CN201618824U - Cold rolling machine tool of medium-large-sized numerical control ring piece - Google Patents
Cold rolling machine tool of medium-large-sized numerical control ring piece Download PDFInfo
- Publication number
- CN201618824U CN201618824U CN2009201782886U CN200920178288U CN201618824U CN 201618824 U CN201618824 U CN 201618824U CN 2009201782886 U CN2009201782886 U CN 2009201782886U CN 200920178288 U CN200920178288 U CN 200920178288U CN 201618824 U CN201618824 U CN 201618824U
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- rolling
- roller
- medium
- numerical control
- cold rolling
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Abstract
The utility model relates to a cold rolling machine tool of a medium-large-sized numerical control ring piece, which is characterized in that a stander consists of a base, a left side plate, a right side plate and a whole pull rod, wherein the stander is provided with a rolling wheel mechanism on a main shaft; a workpiece circular degree follow-up roller adjusting structure and a rotary center of the roller adjusting structure are arranged together with a center of the main shaft in a coaxial way; a measuring head is provided with a double-row measuring roller wheel; a split-type back roller structure is adopted by a support wheel; a main sliding block is provided with a cross roller rolling guide rail; the main sliding block is connected with a powerful ball screw pair nut in a floating way; a servo motor is connected with a speed reducer which is fixed on a bearing seat; and the main sliding block is provided with a grating sensor X and a closed-loop control system formed by the grating sensor. The cold rolling machine tool simplified the structure composition, improves the system stability, and has high processing accuracy and large processing range.
Description
Technical field
The present invention relates to Digit Control Machine Tool, relate in particular to a kind of special equipment that is used for the processing of ferrule piece cold roll forming.
Background technology
Ferrule piece is to use a kind of widely part.Typical workpiece is as the inner and outer ring of rolling bearing, ball cage retainer, spacer etc.Material therefor comprises Summoning and non-ferrous metal etc.
The processing mode that the metal current ring is the most general carries out machining for adopting Metal Cutting Machine Tool, and this method needs plurality of devices to cooperate, and the multiple working procedure operation is to finish part processing, and process route is long, and produces a large amount of cuttings.In recent years, less, not having the ferrule piece cold rolling technology that cuts progressively grows up, compare with traditional stock-removing machine processing technology, its blanking diameter is less, thereby the first mate improved raw-material utilization rate (can improve 10%-30% according to the size difference), and workpiece metal streamline after cold spreading keeps completely simultaneously, and material grains is fined, can obtain thin and uniform tissue during crystallization again in subsequently heat treatment, improve the fatigue strength of material.Cold rolling technology is much accounted of in ring-shaped work pieces processing day by day.
The cold rolling lathe of ring that uses mainly is the cold rolling lathe of small-sized and middle-size and small-size ring at present, and the range of work: Φ 20mm＜maximum machining diameter＜Φ 200mm, maximum machining width＜60mm day by day can not satisfy the production needs.Do not have preceding rolling wheel seat disassembly mechanism, preceding rolling wheel seat dismounting is loaded down with trivial details, the interference fit that adopt between roll milling wheel fore bearing and the main shaft more, and the dismounting difficulty is destroyed the main shaft precision, more the mold exchange difficulty easily; Do not have carrying roller or adopt fixed carrying roller, fixed carrying roller is installed on the base, and when cold rolling beginning, it does not contact with workpiece, just workpiece rise big to a certain degree just beginning contact, thereby workpiece circularity instability, it is difficult to adjust the workpiece taper ratio; Gage outfit mostly be with workpiece contact site tungsten carbide button rod, during work and workpiece be sliding friction, have only a contact point with workpiece, be unfavorable for stablizing workpiece, easily the workpiece outer surface is caused cut; Support wheel in the past is monoblock type or subdivision cantilevered, and the maximum machining diameter of monoblock type support wheel restriction workpiece, is adjusted difficulty at processing, subdivision cantilevered rigidity a little less than, deflection is big, influences the processing work precision, is unfavorable for die life.Former feeding mode adopts electro-hydraulic proportional valve control hydraulic jack directly to push away more or cam, connecting rod feeding mode.Feed speed adopts open loop control, and the hydraulic system kinematic accuracy is poor, and being subject to the hydraulic oil temperature rise influences machine finish, cam and linkage complex structure, manufacturing, difficult in maintenance.
