CN217523009U

CN217523009U - PCB etching device

Info

Publication number: CN217523009U
Application number: CN202220795130.9U
Authority: CN
Inventors: 郑启森; 刘勇; 凌文华
Original assignee: Kai Mau Electronics Dingnan Co ltd
Current assignee: Kai Mau Electronics Dingnan Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-09-30
Anticipated expiration: 2032-04-07

Abstract

The utility model relates to a PCB etching equipment technical field provides a PCB etching device. Including quick-witted case, the operation window has been seted up in the middle of the top of quick-witted case, quick-witted incasement rotation is connected with the multiunit roller, be connected with inside and outside two sets of conveyer belts through the roller transmission, wherein inboard conveyer belt is fixed with the fixed sleeve of multiunit, wherein the outside conveyer belt has the movable sleeve of multiunit through slip table sliding connection, it is connected with the anchor clamps of centre gripping PCB board to rotate through fixed sleeve and movable sleeve, quick-witted case is equipped with dust absorption portion in the left side of operation window, quick-witted case is equipped with the cadre on the right side of operation window, it has etching liquid to let in to quick-witted incasement through the feed liquor pipe, machine incasement is fixed with the liquid pump, the output of liquid pump is connected with two sets of pipes, pipe connection has the shower nozzle. The utility model adopts an immersion etching mode, and the etching is more uniform and thorough; the dust collection part and the drying part are arranged, so that dust can be removed and cleaned before the PCB is etched, the etched PCB can be dried, and the etching quality and efficiency are improved.

Description

PCB etching device

Technical Field

The utility model relates to a PCB etching equipment technical field, in particular to PCB etching device.

Background

The PCB board involves image transfer during the manufacturing process, and the image transfer is mainly accomplished by exposure, development and etching processes. The existing etching equipment mainly adopts a spraying mode to etch. The spray equipment typically chemically reacts the horizontally moving material by spraying the etching solution downward. Under the spraying mode, the etching solution can form a layer of water film on the surface of the substrate, so that new etching solution is prevented from contacting the substrate, and a water pool effect is formed on the surface. Thereby causing the etching to be non-uniform and thorough.

And the spraying mode can not ensure that the residue generated by etching is thoroughly separated from the etching surface, and the problem of poor circuit caused by the adhesion of the etching residue on the surface of the substrate can occur.

Meanwhile, the existing etching device lacks a PCB dust removal mechanism, and when dust and particles appear on the surface of the PCB, the etching effect of the PCB can be influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a PCB etching device, mainly used solve the inhomogeneous problem of fountain PCB board etching mode etching to and solve dust removal and the stoving problem among the PCB board etching process.

The above technical problem of the present invention can be solved by the following technical solutions: comprises a case, an operation window is arranged in the middle of the top of the case, a plurality of groups of rollers are rotationally connected in the case, an inner group of conveying belts and an outer group of conveying belts are connected in a transmission manner through the rollers, the two groups of conveying belts are arranged at intervals, a plurality of groups of fixed sleeves are fixed on the inner side of the conveying belts, a plurality of groups of movable sleeves are connected on the outer side of the conveying belts in a sliding manner through a sliding table, the fixed sleeves and the movable sleeves are correspondingly used in groups in a front-back one-to-one manner, a clamp for clamping a PCB is rotationally connected through the fixed sleeves and the movable sleeves, a dust suction part is arranged on the left side of the operation window of the case, a drying part is arranged on the right side of the operation window of the case, one side of the case is connected with a liquid inlet pipe, the bottom of the case is connected with a liquid outlet pipe, etching liquid is introduced into the case through the liquid inlet pipe, and a liquid pump is fixed in the case, the output end of the liquid pump is connected with two groups of guide pipes, the guide pipes are connected with spray heads, and the two groups of spray heads respectively point to the left side and the right side of the conveying belt.

