Mechanical automatic drilling device and drilling method thereof

Abstract

The invention belongs to the technical field of drilling devices, and discloses a mechanical automatic drilling device and a drilling method thereof.The mechanical automatic drilling device comprises a drilling frame body and a drill bit, the drill bit is arranged in the drilling frame body, two shielding covers are arranged at the top of the drilling frame body, and transparent observation windows are arranged in the two shielding covers; a containing frame is arranged at the bottom of the drilling frame body, a servo motor is arranged at the top of the containing frame, and through cooperation of the servo motor, a transmission tray, a transmission strip, an arc-shaped bracket, a cleaning roller, a protruding plate and a brush strip, firstly, a plurality of workpieces are sequentially placed on the surface of the arc-shaped bracket, and after the servo motor is started, the workpieces are driven to rotate; the two cleaning rollers move up and down to drive the transmission tray in transmission connection with the output shaft of the transmission tray to rotate synchronously, and along with the up-down movement of the two cleaning rollers, one ends of the multiple brush strips are driven to repeatedly scrape the surface of the transparent observation window, so that chippings flying on the surface of the transparent observation window can be scraped, and the cleanliness of the surface of the transparent observation window is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of drilling devices, and in particular relates to a mechanical automated drilling device and a drilling method thereof. Background Art

[0002] Mechanical automated drilling device is a device used to drill precise holes in materials. It is widely used in manufacturing, construction and electronics industries. Different types of drill bits are used depending on the material. Transmission system: usually composed of a motor, a reducer and a transmission device to provide the required speed and torque. Feed system: controls the feed speed of the drill bit. Common feeds include mechanical feed. Control system: includes PLC and human-machine interface, which are used to program and monitor the drilling process. The drilling device drives the drill bit to rotate through a motor, and the drill bit drills downward on the surface of the material at a set feed speed.

[0003] However, the existing mechanical automated drilling device and drilling method are not perfect and still have certain defects:

[0004] There are limited workstations for placing workpieces. Only after a worker picks up the workpiece to the drilling position can the workpiece far away from the drilling device be picked up to the workstation. Within a certain period of time, the number of holes drilled on the workpiece is small, and the debris left after drilling will fly over a large area, increasing the subsequent cleaning time. The debris that flies to the surface of the protective structure cannot be cleaned in time, and this part of the debris will affect the line of sight of observing the drilling process. Summary of the invention

[0005] The object of the present invention is to provide a mechanical automated drilling device and a drilling method thereof, so as to solve the problem raised in the above background technology that a small number of holes are drilled on a workpiece within a certain period of time and the debris left after drilling will fly over a large area.

[0006] In order to achieve the above-mentioned objectives, the present invention provides the following technical solutions: a mechanical automated drilling device, comprising a drilling frame and a drill bit, the drill bit being arranged inside the drilling frame, two shielding covers being arranged on the top of the drilling frame, transparent observation windows being arranged inside the two shielding covers, a placing rack being arranged on the bottom of the drilling frame, a servo motor being arranged on the top of the placing rack, a transmission tray being arranged with a plurality of arc-shaped brackets being arranged on the top of the transmission tray, a processing rack being arranged on the top of the drilling frame, a first screw being arranged inside the processing rack, two cleaning rollers being arranged on the top of the drilling frame, a plurality of brush strips being arranged on the outer surfaces of the two cleaning rollers, a drilling table being arranged on the top of the drilling frame, a second screw being arranged inside the drilling frame, and a scraper being arranged on the bottom of the drilling table.

[0007] Preferably, a transmission bar is fixedly installed in the middle of the top of the transmission tray, and extension bars are fixedly installed on one side of each of the plurality of arc-shaped brackets, and one end of each of the plurality of extension bars is fixedly connected to the outer wall of the transmission bar.

[0008] Preferably, a convex plate is threadedly sleeved on one end of the first screw rod, arc blocks are arranged at both ends of the two cleaning rollers, and a micro motor is arranged on the top of the processing frame.

[0009] Preferably, a support shaft is provided between the inner walls of two adjacent arc-shaped blocks, the two cleaning rollers are fixedly sleeved on one end of the two support shafts respectively, and the output shaft of the micro motor is drivingly connected to one end of the first screw rod.

