Circuit board patch solder paste smearing device

Abstract

The utility model discloses a circuit board patch solder paste smearing device which comprises a master console, the upper side of the master console is fixedly connected with a front-back moving device and a supporting frame, the upper side of the supporting frame is provided with an opening, the supporting frame located on the two sides of the opening is provided with clamping grooves, and the upper side of the front-back moving device is provided with a processing table. The machining table is located under the supporting frame, first motors are fixedly connected to the two ends of the upper side of the supporting frame, sliding grooves are formed in the opposite sides in the supporting frame, screw rods are rotationally connected into the sliding grooves, the output ends of the first motors are fixedly connected with the upper ends of the screw rods, and a supporting plate is in threaded connection between the screw rods on the two sides. And a smearing device is clamped on the supporting plate. By means of the structure, solder paste is smeared more evenly, meanwhile, the brushing box is convenient to clean, operation is convenient and fast, and next-time use is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board processing, in particular to a circuit board patch solder paste smearing device. Background Art

[0002] Circuit board can be called printed circuit board or printed circuit board, PCB, (Flexible Printed Circuitboard) FPC circuit board (FPC circuit board is also called flexible circuit board. Flexible circuit board is made of polyimide or polyester film as a substrate. It is a highly reliable and excellently flexible printed circuit board. It has the characteristics of high wiring density, light weight, thin thickness and good bending properties. In the process of circuit board processing, it is necessary to carry out; solder paste is a paste mixture formed by mixing solder powder, flux and other surfactants, thixotropic agents, etc. It is mainly used for the welding of electronic components such as PCB surface resistors, capacitors, ICs, etc. in the SMT industry;

[0003] When applying for a patent, a Chinese patent with patent number CN202222595351.4 was found through searching: A new type of automatic solder paste device for circuit boards, including a main console, a bracket installed on the main console, an adjustment component on one side of the bracket, a front and rear walking mechanism on the bottom of the adjustment component, an up and down walking mechanism on one side of the bracket, a storage box bolted to the side of the bracket away from the up and down walking mechanism, a partition embedded in the storage box, a delivery pump bolted to the bottom of the storage box cavity on the partition, a water pumping end of the delivery pump connected to the partition, a water outlet end of the delivery pump penetrates to one side of the partition and is connected to a collection pipe, and the surface of the collection pipe is connected to four delivery pipes, and one end of the delivery pipe away from the collection pipe penetrates to the top of the storage box and is connected to a solder paste gun. Although the device can work on multiple circuit boards at the same time, the uniformity of solder paste application is not high when it is welded with other components later. At the same time, after the application is completed, the solder paste application device is not convenient to replace and clean, which affects the next use, so it needs to be improved. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a circuit board patch solder paste smearing device, which solves the problems of uneven smearing and inconvenient replacement and cleaning.

[0005] The utility model also provides a circuit board patch solder paste smearing device as mentioned above, including a main console, a front-and-rear moving device and a support frame fixedly connected on the upper side of the main console, an opening is provided on the upper side of the support frame, and card slots are provided on the support frame located on both sides of the opening, a processing table is provided on the upper side of the front-and-rear moving device, and the processing table is located directly below the support frame, a first motor is fixedly connected to the two ends of the upper side of the support frame, a slide groove is provided on the opposite side of the support frame, a screw rod is rotatably connected in the slide groove, the output end of the first motor is fixedly connected to the upper end of the screw, a support plate is threadedly connected between the screws on both sides, and a smearing device is clamped on the support plate.

[0006] According to the circuit board patch solder paste coating device, the coating device includes a brush box, the front and rear sides of the brush box are fixedly connected with clamping columns, and the upper side is provided with a sealing cover, the lower side of the brush box is rotatably connected with a brush roller, and the front side is provided with an observation port.

[0007] According to the circuit board patch solder paste coating device, a limiting groove is provided on the support plate, and the lower end of the coating box is located in the limiting groove.

[0008] According to the circuit board patch solder paste coating device, the clamping post is slidably connected to the clamping slot and is located in the clamping slot.

[0009] According to the circuit board patch solder paste smearing device, the forward and backward moving device includes a second motor and a slide rail, a reciprocating screw is rotatably connected inside the slide rail, the second motor is located at the front end of the slide rail, and the output end is fixedly connected to the reciprocating screw, and the reciprocating screw is threadedly connected to the processing table.

[0010] According to the circuit board patch solder paste coating device, there are five coating boxes, which are evenly distributed on the support plate, and five mounting slots are provided on the processing table, which correspond to the coating boxes one by one.

[0011] According to the circuit board patch solder paste coating device, a control device is provided on the front side of the main console.

[0012] The utility model has the following beneficial effects:

[0013] 1. In the utility model, a brush box and a brush roller are provided on the support plate, and the circuit board patch is brushed by the brush roller, so that the solder paste is applied more evenly than before.

[0014] 2. In the utility model, by providing a limit groove and a card slot on the support plate and the support frame respectively, the paint brush box is detachably connected through the limit groove and the card slot. Compared with before, it is convenient to clean the paint brush box, the operation is convenient, and it is helpful for the next use.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 This is a structural diagram of a circuit board patch solder paste coating device of the utility model;

[0018] Figure 2 This is a structural diagram of a coating device for a circuit board patch solder paste coating device of the utility model;

[0019] Figure 3 This is a structural diagram of a support plate of a circuit board patch solder paste coating device of the utility model;

[0020] Figure 4 for Figure 1 A magnified view of the structure at center A;

[0021] Figure 5 for Figure 1 A magnified view of the structure at point B.

