CN211909328U - Two-sided directly loses mechanism of board - Google Patents
Two-sided directly loses mechanism of board Download PDFInfo
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- CN211909328U CN211909328U CN202020279358.3U CN202020279358U CN211909328U CN 211909328 U CN211909328 U CN 211909328U CN 202020279358 U CN202020279358 U CN 202020279358U CN 211909328 U CN211909328 U CN 211909328U
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- etching
- box
- roller group
- lower roller
- frame
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Abstract
The utility model relates to a double-sided direct etching mechanism for a plate, which comprises an etching box, a feeding box and a discharging box, wherein the feeding box and the discharging box are respectively arranged at the left side and the right side; the etching box is internally provided with an upper roller set and a corresponding lower roller set on the front wall and the rear wall, the upper roller sets of the front wall and the rear wall are spaced, and the lower roller sets of the front wall and the rear wall are spaced; the upper roller group and the lower roller group on the front wall vertically clamp the front side edge of the clamping frame; the upper roller set and the lower roller set on the rear wall clamp the rear side edge of the clamping frame up and down; the upper roller set and the lower roller set clamp the edge of the clamping frame to drive the edge to move forward, and the upper part and the lower part of the clamping frame are respectively provided with a PCB (printed Circuit Board); in the etching box, a plurality of downward etching nozzles are arranged at the upper horizontal position of the upper roller group, and a plurality of upward etching nozzles are arranged at the lower horizontal position of the lower roller group. The utility model discloses the beneficial effect who reaches is: the position of the plate can not be disturbed, the etching is sufficient, the clamping is convenient, and two plates can be etched at one time.
Description
Technical Field
The utility model relates to a circuit board etching technical field, especially a board two-sided directly loses mechanism.
Background
The traditional mode is to etch the single surface of the PCB, and the working efficiency is low. To achieve double-sided etching, some companies use roller transmission, the board advances along with the rotation of the roller shaft, and the solution is sprayed on the PCB board from the top to the bottom through the gap of the roller shaft. However, due to the gap between the rollers, the roller cannot be used for some smaller plates or softer plates.
And for some thinner boards, when spraying, when the spraying pressure is higher, the position of the board on the roller shaft is easy to move, so that some positions are not easy to corrode, and the corrosion is not uniform enough.
Therefore, the double-sided direct etching tool is designed in the mode, the two PCB boards can be clamped at one time, and are etched together when an etching process is carried out, so that the etching efficiency is improved, and the double-sided direct etching tool is suitable for small-size or flexible boards.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a two-sided directly of board that board position can not move indiscriminately, the etching is abundant, the clamping is convenient, once only etch two boards erode the mechanism.
The purpose of the utility model is realized through the following technical scheme: a double-sided direct etching mechanism for a plate comprises an etching box, and a feeding box and a discharging box which are respectively arranged on the left side and the right side;
the etching box is characterized in that an upper roller set and a corresponding lower roller set are arranged on the inner front wall and the inner rear wall of the etching box, a space is reserved between the upper roller sets of the front wall and the rear wall, and a space is reserved between the lower roller sets of the front wall and the rear wall;
the upper roller group and the lower roller group on the front wall vertically clamp the front side edge of the clamping frame;
the upper roller set and the lower roller set of the rear wall clamp the rear side edge of the clamping frame up and down;
the upper roller set and the lower roller set clamp the edge of the clamping frame to drive the edge to advance, and the upper part and the lower part of the clamping frame are respectively provided with a PCB (printed Circuit Board);
in the etching box, a plurality of downward etching nozzles are arranged at the upper horizontal plane position of the upper roller group, and a plurality of upward etching nozzles are arranged at the lower horizontal plane position of the lower roller group.
Furthermore, a lower roller set is arranged in each of the feeding box and the discharging box and is horizontal to the lower roller set in the etching box;
and the lower roller set in the feeding box and the discharging box and the lower roller set in the etching box are driven by the same motor.
Furthermore, the upper roller set and the lower roller set respectively comprise a plurality of rollers which are arranged at intervals;
the roller comprises a cylinder, a rotating shaft and a gear, the cylinder is positioned in the etching box and is connected with one end of the rotating shaft, the rotating shaft penetrates through the wall of the etching box and is installed through a bearing, and the gear is installed at the other end of the rotating shaft;
all gears in the upper roller group are connected with a driving motor through the same chain;
all gears in the lower roller group are connected with another driving motor through another chain.
Furthermore, a roller group is arranged above the lower roller group in the feeding box, and the roller group and the lower roller group drive the clamping frame to enter the etching box together;
the roller group is arranged on the lower plate, the lower plate is connected with the upper plate through a spring, and the upper plate is fixed on the top wall of the feeding box through a hydraulic oil cylinder.
