CN111001840B - Numerical control drilling device - Google Patents
Numerical control drilling device Download PDFInfo
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- CN111001840B CN111001840B CN201911255637.4A CN201911255637A CN111001840B CN 111001840 B CN111001840 B CN 111001840B CN 201911255637 A CN201911255637 A CN 201911255637A CN 111001840 B CN111001840 B CN 111001840B
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- rod
- pipe
- rotating pipe
- fixed
- rotating
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- 238000005553 drilling Methods 0.000 title claims abstract description 52
- 238000007789 sealing Methods 0.000 claims abstract description 71
- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 230000017525 heat dissipation Effects 0.000 claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 230000000712 assembly Effects 0.000 claims abstract description 8
- 238000000429 assembly Methods 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims description 19
- 239000004519 grease Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 239000011701 zinc Substances 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 239000000110 cooling liquid Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000002826 coolant Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
- B23B39/16—Drilling machines with a plurality of working-spindles; Drilling automatons
- B23B39/24—Drilling machines with a plurality of working-spindles; Drilling automatons designed for programme control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
- B23B47/34—Arrangements for removing chips out of the holes made; Chip- breaking arrangements attached to the tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/06—Drills with lubricating or cooling equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to a numerical control drilling device which comprises a drill rod, a rotating pipe and a fixed pipe, wherein the rotating pipe and the fixed pipe are coaxially arranged with the drill rod, the outer diameter of the rotating pipe is smaller than the diameter of the drill rod and is equal to the inner diameter of the fixed pipe, a driving device is arranged on the rotating pipe and is in transmission connection with the rotating pipe, one end of the rotating pipe is fixed on the drill rod, the other end of the rotating pipe is inserted into the fixed pipe, the rotating pipe is in sliding and sealing connection with the inner wall of the fixed pipe, an auxiliary mechanism and a cooling mechanism are arranged in the rotating pipe, the auxiliary mechanism comprises a pushing assembly and three auxiliary assemblies, the auxiliary assemblies are uniformly distributed in the circumferential direction by taking the axis of the rotating pipe as the center, the numerical control drilling device improves the stability of drilling through the auxiliary mechanism, and the heat dissipation capacity is improved through the cooling mechanism.
Description
Technical Field
The invention relates to the field of numerical control machine tools, in particular to a numerical control drilling device.
Background
The numerical control machine tool is a digital control machine tool for short, and is an automatic machine tool provided with a program control system. The control system is capable of logically processing and decoding a program defined by a control code or other symbolic instructions, represented by coded numbers, which are input to the numerical control device via the information carrier. After operation, the numerical control device sends out various control signals to control the action of the machine tool, and the parts are automatically machined according to the shape and the size required by the drawing.
Numerically-controlled drilling machine is a kind of digit control machine tool, current numerically-controlled drilling machine is at the drilling in-process, when the degree of depth of drilling is great, the radial runout of drilling rod is big more, easily lead to the drilling rod rupture, the stability and the reliability of drilling have been reduced, moreover, in order to realize the heat dissipation when drilling, need cool off through the coolant liquid among the drilling process, and when drilling did not pierce through, the drilling was the blind hole, the coolant liquid that leads to the absorbed heat is difficult to discharge from the hole, the heat-sinking capability has been reduced, the practicality has been reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, a numerical control drilling device is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a numerical control drilling device comprises a drill rod, a rotating pipe and a fixed pipe, wherein the rotating pipe and the fixed pipe are coaxially arranged with the drill rod, the outer diameter of the rotating pipe is smaller than the diameter of the drill rod and equal to the inner diameter of the fixed pipe, a driving device is arranged on the rotating pipe and is in transmission connection with the rotating pipe, one end of the rotating pipe is fixed on the drill rod, the other end of the rotating pipe is inserted into the fixed pipe, the rotating pipe is in sliding and sealing connection with the inner wall of the fixed pipe, and an auxiliary mechanism and a cooling mechanism are arranged in the rotating pipe;
the auxiliary mechanism comprises a pushing assembly and three auxiliary assemblies, and the auxiliary assemblies are circumferentially and uniformly distributed by taking the axis of the rotating pipe as a center;
