Dust collection type circuit board edge grinding device

Abstract

The utility model discloses a dust collection type circuit board edge grinding device which comprises a working table, supporting legs are fixedly connected to the bottom of the working table, a fixing plate is fixedly connected to the top of the working table, an edge grinding device is arranged at the top of the working table, and a dust collection device is arranged at the bottom of the working table. The dust collection device comprises a motor, the top of the motor is fixedly connected to the top of the workbench, an output shaft of the motor is fixedly connected with a rotating shaft, the bottom of the rotating shaft is fixedly connected with a first bevel gear, and the bottom of the workbench is fixedly connected with a fixing block. According to the dust collection device, the suction force generated by rotation of the rotor wing fan blades is used for collecting dust on powder on the workbench through the dust collection opening, and the powder adhered to the filter screen can be cleaned through movement of the bristles, so that the filter screen can be prevented from being blocked by the powder accumulated on the filter screen, and the suction force of the rotor wing fan blades is blocked and reduced.

Description

Technical Field

[0001] This utility model relates to the field of edge grinding technology, and in particular to a dust-collecting circuit board edge grinding device. Background Technology

[0002] The PCB edge grinding device is mainly used in the PCB production process to remove burrs and irregular parts from the edges of the PCB, ensuring the precision and appearance quality of the PCB.

[0003] A search revealed that Chinese Patent Publication No. CN 208514214 U discloses a circuit board edge grinding machine with a dust removal device. The machine includes a frame with a horizontally mounted conveyor belt. Mounting seats are located on both sides of the frame along the conveyor belt's transport direction. An edge grinding motor is mounted on each mounting seat horizontally, and a grinding blade is connected to the motor's power output shaft. The grinding blades on both sides work together to grind the edges of the circuit boards on the conveyor belt. A horizontal adjustment mechanism is provided between the mounting seats and the frame. A dust collection mechanism is located on the mounting seats next to the grinding blades, and this mechanism is connected to a dust collection box mounted on the frame via a pipe. This invention aims to provide a circuit board edge grinding machine with a simple structure, convenient installation, and good performance, used for edge grinding of circuit boards.

[0004] The above-mentioned patent has the following shortcomings: Although a dust collection mechanism can be installed on the mounting base on the side of the grinding knife, dust may enter the fan during the dust collection process, causing a large amount of dust to accumulate on the fan blades, which will reduce the suction power of the fan and affect the subsequent dust collection effect.

[0005] Therefore, we provide a dust-collecting circuit board edge grinding device. Utility Model Content

[0006] The purpose of this invention is to address the aforementioned technical problems by providing a dust-collecting circuit board edge grinding device that effectively collects dust generated during the edge grinding process of circuit boards.

[0007] In view of this, the present invention provides a dust-collecting circuit board edge grinding device, including a workbench, a support leg fixedly connected to the bottom of the workbench, a fixing plate fixedly connected to the top of the workbench, an edge grinding device provided on the top of the workbench, and a dust-collecting device provided at the bottom of the workbench.

[0008] The vacuuming device includes a motor, the top of which is fixedly connected to the top of the workbench. The output shaft of the motor is fixedly connected to a rotating shaft, and a first bevel gear is fixedly connected to the bottom of the rotating shaft. A fixed block is fixedly connected to the bottom of the workbench, and a second bevel gear is rotatably connected to the side of the fixed block. A rotating rod is fixedly connected to the side of the second bevel gear, and a rotor blade is fixedly connected to the circumferential surface of the rotating rod. A duct is fixedly connected to the side of the workbench, and the circumferential surface of the rotating rod penetrates the side of the duct. The circumferential surface of the rotating rod is rotatably connected to the inner wall of the duct, and a vacuum port is fixedly connected to the side of the duct.

[0009] Preferably, a filter screen is fixedly connected to the inner wall of the air duct, a connecting plate is fixedly connected to the bottom of the workbench, a rotating shaft is rotatably connected to the side of the connecting plate, a belt is driven to the circumferential surface of the rotating rod, and the inner wall of the belt is driven to the circumferential surface of the rotating shaft. The function of the filter screen is to prevent dust from sticking to the rotor blades, and the function of the belt is to drive the rotating shaft to rotate through the rotation of the rotating rod.

