CN220697165U - PCB spraying fixture - Google Patents

Abstract

The utility model relates to the technical field of PCB processing, and discloses a PCB spraying clamp which comprises a bottom plate, wherein the upper surface of the bottom plate is fixedly connected with a frame, and the inner side of the frame is provided with a clamping structure. This PCB board spraying anchor clamps drive the bull stick through the motor and rotate, the bull stick then drives the drive wheel and rotate, the drive wheel then drives from the driving wheel through the drive belt and rotate, follow driving wheel and then drive the threaded rod and rotate, threaded rod and then drive screw thread piece downwardly moving, the screw thread piece then drives the slider downwardly moving, the slider then drives the mounting panel downwardly moving, the mounting panel then drives the grip block that corresponds and contacts the PCB board, and the bottom of PCB board contacts with the grip block of downside, and then realize the centre gripping to the PCB board, and buffer the upper and lower both sides of PCB board through the blotter, and provide further buffering for the PCB board through telescopic link and spring, avoid excessive centre gripping to cause the damage to the PCB board.

Description

A PCB board spraying fixture

Technical Field

The utility model relates to the technical field of PCB board processing, specifically a PCB board spraying fixture.

Background technique

PCB board can also be called printed circuit board. It can be divided into single panel, double panel, four-layer board and other multi-layer circuit boards according to the number of circuit board layers. The corresponding selection can be made according to actual needs. PCB boards need to be processed during processing. Carry out spraying.

Clamps are used for fixation during spraying, so the use of clamps is particularly important. However, currently some clamps are only suitable for PCB boards of a single size, and when clamping and fixing the PCB board, it is easy to cause damage to the PCB board. Reduced the effectiveness of the clamp.

Utility Model Content

(1) Technical problems solved

In view of the deficiencies in the prior art, the utility model provides a PCB board spraying fixture, which has the advantages of being suitable for PCB boards of different sizes and avoiding damage to the PCB boards caused by excessive clamping, and solves the problem that some fixtures are only suitable for PCB boards of a single size and excessive clamping can easily cause damage to the PCB boards.

(2) Technical solutions

In order to achieve the above-mentioned purpose of being suitable for PCB boards of different sizes and avoiding damage to the PCB board caused by excessive clamping, the utility model provides the following technical solution: a PCB board spraying fixture, including a base plate, the upper surface of which is fixedly connected with A frame, a clamping structure is provided on the inside of the frame;

The clamping structure includes a threaded rod rotatably connected to the inner bottom wall of the frame. The top end of the threaded rod is fixedly connected to a driven wheel. The outer surface of the driven wheel is drivingly connected to a transmission belt. The left end of the driving belt is drivingly connected to a transmission belt. wheel, a rotating rod is fixedly connected to the inside of the center of the circle of the transmission wheel, the bottom end of the rotating rod is fixedly connected to the output shaft of the motor, a threaded block is threadedly connected to the outside of the threaded rod, and the right side of the threaded block is fixed A slider is connected to the right side of the slider and a mounting plate is fixedly connected to it. The inside of the mounting plate is slidingly connected to a first sliding rod. The upper surface of the bottom plate and the bottom of the mounting plate are both fixedly connected to telescopic rods. The opposite ends of each of the telescopic rod piston rods are fixedly connected with connecting plates, the inner sides of the two connecting plates are slidingly connected with second sliding rods, and the opposite sides of the two connecting plates are fixedly connected with connecting rods. , The outer sides of the two connecting rods are slidingly connected to the frame, and the opposite ends of the two connecting rods are fixedly connected to the clamping plate.

Further, the threaded block is located inside the frame, the threaded block is rectangular, the length of the threaded block is equal to the distance between the inner left side wall and the inner right side wall of the frame, and the width of the threaded block is equal to the inner front side of the frame The distance between the wall and the inner posterior lateral wall.

Further, the top end of the threaded rod penetrates the threaded block and the inner top wall of the frame in sequence and extends to the inside of the center of the transmission wheel to be fixedly connected to the transmission wheel.

Further, a motor frame is fixedly connected to the outside of the motor, and the motor frame is fixedly connected to the upper surface of the base plate, and the bottom end of the first slide rod is fixedly connected to the upper surface of the base plate.

Further, a sliding opening is provided on the right side wall of the frame, and the sliding opening is adapted to the sliding block. The sliding block is slidably connected to the frame through the sliding opening.

Further, the outer sides of the two telescopic rods are covered with springs, and the opposite sides of the two clamping plates are fixedly connected with buffer pads.

Furthermore, the upper frame is fixedly connected to the bottom of the mounting plate, and the lower frame is fixedly connected to the upper surface of the base plate.

