CN104942190A - Numerical control roll machine - Google Patents
Numerical control roll machine Download PDFInfo
- Publication number
- CN104942190A CN104942190A CN201510347007.5A CN201510347007A CN104942190A CN 104942190 A CN104942190 A CN 104942190A CN 201510347007 A CN201510347007 A CN 201510347007A CN 104942190 A CN104942190 A CN 104942190A
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- China
- Prior art keywords
- fuselage
- numerical control
- control system
- seat
- proportional servo
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H3/00—Making helical bodies or bodies having parts of helical shape
- B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
- B21H3/04—Making by means of profiled-rolls or die rolls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H5/00—Making gear wheels, racks, spline shafts or worms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to the field of metal rolling, in particular to a numerical control roll machine. The numerical control roll machine comprises machine bodies including the upper machine body and the lower machine body, and further comprises a servo main shaft driving system, a proportional servo hydraulic sliding base feeding system and a numerical control system. The servo main shaft driving system, the proportional servo hydraulic sliding base feeding system, the numerical control system and the upper machine body are all fixed to the lower machine body, machine body side walls are arranged at the two ends of the upper machine body respectively, and the machine body side walls and the upper machine body are of an integrated structure. According to the numerical control roll machine, high-precision synchronous rotation of double main shafts is achieved, completely independent control over the two main shafts is achieved, automatic tooth position alignment can be achieved, and machining precision of the machine is improved.
Description
Technical field
The present invention relates to metal rolling field, especially a kind of numerical control rolling mill.
Background technology
Rolling mill a kind ofly utilizes the plasticity of some metal material under cold conditions or normal temperature, under external force, the rolling die extruding revolution class blank by being rotating carries out the one advanced person of screw thread process and the processing of spline part, efficient, high-quality, low consumed ELEMENTARY INTRODUCTION TO NON lathe.According to the rolling die number of axle can be filled, single slide rolling mill, diaxon rolling mill and three axle rolling mills can be divided into.
The precision of rolling mill processing work is subject to the impact of each spindle rotation accuracy and synchronization accuracy.Conventional machine tool adopts the mechanical reducer of single input axle multi output shaft type, and due to the impact by processing and assembly precision, cause each output shaft rotating accuracy unstable, make processing work quality stable not, precision is difficult to improve, and cannot meet the requirement of user Geng Gao.Along with the develop rapidly of computer technology, the controlling functions of digital control system is constantly strengthened, and can realize the accurate control of the position to each axle of lathe, speed, torque.Therefore, numerical control rolling mill becomes the development trend of rolling mill.
Summary of the invention
The object of the invention is to the above-mentioned defect overcoming the existence of existing rolling mill, propose a kind of numerical control rolling mill of new structure, it achieves two main shaft high-precise synchronization and rotates, and two main shafts completely independently control, can realize, automatically to tooth position, improve the machining accuracy of equipment.
The present invention adopts following technical scheme to realize: a kind of numerical control rolling mill, comprise fuselage, wherein fuselage and comprise fuselage and lower fuselage, wherein, also comprise servo principal axis drive system, proportional servo hydraulic pressure slide feed system and digital control system, servo principal axis system, proportional servo hydraulic pressure slide feed system and digital control system and upper fuselage are all fixed on lower fuselage, the two ends of upper fuselage arrange fuselage side wall respectively, and fuselage side wall and upper fuselage are integral structure;
Described servo principal axis system comprises two servomotors, two parallel main shafts, adjustment plate, arc-shaped seat and two sliding seat, two main shafts are separately fixed on adjustment plate, main shaft is by front support seat and rear branching holder supporting, at least one bearing is respectively equipped with in front support seat and rear branching holder, main shaft between front support seat and rear branching holder is provided with roller, the described outside of adjustment plate is fixedly connected with the planar side of arc-shaped seat, the arcuate flanks of arc-shaped seat is fixedly connected with sliding seat, sliding seat internal fixtion has the cylinder body of hydraulic cylinder, the piston of hydraulic cylinder is fixed on the inner side of fuselage side wall, upper fuselage is provided with sliding rail, sliding seat moves along sliding rail, servomotor is provided with decelerator, servo motor output shaft is connected with decelerator, output shaft and the main shaft of decelerator are rigidly connected, digital control system is connected with servomotor,
Each sliding seat is equipped with a set of proportional servo hydraulic pressure slide feed system, described proportional servo hydraulic pressure slide feed system comprises proportional servo valve, grating scale and Hydraulic Station, wherein proportional servo valve is connected with digital control system, Hydraulic Station is connected with hydraulic cylinder, hydraulic cylinder is connected with proportional servo valve, proportional servo valve is for driving hydraulic cylinder, and grating scale is connected with digital control system, digital control system, grating scale and proportional servo valve composition closed-loop control system.
