CN112024933A - Drilling device for machining numerical control machine tool - Google Patents
Drilling device for machining numerical control machine tool Download PDFInfo
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- CN112024933A CN112024933A CN202010943241.5A CN202010943241A CN112024933A CN 112024933 A CN112024933 A CN 112024933A CN 202010943241 A CN202010943241 A CN 202010943241A CN 112024933 A CN112024933 A CN 112024933A
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- 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
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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
- B23Q11/10—Arrangements for cooling or lubricating tools or work
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- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a drilling device for machining of a numerical control machine tool, relates to the technical field of numerical control machining, and particularly relates to a drilling device for machining of the numerical control machine tool. This drilling equipment of digit control machine tool processing, through seting up spiral helicine recess with the outside of drill bit, and at the outside fixed connection retainer plate of drill bit, and with the internal fixation of retainer plate connection symmetric distribution's awl hornblock, and set up the nut hole of symmetric distribution with the outside of drill bit, simultaneously at the outside fixed connection toper metal block of drill bit, utilize the outside nut pressfitting drill bit of retainer plate, guaranteed the device at the impaired back of drill bit, can control the outside nut of retainer plate and realize the fast switch-over of drill bit, the device is difficult to be changed after the drill bit is impaired in the past, and the problem that the burr is difficult to get rid of to the panel drilling outside of drill bit.
Description
Technical Field
The invention relates to the technical field of numerical control machining, in particular to a drilling device for machining of a numerical control machine tool.
Background
Various mechanical devices can not be separated in the production and preparation of heavy industry and light industry, the mechanical devices can greatly improve the production efficiency, meanwhile, people often use a lot of metal materials in the process of improving the working efficiency of the machinery, the devices need to be processed on a machine tool before being used, especially for processing holes on the surface of the metal materials, and due to the large demand of people for drilling the metal materials, people need a drilling device processed by a numerical control machine tool.
There are the drilling equipment of many types of digit control machine tool processing on the market today, but most drilling equipment does not possess and shears the outside deckle edge of panel, higher temperature can appear at the in-process of panel drilling to this type of device, under the long-time operation of drill bit, can make the drill bit warp, and current device is difficult to change after the drill bit warp, and the durability of drill bit is lower, current device is fixing a position to the in-process of panel drilling can not be accurate simultaneously, often can lead to the outside hole distance of panel different, current device can not effectively fix panel in addition, panel vibrations can often appear at the in-process of drilling, and then lead to the drilling position to deviate or the too big scheduling problem of hole diameter, we have proposed the drilling equipment of digit control machine tool processing for this reason.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a drilling device for machining a numerical control machine tool, which solves at least one of the problems in the background technology.
In order to achieve the purpose, the invention is realized by the following technical scheme: a drilling device for machining a numerical control machine tool comprises a base, wherein a fixed shell is fixedly connected to the top of the base, a notch is formed in the bottom side of the outer portion of the fixed shell, a material gathering groove is fixedly connected to the notch in the bottom side of the outer portion of the fixed shell, a rectangular groove is formed in the top of the fixed shell, a blowing box is fixedly connected to the rectangular groove in the top of the fixed shell, threaded groove holes which are uniformly distributed are formed in the outer portion of the fixed shell, pressing screw plates which are uniformly distributed are in threaded connection with the threaded groove holes in the outer portion of the fixed shell, symmetrically distributed notches are formed in the outer portion of the fixed shell, a plate is movably connected to the notch in the outer portion of the fixed shell, a sliding groove is formed in the top surface of the base, a sliding plate is movably connected to the base through the sliding groove in the top surface, the sliding plate is characterized in that a sliding groove is formed in the sliding plate, the sliding plate is movably connected with a sliding block through the sliding groove, an expansion plate is fixedly connected to the outer portion of the sliding block, a cylindrical hole is formed in the expansion plate, a pull rod is fixedly connected with the cylindrical hole in the expansion plate, a bolt is movably connected to the top of the expansion plate, an expansion block is fixedly connected to the outer side of the sliding block, a motor box is fixedly connected to one side of the expansion block, the bottom of the motor box is movably connected to the outer portion of the bolt, a fixing ring is movably connected to the inner portion of the motor box, and a drill bit is fixedly.
