CN105798361A - Tool chuck, drilling machine and drilling apparatus - Google Patents
Tool chuck, drilling machine and drilling apparatus Download PDFInfo
- Publication number
- CN105798361A CN105798361A CN201610339228.2A CN201610339228A CN105798361A CN 105798361 A CN105798361 A CN 105798361A CN 201610339228 A CN201610339228 A CN 201610339228A CN 105798361 A CN105798361 A CN 105798361A
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- CN
- China
- Prior art keywords
- chuck
- main shaft
- cutter
- segmental arc
- collet body
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/12—Adapters for drills or chucks; Tapered sleeves
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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
-
- 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
- B23Q11/1015—Arrangements for cooling or lubricating tools or work by supplying a cutting liquid through the spindle
- B23Q11/103—Rotary joints specially adapted for feeding the cutting liquid to the spindle
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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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
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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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/26—Fluid-pressure drives
-
- 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
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention provides a tool chuck, a drilling machine and a drilling apparatus. The tool chuck comprises a chuck body and a chuck plate, wherein the chuck body is fixedly connected with a spindle; a hilt of a tool penetrates in the chuck body; a through hole is formed in the side wall of the chuck body; a rolling body which is matched with the through hole is arranged in the through hole; the chuck plate sleeves the chuck body and can rotate relative to the chuck body; the inner wall surface of the chuck plate comprises an eccentric segmental arc corresponding to the through hole; along the rotating direction of the spindle, the distance between the eccentric segmental arc and the outer wall surface of the hilt is gradually reduced, the maximum distance between the eccentric segmental arc and the outer wall surface of the hilt is greater than the diameter of the rolling body, the minimum distance between the eccentric segmental arc and the outer wall surface of the hilt is smaller than or equal to the diameter of the rolling body, so that the rolling body is extruded between the eccentric segmental arc and the outer wall surface of the hilt when the spindle drives the chuck body to rotate to a preset position, and the spindle drives the chuck plate and the tool to rotate. According to the tool chuck provided by the invention, the tool is convenient to change.
Description
Technical field
The present invention relates to field of machining, more specifically, relate to a kind of cutter chuck, include the rig of this cutter chuck and include the drilling equipment of this rig.
Background technology
All trades and professions all set up continuous way automatic production line in research and development iterative method in recent years; raise labour productivity; reduce labor strength; and continuous way automatic production line also has the defect that it is fatal; be exactly when on this production line any point break down need shutdown inspection or change parts time, whole production line will be out of service, and production line is more long; more easily breaking down, the cost allowance stopping line that replacing trouble unit causes is more big.
Summary of the invention
It is contemplated that at least solve one of technical problem of existence in prior art.
For this, the purpose of the first aspect of the invention is in that to provide a kind of cutter chuck.
The purpose of second aspect of the present invention is in that to provide a kind of rig including above-mentioned cutter chuck.
The purpose of third aspect of the present invention is in that to provide a kind of drilling equipment including above-mentioned rig.
For achieving the above object, the embodiment of the first aspect of the invention provides a kind of cutter chuck, including: collet body, fix with main shaft and be connected, and the handle of a knife of described cutter is located on described collet body, the sidewall of described collet body offers through hole, in described through hole, is provided with the rolling element coordinated with described through hole；And chuck, it is set on described collet body, and can rotate relative to described collet body；Wherein, the internal face of described chuck includes the eccentric segmental arc corresponding with described through hole, rotation direction along described main shaft, distance between described eccentric segmental arc and the outside wall surface of described handle of a knife is gradually reduced, and the ultimate range between described eccentric segmental arc and the outside wall surface of described handle of a knife is more than the diameter of described rolling element, minimum range between described eccentric segmental arc and the outside wall surface of described handle of a knife is less than or equal to the diameter of described rolling element, so that when described main shaft drives described collet body to turn to predeterminated position, described rolling element is compressed between described eccentric segmental arc and the outside wall surface of described handle of a knife, described main shaft drives described chuck and described cutter to rotate.
The cutter chuck that the above embodiment of the present invention provides, main shaft is fixing with collet body to be connected, chuck is set on collet body so that rolling element is wrapped in through hole by eccentric segmental arc, and namely rolling element is between eccentric segmental arc and the outside wall surface of handle of a knife, when main shaft remains static, having gap between eccentric segmental arc and rolling element, rolling element is not had extruding force by eccentric segmental arc, now, rolling element will not extrude the outside wall surface of handle of a knife, and cutter is in the relaxed state not being engaged with chuck；When the shaft rotates, main shaft drives collet body to rotate, rolling element is rotated along eccentric segmental arc, along with the distance between eccentric segmental arc and the outside wall surface of handle of a knife is gradually reduced, when turning to predeterminated position (distance between eccentric segmental arc and the outside wall surface of handle of a knife is equal to or slightly less than the diameter of rolling element), rolling element contacts with eccentric segmental arc, rolling element is made to be subject to the extruding force of eccentric segmental arc, it is compressed between eccentric segmental arc and the outside wall surface of handle of a knife, chuck and cutter are interlocked, realizing the clamping to cutter, now, chuck and cutter are with main axis；When main shaft stops operating, collet body stops operating, cutter and chuck are rotated further under effect of inertia, chuck turns to the position that again there is gap between eccentric segmental arc and rolling element, rolling element no longer extrudes handle of a knife, cutter and rolling element are separated, now, only need to directly extract cutter to place into required cutter and can complete the replacing to cutter, avoid and prior art first outwards winding chuck and taper ringfeder carrys out loosening cutter, screw chuck after changing required cutter again and taper ringfeder fixes the drawback of cutter, save the time changing cutter, decrease and stop the time that line delays work, reduce the cost allowance stopping line.
