Rice straw smashing device and smashing method

Abstract

The invention provides a rice straw smashing device and smashing method, and relates to the technical field of rice straw smashing, the rice straw smashing device comprises a supporting unit, a rice straw smashing unit, a pressing unit, a discharging unit and a material blocking unit; the rice straw crushing unit is mounted on the supporting unit; the pressing unit is installed on the supporting unit and used for pressing rice straw to be smashed. The discharging unit is mounted on the left side of the supporting unit; the material blocking unit is installed on the material discharging unit. The number of the circular positioning pins is two, and the two circular positioning pins are installed on the rectangular discharging cover in a sliding mode. The two circular positioning needles are automatically inserted into a replaced collecting bag, so that the collecting bag is fixed, and a worker is prevented from holding the collecting bag by hands for a long time; the problem that when crushed materials are collected, a worker needs to hold a collecting bag with hands for a long time, and consequently the labor intensity of the worker is large is solved.

Description

Technical Field

[0001] The invention belongs to the technical field of rice straw crushing, and more specifically, particularly relates to a rice straw crushing device and a crushing method. Background Art

[0002] Rice straw refers to the stems, leaves, and ears left after the rice plant is harvested. It is one of the by-products of rice crops and is usually regarded as agricultural waste. However, rice straw has potential utilization value. Rice straw crushing refers to the crushing of rice straw. This processing method can make full use of the resource value of rice straw.

[0003] The rice straw crushing device currently used still has the following problems:

[0004] 1. Generally, there is a lack of automatic pressing structure, which causes the rice straw to be crushed to be easily stuck in the crushing shell and stop moving, reducing the crushing efficiency of the rice straw;

[0005] 2. It is not possible to temporarily block the crushed materials, which makes it inconvenient for workers to replace new collection bags. When collecting the crushed materials, workers need to hold the collection bags for a long time, resulting in high labor intensity for workers. Summary of the invention

[0006] The disclosed embodiments relate to a rice straw crushing device and a crushing method, which comprises a supporting unit, a rice straw crushing unit, a pressing unit, a discharging unit and a blocking unit; two rows of circular movable rods are inserted into the rice straw, so as to realize the reciprocating pressing of the rice straw to be crushed and improve the crushing efficiency; two circular positioning pins are automatically inserted into the replaced collecting bag, so as to fix the collecting bag and avoid the workers holding the collecting bag for a long time; the problem that the rice straw to be crushed is easy to get stuck in the crushing shell and stop moving and the workers need to hold the collecting bag for a long time is solved.

[0007] In a first aspect of the present disclosure, a rice straw crushing device is provided, comprising: a supporting unit, a rice straw crushing unit, a pressing unit, a material discharging unit and a material blocking unit;

[0008] The rice straw crushing unit is installed on the supporting unit; the pressing unit is installed on the supporting unit, and the pressing unit is used to press the rice straw to be crushed; the discharging unit is installed on the left side of the supporting unit; and the blocking unit is installed on the discharging unit;

[0009] The support unit includes: a support shell, a discharge inclined plate, an extrusion push rack and a reset push seat; four mounting circular holes are opened on the support shell; the discharge inclined plate is fixedly installed inside the support shell; the extrusion push racks are arranged in two rows, and the two rows of extrusion push racks are fixedly installed on the front and rear sides of the support shell; the reset push seats are arranged in two rows, and the two rows of reset push seats are fixedly installed on the front and rear sides of the support shell, and the two rows of reset push seats are located directly below the two rows of extrusion push racks.

[0010] In at least some embodiments, the rice straw crushing unit includes: a mounting bearing and a rice straw crushing roller; there are four mounting bearings in total, and the outer rings of the four mounting bearings are fixedly mounted on the supporting shell; there are two rice straw crushing rollers in total, and the two rice straw crushing rollers are fixedly mounted on the inner rings of the four mounting bearings.

[0011] In at least some embodiments, the rice straw crushing unit also includes: a driving motor and a connecting gear; the driving motor is installed on the right side of the supporting shell by screws, and the output shaft of the driving motor is fixedly connected to the rice straw crushing roller on the front side; there are two connecting gears in total, and the two connecting gears are fixedly installed on the left ends of the two rice straw crushing rollers, and the two connecting gears are meshed and connected.

