CN2820345Y - Self balance large amplitude rocking vibrative sieve - Google Patents
Self balance large amplitude rocking vibrative sieve Download PDFInfo
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- CN2820345Y CN2820345Y CN 200520024504 CN200520024504U CN2820345Y CN 2820345 Y CN2820345 Y CN 2820345Y CN 200520024504 CN200520024504 CN 200520024504 CN 200520024504 U CN200520024504 U CN 200520024504U CN 2820345 Y CN2820345 Y CN 2820345Y
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- screen box
- self
- main shaft
- screening
- eccentric
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Abstract
The utility model relates to a self-balance large amplitude rocking vibration screen which belongs to the technical field of screening devices. The utility model is used for solving problems that the impact force of the moving inertia of a rocking vibration screening machine is large, the screening ability is small and the screening efficiency is low. The utility model comprises a screen box, a drive device and a bottom frame, wherein the drive device and a main shaft are in drive connection. After the improvement, the main shaft is fixedly connected with an eccentric shaft, and a crank rocking arm mechanism is formed from the main shaft, an eccentric shaft and the screen box; the utility model is additionally provided with an unbalancing mechanism, and a dynamic balancing system is formed from the unbalancing mechanism and the screen box. In the utility model, the machine is integrally designed into the crank rocking arm mechanism with the self-balance function, and the dynamic balancing system is formed from the unbalancing mechanism which is additionally arranged on the utility model and the screen box; thus, the requirements of stability, small vibration, little power consumption, large screening area, large amplitude of vibration and large treating ability in the process of the running of the screening machine; products with various grades can be obtained.
Description
Technical field
The utility model relates to a kind of object separating device, is with the screen(ing) machine of shake screening small particles material specifically, belongs to the screening plant technical field.
Background technology
Screening, the classification of the powder material (as mineral products, chemical products, food etc.) in large-scale industrial is produced is in the field of business to be a technical barrier.Because screening thing particle diameter is very little; sieve aperture is also very little; screening is difficulty relatively; the screening difficulty of particularly higher for moisture, surfaces of tacky, mobile bad powder material is bigger; inventory to be processed is very big again in large-scale industrial is produced in addition; per hour generally require treating capacity number ton to tens tons scale, so just screening plant proposed very high requirement---should strict screening, classification, very big disposal ability and higher screening efficiency are arranged again.At present; for the more of powder material screening usefulness is a kind of sieve that shakes that revolves; belong to the screening class of sliding; though this sieve can carry out strict screening, classification; but be subjected to self structure to limit its screening disposal ability low; its motion impulsive force also has a kind of small-sized shake sieve, because of can not adapt to the requirement that large-scale industrial is produced greatly equally.
Summary of the invention
Significantly shake sieve of a kind of active balance motional inertia impulsive force, sieving capacity is big, screening efficiency is high self-balancing but being used to overcome the defective of prior art, the utility model is provided.
The alleged problem of the utility model is solved by following technical scheme:
A kind of self-balancing is the shake sieve significantly, comprise screen box part, drive unit and underframe in the formation, wherein, drive unit is connected with spindle drive, its special feature is: affixed eccentric shaft 14 on the described main shaft 16, main shaft, eccentric shaft and screen box part 4 constitute the crank rocker arm body, set up uneven mechanism 1, and uneven mechanism and screen box partly constitute a homestat.
Above-mentioned self-balancing is the shake sieve significantly, described uneven mechanism is by main shaft 16, side shaft 17,18 and main, secondary balance weight group is formed, described main balance weight group 1-1 is eccentrically set on the main shaft, its deflection direction is opposite with the deflection direction of eccentric shaft 14, described secondary balance weight group 1-2,1-3 is eccentrically set on respectively on two side shafts, the relative main shaft of two side shafts is symmetrical arranged, identical with the speed of mainshaft, switched in opposite, the eccentric direction of secondary eccentric block group is set as follows in the space, when the eccentric direction unanimity of described screen box componental movement major-minor eccentric block group during to the front and back two limit positions, and opposite with the deflection of screen box.
Above-mentioned self-balancing is the shake sieve significantly, and described screen box partly is obliquely installed, and it is hinged near charging one end and eccentric shaft, adopts suspension strut or bottom side freely to support near the screen box both sides of discharging one end.
Above-mentioned self-balancing is the shake sieve significantly, sets up supplemental support 5, and described supplemental support is arranged on screen box part one side, and supplemental support is connected underframe 2 with screen box underframe 12 elasticity.
