PCVB board etching machine

Abstract

The invention relates to the field of PCVB board etching, and discloses a PCVB board etching machine which comprises an L-shaped plate and a fixing box, the fixing box is arranged on the L-shaped plate, a partition plate is arranged in the middle of the fixing box, a cleaning chamber is arranged at the position, above the partition plate, in the fixing box, and a lifting structure and a transmission structure are arranged on the L-shaped plate. According to the invention, the lifting structure is arranged in the etching chamber, so that the lifting structure directly drives the PCVB plate to move into the etching chamber in the vertical direction to set immersion etching and spraying etching work, the PCVB plate can be driven to enter the cleaning chamber when the lifting structure drives the PCVB plate to move out of the etching chamber, and the cleaning work is carried out through the cleaning structure, so that the working time is greatly saved, the working efficiency is higher, and the working efficiency is improved. And in the process that the lifting structure drives the PCVB board to move into the cleaning chamber, the blocking structure can be automatically driven through the transmission structure, and the cleaning chamber and the etching chamber are automatically blocked, so that the PCVB board can be independently etched and cleaned in the cleaning chamber and the etching chamber, and the problem of mutual interference is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of PCVB board etching, in particular to a PCVB board etching machine. BACKGROUND

[0002] The PCVB board is a printed circuit board, also known as a printed wiring board, which is an important electronic component, a support body of electronic components, and a carrier for electrical interconnection of electronic components. During processing, an etching machine is used for etching processing work. In the prior art, the etching machine controls the sliding distance of the moving plate through the rotation time of the first motor, thereby accurately controlling the distance between the moving plate and the fixed plate according to the width of the circuit board, and finally ensuring that the circuit board can be effectively fixed without being damaged. Through the cooperation of the moving assembly, the telescopic assembly and the air heater, the etching machine can automatically perform etching, cleaning and drying operations. However, in actual processing, since the etching tank and the cleaning chamber are arranged on the box, the PCVB board needs to be moved to the etching tank and the cleaning chamber respectively, which requires the PCVB board to be moved constantly in the horizontal and vertical directions, thereby increasing the occupied space of the etching machine, wasting working time, and increasing the manufacturing cost of the etching machine. SUMMARY

[0003] To solve the problems in the background art, the present application provides a PCVB board etching machine.

[0004] The PCVB board etching machine provided by the present application adopts the following technical scheme: A PCVB board etching machine, comprising an L-shaped plate and a fixed box, wherein the fixed box is arranged on the L-shaped plate, a partition plate is arranged in the middle of the fixed box, a cleaning chamber is arranged above the partition plate in the fixed box, a blowdown pipe communicating with the cleaning chamber is arranged on the fixed box, a cleaning structure is arranged in the cleaning chamber, an etching chamber is arranged below the partition plate in the fixed box, an etching liquid is contained in the etching chamber, a spraying etching structure is arranged in the etching chamber, a plugging structure is arranged on the partition plate, and a lifting structure is arranged on the front side of the L-shaped plate. The plugging structure comprises a sealing groove arranged in the middle of the left and right side faces of the fixed box, a middle groove is arranged in the middle of the partition plate, a sealing plate is movably arranged on the groove wall of the sealing groove, the sealing plate is movably inserted into the middle groove, an insertion plate is arranged on the side face of each of the two sealing plates away from each other, a sealing strip is arranged on the side face of one of the sealing plates, and an insertion slot is arranged on the side face of the other sealing plate. The lifting structure comprises a vertical slot formed in the L-shaped plate, the rear side of the L-shaped plate is connected with a first mounting plate at the upper and lower ends of the vertical slot, a screw rod is rotatably connected between the two first mounting plates, a first motor is mounted on the upper first mounting plate, the bottom end of the output shaft of the first motor is connected with the screw rod, a lifting sleeve is sleeved on the screw rod, threads are formed in the inner wall of the lifting sleeve, a lifting plate is connected to the lifting sleeve, the lifting plate movably passes through the vertical slot, a placing structure is arranged at the upper end of the lifting plate, and a transmission structure is arranged between the lifting sleeve and the two plug-in plates.

