CN204036166U - A kind of numerical control screw-tap threaded grinding machine - Google Patents

A kind of numerical control screw-tap threaded grinding machine Download PDF

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Publication number
CN204036166U
CN204036166U CN201420486011.0U CN201420486011U CN204036166U CN 204036166 U CN204036166 U CN 204036166U CN 201420486011 U CN201420486011 U CN 201420486011U CN 204036166 U CN204036166 U CN 204036166U
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CN
China
Prior art keywords
workpiece
emery wheel
grinding
line slideway
bistrique
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Expired - Fee Related
Application number
CN201420486011.0U
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Chinese (zh)
Inventor
金福利
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Tianjin Lun Daxinsheng Machinery Co Ltd
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Tianjin Lun Daxinsheng Machinery Co Ltd
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Priority to CN201420486011.0U priority Critical patent/CN204036166U/en
Application granted granted Critical
Publication of CN204036166U publication Critical patent/CN204036166U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of numerical control screw-tap threaded grinding machine, comprise lathe bed, feed section, workpiece portion, bistrique part and trim part.This grinding machine adopts the screw tap mode of production that emery wheel moves pitch, workpiece completes the motion of high speed relief grinding; In workpiece portion workpiece relief grinding driven by motor workpiece slide unit linearly guide rail one do the motion of high speed relief grinding, line slideway one installation direction is that workpiece is radial; In bistrique part grinding wheel feed driven by motor bistrique slide unit linearly guide rail two do the feed motion of mobile pitch, line slideway two installation direction be grinding wheel spindle to; The emery wheel line slideway three vertically of burring machine completes to be repaired the location of emery wheel.This numerical control screw-tap threaded grinding machine, numerical control regulates, convenient for production, fully-automatic production; And emery wheel moves pitch, the mode of production of workpiece relief grinding motion increases substantially production efficiency, reduces machine vibration, improves workpiece accuracy; Structure of the linear motion actuator improves equipment life in addition.

