CN202621427U - High-efficiency impeller type pneumatic vibrator - Google Patents
High-efficiency impeller type pneumatic vibrator Download PDFInfo
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- CN202621427U CN202621427U CN2012201530637U CN201220153063U CN202621427U CN 202621427 U CN202621427 U CN 202621427U CN 2012201530637 U CN2012201530637 U CN 2012201530637U CN 201220153063 U CN201220153063 U CN 201220153063U CN 202621427 U CN202621427 U CN 202621427U
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Abstract
The utility model relates to a high-efficiency impeller type pneumatic vibrator which comprises a vibrator housing (1). The high-efficiency impeller type pneumatic vibrator is characterized in that a vibrator housing (1) is internally provided with at least one pair of compressed air-driven impellers, i.e. a left impeller (21) and a right impeller (22), the left impeller (21) and the right impeller (22) are respectively arranged on a left rotating shaft (31) and a right rotating shaft (32), a synchronous driver is respectively arranged on the left rotating shaft (31) and the right rotating shaft (32), the barycenter (A) of the left impeller (21) deviates from the axes (O1) of the left rotating shaft (31) to form an eccentric distance L1, the barycenter (A) of the right impeller (22) deviates from the axes (O2) of the right rotating shaft (32) to form an eccentric distance L2, and the left impeller (21) and the right impeller (22) synchronously and purely roll and rotate in opposite directions by a synchronous driving mechanism, so that the eccentric forces on the left impeller (21) and the right impeller (22) can be partially or wholly offset along the X-axis direction, and can be superposed along the Y-axis direction, therefore, a larger directional vibratory force can be obtained, the Y-axis vibration amplitude can be improved, and the high-efficiency impeller type pneumatic vibrator is good in vibration effect, higher in efficiency, and low in cost.
Description
1, technical field
The utility model relates to pneumatic element, refers to a kind of vane type gas vibrator that is used for vibratory sieve equipment especially.
2, background technology
The structure of traditional vibratory sieve is as shown in Figure 1, comprises screen frame 01, is located at the screen cloth that has mesh 02 on the screen frame 01, and is fixed on the vibration source 03 on the screen frame 01.Vibration source 03 has the employing ultrasonic vibration source, also adopts the gas vibrator, and at present, the ultrasonic vibration source price is higher, and vibration frequency is high, and vibrating effect is good, and the gas vibrator is because vibration frequency and amplitude are all less, and vibrating effect is not good, and price is lower.
When existing gas vibrator drive load was moved, mostly the load movement track was irregular curve, can't realize the motion of the directed straight line of load, and the idle work of consumption is more, and efficient is lower.
3, summary of the invention
The purpose of the utility model is to provide a kind of efficient vane type gas vibrator, and it is simple in structure, and cost is low, and amplitude is big, and vibrating effect is good, and efficient is higher.
The utility model is realized through following technical scheme:
A kind of efficient vane type gas vibrator, involving vibrations device housing, the minimum impeller that a pair of compressed air-driven is installed in the vibrator housing the inside; Be lobus sinister wheel and lobus dexter wheel; Lobus sinister wheel and lobus dexter wheel are installed in respectively on left rotary shaft and the right spindle, and the Synchronous Transmission machine is installed on left rotary shaft and the right spindle, and the axle center of the deviation of gravity center left rotary shaft of lobus sinister wheel forms eccentric throw L1; The axle center of the deviation of gravity center right spindle of lobus dexter wheel forms eccentric throw L2; Lobus sinister wheel and lobus dexter wheel realize that through synchronous drive mechanism synchronous pure rolling and direction of rotation are opposite, and the eccentric force that lobus sinister wheel and lobus dexter are taken turns can some or all ofly be cancelled out each other in X-direction, stacks up in Y direction; Obtain bigger directional vibration power, improve the Y axis vibration amplitude.
The center of gravity of the center of gravity of above-mentioned described lobus sinister wheel and lobus dexter wheel is about the Y axial symmetry, and eccentric throw L1 equals eccentric throw L2.
