PCBA board automatic tin plating device

Abstract

The application provides a PCBA board automatic tin plating device, which comprises a base, a flux loading box, a hot furnace and a moving mechanism arranged on the base, a fluxing mechanism arranged on one side of the flux loading box, the fluxing mechanism comprising a first power cylinder, the first power cylinder being arranged in a vertical direction, a fluxing bracket box connected to a power output end of the first power cylinder, the fluxing bracket box being arranged in the flux loading box, a tin scraping mechanism comprising a guide rail, a sliding block arranged on the guide rail, a third power cylinder arranged on one side of the sliding block in a transverse direction, a fourth power cylinder arranged above the sliding block, a tin scraping plate connected to a power output end of the fourth power cylinder, and the tin scraping plate being arranged above a tin plating bracket box; the device realizes automatic tin plating of the PCBA board, greatly reduces physical loss of workers during operation, reduces the possibility of damage to other components caused by the components during movement, and improves the tin plating efficiency of the PCBA board.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automation equipment, in particular to a PCBA automatic tin plating device. BACKGROUND

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

[0003] At present, in the production process of electronic product PCBA, sample production needs to be carried out on samples, and manual tin plating operation needs to be carried out on PCBA board. The operation process of tin plating operation is to first apply flux on the PCBA board, and then to carry out tin plating. In this process, the manual operation is time-consuming and laborious, and the efficiency is low. SUMMARY

[0004] In order to overcome the deficiencies of the prior art, a PCBA automatic tin plating device is provided, and the specific technical scheme of the present application is as follows:

[0005] A PCBA automatic tin plating device, comprising a base, a flux loading box, a hot stove and a moving mechanism are arranged on the base, a flux loading box is arranged on one side of the flux loading box, a flux loading mechanism is arranged on one side of the flux loading box, the flux loading mechanism comprises a first power cylinder, the first power cylinder is placed in the vertical direction, a flux loading bracket box is connected to the power output end of the first power cylinder, the flux loading bracket box is arranged in the flux loading box, a tin plating mechanism is arranged on one side of the hot stove, the tin plating mechanism comprises a second power cylinder, the second power cylinder is placed in the vertical direction, a tin plating bracket box is connected to the power output end of the second power cylinder, the tin plating bracket box is arranged in the hot stove, the moving mechanism comprises a first support frame and a second support frame, the first support frame and the second support frame are arranged in parallel and spaced apart, a cross 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 cross support plate to move, a clamping mechanism for clamping PCBA is arranged on the middle part of the cross support plate, a tin scraping mechanism is arranged on one side edge of the hot stove, the tin scraping mechanism comprises a guide rail, a sliding block is arranged on the guide rail, a third power cylinder is transversely arranged on one side edge of the sliding block, a fourth power cylinder is arranged 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 tin plating bracket box.

[0006] Preferably, the clamping mechanism comprises a first clamping mounting plate and a second clamping mounting plate, the middle portions of the first clamping mounting plate and the second clamping mounting plate are provided with mounting holes and mounting grooves, the mounting holes are connected with the transverse supporting plates, the middle portions of the transverse supporting plates are provided with through grooves, the upper portions of the mounting holes are provided with connecting plates, the connecting plates are provided with fifth power cylinders, the power output ends of the fifth power cylinders pass through the connecting plates and the through grooves and are connected with pressing plates in the mounting grooves.

[0007] Preferably, the upper portions of the middle portions of the transverse supporting plates are connected with taking mechanisms, the taking mechanisms comprise connecting frames, the connecting frames are provided with first lead screws, the connecting frames are provided with first power devices on one side, the first lead screws pass through the connecting frames and are connected with the first power devices, the first lead screws are provided with first moving blocks, the lower portions of the first moving blocks are provided with mounting frames, the mounting frames are provided with second lead screws, the mounting frames are provided with second power devices on one side, the second lead screws pass through the mounting frames and are connected with the second power devices, the second lead screws are provided with sixth power cylinders, the power output shafts of the sixth power cylinders are provided with vacuum suction cups.

[0008] Preferably, the power mechanism comprises a stepping motor, one end of the second supporting frame is connected with the stepping motor, the other end of the second supporting frame is connected with a mounting column, the power output end of the stepping motor is connected with a first gear, the mounting column is provided with a second gear, a belt is arranged between the first gear and the second gear, the belt is provided with a mounting block, and the mounting block is connected with the transverse supporting plate.