Description

A kind of numerical control screw-tap threaded grinding machine
Technical field
The utility model relates to a kind of screw-tap threaded grinding machine, particularly a kind of numerical control screw-tap threaded grinding machine, mainly a kind of numerical control screw thread grinding machine for improving screw-tap threaded production efficiency and quality, the production procedure of improvement tradition screw-tap threaded.
Background technology
Helicitic texture be in recent years since one of the most frequently used engineering structure, most widely used in screw thread is exactly regular screw threads, and by external screw thread with internal thread is supporting forms, and namely the most frequently used processing mode of internal thread adopts machine tap to process.
The screw-tap threaded grinding machine of tool industry is all generally workpiece movable pitch both at home and abroad at present, realizes relief grinding motion by the radial high speed back and forth movement of emery wheel.The relief grinding motion of screw-tap threaded grinding machine is the key point affecting the precision of this lathe, efficiency, stationarity and process screw-tap threaded surface quality, back and forth movement due to high frequency time makes lathe produce vibration, the workpiece quality of grinding is caused to decline, work piece thread relief angle value is unstable, cannot meet standard-required.
Utility model content
For solving the problem, the utility model provides a kind of numerical control screw-tap threaded grinding machine, for the production of M3-M16 machine tap.This grinding machine can reduce machine vibration in process of production, improves grinding work piece quality, improves workpiece thread relief angle value precision; And grinding machine relief grinding frequency can be improved, thus enhance productivity, cost-saving.
For achieving the above object, the technical solution of the utility model is as follows.
A kind of numerical control screw-tap threaded grinding machine, comprises lathe bed, feed section, workpiece portion, bistrique part and trim part.
Described feed section comprises cylinder, by the cylinder piston rod of described cylinder action and the guide pillar that driven by described cylinder piston rod, cylinder piston rod ejects, and drives guide pillar to advance, ensures the stability of each screw tap in the process, ensure blade direction.
Described workpiece portion comprises workpiece relief grinding motor, workpiece slide unit by described workpiece relief grinding driven by motor, workpiece slide unit is provided with workpiece rotating servo motor, described workpiece rotating servo motor is directly connected with clearance elimination gear, described clearance elimination gear is connected with gear and drives top rotation, and described workpiece slide unit is installed on line slideway one and avris is provided with grating scale.Wherein, the installation direction of line slideway one is that workpiece is radial, and workpiece slide unit carries out relief grinding and moves under the drive of workpiece relief grinding motor along workpiece spindle to vertical direction.
Described bistrique part comprises grinding wheel feed motor, bistrique slide unit by described grinding wheel feed driven by motor, and bistrique slide unit is provided with emery wheel and emery wheel driving mechanism, described bistrique slide unit is installed on line slideway two.Wherein, the installation direction of line slideway two be grinding wheel spindle to, bistrique slide unit, under the drive of grinding wheel feed motor, completes along emery wheel axial direction the feed motion that emery wheel moves pitch.
Described trim part comprises finishing servomotor, screw mandrel and the emery wheel for repairing, and emery wheel completes the finishing to trimming wheel in the course of the work.
The screw-tap threaded grinding machine that this technical scheme provides, in its burring machine, emery wheel is connected with line slideway three, the installation direction of line slideway three is vertical direction, emery wheel is under the drive of servomotor, linearly guide rail three carries out the motion of vertical direction, coordinate with the axial feed motion of emery wheel, complete and the location of trimming wheel is repaired.
The screw-tap threaded grinding machine that this technical scheme provides, its operation principle is that emery wheel moves pitch, workpiece completes the motion of high speed relief grinding, changes the screw tap mode of production that conventional workpiece moves pitch, emery wheel completes the motion of high speed relief grinding.This technological improvement is realized by the technical pattern of " line slideway one installation direction is workpiece radial direction, and line slideway two installation direction is emery wheel axial direction ".
The screw-tap threaded grinding machine that this technical scheme provides, the emery wheel driving mechanism in its bistrique part is electric main shaft structure.
The screw-tap threaded grinding machine that this technical scheme provides, its workpiece relief grinding motor and emery wheel feeding motor are linear electric motors.
By technique scheme, screw-tap threaded grinding machine provided by the utility model, is compared with the prior art tool and has the following advantages.
Adopt Numeric Control Technology in this grinding machine, emery wheel feeding motor adopts numerical control synthesis pitch, workpiece relief grinding motor numerical control synthesis relief grinding distance and frequency, and has the precision of grating scale to lathe and feed back; The rotating speed etc. of emery wheel is by computer numerical controlled realization in addition, and therefore whole machine tool structure is simple, easy to use, change produce screw tap specification time only need change numerical control software, regulate facility.
Have employed the mode of production that emery wheel moves pitch, workpiece completes the motion of high speed relief grinding, compared with completing with traditional workpiece movable pitch, emery wheel the screw tap mode of production that high speed relief grinding moves, the weight of workpiece mechanism is only about 1/4 of emery wheel mechanism weight, effectively can reduce machine vibration, improve workpiece quality especially workpiece thread relief angle value precision, and grinding machine relief grinding frequency can be increased substantially, enhance productivity; For M8 type thread forming tap, the rear angle value trueness error of legacy equipment is generally 0.01mm/8 tooth, and the rear angle value trueness error of this lathe is only 0.003/8 tooth; It is 150s that traditional machine tool produces required time, and this lathe production required time is only 40s.
Change the defect that same category of device contact cam relief grinding is easy to wear in the past, the service life of conventional cam mechanism is 1-2, and this lathe adopts linear electric motors mechanism to produce without wearing and tearing, is only line slideway wearing and tearing, service life is equal to equipment life, and Maintenance free is changed.
The numerical control diamond roller dresser that trim part adopts no longer relies on emery wheel external form profile straight forming, reduces the cost of crushing, improves the service life of burring machine and dressing accuracy is higher.