[0010] Preferably, a half gear is fixedly connected to the side of the rotating shaft, a rack is slidably connected to the back side of the air duct, a sliding groove is opened on the side of the air duct, a brush plate is fixedly connected to the front side of the rack, and brush bristles are fixedly connected to the side of the brush plate. The function of the brush bristles is to clean the dust stuck on the filter screen.

[0011] Preferably, the bottom of the air duct is provided with a dust outlet, and a collection box is slidably connected to the bottom of the air duct. The purpose of the dust outlet is to allow the dust cleaned by the brush to enter the collection box.

[0012] Preferably, a force-bearing plate is fixedly connected to the back side of the air duct, and a tension spring is fixedly connected to the bottom of the force-bearing plate. The end of the tension spring away from the force-bearing plate is fixedly connected to the top of the rack. The function of the tension spring is to allow the rack to reset when the side of the half gear without teeth no longer pushes the rack.

[0013] Preferably, the number of each of the bevel gear 2, rotating rod, rotor blade, air duct, dust suction port, filter screen, connecting plate, rotating shaft, belt, half gear, slide groove, brush plate, brush bristles, dust outlet, collection box, force plate, and tension spring is set to two, and they are symmetrical to each other along the vertical central axis of the worktable. The purpose of setting the number of each of the bevel gear 2, rotating rod, rotor blade, air duct, dust suction port, filter screen, connecting plate, rotating shaft, belt, half gear, slide groove, brush plate, brush bristles, dust outlet, collection box, force plate, and tension spring to two, and symmetrical to each other along the vertical central axis of the worktable, is to better suction the dust generated by grinding on the worktable.

[0014] Preferably, the circumferential surface of the half gear meshes with the back side of the rack, and the side of the brush bristles is located to the right of the filter screen. The meshing of the circumferential surface of the half gear with the back side of the rack is to drive the rack to move when the half gear rotates, and the location of the side of the brush bristles to the right of the filter screen is to clean the filter screen when the brush bristles move.

[0015] Compared with the prior art, this utility model provides a dust-collecting circuit board edge grinding device, which has the following beneficial effects:

[0016] 1. This utility model, through the function of the rotor blades and the dust suction port, enables the suction force generated by the rotation of the rotor blades to suck up the powder on the workbench through the dust suction port, thereby sucking the powder generated during grinding on the workbench into the air duct and preventing the powder from flying around and affecting the operator's vision during grinding.

[0017] The parts of this device not covered herein are the same as or can be implemented using existing technologies. This utility model has a simple structure and is easy to operate. Attached Figure Description

[0018] Figure 1 This is a three-dimensional overall structural diagram of a dust-collecting circuit board edge grinding device proposed in this utility model;

[0019] Figure 2 This is a schematic diagram of the overall structure of the dust collection device proposed in this utility model;

[0020] Figure 3 This is a cross-sectional view of the dust collection device structure proposed in this utility model;

[0021] Figure 4 The present utility model proposes Figure 2 A schematic diagram showing the magnified three-dimensional structure at point A in the middle;

[0022] Figure 5 The present utility model proposes Figure 3 A schematic diagram showing the magnified three-dimensional structure at point B.

[0023] In the diagram: 1. Workbench; 2. Support leg; 3. Fixing plate; 4. Edge grinding device; 5. Dust collection device; 51. Motor; 52. Rotating shaft; 53. Bevel gear one; 54. Fixing block; 55. Bevel gear two; 56. Rotating rod; 57. Rotary fan blade; 58. Air duct; 59. Dust collection port; 510. Filter screen; 511. Connecting plate; 512. Rotating shaft; 513. Belt; 514. Half gear; 515. Rack; 516. Slide groove; 517. Brush plate; 518. Brush bristles; 519. Dust outlet; 520. Collection box; 521. Force plate; 522. Tension spring. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0025] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0026] Example 1: As Figures 1-5 A dust-collecting type circuit board edge grinding device includes a worktable 1, with support legs 2 fixedly connected to the bottom of the worktable 1 and a fixing plate 3 fixedly connected to the top of the worktable 1.

[0027] The top of the workbench 1 is equipped with an edge grinding device 4, and the bottom of the workbench 1 is equipped with a dust collection device 5.