Optionally, the base is made for solid metal, the inside of fixed shell is seted up flutedly, the notch has been seted up to the outside of fixed shell, and the inside recess of fixed shell and outside notch communicate each other, gather the inside of silo and seted up rectangular groove, and gather the outside of silo and seted up the notch, gather the outside notch of silo and the inside recess intercommunication of fixed shell, gather the inside fixedly connected with double-deck filter screen of silo.
Optionally, the inside fixedly connected with driving motor and the flabellum of the case of blowing, the rotor of the inside driving motor of the case of blowing is vertical downwards, and flabellum fixed connection is in the outside of rotor, the outside fixedly connected with socket of the case of blowing, the notch has been seted up at the top of the case of blowing, the notch fixedly connected with metal filters at the top of the case of blowing.
Optionally, press the outside fixedly connected with bearing of position spiral shell board threaded rod, press the position spiral shell board to have rectangular briquetting through bearing swing joint, press the outside rectangular briquetting of position spiral shell board to be made by rubber, the outside swing joint who presses the position spiral shell board has annular gasket, and annular gasket is located the outside of fixed shell.
Optionally, the sliding plate is made of a T-shaped sliding block and a metal plate, a rectangular notch is formed in the outer side of the sliding plate, the rectangular notch in the outer side of the sliding plate is matched with the sliding block, and the bottom end of the nut is in threaded connection with the outer portion of the sliding block.
Optionally, the equal threaded connection in outside of expansion plate and flexible piece has the nut, the inside fixedly connected with motor of motor case, the notch has been seted up at the top of motor case, and the notch fixedly connected with radiator-grid at motor case top, the outside fixedly connected with socket of motor case, the annular groove has been seted up to the inside of motor case, one side fixedly connected with bearing of retainer plate, and the bearing fixed connection of retainer plate one side is in the annular groove of motor incasement portion, the thread groove has been seted up to the outside of drill bit, the outside fixedly connected with toper metal block of drill bit.
Optionally, still set up stop device on the base, stop device includes:
the sliding rail is arranged in the middle of the upper surface of the base and is fixedly connected with the base;
the limiting block is arranged on the sliding rail and is connected with the sliding rail in a sliding manner;
the compression bolt is arranged on the limiting block and is in threaded connection with a threaded hole which is communicated up and down on the limiting block;
the first universal wheel is arranged on the limiting block and is fixedly connected with the limiting block;
the supporting rod is arranged on the universal wheel, and one end of the supporting rod is rotatably connected with the universal wheel;
the connecting rod is arranged at the lower end of the sliding block, and one end of the connecting rod is fixedly connected with the sliding block;
the supporting plate is arranged at the lower end of the connecting rod, and the upper surface of the supporting plate is fixedly connected with the other end of the connecting rod;
the second universal wheel is arranged on the lower surface of the supporting plate and fixedly connected with the supporting plate), and the second universal wheel is rotatably connected with the other end of the supporting rod.
Optionally, the inside automatic heat sink that sets up of fixed shell, automatic heat sink includes:
the water-cooling cooler is arranged on the fixed shell and used for cooling the drill bit;
the controller is arranged on the fixed shell;
the pressure sensor is arranged at one end of the drill bit connected with the fixed ring and used for detecting the pressure applied to the drill bit;
the first detection device is arranged in the groove on one side of the drill bit and used for detecting the temperature of the drill bit;
the second detection device is arranged in the groove on one side of the drill bit and used for detecting the drilling depth;
the controller with water-cooling cooler, pressure sensor, first detection device, second detection device electricity are connected, the controller is based on pressure sensor, first detection device, the water yield of second detection device detection value control water-cooling cooler, including following step:
Mu is a friction factor of the drill bit and a drill hole, a is a drill bit cutting edge width, P is a pressure value detected by a pressure sensor, S is a drill hole area, beta is an included angle between a drill bit inclined plane and a central line, h is a drill hole depth, n is a drill bit rotating speed, r is a drill bit radius, pi is a circumferential rate, pi is 3.14, and cos is a cosine value for solving the angle;
wherein gamma is the cooling efficiency of the water-cooling cooler, rho is the density of water, C is the specific heat of water, and T is1Initial temperature, T, of cold water output for a water-cooled desuperheater2The temperature value detected by the first detection device;
and 3, controlling the water-cooling cooler to work by the controller, so that the amount of cold water actually output in unit time of the water-cooling cooler is the target demand of the cold water in unit time.
