Circuit board etching and tin stripping equipment

By designing circuit board etching and tin removal equipment driven by the spraying mechanism and motor, uniform spraying of tin removal water and uniform contact between circuit board and tin removal water are achieved, and the time extension caused by uneven tin removal process in the prior art is solved. The problem improves the consistency between work efficiency and tin removal effect.

CN222283609UActive Publication Date: 2024-12-31SHENZHEN SIMTE TECH DEV CO LTD
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Patent Information

Application Number
CN202420350646.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-26
Publication Date
2024-12-31
Estimated Expiration
2034-02-26

AI Technical Summary

Technical Problem

The existing circuit board tin removal device cannot achieve uniform spraying of tin removal water, resulting in a longer processing time and reduced working efficiency.

Method used

A circuit board etching and tin removal device including a spraying mechanism is designed. The threaded rod and the moving nozzle of the moving block are driven by the first motor to achieve uniform spraying of the tin removal water, and the filter plate is driven by the second motor to shake up and down to ensure the circuit. The uniform contact between the plate and the anti-tin water ensures uniform removal of solder.

Benefits of technology

It reduces the time of the entire processing process, improves work efficiency, and ensures the consistency of the tin removal effect, so that the solder on the entire circuit board is evenly removed.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses circuit board etching tin stripping equipment, which relates to the technical field of circuit board processing and comprises a mounting shell, connecting plates are fixedly connected to the left side and the right side of the top of the mounting shell, square holes are formed in the left side and the right side of the inner wall of the mounting shell, and the circuit board etching tin stripping equipment further comprises a spraying mechanism, the spraying mechanism comprises a connecting shell fixedly connected to the bottom of the connecting plate, the rear ends of the left side and the right side of the inner wall of the connecting shell sleeve and are fixedly connected to a fixing rod, the front ends of the left side and the right side of the inner wall of the connecting shell sleeve and are in threaded connection with threaded rods, and a first motor rotates and drives the threaded rods to rotate; the threaded rod drives the movable block to move on the outer wall of the fixed rod, the movable block drives the spray head, the water conveying pipe and the folding pipe to move, tin stripping water is conveyed into the spray head through the water conveying pipe to be sprayed, the first motor rotates forwards and backwards and drives the spray head to move left and right to evenly spray water, the time of the whole treatment process is shortened, and the working efficiency is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of circuit board processing, and particularly relates to a circuit board etching and tin stripping device. Background Art

[0002] The application publication number of the related technology is CN218277343U, which discloses a circuit board detinning device. The device is equipped with an electric push rod and a carrying plate, which can realize the lifting and lowering of the carrying plate and the circuit board, thereby increasing the convenience of workers when taking out the circuit boards and preventing the workers from being contaminated with a large amount of tin. At the same time, partitions are provided to form separate chambers to isolate each group of circuit boards, avoid circuit board accumulation, and improve the detinning effect.

[0003] This device has the effect of improving tin stripping, but when the device is in use, the tin stripping water cannot be evenly sprayed on the circuit board. The purpose of evenly spraying the tin stripping water on the circuit board is mainly to improve work efficiency, protect the circuit board and environmental safety. Since tin stripping and cleaning take time, if the spraying cannot be evenly performed, the time of the entire processing process will be prolonged and work efficiency will be reduced. Utility Model Content

[0004] The utility model aims to provide a spraying mechanism, which solves the problem that the time required for tin stripping and cleaning cannot be uniformly sprayed, which prolongs the time of the entire processing process and reduces work efficiency.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a circuit board etching and tin stripping device, comprising a mounting shell, the top left and right sides of the mounting shell are fixedly connected to a connecting plate, the inner wall left and right sides of the mounting shell are provided with square holes, and also comprises a spraying mechanism, the spraying mechanism comprises a connecting shell fixedly connected to the bottom of the connecting plate, the inner wall left and right rear ends of the connecting shell are sleeved and fixedly connected to a fixing rod, the inner wall left and right front ends of the connecting shell are sleeved and threadedly connected to a threaded rod, the outer wall right side of the connecting shell is fixedly connected to a first supporting plate, the top of the first supporting plate is fixedly connected to a first motor, the output end of the first motor is fixedly connected to the right end of the threaded rod, the outer wall of the threaded rod is sleeved and threadedly connected to a moving block, the inner wall of the right rear end of the moving block is sleeved and slidably connected to the outer wall of the fixing rod, the bottom of the moving block is fixedly connected to a spray head, the top left side of the spray head is connected and fixedly connected to a water pipe, and the top right side of the spray head is connected and fixedly connected to a folding pipe.

[0007] Furthermore, a circulation mechanism is provided at the bottom of the inner wall of the installation shell, and the circulation mechanism includes a storage box sleeved and slidably connected to the bottom of the inner wall of the installation shell, and the inner walls of the two square holes are sleeved and slidably connected with filter screens.

