Crushing device for straw comprehensive utilization and processing

By combining the lever and filter plate in the separation mechanism, the problem of insufficient separation of coarse and fine materials after straw crushing is solved, achieving effective separation and secondary crushing of straw, and improving the separation effect and the stability of the device.

CN223553820UActive Publication Date: 2025-11-18CHANGDU XINMAO NEW ENERGY TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423194969.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-11-18
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

In existing technologies, after straw is crushed, some of the coarse material is blown to the fine material outlet by the wind, which prevents the coarse and fine materials from being fully separated and affects the separation effect.

Method used

The separation mechanism, including a drive assembly and a moving plate, achieves preliminary separation and secondary crushing of straw through the cooperation of a lever and a filter plate. The reciprocating movement of the lever and the reciprocating motion of the filter plate enhance the separation effect.

Benefits of technology

It effectively separates coarse straw from fine straw, ensuring that coarse straw enters the secondary crushing process, thus improving the straw separation effect and the stability of the crushing device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of smashing devices, in particular to a smashing device for comprehensive utilization and processing of straw, which comprises a fixing frame, a smashing box is mounted on the inner side of the fixing frame, and the upper end of the inner wall of the smashing box is provided with a smashing device. According to the separating mechanism, under the action of the filter plate, primary separation of straw obtained after primary smashing is facilitated, thick straw is left on the filter plate, it is avoided that the thick straw and thin straw fall off together, under the action of the driving assembly, the moving plate drives the multiple stirring rods to move on the filter plate in a reciprocating mode through the mounting rods, and therefore the straw can be separated conveniently. According to the straw smashing device, straw falling on a filter plate after smashing is continuously and repeatedly stirred, so that fine straw better falls through the filter plate, thick straw is stirred into the second smashing mechanism to be smashed in the moving process of a stirring rod, the straw smashing effect is guaranteed, and the straw smashing efficiency is improved. And under the mutual cooperation of the filter plate and a plurality of driving levers, fine straws can be better separated from coarse straws, and the separation effect on the straws is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a pulverizing device technical field, especially a kind of pulverizing device for straw comprehensive utilization processing. BACKGROUND

[0002] Straw is the general term of mature crop stem (ear) part, in order to convert straw into valuable resources, usually using pulverizing device to pulverize straw, and the pulverized straw is more convenient to handle and utilize.

[0003] After searching, China patent "a kind of agricultural straw processing device" authorized announcement number "CN216701008U" when material is sent into box, first through cutting component, cylinder drives cutter to move down and cut off straw, and the material cut off is pulverized in the box;And the lower side of primary pulverizing component is provided with cloth wind disc, when the material pulverized once falls, wind is blown from cloth wind disc, and the material is blown to the side of isolation plate far from cloth wind disc, the material is blown to the side of isolation plate close to cloth wind disc, and the fine material is directly discharged from discharge hopper to avoid secondary pulverization, reduce the energy consumption of secondary pulverization;Coarse material is then pulverized in secondary pulverizing component, and then is discharged from discharge hopper, to ensure that coarse material meets the requirements of pulverization.

[0004] Although the above application can separate and break the straw after primary pulverization, the straw is light in weight after pulverization, and part of coarse material will be blown to the upper side of fine material outlet and fall from the outlet of fine material under the action of wind when cloth wind disc blows, so that coarse material and fine material cannot be fully separated, affecting separation effect.

[0005] Therefore, a kind of pulverizing device for straw comprehensive utilization processing is proposed to solve the above problems. UTILITY MODEL CONTENT

[0006] The utility model aims at solving the above problems and provides a pulverizing device for straw comprehensive utilization processing, which improves the problem that part of coarse material will be blown to the upper side of fine material outlet and fall from the outlet of fine material under the action of wind, so that coarse material and fine material cannot be fully separated, affecting separation effect.

