CN111299647B - Precise numerical control drilling equipment with cleaning function for shipbuilding industry - Google Patents
Precise numerical control drilling equipment with cleaning function for shipbuilding industry Download PDFInfo
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- CN111299647B CN111299647B CN202010151675.1A CN202010151675A CN111299647B CN 111299647 B CN111299647 B CN 111299647B CN 202010151675 A CN202010151675 A CN 202010151675A CN 111299647 B CN111299647 B CN 111299647B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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- 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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
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- 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
- B23Q11/0042—Devices for removing chips
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Abstract
The invention relates to a precise numerical control drilling device with a cleaning function for shipbuilding, which comprises a workbench, a driving box, a transmission shaft and a drill rod, wherein the driving box is arranged right above the workbench and is fixedly connected with the workbench, the transmission shaft is vertical to the workbench, the transmission shaft is arranged at the bottom of the driving box, the drill rod and the transmission shaft are coaxially arranged and are positioned between the transmission shaft and the workbench, a driving device, a lifting device and a numerical control system are arranged in the driving box, the driving device is in transmission connection with the transmission shaft, the lifting device drives the transmission shaft to move along the axial direction of the transmission shaft, a connecting mechanism and a cleaning mechanism are arranged between the transmission shaft and the drill rod, the precise numerical control drilling device with the cleaning function for shipbuilding can avoid the drill rod from slipping on a spherical workpiece through the connecting mechanism, and improves the stability of drilling, moreover, the function of removing the scraps on the drill rod is realized through the cleaning mechanism.
Description
Technical Field
The invention relates to the field of machine tools, in particular to precise numerical control drilling equipment with a cleaning function for shipbuilding industry.
Background
The precise numerical control drilling machine is one of numerical control machines, is a numerical control hole machining machine tool mainly for drilling, and is used in the industries of automobiles, locomotives, shipbuilding, aerospace and engineering machinery; especially, the drilling processing of various large parts such as super-long laminated plates, longitudinal beams, structural steel, pipe-shaped parts and the like which are porous and rich in sources and become sea is preferred.
When current accurate numerically-controlled drilling machine drills the spheroid, because the sphere is comparatively smooth, easily skids when drilling rod and spheroid contact, still can make the drilling rod rupture when serious, has reduced the practicality, and so only, drilling finishes the back, and strip piece can often remain on the drilling rod, if not in time clearance, can produce the mar on the inner wall that can make drilling, influences the surface roughness of drilling precision and the inner wall that drills.
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, the precision numerical control drilling equipment with the cleaning function for the shipbuilding industry is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a precision numerical control drilling device with a cleaning function for shipbuilding industry comprises a workbench, a driving box, a transmission shaft and a drill rod, wherein the driving box is arranged right above the workbench and fixedly connected with the workbench, the transmission shaft is vertical to the workbench, the transmission shaft is arranged at the bottom of the driving box, the drill rod and the transmission shaft are coaxially arranged and are positioned between the transmission shaft and the workbench, a driving device, a lifting device and a numerical control system are arranged in the driving box, the driving device is in transmission connection with the transmission shaft, the lifting device drives the transmission shaft to move along the axial direction of the transmission shaft, and a connecting mechanism and a cleaning mechanism are arranged between the transmission shaft and the drill rod;
The connecting mechanism comprises a rotating disc, a rotating shaft, a connecting shaft, a friction disc and two connecting components, the connecting shaft and the drill rod are coaxially arranged, the diameter of the friction disc is equal to that of the drill rod, the axis of the rotating shaft is perpendicular to and intersected with that of the drill rod, the drill rod is arranged at the middle end of the rotating shaft, which is close to one side of the workbench, one end of the connecting shaft is fixed at one side of the rotating shaft, which is far away from the workbench, the friction disc is arranged at the other end of the connecting shaft, the rotating disc is arranged at the bottom end of the transmission shaft, the friction disc is positioned at one side of the rotating disc, which is close to the workbench, and the two connecting components are respectively arranged at two ends of the rotating shaft;