In general, workpiece ovality and size scattered error that the present cold rolling lathe of ring that uses processes are bigger, and the range of work is less.
Summary of the invention
The present invention seeks to overcome all deficiencies of existing in prior technology, provide a kind of simplified structure to form, improve the stability of a system, the processing parts precision is improved, the cold rolling lathe of medium-and-large-sized numerical control ring that the processing dimension scope increases.
For achieving the above object, the utility model has adopted following technical scheme:
The cold rolling lathe of a kind of medium-and-large-sized numerical control ring has electric control system, and it is characterized in that: frame is made up of the continuous base that interfixes, left plate, right plate and whole pull bar, forms symmetrical frame open frame structure; Device has roll milling wheel mechanism on the frame, and roll milling wheel is fixedlyed connected with left plate by coupled preceding rolling wheel seat, back rolling wheel seat, and device is on main shaft; The opening of preceding rolling wheel seat and back rolling wheel seat is stuck rolling small slide block structure is housed; Workpiece circularity trailing type carrying roller is adjusted structure, carrying roller, and to adjust the centre of gyration of structure coaxial with the alignment of shafts, or the alignment of shafts is between angle of circumference, or on the angular bisector of angle of circumference; Have double measurement roller on the gage outfit, double measurement roller contacts for rolling with workpiece during work; Support wheel adopts dissection type back flow roll structure; Right-angled intersection roller rolling guide is installed on the master slider is connected with base, master slider floats with powerful ball screw assembly, nut and is connected, and ball-screw is installed in the bearing block that is fixed on the right plate; High-power servomotor is connected with reductor, and reductor is fixed on the bearing block, constitutes full electricity and drives feed system; Grating sensor X is installed on the master slider, has constituted closed-loop control system with the grating sensor Y that disposes on the measuring mechanism.
As preferably, be fixed on cover in the preceding rolling wheel seat employing bearing with tapered bore on the left plate, described interior cover is a demountable structure.
As preferably, rotary preceding rolling wheel seat disassembly mechanism is installed on the left plate.
As preferably, described before on rolling wheel seat and the back rolling wheel seat rolling small slide block of device be H type structure, its axis parallel with main shaft and with the contour or lower slightly 2～5mm of main-shaft axis.
As preferably, described support wheel and two back flow rolls are tangent, two vertical conllinear in back flow roll center, and isosceles triangles are formed at support wheel center and two back flow roll centers.
As preferably, described master slider adopts right-angled intersection roller rolling guide to be connected with base, master slider floats with powerful ball screw assembly, nut and is connected, ball-screw is installed in the bearing block that is fixed on the right plate, high-power servomotor is connected with reductor, reductor is fixed on the bearing block, has constituted high-power full electricity and has driven servo feed system.
As preferably, described electric control system adopts external free-standing electrical control cabinet, and touch-screen is installed on the rotation control cabinet on the switch board outer cover.
The utlity model has following beneficial effect:
1. workpiece processing dimension section is big, and scope is wide.The maximum diamater of work of processing can reach Φ 260mm, and Breadth Maximum can reach 85mm, can extend downwards.
2. easy to adjust quick, be convenient to more mold exchange.Improve shafting structure, reduce the distortion of axle system, rolling wheel seat disassembly mechanism before increasing, cover cooperates with main shaft in the preceding rolling wheel seat bearing with tapered bore, can realize can not damaging main shaft and bearing, the use of preceding rolling wheel seat disassembly mechanism to the fast quick-detach of preceding rolling wheel seat, when mold exchange more, preceding rolling wheel seat need not be brought up to from lathe and moved down, shorten the die change time.
3. made things convenient for the adjustment of cold rolling technological parameter.By the man-machine conversation mode of touch-screen, set the feed speed transfer point of servomotor, can conveniently set a plurality of cold rolling work speeds and rate conversion point, for the cold rolling workpiece quality of final raising provides effective means.
4. the dimensional accuracy and the accuracy of form and position of cold rolling workpiece have been improved.Frame adopts symmetrical frame formula structure to make lathe have favorable rigidity, single-ended distortion≤the 0.03mm of frame, lay a good foundation for rolling over the raising of expanding precision, circularity trailing type carrying roller is adjusted structure and has been guaranteed the stationarity of workpiece in process and the elimination of workpiece tapering, double measurement roller makes the workpiece work in-process more stable, servomotor mechanical feed speed is steadily even, good rigidly, mechanically deform is little, two closed-loop control systems that grating sensor Y, X constitute, the certainty of measurement height, antijamming capability is strong.The external Hydraulic Station has reduced the influence of temperature rise to the workpiece accurate to dimension.
