Portable PCB burning jig

Abstract

The utility model relates to the technical field of burning jigs, and discloses a portable PCB burning jig which comprises a base, an adjusting groove is formed in the upper portion of the base, a cavity is formed in the middle of the base, a first fixing plate is fixedly connected to the lower portion of the inner wall of one end of the cavity, and two sliding rods are fixedly connected to the middle of the inner wall of one end of the cavity. The lower end surface of the first fixing plate is fixedly connected with an air cylinder, the output end of the air cylinder is fixedly connected with a second connecting plate, the upper end surface of the second connecting plate is fixedly connected with a first sliding plate, one side of the upper end surface of the first sliding plate is fixedly connected with a sliding block, and the upper end surface of the sliding block is fixedly connected with a rack; and one side of the rack is in engaged connection with the outer side of the gear, and the middle of the upper end surface of the first sliding plate is fixedly connected with a second sliding plate. According to the PCB limiting device, through the arrangement of the air cylinder, the first sliding plate, the second sliding plate, the gear and the rack, manpower is saved, and the PCB is limited more accurately.

Description

Technical Field

[0001] The utility model relates to the technical field of burning jigs, in particular to a portable burning jig for PCB boards. Background Art

[0002] A PCB burning fixture is a tool used for burning (programming) on ​​PCB boards. It usually includes a fixed fixture or fixture system to fix the PCB board in the correct position and ensure that it has good contact with the burning equipment. In addition, the burning fixture may also include some auxiliary functions, such as power supply, communication interface, etc., to connect and control with the burning equipment. By using a burning fixture, the accuracy and efficiency of burning can be improved, ensuring that the program or data on the PCB board is written or programmed correctly.

[0003] After searching, a burning fixture is disclosed in the announcement number: CN217011317U, including a burning device body and a base, a placement slot is provided on the upper surface of the base, an adjustment slot and a mounting slot are provided inside the base, a roller is provided inside the mounting slot and is rotatably connected to the inside of the mounting slot through a rotating rod, the placement slot and the adjustment slot are connected through a limit slot, a pull plate 1 and a pull plate 2 are provided inside the limit slot, both of which are slidably connected to the limit slot, the upper surfaces of the pull plates 1 and 2 are fixedly connected to a rubber plate slidably connected to the inside of the placement slot, and a limit rod that penetrates the pull plates 1 and 2 and is slidably connected to the penetration part is fixedly connected inside the adjustment slot. The burning fixture described in the utility model can better limit and fix the circuit board being burned, avoiding the movement of the circuit board during the burning process and affecting the burning operation.

[0004] In the above application, it is necessary to manually pull the pull ring to adjust the limit device, which wastes physical strength and is difficult to control. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a portable PCB board burning fixture, which aims to improve the problem that the limit device needs to be pulled manually, which is not only laborious but also difficult to control.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a portable PCB board burning fixture, comprising a base, an adjusting slot is provided on the upper part of the base, a cavity is provided in the middle part of the base, two sliding rods are fixedly connected to the middle part of the inner wall at one end of the cavity, the sliding rods are slidably connected to the sliding block, the lower end surface of the sliding block is fixedly connected to the first sliding plate, the lower part of the inner wall at one end of the cavity is fixedly connected to the first fixed plate, the lower end surface of the first fixed plate is fixedly connected to the cylinder, the output end of the cylinder is fixedly connected to the second connecting plate, the upper end surface of the second connecting plate is fixedly connected to a first sliding plate, the upper end surface of the sliding block is fixedly connected to a rack, one side of the rack is meshed with the outer side of the gear, the middle part of the upper end surface of the first sliding plate is fixedly connected to the second sliding plate, the second sliding plate is partially arranged in the adjusting slot, the upper surface of one end of the base is fixedly connected to the burning device body, and a lifting component is arranged on the surface of one end of the burning device body.

[0007] Preferably, the lifting assembly includes a first motor, a first sprocket, a chain, a second sprocket, a screw and a mounting plate; the upper surface of one end of the burning device body is fixedly connected to the first motor, the output end of the first motor is fixedly connected to the second sprocket, the second sprocket is connected to the first sprocket via a chain, the surface of one end of the first sprocket is fixedly connected to the screw, a mounting plate is installed in the middle of the screw, and the surface of one end of the mounting plate is fixedly connected to the burning plate.

