CN104525988A - Forced-feed safety protection device - Google Patents

Forced-feed safety protection device Download PDF

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Publication number
CN104525988A
CN104525988A CN201410771883.6A CN201410771883A CN104525988A CN 104525988 A CN104525988 A CN 104525988A CN 201410771883 A CN201410771883 A CN 201410771883A CN 104525988 A CN104525988 A CN 104525988A
Authority
CN
China
Prior art keywords
travelling gear
transmission
flat key
motor
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201410771883.6A
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Chinese (zh)
Other versions
CN104525988B (en
Inventor
李秉雄
李维谦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gansu Xinghuo Intelligent Cnc Machine Tool Co ltd
Original Assignee
Tianshui Xinghuo Machine Tool Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianshui Xinghuo Machine Tool Co Ltd filed Critical Tianshui Xinghuo Machine Tool Co Ltd
Priority to CN201410771883.6A priority Critical patent/CN104525988B/en
Publication of CN104525988A publication Critical patent/CN104525988A/en
Application granted granted Critical
Publication of CN104525988B publication Critical patent/CN104525988B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B25/00Accessories or auxiliary equipment for turning-machines
    • B23B25/04Safety guards specially designed for turning machines

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Gear Transmission (AREA)

Abstract

The invention relates to the technical field of the safety protection mechanism suitable for various small, large and heavy lathe movement feed mechanisms, specifically to a forced-feed safety protection device. The forced-feed safety protection device comprises a motor; a power output shaft of the motor is connected with a first transmission gear by a first transmission flat key; the first transmission gear is meshed with a second transmission gear installed on a first transmission shaft; the second transmission gear is meshed with a third transmission gear installed on a second transmission shaft; the third transmission gear is connected with a indexing positioning plate by a second transmission flat key; the indexing positioning plate is fixedly connected with a copper sleeve by a fixing bolt; the copper sleeve is installed on a positioning sleeve through the interference fit; the positioning sleeve is connected with the second transmission shaft by a third transmission flat key; and the indexing positioning plate is provided with an adjusting device. The forced-feed safety protection device has the characters of simple structure, convenient adjustment, high reliability, good stability and the like, and is capable of effectively improving the reliability of the lathe.