[0010] Preferably, one end of the plurality of brush strips is in contact with one side of two transparent observation windows respectively, wherein the two arc-shaped blocks are fixedly connected by a reinforcement strip.

[0011] Preferably, a chip box is provided on one side of the drilling frame, a rotating rod is rotatably installed on the other side of the drilling frame, a moving block is threadedly sleeved on one end of the second screw, and one side of the scraper is fixedly connected to one side of the moving block.

[0012] Preferably, one end of the rotating rod is fixedly connected to one end of the second screw rod, a plurality of chip guide holes are opened on the surface of the drilling table, a plurality of supports are fixedly installed on the bottom of the drilling frame, and the top of the scraper is in contact with the bottom surface of the drilling table.

[0013] A drilling method of a mechanical automated drilling device comprises the following steps:

[0014] Step 1: Place the workpieces to be processed on the surfaces of multiple arc brackets in sequence, ensure that the drilling device operates normally, and check that the drill bit is in good condition. When the servo motor is started, it will drive multiple arc brackets to rotate, so the distance between multiple workpieces and the drill bit can be automatically adjusted;

[0015] Step 2: Place the workpiece at the bottom of the drill bit and fix it with a fixed structure to prevent it from moving during the drilling process. Through two transparent observation windows, the staff can see the drilling status of the workpiece from all around.

[0016] Step 3: Adjust the feed depth of the drill bit according to the process requirements and set the depth limit of the drilling. The debris generated by drilling will accumulate on the surface of the drilling table;

[0017] Step 4: After drilling is completed, turn off the equipment and wait for it to come to a complete stop. Carefully remove the workpiece after drilling and check the quality and size of the hole.

[0018] The beneficial effects of the present invention are as follows:

[0019] 1. The present invention cooperates with the servo motor, transmission tray, transmission bar, arc bracket, cleaning roller, convex plate and brush strip, firstly, multiple workpieces are placed on the surface of the arc bracket in sequence, after starting the servo motor, the transmission tray connected to its output shaft transmission will be driven to rotate synchronously, and then under the connection of the transmission bar, the multiple arc brackets will be driven to rotate, when the workpiece rotates to the front of the drill bit, the staff can take out the workpiece and place it on the bottom of the drill bit, which is convenient for the subsequent drilling operation of the workpiece, and the multiple arc brackets increase the storage station for the workpiece, when one of the staff lifts the workpiece to the bottom of the drill bit, the other staff can place the remaining workpiece on the surface of other arc brackets in sequence, thereby improving the drilling efficiency of the drilling device, and as the two cleaning rollers move up and down, one end of the multiple brush strips is driven to repeatedly scrape against the surface of the transparent observation window, so that the debris flying off the surface can be scraped off, thereby improving the cleanliness of the surface of the transparent observation window.

[0020] 2. The present invention cooperates with the shielding cover, transparent observation window, first screw, arc block, drilling table, moving block and scraper. The drilling table can block the debris remaining after drilling the workpiece. The shielding cover is distributed on both sides of the drilling frame to achieve the purpose of protection and avoid large-scale flying of debris. After starting the micro motor, it drives the first screw to rotate synchronously, thereby driving the convex plate threaded with it to move up and down. Under the connection of the reinforcement strip, it also drives the two cleaning rollers to move synchronously, so that the position height of multiple brush strips can be automatically adjusted to make them contact with the transparent observation window more comprehensively.

[0021] 3. The present invention cooperates with the rotating rod, the second screw, the chip collection box, the chip guide hole, the support and the support shaft. The chip guide hole can guide the sprayed cutting fluid. After the staff rotates the rotating rod clockwise, the second screw is driven to rotate synchronously. Since the outer surface of the moving block fits with the inner wall of the drilling frame, the moving block will move backward under the rotation of the second screw, and the scraper will be driven to move backward. The top of the scraper and the bottom of the chip guide hole scrape against each other, so the bottom of the drilling table can be cleaned. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a front view structural schematic diagram of the present invention;

[0023] Figure 2 It is a partial side view structural schematic diagram of the present invention;

[0024] Figure 3 For the present invention Figure 2 The enlarged view of point A in the middle;

[0025] Figure 4It is a partial front view structural schematic diagram of the present invention;

[0026] Figure 5 It is a partial front view structural schematic diagram of the arc-shaped bracket of the present invention;

[0027] Figure 6 It is a partial bottom view structural schematic diagram of the present invention.