[0007] The utility model realizes the above purpose through the following technical scheme, a kind of pulverizing device for straw comprehensive utilization processing, comprising: fixed frame, the inner side of the fixed frame is provided with pulverizing box, the inner wall upper end of the pulverizing box is rotatably connected with first pulverizing roller, the side of the pulverizing box is communicated with fan, and the pulverizing box is provided with second pulverizing mechanism;

[0008] The separation mechanism comprises a driving assembly and a moving plate, the inner wall lower end of the crushing box is slidably connected with a filter plate, one side of the moving plate is fixedly connected with a mounting rod, the bottom end of the mounting rod is fixedly connected with a plurality of uniformly distributed push rods, the overall shape of the push rod is "U" shape, the middle part of the push rod is curved into an arc shape, and the other end of the push rod is attached to the top end of the filter plate.

[0009] Preferably, the front end of the driving assembly is fixedly connected with a first motor, the inner wall of the crushing box is rotatably connected with a first reciprocating screw rod, the output shaft of the first motor penetrates the crushing box and is fixedly connected with one end of the first reciprocating screw rod, the surface of the first reciprocating screw rod is provided with a moving block, and the bottom end of the moving block is fixedly connected with the top end of the moving plate. It is beneficial to drive the moving plate to drive the plurality of push rods to move reciprocally.

[0010] Preferably, the inner wall lower end of the crushing box is rotatably connected with a second reciprocating screw rod, the surface of the second reciprocating screw rod is provided with a mounting plate, the top end of the mounting plate is fixedly connected with the bottom end of the filter plate, and the one end of the second reciprocating screw rod and the surface of the first motor output shaft are both fixedly connected with a first gear, and the surfaces of the two first gears are meshingly connected. While separating the coarse straw and the fine straw, the second reciprocating screw rod rotates synchronously, which is beneficial to make the mounting plate drive the filter plate to move reciprocally, so that the plurality of push rods move while the filter plate moves reciprocally to screen the straw on the filter plate, thereby enhancing the separation effect.

[0011] Preferably, one side of the inner wall of the crushing box is fixedly connected with a baffle, and the bottom end of the baffle is attached to the top end of the filter plate. It is beneficial to block the gap between the filter plate after moving and the inner wall of the crushing box, thereby ensuring the stability of the device during operation.

[0012] Preferably, the inner wall of the crushing box is fixedly connected with a protective ring, the first reciprocating screw rod is arranged on the inner side of the protective ring, and the surface of the moving block is slidably connected with the inner wall of the protective ring. It is beneficial to limit the movement of the first reciprocating screw rod and protect the surface of the first reciprocating screw rod, thereby avoiding the straw from being retained on the surface of the first reciprocating screw rod and ensuring the stability of the moving block when the first reciprocating screw rod rotates.

[0013] Preferably, the two sides of the filter plate are both fixedly connected with a slide rod, and the surface of the slide rod is slidably connected with the inner wall of the crushing box. It is beneficial to limit the movement of the filter plate.

[0014] Preferably, the second crushing mechanism comprises a fixed frame fixedly connected to the crushing box, through grooves are formed in opposite sides of the fixed frame, the inner wall of the fixed frame is rotatably connected with two second crushing rollers, one end of the two second crushing rollers penetrates out of the fixed frame and is fixedly connected with a second gear, the two second gears are meshingly connected, one side of the fixed frame is fixedly connected with a second motor, and the output shaft of the second motor is fixedly connected with the other end of one of the second gears.

[0015] The utility model discloses the beneficial effects are:

[0016] 1, the above-mentioned separation mechanism under the action of filter plate, be favorable to the primary separation of the straw after the first crushing, make the thicker straw stay on the filter plate, avoid the thicker straw with the fine straw drop together, and under the action of the driving assembly, make the moving plate through the installation rod drive a plurality of shovels reciprocatingly move on the filter plate, be favorable to the straw that falls on the filter plate after crushing is repeatedly stirred constantly, thereby make fine straw better drop through the filter plate, and the shovel will be in the process of moving and will be crushed in the second crushing mechanism to the thicker straw, guarantee the crushing effect of straw, under the cooperation of filter plate and a plurality of shovels, be favorable to make fine straw better and coarse straw separate, improve the separation effect of straw;

[0017] 2, the second reciprocating screw rod is synchronously rotated when separating the coarse straw and the fine straw, which is favorable to make the mounting plate drive the filter plate to reciprocate, so that the shovels reciprocate constantly while stirring the straw on the filter plate, thereby enhancing the separation effect. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the crushing box sectional view of the utility model;

[0020] Figure 3 It is the separation mechanism structure schematic diagram of the utility model;

[0021] Figure 4 It is the shovel structure schematic diagram of the utility model;

[0022] Figure 5 It is the filter plate and mounting plate installation structure schematic diagram of the utility model.

