board mechanism and the like, and the working principle of the modern solder paste printer 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 a corresponding bonding pad through a steel screen by a left scraping knife and a right scraping knife of the printer, and a PCB with uniform screen printing is input to a chip mounter through a transmission table for automatic chip mounting.
In the existing production process of an automatic solder paste printer, in order to prevent the conveyor belt from clamping the circuit board and affecting the conveying of the circuit board in the conveying process of the conveyor belt of the circuit board, the width of the conveyor belt is slightly larger than that of the circuit board or the conveyor belt is conveyed from one conveyor belt to the other conveyor belt, and the position of the circuit board can deviate in the conveying process, so that the defect of inaccurate printing sites is caused, and the quality of printing is reduced.
Disclosure of Invention
The utility model provides a circuit board printer, which aims to at least solve one of the technical problems existing in the prior art.
The technical scheme of the utility model is a circuit board printer, which comprises:
a frame;
the printing mechanism comprises a silk-screen plate and an ink scraping device, wherein the lower end of the silk-screen plate is provided with a guide groove with the area continuously reduced from bottom to top, the silk-screen plate is arranged on the frame, and the ink scraping device is used for coating the circuit board;
the horizontal conveying mechanism is arranged on the rack and is used for conveying the circuit board along the horizontal direction;
the vertical conveying mechanism comprises a first power piece and a first supporting piece, wherein the first supporting piece is arranged below the screen printing plate and is used for driving the first supporting piece to be close to the guide groove.
Further, the first support member is provided with a plurality of universal balls for supporting the circuit board.
Further, a plurality of the universal balls are adapted to the edge of the circuit board.
Further, the vertical conveying mechanism further comprises a second power piece and a second supporting piece, the second supporting piece is a flat plate, the second power piece and the second supporting piece are arranged on the first supporting piece, and the second power piece is used for driving the second supporting piece to be close to the guide groove.
Further, the flat plate is provided with a buffer layer, and the buffer layer is arranged at the upper end of the flat plate.
Further, the horizontal conveying mechanism comprises a first conveying belt and a second conveying belt, the first conveying belt and the second conveying belt are respectively arranged on the front side and the rear side of the frame, and the vertical conveying mechanism is arranged between the first conveying belt and the second conveying belt.
Further, the guide groove is provided with a first inclined guide surface and a second inclined guide surface, the first inclined guide surface is arranged on the left side of the guide groove, the second inclined guide surface is arranged on the right side of the guide groove, and the first inclined guide surface and the second inclined guide surface are matched to enable the circuit board to tend to the printing surface of the screen printing plate.
Further, the first power piece is a telescopic cylinder.
Further, the first support piece is provided with a sliding rod, the frame is provided with a sliding hole, and the sliding rod moves up and down along the sliding hole.
The beneficial effects of the utility model are as follows.
1. The circuit boards are conveyed to the position right below the printing mechanism one by one through the horizontal conveying mechanism, the first power piece of the vertical conveying mechanism drives the first supporting piece to move upwards, so that the first supporting piece drives the circuit boards to be close to the screen printing plate, the inner area of the guide groove is continuously reduced when the circuit boards move upwards, the circuit boards with inaccurate positions are gradually aligned with the printing positions of the screen printing plate, and the printing precision of the circuit boards is effectively improved; after printing is finished, the first power piece drives the first supporting piece to descend, so that the circuit board returns to the horizontal conveying mechanism again.
Drawings
FIG. 1 is a schematic view showing the overall structure of a circuit board printer according to an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of a circuit board printer according to an embodiment of the present utility model;
fig. 3 is a schematic view of the structure of the frame and vertical transport mechanism according to the embodiment of the present utility model.
Reference numerals:
a frame 100;
a printing mechanism 200, a screen plate 210, and an ink scraper 220;
a horizontal conveyance mechanism 300, a first conveyor 310, a second conveyor 320;
the vertical conveyance mechanism 400, the first power member 410, the first support member 420, the universal ball 421, the slide bar 422, the second power member 430, and the second support member 440.
Detailed Description
The following description will describe several embodiments of the present utility model, including the embodiments corresponding to the accompanying drawings, it being understood that the drawings are for aiding in the understanding of the technical features and technical solutions of the present utility model, and should not be construed as limiting the scope of the present utility model.
The conception, specific structure, and technical effects produced by the present utility model will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, aspects, and effects of the present utility model. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.
It should be noted that, unless explicitly defined otherwise, when a certain feature is referred to as being "fixed," "connected," or "mounted" on another feature, it may be directly fixed or connected to the other feature or may be indirectly fixed or connected to the other feature, and the terms such as "fixed," "connected," or "mounted" should be interpreted broadly, so that those skilled in the art can reasonably determine the specific meaning of the terms in the present utility model in combination with the specific contents of the technical scheme.
It should be noted that, the description of the orientation or positional relationship indicated by the upper, lower, left, right, top, bottom, front, rear, inner, outer, etc. used in the present utility model is based on the orientation or positional relationship of the drawings or the embodiments, only for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in the specific orientation, and thus should not be construed as limiting the present utility model.