[0028] In the figure: 1. drilling frame; 2. drill bit; 3. shielding cover; 4. transparent observation window; 5. chip box; 6. drilling table; 7. chip guide hole; 8. placement rack; 9. servo motor; 10. transmission tray; 11. transmission bar; 12. extension bar; 13. arc bracket; 14. processing rack; 15. first screw rod; 16. convex plate; 17. arc block; 18. cleaning roller; 19. brush bar; 20. reinforcement bar; 21. micro motor; 22. second screw rod; 23. moving block; 24. scraper; 25. rotating rod; 26. supporting shaft; 27. support. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] like Figures 1 to 6 As shown, the embodiment of the present invention provides a technical solution of a mechanical automated drilling device and a drilling method thereof:

[0031] Embodiment 1:

[0032] like Figure 1-2As shown, a mechanical automated drilling device comprises a drilling frame 1 and a drill bit 2, the drill bit 2 is arranged inside the drilling frame 1, two shielding covers 3 are arranged on the top of the drilling frame 1, and transparent observation windows 4 are arranged inside the two shielding covers 3, a placing frame 8 is arranged at the bottom of the drilling frame 1, a servo motor 9 is arranged on the top of the placing frame 8, the output shaft of the servo motor 9 is connected to a transmission tray 10, a plurality of arc brackets 13 are arranged on the top of the transmission tray 10, a processing frame 14 is arranged on the top of the drilling frame 1, a first screw rod 15 is arranged inside the processing frame 14, two cleaning rollers 18 are arranged on the top of the drilling frame 1, and a plurality of brush strips 19 are arranged on the outer surfaces of the two cleaning rollers 18, and a plurality of brush strips 19 are arranged on the top of the drilling frame 1 A drilling table 6 is provided, a second screw 22 is provided inside the drilling frame 1, a scraper 24 is provided at the bottom of the drilling table 6, a transmission bar 11 is fixedly installed in the middle of the top of the transmission tray 10, and an extension bar 12 is fixedly installed on one side of multiple arc-shaped brackets 13, and one end of the multiple extension bars 12 is respectively fixedly connected to the outer wall of the transmission bar 11, and multiple workpieces are placed on the surface of the arc-shaped bracket 13 in turn. After starting the servo motor 9, it will drive the transmission tray 10 connected to its output shaft to rotate synchronously, and then under the connection of the transmission bar 11, it will drive the multiple arc-shaped brackets 13 to rotate. When the workpiece rotates to the front of the drill bit 2, it is convenient for the staff to take out the workpiece and place it at the bottom of the drill bit 2, which is convenient for the subsequent drilling operation of the workpiece.

[0033] Embodiment 2:

[0034] Based on the first embodiment, Figure 2-4 As shown, a support shaft 26 is provided between the inner walls of two adjacent arc blocks 17, two cleaning rollers 18 are fixedly sleeved on one end of the two support shafts 26, the output shaft of the micro motor 21 is transmission-connected with one end of the first screw rod 15, one end of a plurality of brush strips 19 are in contact with one side of the two transparent observation windows 4, and the two arc blocks 17 are fixedly connected by a reinforcement strip 20. As the two cleaning rollers 18 move up and down, one end of the plurality of brush strips 19 is driven to repeatedly scrape against the surface of the transparent observation window 4, so that the debris flying off the surface can be scraped off, thereby improving the cleanliness of the surface of the transparent observation window 4.

