Touch screen developing, etching and spraying device

By designing a touch screen developing and etching spray device, and utilizing a support plate rotation cleaning and spray drying component, the problem of etching solution residue after etching was solved, achieving efficient cleaning and drying of the circuit board and improving the etching effect.

CN223809973UActive Publication Date: 2026-01-16JIANGSU BUTTERFLY TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423294733.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-01-16
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

After etching, residual etching solution and contaminants can adversely affect the performance of existing circuit boards, and existing devices fail to effectively remove them during the drying process.

Method used

A touch screen developing and etching spraying device was designed, comprising an etching spraying box, a support plate, a cleaning box, a spraying component, a drying component, and a cleaning component. The support plate is driven by a linear motor to rotate and enter the cleaning box for cleaning. Combined with the spraying and drying components, the etching solution is effectively removed.

Benefits of technology

It effectively removes etching solution residue, avoids affecting the quality of the circuit board, and improves the etching effect and the drying quality of the circuit board.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of touch screen production, in particular to a touch screen developing, etching and spraying device which comprises an etching and spraying box, a supporting plate, a cleaning box, a spraying assembly, a drying assembly and a cleaning assembly, the etching and spraying box is provided with the supporting plate, a circuit board is placed on the supporting plate, the cleaning box is connected to the etching and spraying box, and the spraying assembly is arranged on the cleaning box. The spraying assembly is connected to the etching spraying box, the drying assembly is connected to the etching spraying box, and the cleaning assembly is connected to the etching spraying box. According to the circuit board cleaning device, when redundant etching liquid is cleaned, the moving base, the rotating shaft and the supporting plate are conveyed in the horizontal direction through the linear motor, the supporting plate can be rotated by 180 degrees through the cleaning assembly in the conveying process, and the side, provided with a circuit board, of the rotated supporting plate enters the cleaning box; and the cleaning liquid rises to soak the circuit board and wash off redundant etching liquid due to volume downward pressing, so that the influence of residual etching liquid on subsequent drying and the quality of the circuit board is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to touch -sensitive screen production technical field, concretely relates to a touch -sensitive screen developing etching spray device. BACKGROUND

[0002] Touch -sensitive screen production process needs to etch the printed circuit board and mainly adopts the resist to cover the wire and component pin that need to remain on copper plate, then removes the copper that is not covered and does not need to remain by etching liquid, and the conductive pattern needed in production.

[0003] The Chinese patent with the publication number CN220244793U discloses a circuit board etching spray device, which comprises an etching spray box and a liquid outlet pipe, and a uniform spray drying mechanism is arranged in the etching spray box.

[0004] However, in the above technical solution, only by setting the uniform spray drying mechanism, the purpose of uniform etching spray and drying after spraying of the circuit board is achieved, but in the patent, the circuit board is directly dried by the drying mechanism after etching, but the residual etching liquid and dirt on the circuit board can easily cause adverse effects on the performance of the circuit board. UTILITY MODEL CONTENT

[0005] The utility model aims at the problems in the background art and provides a touch -sensitive screen developing etching spray device.

[0006] The utility model discloses a technical scheme: a touch -sensitive screen development etching spray device, including etching spray tank, it is provided with support plate, and the circuit board is placed on the support plate, the cleaning tank is connected on etching spray tank, the spray subassembly is connected on etching spray tank, the spray subassembly uses state, and the spray end of spray subassembly evenly sprays etching liquid on the circuit board, the drying assembly is connected on etching spray tank, and the drying assembly uses state, and the drying end of drying assembly moves close to the circuit board in horizontal direction and carries out drying. The cleaning assembly is connected on etching spray tank, and the cleaning assembly includes linear motor, mobile seat and rotating shaft, and two linear motors are symmetrically set up, and the mobile end of linear motor is connected mobile seat, and rotating shaft is rotatably connected on mobile seat, and the opposite end of rotating shaft is connected support plate, and the cleaning assembly uses state, and the telescopic end of linear motor drives mobile seat and rotating shaft reciprocating movement, and rotating shaft reciprocating movement drives support plate to rotate and makes the circuit board immerse spray tank.

[0007] Preferably, the support plate is composed of a flow guide plate and a support table, the flow guide plate is provided with an inclined surface, and the support table is connected to the inclined surface and keeps parallel to the ground.

[0008] Preferably, the spray assembly comprises a liquid storage tank connected to the etching spray tank, and a liquid outlet pipe connected to the liquid storage tank; a threaded rod rotatably connected to the etching spray tank; a guide rod arranged in parallel with the threaded rod and connected to the etching spray tank at both ends; a driving device connected to the etching spray tank, with the output end of the driving device connected to either end of the threaded rod; a sliding seat threadedly connected to the liquid storage tank and provided with a through hole through which the guide rod passes; and a spray head connected to the sliding seat and connected to the other end of the liquid outlet pipe.

