CN219068515U

CN219068515U - Circuit board etching machine

Info

Publication number: CN219068515U
Application number: CN202223067258.2U
Authority: CN
Inventors: 徐进; 刘江发; 朱元宁; 熊志琴
Original assignee: Changzhou Huarui Electric Appliance Co ltd
Current assignee: Changzhou Huarui Electric Appliance Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-05-23
Anticipated expiration: 2032-11-18

Abstract

The utility model discloses a circuit board etching machine which comprises a portal frame, wherein a movable assembly is arranged at the bottom of a portal frame top plate; the movable assembly is connected with a sliding block, two groups of first lifters are symmetrically arranged at the bottom of the sliding block, the output ends of the two groups of first lifters are connected with a first connecting frame, the bottom of a top plate of the first connecting frame is provided with a second lifter, the output end of the second lifter is provided with a limiting rod, and the bottom of the limiting rod is provided with a plurality of groups of clamping assemblies with the same structure; according to the utility model, the moving assembly is matched with the clamping assembly, so that the circuit board can be moved and clamped, the clamping assembly is provided with a plurality of groups, a plurality of groups of circuit boards can be clamped at the same time, and then the circuit boards are put into the etching pool for etching by using the first lifter, so that the circuit boards can be etched at one time, and the two sides of the circuit boards can be etched at one time, and the etching efficiency is high.

Description

Circuit board etching machine

Technical Field

The utility model relates to the technical field of etchers, in particular to a circuit board etcher.

Background

A circuit board is a component often used in circuit processing, and may be generally referred to as: ceramic circuit boards, alumina ceramic circuit boards, aluminum nitride ceramic circuit boards, PCB boards, aluminum substrates, high frequency boards, thick copper plates, impedance boards, PCBs, ultra-thin circuit boards, printed (copper etching technology) circuit boards, etc., are indispensable in the production of electronic products, are common parts for electronic processing, and require etching treatment when the circuit boards are processed, so that etching devices are required.

When the existing etching machine is used for processing, the mode of conveying and spraying is mostly adopted to spray the etching liquid to etch the passing circuit board, however, in the mode, only one surface of the circuit board can be etched at a time, and most of the etching machines can only etch one group, so that the etching efficiency of the circuit board can be reduced due to the fact that a plurality of groups of circuit boards are not conveniently etched together.

Disclosure of Invention

The present utility model is directed to a circuit board etching machine, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the circuit board etching machine comprises a portal frame, wherein a movable assembly is arranged at the bottom of a portal frame top plate;

the movable assembly is connected with a sliding block, two groups of first lifters are symmetrically arranged at the bottom of the sliding block, the output ends of the two groups of first lifters are connected with a first connecting frame, a second lifter is arranged at the bottom of a top plate of the first connecting frame, a limiting rod is arranged at the output end of the second lifter, and a plurality of groups of clamping assemblies with the same structure are arranged at the bottom of the limiting rod;

an etching pool and a cleaning pool are arranged between the two groups of portal frames side by side.

Preferably, the clamping assembly comprises a first clamping plate, a second clamping plate, a pin shaft, a connecting rod and a connecting seat, wherein the first clamping plate and the second clamping plate are hinged with each other through the pin shaft, the pin shaft is arranged in the second connecting frame, the top ends of the first clamping plate and the second clamping plate are hinged with the connecting rod, the other ends of the two groups of connecting rods are hinged with the connecting seat, and the connecting seat is arranged at the bottom of the limiting rod.

Preferably, the first clamping plate and the second clamping plate are both L-shaped structural members.

Preferably, the second connecting frame is a square-shaped structural member, and the second connecting frame is connected with the bottom of the first connecting frame.

Preferably, the etching tank is filled with etching liquid, and the cleaning tank is internally provided with a cleaner.

Preferably, the cleaner is specifically a spray pipe, the spray pipe is a U-shaped structural member, a plurality of groups of spray heads are installed at equal intervals on two groups of symmetrical long pipes, the spray heads are all arranged in an inclined downward direction, and the outer wall of a short pipe is connected with a connecting pipe connected with a water supply assembly.

Preferably, the moving assembly comprises a screw and a motor, the screw penetrates through the sliding block and is in threaded connection with the sliding block, two ends of the screw are respectively connected with two groups of the portal frames in a rotating mode, and one end of the screw penetrates through the portal frames and is connected with the output end of the motor.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the limiting rods can be pushed to be lowered by extending the second lifters, so that the limiting rods push the two groups of connecting rods to rotate by taking the connecting seats as fulcrums, the other ends of the two groups of connecting rods can be mutually separated, the first clamping plate and the second clamping plate are pushed to rotate by taking the pin shafts as circle centers, the bottoms of the L-shaped first clamping plate and the L-shaped second clamping plate are mutually close to each other to clamp the circuit boards, multiple groups of circuit boards can be clamped once, then the circuit boards can be lowered into the etching pool to be etched by extending the first lifters, not only can multiple groups of circuit boards be etched once, but also two sides of the circuit boards can be etched once, and the etching efficiency is high.

