PCBA double-sided welding turnover mechanism

Abstract

The utility model relates to PCBA board welding technical field discloses PCBA double -sided welding turnover mechanism, including work rest, the upper end of the inner side of work rest rotatory connection has the turnover frame, and the four corners of the upper end of turnover frame all install the compression mechanism, and are rotatory connected with the turnover mechanism and the guide rod respectively in the front and back sides of the lower end of turnover frame, turnover mechanism includes the rack, and the transmission case of sliding installation in the rack outside, the front end of transmission case is installed with motor, and the output fixed connection of motor has the gear wheel. The utility model discloses through compression mechanism can quickly fix the PCBA board of waiting for welding on the turnover frame, and conveniently take PCBA board, through the rack and guide rod of pulling turnover frame in turnover mechanism, can make the turnover frame upside -down turnover, thereby conveniently welds the both sides of PCBA board, and the stability of turnover frame is good in the process of turning over, and PCBA board is not easy to make the situation of displacement, shaking, and further guarantees the welding quality.

Description

Technical Field

[0001] This utility model relates to the field of PCBA board welding technology, specifically a PCBA double-sided welding flipping mechanism. Background Technology

[0002] In the field of electronics manufacturing, printed circuit board assembly (PCBA) is a crucial link; among them, post-soldering is an important step in the manufacturing process, which has a significant impact on the quality and performance of the product. It achieves highly integrated design, saves space and improves system compactness by directly soldering electronic components onto the PCB. Often, double-sided soldering of the PCB is required, which necessitates flipping the PCB.

[0003] Chinese patent CN214640868U (Authorization Announcement No.: A Flipping Device for Facilitating PCB Soldering) discloses a technology comprising two opposing flipping components, a flipping fixture, and an adsorption device. The two flipping components are respectively positioned on opposite outer sides of a conveying device, and the adsorption device is located in front of the flipping device. Each flipping component includes a mounting post, a rotating shaft on the mounting post, a rotating plate on the rotating shaft, and an upper clamping plate and a lower clamping plate mounted on the same side of the rotating plate. The rotating shaft drives the rotating plate to rotate, and the upper and lower clamping plates move up and down along the rotating plate. The flipping fixture includes a mounting plate and a cover plate. The mounting plate has a stepped hole, and the PCB is mounted on one side of the larger hole in the stepped hole. The mounting plate with the PCB is placed on the conveying device, and the adsorption device transfers the cover plate to cover the stepped hole on the mounting plate outside the PCB. This technology avoids the problem of components becoming loose due to manual flipping, improves product quality and work efficiency, and has strong practicality and promotional value. However, its stability during the flipping process is poor, easily causing the PCB to shift, which in turn affects the subsequent soldering quality. Utility Model Content

[0004] The purpose of this invention is to provide a PCBA double-sided soldering flipping mechanism to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] The PCBA double-sided welding flipping mechanism includes a work frame, a flipping frame rotatably connected to the upper inner side of the work frame, a clamping mechanism installed at each of the four corners of the upper end of the flipping frame, and a flipping mechanism and a guide rod rotatably connected to the front and rear sides of the lower end of the flipping frame, respectively. A guide sleeve is slidably connected to the outer side of the guide rod. The flipping mechanism includes a rack and a transmission box slidably installed on the outer side of the rack. A motor is installed at the front end of the transmission box, and a gear is fixedly connected to the output end of the motor. The gear meshes with the rack, and a lug is fixedly connected to the upper side of one end of the rack.

[0007] As a further improvement of this utility model: slide rails are fixedly connected to both the front and rear sides of the rack, and slide grooves are fixedly connected to both the front and rear ends of the inner sidewall of the transmission box, with the slide rails slidably connected to the corresponding slide grooves.

[0008] As a further embodiment of this utility model: the transmission box is fixedly installed at the front end of the inner side wall of the work frame, and the guide sleeve is fixedly installed at the rear end of the inner side wall of the work frame.

[0009] As a further embodiment of this utility model: the flipping frame includes a flipping frame body, the inner side of the flipping frame body is provided with a positioning groove, and a shaft lug 1 is fixedly connected to the lower end of the front and rear sides of the flipping frame body, and a shaft lug 2 is fixedly connected to the upper end of the front and rear sides of the flipping frame body, a swing arm is rotatably connected to the outer side of the shaft lug 2, and a rotating shaft is rotatably connected to the outer side of the swing arm.

[0010] As a further embodiment of this utility model: the third shaft lug is rotatably connected to one of the first shaft lugs, one end of the guide rod is rotatably connected to the other first shaft lug, and the rotating shaft is rotatably connected to the inner side wall of the work frame.