[0023] In the diagram: 100, fixed frame; 200, crushing box; 210, protective ring; 220, baffle; 300, first crushing roller; 400, fan; 500, separation mechanism; 510, drive assembly; 511, first motor; 512, first reciprocating screw; 513, moving block; 520, moving plate; 530, filter plate; 531, slide bar; 540, mounting rod; 550, lever; 560, second reciprocating screw; 570, mounting plate; 580, first gear; 590, fixed frame; 591, second crushing roller; 592, second gear; 593, second motor. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] In practical implementation: such as Figures 1-5 As shown, a crushing device for comprehensive utilization and processing of straw includes: a fixed frame 100, a crushing box 200 installed on the inner side of the fixed frame 100, a first crushing roller 300 rotatably connected to the upper end of the inner wall of the crushing box 200, a fan 400 connected to one side of the crushing box 200, and a second crushing mechanism provided on the crushing box 200; a separation mechanism 500, the separation mechanism 500 including a drive assembly 510 and a moving plate 520, a filter plate 530 slidably connected to the lower end of the inner wall of the crushing box 200, an installation rod 540 fixedly connected to one side of the moving plate 520, and a plurality of evenly distributed levers 550 fixedly connected to the bottom end of the installation rod 540, the levers 550 having an overall "U" shape, the middle part of the levers 550 being bent into an arc shape, and the other end of the levers 550 being in contact with the top end of the filter plate 530.

[0026] In this embodiment, the horizontal height of the air inlet connecting the fan 400 and the crushing box 200 is lower than the horizontal height of the bottom of the first crushing roller 300, and the air inlet is opened at an angle downward.

[0027] like Figure 2 , Figure 3 and Figure 4 As shown, a first motor 511 is fixedly connected to the front end of the drive assembly 510, and a first reciprocating screw 512 is rotatably connected to the inner wall of the crushing box 200. The output shaft of the first motor 511 passes through the crushing box 200 and is fixedly connected to one end of the first reciprocating screw 512. A moving block 513 is provided on the surface of the first reciprocating screw 512, and the bottom end of the moving block 513 is fixedly connected to the top end of the moving plate 520.

[0028] When the first motor 511 is started by the controller, the output shaft of the first motor 511 drives the first reciprocating lead screw 512 to rotate, and drives the moving plate 520 to reciprocate under the action of the moving block 513, and the other side of the top end of the moving plate 520 is fixedly connected with a limiting block, and the inner wall of the crushing box 200 is fixedly connected with a round rod, and the inner wall of the limiting block is in sliding connection with the surface of the round rod, thereby limiting the movement of the moving plate 520.

[0029] As shown in Figure 5 , the inner wall of the crushing box 200 is rotatably connected with a second reciprocating lead screw 560 at the lower end, the surface of the second reciprocating lead screw 560 is provided with a mounting plate 570, the top end of the mounting plate 570 is fixedly connected with the bottom end of the filter plate 530, and the one end of the second reciprocating lead screw 560 is fixedly connected with the surface of the output shaft of the first motor 511. Both first gears 580 are in meshing connection.

[0030] In this embodiment, when the first motor 511 is driven to rotate, the output shaft of the first motor 511 drives the two first gears 580 to rotate synchronously, thereby driving the second reciprocating lead screw 560 to rotate synchronously, and driving the filter plate 530 to reciprocate under the action of the mounting plate 570.

[0031] As shown in Figure 5 , the inner wall of the crushing box 200 is fixedly connected with a baffle 220, and the bottom end of the baffle 220 is in contact with the top end of the filter plate 530.

[0032] In this embodiment, the vertical section of the baffle 220 is a right triangle, when the filter plate 530 moves to the farthest distance away from the baffle 220, one side of the baffle 220 is still below the baffle 220, and the baffle 220 can block the gap between the filter plate 530 and the inner wall of the crushing box 200.

