Straw bale breaker

Abstract

The utility model relates to the technical field of agricultural machinery, in particular to a straw bale breaker. Comprising a shell, an unpacking roller driven by a power device is rotationally connected to the interior of the shell, a plurality of scrapers extending in the length direction of the unpacking roller are arranged on the outer circumferential face of the unpacking roller, a plurality of long scraping teeth are arranged on the sides, away from the unpacking roller, of the scrapers at intervals, and a plurality of short scraping teeth are arranged between the adjacent long scraping teeth. The shell is further provided with a conveyor, the conveyor is located below one side of the unpacking roller, and a discharging port is formed in the side, away from the conveyor, of the unpacking roller of the shell. By means of the straw scraping device, crop straw can be scraped down from a rotating round bale layer by layer.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery, in particular to a straw unpacking machine. Background Art

[0002] When harvesting crop straws, they are often baled into round bales for easy storage and transportation. When cutting crop straws into feed, an unpacking machine is needed to disassemble the round bales first, and then a hay cutter can be used for cutting. The patent with the application number 201821031386.2 discloses a straw unpacking machine, which includes a frame, a conveying device, a feeding device, an unpacking device and a material distributing device. The top of the frame is inclined. The conveying device is arranged on the top of the frame. The feeding device, the unpacking device and the material distributing device are arranged in sequence along the conveying device. The feeding device is located at the lower end of the conveying device, and the material distributing device is located at the upper end of the conveying device. It uses the rotation of the blades to cut open the packaging of the straws, resulting in the crop straws being cut into small sections, and the small-sectioned crop straws are not conducive to cutting by a hay cutter. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a straw unpacking machine aiming at the above-mentioned existing technical deficiencies.

[0004] To solve the above technical problem, the technical solution adopted by the utility model is: a straw unpacking machine, including a housing. Inside the housing, there is a unpacking roller rotatably connected and driven by a power device. On the outer circumferential surface of the unpacking roller, there are a plurality of scraping plates extending along its length direction. On the side of the scraping plate away from the unpacking roller, a plurality of long scraping teeth are arranged at intervals, and a plurality of short scraping teeth are arranged between adjacent long scraping teeth. A conveyor is also arranged on the housing, and the conveyor is located below one side of the unpacking roller. The housing is provided with a discharge port on the side of the unpacking roller away from the conveyor.

[0005] To further optimize the technical solution, an auxiliary roller is also rotatably connected inside the housing. The auxiliary roller is located above the side of the unpacking roller close to the conveyor. On the outer circumference of the auxiliary roller, there are a plurality of baffle plates extending along its length direction. The auxiliary roller is in transmission connection with the motor of the conveyor.

[0006] To further optimize the technical solution, the conveyor is a chain plate conveyor.

[0007] To further optimize the technical solution, a baffle is also rotatably connected at the position above the discharge port of the housing. Plug rods are arranged on both sides of the baffle. One end of a support bar is rotatably connected to one side of the housing. A plurality of jacks are arranged on the support bar. When the plug rod is inserted into a jack, the support bar can fix the baffle.

[0008] Compared with the prior art, the utility model has the following advantages: 1. A scraper is provided on the unpacking roller, which can scrape the crop straw off the rotating round straw bale layer by layer, and the crop straw will not be cut into small sections; 2. The existence of the auxiliary roller makes the round straw bale easier to rotate; 3. A baffle is also provided above the discharge port to prevent the crop straw discharged from the discharge port from flying upward. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 The figure is a side view of the front axle of a straw baler.

[0010] Figure 2 for Figure 1 Magnified view of point I in the middle.

[0011] Figure 3 The figure is a side view of the rear axle of a straw baler.

[0012] In the figure: 1. Shell; 2. Conveyor; 3. Unpacking roller; 31. Scraper; 311. Short scraping teeth; 312. Long scraping teeth; 4. Auxiliary roller; 5. Baffle; 6. Support bar; 7. Cleaning roller. DETAILED DESCRIPTION

[0013] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0014] Specific implementation method: Combination Figures 1-3 As shown, a straw unpacking machine comprises a shell 1, wherein an unpacking roller 3 driven by a power device is rotatably connected inside the shell 1, wherein the power device is a main motor, and the main motor is in transmission connection with the unpacking roller 3, and a plurality of scrapers 31 extending along the length direction thereof are arranged on the outer circumferential surface of the unpacking roller 3, and a plurality of long scraping teeth 312 are arranged at intervals on the side of the scraper 31 away from the unpacking roller 3, and a plurality of short scraping teeth 311 (preferably three) are arranged between adjacent long scraping teeth 312, and the length of the long scraping teeth 312 is preferably about twice the length of the short scraping teeth 311, and a conveyor 2 is also arranged on the shell 1, and the conveyor 2 is located below one side of the unpacking roller 3, and a discharge port is arranged on the shell 1 on the side of the unpacking roller 3 away from the conveyor 2. When in use, in combination with Figure 1As shown, the round bale is placed on the conveyor 2. When the round bale is transported to the unpacking roller 3 by the conveyor 2, it cannot move forward continuously. The unpacking roller 3 rotates counterclockwise (i.e., the side close to the conveyor 2 rotates upward). The scraper 31 scrapes off the crop straw on the round bale and throws it out from the discharge port. Since the conveyor 2 is always running and the unpacking roller 3 is always rotating, the round bale rotates clockwise, so that the unpacking roller 3 can disassemble the crop straw layer by layer from the round bale, and the crop straw will not be cut into small sections. Since the long scraping teeth 312 and short scraping teeth 311 are provided on the scraper 31, the crop straw is not easily wound around the unpacking roller 3.