(3) Beneficial effects

Compared with the existing technology, this utility model provides a PCB board spraying fixture, which has the following beneficial effects:

The PCB board spraying fixture uses a motor to drive the rotating rod to rotate. The rotating rod drives the transmission wheel to rotate. The transmission wheel drives the driven wheel to rotate through the transmission belt. The driven wheel drives the threaded rod to rotate. The threaded rod drives the threaded block to move downward. The block then drives the slider to move downward, and the slider drives the mounting plate to move downward. The mounting plate then drives the corresponding clamping plate to contact the PCB board, and the bottom of the PCB board is in contact with the lower clamping plate. Then the PCB board is clamped, and the upper and lower sides of the PCB board are buffered by buffer pads, and the telescopic rod and spring are used to provide further buffering for the PCB board to avoid damage to the PCB board caused by excessive clamping.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model;

FIG2 is a partial enlarged schematic diagram of portion A in FIG1 ;

Figure 3 is a schematic front view of the structure of the present utility model.

In the picture: 1. Base plate; 2. Frame; 3. Threaded rod; 4. Driven wheel; 5. Transmission belt; 6. Transmission wheel; 7. Rotating rod; 8. Motor; 9. Threaded block; 10. Slider; 11 , mounting plate; 12. first sliding rod; 13. telescopic rod; 14. connecting plate; 15. second sliding rod; 16. connecting rod; 17. frame; 18. clamping plate.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Please refer to Figures 1-3. The present utility model provides a technical solution: a PCB board spraying fixture, which includes a base plate 1. A frame 2 is fixedly connected to the upper surface of the base plate 1, and a clamping structure is provided on the inside of the frame 2.

As shown in Figure 1, the clamping structure includes a threaded rod 3 that is rotatably connected to the inner bottom wall of the frame 2. The top end of the threaded rod 3 is fixedly connected with a driven wheel 4, and the outer surface of the driven wheel 4 is drivingly connected with a transmission belt 5. The transmission belt 5 There is a transmission wheel 6 connected to the left end. The inside of the center of the circle of the transmission wheel 6 is fixedly connected with a rotating rod 7. The bottom end of the rotating rod 7 is fixedly connected with the output shaft of the motor 8. The outside of the threaded rod 3 is threadedly connected with a threaded block 9. The threaded block The right side of 9 is fixedly connected with the slider 10. The right side of the slider 10 is fixedly connected with the mounting plate 11. The inside of the mounting plate 11 is slidingly connected with the first slide bar 12. The upper surface of the base plate 1 and the bottom of the mounting plate 11 are both fixed. A telescopic rod 13 is connected. The opposite ends of the piston rods of the two telescopic rods 13 are fixedly connected to a connecting plate 14. The inner sides of the two connecting plates 14 are slidingly connected to a second sliding rod 15. The inner sides of the connecting plate 14 are slidingly connected to two sliding rods 15. and the two second sliding rods 15 are located on the left and right sides of the telescopic rod 13 respectively. The opposite sides of the two connecting plates 14 are fixedly connected with connecting rods 16, and the two connecting rods 16 are fixedly connected to each other. A frame 17 is slidably connected to the outside, and a clamping plate 18 is fixedly connected to the opposite end of the two connecting rods 16. The two clamping plates 18 correspond up and down.

It should be noted that the threaded block 9 is located inside the frame 2, the threaded block 9 is rectangular, and the length of the threaded block 9 is equal to the distance between the left side wall and the inner right side wall of the frame 2, and the width of the threaded block 9 is equal to The distance between the inner front side wall and the inner rear side wall of the frame 2, the top end of the threaded rod 3 passes through the threaded block 9 and the inner top wall of the frame 2 in turn and extends to the inside of the center of the transmission wheel 6 to be fixedly connected to the transmission wheel 6. The motor A motor frame is fixedly connected to the outside of 8, and the motor frame is fixedly connected to the upper surface of the base plate 1. The bottom end of the first slide rod 12 is fixedly connected to the upper surface of the base plate 1. A slide opening is provided on the right side wall of the frame 2, and The slide port is adapted to the slide block 10, and the slide block 10 is slidingly connected to the frame 2 through the slide port. The outsides of the two telescopic rods 13 are covered with springs, and the opposite sides of the two clamping plates 18 are fixedly connected with buffer pads. , the upper frame 17 is fixedly connected to the bottom of the installation plate 11, the lower frame 17 is fixedly connected to the upper surface of the base plate 1, the top of the upper second slide rod 15 is fixedly connected to the bottom of the installation plate 11, and the bottom end is fixedly connected to the bottom of the installation plate 11. The inner bottom wall of the upper frame 17 is fixedly connected. The top end of the lower second sliding rod 15 is fixedly connected to the inner top wall of the lower frame 17 and the bottom end is fixedly connected to the upper surface of the bottom plate 1 .

