CN110663508A

CN110663508A - Closed squeezing type stirring device and seedling raising slurry machine with same

Info

Publication number: CN110663508A
Application number: CN201910923507.7A
Authority: CN
Inventors: 谢方平; 康家鑫; 刘大为; 李旭; 王修善
Original assignee: Hunan Agricultural University
Current assignee: Hunan Agricultural University
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-01-10
Anticipated expiration: 2039-09-27
Also published as: CN110663508B

Abstract

The invention discloses a closed squeezing type stirring device and a seedling raising slurry machine with the same, wherein the closed squeezing type stirring device comprises: one end of the stirring device shell is provided with a feeding hole, and the other end of the stirring device shell is provided with a discharging hole; the stirring shaft is rotatably arranged in the stirring device shell, one end of the stirring shaft, which is close to the feed inlet, is provided with a soil cutter, and one end of the stirring shaft, which is close to the discharge outlet, is provided with a screw conveyor blade; and the disc baffle is arranged on the stirring shaft and is positioned between the soil cutting knife and the auger blade, and a gap for slurry to pass through is reserved between the outer edge of the disc baffle and the inner wall of the stirring device shell. This seal crowded thick liquid formula agitating unit and sprout cultivation mud machine sets up the clearance that supplies the qualified mud of particle diameter to pass through between the inner wall of the outer edge of disc baffle and agitating unit casing through setting up the disc baffle between soil cutter and screw feeder blade, can carry out abundant smashing with soil, improves the quality of mud.

Description

Closed squeezing type stirring device and seedling raising slurry machine with same

Technical Field

The invention relates to the technical field of agricultural machinery, in particular to a closed pulp squeezing type stirring device and a seedling raising slurry machine with the same.

Background

The rice field seedling raising slurry machine has the advantages of being capable of reducing labor intensity, high in production efficiency and the like. However, in the current slurry machine for raising rice seedlings in the field, in the process of producing slurry, the fed soil is easily conveyed out of the stirring device without being fully smashed, the quality of the produced slurry is influenced, and the waste of raw materials is also caused.

Disclosure of Invention

The invention mainly aims to provide a closed squeezing type stirring device and a seedling raising slurry machine with the same, and aims to solve the problems that slurry produced by a rice field seedling raising slurry machine in the prior art is low in quality and large in raw material waste.

In order to achieve the above object, according to one aspect of the present invention, there is provided a closed-squeeze stirring apparatus including:

one end of the stirring device shell is provided with a feeding hole, and the other end of the stirring device shell is provided with a discharging hole;

the stirring shaft is rotatably arranged in the stirring device shell, one end of the stirring shaft, which is close to the feed inlet, is provided with a soil cutter, and one end of the stirring shaft, which is close to the discharge outlet, is provided with a screw conveyor blade;

and the disc baffle is arranged on the stirring shaft and is positioned between the soil cutting knife and the auger blade, and a gap for slurry to pass through is reserved between the outer edge of the disc baffle and the inner wall of the stirring device shell.

Further, the gap has a width L, wherein L is less than or equal to the maximum particle size of the particles in the agronomically desirable slurry.

Further, the stirring shaft includes:

the soil cutting shaft is arranged on one side, close to the feeding port, in the stirring device shell, and is a hollow shaft, the soil cutting knife is arranged on the soil cutting shaft, one end of the soil cutting shaft is rotatably arranged on the feeding end plate of the stirring device shell and extends out of the feeding end plate, and the end, extending out of the feeding end plate, of the soil cutting shaft is provided with a soil cutting shaft driven sprocket;

the screw feeder axle is installed in the agitating unit casing, and the screw feeder blade is installed at the screw feeder epaxially, and the one end of screw feeder axle is rotationally installed on the discharge end plate of agitating unit casing, and the other end of screw feeder axle wears to establish and just stretches out from cutting the soil axle in cutting the soil axle, and the screw feeder axle is equipped with differential bearing with cutting between the soil axle, and screw feeder axle is installed screw feeder axle driven sprocket from the one end of cutting the soil axle and stretching out.