[0022] Legend:

[0023] 1. Main console; 2. Support frame; 21. Slide; 22. Screw; 3. Opening; 4. Coating device; 41. Brush box; 42. Sealing cover; 43. Snap-on column; 44. Brush roller; 45. Observation port; 5. First motor; 6. Support plate; 61. Limiting groove; 7. Second motor; 8. Slide rail; 9. Reciprocating screw; 10. Processing table; 11. Slot. DETAILED DESCRIPTION

[0024] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0025] Reference Figure 1-5, the utility model embodiment is a circuit board patch solder paste coating device, which includes a main console 1, a control device is provided on the front side of the main console 1, and a first motor 5 and a second motor 7 can be adjusted by the control device. A forward and backward moving device and a support frame 2 are fixedly connected on the upper side of the main console 1, an opening 3 is provided on the upper side of the support frame 2, and a card slot 11 is provided on the support frame 2 on both sides of the opening 3, and the card slot 11 is used to limit the brush box 41, and a processing table 10 is provided on the upper side of the forward and backward moving device, and the processing table 10 is located directly below the support frame 2. The forward and backward moving device includes a second motor 7 and a slide rail 8, and a reciprocating screw 9 is rotatably connected in the slide rail 8. The second motor 7 is located at the front end of the slide rail 8, and the output end is fixedly connected to the reciprocating screw 9, and the reciprocating screw 9 is threadedly connected to the processing table 10, and the processing table 10 is provided with five mounting slots, which correspond to the brush boxes 41 one by one;

[0026] The first motor 5 is fixedly connected to both ends of the upper side of the support frame 2, and a slide groove 21 is provided on the opposite side of the support frame 2. A screw 22 is rotatably connected in the slide groove 21. The output end of the first motor 5 is fixedly connected to the upper end of the screw 22. A support plate 6 is threadedly connected between the screws 22 on both sides. A coating device 4 is clamped on the support plate 6. A limiting groove 61 is provided on the support plate 6. The lower end of the paint brush box 41 is located in the limiting groove 61. The paint brush box 41 can be taken out from the limiting groove 61, which is convenient for cleaning the paint brush box 41. The operation is convenient and helpful for the next use.

[0027] The coating device 4 includes a coating brush box 41. There are five coating brush boxes 41, which are evenly distributed on the support plate 6. The front and rear sides of the coating brush box 41 are fixedly connected with clamping columns 43, and a sealing cover 42 is provided on the upper side. The clamping column 43 is slidably connected to the card slot 11 and is located in the card slot 11. The lower side of the coating brush box 41 is rotatably connected with a coating brush roller 44, and an observation port 45 is provided on the front side to facilitate observation of the amount of solder paste in the coating brush box 41. The circuit board patch is coated with solder paste through the coating brush roller 44 to make the coating more even.

[0028] Working principle: When in use, power on the device, then place multiple circuit boards in the mounting grooves on the processing table 10, start the first motor 5, the first motor 5 drives the screw 22 to rotate, so that the support plate 6 descends, and the brush rollers 44 on the multiple coating devices 4 are adjusted to the positions where the circuit boards need to be coated with solder paste, and then the solder paste is added to the brush box 41, and then start the second motor 7, the second motor 7 drives the circuit board to move, and with the cooperation of the brush roller 44, it is convenient to coat the circuit board with solder paste; after the coating is completed, the brush box 41 is manually removed from the opening 3 to facilitate cleaning of the brush box 41, which is convenient to operate and helps with the next use.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A circuit board patch solder paste coating device, characterized in that: include: A main control table (1), wherein a forward and backward moving device and a support frame (2) are fixedly connected on the upper side of the main control table (1), an opening (3) is provided on the upper side of the support frame (2), and a card slot (11) is provided on the support frame (2) on both sides of the opening (3), a processing table (10) is provided on the upper side of the forward and backward moving device, and the processing table (10) is located directly below the support frame (2), a first motor (5) is fixedly connected to both ends of the upper side of the support frame (2), a slide groove (21) is provided on the opposite side of the support frame (2), a screw rod (22) is rotatably connected in the slide groove (21), an output end of the first motor (5) is fixedly connected to the upper end of the screw rod (22), a support plate (6) is threadedly connected between the screw rods (22) on both sides, and a coating device (4) is carded on the support plate (6).

2. A circuit board patch solder paste coating device according to claim 1, characterized in that: The coating device (4) comprises a coating brush box (41), the front and rear sides of the coating brush box (41) are fixedly connected with clamping columns (43), and the upper side is provided with a sealing cover (42), the lower side of the coating brush box (41) is rotatably connected with a coating brush roller (44), and the front side is provided with an observation port (45).

3. A circuit board patch solder paste coating device according to claim 2, characterized in that: The support plate (6) is provided with a limiting groove (61), and the lower end of the paint brush box (41) is located in the limiting groove (61).

4. A circuit board patch solder paste coating device according to claim 3, characterized in that: The clamping column (43) is slidably connected to the clamping slot (11) and is located in the clamping slot (11).

5. A circuit board patch solder paste coating device according to claim 4, characterized in that: The forward and backward moving device comprises a second motor (7) and a slide rail (8), a reciprocating screw rod (9) is rotatably connected inside the slide rail (8), the second motor (7) is located at the front end of the slide rail (8), and the output end is fixedly connected to the reciprocating screw rod (9), and the reciprocating screw rod (9) is threadedly connected to the processing table (10).

6. A circuit board patch solder paste coating device according to claim 5, characterized in that: There are five paint brush boxes (41) evenly distributed on the support plate (6); the processing table (10) is provided with five installation slots corresponding to the paint brush boxes (41) one by one.

7. A circuit board patch solder paste coating device according to claim 6, characterized in that: The front side of the main console (1) is provided with a control device.

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