CN116787196A - Numerical control machine tool based on automatic tool changing technology - Google Patents
Numerical control machine tool based on automatic tool changing technology Download PDFInfo
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- CN116787196A CN116787196A CN202311019343.8A CN202311019343A CN116787196A CN 116787196 A CN116787196 A CN 116787196A CN 202311019343 A CN202311019343 A CN 202311019343A CN 116787196 A CN116787196 A CN 116787196A
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- 238000005516 engineering process Methods 0.000 title claims abstract description 24
- 230000033001 locomotion Effects 0.000 claims description 15
- 238000004140 cleaning Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 14
- 238000005299 abrasion Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
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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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
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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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Tool Replacement In Machine Tools (AREA)
Abstract
The invention discloses a numerical control machine tool based on an automatic tool changing technology, which belongs to the field of numerical control machine tools and comprises a numerical control machine tool main body, wherein one side of the inside of the numerical control machine tool main body is provided with a chuck, and the other side of the inside of the numerical control machine tool main body is rotationally connected with a tool changing assembly corresponding to the position of the chuck; the cutter feeding assembly is arranged below the cutter changing assembly. According to the invention, the driving switching wheel rotates to drive the cutter switching belt to drive between the driving switching wheel and the driven switching wheel, so that the cutter assembly port assembled with the cutter of the type to be replaced can be transferred to the front of the cutter outer sleeve, the cutter switching belt is utilized to lay a plurality of cutters in two rows in parallel, the cutter switching is not influenced while the number of the assembled cutters of the cutter switching belt is increased, and when a new cutter is used for machining a workpiece on a chuck, the second electric push rod is controlled to pull the cutter to be switched to move to the original position, so that the cutter assembly port is far away from a machining station of the workpiece, and abrasion of the cutter caused by machining scraps generated by machining is avoided.
Description
Technical Field
The invention belongs to the field of numerical control machine tools, and particularly relates to a numerical control machine tool based on an automatic tool changing technology.
Background
An automatic machine tool with a program control system for a numerical control machine tool can automatically process parts by controlling various processing requirements such as milling, drilling, boring, tapping and the like through a computer program, and a tool magazine system provides the requirements of tool storage and tool changing required in the automatic processing process of the numerical control machine tool, so that the processing time is greatly shortened.
The invention patent for the field of numerical control machine tools is disclosed in the prior art, wherein the invention patent with the application number of CN202110307546.1 discloses a quick semi-automatic replacing device for a tool bit of a numerical control machine tool, the quick semi-automatic replacing device comprises a shell, a loading and unloading belt is arranged at the bottom of the shell, a clamping groove is formed in the surface of the loading and unloading belt, a driving wheel is connected with the inner side surface of the loading and unloading belt in a transmission manner, a rotating column is arranged on the upper side of the loading and unloading belt, and an intermittent groove is formed in the surface of the rotating column. This a quick semi-automatic change device for digit control machine tool bit through loading and unloading area, draw-in groove, drive wheel, dwellings post, intermittent type groove, rack, rotor arm, protruding post, cooperation gear, cooperation guide pulley, lift groove, slip post, interior lift cardboard, eccentric card wheel, connect the cooperation use of dead lever and outer lift cardboard to reached and put into the draw-in groove with the tool bit that needs to be changed, starting drive just can dismantle current tool bit, and change the tool bit of putting into, manpower and time consumption when having reduced the change tool bit have improved the effect of the efficiency of work.
The numerical control machine tool in the prior art needs to switch the cutter in the machining process, and the cutter is switched through the tool magazine of holding many tool bits, and the warehouse of cutter is deposited to the tool magazine, and current tool magazine divide into bamboo hat formula tool magazine, disc type tool magazine and chain type tool magazine, produces metal resonance easily, and the tool rest can produce certain vibratory force because the effort of lathe processing for the cutter of installing on the tool magazine can appear becoming flexible because of the reason of machining vibratory force, leads to the cutter to appear misplacement easily or unexpected circumstances that breaks away from the tool magazine, causes the cutter to damage, influences the whole running state of lathe, also reduces the life of lathe.
