Search

CN-121985485-A - Circuit board etching equipment with self-cleaning function

CN121985485ACN 121985485 ACN121985485 ACN 121985485ACN-121985485-A

Abstract

The invention relates to the technical field of integrated circuit manufacturing, in particular to circuit board etching equipment with a self-cleaning function. The novel multifunctional water-saving device comprises an organism, wherein a first support is fixedly connected in the organism, fixing plates which are distributed at equal intervals are fixedly connected in the first support, a rotating plate is rotationally connected with the fixing plates, the rotating plate is fixedly connected with spray heads which are distributed at equal intervals in the circumferential direction and penetrate through the rotating plate, the spray heads are provided with inner flow channels and outer flow channels, the fixing plates are fixedly connected with first pipelines, all the fixing plates are fixedly connected with second pipelines jointly, a second support is fixedly connected in the organism, a liquid draining shell is fixedly connected with the second support, and the liquid draining shell is communicated with a third pipeline. According to the invention, the etching liquid is sprayed onto the moving circuit board in an inclined way through the spray head, and then the residual etching liquid on the circuit board is sucked away by the liquid discharge shell, so that the etching liquid on the circuit board is cleaned rapidly, the reaction time of the etching liquid on the circuit board is controlled accurately, and the etching quality of the circuit board is ensured.

Inventors

  • ZHOU JIAJUN
  • PENG YANPING

Assignees

  • 湖南超胜电子科技有限公司

Dates

Publication Date
20260505
Application Date
20260331

Claims (10)

  1. 1. The circuit board etching equipment with the self-cleaning function comprises an organism (1), a conveying component (2) is arranged on the organism (1), a first support (3) is fixedly connected in the organism (1), and the circuit board etching equipment is characterized by further comprising fixing plates (4) which are distributed at equal intervals, wherein all the fixing plates (4) are fixedly connected with the first support (3), the fixing plates (4) are rotationally connected with a rotating plate (5), the rotating plate (5) is fixedly connected with spray heads (6) which are distributed at equal intervals in the circumferential direction and penetrate through the rotating plate, the spray heads (6) are provided with inner flow channels (601) and outer flow channels (602), the fixing plates (4) are provided with communication grooves (401), the communication grooves (401) are communicated with the outer flow channels (602), the fixing plates (4) are fixedly connected with first pipelines (7), all the fixing plates (4) are fixedly connected with second pipelines (8), all the communication grooves (401) are fixedly connected with the second pipelines (8) and the second support (9) and the second pipelines (10) are fixedly connected with the second support (10), the first pipeline (7) and the second pipeline (8) are respectively communicated with the liquid supply device and the air supply device, the third pipeline (11) is communicated with the etching liquid collecting box, and the etching liquid collecting box is communicated with the negative pressure device.
  2. 2. The circuit board etching equipment with the self-cleaning function according to claim 1, wherein two third brackets (12) are fixedly connected in the machine body (1), the two third brackets (12) are connected with a rotating frame (13) in a common rotating mode, water absorbing cottons (14) which are distributed at equal intervals in the circumferential direction are fixedly connected with the rotating frame (13), the water absorbing cottons (14) are used for wiping residual etching liquid on the circuit board, a first motor (15) is fixedly connected on one of the third brackets (12), and the first motor (15) is fixedly connected with the rotating frame (13) through an output shaft.
  3. 3. The circuit board etching equipment with the self-cleaning function according to claim 2, wherein two third brackets (12) are connected with a threaded rod (16) in a rotating mode and fixedly connected with a straight rod (17), the straight rod (17) is connected with a moving frame (18) in threaded connection with the threaded rod (16) in a sliding mode, one third bracket (12) is fixedly connected with a second motor (19), an output shaft of the second motor (19) is fixedly connected with the threaded rod (16), the moving frame (18) is connected with two sliding blocks (20) in a sliding mode, the sliding blocks (20) are connected with rollers (21) in a rotating mode, the rollers (21) are used for extruding etching liquid in the absorbent cotton (14), and a first spring (22) is arranged between the sliding blocks (20) and the moving frame (18).
  4. 4. A circuit board etching device with a self-cleaning function according to claim 3, wherein a fourth bracket (23) is fixedly connected in the machine body (1), a water guide piece (24) is fixedly connected with the fourth bracket (23), a water guide plate (25) is hinged to the water guide piece (24) in a limiting mode, and the water guide plate (25) is used for guiding etching liquid extruded from the absorbent cotton (14).
  5. 5. The circuit board etching device with the self-cleaning function according to claim 1, wherein a third motor (26) is fixedly connected to the fixed disc (4), the third motor (26) and the adjacent rotating disc (5) are driven by a gear ring gear, and a sensor is arranged at the communication position of the first pipeline (7) and the adjacent inner runner (601).
  6. 6. The circuit board etching equipment with the self-cleaning function according to claim 5, wherein the fixed disc (4) is fixedly connected with a communication shell (27), the communication shell (27) is communicated with a communication head (28), the communication head (28) is used for communicating with the corresponding spray heads (6), the communication shells (27) which are distributed at equal intervals are jointly communicated with a fourth pipeline (29), the fourth pipeline (29) is communicated with an air supply device, the fourth pipeline (29) is provided with electromagnetic valves which are distributed at equal intervals, and the electromagnetic valves of the fourth pipeline (29) are in one-to-one correspondence with the communication shell (27).
  7. 7. The circuit board etching device with the self-cleaning function according to claim 6, wherein the fixed disk (4) is provided with communication holes which are communicated with the corresponding inner flow passages (601), and the communication holes on the fixed disk (4) which are distributed at equal intervals are jointly communicated with a fifth pipeline (30), and the fifth pipeline (30) is communicated with a glove box.
  8. 8. A circuit board etching apparatus with self-cleaning function according to claim 7, characterized in that the communication housing (27) is rotatably connected with a rotating plate (31), the rotating plate (31) being used for pulsing the air flow through the communication housing (27).
  9. 9. The circuit board etching device with the self-cleaning function according to claim 8, wherein the fourth pipeline (29) is slidably connected with sliding pieces (32) distributed at equal intervals, the sliding pieces (32) are used for limiting the adjacent rotating plates (31), and a second spring (33) is arranged between the sliding pieces (32) and the fourth pipeline (29).
  10. 10. The etching apparatus for circuit boards with self-cleaning function according to claim 4, wherein the water guide plate (25) partially coincides with the projection of the water guide member (24) on the horizontal plane, and the water guide plate (25) is located on the upper side of the water guide member (24).