2. The second connecting frame is a square-shaped structural part, the second connecting frame is connected with the bottom of the first connecting frame, the second connecting frame is fixed, meanwhile, the installation of the clamping assembly is convenient, as the cleaner is a spray pipe, the spray pipe is a U-shaped structural part, two groups of symmetrical long pipes are equally spaced and provided with a plurality of groups of spray heads, the spray heads are all arranged in the downward inclined direction, the cleaner can be connected with the existing water supply device, water is supplied for the cleaner, clear water is sprayed out from the spray heads, the circuit board is washed, etching liquid is prevented from etching the circuit board for a long time, the phenomenon of excessive etching is caused, and the damage of the circuit board is avoided.

Drawings

FIG. 1 is a side cross-sectional view of the overall structure of the present utility model;

FIG. 2 is a schematic view of a clamping assembly of the present utility model;

FIG. 3 is an enlarged view of the present utility model at structure A;

fig. 4 is a top view of the overall structure of the present utility model.

In the figure: 1. portal frame, 2, slider, 3, first riser, 4, first link, 5, second riser, 6, gag lever post, 7, etching pond, 8, wash pond, 9, first splint, 10, second splint, 11, round pin axle, 12, connecting rod, 13, connecting seat, 14, second link, 15, shower nozzle, 16, screw rod, 17, motor, 18, purger.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-4, the utility model provides a circuit board etching machine, which comprises a portal frame 1, wherein a movable assembly is arranged at the bottom of the top plate of the portal frame 1;

the moving assembly is connected with a sliding block 2, two groups of first lifters 3 are symmetrically arranged at the bottom of the sliding block 2, the output ends of the two groups of first lifters 3 are connected with a first connecting frame 4, a second lifter 5 is arranged at the bottom of a top plate of the first connecting frame 4, a limiting rod 6 is arranged at the output end of the second lifter 5, and a plurality of groups of clamping assemblies with the same structure are arranged at the bottom of the limiting rod 6;

an etching tank 7 and a cleaning tank 8 are arranged between the two groups of portal frames 1 side by side.

In this embodiment, through moving the subassembly cooperation clamping assembly, can accomplish the removal to the circuit board, the clamping assembly is provided with the multiunit, can centre gripping multiunit circuit board simultaneously, then utilizes first riser 3 to put in the circuit board to etch in etching tank 7, not only can once etch multiunit circuit board, also can once etch the both sides of circuit board simultaneously, etching efficiency is high to after the etching is accomplished, proposes the circuit board from etching tank 7 again, moves to wash pond 8 and washes, prevents that the overetching from causing the circuit board damage.

Referring to fig. 1, 2 and 3, the clamping assembly includes a first clamping plate 9, a second clamping plate 10, a pin 11, a connecting rod 12 and a connecting seat 13, the first clamping plate 9 and the second clamping plate 10 are hinged to each other through the pin 11, the pin 11 is installed inside the second connecting frame 14, the top ends of the first clamping plate 9 and the second clamping plate 10 are hinged to the connecting rod 12, the other ends of the two groups of connecting rods 12 are hinged to the connecting seat 13, the connecting seat 13 is installed at the bottom of the limiting rod 6, the first clamping plate 9 and the second clamping plate 10 are all L-shaped structural members, the second connecting frame 14 is a square structural member, and the second connecting frame 14 is connected with the bottom of the first connecting frame 4.

In this embodiment, the second connecting frame 14 is a square-shaped structural member, and the second connecting frame 14 is connected with the bottom of the first connecting frame 4, so that the second connecting frame 14 is fixed, meanwhile, the installation of the clamping assembly is facilitated, the first lifter 3 and the second lifter 5 are all electric push rods, the limiting rod 6 can be pushed to be lowered through the extension of the second lifter 5, so that the limiting rod 6 pushes the two groups of connecting rods 12 to rotate with the connecting seat 13 as a supporting point, the other ends of the connecting rods can be mutually separated, the first clamping plate 9 and the second clamping plate 10 are pushed to rotate with the pin shaft 11 as a center of a circle, the bottoms of the first clamping plate 9 and the second clamping plate 10 in an L shape are mutually close to each other, the circuit boards can be clamped in multiple groups, and then the circuit boards can be lowered to the etching pool 7 for etching by utilizing the extension of the first lifter 3.

Referring to fig. 1 and 4, an etching solution is filled in the etching tank 7, a cleaner 18 is installed in the cleaning tank 8, the cleaner 18 is specifically a spray pipe, the spray pipe is a U-shaped structure, a plurality of groups of spray heads 15 are installed at equal intervals in two groups of symmetrical long pipes, the spray heads 15 are all arranged in a downward oblique direction, the outer wall of each short pipe is connected with a connecting pipe connected with a water supply assembly, the moving assembly comprises a screw 16 and a motor 17, the screw 16 penetrates through the sliding block 2 and is in threaded connection with the sliding block, two ends of the screw 16 are respectively connected with two groups of portal frames 1 in a rotating manner, and one end of the screw 16 penetrates through the portal frames 1 and is connected with the output end of the motor 17.

In this embodiment, the circuit board is etched by using the etching solution, because the cleaner 18 is specifically a spray tube, the spray tube is a U-shaped structure, two groups of symmetrical long tubes are equally spaced with a plurality of groups of spray heads 15, the spray heads 15 are all arranged in a downward oblique direction, the circuit board is convenient to rinse, the outer wall of the short tube is connected with a connecting tube connected with a water supply assembly, the cleaner 18 can be connected with an existing water supply device, water is supplied to the cleaner 18, clear water is sprayed from the spray heads 15, the circuit board is rinsed, the etching solution is prevented from etching the circuit board for a long time, the phenomenon of excessive etching is caused, the damage of the circuit board is avoided, and the screw 16 is prevented from being connected with the slide block 2 through the screw rod 16 in a threaded manner.

Working principle: firstly, through starting the motor 17, drive the screw 16 to rotate, make the slider 2 with screw 16 threaded connection move along with the rotation of screw 16, thereby drive the circuit board and remove, make it remove to conveying assembly one end, cooperate clamping assembly to carry out the centre gripping to the circuit board that carries, through the extension of second riser 5, can promote gag lever post 6 and put down, thereby make gag lever post 6 promote two sets of connecting rods 12 and regard connecting seat 13 as the fulcrum to rotate, make the other end can keep away from each other, thereby promote first splint 9 and second splint 10 and rotate with round pin 11 as the centre of a circle, make the bottom of L shape first splint 9 and second splint 10 be close to each other, carry out the centre gripping to the circuit board, can once grip a multiunit circuit board, then move the moving assembly, remove the circuit board to etching pond 7 top, then utilize first riser 3 to stretch out and can lower the circuit board to etching pond 7, after the etching is accomplished, propose the circuit board from etching pond 7 again, remove to washing pond 8 and wash, will be followed shower nozzle 15 blowout board etching liquid and cause the excessive damage to the circuit board.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a circuit board etching machine, includes portal frame (1), its characterized in that: a moving assembly is arranged at the bottom of the top plate of the portal frame (1);

the movable assembly is connected with a sliding block (2), two groups of first lifters (3) are symmetrically arranged at the bottom of the sliding block (2), the output ends of the two groups of first lifters (3) are connected with a first connecting frame (4), a second lifter (5) is arranged at the bottom of a top plate of the first connecting frame (4), a limiting rod (6) is arranged at the output end of the second lifter (5), and a plurality of groups of clamping assemblies with the same structure are arranged at the bottom of the limiting rod (6);

an etching pool (7) and a cleaning pool (8) are arranged between the two groups of portal frames (1) side by side.

2. A circuit board etcher as defined in claim 1, wherein: the clamping assembly comprises a first clamping plate (9), a second clamping plate (10), a pin shaft (11), a connecting rod (12) and a connecting seat (13), wherein the first clamping plate (9) and the second clamping plate (10) are hinged to each other through the pin shaft (11), the pin shaft (11) is arranged inside a second connecting frame (14), the top ends of the first clamping plate (9) and the second clamping plate (10) are hinged to the connecting rod (12), the other ends of the two groups of connecting rods (12) are hinged to the connecting seat (13), and the connecting seat (13) is arranged at the bottom of the limiting rod (6).

3. A circuit board etcher as defined in claim 2, wherein: the first clamping plate (9) and the second clamping plate (10) are all L-shaped structural members.

4. A circuit board etcher as defined in claim 2, wherein: the second connecting frame (14) is a square-shaped structural member, and the second connecting frame (14) is connected with the bottom of the first connecting frame (4).

5. A circuit board etcher as defined in claim 1, wherein: the etching tank (7) is internally filled with etching liquid, and the cleaning tank (8) is internally provided with a cleaner (18).

6. The circuit board etcher of claim 5, wherein: the cleaner (18) is specifically a spray pipe, the spray pipe is a U-shaped structural member, a plurality of groups of spray heads (15) are installed at equal intervals on two groups of symmetrical long pipes, the spray heads (15) are all arranged in an inclined downward direction, and the outer wall of a short pipe is connected with a connecting pipe connected with a water supply assembly.

7. A circuit board etcher as defined in claim 1, wherein: the movable assembly comprises a screw rod (16) and a motor (17), wherein the screw rod (16) penetrates through the sliding block (2) and is in threaded connection with the sliding block, two ends of the screw rod (16) are respectively and rotatably connected with the two groups of the portal frames (1), and one end of the screw rod (16) penetrates through the portal frames (1) and is connected with the output end of the motor (17).