Numerical control drilling device
By setting a limit device in the CNC drilling device and utilizing the cooperation of the threaded rod and the clamping plate, the problem of workpiece displacement caused by the component force generated by the drilling head is solved, and the processing accuracy is improved.
Patent Information
- Application Number
- CN202422880658.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-10-14
- Estimated Expiration
- 2034-11-25
AI Technical Summary
When drilling irregularly shaped workpieces, the component force generated by the drilling head causes the workpiece to shift on the operating table, resulting in an offset in the drilling position and reducing the processing accuracy of the CNC drilling machine.
A CNC drilling device was designed. By setting a limit device on the operating table and utilizing the cooperation of threaded rods and clamping plates, the workpiece can be fastened and fixed to prevent it from shifting during the machining process.
It effectively prevents the workpiece from shifting on the operating table and improves the processing accuracy of the CNC drilling device.
Smart Images
Figure CN223431289U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of drilling devices, in particular to a numerical control drilling device. Background Art
[0002] A CNC drilling machine is a high-precision machine tool that uses digital signals to control its movement. It can automatically complete various processing tasks such as drilling and milling according to computer programs. It is mainly used for drilling, reaming, chamfering and other processing, and is widely used in industries such as automobiles, molds, shipbuilding, aerospace, and engineering machinery.
[0003] When using a CNC drilling machine to drill irregularly shaped workpieces, the drill head may present a certain angle with the outside of the workpiece when it contacts the outer surface of the workpiece. In this way, when the drill head drills downward, a component force different from the vertical direction will be generated. This component force may cause the workpiece to shift on the operating table, and then cause the drilling position to shift, reducing the processing accuracy of the CNC drilling machine. Utility Model Content
[0004] The utility model proposes a CNC drilling device to solve the problem that when a drilling head drills an irregularly shaped workpiece, a component force different from the vertical direction is generated. This component force may cause the workpiece to shift on the operating table, and then cause the drilling position to shift, thereby reducing the processing accuracy of the CNC drilling machine.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a CNC drilling device, including an operating table, the four corners of the bottom of the operating table are fixedly connected to support blocks, the top of the operating table is provided with a limiting device, the limiting device includes two connecting plates, the two connecting plates are respectively arranged on both sides of the operating table, an extension device is provided between the two connecting plates and the operating table, the top of the connecting plate is fixedly connected to a side plate, the inner wall of the side plate is threadedly connected to a threaded rod, the ends of the two threaded rods that are close to each other are rotatably connected to a splint, one side of the top of the operating table is fixedly connected to an electric lifting rod, the top of the electric lifting rod is fixedly connected to a head body, one side of the head body is fixedly connected to an operating panel, and a drilling head is provided on one side of the bottom of the head body.
[0006] The effect achieved by the above components is: by setting two limit plates, under the action of two threaded rods, the threaded rods are rotated, and the threaded rods will extend and retract on the inner wall of the side plate. During the extension and retraction process, the threaded rods will drive the clamps to move synchronously until the two clamps completely clamp the workpiece placed on the top of the operating table. The workpiece and the operating table can be fixed, which is beneficial to prevent the workpiece from shifting on the top of the operating table during processing, and thus helps to improve the processing accuracy of the CNC drilling device.
[0007] Preferably, the two clamping plates are symmetrically connected with a round rod on the side away from each other, the outer surface of the round rod is in sliding connection with the inner wall of the side plate, and one end of the round rod is fixedly connected with a stopper.
[0008] The above component achieves the effect that: through the round rod, when the clamping plate moves under the action of the threaded rod, the clamping plate drives the two round rods to slide synchronously on the inner wall of the side plate, the two round rods can limit and guide the clamping plate, and through the stopper, the stopper can block one end of the round rod, which is beneficial to prevent the round rod from separating from the inner wall of the side plate due to misoperation.
[0009] Preferably, the outer surface of the threaded rod is threadedly connected with a nut, and the nut is arranged between the clamping plate and the side plate.
[0010] The above component achieves the effect that: through the nut, rotating the nut so that one side of the nut abuts against one side of the side plate, the nut can limit one end of the threaded rod, which is beneficial to prevent the clamping of the two clamping plates on the workpiece from loosening.
[0011] Preferably, the two threaded rods are fixedly connected with an operating block at the end away from each other, and the outer surface of the operating block is provided with a protrusion.