the connecting assembly comprises a fixing plate, a screw rod, an auxiliary shaft, a connecting bearing, a ball screw bearing, a locking rod, a moving unit and at least two pushing units, wherein the fixing plate is vertical to the rotating shaft, the fixing plate is fixed on one side, close to the workbench, of the rotating disc, the screw rod and the auxiliary shaft are coaxially arranged with the rotating shaft, one end of the screw rod is fixed on the rotating shaft, the auxiliary shaft is fixed at the other end of the screw rod, an inner ring of the connecting bearing is installed on the auxiliary shaft, a mounting hole is formed in the fixing plate, the connecting bearing is arranged in the mounting hole, an outer ring of the connecting bearing is fixedly connected with the inner wall of the mounting hole, an external thread is formed on the screw rod, an inner ring of the ball screw bearing is matched with the external thread, an inner ring of the ball screw bearing is installed on the screw rod, a locking hole is formed in the auxiliary shaft, and the locking hole is positioned on one side, far away from the screw rod, of the connecting bearing, the locking rod is parallel to the connecting shaft, the diameter of the locking rod is equal to the aperture of the locking hole, the locking rod penetrates through the locking hole and is in sliding connection with the inner wall of the locking hole, the moving unit is arranged at the top end of the locking rod and drives the locking rod to move along the axis of the connecting shaft, the pushing unit is circumferentially and uniformly arranged on the outer ring of the ball screw bearing by taking the axis of the screw rod as a center, and the pushing unit drives the outer ring of the ball screw bearing to move along the axial direction of the screw rod;
The cleaning mechanism comprises a cleaning ring and two reset units, the cleaning ring and the connecting shaft are coaxially arranged, the inner diameter of the cleaning ring is larger than the diameter of the friction disc, the cleaning ring is positioned between the friction disc and the rotating shaft, brushes are arranged on the inner wall of the cleaning ring, the reset units correspond to the fixing plates one by one, and the reset units are arranged on one side of the cleaning ring, which is far away from the workbench;
the reset unit includes stopper, first spring, carriage release lever and through-hole, the through-hole sets up on the rolling disc, the carriage release lever is parallel with the connecting axle, the carriage release lever pass the through-hole and with the inner wall sliding connection of through-hole, the top at clean ring is fixed to the one end of carriage release lever, the stopper is fixed on the top of carriage release lever and is supported with the rolling disc and lean on, first spring is located between rolling disc and the clean ring, clean ring is connected with the rolling disc through first spring, the clean ring of moving unit drive is towards keeping away from the workstation direction removal along the axis of connecting axle.
Preferably, in order to drive the locking rod and the cleaning ring to move, the moving unit comprises a driving motor, a winding drum, a connecting wire, a connecting rod and a sliding groove, the sliding groove is formed in the fixing plate, the connecting rod is parallel to the rotating shaft, penetrates through the sliding groove and is in sliding connection with the inner wall of the sliding groove, the connecting rod is fixed on the periphery of the cleaning ring, the top end of the locking rod is fixed on the connecting rod, the driving motor is fixed on the top of the rotating disc, the driving motor is in transmission connection with the winding drum, one end of the connecting wire is fixed on the top of the connecting rod, the other end of the connecting wire is fixed on the winding drum, and the connecting wire is wound on the winding drum.
Preferably, the drive motor is a servo motor in order to increase the drive force of the drive motor.
Preferably, in order to improve the reliability of the connecting wire pulling connecting rod, the connecting wire is a steel wire rope.
Preferably, in order to drive the ball screw bearing to move, the pushing unit comprises a sliding block, an electromagnet, a second spring and a guide rod, the guide rod is parallel to the rotating shaft, one end of the guide rod is fixed on one side, close to the connecting shaft, of the fixing plate, the electromagnet is fixed at the other end of the guide rod, the sliding block is sleeved on the guide rod and abutted to the electromagnet, the second spring is located between the sliding block and the fixing plate, the sliding block is connected with the fixing plate through the second spring, the sliding block is made of a magnet, and the sliding block is fixed on the outer ring of the ball screw bearing.
Preferably, the guide bar is coated with a lubricating oil in order to reduce friction between the guide bar and the slider.
Preferably, in order to facilitate the insertion of the locking bar into the locking hole, both ends of the locking bar are provided with chamfers.
Preferably, in order to realize buffering and vibration reduction, the limiting block is made of rubber.
Preferably, in order to prolong the service life of the fixing plate, an anti-corrosion zinc coating is arranged on the fixing plate.