Preferably, the clamping frame comprises a middle plate, an upper frame and a lower frame, and the edges of the PCB are clamped on the middle plate by the four sides of the upper frame and the lower frame;
one end of the upper frame and one end of the lower frame are hinged to one end of the middle layer plate, and the other ends of the upper frame, the lower frame and the middle layer plate are locked through the lock catch and the bolt.
Preferably, the side walls of the four sides of the upper frame and the lower frame are provided with long waist-shaped holes for the etching solution to flow out.
The utility model has the advantages of it is following:
(1) in the etching box, the upper and lower roller sets of the front wall clamp the front side edge of the clamping frame, the upper and lower roller sets of the rear wall clamp the rear side edge of the clamping frame, the etching nozzles above and below can directly aim at the PCB for etching and washing, and the traditional structure can only carry out washing and etching from gaps of rollers, so the etching efficiency of the scheme is higher, and the effect is better;
(2) because the clamping frame is clamped in the etching box, even if the etching nozzle is under the condition of high hydraulic pressure, the PCB cannot jump, the etching effect of each position is kept consistent, and the etching is uniform;
(3) the structural design of the clamping frame enables the two plates to be washed at one time, improves the washing efficiency and has simple structure;
(4) in the feeding box, the roller group is structurally designed to initially position and press the clamping frame in the etching box, so that the clamping frame can smoothly enter the etching box and is clamped by the corresponding upper and lower roller groups.
Drawings
Fig. 1 is a schematic structural view of the utility model;
FIG. 2 is a schematic structural view of the clamping frame clamped between the upper roller set and the lower roller set;
FIG. 3 is a schematic structural view of the clamping frame placed on the lower roller set;
fig. 4 is a schematic structural view of the clamping frame.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1 to 4, the scheme discloses a double-sided direct etching mechanism for a plate, which comprises an etching box 1, and a feeding box 2 and a discharging box 3 which are respectively arranged on the left side and the right side and are horizontally communicated with each other left and right; and (3) placing the clamping frame 16 provided with the two PCB boards on the feeding box 2, then etching the PCB boards in the etching box 1, and finally discharging the PCB boards from the discharging box 3.
In the scheme, an upper roller set 4 and a corresponding lower roller set 5 are arranged on the front wall and an upper roller set 4 and a lower roller set 5 are also arranged on the rear wall in the etching box 1; the front and rear upper roller sets 4 are spaced apart from each other, and the front and rear lower roller sets 5 are spaced apart from each other. The purpose of this is: the upper roller group 4 and the lower roller group 5 on the front wall only vertically clamp the front side edge of the clamping frame 16; the rear side edge of the clamping frame 16 is clamped up and down by the upper roller set 4 and the lower roller set 5 of the rear wall; the upper surface and the lower surface of the clamping frame 16 are not blocked, so that the etching liquid can be directly aligned to the PCB for etching.
In this embodiment, a plurality of etching heads 7 are provided in the etching chamber 1 at positions above the upper roller group 4 and a plurality of etching heads 7 are provided at positions below the lower roller group 5.
In order to ensure the synchronism and enable the clamping frame 16 to advance in the etching box 1 at a uniform speed, and the etching is uniform and sufficient. In this embodiment, the upper roller set 4 and the lower roller set 5 each include a plurality of rollers disposed at intervals. The structure of the roller is as follows: the etching device comprises a cylinder 8, a rotating shaft 9 and a gear 10, wherein the cylinder 8 is positioned in an etching box 1 and is connected with one end of the rotating shaft 9, the rotating shaft 9 penetrates through the wall of the etching box 1 and is installed through a bearing, and the gear 10 is installed at the other end of the rotating shaft 9; all gears 10 in the upper roller group 4 are connected with a driving motor through the same chain 11; all the gears 10 in the lower roller set 5 are connected with another driving motor through another chain 11.
In order to realize feeding and discharging, a lower roller set 5 is arranged in each of the feeding box 2 and the discharging box 3, and the lower roller set 5 is horizontal to the lower roller set 5 in the etching box 1; and the lower roller set 5 in the feed box 2 and the discharge box 3 and the lower roller set 5 in the etching box 1 are driven by the same motor.
Since the clamping frame 16 itself has a certain thickness, it is not easy to be engaged and clamped by the upper roller set 4 and the lower roller set 5 in the etching chamber 1. For this purpose, a roller set 6 is arranged above the lower roller set 5 in the feeding box 2, and the roller set 6 and the lower roller set 5 drive a clamping frame 16 together into the etching box 1; the roller group 6 is arranged on a lower plate 12, the lower plate 12 is connected with an upper plate 14 through a spring 13, and the upper plate 14 is fixed on the top wall of the feeding box 2 through a hydraulic oil cylinder 15. During feeding, the roller set 6 presses the clamping frame 16 into the etching box 1 and is clamped by the corresponding upper roller set 4 and lower roller set 5.
