A PCB board chamfering processing device

Abstract

The utility model belongs to the field of chamfering processing devices, and specifically relates to a PCB board chamfering processing device, including a base, a fixing frame fixedly connected to the upper end of the base, a driving shaft installed inside the fixing frame through a bearing, a protective cover slidably connected to the outer side of the fixing frame, a disassembly mechanism provided on the base, a grinding wheel slidably connected to the outer side of the driving shaft, a limiting disk slidably connected to the outer side of the grinding wheel, and a limiting rod fixedly connected to the front side of the driving shaft. The utility model adds structures such as a limiting disk, a limiting block and a fixing nail on the driving shaft, and during use, the limiting block can be driven by the elastic force of a spring to limit the limiting disk and the grinding wheel. When the grinding wheel needs to be replaced, it only needs to slide the limiting block into the interior of the driving shaft to release the limit on the limiting disk, and then the grinding wheel can be conveniently disassembled, thereby making the replacement of the grinding wheel more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of chamfering processing devices, in particular to a chamfering processing device for a PCB board. Background Art

[0002] According to the patent authorization announcement number: CN220592557U, a PCB board chamfering processing device is proposed. The utility model discloses a PCB board chamfering processing device, which relates to the field of PCB board processing, including a machine body, a chamfering and grinding mechanism and a clamping mechanism. A mounting table is welded on the top of the machine body, and a fan is installed at the bottom of the inner wall of the mounting table. Slide blocks are provided at both ends of the inner wall of the mounting table, and a collection box is welded on the outer wall of the slide block. A processing table is welded on the top of the mounting table, and a PCB board body is placed on the top of the processing table. A frame is welded on the top of the mounting table, and the clamping mechanism is arranged on both sides of the top of the frame. The utility model provides a collection box and a slider, so that when the PCB board body is chamfered and ground, the fan at the bottom of the inner wall of the mounting table can be used to suck the generated dust and debris into the collection box. After the processing is completed, the collection box can be pulled out through the slider, so that the dust and debris are processed, and there is no need for the operator to clean the device.

[0003] However, the chamfering device in the prior art uses a grinding wheel to grind and chamfer the PCB board. The grinding wheel will wear out during use and needs to be replaced regularly. However, the grinding wheel in the prior art is installed on the outside of the driving shaft by bolt locking, which is inconvenient to disassemble. In addition, it is easy to generate flying debris during grinding, causing injuries to workers. Therefore, it is necessary to improve the prior art. Utility Model Content

[0004] The utility model aims to provide a PCB chamfering processing device, which solves the problems that the grinding wheel is inconvenient to replace and the debris generated by grinding is easy to splash and hurt people.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PCB board chamfering processing device, comprising a base, the upper end of the base is fixedly connected to a fixing frame, the interior of the fixing frame is equipped with a driving shaft through a bearing, the outer side of the fixing frame is slidably connected to a protective cover, a disassembly mechanism is provided on the base, the outer side of the driving shaft is slidably connected to a grinding wheel, the outer side of the grinding wheel is slidably connected to a limiting disk, the front side of the driving shaft is fixedly connected to a limiting rod, the interior of the driving shaft is fixedly connected to a limiting nail, the outer side of the limiting nail is slidably connected to a limiting block, a spring 1 is provided on the outer side of the limiting nail, the outer side of the back side of the driving shaft is fixedly connected to a gear 1, a motor is fixedly installed on the upper end of the base, and the outer side of the output shaft of the motor is fixedly connected to a gear 2.

[0006] Preferably, the limit rod is slidably connected to the grinding wheel, the limit rod is slidably connected to the limit plate, the limit plate is slidably connected to the drive shaft, the limit block is slidably connected to the limit plate, the limit block is slidably connected to the drive shaft, the gear one is meshed with the gear two, and the limit block can limit the grinding wheel through the limit plate.

[0007] Preferably, one end of the spring 1 is fixedly connected to the driving shaft, and the other end of the spring 1 is fixedly connected to the limit block, and the spring 1 can drive the limit block to automatically reset through elastic force.

[0008] Preferably, the disassembly mechanism includes a fixed tube, the upper end of the base is fixedly connected to two symmetrically distributed fixed tubes, the inside of the fixed tube is fixedly connected to two symmetrically distributed guide rods, the outer side of the guide rod is slidably connected to a hinge seat, the upper end of the hinge seat is hinged to a hinge rod, the upper end of the hinge rod is fixedly connected to a connecting frame, the connecting frame is fixedly connected to the protective cover, the upper part of the inner wall of the fixed tube is fixedly connected to a limiting ring, the outer side of the guide rod is provided with a second spring, and the hinge rod can limit the protective cover through the connecting frame.