the auxiliary assembly comprises a moving rod, a ball, a mounting hole and three guide units, wherein the axis of the moving rod is perpendicular to and intersected with the axis of the rotating pipe, the mounting hole is formed in the rotating pipe, the moving rod penetrates through the mounting hole and is in sliding and sealing connection with the inner wall of the mounting hole, a groove is formed in one side, away from the axis of the rotating pipe, of the moving rod, the center of the ball is arranged in the groove, the ball is matched with the groove and is in sliding connection with the inner wall of the groove, the sphere diameter of the ball is larger than the width of a notch of the groove, 2 times of the distance between one end, away from the axis of the rotating pipe, of the ball and the axis of the rotating pipe is smaller than the diameter of the drill rod, the guide units are uniformly distributed on the moving rod in the circumferential direction by taking the axis of the moving rod as the center, the pushing assembly is arranged at one end, close to the axis of the rotating pipe, of the moving rod and drives the, the guide unit drives the moving rod to move along the axis of the moving rod towards the direction close to the axis of the rotating pipe;
the cooling mechanism comprises a fixed rod, a transmission rod, a connecting pipe, a sealing ring, two stirring rods and three sealing rods, wherein the axis of the fixed rod is perpendicular to and intersected with the axis of the fixed pipe, the transmission rod is parallel to the rotating pipe, the stirring rod is parallel to the rotating pipe, one end of the drill rod, which is close to the fixed pipe, is provided with a heat dissipation hole, the heat dissipation hole is a blind hole and is coaxially arranged with the rotating pipe, the aperture of the heat dissipation hole is smaller than the inner diameter of the rotating pipe, the diameter of the fixed rod, the diameter of the transmission rod and the diameter of the stirring rod are all smaller than the inner diameter of the heat dissipation hole of the rotating pipe, the fixed rod is arranged in the fixed pipe, two ends of the fixed rod are all fixed on the inner wall of the fixed pipe, one end of the transmission rod is fixed on the fixed rod, the other, the stirring rod is fixedly connected with the transmission rod, the connecting pipe and the sealing ring are coaxially arranged with the rotating pipe, the inner diameter of the sealing ring is equal to the outer diameter of the rotating pipe, the outer diameter of the sealing ring is smaller than the diameter of the drill rod and is equal to the outer diameter of the connecting pipe, the inner diameter of the connecting pipe is larger than 2 times of the distance between one end of the moving rod, far away from the rotating pipe, and the axis of the rotating pipe, the connecting pipe and the sealing ring are both positioned at one side of the ball, far away from the drill rod, the rotating pipe respectively penetrates through the sealing ring and the connecting pipe, the rotating pipe is sealed and fixedly connected with the inner wall of the sealing ring, one end of the connecting pipe is sealed and fixedly connected with one side of the sealing ring, near the drill rod, flow guide holes are formed in the three moving rods, the flow guide holes are positioned in the connecting pipe, the flow guide holes, one end of the sealing rod is inserted into one end, close to the axis of the rotating pipe, of the flow guide hole, the other end of the sealing rod is fixedly connected with the inner wall of the rotating pipe, and the sealing rod is connected with the inner wall of the flow guide hole in a sliding and sealing mode.
Preferably, in order to drive the movable rod to move towards the direction far away from the axis of the rotating pipe, the pushing assembly comprises a pushing ring, three electromagnets and three connecting rods, the pushing ring and the transmission rod are coaxially arranged, the pushing ring is positioned on one side, far away from the drill rod, of the movable rod, the inner diameter of the pushing ring is equal to the diameter of the transmission rod, the outer diameter of the pushing ring is smaller than the inner diameter of the rotating pipe, the transmission rod penetrates through the pushing ring, the transmission rod is in sliding connection with the inner wall of the pushing ring, the connecting rods and the electromagnets are in one-to-one correspondence with the movable rod, the electromagnets are abutted against and fixed on the transmission rod with one side, far away from the drill rod, of the pushing ring is hinged with one end, close to the axis of the rotating pipe, of the moving rod through the connecting rod, the connecting rod is obliquely arranged, and the distance between one end, close to the pushing ring, of the connecting rod and the axis of, the material of the push ring is a magnet.
As preferred, rotate for the drive rotating tube, drive arrangement includes driving motor, drive gear, driven gear and three connection ball, driving motor and fixed pipe fixed connection, driving motor is connected with the drive gear transmission, driven gear installs on the rotating tube, drive gear and driven gear meshing, be equipped with the ring channel on the inner wall of fixed pipe, the ring channel is located one side of keeping away from the drilling rod of rotating tube, connect the axis that the ball used fixed pipe as central circumference evenly distributed, the centre of sphere of connecting the ball sets up in the ring channel, connect ball and ring channel matching and with the inner wall sliding connection of ring channel, the sphere diameter of connecting the ball is greater than the notch width of ring channel, connect ball and rotating tube fixed connection.
Preferably, the drive motor is a servo motor in order to increase the drive force of the drive motor.
Preferably, in order to drive the movable rod to move towards the direction close to the axis of the rotating pipe, the guide unit comprises a guide rod, a fixed block, a spring and a through hole, the guide rod is parallel to the movable rod, the through hole is formed in the rotating pipe, the guide rod penetrates through the through hole, the guide rod is connected with the inner wall of the through hole in a sliding and sealing mode, one end, far away from the axis of the rotating pipe, of the guide rod is fixedly connected with the movable rod through the fixed block, the spring is located between the fixed block and the rotating pipe, and the fixed block is connected with the rotating pipe through.
