阅读说明：本技术 一种带风选筛腔的秸秆粉碎装置 (Straw smashing device with air separation sieve cavity ) 是由 马俊清 于 2020-12-28 设计创作，主要内容包括：本发明涉及秸秆粉碎领域,尤其涉及一种带风选筛腔的秸秆粉碎装置,该秸秆粉碎装置包括：支撑台、破碎腔体、粉碎筛选装置、电机、输送通道、收集箱,所述破碎腔体设置在支撑台上,粉碎筛选装置设置在破碎腔体的内部,电机用于驱动粉碎筛选装置,输送通道与粉碎筛选装置相连,收集箱设置在输送通道的下方；发明通过对粉碎筛选装置结构的改变,提升了秸秆粉碎效果,同时解决了秸秆容易堆积在粉碎腔底部不易排出的问题。(The invention relates to the field of straw crushing, in particular to a straw crushing device with an air separation sieve cavity, which comprises: the crushing and screening device comprises a supporting table, a crushing cavity, a crushing and screening device, a motor, a conveying channel and a collecting box, wherein the crushing cavity is arranged on the supporting table, the crushing and screening device is arranged inside the crushing cavity, the motor is used for driving the crushing and screening device, the conveying channel is connected with the crushing and screening device, and the collecting box is arranged below the conveying channel; according to the straw crushing and screening device, the structure of the crushing and screening device is changed, so that the straw crushing effect is improved, and the problem that straws are easy to accumulate at the bottom of the crushing cavity and are difficult to discharge is solved.)

1. A straw crushing device with an air separation sieve cavity comprises a supporting table 1, a crushing cavity 2, a crushing and screening device 3, a motor 4, a conveying channel 5 and a collecting box 6, wherein the crushing cavity 2 is arranged on the supporting table 1, the crushing and screening device 3 is arranged inside the crushing cavity 2, the motor 4 is used for driving the crushing and screening device 3, the conveying channel 5 is connected with the crushing and screening device 3, and the collecting box 6 is arranged below the conveying channel 5;

the crushing cavity 2 is a hollow rectangular body with an open top end, and a cover plate 21 is arranged at the top end of the crushing cavity 2;

the method is characterized in that: the crushing and screening device 3 includes: the crushing and screening cavity 31, the blade 32, the hollow shaft 33, the bevel gear I34, the fan 35, the rotating shaft 36, the bevel gear II 37 and the bevel gear III 38; the crushing and screening cavity 31 is a hollow cylinder with an open end, the inner peripheral wall of the crushing and screening cavity 31 close to the open end is provided with an annular groove 311, the peripheral wall of the crushing and screening cavity 31 is uniformly provided with a plurality of screening holes 312, the number of blades 32 is multiple, and the blades 32 are arranged on the outer peripheral wall of the crushing and screening cavity 31 at equal intervals; the hollow shaft 33 is fixedly arranged at one end of the crushing and screening cavity 31, one end of the hollow shaft 33 is communicated with the inside of the crushing and screening cavity 31, the hollow shaft 33 is coaxial with the crushing and screening cavity 31, the other end of the hollow shaft 33 penetrates through the crushing cavity 2 and extends to the outside, the hollow shaft 33 is rotatably arranged in a bearing on the side wall of the crushing cavity 2, the first bevel gear 34 is a hollow gear, and the first bevel gear 34 is fixedly sleeved at one end of the hollow shaft 33 outside the crushing cavity 2; the fan 35 is arranged at a position, close to the open end, of the crushing and screening cavity 31, wherein an outer cover of the fan 35 is fixedly arranged in the conveying channel 5 at one end of the crushing and screening cavity 31, the fan 35 is driven by a rotating shaft 36, one end of the rotating shaft 36 penetrates through the hollow shaft 33 to extend to the outer end of the crushing cavity 2 and is rotatably arranged in a bearing on the support plate 11, the rotating shaft 36 is not in contact with the hollow shaft 33, a second bevel gear 37 is fixedly arranged on the rotating shaft 36 outside the crushing cavity 2, the second bevel gear 37 is opposite to the first bevel gear 34, the second bevel gear 37 and the first bevel gear 34 are respectively meshed with a third bevel gear 38, and the third bevel gear; the motor 4 is started to drive the bevel gear III 38 to rotate, and further drive the bevel gear II 37 and the bevel gear I34 to rotate, so that the crushing and screening cavity 31 and the fan 35 rotate simultaneously;