Description

Press injecting type safety guard
Technical field:
The present invention relates to and be applicable to all kinds of small-sized, large-scale, safety protection mechanism technical field that heavy machine tool moves feed mechanism, especially relate to a kind of press injecting type safety guard.
Background technology:
At present along with the develop rapidly of the industries such as domestic and international petroleum equipment, marine drilling, nuclear power, wind-powered electricity generation, high ferro, relevant industries to various large, to reset requirement that is standby and special process equipment increasing, require more and more higher to Machinery Tool Automation controlling extent, and require that lathe can fast reserve top tight workpiece, realize NC postprocessing and automatically controlled workpiece and be installed.
When realizing Automated condtrol, our heavy horizontal lathes tailstock design concept traditionally cannot meet and to hold out against workpiece motor-driven and the control of security.Traditional heavy horizontal-type tailstock tool design concept is that tailstock lower body adopts power feed, and the movement of barrel of tail stock also adopts power feed.The size of the motor-driven top tight workpiece pressure of tailstock depends on that the size of tailstock upper body electronics or hydrostatic sensor setting value, the locking between tailstock lower body and lathe bed then utilize the self-locking of Worm Wheel System pair mobile in disc spring clamping cylinder and tailstock lower body to realize.In this cover drive mechanism, Worm Wheel System pair also plays safety guard; when top tight workpiece; when the setting value of electronics or hydrostatic sensor exceedes setting or lost efficacy; owing to guaranteeing safe and reliable card engaging workpiece during design; the pressure of barrel of tail stock is greater than 1/2 of workpiece gross weight, but realization use in we seldom use 90 ° top come work.We in actual use usually large-scale, heavy horizontal-type lathe adopt 60 ° or 75 ° of item points, this is far longer than power required for actual top tight workpiece with regard to causing the pressure of barrel of tail stock, gently then worm and gear is damaged when occurring that this situation holds out against card engaging workpiece, heavy then cause that workpiece center hole grinds wound, workpiece deformation, lathe point of attachment damage, direct economic loss and threaten life safety can be caused.
Summary of the invention:
The object of the invention is to avoid existing technological deficiency, a kind of press injecting type safety guard used on large-scale, heavy horizontal lathe.Thus efficiently solve prior art Problems existing.
Object of the present invention can by realizing by the following technical solutions: described press injecting type safety guard, be characterized in comprising motor, the power output shaft of motor is connected with the first travelling gear by the first transmission flat key, first travelling gear is meshed with the second travelling gear be arranged on the first power transmission shaft, second travelling gear is meshed with the 3rd travelling gear be arranged on second driving shaft, the 3rd described travelling gear is connected with calibration positioning disk by the second transmission flat key, calibration positioning disk is connected by holding screw and copper sheathing are fastening, copper sheathing is arranged on positioning sleeve by interference fit, positioning sleeve is connected with second driving shaft by the 3rd transmission flat key, described calibration positioning disk is provided with the adjusting device that four covers are used for adjusting transmitting torque size.
Described adjusting device comprises and is arranged on lock-screw on calibration positioning disk and locking nut, lock-screw front end correspondence is provided with spring and copper ball, steel ball contacts with positioning sleeve and is connected, according to the peak torque that motor exports, adjustment lock-screw, realize the adjustment to transmitting torque, when guaranteeing that motor maximum effect uses, do not damage other mechanical transmission component.
Described second driving shaft end is provided with shaft end ring by attachment bolt.
The second described travelling gear is supported by two cover deep groove ball bearings and is arranged on the first power transmission shaft.
The invention has the beneficial effects as follows: described press injecting type safety guard; which overcome the tool driving parts because operate miss and safety guard lost efficacy and caused and motor damage; this mechanism has that structure is simple, easy to adjust, reliability is high; the features such as stationarity is good; thus effectively improve the reliability of lathe; alleviate the maintenance intensity of workman, reduce cost of use and the maintenance cost of lathe.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention.
Shown in figure: 1. motor, 1-1. power output shaft, 2. the first transmission flat key, 3. the first travelling gear, 4. the second travelling gear, 5. deep groove ball bearing, 6. lock-screw, 7. locking nut, 8. spring, 9. copper ball, 10. positioning sleeve, 11. shaft end rings, 12. attachment bolts, 13. copper sheathings, 14. holding screws, 15. calibration positioning disks, 16. the 3rd travelling gears, 17. first power transmission shafts, 18. second driving shafts, 19. second transmission flat keys, 20. the 3rd transmission flat keys.
Detailed description of the invention:
Below in conjunction with accompanying drawing shownschematically most preferred embodiment be described in further detail:
As shown in Figure 1, described press injecting type safety guard, be characterized in comprising motor 1, the power output shaft 1-1 of motor 1 is connected with the first travelling gear 3 by the first transmission flat key 2, first travelling gear 3 is meshed with the second travelling gear 4 be arranged on the first power transmission shaft 17, second travelling gear 4 is meshed with the 3rd travelling gear 16 be arranged on second driving shaft 18, the 3rd described travelling gear 16 is connected with calibration positioning disk 15 by the second transmission flat key 19, calibration positioning disk 15 is connected with copper sheathing 13 is fastening by holding screw 14, copper sheathing 13 is arranged on positioning sleeve 10 by interference fit, positioning sleeve 10 is connected with second driving shaft 18 by the 3rd transmission flat key 20, described calibration positioning disk 15 is provided with the adjusting device that four covers are used for adjusting transmitting torque size.
Further, described adjusting device comprises and is arranged on lock-screw 6 on calibration positioning disk 15 and locking nut 7, lock-screw 6 front end correspondence is provided with spring 8 and copper ball 9, steel ball 9 contacts with positioning sleeve 10 and is connected, according to the peak torque that motor exports, adjustment lock-screw 6, realizes the adjustment to transmitting torque, does not damage other mechanical transmission component when guaranteeing that motor maximum effect uses.
Further, described second driving shaft 18 end is provided with shaft end ring 11 by attachment bolt 12.
Further, the second described travelling gear 4 is supported by two cover deep groove ball bearings 5 and is arranged on the first power transmission shaft 17.
Described press injecting type safety guard, when top tight workpiece, first starter motor 1, travelling gear 3 is connected with the output motor axle of motor 1 by transmission flat key 2, thus power first travelling gear 3, second travelling gear 4, 3rd travelling gear 16 is delivered to second driving shaft 18, when specifically using, first four locking nuts 7 are unclamped, then torque wrench is utilized to make it reach theoretical value according to design theory value adjustment lock-screw 6, when adjusting lock-screw 6, because lock-screw 6 extruding forces spring 8 to compress, cause the pressure increase on steel ball 9, thus the output torque of second driving shaft 18 is increased.When top tight workpiece; directly work is held out against fast with tailstock lower body because maloperation causes; at this moment the driving force that second driving shaft 18 bears increases gradually; when driving force is greater than the pressure that spring 8 produces; steel ball 9 will eject from four of a calibration positioning disk 15 decile groove; force between calibration positioning disk 15 and copper sheathing 13 and form rotation of sliding; that can cause copper sheathing 13 when producing this situation grinds wound; copper sheathing 13 serves safeguard protection effect; thus ensure that the damage of the mechanical part such as gear, motor, serve safeguard protection effect.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (4)