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

[0010] Preferably, the upper portion of the second gear is provided with a protective cover.

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

[0012] Preferably, the bottom of the base is provided with a bottom adjusting mechanism at four corners.

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

[0014] Preferably, the base is provided with heat dissipation holes.

[0015] The beneficial technical effects obtained by the present application include:

[0016] The operator places the PCBA board on the clamping mechanism, which is clamped by the clamping mechanism, and then the power mechanism drives the horizontal support plate to move horizontally on the first support frame and the second support frame to the upper side of the soldering aid bracket box, the first power cylinder is started, the power output of the first power cylinder drives the soldering aid bracket box to move upward, so that the soldering aid in the soldering aid bracket box contacts the bottom surface of the PCBA board, and the bottom surface of the PCBA board is coated with soldering aid, and then the first power cylinder resets, the soldering aid bracket box returns to the soldering aid loading box to supplement the soldering aid, and the PCBA board continues to move forward through the moving mechanism until it reaches the upper side of the hot furnace, the hot furnace contains molten tin water, the second power cylinder is started, the power output of the second 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, the fourth power cylinder is started, the power output end of the fourth power cylinder drives the tin scraping plate to rise, so that the tin scraping 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 scraping plate moves horizontally, the tin water on the upper surface of the upper tin bracket box is scraped flat, and then 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, the soldering operation of the PCBA board is completed, and then the moving mechanism resets, and the PCBA board is taken out by the operator. Compared with the traditional manual soldering operation of the PCBA board, the automatic soldering of the PCBA board is realized by the device, the physical loss of the operator during the operation is greatly reduced, the possibility of damage to other components caused by the movement of the components is reduced, and the soldering efficiency of the PCBA board is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] The present application can be further understood from the following description in conjunction with the drawings. The components in the drawings are not necessarily drawn to scale, but emphasis is placed on showing 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 application;

[0019] Figure 2 It is a schematic diagram of the overall structure of the present application (remove the protective shell);

[0020] Figure 3 It is a schematic diagram of the overall structure of the present application (remove the protective shell and the base);

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

[0022] Figure 5 It is a schematic diagram of the first clamping installation plate and the horizontal support plate of the present application;

[0023] Figure 6Structure schematic view of the taking mechanism of the application;

[0024] Figure 7 Structure schematic view of the flux loading box and the tin loading bracket box from the first perspective of the application;

[0025] Figure 8 Structure schematic view of the flux loading box and the tin loading bracket box from the second perspective of the application;

[0026] Figure 9 Structure schematic view of the application;

[0027] In the figure: 1, base; 2, flux loading box; 3, heating furnace; 4, moving mechanism; 5, flux loading mechanism; 6, first power cylinder; 7, flux loading bracket box; 8, tin loading mechanism; 9, second power cylinder; 10, tin loading bracket box; 11, first support frame; 12, second support frame; 13, horizontal 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 groove; 26, through groove; 27, connecting plate; 28, fifth power cylinder; 29, taking mechanism; 30, connecting frame; 31, first lead screw; 32, first power device; 33, first moving block; 34, mounting frame; 35, second lead screw; 36, second power device; 37, sixth power cylinder; 38, vacuum chuck; 39, stepping motor; 40, mounting column; 41, first gear; 42, second gear; 43, belt; 44, mounting block; 45, limiting frame; 46, protective cover; 47, protective shell; 48, protective door; 49, ventilation mechanism; 50, bottom adjusting mechanism; 51, control button; 52, heat dissipation hole; 53, pressing plate. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below in combination with its embodiments; it should be understood that the specific embodiments described here are only used to explain the present application, and are not used to limit the present application. For those skilled in the art, other systems, methods and / or features of the embodiments will become apparent after reading the following detailed description. All such additional systems, methods, features and advantages are intended to be included within the scope of the present application, included within the scope of the present application, and protected by the appended claims. Additional features of the disclosed embodiments are described in detail below, and will be apparent from the following detailed description.