[0012] The above component achieves the effect that: through the operating block, rotating the operating block can drive the threaded rod to rotate, and the outer surface of the operating block is provided with a protrusion, which can effectively increase the friction of the outer surface of the operating block and has an anti-skid effect when the operating block is rotated.
[0013] Preferably, the two clamping plates are fixedly connected with a rubber plate on the side close to each other, and the rubber plate is uniformly provided with a groove on one side.
[0014] The above component achieves the effect that: through the rubber plate provided with the groove, the friction of one side of the clamping plate can be increased, the two clamping plates can more stably fix the workpiece, and the rubber plate can protect the outer surface of the workpiece.
[0015] Preferably, the extending device comprises a sleeve, one side of the sleeve is fixedly connected with the middle part of the bottom of the operation table, the inner wall of the sleeve is symmetrically connected with a rectangular plate in sliding connection, and one end of the rectangular plate is fixedly connected with one side of the connecting plate.
[0016] The effects achieved by the components are that: by arranging the sleeve and the rectangular plate, the rectangular plate is pushed to slide on the inner wall of the sleeve, which drives the side plates connected with the connecting plate to move synchronously on both sides of the top of the base, the connecting plate drives the clamping plates to move on the top of the operation table, and then when the width of the workpiece to be machined is wide, the distance between the two side plates can be adjusted, so that the two clamping plates can effectively limit the workpiece, and the application range of the drilling device is improved.
[0017] Preferably, the inner wall of the sleeve is symmetrically connected with a threaded pin through threads, and one end of the threaded pin is fixedly connected with a rotating block.
[0018] The effects achieved by the components are that: by arranging the threaded pin, rotating the threaded pin, and making one end of the threaded pin abut against one side of the rectangular plate, the rectangular plate and the sleeve can be fixed, which is beneficial to prevent the side plates from moving after adjustment and causing loosening of the clamping of the workpiece.
[0019] Preferably, one side of the rectangular plate is provided with an auxiliary groove, the inner wall of the auxiliary groove is fixedly connected with a rubber strip, and the threaded pin is arranged on one side of the rubber strip.
[0020] The effects achieved by the components are that: by arranging the rubber strip, one side of the rectangular plate can abut against one end of the threaded pin, and the friction between the threaded pin and the rectangular plate is increased, so that the threaded pin can more stably fix the rectangular plate and the sleeve.
[0021] Compared with the prior art, the advantages and positive effects of the drilling device are that:
[0022] In the drilling device, two limiting plates are arranged, and the threaded rods can drive the clamping plates to move synchronously under the action of the two threaded rods, until the two clamping plates completely clamp the workpiece placed on the top of the operation table, so that the workpiece and the operation table can be fixed, which is beneficial to prevent the workpiece from moving on the top of the operation table during machining, and thus the machining precision of the numerical control drilling device is improved. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the main body of the drilling device;
[0024] Figure 2 It is a schematic diagram of the three-dimensional structure of the limiting device of the drilling device;
[0025] Figure 3 It is a schematic diagram of the three-dimensional structure of the limiting device of the drilling device; Figure 2
[0026] Figure 4 It is a schematic diagram of the three-dimensional structure of the limiting device of the drilling device; Figure 2 An enlarged structural schematic view at B of FIG. 1.
[0027] Legend: 1, operation table; 2, support block; 3, limiting device; 31, connecting plate; 32, side plate; 33, threaded rod; 34, clamping plate; 35, round rod; 36, stop block; 37, nut; 38, operation block; 39, rubber plate; 4, extension device; 41, sleeve; 42, rectangular plate; 43, threaded pin; 44, rotating block; 45, auxiliary groove; 46, rubber strip; 5, electric lifting rod; 6, head body; 7, operation panel; 8, drilling head. DETAILED DESCRIPTION
[0028] Example 1, with reference to Figures 1-3 As shown, the embodiment discloses a numerical control drilling device, which comprises an operation table 1, support blocks 2 are fixedly connected to the four corners of the bottom of the operation table 1, a limiting device 3 is arranged on the top of the operation table 1, the limiting device 3 comprises two connecting plates 31, the two connecting plates 31 are arranged on the two sides of the operation table 1, an extension device 4 is arranged between the two connecting plates 31 and the operation table 1, a side plate 32 is fixedly connected to the top of the connecting plate 31, threaded rods 33 are threadedly connected to the inner wall of the side plate 32, clamping plates 34 are rotatably connected to the ends of the two threaded rods 33 close to each other, an electric lifting rod 5 is fixedly connected to one side of the top of the operation table 1, a head body 6 is fixedly connected to the top end of the electric lifting rod 5, an operation panel 7 is fixedly connected to one side of the head body 6, a drilling head 8 is arranged on one side of the bottom of the head body 6, two limiting plates are arranged, under the action of the two threaded rods 33, the threaded rods 33 are rotated, the threaded rods 33 will stretch and contract in the inner wall of the side plate 32, the clamping plates 34 will move synchronously in the process of stretching and contracting of the threaded rods 33, until the two clamping plates 34 clamp the workpiece placed on the top of the operation table 1 tightly, then the workpiece and the operation table 1 can be fixed, which is beneficial to prevent the workpiece from being displaced on the top of the operation table 1 in the process of machining, and further beneficial to improve the machining precision of the numerical control drilling device.