It addition, the cutter chuck that the above embodiment of the present invention provides also has following additional technical feature:
In technique scheme, preferably, the internal face of described chuck includes the described eccentric segmental arc that multiple circumference is uniform, described collet body offers multiple respectively with multiple described eccentric segmental arc described through holes one to one, multiple eccentric segmental arcs and multiple through hole are set so that when main shaft drives chuck and cutter to rotate, multiple eccentric segmental arcs extrude multiple rolling element simultaneously, multiple rolling elements extrude handle of a knife simultaneously, strengthen the balance of handle of a knife stress, strengthen chuck with the stability in main axis process simultaneously.Preferably, the arc length of multiple eccentric segmental arcs is equal, and multiple through holes are uniformly distributed on collet body, improves the balance of handle of a knife stress under the compacted state of handle of a knife further.
Preferably, the internal face of chuck includes three end to end eccentric segmental arcs successively, the arc length of each eccentric segmental arc is equal, and the circumference along the internal face of chuck is uniformly distributed, and collet body offers equally distributed three through holes, a rolling element it is provided with in each through hole, arranging three eccentric segmental arcs, form three end to end junction points on the internal face of chuck, three junction points can determine a circle, it is beneficial to the machine-shaping of chuck, it is possible to simplify the processing technique of chuck.
Preferably, the outside wall surface of chuck offers equally distributed multiple chuck hole, when steel ball chuck stuck phenomenon occurs with chuck because of deformation, damaged etc., it is possible to insert a tool in chuck hole, utilize instrument manually to be unscrewed by chuck.
In technique scheme, preferably, offering the annular spacing groove matched with described rolling element in the outside wall surface of described handle of a knife, when described main shaft drives described collet body to turn to described predeterminated position, described rolling element is compressed between described annular spacing groove and described eccentric segmental arc.
In above-described embodiment, the setting of annular spacing groove, rolling element is coordinated with handle of a knife closely, enhance the rolling element extrusion capability to handle of a knife, enhance stability and reliability that main shaft drives chuck and handle of a knife to rotate, also enhance the rolling element position-limiting action to cutter, it is to avoid cutter is along the rocking of axis direction of main shaft.
Preferably, minimum range (being now in the terminal of eccentric segmental arc) between eccentric segmental arc and the outside wall surface of handle of a knife is less than the diameter of rolling element, namely at the destination county of eccentric segmental arc, distance between eccentric segmental arc and the outside wall surface of handle of a knife is less than the diameter of rolling element, so, rolling element is just closely engaged with cutter before the terminal arriving eccentric segmental arc, it is to avoid cutter skids.Now, when through hole goes to starting point (distance between eccentric segmental arc and the outside wall surface of handle of a knife is maximum) of eccentric segmental arc, on through hole, the distance of the starting point of the stable central point of rolling element and eccentric segmental arc is more than the radius of rolling element, when through hole goes to terminal (distance between eccentric segmental arc and the outside wall surface of handle of a knife is minimum) of eccentric segmental arc, on through hole, the distance of the destination county of the stable central point of rolling element and eccentric segmental arc is less than the radius of rolling element.
Preferably, rolling element is steel ball.
Preferably, through hole is positioned at the diameter diameter be more than or equal to steel ball at the outside wall surface place of collet body, through hole is positioned at the diameter diameter less than steel ball of the part at the internal face place of collet body, after steel ball is compressed by the eccentric segmental arc on chuck, in the internal face of the prominent collet body of part and prominent portion compresses annular spacing groove on handle of a knife, and through hole is positioned at the diameter of part at internal face place of collet body less than the diameter of steel ball, being prevented from after cutter extracts, steel ball is positioned at the part at the internal face place of collet body and falls to the center of collet body from through hole.
In technique scheme, preferably, described collet body includes the path section and the big footpath section that are connected, wherein, described through hole is opened in described path section, offering the limited impression of circumference in the both ends of the surface that described big footpath section is relative with described chuck one, what another was provided with slip coordinates the locating part in described limited impression.
In above-described embodiment, through hole is opened in path section, and eccentric segmental arc is set in path section；When chuck rotates relative to collet body, locating part is positioned at limited impression, and slide relative to limited impression, such as, when main shaft stops operating, collet body stops operating, and chuck is rotated further under the effect of inertia force, now, locating part rotates in limited impression and relative to limited impression, thus improve the stability that chuck rotates relative to collet body, reducing chuck and rotating stuck probability.Preferably, collet body is hollow structure.
In technique scheme, it is preferable that described chuck offers multiple equally distributed described limited impression, described big footpath section be provided with multiple respectively with multiple described limited impressions described locating part one to one.
In above-described embodiment, by being slidably matched of multiple limited impressions and multiple locating parts, further increase the stability that chuck rotates relative to collet body.Preferably, chuck offering three equally distributed limited impressions, the big footpath section of collet body is provided with three locating parts, while playing the stationarity strengthening chuck rotation, simplifies the processing technique of chuck and collet body.
It should be noted that need the positions and dimensions of reasonably the design position of limited impression, size and locating part, it is ensured that before rolling element is compressed in the outside wall surface of eccentric segmental arc and handle of a knife, locating part can rotate relative to limited impression all the time.
