CN106001631B - A kind of numerically controlled lathe tailstock autocontrol method can control drilling depth and finishing bottom hole - Google Patents

A kind of numerically controlled lathe tailstock autocontrol method can control drilling depth and finishing bottom hole Download PDF

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Publication number
CN106001631B
CN106001631B CN201610603376.0A CN201610603376A CN106001631B CN 106001631 B CN106001631 B CN 106001631B CN 201610603376 A CN201610603376 A CN 201610603376A CN 106001631 B CN106001631 B CN 106001631B
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CN
China
Prior art keywords
numerically controlled
controlled lathe
tailstock
axis
drill bit
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Expired - Fee Related
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CN201610603376.0A
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Chinese (zh)
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CN106001631A (en
Inventor
张丽琴
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Huizhou Tianli and Feng Precision Hardware Co., Ltd.
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Huizhou Tianli And Feng Precision Hardware Co Ltd
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Priority to CN201610603376.0A priority Critical patent/CN106001631B/en
Publication of CN106001631A publication Critical patent/CN106001631A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B23/00Tailstocks; Centres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B43/00Boring or drilling devices able to be attached to a machine tool, whether or not replacing an operative portion of the machine tool
    • B23B43/02Boring or drilling devices able to be attached to a machine tool, whether or not replacing an operative portion of the machine tool to the tailstock of a lathe

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping On Spindles (AREA)

Abstract

The present invention provides a kind of numerically controlled lathe tailstock autocontrol methods that can control drilling depth and finishing bottom hole, a kind of its attachment device for using numerically controlled lathe saddle and tailstock to engage and disengage automatically, including centering component, rotate arm component, driving assembly and drill bit assembly, the drill bit assembly is mounted in numerically controlled lathe tailstock cylinder set, the centering component includes a pair of of axis and a centered cover with internal taper hole, the taper hole bottom of shaft end and centered cover to axis is provided with a sensor, the rotation arm component includes cursor, rotation axis, axle sleeve and two pieces limit briquetting, the driving component includes a pair of of V belt translation, one driving motor, reset switch and a controller, the controller is mounted in lathe power distribution cabinet, the reset switch is mounted on before numerically-controlled machine tool saddle, the driving motor and numerically controlled lathe Tailstock be fixedly connected, and with controller be electrically connected.