The center of gravity of above-mentioned described lobus sinister wheel is asymmetric about the Y axle with the center of gravity that lobus dexter is taken turns, the unequal eccentric throw L2 of eccentric throw L1, and the ratio of two eccentric throws is in 0.8～1 scope.
The absolute value of the difference of the center of gravity synchro angle θ 2 of the synchro angle θ 1 of the center of gravity of above-mentioned described lobus sinister wheel and lobus dexter wheel is in the scope of 0～60 degree.
Above-mentioned transmission mechanism is to comprise intermeshing left gear and right gear, and left gear and right gear are installed in respectively on left rotary shaft and the right spindle.
Above-mentioned said transmission mechanism is that transmission mechanism is to be with transmission or chain drive synchronously.
Be provided with three die cavities in the above-mentioned described vibrator housing; Be respectively lower impressions, upper left die cavity and upper right die cavity; The left gear and the right gear of pair of meshing wherein are housed in the lower impressions, a toothed lobus sinister wheel and lobus dexter wheel are housed respectively in upper left die cavity and the upper right die cavity.
Above-mentioned described lobus sinister wheel is provided with lightening core and eccentric block; The lobus dexter wheel is provided with lightening core and eccentric block; Left rotary shaft and right spindle be through the supporting of the rolling bearing on the end cap on the vibrator housing, and it is parallel with the air admission hole central plane and on the section of impeller radius of turn that the air admission hole on the vibrator housing is located on lobus sinister wheel and the symmetrical centre face that lobus dexter is taken turns, steam vent is located at.
Above-mentioned described upper left die cavity and upper right die cavity are equal-sized cylinder die cavity; Upper left die cavity is with a through hole is arranged between the lower impressions; Upper right die cavity is with a through hole is arranged between the lower impressions; Through hole and through-hole diameter equal and opposite in direction, axle center coplane and parallel, upper left die cavity and through hole concentric, upper right die cavity and through hole concentric.
Above-mentioned described end cap is cylindrical, and end cap is respectively equipped with the bearing saddle bore that is used to install rolling bearing.
Above-mentioned described lobus sinister wheel and lobus dexter wheel are identical.
The beneficial effect that the utlity model has:
(1) utilize compressed air to enter in the gas vibrator housing sealing upper impression from air inlet, the thrust of gas is rotated at lobus sinister wheel and lobus dexter wheel, and lobus sinister wheel and lobus dexter are taken turns through synchronous drive mechanism and realized that synchronous pure rolling and direction of rotation are opposite; Eccentric force on lobus sinister wheel and the lobus dexter wheel can some or all ofly be cancelled out each other in X-direction, stack up, obtain bigger directional vibration power in Y direction; Improve the Y axis vibration amplitude, simple in structure, cost is low; Amplitude is big, and vibrating effect is good, and efficient is higher; Price is equivalent to 1/20 of ultrasonic vibrator, but Oscillation Amplitude is big, and the vibrating effect and the ultrasonic vibrator of generation are suitable.
(2) center of gravity of the center of gravity of lobus sinister wheel and lobus dexter wheel is about the Y axial symmetry, and eccentric throw L1 equals eccentric throw L2, and the eccentric force on lobus sinister wheel and the lobus dexter wheel is all cancelled out each other in X-direction, and Y direction obtains maximum amplitude effect.
(3) center of gravity of the center of gravity of lobus sinister wheel and lobus dexter wheel is asymmetric about the Y axle; The unequal eccentric throw L2 of eccentric throw L1, the ratio of two eccentric throws be in 0.8～1 scope, and perhaps the absolute value of the synchro angle θ 1 of the center of gravity of lobus sinister wheel and the difference of the center of gravity synchro angle θ 2 of lobus dexter wheel is in the scope of 0～60 degree; Eccentric force on lobus sinister wheel and the lobus dexter wheel can partly be cancelled out each other in X-direction; Stack up in Y direction, obtain bigger directional vibration power, improve the Y axis vibration amplitude.