In technique scheme, it is preferable that described locating part is caging bolt, between bolt head and the groove bottom wall of described limited impression of described caging bolt, there is gap, it is to avoid both contact generation frictional resistance.
In technique scheme, it is preferable that the outside wall surface of described chuck offers chuck hole.
In technique scheme, it is preferable that described cutter chuck also includes: connector, between described main shaft and described collet body, the two ends of described connector are fixing with described main shaft and described collet body respectively to be connected.
Preferably, connector is achieved a fixed connection with main shaft and collet body by bolt.
In technique scheme, it is preferable that described cutter chuck also includes: jump ring, it is set in described path section, and on the end face that to be positioned on described chuck opposing with described big footpath section.
In above-described embodiment, jump ring can stop chuck along the outside play of path section axis direction, is pressed on collet body by chuck.Preferably, pad it is additionally provided with between jump ring and chuck.
Preferably, the upper end of chuck is set in path section, and the bottom of chuck is set in the section of big footpath, strengthens the reliability that chuck rotates relative to collet body, it is to avoid chuck departs from collet body.Preferably, between lower surface and the connector of the bottom of chuck, there is gap, it is to avoid contact both when chuck rotates relative to connector produces frictional resistance.
The embodiment of second aspect of the present invention provides a kind of rig, including: main shaft base plate, described main shaft base plate is provided with the chip-removal hole of multiple through described main shaft base plate；Spindle drum, the bottom of described spindle drum is fixed on described main shaft base plate, and described spindle drum offers installing hole；Main shaft, it is arranged in described installing hole, and the bottom of described main shaft is through described main shaft base plate, the described bottom of described main shaft is provided with spindle pulley, described spindle pulley lower center is provided with swivel joint, described swivel joint is fixed on described main shaft base plate by connection supports frame, and the center of described main shaft and described swivel joint offers coolant and adds hand-hole；Electric baseboard, is fixedly mounted on described main shaft base plate；Motor, is arranged on described electric baseboard, and described motor is rotated by spindle pulley described in motor pulley and belt drives；Cutter chuck described in any of the above-described embodiment；And cutter, the handle of a knife of described cutter is interspersed in described cutter chuck and the connection that can dismantle, the collet body of described cutter chuck drives described cutter to rotate together after rolling and compress, along eccentric segmental arc, the outside wall surface being engaged in described handle of a knife by the centrifugal force pulls rolling element that the rotation of described main shaft produces.
The rig that the embodiment of second aspect of the present invention provides, because comprising the cutter chuck described in the embodiment of first aspect, it is thus possible to change cutter easily, reduces and stops, because of what change cutter generation, the time that line delays work.Motor is rotated by motor pulley and belt drives spindle pulley, thus driving main shaft to rotate.
Main shaft base plate offers multiple chip-removal hole so that drilling cuttings will not be deposited on main shaft base plate.The alignment of shafts is offered coolant and is added hand-hole (through hole) so that cutter is directly cooled down by coolant from the center of main shaft, improves cryogenin accuracy, improves cutting-tool's used life.
Preferably, connection supports frame is L-shaped, and one end of L-type is connected with main shaft base plate, and the other end of L-type is connected with swivel joint, and swivel joint is with main axis, and rotates relative to L-type connection supports frame, and coolant adds hand-hole from the coolant of swivel joint and adds.
Preferably, cutter is that U bores, and good rigidly, drilling speed that U bores are fast, and the blade that U bores can be changed, and cutter body can reuse.
The embodiment of third aspect of the present invention provides a kind of drilling equipment, including: frame, described frame is provided with lead；Rig described in above-described embodiment, described rig is fixed in described frame；Device for pre-positioning, is positioned at the arrival end of described frame, for orifice pre-determined bit to be drilled；Clamping device, is positioned in described frame, is used for clamping described orifice to be drilled；Track, is positioned at the top of described rig, is used for carrying described orifice to be drilled, and described track includes fluctuating orbit, and described fluctuating orbit is set on described lead, and is positioned at the surface of the cutter of described rig；And actuator, it is positioned in described frame, for driving described fluctuating orbit and described clamping device to be synchronized with the movement to the direction near described rig.
In above-described embodiment, rig is fixed in frame, and it is positioned at the lower section of track, in boring procedure, when orifice to be drilled is transported to device for pre-positioning, this orifice to be drilled is clamped location by device for pre-positioning, make this orifice to be drilled be positioned in the middle of track and wait that an orifice to be drilled completes boring, after a upper orifice to be drilled completes boring, when this orifice to be drilled is transported to the fluctuating orbit above rig, this orifice to be drilled of gripping means grips, after this orifice to be drilled is clamped, actuator drives fluctuating orbit to move (pressing under rig) along lead to the direction near rig together with clamping device, realize the boring of this orifice to be drilled.Boring procedure for wheel hub, before the centre bore of wheel hub is not drilled through, drilling cuttings directly falls down, wheel hub upper surface will not be accumulated in, cutting fluid is also poured off directly down, and wheel hub is the conveying that faces up, and front (does not generally process) discord rail contact, wheel hub front is avoided to be damaged, it is to avoid the drawback that the drilling cuttings caused of holing from top to bottom flies to spill.