[0015] Furthermore, an auxiliary roller 4 is also rotatably connected inside the housing 1. The auxiliary roller 4 is located above the side of the unpacking roller 3 close to the conveyor 2. A plurality of baffle plates extending along its length direction are provided on the outer circumference of the auxiliary roller 4. The auxiliary roller 4 is in transmission connection with the motor of the conveyor 2. When the outer diameter of the round bale is relatively large and it is lifted upward by the unpacking roller 3, its upper part will contact the auxiliary roller 4, and the rotation of the auxiliary roller 4 makes the round bale easier to rotate. A sprocket can be provided at one end of the driving roller of the conveyor 2, and a sprocket can also be provided at one end of the auxiliary roller 4. A chain is used to mesh with these two sprockets at the same time, so that the auxiliary roller 4 and the driving roller of the conveyor 2 rotate in the same clockwise direction.

[0016] Furthermore, the conveyor 2 is a chain plate conveyor. In order to make the round bale easier to move to the unpacking roller 3 along with the conveyor 2, a plurality of push plates can be provided on the chain plate.

[0017] Furthermore, a baffle 5 is also rotatably connected at the position of the housing 1 above the discharge port. Plug rods are provided on both sides of the baffle 5. One end of the support bar 6 is rotatably connected to one side of the housing 1. A plurality of jacks are provided on the support bar 6. When the plug rod is inserted into a jack, the support bar 6 can fix the baffle 5. The baffle 5 can prevent the crop straw discharged from the discharge port from flying upward.

[0018] Furthermore, a cleaning roller 7 is also rotatably connected to the housing 1. The cleaning roller 7 is located at the end of the conveyor 2 close to the unpacking roller 3 and below the unpacking roller 3. The cleaning roller 7 is in transmission connection with the power device. A plurality of baffle plates extending along its length direction are provided on the outer circumference of the unpacking roller 3. During the unpacking process, if there are stones in the round bale, the stones will fall onto the lower chain plate. During the forward transportation of the chain plate, the stones will move along with the chain plate and be sent to the rotating cleaning roller 7. The cleaning roller 7 can throw out the stones (in actual use, a receiving conveyor is provided at the discharge port of the unpacking machine, and its elevation is slightly higher than that of the cleaning roller 7, so that the stones will not be mixed with the crop straw). Sprockets can be provided at one end of both the unpacking roller 3 and the cleaning roller 7, and a chain is used to mesh with these two sprockets at the same time, so that the two rotate in the same clockwise direction.

[0019] Obviously, the above-described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the scope of protection of the present invention.

Claims

1. A straw unpacking machine, comprising a housing (1), characterized in that: An unpacking roller (3) driven by a power device is rotatably connected inside the shell (1); a plurality of scrapers (31) extending along the length direction of the unpacking roller (3) are arranged on the outer circumferential surface of the unpacking roller (3); a plurality of long scraping teeth (312) are arranged at intervals on the side of the scraper (31) away from the unpacking roller (3); and a plurality of short scraping teeth (311) are arranged between adjacent long scraping teeth (312). A conveyor (2) is also arranged on the shell (1); the conveyor (2) is located below one side of the unpacking roller (3); and a discharge port is arranged on the shell (1) on the side of the unpacking roller (3) away from the conveyor (2).

2. A straw unpacking machine according to claim 1, characterized in that: An auxiliary roller (4) is also rotatably connected inside the shell (1), and the auxiliary roller (4) is located above the unpacking roller (3) on the side close to the conveyor (2). A plurality of shifting plates extending along the length direction of the auxiliary roller (4) are provided on the outer circumference of the auxiliary roller (4), and the auxiliary roller (4) is connected to the motor of the conveyor (2) by transmission.

3. A straw unpacking machine according to claim 1, characterized in that: The conveyor (2) is a chain plate conveyor.

4. A straw unpacking machine according to any one of claims 1 to 3, characterized in that: The housing (1) is also rotatably connected to a baffle (5) at a position above the discharge port, and insertion rods are provided on both sides of the baffle (5). One end of a support bar (6) is rotatably connected to one side of the housing (1), and a plurality of insertion holes are provided on the support bar (6). When the insertion rod is inserted into a insertion hole, the support bar (6) can fix the baffle (5).

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