CN105057200A - Quick-return material separating screen - Google Patents
Quick-return material separating screen Download PDFInfo
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- CN105057200A CN105057200A CN201510495765.1A CN201510495765A CN105057200A CN 105057200 A CN105057200 A CN 105057200A CN 201510495765 A CN201510495765 A CN 201510495765A CN 105057200 A CN105057200 A CN 105057200A
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- connecting rod
- screen frame
- rotationally connected
- crank
- frame
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Abstract
The invention relates to screening equipment, in particular to a quick-return material separating screen. The quick-return material separating screen comprises a rack, a power mechanism fixed to the rack, a screen frame in sliding connection with the rack and a transmission mechanism connected with the power mechanism and the screen frame. The transmission mechanism comprises a drive crank, a connecting rod, a driven crank and transmission connecting rods. A rotary shaft of the drive crank and a rotary shaft of the driven crank are rotationally connected to the rack. One end of the connecting rod is rotationally connected to the free end of a connecting rod of the drive crank, and the other end of the connecting rod is rotationally connected to the free end of a connecting rod of the driven crank. One end of each transmission connecting rod is rotationally connected to the free end of the connecting rod of the driven crank, and the other end of each transmission connecting rod is rotationally connected to the screen frame. The problem that when a vibration screen slides in a reciprocating manner in the prior art, speed changes are small, and consequently sorting efficiency of materials in the vibration screen is low is solved, and a vibration screen is large in speed change in the reciprocating motion process is provided..
Description
Technical field
The present invention relates to screening plant, be specifically related to a kind of anxious time material separating sieve.
Background technology
Screening is method population being undertaken by the size of particle, proportion, the dry jet mixing pile such as charging property and magnetic being separated.With compass screen surface with holes, the operation that mixed materials different for granule size is divided into various granularity level is called screening.(1) factor of impact screening, is summarized as follows: particle size range is suitable for, and the granularity of material is not more close to more easily separated during boundary diameter; In material, water capacity increases, and stickiness increases, easily agglomerating or blocking sieve aperture; Shape, the density of particle are little, material not easily sieves; The parameter of screening plant.(2) screening plant, the medicine of screening sieves two kinds, and a kind of is mold pressing sieve, and another kind is wire gauze sieve.Make material sufficient movement often adopt several motion mode: revolving screen and shaking screen simultaneously.
Existing screening plant mostly is reciprocating motion, and as driven vibration screen frame to move back and forth by driven by motor slider-crank mechanism, the screen frame of vibration screen frame moves back and forth with relatively average speed.Although speed changes to some extent but changes little, which results in, the speed that the material in screen frame sifts out is comparatively slow, learns by experiment, and when using vibratory sieve material screening, when screen frame movement velocity changes greatly, the material efficiency of separation in screen frame is higher.
Summary of the invention
Of the present invention in order to solve in existing prior art be the reciprocatingly sliding of vibratory sieve time, velocity variations is little, causes the problem that in vibratory sieve, the material efficiency of separation is low, wants to provide a kind of reciprocatory movement medium velocity to change large vibratory sieve.
The invention provides base case is: anxious time material separating sieve, comprise frame, be fixed on the actuating unit in frame, the screen frame be connected with housing slide, connect the transmission mechanism of actuating unit and screen frame, wherein, transmission mechanism comprises driving crank, connecting rod, driven crank and kinematic link, the rotating shaft of driving crank and driven crank is all rotationally connected with in frame, connecting rod one end is rotationally connected with on the free end of the connecting rod of driving crank, the other end is rotationally connected with on the free end of the connecting rod of driven crank, one end of kinematic link is rotationally connected with the free end of the connecting rod of driven crank, the other end is rotationally connected with on screen frame.
The beneficial effect of base case is: mention because existing vibratory sieve is in the process of reciprocatingly sliding in background, velocity variations is little thus cause screening effeciency low, and this programme will be provided with driving crank and driven crank to solve this problem in transmission mechanism, two cranks are connected by connecting rod, rotate when doing uniform angular speed under the driving at actuating unit of the connecting rod of driving crank, and due to, the free end of the connecting rod of driven crank under the drive of connecting rod also along with rotation, but because the centre of gyration is different, when the free end of the connecting rod of driving crank is when the centre of gyration of driven crank, the angular speed of the free end of the connecting rod of driven crank can be accelerated, during the centre of gyration away from driven crank of the free end of the contrary connecting rod when driving crank, the angular speed of the free end of the connecting rod of driven crank can slow down, due to the existence of kinematic link, simultaneously because screen frame is slidably connected frame, the change of angular speed can be changed into the change of screen frame linear velocity by the kinematic link be connected with the free end of the connecting rod of driven crank, in sum, this programme achieves the function that the linear reciprocal movement medium velocity of screen frame is changed greatly.