Specifically, in prior art, the main still a dead lift of aluminium alloy wheel hub pre-drilling center hole uses the boring of semi-automatic drilling machine, cutting fluid can be taken out of lathe after being drilled centre bore and be spread across ground, cause ground wet and slippery, workman's Long contact time is stained with the hub cast of cutting fluid, not only wet and slippery, and cutting fluid can spatter clothes with water, needing threading rubber gloves, canvas and rain boots, especially when winter, trick all feels cold especially.Therefore, the application adopt orbit transports, gripping means grips wheel hub and is driven fluctuating orbit and clamping device to synchronize to move downward by actuator, holing, it is achieved that through type automatization holes, and this through type automatic drilling device of turning replacing cutter is convenient.
Preferably, clamping device is the L-shaped jig arm being arranged on fluctuating orbit both sides, and each L-shaped jig arm has two pinch wheels, in the process of clamping wheel hub, the L-shaped jig arm of both sides has synchronicity, in four pinch wheels clamping wheel hubs while both sides, it is determined that the center of wheel hub.
Preferably, actuator is the cylinder or the hydraulic cylinder that are arranged on frame top.
Frame is provided with multiple lead, lead upper end is provided with top board, clamping device is arranged on top board side, top board is connected with fluctuating orbit by multiple joint pins, and the conveyor surface of top board and fluctuating orbit be arranged in parallel, after gripping means grips wheel hub, actuator drives top board, clamping device and fluctuating orbit to move downward along lead.
The additional aspect of the present invention and advantage will become apparent upon in description below part, or recognized by the practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage are from conjunction with will be apparent from easy to understand the accompanying drawings below description to embodiment, wherein:
Fig. 1 is the perspective view of the chuck described in embodiments of the invention；
Fig. 2 is the structural representation at a visual angle of the chuck shown in Fig. 1；
Fig. 3 is the structural representation at another visual angle of the chuck shown in Fig. 1；
Fig. 4 is the sectional structure schematic diagram of the chuck shown in Fig. 1；
Fig. 5 is the sectional structure schematic diagram of the rig described in embodiments of the invention；
Fig. 6 is the structure for amplifying schematic diagram in C portion in Fig. 5；
Fig. 7 is the structural representation of the drilling equipment described in embodiments of the invention.
Wherein, in Fig. 1 to Fig. 7, corresponding relation between accompanying drawing labelling and component names is:
11 collet bodies, 111 through holes, 112 rolling elements, 113 path sections, 114 big footpath sections, 115 locating parts, 12 chucks, 121 eccentric segmental arcs, 122 limited impressions, 123 chuck holes, 13 jump rings, 14 pads, 15 connectors, 2 main shafts, 21 coolants add hand-hole, 3 cutters, 31 handle of a knifes, 311 annular spacing grooves, 5L clevis arm, 51 pinch wheels, 6 tracks, 61 fluctuating orbits, 7 leads, 8 main shaft base plates, 9 spindle drums, 91 installing holes, 10 spindle pulleys, 20 swivel joints, 30 motors, 40 electric baseboards, 50 motor pulleys, 60 connection supports framves, 70 joint pins, 80 top boards, 100 rigs, 200 drilling equipments.
Detailed description of the invention
In order to be more clearly understood that the above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that when not conflicting, embodiments herein and the feature in embodiment can be mutually combined.
Elaborate a lot of detail in the following description so that fully understanding the present invention, but, the present invention can also adopt other to be different from mode described here to implement, and therefore, protection scope of the present invention is by the restriction of following public specific embodiment.
Cutter chuck according to some embodiments of the invention, rig and drilling equipment are described with reference to the accompanying drawings.
As shown in Figures 1 to 6, a kind of cutter chuck provided according to some embodiments of the invention, including collet body 11 and chuck 12.
Collet body 11 is fixing with main shaft 2 to be connected, and the handle of a knife 31 of cutter 3 is located on collet body 11, and the sidewall of collet body 11 offers through hole 111, is provided with the rolling element 112 coordinated with through hole 111 in through hole 111；Chuck 12 is set on collet body 11, and can rotate relative to collet body 11；Wherein, the internal face of chuck 12 includes the eccentric segmental arc 121 corresponding with through hole 111, rotation direction along main shaft 2, distance between eccentric segmental arc 121 and the outside wall surface of handle of a knife 31 is gradually reduced, and the ultimate range between bias segmental arc 121 and the outside wall surface of handle of a knife 31 is more than the diameter of rolling element 112, minimum range between eccentric segmental arc 121 and the outside wall surface of handle of a knife 31 is less than or equal to the diameter of rolling element 112, so that when main shaft 2 drives collet body 11 to turn to predeterminated position, rolling element 112 is compressed between eccentric segmental arc 121 and the outside wall surface of handle of a knife 31, main shaft 2 drives chuck 12 and cutter 3 to rotate.