Based on the above, the invention designs a numerical control machine tool based on an automatic tool changing technology to solve the above problems.
Disclosure of Invention
The invention aims at: in order to solve the problem that a numerical control machine tool in the prior art needs to switch tools in the machining process, and the tools are switched through a tool magazine containing a plurality of tool bits, the existing tool magazine is divided into a bamboo hat type tool magazine, a disc type tool magazine and a chain type tool magazine, metal resonance is easy to generate, a tool rest can generate certain vibration force due to the acting force of machining of the machine tool, the tools installed on the tool magazine can be loosened due to the machining vibration force, dislocation of the tools or unexpected detachment of the tools from the tool magazine is easy to occur, tool damage is caused, the whole running state of the machine tool is influenced, and the service life of the machine tool is also reduced.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the numerical control machine tool based on the automatic tool changing technology comprises a numerical control machine tool main body, wherein a chuck is arranged on one side of the inside of the numerical control machine tool main body, and a tool changing assembly is rotatably connected to the other side of the inside of the numerical control machine tool main body corresponding to the position of the chuck;
the below of tool changing subassembly is provided with cutter material loading subassembly, cutter material loading subassembly's one end is connected on the inside lateral wall of digit control machine tool main part, cutter material loading subassembly's the other end is connected with cutter switching subassembly, cutter switching subassembly includes initiative switching wheel, driven switching wheel, cutter switching area and sets up a plurality of cutter equipment mouths on the cutter switching area, be connected through cutter switching area transmission between initiative switching wheel and the driven switching wheel, initiative switching wheel rotates and drives the quick circulation of cutter switching area, makes one of them cutter equipment mouthful circulate to the tool changing subassembly in front.
As a further description of the above technical solution:
the tool changing assembly comprises a driving main shaft, one end of the driving main shaft is rotatably connected to the other side surface inside the numerical control machine body, the other end of the driving main shaft is connected with a tool changing outer sleeve, and a tool changing inner sleeve is clamped in a port at the other end of the tool changing outer sleeve;
the tool changing device comprises a tool changing inner sleeve, and is characterized in that a plurality of arm openings are formed in the wall of the tool changing inner sleeve, a tool changing arm is sleeved in the arm openings, a tool changing spring is sleeved at one end of the tool changing arm, the tool changing arm is connected to the tool changing inner sleeve through the tool changing spring, a holding-down plate is connected to the other end of the tool changing arm, and the holding-down plate is located on the inner side of the tool changing inner sleeve.
As a further description of the above technical solution:
the tool changing outer sleeve is internally embedded with a tool changing driving assembly, and the tool changing driving assembly comprises a first electric push rod and is used for enabling a plurality of traction plates to be gathered rapidly when the first electric push rod performs stretching movement.
As a further description of the above technical solution:
one end of the first electric push rod is connected to the inside of the tool changing outer sleeve, the other end of the first electric push rod is connected with a U-shaped support, the first electric push rod is connected with a connecting sleeve ring through the U-shaped support, the connecting sleeve ring is sleeved on the tool changing inner sleeve, the positions, corresponding to the plurality of tool changing arms, of the connecting sleeve ring side are connected with active wedge-shaped seats, passive wedge-shaped seats are connected onto inclined planes of the plurality of active wedge-shaped seats in a sliding mode, and the plurality of passive wedge-shaped seats are connected onto the plurality of tool changing arms respectively.
As a further description of the above technical solution:
the cutter feeding assembly comprises a lower layer switching frame, and a lower layer switching inner core is rotationally connected to the inner side of the lower layer switching frame;
the lower layer switching inner core is connected with a second electric putter, the other end of the second electric putter is connected with an upper layer switching inner core, and the upper layer switching inner core is rotationally connected with an upper layer switching frame.
