CN211160997U - PCB ultrasonic wave back washing device - Google Patents
PCB ultrasonic wave back washing device Download PDFInfo
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- CN211160997U CN211160997U CN201922023865.0U CN201922023865U CN211160997U CN 211160997 U CN211160997 U CN 211160997U CN 201922023865 U CN201922023865 U CN 201922023865U CN 211160997 U CN211160997 U CN 211160997U
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Abstract
The utility model relates to a PCB production technical field discloses a PCB ultrasonic wave returns and washes device. The PCB ultrasonic backwashing device comprises an ultrasonic cylinder and a swinging unit, wherein a plurality of ultrasonic vibrating plates are arranged on the inner side wall of the ultrasonic cylinder; the swing unit comprises a grating disc arranged in the ultrasonic cylinder and a driving component for driving the grating disc to move in a reciprocating mode, and the grating disc is used for placing a PCB. The utility model provides a PCB ultrasonic wave returns and washes device sets up the swing unit in the ultrasonic wave jar, and when ultrasonic cleaning, the swing unit drives the PCB board and repeats horizontal migration, avoids when wasing, and the ultrasonic wave is beaten always to the same place of PCB face and is leaded to the PCB face to be beaten and loses.
Description
Technical Field
The utility model relates to a PCB production technical field especially relates to a PCB ultrasonic wave returns and washes device.
Background
At present, in the PCB production industry, the ultrasonic cleaning technology is widely applied, but the problem that the surface of a PCB is corroded when the surface attachments of the PCB are cleaned by ultrasonic waves, so that the quality is reduced and even the PCB is scrapped is solved. In the prior art, 5% sodium hydroxide soak solution with the temperature of 80 ℃ is contained in an ultrasonic wave cylinder of the ultrasonic cleaning device, 7 ultrasonic wave vibrating plates are arranged in the ultrasonic wave cylinder, a PCB is fixedly placed in the middle of the ultrasonic wave cylinder for ultrasonic cleaning, and because the PCB is fixedly placed in the ultrasonic wave cylinder, ultrasonic waves are always beaten towards one place of a board surface in the cleaning process, so that the board surface is easily eroded by the ultrasonic waves under the condition that attachments on the surface of the PCB are not cleaned yet. Therefore, it is desirable to provide an ultrasonic back washing apparatus for PCB to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a PCB ultrasonic wave returns washes device has solved the problem that the PCB board was beaten to the ultrasonic wave in the cleaning process.
To achieve the purpose, the utility model adopts the following technical proposal:
a PCB ultrasonic wave backwashing device comprises:
the ultrasonic vibration plate comprises an ultrasonic cylinder, wherein the inner side wall of the ultrasonic cylinder is provided with a plurality of ultrasonic vibration plates;
the ultrasonic vibration device comprises an ultrasonic cylinder, a swinging unit and a control unit, wherein the swinging unit comprises a grating disc arranged in the ultrasonic cylinder and a driving component for driving the grating disc to reciprocate, and the grating disc is used for placing a PCB.
Specifically, set up the swing unit in the ultrasonic wave jar, when ultrasonic cleaning, the swing unit drives the PCB board and repeats horizontal migration, avoids when wasing, and the ultrasonic wave hits the same place of PCB face always and leads to the PCB face to be beaten and erode.
Preferably, the driving assembly comprises a swing rod, one end of the swing rod is hinged with the grating disc, the other end of the swing rod is hinged with a driver, the driver drives the end part of the swing rod to move horizontally, and one end, close to the driver, of the swing rod is hinged with the inner side wall of the ultrasonic cylinder.
Specifically, the driver transmits the reciprocating force to the grating disc through the swinging rod, and the grating disc is simple in structure and good in driving stability.
Preferably, the rocking rod is connected with a supporting rod, one end of the supporting rod is hinged to the rocking rod, and the other end of the supporting rod is fixedly connected with the inner side wall of the ultrasonic cylinder.
Specifically, the support rod plays a certain supporting role in the swinging of the swinging rod, and the support rod can stably drive the grating disc to move in the horizontal direction.
Preferably, the rocking bar includes two horizontal poles that set up relatively and two montants that set up relatively, two horizontal pole and two rectangular frame is constituteed to the montant, one of them the horizontal pole with the driver is articulated, another horizontal pole with the grid dish is articulated, two all articulate on the montant have the bracing piece.
Specifically, the rocking bar sets up rectangular frame, and structural strength is good, sets up two spinal branch vaulting poles on the rocking bar, makes rocking bar wobbling power evenly transmit for the grating dish, and has strengthened rocking bar wobbling stability.