[0011] As a further embodiment of this utility model: the pressing mechanism includes an electric cylinder one fixedly installed on the flipping frame, the output end of the electric cylinder one is fixedly connected to a fixed seat, the upper end of the fixed seat is through-mounted with an electric cylinder two, and the output end of the electric cylinder two is fixedly connected to a pressure plate to place the PCBA board in the positioning groove.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] This invention uses a clamping mechanism to quickly fix the PCBA board to be welded onto the flipping frame, making it easy to pick up the PCBA board. The flipping frame can be flipped up and down by the rack and guide rod in the flipping mechanism, which facilitates welding on both sides of the PCBA board. The flipping frame is stable during the flipping process and is not prone to displacement or shaking of the PCBA board, thus ensuring the welding quality. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the PCBA double-sided soldering flipping mechanism;

[0015] Figure 2 This is a schematic diagram of the clamping mechanism in the PCBA double-sided soldering flipping mechanism;

[0016] Figure 3 This is a schematic diagram of the flipping mechanism in the PCBA double-sided soldering flipping mechanism;

[0017] Figure 4 This is a partial cross-sectional view of the transmission box in the PCBA double-sided welding flipping mechanism.

[0018] Figure 5 This is a partial structural diagram of the flipping frame in the PCBA double-sided soldering flipping mechanism;

[0019] In the diagram: 1. Work frame; 2. Guide sleeve; 3. Guide rod; 4. Clamping mechanism; 41. Electric cylinder one; 42. Electric cylinder two; 43. Pressure plate; 44. Fixed seat; 5. Tilting frame; 51. Tilting frame body; 52. Positioning groove; 53. Shaft lug one; 54. Shaft lug two; 55. Swing arm; 56. Rotating shaft; 6. Tilting mechanism; 61. Rack; 62. Motor; 63. Transmission box; 64. Slide rail; 65. Shaft lug three; 66. Gear; 67. Slide groove. Detailed Implementation

[0020] Please see Figures 1-5 In this embodiment of the utility model, the PCBA double-sided welding flipping mechanism includes a work frame 1, a flipping frame 5 is rotatably connected to the upper inner side of the work frame 1, a pressing mechanism 4 is installed at each of the four corners of the upper end of the flipping frame 5, and a flipping mechanism 6 and a guide rod 3 are rotatably connected to the front and rear sides of the lower end of the flipping frame 5, respectively, and a guide sleeve 2 is slidably connected to the outer side of the guide rod 3.

[0021] exist Figure 1 and Figure 2 In this mechanism, the clamping mechanism 4 includes an electric cylinder 41 fixedly mounted on the flipping frame 5. The output end of the electric cylinder 41 is fixedly connected to a fixed base 44. An electric cylinder 42 is installed through the upper end of the fixed base 44. The output end of the electric cylinder 42 is fixedly connected to a pressure plate 43. The PCBA board is placed in the positioning groove 52, and the positioning groove 52 supports the four sides of the PCBA board from below. Then, the electric cylinder 41 drives the fixed base 44, the electric cylinder 42 and the pressure plate 43 to move together, moving the pressure plate 43 to the corner of the PCBA board. Then, the electric cylinder 42 drives the pressure plate 43 to move downward. By pressing the pressure plate 43 against the corner of the PCBA board, the PCBA board can be securely fixed in the flipping frame 5, realizing the rapid fixing of the PCBA board and facilitating the removal of the PCBA board.

[0022] exist Figure 3 and Figure 4In the above, the flipping mechanism 6 includes a rack 61 and a transmission box 63 slidably mounted on the outside of the rack 61. A motor 62 is mounted on the front end of the transmission box 63. A gear 66 is fixedly connected to the output end of the motor 62. The gear 66 meshes with the rack 61. A lug 65 is fixedly connected to the upper side of one end of the rack 61. Slide rails 64 are fixedly connected to both the front and rear sides of the rack 61. Slide grooves 67 are fixedly connected to both the front and rear ends of the inner sidewall of the transmission box 63. The slide rails 64 are slidably connected to the corresponding slide grooves 67. The motor 62 drives the gear 66 to rotate. The gear 66 meshes with the rack 61, so that the rack 61 and the slide rails 64 slide horizontally left and right along the slide grooves 67. At the same time, the guide rod 3 slides horizontally left and right through the inner side of the guide sleeve 2. The transmission box 63 is fixedly mounted on the front end of the inner sidewall of the work frame 1, and the guide sleeve 2 is fixedly mounted on the rear end of the inner sidewall of the work frame 1, so that the transmission box 63 and the guide sleeve 2 remain stable.