Furthermore, differential bearings are respectively installed in shaft holes at two ends of the soil cutting shaft, the auger shaft penetrates through inner holes of the two differential bearings, and the soil cutting shaft and the auger shaft are collinear in axis.

Furthermore, one end of the soil cutting shaft extending into the shell of the stirring device is provided with a soil cutting shaft end cover through an end cover bolt, and an end cover oil seal is arranged between the soil cutting shaft end cover and the differential bearing.

Furthermore, an inlet bearing seat is installed on the feeding end plate through a fastening bolt, the soil cutting shaft is rotatably installed on the inlet bearing seat through an inlet bearing, an inlet oil seal is arranged on the inner side close to the inlet bearing on the soil cutting shaft, and an inlet clamping ring is arranged on the outer side close to the inlet bearing on the soil cutting shaft.

Furthermore, the soil cutting shaft driven sprocket is installed on the soil cutting shaft through a flat key, and the auger shaft driven sprocket is installed on the auger shaft through a flat key.

Furthermore, an outlet bearing seat is arranged on the discharge end plate, the auger shaft is rotatably installed on the outlet bearing seat through an outlet bearing, an outlet oil seal is arranged on the inner side close to the outlet bearing on the auger shaft, and an outlet clamping ring is arranged on the outer side close to the outlet bearing on the outlet bearing seat.

According to another aspect of the invention, the rice field seedling raising slurry machine comprises a frame, wherein a stirring motor is arranged on the frame, the frame is provided with the closed squeezing type stirring device, the output end of the stirring motor is connected with a soil cutting shaft driving chain wheel and an auger shaft driving chain wheel, the soil cutting shaft driving chain wheel is connected with a soil cutting shaft driven chain wheel through a chain, and the auger shaft driving chain wheel is connected with an auger shaft driven chain wheel through a chain.

Further, the discharge end of the stirring device shell is arranged in an upward inclined mode, so that the height of the discharge end of the stirring device shell is higher than that of the feed end of the stirring device shell.

By applying the technical scheme of the invention, the disc baffle is arranged between the soil cutting knife and the auger blade, the slurry and the incompletely-smashed soil can only be extruded through the gap under the conveying of the soil cutting knife, soil particles with the particle size larger than the gap in the slurry can be blocked in the soil smashing area by the disc baffle, and the soil cutting knife continues to smash until the particle size is smaller than the gap. This seal crowded pulp formula agitating unit is through setting up foretell disc baffle, can carry out abundant smashing with soil, improves the quality of mud.

In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of a closed-type squeezing stirring device according to an embodiment of the present invention.

Fig. 2 is a schematic internal perspective view of a closed-type paddle stirring device according to an embodiment of the present invention.

Fig. 3 is a schematic internal top view of a closed-type paddle mixing device according to an embodiment of the present invention.

Fig. 4 is a partially enlarged view of fig. 3 at D.

Fig. 5 is a schematic view of a partial structure of the feed end of the closed-type paddle stirring device according to the embodiment of the invention.

Fig. 6 is a schematic internal sectional view of a closed-type paddle stirring device according to an embodiment of the present invention.

Fig. 7 is a partial enlarged view of a portion a in fig. 6.

Fig. 8 is a partial enlarged view of fig. 6 at B.

Fig. 9 is a partial enlarged view at C in fig. 6.

Fig. 10 is an axonometric view of the seedling raising slurry machine according to the embodiment of the invention.

Fig. 11 is an axonometric view of another direction of the seedling raising slurry machine according to the embodiment of the invention.