Preferably, the driver comprises a cylinder, the cylinder is arranged outside the ultrasonic cylinder, and the end of a piston rod of the cylinder is hinged with the rocking rod.
Particularly, the driver is arranged as an air cylinder, the connection structure with the swing rod is simple, the control is convenient, and the equipment cost is low.
Preferably, a first guide piece is arranged on the grating disc, a second guide piece is arranged in the ultrasonic wave cylinder, and the second guide piece is connected with the first guide piece.
Specifically, the first guide piece and the second guide piece are arranged, so that the grid plate can horizontally move along the designated direction, and the phenomena of inclination and the like can not occur.
Preferably, the first guide part comprises guide grooves which are formed in two sides of the grating disc and are horizontally arranged, the second guide part comprises guide blocks which are arranged on the inner side wall of the ultrasonic cylinder, and the guide blocks are embedded into the guide grooves.
Specifically, the first guide piece and the second guide piece are of guide grooves and guide blocks, the structure is simple, and the guide effect is good.
Preferably, one side of the grating disc is provided with a plurality of support legs, one ends of the support legs are connected with the grating disc, and the other ends of the support legs are in contact with the bottom surface of the ultrasonic cylinder.
Specifically, the plurality of support legs are arranged to enable the grating disc to have a certain distance with the bottom surface of the ultrasonic cylinder, so that the friction force between the grating disc and the bottom surface of the ultrasonic cylinder is reduced when the grating disc moves back and forth.
Preferably, the ultrasonic vibrating plate is arranged on each of three side walls of the ultrasonic cylinder.
Particularly, the ultrasonic vibration plates are arranged on the three side walls of the ultrasonic cylinder, so that the cleaning efficiency is improved, the PCB can be cleaned comprehensively, and no dead angle exists.
Preferably, two ultrasonic vibration plates are respectively arranged on two opposite side walls of the ultrasonic cylinder, and three ultrasonic vibration plates are arranged on the other side wall of the ultrasonic cylinder.
Specifically, different ultrasonic vibration plates are arranged on different side walls, so that the cleaning efficiency and cleanliness are improved, and the equipment cost is reduced.
The utility model has the advantages that: the utility model provides a PCB ultrasonic wave returns and washes device sets up the swing unit in the ultrasonic wave jar, and when ultrasonic cleaning, the swing unit drives the PCB board and repeats horizontal migration, avoids when wasing, and the ultrasonic wave is beaten always to the same place of PCB face and is leaded to the PCB face to be beaten and loses.
Drawings
Fig. 1 is a schematic structural view of the ultrasonic back washing device for PCB provided by the present invention;
fig. 2 is a schematic structural diagram of the swing unit provided by the present invention.
In the figure:
1. an ultrasonic wave cylinder;
2. an ultrasonic vibration plate;
31. a grid plate; 311. a first guide member; 312. a support leg; 32. a drive assembly; 321. a driver; 322. a support bar; 323. a cross bar; 324. a vertical rod.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1 and 2, the present embodiment provides a PCB ultrasonic backwashing device, which includes an ultrasonic cylinder 1 and a swing unit, wherein the inner side wall of the ultrasonic cylinder 1 is provided with a plurality of ultrasonic vibration plates 2, the swing unit includes a grating disk 31 disposed in the ultrasonic cylinder 1 and a driving assembly 32 for driving the grating disk 31 to reciprocate, and the grating disk 31 is used for placing a PCB. When the ultrasonic vibrating plate 2 is started to start cleaning, the grating disc 31 reciprocates according to a certain frequency and amplitude under the driving of the driving assembly 32, so that the phenomenon that the surface of a PCB is corroded due to the fact that ultrasonic waves are always applied to the same position of the PCB is avoided, the quality of the PCB is improved, and the rejection rate of the PCB is reduced.
Specifically, 5% sodium hydroxide soak solution needs to be placed in the ultrasonic wave cylinder 1, the ultrasonic wave cylinder 1 is made of stainless steel materials, corrosion caused by long-term use is avoided, and the PCB is soaked in the ultrasonic wave cylinder 1 for cleaning. The ultrasonic vibration plate 2 is arranged on the inner side wall of the ultrasonic cylinder 1, the ultrasonic vibration plate 2 is arranged on three side walls, the cleaning efficiency is improved, the PCB can be cleaned comprehensively, and no dead angle exists. Further, two opposite side walls of the ultrasonic cylinder 1 are respectively provided with two ultrasonic vibration plates 2, the other side wall of the ultrasonic cylinder 1 is provided with three ultrasonic vibration plates 2, and different side walls are provided with different numbers of the ultrasonic vibration plates 2, so that the cleaning efficiency and cleanliness are improved, and the equipment cost is reduced.