[0033] As shown in Figure 4 , the inner wall of the crushing box 200 is fixedly connected with a protective ring 210, and the first reciprocating lead screw 512 is arranged inside the protective ring 210, and the surface of the moving block 513 is in sliding connection with the inner wall of the protective ring 210.

[0034] In this embodiment, the surface of the moving block 513 is in contact with the inner wall of the protective ring 210, thereby limiting the movement of the moving block 513.

[0035] As shown in Figure 5 , the two sides of the filter plate 530 are fixedly connected with slide rods 531, and the surfaces of the slide rods 531 are in sliding connection with the inner wall of the crushing box 200.

[0036] In this embodiment, the inner wall of the crushing box 200 is provided with a sliding groove matched with the slide rod 531, and the surface of the slide rod 531 is in sliding connection with the inner wall of the sliding groove.

[0037] As shown in Figure 2 and Figure 3 The second crushing mechanism includes a fixed frame 590 fixedly connected to the crushing box 200, the fixed frame 590 is provided with a through slot on the opposite side of the crushing box 200, the inner wall of the fixed frame 590 is rotatably connected with two second crushing rollers 591, one end of the two second crushing rollers 591 penetrates out of the fixed frame 590 and is fixedly connected with a second gear 592, the two second gears 592 are meshingly connected, one side of the fixed frame 590 is fixedly connected with a second motor 593, and the output shaft of the second motor 593 is fixedly connected with the other end of one of the second gears 592.

[0038] In the embodiment, the two through slots are communicated, the other side of the filter plate 530 penetrates into the fixed frame 590 through the through slot, when the lever 550 moves towards the fixed frame 590, the relatively coarse straw after crushing is pushed into the fixed frame 590, the second motor 593 is started by the controller, the two conical second gears 592 are driven to rotate in opposite directions, so that the two second crushing rollers 591 are driven to rotate in opposite directions to perform secondary crushing on the relatively coarse straw after crushing, and this mode is prior art and will not be repeated here.

[0039] In use, the straw to be crushed is put into the crushing box 200 from the feed inlet, the first crushing roller 300 is driven to rotate to perform primary crushing on the straw, at the same time, the fan 400 is started to run by the controller to guide the external wind into the crushing box 200 and blow out from the bottom end of the crushing box 200 through the filter plate 530, at this time, part of the fine material on the filter plate 530 falls off from the filter plate 530 under the action of the wind force, and the coarse straw is retained on the filter plate 530, so that the preliminary separation of the coarse straw and the fine straw is completed, at this time, the first motor 511 is started by the controller to drive the first reciprocating lead screw 512 to rotate, so that the moving block 513 drives the moving plate 520 to reciprocate, the moving plate 520 moves in the process to drive the plurality of levers 550 to synchronously move through the mounting rod 540, the plurality of levers 550 reciprocate to push the straw above the filter plate 530, so that the fine straw is better separated from the coarse straw, at the same time, the second reciprocating lead screw 560 is synchronously rotated under the action of the two first gears 580 when the first motor 511 is started, and the filter plate 530 reciprocates under the action of the mounting plate 570, so that the plurality of levers 550 reciprocate while the filter plate 530 continuously reciprocates for screening, the separation effect is enhanced, and when the lever 550 moves towards the fixed frame 590, the relatively coarse straw is pushed into the fixed frame 590, at this time, the two second crushing rollers 591 are driven to rotate to perform secondary crushing on the relatively coarse straw after crushing.

[0040] The reciprocating screw is in the form of two threads with the same pitch and opposite rotation directions, and the two ends are connected by a transition curve. Through the rotation of the reciprocating screw, the helical groove side pushes the slider placed in the helical groove to make axial reciprocating motion. Therefore, when the first reciprocating screw 512 rotates, it will drive the moving block 513 to move reciprocally, and when the second reciprocating screw 560 rotates, it will drive the mounting rod 540 to move reciprocally.