[0008] Preferably, the upper surface of one end of the second sliding plate is fixedly connected to the second fixed plate, the surface of one end of the second fixed plate is fixedly connected to the second motor, the output end of the second motor is fixedly connected to the rotating shaft, the two side edges of the rotating shaft are fixedly connected to the rotating plate, and the surface of one end of the rotating plate is fixedly connected to the clamping plate.

[0009] Preferably, both sides of the surface of one end of the base are fixedly connected to lifting plates, and the lifting plates are arranged on one side of the adjusting groove.

[0010] Preferably, the lower end surface of the cylindrical rod of the gear is fixedly connected to the middle part of the upper end surface of the first fixed plate, and the rack is arranged on one side of the second sliding plate.

[0011] Preferably, one end surface of the burning device body away from the first motor is fixedly connected to the first connecting plate, and one end surface of the first connecting plate is rotatably connected to the first sprocket.

[0012] Preferably, a burning plate is arranged directly above the adjusting slot.

[0013] Preferably, one end surface of the clamping plate is fixedly connected to an anti-slip pad.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, through the arrangement of the cylinder, the first sliding plate, the second sliding plate, the gear and the rack, the cylinder drives the second connecting plate to move horizontally, thereby driving the horizontal movement of the first sliding plate, the sliding block, the second sliding plate and the rack, and the rack drives the gear to rotate, thereby driving another rack, another sliding block, another first sliding plate and another sliding plate to move horizontally relative to each other, thereby horizontally clamping the PCB board. This device only needs to control the cylinder to clamp the PCB board to prevent the PCB board from moving during the burning process. The device saves manpower and restricts the PCB board more accurately.

[0016] 2. In the utility model, through the arrangement of the first motor, the first sprocket, the second sprocket, the chain and the lead screw, the first motor drives the second sprocket, and the rotation of the lead screw is controlled by the chain and the first sprocket, thereby controlling the lifting of the burning board. The device can replace the traditional pressing device to control the lifting of the burning board, and the device can burn the PCB board more accurately.

[0017] 3. In the utility model, through the arrangement of the second motor, the rotating shaft and the rotating plate, the second motor drives the rotating shaft and the two rotating plates to flip, thereby flipping the clamping frame, and then flipping the PCB board. Since this device is arranged on the clamping plate, it avoids manual flipping of the PCB board, and then burning the other side of the PCB board. The device is more efficient and saves time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional structural diagram of a portable PCB board burning fixture proposed by the utility model;

[0019] Figure 2 Another stereoscopic diagram of a portable PCB board burning fixture proposed by the utility model;

[0020] Figure 3 This is a front cross-sectional view of the base of a portable PCB board burning fixture proposed by the utility model;

[0021] Figure 4 This is a three-dimensional structural diagram of a clamping component of a portable PCB board burning fixture proposed by the utility model.

[0022] Legend:

[0023] 1. Burning device body; 2. First connecting plate; 3. Mounting plate; 4. Screw rod; 5. First sprocket; 6. Chain; 7. Second sprocket; 8. Burning plate; 9. Lifting plate; 10. Base; 11. Adjusting slot; 12. First motor; 13. Cavity; 14. Cylinder; 15. First fixed plate; 16. Second connecting plate; 17. Sliding block; 18. Gear; 19. First sliding plate; 20. Sliding rod; 21. Rack; 22. Second motor; 23. Rotating shaft; 24. Rotating plate; 25. Second sliding plate; 26. Second fixed plate; 27. Clamping plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Reference Figure 1 , Figure 3 and Figure 4 The utility model provides an embodiment: a portable PCB board burning fixture, including a base 10, an adjusting groove 11 is provided on the upper part of the base 10, a cavity 13 is provided in the middle part of the base 10, two sliding rods 20 are fixedly connected to the middle part of the inner wall of one end of the cavity 13, the sliding rod 20 is slidably connected to the sliding block 17, the lower end surface of the sliding block 17 is fixedly connected to the first sliding plate 19, the lower part of the inner wall of one end of the cavity 13 is fixedly connected to the first fixed plate 15, the lower end surface of the first fixed plate 15 is fixedly connected to the cylinder 14, the output end of the cylinder 14 is fixedly connected to the second connecting plate 16, the upper end surface of the second connecting plate 16 is fixedly connected to a first sliding plate 19, the upper end surface of the sliding block 17 is fixedly connected to a rack 21, one side of the rack 21 is meshed with the outer side of the gear 18, the middle part of the upper end surface of the first sliding plate 19 is fixedly connected to the second sliding plate 25, and the second sliding plate 25 is partially arranged in the adjusting groove 11, the upper surface of one end of the base 10 is fixedly connected to the burning device body 1, and a lifting component is arranged on the surface of one end of the burning device body 1. The cylinder 14 drives the second connecting plate 16 to move horizontally, thereby driving the first sliding plate 19, the sliding block 17, the second sliding plate 25 and the rack 21 to move horizontally, and the rack 21 drives the gear 18 to rotate, thereby driving another rack 21, another sliding block 17, another first sliding plate 19 and another second sliding plate 25 to move horizontally relative to each other, thereby horizontally clamping the PCB board. This device only needs to control the cylinder 14 to clamp the PCB board to prevent the PCB board from moving during the burning process. The device saves manpower and restricts the PCB board more accurately.

