Micro-etching groove for circuit board

Abstract

The utility model relates to a micro-etching groove for a circuit board, and belongs to the technical field of circuit board manufacturing. The movable electric cylinders are installed on the two sides of the upper surface of the groove body, sliding blocks are arranged on the movable electric cylinders and provided with a door-shaped movable seat, a lifting air cylinder is arranged at the bottom of the upper surface of the door-shaped movable seat, and a circuit board containing frame is arranged on an air cylinder shaft of the lifting air cylinder. The device has the advantages that the distance between the middle partition plates and the height of the L-shaped positioning plates are adjusted, the problem that in the prior art, the distance cannot be adjusted is solved, when feeding and discharging are needed, the circuit board containing frame is moved to the edge of the groove body through the sliding blocks, operation of workers is facilitated, and the working efficiency is improved. During use, the circuit board placing frame is driven by the lifting cylinder to ascend and leave the liquid in the tank body, so that the circuit board can leave the liquid, and the circuit board placing frame is driven by the sliding block to move back and forth, so that the liquid on the circuit board is thrown away, and the problem that the circuit board is provided with the liquid in the prior art is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of micro-etching groove for circuit board, belong to circuit board manufacturing technical field. BACKGROUND

[0002] Micro-etching treatment is an important link of circuit board production, and the micro-etching treatment on the surface of the circuit board is to clean the impurities on the surface, remove the oil stains, and at the same time, form a certain roughness on the surface, so as to increase the bonding force between the circuit board surface and the materials in the next process.

[0003] In the prior art, in order to micro-etch the circuit board, the industry has developed corresponding technologies, such as the Chinese authorized utility model patent with the patent name of "Micro-etching groove for improving micro-etching uniformity" with the authorization announcement number of CN 218526527 U. In the above patent, the placing rack is arranged to drive each separated circuit copper-clad plate in the placing net to overturn in the chemical solution, so that both surfaces of the circuit copper-clad plate can be fully and uniformly etched, and the effect is better. At the same time, the rotation of the placing rack can detach the placing net, which is convenient for the overall unloading of the multiple circuit copper-clad plates in the groove.

[0004] However, the above patent has the following problems when in use:

[0005] In the above patent, if the user needs to place and take the circuit board, the user needs to reach the middle position above the micro-etching groove to touch the circuit board, because there is still a distance between the circuit board and the edge of the micro-etching groove at this time, which causes inconvenience to the user when in use.

[0006] In the prior art, if the circuit board is micro-etched, when the user needs to take the circuit board, the lower part of the existing circuit board is still soaked in the chemical solution, and when the circuit board is taken out, the circuit board is still stained with the chemical solution, which not only causes the amount of chemical solution in the micro-etching groove to become less and less, but also causes the chemical solution to spill outside the micro-etching groove, which not only causes unnecessary loss to the user, but also harms the operator.

[0007] 3. The separating net in the above patent is fixedly arranged, and the distance between the separating nets is constant, which causes the existing device to be able to only fix the circuit board with a certain size, and causes the existing device to have poor adaptability and cannot meet the requirements of actual use. SUMMARY

[0008] The technical problem to be solved by the utility model is to provide a micro-etching groove for printed circuit board to solve the problems in the industry.

[0009] In order to solve the above technical problems, the utility model is through the following technical schemes realizes: a kind of micro-etching groove for circuit board, for the micro-etching of circuit board, including tank body, mobile electric cylinder is installed on the upper surface both sides of the tank body, sliding block is provided on the mobile electric cylinder, door type moving seat is provided on the sliding block, lifting cylinder is provided on the bottom of the door type moving seat upper surface, circuit board placing frame is provided on the cylinder shaft of the lifting cylinder, a plurality of intermediate partition plates are provided on the circuit board placing frame, a plurality of top positioning structures are provided on the top of the circuit board placing frame.

[0010] As preferred, the inside of the circuit board placing frame is hollow and rectangular structure, the front of the circuit board placing frame is provided with a rectangular groove, the top of the rectangular groove is provided with a rectangular through hole, the rectangular through hole penetrates from the upper surface of the circuit board placing frame to the inside, the upper and lower ends of the side of the circuit board placing frame are respectively provided with a U-shaped groove, the U-shaped groove penetrates from one side of the circuit board placing frame to the other side.

[0011] As preferred, the top of the circuit board placing frame is further provided with an L-shaped connecting plate, the L-shaped connecting plate is provided with a cylinder connecting hole, the cylinder shaft of the lifting cylinder is inserted into the cylinder connecting hole.