(4) be provided with three die cavities in the vibrator housing, be respectively lower impressions, upper left die cavity and upper right die cavity, the left gear and the right gear of pair of meshing wherein is housed in the lower impressions; A toothed lobus sinister wheel and lobus dexter wheel are housed respectively in upper left die cavity and the upper right die cavity; The lobus sinister wheel is provided with lightening core and eccentric block, and the lobus dexter wheel is provided with lightening core and eccentric block, and left rotary shaft and right spindle are through the supporting of the rolling bearing on the end cap on the vibrator housing; It is parallel with the air admission hole central plane and on the section of impeller radius of turn that air admission hole on the vibrator housing is located on lobus sinister wheel and the symmetrical centre face that lobus dexter is taken turns, steam vent is located at; Because compressed-air actuated air inlet is on the symmetrical centre face of two impellers, exhaust is located at parallel with the air admission hole central plane and on the section of impeller radius of turn, the other end of two impellers is connected with the gear of pair of meshing through axle; And is furnished with eccentric block on the impeller; Impeller has the restriction of meshing gear when rotated like this, makes impeller with rotation synchronously in opposite directions, and is simple in structure; Install easy to manufacture, low cost of manufacture.
(5) housing of vibrator adopts the upper/lower terminal open architecture, in processing, install all easily, practices thrift processing cost greatly, after arbitrary wearing and tearing, can change easily, thereby reduce the maintenance cost of gas vibrator, increases the service life.Simultaneously impeller is arranged in two die cavities with gear, leans on the clearance seal of gear shaft between two die cavities, make the compressed air effective function on impeller, and the rotation of gear does not have and can the rotation of impeller be exerted an influence.
4, description of drawings:
Fig. 1 is the structural representation of traditional vibratory sieve;
Fig. 2 is the utility model vane type gas vibrator profile.
Fig. 3 is the A-A cutaway view of a kind of structure of Fig. 2.
Fig. 4 is the A-A cutaway view of the another kind of structure of Fig. 2.
Fig. 5 is the utility model gas vibrator housing profile.
Fig. 6 is a kind of end cap cutaway view of the utility model.
Fig. 7 is the another kind of end cap cutaway view of the utility model.
Fig. 8 is the principle schematic of the utility model.
Fig. 9 is the force analysis figure of Fig. 8.
5, the specific embodiment:
Be described further below in conjunction with the embodiment of accompanying drawing the utility model:
Like Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and shown in Figure 9, a kind of efficient vane type gas vibrator, involving vibrations device housing 1; The minimum impeller that a pair of compressed air-driven is installed in vibrator housing 1 the inside; Be that lobus sinister wheel 21 and lobus dexter take turns 22, lobus sinister wheel 21 is installed in respectively on left rotary shaft 31 and the right spindle 32 with lobus dexter wheel 22, and the Synchronous Transmission machine is installed on left rotary shaft 31 and the right spindle 32; The axle center O1 that the center of gravity A of lobus sinister wheel 21 departs from left rotary shaft 31 forms eccentric throw L1; The axle center O2 that the center of gravity B of lobus dexter wheel 22 departs from right spindle 32 forms eccentric throw L2, and lobus sinister wheel 21 and lobus dexter wheel 22 realize that through synchronous drive mechanism synchronous pure rolling and direction of rotation are opposite, make lobus sinister wheel 21 and the eccentric force on the lobus dexter wheel 22 can some or all ofly cancel out each other in X-direction; Stack up in Y direction; Obtain bigger directional vibration power, improve the Y axis vibration amplitude, Y direction is the direction of vibration output.
When the center of gravity A of lobus sinister wheel 21 and lobus dexter are taken turns 22 center of gravity B about the Y axial symmetry; Eccentric throw L1 equals eccentric throw L2, and the eccentric force on lobus sinister wheel and the lobus dexter wheel is all cancelled out each other in X-direction, and Y direction obtains maximum amplitude effect; Loss is minimum, and is most effective.
