CN102494720B - Rotary powder rolling extrusion forming test device - Google Patents
Rotary powder rolling extrusion forming test device Download PDFInfo
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- CN102494720B CN102494720B CN201110412898.XA CN201110412898A CN102494720B CN 102494720 B CN102494720 B CN 102494720B CN 201110412898 A CN201110412898 A CN 201110412898A CN 102494720 B CN102494720 B CN 102494720B
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- rotor
- pressure roller
- set collar
- torsion
- ring mould
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Abstract
The invention discloses a rotary powder rolling extrusion forming test device, which comprises a die roller main shaft system unit, a sectional torque test unit, a transmission system unit and a vibrating noise test unit, wherein the die roller main shaft system unit comprises a ring die, a pressing roller, a ring die fixing ring, a pressing roller supporting shaft, a pressing roller fixing ring and a main shaft; the sectional rotor unit comprises a first coupling, a front rotor, a torque test shaft, a rear rotor and a second coupling; the transmission system unit comprises a rear support frame, a gearwheel, a gear shaft, a third coupling and a variable frequency motor; and the vibrating noise test unit comprises a noise sensor, a noise sensor support frame, an acceleration sensor, an acceleration sensor support frame and a front support frame. Because a three-section split design is adopted in the rotor, the technical problem that the torque test of the conventional granulator is inaccurate is solved; and because the support frames special for the vibration and noise sensors are designed, the sensors are fixed accurately and conveniently, and the reliability and the accuracy of the test data are increased.
Description
Technical field
The present invention is applied to feed manufacturing machine field and biomass energy technology field, particularly a kind of rotary powder rolling extrusion forming test device.
Background technology
Rotary powder rolling extrusion forming technology claims again ring die pelletizing technology, is widely used in feed manufacturing machine, biomass energy machinery and field of pharmaceutical machinery, has production efficiency high, the advantages such as ratio of briquetting height.The research of relevant ring die pelletizing technology is a lot of both at home and abroad, relate to the research of throughput rate, the research of energy consumption, the research of shaped granule quality etc., but the problem existing is at present also there is no rotary powder rolling extrusion forming test device both at home and abroad, correlation test is all carried out on existing ring die pelleter product, testing experiment is very inconvenient, test result poor accuracy not only, and can only test for specific type configuration, can not set up the basic data of system at all, this has brought very big difficulty to the optimal design of ring die pelleter, the design of associated components mostly by virtue of experience, ring die pelleter performance is not in full use.
Consult domestic and foreign literature, there are no the patented claim of rotary powder rolling extrusion forming test device aspect; In periodical literature, there is a small amount of relevant report: the people such as the Jens K. Holm of Technical University Of Denmark have used biomass powder extrusion molding testing machine to carry out some powder squeeze tests, testing machine as shown in Figure 1, it is characterized in that encircling nib is straight hole, load when reometer is housed with observation extruding on motor; Jens K. Holm has also adopted the test unit shown in Fig. 2 to test, and this device can carry out the single hole extrusion simulation test of powder; Domestic Wu Jingfeng has also adopted the testing machine of similar Fig. 2 to carry out the test of powder extrusion molding.Test unit shown in Fig. 1 can only carry out current loading observation, function singleness; Test unit shown in Fig. 2 is simulation test device, differs greatly with real rotary powder rolling extrusion forming process.
Summary of the invention
The object of the present invention is to provide a kind of rotary powder rolling extrusion forming test device, for rotary powder rolling extrusion forming engineer testing, this device can be tested, test vibration, noise, moment of torsion under different material, different rings mould, pressure roller configuration easily and accurately, for setting up the optimal design of basic database and rotary powder rolling extrusion forming equipment, provides direct basis.
The technical solution that realizes the object of the invention is: a kind of rotary powder rolling extrusion forming test device, comprise mould roller axis system unit, sectional type torsion-testing unit, kinematic train unit and vibration and noise test unit four parts, wherein, mould roller axis system unit comprises ring mould, pressure roller, ring mould set collar, pressure roller bolster, pressure roller set collar, main shaft; Sectional type rotor unit comprises the first shaft coupling, front rotor, torsion-testing axle, rear rotor, the second shaft coupling; Kinematic train unit comprises rear support stand, gear wheel, gear shaft, the 3rd shaft coupling, variable-frequency motor; Vibration and noise test unit comprises noise transducer, noise transducer bracing frame, acceleration transducer, acceleration transducer bracing frame, front support stand;
Ring mould is fixed on ring mould set collar, and this ring mould set collar is fixed on front rotor, front rotor by bearings on front support stand; Pressure roller is fixed on pressure roller bolster by bearing, and this pressure roller bolster is fixed on pressure roller set collar; Front rotor is connected by the first shaft coupling with torsion-testing axle, and torsion-testing axle is connected by the second shaft coupling with rear rotor; Gear wheel is connected with rear rotor by key, and this rear rotor is by bearings on rear support stand, and gear shaft is by bearings on rear support stand, and gear wheel and gear shaft mesh, and gear shaft is connected with variable-frequency motor by the 3rd shaft coupling; Noise transducer is arranged on noise transducer bracing frame, and acceleration transducer is arranged on acceleration transducer bracing frame, and noise transducer bracing frame and acceleration transducer bracing frame are all fixed on front support stand; Described pressure roller set collar is connected with one end of main shaft, and this main shaft, through front rotor, torsion-testing axle and rear rotor, passes through bearings between main shaft and front rotor, rear rotor.
