CN220195496U - Wheat straw powder sieving mechanism - Google Patents
Wheat straw powder sieving mechanism Download PDFInfo
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- CN220195496U CN220195496U CN202321411078.3U CN202321411078U CN220195496U CN 220195496 U CN220195496 U CN 220195496U CN 202321411078 U CN202321411078 U CN 202321411078U CN 220195496 U CN220195496 U CN 220195496U
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- screening
- wheat straw
- straw powder
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- net
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- 241000209140 Triticum Species 0.000 title claims abstract description 38
- 235000021307 Triticum Nutrition 0.000 title claims abstract description 38
- 239000010902 straw Substances 0.000 title claims abstract description 38
- 239000000843 powder Substances 0.000 title claims abstract description 37
- 238000007873 sieving Methods 0.000 title claims description 18
- 238000012216 screening Methods 0.000 claims abstract description 166
- 230000006835 compression Effects 0.000 claims abstract description 22
- 238000007906 compression Methods 0.000 claims abstract description 22
- 239000002893 slag Substances 0.000 claims description 6
- 239000012535 impurity Substances 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 5
- 230000002146 bilateral effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a wheat straw powder screening device, which belongs to the field of screening devices and comprises a screening box and a screening mechanism, wherein when impurities such as stones mixed in the wheat straw powder are required to be screened and cleaned, the wheat straw powder is put into the screening box from a feed port, at the moment, a driving motor drives an output end to drive eccentric wheels at two ends of a connecting rod to rotate between the screening frames through a rotating rod, and the screening frames are continuously pushed up and down in the rotating process to enable compression springs on a fixing rod to continuously retract and stretch through connecting blocks, so that the vertically symmetrical screening frames are continuously vibrated, larger impurities in the wheat straw powder are screened and filtered after the wheat straw powder falls into a screening net in the screening frame above the screening frame, the screened wheat straw powder is filtered through the screening net in the screening frame below, and the screened wheat straw powder falls onto a guide plate and falls out from the discharge port.
Description
Technical Field
The utility model relates to the field of screening devices, in particular to a wheat straw powder screening device.
Background
In the prior art, in order to avoid mixing impurities such as stones in the wheat straw powder in the process of preparing the wheat straw powder feed, the impurities in the wheat straw powder are generally screened by a common hand screen in a manual mode, and the screening is performed in a manual mode, so that time and labor are wasted, the labor intensity of workers is increased, and the working efficiency is reduced.
Disclosure of Invention
The utility model mainly aims to provide a wheat straw powder screening device which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a wheat straw powder sieving mechanism, includes the screening case, four angle tip positions in the bottom surface of screening case are fixedly connected with supporting legs respectively, the inside of screening case is equipped with screening mechanism, and screening mechanism includes dead lever, compression spring, screening frame, screening net, connecting rod, eccentric wheel and driving motor, the dead lever of a set of symmetry of fixedly connected with on the inside both sides wall of screening case respectively, and the outside cover of dead lever is equipped with the compression spring of a set of bilateral symmetry, two the screening frame is respectively through both sides connecting block and dead lever swing joint, and connecting block and compression spring fixed connection, screening net fixed connection is in the inside of screening frame, eccentric wheel fixed connection is at the both ends of connecting rod, and the eccentric wheel passes through the dwang swing joint on the outer wall between the screening frame of bilateral symmetry, driving motor fixed connection is on the left side wall of screening case, and driving motor's output and dwang fixed connection.
Preferably, the feed inlet has been seted up to the top surface of screening case, the discharge gate has been seted up to the front end wall bottom of screening case, and a set of slag notch of bilateral symmetry has been seted up on the rear end wall upper portion of screening case, a set of recess of bilateral symmetry has been seted up respectively on the inside left and right sides wall of screening case, and has still seted up the rotation hole respectively on the left and right sides wall of screening case, the inside below of screening case still fixed mounting has the stock guide of slope.
Preferably, the fixing rod is fixedly arranged in the groove, a group of compression springs which are vertically symmetrical are sleeved outside the fixing rod, and opposite ends of the compression springs which are symmetrical are respectively fixedly arranged on the upper end wall and the lower end wall of the groove.