Above-mentioned self-balancing is the shake sieve significantly, described screen box part 4 is by screen box lid 11, screen box underframe 12, following funnel 13 and multilayer screen box 10 stacked forming, the mesh size of each layer screen box from top to bottom successively decreases, mutually sealing and connect by hold down gag 15 between described screen box lid, screen box, screen box underframe.
Above-mentioned self-balancing is the shake sieve significantly, and described major-minor balance weight group is formed by balancing patch 1-4 is stacked.
The utility model is low at existing powder material screening disposal ability, be unsuitable for the present situation of large-scale production, designed a kind of significantly shake sieve, its main feature is embodied in following aspect: 1. drive unit and screen box parts form the crank rocker arm body, set up the uneven mechanism that constitutes by three adjustable eccentric block groups, they and screen box parts constitute complete homestat jointly, finish the compound motion of screen(ing) machine integral body, solved the big problem of shake sieve inertia impact, make in the screen(ing) machine running steady, vibrate for a short time, power consumption is little; 2. the output of screen box parts feed end end and eccentric driving device is hinged, discharge end and underframe form at 2 and hang or freely support, this structure can realize that material is shed on whole compass screen surface width immediately at feeding end, derives the screening efficiency height after sieving automatically from discharge end; 3. adopt the stack of multilayer screen box, sieving area is big, and amplitude is big, and disposal ability is big, can obtain the product of multiple grade.In addition, the design of the resiliency supported of bottom girder parts can further reduce the body vibration of screen(ing) machine, and the sealing gasket between the screen box can be guaranteed the excellent sealing of powder material.The utility model has been filled up the blank of the screening of scale powder material, classifying equipoment in sum; in conglomerate, have wide practical use, in the screening operation especially for plastics, chemical fertilizer, salt, alkali and other powdery industrial chemicals in chemical industry, the petrochemical industry.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is uneven structural scheme of mechanism;
Fig. 3 freely supports schematic diagram;
Fig. 4 is the auxiliary support structure schematic diagram;
A among Fig. 5, b, c, d represent the balance schematic diagram of homestat under four kinds of states respectively.
Each parts label is as follows among the figure: 1. uneven mechanism; 1-1. main balance weight group; The secondary balance weight group of 1-3,1-3.; 2. underframe; 3. motor; 4. screen box parts; 5. supplemental support parts; 6. elastic supporting seat; 7. lubricating system; 8. suspension strut parts; 9. hanger bracket; 10. screen box; 11. screen box lid; 12. screen box underframe; 13. following funnel; 14. eccentric shaft; 15. hold down gag; 16. main shaft; 17,18. side shafts; 19. screen box support member; 20. bracing frame.
The specific embodiment
Referring to Fig. 1,2, the utility model comprises screen box parts 4, drive unit and underframe 2 in constituting, drive unit comprises motor 3, transmission system and main shaft 16, affixed eccentric shaft 14 on the main shaft, main shaft, eccentric shaft and screen box parts constitute the crank rocker arm body, the screen box parts are obliquely installed, it is hinged near charging one end and eccentric shaft 14, can be suspended on the hanger bracket 9 of suspension strut parts 8 by 2 on steel wire rope near discharging one end, or as shown in Figure 3, freely be supported on the bracing frame 20 by screen box support member 19.Drive unit drives the eccentric shaft rotation, realizes shaking of screen box integral body.The movement locus of feeding end is a circle; The flat ellipse of discharge end movement locus; Eccentric throw D/2 between eccentric shaft and the main shaft has determined the amplitude of oscillation of screen box part.This forms of motion guarantees that material is shed on whole compass screen surface width immediately at feeding end, derives from discharge end after sieving.
Referring to Fig. 4, for improving the stability of screen box componental movement, set up supplemental support 5, supplemental support is arranged on screen box part one side, adopts that elasticity is hinged to be connected underframe 2 with screen box underframe 12 elasticity.