Preferably, the guide rod is coated with grease in order to reduce friction between the guide rod and the inner wall of the through hole.
Preferably, in order to improve the gap between the inner wall of the fixed pipe and the rotating pipe and ensure the sealing, the joint of the fixed pipe and the rotating pipe is coated with sealing grease.
Preferably, in order to prolong the service life of the rotating pipe, the rotating pipe is provided with an anti-corrosion zinc coating.
Preferably, in order to facilitate the sealing rod to be inserted into the flow guide hole, both ends of the sealing rod are provided with chamfers.
Preferably, in order to improve the heat dissipation effect, the rotating pipe is coated with heat-conducting silica gel.
The numerical control drilling device has the beneficial effects that the stability of drilling is improved through the auxiliary mechanism, compared with the conventional auxiliary mechanism, the auxiliary mechanism is ingenious in structure and higher in practicability, the heat dissipation capacity is improved through the cooling mechanism, and compared with the conventional cooling mechanism, the cooling mechanism also improves the capacity of discharging scraps and is higher in practicability.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a numerically controlled drilling apparatus of the present invention;
FIG. 2 is a schematic structural diagram of an auxiliary mechanism of the numerically controlled drilling device of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1;
FIG. 4 is an enlarged view of portion B of FIG. 1;
in the figure: 1. the device comprises a drill rod, 2 a rotating pipe, 3 a fixed pipe, 4 a moving rod, 5 a ball, 6 a fixed rod, 7 a transmission rod, 8 a connecting pipe, 9 a sealing ring, 10 a stirring rod, 11 a sealing rod, 12 a pushing ring, 13 an electromagnet, 14 a connecting rod, 15 a driving motor, 16 a driving gear, 17 a driven gear, 18 a connecting ball, 19 a guide rod, 20 a fixed block and 21 a spring.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1-2, a numerical control drilling device comprises a drill rod 1, a rotating pipe 2 and a fixed pipe 3, wherein the rotating pipe 2 and the fixed pipe 3 are both arranged coaxially with the drill rod 1, the outer diameter of the rotating pipe 2 is smaller than the diameter of the drill rod 1 and equal to the inner diameter of the fixed pipe 3, a driving device is arranged on the rotating pipe 2, the driving device is in transmission connection with the rotating pipe 2, one end of the rotating pipe 2 is fixed on the drill rod 1, the other end of the rotating pipe 2 is inserted into the fixed pipe 3, the rotating pipe 2 is in sliding and sealing connection with the inner wall of the fixed pipe 3, and an auxiliary mechanism and a cooling mechanism are arranged in the rotating pipe 2;
the auxiliary mechanism comprises a pushing assembly and three auxiliary assemblies, and the auxiliary assemblies are circumferentially and uniformly distributed by taking the axis of the rotating pipe 2 as a center;
the auxiliary assembly includes carriage release lever 4, ball 5, mounting hole and three guide unit, the axis of carriage release lever 4 is perpendicular and crossing with the axis of rotating-tube 2, the mounting hole sets up on rotating-tube 2, carriage release lever 4 passes the mounting hole, carriage release lever 4 pass the mounting hole and with the inner wall slip and sealing connection of mounting hole, one side of keeping away from rotating-tube 2 axis of carriage release lever 4 is equipped with the recess, the centre of sphere of ball 5 sets up in the recess, ball 5 with the recess match and with the inner wall sliding connection of recess, the diameter of ball 5 is greater than the notch width of recess, 2 times of the distance between one end of keeping away from rotating-tube 2 axis of ball 5 and rotating-tube 2 axis is less than the diameter of drilling rod 1, guide unit uses the axis of carriage release lever 4 as central circumference evenly distributed on carriage release lever 4, promote the subassembly setting in the one end of carriage release lever 4 that is close to rotating-tube 2 axis and drive carriage release lever 4 along the carriage release lever 2 axis 4 moves away from the axis of the rotating tube 2, and the guide unit drives the moving rod 4 to move towards the direction close to the axis of the rotating tube 2 along the axis of the moving rod 4;
the cooling mechanism comprises a fixed rod 6, a transmission rod 7, a connecting pipe 8, a sealing ring 9, two stirring rods 10 and three sealing rods 11, wherein the axis of the fixed rod 6 is perpendicular to and intersected with the axis of the fixed pipe 3, the transmission rod 7 is parallel to the rotating pipe 2, the stirring rods 10 are parallel to the rotating pipe 2, one end of the drill rod 1, which is close to the fixed pipe 3, is provided with a heat dissipation hole, the heat dissipation hole is a blind hole and is coaxially arranged with the rotating pipe 2, the aperture of the heat dissipation hole is smaller than the inner diameter of the rotating pipe 2, the diameter of the fixed rod 6, the diameter of the transmission rod 7 and the diameter of the stirring rods 10 are smaller than the inner diameter of the heat dissipation hole of the rotating pipe 2, the fixed rod 6 is arranged in the fixed pipe 3, two ends of the fixed rod 6 