CN111770643A - Printed circuit board insulating layer processing device - Google Patents
Printed circuit board insulating layer processing device Download PDFInfo
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- CN111770643A CN111770643A CN202010686414.XA CN202010686414A CN111770643A CN 111770643 A CN111770643 A CN 111770643A CN 202010686414 A CN202010686414 A CN 202010686414A CN 111770643 A CN111770643 A CN 111770643A
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- Prior art keywords
- plate
- face
- clamping
- circuit board
- workbench
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/28—Applying non-metallic protective coatings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
- B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/01—Tools for processing; Objects used during processing
- H05K2203/0104—Tools for processing; Objects used during processing for patterning or coating
- H05K2203/0126—Dispenser, e.g. for solder paste, for supplying conductive paste for screen printing or for filling holes
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/07—Treatments involving liquids, e.g. plating, rinsing
- H05K2203/0736—Methods for applying liquids, e.g. spraying
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/15—Position of the PCB during processing
- H05K2203/1563—Reversing the PCB
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Non-Metallic Protective Coatings For Printed Circuits (AREA)
- Coating Apparatus (AREA)
Abstract
The invention relates to a printed circuit board insulating layer processing device, which comprises a workbench, a spraying mechanism and a clamping and rotating mechanism, wherein the spraying mechanism is arranged on the upper end surface of the workbench, the clamping and rotating mechanism is arranged in the spraying mechanism, and the lower end of the clamping and rotating mechanism is arranged on the upper end surface of the workbench.
Description
Technical Field
The invention relates to the technical field of circuit board forming, in particular to a printed circuit board insulating layer processing device.
Background
Printed circuit board, also called printed circuit board, is one of the traditional Chinese medicine parts in the electronic industry, almost every kind of electronic equipment, as small as electronic watch, calculator, as large as computer, communication electronic equipment, military weapon system, as long as it is composed of electronic devices such as dust collecting circuit, etc., in order to realize the electrical interconnection between electronic devices, the printed circuit board must be used, the printed circuit board is formed by alternately overlapping dielectric layer (also called insulating layer) and high purity conductor (also called conducting layer), the circuit board capable of welding electronic devices is obtained by removing redundant copper foil on the copper clad plate by corrosion method, wherein the insulating layer can not only play the role of strengthening the electronic products such as moisture-proof, dirt-proof, dust-proof, square chemical pollution, etc., but also can place welding spot and conductor and air to generate the phenomenon of continuous corrosion, and can shield and eliminate some electromagnetic interference, however, the following problems occur during the processing of the insulating layer of the printed circuit board:
1. the common printed circuit board insulating layer processing device has certain working limitation, only a single surface of a circuit board can be processed in a single working procedure, and clamping operation needs to be repeatedly carried out in the conversion process of the processing surface of the circuit board, so that the uniformity of the integral stability of the circuit board is easily caused, and the phenomenon of additional deformation of the surface of the circuit board is easily caused by repeated direct rigid clamping;
2. in the process of forming the insulating layer of the circuit board by using a spraying method, insulating paint is easily remained at the insulating paint outlet end of the spraying structure, the phenomenon that the remained insulating paint drips to the circuit board causes the formed insulating layer to be in an uneven state, the state can cause heavier influence on the performance of the circuit board, and meanwhile, the side edge of the circuit board is easy to form a redundant insulating paint curing convex layer.
Disclosure of Invention
Technical scheme (I)
In order to achieve the purpose, the invention adopts the following technical scheme that the printed circuit board insulating layer processing device comprises a workbench, a spraying mechanism and a clamping and rotating mechanism, wherein the spraying mechanism is installed on the upper end face of the workbench, the clamping and rotating mechanism is arranged inside the spraying mechanism, and the lower end of the clamping and rotating mechanism is installed on the upper end face of the workbench.
The spraying mechanism comprises a cover body, a telescopic door, a track plate, a first electric slider, a base, a spraying machine, a connecting pipe, a spray head, a ventilation pipe, an exhaust fan and a base plate, wherein the lower end face of the cover body is arranged on the upper end face of a workbench, the telescopic door is arranged on the front end face of the cover body, the track plate is symmetrically arranged between the upper ends of the left inner side wall and the right inner side wall of the cover body in the front-back direction, the first electric slider is arranged in the middle of the upper end face of the track plate in a sliding fit mode, the upper end face of the first electric slider is connected with the lower end face of the base, a sliding fit mode is arranged between the lower end face of the base and the upper end face of the track plate, the spraying machine is arranged in the middle of the upper end face of the base, the connecting pipe is arranged between, the nozzle is positioned above the clamping and rotating mechanism, the middle part of the right inner side wall of the cover body is provided with a through hole, a ventilation pipe is arranged in the through hole in a sliding fit mode, the ventilation pipe is positioned below the track plate, the right end of the ventilation pipe is provided with an exhaust fan, the exhaust fan is positioned on the right side of the cover body, the lower end of the exhaust fan is provided with a seat plate, the left end face of the seat plate is connected with the right end face of, after the circuit board is clamped by the clamping and rotating mechanism, the retractable door is pulled downwards in a manual mode until the lower end face of the retractable door is attached to the upper end face of the workbench, a closed space is formed among the retractable door, the cover body and the workbench, after the retractable door is closed, drive the base through an electronic slider and move right, the base drives flush coater synchronous motion, and the flush coater pours into insulating lacquer into to the connecting pipe, and insulating lacquer passes through the connecting pipe and sprays in the circuit board surface via the shower nozzle, and flush coater stop work back is at once siphoned through the insulating coating cloud that the air exhauster exists in to the cover body.