In the present invention, the medium position of described fuselage is provided with fixture, and workpiece setting is on fixture, and workpiece axial location is adjustable, and fixture is arranged along the horizontal direction perpendicular to fuselage.
Described rear branching holder can be integral structure with adjustment plate.
Adjusting lever mechanism is provided with in described arc-shaped seat, this mechanism comprises adjusting lever and ball axle, one end of adjusting lever is arranged in sliding seat, the other end is arranged in arc-shaped seat, and the axle portion of ball axle inserts adjusting lever, and the head of ball axle inserts arc-shaped seat, adjusting lever to be arranged in sliding seat and can rotary motion, drive ball axle to rotate a certain angle, ball axle drives arc-shaped seat to rotate a certain angle again, to adjust the depth of parallelism of two main shafts.
The output shaft of described decelerator is connected with main shaft by gear drive, described gear drive comprises gear wheel and pinion, wherein the gear shaft of pinion is fixedly connected with reducer output shaft, the gear shaft of gear wheel is fixedly connected with main shaft, therefore being rigidly connected of servomotor and main shaft is achieved, backhaul gap is little, and transmission accuracy is high, and spindle synchronous precision is up to 0.005 °.Digital control system is connected with servomotor, by digital control system controlled quentity controlled variable servomotor synchronization action, thus achieves the synchronous rotary of two main shafts.
Described grating scale is divided into dynamic chi and scale, and wherein scale is arranged on fuselage, and dynamic chi is arranged in sliding seat.Proportional servo valve work is made by digital control system, thus make hydraulic cylinder action, and drive sliding seat to move forward and backward, obtained the exact position numerical value of sender point in sliding seat motion process by grating scale after, above-mentioned position numerical value is transferred to digital control system, thus accurately control speed and the displacement of the lines amount of two sliding seat, realize adjustment and two slide synchronous relative motion and the location of two principal axis centre distances.
The invention has the beneficial effects as follows:
(1) present invention achieves two spindle synchronous to control, achieve two main shaft high-precise synchronization and rotate, improve the machining accuracy of equipment;
(2) two main shafts in the present invention are separate, therefore achieve the independently control of two main shafts, achieve the automatic to tooth bit manipulation of two main shafts simultaneously;
(2) passing ratio servo-hydraulic slide feed system achieves two sliding seat synchronous relative motion and location, and the closed-loop control system of passing ratio servo valve, digital control system and grating scale composition realizes the constant feed speed of two sliding seat and accurately locates.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention;
Fig. 2 is the structural representation of main axle servo transmission system of the present invention.
In figure: 1 time fuselage; Fuselage on 2; 201 fuselage side wall; 3 sliding seat; 4 arc-shaped seats; 5 adjustment plates; 6 servo principal axis systems; 601 servomotors; 602 decelerators; 603 front support seats; 604 bearings I; 605 bearings II; 606 bearings III; 607 pinions; 608 gear wheels; 7 fixtures; 8 rollers; 9 main shafts.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described.
Described numerical control rolling mill comprises fuselage, servo principal axis system 6, proportional servo hydraulic pressure slide feed system and digital control system.Wherein fuselage comprises fuselage 2 and lower fuselage 1, and servo principal axis system 6, proportional servo hydraulic pressure slide feed system and digital control system and upper fuselage are all fixed on lower fuselage.Be provided with fixture 7 at the medium position of fuselage, workpiece setting is on fixture 7, and axial location is adjustable simultaneously, and fixture is arranged along the horizontal direction perpendicular to fuselage.Described upper fuselage 2 adopts spill cast structure, the two ends of upper fuselage 2 arrange fuselage side wall 201 respectively, and fuselage side wall 201 and upper fuselage 2, in integral structure, this architecture enhance the integral rigidity of lathe, solve absorbing and vibration damping problem, reduce the distortion of fuselage.