5. machine tool structure is simple, cost is low.Cancel the high power hydraulic feed system, reduced equipment power dissipation and maintenance cost.
Description of drawings
Fig. 1 is a kind of workspace of the present utility model schematic diagram;
Fig. 2 is the structural representation of Fig. 1;
Fig. 3 is the principle sketch of Fig. 1;
Fig. 4 is the numerical control principle sketch of Fig. 1;
Fig. 5 is the integral layout vertical view of Fig. 1;
Fig. 6 is a rotation control cabinet sketch.
Among the figure: 1-left plate, 2-carrying roller oil cylinder, 3-pivoted arm, 4-rotating shaft, the 5-roll milling wheel, 6-manipulator, 7-workpiece, 8-core roller, 9-grating sensor Y, 10-support wheel, 11-master slider, 12-grating sensor X, the 13-ball-screw, 14-ball screw assembly, nut, 15-right plate, the high-power servomotor of 16-, the 17-reductor, 18-cylinder roller bearing, 19-bearing block, 20-self-aligning thrust roller bearing, the 21-taper roll bearing, the whole pull bar of 22-, 23-right-angled intersection roller rolling guide, 24-base, the 25-back flow roll, the 26-gage outfit, 27-measures roller, 28-carrying roller, 29-roller rack plate, 30-alignment pin, 31-handwheel, rolling wheel seat disassembly mechanism before the 32-main shaft, 33-, rolling wheel seat behind the 34-, rolling wheel seat before the 35-, 36-rolling small slide block, 37-bearing inner sleeve, 38-external Hydraulic Station, 39-water cooler, 40-air cooler, 41-high pressure rubber oil pipe, 42-magnetic separator, 43-regulator cubicle, the 44-touch-screen, 45-rotary manipulation panel, 46-rotating shaft, 47-PVC facial mask button, 48-handle, 49-shift knob.
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
As seen from Figure 1: the cold rolling lathe of a kind of medium-and-large-sized numerical control ring, comprise that frame, preceding rolling wheel seat disassembly mechanism 33, manipulator 6 charge mechanisms, roll milling wheel 5 mechanisms, trailing type carrying roller guiding mechanism, rolling small slide block 36, gage outfit 26 and master slider 11 full electricity drive feed system, its lathe frame is made up of the continuous base 24 that interfixes, left plate 1, right plate 15 and four whole pull bars 22 etc.
As seen from Figure 1: trailing type idler roll guiding mechanism is fixed on rotating shaft 4 on the back rolling wheel seat 34, pivoted arm 3 is the centre of gyration with rotating shaft 4 center O, movement locus is circular arc R R ', be connected with supporting plate on the alignment pin 30 of pivoted arm 3 right flanks, carrying roller 28 is housed on the roller rack plate 29, and the upper of carrying roller 28 is the B point, and the next is the A point, main shaft 32 center O ' between angle of circumference AOB, or on the angular bisector of angle of circumference AOB.Manipulator 6 whens filling with substance, carrying roller 28 moves to the B point by carrying roller oil cylinder 2 and contacts with workpiece 7, along with the big passive A of the falling back on point of rising of workpiece 7.Roller rack plate 29 can center on alignment pin 30 and pivoted arm 3 relative rotations by rotating handwheel 31, can make the axis of roller rack plate 29 upper supporting rollers 28 and workpiece 7 axis form certain angle or eliminate angle between workpiece 7 axis and main shaft 32 axis, thus eliminate workpiece 7 process in the formation of tapering.
Have double measurement roller 27 on the gage outfit 26 of TT﹠C system, double measurement roller 27 contacts for rolling with workpiece 7 during processing work 7, guarantees the stable of workpiece 7 operating modes.
