Crop straw crushing and sieving device

Abstract

The utility model relates to the technical field of straw smashing, and discloses a crop straw smashing and screening device which comprises a supporting frame, an installation box is installed on the upper surface of the supporting frame, and an installation frame is installed on the upper surface of the installation box; and the crushing box is arranged on the upper surface of the mounting frame, and first motors are mounted on the front portion and the rear portion of the inner wall of the crushing box correspondingly. An additionally arranged second motor can drive a lead screw to rotate, the lead screw rotates to drive a vibration rod to do reciprocating motion, the surface of a screening plate can be continuously impacted through the vibration rod, and therefore the screening plate can be driven to vibrate, and when the screening plate vibrates, straw chippings blocked in screening holes can be driven to be subjected to vibration treatment; according to the straw screening device, straw scraps in the screening holes can be cleaned, so that the screening holes are not prone to being blocked when screening the straw scraps, the straw scraps can be rapidly screened, and the straw screening efficiency of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of straw crushing, in particular to a crop straw crushing and screening device. Background Art

[0002] The straw crusher is a device that can crush corn stalks, straw, peanut skins, bean stalks, and firewood. It can protect the environment well and effectively develop renewable energy. The machine has reliable performance, simple and convenient operation. The equipment has a wide range of raw materials and can be used for corn stalks, straw, peanut skins, bean stalks, firewood and other combustible crop waste stalks.

[0003] After common crop straw is crushed, it is necessary to use a screening device to screen the crushed straw. Generally, a screening plate is used to filter the crushed straw. Straw fragments that meet the specifications will pass through the holes of the screening plate and fall into the collection box, and straw fragments that do not meet the specifications will remain on the surface of the screening plate. However, after the screening plate filters a large amount of straw fragments, the holes of the screening plate are easily clogged by the straw fragments, making it difficult for the screening plate to screen the straw fragments. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a crop straw crushing and screening device to solve the problem proposed in the above background technology that after the screening plate filters a large amount of straw debris, the holes of the screening plate are easily clogged by the straw debris, making it difficult for the screening plate to screen the straw debris.

[0006] (II) Technical solution

[0007] To achieve the above purpose, the utility model provides the following technical solution: a crop straw crushing and screening device, comprising:

[0008] A support frame, a mounting box is mounted on the upper surface of the support frame, and a mounting frame is mounted on the upper surface of the mounting box;

[0009] A crushing box is arranged on the upper surface of the mounting frame, and a first motor is installed at the front and rear of the inner wall of the crushing box, and a crushing roller is coaxially installed on the rotor of the first motor;

[0010] A screening plate is arranged above the installation box, and screening holes are evenly opened on the surface of the screening plate;

[0011] The second motor is arranged on the upper surface of the mounting frame. The rotor of the second motor is coaxially mounted with a screw rod, and the surface of the screw rod is screwed with a vibration rod.

[0012] Preferably, a slider is installed at the bottom of the vibration rod, a slide groove is opened on the upper surface of the mounting frame, the slider is embedded in the inner cavity of the slide groove, and the slider cooperates with the slide groove to limit the vibration rod so that the vibration rod can move linearly.

[0013] Preferably, a mounting plate is installed on the surface of the crushing box, a hydraulic telescopic rod is installed on the bottom of the mounting plate, a connecting rope is installed on the bottom end of the hydraulic telescopic rod, and the bottom end of the connecting rope is connected to the upper surface of the screening plate. Starting the hydraulic telescopic rod can drive the connecting rope to rise and fall, and the connecting rope can drive the left side of the screening plate to rise and fall.

[0014] Preferably, a first collecting box is installed on the right side of the support frame, and both sides of the right part of the screening plate are connected to the inner walls of both sides of the first collecting box through bearings, so that the screening plate can be tilted with the bearing as the axis, and after tilting, the straw debris that does not meet the specifications can be dumped into the first collecting box.

[0015] Preferably, a drainage plate is installed on the left side of the installation box, and a second collecting box is installed on the left side of the bottom of the support frame, and the straw debris that meets the specifications after screening can be transported to the second collecting box through the drainage plate.