Wherein the figures include the following reference numerals:

10. a stirring device housing; 11. a feed inlet; 12. a discharge port; 13. fastening a bolt; 14. an inlet bearing seat; 15. an outlet bearing seat; 16. a soil feeding hopper; 17. a charging chute; 21. a soil cutter; 22. a screw blade; 23. cutting a soil shaft; 24. a soil cutting shaft driven sprocket; 25. a screw shaft; 26. a differential bearing; 27. a screw shaft driven sprocket; 30. a disc baffle plate; 40. a gap; 60. a frame; 70. a stirring motor; 80. a soil cutting shaft drive sprocket; 90. a screw shaft drive sprocket; 231. an end cap bolt; 232. cutting the soil shaft end cover; 233. end cover oil seal; 234. an inlet bearing; 235. an inlet oil seal; 236. an inlet snap ring; 251. an outlet bearing; 252. an outlet oil seal; 253. an outlet snap ring.

Detailed Description

In order to facilitate an understanding of the invention, the invention will be described more fully and in detail below with reference to the accompanying drawings and preferred embodiments, but the scope of the invention is not limited to the specific embodiments below. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The use of "first," "second," and similar terms in the description and in the claims of the present application do not denote any order, quantity, or importance, but rather the intention is to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.

Example 1

Referring to fig. 1 to 9, a closed-type paddle stirring device according to an embodiment of the present invention mainly includes a stirring device housing 10, a stirring shaft 20, and a disc baffle 30. Wherein, one end of the stirring device shell 10 is provided with a feeding hole 11, and the other end of the stirring device shell 10 is provided with a discharging hole 12; a soil feeding hopper 16 is arranged at the position of the feeding hole 11, and a charging chute 17 is arranged below the discharging hole 12; the stirring shaft 20 is rotatably arranged in the stirring device shell 10, one end of the stirring shaft 20 close to the feed inlet 11 is provided with a soil cutting knife 21, and one end of the stirring shaft 20 close to the discharge outlet 12 is provided with an auger blade 22; the disc baffle 30 is arranged on the stirring shaft 20 and is positioned between the soil cutter 21 and the auger blade 22, and a gap 40 for slurry to pass through is reserved between the outer edge of the disc baffle 30 and the inner wall of the stirring device shell 10. Specifically, the gap 40 has a width L (see FIG. 4) that is less than or equal to the maximum particle size of the particles in the agronomically desirable slurry.

In the closed pulp-extruding type stirring device, the disc baffle 30 is arranged between the soil-cutting knife 21 and the auger blade 22, so that the slurry and the soil which is not completely crushed can only be extruded through the gap 40 under the conveying of the soil-cutting knife 21, soil particles with the particle size larger than the gap 40 in the slurry can be blocked in a soil-crushing area by the disc baffle 30, and the soil-cutting knife 21 continuously crushes the soil until the particle size is smaller than the gap 40. According to the closed squeezing type stirring device, the disc baffle 30 is arranged, so that soil can be fully smashed, and the quality of slurry is improved.

In order to further improve the quality of the slurry, in this embodiment the mixing shaft 20 comprises a soil cutting shaft 23 and an auger shaft 25, see fig. 6, 7 and 8. The soil cutting shaft 23 is arranged on one side, close to the feeding port 11, in the stirring device shell 10, the soil cutting shaft 23 is a hollow shaft, the soil cutting knife 21 is welded and arranged on the soil cutting shaft 23, one end of the soil cutting shaft 23 is rotatably arranged on a feeding end plate of the stirring device shell 10 and extends out of the feeding end plate, and a soil cutting shaft driven sprocket 24 is arranged at one end, extending out of the feeding end plate, of the soil cutting shaft 23 through a flat key; screw feeder axle 25 is installed in agitating unit casing 10, and screw feeder blade 22 welded mounting is on screw feeder axle 25, and the one end of screw feeder axle 25 is rotationally installed on the discharge end plate of agitating unit casing 10, and the other end of screw feeder axle 25 is worn to establish and is cut in soil axle 23 and stretch out from cutting soil axle 23, is equipped with differential bearing 26 between screw feeder axle 25 and the soil axle 23 of cutting, and screw feeder axle driven sprocket 27 is installed from the one end of cutting soil axle 23 and stretching out to screw feeder axle 25. The soil cutting shaft driven sprocket 24 is installed at one end of the soil cutting shaft 23 extending from the feed end plate through a flat key, and the auger shaft driven sprocket 27 is installed at one end of the auger shaft 25 extending from the soil cutting shaft 23 through a flat key.

