Coating machine for processing circuit board
Technical Field
The utility model belongs to the technical field of circuit board processing, especially, relate to a coating machine is used in circuit board processing.
Background
A process used in the SM process in the production of PCBs, in brief: the method is to uniformly coat the green oil or other printing ink on the PCB board, and obtain the required pattern and thickness through the steps of coating, prebaking, developing and the like.
When the existing circuit board coating machine is used, manual feeding is needed, the circuit board is fed into the coating roller by means of manual driving force, the circuit board is not cleaned before coating, and the coating roller is contaminated with more coating, so that wire holes in the circuit board are blocked.
Therefore, it is necessary to provide a coating machine for processing a circuit board.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a coating machine is used in circuit board processing to solve current circuit board coating machine and need artifical pay-off when using, in sending the circuit board to the coating roll with the help of artificial driving force, do not carry out clear function to the circuit board in addition before the coating, and the coating that the coating roll is infected with is more, causes the line hole on the circuit board by stifled dead problem. A coating machine for processing a circuit board comprises a machine box body, bottom feet, an access door, a feeding mechanism, a dust removal assembly and a coating mechanism, wherein the bottom feet are arranged at the four corners of the bottom of the machine box body; the access door is arranged on one side of the machine box body; the feeding mechanism is arranged above the case body; the dust removal assembly is arranged between the feeding mechanism and the coating mechanism and is detachably connected with the machine box body; the coating mechanism is detachably connected with the case body.
The feeding mechanism comprises a plurality of feeding rollers, a transmission gear, a transmission motor and a toothed chain, wherein two ends of each feeding roller are connected with the case body through a bearing with a seat; the plurality of transmission gears are respectively matched and connected with the feeding roller and the transmission motor; the toothed chain is connected with the transmission gear in a matched mode, the transmission motor drives the material feeding roller to rotate through the matching of the transmission gear and the toothed chain, and when the circuit board feeding device works, the circuit board can be directly placed on the material feeding roller without manual holding or manpower.
The dust removal assembly comprises a mounting seat, an upper dust-sticking roller, a lower dust-sticking roller, a rotating gear and an auxiliary gear, wherein 2 mounting seats are adopted and are fixed on two sides above the case body through bolts; the two ends of the upper dust-binding roller and the lower dust-binding roller are both arranged between the mounting seat and the mounting seat through the bearings with seats; 2 rotating gears are adopted, are respectively arranged at the right ends of the upper dust-sticking roller and the lower dust-sticking roller and are in meshed connection; the auxiliary gear set up in one side of rotating gear to with lower dust binding roller coaxial arrangement, auxiliary gear is connected with the gear train meshing, under the gear train drives and rotating gear's meshing, can realize going up the rotation of dust binding roller and lower dust binding roller, the circuit board passes in last dust binding roller and the lower dust binding roller, the rotation of going up dust binding roller and lower dust binding roller can fall the dust adhesion of circuit board two sides, has guaranteed the cleanability of circuit board.
The coating mechanism comprises an upper coating roller, a lower coating roller, a coating motor, a screw rod sliding table, a coating assembly, a liquid guide pipe and a pressure pump, wherein two ends of the upper coating roller and two ends of the lower coating roller are arranged on a machine box body through a bearing with a base; the screw rod sliding table is arranged above the upper coating roller, and a coating assembly is assembled below the screw rod sliding table; the coating assembly is connected with the pressure pump through a liquid guide pipe; the utility model discloses a circuit board coating device, including pressure pump, coating motor, lead screw slip table, coating roller and lower coating roller, the force pump pass through the pipe and be connected with the coating liquid case, the coating motor passes through the rotation of gear drive upper coating roller and lower coating roller, the fluid of scribbling in the force pump will coating liquid case in transmitting to the coating subassembly through the catheter, under the drive of lead screw slip table, the coating subassembly is at upper coating roller reciprocating motion, can scribble the coating roller with the coating liquid coating, at upper coating roller and under the coating roller friction contact down, on the coating roller will scribble the fluid coating under to the coating roller again, the circuit board gets into between upper coating roller and the lower coating roller afterwards, the two-sided coating of circuit board can be realized to upper coating roller and lower coating roller, because the coating on upper coating roller and the.