[0009] Preferably, the guide rod is fixedly connected to the limiting ring, the articulated seat is slidably connected to the fixed tube, the articulated rod is slidably connected to the limiting ring, and the guide rod can guide the movement of the articulated seat.

[0010] Preferably, one end of the second spring is fixedly connected to the hinge seat, and the other end of the second spring is fixedly connected to the limiting ring, and the second spring can drive the hinge seat to automatically reset through elastic force.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model adds structures such as a limit plate, a limit block and a fixing nail on the driving shaft. During use, the limit block can be driven by the elastic force of a spring to limit the limit plate and the grinding wheel. When the grinding wheel needs to be replaced, the limit block only needs to be slid into the interior of the driving shaft to release the limit on the limit plate, and then the grinding wheel can be conveniently disassembled, thereby making the replacement of the grinding wheel more convenient.

[0013] 2. The utility model adds structures such as a protective cover, a hinged rod and a connecting frame to the base. During use, the elastic force of spring 2 can drive the protective cover on the connecting frame to support the upper end of the fixed frame. The protective cover semi-covers the grinding wheel, thereby effectively preventing debris from splashing and injuring people during the grinding process, and the protective cover can be removed from the protective position when the grinding wheel needs to be replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The overall structure of the utility model is three-dimensional Figure 1 ;

[0015] Figure 2 The overall structure of the utility model is three-dimensional Figure 2 ;

[0016] Figure 3 For the utility model Figure 1 A magnified three-dimensional cross-sectional view of a local structure;

[0017] Figure 4 For the utility model Figure 1 A magnified left side sectional view of a fixed pipe;

[0018] Figure 5 For the utility model Figure 3 A-section structure enlarged view.

[0019] In the figure: 1. base; 2. fixing frame; 3. driving shaft; 4. protective cover; 5. disassembly mechanism; 6. grinding wheel; 7. limiting rod; 8. limiting nail; 9. limiting block; 10. limiting plate; 11. spring 1; 12. gear 1; 13. motor; 14. gear 2; 51. fixing tube; 52. guide rod; 53. articulated seat; 54. articulated rod; 55. limiting ring; 56. spring 2; 57. connecting frame. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1 , Figure 2 , Figure 3 , Figure 5 A PCB chamfering processing device comprises a base 1, a fixing frame 2 is fixedly connected to the upper end of the base 1, a driving shaft 3 is installed inside the fixing frame 2 through a bearing, a protective cover 4 is slidably connected to the outer side of the fixing frame 2, a disassembly mechanism 5 is arranged on the base 1, a grinding wheel 6 is slidably connected to the outer side of the driving shaft 3, a limiting disk 10 is slidably connected to the outer side of the grinding wheel 6, a limiting rod 7 is fixedly connected to the front of the driving shaft 3, a limiting pin 8 is fixedly connected to the inside of the driving shaft 3, a limiting block 9 is slidably connected to the outer side of the limiting pin 8, a spring 11 is arranged on the outer side of the limiting pin 8, a gear 12 is fixedly connected to the outer side of the back side of the driving shaft 3, a motor 13 is fixedly installed on the upper end of the base 1, and a gear 2 14 is fixedly connected to the outer side of the output shaft of the motor 13.

[0022] See also Figure 1 , Figure 2 , Figure 3 , Figure 5 The limit rod 7 is slidably connected to the grinding wheel 6, the limit rod 7 is slidably connected to the limit plate 10, the limit plate 10 is slidably connected to the drive shaft 3, the limit block 9 is slidably connected to the limit plate 10, the limit block 9 is slidably connected to the drive shaft 3, the gear 12 is meshed with the gear 2 14, the limit block 9 can limit the grinding wheel 6 through the limit plate 10, one end of the spring 11 is fixedly connected to the drive shaft 3, the other end of the spring 11 is fixedly connected to the limit block 9, and the spring 11 can drive the limit block 9 to automatically reset through elastic force.