[0029] The same or similar reference numerals in the drawings of the embodiments of the present application correspond to the same or similar components; in the description of the present application, it is understood that if the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right" and the like are based on the orientations or positional relationships shown in the drawings, they are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or components referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the positional relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the present patent, for those skilled in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0030] A PCBA board automatic tin plating device, including base 1, the base 1 is provided with flux loading box 2, hot stove 3 and moving mechanism 4, one side of the flux loading box 2 is provided with fluxing mechanism 5, the fluxing mechanism 5 includes first power cylinder 6, the first power cylinder 6 is placed in the vertical direction, the power output end of the first power cylinder 6 is connected with fluxing bracket box 7, the fluxing bracket box 7 is arranged in the flux loading box 2, one side of the hot stove 3 is provided with tin plating mechanism 8, the tin plating mechanism 8 includes second power cylinder 9, the second power cylinder 9 is placed in the vertical direction, the power output end of the second power cylinder 9 is connected with tin plating bracket box 10, the tin plating bracket box 10 is arranged in the hot stove 3, the moving mechanism 4 includes first support frame 11 and second support frame 12, the first support frame 11 and the second support frame 12 are arranged in parallel and spaced apart, a cross 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 cross support plate 13 to move, the middle part of the cross support plate 13 is provided with a clamping mechanism 15 for clamping PCBA, one side edge of the hot stove 3 is provided with a tin scraping mechanism 16, the tin scraping mechanism 16 includes 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 edge 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 tin plating bracket box 10.

[0031] Specifically, as Figures 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 horizontal support plate 13 to move horizontally on the first support frame 11 and the second support frame 12 to the upper side of the soldering bracket box 7. The first power cylinder 6 is started, and the power output of the first power cylinder 6 drives the soldering bracket box 7 to move upward, so that the soldering flux in the soldering bracket box 7 contacts the bottom surface of the PCBA board, and the bottom surface of the PCBA board is coated with soldering flux. Then the first power cylinder 6 is reset, the soldering bracket box 7 returns to the soldering flux loading box 2 to replenish the soldering flux, and the PCBA board continues to move forward through the moving mechanism 4 until it reaches the upper side of the hot furnace 3. The hot furnace 3 contains molten tin water. The second power cylinder 9 is started, and the power output of the second power 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 surface in the hot furnace 3. The fourth power cylinder 20 is started, and the power output of the fourth power cylinder 20 drives the tin scraping plate 21 to rise, so that the tin scraping plate 21 is flush with the upper surface of the upper tin bracket box 10. Then the third power cylinder 19 is started, and the third power cylinder 19 drives the sliding block 18 to move, that is, the tin scraping plate 21 moves horizontally, and the tin water surface of the upper tin bracket box 10 is scraped flat. After the tin water surface 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, and the PCBA board is coated with tin. Then the moving mechanism 4 is reset, and the PCBA board is taken out by the operator. Compared with the traditional manual soldering operation of the PCBA board, the automatic soldering of the PCBA board is realized by the device, which greatly reduces the physical loss of the operator during the operation, reduces the possibility of damage to other components during the movement of the components, and improves the soldering efficiency of the PCBA board.

[0032] Further, the clamping mechanism 15 includes a first clamping mounting plate 22 and a second clamping mounting plate 23. The middle part of the first clamping mounting plate 22 and the second clamping mounting plate 23 is provided with a mounting hole 24 and a mounting groove 25. The mounting hole 24 is connected with the horizontal support plate 13. The middle part of the horizontal support plate 13 is provided with a through slot 26. The upper side of the mounting hole 24 is provided with a connecting plate 27. The connecting plate 27 is provided with a fifth power cylinder 28. The power output end of the fifth power cylinder 28 penetrates through the connecting plate 27 and the through slot 26 to be connected with the pressing plate 53 in the mounting groove 25. Through the arrangement of 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. In use, the pressing plate 53 on the fifth power cylinder 28 is matched with the mounting groove 25 to clamp the PCBA board in the mounting groove 25, which is firm and reliable.