The coating assembly comprises an arc-shaped shell, a liquid inlet pipe and a coating sponge, wherein the arc-shaped shell is fixed below the screw rod sliding table through a bolt; the liquid inlet pipe is arranged on one side of the arc-shaped shell; the coating sponge is bonded on the inner side of the arc-shaped shell; the arc-shaped shell is attached to the upper coating roller, coating liquid enters the arc-shaped shell and is absorbed by the coating sponge, and then the coating sponge is used for uniformly coating the upper coating roller.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the feeding mechanism of the utility model is arranged, the transmission motor drives the feeding roller to rotate through the matching of the transmission gear and the toothed chain, and when the feeding mechanism works, the circuit board is directly placed on the feeding roller without manual control or manpower;
2. the dust removal component can realize the rotation of the upper dust-sticking roller and the lower dust-sticking roller under the driving of the toothed chain and the meshing of the rotating gear, the circuit board passes through the upper dust-sticking roller and the lower dust-sticking roller, and the rotation of the upper dust-sticking roller and the lower dust-sticking roller can adhere dust on two sides of the circuit board, thereby ensuring the cleanness of the circuit board;
3. the utility model discloses the setting of coating mechanism, the coating motor passes through the rotation of gear drive upper coating roll and lower coating roll, the coating liquid of force pump in with the coating liquid case is in catheter transmission to the coating unit, under the drive of lead screw slip table, the coating unit is at upper coating roll reciprocating motion, can coat the liquid coating on the coating roll, under upper coating roll and lower coating roll frictional contact, the upper coating roll coats the liquid coating on the lower coating roll again, the circuit board gets into between upper coating roll and the lower coating roll afterwards, the two-sided coating of circuit board can be realized to upper coating roll and lower coating roll, because coating on upper coating roll and the lower coating roll is even, and thickness is little, the effectual line hole of having avoided on the circuit board is by the dead circumstances of stifled;
4. the utility model discloses the setting of coating unit is absorbed by the coating sponge after the masking liquid gets into arc casing, and then the coating sponge carries out even coating to last coating roller.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of the feeding mechanism of the present invention.
Fig. 3 is a schematic structural diagram of the dust removing assembly of the present invention.
Fig. 4 is a schematic structural view of the coating mechanism of the present invention.
Fig. 5 is a schematic structural view of the coating module of the present invention.
In the figure:
1-machine box body, 2-bottom foot, 3-access door, 4-feeding mechanism, 41-feeding roller, 42-transmission gear, 43-transmission motor, 44-toothed chain, 5-dust-removing component, 51-mounting seat, 52-upper dust-sticking roller, 53-lower dust-sticking roller, 54-rotating gear, 55-auxiliary gear, 6-coating mechanism, 61-upper coating roller, 62-lower coating roller, 63-coating motor, 64-lead screw sliding table, 65-coating component, 651-arc shell, 652-liquid inlet pipe, 653-coating sponge, 66-liquid guide pipe and 67-pressure pump.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in figures 1 to 5
The utility model provides a coating machine for processing circuit boards, which comprises a machine box body 1, bottom feet 2, an access door 3, a feeding mechanism 4, a dust removal assembly 5 and a coating mechanism 6, wherein the bottom feet 2 are arranged at the four corners of the bottom of the machine box body 1; the access door 3 is arranged on one side of the machine box body 1; the feeding mechanism 4 is arranged above the case body 1; the dust removal component 5 is arranged between the feeding mechanism 4 and the coating mechanism 6, and the dust removal component 5 is detachably connected with the case body 1; the coating mechanism 6 is detachably connected with the case body 1.
The feeding mechanism 4 comprises a plurality of feeding rollers 41, a transmission gear 42, a transmission motor 43 and a toothed chain 44, wherein two ends of each feeding roller 41 are connected with the case body 1 through a bearing with a seat; a plurality of transmission gears 42 are adopted and are respectively matched and connected with the feeding roller 41 and the transmission motor 43; the toothed chain 44 is connected with the transmission gear 42 in a matching mode, the transmission motor 43 drives the feeding roller 41 to rotate through the matching of the transmission gear 42 and the toothed chain 44, and when the circuit board feeding device works, the circuit board can be directly placed on the feeding roller 41 without manual holding or manpower.
