CN211880721U - Circulating self-cleaning device of PCB circuit board - Google Patents
Circulating self-cleaning device of PCB circuit board Download PDFInfo
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- CN211880721U CN211880721U CN202020843279.0U CN202020843279U CN211880721U CN 211880721 U CN211880721 U CN 211880721U CN 202020843279 U CN202020843279 U CN 202020843279U CN 211880721 U CN211880721 U CN 211880721U
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Abstract
The utility model discloses a circulating self-cleaning device of PCB circuit board, include the main platen and install in main platen both sides and be the side platen of level with the main platen, one of them side platen is the feeding station, and another side platen is ejection of compact station, and self-cleaning device is still including getting material manipulator, installing at feeding station and ejection of compact station and be symmetrical structure's carousel mechanism and washing portion. The material taking and placing manipulator is fixedly arranged on the main bedplate, a mechanical claw and a rotating mechanism are arranged on the main bedplate, and the rotating mechanism drives the mechanical claw to do circular reciprocating motion from the feeding station, the cleaning station and the discharging station; the turntable mechanism is provided with a jig for bearing the PCB and a rotary driving mechanism for driving the jig to rotate circumferentially; the cleaning part is arranged at the side part of the main bedplate and is provided with two adjacent cleaning tanks, wherein one cleaning tank is a cleaning tank, and the other cleaning tank is a cleaning tank. The utility model discloses can improve the cleaning efficiency and the cleaning quality of PCB circuit board.
Description
Technical Field
The utility model relates to an automatic change belt cleaning device, specific saying so relates to a circulating self-cleaning device of PCB circuit board.
Background
The circuit board products produced by a circuit board factory need to be cleaned and cleaned after welding is finished, and particularly, the circuit board with high customer requirements needs to be cleaned completely by using a cleaning solvent and clear water.
In general, a printed wiring board after soldering is cleaned by an ultrasonic cleaner in a soak manner in a circuit board factory. However, as the precision of electronic products is higher and higher, many precision parts such as crystals, crystal oscillators, etc. cannot use ultrasonic waves.
Most of the existing cleaning devices are semi-automatic cleaning devices, the cleaning efficiency is low, and improvement is needed.
SUMMERY OF THE UTILITY MODEL
To the deficiency among the prior art, the to-be-solved technical problem of the utility model lies in providing a circulating self-cleaning device of PCB circuit board, and the purpose of designing this self-cleaning device is in order to improve the cleaning efficiency.
In order to solve the technical problem, the utility model discloses a following scheme realizes: the utility model discloses a circulating self-cleaning device of PCB circuit board, include main platen and install main platen both sides and with main platen is the side platen of level, and one of them side platen is the feeding station, and another side platen is ejection of compact station, self-cleaning device still includes:
the material taking and placing mechanical arm is fixedly arranged on the main bedplate, a mechanical claw and a rotating mechanism are arranged on the mechanical claw, and the rotating mechanism drives the mechanical claw to do circular reciprocating motion from a feeding station, a cleaning station and a discharging station;
the rotary table mechanism is arranged at the feeding station and the discharging station and has a symmetrical structure, and a jig for bearing the PCB and a rotary driving mechanism for driving the jig to rotate circumferentially are arranged on the rotary table mechanism;
the cleaning part is arranged on the side part of the main bedplate and is provided with two adjacent cleaning tanks, one cleaning tank is a cleaning liquid tank, and the other cleaning tank is a clear water tank.
Furthermore, the rotating mechanism is a four-axis manipulator which drives the mechanical claw to move, and the mechanical claw is connected with a power source which drives the vertical connecting rod to rotate and lift through a vertical connecting rod.
Further, the gripper comprises:
the jacket is sleeved on the vertical connecting rod;
the clamping cylinder is laterally connected to the side surface of the clamping sleeve, and piston rods on two sides of the clamping cylinder are symmetrically connected with clamping head mounting blocks;
the two chucks are symmetrically arranged on the two chuck mounting blocks, and vertical grooves for clamping the PCB are formed in opposite surfaces of the two chucks.