The present invention compared with prior art, its remarkable advantage: (1) rotor has carried out three sections of split designs, between front rotor, rear rotor, designed torsion-testing axle, owing to having reserved enough operating spaces, the stickup of foil gauge can be more accurately, conveniently, and front rotor, the rear rotor supports good rigidly of connection torsion-testing axle, make torsion-testing axle only be subject to torque influence, greatly increase reliability and the accuracy of torsion-testing, solved the inaccurate technical barrier of current granulator torsion-testing; (2) designed vibration, noise transducer special-purpose supporting frame, fixing of sensing station is accurate, convenient, has increased reliability and the accuracy of test data; (3) design seriation ring mould set collar and pressure roller set collar, this experimental provision can be tested ring mould, the pressure roller of difference configuration, expanded function and the scope of this test unit, solved the drawback of current granulator test special computer for special use.
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is biomass powder extrusion molding testing machine in prior art.
Fig. 2 is powder single hole extrusion molding testing machine in prior art.
Fig. 3 is rotary powder rolling extrusion forming test device structural representation.
Fig. 4 is pressure roller set collar series parts schematic diagram.Fig. 4 (a), 4 (b), 4 (c) are 3 pressure roller set collar series parts, all identical with the size A of main shaft stiff end, and change with the variation of pressure roller size with the size B of pressure roller bolster stiff end, are respectively B1, B2, B3.
Fig. 5 is ring mould set collar series parts schematic diagram.Fig. 5 (a), 5 (b), 5 (c) are 3 ring mould set collar series parts, all identical with the size C of front rotor stiff end, and change with the variation that encircles mould size with the dimension D of ring mould stiff end, are respectively D1, D2, D3.
The ingredient of Reference numeral and representative thereof is: 1 ring mould, 2 pressure rollers, 3 ring mould set collars, 4 pressure roller bolsters, 5 pressure roller set collars, 6 main shafts, 7 first shaft couplings, 8 front rotors, 9 torsion-testing axles, 10 foil gauges, 11 rear rotors, 12 second shaft couplings, 13 rear support stands, 14 gear wheels, 15 gear shafts, 16 the 3rd shaft couplings, 17 variable-frequency motors, 18 noise transducers, 19 noise transducer bracing frames, 20 acceleration transducers, 21 acceleration transducer bracing frames, 22 front support stands.
Embodiment
In conjunction with Fig. 3, rotary powder rolling extrusion forming test device of the present invention, comprise mould roller axis system unit, sectional type torsion-testing unit, kinematic train unit and vibration and noise test unit four parts, wherein, mould roller axis system unit comprises ring mould 1, pressure roller 2, ring mould set collar 3, pressure roller bolster 4, pressure roller set collar 5, main shaft 6; Sectional type rotor unit comprises the first shaft coupling 7, front rotor 8, torsion-testing axle 9, rear rotor 11, the second shaft coupling 12; Kinematic train unit comprises rear support stand 13, gear wheel 14, gear shaft 15, the 3rd shaft coupling 16, variable-frequency motor 17; Vibration and noise test unit comprises noise transducer 18, noise transducer bracing frame 19, acceleration transducer 20, acceleration transducer bracing frame 21, front support stand 22;
Ring mould 1 is fixed on ring mould set collar 3, and this ring mould set collar 3 is fixed on front rotor 8, front rotor 8 by bearings on front support stand 22; Pressure roller 2 is fixed on pressure roller bolster 4 by bearing, and this pressure roller bolster 4 is fixed on pressure roller set collar 5; Front rotor 8 is connected by the first shaft coupling 7 with torsion-testing axle 9, and torsion-testing axle 9 is connected by the second shaft coupling 12 with rear rotor 11; Gear wheel 14 is connected with rear rotor 11 by key, this rear rotor 11 by bearings on rear support stand 13, gear shaft 15 is by bearings on rear support stand 13, and gear wheel 14 passes through the 3rd shaft coupling 16 and is connected with variable-frequency motor 17 with gear shaft 15 engagements, gear shaft 15; Noise transducer 18 is arranged on noise transducer bracing frame 19, and acceleration transducer 20 is arranged on acceleration transducer bracing frame 21, and noise transducer bracing frame 19 is all fixed on front support stand 22 with acceleration transducer bracing frame 21; Described pressure roller set collar 5 is connected with one end of main shaft 6, and this main shaft 6, through front rotor 8, torsion-testing axle 9 and rear rotor 11, passes through bearings between main shaft 6 and front rotor 8, rear rotor 11.