As a further description of the above technical solution:
the lower layer switching inner core is connected with a first elastic nut in a threaded manner, and the first elastic nut is twisted to adjust the stability of the lower layer switching inner core on the inner side of the lower layer switching frame;
the upper layer switching inner core is connected with a second elastic nut in a threaded manner, and the second elastic nut is twisted to adjust the stability of the upper layer switching inner core on the inner side of the upper layer switching frame.
As a further description of the above technical solution:
the driving switching wheel is provided with a driving groove, the driving groove is rotationally connected with a machine base, one surface of the machine base is connected to the upper layer switching frame, the other surface of the machine base is connected with a small motor, and an output shaft of the small motor is connected to the inside of the driving switching wheel.
As a further description of the above technical solution:
the driven switching wheel is provided with a switching groove, a switching seat is rotationally connected in the switching groove, and the switching seat is connected with another upper switching inner core;
the plurality of cutter assembly openings are equidistantly arranged, and cutter locking assemblies are sleeved in the plurality of cutter assembly openings.
As a further description of the above technical solution:
the cutter locking assembly comprises a cutter locking ring, the cutter locking ring is clamped in a cutter assembly port, a plurality of sliding connecting grooves are formed in the end face of the cutter locking ring, sliding connecting seats are connected in the sliding connecting grooves in a sliding mode, locking springs are connected to the sliding connecting seat side, and the sliding connecting seats are connected with the inner portions of the sliding connecting grooves in an elastic mode through the locking springs.
As a further description of the above technical solution:
the sliding connecting seat side is connected with a cutter locking seat, a plurality of cutter locking seats are arranged in an annular array, one surface, far away from a cutter locking ring, of the cutter locking seat is of an arc-shaped structure, and a cleaning brush is connected to the cutter locking ring and used for cleaning cutters.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. according to the invention, the driving switching wheel rotates to drive the cutter switching belt to drive between the driving switching wheel and the driven switching wheel, so that the cutter assembly port assembled with the cutter of the type to be replaced can be transferred to the front of the cutter outer sleeve, the cutter switching belt is utilized to lay a plurality of cutters in two rows in parallel, the cutter switching is not influenced while the number of the assembled cutters of the cutter switching belt is increased, and when a new cutter is used for machining a workpiece on a chuck, the second electric push rod is controlled to pull the cutter to be switched to move to the original position, so that the cutter assembly port is far away from a machining station of the workpiece, and abrasion of the cutter caused by machining scraps generated by machining is avoided.
2. According to the invention, the cutter locking seats clamp the cutter handle, so that the cutter is prevented from deflecting due to the movement of the cutter in the cutter assembly port, the reliability of the next cutter changing is ensured, the arrangement of the cutter locking ring can reduce abrasion to a certain extent, the smoothness of the cutter changing process is improved, and the practicability is improved.
3. According to the invention, the tightness of the lower-layer switching inner core on the inner side of the lower-layer switching frame is adjusted by twisting the first elastic nut, so that the expansion angle of the second electric push rod can be adjusted, and the tightness of the upper-layer switching inner core on the inner side of the upper-layer switching frame is adjusted by twisting the second elastic nut, so that the cutter switching belt is parallel to the end surface of the cutter inner sleeve, and the angle of the cutter switching belt can be adjusted, thereby adapting to different working states.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a numerical control machine tool based on an automatic tool changing technology;
fig. 2 is a schematic structural diagram of a numerical control machine tool based on an automatic tool changing technology according to another view angle;
fig. 3 is a schematic structural diagram of a tool changing assembly in a numerical control machine tool based on an automatic tool changing technology according to the present invention;
fig. 4 is a schematic structural diagram of a tool changing assembly in a numerical control machine tool based on an automatic tool changing technology according to the present invention;
fig. 5 is a schematic structural diagram of a cutter feeding assembly in a numerical control machine tool based on an automatic cutter changing technology;
fig. 6 is a schematic structural diagram of a tool switching assembly in a numerical control machine tool based on an automatic tool changing technology according to the present invention;
fig. 7 is a schematic structural diagram of a method for locking a tool in a numerical control machine tool based on an automatic tool changing technology.