[0005] Preferably, the transmission structure comprises two horizontal slots formed below the rear side of the L-shaped plate, moving blocks are slidably arranged at the inner ends of the horizontal slots, a driving plate is connected to the moving blocks, a driving groove is formed in the driving plate, two driving rods are connected to the lifting sleeve, one end of each driving rod is slidably arranged in the driving groove, a connecting strip is connected to the driving plate below one side thereof, and one end of the connecting strip is connected to the plug-in plate.

[0006] Preferably, the spray etching structure comprises a liquid feeding pump formed below the left and right side surfaces of the fixed box, the liquid feeding pump is communicated with the etching chamber, the liquid outlet end of the liquid feeding pump is connected with a liquid feeding pipe, and the liquid feeding pipe is inserted into the etching chamber and has a first spray head mounted at the inner end thereof.

[0007] Preferably, the cleaning structure comprises a second mounting plate fastened to the front side of the fixed box by bolts, a water storage tank is mounted on the second mounting plate, a water feeding pipe is connected to the water feeding pump on the upper surface of the water storage tank, an inner plate is arranged in the middle of the cleaning chamber, a circular groove is formed in the middle of the inner plate, a hollow fixing frame is fixedly mounted on the groove wall of the circular groove, one end of the water feeding pipe is communicated with the fixing frame, a rotating ring is rotatably mounted on the inner wall of the fixing frame, a plurality of second spray heads are mounted on the inner wall of the rotating ring, and a driving structure is arranged on the fixing frame.

[0008] Preferably, the driving structure comprises a mounting sleeve fixedly arranged on the inner wall of the cleaning chamber, a motor box is fixedly mounted in the mounting sleeve, a first gear is fixedly sleeved on the bottom end of the output shaft of a second motor in the motor box, a tooth ring is fixedly sleeved on the top end of the rotating ring, and the first gear and the tooth ring are meshingly connected.

[0009] Preferably, the placing structure comprises a vertical rod fixedly penetrating one end of the lifting plate, a bottom cylinder is mounted at the bottom end of the vertical rod, a plurality of placing plates are arranged on the bottom cylinder through an alternating overturning structure, a placing groove is formed in the side of the placing plate away from the bottom cylinder, and an alternating clamping structure is arranged on the placing plate.

[0010] Preferably, the alternate clamping structure comprises a plurality of first through-strips movably penetrating through the upper and lower sides of the placing plate, each of the first through-strips is provided with a first clamping block at one end inserted into the placing plate, a plurality of second through-strips movably penetrate through the upper and lower sides of the placing plate, each of the second through-strips is provided with a second clamping block at one end inserted into the placing plate, the first clamping blocks and the second clamping blocks are provided with clamping grooves, each group of the first clamping blocks and the second clamping blocks are arranged in a horizontal direction and spaced from each other, and the placing plate is provided with an automatic switching structure.

[0011] Preferably, the automatic switching structure comprises mounting blocks connected to the upper and lower sides of the placing plate, the mounting blocks are provided with mounting cylinders, the mounting cylinders are provided with electric telescopic rods, one end of an output shaft of the electric telescopic rods is connected to a driving block, a through rod is fixedly penetrated through the driving block, each group of the first through-strips is connected to a first horizontal plate at one end, the first horizontal plate is provided with a first switching groove, each group of the second through-strips is connected to a second horizontal plate at one end, the second horizontal plate is provided with a second switching groove, and the through rod is inserted into the first switching groove and the second switching groove at two ends, respectively.

[0012] Preferably, the alternate overturning structure comprises a plurality of through grooves provided in the side surface of the bottom cylinder, each of the through grooves is arranged corresponding to the position of the placing plate, the inner wall of the bottom cylinder is provided with an inner block at both sides of each of the through grooves, each of the inner blocks is connected to a fixing strip, each group of two fixing strips is rotatably penetrated through an overturning shaft at one end, each of the overturning shafts is sleeved with two overturning strips, one end of the overturning strips penetrating out of the through grooves is connected to the placing plate, a second gear is fixedly sleeved on the overturning shaft at the middle, an inner groove is provided in the bottom end of the vertical rod, a gas cylinder is arranged in the inner groove, a lifting block is arranged on the bottom end of the bottom cylinder inserted into the output shaft of the gas cylinder, a plurality of first L-shaped strips and second L-shaped strips are connected to the side surface of the lifting block, respectively, the first L-shaped strips and the second L-shaped strips are arranged in a spaced manner, and the teeth on the first L-shaped strips and the second L-shaped strips are meshingly connected with the corresponding second gears.

