CN101898223A - Rolling and molding device of blank roller pair - Google Patents
Rolling and molding device of blank roller pair Download PDFInfo
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- CN101898223A CN101898223A CN 201010169405 CN201010169405A CN101898223A CN 101898223 A CN101898223 A CN 101898223A CN 201010169405 CN201010169405 CN 201010169405 CN 201010169405 A CN201010169405 A CN 201010169405A CN 101898223 A CN101898223 A CN 101898223A
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- roller
- logarithm
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- rolling
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Abstract
The invention discloses a rolling and molding device of a blank roller pair, comprising a fixed template, a motion template and a push rod, wherein the push rod is in rolling connection with the motion template; and a cavity rolling rail groove for extruding a logarithmic roller blank to be processed is formed between the fixed template and the motion template. The molding of the roller blank is decided by the shape of the cavity of the templates, and the rolling and molding device has relative consistency and stability.
Description
Technical field
The present invention relates to a kind of logarithm blank roller, particularly a kind of roll forming device of logarithm blank roller.
Background technology
The roller that bearing is used is cylinder and conical bearing are matched trap by the requirement of its design and actual fit dimension a fundamental parts.At present in third generation bearing products, particularly possess in high speed that special high-tech requires, high accuracy, the large-sized senior bearing at great majority, it cooperates the profile bus of roller to be designed and to have made logarithm shape curve-like and finish exigent smooth the connection with two chamfers, its purpose is to increase substantially the profile of bearing roller and bearing inner and outer ring and the precision that size is complementary, reduce friction and eliminate vibrations, both can reduce maintenance cost, improve the service life of bearing products again greatly.But, at present existing main roller is made the still technology of inherit traditional of industry, its profile bus still is the technological deficiency of straight line to roller manufacturing means in blank roller machine-shaping stage process according to still not overcoming, and must tentatively reach the curve shape of roller shape requirement through the lathe chamfer machining.After workpiece quenches, need through multiple working procedure repeatedly after the grinding machine processing, recombinant microstoning operation is finished the profile logarithm shape of roller.The subject matter of its existence is: one, the symmetry of roller two ends lathe chamfering is to the very big influence of accuracy influence of the logarithm contour curve of workpiece, and the technology connecting is poor, must have influence on the accuracy requirement of roller profile; Two, roller adds man-hour at grinding machine, it between its surface and grinder wheel horizontal grinding, what produce also is cross cutting silk stream, this with roller in bearing under the duty longitudinal stress direction just in time opposite, these crosscut silks flow the roller operating accuracy and very adverse influence are arranged service life; Three, repeatedly after the grinding, its surface aggregation stress is tensile stress to roller surface through multiple tracks, and this will reduce the service life of bearing roller; Four, the operation anabolic process is long, complex process, and the specification requirement height, the factor that influences product quality is many, and link is lengthy and tedious, is unfavorable for control of product quality and reduces manufacturing cost.
Summary of the invention
Technical problem to be solved by this invention provides a kind of roll forming device of logarithm blank roller, and it has relative uniformity and stability by the moulding of the cavity shape decision blank roller of template.
For solveing the technical problem, a kind of roll forming device of logarithm blank roller, it is characterized in that, it comprises fixed form, motion template and stick pusher, stick pusher rolls with the motion template and is connected, and forms a chamber roll extrusion rail groove to logarithm blank roller spare extruding to be processed between fixed form and the motion template.
Preferably, the front shape of described motion template is circular.
Positive progressive effect of the present invention is: logarithm blank roller spare one, to be processed is by fixed form and motion template rolling extrusion molding, master plate realizes that the symmetry of two chamferings and the smooth of bus are connected, the die cavity roll extrusion rail groove shape of template has determined the surface curve profile of blank roller, has guaranteed that the logarithm roller workpiece that processes through roll forming has goodish uniformity and stability; Two, logarithm roller roll forming and the extrusion process silk stream that produces is longitudinally between its surface and template in being subjected to template rolling forming process, this with roller in bearing under the duty longitudinal stress direction be identical, these vertically silk stream to the roller operating accuracy with all have service life very advantageously; Three, roller logarithmic curve surface replaces traditional grinding machine processing technology through microstoning technology, and its surface curve precision improves greatly; Four, because the logarithm roller is to adopt the cold working rolling forming, the surface of roller blank forms the compacted zone of 0.1-0.2mm owing to roll extrusion, this will increase the hardness on bearing roller surface, and metal texture is along the shape of bus and constantly, this can improve the service life of logarithm roller greatly; Five, blank roller rolling forming technology and technology, not only omitted logarithm roller lathe chamfer angle technique in sharp processing, but also saved most of grinding machine processing technology, mainly replaced heat processing technique with cold working, simplified processing process, shorten technical process, reduced workpiece manufacture cost.
Description of drawings
Fig. 1 is the structural representation of the roll forming device of blank roller of the present invention.
Fig. 2 carries out the machining principle schematic diagram for the present invention to logarithm blank roller spare to be processed.
The vertical view that Fig. 3 processes logarithm blank roller spare to be processed for the present invention.
The specific embodiment
Lift a preferred embodiment below, and come the clearer the present invention that intactly illustrates in conjunction with the accompanying drawings.
