PCBA board automatic tinning device

Abstract

The invention provides a PCBA board automatic tinning device which comprises a base, a soldering flux containing box, a heating furnace and a moving mechanism are arranged on the base, a soldering aid mechanism is arranged on one side of the soldering flux containing box and comprises a first power air cylinder, the first power air cylinder is arranged in the vertical direction, and the heating furnace is arranged on the first power air cylinder. The tin scraping mechanism comprises a guide rail, a sliding block is arranged on the guide rail, a third power air cylinder is transversely arranged on one side edge of the sliding block, a fourth power air cylinder is arranged above the sliding block, and the third power air cylinder is arranged on the other side edge of the sliding block. The power output end of the fourth power air cylinder is connected with a tin scraping plate, and the tin scraping plate is arranged above the tin feeding bracket box. According to the automatic tinning device for the PCBA board, automatic tinning of the PCBA board is achieved, physical energy loss of operators in the operation process is greatly reduced, the possibility that other elements are damaged in the element moving process is reduced, and the tinning efficiency of the PCBA board is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of automation equipment, and in particular to an automatic tinning device for a PCBA board. Background Art

[0002] PCBA refers to a printed circuit board assembly.

[0003] At present, in the production process of PCBA of electronic products, samples need to be produced and the PCBA board needs to be tinned manually. The process of tinning is to first apply flux on the PCBA board and then tin it. In this process, manual operation is time-consuming, labor-intensive and inefficient. Summary of the invention

[0004] In order to overcome the shortcomings of the prior art, a PCBA board automatic tinning device is provided. The specific technical solution of the present invention is as follows:

[0005] A PCBA board automatic tinning device comprises a base, on which a flux loading box, a heat furnace and a moving mechanism are arranged, a fluxing mechanism is arranged on one side of the flux loading box, the fluxing mechanism comprises a first power cylinder, the first power cylinder is placed in a vertical direction, a fluxing bracket box is connected to the power output end of the first power cylinder, and the fluxing bracket box is arranged in the flux loading box, a tinning mechanism is arranged on one side of the heat furnace, the tinning mechanism comprises a second power cylinder, the second power cylinder is placed in a vertical direction, a tinning bracket box is connected to the power output end of the second power cylinder, and the tinning bracket box is arranged in the heat furnace, and the moving mechanism comprises a A support frame and a second support frame, the first support frame and the second support frame are arranged parallel to each other and spaced apart, a transverse support plate is slidably connected between the first support frame and the second support frame, the second support frame is provided with a power mechanism for driving the transverse support plate to move, a clamping mechanism for clamping PCBA is provided in the middle of the transverse support plate, a tin scraping mechanism is provided on one side of the hot furnace, the tin scraping mechanism includes a guide rail, a sliding block is provided on the guide rail, a third power cylinder is horizontally arranged on one side of the sliding block, a fourth power cylinder is provided above the sliding block, a tin scraping plate is connected to the power output end of the fourth power cylinder, and the tin scraping plate is arranged above the upper tin bracket box.

[0006] Preferably, the clamping mechanism includes a first clamping mounting plate and a second clamping mounting plate, the middle parts of the first clamping mounting plate and the second clamping mounting plate are both provided with mounting openings and mounting grooves, the mounting openings are connected to the transverse support plate, the middle part of the transverse support plate is provided with a through groove, a connecting plate is provided above the mounting opening, a fifth power cylinder is provided on the connecting plate, the power output end of the fifth power cylinder passes through the connecting plate and the through groove and is disposed in the mounting groove and is connected with a pressure plate.

[0007] Preferably, a picking mechanism is connected to the upper middle part of the transverse support plate, and the picking mechanism includes a connecting frame, a first screw rod is connected to the connecting frame, a first power device is arranged on one side of the connecting frame, one end of the first screw rod passes through the connecting frame and is connected to the first power device, a first moving block is connected to the first screw rod, a mounting frame is connected below the first moving block, a second screw rod is connected to the mounting frame, a second power device is arranged on one side of the mounting frame, one end of the second screw rod passes through the mounting frame and is connected to the second power device, a sixth power cylinder is connected to the second screw rod, and a vacuum suction cup is arranged on the power output shaft of the sixth power cylinder.