The invention provides a drilling device for machining a numerical control machine tool, which has the following beneficial effects:
1. this drilling equipment of digit control machine tool processing, through seting up spiral helicine recess with the outside of drill bit, and at the outside fixed connection retainer plate of drill bit, and with the internal fixation of retainer plate connection symmetric distribution's awl horn block, and set up the nut hole of symmetric distribution with the outside of drill bit, simultaneously at the outside fixed connection toper metal block of drill bit, utilize the outside nut pressfitting drill bit of retainer plate, guaranteed the device after the drill bit is impaired, can control the outside nut of retainer plate and realize the fast switch-over of drill bit, the device is difficult to be changed after the drill bit is impaired in the past, and the problem that the outside deckle edge of panel drilling is difficult to get rid of.
2. This drilling equipment of digit control machine tool processing, through with motor case fixed connection in one side of flexible piece simultaneously at the bottom swing joint expansion plate of motor case, and the pressfitting that will, can guarantee that the device can carry out the drilling of scarce location in the vertical face of panel, simultaneously with one side fixed connection of flexible piece and expansion plate in the outside of slider, utilize the outside symmetric distribution of sliding plate to carry out swing joint to slider sliding plate and base, can guarantee that the sliding plate can provide lateral shifting for the drill bit, and then solved the device in the past and at the difficult problem of accurate positioning to the in-process of panel drilling.
3. This drilling equipment of digit control machine tool processing through seting up the recess in the inside of fixed casing to set up the notch of symmetric distribution in the fixed casing outside, simultaneously at the pressure position swivel nut of the outside threaded connection symmetric distribution of fixed casing, guaranteed that panel can be carried out steadily fixedly by the device, thereby effectually solved in the past the device when drilling panel, the drill bit rotates and makes panel rock, and then leads to the drill bit drilling to appear the too big problem of drilling diameter.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic bottom view of the drilling apparatus for NC machine tool machining according to the present invention;
FIG. 3 is a schematic view of a partially dispersed structure of a drilling apparatus for numerically controlled machine tools according to the present invention;
FIG. 4 is a schematic view showing the overall structure of a drill of the drilling apparatus for numerically controlled machine tools according to the present invention;
FIG. 5 is a schematic view showing a drill bit dispersing structure of the drilling apparatus for numerically controlled machine tools according to the present invention;
fig. 6 is a schematic structural view of a limiting device of the drilling device for numerically-controlled machine tool machining according to the present invention.
In the figure: 1. a base; 2. fixing the housing; 3. a material gathering groove; 4. a blow box; 5. pressing a screw plate; 6. a plate material; 7. a sliding plate; 8. a nut; 9. a slider; 10. a retractable plate; 11. a pull rod; 12. a bolt; 13. a telescopic block; 14. a motor case; 15. a stationary ring; 16. a drill bit; 001. a slide rail; 002. a limiting block; 003. a hold-down bolt; 004. a first universal wheel; 005. a support bar; 006. a connecting rod; 007. a support plate; 008. a second universal wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 5, the present invention provides a technical solution: a drilling device for machining a numerical control machine tool comprises a base 1, wherein a fixed shell 2 is fixedly connected to the top of the base 1, a notch is formed in the bottom side of the outer portion of the fixed shell 2, a material gathering groove 3 is fixedly connected to the notch in the bottom side of the outer portion of the fixed shell 2, a rectangular groove is formed in the top of the fixed shell 2, a blowing box 4 is fixedly connected to the rectangular groove in the top of the fixed shell 2, threaded slotted holes which are uniformly distributed are formed in the outer portion of the fixed shell 2, threaded slotted holes which are uniformly distributed are in threaded connection with pressure position screw plates 5 which are uniformly distributed, notches which are symmetrically distributed are formed in the outer side of the fixed shell 2, a plate 6 is movably connected to the notch in the outer side of the fixed shell 2, a hollow groove is formed in the inner portion of the fixed shell 2, rectangular notches which are symmetrically distributed are formed in the outer side of the fixed shell 2, can ensure that the device can stably fix metal and effectively reduce the problem of environment pollution caused by metal scraps, the top surface of the base 1 is provided with a sliding groove, the base 1 is movably connected with a sliding plate 7 through the sliding groove of the top surface, the outside of the sliding plate 7 is provided with uniformly distributed screwed holes, the screwed holes outside the sliding plate 7 are in threaded connection with symmetrically distributed nuts 8, the inside of the sliding plate 7 is provided with a sliding groove, the sliding plate 7 is movably connected with a sliding block 9 through the sliding groove, the outside of the sliding block 9 is fixedly connected with an expansion plate 10, the inside of the expansion plate 10 is provided with cylindrical holes, the cylindrical holes inside the expansion plate 10 are fixedly connected with a pull rod 11, the top of the expansion plate 10 is movably connected with a bolt 12, the outside of the sliding block 9 is fixedly connected with an expansion block 13, one side of the expansion block 13 is fixedly connected with a motor box 14, the inside swing joint of motor case 14 has retainer plate 15, and the inside fixed connection of retainer plate 15 has drill bit 16.