[0033] Further, the upper part of the middle part of the transverse support plate 13 is provided with a taking mechanism 29, the taking mechanism 29 comprises a connecting frame 30, a first lead screw 31 is connected and arranged on the connecting frame 30, a first power device 32 is arranged on one side of the connecting frame 30, one end of the first lead screw 31 penetrates through the connecting frame 30 and is connected with the first power device 32, a first moving block 33 is connected and arranged on the first lead screw 31, a mounting frame 34 is connected and arranged below the first moving block 33, a second lead screw 35 is connected and arranged on the mounting frame 34, a second power device 36 is arranged on one side of the mounting frame 34, one end of the second lead screw 35 penetrates through the mounting frame 34 and is connected with the second power device 36, a sixth power cylinder 37 is connected and arranged on the second lead screw 35, a vacuum chuck 38 is arranged on the power output shaft of the sixth power cylinder 37. When the tin on the PCBA board is completed, the first moving block 33 driven by the first power device 32 and the sixth power cylinder 37 driven by the second power device 36 are used to make the sixth power cylinder 37 located above the PCBA board, the PCBA board is adsorbed by the vacuum chuck 38, then the PCBA board is loosened by the clamping mechanism 15, and then the PCBA board is adsorbed and moved to the front of the device by the vacuum chuck 38 on the sixth power cylinder 37 driven by the first power device 32 and the second power device 36, so as to be taken by the operator, thereby reducing the possibility of damaging other components caused by component picking, and improving the yield.

[0034] Further, the power mechanism 14 comprises a stepping motor 39, one end of the second support frame 12 is connected and provided with the stepping motor 39, the other end of the second support frame 12 is connected and provided with a mounting column 40, a first gear 41 is connected and arranged on the power output end of the stepping motor 39, 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 and arranged on the belt 43, and the mounting block 44 is connected with the transverse support plate 13. The first gear 41 is driven to rotate by the stepping motor 39, thereby driving the second gear 42 and the belt 43 to rotate, the belt 43 drives the mounting block 44 to move while rotating, the horizontal movement of the transverse support plate 13 is driven by the mounting block 44, and the structure is reliable.

[0035] Further, the second power cylinder 9 is connected and provided with a limiting frame 45, and the bottom of the limiting frame 45 is connected with the base 1. Through the arrangement of the limiting frame 45, the tin holder box 10 on the second power cylinder 9 can be limited.

[0036] Further, a protective cover 46 is arranged above the second gear 42. Through the arrangement of the protective cover 46, foreign matters can be prevented from falling into the inside of the belt 43, thereby affecting the use of the device.

[0037] Further, 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. Through the arrangement of the ventilation mechanism 49, the exhaust gas in the equipment operation process can be discharged to the exhaust gas treatment chamber, reducing the contact between the exhaust gas and the operator, and being beneficial to the health of the operator.

[0038] Further, the bottom of the base 1 is provided with a bottom adjusting mechanism 50 at the four corners. By adjusting the bottom adjusting mechanism 50, the device can be suitable for uneven operation platforms.

[0039] Further, the side panel of the base 1 is provided with a control button 51. The operator can turn on, stop and emergency stop the equipment through the control button 51.

[0040] Further, the base 1 is provided with a heat dissipation hole 52, which can discharge heat in time and improve the service life of the device.

[0041] Although the present application has been described above with reference to various embodiments, it should be understood that many changes and modifications can be made without departing from the scope of the present application. That is, the methods, systems and devices discussed above are examples. Various configurations can omit, substitute, or add various procedures or components as appropriate. For instance, the methods described can be performed in an order different from that described, and / or various steps can be added, omitted, and / or combined. Also, features described with respect to certain configurations can be combined in various other configurations, for instance, different aspects and elements of the configurations can be combined in a similar manner. Also, technology evolves and, thus, many of the elements are examples and do not limit the scope of the disclosure or claims. One of ordinary skill in the art will readily recognize a variety of ways to implement the application.

[0042] In the description specific details are set forth in order to provide a thorough understanding of the exemplary configurations including implementations. However, configurations can be practiced without these specific details, e.g., well known circuits, processes, algorithms, structures, and techniques have not been shown in detail, in order not to obscure the configurations. The description is only provided to illustrate example configurations and is not intended to limit the scope of the claims, applicability, or configurations. Rather, the above description of the configurations will provide those skilled in the art with an enabling description for implementing the described technology. Various changes can be made to the function and arrangement of elements without departing from the spirit of the disclosure, which is defined by the appended claims.

