Circuit board corrosion processing device

Abstract

The utility model relates to the technical field of circuit board processing, in particular to a circuit board corrosion processing device which comprises a supporting frame arranged in an inner cavity of a box body, a supporting workbench is arranged on the supporting frame, a screw rod is arranged on the supporting workbench, a placing mechanism is further arranged on the supporting workbench, and a cleaning mechanism is arranged on the screw rod. The cleaning mechanism comprises a fixing plate arranged on the upper section of the screw rod, a plurality of notches are formed in the outer side of the fixing plate at equal intervals, a side support is arranged on the notches, a plurality of cleaning blocks are arranged on the side support at equal intervals, a spraying frame is further arranged on the side support, a cam is arranged on the upper side of the fixing plate, and the cleaning blocks are arranged on the cam. Springs are arranged at the two ends of the side support and on the side portions, corresponding to the notches, of the side support. According to the circuit board cleaning device, chemical agents on a circuit board are cleaned under the action of the cleaning block in the cleaning mechanism in a corresponding up-and-down reciprocating and front-and-back reciprocating mode, and the all-directional cleaning effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board processing, in particular to a circuit board corrosion processing device. Background Art

[0002] At present, the corrosion effect of chemical agents is used to make circuit boards. After the corrosion process is completed, the circuit board surface needs to be soaked in liquids such as clean water or cleaning liquid. However, the current soaking method will cause certain reactants to adhere to the surface of the circuit board during the reaction process. These reactants will not be directly separated under the effect of soaking, resulting in the inability to clean the residual chemical agents on the surface of the circuit board, which will affect the reaction rate of the next step and reduce the use effect of the circuit board. Utility Model Content

[0003] In view of the shortcomings of the prior art, the utility model provides a circuit board corrosion processing device to solve the technical problem of residual chemical agents on the surface of the circuit board proposed by the above background technology.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a circuit board etching processing device, comprising a support frame arranged in the inner cavity of a box body, the support frame is provided with a support table, the support table is provided with a screw, the support table is also provided with a placement mechanism for placing circuit boards of multiple specifications, and the screw is provided with a cleaning mechanism for performing all-round cleaning of the circuit board after etching processing;

[0005] The cleaning mechanism includes a fixed plate arranged on a section of the screw rod, a plurality of notches with the same spacing are arranged on the outer side of the fixed plate, a side bracket is arranged on the notch, a plurality of cleaning blocks with the same spacing are arranged on the side bracket, a spray rack is also arranged on the side bracket, a cam is arranged on the upper side of the fixed plate, and springs are arranged at both ends of the side bracket and on the sides corresponding to the notches.

[0006] Preferably, the placement mechanism includes a plurality of slot groups arranged on the supporting table, and each of the plurality of slots included in the slot group has two limit clamps arranged at the front and rear, and a plurality of the limit clamps distributed at the outside are provided with push plates.

[0007] Preferably, a plurality of guide blocks are provided on the side of the support platform, and a corresponding guide groove is provided on the outside of each guide block and on the inner wall of the support frame.

[0008] Preferably, through openings are provided between adjacent slots included in the slot group.

[0009] Preferably, a connecting groove is provided at the lower end of the push plate, and a connecting block is provided in the connecting groove and on the limiting clamp block.

[0010] Preferably, a forward and reverse motor is provided at the top end of the screw for use therewith.

[0011] Preferably, a corrosion-resistant rubber pad is provided on the surface of the inner clamping groove of the limiting clamping block.

[0012] By means of the above technical solution, the utility model provides a circuit board etching processing device, which has at least the following beneficial effects:

[0013] 1. Due to the arrangement of the screw and the cleaning mechanism, the utility model drives the cleaning block in the cleaning mechanism to clean the chemical agents on the circuit board in the horizontal, vertical and longitudinal directions by corresponding up and down reciprocating and front and back reciprocating movements, thereby achieving an all-round cleaning effect and effectively improving the cleaning quality of the circuit board.