The present invention, when by torsion-testing axle 9 test moment of torsion, is attached to foil gauge 10 on torsion-testing axle 9, these foil gauge 10 access electric bridge and torque signal wireless launchers.
In conjunction with Fig. 5, the present invention arranges ring mould set collar 3 between ring mould 1 and front rotor 8, and this ring mould set collar 3 is designed to seriation, and measure-alike with front rotor 8 stiff ends changes with the variation that encircles mould size with the size of encircling mould 1 stiff end.
In conjunction with Fig. 4, pressure roller set collar 5 of the present invention is designed to seriation, and measure-alike with main shaft 6 stiff ends changes with the variation with pressure roller size of the size of pressure roller bolster 4 stiff ends.
The present invention, in order to realize the accurate, convenient of torsion-testing, has carried out three sections of splits designs to rotor, and rotor is comprised of front rotor, rear rotor, torsion-testing axle three parts, and by shaft coupling, torsion-testing axle is connected with front rotor, rear rotor.In order to realize the accurate, convenient of noise testing, in the upper end of rotor front support stand, designed noise transducer bracing frame steady noise sensor.In order to realize the accurate, convenient of vibration acceleration test, in the lower end of rotor front support stand, designed fixedly acceleration transducer of acceleration transducer bracing frame.In order realizing under different rotating speeds, to test, to have designed the rotating speed step-less adjustment kinematic train due to variable-frequency motor and gear train assembly composition.In order to realize under different ring moulds, pressure roller configuration, test, between ring mould and rotor, designed ring mould set collar, this set collar has adopted Seriation Design: ring mould set collar is all identical in the size of rotor stiff end, and changes with the variation that encircles mould size in the size of ring mould stiff end; Pressure roller set collar has also carried out Seriation Design: pressure roller set collar is all identical with the size of main shaft stiff end, changes with the variation with pressure roller size of the size of pressure roller bolster stiff end.
During test, noise transducer, acceleration transducer are installed on to special-purpose supporting frame, by moment of torsion special test strain gauge adhesion at torsion-testing axle, configure different ring moulds, pressure roller, ring mould set collar, pressure roller set collar, select different rotating speeds can test the basic datas such as corresponding noise, vibration, moment of torsion.
Torsion-testing process of the present invention is: torsion-testing foil gauge 10 is pasted on to torsion-testing axle 9, configures as required different ring moulds 1, pressure roller 2, and according to ring mould, the corresponding ring of pressure roller configuration mould set collar 3, pressure roller set collar 5; Ring mould 1 is bolted on ring mould set collar 3, and ring mould set collar 3 is bolted on front rotor 8; Pressure roller 2 is fixed on pressure roller bolster 4 by bearing, and pressure roller bolster 4 is threaded connection and is fixed on pressure roller set collar 5, and pressure roller set collar 5 is connected by screw thread with main shaft 6.During test, open motor power, set as required variable-frequency motor frequency, to in torsion-testing foil gauge 10 access electric bridges and torque signal wireless launcher figure, not represent, can be commercial, when material enters behind ring mold pressing roll gap, can, by not representing in the special-purpose receiving system figure of torque signal, can commercially carry out test and the analysis of torque signal.
Noise testing process of the present invention is: configure as required different ring moulds 1, pressure roller 2, and according to ring mould, the corresponding ring of pressure roller configuration mould set collar 3, pressure roller set collar 5; Ring mould 1 is bolted on ring mould set collar 3, and ring mould set collar 3 is bolted on front rotor 8; Pressure roller 2 is fixed on pressure roller bolster 4 by bearing, and pressure roller bolster 4 is threaded connection and is fixed on pressure roller set collar 5, and pressure roller set collar 5 is connected by screw thread with main shaft 6.During test, open motor power, set as required variable-frequency motor frequency, noise testing sensor 18 is installed on to noise transducer bracing frame 19, and do not represent in access of virtual instrument figure, can be commercial, when material enters behind ring mold pressing roll gap, can carry out by virtual instrument test and the analysis of noise signal.