Description

A kind of numerically controlled lathe tailstock automatic control can control drilling depth and finishing bottom hole Method
Technical field
This application involves numerically controlled lathe control technology field, specially a kind of drilling depth and finishing bottom hole of can control Numerically controlled lathe tailstock autocontrol method.
Background technique
Numerically controlled lathe is one of most common automatic processing device in machine cut processing, but the tail of general numerically-controlled machine tool Seat is unable to auto-feed, thus when carrying out drilling processing operation on numerically controlled lathe, the operation that can be manually rotated tailstock can only be carried out Handle, time-consuming and laborious, drilling depth size is difficult to ensure, and processing efficiency is lower.
Summary of the invention
Present invention defect in view of the prior art, and provide a kind of numerical control that can control drilling depth and finishing bottom hole Tail stock autocontrol method uses the attachment device of a kind of numerically controlled lathe saddle and tailstock engagement and disengagement, Structure is simple, and control is easy, and cost is relatively low, extends the function of numerically controlled lathe, is conducive to improve depth side when drilling processing To dimensional accuracy.
The scheme that the present invention uses are as follows: a kind of to can control drilling depth and the numerically controlled lathe tailstock of finishing bottom hole is controlled automatically Method processed uses the attachment device of a kind of numerically controlled lathe saddle and tailstock engagement and disengagement, including centering component, rotation Arm component, driving assembly and drill bit assembly, the centering component includes a pair of of axis and a centered cover with internal taper hole, to axis Middle part be provided with an annular groove, axis is fixedly connected with numerically controlled lathe saddle, centered cover is fixedly connected with numerically controlled lathe tailstock, The internal taper hole of front end and centered cover to axis forms cone match, and the taper hole bottom of shaft end and centered cover to axis is provided with One sensor, the sensor can be magnetic effect sensor or hall effect sensor, be also possible to photoelectric sensor;
The rotation arm component includes that cursor, rotation axis, axle sleeve and two pieces limit briquetting, the axle sleeve are fixed on numerical control On the leading flank of tail stock, the rotation axis passes through axle sleeve, and rotation axis front end is fixedly connected with cursor, the other end and two pieces Limit briquetting is fixedly connected, and the front end of cursor is provided with a hook portion that can be caught in annular groove, and 1.5 are formed between hook portion and annular groove The gap of ~ 2mm, two pieces limit briquetting have been respectively arranged below one stroke switch, and the travel switch is to differentiate numerical control lathe The saddle and tailstock of bed are engagement state or disengaged condition;The travel switch can be optoelectronic switch or microswitch;
The driving component includes a pair of of V belt translation, a driving motor, reset switch and a controller, the control Device is mounted in lathe power distribution cabinet, and the reset switch is mounted on before numerically-controlled machine tool saddle, and is electrically connected with controller, The driving motor is fixedly connected with the tailstock of numerically controlled lathe, and is electrically connected with controller, and the V belt translation includes an active Belt wheel, a driven pulley and belt, driving pulley are mounted on the driving motor shaft end, and driven pulley is mounted in limit briquetting In the rotation axis of side, belt is looped around on driving pulley and driven pulley, and to realize that power transmits, the driving motor is stepping Motor;
The drill bit assembly includes that drill bit and the fixture for clamping drill bit, the fixture can be mohs bush, can also To be the special fixture with Mo Shi taper shank, fixture is mounted in numerically controlled lathe barrel of tail stock;
When drilling, numerically controlled lathe saddle shifts to tailstock along Z-direction, described to protrude into the taper hole of centered cover to axis, makes institute Sensor connection is stated, in numerical controlled lathe Z to while mobile stopping, the driving motor starts to rotate forward, and driving pulley turns therewith It is dynamic, and driven pulley is driven to rotate, so that the rotation axis and limit briquetting rotation, the cursor be driven to be caught in axis In annular groove, when the travel switch in the limit briquetting pressure outside in outside, driving motor, which rotates forward, to be stopped, and saddle and tailstock connect at this time It is connected into one, numerically controlled lathe carries out drilling processing by program, at this time the right side face contact on cursor front end hook portion right side and annular groove, The tailstock for being equipped with drill bit assembly is moved along the negative direction of lathe Z axis, and realizes that drilling is deep using the planker of numerically controlled lathe is mobile The control of degree, when drill bit is drilled into required depth, lathe saddle reverse movement, due to there is the presence in gap, drill bit exists at this time It is in situ motionless, realize the skin processing of bottom hole, then, when gap is zero, drill bit is just with the movement of planker and gradually from hole In exit;
It is exited completely to drill bit, and after tailstock is moved to appropriate location, controller issues instruction, keeps driving motor anti- Turn, driving pulley drives driven pulley and limit briquetting reversion at this time, so that cursor be made to leave the annular groove to axis, works as inside Limit briquetting when depressing its corresponding travel switch, driving motor reversion stops, and so far, saddle is realized with tailstock and separated; When an unexpected situation occurs, the reset switch is pressed, controller resets.