[0016] Preferably, side panels are installed on the left side, front and rear of the upper surface of the screening plate, so that straw debris on the surface of the screening plate is not easy to fall off, and interception plates are installed on both sides of the upper surface of the drainage plate, so that straw debris on the surface of the drainage plate is not easy to fall off.

[0017] Beneficial Effects

[0018] Compared with the prior art, the utility model provides a crop straw crushing and screening device, which has the following beneficial effects:

[0019] The crop straw crushing and screening device has an additional first motor that can drive the crushing roller to rotate, and the crushing roller can cooperate to crush the straw, and the crushed straw debris will fall onto the surface of the screening plate. Starting the second motor can drive the screw to rotate, and the rotation of the screw can drive the vibration rod to reciprocate, and the vibration rod can continuously impact the surface of the screening plate, thereby driving the screening plate to vibrate. When the screening plate vibrates, it also drives the straw debris blocked in the screening hole to vibrate, thereby cleaning the straw debris in the screening hole, making the screening hole less likely to be blocked when screening the straw debris, and the straw debris can be quickly screened, thereby improving the screening efficiency of the device for straw. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the crushing box of the utility model;

[0022] Figure 3 This is a schematic diagram of the installation structure of the vibration rod of the utility model.

[0023] In the figure: 1. support frame; 2. installation box; 3. installation frame; 4. crushing box; 5. first motor; 6. crushing roller; 7. screening plate; 8. screening hole; 9. second motor; 10. screw; 11. vibration rod; 12. slider; 13. slide; 14. installation plate; 15. hydraulic telescopic rod; 16. connecting rope; 17. first collection box; 18. drainage plate; 19. second collection box; 20. side plate; 21. interception plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The utility model provides a technical solution, a crop straw crushing and screening device, please refer to Figure 1 , comprising a support frame 1, an installation box 2 is installed on the upper surface of the support frame 1, and a mounting frame 3 is installed on the upper surface of the installation box 2;

[0026] The crushing box 4 is arranged on the upper surface of the mounting frame 3, see Figure 2 The front and rear parts of the inner wall of the crushing box 4 are both equipped with a first motor 5, and the rotor of the first motor 5 is coaxially equipped with a crushing roller 6;

[0027] The screening plate 7 is arranged above the installation box 2, and screening holes 8 are evenly opened on the surface of the screening plate 7;

[0028] See also Figure 2 The second motor 9 is arranged on the upper surface of the mounting frame 3, see Figure 3, the rotor of the second motor 9 is coaxially mounted with a screw rod 10, and a vibration rod 11 is screwed on the surface of the screw rod 10. The second motor 9 is a common servo motor on the market. Put the straw into the crushing box 4, start the first motor 5 to drive the crushing roller 6 to rotate, and the crushing roller 6 cooperates to crush the straw, and the crushed straw debris will fall onto the surface of the screening plate 7. Starting the second motor 9 can drive the screw rod 10 to rotate, and the rotation of the screw rod 10 can drive the vibration rod 11 to reciprocate, and the vibration rod 11 can continuously impact the surface of the screening plate 7, thereby driving the screening plate 7 to vibrate. When the screening plate 7 vibrates, it will also drive the straw debris blocked in the screening hole 8 to vibrate, so that the straw debris in the screening hole 8 can be cleaned, so that the screening hole 8 is not easily blocked when screening the straw debris, and the straw debris can be quickly screened, thereby improving the screening efficiency of the device for straw;

[0029] A slider 12 is installed at the bottom of the vibration rod 11, and a slide groove 13 is provided on the upper surface of the mounting frame 3. The slider 12 is embedded in the inner cavity of the slide groove 13. The slider 12 cooperates with the slide groove 13 to limit the vibration rod 11 so that the vibration rod 11 can move linearly.