Take turns 22 center of gravity B when the center of gravity A of lobus sinister wheel 21 and lobus dexter asymmetric about the Y axle; The unequal eccentric throw L2 of eccentric throw L1, the ratio of two eccentric throws are in 0.8～1 scope, and the eccentric force that lobus sinister wheel and lobus dexter are taken turns can partly be cancelled out each other in X-direction; Stack up in Y direction; Obtain bigger directional vibration power, improve the Y axis vibration amplitude, but be not preferred plan.
When the difference of the synchro angle θ 1 of the center of gravity A of lobus sinister wheel 21 and the center of gravity B synchro angle θ 2 of lobus dexter wheel 22 scope at 0～60 degree; Eccentric force on lobus sinister wheel and the lobus dexter wheel can partly be cancelled out each other in X-direction; Stack up in Y direction; Obtain bigger directional vibration power, improve the Y axis vibration amplitude, but be not preferred plan.
Transmission mechanism is to comprise intermeshing left gear 41 and right gear 42, and left gear 41 is installed in respectively on left rotary shaft 31 and the right spindle 32 with right gear 42, and tooth-formation of gear can be straight-tooth, helical teeth and herringbone tooth, and this instance gear is a straight-tooth; The a pair of gear of engagement is that profile of tooth, modulus, the number of teeth, gear thickness are identical; The gear number of teeth is 8～25.
Be provided with three die cavities in the above-mentioned vibrator housing 1; Be respectively lower impressions 16, upper left die cavity 17 and upper right die cavity 18; The left gear 41 and right gear 42 of pair of meshing wherein are housed in the lower impressions 16; A toothed lobus sinister wheel 21 and lobus dexter wheel 22 are housed respectively in upper left die cavity 17 and the upper right die cavity 18, and lobus sinister wheel 21 is provided with lightening core 211 and eccentric block 212, and lobus dexter wheel 22 is provided with lightening core 221 and eccentric block 222; Left rotary shaft 31 supports through the rolling bearing on the end cap 6 on the vibrator housing 15 with right spindle 32; It is parallel with air admission hole 14 central planes and on the section of impeller radius of turn, upper left die cavity 17 and upper right die cavity 18 are equal-sized cylinder die cavity that air admission hole 14 on the vibrator housing 1 is located on the symmetrical centre face of lobus sinister wheel 21 and lobus dexter wheel 22, steam vent 15 is located at, and upper left die cavity 17 is with a through hole 191 is arranged between the lower impressions 16; Upper right die cavity 18 is with a through hole 192 is arranged between the lower impressions 16; Through hole 191 equates with through hole 192 diameter, axle center coplane and parallel, upper left die cavity 17 and through hole 191 concentrics, upper right die cavity 18 and through hole 192 concentrics; Described end cap 6 is cylindrical, and end cap 6 is respectively equipped with the bearing saddle bore 61 that is used to install rolling bearing 5.Upper left die cavity 17 is two gears engaged centre-to-centre spacing with upper right die cavity 18 centre-to-centre spacing.Lightening core number on the impeller is more than or equal to 1, and the eccentric block number is more than or equal to 1, and this instance impeller lightening core number is 3, and the eccentric block number is 1, when mounted anti-dress of following formal dress of impeller.Gear shaft can be made of one with gear; Transmission mechanism also can be that transmission mechanism is to be with transmission or chain drive synchronously.
Above-mentioned described lobus sinister wheel 21 can be identical with lobus dexter wheel 22.
The principle of the utility model is: like Fig. 8 and shown in Figure 9; The axle center O1 that the center of gravity A of lobus sinister wheel 21 departs from left rotary shaft 31 forms eccentric throw L1; The axle center O2 that the center of gravity B of lobus dexter wheel 22 departs from right spindle 32 forms eccentric throw L2; Lobus sinister wheel 21 and lobus dexter wheel 22 realize that through synchronous drive mechanism synchronous pure rolling and direction of rotation are opposite; The line of AO1 is rotated counterclockwise around axle center O1, and the line of BO2 turns clockwise around axle center O2, in the absolute value of the synchro angle θ 1 of the center of gravity A of lobus sinister wheel 21 and the difference of the center of gravity B synchro angle θ 2 of lobus dexter wheel 22 scope at 0～60 degree; When eccentric throw L1 equaled eccentric throw L2, synchro angle θ 1 was 0 o'clock with the differential seat angle of synchro angle θ 2, just in time symmetry; Eccentric force on lobus sinister wheel and the lobus dexter wheel can all be cancelled out each other in X-direction; Stack up in Y direction, obtain maximum directional vibration power, improve the Y axis vibration amplitude; Be preferred plan, obtain directed rectilinear motion effect.