The present invention is that pair of saddle and tailstock is realized to axis and centered cover by using the technical effect of above scheme In, it can be determined that whether the front-rear position of tailstock is correct, and centering is not allowed and leads to broken drill when preventing drilling;Cursor Front end hook portion realizes the synchronizing moving of saddle and tailstock, makes tailstock kinematic accuracy and number with to the mutual clamping of the annular groove of axis The Z-direction kinematic accuracy for controlling lathe is consistent, to realize drilling processing and can accurately control drilling depth;Before cursor Gap between end hook portion and annular groove is, it can be achieved that bottom hole skin processing when drilling;Saddle and tailstock are realized using driving motor Engagement disengages, and further improves the degree of automation of numerically controlled lathe.
Detailed description of the invention
Fig. 1 is the attachment device main view of numerically controlled lathe saddle and tailstock engagement and disengagement of the invention;
Schematic diagram when Fig. 2 is engagement of the invention;
Schematic diagram when Fig. 3 is disengagement of the invention;
Fig. 4 is the side view of pulley assembly of the invention;
Fig. 5 is centering component structure diagram of the invention;
Fig. 6 is implementation exemplary diagram of the invention.
Specific embodiment
A kind of numerically controlled lathe tailstock autocontrol method can control drilling depth and finishing bottom hole, uses one The attachment device of kind numerically controlled lathe saddle and tailstock engagement and disengagement, including centering component, rotation arm component, driving assembly and brill Head assembly, the centering component include a pair of of axis 1 and a centered cover 2 with internal taper hole, and the middle part of axis 1 is provided with a ring Slot 3 is fixedly connected with axis 1 with numerically controlled lathe saddle, and centered cover 2 is fixedly connected with numerically controlled lathe tailstock, to the front end of axis 1 Cone match is formed with the internal taper hole of centered cover 2, the taper hole bottom of shaft end and centered cover 2 to axis 1 is provided with a sensor 13, the sensor can be magnetic effect sensor or hall effect sensor, be also possible to photoelectric sensor.
The rotation arm component includes that cursor 4, rotation axis 5, axle sleeve 6 and two pieces limit briquetting 7, the axle sleeve 6 are fixed On the leading flank of numerically controlled lathe tailstock, the rotation axis 5 passes through axle sleeve 6, and 5 front end of rotation axis is fixedly connected with cursor 4, separately One end is fixedly connected with two pieces limit briquetting 7, and the front end of cursor 4 is provided with a hook portion that can be caught in annular groove 3, hook portion and ring The gap 18 of 1.5 ~ 2mm is formed between slot 3, two pieces limit briquetting 7 has been respectively arranged below one stroke switch 8, the stroke The saddle and tailstock switched to differentiate numerically controlled lathe is engagement state or disengaged condition;The travel switch can be photoelectricity Switch or microswitch.
The driving component includes a pair of of V belt translation, a driving motor 9, reset switch 14 and a controller 15, institute Controller 15 is stated to be mounted in lathe power distribution cabinet, the reset switch 14 is mounted on before numerically-controlled machine tool saddle, and with control Device is electrically connected, and the driving motor 9 is fixedly connected with the tailstock of numerically controlled lathe, and is electrically connected with controller 15, the band Transmission includes a driving pulley 10, a driven pulley 11 and belt 12, and driving pulley 10 is mounted on 9 shaft end of driving motor, Driven pulley 11 is mounted in the rotation axis 5 of 7 inside of limit briquetting, and belt 12 is looped around driving pulley 10 and driven pulley 11 On, to realize that power transmits, the driving motor 9 is stepper motor.
The drill bit assembly includes drill bit 16 and the fixture 17 for clamping drill bit, and the fixture 17 can be Mohs cone Set, is also possible to the special fixture with Mo Shi taper shank, fixture 17 is mounted in numerically controlled lathe barrel of tail stock.
When drilling, numerically controlled lathe saddle shifts to tailstock along Z-direction, in the taper hole that centered cover 2 is protruded into axis 1, makes The sensor 13 is connected, and in numerical controlled lathe Z to while mobile stopping, the driving motor 9 starts to rotate forward, driving pulley 10 It rotates with it, and driven pulley 11 is driven to rotate, so that the rotation axis 5 and limit briquetting 7 is driven to rotate, the cursor 4 It is caught in the annular groove to axis 1, when the travel switch in the limit briquetting pressure outside in outside, driving motor 9, which rotates forward, to be stopped, this When saddle link into an integrated entity with tailstock, numerically controlled lathe carries out drilling processing by program, at this time on the right side of the hook portion of cursor front end and ring The right side face contact of slot 3, the tailstock for being equipped with drill bit assembly is moved along the negative direction of lathe Z axis, and dragging using numerically controlled lathe The mobile control for realizing drilling depth of plate, when drill bit is drilled into required depth, lathe saddle reverse movement, due to there is gap 18 Presence, drill bit is motionless in situ at this time, realize the skin processing of bottom hole, then, when gap is zero, drill bit just with planker Movement and gradually exited from hole.
It is exited completely to drill bit, and after tailstock is moved to appropriate location, controller 15 issues instruction, makes driving motor 9 Reversion, driving pulley 10 drives driven pulley 11 and limit briquetting 7 to invert at this time, so that cursor 4 be made to leave the ring to axis 1 Slot, when the limit briquetting 7 of inside depresses its corresponding travel switch, the reversion of driving motor 9 stops, so far, saddle and tailstock Realize separation;When an unexpected situation occurs, the reset switch 14 is pressed, controller 15 resets.