[0043] In light of the above, it is thus intended that the foregoing detailed description be regarded as illustrative in nature and not as restrictive in nature, and that it be understood that the present application is by no means limited to the specific examples presented herein. These examples are included for illustrative purposes only and represent but one of the numerous embodiments contemplated and covered by this application. Although particular embodiments of the present application have been disclosed in detail herein for the purpose of illustration, it will be understood by one skilled in the art that changes and modifications can be made to the specific embodiment without departing from the spirit and scope of the present application.

Claims

1. A PCBA board automatic tin plating device, characterized in that, The utility model provides a soldering flux feeding box (2) is provided with the soldering flux mechanism (5) on one side, and the soldering flux mechanism (5) includes first power cylinder (6), and first power cylinder (6) is placed in the vertical direction, and the power output end of first power cylinder (6) is connected with the soldering flux bracket box (7) that is arranged, and the soldering flux bracket box (7) is arranged in the soldering flux feeding box (2), and the hot stove (3) is provided with the tin mechanism (8) on one side, and the tin mechanism (8) includes second power cylinder (9), and second power cylinder (9) is placed in the vertical direction, and the power output end of second power cylinder (9) is connected with the tin bracket box (10) that is arranged, and the tin bracket box (10) is arranged in the hot stove (3), and the moving mechanism (4) includes first support frame (11) and second support frame (12), and first support frame (11) and second support frame (12) are spaced apart and arranged in parallel with each other, and the sliding connection of first support frame (11) and second support frame (12) is provided with the cross support plate (13), and the second support frame (12) is provided with the power mechanism (14) for driving the cross support plate (13) to move, and the middle part of cross support plate (13) is provided with the clamping mechanism (15) for clamping PCBA, and the hot stove (3) is provided with the tin mechanism (16) on one side, and the tin mechanism (16) includes guide rail (17), and the sliding block (18) is arranged on the guide rail (17), and the third power cylinder (19) is arranged on one side of the sliding block (18) transversely, and the fourth power cylinder (20) is arranged above the sliding block (18), and the power output end of fourth power cylinder (20) is connected with the tin plate (21) that is arranged, and the tin plate (21) is arranged above the tin bracket box (10). The clamping mechanism (15) includes first clamping mounting plate (22) and second clamping mounting plate (23), and the middle part of first clamping mounting plate (22) and second clamping mounting plate (23) is provided with installation port (24) and installation groove (25), and installation port (24) is connected with cross support plate (13), and the middle part of cross support plate (13) is provided with through slot (26), and the connecting plate (27) is arranged above installation port (24), and the fifth power cylinder (28) is arranged on the connecting plate (27), and the power output end of fifth power cylinder (28) passes through connecting plate (27) and through slot (26) and is arranged in installation groove (25) and is connected with pressing plate (53).

2. The PCBA board automatic tinning device according to claim 1, characterized in that, The middle part of the transverse support plate (13) is connected with a taking mechanism (29), the taking mechanism (29) comprises a connecting frame (30), a first lead screw (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 lead screw (31) penetrates through the connecting frame (30) and is connected with the first power device (32), a first moving block (33) is connected to the first lead screw (31), a mounting frame (34) is connected below the first moving block (33), a second lead screw (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 lead screw (35) penetrates through the mounting frame (34) and is connected with the second power device (36), a sixth power cylinder (37) is connected to the second lead screw (35), a vacuum chuck (38) is arranged on the power output shaft of the sixth power cylinder (37).

3. The PCBA board automatic tinning device according to claim 1, characterized in that, The power mechanism (14) comprises a stepping motor (39), one end of the second support frame (12) is connected with the stepping motor (39), the other end of the second support frame (12) is connected with a mounting column (40), a first gear (41) is connected to the power output end of the stepping motor (39), 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 with the transverse support plate (13).

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

5. The PCBA board automatic tinning device according to claim 3, characterized in that, A protective cover (46) is arranged above the second gear (42).

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

7. The PCBA board automatic tinning device according to claim 1, characterized in that, A bottom adjusting mechanism (50) is arranged at the bottom corners of the base (1).

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

9. The PCBA board automatic tinning device according to claim 1, characterized in that, A heat dissipation hole (52) is arranged on the base (1).

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