Preferably, the dust collection part comprises two groups of left supports, the left supports are fixed on the upper side and the lower side of the conveyor belt, a dust collection disc is fixed in the middle of the left supports, and a plurality of groups of air pipes are fixedly connected on the two sides of the left supports. The dust collection disc is connected with an external dust collector, and the air pipe is connected with an external air pump. The PCB on the clamp is blown by high-pressure air blown out from the air pipe, dust and particles on the surface of the PCB are blown away, and the dust and the particles are adsorbed by the dust collection disc.

Preferably, the drying part comprises two groups of right supports, the right supports are fixed on the upper side and the lower side of the conveyor belt, and a hot air blower is fixed in the middle of each right support.

Preferably, the conveyor belt is supported by the rollers in a combined hexagonal shape of a rectangle and an isosceles trapezoid. Or the shape of the conveyor belt is a rectangle, and the bottom of the preferential conveyor belt is an isosceles trapezoid, so that the PCB can be prevented from being excessively contacted with the etching solution, and the excessive etching can be avoided.

Preferably, the movable sleeve is spirally connected with a locking bolt, and the movable sleeve is fixed on the sliding table through the locking bolt. Insert fixed sleeve with the bull stick one end of anchor clamps earlier, then remove movable sleeve, insert movable sleeve with the other end of bull stick in, screw up locking bolt at last, be fixed in the slip table with movable sleeve.

As preferred, the one end of anchor clamps is equipped with the bull stick, anchor clamps pass through the bull stick with fixed sleeve and movable sleeve rotate to be connected, the centre of anchor clamps is equipped with the ladder groove, the bottom in ladder groove is equipped with the multiunit spring, anchor clamps are in the left and right sides in ladder groove rotates and is connected with the locking buckle, the PCB board place in the ladder inslot, through the locking buckle with the interact power restraint of spring in the ladder inslot.

Preferably, rubber pads are fixed at the upper end and the lower end of one side of the clamp, and the rubber pads and the rotating rod are located on two opposite sides of the clamp. In the process that the clamp is conveyed by the conveying belt, the clamp can rotate at a corner, and the existence of the rubber pad can reduce the collision force between the clamp and the conveying belt.

The utility model has the advantages that: the immersion etching mode is adopted, and compared with the spray etching, the etching is more uniform and thorough; the dust collection part and the drying part are arranged, so that dust can be removed and cleaned before the PCB is etched, the etched PCB can be dried, and the etching quality and efficiency are improved.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a front view of the present invention;

FIG. 4 is an enlarged view of a detail A of the present invention;

FIG. 5 is a top view of the component holder of the present invention;

FIG. 6 is an elevation view of the component holder of the present invention;

the notation in the figure is:

1. the automatic cleaning machine comprises a machine box, a working window 2, a liquid inlet pipe 3, a liquid outlet pipe 4, a liquid pump 5, a guide pipe 6, a left support 7, an air pipe 8, a dust collection plate 9, a hot air device 10, a roller 11, a conveying belt 12, a movable sleeve 13, a clamp 14, a sliding table 15, a fixed sleeve 16, a rotating rod 17, a rubber pad 18, a stepped groove 19, a locking buckle 20, a spring 21, a right support 22, a spray head 23 and a locking bolt 24.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): the PCB etching device of the embodiment is shown in figures 1-6, and comprises a case 1, wherein an operation window 2 is arranged in the middle of the top of the case 1, a plurality of groups of rollers 11 are rotationally connected in the case 1, an inner group of conveying belts and an outer group of conveying belts 12 are in transmission connection through the rollers 11, the two groups of conveying belts 12 are arranged at intervals, a plurality of groups of fixed sleeves 16 are fixed on the inner side conveying belts 12, a plurality of groups of movable sleeves 13 are slidably connected on the outer side conveying belts 12 through sliding tables 15, the fixed sleeves 16 and the movable sleeves 13 are used in groups in a one-to-one correspondence manner, a clamp 14 for clamping a PCB is rotationally connected through the fixed sleeves 16 and the movable sleeves 13, a dust suction part is arranged on the left side of the operation window 2 of the case 1, a drying part is arranged on the right side of the operation window 2 of the case 1, a liquid inlet pipe 3 is connected on one side of the case 1, a liquid outlet pipe 4 is connected on the bottom of the case 1, etching liquid is introduced into the case 1 through the liquid inlet pipe 3, a liquid pump 5 is fixed in the case 1, the output end of the liquid pump 5 is connected with two groups of guide pipes 6, the guide pipes 6 are connected with spray heads 23, and the two groups of spray heads 23 respectively point to the left side and the right side of the conveyor belt 12.