Wherein, base 1 is made for solid metal, the inside recess has been seted up of canned case 2, the notch has been seted up to canned case 2's outside, and the inside recess of canned case 2 communicates with outside notch each other, gather the inside rectangle recess of having seted up of silo 3, and gather the outside of silo 3 and seted up the notch, gather the outside notch of silo 3 and the inside recess intercommunication of canned case 2, gather the double-deck filter screen of inside fixedly connected with of silo 3, set up the cavity recess through the inside with canned case 2, and set up the rectangle notch of symmetric distribution in the outside of canned case 2, gather silo 3 at the outside fixed connection of canned case 2 simultaneously, the device is carrying out the in-process of metal drilling having guaranteed, can make the metal sweeps can not fly away everywhere, and then avoided the metal sweeps polluted environment.
Wherein, the inside fixedly connected with driving motor and the flabellum of blow case 4, blow case 4 inside driving motor's the rotor is vertical downwards, and flabellum fixed connection is in the outside of rotor, blow case 4's outside fixedly connected with socket, the notch has been seted up at blow case 4's top, the notch fixedly connected with metal filters at blow case 4 top, blow case 4 through the top fixed connection at fixed shell 2, and at blow case 4's inside fixed connection driving motor and flabellum, the device can be guaranteed at the in-process of operation, the metal sweeps that the drill bit produced with the metal contact can be blown into the inside of gathering silo 3 fast, utilize mobile air to collect the metal sweeps, the burden of artifical cleaning has been alleviateed greatly.
Wherein, press the outside fixedly connected with bearing of 5 threaded rods of position spiral shell boards, press position spiral shell board 5 to have the rectangle briquetting through bearing swing joint, press the outside rectangle briquetting of position spiral shell board 5 to be made by rubber, the outside swing joint who presses position spiral shell board 5 has annular gasket, and annular gasket is located the outside of canned motor shell 2, through pressing the outside fixedly connected with bearing of position spiral shell board 5, and with the outside of bearing fixed connection at the rectangle briquetting, utilize to press the rotation regulation of position spiral shell board 5 on canned motor shell 2, and then can guarantee that the device can carry out steadily fixing to the metal of different thickness, greatly reduced drilling equipment produced the vibration in drilling process, lead to the problem that the metal rocked.
The sliding plate 7 is made of a T-shaped sliding block and a metal plate, a rectangular notch is formed in the outer side of the sliding plate 7, the rectangular notch in the outer side of the sliding plate 7 is matched with the sliding block 9, the bottom end of the nut 8 is in threaded connection with the outer portion of the sliding block 9, the sliding plate 7 and the sliding block 9 are both arranged in a sliding groove structure, the buckling capacity of the relative sliding grooves is utilized, the device can accurately position metal in the drilling process, and the problem that the device cannot accurately position metal in the drilling process is solved.
Wherein, the outer parts of the expansion plate 10 and the expansion block 13 are both connected with nuts by screw threads, the inner part of the motor box 14 is fixedly connected with a motor, the top of the motor box 14 is provided with a notch, and the notch at the top of the motor box 14 is fixedly connected with a heat radiating net, the outside of the motor box 14 is fixedly connected with a socket, the inside of the motor box 14 is provided with an annular groove, one side of the fixed ring 15 is fixedly connected with a bearing, and the bearing at one side of the fixed ring 15 is fixedly connected in an annular groove inside the motor box 14, a threaded groove is arranged outside the drill bit 16, a conical metal block is fixedly connected at the outer side of the drill bit 16, by arranging the annular groove in the motor box 14 and fixedly connecting the bearing at the bottom of the fixed ring 15 in the annular groove in the motor box 14, the problem that the drill bit 16 is broken or the rotation center of the drill bit 16 is deviated due to the fact that the drill bit is stressed too heavily in the process of telling the operation of the drill bit 16 can be solved.