The clamping and rotating mechanism comprises a support plate, a telescopic rod, a clamping pin, a first clamping plate, a second clamping plate, a connecting shaft, a first vertical plate, a second vertical plate, a rotating shaft, a belt and a motor, wherein the support plate is arranged between the upper end surface of the workbench and the lower end surface of the spray head, the support plate is of a U-shaped structure, the telescopic rod is symmetrically arranged on the left side and the right side of the inner rear end surface of the front end of the support plate, the clamping pin is connected between the front end of the telescopic section of the telescopic rod and the rear end of the fixed section in a sliding fit mode, the first clamping plate is arranged on the rear end surface of the telescopic rod, the second clamping plate is symmetrically arranged on the rear ends of the inner side end surfaces of the left end and the right end of the support plate, the included angle between the first clamping plate and the second clamping plate is 90 degrees, rectangular grooves are formed in the middle ends of the first clamping plate and the second clamping plate, the, the second vertical plate is arranged right ahead of the first vertical plate, the lower end of the second vertical plate is arranged on the upper end surface of the workbench, a rotating shaft is arranged between the second vertical plates through a bearing, the right end of the rotating shaft is connected with the output shaft end of a motor, the motor is positioned on the right side of the second vertical plate at the right end of the rotating shaft, the lower end of the motor is arranged on the upper end surface of the workbench, the rear end of the circuit board is firstly clamped in the rectangular groove of the second vertical plate through a manual mode, the telescopic rod is pulled backwards through a manual mode until the front end of the circuit board is clamped by the first vertical plate, then the shrinked section and the fixed section of the telescopic rod are relatively fixed through the clamping pin manually, the first vertical plate is fixed and limited, the circuit board is clamped, after the upper surface of the circuit board is sprayed with insulating paint, the rotating shaft is driven to rotate through the motor, the first clamping plate and the second clamping plate clamp the circuit board to synchronously move along with the support plate until the lower surface of the circuit board rotates to the upper part, and then the lower surface of the circuit board is sprayed with the insulating paint by the spraying mechanism.
As a preferred technical scheme of the invention, the rear side of the rotating shaft is symmetrically provided with electric push rods in the left and right directions, the lower ends of the electric push rods are arranged at the upper end of the workbench in a threaded fit mode, the upper end surface of the electric push rods is provided with a base plate, the middle part of the upper end surface of the base plate is symmetrically provided with vertical plates in the front and back directions, the upper ends of the inner side end surfaces of the vertical plates are provided with arc cover plates which are positioned at the outer sides of a first clamping plate and a second clamping plate, the outer side end surfaces of the arc cover plates are provided with inverted L-shaped plates, the lower ends of the inverted L-shaped plates are connected with clamping grooves in a sliding fit mode, the clamping grooves are arranged at the middle parts of the upper end surfaces of the vertical plates, the left inner side walls and the right inner side walls of the arc cover plates are symmetrically provided with round hole grooves, a shaft lever is, the base plate drives riser synchronous motion, the circular arc cover plate passes through the axostylus axostyle and drives the quick sponge of inhaling along with riser synchronous motion, the medial surface subsides of the sponge of inhaling at this moment in the side surface of circuit board, during spraying mechanism's working period, the quick sponge of inhaling can play the effect of in time absorbing in step to the unnecessary insulating varnish of circuit board side, form insulating varnish solidification convex layer and cause the influence to the performance of circuit board with this position follow-up in surface, the circular arc cover plate is through forming movable installation mode between falling L template and the riser, this mode can be convenient for the workman dismantle the circular arc cover plate and regularly wash the quick sponge of inhaling, cause extra pollution along with the circuit board with the insulating varnish of avoiding the quick sponge of inhaling excessively absorbing.
