CN102527797B - Spline incremental type extrusion rolling composite forming machine - Google Patents
Spline incremental type extrusion rolling composite forming machine Download PDFInfo
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- CN102527797B CN102527797B CN2011104334953A CN201110433495A CN102527797B CN 102527797 B CN102527797 B CN 102527797B CN 2011104334953 A CN2011104334953 A CN 2011104334953A CN 201110433495 A CN201110433495 A CN 201110433495A CN 102527797 B CN102527797 B CN 102527797B
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Abstract
A spline incremental type extrusion rolling composite forming machine comprises a rolling box module, a tensioned closed type tool body and an axial feeding system. A rolling box body in the rolling box module is fixed with a base, connection holes at the bottom and the top of the rolling box body respectively form the tensioned closed type tool body with the base and a front seat through a fastening round nut and a draw bar, a front hydraulic cylinder in the axial feeding system is fixed on the front seat of the tensioned closed type tool body, a rear hydraulic cylinder is fixed on a rear seat of the tensioned closed type tool body, and a round guide rail is installed on the tensioned closed type tool body through a round guide rail seat and a round guide rail sleeve. The rolling box module comprises a rolling work box and a gear transmission box, the rolling box module is simple in structure, the tensioned closed type tool body exerts pre-tension force on the rolling box body and the front seat by the fastening round nut through the draw bar, and the front hydraulic cylinder and the rear hydraulic cylinder in the axial feeding system finish feeding and pushing actions of workpieces. The spline incremental type extrusion rolling composite forming machine has the advantages of being simple in manufacture and installation, strong in integral structural strength, convenient to operate and the like.
Description
Technical field
The invention belongs to advanced material forming technique field, be specifically related to a kind of spline incremental type extrusion rolling composite forming machine.
Background technology
Spline is to be used between transmitter shaft and axle the part of motion and moment of torsion in mechanical system, splined is high as a kind of linking intensity, compact conformation, connecting mode that reliability is high, the advantage such as have that contact area is large, bearing capacity is high, centering property is good, guidance quality is good, stress is concentrated less, axle and the strength reduction of hub is less, be widely used in numerous machinery industries, such as space flight and aviation, automobile, tractor, boats and ships, lathe, engineering machinery etc.
Along with the fast development of auto industry, the demand of spline is swift and violent to be increased and instructions for use improves constantly, and processing technology and the equipment of conventional spline has been proposed to new challenge.The processing technology of spline mainly is divided into traditional machining and Plastic Forming processing, traditional spline cutting technology exists that machining intensity is high, productivity ratio is low, mechanical performance and the shortcoming such as surface quality is poor, and the Plastic Forming processing technology belongs to the ELEMENTARY INTRODUCTION TO NON category, there is the plurality of advantages such as production efficiency is high, stock utilization is high, good product performance, will become gradually the main flow processing technology of involute spline.At present the Plastic Forming processing technology of spline mainly contains extruding, tempers and three kinds of rollings, and these three kinds of techniques all exist obvious deficiency, at first in extrusion process, the spline plastic force is large, easily produce the thick phenomenon of pier, die wear is serious, be not suitable for the processing thin and long shafts spline, processing spline modulus gear is less.Secondly for the technique of tempering, Mold Making difficulty and versatility are poor, can not process multidiameter class spline part, need the special-purpose spline former of tempering.Finally, for technique for rolling, also there are the problems such as mould installation and debugging difficulties, shaping spline modulus and the number of teeth be limited.
Spline increment type extruding rolling combined forming process is proposed by external industrially developed country recently, and is applied to numerous spline production occasions, such as the production of the crucial transmission parts such as automobile axle shaft.Along the workpiece circumferencial direction, a plurality of increment types extruding rolling composite forming dies are installed in this technique, the workpiece axial feed, theoretical reference circle is tangent with the reference circle of mould all the time, meets the basic principle of spline gear engagement, and mould highly versatile, life-span are long.This technique is owing to belonging to increment type extruding rolling combined shaping in addition, and shaping axial force conventional spline technique for rolling relative to rolling power greatly descends.On the shaping characteristic of spline, the workpiece profile of tooth produces due to radial plastic deformation accumulative total, and precision is higher, the spline flank of tooth exist residual compressive stress and the metal structure fiber intensive, thereby the spline fatigue resistance is higher, surface quality and serviceability are better.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art part, the object of the present invention is to provide a kind of spline incremental type extrusion rolling composite forming machine, there is manufacture, install simply, complete machine structure intensity is high, good reliability, the advantage that stability is high, easy to operate.