Preferably, in order to improve the heat dissipation effect, the rotating shaft is provided with heat-conducting silica gel.
The precision numerical control drilling equipment with the cleaning function for the shipbuilding industry has the advantages that the function of preventing the drill rod from slipping on the spherical workpiece through the connecting mechanism is achieved, the drilling stability is improved, compared with the existing connecting mechanism, the connecting mechanism drives the locking rod to move, the function of driving the cleaning ring to move is achieved, the practicability is higher, and besides, the function of removing the scraps on the drill rod is achieved through the cleaning mechanism.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a precision numerical control drilling device with a cleaning function for the shipbuilding industry according to the present invention;
FIG. 2 is a schematic structural diagram of a connecting mechanism of the precision numerical control drilling equipment with a cleaning function for the shipbuilding industry according to the invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an enlarged view of portion B of FIG. 2;
FIG. 5 is an enlarged view of section C of FIG. 2;
in the figure: 1. the automatic cleaning device comprises a workbench, 2. a driving box, 3. a transmission shaft, 4. a drill rod, 5. a rotating disc, 6. a rotating shaft, 7. a connecting shaft, 8. a friction disc, 9. a fixing plate, 10. a screw rod, 11. an auxiliary shaft, 12. a connecting bearing, 13. a ball screw bearing, 14. a locking rod, 15. a cleaning ring, 16. a limiting block, 17. a first spring, 18. a moving rod, 19. a driving motor, 20. a winding drum, 21. a connecting wire, 22. a connecting rod, 23. a sliding block, 24. an electromagnet, 25. a second spring, 26. a guide rod and 27. a brush.
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 precision numerical control drilling device with a cleaning function for shipbuilding industry includes a workbench 1, a driving box 2, a transmission shaft 3 and a drill rod 4, wherein the driving box 2 is arranged right above the workbench 1 and fixedly connected with the workbench 1, the transmission shaft 3 is perpendicular to the workbench 1, the transmission shaft 3 is arranged at the bottom of the driving box 2, the drill rod 4 and the transmission shaft 3 are coaxially arranged and located between the transmission shaft 3 and the workbench 1, a driving device, a lifting device and a numerical control system are arranged in the driving box 2, the driving device is in transmission connection with the transmission shaft 3, the lifting device drives the transmission shaft 3 to move along the axial direction of the transmission shaft 3, and a connecting mechanism and a cleaning mechanism are arranged between the transmission shaft 3 and the drill rod 4;
the connecting mechanism comprises a rotating disc 5, a rotating shaft 6, a connecting shaft 7, a friction disc 8 and two connecting components, wherein the connecting shaft 7 and the drill rod 4 are coaxially arranged, the diameter of the friction disc 8 is equal to that of the drill rod 4, the axis of the rotating shaft 6 is perpendicular to and intersected with that of the drill rod 4, the drill rod 4 is installed at the middle end of one side, close to the workbench 1, of the rotating shaft 6, one end of the connecting shaft 7 is fixed at one side, far away from the workbench 1, of the rotating shaft 6, the friction disc 8 is installed at the other end of the connecting shaft 7, the rotating disc 5 is installed at the bottom end of the transmission shaft 3, the friction disc 8 is located at one side, close to the workbench 1, of the rotating disc 5, and the two connecting components are respectively arranged at two ends of the rotating shaft 6;
The connecting assembly comprises a fixing plate 9, a screw rod 10, an auxiliary shaft 11, a connecting bearing 12, a ball screw bearing 13, a locking rod 14, a moving unit and at least two pushing units, wherein the fixing plate 9 is perpendicular to the rotating shaft 6, the fixing plate 9 is fixed on one side, close to the workbench 1, of the rotating disc 5, the screw rod 10 and the auxiliary shaft 11 are coaxially arranged with the rotating shaft 6, one end of the screw rod 10 is fixed on the rotating shaft 6, the auxiliary shaft 11 is fixed at the other end of the screw rod 10, an inner ring of the connecting bearing 12 is installed on the auxiliary shaft 11, a mounting hole is formed in the fixing plate 9, the connecting bearing 12 is arranged in the mounting hole, an outer ring of the connecting bearing 12 is fixedly connected with the inner wall of the mounting hole, an external thread is formed in