Claims (1)

1. a kind of numerically controlled lathe tailstock autocontrol method that can control drilling depth and finishing bottom hole, uses one kind The attachment device of numerically controlled lathe saddle and tailstock engagement and disengagement, it is characterised in that: including centering component, rotation arm component, drive Dynamic component and drill bit assembly, the centering component includes a pair of of axis (1) and a centered cover (2) with internal taper hole, to axis (1) Middle part be provided with an annular groove (3), axis (1) is fixedly connected with numerically controlled lathe saddle, centered cover (2) and numerically controlled lathe tailstock It is fixedly connected, the internal taper hole of front end and centered cover (2) to axis (1) forms cone match, shaft end and centering to axis (1) The taper hole bottom of set (2) is provided with a sensor (13), and the sensor is magnetic effect sensor or photoelectric sensor;
The rotation arm component includes cursor (4), rotation axis (5), axle sleeve (6) and two pieces limit briquetting (7), the axle sleeve (6) it is fixed on the leading flank of numerically controlled lathe tailstock, the rotation axis (5) passes through axle sleeve (6), rotation axis (5) front end and rotation Arm (4) is fixedly connected, and the other end is fixedly connected with two pieces limit briquetting (7), and the front end of cursor (4) is provided with one and can be caught in The hook portion of annular groove (3), forms the gap (18) of 1.5~2mm between hook portion and annular groove (3), two pieces limits the lower section point of briquetting (7) Be not provided with one stroke switch (8), the travel switch to differentiate numerically controlled lathe saddle and tailstock be engagement state or Disengaged condition;The travel switch is optoelectronic switch or microswitch;
The driving component includes a pair of of V belt translation, a driving motor (9), reset switch (14) and a controller (15), The controller (15) is mounted in lathe power distribution cabinet, and the reset switch (14) is mounted on before numerically-controlled machine tool saddle, and It is electrically connected with controller, the driving motor (9) is fixedly connected with the tailstock of numerically controlled lathe, and electrically connects with controller (15) It connects, the V belt translation includes that a driving pulley (10), a driven pulley (11) and belt (12), driving pulley (10) are mounted on institute Driving motor (9) shaft end is stated, driven pulley (11) is mounted in the rotation axis (5) on the inside of limit briquetting (7), and belt (12) is surround On driving pulley (10) and driven pulley (11), to realize that power transmits, the driving motor (9) is stepper motor;
The drill bit assembly is mounted in barrel of tail stock, including drill bit (16) and for the fixture (17) of clamping drill bit, the folder Having (17) is mohs bush or the special fixture with Mo Shi taper shank, and fixture (17) is mounted in numerically controlled lathe barrel of tail stock;
When drilling, numerically controlled lathe saddle shifts to tailstock along Z-direction, described to protrude into the taper hole of centered cover (2) to axis (1), makes The sensor (13) is connected, and in numerical controlled lathe Z to while mobile stopping, the driving motor (9) starts to rotate forward, main belt Wheel (10) rotates with it, and driven pulley (11) is driven to rotate, so that the rotation axis (5) and limit briquetting (7) rotation are driven, The cursor (4) is caught in the annular groove to axis (1), when the travel switch in the limit briquetting pressure outside in outside, driving Motor (9), which rotates forward, to be stopped, and saddle links into an integrated entity with tailstock at this time, and numerically controlled lathe carries out drilling processing by program, is rotated at this time With the right side face contact of annular groove (3) on the right side of the hook portion of arm front end, the tailstock for being equipped with drill bit assembly is moved along the negative direction of lathe Z axis It is dynamic, and utilize the mobile control for realizing drilling depth of the planker of numerically controlled lathe, when drill bit is drilled into required depth, lathe saddle Reverse movement, due to there is the presence of gap (18), drill bit is motionless in situ at this time, realize the skin processing of bottom hole, then, when When gap is zero, drill bit is just gradually exited from hole with the movement of planker;
It is exited completely to drill bit, and after tailstock is moved to appropriate location, controller (15) issues instruction, makes driving motor (9) Reversion, driving pulley (10) drives driven pulley (11) and limit briquetting (7) reversion at this time, so that cursor (4) be made to leave pair The annular groove of axis (1), when the limit briquetting (7) when inside depresses its corresponding travel switch, driving motor (9) reversion stops, So far, saddle is realized with tailstock and is separated;When an unexpected situation occurs, it presses the reset switch (14), controller (15) is multiple Position.
CN201610603376.0A 2016-07-28 2016-07-28 A kind of numerically controlled lathe tailstock autocontrol method can control drilling depth and finishing bottom hole Expired - Fee Related CN106001631B (en)