[0008] Preferably, the power mechanism includes a stepper motor, one end of the second support frame is connected to the stepper motor, the other end of the second support frame is connected to a mounting column, the power output end of the stepper motor is connected to a first gear, a second gear is arranged on the mounting column, a belt is arranged between the first gear and the second gear, a mounting block is connected to the belt, and the mounting block is connected to the cross support plate.

[0009] Preferably, the second power cylinder is connected to a limit frame, and the bottom of the limit frame is connected to the base.

[0010] Preferably, a protective cover is provided above the second gear.

[0011] Preferably, a protective shell is provided on the base, a protective door is provided on the protective shell, and a ventilation mechanism is provided on the top of the protective shell.

[0012] Preferably, bottom adjustment mechanisms are provided at the four corners of the bottom of the base.

[0013] Preferably, a control button is provided on the side panel of the base.

[0014] Preferably, heat dissipation holes are provided on the base.

[0015] The beneficial technical effects achieved by the present invention include:

[0016] The operator places the PCBA board on the clamping mechanism, which is clamped by the clamping mechanism. Then the power mechanism drives the cross support plate to move horizontally on the first support frame and the second support frame to the top of the soldering bracket box, and starts the first power cylinder. The power output of the first power cylinder drives the soldering bracket box to move upward, so that the flux in the soldering bracket box contacts the bottom surface of the PCBA board, so that the bottom surface of the PCBA board is stained with solder flux, and then the first power cylinder is reset, and the soldering bracket box returns to the solder flux storage box to replenish the solder flux. The PCBA board continues to move forward through the moving mechanism until it reaches the top of the hot furnace, which contains molten tin water, and the second power cylinder is started. The power output of the power cylinder drives the upper tin bracket box to move upward, so that the upper tin bracket box is separated from the tin water liquid level in the hot furnace, and the fourth power cylinder is started. The power output end of the fourth power cylinder drives the tin scraper plate to rise, so that the tin scraper plate is flush with the upper surface of the upper tin bracket box, and then the third power cylinder is started. The third power cylinder drives the sliding block to move, that is, the tin scraper plate moves horizontally to scrape the upper surface of the tin water of the upper tin bracket box. After the tin water is scraped flat, the power output of the second power cylinder continues to drive the upper tin bracket box to move upward until the tin water in the upper tin bracket box contacts the bottom surface of the PCBA board, and the tinning operation of the PCBA board is completed. Then the moving mechanism is reset, and the PCBA board is taken out by the operator. Compared with the manual tinning operation of the traditional PCBA board, the automatic tinning of the PCBA board is realized through this device, which greatly reduces the physical loss of the operator during the operation, reduces the possibility of damage to other components caused by the components during the movement, and improves the tinning efficiency of the PCBA board. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention can be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily drawn to scale, but the emphasis is placed on illustrating the principles of the embodiments. In different views, the same reference numerals designate corresponding parts.

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 This is a schematic diagram of the overall structure of the present invention (without the protective shell);

[0020] Figure 3 This is a schematic diagram of the overall structure of the present invention (excluding the protective shell and the base);

[0021] Figure 4 It is a schematic diagram of the cooperation structure between the moving mechanism and the horizontal support plate of the present invention;

[0022] Figure 5 It is a schematic diagram of the matching structure of the first clamping and mounting plate and the horizontal support plate of the present invention;

[0023] Figure 6It is a schematic diagram of the structure of the pickup mechanism of the present invention;

[0024] Figure 7 It is a structural schematic diagram of the flux placing box and the tinning bracket box of the present invention from a first viewing angle;

[0025] Figure 8 It is a structural schematic diagram of the flux placing box and the tinning bracket box of the present invention from a second viewing angle;

[0026] Fig. 9 It is a schematic diagram of the local structure of the present invention;