the screw rod 10, an inner ring of the ball screw bearing 13 is matched with the external thread, and an inner ring of the ball screw bearing 13 is installed on the screw rod 10, the auxiliary shaft 11 is provided with a locking hole, the locking hole is located on one side, far away from the screw rod 10, of the connecting bearing 12, the locking rod 14 is parallel to the connecting shaft 7, the diameter of the locking rod 14 is equal to the aperture of the locking hole, the locking rod 14 penetrates through the locking hole and is in sliding connection with the inner wall of the locking hole, the moving unit is arranged at the top end of the locking rod 14 and drives the locking rod 14 to move along the axis of the connecting shaft 7, the pushing unit is circumferentially and uniformly arranged on the outer ring of the ball screw bearing 13 by taking the axis of the screw rod 10 as a center, and the pushing unit drives the outer ring of the ball screw bearing 13 to move along the axial direction of the screw rod 10;
A spherical workpiece is placed on a workbench 1, a transmission shaft 3 is rotated through a driving device, the transmission shaft 3 is moved towards the direction close to the workbench 1 through a lifting device, the rotation of the transmission shaft 3 drives a rotating disc 5 to synchronously rotate and move, the rotation and the movement of the rotating disc 5 sequentially pass through a fixed plate 9, a connecting bearing 12, an auxiliary shaft 11, a screw rod 10 and a rotating shaft 6 to drive a drill rod 4 to synchronously rotate and move, during the process, a moving unit drives a locking rod 14 to move towards the direction away from the workbench 1 to separate the locking rod 14 from a locking hole, then, a pushing assembly enables the ball screw bearing 13 to move on the screw rod 10, as the ball screw bearing 13 converts rotary motion into linear motion or converts the linear motion into a bearing of rotary motion, the screw rod 10 can be rotated, the rotation of the screw rod 10 drives the auxiliary shaft 11 to rotate under the supporting action of the connecting bearing 12, and, the rotation of the lead screw 10 drives the rotation axis 6 to realize the rotation, and after making the auxiliary shaft 11 rotate 180 degrees, make the locking lever 14 reset through the mobile unit, make the locking lever 14 move to the locking hole, realize the locking of the auxiliary shaft 11, at this moment, through the rotation of the rotation axis 6, make the friction disc 8 rotate to between rotation axis 6 and work station 1, make the connecting axle 7 drive the friction disc 8 to rotate through the rotation of the rotation axis 6 around the axis of the drive shaft 3, and, when the friction disc 8 is supported against the spherical work piece, make the friction disc 8 realize polishing to the ball diameter, make the work piece produce a plane, then, through the reverse rotation of the rotation axis 6, make the drilling rod 4 rotate to between rotation axis 6 and work station 1, at this moment, support and carry on the drilling through the plane on the work piece, here, can avoid the drilling rod 4 to skid through the plane on the work piece, improve the stability of drilling, meanwhile, the diameter of the friction disc 8 is equal to that of the drill rod 4, so that the plane on the workpiece disappears after the drilling is finished.
As shown in fig. 3, the cleaning mechanism comprises a cleaning ring 15 and two resetting units, the cleaning ring 15 is arranged coaxially with the connecting shaft 7, the inner diameter of the cleaning ring 15 is larger than the diameter of the friction disc 8, the cleaning ring 15 is positioned between the friction disc 8 and the rotating shaft 6, the inner wall of the cleaning ring 15 is provided with a brush 27, the resetting units correspond to the fixing plates 9 one by one, and the resetting units are arranged on one side of the cleaning ring 15 far away from the workbench 1;
the reset unit includes stopper 16, first spring 17, carriage release lever 18 and through-hole, the through-hole sets up on rolling disc 5, carriage release lever 18 is parallel with connecting axle 7, carriage release lever 18 pass the through-hole and with the inner wall sliding connection of through-hole, the top at clean ring 15 is fixed to the one end of carriage release lever 18, stopper 16 is fixed on the top of carriage release lever 18 and is leaned on with rolling disc 5, first spring 17 is located between rolling disc 5 and the clean ring 15, clean ring 15 is connected with rolling disc 5 through first spring 17, the clean ring 15 of moving unit drive is towards keeping away from 1 direction removal of workstation along the axis of connecting axle 7.