[0012] As preferred, the intermediate partition plate comprises a partition plate body, U-shaped seats are respectively provided on the upper and lower sides of the partition plate body, the U-shaped seats are inserted into the U-shaped grooves, a side edge positioning plate is provided on the right side edge of the partition plate body, a plurality of pressing plate connecting screw holes are provided on the side edge positioning plate, pressing plates are provided on the pressing plate connecting screw holes, a plurality of fixing screw holes are provided on the left side of the partition plate body, fixing bolts are provided in the fixing screw holes.

[0013] As preferred, the pressing plate comprises a pressing plate body, a pressing plate through hole is provided on the pressing plate, a moving boss is provided on the side of the pressing plate through hole.

[0014] As preferred, the top positioning structure is an L-shaped positioning plate, a positioning screw is provided on the top of the L-shaped positioning plate, a plurality of fixed nuts are provided on the positioning screw.

[0015] As preferred, a plurality of drainage holes are provided on the bottom of the rectangular groove.

[0016] Compared with the prior art, the utility model has the advantages that: when using, the distance between the middle partition plates and the height of the L-shaped positioning plate are adjusted according to the actual size of the circuit board, so that the mounting space suitable for the size of the circuit board is formed, the problem that the distance cannot be adjusted in the prior art is solved, when feeding or discharging is needed, the circuit board placing frame is moved to the edge of the groove through the sliding block, so that the operator is facilitated to operate, the problem that feeding or discharging is inconvenient in the prior art is solved, when using, the circuit board placing frame is lifted and separated from the liquid in the groove through the lifting cylinder, so that the circuit board is separated from the liquid, and the circuit board placing frame is moved forward and backward through the sliding block, so that the liquid on the circuit board is shaken off, the problem that the circuit board has the liquid in the prior art not only causes unnecessary loss to the user, but also harms the operator. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model is further explained below in combination with the drawings.

[0018] Figure 1 It is the structure schematic diagram of the utility model.

[0019] Figure 2 It is the structure schematic diagram of the circuit board installation in the circuit board placing frame.

[0020] Figure 3 It is Figure 2 The structure schematic diagram of the utility model without installing the circuit board.

[0021] Figure 4 It is Figure 3 The rear view of the utility model.

[0022] Figure 5 It is the structure schematic diagram of the circuit board placing frame.

[0023] Figure 6 It is Figure 5 The rear view of the utility model.

[0024] Figure 7 It is the structure schematic diagram of the middle partition plate.

[0025] Figure 8 It is Figure 7 The structure schematic diagram of the utility model after removing the fixed bolt.

[0026] Figure 9 It is Figure 8 The rear view of the utility model.

[0027] Figure 10 It is the structure schematic diagram of the pressing plate.

[0028] Figure 11 It is the structure schematic diagram of the top positioning structure.

[0029] Figure 12 is the structure diagram when the utility model feeds or discharges.

[0030] In the drawing: 1, circuit board; 2, groove body; 3, mobile electric cylinder; 301, sliding block; 4, door type mobile seat; 5, lifting cylinder; 6, circuit board placing frame; 601, rectangular recess; 602, rectangular through hole; 603, U-shaped recess; 604, L-shaped connecting plate; 605, cylinder connecting hole; 606, drain hole; 7, middle partition plate; 701, partition plate body; 702, U-shaped seat; 703, side positioning plate; 704, pressing plate connecting threaded hole; 705, fixed threaded hole; 706, fixed bolt; 8, top positioning structure; 801, L-shaped positioning plate; 802, positioning screw; 803, fixed nut; 9, pressing plate; 901, pressing plate body; 902, pressing plate through hole; 903, moving boss. DETAILED DESCRIPTION

[0031] The utility model will be described in detail below in combination with the drawings and specific embodiments:

[0032] As Figures 1 to 12 shown, a kind of for circuit board's microetching groove, for the microetching of circuit board 1, including groove body 2, mobile electric cylinder 3 of installation in the both sides of the groove body 2 upper surface, sliding block 301 is provided on the mobile electric cylinder 3, door type mobile seat 4 is provided on the sliding block 301, lifting cylinder 5 is provided on the bottom of the door type mobile seat 4 upper surface, circuit board placing frame 6 is provided on the cylinder shaft of the lifting cylinder 5, multiple middle partition plates 7 are provided on the circuit board placing frame 6, multiple top positioning structures 8 are provided on the top of the circuit board placing frame 6.