As a preferred technical scheme of the invention, the first clamping plate and the second clamping plate are provided with the same structure, compression springs are symmetrically arranged in the middle of the upper inner side wall and the lower inner side wall of the rectangular groove on the first clamping plate, clamping plates are arranged at the inner side ends of the compression springs, elastic layers are arranged on the lower end faces of the clamping plates, and the compression springs, the clamping plates and the elastic layers are matched to perform an elastic clamping effect on a circuit board, so that the phenomena of deformation such as sinking and the like of a clamping part of the circuit board caused by direct rigid clamping are avoided, and meanwhile, opposite acting forces are generated between the compression springs which are opposite to each other, and the clamping degree of the clamping plates on the electric board can.
As a preferred technical scheme of the invention, the lower end of the connecting pipe is provided with a ring sleeve, the ring sleeve is positioned between the lower end surface of the track plate and the upper end surface of the spray head, the left end surface of the ring sleeve is provided with an inverted L-shaped connecting plate, the right end surface of the lower end of the inverted L-shaped connecting plate is provided with a third electric slide block in a sliding fit mode, the right end of the third electric slide block is provided with a bearing plate which is positioned below the spray head, the middle part of the upper end surface of the bearing plate is provided with a bearing groove, a movable concave plate is arranged in the bearing groove in a sliding fit mode, after the spraying machine stops working, the bearing plate is driven by the third electric slide block to move backwards until the lower end of the spray head is completely positioned in the bearing groove, the third electric slide block, the bearing plate and the movable concave plate are matched to play a role in bearing dripping insulating paint so as to prevent the insulating paint from dripping on the surface of the circuit, and then improve the formability of circuit board, the detachable construction of activity concave plate is convenient for the workman to carry out periodic disassembly to it and wash.
As a preferred technical scheme of the invention, the middle part of the upper end face of the outer end face of the connecting shaft is provided with a first limit plate which is positioned at the outer side of the first vertical plate, the lower side of the first limit plate is symmetrically provided with a second limit plate in front and back, the inner end face of the second limit plate is connected with the outer end face of the first vertical plate, the included angle between the first limit plate and the second limit plate is 90 degrees, the first limit plate synchronously rotates along with the connecting shaft, when the rear end face of the first limit plate is contacted with the upper end face of the second limit plate at the rear side of the first limit plate, the circuit board just rotates 90 degrees at the moment, the lower end surface of the connecting shaft rotates to the upper part and is in a horizontal state, the first limit plate and the second limit plate work cooperatively to limit the rotation of the connecting shaft, so that the connecting shaft can only rotate 90 degrees at each time, and the accuracy between the switching of the spraying surfaces of the circuit board and the levelness after the switching are further ensured.
As a preferred technical scheme of the invention, the middle part of the upper end surface of the base plate is provided with a bottom support block, the upper end surface of the bottom support block is provided with a soft rubber layer, the bottom support block moves synchronously along with the base plate, and the bottom support plate can play a role of bottom support for the circuit board so as to avoid the phenomenon of uneven stress of the circuit board due to the suspension of the middle part, thereby improving the overall stability of the circuit board.
According to the preferred technical scheme, the upper end of the outer side end of the shaft rod is provided with the second electric sliding block, the second electric sliding block is connected with the arc cover plate in a sliding fit mode, the quick-suction sponges are arranged in a structure with equal distance from left to right, the quick-suction sponges are evenly distributed along the circumferential direction of the shaft rod, after the spraying surfaces of the circuit board are switched, the shaft rod is driven to rotate by the second electric sliding block, the shaft rod drives the quick-suction sponges to synchronously rotate, so that the quick-suction sponges for absorbing the insulating paint and the quick-suction sponges for absorbing the insulating paint are replaced, and the phenomena that the different spraying surfaces of the circuit board are contacted with the same quick-suction sponge to form cross contamination and absorb redundant insulating paint are avoided.