As shown in Figure 1 to Figure 3, the roll forming device of logarithm blank roller of the present invention comprises fixed form 1, motion template 2 and stick pusher 3, stick pusher 3 rolls with motion template 2 and is connected, the front shape of motion template 2 is circular, form a die cavity roll extrusion rail groove 5 between fixed form 1 and the motion template 2, after stick pusher 3 carries out arrangement in place with logarithm blank roller spare to be processed 4, again logarithm blank roller spare 4 to be processed is arranged according to the order of sequence the die cavity roll extrusion rail groove 5 that pushes successively between fixed form 1 and the motion template 2, logarithm blank roller spare 4 to be processed is extruded from discharging opening with the rotation of motion template 2, after form logarithm roller 6 after the rolling and processing.The unidirectional shape of carving that die cavity roll extrusion rail groove has formed on half cycle changes, because the continuous rotation of motion template 2, logarithm blank roller spare to be processed moves along the orbital path of die cavity roll extrusion rail groove, make logarithm blank roller spare to be processed when die cavity roll extrusion rail groove is done star trails motion counterclockwise, roll from experiencing and to make clockwise direction and rotate, be subjected to evenly to push the gradual change moulding by pure rolling unidirectional the carving in the shape die cavity roll extrusion rail groove of half cycle.After logarithm roller product after finishing the bundle pressure operation processing of whole road produces die cavity roll extrusion rail groove one by one, fall into automatically in the product collection spare storehouse, finish whole machining processes by discharging opening.
Wherein, fixed form possesses very high mechanical strength and case hardness, requiring to be configured according to predetermined design through the special inner edge shaped form face that shapes, also is the decision roller forms the accurate profile of surperficial logarithm after die cavity roll extrusion rail groove is squeezed roll forming key element.The motion template possesses very high mechanical strength and case hardness, requiring to be configured according to predetermined design through the special inner edge shaped form face that shapes, also is the decision roller forms the accurate profile of surperficial logarithm after die cavity roll extrusion rail groove is squeezed roll forming key element.The design of the frame for movement of stick pusher is main to be responsible for logarithm blank roller spare to be processed carried out after the arrangement in place it is arranged according to the order of sequence pushing die cavity roll extrusion rail groove successively.
The roll forming device of logarithm blank roller of the present invention is not only applicable to logarithmic cylindrical roller, the logarithmic taper roller of small dimension, is applicable to standard roller, needle roller, the cylinder class machine components of small dimension too.
Though more than described the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, under the prerequisite that does not deviate from principle of the present invention and essence, can make numerous variations or modification to these embodiments.Therefore, protection scope of the present invention is limited by appended claims.
Claims (2)
1. the roll forming device of a logarithm blank roller, it is characterized in that, it comprises fixed form, motion template and stick pusher, and stick pusher rolls with the motion template and is connected, and forms a chamber roll extrusion rail groove to logarithm blank roller spare extruding to be processed between fixed form and the motion template.
2. the roll forming device of logarithm blank roller as claimed in claim 1 is characterized in that, the front shape of described motion template is circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010169405 CN101898223A (en) | 2010-05-07 | 2010-05-07 | Rolling and molding device of blank roller pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010169405 CN101898223A (en) | 2010-05-07 | 2010-05-07 | Rolling and molding device of blank roller pair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101898223A true CN101898223A (en) | 2010-12-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010169405 Pending CN101898223A (en) | 2010-05-07 | 2010-05-07 | Rolling and molding device of blank roller pair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101898223A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106061644A (en) * | 2014-04-21 | 2016-10-26 | 川崎重工业株式会社 | Method for manufacturing preform and axially-symmetric component |
| CN113815064A (en) * | 2021-10-19 | 2021-12-21 | 丰县双兴源木业有限公司 | Plywood compaction device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61177736U (en) * | 1985-04-19 | 1986-11-06 | ||
| CA1264507A1 (en) * | 1984-10-19 | 1990-01-23 | Ludwig Balint | Method of producing bodies of revolution |
| CN2449831Y (en) * | 2000-09-22 | 2001-09-26 | 施永传 | Non-washer screw head making mould |
| CN2460238Y (en) * | 2000-12-20 | 2001-11-21 | 北京北泰汽车工业有限公司 | Axle pin thread rolling device |
| CN201684823U (en) * | 2010-05-07 | 2010-12-29 | 陆锦才 | Roll forming device of paired-roll blank |
-
2010
- 2010-05-07 CN CN 201010169405 patent/CN101898223A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1264507A1 (en) * | 1984-10-19 | 1990-01-23 | Ludwig Balint | Method of producing bodies of revolution |
| JPS61177736U (en) * | 1985-04-19 | 1986-11-06 | ||
| CN2449831Y (en) * | 2000-09-22 | 2001-09-26 | 施永传 | Non-washer screw head making mould |
| CN2460238Y (en) * | 2000-12-20 | 2001-11-21 | 北京北泰汽车工业有限公司 | Axle pin thread rolling device |
| CN201684823U (en) * | 2010-05-07 | 2010-12-29 | 陆锦才 | Roll forming device of paired-roll blank |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106061644A (en) * | 2014-04-21 | 2016-10-26 | 川崎重工业株式会社 | Method for manufacturing preform and axially-symmetric component |
| CN113815064A (en) * | 2021-10-19 | 2021-12-21 | 丰县双兴源木业有限公司 | Plywood compaction device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20101201 |