[0033] As Figure 5 And Figure 6 As shown, the inside of the circuit board placing frame 6 is hollow and rectangular structure, the front of the circuit board placing frame 6 is provided with rectangular recess 601, the top of the rectangular recess 601 is provided with rectangular through hole 602, the rectangular through hole 602 is from the upper surface of the circuit board placing frame 6 through to inside, the upper and lower ends of the side of the circuit board placing frame 6 are respectively provided with U-shaped recess 603, the U-shaped recess 603 is from one side of the circuit board placing frame 6 through to the other side.

[0034] In order to be connected with lifting cylinder 5, further, L-shaped connecting plate 604 is also provided on the top of the circuit board placing frame 6, cylinder connecting hole 605 is provided on the L-shaped connecting plate 604, the cylinder shaft of the lifting cylinder 5 is inserted into the cylinder connecting hole 605.

[0035] As Figures 7-9As shown, in order to separate the circuit board 1 and facilitate fixation, the middle partition 7 further includes a partition body 701, and U-shaped seats 702 are respectively provided on the upper and lower sides of the partition body 701, and the U-shaped seat 702 is inserted into the U-shaped groove 603. The right side of the partition body 701 is provided with a side positioning plate 703, and the side positioning plate 703 is provided with a plurality of pressure plate connecting threaded holes 704, and the pressure plate connecting threaded holes 704 are provided with a pressure plate 9, and the left side of the partition body 701 is provided with a plurality of fixing threaded holes 705, and the fixing threaded holes 705 are provided with fixing bolts 706.

[0036] like Figure 10 As shown, in order to press the circuit board 1 , the pressing plate 9 further includes a pressing plate body 901 , a pressing plate through hole 902 is provided on the pressing plate body 901 , and a movable boss 903 is provided on the side of the pressing plate through hole 902 .

[0037] like Figure 11 As shown, in order to position in the height direction, the top positioning structure 8 further includes an L-shaped positioning plate 801, and a positioning screw 802 is provided on the top of the L-shaped positioning plate 801. A plurality of fixing nuts 803 are provided on the positioning screw 802. By moving the positioning screw 802, the height of the L-shaped positioning plate 801 can be adjusted.

[0038] like Figure 5 As shown, in order to drain the medicinal solution completely, a plurality of drainage holes 606 are further provided at the bottom of the rectangular groove 601 .

[0039] During use, multiple intermediate partitions 7 are inserted into the U-shaped groove 603 of the circuit board placement frame 6 through the U-shaped seat 702, and the intermediate partitions 7 are moved along the circuit board placement frame 6. The distance between the intermediate partitions 7 is adjusted according to the size of the circuit board to be micro-etched. After the distance between the intermediate partitions 7 is adjusted, the fixing bolts 706 are engaged with the fixing threaded holes 705, and the fixing bolts 706 are pushed against the circuit board placement frame 6, so that the intermediate partitions 7 are fixed to the circuit board placement frame 6 by the fixing bolts 706 to achieve the fixation of the intermediate partitions 7.

[0040] When the intermediate partition plate 7 is fixed, the positioning of the circuit board to be etched in the width direction is solved, then the positioning screw rod 802 of the top positioning structure 8 is inserted into the rectangular through hole 602, the fixing nuts 803 are engaged on the positioning screw rod 802, the fixing nuts 803 are respectively placed on the upper surface and the lower surface of the circuit board placing frame 6, the height of the circuit board to be etched is adjusted by the fixing nuts 803, and the positioning screw rod 802 is fixed in the rectangular through hole 602 by the fixing nuts 803.

[0041] By the above method, the positions of the L-shaped positioning plate 801 and the intermediate partition plate 7 are adjusted, so that the L-shaped positioning plate 801, the intermediate partition plate 7 and the circuit board placing frame 6 form spaces suitable for installing the circuit board 1, the circuit board 1 to be etched is placed in the space, then the pressing plate 9 is rotated, and the circuit board 1 is fixed by the pressing plate 9.

[0042] Then the slider 301 is started to drive the circuit board placing frame 6 on which the circuit board 1 is installed to move forward and backward, and the circuit board placing frame 6 is moved to the set position, and the lifting cylinder 5 is started to drive the circuit board placing frame 6 to move up and down, and the circuit board 1 is placed in the chemical solution in the groove 2 to be etched.

[0043] When the etching is completed, the lifting cylinder 5 is started to drive the circuit board placing frame 6 on which the circuit board 1 is installed to rise from the chemical solution and move away from the chemical solution, and to rise to the set position, and the slider 301 is started to move forward and backward along the moving cylinder 3, at this time, the chemical solution adhered to the circuit board placing frame 6 and the circuit board 1 is shaken off into the groove 2 in the moving process, so as to prevent the chemical solution of the subsequent circuit board 1 from being contacted by the staff.