conveying channel 5 is fixed to be set up on brace table 1, conveying channel 5 is horizontal end 51 and vertical end 52 curved surface fitting pipeline, the open end of smashing screening chamber 31 is inserted to conveying channel 5's horizontal end 51's one end, conveying channel 5 and smashing screening chamber 31 intercommunication, set up annular protrusion 53 on conveying channel 5's horizontal end 51's the periphery wall, annular protrusion 53 corresponds to rotate and sets up inside annular groove 311, make and smash screening chamber 31 and stably rotate, conveying channel 5's horizontal end 51's one end passes broken cavity 2, conveying channel 5's vertical end 52 is outside broken cavity 2, conveying channel 5's vertical end 52 passes brace table 1 and extends to brace table 1 below.

2. The straw crushing device with the air separation sieve cavity as claimed in claim 1, wherein: the blade edge of the blade 32 is a triangular blade edge.

3. The straw crushing device with the air separation sieve cavity as claimed in claim 2, wherein: triangular blades are arranged on two sides of the blade 32.

Technical Field

The invention relates to the field of straw crushing, in particular to a straw crushing device with an air separation sieve cavity.

Background

The straw pulverizer is widely used in agricultural production as one of organic fertilizer production equipment. The straw is treated and needs to be crushed and then recycled, and the straw crusher can crush the combustible crop waste straws such as corn stalks, straws, peanut skin, bean stalks and the like, so that the crop straws are prevented from being burnt in white, the environment is well protected, and the renewable energy is effectively developed.

Most of straw crushers have poor crushing effect when crushing straws, and the crushed straws are easy to accumulate at the bottom of the straw crusher.

Therefore, the structure of the straw pulverizer can be further optimized.

Disclosure of Invention

Therefore, the present invention has been made in view of the above problems, and the present invention solves the problems that the conventional straw crushing effect is not good and the crushed straw is easily accumulated at the bottom of the straw crusher by changing the structure of the crushing and screening device. The invention realizes the aim through the following technical scheme:

the invention provides a straw crushing device with an air separation sieve cavity, which comprises: the crushing and screening device comprises a supporting table, a crushing cavity, a crushing and screening device, a motor, a conveying channel and a collecting box, wherein the crushing cavity is arranged on the supporting table, the crushing and screening device is arranged inside the crushing cavity, the motor is used for driving the crushing and screening device, the conveying channel is connected with the crushing and screening device, and the collecting box is arranged below the conveying channel;

the crushing cavity is a hollow rectangular body with an open top end, and a cover plate is arranged at the top end of the crushing cavity;

the crushing and screening device comprises: the crushing and screening device comprises a crushing and screening cavity, blades, a hollow shaft, a bevel gear I, a fan, a rotating shaft, a bevel gear II and a bevel gear III; the crushing and screening cavity is a hollow cylinder with an open end, an annular groove is formed in the inner peripheral wall, close to the open end, of the crushing and screening cavity, a plurality of screening holes are uniformly formed in the peripheral wall of the crushing and screening cavity, the number of blades is multiple, and the blades are arranged on the outer peripheral wall of the crushing and screening cavity at equal intervals; the hollow shaft is fixedly arranged at one end of the crushing and screening cavity, one end of the hollow shaft is communicated with the inside of the crushing and screening cavity and is coaxial with the crushing and screening cavity, the other end of the hollow shaft penetrates through the crushing cavity and extends to the outside, the hollow shaft is rotatably arranged in a bearing on the side wall of the crushing cavity, a first bevel gear is a hollow gear, and the first bevel gear is fixedly sleeved at one end of the hollow shaft outside the crushing cavity; the fan is arranged at a position, close to the open end, of the crushing and screening cavity, an outer cover of the fan is fixedly arranged in a conveying channel at one end of the crushing and screening cavity, the fan is driven by a rotating shaft, one end of the rotating shaft penetrates through the hollow shaft to extend to the outer end of the crushing cavity and is rotatably arranged in a bearing on the support plate, the rotating shaft is not in contact with the hollow shaft, a second bevel gear is fixedly arranged on the rotating shaft outside the crushing cavity, the second bevel gear is opposite to the first bevel gear, the second bevel gear and the first bevel gear are respectively meshed with a third bevel gear, and the third;