The cutter chuck that the above embodiment of the present invention provides, main shaft 2 is fixing with collet body 11 to be connected, chuck 12 is set on collet body 11, eccentric segmental arc 121 is made to be wrapped in through hole 111 by rolling element 112, namely rolling element 112 is between eccentric segmental arc 121 and the outside wall surface of handle of a knife 31, when main shaft 2 remains static, between eccentric segmental arc 121 and rolling element 112, there is gap, rolling element 112 is not had extruding force by eccentric segmental arc 121, now, rolling element 112 will not extrude the outside wall surface of handle of a knife 31, and cutter 3 is in the relaxed state not being engaged with chuck 12；When main shaft 2 rotates, main shaft 2 drives collet body 11 to rotate, rolling element 112 is rotated along eccentric segmental arc 121, along with the distance between eccentric segmental arc 121 and the outside wall surface of handle of a knife 31 is gradually reduced, when turning to predeterminated position (distance between eccentric segmental arc 121 and the outside wall surface of handle of a knife 31 is equal to or slightly less than the diameter of rolling element 112), rolling element 112 contacts with eccentric segmental arc 121, rolling element 112 is made to be subject to the extruding force of eccentric segmental arc 121, it is compressed between eccentric segmental arc 121 and the outside wall surface of handle of a knife 31, chuck 12 and cutter 3 are interlocked, realize the clamping to cutter 3, now, chuck 12 and cutter 3 rotate with main shaft 2；When main shaft 2 stops operating, collet body 11 stops operating, cutter 3 and chuck 12 are rotated further under effect of inertia, chuck 12 turns to the position that again there is gap between eccentric segmental arc 121 and rolling element 112, rolling element 112 no longer extrudes handle of a knife 31, cutter 3 and rolling element 112 are separated, now, only need to directly extract cutter 3 to place into required cutter 3 and can complete the replacing to cutter 3, avoid and prior art first outwards winding chuck 12 and taper ringfeder carrys out loosening cutter 3, screw chuck 12 after changing required cutter 3 again and taper ringfeder fixes the drawback of cutter 3, save the time changing cutter 3, decrease and stop the time that line delays work, reduce the cost allowance stopping line.
Preferably, as shown in Figure 1, Figure 2 and Figure 4, the internal face of chuck 12 includes the eccentric segmental arc 121 that multiple circumference is uniform, collet body 11 offers multiple respectively with multiple eccentric segmental arc 121 through hole 111 one to one, multiple eccentric segmental arc 121 and multiple through hole 111 are set, when making main shaft 2 drive chuck 12 and cutter 3 to rotate, multiple eccentric segmental arcs 121 extrude multiple rolling element 112 simultaneously, multiple rolling elements 112 extrude handle of a knife 31 simultaneously, strengthen the balance of handle of a knife 31 stress, strengthen chuck 12 with the stability in main shaft 2 rotation process simultaneously.Preferably, the arc length of multiple eccentric segmental arcs 121 is equal, and multiple through holes 111 are uniformly distributed on collet body 11, improves the balance of handle of a knife 31 stress under the compacted state of handle of a knife 31 further.
Preferably, as depicted in figs. 1 and 2, the internal face of chuck 12 includes three uniform eccentric segmental arcs 121 of circumference, and the arc length of each eccentric segmental arc 121 is equal, and collet body 11 offers equally distributed three through holes 111, a rolling element 112 it is provided with in each through hole 111, arranging three eccentric segmental arcs 121, form three end to end junction points on the internal face of chuck 12, three junction points can determine a circle, it is beneficial to the machine-shaping of chuck 12, it is possible to simplify the processing technique of chuck 12.
Preferably, as shown in Figure 5 and Figure 6, the outside wall surface of handle of a knife 31 offering the annular spacing groove 311 matched with rolling element 112, when main shaft 2 drives collet body 11 to turn to predeterminated position, rolling element 112 is compressed between annular spacing groove 311 and eccentric segmental arc 121.
In above-described embodiment, the setting of annular spacing groove 311, rolling element 112 is coordinated with handle of a knife 31 closely, enhance the rolling element 112 extrusion capability to handle of a knife 31, enhance stability and reliability that main shaft 2 drives chuck 12 and handle of a knife 31 to rotate, also enhance the rolling element 112 position-limiting action to cutter 3, it is to avoid cutter 3 is along the rocking of axis direction of main shaft 2.
Preferably, as depicted in figs. 1 and 2, minimum range (being now in the terminal B place of eccentric segmental arc 121) between eccentric segmental arc 121 and the outside wall surface of handle of a knife 31 is less than the diameter of rolling element 112, namely at the terminal B place of eccentric segmental arc 121, distance between eccentric segmental arc 121 and the outside wall surface of handle of a knife 31 is less than the diameter of rolling element 112, so, rolling element 112 was just closely engaged with cutter 3 before arriving the terminal B of eccentric segmental arc 121, it is to avoid cutter 3 skids.Now, when through hole 111 goes to starting point A (distance between eccentric segmental arc 121 and the outside wall surface of handle of a knife 31 is maximum) of eccentric segmental arc 121, on through hole 111, the distance at the starting point A place of the stable central point of rolling element 112 and eccentric segmental arc 121 is more than the radius of rolling element 112, when through hole 111 goes to terminal B (distance between eccentric segmental arc 121 and the outside wall surface of handle of a knife 31 is minimum) of eccentric segmental arc 121, on through hole 111, the distance at the terminal B place of the stable central point of rolling element 112 and eccentric segmental arc 121 is less than the radius of rolling element 112.
Preferably, rolling element 112 is steel ball.
Preferably, through hole 111 is positioned at the diameter diameter be more than or equal to rolling element 112 at the outside wall surface place of collet body 11, through hole 111 is positioned at the diameter diameter less than rolling element 112 of the part at the internal face place of collet body 11, after rolling element 112 is pressed on by the eccentric segmental arc 121 on chuck 12, in the internal face of the prominent collet body 11 of part and prominent portion compresses annular spacing groove 311 on guide rod, and through hole 111 is positioned at the diameter of part at internal face place of collet body 11 less than the diameter of rolling element 112, it is prevented from after cutter 3 extracts, rolling element 112 is positioned at the part at the internal face place of collet body 11 and falls to the center of collet body 11 from through hole 111.