When the moving unit drives the locking rod 14 to move towards the direction away from the workbench 1, and simultaneously the cleaning ring 15 moves towards the direction away from the workbench 1, the movement of the cleaning ring 15 drives the moving rod 18 to realize synchronous movement, and the first spring 17 is compressed, after the rotation of the rotating shaft 6 enables the drill rod 4 to rotate between the rotating disc 5 and the rotating shaft 6, the cleaning ring 15 is reset through the elastic action of the first spring 17, so that the cleaning ring 15 can drive the brush 27 to move on the drill rod 4, and the brush 27 scrapes off the scraps on the drill rod 4.
As shown in fig. 4, the moving unit includes a driving motor 19, a winding drum 20, a connecting line 21, a connecting rod 22 and a sliding groove, the sliding groove is disposed on the fixing plate 9, the connecting rod 22 is parallel to the rotating shaft 6, the connecting rod 22 passes through the sliding groove and is slidably connected with the inner wall of the sliding groove, the connecting rod 22 is fixed on the periphery of the cleaning ring 15, the top end of the locking rod 14 is fixed on the connecting rod 22, the driving motor 19 is fixed on the top of the rotating disc 5, the driving motor 19 is in transmission connection with the winding drum 20, one end of the connecting line 21 is fixed on the top of the connecting rod 22, the other end of the connecting line 21 is fixed on the winding drum 20, and the connecting line 21 is wound on the winding drum 20.
The driving motor 19 drives to make the winding drum 20 wind the connecting line 21, so that the connecting line 21 pulls the connecting rod 22 to move away from the workbench 1, and the movement of the connecting rod 22 drives the cleaning ring 15 and the locking rod 14 to realize synchronous movement.
Preferably, the driving motor 19 is a servo motor in order to increase the driving force of the driving motor 19.
The servo motor has a characteristic of strong overload capability, so that the driving force of the driving motor 19 can be improved.
Preferably, the connecting wire 21 is a wire rope in order to improve the reliability of the connecting wire 21 pulling the link 22.
The steel wire rope has the characteristics of high strength, corrosion resistance and the like, so that the reliability of the connecting rod 22 pulled by the connecting wire 21 can be improved.
As shown in fig. 5, the pushing unit includes a slider 23, an electromagnet 24, a second spring 25 and a guide rod 26, the guide rod 26 is parallel to the rotating shaft 6, one end of the guide rod 26 is fixed to one side of the fixing plate 9 close to the connecting shaft 7, the electromagnet 24 is fixed to the other end of the guide rod 26, the slider 23 is sleeved on the guide rod 26 and abuts against the electromagnet 24, the second spring 25 is located between the slider 23 and the fixing plate 9, the slider 23 is connected to the fixing plate 9 through the second spring 25, the slider 23 is made of a magnet, and the slider 23 is fixed to an outer ring of the ball screw bearing 13.
When the electromagnet 24 is powered on, a mutual repulsive acting force is generated between the electromagnet 24 and the slider 23 made of the magnet material, so that the slider 23 moves on the guide rod 26 in the direction away from the connecting shaft 7, the second spring 25 is compressed, after the electromagnet 24 is powered off, the slider 23 is reset under the elastic action of the second spring 25, and the movement of the slider 23 drives the ball screw bearing 13 to move on the screw rod 10.
Preferably, in order to reduce the friction between the guide bar 26 and the slider 23, the guide bar 26 is coated with a lubricating oil.
The lubricating oil has the function of reducing the friction force between the guide rod 26 and the sliding block 23 and improving the moving fluency of the sliding block 23.
Preferably, in order to facilitate the insertion of the locking bar 14 into the locking hole, both ends of the locking bar 14 are chamfered.
The chamfer angle is used for reducing the caliber of the locking rod 14 when the locking rod is inserted into the locking hole, and the effect of convenient installation is achieved.
Preferably, the material of the stopper 16 is rubber for achieving cushioning and vibration reduction.
The rubber texture is comparatively soft, can reduce the stopper 16 and the rolling disc 5 and support the impact force that produces when leaning on, has realized buffering and damping.
Preferably, in order to prolong the service life of the fixing plate 9, an anti-corrosion zinc coating is arranged on the fixing plate 9.