are fixed on the inner wall of the fixed pipe 3, one end of the, the stirring rods 10 are circumferentially and uniformly distributed in the heat dissipation holes by taking the axis of the rotating pipe 2 as a center, the stirring rods 10 are fixedly connected with the transmission rod 7, the connecting pipe 8 and the sealing ring 9 are coaxially arranged with the rotating pipe 2, the inner diameter of the sealing ring 9 is equal to the outer diameter of the rotating pipe 2, the outer diameter of the sealing ring 9 is smaller than the diameter of the drill rod 1 and is equal to the outer diameter of the connecting pipe 8, the inner diameter of the connecting pipe 8 is larger than 2 times of the distance between one end of the moving rod 4, far away from the rotating pipe 2, and the axis of the rotating pipe 2, the connecting pipe 8 and the sealing ring 9 are both positioned on one side of the ball 5, far away from the drill rod 1, the rotating pipe 2 respectively penetrates through the sealing ring 9 and the connecting pipe 8, the rotating pipe 2 is sealed and fixedly connected with the inner wall of the sealing ring 9, one end of the connecting pipe 8 is, the water conservancy diversion hole is located connecting pipe 8, the water conservancy diversion hole is parallel with carriage release lever 4, sealing rod 11 and water conservancy diversion hole one-to-one and coaxial setting, sealing rod 11's diameter equals with the aperture in water conservancy diversion hole, the one end that is close to the axis of rotating tube 2 in water conservancy diversion hole is inserted to sealing rod 11's one end, sealing rod 11's the other end and rotating tube 2's inner wall fixed connection, sealing rod 11 slides and sealing connection with the inner wall in water conservancy diversion hole.
The method is characterized in that one end of a fixed pipe 3, which is far away from a drill rod 1, is connected with an external cooling liquid conveying device and a moving device, the fixed pipe 3 is moved through the moving device, cooling liquid is conveyed into the fixed pipe 3 through the cooling liquid conveying device, during the period, the rotating pipe 2 is rotated through a driving device, the drill rod 1 is driven to rotate through the rotation of the rotating pipe 2, the drill hole is realized after the drill rod 1 is abutted against a processing workpiece, meanwhile, after the drill rod 1 is moved into the drilled hole, a moving rod 4 is driven to move towards the direction far away from the axis of the rotating pipe 2 through a pushing assembly, so that the moving rod 4 drives a ball 5 to realize synchronous movement, the ball 5 is abutted against the inner wall of the drilled hole of the drill rod 1, the function of supporting the rotation of the rotating pipe 2 is realized, the radial run-out generated during the rotation of the drill rod 1 can be reduced, the stability is improved, here, the number of the ball, meanwhile, during drilling, the cooling liquid in the fixed pipe 3 is conveyed into the rotating pipe 2, the sealing rod 11 is separated from the flow guide hole by the movement of the moving rod 4, so that the cooling liquid in the rotating pipe 2 can be discharged from the flow guide hole and conveyed into the connecting pipe 8, and then the cooling liquid is discharged from one end of the connecting pipe 8 close to the drill rod 1, so that the heat of the cooling liquid in the drill hole of the drill rod 1 is absorbed and discharged from the drill hole of the drill rod 1, and the heat dissipation effect is improved, meanwhile, the flowing of the cooling liquid can facilitate the discharge of the chips generated during drilling from the holes, improve the drilling effect, and lead the fixed pipe 3 to be in a static state during the rotation of the rotating pipe 2 through the driving device, therefore, the stirring rod 10 is in a static state in the rotating process of the drill rod 1, the stirring rod 10 is realized by the cooling liquid in the heat dissipation hole, the heat absorption of the cooling liquid on the drill rod 1 is improved, and the heat dissipation capacity is improved.
As shown in fig. 3, the pushing assembly includes a pushing ring 12, three electromagnets 13 and three connecting rods 14, the pushing ring 12 is coaxially disposed with the transmission rod 7, the pushing ring 12 is located on one side of the moving rod 4 far away from the drill rod 1, the inner diameter of the pushing ring 12 is equal to the diameter of the transmission rod 7, the outer diameter of the pushing ring 12 is smaller than the inner diameter of the rotating pipe 2, the transmission rod 7 penetrates through the pushing ring 12, the transmission rod 7 is slidably connected with the inner wall of the pushing ring 12, the connecting rods 14 and the electromagnets 13 are respectively in one-to-one correspondence with the moving rod 4, the electromagnets 13 are abutted against and fixed on the transmission rod 7 on one side of the pushing ring 12 far away from the drill rod 1, one side of the pushing ring 12 near the drill rod 1 is hinged to one end of the moving rod 4 near the axis of the rotating pipe 2 through the connecting rod 14, the connecting rod 14 is obliquely disposed, and the distance between one end of the connecting rod 14 near the pushing ring 12 and the axis of the rotating pipe 2 is smaller The material of the push ring 12 is a magnet.