(II) advantageous effects
1. According to the printed circuit board insulating layer processing device, the printed circuit board insulating layer is processed by adopting the design concept of a closed spraying structure, the device can integrally form a completely closed state so as to avoid the phenomenon that insulating paint is scattered into air at will and is sucked by an operator by mistake, the clamping and rotating mechanism and the spraying mechanism are integrally matched to realize the automatic switching function of the spraying surface of the circuit board, and compared with a common spraying device, the device can improve the integrity of the integral processing of the circuit board;
2. the arc cover plate and the quick-absorption sponge are matched to play a role in synchronously and timely absorbing and removing redundant insulating paint on the side edge of the circuit board, so that an insulating paint solidification convex layer is formed on the subsequent part of the surface to influence the service performance of the circuit board, and the arc cover plate is favorable for quick disassembly through a movable installation mode formed between the inverted L-shaped plate and the vertical plate;
3. the compression springs, the clamping plates and the elastic layers are matched to clamp the circuit board elastically, so that the deformation phenomena of depression and the like of the clamping part of the circuit board caused by direct rigid clamping are avoided, and meanwhile, the clamping degree of the clamping plates to the electric board can be improved by generating opposite acting force between the compression springs which are opposite;
4. the second electric sliding block, the shaft lever and the quick-absorption sponge in an independent interval mounting structure are matched to realize replacement between the sponge which does not absorb the insulating paint and the sponge which absorbs the insulating paint, so that the phenomena of cross contamination and excessive insulating paint absorption caused by contact between different spraying surfaces of the circuit board and the same sponge are avoided;
5. the third electric sliding block, the carrying plate and the movable concave plate are matched to play a role in carrying the dripping insulating paint, so that the insulating paint is prevented from dripping on the surface of the circuit board, the formed insulating paint layer is in an uneven state, the forming performance of the circuit board is further improved, and the detachable structure of the movable concave plate is convenient for workers to detach and clean the movable concave plate regularly.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a first cross-sectional view of the present invention;
FIG. 3 is a second cross-sectional view of the present invention;
FIG. 4 is a third cross-sectional view of the present invention;
FIG. 5 is an enlarged view of the invention in section X of FIG. 2;
FIG. 6 is an enlarged view of the Y-direction portion of FIG. 2 of the present invention;
FIG. 7 is an enlarged view of the invention in the Z-direction of FIG. 3;
fig. 8 is an enlarged view of the invention in the direction of M of fig. 4.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
As shown in fig. 1 to 8, a printed circuit board insulating layer processing device comprises a workbench 1, a spraying mechanism 2 and a clamping and rotating mechanism 3, wherein the spraying mechanism 2 is installed on the upper end face of the workbench 1, the clamping and rotating mechanism 3 is arranged inside the spraying mechanism 2, and the lower end of the clamping and rotating mechanism 3 is installed on the upper end face of the workbench 1.
The spraying mechanism 2 comprises a cover body 20, a telescopic door 21, a track plate 22, a first electric slider 23, a base 24, a spraying machine 25, a connecting pipe 26, a spray head 27, a ventilating pipe 28, an exhaust fan 29 and a seat plate 210, wherein the lower end face of the cover body 20 is installed on the upper end face of the workbench 1, the telescopic door 21 is installed on the front end face of the cover body 20, the track plate 22 is symmetrically installed between the upper ends of the left inner side wall and the right inner side wall of the cover body 20 in the front-back direction, the first electric slider 23 is installed in the middle of the upper end face of the track plate 22 in a sliding fit mode, the upper end face of the first electric slider 23 is connected with the lower end face of the base 24, the lower end face of the base 24 is in a sliding fit mode with the upper end face of the track plate 22, the spraying machine 25 is installed in the middle of the upper end face of the base 24, the connecting pipe 26, the lower end of the connecting pipe 26 is provided with a spray head 27 in a threaded fit mode, the spray head 27 is positioned above the clamping and rotating mechanism 3, the middle part of the right inner side wall of the cover body 20 is provided with a through hole, a vent pipe 28 is arranged in the through hole in a sliding fit mode, the vent pipe 28 is positioned below the track plate 22, the right end of the vent pipe 28 is provided with an exhaust fan 29, the exhaust fan 29 is positioned on the right side of the cover body 20, the lower end of the exhaust fan 29 is provided with a seat plate 210, the left end surface of the seat plate 210 is connected with the right end surface of the cover body 20, after the circuit board is clamped and fixed by the clamping and rotating mechanism 3, the retractable door 21 is pulled downwards in a manual mode until the lower end surface is attached to the upper end surface of the workbench 1, at the moment, a closed space is formed among the retractable door 21, the cover body 20 and the workbench 1, after flexible door 21 closed, drive base 24 through electronic slider 23 and move right, base 24 drives flush coater 25 synchronous motion, and flush coater 25 pours into insulating paint into connecting pipe 26 into, and insulating paint passes through connecting pipe 26 and sprays on the circuit board surface via shower nozzle 27, and flush coater 25 stop work back, absorbs the insulating coating cloud that exists in the cover body 20 through air exhauster 29 at once to reduce the content of insulating coating cloud in the air.
The lower end of the connecting pipe 26 is provided with a ring sleeve 260, the ring sleeve 260 is positioned between the lower end surface of the track plate 22 and the upper end surface of the spray head 27, the left end surface of the ring sleeve 260 is provided with an inverted L-shaped connecting plate 261, the right end surface of the lower end of the inverted L-shaped connecting plate 261 is provided with a third electric slider 262 in a sliding fit mode, the right end of the third electric slider 262 is provided with a receiving plate 263, the receiving plate 263 is positioned below the spray head 27, the middle part of the upper end surface of the receiving plate 263 is provided with a receiving groove, a movable concave plate 264 is arranged in the receiving groove in a sliding fit mode, after the spraying machine 25 stops working, the receiving plate 263 is driven by the third electric slider 262 to move backwards until the lower end of the spray head 27 is completely positioned in the range of the receiving groove, the third electric slider 262, the receiving plate 263 and the movable concave plate 264 are matched to play a role in receiving dripping insulating paint, so as to prevent the insulating paint from dripping on, further, the forming performance of the circuit board is improved, and the detachable structure of the movable concave plate 264 is convenient for workers to detach and clean the movable concave plate regularly.