[0009] Preferably, the drying assembly comprises a first telescopic device arranged in parallel in two, and the first telescopic device is connected to the etching spray tank; and a plurality of drying pieces corresponding in number to the first telescopic device, and the drying pieces are connected to the first telescopic device.

[0010] Preferably, the cleaning assembly comprises an adjusting plate arranged in symmetry in two, and the adjusting plate is connected to the etching spray tank at both ends and provided with an adjusting groove; a rotating plate corresponding in number to the rotating shaft, and the rotating plate is connected to the rotating shaft and provided with a sliding block connected to the adjusting groove; and a clamping assembly connected to the support plate, and the clamping assembly is used to reduce the distance between the clamping assembly and the support plate to restrict the movement of the circuit board when the clamping assembly is in use.

[0011] Preferably, the clamping assembly comprises a second telescopic device arranged in symmetry in multiple, and the second telescopic device is connected to the support plate; a plurality of limiting frames corresponding in number to the second telescopic device, and the limiting frames are rotatably connected to the support plate, and the limiting frames are provided with limiting rods, and the end of the limiting frame away from the limiting rod is connected to the telescopic end of the second telescopic device.

[0012] Preferably, the limiting rod is connected with a protective sleeve.

[0013] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects:

[0014] In the utility model, when cleaning the excess etching liquid, the moving seat, the rotating shaft and the supporting plate are transported in the horizontal direction by the linear motor, the cleaning assembly rotates the angle of the supporting plate by 180 degrees during the transportation process, the supporting plate after rotation is installed on one side of the circuit board and enters the cleaning box, the volume of the supporting plate is pressed to cause the cleaning liquid to rise and soak the circuit board to wash away the excess etching liquid, and the influence of the etching liquid residue on subsequent drying and the quality of the circuit board is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective view of the utility model;

[0016] Figure 2 It is a sectional view schematic diagram; Figure 1

[0017] Figure 3 It is a cleaning assembly structure schematic diagram;

[0018] Figure 4 It is a structure enlarged view of A of the utility model; Figure 3

[0019] Figure 5 It is a cleaning assembly use state schematic diagram.

[0020] Reference signs: 1, etching spray tank; 2, supporting plate; 3, cleaning box; 4, linear motor; 5, moving seat; 6, rotating shaft; 7, flow guide plate; 8, supporting table; 9, liquid storage tank; 10, liquid outlet pipe; 11, threaded rod; 12, guide rod; 13, driving device; 14, sliding seat; 15, spray head; 16, first telescopic device; 17, drying piece; 18, adjusting plate; 19, adjusting groove; 20, rotating plate; 21, sliding block; 22, second telescopic device; 23, limiting frame; 24, limiting rod. DETAILED DESCRIPTION

[0021] Example one

[0022] As Figures 1-5 ​​As shown in the utility model discloses a kind of touch screen developing etching spray device, including etching spray tank 1, support plate 2, cleaning tank 3, spray assembly, drying assembly and cleaning assembly, etching spray tank 1 is provided with support plate 2, circuit board is placed on support plate 2, cleaning tank 3 is connected on etching spray tank 1, spray assembly is connected on etching spray tank 1;Spray assembly uses state, and the spray end of spray assembly evenly sprays etching liquid on circuit board;Drying assembly is connected on etching spray tank 1;Drying assembly uses state, and the drying end of drying assembly moves close to circuit board in horizontal direction and carries out drying;Cleaning assembly is connected on etching spray tank 1;Cleaning assembly includes linear motor 4, moving seat 5 and rotating shaft 6, two linear motor 4 are symmetrically provided, and the moving end of linear motor 4 is connected moving seat 5, and rotating shaft 6 is rotatably connected on moving seat 5, and rotating shaft 6 is connected support plate 2 on opposite end;Cleaning assembly uses state, and the telescopic end of linear motor 4 drives moving seat 5 and rotating shaft 6 reciprocating movement, and rotating shaft 6 reciprocating movement drives support plate 2 to rotate so that circuit board is immersed in spray tank;

[0023] In an optional embodiment, the support plate 2 is composed of a flow guide plate 7 and a support table 8, the flow guide plate 7 is provided with an inclined surface, the support table 8 is connected to the inclined surface, and the support table 8 is kept parallel to the ground; the flow guide plate 7 can guide the excess liquid to the bottom of the etching spray tank 1 to prevent the accumulation of the excess liquid on the flow guide plate 7.