The electromagnet 13 is powered on, so that mutually repulsive acting force is generated between the electromagnet 13 and the pushing ring 12 made of the magnet material, the pushing ring 12 moves towards the direction close to the drill rod 1, the connecting rod 14 drives the moving rod 4 to move, and when the electromagnet 13 is powered off, the moving rod 4 is reset through the guide unit.
As shown in fig. 4, drive arrangement includes driving motor 15, drive gear 16, driven gear 17 and three connection ball 18, driving motor 15 and fixed pipe 3 fixed connection, driving motor 15 is connected with drive gear 16 transmission, driven gear 17 installs on rotating tube 2, drive gear 16 and driven gear 17 meshing, be equipped with the ring channel on the inner wall of fixed pipe 3, the ring channel is located one side of keeping away from drilling rod 1 of rotating tube 2, it uses the axis of fixed pipe 3 as center circumference evenly distributed to connect ball 18, the centre of sphere of connecting ball 18 sets up in the ring channel, connect ball 18 and ring channel match and with the inner wall sliding connection of ring channel, the sphere diameter of connecting ball 18 is greater than the notch width of ring channel, connect ball 18 and rotating tube 2 fixed connection.
The driving motor 15 drives, makes the drive gear 16 drive driven gear 17 and rotate to make the rotating tube 2 rotate, here, the rotation of rotating tube 2 drives and connects ball 18 and slide in the ring channel, avoids fixed pipe 3 to realize synchronous rotation, and, has still played the function of supporting rotating tube 2 pivoted through connecting ball 18.
Preferably, the driving motor 15 is a servo motor in order to increase the driving force of the driving motor 15.
The driving motor 15 has a characteristic of strong overload capability, and the driving force of the driving motor 15 can be improved.
Preferably, in order to drive the moving rod 4 to move towards the direction close to the axis of the rotating tube 2, the guide unit comprises a guide rod 19, a fixed block 20, a spring 21 and a through hole, the guide rod 19 is parallel to the moving rod 4, the through hole is formed in the rotating tube 2, the guide rod 19 passes through the through hole, the guide rod 19 is connected with the inner wall of the through hole in a sliding and sealing manner, one end, far away from the axis of the rotating tube 2, of the guide rod 19 is fixedly connected with the moving rod 4 through the fixed block 20, the spring 21 is located between the fixed block 20 and the rotating tube 2, and the fixed block 20 is connected with the rotating tube 2 through the spring.
When the movable rod 4 moves away from the axis of the rotating tube 2, the movable rod 4 moves through the fixed block 20 to drive the guide rod 19 to move synchronously and stretch the spring 21, and when the electromagnet 13 is powered off, the movable rod 4 is reset under the elastic action of the spring 21.
Preferably, the guide rod 19 is coated with grease in order to reduce the friction between the guide rod 19 and the inner wall of the through hole.
The lubricating grease has the characteristic of insolubility in water, can reduce the friction force between the guide rod 19 and the inner wall of the through hole, and improves the moving fluency of the guide rod 19.
Preferably, in order to improve the gap between the inner wall of the fixed tube 3 and the rotating tube 2 and ensure the sealing, the joint of the fixed tube 3 and the rotating tube 2 is coated with sealing grease.
The sealing grease has the characteristic of insolubility in water, can improve the clearance between the inner wall of the fixed pipe 3 and the rotating pipe 2, and improves the sealing property.
Preferably, in order to prolong the service life of the rotating pipe 2, the rotating pipe 2 is provided with an anti-corrosion zinc coating.
The anti-corrosion zinc coating is used for improving the anti-rust capacity of the rotating pipe 2 and prolonging the service life of the rotating pipe 2.
Preferably, in order to facilitate the insertion of the sealing rod 11 into the flow guide hole, both ends of the sealing rod 11 are provided with chamfers.
The chamfer has the effect of reducing the caliber of the sealing rod 11 when the sealing rod is inserted into the flow guide hole and facilitating the matching of the sealing rod 11 and the flow guide hole.
Preferably, in order to improve the heat dissipation effect, the rotating pipe 2 is coated with heat-conducting silica gel.
The effect of heat conduction silica gel promotes the ability that the rotating tube 2 absorbed heat and discharged on the drilling rod 1, promotes the radiating effect.