1. a press injecting type safety guard, it is characterized in that comprising motor, the power output shaft of motor is connected with the first travelling gear by the first transmission flat key, first travelling gear is meshed with the second travelling gear be arranged on the first power transmission shaft, second travelling gear is meshed with the 3rd travelling gear be arranged on second driving shaft, the 3rd described travelling gear is connected with calibration positioning disk by the second transmission flat key, calibration positioning disk is connected by holding screw and copper sheathing are fastening, copper sheathing is arranged on positioning sleeve by interference fit, positioning sleeve is connected with second driving shaft by the 3rd transmission flat key, described calibration positioning disk is provided with the adjusting device that four covers are used for adjusting transmitting torque size.
2. press injecting type safety guard as claimed in claim 1; it is characterized in that: described adjusting device comprises and is arranged on lock-screw on calibration positioning disk and locking nut; lock-screw front end correspondence is provided with spring and copper ball; steel ball contacts with positioning sleeve and is connected; according to the peak torque that motor exports; adjustment lock-screw, realizes the adjustment to transmitting torque.
3. press injecting type safety guard as claimed in claim 1, is characterized in that: described second driving shaft end is provided with shaft end ring by attachment bolt.
4. press injecting type safety guard as claimed in claim 1, is characterized in that: the second described travelling gear is supported by two cover deep groove ball bearings and is arranged on the first power transmission shaft.
CN201410771883.6A 2014-12-13 2014-12-13 Press injecting type safety guard Active CN104525988B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410771883.6A CN104525988B (en) 2014-12-13 2014-12-13 Press injecting type safety guard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410771883.6A CN104525988B (en) 2014-12-13 2014-12-13 Press injecting type safety guard

Publications (2)

Publication Number Publication Date
CN104525988A true CN104525988A (en) 2015-04-22
CN104525988B CN104525988B (en) 2017-06-16

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Application Number Title Priority Date Filing Date
CN201410771883.6A Active CN104525988B (en) 2014-12-13 2014-12-13 Press injecting type safety guard

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CN (1) CN104525988B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000246504A (en) * 1999-02-24 2000-09-12 Honda Motor Co Ltd Tailstock for cylinder grinding machine
CN2638888Y (en) * 2003-07-02 2004-09-08 哈尔滨量具刃具厂 Tailstock live centre device
CN201008985Y (en) * 2007-03-09 2008-01-23 洛阳活顶尖机械有限公司 Heavy loading live center
CN203077093U (en) * 2013-01-23 2013-07-24 天水星火机床有限责任公司 Heavy type numerical-control roll grinder headstock main transmission system
CN203664707U (en) * 2013-12-27 2014-06-25 齐齐哈尔二机床(集团)有限责任公司 Intelligent measuring device of tailstock tightening force of heavy horizontal lathe
CN204396908U (en) * 2014-12-13 2015-06-17 天水星火机床有限责任公司 Press injecting type safety guard

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000246504A (en) * 1999-02-24 2000-09-12 Honda Motor Co Ltd Tailstock for cylinder grinding machine
CN2638888Y (en) * 2003-07-02 2004-09-08 哈尔滨量具刃具厂 Tailstock live centre device
CN201008985Y (en) * 2007-03-09 2008-01-23 洛阳活顶尖机械有限公司 Heavy loading live center
CN203077093U (en) * 2013-01-23 2013-07-24 天水星火机床有限责任公司 Heavy type numerical-control roll grinder headstock main transmission system
CN203664707U (en) * 2013-12-27 2014-06-25 齐齐哈尔二机床(集团)有限责任公司 Intelligent measuring device of tailstock tightening force of heavy horizontal lathe
CN204396908U (en) * 2014-12-13 2015-06-17 天水星火机床有限责任公司 Press injecting type safety guard

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Legal Events

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information

Inventor after: Yan Engang

Inventor after: Zhang Chao

Inventor before: Li Bingxiong

Inventor before: Li Weiqian

CB03 Change of inventor or designer information
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20240521

Address after: No. 41 East Road, Shetang Town, Maiji District, Tianshui City, Gansu Province, 741020

Patentee after: Gansu Xinghuo Intelligent CNC Machine Tool Co.,Ltd.

Country or region after: China

Address before: SHETANG road 741024 Gansu province Tianshui Maiji District No. 41

Patentee before: Tianshui Spark Machine Tool Co.,Ltd.

Country or region before: China