[0013] In summary, the present application has the following beneficial technical effects: 1. The etching machine for PCVB plate in the embodiment of the present application, which is characterized in that: the etching chamber and the cleaning chamber are arranged in the vertical direction of the fixed box, the spraying etching structure is arranged in the etching chamber, the inclined structure and the driving structure are arranged in the cleaning chamber, the blocking structure is arranged on the fixed box, the lifting structure and the transmission structure are arranged on the L-shaped plate, the lifting structure drives the PCVB plate to move into the etching chamber along the vertical direction, the immersion etching and the spraying etching work are arranged, the PCVB plate is driven by the lifting structure to move out of the etching chamber, and the PCVB plate enters the cleaning chamber, the cleaning work is carried out by the cleaning structure, the working time is greatly saved, the working efficiency is higher, and the lifting structure drives the PCVB plate to move into the cleaning chamber, the blocking structure is automatically driven by the transmission structure, the cleaning chamber and the etching chamber are automatically blocked, the PCVB plate can be etched and cleaned in the cleaning chamber and the etching chamber, and the mutual interference problem is avoided; 2. The etching machine for PCVB plate in the embodiment of the present application, which is characterized in that: the placing structure, the alternate clamping structure, the automatic switching structure and the alternate overturning structure are arranged, the automatic switching structure automatically drives the alternate clamping structure to alternately clamp different positions on the PCVB plate, the PCVB plate is better exposed, the PCVB plate is fully etched, the etching work quality is improved, and the alternate overturning structure automatically drives the multiple placing plates and the PCVB plate to alternately overturn, so that the PCVB plates are not blocked during etching or cleaning, and the problem that the spraying etching or cleaning is not thorough is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structure schematic view of the etching machine for PCVB plate in the embodiment of the present application; Figure 2 is a structure schematic view of the rear side of the L-shaped plate in the embodiment of the present application; Figure 3 is a structure schematic view of the fixed box in the embodiment of the present application; Figure 4 is a structure schematic view of the inner plate in the embodiment of the present application; Figure 5 is a structure schematic view of the bottom cylinder in the embodiment of the present application; Figure 6 is a structure schematic view of the placing plate in the embodiment of the present application; Figure 7 is a structure schematic view of the inside of the bottom cylinder in the embodiment of the present application; Figure 8 is a structure schematic view of the inside of the bottom cylinder in the embodiment of the present application; Figure 7 is an enlarged view of the A structure in the embodiment of the present application.

[0015] Explanation of reference signs: 1, L-shaped plate; 2, fixed box; 3, partition plate; 4, middle groove; 5, etching chamber; 6, cleaning chamber; 7, sealing groove; 8, sealing plate; 9, plug plate; 10, connecting strip; 11, driving plate; 12, vertical groove; 13, lifting plate; 14, vertical rod; 15, first mounting plate; 16, first motor; 17, screw rod; 18, lifting sleeve; 19, driving rod; 20, driving groove; 21, sealing strip; 22, plug groove; 23, liquid feeding pipe; 24, first nozzle; 25, inner plate; 26, circular groove; 27, fixed frame; 28, rotating ring; 29, second nozzle; 30, water feeding pipe; 31, water storage tank; 32, mounting sleeve; 33, motor box; 34, first gear; 35, gear ring; 36, second mounting plate; 37, bottom cylinder; 38, placing plate; 39, placing groove; 40, first penetrating strip; 41, first clamping block; 42, second penetrating strip; 43, second clamping block; 44, clamping groove; 45, first cross plate; 46, first switching groove; 47, second cross plate; 48, second switching groove; 49, mounting block; 50, driving block; 51, penetrating rod; 52, mounting cylinder; 53, through groove; 54, overturning strip; 55, inner block; 56, fixing strip; 57, overturning shaft; 58, second gear; 59, first L-shaped strip; 60, lifting block; 61, second L-shaped strip; 62, air cylinder; 63, horizontal groove; 64, moving block. DETAILED DESCRIPTION

[0016] The above description is made in conjunction with the accompanying drawings. Figures 1-8 The application is further described in detail.