[0026] Reference Figure 1 and Figure 2 The lifting assembly includes a first motor 12, a first sprocket 5, a chain 6, a second sprocket 7, a screw rod 4 and a mounting plate 3. The upper surface of one end of the burning device body 1 is fixedly connected to the first motor 12, the output end of the first motor 12 is fixedly connected to the second sprocket 7, the second sprocket 7 is connected to the first sprocket 5 through the chain 6, the surface of one end of the first sprocket 5 is fixedly connected to the screw rod 4, the middle of the screw rod 4 is installed with the mounting plate 3, and the surface of one end of the mounting plate 3 is fixedly connected to the burning board 8. The first motor 12 drives the second sprocket 7, and controls the rotation of the screw rod 4 through the chain 6 and the first sprocket 5, thereby controlling the lifting of the burning board 8. The device can replace the traditional pressing device to control the lifting of the burning board 8, and the device can burn the PCB board more accurately.

[0027] Reference Figure 3 and Figure 4 The upper surface of one end of the second sliding plate 25 is fixedly connected to the second fixed plate 26, one end surface of the second fixed plate 26 is fixedly connected to the second motor 22, the output end of the second motor 22 is fixedly connected to the rotating shaft 23, the two side edges of the rotating shaft 23 are fixedly connected to the rotating plate 24, and one end surface of the rotating plate 24 is fixedly connected to the clamping plate 27. The second motor 22 is a servo motor, and the second motor 22 drives the rotating shaft 23 and the two rotating plates 24 to flip, thereby flipping the clamping plate 27, and then flipping the PCB board. This device does not require manpower to flip the PCB board to burn the other side of the PCB board, and the device is more efficient, saving time and labor.

[0028] Reference Figure 1 , both sides of one end surface of the base 10 are fixedly connected to the lifting plate 9, and the lifting plate 9 is arranged on one side of the adjustment groove 11. The arrangement of the lifting plate 9 can facilitate the movement of the entire device to achieve the effect of portability.

[0029] Reference Figure 3 and Figure 4 The cylindrical rod lower end surface of the gear 18 is fixedly connected to the middle of the upper end surface of the first fixed plate 15, and the rack 21 is arranged on one side of the second sliding plate 25. This purpose prevents the gear 18 from moving.

[0030] Reference Figure 1 , Figure 2 One end surface of the burning device body 1 away from the first motor 12 is fixedly connected to the first connecting plate 2 , and one end surface of the first connecting plate 2 is rotatably connected to the first sprocket 5 .

[0031] Reference Figure 1 , the burning board 8 is arranged just above the adjusting slot 11. This purpose is for the burning board 8 to burn the PCB board better.

[0032] Reference Figure 1 , Figure 4The anti-skid pad is fixedly connected to one end surface of the clamping plate 27. The purpose is not only to prevent the PCB from sliding off, but also to avoid damage caused by excessive squeezing of the PCB.

