Circuit board tin stripping treatment device

Abstract

The utility model provides a circuit board tin stripping treatment device which comprises a box body, a placement assembly is arranged in the box body, a liquid supply mechanism is arranged in the placement assembly, a tin stripping assembly is arranged at the bottom of the liquid supply mechanism, a liquid storage assembly for storing tin stripping water is arranged at the bottom of the box body, and a circuit board to be treated is arranged on the side face of the placement assembly. And the tin stripping assembly comprises a mounting plate, a position adjusting electric rod, a limiting plate and a tin stripping box, and the mounting plate is arranged on the A side in the box body. According to the utility model, through the obliquely arranged placing assembly and the tin stripping box, when tin stripping is carried out on the circuit board on the placing wheel, tin stripping water can flow down from the circuit board, and meanwhile, the tin stripping water can vertically and continuously flow downwards on the surface of the circuit board to carry out tin stripping in cooperation with the liquid outlet obliquely formed in the side surface of the tin stripping box; and the tin stripping water can be ensured to be in uniform and uninterrupted contact with the circuit board on the side surface of the tin stripping box after flowing out of the side surface of the tin stripping box, so that the tin stripping effect of the device on the circuit board is ensured.

Description

Technical Field

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

[0002] Circuit boards are one of the most important electronic components in the electronics industry and are also the carriers of electrical connections for electronic components. They miniaturize and visualize circuits and play an important role in the mass production of fixed circuits and the optimization of electrical appliance layout. There are often multiple processing steps in the production of circuit boards, among which circuit board desoldering is one of the more important steps in circuit board production.

[0003] When stripping the tin of a circuit board, the method usually adopted is that the tin stripping device sprinkles tin stripping water on the circuit board, and then the tin stripping water will come into contact with the tin on the circuit board circuit to react and strip the tin on the circuit board circuit, so that the circuit returns to the original color of copper; but when the tin stripping device strips the tin of the circuit board with the tin stripping water, the contact between the tin stripping water and the circuit board is not uniform enough, and it is easy for the tin stripping water to be insufficient in a certain part of the circuit board, and cannot fully and comprehensively contact the surface of the circuit board, affecting the tin stripping effect of the circuit board.

[0004] In summary, there is currently a need for a circuit board desoldering device that is convenient for evenly desoldering the solder. Utility Model Content

[0005] In view of the deficiencies in the prior art, the present invention provides a circuit board desoldering device, which solves the problems mentioned in the background art.

[0006] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0007] A circuit board detinning processing device comprises a box body, a placement component is provided inside the box body, a liquid supply mechanism is provided inside the placement component, a detinning component is provided at the bottom of the liquid supply mechanism, a liquid storage component for storing detinning water is provided at the bottom of the box body, and a circuit board to be processed is provided on the side of the placement component; the detinning component comprises a mounting plate, a positioning electric rod, a limit plate and a detinning box, the mounting plate is provided on the A side inside the box body, a positioning electric rod is provided on the top surface of the mounting plate, a limit plate is provided inside the inner end of the mounting plate, a detinning box is provided at the inner end of the limit plate and the positioning electric rod, and the placement component and the detinning box are arranged at an angle inside the box body.

[0008] Furthermore, the placement component includes an assembly plate, a movable rod, a placement wheel and a drive motor. The assembly plate is located in the middle of the inner side of the box body. A movable rod is provided on the side of the assembly plate. A placement wheel is provided on one side of the bottom end of the assembly plate. A drive motor is provided on the other side of the bottom end of the assembly plate. The drive motor is connected to the placement wheel. The movable rod and the placement wheel are rotatably connected to the assembly plate. There are multiple movable rods and placement wheels.

[0009] Furthermore, the liquid supply mechanism includes a liquid supply pump, an upper liquid pipe and an adjusting electric rod. The liquid supply pump is arranged at the top of the inside of the box body, the upper liquid pipe is provided on the side of the liquid supply pump, the adjusting electric rod is arranged on the middle side B of the box body, and the bottom end of the upper liquid pipe is connected to the bottom end of the adjusting electric rod.