The complete numerical control of this equipment, can accomplish that automatic loading/unloading, Automatic-clamping, bistrique are walked pitch and automatic dressing emery wheel automatically, achieves full-automatic production; This equipment omnidistance unattended time is 30 minutes, and each workman can monitor more than 5 equipment simultaneously, considerably reduces cost of labor.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is overall structure figure of the present utility model.
Fig. 2 is the structure chart of feed section.
Fig. 3 is the sectional view of workpiece portion.
Fig. 4 is the structure chart of bistrique part and trim part.
In figure: 1. lathe bed, 2. feed section, 3. workpiece portion, 4. bistrique part, 5. trim part, 6. cylinder, 7. cylinder piston rod, 8. guide pillar, 9. workpiece relief grinding motor, 10. workpiece slide unit, 11. workpiece rotating servo motors, 12. clearance elimination gears, 13. gears, 14. line slideway one, 15. grating scales, 16. grinding wheel feed motors, 17. bistrique slide units, 18. emery wheels, 19. emery wheel electro spindle, 20. line slideways two, 21. finishing servomotors, 22. screw mandrels, 23. emery wheels, 24. line slideways three.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, clear, complete description is carried out to the technical scheme in the utility model embodiment.
With reference to figure 1-4, the numerical control screw-tap threaded grinding machine that the utility model provides, comprises lathe bed, feed section, workpiece portion, bistrique part and trim part.
In Fig. 1, feed section (2) is positioned at the right side of lathe bed (1), and workpiece to be processed is delivered to workpiece portion (3) along Y direction in Fig. 1 by feed section (2); Workpiece portion (3) is positioned at the middle part of lathe bed (1), and in workpiece process, workpiece portion (3) carries out workpiece relief grinding along Y direction and moves; Bistrique part (4) is positioned at the left part of lathe bed (1), and in workpiece process, bistrique part (4) carries out pitch feed motion along X-direction, completes and produces the screw tap of workpiece to be processed; Meanwhile, the trim part (5) being positioned at bistrique part (4) top completes the finishing to bistrique part (4) medium plain emery wheel (18).
In Fig. 2, cylinder (6) work of 40 groups of feed section (2), cylinder piston rod (7) ejects, guide pillar (8) is driven to advance, workpiece to be processed is delivered to the top place of workpiece portion (3), in the operation of feed section (2), the stability of each screw tap must be ensured, ensure the direction of blade.
In Fig. 3, the workpiece slide unit (10) that 20 groups of workpiece portion (3) comprise workpiece relief grinding motor (9), driven by described workpiece relief grinding motor (9), workpiece slide unit (10) is provided with workpiece rotating servo motor (11), described workpiece rotating servo motor (11) is directly connected with clearance elimination gear (12), described clearance elimination gear (12) is connected with gear (13) and drives top rotation, described workpiece slide unit (10) is installed on that line slideway one (14) is upper and avris is provided with grating scale (15), and the installation direction of line slideway one (14) is that workpiece is radial.After workpiece to be processed is delivered to the clamping of top place by feed section (2), workpiece to be processed is with top rotation, and in company with workpiece slide unit (10) under the drive of workpiece relief grinding motor (9) linearly guide rail one (14) carry out workpiece spindle and move to the relief grinding of Y direction in vertical direction, i.e. Fig. 1, grating scale (15) is monitored the stability of moving and accuracy.
In Fig. 4, the bistrique slide unit (17) that 30 groups of bistrique parts (4) comprise grinding wheel feed motor (16), driven by described grinding wheel feed motor (16), bistrique slide unit (17) is provided with emery wheel (18) and emery wheel electro spindle (19) structure, described bistrique slide unit (17) is installed on line slideway two (20), the installation direction of line slideway two (20) be grinding wheel spindle to.While linearly guide rail one (14) carries out the relief grinding motion of Y direction to workpiece portion (3), bistrique slide unit (17) is under the drive of grinding wheel feed motor (16), linearly guide rail two (20) carries out X-direction in emery wheel axial direction, i.e. Fig. 1, complete the feed motion that emery wheel moves pitch, jointly complete and the screw tap of workpiece to be processed is processed.
In Fig. 4, while workpiece portion (3) and bistrique part (4) complete the production of workpiece to be processed screw tap jointly, the finishing servomotor (21) link screw mandrel (22) of trim part (5), drives emery wheel (23) to repair emery wheel.In dressing process, emery wheel (23) is connected with line slideway three (24), the installation direction of line slideway three (24) is vertical direction, emery wheel (23) linearly guide rail three (24) carries out the motion of Z-direction, move with the Y direction of emery wheel (18) and coordinate, complete and the location of emery wheel (18) is repaired.
The screw-tap threaded grinding machine that this technical scheme provides, its operation principle is that emery wheel moves pitch, workpiece completes the motion of high speed relief grinding, concrete implementation be workpiece portion linearly guide rail one carry out workpiece radial direction, i.e. Y direction relief grinding motion while, bistrique slide unit linearly guide rail two carries out the feed motion that emery wheel axial direction, i.e. X-direction move pitch, jointly completes and processes the screw tap of workpiece to be processed.Compared with completing with traditional workpiece movable pitch, emery wheel the screw tap mode of production that high speed relief grinding moves, the weight of workpiece mechanism is only about 1/4 of emery wheel mechanism weight, effectively can reduce machine vibration, improve workpiece quality especially workpiece thread relief angle value precision, and grinding machine relief grinding frequency can be increased substantially, enhance productivity; For M8 type thread forming tap, the rear angle value trueness error of legacy equipment is generally 0.01mm/8 tooth, and the rear angle value trueness error of this lathe is only 0.003/8 tooth; It is 150s that traditional machine tool produces required time, and this lathe production required time is only 40s.
The screw-tap threaded grinding machine that this technical scheme provides, its workpiece relief grinding motor and emery wheel feeding motor are linear electric motors.Change the defect that same category of device contact cam relief grinding is easy to wear in the past, the service life of conventional cam mechanism is 1-2, and this lathe adopts linear electric motors mechanism to produce without wearing and tearing, is only line slideway wearing and tearing, service life is equal to equipment life, and Maintenance free is changed.
The numerical control diamond roller dresser that trim part adopts no longer relies on emery wheel external form profile straight forming, reduces the cost of crushing, improves the service life of burring machine and dressing accuracy is higher.
The complete numerical control of this equipment, can accomplish that automatic loading/unloading, Automatic-clamping, bistrique are walked pitch and automatic dressing emery wheel automatically, achieves full-automatic production; This equipment omnidistance unattended time is 30 minutes, and each workman can monitor more than 5 equipment simultaneously, considerably reduces cost of labor.