Legend description:
1. a numerical control machine tool main body; 2. a chuck; 3. a tool changing assembly; 301. driving a main shaft; 302. a tool changing outer sleeve; 303. a tool changing inner sleeve; 304. a tool changing arm; 305. a pulling plate; 306. a cutter changing spring; 4. a tool changing drive assembly; 401. a passive wedge mount; 402. an active wedge-shaped seat; 403. a coupling collar; 404. a first electric push rod; 5. a cutter feeding assembly; 501. a lower layer transfer frame; 502. a second electric push rod; 503. a first elastic nut; 504. an upper layer switching inner core; 505. an upper layer transfer frame; 6. a cutter switching assembly; 601. an active switching wheel; 602. a base; 603. a driven switching wheel; 604. an adapter; 605. cutting tool to change the belt; 606. a cutter assembling port; 7. a tool locking assembly; 701. a cutter locking ring; 702. a sliding connecting seat; 703. a locking spring; 704. a cutter locking seat; 8. a cleaning brush.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 7, the present invention provides a technical solution: the numerical control machine tool based on the automatic tool changing technology comprises a numerical control machine tool main body 1, wherein one side of the inside of the numerical control machine tool main body 1 is provided with a chuck 2, and the other side of the inside of the numerical control machine tool main body 1 is rotationally connected with a tool changing assembly 3 corresponding to the position of the chuck 2;
the below of tool changing subassembly 3 is provided with cutter material loading subassembly 5, the one end of cutter material loading subassembly 5 is connected on the inside lateral wall of digit control machine tool main part 1, the other end of cutter material loading subassembly 5 is connected with cutter switching assembly 6, cutter switching assembly 6 includes initiative switching wheel 601, driven switching wheel 603, cutter switching belt 605 and sets up a plurality of cutter equipment mouth 606 on cutter switching belt 605, be connected through cutter switching belt 605 transmission between initiative switching wheel 601 and the driven switching wheel 603, initiative switching wheel 601 rotates and orders about cutter switching belt 605 to circulate fast, make one of them cutter equipment mouth 606 circulate to the dead ahead of tool changing subassembly 3.
Specifically, the tool changing assembly 3 includes a driving spindle 301, one end of the driving spindle 301 is rotatably connected to the other side surface inside the numerically-controlled machine tool main body 1, the other end of the driving spindle 301 is connected to a tool changing outer sleeve 302, and a tool changing inner sleeve 303 is clamped in a port at the other end of the tool changing outer sleeve 302;
the tool changing inner sleeve 303 is provided with a plurality of arm openings, a tool changing arm 304 is sleeved in the arm openings, one end of the tool changing arm 304 is sleeved with a tool changing spring 306, the tool changing arm 304 is connected to the tool changing inner sleeve 303 through the tool changing spring 306, the other end of the tool changing arm 304 is connected with a holding plate 305, and the holding plate 305 is located on the inner side of the tool changing inner sleeve 303.
The implementation mode specifically comprises the following steps: the plurality of tool changing springs 306 start to do stretching movement from the compression state in the initial state, and in the process of synchronously stretching movement of the plurality of tool changing springs 306, tension is respectively applied to the plurality of tool changing arms 304, the plurality of pulling plates 305 are pulled to move away from the tool handle by the tension on the plurality of tool changing arms 304, so that the clamping combination relation of the tool in the tool changing inner sleeve 303 is relieved, and the elastic force generated when the plurality of locking springs 703 deform is used as the reaction force of the tool locking seat 704 on the tool handle, so that the tool is clamped and combined and connected in the tool assembling port 606.