To sum up, this drilling equipment of digit control machine tool processing, during the use, the user need place the panel that the cutting is good in the inside notch of fixed shell 2, then clockwise rotation adjusts pressure position spiral shell board 5 again, make the briquetting of pressing position spiral shell board 5 bottom fixed panel, then the user need adjust the outside nut of expansion plate 10 and expansion block 13, make expansion plate 10 and expansion block 13 can freely stretch out and draw back, then the user need will blow case 4 and motor case 14 intercommunication power, then the user needs 11 boxboard faces pressfitting of control pull rod, so can.
In one embodiment, said base 1 is further provided with a position limiting device, said position limiting device comprises:
the sliding rail 001 is arranged in the middle of the upper surface of the base 1 and is fixedly connected with the base 1;
the limiting block 002 is arranged on the sliding rail 001 and is connected with the sliding rail 001 in a sliding manner;
the compression bolt 003 is arranged on the limiting block 002 and is in threaded connection with a threaded hole which is formed in the limiting block 002 and penetrates up and down;
the first universal wheel 004 is arranged on the limiting block 002 and fixedly connected with the limiting block 002;
the supporting rod 005 is arranged on the universal wheel, and one end of the supporting rod 005 is rotatably connected with the universal wheel;
the connecting rod 006, the connecting rod 006 is arranged at the lower end of the slide block 9, and one end of the connecting rod 006 is fixedly connected with the slide block 9;
a support plate 007, wherein the support plate 007 is arranged at the lower end of the connecting rod 006, and the upper surface of the support plate 007 is fixedly connected with the other end of the connecting rod 006;
the second universal wheel 008, the second universal wheel 008 set up the lower surface of backup pad 007, with backup pad 007 fixed connection, the second universal wheel 008 with the other end of bracing piece 005 is rotated and is connected. The working principle and the beneficial effects of the technical scheme are as follows: after the slider 9 height adjustment is good, promote stopper 002 and remove to the direction that is close to slider 9, when stopper 002 can no longer be close to slider 9, the housing bolt 003 of screwing, stopper 002 has restricted reciprocating of drill bit 16 at this moment, makes drill bit 16 guarantee to work at same height, improves the stability of drill bit 16 during operation, improves the work precision, and the device can also control the position of slider 9 at sliding plate 7, prevents slider roll-off sliding plate 7.
In one embodiment, an automatic cooling device is disposed inside the fixed housing 2, and the automatic cooling device includes:
the water-cooling cooler is arranged on the fixed shell 2;
a controller disposed on the fixed housing 2;
the pressure sensor is arranged at one end connected with the drill bit 16 and the fixed ring 15 and is used for detecting the pressure applied to the drill bit 16;
the first detection device is arranged in the groove on one side of the drill bit 16 and is used for detecting the temperature of the drill bit 16;
the second detection device is arranged in the groove on one side of the drill bit 16 and used for detecting the drilling depth;
the controller with water-cooling cooler, pressure sensor, first detection device, second detection device electricity are connected, the controller is based on pressure sensor, first detection device, the water yield of second detection device detection value control water-cooling cooler, including following step:
Mu is a friction factor of the drill bit and a drill hole, a is a drill bit cutting edge width, P is a pressure value detected by a pressure sensor, S is a drill hole area, beta is an included angle between a drill bit inclined plane and a central line, h is a drill hole depth, n is a drill bit rotating speed, r is a drill bit radius, pi is a circumferential rate, pi is 3.14, and cos is a cosine value for solving the angle;
wherein gamma is the cooling efficiency of the water-cooling cooler, rho is the density of water, C is the specific heat of water, and T is1Initial temperature, T, of cold water output for a water-cooled desuperheater2The temperature value detected by the first detection device;
and 3, controlling the water-cooling cooler to work by the controller, so that the amount of cold water actually output in unit time of the water-cooling cooler is the target demand of the cold water in unit time.