the conveying channel is fixedly arranged on the supporting table and is a curved surface fitting pipeline with a transverse end and a longitudinal end, one end of the transverse end of the conveying channel is inserted into the open end of the crushing and screening cavity and is communicated with the crushing and screening cavity, an annular bulge is arranged on the outer peripheral wall of the transverse end of the conveying channel and is correspondingly and rotatably arranged inside the annular groove, so that the crushing and screening cavity stably rotates, one end of the transverse end of the conveying channel penetrates through the crushing cavity, the longitudinal end of the conveying channel is arranged outside the crushing cavity, and the longitudinal end of the conveying channel penetrates through the supporting table and extends to the position below the supporting table; the collecting box is arranged below the transverse end of the conveying channel.

The invention has the following beneficial effects:

1. according to the crushing and screening device, due to the arrangement of the structure, when the blades on the crushing and screening cavity crush the straws, the fan generates suction force to suck the crushed straws meeting the requirement into the crushing and screening cavity through the screening holes on the crushing and screening cavity, the screening is realized while the crushing is carried out, the crushing efficiency is improved, meanwhile, the crushing and screening device is realized only through a power device, the cost is low, and due to the arrangement of the wind power screening, impurities such as sand stones with the weight exceeding the wind suction effect cannot enter the crushing and screening cavity, the impurities such as sand stones are further prevented from being doped in the output straws, and the finished product quality of the output straws is improved.

2. The arrangement of the fan realizes wind screening, and simultaneously improves the crushing effect; under the common condition, the cutter rotates to cut and crush the straws, the crushed straws can fall to the bottom of the cavity, and the straws falling to the bottom comprise straws which are not crushed completely.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention.

Fig. 3 is a schematic view of the overall structure of the crushing and screening device of the present invention.

Fig. 4 is a first detailed schematic view of the crushing and screening device of the invention.

Fig. 5 is a second detailed schematic view of the crushing and screening device of the invention.

Fig. 6 is a schematic diagram showing the position details of the bevel gear of the crushing and screening device of the present invention.

Wherein, the flow rate of the water is controlled by the control unit.

Detailed Description

Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, so that those embodiments can be easily implemented by those having ordinary skill in the art to which the present invention pertains. However, the present invention may be embodied in many different forms and is not limited to the embodiments described below. In addition, in order to more clearly describe the present invention, components not connected to the present invention will be omitted from the drawings.

As shown in fig. 1-2, a straw crushing device with an air separation sieve cavity comprises: the device comprises a supporting table 1, a crushing cavity 2, a crushing and screening device 3, a motor 4, a conveying channel 5 and a collecting box 6;

the crushing cavity 2 is arranged on the supporting table 1, the crushing and screening device 3 is arranged inside the crushing cavity 2, the motor 4 is used for driving the crushing and screening device 3, the conveying channel 5 is connected with the crushing and screening device 3, and the collecting box 6 is arranged below the conveying channel 5;

the crushing cavity 2 is a hollow rectangular body with an open top end, and a cover plate 21 is arranged at the top end of the crushing cavity 2;