Specifically, the tool changing driving assembly 4 is embedded in the tool changing outer sleeve 302, the tool changing driving assembly 4 includes a first electric push rod 404, when the first electric push rod 404 performs stretching motion, a plurality of traction plates 305 are gathered together rapidly, one end of the first electric push rod 404 is connected in the tool changing outer sleeve 302, the other end of the first electric push rod 404 is connected with a U-shaped bracket, the first electric push rod 404 is connected with a coupling sleeve 403 through the U-shaped bracket, the coupling sleeve 403 is sleeved on the tool changing inner sleeve 303, positions, corresponding to a plurality of tool changing arms 304, on the side of the coupling sleeve 403 are connected with active wedge bases 402, all the inclined surfaces of the active wedge bases 402 are connected with passive wedge bases 401 in a sliding mode, and the passive wedge bases 401 are respectively connected to the tool changing arms 304.
The implementation mode specifically comprises the following steps: the first electric push rod 404 is controlled to do retraction movement, the first electric push rod 404 pulls the connecting sleeve 403 to slide on the tool changing inner sleeve 303, the tool changing inner sleeve 303 simultaneously pulls the plurality of active wedge seats 402, the plurality of active wedge seats 402 respectively slide on the plurality of passive wedge seats 401, along with gradual weakening of pressure on the passive wedge seats 401 by the active wedge seats 402, the plurality of tool changing springs 306 start to do extension movement from a compression state in an initial state, in the process of synchronous extension movement of the plurality of tool changing springs 306, tension is respectively applied to the plurality of tool changing arms 304, the plurality of pulling plates 305 are pulled to move in a direction away from a tool handle by the tension on the plurality of tool changing arms 304, so that the clamping combination relation of the tool in the tool changing inner sleeve 303 is released, and the tool is clamped and combined in the tool assembling port 606 by using elastic force generated when the plurality of locking springs 703 deform as reaction force of the tool locking seats 704 acting on the tool handle.
Specifically, the cutter feeding assembly 5 comprises a lower layer switching frame 501, and a lower layer switching inner core is rotationally connected to the inner side of the lower layer switching frame 501;
the lower-layer switching inner core is connected with a second electric push rod 502, the other end of the second electric push rod 502 is connected with an upper-layer switching inner core 504, the upper-layer switching inner core 504 is rotationally connected with an upper-layer switching frame 505, the lower-layer switching inner core is connected with a first elastic nut 503 in a threaded manner, and the first elastic nut 503 is twisted to adjust the stability of the lower-layer switching inner core on the inner side of the lower-layer switching frame 501;
the upper layer switching inner core 504 is connected with a second elastic nut in a threaded manner, the second elastic nut is twisted to adjust the stability of the upper layer switching inner core 504 on the inner side of the upper layer switching frame 505, a driving groove is formed in the driving switching wheel 601, a machine base 602 is rotationally connected to one side of the machine base 602, the other side of the machine base 602 is connected with a small motor, an output shaft of the small motor is connected to the inner side of the driving switching wheel 601, a switching groove is formed in the driven switching wheel 603, a switching seat 604 is rotationally connected to the switching groove, and the switching seat 604 is connected with the other upper layer switching inner core 504;
the plurality of cutter assembling ports 606 are equidistantly arranged, and cutter locking assemblies 7 are sleeved in the cutter assembling ports 606.
The implementation mode specifically comprises the following steps: when the outer cutter changing sleeve 302 moves to the direction of the cutter feeding assembly 5 and the outer cutter changing sleeve 302 moves to the maximum distance value, the second electric push rod 502 is controlled to stretch, the upper layer switching inner core 504 is driven by the second electric push rod 502 to drive the upper layer switching frame 505 to lift upwards along the inclined path, the upper layer switching frame 505 carries the whole cutter switching assembly 6 to synchronously move until the cutter assembling port 606 without the cutter is lifted to the position right in front of the inner cutter changing sleeve 303, then the outer cutter changing sleeve 302 is driven to move to the direction of the cutter assembling port 606 by the driving main shaft 301, the cutter assembled on the inner side of the inner cutter changing sleeve 303 is sent into the cutter assembling port 606 by the outer cutter changing sleeve 302, and the cleaning brush 8 can remove machining chips remained on the surface of the cutter in the initial stage of the advancing of the cutter in the cutter assembling port 606.