[0035] Embodiment three:

[0036] On the basis of the first and second embodiments, Figure 1 , Figure 5 and Figure 6As shown, a chip collecting box 5 is provided on one side of the drilling frame 1, and a rotating rod 25 is rotatably installed on the other side of the drilling frame 1. A moving block 23 is threadedly sleeved on one end of the second screw rod 22, and one side of the scraper 24 is fixedly connected to one side of the moving block 23, and one end of the rotating rod 25 is fixedly connected to one end of the second screw rod 22. A plurality of chip guide holes 7 are opened on the surface of the drilling table 6, and a plurality of supports 27 are fixedly installed on the bottom of the drilling frame 1. The top of the scraper 24 contacts the bottom surface of the drilling table 6. After the staff rotates the rotating rod 25 clockwise, the second screw rod 22 is driven to rotate synchronously. Since the outer surface of the moving block 23 is in contact with the inner wall of the drilling frame 1, the second screw rod 22 is rotated, and the moving block 23 will move backward under the rotation of the second screw rod 22, which will drive the scraper 24 to move backward. The top of the scraper 24 and the bottom surface of the chip guide hole 7 scrape each other, so that the bottom of the drilling table 6 can be cleaned.

[0037] A drilling method of a mechanical automated drilling device comprises the following steps:

[0038] Step 1: Place the workpieces to be processed on the surfaces of the multiple arc-shaped brackets 13 in sequence, ensure that the drilling device operates normally, check that the drill bit 2 is in good condition, and when the servo motor 9 is started, the multiple arc-shaped brackets 13 are driven to rotate, so that the distance between the multiple workpieces and the drill bit 2 can be automatically adjusted;

[0039] Step 2: The workpiece is placed at the bottom of the drill bit 2 and fixed by a fixing structure to prevent it from moving during the drilling process. Through two transparent observation windows 4, the staff can see the drilling status of the workpiece from all around.

[0040] Step 3: Adjust the feed depth of the drill bit 2 according to the process requirements and set the depth limit of the drilling. The debris generated by the drilling will accumulate on the surface of the drilling platen 6;

[0041] Step 4: After drilling is completed, turn off the equipment and wait for it to come to a complete stop. Carefully remove the workpiece after drilling and check the quality and size of the hole.

[0042] The working principle and use process of the present invention: The mechanical automatic drilling device is a device used to drill holes accurately on materials. It is widely used in manufacturing, construction and electronics industries. Different types of drill bits are used according to different materials. The transmission system is usually composed of a motor, a reducer and a transmission device to provide the required speed and torque. The feed system controls the feed speed of the drill bit. Common feeds include mechanical feed. The control system includes PLC and human-machine interface for programming and monitoring the drilling process. The drilling device drives the drill bit to rotate through the motor. The drill bit drills downward on the surface of the material at a set feed speed. First, according to the Place multiple workpieces on the surface of the arc bracket 13 at a time, and after starting the servo motor 9, it will drive the transmission tray 10 connected to its output shaft to rotate synchronously, and then under the connection of the transmission bar 11, it will drive multiple arc brackets 13 to rotate. When the workpiece rotates to the front of the drill bit 2, the staff can easily take out the workpiece and place it at the bottom of the drill bit 2, which is convenient for the subsequent drilling operation of the workpiece. Multiple arc brackets 13 increase the storage station for the workpiece. When one of the staff lifts the workpiece to the bottom of the drill bit 2, the other staff can place the remaining workpieces on the surface of other arc brackets 13 in turn, providing The drilling efficiency of the drilling device is improved. As the two cleaning rollers 18 move up and down, one end of the multiple brush strips 19 is driven to repeatedly scrape against the surface of the transparent observation window 4, so that the debris flying on the surface can be scraped off, improving the cleanliness of the surface of the transparent observation window 4. The drilling table 6 can block the debris remaining after the workpiece is drilled. The shielding cover 3 is distributed on both sides of the drilling frame 1, which plays a protective purpose and avoids the large-scale flying of debris. After starting the micro motor 21, it drives the first screw rod 15 to rotate synchronously, thereby driving the convex plate 16 threadedly sleeved therewith to move up and down, and the reinforcing strip 20 is connected to the reinforcing strip 20. Next, the two cleaning rollers 18 are driven to move synchronously, so that the position height of the multiple brush strips 19 can be automatically adjusted to make them contact with the transparent observation window 4 more comprehensively. The chip guide hole 7 can guide the sprayed cutting fluid. After the staff rotates the rotating rod 25 clockwise, the second screw rod 22 is driven to rotate synchronously. Since the outer surface of the moving block 23 fits the inner wall of the drilling frame 1, the moving block 23 will move backward under the rotation of the second screw rod 22, which will drive the scraper 24 to move backward. The top of the scraper 24 and the bottom surface of the chip guide hole 7 scrape against each other, so that the bottom of the drilling table 6 can be cleaned.