[0044] When the chemical solution on the circuit board 1 is shaken off, the slider 301 is started again to drive the circuit board placing frame 6 and the circuit board 1 to move to the edge of the groove 2, so as to facilitate the staff to carry out feeding and discharging.

[0045] In summary, according to the actual size of the circuit board 1, the distance between the intermediate partition plates 7 and the height of the L-shaped positioning plate 801 are adjusted respectively during use, so that the mounting space suitable for the size of the circuit board can be formed, the problem that the distance cannot be adjusted in the prior art is solved, when feeding and discharging are needed, the circuit board placing frame 6 is moved to the edge of the groove body 2 through the sliding block 301, so as to facilitate the operation of the staff, the problem that feeding and discharging are inconvenient in the prior art is solved, and when in use, the circuit board placing frame 6 is lifted and separated from the liquid in the groove body 2 through the lifting cylinder 5, so that the circuit board 1 can be separated from the liquid, and the circuit board placing frame 6 is moved forward and backward through the sliding block 301, so that the liquid on the circuit board 1 is shaken off, and the problem that the circuit board 1 has liquid in the prior art not only causes unnecessary loss to the user, but also harms the operator.

[0046] It should be emphasized that: the above is only a preferred embodiment of the present application, and does not limit the present application in any form, any simple modification, equivalent change and modification of the above embodiment according to the technical essence of the present application still belongs to the scope of the technical scheme of the present application.

Claims

1. A micro-etching tank for a circuit board, for micro-etching of a circuit board (1), characterized in that: Including the groove (2), the moving electric cylinder (3) is installed on both sides of the upper surface of the groove (2), the sliding block (301) is arranged on the moving electric cylinder (3), the door type moving seat (4) is arranged on the sliding block (301), the lifting cylinder (5) is arranged on the bottom of the upper surface of the door type moving seat (4), the circuit board placing frame (6) is arranged on the cylinder shaft of the lifting cylinder (5), a plurality of intermediate partition plates (7) are arranged on the circuit board placing frame (6), and a plurality of top positioning structures (8) are arranged on the top of the circuit board placing frame (6).

2. The micro-etching tank for a circuit board according to claim 1, wherein: The circuit board placing frame (6) is hollow and in a rectangular structure, the front surface of the circuit board placing frame (6) is provided with a rectangular groove (601), the top of the rectangular groove (601) is provided with a rectangular through hole (602), the rectangular through hole (602) penetrates from the upper surface of the circuit board placing frame (6) to the inside, and the upper and lower ends of the side edges of the circuit board placing frame (6) are respectively provided with U-shaped grooves (603) which penetrate from one side of the circuit board placing frame (6) to the other side.

3. The micro-etching tank for a circuit board according to claim 2, wherein: The top of the circuit board placing frame (6) is also provided with an L-shaped connecting plate (604), the L-shaped connecting plate (604) is provided with a cylinder connecting hole (605), and the cylinder shaft of the lifting cylinder (5) is inserted into the cylinder connecting hole (605).

4. The micro-etch tank for a circuit board according to claim 2, characterized by: The intermediate partition plate (7) comprises a partition plate body (701), U-shaped seats (702) are arranged on the upper and lower sides of the partition plate body (701) respectively, the U-shaped seats (702) are inserted into the U-shaped grooves (603), a side edge positioning plate (703) is arranged on the right side edge of the partition plate body (701), a plurality of pressing plate connecting threaded holes (704) are arranged on the side edge positioning plate (703), pressing plates (9) are arranged on the pressing plate connecting threaded holes (704), a plurality of fixing threaded holes (705) are arranged on the left side of the partition plate body (701), and fixing bolts (706) are arranged in the fixing threaded holes (705).

5. The micro-etching tank for a circuit board according to claim 4, wherein: The pressing plate (9) comprises a pressing plate body (901), a pressing plate through hole (902) is arranged on the pressing plate body (901), and a moving boss (903) is arranged on the side edge of the pressing plate through hole (902).

6. The micro-etch tank for a circuit board according to claim 1, wherein: The top positioning structure (8) comprises an L-shaped positioning plate (801), a positioning screw rod (802) is arranged on the top of the L-shaped positioning plate (801), and a plurality of fixing nuts (803) are arranged on the positioning screw rod (802).

7. The micro-etch tank for a circuit board according to claim 2, characterized by: A plurality of drainage holes (606) are arranged on the bottom of the rectangular groove (601).

Images