[0027] In the figure: 1, base; 2, soldering flux box; 3, hot furnace; 4, moving mechanism; 5, soldering mechanism; 6, first power cylinder; 7, soldering bracket box; 8, tinning mechanism; 9, second power cylinder; 10, tinning bracket box; 11, first support frame; 12, second support frame; 13, cross support plate; 14, power mechanism; 15, clamping mechanism; 16, tin scraping mechanism; 17, guide rail; 18, sliding block; 19, third power cylinder; 20, fourth power cylinder; 21, tin scraping plate; 22, first clamping mounting plate; 23, second clamping mounting plate; 24, mounting port; 25, mounting slot; 26, through slot; 27 , connecting plate; 28, fifth power cylinder; 29, picking mechanism; 30, connecting frame; 31, first screw rod; 32, first power device; 33, first moving block; 34, mounting frame; 35, second screw rod; 36, second power device; 37, sixth power cylinder; 38, vacuum suction cup; 39, stepping motor; 40, mounting column; 41, first gear; 42, second gear; 43, belt; 44, mounting block; 45, limit frame; 46, protective cover; 47, protective shell; 48, protective door; 49, ventilation mechanism; 50, bottom adjustment mechanism; 51, control button; 52, heat dissipation hole; 53, pressure plate. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with its embodiments; it should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention. For those skilled in the art, other systems, methods and / or features of the present embodiment will become apparent after reviewing the following detailed description. It is intended that all such additional systems, methods, features and advantages are included in this specification, included within the scope of the present invention, and protected by the appended claims. Additional features of the disclosed embodiments are described in detail below, and these features will be apparent from the detailed description below.

[0029] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0030] A PCBA board automatic tinning device comprises a base 1, on which a flux loading box 2, a hot furnace 3 and a moving mechanism 4 are arranged, a soldering mechanism 5 is arranged on one side of the soldering flux loading box 2, the soldering mechanism 5 comprises a first power cylinder 6, the first power cylinder 6 is placed in a vertical direction, a power output end of the first power cylinder 6 is connected to a soldering bracket box 7, the soldering bracket box 7 is arranged in the soldering flux loading box 2, a tinning mechanism 8 is arranged on one side of the hot furnace 3, the tinning mechanism 8 comprises a second power cylinder 9, the second power cylinder 9 is placed in a vertical direction, a power output end of the second power cylinder 9 is connected to a soldering bracket box 10, the soldering bracket box 10 is arranged in the hot furnace 3, the moving mechanism 4 comprises a first support frame 11 and a second support frame 12. The first support frame 11 and the second support frame 12 are arranged parallel to each other and spaced apart. A transverse support plate 13 is slidably connected between the first support frame 11 and the second support frame 12. The second support frame 12 is provided with a power mechanism 14 for driving the transverse support plate 13 to move. A clamping mechanism 15 for clamping PCBA is provided in the middle of the transverse support plate 13. A tin scraping mechanism 16 is provided on one side of the hot furnace 3. The tin scraping mechanism 16 includes a guide rail 17. A sliding block 18 is provided on the guide rail 17. A third power cylinder 19 is horizontally arranged on one side of the sliding block 18. A fourth power cylinder 20 is arranged above the sliding block 18. A tin scraping plate 21 is connected to the power output end of the fourth power cylinder 20. The tin scraping plate 21 is arranged above the upper tin bracket box 10.