Further, carousel mechanism includes the unanimous feeding carousel of locating feeding station department of structure and the ejection of compact carousel of locating ejection of compact station department, and it includes:
the rotary driving mechanism is arranged on the lower plate surface of the side platen;
the jig rotating disc is arranged on the upper plate surface of the side bedplate, is connected with the rotary driving mechanism and is driven by the rotary driving mechanism to rotate circularly;
the jig is provided with four groups, is arranged on the jig turntable in an equally-divided and array manner, and is provided with slots for the insertion of the PCB.
Furthermore, two parallel straight sectional materials with intervals are arranged at the upper opening of the cleaning tank.
Furthermore, a straight section bar which is arranged in the upper opening area of the cleaning liquid tank and is far away from the main bedplate is provided with a brushing assembly, and the brushing assembly comprises a brushing frame which is arranged on the straight section bar and a brush plate which is detachably arranged on the brushing frame.
Furthermore, spray headers are arranged on the opposite sides of the two straight sections in the upper opening area of the clear water tank.
Furthermore, the rotary driving mechanism is a worm and gear driving mechanism, and comprises a driving source assembly and a worm gear part driven by the driving source assembly to rotate.
Further, the driving source assembly includes:
one end of a motor shell on the driving side of the motor is fixed on a motor base;
a bearing seat which is opened towards one side of the worm wheel part and one end of which is connected with the motor seat;
the worm assembly is arranged in the bearing seat and connected to the rotating part of the motor, and the worm on the worm assembly is driven by the motor to rotate;
the worm assembly includes:
a worm;
the fixing nut is sleeved on the worm and is in threaded connection with one side of the motor base;
the left bearing seat is fixed on one side of the motor seat, two thrust bearings and a left bearing sleeved on the worm are fixed in the left bearing seat, the two thrust bearings are respectively arranged at a left hole opening of the left bearing seat and a right hole opening of the left bearing seat, the left thrust bearing abuts against the fixing nut, the left bearing is arranged between the two thrust bearings and is arranged in a shaft hole of the left bearing seat, and a convex end of the left bearing seat is inserted and fixed at a cavity opening of the worm assembly mounting cavity;
the right bearing is fixedly arranged in a shaft hole of the right bearing seat, the other end of the worm is inserted and fixed in the inner hole of the right bearing, and the right bearing seat is fixed at the bottom of the worm assembly mounting cavity;
the worm wheel portion includes:
the worm assembly mounting cavity is arranged on one side of the base body, the worm wheel assembly mounting cavity is arranged on the other side of the base body, the worm assembly penetrates through the worm assembly mounting cavity, and coaxial circular holes are formed in the upper side and the bottom surface of the worm wheel assembly mounting cavity;
the worm wheel assembly is arranged in the worm wheel assembly mounting cavity and can rotate in the worm wheel assembly mounting cavity, a worm wheel on the worm wheel assembly is meshed with the worm, the rotary table is fixed on the rotating part of the worm wheel assembly and is arranged on the upper side of the upper end circular opening, and the rotary table is fixedly connected with the jig rotary table on the rotary driving mechanism;
the worm gear assembly includes:
the middle of the worm wheel is provided with a column part with an upper through hole and a lower through hole, the outer part of the worm wheel is provided with a wheel body which is sleeved and fixed on the outer wall of the column part, and the outer wall of the wheel body is provided with a circle of tooth grooves;
the upper bearing is sleeved on the upper boss of the column part and the lower bearing is sleeved on the lower boss of the column part, and the turntable is fixed at the upper end of the column part;
the bearing base is covered on the circular hole on the lower bottom surface of the base body, and the lower bearing seat is arranged in the circular groove step of the bearing base.