Description

Circuit board etching equipment with self-cleaning function Technical Field The invention relates to the technical field of integrated circuit manufacturing, in particular to circuit board etching equipment with a self-cleaning function. Background In the production process of the circuit board, a dry film or photoresist is required to be covered on the surface of the copper foil of the copper-clad plate, so that a corrosion-resistant protective layer corresponding to a target circuit is formed, then an etching solution and unprotected copper foil are subjected to oxidation-reduction reaction, redundant copper foil is removed by dissolution, copper under the corrosion-resistant protective layer is reserved to form a circuit, and the circuit board is required to be cleaned in time after etching is finished. When the existing etching equipment etches the circuit board, the circuit board is required to be placed on the conveying assembly, then the conveying assembly conveys the circuit board to the inside of the equipment, etching is conducted by spraying etching liquid on the surface of the circuit board in a spraying mode, in the process, the etching liquid in the middle of the circuit board cannot be discharged from the circuit board in time due to the fact that the spraying area of the etching liquid is wide, the concentration of the etching liquid remained in different positions on the circuit board is different, uneven etching is caused, or the residence time of the etching liquid on the circuit board is too long, overetching is caused, and the production quality of the circuit board is seriously affected. Disclosure of Invention In order to overcome the disadvantages mentioned in the background art, the present invention provides a circuit board etching apparatus with a self-cleaning function. The technical scheme of the invention is that the circuit board etching equipment with the self-cleaning function comprises an organism, a conveying assembly is arranged on the organism, a first bracket is fixedly connected in the organism, a fixed disc which is uniformly distributed is fixedly connected in the organism, a rotating disc is rotationally connected to the fixed disc, a nozzle which is circumferentially uniformly distributed and penetrates through the rotating disc is fixedly connected to the rotating disc, the nozzle is provided with an inner flow channel and an outer flow channel, the fixed disc is provided with a communicating groove, the communicating groove is communicated with the outer flow channel, the fixed disc is fixedly connected with a first pipeline, the first pipeline is communicated with the adjacent inner flow channel, all the fixed discs are fixedly connected with a second pipeline together, all the communicating grooves are communicated with the second pipeline, a second bracket is fixedly connected in the organism, a liquid discharge shell is fixedly connected to the second bracket, the liquid discharge shell is communicated with a third pipeline, the first pipeline and the second pipeline are respectively communicated with a liquid supply device and a gas supply device, the third pipeline is communicated with an etching liquid collecting box, and the etching liquid collecting box is communicated with a negative pressure device. As the improvement of above-mentioned scheme, the rigid coupling has two third supports in the organism, two the third support is rotated jointly and is connected with the rotating turret, the rotating turret rigid coupling has the cotton that absorbs water of circumference equidistant distribution, it is used for wiping residual etching solution on the circuit board to absorb water cotton, one of them rigid coupling has first motor on the third support, first motor be the output shaft with the rotating turret rigid coupling. As the improvement of above-mentioned scheme, two the third support joint rotation is connected with the threaded rod and the rigid coupling has the straight-bar, straight-bar sliding connection have with threaded rod threaded connection's movable frame, one of them rigid coupling has the second motor on the third support, the output shaft of second motor with threaded rod rigid coupling, movable frame sliding connection has two sliding blocks, the sliding block rotates and is connected with the gyro wheel, the gyro wheel is used for with the etching solution in the cotton that absorbs water extrudes, the sliding block with be provided with first spring between the movable frame. As an improvement of the scheme, a fourth bracket is fixedly connected in the machine body, a water guide piece is fixedly connected in the fourth bracket, a water guide plate is hinged to the water guide piece in a limiting mode, and the water guide plate is used for guiding etching liquid extruded from the absorbent cotton. As an improvement of the scheme, the fixed disc is fixedly connected with a third motor, the third motor is in transmission with the adj