The end of the fixed pipe 3 far away from the drill rod 1 is connected with an external cooling liquid conveying device and a moving device, the fixed pipe 3 is moved by the moving device, and the cooling liquid is conveyed into the fixed pipe 3 by the cooling liquid conveying device, during the period, a driving motor 15 is driven to drive a driving gear 16 to drive a driven gear 17 to rotate, so that the rotating pipe 2 rotates, here, the rotating pipe 2 rotates to drive a connecting ball 18 to slide in an annular groove, the fixed pipe 3 is prevented from realizing synchronous rotation, in addition, the connecting ball 18 also has the function of supporting the rotating pipe 2 to rotate, the rotating pipe 2 rotates to drive the drill rod 1 to rotate, the drill rod 1 is abutted against a processing workpiece to realize drilling, meanwhile, after the drill rod 1 moves into the drilled hole, the electromagnet 13 is electrified, so that mutually exclusive acting force is generated between the electromagnet 13 and a pushing ring 12 made of the magnet material, so that the pushing ring 12 moves towards the direction close to the drill rod 1, the connecting rod 14 drives the moving rod 4 to move towards the direction far away from the axis of the rotating pipe 2, so that the moving rod 4 drives the balls 5 to realize synchronous movement, the balls 5 are abutted against the inner wall of a drilled hole of the drill rod 1, the function of supporting the rotating pipe 2 to rotate is achieved, the radial runout generated during the rotation of the drill rod 1 can be reduced, the stability is improved, the number of the balls 5 is three, the reliability of the rotation of the rotating pipe 2 is improved according to the principle of stable triangle, meanwhile, the moving of the moving rod 4 drives the guide rod 19 to realize synchronous movement through the fixed block 20, the spring 21 is stretched, during the drilling, the cooling liquid in the fixed pipe 3 is conveyed into the rotating pipe 2, the sealing rod 11 is separated from the flow guide hole through the moving of the moving rod 4, the cooling liquid in the rotating pipe 2 can be discharged from the flow guide hole and conveyed into the drill rod 8, and then the cooling liquid is discharged from one end, close to the drill rod 1, of the, make the coolant liquid heat absorption heat in the drilling of drilling rod 1 discharge from drilling rod 1 drilling, the radiating effect has been improved, and simultaneously, through the flow of coolant liquid, the piece that produces when can also be convenient for drill is discharged from the hole, promote the drilling effect, and, make the rotating tube 2 rotate the fixed tube 3 during period be in quiescent condition through drive arrangement, thereby make drilling rod 1 rotate in-process stirring rod 10 and be in quiescent condition, make the coolant liquid in the radiating hole realize stirring rod 10, improve the heat on the coolant liquid absorption drilling rod 1, promote the heat-sinking capability.
Compared with the prior art, this numerical control drilling equipment has improved the stability of drilling through complementary unit, compares with current complementary unit, and this complementary unit structure is ingenious, and the practicality is stronger, and not only so, still improved the heat-sinking capability through cooling body, compares with current cooling body, and this cooling body has still promoted the clastic ability of discharge, and the practicality is stronger.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A numerical control drilling device comprises a drill rod (1), a rotating pipe (2) and a fixed pipe (3), wherein the rotating pipe (2) and the fixed pipe (3) are coaxially arranged with the drill rod (1), the outer diameter of the rotating pipe (2) is smaller than the diameter of the drill rod (1) and equal to the inner diameter of the fixed pipe (3), a driving device is arranged on the rotating pipe (2), the driving device is in transmission connection with the rotating pipe (2), one end of the rotating pipe (2) is fixed on the drill rod (1), the other end of the rotating pipe (2) is inserted into the fixed pipe (3), and the rotating pipe (2) and the inner wall of the fixed pipe (3) are in sliding and sealing connection;
the auxiliary mechanism comprises a pushing assembly and three auxiliary assemblies, and the auxiliary assemblies are circumferentially and uniformly distributed by taking the axis of the rotating pipe (2) as a center;
the auxiliary assembly comprises a moving rod (4), a ball (5), a mounting hole and three guide units, wherein the axis of the moving rod (4) is perpendicular to and intersected with the axis of the rotating pipe (2), the mounting hole is formed in the rotating pipe (2), the moving rod (4) penetrates through the mounting hole and is in sliding and sealing connection with the inner wall of the mounting hole, a groove is formed in one side, away from the axis of the rotating pipe (2), of the moving rod (4), the center of the ball (5) is arranged in the groove, the ball (5) is matched with the groove and is in sliding connection with the inner wall of the groove, the diameter of the ball (5) is larger than the width of a notch of the groove, 2 times of the distance between one end, away from the axis of the rotating pipe (2), of the ball (5) and the axis of the rotating pipe (2) is smaller than the diameter of the drill rod (1), and the guide units are circumferentially and uniformly distributed on the moving rod (4) by taking the axis of the moving rod, the pushing assembly is arranged at one end, close to the axis of the rotating pipe (2), of the moving rod (4) and drives the moving rod (4) to move towards the direction far away from the axis of the rotating pipe (2) along the axis of the moving rod (4), and the guide unit drives the moving rod (4) to move towards the direction close to the axis of the rotating pipe (2) along the axis of the moving rod (4);