The process of acceleration test of the present invention is: configure as required different ring moulds 1, pressure roller 2, and according to ring mould, the corresponding ring of pressure roller configuration mould set collar 3, pressure roller set collar 5; Ring mould 1 is bolted on ring mould set collar 3, and ring mould set collar 3 is bolted on front rotor 8; Pressure roller 2 is fixed on pressure roller bolster 4 by bearing, and pressure roller bolster 4 is threaded connection and is fixed on pressure roller set collar 5, and pressure roller set collar 5 is connected by screw thread with main shaft 6.During test, open motor power, set as required variable-frequency motor frequency, degree of will speed up testing sensor 20 is installed on acceleration transducer bracing frame 21, and do not represent in access of virtual instrument figure, can be commercial, when material enters behind ring mold pressing roll gap, can carry out by virtual instrument test and the analysis of acceleration signal.
Torsion-testing, noise testing, acceleration test can carry out separately according to above-mentioned embodiment, also can synchronously carry out.
Claims (4)
1. a rotary powder rolling extrusion forming test device, it is characterized in that comprising mould roller axis system unit, sectional type torsion-testing unit, kinematic train unit and vibration and noise test unit four parts, wherein, mould roller axis system unit comprises ring mould (1), pressure roller (2), ring mould set collar (3), pressure roller bolster (4), pressure roller set collar (5), main shaft (6); Sectional type rotor unit comprises the first shaft coupling (7), front rotor (8), torsion-testing axle (9), rear rotor (11), the second shaft coupling (12); Kinematic train unit comprises rear support stand (13), gear wheel (14), gear shaft (15), the 3rd shaft coupling (16), variable-frequency motor (17); Vibration and noise test unit comprises noise transducer (18), noise transducer bracing frame (19), acceleration transducer (20), acceleration transducer bracing frame (21), front support stand (22);
It is upper that ring mould (1) is fixed on ring mould set collar (3), and this ring mould set collar (3) is fixed on front rotor (8) and goes up, front rotor (8) by bearings on front support stand (22); It is upper that pressure roller (2) is fixed on pressure roller bolster (4) by bearing, and this pressure roller bolster (4) is fixed on pressure roller set collar (5); Front rotor (8) is connected by the first shaft coupling (7) with torsion-testing axle (9), and torsion-testing axle (9) is connected by the second shaft coupling (12) with rear rotor (11); Gear wheel (14) is connected with rear rotor (11) by key, this rear rotor (11) by bearings on rear support stand (13), gear shaft (15) by bearings on rear support stand (13), gear wheel (14) and gear shaft (15) engagement, gear shaft (15) is connected with variable-frequency motor (17) by the 3rd shaft coupling (16); Noise transducer (18) is arranged on noise transducer bracing frame (19), it is upper that acceleration transducer (20) is arranged on acceleration transducer bracing frame (21), and noise transducer bracing frame (19) is all fixed on front support stand (22) with acceleration transducer bracing frame (21); Described pressure roller set collar (5) is connected with one end of main shaft (6), and this main shaft (6) is through front rotor (8), torsion-testing axle (9) and rear rotor (11), and main shaft (6) and front rotor (8), rear rotor pass through bearings between (11).
2. rotary powder rolling extrusion forming test device according to claim 1, it is characterized in that, when by torsion-testing axle (9) test moment of torsion, foil gauge (10) is attached to torsion-testing axle (9) upper, this foil gauge (10) access electric bridge and torque signal wireless launcher.
3. rotary powder rolling extrusion forming test device according to claim 1, it is characterized in that, between ring mould (1) and front rotor (8), described ring mould set collar (3) is set, this ring mould set collar (3) is designed to seriation, measure-alike with front rotor (8) stiff end, changes with the variation with ring mould size of the size of ring mould (1) stiff end.
4. rotary powder rolling extrusion forming test device according to claim 1, it is characterized in that, pressure roller set collar (5) is designed to seriation, and measure-alike with main shaft (6) stiff end changes with the variation with pressure roller size of the size of pressure roller bolster (4) stiff end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110412898.XA CN102494720B (en) | 2011-12-13 | 2011-12-13 | Rotary powder rolling extrusion forming test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110412898.XA CN102494720B (en) | 2011-12-13 | 2011-12-13 | Rotary powder rolling extrusion forming test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102494720A CN102494720A (en) | 2012-06-13 |
| CN102494720B true CN102494720B (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110412898.XA Expired - Fee Related CN102494720B (en) | 2011-12-13 | 2011-12-13 | Rotary powder rolling extrusion forming test device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103983390B (en) * | 2014-05-09 | 2015-12-30 | 南京理工大学 | Rotary powder extruding pelletizing forming mechanics parameter measurement mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4953276A (en) * | 1989-07-21 | 1990-09-04 | Keystone International Holdings Corp. | Apparatus for inserting valve seats in valve bodies |
| CN2810734Y (en) * | 2005-08-10 | 2006-08-30 | 无锡垣内机械有限公司 | Dual-ring die type granulating machine |
| CN201140539Y (en) * | 2007-11-08 | 2008-10-29 | 刘永定 | Ring-mould extrusion moulding machine |
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Granted publication date: 20140326 Termination date: 20191213 |