CN203805108U - Automatic frequency converting amplitude changing vibrating device - Google Patents
Automatic frequency converting amplitude changing vibrating device Download PDFInfo
- Publication number
- CN203805108U CN203805108U CN201420162410.1U CN201420162410U CN203805108U CN 203805108 U CN203805108 U CN 203805108U CN 201420162410 U CN201420162410 U CN 201420162410U CN 203805108 U CN203805108 U CN 203805108U
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- servomotor
- vibrating
- shaft
- automatic frequency
- vibrating device
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Abstract
The utility model particularly relates to an automatic frequency converting amplitude changing vibrating device which comprises servo motors, transmission shafts, couplers, inertia eccentric shafts and a vibrating table, wherein at least two pairs of servo motors, namely four servo motors, of which the rotating speeds are the same and the direction are opposite, are arranged; output shafts of the servo motors are connected with the transmission shafts; the other ends of the transmission shaft are connected with the inertia eccentric shafts through the couplers; the inertia eccentric shafts are fixed below the vibrating table through bearings. The structure is simple, the efficiency is high, energy can be saved, large current impact on heavy load frequent starting of the motors of the nonautomatic frequency converting amplitude changing vibrating system is overcome, and failure and efficiency loss caused by a synchronous gear case or a belt wheel box can be avoided.
Description
Technical field
The utility model is specifically related to a kind of automatic frequency-conversion luffing vibrating device.
Background technology
The core component of concrete small block forming machine is vibratory compaction shaped device, is the vibrative shake table of a kind of energy.On shake table, being placed with supporting plate, is mould (core rod-die cavity, material, pressure head) on supporting plate, produces vibration force make material compacting moulding by shake table.Due to goods different (specification, material, hollow rate, product strengths etc.), make it moulding fast and effectively closely knit, just need a kind of can be according to different requirements, the shake table (amplitude, shake frequently) of different vibration parameters is provided.
Existing vibrating device is mainly by several below:
(1) inertia-type tentering compulsory type shake table frequently surely.The frequency that shakes, amplitude that shake table produces are changeless, divide again synchronously and asynchronous two kinds.The general vibrating bin driving by " motor or hydraulic motor "-belt transmission-" synchronous gear box or directly driving "-inertia eccentric shaft forms.
(2) inertia-type frequency conversion, machinery have a grade luffing vibrational system.By the vibrating bin that " variable-frequency motor or hydraulic motor "-" synchronous gear box or directly driving "-inertia eccentric shaft forms, can manually change or increase quality and the eccentric throw of eccentric block, there is level and adjust amplitude.
(3) mechanical type " automatic frequency-conversion, luffing " vibrational system.The vibrating bin being formed by variable-frequency motor-two-sided-band roller box-servo-cylinder-inertia eccentric shaft.
Wherein, synchronous gear box or band roller box, easily produce a lot of faults, cumbersome in use procedure; The nonautomatic system of inertia-type needs manual operation to realize amplitude adjustment, and the heavily loaded frequent starting of motor easily causes the impact of large electric current like this.
Utility model content
The purpose of this utility model is to provide a kind of automatic frequency-conversion luffing vibrating device and vibration control method thereof, overcomes synchronous gear box or band roller box in existing vibrating device, easily produces a lot of faults; Manual operation amplitude modulation easily produces the problem of heavy current impact.
For this reason, the utility model provides a kind of automatic frequency-conversion luffing vibrating device, comprise servomotor, the output shaft connection for transmission axle of servomotor, the other end of power transmission shaft connects vibrating shaft by shaft coupling, vibrating shaft by bearing be fixed on shake table below and with shake table keeping parallelism in the horizontal direction, on vibrating shaft, be set with eccentric block oscillator, the number of servomotor is even number and has four at least, and middle two servomotors are one group, the servomotor on both sides is one group, two groups of described servomotors distribute side by side, two servomotors in every group synchronously start, rotating speed is identical, opposite direction.。
Said apparatus also comprises electric-control system, described electric-control system by controlling the servo controller of servomotor, the computer control of programming Control information and man-machine control panel form, wherein man-machine control panel connects computer control, and computer control connects servo controller.
Two groups of described servomotors are arranged side by side, and two servomotors in every group synchronously start, rotating speed is identical, opposite direction.