[0012] In at least some embodiments, the pressing unit includes: a mounting plate, a linear electric cylinder, a rectangular iron frame and a pressing assembly; there are two mounting plates, and the two mounting plates are fixedly installed on the front and rear sides of the supporting shell; there are four linear electric cylinders, and the four linear electric cylinders are fixedly installed on the top of the two mounting plates; the rectangular iron frame is installed on the outside of the supporting shell, and the bottom of the rectangular iron frame is fixedly connected to the output shafts of the four linear electric cylinders; there are two rows of pressing assemblies, and the two rows of pressing assemblies are installed on the rectangular iron frame.

[0013] In at least some embodiments, the pressing assembly includes: a circular movable rod, a limit clamp A, a limit clamp B and a strong magnetic ring; the circular movable rod is slidably mounted on a rectangular iron frame, and the circular movable rod is also slidably connected to a supporting shell; rounded corners are provided at both ends of the circular movable rod, and the outer end of the circular movable rod is in contact with an extrusion push frame; the limit clamp A is fixedly mounted on the outside of the circular movable rod, and the inner side of the limit clamp A is in contact with the rectangular iron frame; the limit clamp B is fixedly mounted on the outside of the circular movable rod; there are two strong magnetic rings in total, and the two strong magnetic rings are fixedly mounted on the circular movable rod, and the outer strong magnetic ring is in contact with the rectangular iron frame.

[0014] In at least some embodiments, the discharge unit includes: a rectangular discharge cover, a circular positioning pin and a limit clamp C; the rectangular discharge cover is fixedly mounted on the left side of the supporting shell; there are two circular positioning pins, and the two circular positioning pins are slidably mounted on the rectangular discharge cover; there are two limit clamps C, and the two limit clamps C are fixedly mounted on the outside of the two circular positioning pins, and the outer sides of the two limit clamps C are in contact with the rectangular discharge cover.

[0015] In at least some embodiments, the discharge unit also includes: a limit snap ring D and a coil spring; there are two limit snap rings D in total, and the two limit snap rings D are fixedly installed on the outside of the two circular positioning needles; the coil spring is installed on the outside of the two circular positioning needles, and the coil spring is located between the two limit snap rings D.

[0016] In at least some embodiments, the material blocking unit includes: a U-shaped guide plate, a material blocking rack and an L-shaped strong magnet; the U-shaped guide plate is slidably installed inside a rectangular discharge cover; the material blocking rack is fixedly installed on the left side of the U-shaped guide plate; there are two L-shaped strong magnets in total, and the two L-shaped strong magnets are fixedly installed on the material blocking rack.

[0017] In at least some embodiments, the material blocking unit also includes: a limit block and an extrusion diagonal rod; the limit block is fixedly mounted on the top of the U-shaped guide plate, and the limit block is also slidably connected to the rectangular discharge cover; there are four extrusion diagonal rods in total, and the four extrusion diagonal rods are fixedly mounted on the right side of the material blocking frame, and the outer walls of the four extrusion diagonal rods are in contact with two limit clamps D.

[0018] In at least some embodiments, the rice straw pulverizing method is:

[0019] 1) starting the driving motor and four linear electric cylinders, and then continuously adding the rice straw to be crushed into the supporting shell. When the driving motor is working, the rice straw is crushed between two rice straw crushing rollers;

[0020] 2) When the output shafts of the four linear electric cylinders are retracted, the two rows of circular movable rods move downward, automatically pressing the rice straw above the two rice straw crushing rollers; when the output shafts of the four linear electric cylinders are extended, the rectangular iron frame drives the two rows of circular movable rods to reset upward;

[0021] 3) When the full collection bag needs to be removed, the staff pushes the material blocking rack to the right so that the material blocking rack contacts the rectangular discharge cover, and then removes the full collection bag;

[0022] 4) When a new collection bag needs to be replaced, the staff will put the new collection bag on the outside of the rectangular discharge cover, and then pull the material blocking frame to the left to separate the material blocking frame from the rectangular discharge cover, ensuring that the two circular positioning pins are automatically inserted into the replaced collection bag.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] 1. In the present invention, when the output shafts of the four linear electric cylinders are retracted, the two rows of circular movable rods move downward, which automatically presses the rice straw above the two rice straw crushing rollers, which is conducive to the contact between the rice straw and the two rice straw crushing rollers, thereby improving the crushing efficiency of the rice straw;