[0029] With reference to Figure 2 and Figure 3As shown, the two clamping plates 34 are symmetrically fixed and connected with round rods 35 on the sides away from each other, the outer surface of the round rod 35 is in sliding connection with the inner wall of the side plate 32, one end of the round rod 35 is fixedly connected with a stop block 36, by arranging the round rod 35, when the clamping plate 34 moves under the action of the threaded rod 33, the clamping plate 34 will drive the two round rods 35 to slide synchronously on the inner wall of the side plate 32, the two round rods 35 can limit and guide the clamping plate 34, and by arranging the stop block 36, the stop block 36 can block one end of the round rod 35, which is helpful to prevent the round rod 35 from separating from the inner wall of the side plate 32 due to misoperation; the outer surface of the threaded rod 33 is threadedly connected with a nut 37, the nut 37 is arranged between the clamping plate 34 and the side plate 32, by arranging the nut 37, rotating the nut 37 so that one side of the nut 37 abuts against one side of the side plate 32, the nut 37 can limit one end of the threaded rod 33, which is helpful to prevent the clamping of the two clamping plates 34 on the workpiece from loosening.
[0030] Referring to Figure 2 and Figure 3 As shown, the two threaded rods 33 are fixedly connected with operation blocks 38 on the ends away from each other, the outer surface of the operation block 38 is provided with a protrusion, by arranging the operation block 38, rotating the operation block 38 can drive the threaded rod 33 to rotate, and the outer surface of the operation block 38 is provided with a protrusion, which can effectively increase the friction of the outer surface of the operation block 38, and has an anti-skid effect when rotating the operation block 38; the two clamping plates 34 are fixedly connected with rubber plates 39 on the sides close to each other, recesses are uniformly formed in one side of the rubber plate 39, by arranging the rubber plate 39 with recesses, the friction on one side of the clamping plate 34 can be increased, which can make the fixation of the two clamping plates 34 on the workpiece more stable, and can also protect the outer surface of the workpiece.
[0031] Referring to Figure 2 and Figure 4 As shown, the extension device 4 comprises a sleeve 41, one side of the sleeve 41 is fixedly connected with the middle part of the bottom of the operation table 1, the inner wall of the sleeve 41 is symmetrically connected with a rectangular plate 42 in sliding connection, one end of the rectangular plate 42 is fixedly connected with one side of the connecting plate 31, by arranging the sleeve 41 and the rectangular plate 42, pushing the rectangular plate 42 to slide on the inner wall of the sleeve 41 will drive the side plate 32 connected with the connecting plate 31 to move synchronously on both sides of the top of the base, and the connecting plate 31 will drive the clamping plate 34 to move on the top of the operation table 1, and then when the width of the workpiece to be processed is wider, the distance between the two side plates 32 can be adjusted, so that the two clamping plates 34 can effectively limit the workpiece, thereby improving the application range of the drilling device.
[0032] Referring to Figure 2 and Figure 4As shown, the inner wall of the sleeve 41 is symmetrically connected with a threaded pin 43, one end of the threaded pin 43 is fixedly connected with a rotating block 44, by arranging the threaded pin 43, rotating the threaded pin 43, so that one end of the threaded pin 43 abuts against one side of the rectangular plate 42, then the rectangular plate 42 and the sleeve 41 can be fixed, which is beneficial to prevent the side plate 32 from being displaced after adjustment to cause loosening of the clamping of the workpiece; one side of the rectangular plate 42 is provided with an auxiliary groove 45, the inner wall of the auxiliary groove 45 is fixedly connected with a rubber strip 46, the threaded pin 43 is arranged at one side of the rubber strip 46, by arranging the rubber strip 46, the one side of the rectangular plate 42 can abut against one end of the threaded pin 43 instead, and the friction between the threaded pin 43 and the rectangular plate 42 is increased, so that the fixation of the threaded pin 43 between the rectangular plate 42 and the sleeve 41 is more stable.