[0024] Embodiment two

[0025] As Figures 1-2 shown, the utility model discloses a kind of touch screen developing etching spray device, compared to embodiment one, the detailed structure of spray assembly is recorded in this embodiment, and spray assembly includes liquid storage tank 9, liquid outlet pipe 10, threaded rod 11, guide rod 12, drive device 13, sliding seat 14 and spray head 15, liquid storage tank 9 is connected on etching spray tank 1, and liquid storage tank 9 is connected liquid outlet pipe 10, threaded rod 11 bearing rotatably connects on etching spray tank 1, guide rod 12 is arranged in parallel with threaded rod 11, and the both ends of guide rod 12 are connected with etching spray tank 1, drive device 13 is connected on etching spray tank 1, and the output end of drive device 13 is connected with any one end of threaded rod 11;Drive device 13 selects motor;Sliding seat 14 is threadedly connected on liquid storage tank 9, and the through hole passing through guide rod 12 is formed in sliding seat 14, and spray head 15 is connected on sliding seat 14, and spray head 15 is connected with the other end of liquid outlet pipe 10.

[0026] Embodiment three

[0027] As Figure 2As shown in the utility model discloses a kind of touch screen developing etching spray devices, compared with embodiment two, detailed structure of drying assembly is described in this embodiment, drying assembly includes first telescopic device 16 and drying piece 17, first telescopic device 16 is provided with two in parallel, first telescopic device 16 is connected on etching spray tank 1;First telescopic device 16 selects but is not limited to hydraulic cylinder;Drying piece 17 quantity corresponds to first telescopic device 16, drying piece 17 is connected on first telescopic device 16;Drying piece 17 selects but is not limited to air heater.

[0028] Embodiment four

[0029] As Figures 2-5 shown, the utility model discloses a kind of touch screen developing etching spray devices, compared with embodiment three, detailed structure of cleaning assembly is described in this embodiment, cleaning assembly further includes adjusting plate 18, rotating plate 20 and clamping assembly, adjusting plate 18 is symmetrically provided with two, adjusting plate 18 both ends are connected with etching spray tank 1, adjusting groove 19 is opened in adjusting plate 18;Adjusting groove 19 middle is V-shaped, both ends are horizontal shape;Rotating plate 20 quantity corresponds to rotating shaft 6, rotating plate 20 is connected with rotating shaft 6, sliding block 21 is connected on rotating plate 20, sliding block 21 is slidably connected with adjusting groove 19, clamping assembly is connected on support plate 2;Clamping assembly uses state, the moving end of clamping assembly is close to support plate 2 and reduces the interval between both to limit the movement of circuit board;

[0030] Clamping assembly includes second telescopic device 22 and limit frame 23, second telescopic device 22 is symmetrically provided with multiple, second telescopic device 22 is connected on support plate 2;Second telescopic device 22 selects but is not limited to hydraulic cylinder;Limit frame 23 quantity corresponds to second telescopic device 22, limit frame 23 is hingedly connected on support plate 2, limit frame 23 is connected with limiting rod 24, the end of limit frame 23 away from limiting rod 24 is connected with the telescopic end of second telescopic device 22;

[0031] In an optional embodiment, limiting rod 24 is connected with protective sleeve;Protective sleeve is sleeved on limiting rod 24 to prevent it from causing damage to circuit board, and directly clamps when corresponding positioning hole is not provided on circuit board by protective sleeve.

[0032] In summary, in use, the staff opens the cabinet door on the etching spray tank 1 and places the circuit board to be etched on the support plate 2, the second telescopic device 22 is moved to drive the limiting frame 23 to rotate with the hinge as the center, the limiting rod 24 on the limiting frame 23 is inserted into the positioning hole on the circuit board to limit the movement of the circuit board, after the spray assembly is started, the driving device 13 is started to drive the threaded rod 11 to rotate, the sliding seat 14 moves along the threaded rod 11, the circuit board on the support plate 2 is etched by the spray head 15, the etching liquid in the liquid storage tank 9 is continuously delivered to the spray head 15 through the liquid outlet pipe 10, and after the spraying is completed, the cleaning is carried out in time, the linear motor 4 is started, the moving end of the linear motor 4 moves to drive the moving seat 5, the rotating shaft 6 and the support plate 2 to move, the rotating shaft 6 moves along the adjusting groove 19, the sliding block 21 in the adjusting groove 19 rotates and moves along the bending part when contacting the bending part in the adjusting groove 19, the sliding block 21 drives the rotating plate 20 to change from the horizontal state to the vertical state, and then changes to the horizontal state along with the continuous movement in the bending part, in the process, the rotating plate 20 rotates 180 degrees to drive the moving seat 5 and the support plate 2 to rotate, after the rotation, the support plate 2 is deep into the cleaning tank 3 due to the protrusions of the support table 8, the liquid level of the cleaning liquid in the cleaning tank 3 is moved up through the volume, the cleaning liquid is used for soaking and cleaning the circuit board, after the cleaning is completed, the linear motor 4 is started to return the support plate 2 to the original position, the first telescopic device 16 is started to drive the drying part 17 to blow and dry the residual cleaning liquid to dry the circuit board.

