Etching spraying frame for circuit board production

Abstract

The utility model discloses an etching spraying frame for circuit board production, which comprises a frame body, a plurality of transverse flow channels are arranged in the middle of the bottom end of the inner wall of the frame body, and the surfaces of the plurality of transverse flow channels are fixedly communicated with a plurality of first nozzles which are uniformly distributed. The etching spraying frame is provided with a plurality of transverse flow channels and a vertical flow channel, and a plurality of first nozzles and a plurality of second nozzles are respectively arranged on the transverse flow channels and the vertical flow channel, so that the etching compensation effect can be achieved through the arrangement of the plurality of vertical second nozzles, the etching uniformity can be fully improved, and the etching uniformity is improved. The circuit board is preliminarily limited through two limiting strips under the action of a plurality of telescopic rods and a plurality of telescopic springs, four rotary knobs are rotated clockwise to drive four threaded rods to rotate, so that four limiting blocks are pushed to move, the circuit board is further limited and fixed, and stable operation of the circuit board can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board production, in particular to an etching spray rack used for circuit board production. Background Art

[0002] The production process of circuit boards has more than 20 steps, which is long and complex. Among them, the outer layer etching, as the outer layer circuit pattern manufacturing process, is one of the bottleneck processes in circuit board manufacturing. The spray uniformity in the etching process directly determines the etching compliance. In the existing equipment, the spray uniformity is usually improved by evenly distributing the spray heads in the vertical and horizontal intervals to ensure the etching compliance. However, the existing circuit board etching spray rack is only equipped with a number of horizontal nozzles, resulting in insufficient etching uniformity and inconvenient for firmly clamping the circuit board, which causes the circuit board to shake during the etching process and affects the etching effect.

[0003] In order to solve the above problems, an etching spray rack for circuit board production is proposed. Utility Model Content

[0004] The utility model aims to provide an etching spray rack for circuit board production to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an etching spray rack for circuit board production, comprising a frame body, a plurality of transverse flow channels are opened in the middle of the bottom end of the inner wall of the frame body, the surfaces of the plurality of transverse flow channels are fixedly connected with a plurality of evenly distributed first nozzles, a vertical flow channel is opened on one side of the bottom end of the inner wall of the frame body, the surface of the vertical flow channel is fixedly connected with a plurality of second nozzles, two threaded rods are threadedly arranged on both sides of the frame body, a knob is fixedly arranged at one end of the four threaded rods, a rotating seat is rotatably arranged at the end of the four threaded rods away from the knob, and a limiting block is fixedly connected to the end of the four rotating seats away from the threaded rod, an installation groove is opened on both sides of the inner wall of the frame body, a plurality of telescopic rods and a plurality of telescopic springs are fixedly arranged on the inner sides of the two installation grooves, and a limiting strip is fixedly arranged at the end away from the inner side of the installation groove between the plurality of telescopic rods and the plurality of telescopic springs located on the same side.

[0006] The etching spray rack is provided with a plurality of transverse flow channels and a vertical flow channel, and a plurality of first nozzles and a plurality of second nozzles are respectively provided on the transverse flow channel and the vertical flow channel. The setting of the plurality of vertical second nozzles can play a role in compensating etching, and can fully improve the uniformity of etching. The circuit board is initially limited by two limit bars under the action of a plurality of telescopic rods and a plurality of telescopic springs respectively. The four knobs are rotated clockwise to drive the four threaded rods to rotate, thereby pushing the four limit blocks to move, and then the circuit board is further limited and fixed, which can ensure stable operation of the circuit board and avoid shaking of the circuit board during the etching process, thereby affecting the etching effect.

[0007] Preferably, a plurality of the telescopic springs are respectively sleeved on the surfaces of a plurality of telescopic rods, and a protective strip is fixedly provided on one side of the two limit strips away from the telescopic rods, and the provision of the protective strip can protect the circuit board.

[0008] Preferably, a protective pad is fixedly provided on one side of the four limit blocks away from the rotating seat, and the circuit board can be protected by the provision of the protective pad.

[0009] Preferably, threaded holes are provided at the connection points between the frame body and the four threaded rods, and the four threaded holes are respectively threadedly connected to the four threaded rods. The provision of the threaded holes can ensure the stable rotation of the threaded rods.

[0010] Preferably, support blocks are fixedly provided on both sides of the bottom end of the frame, a shunt pipe is fixedly provided between the two support blocks, a plurality of conduits are fixedly connected to the top end of the shunt pipe, and the plurality of conduits are respectively connected to a plurality of transverse flow channels and vertical flow channels, so that the medicine can be easily diverted into the plurality of transverse flow channels and vertical flow channels through the plurality of conduits.