[0025] In addition, when the two rows of limit snap rings B are in contact with the two rows of reset push seats, the two rows of reset push seats can push the two rows of limit snap rings B to move outward, and when the outer sides of the two rows of limit snap rings B are in contact with the rectangular iron frame, the two rows of circular movable rods are automatically separated from the rice straw;

[0026] In addition, when the output shafts of the four linear electric cylinders extend, the rectangular iron frame drives the two rows of circular movable rods to reset upward; when the outer ends of the two rows of circular movable rods contact the two rows of extrusion push racks, the two rows of extrusion push racks can push the two rows of circular movable rods to move inward, so that the two rows of circular movable rods are inserted into the rice straw, realizing the reciprocating pressing of the rice straw to be crushed, and improving the crushing efficiency;

[0027] In addition, the provision of two strong magnetic rings plays a role in positioning the circular movable rod, so that the circular movable rod can move only after being subjected to force.

[0028] 2. In the present invention, when the collection bag needs to be replaced, the staff pushes the material blocking rack to the right, so that the material blocking rack contacts the rectangular discharge cover, which blocks the crushed material and achieves a temporary storage effect, making it convenient for the staff to replace the new collection bag; the setting of two L-shaped strong magnets fixes the material blocking rack, so that the material blocking rack can only move after being forced; at the same time, the setting of the U-shaped guide plate blocks the crushed material, so that the crushed material can only flow out through the bottom;

[0029] In addition, when the material blocking rack moves to the right, the four extrusion diagonal rods drive the two limit clamps D to move inward, so that the two circular positioning pins shrink inward at the same time, and when the material blocking rack contacts the rectangular discharge cover, the outer ends of the two circular positioning pins are flush with the outer wall of the rectangular discharge cover, which is convenient for the staff to remove the full collection bag;

[0030] In addition, when the material blocking rack moves to the left, the coil spring drives the two circular positioning pins to move outward, so that the two circular positioning pins are automatically inserted into the replaced collecting bag, thereby fixing the collecting bag, avoiding the staff from holding the collecting bag for a long time, and reducing the labor intensity of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0032] The drawings described below only relate to some embodiments of the present invention and are not intended to limit the present invention.

[0033] In the attached picture:

[0034] Figure 1 A three-dimensional structural schematic diagram of the present invention is shown.

[0035] Figure 2 The schematic diagram of the structure of the support unit of the present invention is shown.

[0036] Figure 3 The schematic diagram of the structure of the rice straw crushing unit of the present invention is shown.

[0037] Figure 4 The schematic diagram of the structure of the pressing unit of the present invention is shown.

[0038] Figure 5 The present invention is shown Figure 4 Schematic diagram of the local enlarged structure of area A in the middle.

[0039] Figure 6 The present invention is shown Figure 1 Schematic diagram of the local enlarged structure of area B in the middle.

[0040] Figure 7 The present invention is shown Figure 1 Schematic diagram of the right side perspective structure.

[0041] Figure 8 The schematic diagram of the structure of the discharge unit of the present invention is shown.

[0042] Fig. 9 The schematic diagram of the structure of the material blocking unit of the present invention is shown.

[0043] Fig.10 The present invention is shown Figure 1 Schematic diagram of the central cut structure.

[0044] Fig.11 The present invention is shown Fig.10 Schematic diagram of the local enlarged structure of the C area in the middle.

[0045] List of reference numerals:

[0046] 100, support unit; 101, support shell; 102, discharge inclined plate; 103, extrusion push frame; 104, reset push seat;

[0047] 200, rice straw crushing unit; 201, mounting bearing; 202, rice straw crushing roller; 203, driving motor; 204, connecting gear;

[0048] 300, pressing unit; 301, mounting plate; 302, linear electric cylinder; 303, rectangular iron frame; 304, pressing assembly; 3041, circular movable rod; 3042, limit clamp A; 3043, limit clamp B; 3044, strong magnetic ring;

[0049] 400, discharge unit; 401, rectangular discharge cover; 402, circular positioning pin; 403, limit clamp ring C; 404, limit clamp ring D; 405, spiral spring;

[0050] 500, material blocking unit; 501, U-shaped guide plate; 502, material blocking frame; 503, L-shaped strong magnet; 504, limit card block; 505, extrusion diagonal rod. DETAILED DESCRIPTION

[0051] In order to make the purpose, scheme and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described in conjunction with the drawings of the specific embodiments of the present invention. Unless otherwise specified, the terms used herein have the usual meanings in the art. The same reference numerals in the drawings represent the same components.