The dust removal assembly 5 comprises an installation seat 51, an upper dust-binding roller 52, a lower dust-binding roller 53, a rotating gear 54 and an auxiliary gear 55, wherein 2 installation seats 51 are fixed on two sides above the case body 1 through bolts; the two ends of the upper dust-binding roller 52 and the lower dust-binding roller 53 are both arranged between the mounting seat 51 and the mounting seat 51 through a bearing with a seat; 2 rotating gears 54 are respectively arranged at the right ends of the upper dust-binding roller 52 and the lower dust-binding roller 53 and are in meshed connection; the auxiliary gear 55 is arranged on one side of the rotating gear 54 and is coaxially mounted with the lower dust-sticking roller 53, the auxiliary gear 55 is meshed with the toothed chain 44, the toothed chain 44 drives the auxiliary gear to be meshed with the rotating gear 54, the rotation of the upper dust-sticking roller 52 and the lower dust-sticking roller 53 can be realized, the circuit board penetrates through the upper dust-sticking roller 52 and the lower dust-sticking roller 53, the rotation of the upper dust-sticking roller 52 and the lower dust-sticking roller 53 can adhere dust on two sides of the circuit board, and the cleanness of the circuit board is ensured.
The coating mechanism 6 comprises an upper coating roller 61, a lower coating roller 62, a coating motor 63, a screw rod sliding table 64, a coating assembly 65, a liquid guide pipe 66 and a pressure pump 67, wherein two ends of the upper coating roller 61 and the lower coating roller 62 are arranged on the machine box body 1 through a bearing with a seat, and one end of the upper coating roller 61 and one end of the lower coating roller 62 are provided with gears and are in meshed connection with the gears on the coating motor 63; the screw rod sliding table 64 is arranged above the upper coating roller 61, and a coating assembly 65 is assembled below the screw rod sliding table 64; the coating assembly 65 is connected with a pressure pump 67 through a liquid guide pipe 66; the pressure pump 67 is connected with the coating liquid tank through a conduit, the coating motor 63 drives the upper coating roller 61 and the lower coating roller 62 to rotate through a gear, the coating liquid in the coating liquid tank is transmitted into the coating assembly 65 through the liquid guide pipe 66 by the pressure pump 67, the coating assembly 65 reciprocates on the upper coating roller 61 under the driving of the screw rod sliding table 64, the coating liquid can be coated on the upper coating roller 61, the upper coating roller 61 and the lower coating roller 62 are in friction contact, the coating liquid is coated on the lower coating roller 62 by the upper coating roller 61, then the circuit board enters between the upper coating roller 61 and the lower coating roller 62, the double-sided coating of the circuit board can be realized by the upper coating roller 61 and the lower coating roller 62, and the coating on the upper coating roller 61 and the lower coating roller 62 is uniform and small in thickness, so that the situation that the wire holes on the circuit board are blocked is effectively avoided.
The coating assembly 65 comprises an arc-shaped shell 651, a liquid inlet pipe 652 and a coating sponge 653, wherein the arc-shaped shell 651 is fixed below the screw rod sliding table 64 through bolts; the liquid inlet pipe 652 is arranged on one side of the arc-shaped shell 651; the coating sponge 653 is adhered to the inner side of the arc-shaped shell 651; the arc-shaped shell 651 is attached to the upper coating roller 61, the coating liquid enters the arc-shaped shell 651 and then is absorbed by the coating sponge 653, and then the coating sponge 653 uniformly coats the upper coating roller 61.
Principle of operation
In the utility model, when in operation, directly put the circuit board on the material feeding roller 41, the transmission motor 43 drives the material feeding roller 41 to rotate through the cooperation of the transmission gear 42 and the toothed chain 44, the transmission of the circuit board is realized, the rotation of the upper dust-sticking roller 52 and the lower dust-sticking roller 53 can be realized under the drive of the toothed chain 44 and the meshing of the rotating gear 54, the circuit board passes through the upper dust-sticking roller 52 and the lower dust-sticking roller 53, the dust on the two sides of the circuit board can be adhered off through the rotation of the upper dust-sticking roller 52 and the lower dust-sticking roller 53, the cleanness of the circuit board is ensured, then the circuit board enters the coating mechanism 6, the coating motor 63 drives the upper coating roller 61 and the lower coating roller 62 to rotate through the gear, the coating liquid in the coating liquid box is transmitted to the coating component 65 through the liquid guide pipe 66 by the pressure pump 67, under the drive of the screw rod sliding table 64, the coating component 65 reciprocates on the upper coating roller 61, under the friction contact of the upper coating roller 61 and the lower coating roller 62, the upper coating roller 61 coats the coating liquid on the lower coating roller 62, then the circuit board enters between the upper coating roller 61 and the lower coating roller 62, the upper coating roller 61 and the lower coating roller 62 can realize the double-sided coating of the circuit board, and the condition that the wire holes on the circuit board are blocked is effectively avoided due to the fact that the coating on the upper coating roller 61 and the lower coating roller 62 is uniform and small in thickness.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.