the cooling mechanism comprises a fixed rod (6), a transmission rod (7), a connecting pipe (8), a sealing ring (9), two stirring rods (10) and three sealing rods (11), wherein the axis of the fixed rod (6) is perpendicular to and intersected with the axis of the fixed pipe (3), the transmission rod (7) is parallel to the rotating pipe (2), the stirring rods (10) are parallel to the rotating pipe (2), a heat dissipation hole is formed in one end, close to the fixed pipe (3), of the drill rod (1), the heat dissipation hole is a blind hole and is coaxially arranged with the rotating pipe (2), the hole diameter of the heat dissipation hole is smaller than the inner diameter of the rotating pipe (2), the diameter of the fixed rod (6), the diameter of the transmission rod (7) and the diameter of the stirring rods (10) are smaller than the inner diameter of the heat dissipation hole of the rotating pipe (2), the fixed rod (6) is arranged in the fixed pipe (3), and two ends of the fixed rod (6) are fixed on the inner wall of the, one end of the transmission rod (7) is fixed on the fixed rod (6), the other end of the transmission rod (7) is arranged in the heat dissipation hole, the stirring rod (10) is circumferentially and uniformly distributed in the heat dissipation hole by taking the axis of the rotating pipe (2) as a center, the stirring rod (10) is fixedly connected with the transmission rod (7), the connecting pipe (8) and the sealing ring (9) are coaxially arranged with the rotating pipe (2), the inner diameter of the sealing ring (9) is equal to the outer diameter of the rotating pipe (2), the outer diameter of the sealing ring (9) is smaller than the diameter of the drill pipe (1) and is equal to the outer diameter of the connecting pipe (8), the inner diameter of the connecting pipe (8) is larger than 2 times of the distance between one end of the moving rod (4) far away from the rotating pipe (2) and the axis of the rotating pipe (2), and the connecting pipe (8) and the sealing ring (9) are both positioned on one side of the, the rotating pipe (2) respectively penetrates through the sealing ring (9) and the connecting pipe (8), the rotating pipe (2) is hermetically and fixedly connected with the inner wall of the sealing ring (9), one end of the connecting pipe (8) is hermetically and fixedly connected with one side of the sealing ring (9) close to the drill rod (1), three moving rods (4) are provided with flow guide holes, the flow guide hole is positioned in the connecting pipe (8) and is parallel to the movable rod (4), the sealing rods (11) are in one-to-one correspondence with the diversion holes and are coaxially arranged, the diameter of each sealing rod (11) is equal to the aperture of each diversion hole, one end of the sealing rod (11) is inserted into one end of the diversion hole close to the axis of the rotating pipe (2), the other end of the sealing rod (11) is fixedly connected with the inner wall of the rotating pipe (2), and the sealing rod (11) is connected with the inner wall of the flow guide hole in a sliding and sealing mode.
2. The numerical control drilling device as recited in claim 1, characterized in that the pushing assembly comprises a pushing ring (12), three electromagnets (13) and three connecting rods (14), the pushing ring (12) and the transmission rod (7) are coaxially arranged, the pushing ring (12) is located on one side of the moving rod (4) far away from the drill rod (1), the inner diameter of the pushing ring (12) is equal to the diameter of the transmission rod (7), the outer diameter of the pushing ring (12) is smaller than the inner diameter of the rotating tube (2), the transmission rod (7) penetrates through the pushing ring (12), the transmission rod (7) is in sliding connection with the inner wall of the pushing ring (12), the connecting rods (14) and the electromagnets (13) are in one-to-one correspondence with the moving rod (4), the electromagnets (13) and one side of the pushing ring (12) far away from the drill rod (1) abut against and are fixed on the transmission rod (7), one side of the pushing ring (12) close to the drill rod (1) is hinged to one end, close to the axis of the rotating pipe (2), of the moving rod (4) through a connecting rod (14), the connecting rod (14) is obliquely arranged, the distance between one end, close to the pushing ring (12), of the connecting rod (14) and the axis of the rotating pipe (2) is smaller than the distance between the other end of the connecting rod (14) and the axis of the rotating pipe (2), and the pushing ring (12) is made of a magnet.
3. The numerical control drilling device as recited in claim 1, wherein the driving device comprises a driving motor (15), a driving gear (16), a driven gear (17) and three connecting balls (18), the driving motor (15) is fixedly connected with the fixed pipe (3), the driving motor (15) is in transmission connection with the driving gear (16), the driven gear (17) is installed on the rotating pipe (2), the driving gear (16) is meshed with the driven gear (17), an annular groove is arranged on the inner wall of the fixed pipe (3), the annular groove is positioned on one side of the rotating pipe (2) far away from the drill rod (1), the connecting balls (18) are circumferentially and uniformly distributed by taking the axis of the fixed pipe (3) as a center, the center of the connecting ball (18) is arranged in the annular groove, and the connecting ball (18) is matched with the annular groove and is in sliding connection with the inner wall of the annular groove, the ball diameter of the connecting ball (18) is larger than the width of the notch of the annular groove, and the connecting ball (18) is fixedly connected with the rotating pipe (2).