Preferably, two screening frames are in vertical symmetry, connecting blocks are fixedly installed on two side walls of each screening frame respectively, connecting holes are formed in the top surfaces of the connecting blocks, the connecting blocks are movably installed together through the connecting holes and the fixing rods and fixedly installed with the compression springs, and screening nets are fixedly installed in the screening frames.
Preferably, the mesh density of the screening net in the lower screening frame is greater than that of the screening net in the upper screening frame, and the mesh of the screening net in the lower screening frame is smaller than that of the screening net in the upper screening frame.
Preferably, the eccentric wheels are fixedly installed at the two ends of the connecting rod respectively, the eccentric wheels are located between the two sides of the screening frame which are vertically symmetrical, the rotating rod is fixedly installed on the outer side wall of the eccentric wheels, the rotating rod is movably installed in the rotating hole, the driving motor is fixedly installed on the left side wall of the screening box, and the output end of the driving motor is fixedly installed with the rotating rod on the outer side wall of the left eccentric wheel.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, when the screening mechanism is arranged, when the impurities such as stones mixed in the wheat straw powder are required to be screened and cleaned, the wheat straw powder is put into the screening box from the feed inlet, at the moment, the driving motor drives the output end to drive the eccentric wheels at two ends of the connecting rod to rotate between the screening frames through the rotating rod, and continuously pushes the screening frames up and down in the rotating process, so that the compression springs on the fixing rods are continuously retracted and extended through the connecting blocks, the vertically symmetrical screening frames are continuously vibrated, the larger impurities in the wheat straw powder are screened and filtered after the wheat straw powder falls into the screening net in the screening frame above, the screened impurities in the screening frame below are screened and filtered, the screened wheat straw powder falls onto the guide plate and falls out from the discharge outlet, and the screened impurities are discharged through the discharge outlet, so that the purposes of vibration screening of the wheat straw is achieved, the labor-saving and labor-saving manual screening of the wheat straw powder are achieved, the traditional screening mode is realized, and the labor-saving screening mode is used for replacing the impurities in the traditional wheat straw powder.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of a screening box of the present utility model;
FIG. 3 is a schematic view of the whole structure of the screening mechanism of the present utility model;
fig. 4 is a schematic diagram of the overall structure of the screening frame of the present utility model.
In the figure: 1. a screening box; 2. support legs; 3. a feed inlet; 4. a screening mechanism; 5. a discharge port; 6. a slag outlet; 7. a groove; 8. a rotation hole; 9. a material guide plate; 10. a fixed rod; 11. a compression spring; 12. a screening frame; 13. a connecting block; 14. screening a net; 15. an eccentric wheel; 16. a connecting rod; 17. a rotating lever; 18. a driving motor; 19. and a connection hole.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-4, a wheat straw powder sieving mechanism, including sieving case 1, four angle tip positions in the bottom surface of sieving case 1 are fixedly connected with supporting leg 2 respectively, the inside of sieving case 1 is equipped with sieving mechanism 4, and sieving mechanism 4 includes dead lever 10, compression spring 11, sieving frame 12, sieving net 14, connecting rod 16, eccentric wheel 15 and driving motor 18, a set of symmetrical dead lever 10 of fixedly connected with respectively on the inside both sides wall of sieving case 1, and the outside cover of dead lever 10 is equipped with a set of compression spring 11 of symmetry from top to bottom, two sieving frames 12 are respectively through both sides connecting block 13 and dead lever 10 swing joint, and connecting block 13 and compression spring 11 fixed connection, sieving net 14 fixed connection is in the inside of sieving frame 12, eccentric wheel 15 fixed connection is at the both ends of connecting rod 16, and eccentric wheel 15 is between the sieving frame 12 of symmetry from top to bottom through the dwang 17 swing joint on the outer wall, driving motor 18 fixed connection is on the left side wall of sieving case 1, and the output and dwang 17 fixed connection of driving motor 18.