[0017] With reference to the accompanying drawings, Figures 1-8 The etching machine for PCVB plate comprises an L-shaped plate 1 and a fixed box 2, the fixed box 2 is arranged on the L-shaped plate 1, a partition plate 3 is arranged at the middle of the fixed box 2, a cleaning chamber 6 is arranged above the partition plate 3 in the fixed box 2, a sewage pipe communicating with the cleaning chamber 6 is arranged on the fixed box 2, the cleaning chamber 6 is provided with a cleaning structure, an etching chamber 5 is arranged below the partition plate 3 in the fixed box 2, the etching chamber 5 is filled with etching liquid, the etching chamber 5 is provided with a spraying etching structure, a plugging structure is arranged on the partition plate 3, and a lifting structure is arranged on the front side of the L-shaped plate 1; The plugging structure comprises sealing grooves 7 arranged at the middle of the left and right side faces of the fixed box 2, a middle groove 4 arranged at the middle of the partition plate 3, sealing plates 8 movably penetrating the groove walls of the sealing grooves 7, the sealing plates 8 movably inserted into the middle groove 4, plug plates 9 mounted on the side faces of the two sealing plates 8 away from each other, a sealing strip 21 arranged on the side face of one of the sealing plates 8, and a plug groove 22 arranged on the side face of the other sealing plate 8; The lifting structure comprises a vertical slot 12 formed in the L-shaped plate 1, first mounting plates 15 connected to the upper and lower ends of the vertical slot 12 at the rear side of the L-shaped plate 1, a screw rod 17 rotatably connected between the two first mounting plates 15, a first motor 16 mounted on the upper first mounting plate 15, the bottom end of the output shaft of the first motor 16 connected with the screw rod 17, a lifting sleeve 18 sleeved on the screw rod 17, threads formed on the inner wall of the lifting sleeve 18, a lifting plate 13 connected with the lifting sleeve 18, the lifting plate 13 movably penetrating through the vertical slot 12, a placing structure formed at the upper end of the lifting plate 13 above the fixed box 2, and a transmission structure arranged between the lifting sleeve 18 and the two plug plates 9. The transmission structure comprises two horizontal slots 63 formed in the lower part of the rear side of the L-shaped plate 1, moving blocks 64 slidably arranged in the horizontal slots 63, a driving plate 11 connected with the moving blocks 64, a driving slot 20 formed in the driving plate 11, two driving rods 19 connected with the lifting sleeve 18, one end of each driving rod 19 slidably arranged in the driving slot 20, a connecting strip 10 connected to the driving plate 11 at the lower part of one side of the driving plate 11, and one end of the connecting strip 10 connected with one plug plate 9. When the first motor 16 on the first mounting plate 15 is started to drive the screw rod 17 to rotate, the lifting sleeve 18 drives the lifting plate 13 to move downward with the PCVB plate into the etching chamber 5 for etching work. After etching, the first motor 16 drives the screw rod 17 to rotate reversely, and the lifting plate 13 drives the PCVB plate to move upward into the cleaning chamber 6. In this process, the lifting sleeve 18 drives the driving rods 19 to slide in the driving slot 20 of the driving plate 11. Through the extrusion of the driving rods 19 on the slot wall of the driving slot 20, the driving plate 11 is pushed to move. Through the connecting strip 10, the two sealing plates 8 are driven to be tightly inserted together at the middle slot 4, so as to perform the plugging work on the partition plate 3. In this way, the etched PCVB plate can be smoothly cleaned in the cleaning chamber 6, and the wastewater generated after cleaning is discharged through the drain pipe, avoiding the wastewater generated in the cleaning process from directly entering the etching chamber 5. In this way, the PCVB plate can be moved up and down to perform etching and cleaning work, which not only reduces the occupied space of the etching machine, but also improves the work efficiency.