[0033] Working principle: place the workpiece to be processed on the operating table 1, push the rectangular plate 42 to slide on the inner wall of the sleeve 41, the rectangular plate 42 will drive the side plate 32 to move synchronously until the side plate 32 reaches the appropriate position, then rotate the rotating block 44 to drive the threaded pin 43 to rotate, so that one end of the threaded pin 43 abuts against one side of the rubber strip 46, then the rectangular plate 42 and the sleeve 41 can be fixed; rotate the two operating blocks 38, the operating block 38 will drive the threaded rod 33 to extend and retract in the inner wall of the side plate 32, under the limiting of the circular rod 35, the threaded rod 33 will drive the clamping plate 34 to move synchronously until the rubber plate 39 on one side of the two clamping plates 34 completely clamps the workpiece placed on the top of the operating table 1, then rotate the nut 37 so that one side of the nut 37 abuts against one side of the side plate 32, then the nut 37 can limit one end of the threaded rod 33, which is beneficial to prevent loosening of the clamping of the workpiece by the two clamping plates 34, then the workpiece can be fixed between the operating table 1, which is beneficial to prevent the workpiece from being displaced on the top of the operating table 1 during processing, thereby improving the processing precision of the numerical control drilling device.
Claims
1. A numerical control drilling device, comprising an operating table (1), characterized in that: The four corners of the bottom of the operating table (1) are fixedly connected to support blocks (2); a limiting device (3) is provided on the top of the operating table (1); the limiting device (3) comprises two connecting plates (31); the two connecting plates (31) are respectively provided on both sides of the operating table (1); an extension device (4) is provided between the two connecting plates (31) and the operating table (1); the top of the connecting plate (31) is fixedly connected to a side plate (32); the inner wall of the side plate (32) is threadedly connected to a threaded rod (33); the ends of the two threaded rods (33) that are close to each other are rotatably connected to a clamping plate (34); one side of the top of the operating table (1) is fixedly connected to an electric lifting rod (5); the top of the electric lifting rod (5) is fixedly connected to a head body (6); one side of the head body (6) is fixedly connected to an operation panel (7); and one side of the bottom of the head body (6) is provided with a drilling head (8).
2. A CNC drilling device according to claim 1, characterized in that: The two splints (34) are symmetrically and fixedly connected to a round rod (35) on one side away from each other. The outer surface of the round rod (35) is slidably connected to the inner wall of the side plate (32). One end of the round rod (35) is fixedly connected to a stopper (36).
3. A CNC drilling device according to claim 1, characterized in that: The outer surface of the threaded rod (33) is threadedly connected with a nut (37), and the nut (37) is arranged between the clamping plate (34) and the side plate (32).
4. A CNC drilling device according to claim 1, characterized in that: The ends of the two threaded rods (33) that are away from each other are both fixedly connected to an operating block (38), and a protrusion is provided on the outer surface of the operating block (38).
5. The CNC drilling device according to claim 1, characterized in that: The adjacent sides of the two clamping plates (34) are both fixedly connected with a rubber plate (39), and grooves are evenly formed on one side of the rubber plate (39).
6. The CNC drilling device according to claim 1, characterized in that: The extension device (4) comprises a sleeve (41), one side of the sleeve (41) is fixedly connected to the middle of the bottom of the operating table (1), the inner wall of the sleeve (41) is symmetrically slidably connected to a rectangular plate (42), and one end of the rectangular plate (42) is fixedly connected to one side of the connecting plate (31).
7. A CNC drilling device according to claim 6, characterized in that: The inner wall of the sleeve (41) is symmetrically threaded with a threaded pin (43), and one end of the threaded pin (43) is fixedly connected to a rotating block (44).
8. A CNC drilling device according to claim 7, characterized in that: An auxiliary groove (45) is provided on one side of the rectangular plate (42), a rubber strip (46) is fixedly connected to the inner wall of the auxiliary groove (45), and the threaded pin (43) is arranged on one side of the rubber strip (46).