The function of anticorrosive zinc coating is to promote the rust-resistant ability of fixed plate 9, prolongs the life of fixed plate 9.
Preferably, in order to improve the heat dissipation effect, the rotating shaft 6 is provided with heat-conducting silica gel.
The function of heat conduction silica gel is to improve the heat-sinking capability after the axis of rotation 6 absorbs the heat on the drilling rod 4 to promote the radiating effect.
A ball workpiece is placed on a workbench 1, a driving device enables a transmission shaft 3 to rotate, a lifting device enables the transmission shaft 3 to move towards the direction close to the workbench 1, the transmission shaft 3 rotates to drive a rotating disc 5 to synchronously rotate and move, the rotating disc 5 rotates and moves to drive a drill rod 4 to synchronously rotate and move sequentially through a fixing plate 9, a connecting bearing 12, an auxiliary shaft 11, a screw rod 10 and a rotating shaft 6, during the process, a driving motor 19 drives a winding drum 20 to wind a connecting wire 21, so that the connecting wire 21 pulls a connecting rod 22 to move towards the direction far away from the workbench 1, the movement of the connecting rod 22 drives a cleaning ring 15 and a locking rod 14 to synchronously move, the locking rod 14 is separated from a locking hole, in addition, the movement of the connecting rod 22 also drives the cleaning ring 15 to move towards the direction far away from the workbench 1, and the movement of the cleaning ring 15 drives a moving rod 18 to synchronously move, the first spring 17 is compressed, then the electromagnet 24 is electrified, the electromagnet 24 and the slider 23 made of magnet material generate mutually repulsive acting force, so that the slider 23 moves on the guide rod 26 towards the direction far away from the connecting shaft 7, the second spring 25 is compressed, the movement of the slider 23 causes the ball screw bearing 13 to move on the screw rod 10, because the ball screw bearing 13 converts the rotary motion into linear motion or converts the linear motion into the rotary motion, the screw rod 10 can rotate, the rotation of the screw rod 10 drives the auxiliary shaft 11 to rotate under the supporting action of the connecting bearing 12, the rotation of the screw rod 10 drives the rotating shaft 6 to realize autorotation, and after the auxiliary shaft 11 rotates 180 degrees, the drill rod 4 rotates between the rotating disc 5 and the rotating shaft 6, the friction disc 8 rotates between the rotating shaft 6 and the workbench 1, and then the driving motor 19 reversely rotates, the cleaning ring 15 is reset under the elastic action of the first spring 17, the reset of the cleaning ring 15 drives the locking rod 14 to reset through the connecting rod 22, the locking rod 14 moves into the locking hole, the locking of the auxiliary shaft 11 is realized, here, the cleaning ring 15 can drive the brush 27 to move on the drill rod 4 through the reset of the cleaning ring 15, the brush 27 scrapes the scraps on the drill rod 4, at the moment, the connecting shaft 7 drives the friction disc 8 to rotate through the rotation of the rotating shaft 6 around the axis of the transmission shaft 3, and when the friction disc 8 is abutted against a spherical workpiece, the friction disc 8 polishes the spherical diameter to generate a plane on the workpiece, then, the driving motor 19 is started again to enable the locking rod 14 and the cleaning ring 15 to move towards the direction far away from the workbench 1, then, the electromagnet 24 is powered off, the slide block 23 is reset under the elastic action of the second spring 25, thereby make lead screw 10 drive axis of rotation 6 antiport, can make drilling rod 4 and friction disk 8 reset promptly, then, through the reverse start of driving motor 19, make check lock bar 14 and clean ring 15 reset, at this moment, support through drilling rod 4 and the plane on the work piece and lean on and carry out the drilling, here, can avoid drilling rod 4 to skid through the plane on the work piece, improve the stability of drilling, simultaneously, the diameter because of friction disk 8 equals with the diameter of drilling rod 4, consequently, after the drilling finishes, make the plane on the work piece disappear.