It is noted that the term "and/or" as used in the present utility model includes any combination of one or more of the listed items, a plurality of means one or more, a plurality of means two or more, greater than, less than, exceeding, etc. are understood to exclude this number, and above, below, within, etc. are understood to include this number.
It should be noted that, if the first and second descriptions are only used for distinguishing technical features in the present utility model, the description should not be construed as indicating or implying relative importance or implying the number of the indicated technical features or implying the precedence relationship of the indicated technical features.
It is to be understood that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art unless explicitly defined otherwise. The terminology used in the description presented herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
Referring to fig. 1-3, a basic embodiment of a first aspect of the present utility model provides a circuit board printer, comprising:
a frame 100;
the printing mechanism 200 comprises a silk-screen plate 210 and an ink scraper 220, wherein a guide groove with continuously reduced inner area from bottom to top is arranged at the lower end of the silk-screen plate 210;
the horizontal conveying mechanism 300 is arranged on the frame 100, and the horizontal conveying mechanism 300 is used for conveying the circuit board along the horizontal direction;
the vertical conveying mechanism 400 comprises a first power piece 410 and a first supporting piece 420, the first supporting piece 420 is arranged below the screen printing plate 210, and the first power piece 410 is used for driving the first supporting piece 420 to be close to the guide groove.
According to the circuit board printer of the basic embodiment of the first aspect of the utility model, the circuit boards are conveyed to the position right below the printing mechanism 200 one by one through the horizontal conveying mechanism, the first power piece 410 of the vertical conveying mechanism drives the first supporting piece 420 to move upwards, so that the first supporting piece 420 drives the circuit boards to be close to the screen printing plate 210, the area of the guide groove is continuously reduced when the circuit boards move upwards, the circuit boards with inaccurate positions are gradually aligned with the printing positions of the screen printing plate 210, and the printing precision of the circuit boards is effectively improved; after printing is completed, the first power member 410 drives the first support member 420 to descend, so that the circuit board returns to the horizontal conveying mechanism 300 again.
It can be understood that the inner area is a horizontal plane cutting the guide groove, wherein the area of the slot hole is the inner area of the guide groove, and the inner area gradually decreases to enable the guide groove to be in a structure gradually shrinking from bottom to top.
In some embodiments, the first support 420 is provided with a plurality of gimbals 421 for the gimbals 421 to support the circuit board. The universal balls 421 with bearing capacity are fixed on the first supporting piece 420 to form a platform at a certain density, and the rolling of the universal balls 421 is flexible, so that a circuit board running on the universal balls can slide very flexibly, friction force between the first supporting piece 420 and the circuit board is reduced in the upward movement process of the circuit board, the guide groove can drive the circuit board to tend to the center of the guide groove, the circuit board can move to a correct position accurately, and the printing precision of the circuit board is improved.
In some embodiments, a plurality of universal balls 421 are adapted to the edge of the circuit board. It will be appreciated that the gimbal 421 is disposed along the edge of the circuit board and that the circuit board can support the edge of the circuit board to maintain balance of the circuit board as a whole.
In some embodiments, the vertical conveying mechanism further includes a second power member 430 and a second support member 440, the second support member 440 is a flat plate, the second power member 430 and the second support member 440 are disposed on the first support member 420, and the second power member 430 is used for driving the second support member 440 to approach the guide groove. The second power part 430 drives the second supporting part 440 to move upwards, so that the second supporting part 440 can support a circuit board, the first supporting part 420 is a universal ball 421, the circuit board can be cheaply arranged on the universal ball 421 when the circuit board passes through the guide slot, the second power part 430 and the second supporting part 440 are arranged above, when the first supporting part 420 moves in place, the second power part 430 drives the second supporting part 440 to move upwards, a flat plate of the second supporting part 440 is abutted against the circuit board, and the supporting of the circuit board is changed from point contact to surface contact, so that the stability of silk screen printing is improved.
In some embodiments, the plate is provided with a buffer layer, which is provided at the upper end of the plate. The buffer layer may be made of an elastic material such as rubber or silicone to prevent the second support 440 from being excessively forced, resulting in damage to the circuit board.
In some embodiments, the horizontal conveyance mechanism 300 includes a first conveyor 310 and a second conveyor 320, the first conveyor 310 and the second conveyor 320 being provided on front and rear sides of the frame 100, respectively, and the vertical conveyance mechanism 400 being provided between the first conveyor 310 and the second conveyor. The horizontal conveying mechanism 300 is provided with two conveying belts which respectively support two ends of the circuit board, and the vertical conveying mechanism 400 is arranged between the first conveying belt 310 and the second conveying belt 320, so that the vertical conveying mechanism can push the circuit board upwards from the middle part, and the second conveying belt 320 and the first conveying belt 310 cannot block the movement of the vertical conveying mechanism.
In some embodiments, the guide slot is provided with a first inclined guide surface and a second inclined guide surface, the first inclined guide surface is provided on the left side of the guide slot, the second inclined guide surface is provided on the right side of the guide slot, and the first inclined guide surface and the second inclined guide surface cooperate to enable the circuit board to tend towards the printing surface of the silk-screen plate 210.