[0033] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to this, various changes can be made within the knowledge range of the technical personnel in the technical field without departing from the purpose of the utility model.

Claims

1. A touch screen development etch shower apparatus characterized by, The utility model provides an etching shower box, which comprises a support plate (2) on which a circuit board is placed; a cleaning box (3) connected to the etching shower box (1); a shower assembly connected to the etching shower box (1); the shower end of the shower assembly uniformly sprays etching liquid on the circuit board in use; a drying assembly connected to the etching shower box (1); the drying end of the drying assembly moves horizontally to approach the circuit board for drying in use; a cleaning assembly connected to the etching shower box (1); the cleaning assembly comprises two linear motors (4), a moving seat (5) and a rotating shaft (6); the moving ends of the linear motors (4) are connected to the moving seat (5); the rotating shaft (6) is rotatably connected to the moving seat (5); the opposite ends of the rotating shaft (6) are connected to the support plate (2); the stretching and retracting ends of the linear motors (4) drive the moving seat (5) and the rotating shaft (6) to reciprocate in use; the rotating shaft (6) drives the support plate (2) to rotate during reciprocation, so that the circuit board is immersed in the shower box. The support plate (2) comprises a flow guide plate (7) and a support table (8); the flow guide plate (7) is provided with an inclined surface; the support table (8) is connected to the inclined surface; the support table (8) is parallel to the ground. The shower assembly comprises a liquid storage tank (9) connected to the etching shower box (1); the liquid storage tank (9) is provided with a liquid outlet pipe (10); a threaded rod (11) rotatably connected to the etching shower box (1); a guide rod (12) parallel to the threaded rod (11); the two ends of the guide rod (12) are connected to the etching shower box (1); 2. The spray device for developing etching of a touch screen according to claim 1, wherein a driving device (13) connected to the etching shower box (1); the output end of the driving device (13) is connected to any one end of the threaded rod (11); 3. The spray device of claim 1, wherein the spray device is a touch screen visualizing etching spray device. a sliding seat (14) threadedly connected to the liquid storage tank (9); the sliding seat (14) is provided with a through hole through which the guide rod (12) passes; a shower head (15) connected to the sliding seat (14); the shower head (15) is connected to the other end of the liquid outlet pipe (10). The drying assembly comprises two first telescopic devices (16) parallel to each other; the first telescopic devices (16) are connected to the etching shower box (1); a plurality of drying pieces (17) corresponding to the first telescopic devices (16); the drying pieces (17) are connected to the first telescopic devices (16). The cleaning assembly comprises two adjusting plates (18) parallel to each other; the two ends of the adjusting plates (18) are connected to the etching shower box (1); the adjusting plates (18) are provided with adjusting grooves (19); 4. The spray device of claim 1, wherein the spray device is a touch screen visualizing etching spray device. a plurality of rotating plates (20) corresponding to the rotating shaft (6); the rotating plates (20) are connected to the rotating shaft (6); the rotating plates (20) are provided with sliding blocks (21); the sliding blocks (21) are slidably connected to the adjusting grooves (19); a clamping assembly connected to the support plate (2); the moving end of the clamping assembly approaches the support plate (2) to reduce the distance between them in use, so as to limit the movement of the circuit board. The clamping assembly comprises 5. The spray device of claim 1, wherein the spray device is a touch screen visualization etching spray device. ​ ​ ​ ​ 6. A spray device for developing etch of a touch screen according to claim 5, wherein ​ A plurality of second telescopic devices (22) are symmetrically arranged and connected to the support plate (2); A plurality of limiting racks (23) corresponding to the second telescopic devices (22) are rotatably connected to the support plate (2), and a limiting rod (24) is connected to each limiting rack (23), and one end of each limiting rack (23) away from the limiting rod (24) is connected to the telescopic end of the corresponding second telescopic device (22).

7. A spray device for developing etch of a touch screen according to claim 6, wherein The limiting rod (24) is connected with a protective sleeve.

Citation Information

Patent Citations

  • Deviation rectifying mechanism for RTP production line

    CN220244793U