[0018] Referring to Figures 1-4 The spraying etching structure comprises liquid delivery pumps formed in the left and right side walls of the fixed box 2, the liquid delivery pumps communicated with the etching chamber 5, liquid delivery pipes 23 connected with the liquid delivery pumps at the liquid outlet ends of the liquid delivery pumps, and first spray heads 24 mounted on the liquid delivery pipes 23 inserted into the etching chamber 5. The cleaning structure comprises a second mounting plate 36 fastened on the front side of the fixing box 2 by bolts, a water storage tank 31 mounted on the second mounting plate 36, a water feeding pipe 30 connected to the water feeding pump on the top surface of the water storage tank 31, an inner plate 25 arranged in the middle of the cleaning chamber 6, a circular groove 26 formed in the middle of the inner plate 25, a hollow fixing frame 27 fixedly mounted on the groove wall of the circular groove 26, one end of the water feeding pipe 30 communicated with the fixing frame 27, a rotating ring 28 rotatably mounted on the inner wall of the fixing frame 27, and a plurality of second nozzles 29 mounted on the inner wall of the rotating ring 28. The driving structure comprises a mounting sleeve 32 fixedly arranged on the inner wall of the cleaning chamber 6, a motor box 33 fixedly mounted in the mounting sleeve 32, a first gear 34 fixedly sleeved on the bottom end of a second motor output shaft in the motor box 33, a tooth ring 35 fixedly sleeved on the top end of the rotating ring 28, and the first gear 34 meshingly connected with the teeth of the tooth ring 35. When etching in the etching chamber 5, the PCVB board can be immersed in the etching liquid in the etching chamber 5 for immersion etching, and the etching liquid in the etching chamber 5 can also be delivered to the first nozzle 24 by the liquid feeding pump, sprayed from the first nozzle 24 to the PCVB board, and used for spray etching, so as to improve the etching quality. When the PCVB board is moved to the cleaning chamber 6, the water in the water storage tank 31 is sent to the second nozzle 29 by starting the water feeding pump, and the PCVB board is sprayed and cleaned by the second nozzle 29. The rotating ring 28 and the second nozzle 29 can also be driven to rotate as a whole by starting the second motor in the motor box 33 through the first gear 34 and the tooth ring 35, so that the PCVB board is sprayed and cleaned at each position, and the PCVB board is cleaned more thoroughly.