When eccentric throw L1 is not equal to eccentric throw L2; Both have a little gap, and perhaps to equal the differential seat angle of eccentric throw L2 and synchro angle θ 1 and synchro angle θ 2 be not 0 o'clock to eccentric throw L1, and active force stacks up in the direction Y direction of vibration output; Obtain bigger directional vibration power; Improve the Y axis vibration amplitude, but, form the curvilinear motion track in the also residual certain function power of X-direction.
In Fig. 9, O1 is rotated counterclockwise around the axle center with the center of gravity A of lobus sinister wheel 21, produces directed force F 1 in tangential direction, and the active force that directed force F 1 is decomposed at X axle and Y axle is F3 and F5; O2's center of gravity B of lobus dexter wheel 22 turns clockwise around the axle center, produces directed force F 2 in tangential direction, and the active force that directed force F 2 is decomposed at X axle and Y axle is F4 and F6; Directed force F 3 is approaching, in the opposite direction with directed force F 4 sizes, therefore all perhaps most of active force of offsetting X-direction; Active force is that F5 and active force are that the F6 size is approaching, and direction is consistent, in the Y axle acquisition stack of vibration outbound course; Thereby obtain bigger amplitude, though under the situation that does not have to promote in vibration frequency, Oscillation Amplitude significantly promotes; Vibrating effect is good, and efficient is higher, and price is equivalent to 1/20 of ultrasonic vibrator; But Oscillation Amplitude is big, and the vibrating effect and the ultrasonic vibrator of generation are suitable.
Claims (10)
1. efficient vane type gas vibrator; Involving vibrations device housing (1); It is characterized in that: the minimum impeller that a pair of compressed air-driven is installed in vibrator housing (1) the inside, promptly lobus sinister wheel (21) and lobus dexter are taken turns (22), and lobus sinister wheel (21) and lobus dexter wheel (22) are installed in respectively on left rotary shaft (31) and the right spindle (32); The Synchronous Transmission machine is installed on left rotary shaft (31) and the right spindle (32); The axle center (O1) that the center of gravity (A) of lobus sinister wheel (21) departs from left rotary shaft (31) forms eccentric throw L1, and the axle center (O2) that the center of gravity (B) of lobus dexter wheel (22) departs from right spindle (32) forms eccentric throw L2, and lobus sinister wheel (21) and lobus dexter are taken turns (22) and realized that through synchronous drive mechanism synchronous pure rolling and direction of rotation are opposite; Eccentric force on lobus sinister wheel (21) and the lobus dexter wheel (22) can some or all ofly be cancelled out each other in X-direction; Stack up in Y direction, obtain bigger directional vibration power, improve the Y axis vibration amplitude.
2. a kind of efficient vane type gas vibrator according to claim 1 is characterized in that: the center of gravity (B) of the center of gravity (A) of lobus sinister wheel (21) and lobus dexter wheel (22) is about the Y axial symmetry, and eccentric throw L1 equals eccentric throw L2.
3. a kind of efficient vane type gas vibrator according to claim 1; It is characterized in that: the center of gravity (B) of the center of gravity (A) of lobus sinister wheel (21) and lobus dexter wheel (22) is asymmetric about the Y axle; The unequal eccentric throw L2 of eccentric throw L1, the ratio of two eccentric throws is in 0.8～1 scope.
