CN217521476U

CN217521476U - PCB double-sided developing device

Info

Publication number: CN217521476U
Application number: CN202220826192.1U
Authority: CN
Inventors: 黄喜军; 刘勇; 刘慧莹; 李财福
Original assignee: Kai Mau Electronics Dingnan Co ltd
Current assignee: Kai Mau Electronics Dingnan Co ltd
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-09-30
Anticipated expiration: 2032-04-11

Abstract

The utility model relates to a PCB development equipment technical field provides a PCB double-sided development device. Including quick-witted case, machine case is connected with inside and outside two sets of conveyer belts through the roller transmission, machine case is equipped with dust absorption portion in the left side of operation window, machine case is equipped with the drying part on the right side of operation window, it has the developer solution to let in to quick-witted incasement through the feed liquor pipe, quick-witted incasement fixation has two sets of liquid pumps, the output of liquid pump all is connected with the pipe, pipe connection has the shower nozzle, two sets of shower nozzles are the left and right sides of directional conveyer belt respectively, the left and right sides bottom of machine case all is fixed with the outer container, the top of outer container has hung the reel, the groove of going through has all been seted up to the left and right sides bottom of machine case, the bottom left and right sides of machine case all is equipped with a set of conveyer belt, the one end of conveyer belt stretches into the outer container through the groove of going through. The utility model discloses can realize the two-sided development of PCB board, make used developer solution can filter reuse in real time, improve development quality and efficiency.

Description

PCB double-sided developing device

Technical Field

The utility model relates to a PCB development equipment technical field, in particular to two-sided developing device of PCB.

Background

The PCB production involves a developing process, and a photosensitive film that has not undergone a photocuring reaction in an exposure process is generally subjected to a dissolution reaction using an alkaline solution. Most of the existing PCB development adopts a spraying mode for development and flushing. However, the existing developing device is difficult to complete the double-sided development of the PCB at one time, and often needs to perform the development through two times of developing equipment, so that the developing efficiency is low.

And "glue residue" is generated from the base material in the spraying and developing process, and enters the developing solution in the spraying process. The existing developing device can not filter and reuse the developing solution in real time, and the phenomenon that the developing solution is flocculent or gelatinous substances because 'glue residue' is not cleaned in time often occurs, so that a conveying pipeline, a spraying pipeline, a spray head and the like are blocked in the recycling process of the developing solution. Severely restricting the developing production efficiency.

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

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a PCB double-sided developing device which is mainly used for solving the problem that the PCB developing device can not filter and reuse the developing solution in real time; and the problem of dust removal and cleaning of the PCB in the PCB developing process is solved.

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, two groups of inner and outer conveying belts are connected through the rollers in a transmission manner, the 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 slidably connected on the outer side of the conveying belts through a sliding table, the fixed sleeves and the movable sleeves are correspondingly used in groups one by one, clamps for clamping a PCB are rotationally connected through the fixed sleeves and the movable sleeves, a dust absorption 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, developing solution is introduced into the case through the liquid inlet pipe, two groups of liquid pumps are fixed in the case, the output of liquid pump all is connected with the pipe, pipe connection has the shower nozzle, and is two sets of the shower nozzle is directional respectively the left and right sides of conveyer belt, the left and right sides bottom of machine case all is fixed with the outer container, the reel has been hung on the top of outer container, the top of outer container is stamped the case lid, the groove of going through has all been seted up to the left and right sides bottom of machine case, the bottom left and right sides of machine case all is equipped with a set of conveyer belt, the one end of conveyer belt is passed through the groove of going through stretches into the outer container, the through-hole has all been seted up to the left and right sides bottom of machine case, the through-hole will the outer container with machine case intercommunication.