Described servo principal axis system comprises two servomotors, two parallel main shafts 9, adjustment plate 5, arc-shaped seat 4 and two sliding seat 3, two main shafts 9 are separately fixed on adjustment plate 5, main shaft 9 is by front support seat 603 and rear branching holder supporting, bearing I 604 is set in front support seat 603, bearing II 605 and bearing III 606 are set in rear branching holder, rear branching holder and adjustment plate 5 are in integral structure, and main shaft 9 adopts three-point support, and rigidity is better.Main shaft between bearing I 604 and bearing II 605 is provided with roller 8.The outside of described adjustment plate 5 is fixedly connected with the planar side of arc-shaped seat 4, and the arcuate flanks of arc-shaped seat 4 is fixedly connected with sliding seat 3.Sliding seat 3 internal fixtion has the cylinder body of hydraulic cylinder, and the piston of hydraulic cylinder is fixed on the inner side of fuselage side wall 201.Upper fuselage is provided with sliding rail, and sliding seat 3 can move along sliding rail.
Adjusting lever mechanism is provided with in described arc-shaped seat 4, this mechanism comprises adjusting lever and ball axle, one end of adjusting lever is arranged in sliding seat, the other end is arranged in arc-shaped seat, and the axle portion of ball axle inserts adjusting lever, and the head of ball axle inserts arc-shaped seat, adjusting lever to be arranged in sliding seat and can rotary motion, drive ball axle to rotate a certain angle, ball axle drives arc-shaped seat to rotate a certain angle again, to adjust the depth of parallelism of two main shafts.
Described servomotor 601 is provided with decelerator 602, servomotor 601 output shaft is connected with decelerator 602, the output shaft of decelerator 602 is connected with main shaft 9 by gear drive, described gear drive comprises gear wheel 608 and pinion 607, wherein the gear shaft of pinion 607 is fixedly connected with reducer output shaft, the gear shaft of gear wheel 608 is fixedly connected with main shaft 9, therefore being rigidly connected of servomotor 601 and main shaft 9 is achieved, backhaul gap is little, transmission accuracy is high, and spindle synchronous precision is up to 0.005 °.Digital control system is connected with servomotor, and control two servomotor actions by digital control system, driven by servomotor ensures two spindle synchronous.When needing tooth, one of them servomotor is failure to actuate, the action of servo drive control another one servomotor, thus makes to relatively rotate between two main shafts, thus completes automatically tooth position.
Each sliding seat 3 is equipped with a set of proportional servo hydraulic pressure slide feed system, described proportional servo hydraulic pressure slide feed system comprises proportional servo valve, grating scale and Hydraulic Station, wherein proportional servo valve is connected with digital control system, by the valve port of digital control system control ratio servo valve, thus the direction of control fluid, pressure and flow.Hydraulic Station and lower fuselage are integral structure, and Hydraulic Station is connected with hydraulic cylinder, and hydraulic cylinder is connected with proportional servo valve, and proportional servo valve is for driving hydraulic cylinder.Grating scale is divided into dynamic chi and scale, and wherein scale is arranged on fuselage, and dynamic chi is arranged in sliding seat.Proportional servo valve work is made by digital control system, thus make hydraulic cylinder action, and drive sliding seat to move forward and backward, obtained the exact position numerical value of sender point in sliding seat motion process by grating scale after, above-mentioned position numerical value is transferred to digital control system, thus make digital control system, grating scale and proportional servo valve form a closed-loop system, accurately control speed and the displacement of the lines amount of two sliding seat, the adjustment and two slides that realize two principal axis centre distances are synchronized with the movement and location.
Digital control system described in the present invention adopts CNC System from Siemens, realizes manually, automatically controlling, and both can realize four-axle linked, also can single shaft action, possesses simple fault diagnosis functions, can realize input and the editor of lathe parameter and machined parameters.