[0030] See also Figure 2 A mounting plate 14 is mounted on the surface of the crushing box 4, a hydraulic telescopic rod 15 is mounted on the bottom of the mounting plate 14, a connecting rope 16 is mounted on the bottom end of the hydraulic telescopic rod 15, and the bottom end of the connecting rope 16 is connected to the upper surface of the screening plate 7. Starting the hydraulic telescopic rod 15 can drive the connecting rope 16 to move up and down, and the connecting rope 16 can drive the left side of the screening plate 7 to move up and down;

[0031] See also Figure 1 A first collecting box 17 is installed on the right side of the support frame 1, and both sides of the right part of the screening plate 7 are connected to the inner walls of both sides of the first collecting box 17 through bearings, so that the screening plate 7 can be tilted with the bearing as the axis, and after tilting, the straw debris that does not meet the specifications can be dumped into the first collecting box 17;

[0032] See also Figure 1 A drainage plate 18 is installed on the left side of the installation box 2, and a second collecting box 19 is installed on the left side of the bottom of the support frame 1. The drainage plate 18 can transport the straw debris that meets the specifications after screening to the second collecting box 19;

[0033] Side plates 20 are installed on the left side, front and rear of the upper surface of the screening plate 7, so that straw debris on the surface of the screening plate 7 is not easy to fall off. Intercepting plates 21 are installed on both sides of the upper surface of the drainage plate 18, so that straw debris on the surface of the drainage plate 18 is not easy to fall off.

[0034] The device first puts the straw into the crushing box 4, starts the first motor 5 to drive the crushing roller 6 to rotate, and the crushing roller 6 cooperates to crush the straw, and the crushed straw debris will fall onto the surface of the screening plate 7, then starts the second motor 9 to drive the screw rod 10 to rotate, and the rotation of the screw rod 10 can drive the vibration rod 11 to reciprocate, and the vibration rod 11 can continuously hit the surface of the screening plate 7, so that the screening plate 7 can be driven to vibrate, and when the screening plate 7 vibrates, it will also drive the straw debris blocked in the screening hole 8 to vibrate The screening hole 8 is processed so that the straw debris in the screening hole 8 can be cleaned, so that the screening hole 8 is not easily blocked when screening the straw debris, the straw debris can be screened quickly, and the screening efficiency of the device for straw is improved. Finally, the hydraulic telescopic rod 15 is started to drive the connecting rope 16 to rise and fall, and the connecting rope 16 can drive the left side of the screening plate 7 to rise and fall. After tilting, the straw debris that does not meet the specifications can be dumped into the first collecting box 17, and the straw debris that meets the specifications after screening can be transported to the second collecting box 19 through the drainage plate 18.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A crop straw crushing and screening device, characterized in that: include: A support frame (1), a mounting box (2) being mounted on the upper surface of the support frame (1), and a mounting frame (3) being mounted on the upper surface of the mounting box (2); A crushing box (4) is arranged on the upper surface of the mounting frame (3), and a first motor (5) is installed at the front and rear of the inner wall of the crushing box (4), and a crushing roller (6) is coaxially installed on the rotor of the first motor (5); A screening plate (7) is arranged above the installation box (2), and screening holes (8) are evenly opened on the surface of the screening plate (7); The second motor (9) is arranged on the upper surface of the mounting frame (3); a screw rod (10) is coaxially mounted on the rotor of the second motor (9); and a vibration rod (11) is screwed onto the surface of the screw rod (10).

2. The crop straw crushing and screening device according to claim 1, characterized in that: A sliding block (12) is installed at the bottom of the vibration rod (11), a sliding groove (13) is provided on the upper surface of the mounting frame (3), and the sliding block (12) is embedded in the inner cavity of the sliding groove (13).

3. The crop straw crushing and screening device according to claim 1, characterized in that: A mounting plate (14) is mounted on the surface of the crushing box (4), a hydraulic telescopic rod (15) is mounted on the bottom of the mounting plate (14), a connecting rope (16) is mounted on the bottom end of the hydraulic telescopic rod (15), and the bottom end of the connecting rope (16) is connected to the upper surface of the screening plate (7).

4. The crop straw crushing and screening device according to claim 1, characterized in that: A first collecting box (17) is installed on the right side of the support frame (1), and both sides of the right part of the screening plate (7) are connected to the inner walls of both sides of the first collecting box (17) through bearings.

5. The crop straw crushing and screening device according to claim 1, characterized in that: A guide plate (18) is installed on the left side of the installation box (2), and a second collection box (19) is installed on the left side of the bottom of the support frame (1).

6. The crop straw crushing and screening device according to claim 5, characterized in that: Side plates (20) are installed on the left side, front and rear of the upper surface of the screening plate (7), and interception plates (21) are installed on both sides of the upper surface of the guide plate (18).

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