[0031] Specifically, Figure 1-9As shown, the operator places the PCBA board on the clamping mechanism 15, which is clamped by the clamping mechanism 15, and then the power mechanism 14 drives the cross support plate 13 to move horizontally on the first support frame 11 and the second support frame 12 to the top of the soldering bracket box 7, and starts the first power cylinder 6. The power output of the first power cylinder 6 drives the soldering bracket box 7 to move upward, so that the flux in the soldering bracket box 7 contacts the bottom surface of the PCBA board, so that the bottom surface of the PCBA board is stained with soldering flux, and then the first power cylinder 6 is reset, and the soldering bracket box 7 returns to the soldering flux storage box 2 to replenish the soldering flux. The PCBA board continues to move forward through the moving mechanism 4 until it reaches the top of the hot furnace 3, and the hot furnace 3 contains molten tin water, and the second power cylinder 9 is started. The power output of cylinder 9 drives the upper tin bracket box 10 to move upward, so that the upper tin bracket box 10 is separated from the tin water liquid level in the hot furnace 3, and the fourth power cylinder 20 is started. The power output end of the fourth power cylinder 20 drives the tin scraper plate 21 to rise, so that the tin scraper plate 21 is flush with the upper surface of the upper tin bracket box 10, and then the third power cylinder 19 is started. The third power cylinder 19 drives the sliding block 18 to move, that is, the tin scraper plate 21 moves horizontally to scrape the upper surface of the tin water of the upper tin bracket box 10. After the tin water is scraped flat, the power output of the second power cylinder 9 continues to drive the upper tin bracket box 10 to move upward until the tin water in the upper tin bracket box 10 contacts the bottom surface of the PCBA board, completing the tinning operation of the PCBA board, and then the moving mechanism 4 is reset, and the PCBA board is taken out by the operator. Compared with the traditional manual tinning operation of PCBA boards, this device can realize automatic tinning of PCBA boards, greatly reducing the physical loss of operators during the operation, reducing the possibility of damage to other components caused by the movement of components, and improving the tinning efficiency of PCBA boards.

[0032] Furthermore, the clamping mechanism 15 includes a first clamping mounting plate 22 and a second clamping mounting plate 23, and the middle parts of the first clamping mounting plate 22 and the second clamping mounting plate 23 are both provided with mounting openings 24 and mounting grooves 25, the mounting opening 24 is connected to the transverse support plate 13, and the middle part of the transverse support plate 13 is provided with a through groove 26, and a connecting plate 27 is provided above the mounting opening 24, and a fifth power cylinder 28 is provided on the connecting plate 27, and the power output end of the fifth power cylinder 28 passes through the connecting plate 27 and the through groove 26 and is arranged in the mounting groove 25 and is connected with a pressure plate 53. By setting the through slot 26, the distance between the first clamping mounting plate 22 and the second clamping mounting plate 23 can be adjusted, so that the clamping mechanism 15 can adapt to the clamping of PCBA boards of different sizes and models. When in use, by starting the fifth power cylinder 28, the pressure plate 53 on the fifth power cylinder 28 cooperates with the mounting slot 25 to clamp the PCBA board in the mounting slot 25, and the clamping is firm.

[0033] Furthermore, a picking mechanism 29 is connected to the upper middle part of the transverse support plate 13, and the picking mechanism 29 includes a connecting frame 30, a first screw rod 31 is connected to the connecting frame 30, a first power device 32 is arranged on one side of the connecting frame 30, one end of the first screw rod 31 passes through the connecting frame 30 and is connected to the first power device 32, a first moving block 33 is connected to the first screw rod 31, a mounting frame 34 is connected below the first moving block 33, a second screw rod 35 is connected to the mounting frame 34, a second power device 36 is arranged on one side of the mounting frame 34, one end of the second screw rod 35 passes through the mounting frame 34 and is connected to the second power device 36, a sixth power cylinder 37 is connected to the second screw rod 35, and a vacuum suction cup 38 is arranged on the power output shaft of the sixth power cylinder 37. When the tinning of the PCBA board is completed, the first moving block 33 is driven by the first power device 32 and the sixth power cylinder 37 is driven by the second power device 36, so that the sixth power cylinder 37 is located directly above the PCBA board, and the PCBA board is adsorbed by the vacuum suction cup 38, and then the PCBA board is released by the clamping mechanism 15, and then the first moving block 33 is driven by the first power device 32 and the vacuum suction cup 38 on the sixth power cylinder 37 is driven by the second power device 36 to adsorb and move the PCBA board to the front of the device, and then the operator takes it, thereby reducing the possibility of damage to other components caused by component removal and improving the yield rate.

[0034] Furthermore, the power mechanism 14 includes a stepper motor 39, one end of the second support frame 12 is connected to the stepper motor 39, the other end of the second support frame 12 is connected to a mounting column 40, the power output end of the stepper motor 39 is connected to a first gear 41, the mounting column 40 is provided with a second gear 42, a belt 43 is provided between the first gear 41 and the second gear 42, a mounting block 44 is connected to the belt 43, and the mounting block 44 is connected to the horizontal support plate 13. The first gear 41 is driven to rotate by the stepper motor 39, and then the second gear 42 and the belt 43 are driven to rotate, and the belt 43 drives the mounting block 44 to move while the belt 43 rotates, and the horizontal movement of the horizontal support plate 13 is driven by the movement of the mounting block 44, and the structure is reliable.