Feed system directly is connected on the reductor 17 by servomotor 16, the right side of bearing block 19 is connected with reductor 17, ball-screw 13 is direct-connected with reductor 17, bearing block 19 is fixedlyed connected with described right plate 15, the nut of ball-screw 13 floats with master slider 11 and is connected, and described bearing block 19 is built-in with taper roll bearing 21, self-aligning thrust roller bearing 20 and cylinder roller bearing 18.Power is expanded in rolling when self-aligning thrust roller bearing 20 bears work.Gap when taper roll bearing 21 is used to eliminate ball-screw 13 counter-rotatings is simultaneously with the rotating accuracy of cylinder roller bearing 18 common guarantee ball-screws 13.This bearing configuration bearing capacity is strong, can guarantee high accuracy under big load.
As seen from Figure 2: roll milling wheel 5 mechanisms fixedly connected with left plate 1, base 24 by preceding rolling wheel seat 35, back rolling wheel seat 34, be equipped with main shaft 32 between preceding rolling wheel seat 35 and the back rolling wheel seat 34, roll milling wheel 5 is housed on the main shaft 32, cover 37 adopts the structure of the outer straight inner cone that is easy to dismantle in preceding 35 li bearing with tapered bore of rolling wheel seat, realize the fast quick-detach of roll milling wheel 5, help keeping main shaft 32 shafting precisions again.
As seen from Figure 3: grating sensor X 12 is installed on the master slider 11, be used to measure the displacement of master slider 11, grating sensor X 12 feeds back to control system with data, control system is according to the diverse location of master slider 11, control servomotor 16 is in the feed speed of correspondence position point, grating sensor X 12 is installed on the master slider 11, effectively eliminated the inter-agency fit-up gap of feed system and stressed after distortion, constituted closed-loop control system with the grating sensor Y 9 of configuration on the measuring mechanism 23, this structure has improved the precision of machine tool control system, has guaranteed the precision of product processing.
As seen from Figure 4: it is information process unit that digital control system adopts PLC, according to the instruction of manipulation and control device 200, can carry out the bi-directional data transmission with man-machine interface touch-screen 44, can gather external input signal, exportable control signal.The location status of grating sensor Y 9, X 12 monitoring executive components 100 is given PLC with feedback information, and PLC carries out driving executive component again after signal is handled, thereby constitutes closed-loop control system, has significantly improved the control accuracy of digital control system.
As seen from Figure 5: the rear of the cold rolling lathe of ring is placed with external Hydraulic Station 38, when design, taken into full account because Hydraulic Station 38 works long hours, variations in temperature is bigger, the heat that is produced by external Hydraulic Station 38 will influence the dimensional accuracy of machine tooling workpiece 7, and external Hydraulic Station 38 is connected with high pressure rubber oil pipe 41 with lathe.Because the cold rolling lathe of ring also will produce certain heat adding man-hour, be the reliability of assurance electrical equipment and the convenience of overhaul of the equipments, be placed with external electrical control cabinet 43 on the right side of the cold rolling lathe of ring, can guarantee the wiring space in the electrical control cabinet 43 like this, accomplish that strong and weak electricity separates, reduce electromagnetic interference each other, advance one and do not improve the reliability of electrical control.
As seen from Figure 6: be the operation of handled easily personnel to equipment, on the outer cover of the cold rolling lathe of ring, placed a rotatable operation control box, control cabinet can be rotated in 0-150 ° of scope by pull handle 48, touch-screen 44, PVC thin film switch 47 and heavy-current control button 49 are installed on the control cabinet.Touch-screen 44 carries out human-computer dialogue with control system, all can directly directly import by touch-screen 44 for all control parameters of equipment, and operation interface is directly perceived, succinct.
Claims (7)
1. the cold rolling lathe of medium-and-large-sized numerical control ring has electric control system, it is characterized in that: frame is made up of the continuous base (24) that interfixes, left plate (1), right plate (15) and whole pull bar (22), forms symmetrical frame open frame structure; Device has roll milling wheel mechanism on the frame, and roll milling wheel (5) is fixedlyed connected with left plate (1) by coupled preceding rolling wheel seat (35), back rolling wheel seat (34), and device is on main shaft (32); The opening of preceding rolling wheel seat (35) and back rolling wheel seat (34) is stuck rolling small slide block (36) structure is housed; It is coaxial that workpiece (7) circularity trailing type carrying roller is adjusted the centre of gyration (O) that structure, carrying roller adjust structure and main shaft (32) center (O '), or main shaft (32) center (O ') between angle of circumference (AOB), or on the angular bisector of angle of circumference (AOB); Have double measurement roller (27) on the gage outfit (26), double measurement roller (27) contacts for rolling with workpiece (7) during work; Support wheel (10) adopts dissection type back flow roll (25) structure; Right-angled intersection roller rolling guide (23) is installed on the master slider (11) to be connected with base (24), master slider (11) floats with powerful ball screw assembly, nut (14) and is connected, and ball-screw (13) is installed in bearing block (19) lining of being fixed on the right plate (15); High-power servomotor (16) is connected with reductor (17), and reductor (17) is fixed on the bearing block (19), constitutes full electricity and drives feed system; Grating sensor X (12) is installed on the master slider (11), and the grating sensor Y (9) that goes up configuration with measuring mechanism (23) has constituted closed-loop control system.