This automatic frequency-conversion luffing vibrating device that the utility model provides, the goods that can require according to different material, different specification size, varying strength, be that the quality of different participation vibration and material volume weight and particle diameter are selected the excitation parameter (exciting force matching with it, excited frequency), make shake table produce shaking frequently and amplitude of optimization, make it moulding and closely knit efficiency and best results (rapid densification).Simple in structure, efficiency is high, energy-conservation, has overcome the heavy current impact of the heavily loaded frequent starting of non-automatic frequency conversion, luffing vibrational system motor, the fault that also there is no synchronous gear box simultaneously or produce with roller box etc.
Below with reference to accompanying drawing, the utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is the utility model overall structure schematic diagram.
Fig. 2 is single servomotor syndeton schematic diagram.
Fig. 3 is the electric-control system figure of servomotor.
Fig. 4 be two groups of motor phase poor be Overlay figure and the force analysis figure of 90 °.
Fig. 5 be two groups of motor phase poor be Overlay figure and the force analysis figure of 180 °.
Fig. 6 be two groups of motor phase poor be Overlay figure and the force analysis figure of 270 °.
Fig. 7 be two groups of motor phase poor be Overlay figure and the force analysis figure of 360 °.
Description of reference numerals: 1, servomotor; 2, power transmission shaft; 3, shaft coupling; 4, vibrating shaft; 5, shake table; 6, eccentric block oscillator.
The specific embodiment
A kind of automatic frequency-conversion luffing vibrating device, as depicted in figs. 1 and 2, comprise servomotor 1, the output shaft connection for transmission axle 2 of servomotor 1, the other end of power transmission shaft 2 connects vibrating shaft 4 by shaft coupling 3, vibrating shaft 4 by bearing be fixed on shake table 5 belows and with shake table 5 keeping parallelism in the horizontal direction, on vibrating shaft 4, be set with eccentric block oscillator 6, the number of servomotor 1 is even number and has four at least, and middle two servomotors 1 are one group, the servomotor 1 on both sides is one group, two groups of described servomotors 1 distribute side by side, two servomotors 1 in every group synchronously start, rotating speed is identical, opposite direction.
Also comprise electric-control system, as shown in Figure 3, described electric-control system by controlling the servo controller of servomotor 1, the computer control of programming Control information and man-machine control panel form, wherein man-machine control panel connects computer control, computer control connects servo controller, and the servo controller here adopts the IMS series of servo controller of Beijing time scientific & technical corporation's production.
A vibration control method that is applicable to described device, comprises the following steps,
Step 1: carry out setting program according to the character that will carry out the material of vibratory compaction moulding on servo controller, in order to control motion state and the time of respectively organizing servomotor 1;
Step 2: start one group of servomotor 1, start to carry out vibratory compaction moulding;
Step 3: under servo controller effect, another group servomotor 1 is started working, and keep with the servomotor 1 in step 2 the phase difference arranging.
In above-mentioned vibration control method, between two groups of servomotors 1, comprise following state:
1, the servomotor 1 of middle groups and the 1 phase phasic difference of the servomotor of both sides group are 90 °, as shown in Figure 4, now the horizontal exciting force of two groups of motor generations can be cancelled out each other and not produce couple, exciting component on vertical direction superposes to produce and is different from the amplitude that two groups of motors work alone and produce, change frequency separately, also can produce different frequency Overlays;
2, the servomotor 1 of middle groups and the 1 phase phasic difference of the servomotor of both sides group are 180 °, as shown in Figure 5, the exciting force opposite sign but equal magnitude that now two groups of motors produce, all the time can cancel out each other, and the couple producing is also cancelled out each other, four servomotor 1 work, but shake table does not vibrate;
3, the servomotor 1 of middle groups and the 1 phase phasic difference of the servomotor of both sides group are 270 °, as shown in Figure 6, the couple that now the horizontal exciting force of two groups of motor generations can cancel out each other and produce is also cancelled out each other, component on vertical direction superposes to produce and is different from the amplitude that two groups of motors work alone and produce, change frequency separately, also can produce different frequency Overlays;
4, the servomotor 1 of middle groups and the 1 phase phasic difference of the servomotor of both sides group are 360 °, as shown in Figure 7, now two groups of motors produce the identical exciting force of equal and opposite in direction direction, integral body superposes, produce maximum exciting force, then generate maximum amplitude, change the frequency of servomotor 1, also can change vibration frequency;
5, the servomotor 1 of middle groups and the servomotor of both sides group 1 other angles of phase phasic difference, the median of the exciting force producing under these angles in above-mentioned four angles, the phase angle that the quality of vibrating according to different participations and material volume weight and particle diameter select two groups of motors to differ.