Referring to Fig. 2, a significant design of the present utility model is to set up uneven mechanism 1 at the big problem of shake sieve motion impulse inertia power, uneven mechanism is by main shaft 16, side shaft 17,18, main balance weight group 1-1, secondary balance weight group 1-2,1-3 forms, main balance weight group is eccentrically set on the main shaft, its deflection direction is opposite with the eccentric direction of eccentric shaft 14, secondary balance weight group is eccentrically set on respectively on two side shafts, the relative main shaft of two side shafts is symmetrical arranged, identical with the speed of mainshaft, switched in opposite, described screen box componental movement (a among Fig. 5 during to the front and back two limit positions, shown in the b) the eccentric direction unanimity of major-minor eccentric block group, and opposite with the deflection of screen box.Uneven mechanism and screen box partly constituted a complete homestat when above-mentioned design can make screen(ing) machine work.The balance signal of its motion process is shown in a among Fig. 5, b, c, d, and the arrow indication is represented the deflection of screen box among the figure, and promptly no matter the screen box componental movement is to any position, and uneven mechanism and screen box are formed a stable homestat.Each is made up of major-minor balance weight group several balancing patches 1-4, can system be adjusted to above-mentioned poised state by the increase and decrease balancing patch.
Still referring to Fig. 1, screen box partly comprises multilayer screen box 10, screen box lid 11, screen box underframe 12 and following funnel 13.Every layer of screen box can be isolated the product of certain grade.Between screen box lid and the upper strata screen box, between the adjacent layer screen box, between lower floor's screen box and the screen box underframe sealing gasket is installed, to guarantee the good seal of powder material.Connect with hold down gag 15 between screen box lid 11 and the screen box 10 screen box underframes 12.
The underframe bottom is provided with elastic supporting seat 6, to reduce the vibration of screen(ing) machine to ground.
Claims (6)
1. self-balancing shake sieve significantly, comprise screen box part, drive unit and underframe in the formation, wherein, drive unit is connected with spindle drive, it is characterized in that: described main shaft (16) is gone up affixed eccentric shaft (14), main shaft, eccentric shaft and screen box part (4) constitute the crank rocker arm body, set up uneven mechanism (1), and uneven mechanism and screen box partly constitute a homestat.
2. self-balancing according to claim 1 is the shake sieve significantly, it is characterized in that: described uneven mechanism is by main shaft (16), side shaft (17,18) and main, secondary balance weight group is formed, described main balance weight group (1-1) is eccentrically set on the main shaft, its deflection direction is opposite with the deflection direction of eccentric shaft (14), described secondary balance weight group (1-2,1-3) be eccentrically set on respectively on two side shafts, the relative main shaft of two side shafts is symmetrical arranged, identical with the speed of mainshaft, switched in opposite, the eccentric direction of secondary eccentric block group is set as follows in the space, when the eccentric direction unanimity of described screen box componental movement major-minor eccentric block group during to the front and back two limit positions, and opposite with the deflection of screen box.
3. self-balancing according to claim 2 is the shake sieve significantly, and it is characterized in that: described screen box partly is obliquely installed, and it is hinged near charging one end and eccentric shaft, adopts suspension strut or bottom side freely to support near the screen box both sides of discharging one end.
4. self-balancing according to claim 3 is the shake sieve significantly, and it is characterized in that: set up supplemental support (5), described supplemental support is arranged on screen box part one side, and supplemental support is with underframe (2) and screen box underframe (12) elastic coupling.
5. self-balancing according to claim 4 is the shake sieve significantly, it is characterized in that: described screen box part (4) is by screen box lid (11), screen box underframe (12), following funnel (13) and stacked the forming of multilayer screen box (10), the mesh size of each layer screen box from top to bottom successively decreases, mutually sealing and connect by hold down gag (15) between described screen box lid, screen box, screen box underframe.
6. according to claim 1,2,3,4 or 5 described self-balancings shake sieve significantly, it is characterized in that: described major-minor balance weight group is by balancing patch (1-4) stacked composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520024504 CN2820345Y (en) | 2005-07-20 | 2005-07-20 | Self balance large amplitude rocking vibrative sieve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520024504 CN2820345Y (en) | 2005-07-20 | 2005-07-20 | Self balance large amplitude rocking vibrative sieve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2820345Y true CN2820345Y (en) | 2006-09-27 |
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ID=37016895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520024504 Expired - Fee Related CN2820345Y (en) | 2005-07-20 | 2005-07-20 | Self balance large amplitude rocking vibrative sieve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2820345Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108313841A (en) * | 2018-02-07 | 2018-07-24 | 湖南宇晶机器股份有限公司 | Linear module drive formula bus cable device with radial equilibrium mechanism |
-
2005
- 2005-07-20 CN CN 200520024504 patent/CN2820345Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108313841A (en) * | 2018-02-07 | 2018-07-24 | 湖南宇晶机器股份有限公司 | Linear module drive formula bus cable device with radial equilibrium mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060927 Termination date: 20130720 |