Compared with the prior art, this a precision numerical control drilling equipment for shipbuilding industry with clean function passes through coupling mechanism and can avoids the function that drilling rod 4 skidded on spherical workpiece, drilling stability has been improved, compare with current coupling mechanism, this coupling mechanism removes through drive locking lever 14, the function that the clean ring 15 of drive removed has still been realized, the practicality is stronger, moreover, still realized cleaing away the function of piece on the drilling rod 4 through clean mechanism, compare with current clean mechanism, this clean mechanism structure is ingenious, 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 precise numerical control drilling device with a cleaning function for shipbuilding industry comprises a workbench (1), a driving box (2), a transmission shaft (3) and a drill rod (4), the driving box (2) is arranged right above the workbench (1) and is fixedly connected with the workbench (1), the transmission shaft (3) is vertical to the workbench (1), the transmission shaft (3) is arranged at the bottom of the driving box (2), the drill rod (4) and the transmission shaft (3) are coaxially arranged and are positioned between the transmission shaft (3) and the workbench (1), a driving device, a lifting device and a numerical control system are arranged in the driving box (2), the driving device is in transmission connection with the transmission shaft (3), the lifting device drives the transmission shaft (3) to move along the axial direction of the transmission shaft (3), the device is characterized in that a connecting mechanism and a cleaning mechanism are arranged between the transmission shaft (3) and the drill rod (4);
The connecting mechanism comprises a rotating disc (5), a rotating shaft (6), a connecting shaft (7), a friction disc (8) and two connecting components, the connecting shaft (7) and the drill rod (4) are coaxially arranged, the diameter of the friction disc (8) is equal to that of the drill rod (4), the axis of the rotating shaft (6) is vertical to and intersected with the axis of the drill rod (4), the drill rod (4) is arranged at the middle end of the rotating shaft (6) close to one side of the workbench (1), one end of the connecting shaft (7) is fixed on one side of the rotating shaft (6) far away from the workbench (1), the friction disc (8) is arranged at the other end of the connecting shaft (7), the rotating disc (5) is arranged at the bottom end of the transmission shaft (3), the friction disc (8) is positioned on one side, close to the workbench (1), of the rotating disc (5), and the two connecting assemblies are respectively arranged at two ends of the rotating shaft (6);
the connecting assembly comprises a fixing plate (9), a screw rod (10), an auxiliary shaft (11), a connecting bearing (12), a ball screw bearing (13), a locking rod (14), a moving unit and at least two pushing units, wherein the fixing plate (9) is perpendicular to a rotating shaft (6), the fixing plate (9) is fixed on one side, close to the workbench (1), of the rotating disc (5), the screw rod (10) and the auxiliary shaft (11) are coaxially arranged with the rotating shaft (6), one end of the screw rod (10) is fixed on the rotating shaft (6), the auxiliary shaft (11) is fixed at the other end of the screw rod (10), an inner ring of the connecting bearing (12) is installed on the auxiliary shaft (11), a mounting hole is formed in the fixing plate (9), the connecting bearing (12) is arranged in the mounting hole, an outer ring of the connecting bearing (12) is fixedly connected with the inner wall of the mounting hole, the screw rod (10) is provided with an external thread, the inner ring of the ball screw bearing (13) is matched with the external thread, the inner ring of the ball screw bearing (13) is arranged on the screw rod (10), the auxiliary shaft (11) is provided with a locking hole, the locking hole is positioned on one side of the connecting bearing (12) far away from the screw rod (10), the locking rod (14) is parallel to the connecting shaft (7), the diameter of the locking rod (14) is equal to the aperture of the locking hole, the locking rod (14) penetrates through the locking hole and is in sliding connection with the inner wall of the locking hole, the moving unit is arranged at the top end of the locking rod (14) and drives the locking rod (14) to move along the axis of the connecting shaft (7), the pushing units are uniformly arranged on the outer ring of the ball screw bearing (13) in the circumferential direction by taking the axis of the screw rod (10) as the center, the pushing unit drives the outer ring of the ball screw bearing (13) to move along the axial direction of the screw rod (10);
The cleaning mechanism comprises a cleaning ring (15) and two resetting units, the cleaning ring (15) and the connecting shaft (7) are coaxially arranged, the inner diameter of the cleaning ring (15) is larger than the diameter of the friction disc (8), the cleaning ring (15) is positioned between the friction disc (8) and the rotating shaft (6), brushes (27) are mounted on the inner wall of the cleaning ring (15), the resetting units correspond to the fixing plates (9) one by one, and the resetting units are arranged on one side, far away from the workbench (1), of the cleaning ring (15);
the reset unit includes stopper (16), first spring (17), carriage release lever (18) and through-hole, the through-hole sets up on rolling disc (5), carriage release lever (18) are parallel with connecting axle (7), carriage release lever (18) pass the through-hole and with the inner wall sliding connection of through-hole, the top at clean ring (15) is fixed to the one end of carriage release lever (18), stopper (16) are fixed on the top of carriage release lever (18) and are leaned on with rolling disc (5), first spring (17) are located between rolling disc (5) and clean ring (15), clean ring (15) are connected with rolling disc (5) through first spring (17), the clean ring (15) of moving unit drive is towards keeping away from workstation (1) direction removal along the axis of connecting axle (7).