Preferably, the dust collection part comprises two groups of left supports, the left supports are fixed to 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 to 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, two groups of filtering partition plates are arranged at the bottom of the case at intervals, the bottom of the case is divided into a left compartment body, a middle compartment body and a right compartment body by the filtering partition plates, the conveying belts on the left side and the right side are respectively positioned above the left compartment body and the right compartment body, and the spray heads on the left side and the right side are respectively positioned right above the conveying belts. The bottom of the machine case is divided into three parts by the filtering partition plate, the spraying and developing are carried out on the left side and the right side of the machine case, the used developing solution naturally falls into the left and the right box bodies and firstly falls onto the conveying belts on the left and the right sides in the falling process, and therefore the 'glue residue' in the used developing solution is retained on the conveying belts. And the 'glue residue' remained on the conveying belt is poured into the outer box through the conveying belt. And because the top end of the outer box is hung and placed with the screen frame, the glue residue is uniformly collected in the screen frame. The 'glue residue' in the screen frame is required to be regularly screened. And the input end pipeline of the liquid pump draws the developing solution from the middle compartment body. Because of the effect of the filter screen clapboard, the developing solution is filtered and isolated for one time, the glue residue is prevented from entering a pipeline of the spraying system, and the faults of the spraying system are reduced.

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.

Preferably, the liquid level of the developer is located below the through groove, and the clamp does not contact the developer at the bottom.

The utility model has the advantages that: the turning can be accomplished at the transfer process of conveyer belt to anchor clamps to the realization is to the development of PCB board two-sided, and the developer solution has the use to filter the baffle and keeps apart the subregion, and used developer solution can filter reuse in real time, has reduced developing device's maintenance frequency, has improved development quality and efficiency.

Drawings

Fig. 1 is a schematic structural 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 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, a liquid inlet pipe, a liquid outlet pipe, a liquid pump, a guide pipe, a left support, an air pipe, a dust collection plate, a hot air device, a roller, a conveyor belt, a movable sleeve, a clamp, a sliding table, a fixed sleeve, a rotating rod, a rubber pad, a stepped groove, a locking buckle, a spring, a right support, a spray head, a locking bolt, a box body, a box cover, a filter partition plate, a screen frame, a conveyor belt, a conveying belt, a through groove and a through hole, wherein the working window is 2, the liquid inlet pipe is 3, the liquid outlet pipe is 4, the liquid pump is 5, the guide pipe is 6, the left support is 7, the air pipe is 8, the air pipe, the dust collection plate is 9, the hot air device is 10, the roller is 11, the conveyor belt is 12, the movable sleeve is 13, the movable sleeve, the clamp, the sliding table is 15, the fixed sleeve, the rotating rod, the rubber pad, the stepped groove, the locking buckle, the spring, the right support, the spray head, the locking bolt, the outer box, the box cover, the box body, the box cover, the filter partition plate, the screen frame, and the screen frame, the screen frame, and the screen frame, the screen frame.

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 double-sided developing 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, two groups of inner and outer conveyor belts 12 are in transmission connection through the rollers 11, the two groups of conveyor belts 12 are arranged at intervals, a plurality of groups of fixed sleeves 16 are fixed on the inner conveyor belt 12, the outer conveyor belt 12 is slidably connected with a plurality of groups of movable sleeves 13 through a sliding table 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 absorption 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 to one side of the case 1, a liquid outlet 4 is connected to the bottom of the case 1 through the liquid inlet pipe 3, case 1 internal fixation has two sets of liquid pumps 5, the output of liquid pump 5 all is connected with pipe 6, pipe 6 is connected with shower nozzle 23, the left and right sides of directional conveyer belt 12 respectively of two sets of shower nozzles 23, case 1's left and right sides bottom all is fixed with outer container 25, reel 28 has been hung on the top of outer container 25, case lid 26 has been stamped on the top of outer container 25, the groove of going through 30 has all been seted up to case 1's left and right sides bottom, both sides all are equipped with a set of conveyer belt 29 about case 1's bottom, the one end of conveyer belt 29 stretches into outer container 25 through the groove of going through 30, through-hole 31 has all been seted up to case 1's left and right sides bottom, through-hole 31 communicates outer container 25 and case 1.

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.