Scheme two: based on scheme preferred, actuating unit is motor.Beneficial effect, the uniform rotation of driving crank can be converted into linear reciprocal acceleration varying motion by base case, the uniform rotation that motor is just to provide, motor can be applicable to this programme easily, simultaneously due to the versatility of motor, motor is used also to be the selection reduced costs as actuating unit.
Scheme three: based on scheme preferred, frame has guide rail, and screen frame has the guide wheel be connected with slide, and guide wheel is rotationally connected with on screen frame.Beneficial effect: screen frame is connected with housing slide, in the reciprocating process of screen frame, screen frame can rub with frame, it is also feasible that the part that screen frame comes in contact with frame is set to smooth slide block, but screen frame arranges guide wheel, frame arranges guide rail, rubs as the frictional force of dynamic friction is more once little, frictional force is little means that resistance is little, the power consumed is little, also can increase the service time of equipment simultaneously.
Scheme four: based on scheme preferred, screen frame there is the screen frame lid removably connected.Beneficial effect, former screen frame motion hourly velocity change is less, and can arrange screen frame lid can screen, but under the improvement of base case, the movement velocity of screen frame changes greatly, and in screen frame, the velocity variations of material is also large, does not arrange screen frame lid and material will be caused may to fly out screen frame.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the schematic diagram that the drive link of the anxious time material separating sieve embodiment of structure of the present invention is far away apart from the centre of gyration of driven crank;
The schematic diagram that the drive link that Fig. 2 returns material separating sieve embodiment for structure urgency of the present invention is nearer apart from driven crank up center;
Reference numeral: the free end 32 of frame 1, motor 2, driving crank 30, drive link 31, drive link, connecting rod 34, driven crank 40, follower link 41, the free end 42 of follower link, kinematic link 43, screen frame 50.
Detailed description of the invention
Urgency by reference to the accompanying drawings shown in 1 Yu Fig. 2 returns material separating sieve, comprise frame 1, be fixed on the actuating unit in frame 1, the screen frame 50 be slidably connected with frame 1, connect the transmission mechanism of actuating unit and screen frame 50, wherein, transmission mechanism comprises driving crank 30, connecting rod 34, driven crank 40 and kinematic link 43, driving crank 30 is all rotationally connected with in frame 1 with the rotating shaft of driven crank 40, connecting rod 34 one end is rotationally connected with on the free end of drive link 31 of driving crank 30, the other end is rotationally connected with on the free end of the follower link 41 of driven crank 40, one end of kinematic link 43 is rotationally connected with the free end of the follower link 41 of driven crank 40, the other end is rotationally connected with on screen frame 50.Actuating unit is motor 2.Frame 1 has guide rail, and screen frame 50 has the guide wheel be connected with slide, and guide wheel is rotationally connected with on screen frame 50.Screen frame 50 there is the screen frame lid removably connected.
Result of use and each several part characteristic effect: mention because existing vibratory sieve is in the process of reciprocatingly sliding in background, velocity variations is little thus cause screening effeciency low, and this programme will be provided with driving crank 30 and driven crank 40 to solve this problem in transmission mechanism, two cranks are connected by connecting rod 34, rotate when doing uniform angular speed under the driving at actuating unit of the drive link 31 of driving crank 30, and due to the free end 42 of the follower link 41 of driven crank 40 under the drive of connecting rod 34 also along with rotation, but because the centre of gyration is different, as shown in Figure 1 when the free end of the drive link 31 of driving crank 30 is when the centre of gyration of driven crank 40, the angular speed of the free end 42 of the follower link 41 of driven crank 40 can be accelerated, during the centre of gyration away from driven crank 40 of the free end 32 of the drive link 31 when driving crank 30 contrary as shown in Figure 2, the angular speed of the free end 42 of the follower link 41 of driven crank 40 can slow down, due to the existence of kinematic link 43, simultaneously because screen frame 50 is slidably connected frame 1, the change of angular speed is changed into the change of screen frame 50 linear velocity by the kinematic link 43 be connected with the free end 42 of the follower link 41 of driven crank 40, in sum, this programme achieves the function that the linear reciprocal movement medium velocity of screen frame 50 is changed greatly.