[0019] Referring to Figures 4-8 The placing structure comprises a vertical rod 14 fixedly penetrating through one end of the lifting plate 13, a bottom cylinder 37 mounted on the bottom end of the vertical rod 14, a plurality of placing plates 38 arranged on the bottom cylinder 37 through the alternate flipping structure, a placing groove 39 formed in the side face away from the bottom cylinder 37 of each placing plate 38, and the alternate clamping structure arranged on the placing plate 38. The alternate clamping structure comprises a plurality of first penetrating strips 40 movably penetrating through the upper and lower side faces of the placing plate 38, a first clamping block 41 arranged on one end of each first penetrating strip 40 inserted into the placing plate 38, a second penetrating strip 42 movably penetrating through the upper and lower side faces of the placing plate 38, a second clamping block 43 mounted on one end of each second penetrating strip 42 inserted into the placing plate 38, a clamping groove 44 formed in each first clamping block 41 and second clamping block 43, and each group of a plurality of first clamping blocks 41 and second clamping blocks 43 arranged in the horizontal direction and spaced apart from each other. The automatic switching structure is arranged on the placing plate 38. The automatic switching structure comprises mounting blocks 49 connected on the upper and lower sides of the placing plate 38, mounting cylinders 52 mounted on the mounting blocks 49, electric telescopic rods arranged in the mounting cylinders 52, driving blocks 50 connected with the output shafts of the electric telescopic rods, through rods 51 fixed on the driving blocks 50, first horizontal plates 45 connected with one ends of each group of first through strips 40, first switching grooves 46 formed in the first horizontal plates 45, second horizontal plates 47 connected with one ends of each group of second through strips 42, and second switching grooves 48 formed in the second horizontal plates 47, wherein the through rods 51 are respectively inserted into the first switching grooves 46 and the second switching grooves 48 at two ends of the through rods 51. The alternate overturning structure comprises a plurality of through grooves 53 formed in the side surface of the bottom cylinder 37, wherein each through groove 53 corresponds to the position of the placing plate 38, inner blocks 55 arranged on the inner wall of the bottom cylinder 37 at both sides of each through groove 53, fixed strips 56 connected with each inner block 55, two overturning shafts 57 rotatably arranged at one end of each group of two fixed strips 56, two overturning strips 54 sleeved on each overturning shaft 57, the overturning strips 54 connected with the placing plate 38 at one end of the overturning strips 54, the second gear 58 fixedly sleeved on the overturning shaft 57 at the middle of the overturning shaft 57, an inner groove formed in the inner bottom end of the vertical rod 14, a gas cylinder 62 arranged in the inner groove, a lifting block 60 arranged on the inner bottom end of the bottom cylinder 37 and inserted into the output shaft of the gas cylinder 62, a plurality of first L-shaped strips 59 and second L-shaped strips 61 respectively connected with the side surface of the lifting block 60, the first L-shaped strips 59 and the second L-shaped strips 61 arranged at intervals, and the teeth on the first L-shaped strips 59 and the second L-shaped strips 61 meshed with the corresponding second gear 58. Firstly, the PCVB plate with etching is inserted into the placing groove 39, and the PCVB plate is clamped between the first clamping blocks 41, then when the bottom cylinder 37 drives the PCVB plate to move into the etching chamber 5 or the cleaning chamber 6, the gas cylinder 62 is started to drive the lifting block 60 to move up and down, the lifting block 60 drives the first L-shaped strips 59 and the second L-shaped strips 61 to move up and down, the second gear 58 drives the placing plate 38 to alternately swing up and down, so that the PCVB plate is fully contacted with the etching solution or cleaning water, to complete the etching and cleaning work, to avoid the mutual shielding between the PCVB plates, and to reduce the etching or cleaning quality. At the same time, the electric telescopic rod in the mounting cylinder 52 is started to drive the through rod 51 in the driving block 50 to move away from the mounting block 49, when the driving block 50 moves, the one end of the through rod 51 first presses the groove wall of the second switching groove 48 on the second horizontal plate 47, to drive the second clamping block 43 at one end of the second through strip 42 to move towards the placing plate 38, the second clamping block 43 is clamped on the placing plate 38 to the PCVB plate, with the continuous movement of the driving block 50, the other end of the through rod 51 presses the groove wall of the first switching groove 46, to drive the first clamping block 41 at one end of the first through strip 40 to move away from the PCVB plate, to realize the alternate clamping work on different positions of the PCVB plate, to better expose the PCVB plate for etching and cleaning work.

[0020] The implementation principle of the etching machine for the PCVB plate is as follows: firstly, the PCVB plate to be etched is inserted into the placing groove 39 and clamped between the first clamping blocks 41, then the first motor 16 on the first mounting plate 15 is started to drive the screw rod 17 to rotate, the lifting sleeve 18 and the PCVB plate on the lifting plate 13 are lowered into the etching chamber 5, the PCVB plate is immersed into the etching liquid in the etching chamber 5, in the etching process, the cylinder 62 is started to drive the lifting block 60 to move up and down, the first L-shaped strip 59 and the second L-shaped strip 61 are driven by the lifting block 60 to move up and down, the placing plate 38 is driven by the second gear 58 to swing up and down alternately, so that the PCVB plate is fully contacted with the etching liquid to perform complete etching work, and the problem of reducing the etching quality caused by the mutual shielding between the PCVB plates is avoided, at the same time, the electric telescopic rod in the mounting cylinder 52 is started to drive the driving block 50 to move away from the mounting block 49 along the penetrating rod 51, when the driving block 50 moves, the one end of the penetrating rod 51 is first pressed against the groove wall of the second switching groove 48 on the second horizontal plate 47 to drive the second clamping block 43 at one end of the second penetrating strip 42 to move into the placing plate 38, the second clamping block 43 is clamped on the PCVB plate on the placing plate 38, with the continuous movement of the driving block 50, the other end of the penetrating rod 51 is pressed against the groove wall of the first switching groove 46, so as to drive the first clamping block 41 to move away from the PCVB plate, so as to realize the alternate clamping work on different positions of the PCVB plate, so as to better expose the PCVB plate for etching work, after etching, the lifting plate 13 drives the PCVB plate to move up to the cleaning chamber 6, in this process, the lifting sleeve 18 drives the driving rod 19 to slide in the driving groove 20 of the driving plate 11, the driving rod 19 is pressed against the groove wall of the driving groove 20 to drive the driving plate 11 to move, the two sealing plates 8 are driven by the connecting strip 10 to be inserted tightly together at the middle groove 4, so as to be sealed on the partition plate 3, finally, the water pump is started to send the water in the water storage tank 31 to the second spray head 29, the second spray head 29 sprays the PCVB plate, the second motor in the motor box 33 is also started to drive the rotating ring 28 and the second spray head 29 to rotate as a whole through the first gear 34 and the gear ring 35, so as to spray and clean each position of the PCVB plate, the sewage is directly discharged through the sewage pipe, after cleaning is completed, the PCVB plate is removed from the fixing box 2, so that the etching work of the PCVB plate is completed.