as shown in fig. 3 to 6, the crushing and screening apparatus 3 includes: the crushing and screening cavity 31, the blade 32, the hollow shaft 33, the bevel gear I34, the fan 35, the rotating shaft 36, the bevel gear II 37 and the bevel gear III 38; the crushing and screening cavity 31 is a hollow cylinder with an open end, the inner peripheral wall of the crushing and screening cavity 31 close to the open end is provided with an annular groove 311, the peripheral wall of the crushing and screening cavity 31 is uniformly provided with a plurality of screening holes 312, the number of blades 32 is multiple, and the blades 32 are arranged on the outer peripheral wall of the crushing and screening cavity 31 at equal intervals; the hollow shaft 33 is fixedly arranged at one end of the crushing and screening cavity 31, one end of the hollow shaft 33 is communicated with the inside of the crushing and screening cavity 31, the hollow shaft 33 is coaxial with the crushing and screening cavity 31, the other end of the hollow shaft 33 penetrates through the crushing cavity 2 and extends to the outside, the hollow shaft 33 is rotatably arranged in a bearing on the side wall of the crushing cavity 2, the first bevel gear 34 is a hollow gear, and the first bevel gear 34 is fixedly sleeved at one end of the hollow shaft 33 outside the crushing cavity 2; the fan 35 is arranged at a position, close to the open end, of the crushing and screening cavity 31, wherein an outer cover of the fan 35 is fixedly arranged in the conveying channel 5 at one end of the crushing and screening cavity 31, the fan 35 is driven by a rotating shaft 36, one end of the rotating shaft 36 penetrates through the hollow shaft 33 to extend to the outer end of the crushing cavity 2 and is rotatably arranged in a bearing on the support plate 11, the rotating shaft 36 is not in contact with the hollow shaft 33, a second bevel gear 37 is fixedly arranged on the rotating shaft 36 outside the crushing cavity 2, the second bevel gear 37 is opposite to the first bevel gear 34, the second bevel gear 37 and the first bevel gear 34 are respectively meshed with a third bevel gear 38, and the third bevel; the motor 4 is started to drive the bevel gear III 38 to rotate, and further drive the bevel gear II 37 and the bevel gear I34 to rotate, so that the crushing and screening cavity 31 and the fan 35 rotate simultaneously;

as shown in fig. 1 and 5, the conveying channel 5 is fixedly arranged on the supporting table 1, the conveying channel 5 is a curved surface fitting pipeline with a transverse end 51 and a longitudinal end 52, one end of the transverse end 51 of the conveying channel 5 is inserted into the open end of the crushing and screening cavity 31, the conveying channel 5 is communicated with the crushing and screening cavity 31, an annular protrusion 53 is arranged on the outer peripheral wall of the transverse end 51 of the conveying channel 5, the annular protrusion 53 is correspondingly and rotatably arranged inside the annular groove 311, so that the crushing and screening cavity 31 is stably and rotatably arranged, one end of the transverse end 51 of the conveying channel 5 penetrates through the crushing cavity 2, the longitudinal end 52 of the conveying channel 5 is outside the crushing cavity 2, and the longitudinal end 52 of the conveying channel 5 penetrates through the supporting table 1 and extends to below the supporting table; the collecting bin 6 is arranged below the transverse end 51 of the conveyor channel 5.

Further, as shown in fig. 5, the blade edge of the blade 32 is a triangular blade edge to meet the requirement of cutting straw and have sufficient strength.

Further, as shown in fig. 5, triangular blades are disposed on both sides of the blade 32, so that the straw can be cut and crushed under the conditions of forward rotation and reverse rotation of the crushing and screening chamber 31.

The working principle of the invention is as follows:

firstly, the motor 4 is started, the cover plate 21 is opened, and the straws are put into the crushing cavity 2. Wherein, motor 4 rotates, drives crushing screening chamber 31 and fan 35 and rotates for when blade 32 on crushing screening chamber 31 enters the item kibbling to the straw, fan 35 produces suction, will smash the straw that satisfies the demand after and inhale the inside of crushing screening chamber 31 through smashing the screening hole 312 on screening chamber 31, and guide-in collecting box 6 of straw after will smashing through transfer passage 5.