In this embodiment, the grating disk 31 is placed at the bottom of the ultrasonic cylinder 1, the PCB is vertically inserted into the grating disk 31, and the ultrasonic wave emitted by the ultrasonic vibrating plate 2 hits the surface of the PCB. In order to reduce the friction force between the grating disk 31 and the ultrasonic cylinder 1 during the reciprocating motion, a plurality of legs 312 are provided on the grating disk 31 on the side close to the ultrasonic cylinder 1, one end of each leg 312 is connected to the grating disk 31, and the other end of each leg 312 is in contact with the bottom surface of the ultrasonic cylinder 1. Furthermore, the cross section of the grating disk 31 is rectangular, and the four corners of the grating disk 31 are respectively provided with a support leg 312, so that the support stability is good.
In order to ensure that the grating disk 31 can stably move horizontally along a designated direction, in the embodiment, the grating disk 31 is provided with a first guide part 311, a second guide part is arranged in the ultrasonic cylinder 1, the second guide part is connected with the first guide part 311, and the second guide part and the first guide part 311 are matched to play a role of guiding the grating disk 31, so that the stable movement of the grating disk 31 is ensured, and the problems of inclination and the like are avoided. Further, first guide 311 is including seting up the guide way in grid dish 31 both sides and level setting, and the second guide is including setting up the guide block on ultrasonic wave jar 1 inside wall, and the guide block embedding guide way is interior, has realized grid dish 31 and ultrasonic wave jar 1's sliding connection, and this simple structure, and the direction is effectual.
In this embodiment, the grid tray 31, the first guide part 311, the second guide part and the support legs 312 are all made of stainless steel, so as to avoid corrosion after being soaked in a sodium hydroxide solution for a long time, and prolong the service life of the backwashing device.
In this embodiment, the driving assembly 32 includes a swing rod, one end of the swing rod is hinged to the grating disk 31, the other end of the swing rod is hinged to a driver 321, the driver 321 drives the end of the swing rod to move horizontally, and one end of the swing rod close to the driver 321 is hinged to the inner side wall of the ultrasonic cylinder 1. The driver 321 drives the end of the swing rod to move horizontally, and the other end of the swing rod drives the grating disk 31 to move in the opposite direction, thereby realizing the swing of the grating disk 31. The driver 321 transmits the force of the reciprocating motion to the grating disk 31 through the rocking rod, and has a simple structure and good driving stability.
In this embodiment, a support rod 322 is connected to the swing rod, and the support rod 322 is disposed near one end of the swing rod connecting driver 321, one end of the support rod 322 is hinged to the swing rod, and the other end of the support rod 322 is fixedly connected to the inner sidewall of the ultrasonic cylinder 1. The support rod 322 plays a certain supporting role in the swinging of the swing rod, and the support rod 322 can stably drive the grating disk 31 to move in the horizontal direction.
Further, the swing rod comprises two cross rods 323 and two vertical rods 324, the two cross rods 323 and the two vertical rods 324 are arranged oppositely, the two cross rods 323 and the two vertical rods 324 form a rectangular frame, one cross rod 323 is hinged to the driver 321, the other cross rod 323 is hinged to the grid plate 31, and the two vertical rods 324 are hinged to the supporting rod 322. The rocking rod is arranged into a rectangular frame, the structural strength is good, two supporting rods 322 are arranged on the rocking rod, the force of the rocking rod is uniformly transmitted to the grating disc 31, and the stability of the rocking rod in swinging is enhanced. Because the cross rod 323, the vertical rod 324 and the supporting rod 322 are all required to be arranged in the ultrasonic wave cylinder 1 and soaked in the sodium hydroxide soaking solution, in order to avoid corrosion, the cross rod 323, the vertical rod 324 and the supporting rod 322 are all made of stainless steel, and the service life of the backwashing device is prolonged.
Further, the driver 321 includes a cylinder disposed outside the ultrasonic cylinder 1, and a piston rod end of the cylinder is hinged to the rocking rod. In order to facilitate the connection between the cylinder and the rocking bar, one cross bar 323 of the rocking bar is disposed outside the ultrasonic cylinder 1, and a part of the vertical bars 324 is also disposed outside the ultrasonic cylinder 1. The driver 321 is set as an air cylinder, and the connection structure with the rocking rod is simple, convenient to control and low in equipment cost.