4. A numerically controlled drilling device according to claim 3, characterized in that said drive motor (15) is a servo motor.
5. The numerical control drilling device as recited in claim 1, wherein the guide unit comprises a guide rod (19), a fixed block (20), a spring (21) and a through hole, the guide rod (19) is parallel to the moving rod (4), the through hole is formed in the rotating tube (2), the guide rod (19) penetrates through the through hole, the guide rod (19) is connected with the inner wall of the through hole in a sliding and sealing mode, one end, far away from the axis of the rotating tube (2), of the guide rod (19) is fixedly connected with the moving rod (4) through the fixed block (20), the spring (21) is located between the fixed block (20) and the rotating tube (2), and the fixed block (20) is connected with the rotating tube (2) through the spring (21).
6. The numerical control drilling device according to claim 5, characterized in that the guide rod (19) is coated with grease.
7. The numerical control drilling device as recited in claim 1, characterized in that the joint of the fixed tube (3) and the rotating tube (2) is coated with sealing grease.
8. The numerical control drilling device according to claim 1, characterized in that the rotating pipe (2) is provided with an anti-corrosion zinc coating.
9. The numerical control drilling device according to claim 1, characterized in that both ends of the sealing rod (11) are provided with chamfers.
10. The numerical control drilling device according to claim 1, characterized in that the rotating tube (2) is coated with heat-conducting silica gel.
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| CN201911255637.4A CN111001840B (en) | 2019-12-10 | 2019-12-10 | Numerical control drilling device |
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| CN201911255637.4A CN111001840B (en) | 2019-12-10 | 2019-12-10 | Numerical control drilling device |
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| CN111774617B (en) * | 2020-07-03 | 2021-06-18 | 台州市英络克工具有限公司 | Drill bit |
| CN113600871B (en) * | 2021-10-08 | 2021-12-17 | 江苏拓博制冷科技有限公司 | Drilling die for machining part of refrigeration equipment |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0843609B1 (en) * | 1995-08-08 | 1999-09-29 | Kennametal Inc. | Boring tool, in particular drill |
| JP2006051580A (en) * | 2004-08-13 | 2006-02-23 | Makino J Kk | Working device |
| JP2013035094A (en) * | 2011-08-05 | 2013-02-21 | Mitsubishi Materials Corp | Cutting tool with coolant hole |
| CN202367525U (en) * | 2011-10-27 | 2012-08-08 | 深圳市速锋科技有限公司 | Dust-removal cooling structure of ball high-speed spindle |
| CN105983716A (en) * | 2015-01-27 | 2016-10-05 | 泰州华东数控机床有限公司 | Expanding drill for deep hole machining |
| CN107442820A (en) * | 2017-08-23 | 2017-12-08 | 苏州市吴通电子有限公司 | Remove the gred drill bit in a kind of prepressing type pcb board hole |
| CN208787549U (en) * | 2018-03-08 | 2019-04-26 | 深圳市兴旺达科技有限公司 | A kind of high-speed ball bearing electro spindle |
| CN208712947U (en) * | 2018-09-20 | 2019-04-09 | 重庆洪毅模塑有限公司 | A kind of deep hole drilling machine deep hole drill |
| CN209110225U (en) * | 2018-11-12 | 2019-07-16 | 南京林业大学 | A kind of PCB numerical control drilling machine borehole drill construction and its aligning device |
| CN209272571U (en) * | 2018-12-26 | 2019-08-20 | 斯乃刻刀具(常州)有限公司 | A kind of fluted drill |
| CN110293236B (en) * | 2019-08-02 | 2020-10-30 | 双峰县诚恩精密机械有限公司 | Wide digit control machine tool auxiliary device that has heat dissipation function of application scope |
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Effective date of registration: 20210311 Address after: No.165, suijian Road, dushangang Town, Pinghu City, Jiaxing City, Zhejiang Province, 314000 Applicant after: PINGHU JICHEN HARDWARE Co.,Ltd. Address before: No. 2001-3, 2 / F, 228 Huadi Avenue middle, Liwan District, Guangzhou City, Guangdong Province 510000 Applicant before: GUANGZHOU SONGBIN ENGINEERING TECHNOLOGY Co.,Ltd. |
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Denomination of invention: A CNC drilling device Effective date of registration: 20231016 Granted publication date: 20210330 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Jiaxing Pinghu Sub branch Pledgor: PINGHU JICHEN HARDWARE Co.,Ltd. Registration number: Y2023980061161 |
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