2. The precise numerical control drilling apparatus with cleaning function for shipbuilding according to claim 1, characterized in that the moving unit includes a driving motor (19), a reel (20), a connecting wire (21), a connecting rod (22) and a sliding groove, the sliding groove is provided on the fixing plate (9), the connecting rod (22) is parallel to the rotating shaft (6), the connecting rod (22) passes through the sliding groove and is slidably connected with the inner wall of the sliding groove, the connecting rod (22) is fixed on the outer circumference of the cleaning ring (15), the top end of the locking rod (14) is fixed on the connecting rod (22), the driving motor (19) is fixed on the top of the rotating disc (5), the driving motor (19) is in transmission connection with the reel (20), one end of the connecting wire (21) is fixed on the top of the connecting rod (22), the other end of the connecting wire (21) is fixed on the reel (20), the connecting wire (21) is wound on a reel (20).
3. The precision numerical control drilling equipment with cleaning function for shipbuilding according to claim 2, characterized in that the driving motor (19) is a servo motor.
4. The precise numerical control drilling equipment with cleaning function for shipbuilding according to claim 2, characterized in that the connecting line (21) is a steel wire rope.
5. The precision numerical control drilling equipment with cleaning function for shipbuilding industry according to claim 1, characterized in that the pushing unit comprises a slide block (23), an electromagnet (24), a second spring (25) and a guide rod (26), the guide rod (26) is parallel to the rotating shaft (6), one end of the guide rod (26) is fixed on one side of the fixing plate (9) close to the connecting shaft (7), the electromagnet (24) is fixed at the other end of the guide rod (26), the sliding block (23) is sleeved on the guide rod (26) and is abutted against the electromagnet (24), the second spring (25) is positioned between the sliding block (23) and the fixed plate (9), the slide block (23) is connected with the fixed plate (9) through a second spring (25), the slider (23) is made of a magnet, and the slider (23) is fixed on the outer ring of the ball screw bearing (13).
6. The precision numerical control drilling equipment with cleaning function for shipbuilding according to claim 5, characterized in that the guide rod (26) is coated with lubricating oil.
7. The precision numerical control drilling equipment with cleaning function for shipbuilding according to claim 1, characterized in that both ends of the locking lever (14) are provided with chamfers.
8. The precise numerical control drilling equipment with the cleaning function for the shipbuilding industry according to claim 1, characterized in that the manufacturing material of the limiting block (16) is rubber.
9. The precise numerical control drilling equipment with cleaning function for shipbuilding according to claim 1, characterized in that the fixing plate (9) is provided with an anti-corrosion zinc coating.
10. The precise numerical control drilling equipment with cleaning function for shipbuilding according to claim 1, characterized in that the rotating shaft (6) is provided with heat-conducting silica gel.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111890113A (en) * | 2020-07-09 | 2020-11-06 | 深圳市文地科技有限公司 | Drilling machine clamp with cooling function |
| CN111889742B (en) * | 2020-07-31 | 2021-11-02 | 西安卧龙网络科技有限公司 | High-drilling-precision building engineering equipment |
| CN112077355B (en) * | 2020-09-14 | 2021-07-23 | 电子科技大学中山学院 | Mechanical drilling device suitable for round bar material |
| CN112207325B (en) * | 2020-09-24 | 2023-01-06 | 田福来 | Self-cleaning electromechanical device |
| CN112192296A (en) * | 2020-09-30 | 2021-01-08 | 王钟海 | Machining equipment that factor of safety is high |
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