[0028] The vacuuming device 5 includes a motor 51, the top of which is fixedly connected to the top of the workbench 1. The output shaft of the motor 51 is fixedly connected to a rotating shaft 52. The bottom of the rotating shaft 52 is fixedly connected to a bevel gear 53. The bottom of the workbench 1 is fixedly connected to a fixing block 54. The side of the fixing block 54 is rotatably connected to a bevel gear 55. The side of the bevel gear 55 is fixedly connected to a rotating rod 56. The circumferential surface of the rotating rod 56 is fixedly connected to a rotor blade 57. The side of the workbench 1 is fixedly connected to a duct 58. The circumferential surface of the rotating rod 56 passes through the side of the duct 58 and is rotatably connected to the inner wall of the duct 58. The side of the duct 58 is fixedly connected to a vacuum port 59.

[0029] Preferably, a filter screen 510 is fixedly connected to the inner wall of the air duct 58, a connecting plate 511 is fixedly connected to the bottom of the workbench 1, a rotating shaft 512 is rotatably connected to the side of the connecting plate 511, a belt 513 is driven to the circumferential surface of the rotating rod 56, and the inner wall of the belt 513 is driven to the circumferential surface of the rotating shaft 512. The function of the filter screen 510 is to prevent dust from sticking to the rotor blades 57, and the function of the belt 513 is to drive the rotating shaft 512 to rotate through the rotation of the rotating rod 56.

[0030] Preferably, a half gear 514 is fixedly connected to the side of the rotating shaft 512, a rack 515 is slidably connected to the back side of the air duct 58, a groove 516 is opened on the side of the air duct 58, a brush plate 517 is fixedly connected to the front side of the rack 515, and brush bristles 518 are fixedly connected to the side of the brush plate 517. The function of the brush bristles 518 is to clean the dust stuck on the filter screen 510.

[0031] Preferably, the bottom of the air duct 58 is provided with a dust outlet 519, and a collection box 520 is slidably connected to the bottom of the air duct 58. The function of the dust outlet 519 is to allow the dust cleaned by the brush bristles 518 to enter the collection box 520.

[0032] Preferably, a force-bearing plate 521 is fixedly connected to the back side of the air duct 58, and a tension spring 522 is fixedly connected to the bottom of the force-bearing plate 521. The end of the tension spring 522 away from the force-bearing plate 521 is fixedly connected to the top of the rack 515. The function of the tension spring 522 is to allow the rack 515 to be reset by means of the tension spring 522 when the toothless side of the half gear 514 no longer pushes the rack 515.

[0033] Preferably, the number of bevel gear 55, rotating rod 56, rotor blade 57, air duct 58, dust suction port 59, filter screen 510, connecting plate 511, rotating shaft 512, belt 513, half gear 514, slide groove 516, brush plate 517, brush bristles 518, dust outlet 519, collection box 520, force plate 521, and tension spring 522 are each set to two, and are symmetrical to each other along the numerical central axis of the worktable 1. The number of bevel gear 55, rotating rod 56, etc. The number of rotor blades 57, air duct 58, dust suction port 59, filter screen 510, connecting plate 511, rotating shaft 512, belt 513, half gear 514, slide 516, brush plate 517, brush bristles 518, dust outlet 519, collection box 520, force plate 521 and tension spring 522 are each set to two, and they are symmetrical to each other along the vertical central axis of the worktable 1. This is to better suck up the dust generated by grinding on the worktable 1.

[0034] Preferably, the circumferential surface of the half gear 514 meshes with the back side of the rack 515, and the side of the brush bristles 518 is located to the right of the filter screen 510. The purpose of the circumferential surface of the half gear 514 meshing with the back side of the rack 515 is to push the rack 515 to move when the half gear 514 rotates. The purpose of the side of the brush bristles 518 being located to the right of the filter screen 510 is to clean the filter screen 510 when the brush bristles 518 move.