[0008] Furthermore, the left and right sides of the top of the filter screen plate are fixedly connected with vertical plates, the ends of the two vertical plates close to each other are sleeved and fixedly connected with connecting rods, and the ends of the two connecting rods close to each other are fixedly connected with a fixing shell.

[0009] Furthermore, a telescopic rod is sleeved and fixedly connected to the top of the inner wall of the fixed shell, a push plate is fixedly connected to the output end of the telescopic rod, and the storage box is connected to the right side of the outer wall of the installation shell and is fixedly connected to a delivery pipe.

[0010] Furthermore, a water pump is fixedly connected to the right side of the outer wall of the mounting shell, and one end of the delivery pipe away from the storage box passes through the interior of the water pump and extends to the outside, and one end of the delivery pipe away from the storage box is fixedly connected to the top end of the folding tube.

[0011] Furthermore, a second support plate is fixedly connected to the right side of the outer wall of the mounting shell, a second motor is fixedly connected to the top of the second support plate, and rotating rods are sleeved and rotatably connected to the left and right sides of the inner wall of the mounting shell.

[0012] Furthermore, cams are sleeved and fixedly connected to the left and right sides of the outer wall of the rotating rod, the right end of the rotating rod is fixedly connected to the output end of the second motor, and the top of the outer wall of the cam contacts the bottom of the outer wall of the filter screen.

[0013] The utility model has the following beneficial effects:

[0014] 1. The utility model is a circuit board etching and tin stripping device. When the device is used, the first motor rotates, the first motor drives the threaded rod to rotate, the threaded rod drives the moving block to move on the outer wall of the fixed rod, the moving block drives the nozzle, the water pipe and the folding pipe to move, and the tin stripping water is sent into the nozzle through the water pipe to spray water. The first motor rotates forward and reversely, and the first motor drives the nozzle to move left and right to spray water evenly, thereby reducing the time of the entire processing process and improving work efficiency.

[0015] 2. The utility model is a circuit board etching and tin stripping equipment. When the device is used, the circuit board is placed inside a fixed shell, and the push plate is driven by the output of the telescopic rod to clamp the circuit board. At this time, the second motor rotates, and the second motor drives the rotating rod and the cam to rotate. The cam drives the filter screen plate to shake up and down, and the filter screen plate drives the vertical plate and the vertical plate and the connecting rod to shake. The connecting rod drives the fixed shell and the telescopic rod to shake, and the telescopic rod drives the push plate and the circuit board to shake. By shaking up and down, uniform contact between the circuit board and the tin stripping water can be ensured, so that the consistency of the tin stripping effect can be ensured, so that the solder on the entire circuit board can be evenly removed.

[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 This is a schematic diagram of the structure of a circuit board etching and tin stripping device used in the utility model;

[0019] Figure 2 for Figure 1 A schematic diagram of a partial cross-section of a front view;

[0020] Figure 3 This is a schematic diagram of the spraying mechanism structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the circulation mechanism structure of the utility model;

[0022] Figure 5 For this utility model Figure 4 Schematic diagram of the enlarged structure of A.

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 1. Mounting shell; 11. Connecting plate; 12. Square hole; 2. Spraying mechanism; 21. Connecting shell; 22. Fixed rod; 23. Threaded rod; 24. First support plate; 25. First motor; 26. Moving block; 27. Sprinkler; 28. Water pipe; 29. ​​Folding pipe; 3. Circulation mechanism; 31. Storage box; 32. Filter screen; 33. Vertical plate; 34. Connecting rod; 35. Fixed shell; 36. Telescopic rod; 37. Push plate; 38. Delivery pipe; 39. Water pump; 391. Second support plate; 392. Second motor; 393. Rotating rod; 394. Cam. DETAILED DESCRIPTION

[0025] 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 of 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.

[0026] See also Figure 1-5 As shown, the utility model is a circuit board etching and tin stripping device, comprising a mounting shell 1, a connecting plate 11 is fixedly connected to the left and right sides of the top of the mounting shell 1, and a square hole 12 is opened on the left and right sides of the inner wall of the mounting shell 1, and further comprising;