User can be according to different raw material, piece type, hollow rate, product strength requirement, select vibration parameters (to shake frequently, amplitude), in man-machine interface, set or call, select shaking frequently and amplitude of two groups of parameters (cloth vibration and closely knit vibration), on the man-machine control panel of electric-control system, carrying out the startup of servomotor 1 controls, select the phase difference of two groups of motors, then by servomotor 1, drive power transmission shaft 2, power transmission shaft 2 drives vibrating shaft 4 rotations by shaft coupling 3, vibrating shaft 4 is longitudinally being offset under the effect of eccentric block oscillator 6, then make shake table 5 vibrations, under two groups of servomotor 1 mating reactions, produce required amplitude, 90 ° of two groups of servomotor 1 phase differences, 180 °, 270 ° and 360 ° can produce different Overlays, in equipment operation process, that can control servomotor with servo controller adopts different stacked systems in different time sections, the material that will carry out like this vibratory compaction moulding just can produce good molding effect, and can also realize and not shut down conversion, and by regulating the frequency of servomotor 1 that shake table 5 is moved with certain frequency, so also can realize and under non-stop-machine state, change frequency and amplitude.
More than exemplifying is only to illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, within the every and same or analogous design of the utility model all belongs to protection domain of the present utility model.
Claims (2)
1. at a kind of automatic frequency-conversion luffing vibrating device, comprise servomotor (1), the output shaft connection for transmission axle (2) of servomotor (1), the other end of power transmission shaft (2) connects vibrating shaft (4) by shaft coupling (3), vibrating shaft (4) by bearing be fixed on shake table (5) below and with shake table (5) keeping parallelism in the horizontal direction, on vibrating shaft (4), be set with eccentric block oscillator (6), it is characterized in that: the number of servomotor (1) is even number and has four at least, and middle two servomotors (1) are one group, the servomotor on both sides (1) is one group, described two groups of servomotors (1) distribute side by side, two servomotors (1) in every group synchronously start, rotating speed is identical, opposite direction.
2. automatic frequency-conversion luffing vibrating device as claimed in claim 1, it is characterized in that: also comprise electric-control system, described electric-control system by controlling the servo controller of servomotor (1), the computer control of programming Control information and man-machine control panel form, wherein man-machine control panel connects computer control, and computer control connects servo controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420162410.1U CN203805108U (en) | 2014-04-04 | 2014-04-04 | Automatic frequency converting amplitude changing vibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420162410.1U CN203805108U (en) | 2014-04-04 | 2014-04-04 | Automatic frequency converting amplitude changing vibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203805108U true CN203805108U (en) | 2014-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420162410.1U Expired - Fee Related CN203805108U (en) | 2014-04-04 | 2014-04-04 | Automatic frequency converting amplitude changing vibrating device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203805108U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103909560A (en) * | 2014-04-04 | 2014-07-09 | 西安东方福星机械有限公司 | Automatic variable-frequency variable-amplitude vibrating device and vibration regulation method thereof |
| CN112658222A (en) * | 2020-12-09 | 2021-04-16 | 燕山大学 | Crystallizer vibration device with variable amplitude driven by servo motor |
-
2014
- 2014-04-04 CN CN201420162410.1U patent/CN203805108U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103909560A (en) * | 2014-04-04 | 2014-07-09 | 西安东方福星机械有限公司 | Automatic variable-frequency variable-amplitude vibrating device and vibration regulation method thereof |
| CN103909560B (en) * | 2014-04-04 | 2016-08-17 | 西安东方福星机械有限公司 | A kind of automatic frequency-conversion luffing vibrating device and vibration control method thereof |
| CN112658222A (en) * | 2020-12-09 | 2021-04-16 | 燕山大学 | Crystallizer vibration device with variable amplitude driven by servo motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20170404 |