Further, the guide groove is provided with a third inclined guide surface and a fourth inclined guide surface, the third inclined guide surface is arranged in front of the guide groove, and the fourth inclined guide surface is arranged behind the guide groove.
In some embodiments, the first power member 410 is a telescoping cylinder or a telescoping motor. The cylinder has higher transportation stability and is easy to control the travel.
In some embodiments, the first support 420 is provided with a sliding bar 422, and the frame 100 is provided with a sliding hole along which the sliding bar 422 moves up and down. The first support 420 can move along the sliding rod 422 in a predetermined direction, preventing the first support 420 from being shifted during the movement, resulting in a decrease in printing accuracy.
In some embodiments, the working principle of the present utility model is that the first conveying mechanism conveys the circuit board directly under the screen printing plate 210, the first power member 410 drives the first supporting member 420 to move upwards, the circuit board is driven to move upwards under the action of the guide groove, the circuit board continuously moves in the horizontal range until just matching with the screen printing plate 210, the first power member 410 stops working, the second power member 430 drives the second supporting member 440 to move upwards, the second supporting member 440 supports the circuit board until the circuit board is attached to the screen printing plate, the ink scraping device 220 works, the soldering paste is printed on the circuit board, the first power member 410 drives the first supporting member 420 to move downwards, the circuit board returns to the conveyor belt of the first conveying mechanism, and the circuit board of the first conveying mechanism is conveyed to the next working procedure. The whole processing process is fully automatic, manual operation is not needed, and the printing precision is high.
It is noted that terms like "one embodiment," "some embodiments," "base embodiments," "extended embodiments," and the like may be used throughout this specification to describe several embodiments of the utility model, as a particular feature, structure, material, or characteristic of the several embodiments may be combined without departing from the principles and spirit of the present utility model.
While there has been shown and described what is considered to be certain embodiments of the present utility model, it is to be understood that the utility model is not limited to the above-described embodiments, but is to be accorded the widest scope consistent with the principles and novel features of the present utility model.
Claims (9)
1. A circuit board printer, comprising:
a frame (100);
the printing mechanism (200) comprises a silk screen printing plate (210) and an ink scraping device (220), wherein a guide groove with the area continuously reduced from bottom to top is formed in the lower end of the silk screen printing plate (210), the silk screen printing plate (210) is arranged on the frame (100), and the ink scraping device (220) is used for coating a circuit board;
the horizontal conveying mechanism (300) is arranged on the rack (100), and the horizontal conveying mechanism (300) is used for conveying the circuit board along the horizontal direction;
the vertical conveying mechanism (400) comprises a first power piece (410) and a first supporting piece (420), wherein the first supporting piece (420) is arranged below the silk screen printing plate (210), and the first power piece (410) is used for driving the first supporting piece (420) to be close to the guide groove.
2. The circuit board printer according to claim 1, wherein the first support member (420) is provided with a plurality of universal balls (421), the universal balls (421) for supporting the circuit board.
3. Circuit board printer according to claim 2, characterized in that a plurality of said universal balls (421) are adapted to the edges of the circuit board.
4. The circuit board printer according to claim 2, wherein the vertical conveying mechanism further comprises a second power member (430) and a second support member (440), the second support member (440) is a flat plate, the second power member (430) and the second support member (440) are disposed on the first support member (420), and the second power member (430) is used for driving the second support member (440) to approach the guide groove.
5. The circuit board printer of claim 4, wherein the platen is provided with a buffer layer, the buffer layer being provided at an upper end of the platen.
6. The circuit board printer according to claim 1, wherein the horizontal conveying mechanism (300) includes a first conveyor belt (310) and a second conveyor belt (320), the first conveyor belt (310) and the second conveyor belt (320) are respectively provided on front and rear sides of the chassis (100), and the vertical conveying mechanism (400) is provided between the first conveyor belt (310) and the second conveyor belt.
7. The circuit board printer according to claim 1, wherein the guide groove is provided with a first inclined guide surface and a second inclined guide surface, the first inclined guide surface being provided on the left side of the guide groove, the second inclined guide surface being provided on the right side of the guide groove, the first inclined guide surface and the second inclined guide surface being engaged to bring the circuit board toward the printing surface of the screen printing plate (210).
8. The circuit board printer according to claim 1, wherein the first power member (410) is a telescopic cylinder.
9. The circuit board printer according to claim 1, wherein the first support member (420) is provided with a slide bar (422), the chassis (100) is provided with a slide hole, and the slide bar (422) moves up and down along the slide hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223135610.1U CN218966398U (en) | 2022-11-25 | 2022-11-25 | Circuit board printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223135610.1U CN218966398U (en) | 2022-11-25 | 2022-11-25 | Circuit board printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218966398U true CN218966398U (en) | 2023-05-05 |
Family
ID=86155273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223135610.1U Active CN218966398U (en) | 2022-11-25 | 2022-11-25 | Circuit board printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218966398U (en) |
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2022
- 2022-11-25 CN CN202223135610.1U patent/CN218966398U/en active Active
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| GR01 | Patent grant |