2. according to the cold rolling lathe of the described a kind of medium-and-large-sized numerical control ring of claim 1, it is characterized in that: the preceding rolling wheel seat (35) that is fixed on the left plate (1) adopts cover (37) in the bearing with tapered bore, and described interior cover is demountable structure.
3. according to the described a kind of medium-and-large-sized numerical control ring cold-rolling mill of claim 1, it is characterized in that: rotary preceding rolling wheel seat disassembly mechanism (33) is installed on the left plate (1).
4. according to claim 1 or the cold rolling lathe of 2 or 3 described a kind of medium-and-large-sized numerical control rings, it is characterized in that: the rolling small slide block (36) that rolling wheel seat (35) and back rolling wheel seat (34) are gone up device before described is H type structure, its axis parallel with main shaft (32) and with the contour or lower slightly 2～5mm of main shaft (32) axis.
5. according to claim 1 or the cold rolling lathe of 2 or 3 described a kind of medium-and-large-sized numerical control rings, it is characterized in that: described support wheel (10) is tangent with two back flow rolls (25), the vertical conllinear in two back flow rolls (25) center, isosceles triangle is formed at support wheel (10) center and two back flow rolls (25) center.
6. according to claim 1 or the cold rolling lathe of 2 or 3 described a kind of medium-and-large-sized numerical control rings, it is characterized in that: described master slider (11) adopts right-angled intersection roller rolling guide (23) to be connected with base (24), master slider (11) floats with powerful ball screw assembly, nut (14) and is connected, ball-screw (13) is installed in bearing block (19) lining of being fixed on the right plate (15), high-power servomotor (16) is connected with reductor (17), reductor (17) is fixed on the bearing block (19), has constituted high-power full electricity and has driven servo feed system.
7. according to claim 1 or the cold rolling lathe of 2 or 3 described a kind of medium-and-large-sized numerical control rings, it is characterized in that: described electric control system adopts external free-standing electrical control cabinet (39), and touch-screen (44) is installed on the rotation control cabinet (45) on the switch board outer cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201782886U CN201618824U (en) | 2009-10-21 | 2009-10-21 | Cold rolling machine tool of medium-large-sized numerical control ring piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201782886U CN201618824U (en) | 2009-10-21 | 2009-10-21 | Cold rolling machine tool of medium-large-sized numerical control ring piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201618824U true CN201618824U (en) | 2010-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201782886U Expired - Fee Related CN201618824U (en) | 2009-10-21 | 2009-10-21 | Cold rolling machine tool of medium-large-sized numerical control ring piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201618824U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554083A (en) * | 2012-01-17 | 2012-07-11 | 宁波雄狮机械制造有限公司 | Main sliding block component for large precise cold rolling mill |
| CN105538589A (en) * | 2015-12-31 | 2016-05-04 | 宁波长飞亚塑料机械制造有限公司 | Double-screw and double-motor driving full-electric injection device |
-
2009
- 2009-10-21 CN CN2009201782886U patent/CN201618824U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554083A (en) * | 2012-01-17 | 2012-07-11 | 宁波雄狮机械制造有限公司 | Main sliding block component for large precise cold rolling mill |
| CN102554083B (en) * | 2012-01-17 | 2014-06-04 | 宁波雄狮机械制造有限公司 | Main sliding block component for large precise cold rolling mill |
| CN105538589A (en) * | 2015-12-31 | 2016-05-04 | 宁波长飞亚塑料机械制造有限公司 | Double-screw and double-motor driving full-electric injection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101103 Termination date: 20131021 |