The working principle and the beneficial effects of the technical scheme are as follows: pressure sensor, second detection device detected value and formula (1) calculate the heat that drill bit and commentaries on classics hole friction produced in the unit interval, then calculate in the unit interval according to the calculated value of formula (1) the volume of cooling water, then the corresponding water yield of controller control water-cooling cooler outflow is cooled down, this scheme can be according to current environment, factor control water-cooling cooler such as current temperature provides different cold water volume, the water-cooling cooler need not to be in maximum power always like this, the quantity of cooling water and electricity has been saved, energy-concerving and environment-protective, protect the drill bit for the device cooling, increase the life of drill bit.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a drilling equipment of digit control machine tool processing, includes base (1), its characterized in that: the top of the base (1) is fixedly connected with a fixed shell (2), the bottom side of the outer part of the fixed shell (2) is provided with a notch, the notch of the bottom side of the outer part of the fixed shell (2) is fixedly connected with a material gathering groove (3), the top of the fixed shell (2) is provided with a rectangular groove, the rectangular groove at the top of the fixed shell (2) is fixedly connected with a blowing box (4), the outer part of the fixed shell (2) is provided with uniformly distributed thread slotted holes, the thread slotted holes at the outer part of the fixed shell (2) are in threaded connection with uniformly distributed pressure position screw plates (5), the outer side of the fixed shell (2) is provided with symmetrically distributed notches, the notches at the outer side of the fixed shell (2) are movably connected with plates (6), the top surface of the base (1) is provided with a sliding groove, and the base (1), the outer part of the sliding plate (7) is provided with threaded holes which are uniformly distributed, the threaded holes on the outer part of the sliding plate (7) are in threaded connection with nuts (8) which are symmetrically distributed, the inner part of the sliding plate (7) is provided with a sliding groove, the sliding plate (7) is movably connected with a sliding block (9) through the sliding groove, the outer part of the sliding block (9) is fixedly connected with a telescopic plate (10), the inner part of the telescopic plate (10) is provided with a cylindrical hole, the cylindrical hole inside the telescopic plate (10) is fixedly connected with a pull rod (11), the top part of the telescopic plate (10) is movably connected with a bolt (12), the outer side of the sliding block (9) is fixedly connected with a telescopic block (13), one side of the telescopic block (13) is fixedly connected with a motor box (14), the bottom part of the motor box (14) is movably connected with the outer part of the bolt (12, and a drill bit (16) is fixedly connected inside the fixed ring (15).
2. The numerical control machine tool machining drilling device according to claim 1, characterized in that: base (1) is made for solid metal, the inside of solid fixed shell (2) is seted up flutedly, the notch has been seted up to the outside of solid fixed shell (2), and the inside recess of solid fixed shell (2) and outside notch intercommunication each other, gather the inside of silo (3) and seted up the rectangle recess, and gather the outside of silo (3) and seted up the notch, gather the outside notch of silo (3) and the inside recess intercommunication of solid fixed shell (2), gather the inside fixedly connected with double-deck filter screen of silo (3).
3. The numerical control machine tool machining drilling device according to claim 1, characterized in that: the inside fixedly connected with driving motor and the flabellum of case (4) blow, the rotor of the inside driving motor of case (4) of blowing is vertical downwards, and flabellum fixed connection is in the outside of rotor, the outside fixedly connected with socket of case (4) of blowing, the notch has been seted up at the top of case (4) of blowing, the notch fixedly connected with metal filters at case (4) top of blowing.
4. The numerical control machine tool machining drilling device according to claim 1, characterized in that: the outside fixedly connected with bearing of pressing position spiral shell board (5) threaded rod, press position spiral shell board (5) to have rectangular pressing block through bearing swing joint, press the outside rectangular pressing block of position spiral shell board (5) to make by rubber, the outside swing joint of pressing position spiral shell board (5) has annular gasket, and annular gasket is located the outside of fixed shell (2).
5. The numerical control machine tool machining drilling device according to claim 1, characterized in that: the sliding plate (7) is made of a T-shaped sliding block and a metal plate, a rectangular notch is formed in the outer side of the sliding plate (7), the rectangular notch in the outer side of the sliding plate (7) is matched with the sliding block (9), and the bottom end of the nut (8) is in threaded connection with the outer portion of the sliding block (9).