The working principle of the above embodiment is:

The motor 8 drives the rotating rod 7 to rotate, and the rotating rod 7 in turn drives the transmission wheel 6 to rotate, and the transmission wheel 6 in turn drives the driven wheel 4 to rotate through the transmission belt 5, and the driven wheel 4 in turn drives the threaded rod 3 to rotate, and the threaded rod 3 in turn drives the threaded block 9 to move downward, and the threaded block 9 in turn drives the slider 10 to move downward, and the slider 10 in turn drives the mounting plate 11 to move downward, and the mounting plate 11 in turn drives the corresponding clamping plate 18 to contact the PCB board, and the bottom of the PCB board contacts the clamping plate 18 on the lower side, so as to clamp the PCB board, and the upper and lower sides of the PCB board are buffered by the buffer pad, and the telescopic rod 13 and the spring provide further buffering for the PCB board to avoid damage to the PCB board caused by excessive clamping.

The electrical components appearing in the article are all electrically connected to the main controller and the power supply. The main controller can be a conventional known device for control such as a computer, and the existing public power connection technology will not be described in detail in the article.

It should be noted that the terms "comprises," "comprises" or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements not only includes those elements, but also includes none. Other elements expressly listed, or elements inherent to such process, method, article or equipment. Without further limitation, an element defined by the statement "comprises a..." does not exclude the presence of additional identical elements in a process, method, article, or apparatus that includes the stated element.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention. , substitutions and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. The utility model provides a PCB board spraying anchor clamps, includes bottom plate (1), its characterized in that: the upper surface of the bottom plate (1) is fixedly connected with a frame (2), and the inner side of the frame (2) is provided with a clamping structure;

the clamping structure comprises a threaded rod (3) which is rotationally connected to the inner bottom wall of a frame (2), the top end of the threaded rod (3) is fixedly connected with a driven wheel (4), the outer surface transmission of the driven wheel (4) is connected with a transmission belt (5), the left end transmission of the transmission belt (5) is connected with a transmission wheel (6), the inner side of the circle center of the transmission wheel (6) is fixedly connected with a rotating rod (7), the bottom end of the rotating rod (7) is fixedly connected with the output shaft of a motor (8), the outer side of the threaded rod (3) is in threaded connection with a threaded block (9), the right side of the threaded block (9) is fixedly connected with a sliding block (10) the right side of the sliding block (10) is fixedly connected with a mounting plate (11), the inner side of the mounting plate (11) is in sliding connection with a first sliding rod (12), the upper surface of the bottom plate (1) is fixedly connected with a telescopic rod (13) at the bottom of the mounting plate (11), the opposite ends of the piston rods of the two telescopic rods (13) are fixedly connected with connecting plates (14), the inner sides of the two connecting plates (14) are in sliding connection with a second sliding rod (15), the two connecting rods (16) are in sliding connection with the two connecting rods (16) at one side of the two connecting rods (16), the opposite ends of the two connecting rods (16) are fixedly connected with clamping plates (18).

2. The PCB board spraying fixture of claim 1, wherein: the screw thread piece (9) is located the inboard of frame (2), screw thread piece (9) are the rectangle, and the length of screw thread piece (9) equals the distance between left side wall and the interior right side wall in frame (2), and the width of screw thread piece (9) equals the distance between preceding lateral wall in frame (2) and the interior back lateral wall.

3. The PCB board spraying fixture of claim 1, wherein: the top end of the threaded rod (3) sequentially penetrates through the threaded block (9) and the inner top wall of the frame (2) and extends to the inner side of the circle center of the driving wheel (6) to be fixedly connected with the driving wheel (6).

4. The PCB board spraying fixture of claim 1, wherein: the motor frame is fixedly connected to the outer side of the motor (8), the motor frame is fixedly connected to the upper surface of the bottom plate (1), and the bottom end of the first sliding rod (12) is fixedly connected with the upper surface of the bottom plate (1).

5. The PCB board spraying fixture of claim 1, wherein: the sliding opening is formed in the right side wall of the frame (2), the sliding opening is matched with the sliding block (10), and the sliding block (10) is in sliding connection with the frame (2) through the sliding opening.

6. The PCB board spraying fixture of claim 1, wherein: the outer sides of the two telescopic rods (13) are sleeved with springs, and the opposite sides of the two clamping plates (18) are fixedly connected with buffer cushions.

7. The PCB board spraying fixture of claim 1, wherein: the upper side frame body (17) is fixedly connected to the bottom of the mounting plate (11), and the lower side frame body (17) is fixedly connected to the upper surface of the bottom plate (1).