[0033] Working principle: first put the PCB board between the clamping plates 27, start the cylinder 14, the cylinder 14 drives the second connecting plate 16 to move horizontally, thereby driving the first sliding plate 19, the sliding block 17, the second sliding plate 25 and the rack 21 to move horizontally, and the rack 21 drives the gear 18 to rotate, thereby driving another rack 21, another sliding block 17, another first sliding plate 19 and another second sliding plate 25 to move relatively horizontally, thereby horizontally clamping the PCB board, and then start the first motor 12, the first motor 12 drives the second sprocket 7, and controls the rotation of the screw rod 4 through the chain 6 and the first sprocket 5, thereby controlling the lifting of the burning plate 8, and the burning plate 8 can be started to burn the PCB board. After burning one side of the PCB board, the second motor 22 drives the rotation of the rotating shaft 23 and the two rotating plates 24, thereby turning the clamping plate 27, so as to achieve the purpose of turning the PCB board, and the other side of the PCB board can be burned.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable PCB board burning fixture, comprising a base (10), characterized in that: An adjusting groove (11) is provided on the upper part of the base (10), a cavity (13) is provided in the middle part of the base (10), two sliding rods (20) are fixedly connected to the middle part of the inner wall at one end of the cavity (13), the sliding rods (20) are slidably connected to the sliding block (17), the lower end surface of the sliding block (17) is fixedly connected to the first sliding plate (19), the lower part of the inner wall at one end of the cavity (13) is fixedly connected to the first fixed plate (15), the lower end surface of the first fixed plate (15) is fixedly connected to the cylinder (14), and the output end of the cylinder (14) is fixedly connected to the second connecting plate (16 ), the upper end surface of the second connecting plate (16) is fixedly connected to a first sliding plate (19), the upper end surface of the sliding block (17) is fixedly connected to a rack (21), one side of the rack (21) is meshedly connected to the outer side of the gear (18), the middle part of the upper end surface of the first sliding plate (19) is fixedly connected to a second sliding plate (25), the second sliding plate (25) is partially arranged in the adjusting groove (11), the upper surface of one end of the base (10) is fixedly connected to the burning device body (1), and a lifting component is arranged on one end surface of the burning device body (1).

2. A portable PCB board burning fixture according to claim 1, characterized in that: The lifting assembly comprises a first motor (12), a first sprocket (5), a chain (6), a second sprocket (7), a screw rod (4) and a mounting plate (3); an upper surface of one end of the burning device body (1) is fixedly connected to the first motor (12); an output end of the first motor (12) is fixedly connected to the second sprocket (7); the second sprocket (7) is connected to the first sprocket (5) through the chain (6); one end surface of the first sprocket (5) is fixedly connected to the screw rod (4); a mounting plate (3) is mounted in the middle of the screw rod (4); and one end surface of the mounting plate (3) is fixedly connected to the burning plate (8).

3. The portable PCB board burning fixture according to claim 1, characterized in that: The upper surface of one end of the second sliding plate (25) is fixedly connected to the second fixed plate (26), the surface of one end of the second fixed plate (26) is fixedly connected to the second motor (22), the output end of the second motor (22) is fixedly connected to the rotating shaft (23), the two side edges of the rotating shaft (23) are fixedly connected to the rotating plate (24), and the surface of one end of the rotating plate (24) is fixedly connected to the clamping plate (27).

4. The portable PCB burning fixture according to claim 1, characterized in that: Both sides of the surface of one end of the base (10) are fixedly connected to a lifting plate (9), and the lifting plate (9) is arranged on one side of the adjustment groove (11).

5. The portable PCB board burning fixture according to claim 1, characterized in that: The lower end surface of the cylindrical rod of the gear (18) is fixedly connected to the middle part of the upper end surface of the first fixed plate (15), and the rack (21) is arranged on one side of the second sliding plate (25).

6. The portable PCB burning fixture according to claim 1, characterized in that: One end surface of the burning device body (1) away from the first motor (12) is fixedly connected to the first connecting plate (2), and one end surface of the first connecting plate (2) is rotatably connected to the first sprocket (5).

7. The portable PCB burning fixture according to claim 1, characterized in that: A burning plate (8) is arranged directly above the regulating groove (11).

8. The portable PCB burning fixture according to claim 3, characterized in that: One end surface of the clamping plate (27) is fixedly connected to an anti-slip pad.

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