Specifically, the tool locking assembly 7 includes a tool locking ring 701, the tool locking ring 701 is clamped in the tool assembling port 606, a plurality of sliding connecting grooves are formed in the end face of the tool locking ring 701, sliding connecting seats 702 are slidably connected in the sliding connecting grooves, locking springs 703 are connected to the sliding connecting seats 702, the sliding connecting seats 702 are elastically connected with the sliding connecting grooves through the locking springs 703, tool locking seats 704 are connected to the sliding connecting seats 702, the plurality of tool locking seats 704 are arranged in an annular array, and cleaning brushes 8 are connected to the tool locking ring 701 in an arc structure on one face, far away from the tool locking ring 701, of the tool locking seats 704 for cleaning the tool.
The implementation mode specifically comprises the following steps: the tool handle on the tool can simultaneously extrude the plurality of tool locking seats 704, under the action of extrusion force, the plurality of tool locking seats 704 respectively slide in the plurality of sliding connecting grooves through the plurality of sliding connecting seats 702, and the plurality of sliding connecting seats 702 respectively extrude the plurality of locking springs 703 in the sliding process and enable the plurality of locking springs 703 to elastically deform.
Working principle, when in use:
when the cutter needs to be replaced, the driving main shaft 301 is controlled to drive the cutter changing outer sleeve 302 to move towards the cutter feeding assembly 5, when the cutter changing outer sleeve 302 moves towards the direction to reach the maximum distance value, the second electric push rod 502 is controlled to do stretching movement, the upper layer switching inner core 504 is driven by the second electric push rod 502 to drive the upper layer switching frame 505 to lift upwards along the inclined path, the upper layer switching frame 505 carries the whole cutter switching assembly 6 to do synchronous movement until the cutter assembling port 606 without the cutter is lifted to the right front of the cutter changing inner sleeve 303, then the driving main shaft 301 is controlled to push the cutter changing outer sleeve 302 to move towards the cutter assembling port 606, the cutter assembled at the inner side of the cutter changing inner sleeve 303 is sent into the cutter assembling port 606 by the cutter changing outer sleeve 302, the cutter is in the initial stage of advancing in the cutter assembling port 606, the cleaning brush 8 can remove the processing scraps remained on the surface of the cutter, at the end of the forward movement of the tool in the tool assembling port 606, the tool shank on the tool presses the plurality of tool locking seats 704 at the same time, the plurality of tool locking seats 704 slide in the plurality of sliding connecting grooves through the plurality of sliding connecting seats 702 respectively, the plurality of sliding connecting seats 702 press the plurality of locking springs 703 respectively in the sliding process, the plurality of locking springs 703 are elastically deformed, then the first electric push rod 404 is controlled to do retracting movement, the first electric push rod 404 pulls the connecting collar 403 to slide on the tool changing inner sleeve 303, the tool changing inner sleeve 303 pulls the plurality of active wedge seats 402 simultaneously, the plurality of active wedge seats 402 slide on the plurality of passive wedge seats 401 respectively, the plurality of tool changing springs 306 start stretching movement from the initial compression state along with the gradual weakening of the pressure of the active wedge seats 402 on the passive wedge seats 401, in the process of synchronously stretching the plurality of cutter changing springs 306, tension is applied to the plurality of cutter changing arms 304 respectively, the plurality of pulling plates 305 are pulled to move towards the direction away from the cutter handle by the tension on the plurality of cutter changing arms 304, so that the clamping combination relation of the cutter in the cutter changing inner sleeve 303 is relieved, the elastic force generated when the plurality of locking springs 703 deform is used as the reaction force of the cutter locking seat 704 acting on the cutter handle, the cutter is clamped and connected in the cutter assembling port 606, then the driving main shaft 301 is controlled to drive the cutter changing outer sleeve 302 to move towards the cutter feeding assembly 5 again, the small motor is controlled to operate, the small motor drives the driving switching wheel 601 to rotate, the driving switching wheel 601 rotates to drive the cutter