In order to achieve the above object, the technical solution used in the present invention is:
A kind of spline incremental type extrusion rolling composite forming machine, comprise the rolling tank module, strain closed lathe bed, axial feeding system, rolling casing 2 in the rolling tank module is fixing with base 1, the connecting hole at rolling casing 2 bottoms and top is respectively by fastening round nut 9 and pull bar 10 and base 1, front stall 15 forms the closed lathe bed of tension, front hydraulic cylinder 16 in axial feeding system is fixed on the front stall 15 of the closed lathe bed of tension, rear hydraulic cylinder 4 is fixed on the back seat 6 of the closed lathe bed of tension, round guide 13 is arranged on the closed lathe bed of tension by round guide seat 12 and round guide sleeve 17,
The rolling tank module comprises rolling work box I and gear II two parts, rolling casing 2 and 7 sealings of rolling case lid in the rolling tank module.
The closed lathe bed of described tension comprises base 1, fastening round nut 9, pull bar 10, front stall 15 is fixed on the place ahead of base 1, back seat 6 is fixed on the rear of base 1, rolling casing 2 in the rolling tank module is arranged on the middle rear of base 1, round guide seat 12 is arranged on rolling casing 2, and the connecting hole at rolling casing 2 bottoms and top is connected with the connecting hole at front stall 15 bottoms and top respectively with pull bar 10 by fastening round nut 9.
Described axial feeding system comprises front hydraulic cylinder 16 and rear hydraulic cylinder 4; front hydraulic cylinder 16 is arranged on the front stall 15 of the closed lathe bed of tension; round guide 13 is arranged on the round guide seat 12 and round guide sleeve 17 on the closed lathe bed of tension; slide 14 is arranged on round guide 13; and be connected with front hydraulic cylinder 16; front top 20 are arranged on slide 14, and mould spline integrated top 25 is arranged on rear hydraulic cylinder 4 by bearing block 24, and rear hydraulic cylinder 4 is arranged on the back seat 6 of the closed lathe bed of tension.
The present invention has the following advantages:
1, the present invention adopts modularization knot design philosophy, and the design of rolling tank module absolute construction is convenient manufactures and install.
2, adopt the closed lathe bed of tension in the present invention, offset the effect of part rolling power to lathe bed, improved complete machine structure intensity, good reliability.
3, the axial feeding system that adopts the front and back hydraulic cylinder to form in the present invention, simple in structure, simple to operate, good stability.
The accompanying drawing explanation
Fig. 1 is front axonometric drawing of the present invention.
Fig. 2 is rear axle mapping of the present invention.
Fig. 3 is axonometric drawing before rolling tank module of the present invention.
Fig. 4 is machine rolling tank module rear axle mapping of the present invention.
Fig. 5 is rolling tank module front view of the present invention.
Fig. 6 is that the present invention strains the front axonometric drawing of closed lathe bed.
Fig. 7 is that the present invention strains closed lathe bed rear axle mapping.
Fig. 8 is axial feeding system axonometric drawing of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
With reference to Fig. 1, Fig. 2, a kind of spline incremental type extrusion rolling composite forming machine, comprise the rolling tank module, strain closed lathe bed, axial feeding system, rolling casing 2 in the rolling tank module is fixing with base 1 by the first connecting bolt 3, the connecting hole at rolling casing 2 bottoms and top is respectively by fastening round nut 9 and pull bar 10 and base 1, front stall 15 forms the closed lathe bed of tension, front hydraulic cylinder 16 in axial feeding system is fixed on the front stall 15 of the closed lathe bed of tension by the 5th connecting bolt 22, rear hydraulic cylinder 4 is fixed on the back seat 6 of the closed lathe bed of tension by the second connecting bolt 5, round guide 13 is arranged on the closed lathe bed of tension by round guide seat 12 and round guide sleeve 17.
With reference to Fig. 3, Fig. 4, Fig. 5, the rolling tank module is divided into rolling work box I and gear II two parts, rolling casing 2 in the rolling tank module seals by the 3rd connecting bolt 8 and rolling case lid 7, and is fixed on the closed lathe bed of tension by the first connecting bolt 3.
With reference to Fig. 1, Fig. 2, Fig. 6, Fig. 7, the closed lathe bed of described tension comprises base 1, fastening round nut 9, pull bar 10, front stall 15 is fixed on the place ahead of base 1 by the 4th connecting bolt 18, back seat 6 is fixed on the rear of base 1 by the 6th connecting bolt 23, rolling casing 2 in the rolling tank module is arranged on the middle rear of base 1 by the first connecting bolt 3, round guide seat 12 is arranged on rolling casing 2 by the first screw 11, the connecting hole at rolling casing 2 bottoms and top is connected with the connecting hole at front stall 15 bottoms and top respectively with pull bar 10 by fastening round nut 9.
With reference to Fig. 1, Fig. 2, Fig. 8, described axial feeding system comprises front hydraulic cylinder 16 and rear hydraulic cylinder 4, front hydraulic cylinder 16 is arranged on the front stall 15 of the closed lathe bed of tension by the 5th connecting bolt 22, round guide 13 is arranged on the round guide seat 12 and round guide sleeve 17 on the closed lathe bed of tension, slide 14 is arranged on round guide 13, and be connected with front hydraulic cylinder 16 by the second screw 19, front top 20 are arranged on slide 14, mould spline integrated top 25 is arranged on rear hydraulic cylinder 4 by bearing block 24, rear hydraulic cylinder 4 is arranged on the back seat 6 of the closed lathe bed of tension by the second connecting bolt 5.