[0027] The spraying mechanism 2 includes a connecting shell 21 fixedly connected to the bottom of the connecting plate 11, the left and right rear ends of the inner wall of the connecting shell 21 are sleeved and fixedly connected to the fixed rod 22, the left and right front ends of the inner wall of the connecting shell 21 are sleeved and threadedly connected with a threaded rod 23, the right side of the outer wall of the connecting shell 21 is fixedly connected with a first support plate 24, the top of the first support plate 24 is fixedly connected with a first motor 25, the output end of the first motor 25 is fixedly connected to the right end of the threaded rod 23, the outer wall of the threaded rod 23 is sleeved and threadedly connected with a moving block 26, the inner wall of the right rear end of the moving block 26 is sleeved and slidably connected with the outer wall of the fixed rod 22, and the bottom of the moving block 26 A nozzle 27 is fixedly connected, and a water pipe 28 is connected and fixedly connected to the left side of the top of the nozzle 27, and a folding tube 29 is connected and fixedly connected to the right side of the top of the nozzle 27. The purpose of this arrangement is to rotate the first motor 25, and the first motor 25 drives the threaded rod 23 to rotate, and the threaded rod 23 drives the moving block 26 to move on the outer wall of the fixed rod 22, and the moving block 26 drives the nozzle 27 and the water pipe 28 and the folding tube 29 to move, and the tin stripping water is sent into the nozzle 27 through the water pipe 28 for spraying. By rotating the first motor 25 forward and backward, the first motor 25 drives the nozzle 27 to move left and right to evenly spray water, thereby reducing the time of the entire processing process and improving work efficiency.

[0028] A circulation mechanism 3 is provided at the bottom of the inner wall of the installation shell 1, and the circulation mechanism 3 includes a storage box 31 which is sleeved and slidably connected to the bottom of the inner wall of the installation shell 1, and the inner walls of the two square holes 12 are sleeved and slidably connected with filter screen plates 32. The purpose of such arrangement is that the filter screen plates 32 are used to filter the reacted tin stripping water.

[0029] The left and right sides of the top of the filter screen plate 32 are fixedly connected with vertical plates 33, and the ends of the two vertical plates 33 close to each other are sleeved and fixedly connected with connecting rods 34, and the ends of the two connecting rods 34 close to each other are fixedly connected with fixed shells 35. The purpose of this arrangement is that the fixed shell 35 is used to limit the placement of the circuit board.

[0030] A telescopic rod 36 is sleeved on the top of the inner wall of the fixed shell 35 and fixedly connected, and a push plate 37 is fixedly connected to the output end of the telescopic rod 36. The storage box 31 is connected to the right side of the outer wall of the mounting shell 1 and a conveying pipe 38 is fixedly connected. The purpose of this arrangement is to place the circuit board inside the fixed shell 35, and the push plate 37 is driven by the output of the telescopic rod 36 to clamp the circuit board.

[0031] A water pump 39 is fixedly connected to the right side of the outer wall of the mounting shell 1, and the end of the delivery pipe 38 away from the storage box 31 passes through the interior of the water pump 39 and extends to the outside, and the end of the delivery pipe 38 away from the storage box 31 is fixedly connected to the top of the folding tube 29. The purpose of this arrangement is to allow the used tin stripping water to fall on the filter screen plate 32 and be filtered by shaking. At this time, the water pump 39 is started to transport the filtered tin stripping water through the water delivery pipe 28 and the folding tube 29 to the inside of the nozzle 27 for recycling.

[0032] A second support plate 391 is fixedly connected to the right side of the outer wall of the mounting shell 1, and a second motor 392 is fixedly connected to the top of the second support plate 391. A rotating rod 393 is sleeved and rotatably connected to the left and right sides of the inner wall of the mounting shell 1. The purpose of this arrangement is to rotate the second motor 392, and the second motor 392 drives the rotating rod 393 and the cam 394 to rotate, and the cam 394 drives the filter plate 32 to shake up and down.

[0033] Cams 394 are sleeved on and fixedly connected to the left and right sides of the outer wall of the rotating rod 393. The right end of the rotating rod 393 is fixedly connected to the output end of the second motor 392. The top of the outer wall of the cam 394 contacts the bottom of the outer wall of the filter screen plate 32. The purpose of this arrangement is to rotate the second motor 392, and the second motor 392 drives the rotating rod 393 and the cam 394 to rotate. The cam 394 drives the filter screen plate 32 to shake up and down. The filter screen plate 32 drives the vertical plate 33 and the vertical plate 33 and the connecting rod 34 to shake. The connecting rod 34 drives the fixed shell 35 and the telescopic rod 36 to shake. The telescopic rod 36 drives the push plate 37 and the circuit board to shake. By shaking up and down, uniform contact between the circuit board and the tin stripping water can be ensured, which can ensure the consistency of the tin stripping effect and enable the solder on the entire circuit board to be evenly removed.

[0034] A specific application of this embodiment is: when the device is used, the first motor 25 rotates, the first motor 25 drives the threaded rod 23 to rotate, the threaded rod 23 drives the moving block 26 to move on the outer wall of the fixed rod 22, the moving block 26 drives the nozzle 27 and the water pipe 28 and the folding tube 29 to move, and the tin stripping water is sent into the nozzle 27 through the water pipe 28 for spraying. By rotating the first motor 25 forward and reverse, the first motor 25 drives the nozzle 27 to move left and right to spray water evenly, thereby reducing the time of the entire processing process and improving work efficiency.