6. The numerical control machine tool machining drilling device according to claim 1, characterized in that: the utility model discloses a drill bit, including expansion plate (10) and flexible piece (13), the equal threaded connection in outside of expansion plate (10) and flexible piece (13) has the nut, the inside fixedly connected with motor of motor case (14), the notch has been seted up at the top of motor case (14), and the notch fixedly connected with radiator-grid at motor case (14) top, the outside fixedly connected with socket of motor case (14), the annular groove has been seted up to the inside of motor case (14), one side fixedly connected with bearing of retainer plate (15), and the bearing fixed connection of retainer plate (15) one side is in the inside annular groove of motor case (14), the thread groove has been seted up to the outside of drill bit (16), the outside fixedly connected with toper metal block of drill bit (16).
7. The numerical control machine tool machining drilling device according to claim 1, characterized in that: the base (1) is further provided with a limiting device, and the limiting device comprises:
the sliding rail (001) is arranged in the middle of the upper surface of the base (1) and fixedly connected with the base (1);
the limiting block (002) is arranged on the sliding rail (001) and is connected with the sliding rail (001) in a sliding manner;
the compression bolt (003) is arranged on the limiting block (002) and is in threaded connection with a threaded hole which is formed in the limiting block (002) and penetrates up and down;
the first universal wheel (004), the first universal wheel (004) is arranged on the limiting block (002) and is fixedly connected with the limiting block (002);
the supporting rod (005) is arranged on the universal wheel, and one end of the supporting rod (005) is rotatably connected with the universal wheel;
the connecting rod (006) is arranged at the lower end of the sliding block (9), and one end of the connecting rod (006) is fixedly connected with the sliding block (9);
the supporting plate (007) is arranged at the lower end of the connecting rod (006), and the upper surface of the supporting plate (007) is fixedly connected with the other end of the connecting rod (006);
second universal wheel (008), second universal wheel (008) set up the lower surface of backup pad (007), with backup pad (007) fixed connection, second universal wheel (008) with the other end of bracing piece (005) is rotated and is connected.
8. The numerical control machine tool machining drilling device according to claim 1, characterized in that: fixed shell (2) is inside to set up automatic heat sink, automatic heat sink includes:
the water-cooling cooler is arranged on the fixed shell (2) and used for cooling the drill bit (16);
a controller arranged on the fixed housing (2);
the pressure sensor is arranged at one end of the drill bit (16) connected with the fixed ring (15) and used for detecting the pressure applied to the drill bit (16);
the first detection device is arranged in the groove on one side of the drill bit (16) and is used for detecting the temperature of the drill bit (16);
the second detection device is arranged in the groove on one side of the drill bit (16) and is used for detecting the drilling depth;
the controller with water-cooling cooler, pressure sensor, first detection device, second detection device electricity are connected, the controller is based on pressure sensor, first detection device, the water yield of second detection device detection value control water-cooling cooler, including following step:
step 1, calculating heat Q generated by friction between the drill bit and the drill hole in unit time according to the detection values of the pressure sensor and the second detection device and a formula (1)1：
Mu is a friction factor of the drill bit and a drill hole, a is a drill bit cutting edge width, P is a pressure value detected by a pressure sensor, S is a drill hole area, beta is an included angle between a drill bit inclined plane and a central line, h is a drill hole depth, n is a drill bit rotating speed, r is a drill bit radius, pi is a circumferential rate, pi is 3.14, and cos is a cosine value for solving the angle;
step 2, calculating a target demand V of cold water in unit time according to a first detection device formula (2);
wherein gamma is the cooling efficiency of the water-cooling cooler, rho is the density of water, and C isSpecific heat of water, T1Initial temperature, T, of cold water output for a water-cooled desuperheater2The temperature value detected by the first detection device;
and 3, controlling the water-cooling cooler to work by the controller, so that the amount of cold water actually output in unit time of the water-cooling cooler is the target demand of the cold water in unit time.
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| CN202010943241.5A CN112024933A (en) | 2020-09-09 | 2020-09-09 | Drilling device for machining numerical control machine tool |
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| CN202010943241.5A CN112024933A (en) | 2020-09-09 | 2020-09-09 | Drilling device for machining numerical control machine tool |
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| US5442843A (en) * | 1993-02-01 | 1995-08-22 | Julius Blum Gesellschaft M.B.H. | Drilling machine for drilling holes in furniture parts |
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