In the present invention, adopt the thought of modularized design for the rolling tank module, independent from complete machine, by the first connecting bolt 3, be fixed on the base 1 of complete machine again, the convenient manufacture and installation, and the rolling tank module is divided into rolling work box I and gear II two parts, simple in structure, complete function.In addition by base 1, rolling casing 2, fastening round nut 9, pull bar 10 and front stall 15, form the closed lathe bed of tension in complete machine, apply pretension power by pull bar 10 by fastening round nut 9 on rolling casing 2 and front stall 15, in axial feeding system, by front hydraulic cylinder 16, rear hydraulic cylinder 4 is by front top 20, integrated top 25 clampings that complete workpiece 21 of mould spline, again by front hydraulic cylinder 16, the back pressure effect promotion slide 14 that rear hydraulic cylinder 4 is combined to form and workpiece 21 move along the axial direction of round guide 13, complete the feeding of workpiece 21 and release action, with reference in Fig. 8 shown in arrow.
Claims (3)
1. a spline incremental type extrusion rolling composite forming machine, comprise the rolling tank module, strain closed lathe bed, axial feeding system, it is characterized in that: the rolling casing (2) in the rolling tank module is fixing with base (1), the connecting hole at rolling casing (2) bottom and top is respectively by fastening round nut (9) and pull bar (10) and base (1), front stall (15) forms the closed lathe bed of tension, front hydraulic cylinder (16) in axial feeding system is fixed on the front stall (15) of the closed lathe bed of tension, rear hydraulic cylinder (4) is fixed on the back seat (6) of the closed lathe bed of tension, round guide (13) is arranged on the closed lathe bed of tension by round guide seat (12) and round guide sleeve (17),
The rolling tank module is divided into rolling work box (I) and gear (II) two parts, the rolling casing (2) in the rolling tank module and rolling case lid (7) sealing.
2. a kind of spline incremental type extrusion rolling composite forming machine according to claim 1, it is characterized in that: the closed lathe bed of described tension comprises base (1), fastening round nut (9), pull bar (10), front stall (15) is fixed on the place ahead of base (1), back seat (6) is fixed on the rear of base (1), rolling casing (2) in the rolling tank module is arranged on the middle rear of base (1), round guide seat (12) is arranged on rolling casing (2), the connecting hole at rolling casing (2) bottom and top is connected with the connecting hole at top with front stall (15) bottom respectively with pull bar (10) by fastening round nut (9).
3. a kind of spline incremental type extrusion rolling composite forming machine according to claim 1, it is characterized in that: described axial feeding system comprises front hydraulic cylinder (16), rear hydraulic cylinder (4), workpiece (21), round guide (13), front hydraulic cylinder (16) is arranged on the front stall (15) of the closed lathe bed of tension, round guide (13) is arranged on the round guide seat (12) and round guide sleeve (17) on the closed lathe bed of tension, slide (14) is arranged on round guide (13), and be connected with front hydraulic cylinder (16), front top (20) are arranged on slide (14), mould spline integrated top (25) is arranged on rear hydraulic cylinder (4) by bearing block (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104334953A CN102527797B (en) | 2011-12-16 | 2011-12-16 | Spline incremental type extrusion rolling composite forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104334953A CN102527797B (en) | 2011-12-16 | 2011-12-16 | Spline incremental type extrusion rolling composite forming machine |
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| Publication Number | Publication Date |
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| CN102527797A CN102527797A (en) | 2012-07-04 |
| CN102527797B true CN102527797B (en) | 2013-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011104334953A Active CN102527797B (en) | 2011-12-16 | 2011-12-16 | Spline incremental type extrusion rolling composite forming machine |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106256460B (en) * | 2016-09-23 | 2018-06-12 | 西安建筑科技大学 | A kind of involute gear rolling die and forming technology |
| CN112893721B (en) * | 2021-01-15 | 2022-03-22 | 西安交通大学 | Differential type planetary roller screw nut split die roll forming device and process |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3982415A (en) * | 1975-01-02 | 1976-09-28 | Anderson-Cook, Inc. | Forming method and machine for splining power transmission members |
| SU695749A1 (en) * | 1975-12-22 | 1979-11-05 | Саратовский политехнический институт | Head for rolling -on splined articles |
| CN2114520U (en) * | 1992-01-31 | 1992-09-02 | 吴钟群 | Rolling shaping open type power head for multi head screw steel |
| CN2810814Y (en) * | 2005-06-23 | 2006-08-30 | 陈传为 | Tubular screw bolt rolling mill |
| CN101439384B (en) * | 2007-11-20 | 2011-03-23 | 神龙汽车有限公司 | Technique for rolling multiple-variety multiple-station spline threaded shaft |
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