[0014] 2. Due to the setting of the placement mechanism, the utility model can simultaneously push the limit clamps placed on the outside of multiple slots inward through the push plate, and with the cooperation of the inner limit clamps distributed in the corresponding slots, the inserted circuit boards are limited and clamped. If there are small-sized circuit boards, they can be separated through the connecting grooves and connecting blocks, and a single limit clamp placed on the outside can be directly pushed for assembly, which has universal applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute improper limitations on the present application.

[0016] In the attached picture:

[0017] Figure 1 This is an overall three-dimensional structural diagram of a circuit board corrosion processing device of the utility model;

[0018] Figure 2 This is a three-dimensional internal structure diagram of a circuit board corrosion processing device of the utility model;

[0019] Figure 3 The utility model is a circuit board corrosion processing device Figure 2 Enlarged structural diagram at point A in the middle.

[0020] In the figure: 1. box body; 2. support frame; 3. support table; 4. screw; 5. placement mechanism; 51. slot group; 52. limit clamp block; 53. push plate; 54. connecting block; 6. cleaning mechanism; 61. fixing plate; 62. side bracket; 63. cleaning block; 64. spray rack; 65. cam; 66. spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In order to realize the moving function of the cleaning block 63 in the cleaning mechanism 6 of the present technical solution on the surface of the circuit board, please refer to Figure 1-Figure 3 This is an embodiment of the utility model: a circuit board corrosion processing device, including a support frame 2 movably assembled in the inner cavity of a box body 1, a plurality of operating ports for operating and taking circuit boards are provided around the support frame 2 inside and outside, an opening is provided at the bottom of the support frame 2, the inner cavity of the support frame 2 is guided and connected to a support table 3 near the bottom, a plurality of guide blocks are integrally formed on the side of the support table 3, a corresponding guide groove is provided on the outside of each guide block and in the inner cavity of the support frame 2, an internal thread groove is provided in the center of the end face of the support table 3 and is rotationally connected with the external thread on the outside of the screw 4, a forward and reverse motor for matching is installed at the top of the screw 4, the forward and reverse motor is started to drive the screw 4 to rotate, at this time, the support table 3 which is rotationally matched with the thread on the screw 4 performs reciprocating linear motion in the vertical direction under the limitation of the surrounding guide blocks and guide grooves, so that the plugged and placed circuit boards are cleaned in the horizontal and vertical directions by the action of the cleaning block 63 in the cleaning mechanism 6 through the form of up and down reciprocating motion.

[0023] Among them, in order to place circuit boards of various specifications, a placement mechanism 5 installed on the supporting table 3 is adopted in the technical solution. Its specific structure includes a plurality of slot groups 51 slotted on the supporting table 3. A through opening (not shown in the figure) is provided between adjacent slots included in the slot group 51. The size of the through opening can accommodate the corresponding cleaning block 63 to pass up and down. Two limit clamps 52 are installed front and back in the plurality of slots included in the slot group 51. The inner limit clamp 52 is fixed in the corresponding slot with screws, and the outer limit clamp 52 slides horizontally in the corresponding slot through the guide rail. A push plate 53 is installed on the plurality of limit clamps 52 distributed on the outside, and the lower end of the push plate 53 A connecting groove is provided, in which a connecting block 54 is welded and placed on the limiting clamp block 52. A corrosion-resistant rubber pad is bonded and fixed to the inner clamp groove surface of the limiting clamp block 52. The circuit boards after corrosion processing are placed in the multiple slots included in the slot group 51 in sequence through the multiple slot groups 51 opened on the supporting workbench 3. Then, the push plates 53 combined on the multiple outer limiting clamp blocks 52 are used to push inward synchronously in the slot group 51 to limit and clamp the inserted circuit boards. If there are small-sized circuit boards, a single limiting clamp block 52 placed on the outside can be directly pushed, and the circuit boards can be clamped and limited in position with the cooperation of the inner limiting clamp blocks 52 distributed in the corresponding slots.