Preferably, as shown in Figure 5 and Figure 6, collet body 11 includes the path section 113 and the big footpath section 114 that are connected, wherein, through hole 111 is opened in path section 113, offering the limited impression 122 of circumference in the both ends of the surface that big footpath section 114 is relative with chuck 12 one, what another was provided with slip coordinates the locating part 115 in limited impression 122.
In above-described embodiment, through hole 111 is opened in path section 113, and eccentric segmental arc 121 is set in path section 113；When chuck 12 rotates relative to collet body 11, locating part 115 is positioned at limited impression 122, and slide relative to limited impression 122, such as, when main shaft 2 stops operating, collet body 11 stops operating, and chuck 12 is rotated further under the effect of inertia force, now, locating part 115 rotates in limited impression 122 and relative to limited impression 122, thus improve the stability that chuck 12 rotates relative to collet body 11, reducing chuck 12 and rotating stuck probability.Preferably, collet body 11 is hollow structure.Preferably, as depicted in figs. 1 and 2, chuck 12 offers multiple equally distributed limited impression 122, big footpath section 114 be provided with multiple respectively with multiple limited impression 122 locating part 115 one to one.
In above-described embodiment, by being slidably matched of multiple limited impressions 122 and multiple locating part 115, further increase the stability that chuck 12 rotates relative to collet body 11.Preferably, chuck 12 offering three equally distributed limited impressions 122, the big footpath section 114 of collet body 11 is provided with three locating parts 115, while playing the stationarity strengthening chuck 12 rotation, simplifies the processing technique of chuck 12 and collet body 11.
It should be noted that, need the positions and dimensions of reasonably the design position of limited impression 122, size and locating part 115, before ensureing the outside wall surface that rolling element 112 is compressed in eccentric segmental arc 121 and handle of a knife 31, locating part 115 can rotate relative to limited impression 122 all the time.
Preferably, as shown in Figure 5 and Figure 6, locating part 115 is caging bolt, has gap, it is to avoid both contact generation frictional resistance between bolt head and the groove bottom wall of limited impression 122 of caging bolt.
Preferably, shown in as shown in Figure 1, Figure 3 and Figure 4, the outside wall surface of chuck 12 offers chuck hole 123.
Preferably, the outside wall surface of chuck 12 offers equally distributed multiple chuck hole 123, when rolling element 112 chuck 12 stuck phenomenon occurs with chuck 12 because of deformation, damaged etc., it is possible to insert a tool in chuck hole 123, utilize instrument manually to be unscrewed by chuck 12.
Preferably, as shown in Figure 5 and Figure 6, cutter chuck also includes connector 15, and connector 15 is between main shaft 2 and collet body 11, and the two ends of connector 15 are fixed be connected with main shaft 2 and collet body 11 respectively.
Preferably, connector 15 is achieved a fixed connection with main shaft 2 and collet body 11 by bolt.
Preferably, as shown in Figure 5 and Figure 6, cutter chuck also includes jump ring 13, and jump ring 13 is set on handle of a knife 31, and on the end face that to be positioned on chuck 12 opposing with big footpath section 114.
In above-described embodiment, jump ring 13 can stop chuck 12 along the play of handle of a knife 31 axis direction, is pressed on collet body 11 by chuck 12.Preferably, pad 14 it is additionally provided with between jump ring 13 and chuck 12.
Preferably, as shown in Figure 6, the upper end of chuck 12 is set in path section 113, and the bottom of chuck 12 is set in big footpath section 114, strengthens the reliability that chuck 12 rotates relative to collet body 11, it is to avoid chuck 12 departs from collet body 11.Preferably, between lower surface and the connector 15 of the bottom of chuck 12, there is gap, it is to avoid contact both when chuck 12 rotates relative to connector 15 produces frictional resistance.
The embodiment of second aspect of the present invention provides a kind of rig 100, as it is shown in figure 5, include main shaft base plate 8, spindle drum 9, main shaft 2, electric baseboard 40, motor 30, the cutter chuck of any of the above-described embodiment and cutter 3.
Wherein, main shaft base plate 8 is provided with the chip-removal hole of multiple through main shaft base plate 8；The bottom of spindle drum 9 is fixed on main shaft base plate 8, and spindle drum 9 offers installing hole；Main shaft 2 is arranged in installing hole, and the bottom traverse main shaft base plate 8 of main shaft 2, the bottom of main shaft 2 is provided with spindle pulley 10, spindle pulley 10 lower center is provided with swivel joint 20, swivel joint 20 is fixed on main shaft base plate 8 by connection supports frame 60, and the center of main shaft 2 and swivel joint 20 offers coolant and adds hand-hole 21；Electric baseboard 40 is fixed on main shaft base plate 8；Motor 30 is arranged on electric baseboard 40, and motor 30 is rotated by motor pulley 50 and belt drives spindle pulley 10；The handle of a knife 31 of cutter 3 is interspersed in cutter chuck, and the connection can dismantled with cutter chuck, after the collet body 11 of cutter chuck rolls and compress, along eccentric segmental arc 121, the outside wall surface being engaged in handle of a knife 31 by the centrifugal force pulls rolling element 112 that main shaft 2 rotation produces, carry its tools 3 rotates.
The rig 100 that the embodiment of second aspect of the present invention provides, because comprising the cutter chuck described in the embodiment of first aspect, it is thus possible to change cutter 3 easily, reduces and stops, because of what change cutter 3 generation, the time that line delays work.Motor 30 is rotated by motor pulley 50 and belt drives spindle pulley 10, thus driving main shaft 2 to rotate.