The clamping and rotating mechanism 3 comprises a support plate 30, an expansion link 31, a clamping pin 32, a first clamping plate 33, a second clamping plate 34, a connecting shaft 35, a first vertical plate 36, a second vertical plate 37, a rotating shaft 38, a belt 39 and a motor 310, wherein the support plate 30 is arranged between the upper end surface of the workbench 1 and the lower end surface of the spray head 27, the support plate 30 is of a U-shaped structure, the expansion link 31 is symmetrically arranged at the left and right of the inner rear end surface of the front end of the support plate 30, the clamping pin 32 is connected between the front end of the expansion section of the expansion link 31 and the rear end of the fixed section in a sliding fit mode, the first clamping plate 33 is arranged at the rear end surface of the expansion link 31, the second clamping plate 34 is symmetrically arranged at the rear end of the inner side end surface of the left end and the right end of the support plate 30, the included angle between the first clamping plate 33 and the second clamping plate 34 is 90 degrees, rectangular grooves are formed at the, the connecting shaft 35 is mounted at the upper end of a first vertical plate 36 through a bearing, the lower end of the first vertical plate 36 is mounted at the upper end surface of the workbench 1, a second vertical plate 37 is arranged right ahead of the first vertical plate 36, the lower end of the second vertical plate 37 is mounted at the upper end surface of the workbench 1, a rotating shaft 38 is mounted between the second vertical plates 37 through a bearing, the right end of the rotating shaft 38 is connected with the output shaft end of a motor 310, the motor 310 is positioned at the right side of the second vertical plate 37 at the right end of the rotating shaft 38, the lower end of the motor 310 is mounted at the upper end surface of the workbench 1, the rear end of the circuit board is firstly clamped in a rectangular groove of a second clamping plate 34 through a manual mode, the telescopic rod 31 is pulled backwards through a manual mode until the first clamping plate 33 clamps the front end of the circuit board, then the clamping rod 32 is manually utilized to relatively fix the shrinked section and the fixed section of, clamping processing is accomplished to the circuit board, after insulating paint spraying is accomplished to the circuit board upper surface, it rotates to drive pivot 38 through motor 310, pivot 38 drives connecting axle 35 synchronous revolution through belt 39, connecting axle 35 drives extension board 30 synchronous revolution, circuit board along with extension board 30 synchronous motion is smugglied secretly to a cardboard 33 and No. two cardboards 34, the lower surface of until the circuit board changes to the top, later carry out spraying insulating paint processing through spraying mechanism 2 to the lower surface of circuit board, press from both sides the whole function that can realize the automatic switch of circuit board spraying face of cooperation between slewing mechanism 3 and the spraying mechanism 2, compare with common spraying device, this device can improve circuit board overall processing's integrality.
The first clamping plate 33 and the second clamping plate 34 are provided with the same structure, compression springs 330 are symmetrically arranged in the middle of the upper inner side wall and the lower inner side wall of a rectangular groove in the first clamping plate 33, clamping plates 331 are arranged at the inner side ends of the compression springs 330, an elastic layer is arranged on the lower end face of each clamping plate 331, the compression springs 330, the clamping plates 331 and the elastic layers are matched to perform an elastic clamping effect on the circuit board, so that the phenomena of deformation such as sinking of a circuit board clamping part caused by direct rigid clamping are avoided, and meanwhile, opposite acting force generated between the positive and opposite compression springs 330 can improve the clamping degree of the clamping plates 331 on the electric board.
