CN204182578U - Automatic eccentric adjustment vibrator - Google Patents
Automatic eccentric adjustment vibrator Download PDFInfo
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- CN204182578U CN204182578U CN201420627831.7U CN201420627831U CN204182578U CN 204182578 U CN204182578 U CN 204182578U CN 201420627831 U CN201420627831 U CN 201420627831U CN 204182578 U CN204182578 U CN 204182578U
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Abstract
The utility model relates to a kind of eccentric adjustment vibrator automatically, belong to technical field of mechanical equipment, comprise main body, main body arranges axis hole, left eccentric block and right eccentric block are installed in main body both sides, left eccentric block and right eccentric block respectively by the left side bearing pin be arranged on below axis hole and right side pinned connection in main body, the both sides of body top arrange lead respectively, slotted eye is offered in the middle of lead, one end of lead fixing spring, the other end linking springs pressing plate of spring, the two ends of spring bearer plate connect a pull bar respectively, pull bar passes spring and is connected left eccentric block and right eccentric block with after the slotted eye in the middle of lead.The utility model can regulate oscillatory torque automatically according to the size of the speed of mainshaft, thus realizes vibration smooth starting, and the effect of steadily shutting down, reaches energy-efficient object, extend the service life of equipment, decrease the volatilization of dust, improve production efficiency.
Description
Technical field
The utility model relates to a kind of eccentric adjustment vibrator automatically, belongs to technical field of mechanical equipment.
Background technology
Traditional vibrating sieve vibrator is eccentric shaft, and its operation principle is that eccentric shaft produces vibration by the centrifugal force rotated, thus drives vibratory sieve to carry out vibrosieve when motor drives eccentric shaft revolution by belt and belt pulley.But the eccentricity due to eccentric shaft is constant; when starting and shut down because eccentric moment cannot regulate; remain that same amplitude operates; result in the Oscillation Amplitude of vibrating screen classifier when starting and shut down constant; again because load reduces, easily make vibratory sieve strenuous vibration, cause the generation of a large amount of dust; not only contaminated environment, also can aggravate device damage.The patent No. is the exciting device that the patent of CN90220715.6 proposes a kind of eccentric throw and can increase and decrease voluntarily, but two of this device pieces of eccentric blocks are connected with fixed eccentric block by same pivot pin, can produce between two pieces of eccentric blocks when starting and shut down and influence each other, thus vibratory sieve is shaken, simultaneously, two eccentric blocks are directly connected with the spring being connected to spring anchorage bracket, long-time use can cause the gross distortion of spring, affect the service life of equipment, therefore, this device not only not can solve current Problems existing, also can affect the service life of equipment, the operation and maintenance cost of increase equipment.
Utility model content
According to above deficiency of the prior art, problem to be solved in the utility model is: provide a kind of rational in infrastructure, automatically can regulate shaking moment, energy-efficient, operate steadily, long service life, operating cost is low, the automatic eccentric adjustment vibrator that production efficiency is high.
The utility model solves the technical scheme that its technical problem adopts:
Described automatic eccentric adjustment vibrator, comprise main body, main body arranges axis hole, left eccentric block and right eccentric block are installed in main body both sides, left eccentric block and right eccentric block respectively by the left side bearing pin be arranged on below axis hole and right side pinned connection in main body, the both sides of body top arrange lead respectively, slotted eye is offered in the middle of lead, one end of lead fixing spring, the other end linking springs pressing plate of spring, the two ends of spring bearer plate connect a pull bar respectively, and pull bar passes spring and is connected left eccentric block and right eccentric block with after the slotted eye in the middle of lead.
Described automatic eccentric adjustment vibrator changes traditional structure; it is no longer fixing eccentricity structure; but automatically regulate oscillatory torque according to the size of the speed of mainshaft; thus realize vibration smooth starting; the effect of steady shutdown; the loss that the idle vibrations reducing vibratory sieve produce, reaches energy-efficient object, extends the service life of equipment.
