A straw crushing and baling machine with a spiral dust removal conveying screen for lower dust removal

Abstract

The utility model relates to a straw crushing and baling machine with a spiral dust-removing and conveying screen for dust discharge at the bottom, comprising: a straw picker, a straw crusher, a dust removal device, a straw conveyor, a briquetting and baling device for straw debris, a hydraulic system and a power system. The dust removal device is a spiral dust-removing and conveying screen for dust discharge to the ground. The spiral dust-removing and conveying screen comprises: a sealed cover of a frame, a rotating screen rotatably connected in the sealed cover of the frame, an auger spiral shaft rotatably connected inside the rotating screen, auger blades arranged on the auger spiral shaft, a transmission shaft driving the rotating screen and the auger spiral shaft, the auger spiral shaft drives the auger blades to convey the straw entering the rotating screen from a feeding port to a discharging port; the auger spiral shaft comprises: a tapered shaft section, a thick shaft dust-removing section and a thin shaft output section; the advantages of the utility model are: the spiral dust-removing and conveying screen adopts a method of discharging dust into the ground, which can effectively solve the problem of working environment and improve the dust removal efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of straw crushing and baling machines, in particular to a straw crushing and baling machine with a lower dust removal spiral dust removal conveying screen. Background Art

[0002] The existing crushing and baling machine for processing field straw into feed includes a straw picker, a straw air conveying device, a straw crushing device, a dust removal device, a straw briquetting and baling device. Although the aforementioned baling machine can crush, briquette and bale the straw on the spot in the field more efficiently, it is found that there are still some shortcomings that need to be improved during use. The more prominent common problem that the applicant has noticed is that the rotary screens used in the existing dust removal devices all discharge dust directly into the air, which seriously affects the working environment of the baler. For example, Chinese patent CN215454088U discloses a rotary screen mechanism for a straw field briquetting baler for feed, including: a bearing chassis with a bottom opening, a tugboat bracket installed on the bearing chassis and located around the opening, an upper fixed screen installed on the tugboat bracket, a rotating screen connecting the bottom opening of the bearing chassis and the feeding port of the upper fixed screen, a driving mechanism for driving the rotating screen to rotate relative to the upper fixed screen, and a tugboat bearing mechanism installed on the bearing chassis or the tugboat bracket for supporting the rotating screen, and the driving mechanism includes: a large gear ring fixed to the outer circumference of the rotating screen, a driving motor installed on the bearing chassis or the outer wall of the upper fixed screen, and a driving pinion connecting the input shaft of the driving motor and the large gear ring. Although the above structure can discharge the dust in the crushed straw scale, it will cause a complex environment of a large amount of dust and powder. Utility Model Content

[0003] In view of the above problems, the purpose of the utility model is to provide a straw crushing and baling machine with a lower dust removal spiral dust removal and conveying screen, which is used for straw dust removal and effectively suppressing the flying of dust, so as to overcome the shortcomings of the above-mentioned prior art.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A straw crushing and baling machine with a spiral dust removal and conveying screen for dust discharge, comprising: a straw picker, a straw crusher, a dust removal device, a straw conveyor after crushing, a briquetting and baling device for straw debris, a hydraulic system and a power system, wherein the improvement is that the dust removal device is a spiral dust removal and conveying screen, the spiral dust removal and conveying screen is used for discharging dust to the ground, the spiral dust removal and conveying screen comprises: a frame sealing cover, a rotating screen rotatably connected in the frame sealing cover, an auger spiral shaft rotatably connected inside the rotating screen, auger blades arranged on the auger spiral shaft, and a transmission shaft driving the rotating screen and the auger spiral shaft, the auger spiral shaft drives the auger blades to convey the straw entering the rotating screen from the feeding port to the discharging port, and dust is discharged from the entering straw by the rotating rotating screen during the conveying process;

[0006] Among them, the auger spiral shaft includes: a tapered shaft section located on the feed port side, a thick shaft dust removal section located in the middle position, and a thin shaft output section located on the discharge port side, the thin end of the tapered shaft section faces the feed port, the tapered shaft section is used to receive the straw entering the feed port and guide the straw to the thick shaft dust removal section, the thick shaft dust removal section cooperates with the rotary screen to remove dust and guide the straw to the thin shaft output section, and the thin shaft output section is used for secondary dust removal and rapid discharge.

[0007] As a preferred embodiment of the present invention, the rotation direction of the rotary screen is opposite to the direction of the auger screw shaft.

[0008] As a preferred embodiment of the present invention, a lower dust outlet is provided on one side of the frame sealing cover facing the bottom surface.

[0009] As a preferred embodiment of the utility model, a driving gear is provided at one end of the transmission shaft and a pulley is provided at the other end. A gear ring is provided on the outer circumference of the rotary screen. The gear ring is meshed with the driving gear and rotates in a sealed cover of the frame under the drive of the driving gear. A driven wheel connected to the pulley through a belt is provided at one end of the auger screw shaft, and the pulley drives the auger screw shaft to rotate in the rotary screen through the driven wheel.

[0010] The advantages and positive effects of the utility model are:

[0011] 1. The spiral dust removal conveying screen of the utility model adopts the method of discharging dust into the ground, which can effectively solve the working environment problem and improve the dust removal efficiency.

[0012] 2. The auger spiral shaft of the utility model adopts a three-section structure. A tapered shaft section with a tapered structure is adopted at the feed port, so that the space for straw at the feed port is increased, and rapid feeding can be achieved; a thick shaft dust removal section is adopted in the middle section to cooperate with a rotary screen for dust removal. Since the diameter of the thick shaft dust removal section is relatively thick, the contact area between the straw and the rotary screen is effectively increased, thereby quickly removing dust; a thin shaft output section is adopted at the end section, so that the dust-removed straw can be quickly output from the discharge port. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional diagram of the overall structure of the spiral dust removal and conveying screen in the utility model.

[0014] Figure 2 It is a front view of the overall structure of the spiral dust removal and conveying screen in the utility model.

[0015] Figure 3 The utility model is a schematic diagram of the internal structure of the spiral dust removal conveying screen without the frame sealing cover.

[0016] Figure 4 yes Figure 2 AA section view.

[0017] Figure 5 It is a front view of the whole vehicle structure in the utility model.

[0018] Figure numerals: frame sealing cover 1, rotary screen 2, auger screw shaft 3, tapered shaft section 301, thick shaft dust removal section 302, thin shaft output section 303, auger blade 4, transmission shaft 5, driving gear 501, pulley 502, gear ring 503, driven wheel 504, feed port 6, discharge port 7. DETAILED DESCRIPTION

[0019] See also Figure 1-5 The present embodiment provides a straw crushing and baling machine with a spiral dust removal and conveying screen for dust discharge, comprising: a straw picker, a straw crusher, a dust removal device, a conveyor for crushed straw, a briquetting and baling device for straw debris, a hydraulic system and a power system. The dust removal device is a spiral dust removal and conveying screen, which is used to discharge dust to the ground. The spiral dust removal and conveying screen comprises: a frame sealing cover 1, a rotary screen 2 rotatably connected to the frame sealing cover 1, an auger spiral shaft 3 rotatably connected to the inside of the rotary screen 2, an auger blade 4 arranged on the auger spiral shaft 3, and a transmission shaft 5 for driving the rotary screen 2 and the auger spiral shaft 3. The auger spiral shaft 3 drives the auger blade 4 to transfer the straw entering the rotary screen 2 from the feed inlet 6 to the discharge port The feeding port 7 is used for conveying, and the straw entering is discharged through the rotating rotary screen 2 during the conveying process; a lower dust discharge port is provided on the side of the frame sealing cover facing the bottom surface, so that all dust is directed to the bottom surface, and the auger screw shaft 3 includes: a tapered shaft section 301 located on the feeding port 6 side, a thick shaft dust discharge section 302 located in the middle position, and a thin shaft output section 303 located on the discharge port 7 side, the thin end of the tapered shaft section 302 faces the feeding port 6, the tapered shaft section 301 is used to receive the straw entering the feeding port 6 and guide the straw to the thick shaft dust discharge section 302, the thick shaft dust discharge section 302 cooperates with the rotary screen 2 to remove dust and guide the straw to the thin shaft output section 303, and the thin shaft output section 303 is used for secondary dust removal and rapid discharge. The rotating direction of the rotary screen 2 is opposite to that of the auger screw shaft 3. A driving gear 501 is provided at one end of the transmission shaft 5, and a pulley 502 is provided at the other end. A gear ring 503 is provided on the outer circumference of the rotary screen 2. The gear ring 503 is meshed with the driving gear 501 and rotates in the frame sealed cover 1 under the drive of the driving gear 501, thereby causing the rotary screen 2 to rotate in the frame sealed cover 1. A driven wheel 504 connected to the pulley 502 through a belt is provided at one end of the auger screw shaft 3. The pulley 502 drives the auger screw shaft 3 to rotate in the rotary screen 2 through the driven wheel 504, thereby driving the auger blades 4 to rotate in the rotary screen 2.