[0010] Furthermore, a plurality of liquid outlets are provided inside the tin stripping box, and the liquid outlets are arranged to be tilted downward.

[0011] Furthermore, the limit plate is engaged and slid with the mounting plate, and two groups of the mounting plate, the limit plate and the position-adjusting electric rod are provided.

[0012] Furthermore, a guide plate is provided inside the box body, a box door is provided on one side of the box body, the guide plate is located above the liquid storage assembly, the liquid storage assembly includes a positioning motor, a placement plate, a baffle and a liquid storage tank, the positioning motor is provided on the bottom surface of the box body, a placement plate is provided on the top of the positioning motor, the placement plate is located on the inner bottom surface of the box body, a baffle is provided on the middle top surface of the placement plate, two liquid storage tanks are provided on the top surface of the placement plate, and the liquid storage tank, the placement plate and the box body are rotatably connected.

[0013] Furthermore, a mounting block is provided on the top surface of the placement plate, and the mounting block is engaged with the liquid storage tank. The liquid storage tank has a semi-cylindrical structure, and the guide plate is inclined, and the bottom end of the guide plate is located above the liquid storage tank on the B side.

[0014] The utility model provides a circuit board desoldering device. Compared with the prior art, it has the following beneficial effects:

[0015] By means of the tilted placement assembly and the tin stripping box, the tin stripping water can flow down from the circuit board when the circuit board is stripped on the placement wheel. At the same time, the liquid outlet arranged at an angle on the side of the tin stripping box allows the tin stripping water to flow vertically downward on the surface of the circuit board for tin stripping. This ensures that after the tin stripping water flows out from the side of the tin stripping box, it has uniform and uninterrupted contact with the circuit board on the side of the tin stripping box, thereby ensuring the tin stripping effect of the device on the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 The following is a schematic structural diagram of a circuit board desoldering device according to the present invention;

[0018] Figure 2 Shows a schematic diagram of the structure of the front cross-section of the present invention;

[0019] Figure 3 The following is a schematic structural diagram of the tin stripping box of the present invention;

[0020] Figure 4 Shows a schematic structural diagram of the interior of the box body of the present invention;

[0021] Figure 5 Shows a schematic structural diagram of the liquid storage assembly of the present utility model;

[0022] Figure 6 A schematic diagram of the separation structure of the liquid storage tank and the placement tray of the present invention is shown;

[0023] As shown in the figure: 1. Box body; 11. Guide plate; 12. Box door; 2. Placement component; 21. Assembly plate; 22. Movable rod; 23. Placement wheel; 24. Drive motor; 3. Desoldering component; 31. Mounting plate; 32. Positioning electric rod; 33. Limiting plate; 34. Desoldering box; 341. Liquid outlet; 4. Liquid supply mechanism; 41. Liquid supply pump; 42. Upper liquid pipe; 43. Adjustment electric rod; 5. Liquid storage component; 51. Positioning motor; 52. Placement plate; 521. Mounting block; 53. Stop rod; 54. Liquid storage tank; 6. Circuit board. DETAILED DESCRIPTION

[0024] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0025] Example 1

[0026] In order to solve the technical problems in the background technology, a circuit board desoldering device is provided as follows:

[0027] Combine Figure 1-Figure 5 As shown, the utility model provides a circuit board detinning processing device, including a box body 1, a placing component 2 is provided inside the box body 1, a liquid supply mechanism 4 is provided inside the placing component 2, a detinning component 3 is provided at the bottom of the liquid supply mechanism 4, a liquid storage component 5 for storing detinning water is provided at the bottom of the box body 1, and a circuit board 6 to be processed is provided on the side of the placing component 2; the detinning component 3 includes a mounting plate 31, a positioning electric rod 32, a limiting plate 33 and a detinning box 34, the mounting plate 31 is provided on the A side of the box body 1, the top surface of the mounting plate 31 is provided with a positioning electric rod 32, the inner end of the mounting plate 31 is provided with a limiting plate 33, the inner ends of the limiting plate 33 and the positioning electric rod 32 are provided with a detinning box 34, the placing component 2 and the detinning box 34 are arranged obliquely inside the box body 1; the placing component 2 The inclined setting of the component 2 and the tin stripping box 34 facilitates the tilting of the circuit board 6 inside the device for tin stripping, so that the tin stripping water on the surface of the circuit board 6 flows downward and separates from the circuit board 6; the placement component 2 includes an assembly plate 21, a movable rod 22, a placement wheel 23 and a drive motor 24. The assembly plate 21 is located in the middle of the inner side of the box body 1, and a movable rod 22 is provided on the side of the assembly plate 21. A placement wheel 23 is provided on one side of the bottom end of the assembly plate 21, and a drive motor 24 is provided on the other side of the bottom end of the assembly plate 21. The drive motor 24 is connected to the placement wheel 23, and the movable rod 22 and the placement wheel 23 are rotatably connected to the assembly plate 21. There are multiple movable rods 22 and placement wheels 23; the arrangement of the movable rod 22 and the placement wheel 23 is used to drive the circuit board 6 to move inside the box body 1;

[0028] In this embodiment, the tin stripping box 34 is provided with a plurality of liquid outlets 341, and the liquid outlets 341 are arranged to be tilted downward. The downwardly tilted liquid outlets 341 facilitate the tin stripping water in the tin stripping box 34 to flow from the side of the tin stripping box 34 to the surface of the circuit board 6 for vertical tin stripping. The limiting plate 33 is engaged and slidably engaged with the mounting plate 31. The mounting plate 31, the limiting plate 33, and the positioning electric rod 32 are provided in two groups. The engaging and sliding engagement of the limiting plate 33 with the mounting plate 31 facilitates the positioning electric rod 32 to control the movement of the tin stripping box 34 on the side of the circuit board 6 to change the contact distance with the circuit board 6.

[0029] When the circuit board 6 tin stripping treatment device is used, the circuit board 6 to be processed is first placed in the placement component 2, and then the liquid supply mechanism 4 sprays the tin stripping water in the liquid storage component 5 onto the surface of the circuit board 6 through the tin stripping box 34. The tin stripping water discharged from the liquid outlet 341 on the side of the tin stripping box 34 will contact the circuit board 6 to strip the tin, and then flow downward and fall back into the liquid storage component 5;

[0030] By means of the tilted placement assembly 2 and the tin stripping box 34, when the circuit board 6 is being stripped on the placement wheel 23, the tin stripping water can flow down from the circuit board 6, and at the same time, in conjunction with the liquid outlet 341 tiltedly arranged on the side of the tin stripping box 34, the tin stripping water can continuously flow downward vertically on the surface of the circuit board 6 for stripping, and can ensure that after the tin stripping water flows out from the side of the tin stripping box 34, it is in uniform and uninterrupted contact with the circuit board 6 on the side of the tin stripping box 34, thereby ensuring the tin stripping effect of the device on the circuit board 6. Under the conveying action of the placement wheel 23 on the circuit board 6, it can ensure that all areas on the surface of the circuit board 6 can be uniformly stripped.

[0031] Example 2

[0032] like Figures 1-6 As shown, based on the above embodiment, this embodiment further provides the following content:

[0033] A guide plate 11 is provided inside the box body 1, and a box door 12 is provided on one side of the box body 1. The guide plate 11 is located above the liquid storage assembly 5. The liquid storage assembly 5 includes a positioning motor 51, a placement tray 52, a stop rod 53 and a liquid storage tank 54. The positioning motor 51 is provided on the bottom surface of the box body 1. A placement tray 52 is provided on the top of the positioning motor 51. The placement tray 52 is located on the bottom surface of the inner side of the box body 1. A stop rod is provided on the top of the middle portion of the placement tray 52. Two liquid storage tanks 54 are provided on the top surface of the placement tray 52. The liquid storage tank 54 and the placement tray 52 are rotatably connected to the box body 1. The liquid storage tank 54 and the placement tray 52 are rotatably connected to the box body 1, so as to facilitate changing the position of the liquid storage tank 54 inside the box body 1.