[0021] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. An etching machine for PCVB boards, comprising an L-shaped board (1) and a fixing box (2), characterized in that: A fixed box (2) is provided on the L-shaped plate (1). A partition (3) is provided in the middle of the fixed box (2). A cleaning chamber (6) is provided above the partition (3) in the fixed box (2). A drain pipe is provided on the fixed box (2) to connect to the cleaning chamber (6). A cleaning structure is provided in the cleaning chamber (6). An etching chamber (5) is provided below the partition (3) in the fixed box (2). The etching chamber (5) is filled with etching liquid. A spray etching structure is provided in the etching chamber (5). A sealing structure is provided on the partition (3). A lifting structure is provided on the front side of the L-shaped plate (1). The sealing structure includes a sealing groove (7) opened in the middle of the left and right sides of the fixed box (2), a middle groove (4) opened in the middle of the partition (3), a sealing plate (8) moving through the wall of the sealing groove (7), the sealing plate (8) moving into the middle groove (4), and insert plates (9) installed on the side of the two sealing plates (8) that are far apart from each other. A sealing strip (21) is provided on one side of one sealing plate (8), and a slot (22) is opened on one side of the other sealing plate (8). The lifting structure includes a vertical groove (12) on an L-shaped plate (1). The rear side of the L-shaped plate (1) is connected to the upper and lower ends of the vertical groove (12) with first mounting plates (15). A screw (17) is rotatably connected between the two first mounting plates (15). A first motor (16) is installed on the upper first mounting plate (15). The bottom end of the output shaft of the first motor (16) is connected to the screw (17). A lifting sleeve (18) is sleeved on the screw (17). The inner wall of the lifting sleeve (18) is threaded. A lifting plate (13) is connected to the lifting sleeve (18). The lifting plate (13) moves through the vertical groove (12). A placement structure is provided at one end of the lifting plate (13) above the fixed box (2). A transmission structure is provided between the lifting sleeve (18) and the two insert plates (9).

2. The etching machine for a PCVB board according to claim 1, characterized in that: The transmission structure includes two transverse grooves (63) located below the rear side of the L-shaped plate (1). A moving block (64) is slidably disposed at both ends of the transverse groove (63). A driving plate (11) is connected to the moving block (64). A driving groove (20) is opened on the driving plate (11). Two driving rods (19) are connected to the lifting sleeve (18). One end of the driving rod (19) is slidably disposed in the driving groove (20). A connecting strip (10) is connected to the lower side of one side of the driving plate (11). One end of the connecting strip (10) is connected to the insert plate (9).

3. The etching machine for a PCVB board according to claim 1, characterized in that: The spray etching structure includes a liquid delivery pump located on the lower left and right sides of the fixed box (2). The liquid delivery pump is connected to the etching chamber (5). The liquid delivery pump outlet is connected to a liquid delivery pipe (23). The liquid delivery pipe (23) is inserted into the etching chamber (5) and a first nozzle (24) is installed at one end.