[0011] Preferably, a plurality of grooves are provided on one side of a plurality of the transverse flow channels, and a first through hole is provided inside a plurality of the grooves, so that the waste liquid can be discharged easily through the provision of the plurality of first through holes.

[0012] Preferably, a second through hole is opened on one side of the vertical flow channel, and the waste liquid can be easily discharged through the arrangement of a plurality of second through holes.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The etching spray rack is provided with a plurality of transverse flow channels and a vertical flow channel, and a plurality of first nozzles and a plurality of second nozzles are respectively provided on the transverse flow channel and the vertical flow channel. The setting of the plurality of vertical second nozzles can play a role in compensating etching, and can fully improve the uniformity of etching. The circuit board is initially limited by two limit bars under the action of a plurality of telescopic rods and a plurality of telescopic springs respectively. The four knobs are rotated clockwise to drive the four threaded rods to rotate, thereby pushing the four limit blocks to move, and then the circuit board is further limited and fixed, which can ensure stable operation of the circuit board and avoid shaking of the circuit board during the etching process, thereby affecting the etching effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is a partial cross-sectional view of the utility model;

[0017] Figure 3 It is a cross-sectional view of the utility model;

[0018] Figure 4 It is an enlarged view of part A of the utility model.

[0019] In the figure: 1, frame; 2, horizontal flow channel; 3, first nozzle; 4, groove; 5, first through hole; 6, vertical flow channel; 7, second nozzle; 8, second through hole; 9, threaded hole; 10, threaded rod; 11, knob; 12, rotating seat; 13, limit block; 14, protective pad; 15, support block; 16, shunt pipe; 17, conduit; 18, mounting groove; 19, telescopic rod; 20, telescopic spring; 21, limit strip; 22, protective strip. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] See also Figure 1-4The utility model provides an etching spray rack for circuit board production, including a frame 1, a plurality of horizontal flow channels 2 are opened in the middle of the bottom end of the inner wall of the frame 1, and the surfaces of the plurality of horizontal flow channels 2 are fixedly connected with a plurality of evenly distributed first nozzles 3, a vertical flow channel 6 is opened on one side of the bottom end of the inner wall of the frame 1, and the surface of the vertical flow channel 6 is fixedly connected with a plurality of second nozzles 7, two threaded rods 10 are threadedly arranged on both sides of the frame 1, and knobs 11 are fixedly arranged at one end of the four threaded rods 10, and rotating seats 12 are rotatably arranged at the ends of the four threaded rods 10 away from the knobs 11, and the ends of the four rotating seats 12 away from the threaded rods 10 are fixedly connected with limited blocks 13, and placement grooves 18 are opened on both sides of the inner wall of the frame 1, and a plurality of telescopic rods 19 and a plurality of telescopic springs 20 are fixedly arranged on the inner sides of the two placement grooves 18, and a plurality of A limit strip 21 is fixedly arranged between the telescopic rod 19 and the multiple telescopic springs 20 at one end away from the inner side of the placement groove 18. The etching spray rack is provided with multiple horizontal flow channels 2 and a vertical flow channel 6, and multiple first nozzles 3 and multiple second nozzles 7 are respectively arranged on the horizontal flow channel 2 and the vertical flow channel 6. The setting of multiple vertical second nozzles 7 can play a role in compensating etching, which can fully improve the uniformity of etching. The two limit strips 21 are used to preliminarily limit the circuit board under the action of the multiple telescopic rods 19 and the multiple telescopic springs 20. By rotating the four knobs 11 clockwise, the four threaded rods 10 are driven to rotate, thereby pushing the four limit blocks 13 to move, and then the circuit board is further limited and fixed, which can ensure stable operation of the circuit board and avoid shaking of the circuit board during the etching process, thereby affecting the etching effect.

[0022] A plurality of telescopic springs 20 are respectively sleeved on the surfaces of a plurality of telescopic rods 19, a protective strip 22 is fixedly provided on the side of the two limit strips 21 away from the telescopic rods 19, a protective pad 14 is fixedly provided on the side of the four limit blocks 13 away from the rotating seat 12, and a threaded hole 9 is provided at the connection between the frame body 1 and the four threaded rods 10, and the four threaded holes 9 are respectively threadedly connected with the four threaded rods 10;

[0023] When in use, the protection strip 22 can protect the circuit board, the protection pad 14 can protect the circuit board, and the threaded hole 9 can ensure the stable rotation of the threaded rod 10.