Furthermore, the middle part of the circumference of the ring of tooth grooves forms an inwards concave structure.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an automatic cleaning device transports the PCB circuit board from feeding station, cleaning station, ejection of compact station through four-axis manipulator, and when wasing the cistern, four-axis manipulator drive manipulator horizontal hunting makes the PCB circuit board horizontal slip form the action of scrubbing on the flexible brush, and flexible brush and washing liquid combined action are with the one side sanitization of PCB circuit board. And then the four-axis mechanical arm sends the cleaned PCB circuit board to a clear water tank for clear water spraying, so that the PCB circuit board is cleaned. And after one side of the PCB is cleaned, placing the PCB into a discharging station, returning the PCB at the discharging station to a feeding station through an external manipulator, reversing the PCB, and finally cleaning both sides of the PCB.
Drawings
Fig. 1 is a three-dimensional structure diagram of the automatic cleaning device of the present invention.
Figure 2 is the utility model discloses four-axis manipulator structure schematic diagram.
Fig. 3 is a schematic view of the manipulator structure of the present invention.
Fig. 4 is a schematic view of the structure of the cleaning part of the present invention.
Fig. 5 is a perspective view of the rotary driving mechanism of the present invention.
Fig. 6 is an exploded view of the driving source assembly of the present invention.
Fig. 7 is a side sectional view of the assembled drive source assembly of the present invention.
Fig. 8 is an exploded view of the worm gear portion of the present invention.
Fig. 9 is a side sectional view of the assembled worm gear part of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making more clear and definite definitions of the protection scope of the present invention. It is obvious that the described embodiments of the invention are only some of the embodiments of the invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1: the utility model discloses a concrete structure as follows:
referring to fig. 1-4, the present invention provides a circular automatic cleaning device for PCB circuit board, including a main platen 8 and side platens installed on both sides of the main platen 8 and forming a horizontal position with the main platen 8, wherein one side platen is a feeding station, the other side platen is a discharging station, the automatic cleaning device further includes:
the material taking and placing mechanical arm 9 is fixedly arranged on the main bedplate 8, and is provided with a mechanical claw and a rotating mechanism, and the rotating mechanism drives the mechanical claw to do circular reciprocating motion from a feeding station, a cleaning station and a discharging station;
the rotary table mechanism is arranged at the feeding station and the discharging station and has a symmetrical structure, and a jig for bearing the PCB and a rotary driving mechanism for driving the jig to rotate circumferentially are arranged on the rotary table mechanism;
and the cleaning part is arranged at the side part of the main bedplate 8 and is provided with two adjacent cleaning tanks, wherein one cleaning tank is a cleaning liquid tank 5, and the other cleaning tank is a cleaning water tank 6.
A preferred technical solution of this embodiment: the rotating mechanism is a four-axis mechanical arm which drives the mechanical claw to move, and the mechanical claw is connected with a power source which drives the vertical connecting rod to rotate and lift through a vertical connecting rod.
A preferred technical solution of this embodiment: the gripper includes:
a jacket 91 sleeved on the vertical connecting rod;
the clamping cylinder 92 is laterally connected to the side surface of the clamping sleeve 91, and piston rods on two sides of the clamping cylinder are symmetrically connected with clamping head mounting blocks;
the two chucks 93 are symmetrically arranged on the two chuck mounting blocks, and vertical grooves for clamping the PCB are formed in opposite surfaces of the two chucks 93.
A preferred technical solution of this embodiment: carousel mechanism includes the unanimous feeding carousel 3 of locating feeding station department of structure and locates ejection of compact carousel 4 of ejection of compact station department, and it includes:
the rotary driving mechanism is arranged on the lower plate surface of the side platen;
the jig rotating disc is arranged on the upper plate surface of the side bedplate, is connected with the rotary driving mechanism and is driven by the rotary driving mechanism to rotate circularly;
the jig is provided with four groups, is arranged on the jig turntable in an equally-divided and array manner, and is provided with slots for the insertion of the PCB.
A preferred technical solution of this embodiment: the upper opening of the cleaning tank is provided with two parallel straight section bars 7 with intervals.