4. The etching machine for a PCVB board according to claim 1, characterized in that: The cleaning structure includes a second mounting plate (36) fastened to the front side of the fixed box (2) by bolts. A water storage tank (31) is installed on the second mounting plate (36). A water supply pipe (30) is connected to a water pump on the water storage tank (31). An inner plate (25) is set in the middle of the cleaning chamber (6). A circular groove (26) is opened in the middle of the inner plate (25). A hollow fixed frame (27) is fixedly installed on the wall of the circular groove (26). One end of the water supply pipe (30) is connected to the fixed frame (27). A rotating ring (28) is rotatably installed on the inner wall of the fixed frame (27). Multiple second nozzles (29) are installed on the inner wall of the rotating ring (28). A driving structure is set on the fixed frame (27).

5. The etching machine for a PCVB board according to claim 4, characterized in that: The drive structure includes a mounting sleeve (32) fixedly installed on the inner wall of the cleaning chamber (6), a motor housing (33) fixedly installed in the mounting sleeve (32), a first gear (34) fixedly mounted on the bottom end of the output shaft of the second motor in the motor housing (33), and a gear ring (35) fixedly mounted on the top end of the rotating ring (28). The teeth of the first gear (34) and the gear ring (35) are meshed and connected.

6. The etching machine for a PCVB board according to claim 1, characterized in that: The placement structure includes a vertical rod (14) fixed through one end of the lifting plate (13), a bottom cylinder (37) is installed at the bottom end of the vertical rod (14), and multiple placement plates (38) are arranged on the bottom cylinder (37) by an alternating flipping structure. Placement grooves (39) are opened on the side of the placement plate (38) away from the bottom cylinder (37), and an alternating clamping structure is provided on the placement plate (38).

7. An etching machine for a PCVB board according to claim 6, characterized in that: The alternating clamping structure includes multiple first through strips (40) that move through the upper and lower sides of the placement plate (38). Each first through strip (40) has a first clamping block (41) at one end inserted into the placement plate (38). Second through strips (42) move through the upper and lower sides of the placement plate (38). Each second through strip (42) has a second clamping block (43) at one end inserted into the placement plate (38). The first clamping block (41) and the second clamping block (43) are provided with clamping grooves (44). Multiple first clamping blocks (41) and second clamping blocks (43) in each group are arranged at intervals in the horizontal direction. An automatic switching structure is provided on the placement plate (38).

8. The etching machine for a PCVB board according to claim 7, characterized in that: The automatic switching structure includes mounting blocks (49) connected to the upper and lower sides of the placement plate (38). Mounting cylinders (52) are mounted on the mounting blocks (49). An electric telescopic rod is installed inside the mounting cylinders (52). One end of the output shaft of the electric telescopic rod is connected to a drive block (50). A through rod (51) is fixedly passed through the drive block (50). One end of each set of first through rods (40) is connected to a first horizontal plate (45). A first switching groove (46) is opened on the first horizontal plate (45). One end of each set of second through rods (42) is connected to a second horizontal plate (47). A second switching groove (48) is opened on the second horizontal plate (47). The two ends of the through rod (51) are respectively inserted into the first switching groove (46) and the second switching groove (48).

9. An etching machine for a PCVB board according to claim 7, characterized in that: The alternating flipping structure includes multiple through slots (53) formed on the side of the bottom cylinder (37). Each through slot (53) is positioned corresponding to the placement plate (38). The inner wall of the bottom cylinder (37) is provided with inner blocks (55) on both sides of each through slot (53). Each inner block (55) is connected to a fixing strip (56). One end of each pair of fixing strips (56) rotates through a flipping shaft (57). Each flipping shaft (57) is fitted with two flipping strips (54). One end of each flipping strip (54) protrudes from the through slot (53) and is connected to the placement plate (38). A second gear (58) is fixedly sleeved at the middle of the flipping shaft (57). An inner groove is opened at the bottom of the vertical rod (14). A cylinder (62) is set in the inner groove. The output shaft of the cylinder (62) is inserted into the bottom of the bottom cylinder (37) and a lifting block (60) is set on the bottom. Multiple first L-shaped bars (59) and second L-shaped bars (61) are respectively connected to the side of the lifting block (60). The first L-shaped bars (59) and second L-shaped bars (61) are spaced apart from each other. The teeth on the first L-shaped bars (59) and second L-shaped bars (61) are meshed with the corresponding second gear (58).

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