[0023] See also Figure 1 , Figure 4 The disassembly mechanism 5 includes a fixed tube 51, the upper end of the base 1 is fixedly connected to two symmetrically distributed fixed tubes 51, the inside of the fixed tube 51 is fixedly connected to two symmetrically distributed guide rods 52, the outer side of the guide rod 52 is slidably connected to a hinge seat 53, the upper end of the hinge seat 53 is hinged to a hinge rod 54, the upper end of the hinge rod 54 is fixedly connected to a connecting frame 57, the connecting frame 57 is fixedly connected to the protective cover 4, the upper part of the inner wall of the fixed tube 51 is fixedly connected to a limit ring 55, the outer side of the guide rod 52 is provided with A spring 2 56 is provided, and the hinged rod 54 can limit the protective cover 4 through the connecting frame 57. The guide rod 52 is fixedly connected to the limiting ring 55, the hinged seat 53 is slidably connected to the fixed tube 51, the hinged rod 54 is slidably connected to the limiting ring 55, the guide rod 52 can guide the movement of the hinged seat 53, one end of the spring 2 56 is fixedly connected to the hinged seat 53, and the other end of the spring 2 56 is fixedly connected to the limiting ring 55. The spring 2 56 can drive the hinged seat 53 to automatically reset through elastic force.

[0024] The specific implementation process of the utility model is as follows: when the PCB board is being polished, the motor 13 is started, the motor 13 drives the gear 1 12 to rotate through the gear 2 14, the gear 1 12 can drive the grinding wheel 6 to rotate through the driving shaft 3, and then the PCB board is brought into contact with the inclined surface of the grinding wheel 6 to polish the PCB board;

[0025] When the grinding wheel 6 needs to be replaced, the protective cover 4 is pulled upwards. The protective cover 4 drives the hinged rod 54 to drive the hinged seat 53 to move through the connecting frame 57, and compresses the spring 2 56. When the hinged joint between the hinged seat 53 and the hinged rod 54 slides out of the range of the limit ring 55, the protective cover 4 can be flipped over to make the protective cover 4 out of the range of the grinding wheel 6, and then the limit block 9 is pressed. The limit block 9 compresses the spring 11. When the limit block 9 slides into the interior of the drive shaft 3, the limit plate 10 and the grinding wheel 6 can be removed from the outside of the drive shaft 3, so that the grinding wheel 6 can be more easily replaced.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A PCB chamfering device, comprising a base (1), characterized in that: The upper end of the base (1) is fixedly connected to a fixing frame (2), a driving shaft (3) is installed inside the fixing frame (2) through a bearing, a protective cover (4) is slidably connected to the outer side of the fixing frame (2), a disassembly mechanism (5) is provided on the base (1), a grinding wheel (6) is slidably connected to the outer side of the driving shaft (3), a limiting plate (10) is slidably connected to the outer side of the grinding wheel (6), a limiting rod (7) is fixedly connected to the front side of the driving shaft (3), a limiting pin (8) is fixedly connected to the inside of the driving shaft (3), a limiting block (9) is slidably connected to the outer side of the limiting pin (8), a spring 1 (11) is provided on the outer side of the limiting pin (8), a gear 1 (12) is fixedly connected to the outer side of the back side of the driving shaft (3), a motor (13) is fixedly installed on the upper end of the base (1), and a gear 2 (14) is fixedly connected to the outer side of the output shaft of the motor (13).

2. A PCB chamfering device according to claim 1, characterized in that: The limiting rod (7) is slidably connected to the grinding wheel (6), the limiting rod (7) is slidably connected to the limiting plate (10), the limiting plate (10) is slidably connected to the driving shaft (3), the limiting block (9) is slidably connected to the limiting plate (10), the limiting block (9) is slidably connected to the driving shaft (3), and the gear 1 (12) is meshed with the gear 2 (14).

3. A PCB chamfering device according to claim 1, characterized in that: One end of the spring one (11) is fixedly connected to the drive shaft (3), and the other end of the spring one (11) is fixedly connected to the limit block (9).

4. The PCB chamfering device according to claim 1, characterized in that: The disassembly mechanism (5) comprises a fixed tube (51), the upper end of the base (1) is fixedly connected to two symmetrically distributed fixed tubes (51), the interior of the fixed tube (51) is fixedly connected to two symmetrically distributed guide rods (52), the outer side of the guide rod (52) is slidably connected to a hinge seat (53), the upper end of the hinge seat (53) is hinged to a hinge rod (54), the upper end of the hinge rod (54) is fixedly connected to a connecting frame (57), the connecting frame (57) is fixedly connected to the protective cover (4), the upper part of the inner wall of the fixed tube (51) is fixedly connected to a limiting ring (55), and the outer side of the guide rod (52) is provided with a second spring (56).

5. A PCB chamfering device according to claim 4, characterized in that: The guide rod (52) is fixedly connected to the limiting ring (55), the hinge seat (53) is slidably connected to the fixed tube (51), and the hinge rod (54) is slidably connected to the limiting ring (55).

6. A PCB chamfering device according to claim 4, characterized in that: One end of the second spring (56) is fixedly connected to the hinge seat (53), and the other end of the second spring (56) is fixedly connected to the limiting ring (55).

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