switching belt 605 to move between the driving switching wheel 601 and the driven switching wheel 603, the cutter assembling port 606 assembled with the cutter to be replaced can be directly in front of the cutter, the cutter switching belt 605 is utilized to lay two rows of parallel to the plurality of cutters, the cutter switching belt 605 in the assembling quantity of the cutter is not influenced when the cutter is clamped and connected in the cutter assembling port 606, the cutter is controlled to drive the cutter chuck 2 to drive the cutter to move to the cutter assembling port to the second position when the new cutter chuck 2 is used, and the cutter is controlled to move to the cutter assembling position is prevented from being worn away from the cutter assembling station;
the plurality of cutter locking seats 704 clamp the cutter handle, so that the cutter is prevented from deflecting due to the movement of the cutter in the cutter assembly port 606, the reliability of the next cutter changing is guaranteed, the arrangement of the cutter locking ring 701 can reduce abrasion to a certain extent, the smoothness of the cutter changing process is improved, and the practicability is improved;
the tightness of the lower-layer switching inner core on the inner side of the lower-layer switching frame 501 is adjusted by twisting the first elastic nut 503, so that the expansion angle of the second electric push rod 502 can be adjusted, the tightness of the upper-layer switching inner core 504 on the inner side of the upper-layer switching frame 505 is adjusted by twisting the second elastic nut, the cutter switching belt 605 is parallel to the end face of the cutter inner sleeve, and the angle of the cutter switching belt 605 can be adjusted, so that different working states can be adapted.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (10)
1. The numerical control machine tool based on the automatic tool changing technology comprises a numerical control machine tool main body (1) and is characterized in that one side of the inside of the numerical control machine tool main body (1) is provided with a chuck (2), and the other side of the inside of the numerical control machine tool main body (1) is rotationally connected with a tool changing assembly (3) corresponding to the position of the chuck (2);
the below of tool changing subassembly (3) is provided with cutter material loading subassembly (5), the one end of cutter material loading subassembly (5) is connected on the inside lateral wall of digit control machine tool main part (1), the other end of cutter material loading subassembly (5) is connected with cutter switching assembly (6), cutter switching assembly (6) are including initiative switching wheel (601), driven switching wheel (603), cutter switching area (605) and offer a plurality of cutter equipment mouthful (606) on cutter switching area (605), be connected through cutter switching area (605) transmission between initiative switching wheel (601) and the driven switching wheel (603), initiative switching wheel (601) rotate and order about cutter switching area (605) to circulate fast, make one of them cutter equipment mouth (606) circulate to the place ahead of tool changing subassembly (3).
2. The numerical control machine tool based on the automatic tool changing technology according to claim 1, wherein the tool changing assembly (3) comprises a driving main shaft (301), one end of the driving main shaft (301) is rotatably connected to the other side surface inside the numerical control machine tool main body (1), the other end of the driving main shaft (301) is connected with a tool changing outer sleeve (302), and a tool changing inner sleeve (303) is clamped in a port at the other end of the tool changing outer sleeve (302);
a plurality of arm openings are formed in the cylinder wall of the tool changing inner sleeve (303), tool changing arms (304) are sleeved in the arm openings, tool changing springs (306) are sleeved at one ends of the tool changing arms (304), the tool changing arms (304) are connected to the tool changing inner sleeve (303) through the tool changing springs (306), a holding-down plate (305) is connected to the other ends of the tool changing arms (304), and the holding-down plate (305) is located on the inner side of the tool changing inner sleeve (303).
3. The numerical control machine tool based on the automatic tool changing technology according to claim 2, wherein a tool changing driving assembly (4) is embedded in the tool changing outer sleeve (302), and the tool changing driving assembly (4) comprises a first electric push rod (404) and is used for enabling a plurality of traction plates (305) to be gathered rapidly when the first electric push rod (404) performs stretching movement.