The course of work of this numerical control rolling mill is as follows: rotated by driven by servomotor two spindle synchronous, the synchro-feed of two sliding seats is accurately controlled by the proportional servo hydraulic pressure slide feed system of two cover closed-loops, digital control system is adopted to control the displacement of two speeds of mainshaft and two sliding seat, extruded by the synchro-feed being arranged on the roller on two synchronous rotary main shafts and drive workpiece to rotate, utilizing the plastic deformation of metal works to complete the tooth Profile Machining of workpiece.This numerical control rolling mill may be used for the shaping rolling of precise cold of the slewing parts such as low module involute spline, high accuracy external screw thread, substantially increase the working (machining) efficiency of screw thread and spline, save cost, the industries such as automobile, motorcycle, Aero-Space, machinery, railway, oil can be widely used in.
Claims (7)
1. a numerical control rolling mill, comprise fuselage, wherein fuselage and comprise fuselage (2) and lower fuselage (1), it is characterized in that: also comprise servo principal axis system (6), proportional servo hydraulic pressure slide feed system and digital control system, servo principal axis system (6), proportional servo hydraulic pressure slide feed system and digital control system and upper fuselage are all fixed on lower fuselage (1), and the two ends of upper fuselage (2) arrange fuselage side wall (201) respectively;
Described servo principal axis system (6) comprises two servomotors (601), two parallel main shafts (9), adjustment plate, arc-shaped seat and two sliding seat, two main shafts (9) are separately fixed in adjustment plate (5), main shaft (9) is by front support seat (603) and rear branching holder supporting, at least one bearing is respectively equipped with in front support seat (603) and rear branching holder, main shaft between front support seat and rear branching holder is provided with roller (8), the outside of described adjustment plate (5) is fixedly connected with the planar side of arc-shaped seat (4), the arcuate flanks of arc-shaped seat (4) is fixedly connected with sliding seat (3), sliding seat (3) internal fixtion has the cylinder body of hydraulic cylinder, the piston of hydraulic cylinder is fixed on the inner side of fuselage side wall (201), upper fuselage is provided with sliding rail, sliding seat (3) moves along sliding rail, servomotor is provided with decelerator (602), servomotor (601) output shaft is connected with decelerator (602), output shaft and the main shaft (9) of decelerator (602) are rigidly connected, digital control system is connected with servomotor,
Each sliding seat (3) is equipped with a set of proportional servo hydraulic pressure slide feed system, described proportional servo hydraulic pressure slide feed system comprises proportional servo valve, grating scale and Hydraulic Station, wherein proportional servo valve is connected with digital control system, Hydraulic Station is connected with hydraulic cylinder, hydraulic cylinder is connected with proportional servo valve, proportional servo valve is for driving hydraulic cylinder, and grating scale is connected with digital control system, digital control system, grating scale and proportional servo valve composition closed-loop control system.
2. numerical control rolling mill according to claim 1, it is characterized in that: the medium position of described fuselage is provided with fixture (7), workpiece setting is on fixture (7), and workpiece axial location is adjustable, and fixture is horizontally disposed with along the direction perpendicular to fuselage.
3. numerical control rolling mill according to claim 1, is characterized in that: described rear branching holder and adjustment plate (5) are in integral structure.
4. numerical control rolling mill according to claim 1, it is characterized in that: described arc-shaped seat is provided with adjusting lever mechanism in (4), adjusting lever mechanism comprises adjusting lever and ball axle, one end of adjusting lever is arranged in sliding seat, the other end is arranged in arc-shaped seat, the axle portion of ball axle inserts adjusting lever, and the head of ball axle inserts arc-shaped seat, and adjusting lever rotates in sliding seat.
5. numerical control rolling mill according to claim 1, it is characterized in that: the output shaft of described decelerator (602) is connected with main shaft (9) by gear drive, described gear drive comprises gear wheel (608) and pinion (607), wherein the gear shaft of pinion (607) is fixedly connected with reducer output shaft, and the gear shaft of gear wheel (608) is fixedly connected with main shaft (9).
6. numerical control rolling mill according to claim 1, it is characterized in that: described grating scale is divided into dynamic chi and scale, wherein scale is arranged on fuselage, and dynamic chi is arranged in sliding seat.