[0034] The liquid supply mechanism 4 includes a liquid supply pump 41, an upper liquid pipe 42, and an adjustment electric rod 43. The liquid supply pump 41 is arranged at the top of the interior of the box body 1. The upper liquid pipe 42 is provided on the side of the liquid supply pump 41. The adjustment electric rod 43 is arranged on the side B of the middle part of the box body 1. The bottom end of the upper liquid pipe 42 is located at the bottom end of the adjustment electric rod 43 and is connected. The arrangement of the adjustment electric rod 43 can make the upper liquid pipe 42 rise and fall, so that when the liquid storage tank 54 rotates, the upper liquid pipe 42 can be placed inside the lower liquid storage tank 54 for use.

[0035] In this embodiment, a mounting block 521 is provided on the top surface of the placement tray 52, and the mounting block 521 is engaged with the liquid storage tank 54. The liquid storage tank 54 is a semi-cylindrical structure, and the guide plate 11 is inclined. The bottom end of the guide plate 11 is located above the liquid storage tank 54 on the B side. Through the arrangement of the guide plate 11, the tin stripping water after the tin stripping box 34 strips the tin of the circuit board 6 can fall into the liquid storage tank 54 on the B side inside the box body 1. The arrangement of the mounting block 521 and the gear lever can fix and limit the liquid storage tank 54 placed above the placement tray 52.

[0036] By placing the plate 52 and driving the liquid storage tank 54 to rotate at the bottom of the box body 1, after the device has been stripping the tin of the circuit board 6 for a long time, the liquid storage tank 54 filled with new tin stripping water is rotated to the bottom of the liquid supply mechanism 4 to replace the original liquid storage tank 54, so as to ensure that the tin stripping water inside the device is fully used while making it more convenient to replace the new tin stripping water.

[0037] The working principle and use process of this utility model:

[0038] When using:

[0039] First, the circuit board 6 to be stripped is placed on the placement wheel 23 inside the box body 1. At this time, the bottom of the circuit board 6 contacts the placement wheel 23, and the side of the circuit board 6 contacts the movable rod 22. The circuit board 6 will be in an inclined posture inside the box body 1. Then the placement wheel 23 drives the circuit board 6 to move. After the circuit board 6 moves to the side of the stripping box 34, the positioning electric rod 32 pushes the stripping box 34 close to the circuit board 6. The liquid supply pump 41 pumps the stripping water in the liquid storage tank 54 on the bottom B side of the box body 1 into the stripping box 34 through the upper liquid pipe 42.

[0040] Then, the tin stripping water in the tin stripping box 34 will flow onto the circuit board 6 from the multiple liquid outlets 341 on the side of the tin stripping box 34. After contacting the circuit board 6, the tin stripping water falls on the guide plate 11 and is rewashed back into the liquid storage tank 54 on the side B of the bottom of the box body 1. Then, the tin stripping water on the side of the tin stripping box 34 will continuously flow downward on the inclined surface of the circuit board 6. In this way, the tin stripping water can fully and evenly contact the circuit board 6 in a certain vertical area of the circuit board 6, ensuring the tin stripping effect of the tin stripping water on the circuit board 6. Combined with the placement wheel 23 to control the movement of the circuit board 6 inside the box body 1, the tin stripping processing device can evenly and fully strip the tin on the circuit board 6.