[0024] Among them, in order to solve the problem of residual chemical agents on the surface of the circuit board, a cleaning mechanism 6 installed on the screw 4 is adopted in the technical solution. Its specific structure includes a fixed plate 61 rotatably connected to a section of the screw 4 through a bearing. The fixed plate 61 and the related structures on the fixed plate 61 will not rotate under the drive of the screw 4 through the bearing connection. A plurality of notches with the same spacing are provided on the outer side of the fixed plate 61, and a side bracket 62 is installed on the notch. A plurality of cleaning blocks 63 with the same spacing distribution can be detachably assembled on the lower side of the side bracket 62. A spray rack 64 is also installed on the side bracket 62. A plurality of nozzles are installed in a slot below the spray rack 64, and a liquid inlet end of the nozzle is provided with There is a booster pump connected to the external cleaning liquid, a fixed cam 65 is sleeved on the upper side of the fixed plate 61 and on the outside of the screw 4, and springs 66 are installed on both ends of the side bracket 62 and on the sides of the corresponding notch. Under the action of the screw 4, the fixed cam 65 sleeved thereon is driven to rotate, and the cam 65 will contact the vertical surface of the side bracket 62 accordingly. Under the traction of the spring 66, the side bracket 62 and the related structures on the side bracket 62 are horizontally reciprocating at the corresponding notch, so that the plug-in circuit board is further cleaned in the horizontal and longitudinal direction by the cleaning block 63 in the cleaning mechanism 6 through the form of reciprocating movement back and forth, so as to achieve an all-round cleaning effect.

[0025] The control method of the present invention is automatic control through a controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. The present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0026] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A circuit board etching processing device, comprising a support frame (2) arranged in the inner cavity of a box (1), a support table (3) arranged on the support frame (2), a screw (4) arranged on the support table (3), and a placement mechanism (5) for placing circuit boards of multiple specifications arranged on the support table (3), characterized in that: The screw rod (4) is provided with a cleaning mechanism (6) for performing all-round cleaning on the circuit board after the corrosion process; The cleaning mechanism (6) comprises a fixed plate (61) arranged on a section of the screw rod (4); a plurality of notches with equal spacing are arranged on the outer side of the fixed plate (61); a side bracket (62) is arranged on the notch; a plurality of cleaning blocks (63) with equal spacing are arranged on the side bracket (62); a spray rack (64) is also arranged on the side bracket (62); a cam (65) is arranged on the upper side of the fixed plate (61); and springs (66) are arranged at both ends of the side bracket (62) and on the sides corresponding to the notches.

2. A circuit board etching processing device according to claim 1, characterized in that: The placement mechanism (5) comprises a plurality of slot groups (51) arranged on a supporting workbench (3), wherein each of the plurality of slots included in the slot group (51) has two limit clamps (52) arranged in front and back, and a push plate (53) is arranged on the plurality of limit clamps (52) distributed on the outside.

3. A circuit board etching processing device according to claim 1, characterized in that: A plurality of guide blocks are arranged on the side of the support platform (3), and a corresponding guide groove is arranged on the outside of each guide block and on the inner wall of the support frame (2).

4. A circuit board etching processing device according to claim 2, characterized in that: Through openings are provided between adjacent slots included in the slot group (51).

5. A circuit board etching processing device according to claim 2, characterized in that: A connecting groove is provided at the lower end of the push plate (53), and a connecting block (54) is provided in the connecting groove and on the limiting clamp block (52).

6. A circuit board etching processing device according to claim 1, characterized in that: The top end of the screw rod (4) is provided with a forward and reverse motor for use with it.

7. A circuit board etching processing device according to claim 2, characterized in that: A corrosion-resistant rubber pad is provided on the surface of the inner clamping groove of the limiting clamping block (52).

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