[0041] It should be noted that, as shown in the accompanying Figure 1 and the accompanying Figure 2 It can be seen that the third motor is fixedly connected to the upper end of one side of the crushing box 200, the output shaft of the third motor penetrates the crushing box 200 and is fixedly connected to one end of the first crushing roller 300, the inner wall of the feed inlet of the crushing box 200 is rotatably connected with a crushing knife, one end of the crushing knife is fixedly connected with a belt pulley on the output shaft of the third motor, and the two belt pulleys are drivingly connected with a transmission belt. This mode is a prior art, and will not be described here.

[0042] It should be noted that the motor in the above description is a relatively mature device in the prior art, and the specific model can be selected according to actual needs. Meanwhile, the motor power supply can be an internal power supply or a mains power supply, and the specific power supply mode is selected as appropriate, which will not be described here.

[0043] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution. The description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A crushing device for comprehensive utilization and processing of straw, characterized in that, Include: The fixed frame (100) is mounted with a crushing box (200) on the inner side, the inner wall upper end of the crushing box (200) is rotatably connected with a first crushing roller (300), one side of the crushing box (200) is communicated with a fan (400), and the crushing box (200) is provided with a second crushing mechanism; The separation mechanism (500) comprises a driving assembly (510) and a moving plate (520), the inner wall lower end of the crushing box (200) is slidably connected with a filter plate (530), one side of the moving plate (520) is fixedly connected with a mounting rod (540), the bottom end of the mounting rod (540) is fixedly connected with a plurality of uniformly distributed push rods (550), the overall shape of the push rod (550) is "U" shape, the middle part of the push rod (550) is curved into an arc, and the other end of the push rod (550) is in contact with the top end of the filter plate (530).

2. The pulverizing device for comprehensive utilization of straw according to claim 1, characterized in that: The front end of the driving assembly (510) is fixedly connected with a first motor (511), the inner wall of the crushing box (200) is rotatably connected with a first reciprocating screw (512), the output shaft of the first motor (511) penetrates the crushing box (200) and is fixedly connected with one end of the first reciprocating screw (512), the surface of the first reciprocating screw (512) is provided with a moving block (513), and the bottom end of the moving block (513) is fixedly connected with the top end of the moving plate (520).

3. The pulverizing device for comprehensive utilization of straw according to claim 1, characterized in that: The inner wall lower end of the crushing box (200) is rotatably connected with a second reciprocating screw (560), the surface of the second reciprocating screw (560) is provided with a mounting plate (570), the top end of the mounting plate (570) is fixedly connected with the bottom end of the filter plate (530), and one end of the second reciprocating screw (560) and the surface of the output shaft of the first motor (511) are fixedly connected with a first gear (580). The surfaces of the two first gears (580) are meshingly connected.

4. The pulverizing device for comprehensive utilization of straw according to claim 1, characterized in that: The inner wall of the crushing box (200) is fixedly connected with a baffle (220), and the bottom end of the baffle (220) is in contact with the top end of the filter plate (530).

5. The pulverizing device for comprehensive utilization of straw according to claim 2, characterized in that: The inner wall of the crushing box (200) is fixedly connected with a protective ring (210), the first reciprocating screw (512) is arranged on the inner side of the protective ring (210), and the surface of the moving block (513) is slidably connected with the inner wall of the protective ring (210).

6. The pulverizing device for comprehensive utilization of straw according to claim 1, characterized in that: The two sides of the filter plate (530) are fixedly connected with slide rods (531), and the surfaces of the slide rods (531) are slidably connected with the inner wall of the crushing box (200).

7. The pulverizing device for comprehensive utilization of straw according to claim 1, characterized in that: The second crushing mechanism comprises a fixed frame (590) fixedly connected to the crushing box (200), through grooves are formed in opposite sides of the fixed frame (590) and the crushing box (200), the inner wall of the fixed frame (590) is rotationally connected with two second crushing rollers (591), one end of each of the two second crushing rollers (591) penetrates out of the fixed frame (590) and is fixedly connected with a second gear (592), the two second gears (592) are meshedly connected, and one side of the fixed frame (590) is fixedly connected with a second motor (593); and the output shaft of the second motor (593) is fixedly connected with the other end of one of the second gears (592).

Citation Information

Patent Citations

  • Agricultural straw processing device

    CN216701008U