As shown in fig. 1-4, in this embodiment, in order to replace the manual mode of body to screen and clean the impurities such as stones in the wheat straw powder by the screening mechanism 4, the top surface of the screening box 1 is provided with a feed inlet 3, the bottom of the front end wall of the screening box 1 is provided with a discharge outlet 5, the upper part of the rear end wall of the screening box 1 is provided with a group of slag outlets 6 which are symmetrical up and down, the left and right side walls of the interior of the screening box 1 are respectively provided with a group of grooves 7 which are symmetrical up and down, the left and right side walls of the screening box 1 are respectively provided with a rotating hole 8, the lower part of the interior of the screening box 1 is fixedly provided with inclined guide plates 9, a fixed rod 10 is fixedly arranged in the grooves 7, the outer part of the fixed rod 10 is sleeved with a group of compression springs 11 which are symmetrical up and down, opposite ends of the symmetrical compression springs 11 are respectively fixedly arranged on the upper end wall and the lower end wall of the groove 7, the two screening frames 12 are in up-down symmetry, connecting blocks 13 are respectively and fixedly arranged on two side walls of the screening frames 12, connecting holes 19 are formed in the top surfaces of the connecting blocks 13, the connecting blocks 13 are movably arranged with the fixing rods 10 through the connecting holes 19 and are fixedly arranged with the compression springs 11, screening nets 14 are fixedly arranged in the screening frames 12, the mesh density of the screening nets 14 in the lower screening frame 12 is larger than that of the screening nets 14 in the upper screening frame 12, the mesh density of the screening nets 14 in the lower screening frame 12 is smaller than that of the screening nets 14 in the upper screening frame 12, eccentric wheels 15 are respectively and fixedly arranged at two ends of the connecting rods 16 and are positioned between two sides of the screening frames 12 which are in up-down symmetry, rotating rods 17 are fixedly arranged on the outer side walls of the eccentric wheels 15, and the rotating rods 17 are movably arranged in the rotating holes 8, the driving motor 18 is fixedly arranged on the left side wall of the screening box 1, and the output end of the driving motor 18 is fixedly arranged together with the rotating rod 17 on the outer side wall of the left eccentric wheel 15;
the specific principle of use of the screening mechanism 4 is as follows: starting a driving motor 18 arranged on the left side wall of the screening box 1, wherein the driving motor 18 drives an output end to rotate, the output end drives a rotating rod 17 arranged on the outer side wall of an eccentric wheel 15 to rotate in a rotating hole 8 formed on the two side walls of the screening box 1, the rotating rod 17 drives the eccentric wheel 15 arranged on the two ends of a connecting rod 16 to rotate between the eccentric wheels 15 which are symmetrical up and down, the eccentric wheel 15 continuously hits the screening frame 12 which is symmetrical up and down in the rotating process, at the moment, connecting blocks 13 arranged on the two sides of the screening frame 12 move up and down along a connecting hole 19 formed on the top surface of the screening frame 12 along a fixed rod 10 arranged in a groove 7 formed on the two inner side walls of the screening box 1, and in the moving process, a compression spring 11 sleeved on the fixed rod 10 is forced to continuously retract and extend so as to drive the screening frame 12 which is symmetrical up and down to continuously vibrate, then, the wheat straw powder to be screened is put into the box of the screening box 1 through the feed inlet 3 arranged on the top surface of the screening box 1, and falls onto the screening net 14 arranged in the upper screening frame 12 after entering into the screening box 1, and is subjected to vibration screening through the screening net 14 under the vibration of the screening frame 12, the impurities such as stones mixed in the wheat straw powder are filtered on the screening net 14, and the impurities are shaken out from the slag hole 6 arranged on the rear end wall of the screening box 1 under the continuous vibration, and after the wheat straw powder filtered and screened by the screening net 14 in the upper screening frame 12 falls onto the screening net 14 arranged in the lower screening frame 12, the mesh opening of the screening net 14 arranged in the lower screening frame 12 is smaller than that of the screening net 14 in the upper screening frame 12, and the mesh density of the screening net 14 in the lower screening frame 12 is greater than that of the screening net 14 in the upper screening frame 12, so the screening net 14 in the lower screening frame 12 further screens and filters smaller stones and other impurities mixed in the wheat straw powder, the screened and filtered impurities are discharged through the slag notch 6, the screened wheat straw powder falls onto the inclined guide plate 9 below the screening box 1 and falls out of the discharge port 5 formed in the front end wall of the screening box 1 through the guide plate 9, the wheat straw powder is subjected to vibration screening, and the stones and other impurities in the wheat straw powder can be removed through secondary screening, so that the traditional manual screening mode is replaced, time and labor are saved, and the screening effect and the working efficiency are improved.