[0041] During the desoldering process:

[0042] The tin stripping water in the liquid storage tank 54 on the B side of the bottom of the box body 1 will be continuously circulated. When the tin stripping effect of the tin stripping water in the liquid storage tank 54 on the B side of the bottom of the box body 1 decreases and cannot be effectively stripped, the motor is adjusted to control the placement plate 52 and the liquid storage tank 54 to rotate, and the liquid storage tanks 54 on the B side and the A side of the bottom of the box body 1 will swap positions, so that the liquid storage tank 54 filled with new tin stripping water can replace the original liquid storage tank 54 for use. The used liquid storage tank 54 can be taken out from the side of the box door 12, and the tin stripping water is replaced, which is convenient for the next replacement of the liquid storage tank 54. In this way, the tin stripping water inside the device can be fully used, the waste of tin stripping water is reduced, and the replacement of tin stripping water is more convenient, so as to ensure the efficiency of the device in stripping the circuit board 6;

[0043] During the rotation of the liquid storage tank 54 , the electric rod 43 is adjusted to control the upper liquid pipe 42 to rise. After the liquid storage tank 54 rotates, the electric rod 43 is adjusted to control the upper liquid pipe 42 to descend again to the inside of the liquid storage tank 54 below.

[0044] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0045] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features thereof can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A circuit board desoldering device, characterized in that: It includes a box body, a placement component is provided inside the box body, a liquid supply mechanism is provided inside the placement component, a tin stripping component is provided at the bottom of the liquid supply mechanism, a liquid storage component for storing tin stripping water is provided at the bottom of the box body, and a circuit board to be processed is provided on the side of the placement component; The tin stripping assembly includes a mounting plate, a positioning electric rod, a limit plate and a tin stripping box. The mounting plate is arranged on the A side inside the box body. The top surface of the mounting plate is provided with a positioning electric rod. The inner end of the mounting plate is provided with a limit plate. The inner ends of the limit plate and the positioning electric rod are provided with a tin stripping box. The placement assembly and the tin stripping box are arranged at an angle inside the box body.

2. A circuit board desoldering device according to claim 1, characterized in that: The placement assembly includes an assembly plate, a movable rod, a placement wheel and a drive motor. The assembly plate is located in the middle of the inner side of the box body. A movable rod is provided on the side of the assembly plate. A placement wheel is provided on one side of the bottom end of the assembly plate. A drive motor is provided on the other side of the bottom end of the assembly plate. The drive motor is connected to the placement wheel. The movable rod and the placement wheel are rotatably connected to the assembly plate. There are multiple movable rods and placement wheels.

3. A circuit board desoldering device according to claim 2, characterized in that: The liquid supply mechanism includes a liquid supply pump, an upper liquid pipe and an adjusting electric rod. The liquid supply pump is arranged at the top of the inside of the box body, and the upper liquid pipe is provided on the side of the liquid supply pump. The adjusting electric rod is arranged on the middle side B of the box body, and the bottom end of the upper liquid pipe is connected to the bottom end of the adjusting electric rod.

4. A circuit board desoldering device according to claim 1, characterized in that: A plurality of liquid outlets are provided inside the tin stripping box, and the liquid outlets are arranged to be tilted downward.

5. A circuit board desoldering device according to claim 1, characterized in that: The limiting plate is engaged and slidably engaged with the mounting plate, and two groups of the mounting plate, the limiting plate and the position-adjusting electric rod are provided.

6. A circuit board desoldering device according to claim 1, characterized in that: A guide plate is provided inside the box body, a box door is provided on one side of the box body, the guide plate is located above the liquid storage assembly, the liquid storage assembly includes a positioning motor, a placement plate, a baffle and a liquid storage tank, the positioning motor is provided on the bottom surface of the box body, a placement plate is provided on the top of the positioning motor, the placement plate is located on the inner bottom surface of the box body, a baffle is provided on the middle top surface of the placement plate, two liquid storage tanks are provided on the top surface of the placement plate, and the liquid storage tank, the placement plate and the box body are rotatably connected.

7. A circuit board desoldering device according to claim 6, characterized in that: A mounting block is provided on the top surface of the placement plate, and the mounting block is engaged with the liquid storage tank. The liquid storage tank is a semi-cylindrical structure, and the guide plate is inclined. The bottom end of the guide plate is located above the liquid storage tank on the B side.

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