[0020] Working principle: Start the transmission shaft 5 of the spiral dust removal and conveying screen, and drive the rotary screen 2 and the auger spiral shaft 3 to rotate in the frame sealing cover 1 through the transmission shaft 5. The straw enters from the feed port 6 and quickly enters the coarse shaft dust discharge section 302 under the guidance of the tapered shaft section 301. The coarse shaft dust discharge section 302 with a larger diameter can increase the contact area between the straw and the inner wall of the rotary screen 2, thereby improving the dust removal efficiency. The straw that has been dusted by the coarse shaft dust discharge section 302 is quickly discharged from the discharge port 7 driven by the fine shaft output section 303. After the dust removal work is completed, the straw is compressed and baled.

[0021] The above are only specific implementations of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A straw crushing and baling machine with a lower dust removal spiral dust removal conveying screen, comprising: A straw picker, a straw crusher, a dust removal device, a straw conveyor after crushing, a briquetting and packaging device for straw debris, a hydraulic system and a power system, characterized in that the dust removal device is a spiral dust removal and conveying screen, the spiral dust removal and conveying screen is used to discharge dust to the ground, and the spiral dust removal and conveying screen comprises: a frame sealing cover, a rotary screen rotatably connected in the frame sealing cover, an auger spiral shaft rotatably connected inside the rotary screen, auger blades arranged on the auger spiral shaft, and a transmission shaft driving the rotary screen and the auger spiral shaft, the auger spiral shaft drives the auger blades to convey the straw entering the rotary screen from the feed port to the discharge port, and dust is discharged from the entering straw by the rotating rotary screen during the conveying process; Among them, the auger spiral shaft includes: a tapered shaft section located on the feed port side, a thick shaft dust removal section located in the middle position, and a thin shaft output section located on the discharge port side, the thin end of the tapered shaft section faces the feed port, the tapered shaft section is used to receive the straw entering the feed port and guide the straw to the thick shaft dust removal section, the thick shaft dust removal section cooperates with the rotary screen to remove dust and guide the straw to the thin shaft output section, and the thin shaft output section is used for secondary dust removal and rapid discharge.

2. The straw crushing and baling machine with a spiral dust removal and conveying screen for dust removal according to claim 1 is characterized in that: The rotating direction of the rotary screen is opposite to the direction of the screw shaft of the auger.

3. The straw crushing and baling machine with a lower dust removal spiral dust removal conveying screen according to claim 1 is characterized in that: A lower dust discharge port is provided on one side of the frame sealing cover facing the bottom surface.

4. The straw crushing and baling machine with a lower dust removal spiral dust removal conveying screen according to claim 1 is characterized in that: A driving gear is provided at one end of the transmission shaft and a pulley is provided at the other end. A gear ring is provided on the outer circumference of the rotary screen. The gear ring is meshed with the driving gear and rotates in the frame sealing cover under the drive of the driving gear. A driven wheel connected to the pulley through a belt is provided at one end of the auger screw shaft. The pulley drives the auger screw shaft to rotate in the rotary screen through the driven wheel.

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