Claims (4)

1. a numerical control screw-tap threaded grinding machine, comprises lathe bed, feed section, workpiece portion, bistrique part and trim part; Described feed section comprises cylinder, by the cylinder piston rod of described cylinder action and the guide pillar that driven by described cylinder piston rod; Described workpiece portion comprises workpiece relief grinding motor, workpiece slide unit by described workpiece relief grinding driven by motor, workpiece slide unit is provided with workpiece rotating servo motor, described workpiece rotating servo motor is directly connected with clearance elimination gear, described clearance elimination gear is connected with gear and drives top rotation, and described workpiece slide unit is installed on line slideway one and avris is provided with grating scale; Described bistrique part comprises grinding wheel feed motor, bistrique slide unit by described grinding wheel feed driven by motor, and bistrique slide unit is provided with emery wheel and emery wheel driving mechanism, described bistrique slide unit is installed on line slideway two; Described trim part comprises finishing servomotor, screw mandrel and the emery wheel for repairing; It is characterized in that, line slideway one installation direction is workpiece radial direction, and line slideway two installation direction is emery wheel axial direction.
2. numerical control screw-tap threaded grinding machine according to claim 1, is characterized in that, described trim part emery wheel is connected with line slideway three, and line slideway three installation direction is vertical direction.
3. numerical control screw-tap threaded grinding machine according to claim 1, is characterized in that, the emery wheel driving mechanism of described bistrique part is electric main shaft structure.
4. numerical control screw-tap threaded grinding machine according to claim 1, is characterized in that, workpiece relief grinding motor and emery wheel feeding motor are linear electric motors.
CN201420486011.0U 2014-08-27 2014-08-27 A kind of numerical control screw-tap threaded grinding machine Expired - Fee Related CN204036166U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420486011.0U CN204036166U (en) 2014-08-27 2014-08-27 A kind of numerical control screw-tap threaded grinding machine

Publications (1)

Publication Number Publication Date
CN204036166U true CN204036166U (en) 2014-12-24

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105798710A (en) * 2016-03-30 2016-07-27 广东特普丝精密工具有限公司 Numerical control extrusion screw tapping thread grinding machine
CN106217143A (en) * 2016-08-31 2016-12-14 天津轮达鑫盛机械有限公司 Double abrasive wheel extra small screw-tap threaded grinding machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105798710A (en) * 2016-03-30 2016-07-27 广东特普丝精密工具有限公司 Numerical control extrusion screw tapping thread grinding machine
CN106217143A (en) * 2016-08-31 2016-12-14 天津轮达鑫盛机械有限公司 Double abrasive wheel extra small screw-tap threaded grinding machine

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141224

Termination date: 20160827

CF01 Termination of patent right due to non-payment of annual fee