4. a kind of efficient vane type gas vibrator according to claim 1 is characterized in that: the synchro angle θ 1 of the center of gravity (A) of lobus sinister wheel (21) and the scope of the absolute value of the difference of center of gravity (B) the synchro angle θ 2 of lobus dexter wheel (22) at 0～60 degree.
5. according to claim 1 or 2 or 3 or 4 described a kind of efficient vane type gas vibrators; It is characterized in that: transmission mechanism is to comprise intermeshing left gear (41) and right gear (42), and left gear (41) and right gear (42) are installed in respectively on left rotary shaft (31) and the right spindle (32).
6. according to claim 1 or 2 or 3 or 4 described a kind of efficient vane type gas vibrators, it is characterized in that: transmission mechanism is to be with transmission or chain drive synchronously.
7. a kind of efficient vane type gas vibrator according to claim 5; It is characterized in that: be provided with three die cavities in the vibrator housing (1); Be respectively lower impressions (16), upper left die cavity (17) and upper right die cavity (18); The left gear (41) and the right gear (42) of pair of meshing wherein are housed in the lower impressions (16), a toothed lobus sinister wheel (21) and lobus dexter wheel (22) is housed respectively in upper left die cavity (17) and the upper right die cavity (18).
8. a kind of efficient vane type gas vibrator according to claim 7; It is characterized in that: lobus sinister wheel (21) is provided with lightening core (211) and eccentric block (212); Lobus dexter wheel (22) is provided with lightening core (221) and eccentric block (222); Left rotary shaft (31) and right spindle (32) be through the supporting of the rolling bearing (5) on the end cap (6) on the vibrator housing (1), and to be located at that lobus sinister wheel (21) and lobus dexter are taken turns on the symmetrical centre face of (22), steam vent (15) is located at parallel with air admission hole (14) central plane and on the section of impeller radius of turn for the air admission hole (14) on the vibrator housing (1).
9. a kind of efficient vane type gas vibrator according to claim 7; It is characterized in that: upper left die cavity (17) and upper right die cavity (18) are equal-sized cylinder die cavity; One through hole (191) is arranged between the same lower impressions of upper left die cavity (17) (16), a through hole (192) is arranged between the same lower impressions of upper right die cavity (18) (16), through hole (191) equates with through hole (192) diameter, axle center coplane and parallel; Upper left die cavity (17) and through hole (191) concentric, upper right die cavity (18) and through hole (192) concentric.
10. a kind of efficient vane type gas vibrator according to claim 8, it is characterized in that: described end cap (6) is cylindrical, and end cap (6) is respectively equipped with the bearing saddle bore (61) that is used to install rolling bearing (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201530637U CN202621427U (en) | 2012-04-11 | 2012-04-11 | High-efficiency impeller type pneumatic vibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201530637U CN202621427U (en) | 2012-04-11 | 2012-04-11 | High-efficiency impeller type pneumatic vibrator |
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| Publication Number | Publication Date |
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| CN202621427U true CN202621427U (en) | 2012-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201530637U Expired - Fee Related CN202621427U (en) | 2012-04-11 | 2012-04-11 | High-efficiency impeller type pneumatic vibrator |
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| CN (1) | CN202621427U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102626688A (en) * | 2012-04-11 | 2012-08-08 | 裕东（中山）机械工程有限公司 | Efficient impeller-type pneumatic vibrator |
| WO2013152636A1 (en) * | 2012-04-11 | 2013-10-17 | 裕东（中山）机械工程有限公司 | Pneumatic vibrator |
-
2012
- 2012-04-11 CN CN2012201530637U patent/CN202621427U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102626688A (en) * | 2012-04-11 | 2012-08-08 | 裕东（中山）机械工程有限公司 | Efficient impeller-type pneumatic vibrator |
| WO2013152636A1 (en) * | 2012-04-11 | 2013-10-17 | 裕东（中山）机械工程有限公司 | Pneumatic vibrator |
| CN102626688B (en) * | 2012-04-11 | 2016-02-03 | 裕东（中山）机械工程有限公司 | A kind of Efficient impeller-type pneumatic vibrator |
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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: 20121226 Termination date: 20160411 |