A preferred technical solution of this embodiment: a straight section bar which is arranged in the upper opening area of the cleaning liquid tank 5 and is far away from the main bedplate 8 is provided with a brushing assembly, and the brushing assembly comprises a brushing frame 51 arranged on the straight section bar 7 and a brush plate 52 which is detachably arranged on the brushing frame 51.
A preferred technical solution of this embodiment: the opposite sides of the two straight section bars 7 arranged in the upper opening area of the clean water tank 6 are provided with spray heads 71.
Example 2:
as shown in fig. 5 to 9, the following is the structure of the rotation drive mechanism:
the rotary driving mechanism is a worm-and-gear driving mechanism, and comprises a driving source assembly 1 and a worm wheel part 2 driven by the driving source assembly 1 to rotate.
A preferred technical solution of this embodiment: the drive source assembly 1 includes:
a motor 15, one end of the motor shell of the driving side of which is fixed on a motor base 16;
a bearing seat 11 which is opened toward the worm wheel 2 and one end of which is connected to the motor base 16;
a worm assembly installed in the bearing housing 11, connected to a rotating portion of the motor 15, and on which the worm 12 is driven by the motor 15 to rotate;
the worm assembly includes:
a worm 12;
a fixing nut 17, which is sleeved on the worm 12 and is screwed on one side of the motor base 16;
the left bearing seat 13 is fixed on one side of the motor seat 16, two thrust bearings 18 and a left bearing 19 which are sleeved on the worm 12 are fixed in the left bearing seat 13, the two thrust bearings 18 are respectively arranged at a left hole opening of the left bearing seat 13 and a right hole opening of the left bearing seat 13, the left thrust bearing 18 abuts against the fixing nut 17, the left bearing 19 is arranged between the two thrust bearings 18 and is arranged in a shaft hole of the left bearing seat 13, and a convex end of the left bearing seat 13 is inserted and fixed in a cavity opening of the worm component mounting cavity;
the right bearing 110 is fixedly arranged in an axial hole of the right bearing seat 111, the other end of the worm 12 is inserted and fixed in an inner hole of the right bearing 110, and the right bearing seat 111 is fixed at the bottom of the worm assembly mounting cavity;
the worm gear portion 2 includes:
the worm gear component mounting structure comprises a base body 22, wherein a worm component mounting cavity is arranged on one side of the base body 22, a worm gear component mounting cavity is arranged on the other side of the base body, the worm component penetrates through the worm component mounting cavity, and coaxial circular holes are formed in the upper side and the bottom surface of the worm gear component mounting cavity;
the worm wheel assembly is arranged in the worm wheel assembly mounting cavity and can rotate in the worm wheel assembly mounting cavity, a worm wheel 24 on the worm wheel assembly is meshed with the worm 12, the rotary table 21 is fixed on the rotating part of the worm wheel assembly and is arranged on the upper side of the upper end circular opening, and the rotary table 21 is fixedly connected with a jig rotary table on the rotary driving mechanism;
the worm gear assembly includes:
the worm wheel 24 is provided with a column part with an upper through hole and a lower through hole in the middle, a wheel body sleeved and fixed on the outer wall of the column part is arranged outside the worm wheel 24, and the outer wall of the wheel body is provided with a circle of tooth grooves;
an upper bearing 23 sleeved on the upper projection of the column part and a lower bearing 25 sleeved on the lower projection of the column part, wherein the rotary table 21 is fixed at the upper end of the column part;
and the bearing base 26 is covered on the circular hole on the lower bottom surface of the base body 22, and the lower bearing 25 is seated in the circular groove step of the bearing base 26.
A preferred technical solution of this embodiment: the middle part of the circumference of the ring of tooth grooves forms an inwards concave structure.
Example 3:
the utility model discloses an automatic cleaning device transports the PCB circuit board from feeding station, cleaning station, ejection of compact station through four-axis manipulator, and when wasing cistern 5, four-axis manipulator drive manipulator horizontal hunting makes the PCB circuit board horizontal slip form the action of scrubbing on the flexhair brush, and flexhair brush and washing liquid combined action are with the one side sanitization of PCB circuit board.
Then the four-axis manipulator sends the cleaned PCB circuit board to a clear water tank 6 for clear water spraying, so that the PCB circuit board is cleaned. And after one side of the PCB is cleaned, placing the PCB into a discharging station, returning the PCB at the discharging station to a feeding station through an external manipulator, reversing the PCB, and finally cleaning both sides of the PCB.
The utility model provides the high cleaning efficiency of PCB circuit board only needs in feeding station department, and artifical material loading is inserted the PCB circuit board on the tool.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (10)
1. The utility model provides a circulating self-cleaning device of PCB circuit board, includes main platen (8) and install main platen (8) both sides and with main platen (8) are the side platen of level position, and one of them side platen is the feeding station, and another side platen is ejection of compact station, its characterized in that, self-cleaning device still includes:
the material taking and placing mechanical arm (9) is fixedly arranged on the main bedplate (8), a mechanical claw and a rotating mechanism are arranged on the mechanical claw, and the rotating mechanism drives the mechanical claw to do circular reciprocating motion from the feeding station, the cleaning station and the discharging station;
the rotary table mechanism is arranged at the feeding station and the discharging station and has a symmetrical structure, and a jig for bearing the PCB and a rotary driving mechanism for driving the jig to rotate circumferentially are arranged on the rotary table mechanism;
and the cleaning part is arranged at the side part of the main bedplate (8) and is provided with two adjacent cleaning tanks, wherein one cleaning tank is a cleaning liquid tank (5), and the other cleaning tank is a cleaning liquid tank (6).
2. The circulating type automatic cleaning device for the PCB of claim 1, wherein the rotating mechanism is a four-axis manipulator which drives the mechanical claw to move, and the mechanical claw is connected with a power source which drives the vertical connecting rod to rotate and lift through a vertical connecting rod.
3. The circulating type automatic cleaning device for the PCB circuit board as claimed in claim 2, wherein the mechanical claw comprises:
a jacket (91) sleeved on the vertical connecting rod;
the clamping cylinder (92) is laterally connected to the side surface of the clamping sleeve (91), and piston rods on two sides of the clamping cylinder are symmetrically connected with clamping head mounting blocks;
the two clamping heads (93) are symmetrically arranged on the two clamping head mounting blocks, and vertical grooves for clamping the PCB are formed in the opposite surfaces of the two clamping heads (93).
4. The circulating type automatic cleaning device for the PCB circuit board according to claim 1, wherein the turntable mechanism comprises a feeding turntable (3) and a discharging turntable (4) which are consistent in structure and are arranged at feeding stations, and the discharging turntable comprises:
the rotary driving mechanism is arranged on the lower plate surface of the side platen;
the jig rotating disc is arranged on the upper plate surface of the side bedplate, is connected with the rotary driving mechanism and is driven by the rotary driving mechanism to rotate circularly;
the jig is provided with four groups, is arranged on the jig turntable in an equally-divided and array manner, and is provided with slots for the insertion of the PCB.
5. A circulating type automatic cleaning device for PCB circuit board according to claim 1 characterized in that the upper opening of the cleaning tank is provided with two parallel and spaced straight section bars (7).
6. A circulating automatic cleaning device for PCB circuit board according to claim 5 characterized in that a straight section bar which is arranged at the upper opening area of the cleaning liquid tank (5) and far away from the main bedplate (8) is provided with a brushing assembly, the brushing assembly comprises a brushing frame (51) arranged on the straight section bar (7) and a brushing plate (52) which is detachably arranged on the brushing frame (51).
7. A circulating type automatic cleaning device for PCB circuit board according to claim 5 characterized in that the opposite sides of two straight section bars (7) in the upper opening area of the clean water tank (6) are provided with spray headers (71).
8. The PCB circuit board circulating type automatic cleaning device is characterized in that the rotary driving mechanism is a worm and gear type driving mechanism which comprises a driving source component (1) and a worm gear part (2) driven by the driving source component (1) to rotate.