The rear side of the rotating shaft 38 is symmetrically provided with electric push rods 380 from left to right, the lower ends of the electric push rods 380 are arranged at the upper end of the workbench 1 in a threaded fit mode, the upper end face of the electric push rods 380 is provided with a base plate 381, the middle part of the upper end face of the base plate 381 is symmetrically provided with vertical plates 382 from front to back, the upper ends of the inner side faces of the vertical plates 382 are provided with arc cover plates 382, the arc cover plates 382 are positioned at the outer sides of a first clamping plate 33 and a second clamping plate 34, the outer side end faces of the arc cover plates 382 are provided with inverted L-shaped plates 383, the lower ends of the inverted L-shaped plates 383 are connected with clamping grooves in a sliding fit mode, the clamping grooves are arranged at the middle parts of the upper end faces of the vertical plates 382, the left inner side wall and the right inner side wall of the arc cover plates 382 are symmetrically provided with round hole grooves, the base plate 381 is pushed upwards to the corresponding position through the electric push rod 380, the base plate 381 drives the vertical plates 382 to move synchronously, the arc cover plate 382 drives the quick suction sponge 385 to move synchronously along with the vertical plates 382 through the shaft rod 384, the inner side end face of the quick suction sponge 385 is attached to the side surface of the circuit board at the time, during the working period of the spraying mechanism 2, the quick suction sponge 385 can play a role of synchronously and timely sucking and removing redundant insulating paint on the side edge of the circuit board, an insulating paint solidification convex layer is formed on the follow-up position of the surface to influence the use performance of the circuit board, the arc cover plate 382 forms a movable installation mode through the inverted L-shaped plate 383 and the vertical plates 382, and the mode can facilitate a worker to detach the arc cover plate 382 to clean the quick suction sponge 385 regularly so as to avoid excessive absorption of the quick suction sponge 385 and additional pollution.
The utility model discloses a circuit board, including base plate 381, bottom bracing piece 38 a's up end is provided with soft rubber layer, bottom bracing piece 38a is along with base plate 381 synchronous motion, the bottom bracing piece can play the effect of bottom sprag to the circuit board, in order to avoid its circuit board to appear the inhomogeneous phenomenon of atress because of the middle part is unsettled, improve the holistic firm degree of circuit board then, before the circuit board spouts the drawing face conversion, drive bottom bracing piece 38a downstream through electric putter 380, until the lower terminal surface and the workstation 1 up end contact of base plate 381.
The middle part of the upper end face of the outer end face of the connecting shaft 35 is provided with a first limiting plate 350, the first limiting plate 350 is positioned at the outer side of the first vertical plate 36, a second limiting plate 351 is symmetrically arranged at the front and back of the lower side of the first limiting plate 350, the inner end face of the second limiting plate 351 is connected with the outer end face of the first vertical plate 36, the included angle between the first limiting plate 350 and the second limiting plate 351 is 90 degrees, the first limiting plate 350 synchronously rotates along with the connecting shaft 35, when the rear end face of the first limit plate 350 contacts with the upper end face of the second limit plate 351 at the rear side thereof, the circuit board rotates by 90 degrees, the lower end surface of the connecting shaft is rotated to the upper part and is in a horizontal state, the first limit plate 350 and the second limit plate 351 work cooperatively to limit the rotation of the connecting shaft 35, so that the connecting shaft 35 can only rotate 90 degrees at a time, and further the accuracy between the switching of the spraying surfaces of the circuit board and the levelness after the switching are ensured.
The upper end of the outer side end of the shaft rod 384 is provided with a second electric sliding block 38b, the second electric sliding block 38b is connected with the arc cover plate 382 in a sliding fit mode, the quick suction sponge 385 is of an equidistance arrangement structure from left to right, the quick suction sponge 385 is evenly arranged along the circumferential direction of the shaft rod 384, after the spraying surfaces of the circuit board are switched, the shaft rod 384 is driven to rotate by the second electric sliding block 38b, the shaft rod 384 drives the quick suction sponge 385 to synchronously rotate, so that the quick suction sponge 385 for absorbing insulating paint and the quick suction sponge 385 for absorbing insulating paint are replaced, and the phenomena that cross contamination and redundant insulating paint are absorbed due to the fact that different spraying surfaces of the circuit board are contacted with the same quick suction sponge 385 are avoided.