The dust collection part comprises two groups of left supports 7, the left supports 7 are fixed on the upper side and the lower side of the conveyor belt 12, a dust collection disc 9 is fixed in the middle of each left support 7, and a plurality of groups of air pipes 8 are fixedly connected on the two sides of each left support 7. The dust collection disc 9 is connected with an external dust collector, and the air pipe 8 is connected with an external air pump. The PCB on the clamp 14 is blown by high-pressure air blown from the air pipe 8, dust and particles on the surface of the PCB are blown away, and the dust and the particles are adsorbed by the dust collection disc 9.

Wherein, the drying part comprises two groups of right brackets 22, the right brackets 22 are fixed on the upper and lower sides of the conveyor belt 12, and the hot air blower 10 is fixed in the middle of the right brackets 22.

Wherein the conveyor belt 12 is supported by the rollers 11 as a combined hexagon of a rectangle and an isosceles trapezoid. Or rectangular shape, the bottom of the preferential conveyor belt 12 is isosceles trapezoid, so as to avoid excessive contact between the PCB board and the etching solution, which results in excessive etching.

Wherein, the movable sleeve 13 is screwed with a locking bolt 24, and the movable sleeve 13 is fixed on the sliding table 15 through the locking bolt 24. One end of a rotating rod 17 of the clamp 14 is inserted into the fixed sleeve 16, then the movable sleeve 13 is moved, the other end of the rotating rod 17 is inserted into the movable sleeve 13, and finally the locking bolt 24 is screwed down to fix the movable sleeve 13 on the sliding table 15.

Wherein, the one end of anchor clamps 14 is equipped with bull stick 17, and anchor clamps 14 rotates with fixed sleeve 16 and movable sleeve 13 through bull stick 17 to be connected, and the centre of anchor clamps 14 is equipped with ladder groove 19, and the bottom in ladder groove 19 is equipped with multiunit spring 21, and anchor clamps 14 rotates in the left and right sides in ladder groove 19 to be connected with locking buckle 20, and the PCB board is placed in ladder groove 19, retrains in ladder groove 19 through locking buckle 20 and spring 21's interact power.

Wherein, the upper and lower both ends of one side of anchor clamps 14 are all fixed with rubber pad 18, and rubber pad 18 and bull stick 17 are located the relative both sides of anchor clamps 14. The gripper 14 rotates at the corners during transport of the gripper 14 by the conveyor belt 12, and the presence of the rubber mat 18 reduces the impact force between the gripper 14 and the conveyor belt 12.

As shown in fig. 1 and 3, the worker inserts the jig 14, to which the PCB panel is fixed, into the fixed bush 16 and the movable bush 13 at the work window 2. The conveyor belt 12 is started, the clamp 14 is conveyed to the dust suction part for dust removal and cleaning, then the clamp 14 is conveyed to the bottom of the conveyor belt 12, and the clamp 14 is contacted with the etching solution for etching. The jig 14 is also moved by the conveyor belt 12 during the etching process so that impurities generated during the etching of the PCB panel may be introduced into the etching solution. And when the fixture 14 is transferred to the right side nozzle 23, the nozzle 23 sprays the high pressure etching solution to both sides of the PCB again, and the surface residue of the PCB is cleaned again, thereby reducing the residue of the etching residue of the PCB. The jig 14 is then transferred to a drying section for drying, and the residual etching solution on the surface of the PCB is dried. Finally, the etched PCB is transferred to the work window 2 again, and the worker unscrews the locking bolt 24 and takes the jig 14 out of the conveyor 12.