9. A circulating type automatic cleaning device for PCB circuit boards according to claim 8, wherein the driving source assembly (1) comprises:
one end of a motor shell of the motor (15) on the driving side is fixed on a motor base (16);
a bearing seat (11) which is open towards one side of the worm wheel part (2) and one end of which is connected with the motor seat (16);
the worm component is arranged in the bearing seat (11), is connected to the rotating part of the motor (15), and the worm (12) on the worm component is driven by the motor (15) to rotate;
the worm assembly includes:
a worm (12);
the fixing nut (17) is sleeved on the worm (12) and is in threaded connection with one side of the motor base (16);
the left bearing seat (13) is fixed on one side of the motor base (16), two thrust bearings (18) and a left bearing (19) which are sleeved on the worm (12) are fixed in the left bearing seat (13), the two thrust bearings (18) are respectively arranged at a left hole opening of the left bearing seat (13) and a right hole opening of the left bearing seat (13), the left thrust bearing (18) abuts against the fixing nut (17), the left bearing (19) is arranged between the two thrust bearings (18) and is arranged in a shaft hole of the left bearing seat (13), and a convex end of the left bearing seat (13) is inserted and fixed at a cavity opening of the worm assembly mounting cavity;
the worm assembly comprises a right bearing (110) and a right bearing seat (111), wherein the right bearing (110) is fixedly arranged in an axial hole of the right bearing seat (111), the other end of the worm (12) is inserted and fixed in an inner hole of the right bearing (110), and the right bearing seat (111) is fixed at the bottom of the worm assembly mounting cavity;
the worm gear part (2) includes:
the worm gear assembly mounting structure comprises a base body (22), wherein a worm assembly mounting cavity is arranged on one side of the base body (22), a worm gear assembly mounting cavity is arranged on the other side of the base body, the worm assembly penetrates through the worm assembly mounting cavity, and coaxial circular holes are formed in the upper side and the bottom surface of the worm gear assembly mounting cavity;
the worm wheel assembly is arranged in the worm wheel assembly mounting cavity and can rotate in the worm wheel assembly mounting cavity, a worm wheel (24) on the worm wheel assembly is meshed with the worm (12), a rotary disc (21) is fixed on a rotating part of the worm wheel assembly and is arranged on the upper side of the upper end circular opening, and the rotary disc (21) is fixedly connected with a jig rotary disc on the rotary driving mechanism;
the worm gear assembly includes:
the worm wheel (24), the middle of the worm wheel (24) is a column part with an upper through hole and a lower through hole, the outer part of the worm wheel is provided with a wheel body which is sleeved and fixed on the outer wall of the column part, and the outer wall of the wheel body is provided with a circle of tooth grooves;
an upper bearing (23) sleeved on the column part and protruding upwards and a lower bearing (25) sleeved on the column part and protruding downwards, wherein the rotary table (21) is fixed at the upper end of the column part;
and the bearing base (26) is covered on the circular hole on the lower bottom surface of the base body (22), and the lower bearing (25) is seated in the circular groove step of the bearing base (26).
10. A circulating type automatic cleaning device for PCB circuit boards according to claim 9, characterized in that the circumference middle part of the circle of tooth grooves forms a concave structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020843279.0U CN211880721U (en) | 2020-05-20 | 2020-05-20 | Circulating self-cleaning device of PCB circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020843279.0U CN211880721U (en) | 2020-05-20 | 2020-05-20 | Circulating self-cleaning device of PCB circuit board |
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| Publication Number | Publication Date |
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| CN211880721U true CN211880721U (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020843279.0U Active CN211880721U (en) | 2020-05-20 | 2020-05-20 | Circulating self-cleaning device of PCB circuit board |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112893288A (en) * | 2021-01-20 | 2021-06-04 | 汇通电子科技(惠州)有限公司 | Cleaning device for processing circuit board |
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2020
- 2020-05-20 CN CN202020843279.0U patent/CN211880721U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112893288A (en) * | 2021-01-20 | 2021-06-04 | 汇通电子科技(惠州)有限公司 | Cleaning device for processing circuit board |
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