[0043] 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 mechanical automated drilling device, comprising a drilling frame (1) and a drill bit (2), wherein the drill bit (2) is arranged inside the drilling frame (1), and is characterized in that: The top of the drilling frame (1) is provided with two shielding covers (3), and transparent observation windows (4) are provided inside the two shielding covers (3). The bottom of the drilling frame (1) is provided with a placement rack (8), and the top of the placement rack (8) is provided with a servo motor (9). The output shaft of the servo motor (9) is connected to a transmission tray (10), and the top of the transmission tray (10) is provided with a plurality of arc brackets (13). A processing frame (14) is provided at the top, a first screw rod (15) is provided inside the processing frame (14), two cleaning rollers (18) are provided at the top of the drilling frame (1), and a plurality of brush strips (19) are provided on the outer surfaces of the two cleaning rollers (18), a drilling table (6) is provided at the top of the drilling frame (1), a second screw rod (22) is provided inside the drilling frame (1), and a scraper (24) is provided at the bottom of the drilling table (6).

2. A mechanical automated drilling device according to claim 1, characterized in that: A transmission bar (11) is fixedly mounted in the middle of the top of the transmission tray (10), and extension bars (12) are fixedly mounted on one side of each of the plurality of arc-shaped brackets (13), and one end of each of the plurality of extension bars (12) is fixedly connected to the outer wall of the transmission bar (11).

3. A mechanical automated drilling device according to claim 1, characterized in that: A convex plate (16) is threadedly sleeved on one end of the first screw rod (15), arc blocks (17) are arranged at both ends of the two cleaning rollers (18), and a micro motor (21) is arranged on the top of the processing frame (14).

4. A mechanical automated drilling device according to claim 3, characterized in that: A support shaft (26) is provided between the inner walls of two adjacent arc-shaped blocks (17), the two cleaning rollers (18) are respectively fixedly sleeved on one end of the two support shafts (26), and the output shaft of the micro motor (21) is transmission-connected to one end of the first screw rod (15).

5. A mechanical automated drilling device according to claim 4, characterized in that: One end of the plurality of brush strips (19) is in contact with one side of the two transparent observation windows (4), respectively, and the two arc-shaped blocks (17) are fixedly connected via a reinforcement strip (20).

6. The mechanical automated drilling device according to claim 1, characterized in that: A chip collecting box (5) is provided on one side of the drilling frame (1), a rotating rod (25) is rotatably mounted on the other side of the drilling frame (1), a moving block (23) is threadedly sleeved on one end of the second screw rod (22), and one side of the scraper (24) is fixedly connected to one side of the moving block (23).

7. A mechanical automated drilling device according to claim 6, characterized in that: One end of the rotating rod (25) is fixedly connected to one end of the second screw rod (22); a plurality of chip guide holes (7) are provided on the surface of the drilling table (6); a plurality of supports (27) are fixedly installed on the bottom of the drilling frame (1); and the top of the scraper (24) is in contact with the bottom surface of the drilling table (6).

8. A drilling method for a mechanical automated drilling device, the method being applicable to a mechanical automated drilling device as claimed in claims 1 to 7, characterized in that : Includes the following steps: The first step is to place the workpieces to be processed on the surfaces of the plurality of arc-shaped brackets (13) in sequence, ensure that the drilling device operates normally, check that the drill bit (2) is in good condition, and when the servo motor (9) is started, the plurality of arc-shaped brackets (13) are driven to rotate, so that the distance between the plurality of workpieces and the drill bit (2) can be automatically adjusted; Step 2: The workpiece is placed at the bottom of the drill bit (2), and the workpiece is fixed by a fixing structure to prevent it from moving during the drilling process. Through two transparent observation windows (4), the staff can clearly see the drilling status of the workpiece from the surroundings; Step 3: Adjust the feed depth of the drill bit (2) according to the process requirements and set the depth limit of the drilling. The debris generated by the drilling will accumulate on the surface of the drilling table (6); Step 4: After drilling is completed, turn off the equipment and wait for it to come to a complete stop. Carefully remove the workpiece after drilling and check the quality and size of the hole.

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