[0035] Further, the second power cylinder 9 is connected with a limit frame 45, and the bottom of the limit frame 45 is connected to the base 1. Through the setting of the limit frame 45, the upper tin bracket box 10 on the second power cylinder 9 can be limited.

[0036] Furthermore, a protective cover 46 is provided above the second gear 42. The provision of the protective cover 46 can prevent debris from falling onto the inner side of the belt 43 and affecting the use of the device.

[0037] Furthermore, a protective shell 47 is provided on the base 1, a protective door 48 is provided on the protective shell 47, and a ventilation mechanism 49 is provided on the top of the protective shell 47. Through the setting of the ventilation mechanism 49, the exhaust gas in the operation process of the equipment can be discharged to the exhaust gas treatment room, reducing the contact between the exhaust gas and the operator, which is beneficial to the health of the operator.

[0038] Furthermore, bottom adjustment mechanisms 50 are provided at the four corners of the bottom of the base 1. By adjusting the bottom adjustment mechanisms 50, the device can be adapted to an uneven operating platform.

[0039] Furthermore, a control button 51 is provided on the side panel of the base 1. The operator can use the control button 51 to start, stop and emergency stop the device.

[0040] Furthermore, the base 1 is provided with heat dissipation holes 52, through which heat can be discharged in time, thereby increasing the service life of the device.

[0041] Although the present invention has been described above with reference to various embodiments, it should be understood that many changes and modifications may be made without departing from the scope of the present invention. That is, the methods, systems and devices discussed above are examples. Various configurations may appropriately omit, replace or add various processes or components. For example, in alternative configurations, the method may be performed in an order different from the order described, and / or various components may be added, omitted and / or combined. Moreover, the features described with respect to certain configurations may be combined in various other configurations, such as different aspects and elements of the configurations may be combined in a similar manner. In addition, the elements therein may be updated as the technology develops, i.e., many elements are examples and do not limit the scope of the present disclosure or claims.

[0042] Specific details are given in the specification to provide a thorough understanding of the exemplary configurations including implementations. However, the configurations may be practiced without these specific details, for example, well-known circuits, processes, algorithms, structures, and techniques have been shown without unnecessary detail to avoid obscuring the configurations. This description provides only example configurations and does not limit the scope, applicability, or configurations of the claims. Instead, the foregoing description of the configurations will provide those skilled in the art with an enabling description for implementing the described techniques. Various changes may be made to the functions and arrangements of the elements without departing from the spirit or scope of the present disclosure.

[0043] In summary, it is intended that the above detailed description is considered to be illustrative rather than restrictive, and it should be understood that the spirit and scope of the present invention are limited. The above embodiments should be understood to be only used to illustrate the present invention and not to limit the scope of protection of the present invention. After reading the content of the record of the present invention, the technician can make various changes or modifications to the present invention, and these equivalent changes and modifications also fall into the scope defined by the claims of the present invention.