The present embodiment is only an exemplary embodiment of the present invention, and for those skilled in the art, based on the application method and principle disclosed in the present invention, various modifications or variations can be easily made, and not only limited to the structure described in the above embodiments of the present invention, therefore, the manner described in the foregoing is only a preferred embodiment, but not limiting, and all equivalent changes and modifications made according to the present invention are within the scope of the present invention.

Claims

1. The utility model provides a PCB etching device, includes quick-witted case (1), operation window (2) have been seted up in the middle of the top of quick-witted case (1), its characterized in that, the internal rotation of quick-witted case (1) is connected with multiunit roller (11), through roller (11) transmission is connected with inside and outside two sets of conveyer belt (12), and is two sets of conveyer belt (12) interval sets up, wherein inboard conveyer belt (12) are fixed with multiunit fixed sleeve (16), wherein the outside conveyer belt (12) have multiunit movable sleeve (13) through slip table (15) sliding connection, fixed sleeve (16) with movable sleeve (13) front and back one-to-one uses in groups, through fixed sleeve (16) with movable sleeve (13) rotate and are connected with anchor clamps (14) of centre gripping PCB board, quick-witted case (1) are in the left side of operation window (2) is equipped with dust absorption portion, the drying part is arranged on the right side of the operation window (2) of the case (1), one side of the case (1) is connected with a liquid inlet pipe (3), the bottom of the case (1) is connected with a liquid discharge pipe (4), etching liquid is introduced into the case (1) through the liquid inlet pipe (3), a liquid pump (5) is fixed in the case (1), the output end of the liquid pump (5) is connected with two groups of guide pipes (6), the guide pipes (6) are connected with spray heads (23), and the two groups of spray heads (23) respectively point to the left side and the right side of the conveyor belt (12).

2. The PCB etching device according to claim 1, wherein the dust suction part comprises two groups of left brackets (7), the left brackets (7) are fixed on the upper side and the lower side of the conveyor belt (12), a dust suction disc (9) is fixed in the middle of each left bracket (7), and a plurality of groups of air pipes (8) are fixedly connected on the two sides of each left bracket (7).

3. The PCB etching apparatus according to claim 1, wherein the drying part comprises two sets of right brackets (22), the right brackets (22) are fixed on the upper and lower sides of the conveyor belt (12), and the heat blower (10) is fixed in the middle of the right brackets (22).

4. A PCB etching apparatus according to claim 1, wherein the conveyor belt (12) is supported by the rollers (11) as a combined hexagon of a rectangle and an isosceles trapezoid.

5. The PCB etching apparatus according to claim 1, wherein the movable sleeve (13) is screwed with a locking bolt (24), and the movable sleeve (13) is fixed to the sliding table (15) by the locking bolt (24).

6. The PCB etching device according to claim 1, wherein one end of the clamp (14) is provided with a rotating rod (17), the clamp (14) is connected with the fixed sleeve (16) and the movable sleeve (13) in a rotating way through the rotating rod (17), a stepped groove (19) is formed in the middle of the clamp (14), a plurality of groups of springs (21) are arranged at the bottom of the stepped groove (19), the clamp (14) is connected with locking buckles (20) in a rotating way on the left side and the right side of the stepped groove (19), a PCB is placed in the stepped groove (19), and the mutual acting force of the locking buckles (20) and the springs (21) is restricted in the stepped groove (19).

7. The PCB etching device according to claim 6, wherein rubber pads (18) are fixed on the upper and lower ends of one side of the clamp (14), and the rubber pads (18) and the rotating rod (17) are located on the opposite sides of the clamp (14).