[0035] First, when the device is needed to grind the edges of a circuit board, the dust collection device 5 can be used to collect the dust generated during grinding on the workbench 1. By starting the motor 51, the output shaft of the motor 51 rotates, which drives the rotating shaft 52 to rotate. When the rotating shaft 52 rotates, it drives the first bevel gear 53 to rotate. When the first bevel gear 53 rotates, it drives the second bevel gear 55 to rotate on the fixed block 54. When the second bevel gear 55 rotates, it drives the rotating rod 56 to rotate. When the rotating rod 56 rotates, it drives the rotor blades 57 to rotate. Thus, the suction force generated when the rotor blades 57 rotate will be drawn through the air duct 58 and the dust collection port 59 to collect the dust generated during grinding on the workbench 1. Meanwhile, when the rotating rod 56 rotates counterclockwise, it drives the belt 513 to rotate counterclockwise. When the belt 513 rotates counterclockwise, it drives the rotating shaft 512 to rotate counterclockwise. When the rotating shaft 512 rotates counterclockwise, it drives the half gear 514 to rotate counterclockwise. When the half gear 514 rotates counterclockwise, it pushes the rack 515 to move downward. When the rack 515 moves downward, it drives the brush plate 517 to move downward. When the brush plate 517 moves downward, it drives the brush bristles 518 to move downward. As the brush bristles 518 move downward, they can clean the dust on the filter screen 510, preventing the dust from clogging the filter screen 510 and affecting the suction force generated by the rotation of the rotor blades 57.

[0036] 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 the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A dust-absorbing circuit board edge grinding device comprising a worktable (1), characterized in that, The bottom of the workbench (1) is fixedly connected with a supporting leg (2), the top of the workbench (1) is fixedly connected with a fixed plate (3), the top of the workbench (1) is provided with an edge grinding device (4), and the bottom of the workbench (1) is provided with a dust collection device (5). The dust collection device (5) comprises a motor (51), the top of the motor (51) is fixedly connected to the top of the workbench (1), the output shaft of the motor (51) is fixedly connected with a rotating shaft (52), the bottom of the rotating shaft (52) is fixedly connected with a bevel gear I (53), the bottom of the workbench (1) is fixedly connected with a fixed block (54), the side surface of the fixed block (54) is rotatably connected with a bevel gear II (55), the side surface of the bevel gear II (55) is fixedly connected with a rotating rod (56), the circumferential surface of the rotating rod (56) is fixedly connected with a rotor fan blade (57), the side surface of the workbench (1) is fixedly connected with an air pipe (58), the circumferential surface of the rotating rod (56) penetrates through the side surface of the air pipe (58), the circumferential surface of the rotating rod (56) is rotatably connected to the inner wall of the air pipe (58), and the side surface of the air pipe (58) is fixedly connected with a dust collection port (59).

2. The dusting type circuit board edge grinding device according to claim 1, wherein The inner wall of the air pipe (58) is fixedly connected with a filter screen (510), the bottom of the workbench (1) is fixedly connected with a connecting plate (511), the side surface of the connecting plate (511) is rotatably connected with a rotating shaft (512), the circumferential surface of the rotating rod (56) is drivingly connected with a belt (513), and the inner wall of the belt (513) is drivingly connected to the circumferential surface of the rotating shaft (512).

3. The dusting edge grinding device for a circuit board according to claim 2, wherein The side surface of the rotating shaft (512) is fixedly connected with a half gear (514), the back side surface of the air pipe (58) is slidingly connected with a rack (515), the side surface of the air pipe (58) is provided with a sliding groove (516), the front side surface of the rack (515) is fixedly connected with a brush plate (517), and the side surface of the brush plate (517) is fixedly connected with a brush (518).

4. The dusting edge grinding device for circuit board according to claim 1, wherein The bottom of the air pipe (58) is provided with a dust outlet (519), and the bottom of the air pipe (58) is slidingly connected with a collection box (520).

5. The dusting edge grinding device for circuit board according to claim 1, wherein The back side surface of the air pipe (58) is fixedly connected with a stress plate (521), the bottom of the stress plate (521) is fixedly connected with a tension spring (522), and the end, away from the stress plate (521), of the tension spring (522) is fixedly connected to the top of the rack (515).

6. The dusting edge grinding device for circuit board according to claim 1, wherein The number of the bevel gear II (55), the rotating rod (56), the rotor fan blade (57), the air pipe (58), the dust collection port (59), the filter screen (510), the connecting plate (511), the rotating shaft (512), the belt (513), the half gear (514), the sliding groove (516), the brush plate (517), the brush (518), the dust outlet (519), the collection box (520), the stress plate (521) and the tension spring (522) is two respectively, and they are mutually symmetrical along the central axis of the workbench (1).

7. The edge grinding device for a circuit board according to claim 3, wherein The circumferential surface of the half gear (514) is engaged with the back surface of the rack (515), and the side surface of the brush (518) is located at the right of the filter screen (510).

Images