In this embodiment, the structure of the clamping frame 16 is: the PCB comprises a middle layer board 601, an upper frame 602 and a lower frame 603, wherein the edges of the PCB are clamped on the middle layer board 601 by the four sides of the upper frame 602 and the lower frame 603; one end of the upper frame 602 and one end of the lower frame 603 are hinged to one end of the middle layer plate 601, and the other ends of the upper frame 602, the lower frame 603 and the middle layer plate 601 are locked by a lock 604 and a bolt 605.
Since the etching liquid flows out, long-waist-shaped holes 606 through which the etching liquid flows out are formed in the side walls on the four sides of the upper frame 602 and the lower frame 603.
In this embodiment, the discharge box 3 is provided with a control panel. The top of the etching box 1 is provided with a cover plate 17, the cover plate 17 is provided with a handle which can be used for uncovering the cover plate, and the cover plate 17 is a transparent glass plate.
Claims (6)
1. A two-sided directly loses mechanism of board which characterized in that: comprises an etching box (1), and a feeding box (2) and a discharging box (3) which are respectively arranged at the left side and the right side;
the etching box (1) is characterized in that an upper roller set (4) and a corresponding lower roller set (5) are arranged on the inner front wall and the inner rear wall of the etching box (1), a space is reserved between the upper roller sets (4) on the front wall and the rear wall, and a space is reserved between the lower roller sets (5) on the front wall and the rear wall;
the front side edge of the clamping frame (16) is clamped up and down by the upper roller group (4) and the lower roller group (5) on the front wall;
the rear side edge of the clamping frame (16) is clamped up and down by the upper roller group (4) and the lower roller group (5) of the rear wall;
the edges of the clamping frame (16) are clamped by the upper roller group (4) and the lower roller group (5) to drive to advance, and the upper part and the lower part of the clamping frame (16) are respectively provided with a PCB;
in the etching box (1), a plurality of downward etching nozzles (7) are arranged at the upper horizontal plane position of the upper roller group (4), and a plurality of upward etching nozzles (7) are arranged at the lower horizontal plane position of the lower roller group (5).
2. A plate double-sided direct etching mechanism according to claim 1, characterized in that: the feeding box (2) and the discharging box (3) are both provided with a lower roller set (5), and the lower roller set (5) is horizontal to the lower roller set (5) in the etching box (1);
and the lower roller set (5) in the feeding box (2) and the discharging box (3) and the lower roller set (5) in the etching box (1) are driven by the same motor.
3. A plate double-sided direct etching mechanism according to claim 2, characterized in that: the upper roller set (4) and the lower roller set (5) respectively comprise a plurality of rollers which are arranged at intervals;
the roller comprises a cylinder (8), a rotating shaft (9) and a gear (10), the cylinder (8) is positioned in the etching box (1) and is connected with one end of the rotating shaft (9), the rotating shaft (9) penetrates through the wall of the etching box (1) and is installed through a bearing, and the gear (10) is installed at the other end of the rotating shaft (9);
all gears (10) in the upper roller group (4) are connected with a driving motor through the same chain (11);
all gears (10) in the lower roller group (5) are connected with another driving motor through another chain (11).
4. A plate double-sided direct etching mechanism according to claim 3, characterized in that: in the feeding box (2), a roller group (6) is arranged above the lower roller group (5), and the roller group (6) and the lower roller group (5) are driven together to drive a clamping frame (16) to enter the etching box (1);
the roller group (6) is arranged on a lower plate (12), the lower plate (12) is connected with an upper plate (14) through a spring (13), and the upper plate (14) is fixed on the top wall of the feeding box (2) through a hydraulic oil cylinder (15).
5. A plate double-sided direct etching mechanism according to any one of claims 1 to 4, characterized in that: the clamping frame (16) comprises a middle layer plate (601), an upper frame (602) and a lower frame (603), and the edges of the PCB are clamped on the middle layer plate (601) by the four sides of the upper frame (602) and the lower frame (603);
one end of the upper frame (602) and one end of the lower frame (603) are hinged to one end of the middle layer plate (601), and the other ends of the upper frame (602), the lower frame (603) and the middle layer plate (601) are locked by a lock catch (604) and a bolt (605).
6. A plate double-sided direct etching mechanism according to claim 5, characterized in that: the side walls of the four sides of the upper frame (602) and the lower frame (603) are provided with long waist-shaped holes (606) for the etching solution to flow out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020279358.3U CN211909328U (en) | 2020-03-09 | 2020-03-09 | Two-sided directly loses mechanism of board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020279358.3U CN211909328U (en) | 2020-03-09 | 2020-03-09 | Two-sided directly loses mechanism of board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211909328U true CN211909328U (en) | 2020-11-10 |
Family
ID=73301968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020279358.3U Active CN211909328U (en) | 2020-03-09 | 2020-03-09 | Two-sided directly loses mechanism of board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211909328U (en) |
-
2020
- 2020-03-09 CN CN202020279358.3U patent/CN211909328U/en active Active
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