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* Cited by examiner, † Cited by third party
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CN107900409B (en) * 2017-12-27 2023-06-20 际华三五零二职业装有限公司 Single-bit gas-electricity integrated drilling device
JP7262311B2 (en) * 2019-06-04 2023-04-21 Juki株式会社 sewing system
CN110303549B (en) * 2019-06-27 2021-03-09 亚普汽车部件股份有限公司 Hollow body end clamp, punching device and punching method

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CN2233801Y (en) * 1995-12-28 1996-08-28 袁名伟 Quick changing device for lathe tailstock
CN2374294Y (en) * 1998-11-22 2000-04-19 孙生强 Lathe tailstock
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CN101020249A (en) * 2007-03-16 2007-08-22 盛焕君 Pneumatic tailstock of numerically controlled lathe
CN201076926Y (en) * 2007-09-14 2008-06-25 中冶京唐建设有限公司 Pipe chamfering auxiliary centering fixture for turning mill
JP2014213444A (en) * 2013-04-30 2014-11-17 中村留精密工業株式会社 Automated tailstock of lathe

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Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2190529Y (en) * 1994-01-27 1995-03-01 沈文章 Improved automatic lathe tail shaft table device
CN2233801Y (en) * 1995-12-28 1996-08-28 袁名伟 Quick changing device for lathe tailstock
CN2374294Y (en) * 1998-11-22 2000-04-19 孙生强 Lathe tailstock
JP2006315141A (en) * 2005-05-13 2006-11-24 Okuma Corp Tailstock controller and control method for center support operation
CN2845975Y (en) * 2005-12-23 2006-12-13 河北理工大学 Power saving type lathe tail seat
CN101020249A (en) * 2007-03-16 2007-08-22 盛焕君 Pneumatic tailstock of numerically controlled lathe
CN201076926Y (en) * 2007-09-14 2008-06-25 中冶京唐建设有限公司 Pipe chamfering auxiliary centering fixture for turning mill
JP2014213444A (en) * 2013-04-30 2014-11-17 中村留精密工業株式会社 Automated tailstock of lathe

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Address after: 516000 No. 2 Qingtang Street, Xiaojinkou Town, Huizhou City, Guangdong Province

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