Two groups of filtering partition plates 27 are arranged at the bottom of the case 1 at intervals, the bottom of the case 1 is divided into a left compartment, a middle compartment and a right compartment by the filtering partition plates 27, the conveying belts 29 on the left side and the right side are respectively positioned above the left compartment and the right compartment, and the spray heads 23 on the left side and the right side are respectively positioned right above the conveying belts 29. The bottom of the machine case 1 is divided into three parts by the filtering partition plate 27, the spraying development is carried out on the left side and the right side of the machine case 1, the used developing solution naturally falls into the left and the right box bodies and firstly falls onto the conveying belts 29 on the left side and the right side in the falling process, and therefore the 'glue residue' in the used developing solution is retained on the conveying belts 29. The "skim coat" retained on the conveyor belt 29 is poured into the outer box 25 by the conveyor belt 29. And because the top end of the outer box 25 is hung and placed with the screen frame 28, the glue residue is uniformly collected in the screen frame 28. It is sufficient to periodically "skim coat" in the screen frame 28. And the input end pipeline of the liquid pump 5 draws the developing solution from the middle compartment body. Because of the effect of the filter screen clapboard, the developing solution is filtered and isolated for one time, the glue residue is prevented from entering the pipeline of the spraying system, and the faults of the spraying system are reduced.

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.

Wherein the liquid level of the developer is below the through groove 30, and the clamp 14 is not in contact with the developer at the bottom.

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 firstly conveyed to the dust suction part for dust removal and cleaning, then the clamp 14 is conveyed to the left side of the conveyor belt 12, and the left side spray head 23 sprays and develops the left side surface of the PCB. The jig 14 is then transferred to the right side of the conveyor belt 12, and the right-hand shower head 23 performs shower development on the right-hand side of the PCB, which completes the development of both sides of the PCB. After that, the PCB is transferred to a drying part to be dried, and after the drying is completed, the jig 14 is transferred to the work window 2 again, and the locking bolt 24 is unscrewed to take out the jig 14 from 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 two-sided developing device of PCB, 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, quick-witted case (1) internal rotation 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 the 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 anchor clamps (14) that are connected with 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), developing solution is introduced into the case (1) through the liquid inlet pipe (3), two groups of liquid pumps (5) are fixed in the case (1), the output ends of the liquid pumps (5) are connected with guide pipes (6), the guide pipes (6) are connected with spray heads (23), the two groups of spray heads (23) respectively point to the left side and the right side of the conveyor belt (12), outer boxes (25) are fixed at the bottoms of the left side and the right side of the case (1), a screen frame (28) is hung at the top end of each outer box (25), a box cover (26) is covered at the top end of each outer box (25), through grooves (30) are formed in the bottoms of the left side and the right side of the case (1), the bottom left and right sides of machine case (1) all is equipped with a set of conveyer belt (29), the one end of conveyer belt (29) is passed through pass through groove (30) stretch into outer container (25), through-hole (31) have all been seted up to the left and right sides bottom of machine case (1), through-hole (31) will outer container (25) with machine case (1) intercommunication.

2. The PCB double-sided developing 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 and lower sides of the conveyor belt (12), a dust suction disc (9) is fixed in the middle of the left brackets (7), and a plurality of groups of air pipes (8) are fixedly connected on the two sides of the left brackets (7).

3. The PCB double-sided developing device 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 a heat gun (10) is fixed in the middle of the right brackets (22).

4. The PCB double-sided developing device according to claim 1, wherein two sets of filtering partition plates (27) are arranged at intervals at the bottom of the machine box (1), the bottom of the machine box (1) is divided into a left compartment, a middle compartment and a right compartment by the filtering partition plates (27), the conveying belts (29) at the left side and the right side are respectively positioned above the left compartment and the right compartment, and the spray heads (23) at the left side and the right side are respectively positioned right above the conveying belts (29).

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

6. The double-sided developing device of PCB of claim 1, characterized in that, the one end of anchor clamps (14) is equipped with bull stick (17), anchor clamps (14) pass through bull stick (17) with fixed sleeve (16) and movable sleeve (13) rotate to be connected, the centre of anchor clamps (14) is equipped with ladder groove (19), the bottom in ladder groove (19) is equipped with multiunit spring (21), anchor clamps (14) are in the left and right sides in ladder groove (19) is rotated and is connected with locking buckle (20), the PCB board place in ladder groove (19), through locking buckle (20) with the mutual acting force of spring (21) retrain in ladder groove (19).

7. A PCB double-sided developing device according to claim 6, wherein rubber pads (18) are fixed at the upper and lower ends of one side of the clamp (14), and the rubber pads (18) and the rotating rods (17) are positioned at the opposite sides of the clamp (14).

8. A PCB double-sided developing device according to claim 1, wherein the liquid level of the developing solution is located below the through groove (30), and the clamp (14) is not in contact with the developing solution at the bottom.