According to the arrangement, the chopping component and the conveying auger are separated into two shafts, the soil cutting shaft 23 is a hollow shaft, one end of the auger shaft 25 is arranged in the soil cutting shaft 23 in a penetrating mode, the auger shaft 25 is connected with the soil cutting shaft 23 through the differential bearing 26, and the soil cutting shaft driven sprocket 24 and the auger shaft driven sprocket 27 are respectively arranged on the soil cutting shaft 23 and the auger shaft 25; when the screw feeder is used, when the screw feeder shaft 25 and the soil cutting shaft 23 start to rotate, the differential bearing 26 is arranged between the screw feeder shaft 25 and the soil cutting shaft 23, so that when the rotating speeds of the screw feeder shaft driven sprocket 27 and the soil cutting shaft driven sprocket 24 are different, the screw feeder shaft 25 and the soil cutting shaft 23 can move at different rotating speeds, and the screw feeder blade 22 and the soil cutting knife 21 can rotate at different rotating speeds. The rotation speed of the auger blade 22 can be set slower than that of the soil cutter 21, so that the soil can be sufficiently cut, the waste of the soil is avoided, and the slurry quality is improved.

Specifically, referring to fig. 6, in the present embodiment, two differential bearings 26 are respectively installed in the shaft holes at two ends of the soil cutting shaft 23, the auger shaft 25 is inserted into the inner holes of the two differential bearings 26, and the axes of the soil cutting shaft 23 and the auger shaft 25 are collinear. By such arrangement, the soil cutting shaft 23 and the auger shaft 25 can be more stably rotated. The differential bearing 26 is preferably a deep groove ball bearing.

Referring to fig. 7, in the present embodiment, an end of the soil cutting shaft 23 extending into the mixer housing 10 is mounted with a soil cutting shaft cover 232 by a cover bolt 231, and a cover oil seal 233 is provided between the soil cutting shaft cover 232 and the differential bearing 26. Thus, the sealing performance between the soil cutting shaft 23 and the auger shaft 25 can be improved, and the slurry in the stirring device housing 10 can be prevented from leaking from the gap between the soil cutting shaft 23 and the auger shaft 25.

Referring to fig. 8, in this embodiment, an inlet bearing seat 14 is fixedly mounted on the end plate of the feeding end through a fastening bolt 13, the soil cutting shaft 23 is rotatably mounted on the inlet bearing seat 14 through an inlet bearing 234, an inlet oil seal 235 is further disposed on the soil cutting shaft 23 at the inner side close to the inlet bearing 234, and an inlet snap ring 236 is disposed on the soil cutting shaft 23 at the outer side close to the inlet bearing 234. An inlet snap ring 236 is secured to the soil cutting shaft 23 by a locating groove on the soil cutting shaft 23, an inlet bearing 234 is mounted in the inlet bearing housing 14, and the inlet bearing 234 is located by a shoulder of the soil cutting shaft 23 and the inlet snap ring 236. With this arrangement, the soil cutting shaft 23 can be rotated stably in the mixer housing 10, and the slurry in the mixer housing 10 can be prevented from leaking out through the gap between the soil cutting shaft 23 and the inlet bearing housing 14.

Referring to fig. 9, in the present embodiment, the outlet bearing seat 15 is welded to the discharging end plate, the auger shaft 25 is rotatably mounted on the outlet bearing seat 15 through an outlet bearing 251, an outlet oil seal 252 is disposed on the auger shaft 25 at an inner side close to the outlet bearing 251, and an outlet snap ring 253 is disposed on the outlet bearing seat 15 at an outer side close to the outlet bearing 251. The outlet retainer ring 253 is positioned by a locating groove on the outlet bearing housing 15 and the outlet bearing 251 is positioned by the outlet retainer ring 253 and the auger shaft 25 shoulder. With this arrangement, the auger shaft 25 can be stably rotated in the mixer housing 10, and the slurry in the mixer housing 10 can be prevented from leaking out through the gap between the auger shaft 25 and the outlet bearing block 15.