4. The numerical control machine tool based on the automatic tool changing technology according to claim 3, wherein one end of the first electric push rod (404) is connected to the inside of the tool changing outer sleeve (302), the other end of the first electric push rod (404) is connected with a U-shaped bracket, the first electric push rod (404) is connected with a connecting collar (403) through the U-shaped bracket, the connecting collar (403) is sleeved on the tool changing inner sleeve (303), active wedge bases (402) are connected to positions, corresponding to the plurality of tool changing arms (304), on the side of the connecting collar (403), of the plurality of active wedge bases (402), passive wedge bases (401) are connected to inclined surfaces of the plurality of active wedge bases (402) in a sliding mode, and the plurality of passive wedge bases (401) are respectively connected to the plurality of tool changing arms (304).
5. The numerical control machine tool based on the automatic tool changing technology according to claim 1, wherein the cutter feeding assembly (5) comprises a lower layer switching frame (501), and a lower layer switching inner core is rotatably connected to the inner side of the lower layer switching frame (501);
the lower layer switching inner core is connected with a second electric push rod (502), the other end of the second electric push rod (502) is connected with an upper layer switching inner core (504), and the upper layer switching inner core (504) is rotationally connected with an upper layer switching frame (505).
6. The numerical control machine tool based on the automatic tool changing technology according to claim 5, wherein the lower-layer switching inner core is connected with a first elastic nut (503) in a threaded manner, and the first elastic nut (503) is twisted to adjust the stability of the lower-layer switching inner core on the inner side of the lower-layer switching frame (501);
the upper layer switching inner core (504) is connected with a second elastic nut in a threaded mode, and the second elastic nut is twisted to adjust stability of the upper layer switching inner core (504) on the inner side of the upper layer switching frame (505).
7. The numerical control machine tool based on the automatic tool changing technology according to claim 1, wherein a driving groove is formed in the driving switching wheel (601), a base (602) is rotatably connected to the driving groove, one surface of the base (602) is connected to the upper layer switching frame (505), a small motor is connected to the other surface of the base (602), and an output shaft of the small motor is connected to the inside of the driving switching wheel (601).
8. The numerical control machine tool based on the automatic tool changing technology according to claim 7, wherein a transfer groove is formed in the driven switching wheel (603), a transfer seat (604) is rotationally connected to the transfer groove, and the transfer seat (604) is connected with another upper transfer inner core (504);
the plurality of cutter assembly openings (606) are equidistantly arranged, and cutter locking assemblies (7) are sleeved in the plurality of cutter assembly openings (606).
9. The numerical control machine tool based on the automatic tool changing technology according to claim 8, wherein the tool locking assembly (7) comprises a tool locking ring (701), the tool locking ring (701) is clamped in a tool assembling port (606), a plurality of sliding connecting grooves are formed in the end face of the tool locking ring (701), a sliding connecting seat (702) is slidably connected in the sliding connecting grooves, a locking spring (703) is connected to the sliding connecting seat (702) side, and the sliding connecting seat (702) is elastically connected with the inside of the sliding connecting groove through the locking spring (703).
10. The numerical control machine tool based on the automatic tool changing technology according to claim 9, wherein the sliding connecting seat (702) is connected with a tool locking seat (704) on the side, the plurality of tool locking seats (704) are arranged in an annular array, one surface, far away from the tool locking ring (701), of the tool locking seat (704) is in an arc-shaped structure, and a cleaning brush (8) is connected to the tool locking ring (701) and is used for cleaning a tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311019343.8A CN116787196A (en) | 2023-08-14 | 2023-08-14 | Numerical control machine tool based on automatic tool changing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311019343.8A CN116787196A (en) | 2023-08-14 | 2023-08-14 | Numerical control machine tool based on automatic tool changing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116787196A true CN116787196A (en) | 2023-09-22 |
Family
ID=88037045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311019343.8A Pending CN116787196A (en) | 2023-08-14 | 2023-08-14 | Numerical control machine tool based on automatic tool changing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116787196A (en) |
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2023
- 2023-08-14 CN CN202311019343.8A patent/CN116787196A/en active Pending
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