When the circuit board clamping device works, the rear end of the circuit board is clamped in the rectangular groove of the second clamping plate 34 manually, the telescopic rod 31 is pulled backwards manually until the first clamping plate 33 clamps the front end of the circuit board, then the telescopic section and the fixed section of the telescopic rod 31 are fixed relatively by manually utilizing the clamping pin 32, the first clamping plate 33 is fixed and limited, after the circuit board is clamped, the telescopic door 21 is pulled downwards manually until the lower end face of the telescopic door is attached to the upper end face of the workbench 1, a closed space is formed among the telescopic door 21, the cover body 20 and the workbench 1, the base plate 381 is pushed upwards to a corresponding position by the electric push rod 380, the base plate 381 drives the vertical plate 382 to move synchronously, the arc cover plate 382 drives the quick-suction sponge 385 to move synchronously along with the vertical plate 382 through the shaft rod 384, and the inner side face of the quick-suction sponge 385 is attached to the side surface of the circuit board, then, the first electric slide block 23 drives the base 24 to move rightwards, the base 24 drives the spraying machine 25 to move synchronously, the spraying machine 25 injects insulating paint into the connecting pipe 26, the insulating paint is sprayed on the surface of the circuit board through the connecting pipe 26 and the spray head 27, the upper surface of the circuit board is sprayed with the insulating paint and waits for a period of time to solidify the insulating paint, then the motor 310 drives the rotating shaft 38 to rotate, the rotating shaft 38 drives the connecting shaft 35 to rotate synchronously through the belt 39, the connecting shaft 35 drives the support plate 30 to rotate synchronously, the first clamping plate 33 and the second clamping plate 34 carry the circuit board to move synchronously along with the support plate 30, the first limiting plate 350 rotates synchronously along with the connecting shaft 35, when the rear end face of the first limiting plate 350 contacts with the upper end face of the second limiting plate 351 on the rear side, the circuit board rotates just 90 degrees, the lower end face of the circuit board rotates upwards and becomes a horizontal state, and then, after the spraying machine 25 stops working, the insulating paint mist existing in the cover body 20 is immediately absorbed through the exhaust fan 29, so that the content of the insulating paint mist in the air is reduced, meanwhile, the receiving plate 263 is immediately driven by the third electric sliding block 262 to move backwards until the lower end of the spray head 27 is completely in the range of receiving the groove, the third electric sliding block 262, the receiving plate 263 and the movable concave plate 264 are matched to play a role in receiving the dripping insulating paint, and the insulating paint is prevented from dripping onto the surface of the circuit board so that the formed insulating paint layer is in an uneven state.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a printed circuit board insulating layer processingequipment, includes workstation (1), spraying mechanism (2) and presss from both sides commentaries on classics mechanism (3), its characterized in that: the spraying mechanism (2) is installed on the upper end face of the workbench (1), the clamping and rotating mechanism (3) is arranged inside the spraying mechanism (2), and the lower end of the clamping and rotating mechanism (3) is installed on the upper end face of the workbench (1);
the spraying mechanism (2) comprises a cover body (20), a telescopic door (21), a track plate (22), a first electric slider (23), a base (24), a spraying machine (25), a connecting pipe (26), a spray head (27), a ventilation pipe (28), an exhaust fan (29) and a seat plate (210), wherein the lower end face of the cover body (20) is installed on the upper end face of the workbench (1), the telescopic door (21) is installed on the front end face of the cover body (20), the track plate (22) is symmetrically installed between the upper ends of the left inner side wall and the right inner side wall of the cover body (20) in a front-back mode, the first electric slider (23) is installed in the middle of the upper end face of the track plate (22) in a sliding fit mode, the upper end face of the first electric slider (23) is connected with the lower end face of the base (24), the lower end face of the base (24) is in a sliding fit mode with the upper end face of, the middle part of the lower end face of the spraying machine (25) is provided with a connecting pipe (26), the connecting pipe (26) is positioned between the track plates (22), the connecting pipe (26) is connected with the middle part of the base (24) in a sliding fit mode, the lower end of the connecting pipe (26) is provided with a spray head (27) in a thread fit mode, the spray head (27) is positioned above the clamping and rotating mechanism (3), the middle part of the right inner side wall of the cover body (20) is provided with a through hole, a ventilation pipe (28) is arranged in the through hole in a sliding fit mode, the ventilation pipe (28) is positioned below the track plates (22), the right end of the ventilation pipe (28) is provided with an exhaust fan (29), the exhaust fan (29) is positioned on the right side of the cover body (20), the lower end of the exhaust fan (29) is;
the clamping and rotating mechanism (3) comprises a support plate (30), an expansion rod (31), clamping pins (32), a first clamping plate (33), a second clamping plate (34), a connecting shaft (35), a first vertical plate (36), a second vertical plate (37), a rotating shaft (38), a belt (39) and a motor (310), wherein the support plate (30) is arranged between the upper end face of the workbench (1) and the lower end face of the spray head (27), the support plate (30) is of a U-shaped structure, the expansion rods (31) are symmetrically installed on the left side and the right side of the inner rear end face of the front end of the support plate (30), the clamping pins (32) are connected between the front end of the telescopic section of the expansion rod (31) and the rear end of the fixed section in a sliding fit mode, the first clamping plate (33) is installed on the rear end face of the expansion rod (31), the second clamping plate (34) is symmetrically installed on the rear ends of the inner side faces of the left end and the right end, rectangular grooves are formed in the middle ends of the first clamping plate (33) and the second clamping plate (34), connecting shafts (35) are symmetrically mounted in the middles of the outer end faces of the left end and the right end of the support plate (30), the connecting shafts (35) are mounted at the upper ends of the first vertical plate (36) through bearings, the lower end of the first vertical plate (36) is mounted on the upper end face of the workbench (1), the second vertical plate (37) is arranged right in front of the first vertical plate (36), the lower end of the second vertical plate (37) is mounted on the upper end face of the workbench (1), a rotating shaft (38) is mounted between the second vertical plate (37) through bearings, the right end of the rotating shaft (38) is connected with the output shaft end of the motor (310), the motor (310) is located on the right side of the second vertical plate (37) at the right end of the rotating shaft (38), and the lower end of the motor (310.