Example 2

Referring to fig. 1 to 11, a seedling raising slurry machine according to an embodiment of the present invention mainly includes a frame 60, a stirring motor 70, and a closed slurry-squeezing type stirring device. Wherein, agitator motor 70 and closed crowded thick liquid formula agitating unit all set up in frame 60, and agitator motor 70's output is connected with through drive mechanism and cuts native axle drive sprocket 80 and screw feeder axle drive sprocket 90, should cut native axle drive sprocket 80 and be connected with cutting native axle driven sprocket 24 through the chain, and screw feeder axle drive sprocket 90 passes through the chain and is connected with screw feeder axle driven sprocket 27. The closed-squeezing stirring device in this embodiment is the same as that in embodiment 1, and will not be described again.

In the seedling raising slurry machine, the disc baffle 30 is arranged between the soil cutting knife 21 and the auger blade 22, the slurry and the soil which is not completely crushed can only be squeezed through the gap 40 under the conveying of the soil cutting knife 21, soil particles with the particle size larger than L in the slurry can be blocked in the soil crushing area by the disc baffle 30, and the soil particles are continuously crushed by the soil cutting knife 21 until the particle size is smaller than L. By arranging the disc baffle 30, soil can be sufficiently smashed, and the quality of slurry is improved.

Through cutting up the part with carrying the screw feeder separately for two axles with among the closed agitating unit, and two axles pass through differential bearing 26 and connect, cut native sword 21 and screw feeder blade 22's rotational speed can be inequality, can set up the rotational speed that is greater than screw feeder blade 22 with cutting the rotational speed of native sword 21 to further fully cut up soil, avoid soil extravagant, improve mud quality.

Particularly, cut native axle drive sprocket 80 and auger axle drive sprocket 90 and can set up on same root axis (see fig. 10 and 11), and when adopting this kind of mode, the accessible sets up the size and the number of teeth of cutting native axle drive sprocket 80 and auger axle drive sprocket 90, cutting native axle driven sprocket 24 and auger axle driven sprocket 27, realizes that the rotational speed of cutting native sword 21 is different with auger blade 22. In this way, only one stirring motor 70 can be adopted, and the structure is relatively simple. Of course, two stirring motors 70 may be used to rotate the soil cutter 21 and the auger blade 22. In this way, the rotation speeds of the soil cutter 21 and the auger blade 22 can be made different by adjusting the rotation speeds of the two stirring motors 70. This approach is relatively complicated in construction, but is more convenient for speed adjustment.

Referring to fig. 10 and 11, in this embodiment, the discharge end of the mixer housing 10 is disposed at a slight upward inclination such that the height of the discharge end of the mixer housing 10 is slightly higher than the height of the feed end thereof. With this arrangement, the soil can be shredded for a longer period of time within the mixer housing 10, further improving the slurry quality.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A closed wringing paddle stirring device, comprising:

the stirring device comprises a stirring device shell (10), wherein a feeding hole (11) is formed in one end of the stirring device shell (10), and a discharging hole (12) is formed in the other end of the stirring device shell (10);

the stirring shaft (20) is rotatably arranged in the stirring device shell (10), one end of the stirring shaft (20) close to the feeding hole (11) is provided with a soil cutting knife (21), and one end of the stirring shaft (20) close to the discharging hole (12) is provided with a screw feeder blade (22);

disc baffle (30), install on (mixing) shaft (20), and be located cut native sword (21) with between screw feeder blade (22), the outer edge of disc baffle (30) with leave clearance (40) that supply mud to pass through between the inner wall of agitating unit casing (10).