When the PCB ultrasonic backwashing device is used, the PCB is firstly installed on the grating disc 31, the ultrasonic cylinder 1 is filled with sodium hydroxide soak solution, the cylinder is started, the piston rod of the cylinder extends out or retracts at a set frequency, and the reciprocating frequency of the cylinder can be set. In this embodiment, according to the size of the ultrasonic cylinder 1 and the size of the grating disk 31, the amplitude of the reciprocating swing of the grating disk 31 is 50-100mm, preferably the swing amplitude is 100mm, and the cycle time of the extending and retracting of the cylinder is set to 3s, so as to ensure that the PCB board can be cleaned and the board surface of the PCB board can be effectively prevented from being corroded.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a PCB ultrasonic wave backflushing device which characterized in that includes:
the ultrasonic vibration plate comprises an ultrasonic cylinder, wherein the inner side wall of the ultrasonic cylinder is provided with a plurality of ultrasonic vibration plates;
the ultrasonic vibration device comprises an ultrasonic cylinder, a swinging unit and a control unit, wherein the swinging unit comprises a grating disc arranged in the ultrasonic cylinder and a driving component for driving the grating disc to reciprocate, and the grating disc is used for placing a PCB.
2. The PCB ultrasonic backwashing device of claim 1, wherein the driving assembly comprises a swing rod, one end of the swing rod is hinged to the grating disk, the other end of the swing rod is hinged to a driver, the driver drives an end portion of the swing rod to move horizontally, and one end of the swing rod, close to the driver, is hinged to an inner side wall of the ultrasonic cylinder.
3. The PCB ultrasonic backwashing device of claim 2, wherein a support rod is connected to the rocking rod, one end of the support rod is hinged to the rocking rod, and the other end of the support rod is fixedly connected to the inner side wall of the ultrasonic cylinder.
4. The PCB ultrasonic wave backwashing device of claim 3, wherein the rocking bar comprises two cross bars and two vertical bars, the two cross bars and the two vertical bars form a rectangular frame, one of the cross bars is hinged with the driver, the other cross bar is hinged with the grating disk, and the two vertical bars are both hinged with the supporting bar.
5. The ultrasonic PCB backwashing device of claim 2, wherein the driver comprises a cylinder, the cylinder is disposed outside the ultrasonic cylinder, and a piston rod end of the cylinder is hinged to the rocking rod.
6. The PCB ultrasonic backwashing device of claim 1, wherein a first guide member is arranged on the grating disc, a second guide member is arranged in the ultrasonic cylinder, and the second guide member is connected with the first guide member.
7. The PCB ultrasonic backwashing device of claim 6, wherein the first guide member comprises guide grooves which are formed on both sides of the grating disk and are horizontally arranged, and the second guide member comprises guide blocks which are arranged on the inner side wall of the ultrasonic cylinder, and the guide blocks are embedded in the guide grooves.
8. The PCB ultrasonic backwashing device of claim 1, wherein a plurality of support legs are arranged on one side of the grating disk, one ends of the support legs are connected with the grating disk, and the other ends of the support legs are in contact with the bottom surface of the ultrasonic cylinder.
9. The ultrasonic back washing device for the PCB of claim 1, wherein the ultrasonic vibrating plates are arranged on three side walls of the ultrasonic cylinder.
10. The ultrasonic back washing device for the PCB of claim 9, wherein two ultrasonic vibration plates are respectively arranged on two opposite side walls of the ultrasonic cylinder, and three ultrasonic vibration plates are arranged on the other side wall of the ultrasonic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922023865.0U CN211160997U (en) | 2019-11-21 | 2019-11-21 | PCB ultrasonic wave back washing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922023865.0U CN211160997U (en) | 2019-11-21 | 2019-11-21 | PCB ultrasonic wave back washing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211160997U true CN211160997U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922023865.0U Active CN211160997U (en) | 2019-11-21 | 2019-11-21 | PCB ultrasonic wave back washing device |
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| CN (1) | CN211160997U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112354968A (en) * | 2020-11-09 | 2021-02-12 | 福建福强精密印制线路板有限公司 | Circuit board cleaning mechanism and control method |
-
2019
- 2019-11-21 CN CN201922023865.0U patent/CN211160997U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112354968A (en) * | 2020-11-09 | 2021-02-12 | 福建福强精密印制线路板有限公司 | Circuit board cleaning mechanism and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211231 Address after: No.3127, Dongzhen Industrial Park, Dongsha District, Guangdong Province Patentee after: SHENGYI ELECTRONICS Co.,Ltd. Patentee after: Ji'an Shengyi Electronics Co., Ltd Address before: No.3127, Dongzhen Industrial Park, Dongsha District, Guangdong Province Patentee before: SHENGYI ELECTRONICS Co.,Ltd. |
|
| TR01 | Transfer of patent right |