Main shaft 2 center is offered coolant and is added hand-hole 21 (through hole 111) so that cutter 3 is directly cooled down by coolant from the center of main shaft 2, improves cryogenin accuracy, improves the service life of cutter 3.
Preferably, connection supports frame 60 is L-shaped, and one end of L-type is connected with main shaft base plate 8, the other end of L-type is connected with swivel joint 20, swivel joint 20 rotates with main shaft 2, and rotates relative to L-type connection supports frame 60, and coolant adds hand-hole 21 from the coolant of swivel joint 20 and adds.
Main shaft base plate 8 offers multiple chip-removal hole so that drilling cuttings will not be deposited on main shaft base plate 8.It is provided with bearing between the installing hole of main shaft and spindle drum 9.
Preferably, cutter 3 bores for U, and good rigidly, drilling speed that U bores are fast, and the blade that U bores can be changed, and cutter body can reuse.
The embodiment of third aspect of the present invention provides a kind of drilling equipment 200, as it is shown in fig. 7, comprises rig described in frame, above-described embodiment, device for pre-positioning, clamping device, track and actuator.
Wherein, frame is provided with lead 7；Rig 100 is fixed in frame；Device for pre-positioning is positioned at the arrival end of frame, for orifice pre-determined bit to be drilled；Clamping device is positioned in frame, is used for clamping orifice to be drilled；Track 6 is positioned at the top of rig 100, is used for carrying orifice to be drilled, track 6 to include fluctuating orbit 61, and fluctuating orbit 61 is set on lead 7, and is positioned at the surface of the cutter 3 of rig 100；Actuator is positioned in frame, for driving fluctuating orbit 61 and clamping device to be synchronized with the movement to the direction near rig 100.
In above-described embodiment, rig 100 is fixed in frame, and it is positioned at the lower section of track 6, in boring procedure, when orifice to be drilled is transported to device for pre-positioning, this orifice to be drilled is clamped location by device for pre-positioning, make this orifice to be drilled be positioned in the middle of track and wait that an orifice to be drilled completes boring, after a upper orifice to be drilled completes boring, when this orifice to be drilled is transported to the fluctuating orbit 61 above rig, this orifice to be drilled of gripping means grips, after this orifice to be drilled is clamped, actuator drives fluctuating orbit 61 to move (to 100 times pressures of rig) to the direction near rig 100 along lead 7 together with clamping device, realize the boring of this orifice to be drilled.Boring procedure for wheel hub, before the centre bore of wheel hub is not drilled through, drilling cuttings directly falls down, wheel hub upper surface will not be accumulated in, cutting fluid is also poured off directly down, and wheel hub is the conveying that faces up, and front (does not generally process) discord track 6 and contacts, wheel hub front is avoided to be damaged, it is to avoid the drawback that the drilling cuttings caused of holing from top to bottom flies to spill.
Specifically, in prior art, the main still a dead lift of aluminium alloy wheel hub pre-drilling center hole uses the boring of semi-automatic drilling machine, cutting fluid can be taken out of lathe after being drilled centre bore and be spread across ground, cause ground wet and slippery, workman's Long contact time is stained with the hub cast of cutting fluid, not only wet and slippery, and cutting fluid can spatter clothes with water, needing threading rubber gloves, canvas and rain boots, especially when winter, trick all feels cold especially.Therefore, the application adopts track 6 carry, gripping means grips wheel hub driven fluctuating orbit 61 and clamping device to synchronize to move downward by actuator, hole, it is achieved that through type automatization holes, and this through type automatic drilling device of turning 200 changes cutter 3 convenience.
Preferably, as shown in Figure 7, clamping device is the L-shaped jig arm 5 being arranged on fluctuating orbit 61 both sides, each L-shaped jig arm 5 has two pinch wheels 51, in the process of clamping wheel hub, the L-shaped jig arm 5 of both sides has synchronicity, in four pinch wheels 51 clamping wheel hubs while both sides, it is determined that the center of wheel hub.
Preferably, actuator is the cylinder or the hydraulic cylinder that are arranged on frame top.
Frame is provided with multiple lead 7, lead upper end is provided with top board 80, clamping device is arranged on top board 80 side, top board 80 is connected with fluctuating orbit 61 by multiple joint pins 70, and the conveyor surface of top board 80 and fluctuating orbit 61 be arranged in parallel, after gripping means grips wheel hub, actuator drives top board 80, clamping device and fluctuating orbit 61 to move downward along lead 7.
In sum, the cutter chuck that the embodiment of the present invention provides, when main shaft 2 turns to predeterminated position, rolling element 112 is compressed between eccentric segmental arc 121 and the outside wall surface of handle of a knife 31 so that chuck 12 and cutter 3 are interlocked, it is achieved the clamping to cutter 3；When main shaft 2 stops operating, collet body 11 stops operating, cutter 3 and chuck 12 are rotated further under effect of inertia, making rolling element 112 no longer extrude handle of a knife 31, cutter 3 and rolling element 112 are separated, now, only need to directly extract cutter 3 to place into required cutter 3 and can complete the replacing to cutter 3, save the time changing cutter 3, decrease and stop the time that line delays work, reduce the cost allowance stopping line.
In describing the invention, unless otherwise clearly defined and limited, term " multiple " refers to two or more；Unless otherwise prescribed or illustrate, term " connections ", " fix " etc. all should be interpreted broadly, for instance, " connections " can be fix connection, it is also possible to be removably connect, or connect integratedly, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary.For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in the present invention as the case may be.