[0023] exist Figure 3 and Figure 5 In the process, the tilting frame 5 includes a tilting frame body 51. A positioning groove 52 is provided on the inner side of the tilting frame body 51. A first shaft lug 53 is fixedly connected to the lower ends of both the front and rear sides of the tilting frame body 51. A second shaft lug 54 is fixedly connected to the upper ends of both the front and rear sides of the tilting frame body 51. A swing arm 55 is rotatably connected to the outer side of the second shaft lug 54. A rotating shaft 56 is rotatably connected to the outer side of the swing arm 55. A third shaft lug 65 is rotatably connected to one of the first shaft lugs 53. One end of the guide rod 3 is rotatably connected to the other first shaft lug 53. The rotating shaft 56 is rotatably connected to the inner wall of the work frame 1. During the left and right movement of the rack 61, one of the shaft ears 53 is pulled or pushed by the shaft ear 3 65, while the guide rod 3 pulls or pushes the other shaft ear 53. When the shaft ear 53 drives the tilting frame body 51 to move together, the swing arm 55 swings within a certain range with the rotating shaft 56 as the center. The swing arm 55 is rotatably connected to the shaft ear 2 54. Under the restriction of the swing arm 55, the tilting frame body 51 is tilted.

[0024] The working principle of this utility model is as follows: When double-sided soldering of PCBA board is required, first, the PCBA board is placed in the positioning groove 52, and then the electric cylinder 41 is started. The electric cylinder 41 drives the fixed seat 44, the electric cylinder 42 and the pressure plate 43 to move together towards the PCBA board. The pressure plate 43 is moved to the corner of the PCBA board. Then, the electric cylinder 42 is started. The electric cylinder 42 drives the pressure plate 43 to move downward. The pressure plate 43 presses on the corner of the PCBA board, and the PCBA board is firmly fixed in the flipping frame 5.

[0025] At this point, one side of the PCBA board can be welded using an external welding machine. Once the welding of that side is complete, the motor 62 is started, which drives the gear 66 to rotate. The gear 66 meshes with the rack 61, causing the rack 61 and the slide rail 64 to slide horizontally along the slide groove 67. During the horizontal sliding process, the rack 61 pulls the corresponding shaft ear 53 through the shaft ear 3 65. The shaft ear 53 drives the flipping frame body 51 to move together. At the same time, the swing arm 55 rotates within a certain range around the rotating shaft 56. The swing arm 55 is rotatably connected to the shaft ear 2 54. Due to the restriction effect of the swing arm 55, the flipping frame body 51 flips. At this point, the other side of the PCBA board can be welded using an external welding machine.

[0026] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A PCBA double-sided soldering flipping mechanism, comprising a work frame (1), characterized in that, The upper inner side of the work frame (1) is rotatably connected to a flipping frame (5). The four corners of the upper end of the flipping frame (5) are all equipped with clamping mechanisms (4). The front and rear sides of the lower end of the flipping frame (5) are rotatably connected to a flipping mechanism (6) and a guide rod (3). The outer side of the guide rod (3) is slidably connected to a guide sleeve (2). The flipping mechanism (6) includes a rack (61) and a transmission box (63) slidably installed on the outer side of the rack (61). The front end of the transmission box (63) is equipped with a motor (62). The output end of the motor (62) is fixedly connected to a gear (66). The gear (66) meshes with the rack (61). The upper side of one end of the rack (61) is fixedly connected to a shaft lug three (65).

2. The PCBA double-sided soldering flipping mechanism according to claim 1, characterized in that, The rack (61) is fixedly connected to the front and rear sides with slide rails (64), and the inner sidewall of the transmission box (63) is fixedly connected to the front and rear ends with slide grooves (67). The slide rails (64) are slidably connected to the corresponding slide grooves (67).

3. The PCBA double-sided soldering flipping mechanism according to claim 1, characterized in that, The transmission box (63) is fixedly installed at the front end of the inner side wall of the work frame (1), and the guide sleeve (2) is fixedly installed at the rear end of the inner side wall of the work frame (1).

4. The PCBA double-sided soldering flipping mechanism according to claim 1, characterized in that, The flipping frame (5) includes a flipping frame body (51), a positioning groove (52) is provided on the inner side of the flipping frame body (51), and a shaft lug 1 (53) is fixedly connected to the lower end of the front and rear sides of the flipping frame body (51). A shaft lug 2 (54) is fixedly connected to the upper end of the front and rear sides of the flipping frame body (51). A swing arm (55) is rotatably connected to the outer side of the shaft lug 2 (54), and a rotating shaft (56) is rotatably connected to the outer side of the swing arm (55).

5. The PCBA double-sided soldering flipping mechanism according to claim 4, characterized in that, The third lug (65) is rotatably connected to one of the first lugs (53), one end of the guide rod (3) is rotatably connected to the other first lug (53), and the rotating shaft (56) is rotatably connected to the inner wall of the work frame (1).

6. The PCBA double-sided soldering flipping mechanism according to claim 1, characterized in that, The pressing mechanism (4) includes an electric cylinder (41) fixedly installed on the flipping frame (5). The output end of the electric cylinder (41) is fixedly connected to a fixed seat (44). An electric cylinder (42) is installed through the upper end of the fixed seat (44). The output end of the electric cylinder (42) is fixedly connected to a pressure plate (43) to place the PCBA board in the positioning groove (52).

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