Actuating unit is motor 2, beneficial effect, the uniform rotation of driving crank can be converted into linear reciprocal acceleration varying motion by this programme, the uniform rotation that motor 2 is just to provide, motor 2 can be applicable to this programme easily, simultaneously due to the versatility of motor 2, motor 2 is used also to be the selection reduced costs as actuating unit.
Frame 1 has guide rail, and screen frame 50 has the guide wheel be connected with slide, and guide wheel is rotationally connected with on screen frame 50.Beneficial effect: screen frame 50 and frame 1 are slidably connected, in the reciprocating process of screen frame 50, screen frame 50 can rub with frame 1, it is also feasible that the part that screen frame 50 comes in contact with frame 1 is set to smooth slide block, but screen frame 50 arranges guide wheel, frame 1 arranges guide rail, rubs as the frictional force of dynamic friction is more once little, frictional force is little means that resistance is little, the power consumed is little, also can increase the service time of equipment simultaneously.
Screen frame 50 there is the screen frame lid removably connected.Beneficial effect, the change of the hourly velocity of screen frame 50 motion is in the past less, screen frame lid can be arranged can screen, but after this programme improves, the movement velocity of screen frame 50 changes greatly, in screen frame 50, the velocity variations of material is also large, does not arrange screen frame lid and material will be caused may to fly out screen frame 50.
Above is only the preferred embodiment of the present invention; should be understood that; for a person skilled in the art; under the prerequisite not departing from structure of the present invention; some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.
Claims (4)
1. anxious time material separating sieve, comprise frame, be fixed on the actuating unit in frame, the screen frame be connected with housing slide, connect the transmission mechanism of actuating unit and screen frame, it is characterized in that, described transmission mechanism comprises driving crank, connecting rod, driven crank and kinematic link, the rotating shaft of described driving crank and driven crank is all rotationally connected with in frame, described connecting rod one end is rotationally connected with on the free end of the connecting rod of driving crank, the other end is rotationally connected with on the free end of the connecting rod of driven crank, one end of described kinematic link is rotationally connected with the free end of the connecting rod of driven crank, the other end is rotationally connected with on screen frame.
2. anxious time material separating sieve as claimed in claim 1, it is characterized in that, described actuating unit is motor.
3. anxious time material separating sieve as claimed in claim 1, it is characterized in that described frame has guide rail, described screen frame has the guide wheel be connected with slide, and described guide wheel is rotationally connected with on screen frame.
4. as claimed in claim 1 anxious return material separating sieve, it is characterized in that, described screen frame there is the screen frame lid removably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510495765.1A CN105057200A (en) | 2015-08-14 | 2015-08-14 | Quick-return material separating screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510495765.1A CN105057200A (en) | 2015-08-14 | 2015-08-14 | Quick-return material separating screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105057200A true CN105057200A (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510495765.1A Pending CN105057200A (en) | 2015-08-14 | 2015-08-14 | Quick-return material separating screen |
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| CN (1) | CN105057200A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106179950A (en) * | 2016-07-19 | 2016-12-07 | 辽宁科技大学 | A kind of electric assembling vibration type corn grading plant |
| CN106622950A (en) * | 2016-11-22 | 2017-05-10 | 江苏大学 | Mechanism drive bottom falling three-freedom-degree vibrating screen |
| CN117644031A (en) * | 2024-01-30 | 2024-03-05 | 内蒙古晒能生物科技有限公司 | Impurity separation device used before curing of coarse cereal powder soybeans |
-
2015
- 2015-08-14 CN CN201510495765.1A patent/CN105057200A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106179950A (en) * | 2016-07-19 | 2016-12-07 | 辽宁科技大学 | A kind of electric assembling vibration type corn grading plant |
| CN106622950A (en) * | 2016-11-22 | 2017-05-10 | 江苏大学 | Mechanism drive bottom falling three-freedom-degree vibrating screen |
| CN106622950B (en) * | 2016-11-22 | 2023-08-18 | 江苏大学 | Three-degree-of-freedom vibrating screen with mechanism transmission bottom falling |
| CN117644031A (en) * | 2024-01-30 | 2024-03-05 | 内蒙古晒能生物科技有限公司 | Impurity separation device used before curing of coarse cereal powder soybeans |
| CN117644031B (en) * | 2024-01-30 | 2024-04-16 | 内蒙古晒能生物科技有限公司 | Impurity separation device used before curing of coarse cereal powder soybeans |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151118 |
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| WD01 | Invention patent application deemed withdrawn after publication |