In the description of this specification, it will be appreciated that, term " on ", D score, "front", "rear", the orientation of the instruction such as "left", "right" or position relationship be based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or hint indication device or unit must have specific direction, with specific azimuth configuration and operation, it is thus impossible to be interpreted as limitation of the present invention.
In the description of this specification, specific features, structure, material or feature that the description of term " embodiment ", " some embodiments ", " specific embodiment " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment or the example of the present invention.In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (10)
1. a cutter chuck, it is characterised in that including:
Collet body, fixes with main shaft and is connected and the handle of a knife of cutter is located in described collet body, the sidewall of described collet body offers through hole, is provided with the rolling element coordinated with described through hole in described through hole；With
Chuck, is set on described collet body, and can rotate relative to described collet body；
Wherein, the internal face of described chuck includes the eccentric segmental arc corresponding with described through hole, rotation direction along described main shaft, distance between described eccentric segmental arc and the outside wall surface of described handle of a knife is gradually reduced, and the ultimate range between described eccentric segmental arc and the outside wall surface of described handle of a knife is more than the diameter of described rolling element, minimum range between described eccentric segmental arc and the outside wall surface of described handle of a knife is less than or equal to the diameter of described rolling element, so that when described main shaft drives described collet body to turn to predeterminated position, described rolling element is compressed between described eccentric segmental arc and the outside wall surface of described handle of a knife, described main shaft drives described chuck and described cutter to rotate.
2. cutter chuck according to claim 1, it is characterised in that
The internal face of described chuck includes the described eccentric segmental arc that multiple circumference is uniform, described collet body offers multiple respectively with multiple described eccentric segmental arc described through holes one to one；And/or, the outside wall surface of described chuck offers chuck hole.
3. cutter chuck according to claim 1, it is characterised in that
Offering the annular spacing groove matched with described rolling element in the outside wall surface of described handle of a knife, when described main shaft drives described collet body to turn to described predeterminated position, described rolling element is compressed between described annular spacing groove and described eccentric segmental arc.
4. cutter chuck according to any one of claim 1 to 3, it is characterised in that
Described collet body includes the path section and the big footpath section that are connected, wherein, described through hole is opened in described path section, offering the limited impression of circumference in the both ends of the surface that described big footpath section is relative with described chuck one, what another was provided with slip coordinates the locating part in described limited impression.
5. cutter chuck according to claim 4, it is characterised in that
Described chuck offers multiple equally distributed described limited impression, described big footpath section be provided with multiple respectively with multiple described limited impressions described locating part one to one.
6. cutter chuck according to claim 4, it is characterised in that
Described locating part is caging bolt, has gap between bolt head and the groove bottom wall of described limited impression of described caging bolt.
7. cutter chuck according to claim 4, it is characterised in that also include:
Jump ring, is set in described path section, and on the end face that to be positioned on described chuck opposing with described big footpath section.
8. cutter chuck according to any one of claim 1 to 3, it is characterised in that also include:
Connector, between described main shaft and described collet body, the two ends of described connector are fixing with described main shaft and described collet body respectively to be connected.
9. a rig, it is characterised in that including:
Main shaft base plate, described main shaft base plate is provided with the chip-removal hole of multiple through described main shaft base plate；
Spindle drum, the bottom of described spindle drum is fixed on described main shaft base plate, and described spindle drum offers installing hole；
Main shaft, it is arranged in described installing hole, and the bottom of described main shaft is through described main shaft base plate, the described bottom of described main shaft is provided with spindle pulley, described spindle pulley lower center is provided with swivel joint, described swivel joint is fixed on described main shaft base plate by connection supports frame, and the center of described main shaft and described swivel joint offers coolant and adds hand-hole；
Electric baseboard, is fixed on described main shaft base plate；
Motor, is arranged on described electric baseboard, and described motor is rotated by spindle pulley described in motor pulley and belt drives；
Cutter chuck as according to any one of claim 1 to 8；With
Cutter, the handle of a knife of described cutter is interspersed in described cutter chuck, and the connection can dismantled with described cutter chuck, the collet body of described cutter chuck drives described cutter to rotate together after rolling and compress, along eccentric segmental arc, the outside wall surface being engaged in described handle of a knife by the centrifugal force pulls rolling element that the rotation of described main shaft produces.
10. a drilling equipment, it is characterised in that including:
Frame, described frame is provided with lead；
Rig as claimed in claim 9, is fixed in described frame；
Device for pre-positioning, is positioned at the arrival end of described frame, for orifice pre-determined bit to be drilled；
Clamping device, is positioned in described frame, is used for clamping described orifice to be drilled；
Track, is positioned at the top of described rig, is used for carrying described orifice to be drilled, and described track includes fluctuating orbit, and described fluctuating orbit is set on described lead and is positioned at the surface of cutter of described rig；With
Actuator, is positioned in described frame, for driving described fluctuating orbit and described clamping device to be synchronized with the movement to the direction near described rig.
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| CN201610339228.2A CN105798361B (en) | 2016-05-20 | 2016-05-20 | Cutter chuck, rig and drilling equipment |
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| CN201610339228.2A CN105798361B (en) | 2016-05-20 | 2016-05-20 | Cutter chuck, rig and drilling equipment |
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| CN105798361B CN105798361B (en) | 2018-03-06 |
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| CN113369948A (en) * | 2021-08-04 | 2021-09-10 | 深圳市浩创盛科技有限公司 | Drilling machine for positioning scanning mirror |
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| CN105798361B (en) | 2018-03-06 |
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