Operation principle: main shaft starts to operation process from static, and eccentric block, under the effect of rotary centrifugal force, offsets to one side, symmetrical situation when changing static, is formed eccentric, produces oscillatory torque after producing amount of unbalance, along with the increase of rotating speed, eccentric block is amesiality, and distance is larger, produces amount of unbalance larger, and corresponding generation oscillatory torque increases, thus the effect that formation eccentric vibrating source increases gradually, thus drive vibrating screen classifier smooth starting, until run well, carry out screening operation.On the contrary when shutting down; rotating speed reduces thereupon; eccentric block sets back gradually under the pulling force effect of spring, amount of unbalance is reduced gradually, thus oscillatory torque also reduces thereupon; thus reach rotating speed reduction; vibration source progressively reduces, and makes vibrating screen classifier slowly stop the object vibrating, until stop completely; reach energy-efficient, level and smooth start and stop, when decreasing shutdown, cause the generation of a large amount of dust due to strenuous vibration.
Preferred further, main body is two blocks of steel plates be arranged in parallel, two blocks of steel plates be arranged in parallel are by the integrally welded structure of connecting plate of body top and bottom, and left eccentric block and right eccentric block swing between two pieces of parallel steel plates of main body around left side bearing pin and right side bearing pin respectively.
Preferred further, left eccentric block and right eccentric block arrange balancing weight, increases eccentric moment.
Preferred further, lead is cylindrical, and lead is welded on body top.Lead is placed into inside spring bottom, plays fixing and guide effect to spring, avoids spring that relative position change occurs when resetting.
The beneficial effect that the utility model has is:
Described automatic eccentric adjustment vibrator can make vibratory sieve in start and stop; when load is little; the loss that the idle vibrations reducing vibratory sieve produce, saves motor, extends the service life of equipment; automatically eccentric adjustment device can regulate oscillatory torque automatically according to the size of the speed of mainshaft simultaneously; thus realizing vibration smooth starting, the effect of steadily shutting down, reaches energy-efficient object; decrease the volatilization of dust simultaneously, improve production efficiency.
Accompanying drawing explanation
Structural representation when Fig. 1 is the utility model shutdown;
Structural representation when Fig. 2 is the utility model running;
In figure, 1, left eccentric block; 2, main body; 3, left side bearing pin; 4, right side bearing pin; 5, axis hole; 6, right eccentric block; 7, spring; 8, pull bar; 9, spring bearer plate; 10, connecting plate; 11, slotted eye; 12, lead.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
As Fig. 1, shown in Fig. 2, automatic eccentric adjustment vibrator described in the utility model, comprise main body 2, main body 2 is arranged axis hole 5, left eccentric block 1 and right eccentric block 6 are installed in main body 2 both sides, left eccentric block 1 is connected on the body 2 respectively by the left side bearing pin 3 be arranged on below axis hole 5 with right side bearing pin 4 with right eccentric block 6, the both sides at main body 2 top weld lead 12 respectively, slotted eye 11 is offered in the middle of lead 12, one end of lead 12 fixing spring 7, the other end linking springs pressing plate 9 of spring 7, the two ends of spring bearer plate 9 connect a pull bar 8 respectively, pull bar 8 passes spring 7 and is connected left eccentric block 1 and right eccentric block 6 with after the slotted eye 11 in the middle of lead 12.
Main body 2 adopts two blocks of steel plates be arranged in parallel, two blocks of steel plates be arranged in parallel are by the integrally welded structure of connecting plate 10 of main body 2 top and bottom, and left eccentric block 1 and right eccentric block 6 swing between two pieces of parallel steel plates of main body 2 around left side bearing pin 3 and right side bearing pin 4 respectively.
According to the difference of load, the oscillatory torque of requirement is different, can install balancing weight additional on left eccentric block 1 and right eccentric block 6, increases eccentric moment.
Operation principle of the present utility model and use procedure:
Described automatic eccentric adjustment vibrator is when spindle operation, drive vibrator rotates, under the influence of centrifugal force, left side bearing pin 3 in main body 2 of the left eccentric block 1 of former symmetry and right eccentric block 6 and right side bearing pin 4 offset to one side gradually, haul pull bar 7 simultaneously, spring bearer plate 9 times pressing springs 7, after left eccentric block 1 and right eccentric block 6 offset, poised state when changing static, produce amount of unbalance, thus generation eccentric vibrating, along with the increase of axle rotating speed, side-play amount occurs for left eccentric block 1 and right eccentric block 6 also increases thereupon, corresponding amount of unbalance increases thereupon, oscillatory torque increases thereupon, Oscillation Amplitude increases, until run well.When shutting down; the rotating speed of axle reduces; the centrifugal force acting on left eccentric block 1 and right eccentric block 6 reduces, and reset under the pulling force of spring 7, left eccentric block 1 and right eccentric block 6 reset; vibrator amount of unbalance reduces; thus vibration is progressively reduced, reach the level and smooth object stopping vibration, until stop completely; finally reach energy-efficient, steady start and stop, and reduce start and stop unloaded time a large amount of dust generation.