[0024] Support blocks 15 are fixedly arranged on both sides of the bottom end of the frame 1, a shunt pipe 16 is fixedly arranged between the two support blocks 15, a plurality of conduits 17 are fixedly connected to the top of the shunt pipe 16, and the plurality of conduits 17 are respectively connected to the plurality of transverse flow channels 2 and the vertical flow channels 6, a plurality of grooves 4 are opened on one side of the plurality of transverse flow channels 2, a first through hole 5 is opened inside the plurality of grooves 4, and a second through hole 8 is opened on one side of the vertical flow channel 6;

[0025] When in use, the medicine solution is conveniently diverted into the plurality of transverse flow channels 2 and the vertical flow channels 6 through the plurality of conduits 17, the waste liquid is conveniently discharged through the provision of the plurality of first through holes 5, and the waste liquid is conveniently discharged through the provision of the plurality of second through holes 8.

[0026] When the embodiment of the present application is in use: the etching spray rack is provided with a plurality of transverse flow channels 2 and a vertical flow channel 6, and a plurality of first nozzles 3 and a plurality of second nozzles 7 are respectively provided on the transverse flow channel 2 and the vertical flow channel 6. The setting of the plurality of vertical second nozzles 7 can play a role in compensating etching, and can fully improve the uniformity of etching. Before etching, the circuit board is initially limited by two limit bars 21 under the action of a plurality of telescopic rods 19 and a plurality of telescopic springs 20, and the four knobs 11 are rotated clockwise to drive the four threaded rods 10 to rotate, thereby pushing the four limit blocks 13 to move, and then the circuit board is further limited and fixed, which can ensure stable operation of the circuit board and avoid shaking of the circuit board during the etching process, thereby affecting the etching effect.

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An etching spray rack for circuit board production, comprising a rack body (1), characterized in that: A plurality of transverse flow channels (2) are provided in the middle of the bottom end of the inner wall of the frame (1), and the surfaces of the plurality of transverse flow channels (2) are fixedly connected to a plurality of evenly distributed first nozzles (3). A vertical flow channel (6) is provided on one side of the bottom end of the inner wall of the frame (1), and the surface of the vertical flow channel (6) is fixedly connected to a plurality of second nozzles (7). Two threaded rods (10) are threadedly provided on both sides of the frame (1), and a knob (11) is fixedly provided at one end of the four threaded rods (10), and the four threaded rods (10) are away from the knob. A rotating seat (12) is rotatably arranged at one end of each button (11); one end of each of the four rotating seats (12) away from the threaded rod (10) is fixedly connected to a limiting block (13); both sides of the inner wall of the frame (1) are provided with a placement groove (18); a plurality of telescopic rods (19) and a plurality of telescopic springs (20) are fixedly arranged on the inner sides of the two placement grooves (18); and a limiting strip (21) is fixedly arranged at one end away from the inner side of the placement groove (18) between the plurality of telescopic rods (19) and the plurality of telescopic springs (20) located on the same side.

2. The etching spray rack for circuit board production according to claim 1, characterized in that: A plurality of telescopic springs (20) are respectively sleeved on the surfaces of a plurality of telescopic rods (19), and a protection strip (22) is fixedly provided on one side of the two limit strips (21) away from the telescopic rod (19).

3. The etching spray rack for circuit board production according to claim 1, characterized in that: A protective pad (14) is fixedly provided on one side of the four limit blocks (13) away from the rotating seat (12).

4. The etching spray rack for circuit board production according to claim 1, characterized in that: Threaded holes (9) are provided at the connection points between the frame body (1) and the four threaded rods (10), and the four threaded holes (9) are respectively threadedly connected to the four threaded rods (10).

5. The etching spray rack for circuit board production according to claim 1, characterized in that: Support blocks (15) are fixedly arranged on both sides of the bottom end of the frame (1), a shunt pipe (16) is fixedly arranged between the two support blocks (15), and a plurality of conduits (17) are fixedly connected to the top end of the shunt pipe (16), and the plurality of conduits (17) are respectively connected to a plurality of transverse flow channels (2) and vertical flow channels (6).

6. The etching spray rack for circuit board production according to claim 1, characterized in that: A plurality of grooves (4) are provided on one side of the plurality of transverse flow channels (2), and a first through hole (5) is provided inside the plurality of grooves (4).

7. The etching spray rack for circuit board production according to claim 1, characterized in that: A second through hole (8) is provided on one side of the vertical flow channel (6).

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