Claims

1. A PCBA board automatic tinning device, characterized in that: The invention comprises a base (1), wherein a soldering flux placing box (2), a heat furnace (3) and a moving mechanism (4) are arranged on the base (1), a soldering flux placing box (5) is arranged on one side of the soldering flux placing box (2), and the soldering flux mechanism (5) comprises a first power cylinder (6), wherein the first power cylinder (6) is placed in a vertical direction, and a soldering flux bracket box (7) is connected to the power output end of the first power cylinder (6), and the soldering flux bracket box (7) is arranged on the soldering flux placing box (2). The hot furnace (3) is provided with a tinning mechanism (8) on one side thereof, wherein the tinning mechanism (8) comprises a second power cylinder (9), the second power cylinder (9) is placed in a vertical direction, the power output end of the second power cylinder (9) is connected to a tinning bracket box (10), the tinning bracket box (10) is arranged in the hot furnace (3), the moving mechanism (4) comprises a first support frame (11) and a second support frame (12), the first support frame (11) and the second support frame (12) are arranged parallel to each other and spaced apart, a transverse support plate (13) is slidably connected between the first support frame (11) and the second support frame (12), the second support frame (12) is provided with a power mechanism (14) for driving the transverse support plate (13) to move, a clamping mechanism (15) for clamping PCBA is provided in the middle of the transverse support plate (13), and a tin scraper is provided on one side of the hot furnace (3). The tin scraping mechanism (16) comprises a guide rail (17), a sliding block (18) is arranged on the guide rail (17), a third power cylinder (19) is transversely arranged on one side of the sliding block (18), a fourth power cylinder (20) is arranged above the sliding block (18), a tin scraping plate (21) is connected to the power output end of the fourth power cylinder (20), and the tin scraping plate (21) is arranged above the upper tin bracket box (10).

2. The PCBA board automatic tinning device according to claim 1, characterized in that: The clamping mechanism (15) comprises a first clamping mounting plate (22) and a second clamping mounting plate (23), wherein a mounting opening (24) and a mounting groove (25) are arranged in the middle of the first clamping mounting plate (22) and the second clamping mounting plate (23), wherein the mounting opening (24) is connected to the transverse support plate (13), wherein a through groove (26) is arranged in the middle of the transverse support plate (13), wherein a connecting plate (27) is arranged above the mounting opening (24), wherein a fifth power cylinder (28) is arranged on the connecting plate (27), wherein a power output end of the fifth power cylinder (28) passes through the connecting plate (27) and the through groove (26) to be arranged in the mounting groove (25) and is connected to a pressure plate (53).

3. The PCBA board automatic tinning device according to claim 1, characterized in that: A pick-up mechanism (29) is connected to the upper middle portion of the transverse support plate (13), and the pick-up mechanism (29) comprises a connecting frame (30), a first screw rod (31) is connected to the connecting frame (30), a first power device (32) is arranged on one side of the connecting frame (30), one end of the first screw rod (31) passes through the connecting frame (30) and is connected to the first power device (32), a first moving block (33) is connected to the first screw rod (31), and the first moving block (33) is connected to the first moving block (33). A mounting frame (34) is connected to the lower side of the moving block (33), a second screw rod (35) is connected to the mounting frame (34), a second power device (36) is arranged on one side of the mounting frame (34), one end of the second screw rod (35) passes through the mounting frame (34) and is connected to the second power device (36), a sixth power cylinder (37) is connected to the second screw rod (35), and a vacuum suction cup (38) is arranged on the power output shaft of the sixth power cylinder (37).

4. The PCBA board automatic tinning device according to claim 1, characterized in that: The power mechanism (14) comprises a stepper motor (39), one end of the second support frame (12) is connected to the stepper motor (39), the other end of the second support frame (12) is connected to a mounting column (40), the power output end of the stepper motor (39) is connected to a first gear (41), a second gear (42) is arranged on the mounting column (40), a belt (43) is arranged between the first gear (41) and the second gear (42), a mounting block (44) is connected to the belt (43), and the mounting block (44) is connected to the transverse support plate (13).

5. The PCBA board automatic tinning device according to claim 1, characterized in that: The second power cylinder (9) is connected to a limiting frame (45), and the bottom of the limiting frame (45) is connected to the base (1).

6. The PCBA board automatic tinning device according to claim 4, characterized in that: A protective cover (46) is provided above the second gear (42).

7. The PCBA board automatic tinning device according to claim 1, characterized in that: The base (1) is provided with a protective shell (47), the protective shell (47) is provided with a protective door (48), and the top of the protective shell (47) is provided with a ventilation mechanism (49).

8. The PCBA board automatic tinning device according to claim 1, characterized in that: Bottom adjustment mechanisms (50) are provided at the four corners of the bottom of the base (1).

9. The PCBA board automatic tinning device according to claim 1, characterized in that: A control button (51) is provided on the side panel of the base (1).

10. The PCBA board automatic tinning device according to claim 1, characterized in that: The base (1) is provided with heat dissipation holes (52).

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