The foregoing is only illustrative of the preferred embodiments of the present utility model and, although the present utility model has been described in detail with reference to the foregoing embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model, and equivalents of the features may be substituted for elements thereof without departing from the true spirit and scope of the utility model.
Claims (6)
1. The utility model provides a wheat straw powder sieving mechanism, includes screening case (1), four angle tip positions in bottom surface of screening case (1) are fixedly connected with supporting leg (2) respectively, its characterized in that: the inside of screening case (1) is equipped with screening mechanism (4), and screening mechanism (4) including dead lever (10), compression spring (11), screening frame (12), screening net (14), connecting rod (16), eccentric wheel (15) and driving motor (18), respectively fixedly connected with a set of symmetrical dead lever (10) on the inside both sides wall of screening case (1), and the outside cover of dead lever (10) is equipped with a set of compression spring (11) of upper and lower symmetry, two screening frame (12) are respectively through both sides connecting block (13) and dead lever (10) swing joint, and connecting block (13) and compression spring (11) fixed connection, screening net (14) fixed connection is in the inside of screening frame (12), eccentric wheel (15) fixed connection is at the both ends of connecting rod (16), and eccentric wheel (15) are through dwang (17) swing joint on the outer wall between upper and lower symmetrical screening frame (12), driving motor (18) fixed connection is on the left side wall of screening case (1), and output motor (18) and driving motor (17) fixed connection.
2. The wheat straw powder screening device according to claim 1, wherein: feed inlet (3) have been seted up to the top surface of screening case (1), discharge gate (5) have been seted up to the front end wall bottom of screening case (1), and a set of slag notch (6) of symmetry from top to bottom have been seted up on the rear end wall upper portion of screening case (1), a set of recess (7) of symmetry from front to bottom have been seted up respectively on the inside left and right sides wall of screening case (1), and still have seted up rotation hole (8) respectively on the left and right sides wall of screening case (1), guide plate (9) of slope still fixed mounting are located to the inside below of screening case (1).
3. The wheat straw powder screening device according to claim 2, wherein: the fixing rod (10) is fixedly arranged in the groove (7), a group of compression springs (11) which are vertically symmetrical are sleeved outside the fixing rod (10), and opposite ends of the compression springs (11) which are symmetrical are respectively fixedly arranged on the upper end wall and the lower end wall in the groove of the groove (7).
4. A wheat straw powder screening apparatus according to claim 3, wherein: two screening frames (12) present the upper and lower symmetry form, and fixed mounting has connecting block (13) on the both sides wall of screening frame (12) respectively, connecting hole (19) have been seted up to the top surface of connecting block (13), and connecting block (13) are in the same place with dead lever (10) movable mounting and with compression spring (11) fixed mounting through connecting hole (19), still fixed mounting has screening net (14) in the frame of screening frame (12).
5. The wheat straw powder screening device according to claim 4, wherein: the mesh density of the screening net (14) in the lower screening frame (12) is larger than that of the screening net (14) in the upper screening frame (12), and the mesh of the screening net (14) in the lower screening frame (12) is smaller than that of the screening net (14) in the upper screening frame (12).
6. The wheat straw powder screening device according to claim 5, wherein: the two ends of the connecting rod (16) are respectively and fixedly provided with an eccentric wheel (15), the eccentric wheels (15) are positioned between two sides of the screening frame (12) which are vertically symmetrical, a rotating rod (17) is fixedly arranged on the outer side wall of the eccentric wheel (15), the rotating rod (17) is movably arranged in the rotating hole (8), a driving motor (18) is fixedly arranged on the left side wall of the screening box (1), and the output end of the driving motor (18) is fixedly arranged together with the rotating rod (17) on the outer side wall of the left eccentric wheel (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321411078.3U CN220195496U (en) | 2023-06-05 | 2023-06-05 | Wheat straw powder sieving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321411078.3U CN220195496U (en) | 2023-06-05 | 2023-06-05 | Wheat straw powder sieving mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220195496U true CN220195496U (en) | 2023-12-19 |
Family
ID=89137960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321411078.3U Active CN220195496U (en) | 2023-06-05 | 2023-06-05 | Wheat straw powder sieving mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220195496U (en) |
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2023
- 2023-06-05 CN CN202321411078.3U patent/CN220195496U/en active Active
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