The utility model can make vibratory sieve in start and stop, and when load is little, the loss that the idle vibrations reducing vibratory sieve produce, save motor, extend the service life of equipment, structure is simple, easy to use.
Claims (4)
1. an automatic eccentric adjustment vibrator, comprise main body (2), main body (2) is arranged axis hole (5), it is characterized in that: left eccentric block (1) and right eccentric block (6) are installed in main body (2) both sides, left eccentric block (1) and right eccentric block (6) are connected in main body (2) respectively by the left side bearing pin (3) and right side bearing pin (4) being arranged on axis hole (5) below, the both sides at main body (2) top arrange lead (12) respectively, slotted eye (11) is offered in the middle of lead (12), one end of lead (12) fixing spring (7), the other end linking springs pressing plate (9) of spring (7), the two ends of spring bearer plate (9) connect a pull bar (8) respectively, pull bar (8) is connected left eccentric block (1) and right eccentric block (6) through spring (7) afterwards with the slotted eye (11) in the middle of lead (12).
2. automatic eccentric adjustment vibrator according to claim 1, it is characterized in that: described main body (2) is two blocks of steel plates be arranged in parallel, two blocks of steel plates be arranged in parallel are by connecting plate (10) the integrally welded structure of main body (2) top and bottom, and left eccentric block (1) and right eccentric block (6) swing between two pieces of parallel steel plates of main body (2) around left side bearing pin (3) and right side bearing pin (4) respectively.
3. automatic eccentric adjustment vibrator according to claim 1, is characterized in that: described left eccentric block (1) and right eccentric block (6) arrange balancing weight.
4. automatic eccentric adjustment vibrator according to claim 1, is characterized in that: described lead (12) is for cylindrical, and lead (12) is welded on main body (2) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420627831.7U CN204182578U (en) | 2014-10-27 | 2014-10-27 | Automatic eccentric adjustment vibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420627831.7U CN204182578U (en) | 2014-10-27 | 2014-10-27 | Automatic eccentric adjustment vibrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204182578U true CN204182578U (en) | 2015-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420627831.7U Active CN204182578U (en) | 2014-10-27 | 2014-10-27 | Automatic eccentric adjustment vibrator |
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| Country | Link |
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| CN (1) | CN204182578U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670102A (en) * | 2017-03-14 | 2017-05-17 | 湖南山瑞重工科技有限公司 | Circular vibrating screen |
| CN106903038A (en) * | 2017-03-14 | 2017-06-30 | 湖南山瑞重工科技有限公司 | The vibrator of vibratory sieve |
| CN107029976A (en) * | 2017-06-23 | 2017-08-11 | 石家庄铁道大学 | A kind of vibrator |
| CN108566044A (en) * | 2018-06-13 | 2018-09-21 | 阜南县特立电子有限公司 | A kind of heat radiating type phone vibrator that vibration is variable |
| CN115318626A (en) * | 2022-08-22 | 2022-11-11 | 内江师范学院 | Grit processing apparatus for construction engineering |
-
2014
- 2014-10-27 CN CN201420627831.7U patent/CN204182578U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670102A (en) * | 2017-03-14 | 2017-05-17 | 湖南山瑞重工科技有限公司 | Circular vibrating screen |
| CN106903038A (en) * | 2017-03-14 | 2017-06-30 | 湖南山瑞重工科技有限公司 | The vibrator of vibratory sieve |
| CN107029976A (en) * | 2017-06-23 | 2017-08-11 | 石家庄铁道大学 | A kind of vibrator |
| CN108566044A (en) * | 2018-06-13 | 2018-09-21 | 阜南县特立电子有限公司 | A kind of heat radiating type phone vibrator that vibration is variable |
| CN115318626A (en) * | 2022-08-22 | 2022-11-11 | 内江师范学院 | Grit processing apparatus for construction engineering |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |