CN210519080U

CN210519080U - Can convertible etching device

Info

Publication number: CN210519080U
Application number: CN201921661043.9U
Authority: CN
Inventors: 罗岗; 王文剑; 喻冰基; 尹志良
Original assignee: Shenzhen Threetek Technology Co ltd
Current assignee: Shenzhen Threetek Technology Co ltd
Priority date: 2019-10-07
Filing date: 2019-10-07
Publication date: 2020-05-12
Anticipated expiration: 2029-10-07

Abstract

The utility model discloses a can convertible etching device, left and right both sides symmetry sets up, including track portion, conveying part, supporting part and clamping part. The rail part comprises a rail beam, a clamping groove and a conducting strip; the conveying part comprises a conveying mechanism and a supporting beam, and the conveying mechanism is laid on the supporting beam; the bearing part comprises a motor clamping seat, a motor and a fixed block, the fixed block is fixed on the conveying mechanism, and the bearing part is movably clamped and connected with the track part through the motor clamping seat; the clamping part comprises a bearing rod and a clamp, the bearing rod movably penetrates through the fixed block, one end of the bearing rod is fixedly connected with the motor, the other end of the bearing rod is fixedly connected with the clamp, and the clamp is used for clamping a circuit board. The utility model discloses can realize the upset while etching, solve circuit board etching pond effect problem, the etching degree of surface about the balanced circuit board improves the quality of prefabricated circuit.

Description

Can convertible etching device

Technical Field

The utility model relates to a circuit board etching device technical field, in particular to can convertible etching device.

Background

The typical process of circuit board processing at present adopts a 'pattern electroplating method', namely, a layer of lead-tin corrosion resistant layer is pre-plated on the copper foil part needing to be reserved on the outer layer of the circuit board, namely, the pattern part of the circuit, and then the rest copper foil is corroded away in a chemical mode, namely etching. In the etching process, the circuit board is placed on a transmission belt in an etching cylinder, spraying devices are arranged on the bottom and the top of the etching cylinder, the circuit board moves along the horizontal direction under the driving of the transmission belt, and etching liquid sprayed by the upper spraying device corrodes copper foil on the position, not provided with a prefabricated circuit, of the upper surface of the circuit board; etching liquid sprayed out by the lower spraying device corrodes the copper foil at the position of the non-prefabricated circuit on the lower surface of the circuit board; and then the prefabricated circuits on the upper surface and the lower surface of the circuit board are displayed.

However, in the above etching apparatus and method, due to the continuity of spraying and the barrier property of the transmission belt to the etching solution, a pool effect is easily generated on the upper surface of the circuit board, which affects the spraying force on one hand, and prevents the replenishment of fresh etching solution on the other hand, so that the concentration of the etching solution subsequently participating in the reaction is reduced, and the etching degree is relatively low; the etching solution sprayed out of the lower spraying device acts on the copper foil at the position of the non-prefabricated circuit on the lower surface of the circuit board, and the etching solution cannot be deposited on the lower surface of the circuit board, so that the concentration of the etching solution cannot be reduced, and the corrosion degree of the etching solution to the copper foil is relatively high; therefore, the copper foils at the non-prefabricated circuit positions on the upper surface and the lower surface of the circuit board are not etched to the same extent, the etching difference is large, the prefabricated circuits displayed on the upper surface and the lower surface of the circuit board are not uniform, the uniformity is poor, and the quality of the prefabricated circuits on the circuit board is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a simple structure can realize the etching device of limit etching limit upset, solves circuit board etching pond effect problem, and the etching degree of surface improves the quality of prefabricated circuit about the balanced circuit board.

In order to solve the technical problem, the technical scheme of the utility model as follows:

a reversible etching device is symmetrically arranged on the left side and the right side and comprises a track part, a conveying part, a bearing part and a clamping part. The rail part comprises a rail beam, a clamping groove and a conducting strip; the conveying part comprises a conveying mechanism and a supporting beam, and the conveying mechanism is laid on the supporting beam; the bearing part comprises a motor clamping seat, a motor and a fixed block, the fixed block is fixed on the conveying mechanism, and the bearing part is movably clamped and connected with the track part through the motor clamping seat; the clamping part comprises a bearing rod and a clamp, the bearing rod movably penetrates through the fixed block, one end of the bearing rod is fixedly connected with the motor, the other end of the bearing rod is fixedly connected with the clamp, and the clamp is used for clamping a circuit board.

Furthermore, the conducting strips are arranged on the protruding edges of the clamping grooves and correspond to the clamping grooves up and down, and the conducting strips are in contact conduction with the power connection pieces of the motor.

Furthermore, an insulating sheet is arranged between the conducting strip and the clamping groove.

Furthermore, the front and back positions of the conducting strips on the protruding edges of the clamping grooves on the left side and the right side are the same.

Further, the conveying mechanism is a chain or a belt.

By adopting the technical scheme, when the circuit board is etched, the circuit board moves in advance under the action of the conveying part, the circuit board is turned over for 180 degrees through the motor, etching liquid accumulated on the upper surface of the circuit board can be poured out in time, the problem of pool effect is effectively avoided, the etching degree of the upper surface and the lower surface of the circuit board is consistent, and the quality of a prefabricated circuit is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a sectional view of the rail portion of the present invention.

In the figure:

1-a track part, 11-a track beam, 12-a card slot, 13-a conducting strip and 14-an insulating strip;

2-conveying part, 21-conveying mechanism, 22-supporting beam;

3-a bearing part, 31-a motor clamping seat, 32-a motor and 33-a fixed block;

4-clamping part, 41-bearing rod and 42-clamp.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1, the embodiment of the present invention provides a reversible etching apparatus, which is symmetrically disposed on the left and right sides, and includes a track portion 1, a conveying portion 2, a bearing portion 3 and a clamping portion 4.

The track part 1 comprises a track beam 11, a clamping groove 12 and a conducting strip 13. The upper and lower sides of the card slot 12 have protruding edges, and the conductive sheets 13 are disposed on the protruding edges of the card slot 12, specifically, referring to fig. 2, the conductive sheets 13 are disposed in groups in an up-down correspondence manner.

The conveying part 2 comprises a conveying mechanism 21 and a supporting beam 22, and the conveying mechanism 21 is laid on the supporting beam 22.

The bearing part 3 comprises a motor clamping seat 31, a motor 32 and a fixed block 33, the fixed block 33 is fixed on the conveying mechanism 21, the bearing part 3 is movably clamped and connected with the track part 1 through the motor clamping seat 31, and an electric connecting piece of the motor 32 is electrically conductive through contact with the conductive piece 13.

Clamping part 4 includes carrier bar 41, anchor clamps 42, carrier bar 41 is mobilizable to be passed fixed block 33, carrier bar 41 one end with motor 32 fixed connection, carrier bar 41 the other end with anchor clamps 42 fixed connection, anchor clamps 42 are used for the centre gripping circuit board.

In this embodiment, the front and rear positions of the conductive plate 13 on the protruding edge of the slot 12 are the same, so as to ensure that the motors 32 on the left and right sides can contact the conductive plate 13 at the same time.

Preferably, as shown in fig. 2, an insulating sheet 14 is disposed between the conductive sheet 13 and the card slot 12.

Optionally, the conveying mechanism 21 is a chain or a belt.

When the etching spraying section is moved, the electric connecting piece of the motor 32 is contacted with the conducting strips 13 to trigger the motor 32 to turn over by 180 degrees, so that the clamp 42 is driven to turn over by 180 degrees, and one turning over of the circuit board is completed, at the moment, the upper surface of the circuit board faces downwards, the etching liquid on the upper surface of the circuit board is poured out, the circuit board continues to move forwards, the electric connecting piece of the motor 32 is contacted with the next group of conducting strips 13 again to trigger the motor 32 to turn over by 180 degrees, so that the clamp 42 is driven to turn over by 180 degrees, the circuit board is turned over again, and the operation is repeated so as to complete the etching treatment of the circuit board.

The reversible etching device is simple in structure, easy to realize and flexible and convenient to use. When the circuit is etched, the circuit board can be turned over, etching liquid stored on the upper surface of the circuit board can be poured out in time, the problem of a pool effect is effectively avoided, the etching degree of the upper surface and the lower surface of the circuit board is consistent, and the uniformity of the prefabricated circuit is high. The production yield of the circuit board is improved.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", "row", etc. indicate the orientation or positional relationship indicated based on the drawings, and are only for the convenience of describing and simplifying the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present patent application, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," "secured," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present patent application, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Claims

1. A reversible etching device is symmetrically arranged on the left side and the right side, and is characterized by comprising a track part (1), a conveying part (2), a bearing part (3) and a clamping part (4);

the track part (1) comprises a track beam (11), a clamping groove (12) and a conducting strip (13);

the conveying part (2) comprises a conveying mechanism (21) and a supporting beam (22), wherein the conveying mechanism (21) is laid on the supporting beam (22);

the bearing part (3) comprises a motor clamping seat (31), a motor (32) and a fixed block (33), the fixed block (33) is fixed on the conveying mechanism (21), and the bearing part (3) is movably clamped and connected with the track part (1) through the motor clamping seat (31);

clamping part (4) are including carrier bar (41), anchor clamps (42), the mobilizable passing of carrier bar (41) fixed block (33), the one end of carrier bar (41) with motor (32) fixed connection, the other end of carrier bar (41) with anchor clamps (42) fixed connection, anchor clamps (42) are used for the centre gripping circuit board.

2. A reversible etching device according to claim 1, characterized in that the conducting strips (13) are arranged on the protruding edge of the slot (12) in a corresponding manner, and the conducting strips (13) are in contact conduction with the electric connecting pieces of the motor (32).

3. A reversible etching device according to claim 2, characterized in that an insulating sheet (14) is arranged between the conducting sheet (13) and the slot (12).

4. A reversible etching device according to claim 1, characterized in that the conductive strips (13) are located at the same position on the projecting edges of the notches (12) on the left and right sides.

5. A reversible etching apparatus according to claim 1, characterized in that the conveying mechanism (21) is a chain or a belt.