[0035] When using the device, the circuit board is placed inside the fixed shell 35, and the push plate 37 is driven by the output of the telescopic rod 36 to clamp the circuit board. At this time, the second motor 392 rotates, and the second motor 392 drives the rotating rod 393 and the cam 394 to rotate. The cam 394 drives the filter screen plate 32 to shake up and down, and the filter screen plate 32 drives the vertical plate 33 and the vertical plate 33 and the connecting rod 34 to shake. The connecting rod 34 drives the fixed shell 35 and the telescopic rod 36 to shake, and the telescopic rod 36 drives the push plate 37 and the circuit board to shake. By shaking up and down, it can be ensured that there is uniform contact between the circuit board and the tin stripping water, which can ensure the consistency of the tin stripping effect, so that the solder on the entire circuit board can be evenly removed. At this time, the tin stripping water falls on the top of the filter screen plate 32 and is filtered by shaking. At this time, the water pump 39 is started to transport the filtered tin stripping water through the water pipe 28 and the folding pipe 29 to the inside of the nozzle 27 for recycling.

[0036] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0037] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A circuit board etching and tin stripping device, comprising a mounting shell (1), the top left and right sides of the mounting shell (1) are fixedly connected with connecting plates (11), the inner wall left and right sides of the mounting shell (1) are provided with square holes (12), characterized in that: Also includes; A spraying mechanism (2), the spraying mechanism (2) comprising a connecting shell (21) fixedly connected to the bottom of a connecting plate (11), the left and right rear ends of the inner wall of the connecting shell (21) being sleeved and fixedly connected to a fixing rod (22), the left and right front ends of the inner wall of the connecting shell (21) being sleeved and threadedly connected to a threaded rod (23), the right side of the outer wall of the connecting shell (21) being fixedly connected to a first supporting plate (24), the top of the first supporting plate (24) being fixedly connected to a first motor (25), the The output end of the first motor (25) is fixedly connected to the right end of the threaded rod (23); a moving block (26) is sleeved and threadedly connected to the outer wall of the threaded rod (23); the inner wall of the right rear end of the moving block (26) is sleeved and slidably connected to the outer wall of the fixed rod (22); a nozzle (27) is fixedly connected to the bottom of the moving block (26); the left side of the top of the nozzle (27) is connected to and fixedly connected to a water pipe (28); and the right side of the top of the nozzle (27) is connected to and fixedly connected to a folding pipe (29).

2. The circuit board etching and tin stripping device according to claim 1, characterized in that: A circulation mechanism (3) is provided at the bottom of the inner wall of the installation shell (1), and the circulation mechanism (3) comprises a storage box (31) sleeved and slidably connected to the bottom of the inner wall of the installation shell (1), and the inner walls of the two square holes (12) are sleeved and slidably connected with filter screen plates (32).

3. The circuit board etching and tin stripping device according to claim 2, characterized in that: The left and right sides of the top of the filter screen plate (32) are fixedly connected to vertical plates (33), the ends of the two vertical plates (33) close to each other are sleeved with and fixedly connected to connecting rods (34), and the ends of the two connecting rods (34) close to each other are fixedly connected to fixed shells (35).

4. The circuit board etching and tin stripping device according to claim 3, characterized in that: A telescopic rod (36) is sleeved on and fixedly connected to the top of the inner wall of the fixed shell (35), and a push plate (37) is fixedly connected to the output end of the telescopic rod (36). The storage box (31) is connected to the right side of the outer wall of the installation shell (1) and is fixedly connected to a delivery pipe (38).

5. The circuit board etching and tin stripping device according to claim 4, characterized in that: A water pump (39) is fixedly connected to the right side of the outer wall of the mounting shell (1); one end of the delivery pipe (38) away from the storage box (31) passes through the interior of the water pump (39) and extends to the outside; and one end of the delivery pipe (38) away from the storage box (31) is fixedly connected to the top end of the folding tube (29).

6. The circuit board etching and tin stripping device according to claim 5, characterized in that: A second support plate (391) is fixedly connected to the right side of the outer wall of the installation shell (1), a second motor (392) is fixedly connected to the top of the second support plate (391), and a rotating rod (393) is sleeved and rotatably connected to the left and right sides of the inner wall of the installation shell (1).

7. The circuit board etching and tin stripping device according to claim 6, characterized in that: Cams (394) are sleeved and fixedly connected on the left and right sides of the outer wall of the rotating rod (393); the right end of the rotating rod (393) is fixedly connected to the output end of the second motor (392); and the top of the outer wall of the cam (394) is in contact with the bottom of the outer wall of the filter screen plate (32).

Citation Information

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