2. The apparatus for processing the insulating layer of the printed circuit board according to claim 1, wherein: the rear side of the rotating shaft (38) is symmetrically provided with electric push rods (380) in a left-right mode, the lower ends of the electric push rods (380) are arranged at the upper end of the workbench (1) in a threaded fit mode, the upper end face of the electric push rods (380) is provided with a base plate (381), the middle part of the upper end face of the base plate (381) is symmetrically provided with vertical plates (382) in a front-back mode, the upper end of the inner side end face of each vertical plate (382) is provided with an arc cover plate (382), the arc cover plate (382) is positioned at the outer sides of the first clamping plate (33) and the second clamping plate (34), the outer side end face of each arc cover plate (382) is provided with an inverted L-shaped plate (383), the lower end of the inverted L-shaped plate (383) is connected with a clamping groove in a sliding fit mode, the clamping groove is formed in the middle part of the upper end face of the, the shaft lever (384) is provided with a quick-suction sponge (385).
3. The apparatus for processing the insulating layer of the printed circuit board according to claim 1, wherein: the clamping plate I (33) and the clamping plate II (34) are provided with the same structure, compression springs (330) are symmetrically arranged in the middle of the upper inner side wall and the lower inner side wall of a rectangular groove in the clamping plate I (33), clamping plates (331) are arranged at the inner side ends of the compression springs (330), and elastic layers are arranged on the lower end faces of the clamping plates (331).
4. The apparatus for processing the insulating layer of the printed circuit board according to claim 1, wherein: the lower extreme of connecting pipe (26) install ring cover (260), ring cover (260) are located between the up end of the lower terminal surface of track board (22) and shower nozzle (27), the left end face of ring cover (260) is installed and is fallen L type even board (261), the right-hand member face of the lower extreme of the even board of falling L type (261) installs No. three electronic slider (262) through sliding fit, the right-hand member of No. three electronic slider (262) is installed and is accepted board (263), accept board (263) and be located the below of shower nozzle (27), accept the up end middle part of board (263) and seted up and accept the recess, accept in the recess and install movable concave plate (264) through sliding fit.
5. The apparatus for processing the insulating layer of the printed circuit board according to claim 1, wherein: connecting axle (35) outside terminal surface's up end mid-mounting have limiting plate (350) No. one, limiting plate (350) are located the outside of riser (36) No. one, the downside front and back symmetry of limiting plate (350) is provided with No. two limiting plates (351), the medial surface of No. two limiting plates (351) links to each other with the outside terminal surface of riser (36) No. one, the contained angle between limiting plate (350) and No. two limiting plates (351) is 90.
6. The apparatus for processing the insulating layer of the printed circuit board according to claim 2, wherein: the middle part of the upper end surface of the base plate (381) is provided with a bottom support block (38a), and the upper end surface of the bottom support block (38a) is provided with a soft rubber layer.
7. The apparatus for processing the insulating layer of the printed circuit board according to claim 2, wherein: the upper end of the outer side end of the shaft rod (384) is provided with a second electric sliding block (38b), the second electric sliding block (38b) is connected with the arc cover plate (382) in a sliding fit mode, the quick suction sponge (385) is arranged in an equidistant mode from left to right, and the quick suction sponge (385) is uniformly arranged along the circumferential direction of the shaft rod (384).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010686414.XA CN111770643B (en) | 2020-07-16 | 2020-07-16 | Printed circuit board insulating layer processing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010686414.XA CN111770643B (en) | 2020-07-16 | 2020-07-16 | Printed circuit board insulating layer processing device |
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| CN111770643A true CN111770643A (en) | 2020-10-13 |
| CN111770643B CN111770643B (en) | 2021-12-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112702862A (en) * | 2020-12-25 | 2021-04-23 | 中研(山东)测控技术有限公司 | Integrated module for the field of industrial automation |
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| DE2519629A1 (en) * | 1975-05-02 | 1976-11-11 | Adam Pill | Liq. treating appts. - e.g. for etching a continuous flow of articles partic. printed circuits with transverse reciprocating spray frame |
| CN105357883A (en) * | 2015-11-30 | 2016-02-24 | 成都市天目电子设备有限公司 | Turnover easy-to-take fixture special for clamping circuit board |
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| CN112702862A (en) * | 2020-12-25 | 2021-04-23 | 中研(山东)测控技术有限公司 | Integrated module for the field of industrial automation |
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| CN111770643B (en) | 2021-12-31 |
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