7. numerical control rolling mill according to claim 1, is characterized in that: described fuselage side wall (201) and upper fuselage (2) are in integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510347007.5A CN104942190B (en) | 2015-06-19 | 2015-06-19 | Numerical control rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510347007.5A CN104942190B (en) | 2015-06-19 | 2015-06-19 | Numerical control rolling mill |
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| Publication Number | Publication Date |
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| CN104942190A true CN104942190A (en) | 2015-09-30 |
| CN104942190B CN104942190B (en) | 2016-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510347007.5A Expired - Fee Related CN104942190B (en) | 2015-06-19 | 2015-06-19 | Numerical control rolling mill |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106493273A (en) * | 2016-12-30 | 2017-03-15 | 山东大学 | A kind of numerical control gear rollforming device and its application |
| CN106984748A (en) * | 2017-05-25 | 2017-07-28 | 青岛张氏机械有限公司 | Numerically-controlled precise screw-rolling machine and automobile multiple lead screw |
| ITUA20163757A1 (en) * | 2016-05-24 | 2017-11-24 | Mico S R L | ROLLING MACHINE FOR FORMING IMPRESSIONS ON CYLINDRICAL BODIES AND METHOD TO REPLACE A ROLLER THAT MAKES SUCH A ROLLER MACHINE |
| CN109093039A (en) * | 2018-07-18 | 2018-12-28 | 太原科技大学 | It is a kind of horizontal cold to strike lathe |
| CN110202070A (en) * | 2019-05-22 | 2019-09-06 | 路运福 | A kind of rotation mouth metal bottle tank mouth screw thread manufacturing equipment |
| IT201800005407A1 (en) * | 2018-05-15 | 2019-11-15 | ROLLING MACHINE TO FORM A THREAD ON A CYLINDRICAL BODY | |
| CN110802188A (en) * | 2019-10-23 | 2020-02-18 | 丽水市莲都区贝亿乐信息技术服务有限责任公司 | Full-automatic processing device for external threads of pipe joint |
| CN111468654A (en) * | 2020-05-16 | 2020-07-31 | 浙江诚昌机械配件有限公司 | High-precision thread rolling machine and thread rolling method thereof |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT201800010872A1 (en) * | 2018-12-06 | 2020-06-06 | Evirt Italia S R L | ROLLING MACHINE TO FORM A THREAD ON A CYLINDRICAL BODY |
| IT202200000959A1 (en) * | 2022-01-20 | 2023-07-20 | Evirt Italia S R L | ROLLING MACHINE FOR MAKING IMPRESSIONS ON CYLINDRICAL BODIES AND PROCEDURE FOR REPLACING A FORMING ROLLER OF THE SAID ROLLING MACHINE |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITUA20163757A1 (en) * | 2016-05-24 | 2017-11-24 | Mico S R L | ROLLING MACHINE FOR FORMING IMPRESSIONS ON CYLINDRICAL BODIES AND METHOD TO REPLACE A ROLLER THAT MAKES SUCH A ROLLER MACHINE |
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| CN106493273A (en) * | 2016-12-30 | 2017-03-15 | 山东大学 | A kind of numerical control gear rollforming device and its application |
| CN106984748A (en) * | 2017-05-25 | 2017-07-28 | 青岛张氏机械有限公司 | Numerically-controlled precise screw-rolling machine and automobile multiple lead screw |
| IT201800005407A1 (en) * | 2018-05-15 | 2019-11-15 | ROLLING MACHINE TO FORM A THREAD ON A CYLINDRICAL BODY | |
| EP3575011A1 (en) * | 2018-05-15 | 2019-12-04 | Evirt Italia S.r.l. | Rolling machine for forming a threaded portion on a cylindrical body |
| CN109093039A (en) * | 2018-07-18 | 2018-12-28 | 太原科技大学 | It is a kind of horizontal cold to strike lathe |
| CN110202070A (en) * | 2019-05-22 | 2019-09-06 | 路运福 | A kind of rotation mouth metal bottle tank mouth screw thread manufacturing equipment |
| CN110802188A (en) * | 2019-10-23 | 2020-02-18 | 丽水市莲都区贝亿乐信息技术服务有限责任公司 | Full-automatic processing device for external threads of pipe joint |
| CN110802188B (en) * | 2019-10-23 | 2021-03-19 | 丽水市莲都区贝亿乐信息技术服务有限责任公司 | Full-automatic processing device for external threads of pipe joint |
| CN111468654A (en) * | 2020-05-16 | 2020-07-31 | 浙江诚昌机械配件有限公司 | High-precision thread rolling machine and thread rolling method thereof |
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| CN104942190B (en) | 2016-10-19 |
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Granted publication date: 20161019 Termination date: 20200619 |