2. The closed-squeezable mixing device according to claim 1, wherein said gap (40) has a width L, wherein L is less than or equal to the maximum value of the particle size of the particles in the agronomically required slurry.

3. The closed-squeezable mixing device according to claim 1, wherein said mixing shaft (20) comprises:

the soil cutting shaft (23) is mounted on one side, close to the feeding port (11), in the stirring device shell (10), the soil cutting shaft (23) is a hollow shaft, the soil cutting knife (21) is mounted on the soil cutting shaft (23), one end of the soil cutting shaft (23) is rotatably mounted on a feeding end plate of the stirring device shell (10) and extends out of the feeding end plate, and a soil cutting shaft driven sprocket (24) is mounted at one end, extending out of the feeding end plate, of the soil cutting shaft (23);

screw feeder axle (25), install in agitating unit casing (10), install screw feeder blade (22) on screw feeder axle (25), the one end of screw feeder axle (25) is rotationally installed on the discharge end plate of agitating unit casing (10), the other end of screw feeder axle (25) is worn to establish cut in soil axle (23) and follow cut soil axle (23) and stretch out, screw feeder axle (25) with be equipped with differential bearing (26) between soil axle (23) surely, screw feeder axle (25) are followed cut the one end that soil axle (23) stretched out and install screw feeder axle driven sprocket (27).

4. The closed squeezing type stirring device according to claim 3, wherein the axle holes at two ends of the soil cutting axle (23) are respectively provided with one differential bearing (26), the auger axle (25) is arranged in the inner holes of the two differential bearings (26), and the axle centers of the soil cutting axle (23) and the auger axle (25) are collinear.

5. The closed-type propeller-driven mixer according to claim 3, wherein the end of the soil-cutting shaft (23) extending into the mixer housing (10) is provided with a soil-cutting shaft end cover (232) by an end cover bolt (231), and an end cover oil seal (233) is arranged between the soil-cutting shaft end cover (232) and the differential bearing (26).

6. The closed-type mixing apparatus as claimed in claim 3, wherein the inlet bearing seat (14) is mounted on the feeding end plate through a fastening bolt (13), the soil cutting shaft (23) is rotatably mounted on the inlet bearing seat (14) through an inlet bearing (234), an inlet oil seal (235) is disposed on the soil cutting shaft (23) at the inner side close to the inlet bearing (234), and an inlet snap ring (236) is disposed on the soil cutting shaft (23) at the outer side close to the inlet bearing (234).

7. The closed-squeezable mixing apparatus according to claim 3, wherein said soil-cutting shaft driven sprocket (24) is mounted on said soil-cutting shaft (23) by flat key, and said auger shaft driven sprocket (27) is mounted on said auger shaft (25) by flat key.

8. The closed-type mixing apparatus as claimed in claim 3, wherein the discharge end plate is provided with an outlet bearing seat (15), the auger shaft (25) is rotatably mounted on the outlet bearing seat (15) through an outlet bearing (251), the auger shaft (25) is provided with an outlet oil seal (252) on the inner side close to the outlet bearing (251), and the outlet bearing seat (15) is provided with an outlet snap ring (253) on the outer side close to the outlet bearing (251).

9. A rice field seedling raising slurry machine comprises a machine frame (60), wherein a stirring motor (70) is arranged on the machine frame (60), and the rice field seedling raising slurry machine is characterized in that the machine frame (60) is provided with the closed slurry squeezing type stirring device according to any one of claims 3-8, the output end of the stirring motor (70) is connected with a soil cutting shaft driving sprocket (80) and an auger shaft driving sprocket (90), the soil cutting shaft driving sprocket (80) is connected with a soil cutting shaft driven sprocket (24) through a chain, and the auger shaft driving sprocket (90) is connected with an auger shaft driven sprocket (27) through a chain.

10. A slurry machine for raising rice seedlings in paddy fields as claimed in claim 9, characterized in that the discharge end of the casing (10) of the stirring device is inclined upward so that the height of the discharge end of the casing (10) of the stirring device is higher than the height of the feed end thereof.