[0052] Example: Please refer to Figures 1 to 11 As shown: The present invention provides a rice straw crushing device, comprising: a support unit 100, a rice straw crushing unit 200, a pressing unit 300, a discharge unit 400 and a blocking unit 500; the rice straw crushing unit 200 is installed on the support unit 100; the pressing unit 300 is installed on the support unit 100, and the pressing unit 300 is used to press the rice straw to be crushed; the discharge unit 400 is installed on the left side of the support unit 100; the blocking unit 500 is installed on the discharge unit 400; the support unit 100 comprises: a support The outer shell 101, the discharge inclined plate 102, the extrusion push frame 103 and the reset push seat 104; four mounting circular holes are opened on the supporting outer shell 101; the discharge inclined plate 102 is fixedly installed inside the supporting outer shell 101; there are two rows of extrusion push frames 103, and the two rows of extrusion push frames 103 are fixedly installed on the front and rear sides of the supporting outer shell 101; there are two rows of reset push seats 104, and the two rows of reset push seats 104 are fixedly installed on the front and rear sides of the supporting outer shell 101, and the two rows of reset push seats 104 are located directly below the two rows of extrusion push frames 103.

[0053] In the present disclosure, Figure 3As shown, the rice straw crushing unit 200 includes: a mounting bearing 201 and a rice straw crushing roller 202; there are four mounting bearings 201, and the outer rings of the four mounting bearings 201 are fixedly mounted on the supporting shell 101; there are two rice straw crushing rollers 202, and the two rice straw crushing rollers 202 are fixedly mounted on the inner rings of the four mounting bearings 201; the rice straw crushing unit 200 also includes: a driving motor 203 and a connecting gear 204; the driving motor 203 is mounted on the right side of the supporting shell 101 by screws, and the output shaft of the driving motor 203 is fixedly connected to the rice straw crushing roller 202 on the front side; there are two connecting gears 204, and the two connecting gears 204 are fixedly mounted on the left ends of the two rice straw crushing rollers 202, and the two connecting gears 204 are meshed and connected;

[0054] Its specific function is as follows: since the driving motor 203 is installed on the right side of the supporting shell 101 by screws, and the output shaft of the driving motor 203 is fixedly connected to the rice straw crushing roller 202 on the front side, when the driving motor 203 is working, the rice straw crushing roller 202 on the front side rotates inwards, and since the two connecting gears 204 are fixedly installed on the left ends of the two rice straw crushing rollers 202, and the two connecting gears 204 are meshed and connected, the two rice straw crushing rollers 202 rotate inwards at the same time, so that the rice straw is crushed between the two rice straw crushing rollers 202.

[0055] In the present disclosure, Figures 4 to 6As shown, the pressing unit 300 includes: a mounting plate 301, a linear electric cylinder 302, a rectangular iron frame 303 and a pressing assembly 304; there are two mounting plates 301, and the two mounting plates 301 are fixedly installed on the front and rear sides of the supporting shell 101; there are four linear electric cylinders 302, and the four linear electric cylinders 302 are fixedly installed on the top of the two mounting plates 301; the rectangular iron frame 303 is installed on the outside of the supporting shell 101, and the bottom of the rectangular iron frame 303 is fixedly connected to the output shafts of the four linear electric cylinders 302; there are two rows of pressing assemblies 304, and the two rows of pressing assemblies 304 are installed on the rectangular iron frame 303; the pressing assembly 304 includes: a circular movable rod 3041, a limit clamp A3042, a limit clamp B3043 and a strong magnetic ring 3044; the circular movable rod 3041 is slidably mounted on the rectangular iron frame 303, and the circular movable rod 3041 is also slidably connected to the supporting shell 101; both ends of the circular movable rod 3041 are provided with rounded corners, and the outer end of the circular movable rod 3041 contacts the extrusion push frame 103; the limiting clamp ring A3042 is fixedly mounted on the outside of the circular movable rod 3041, and the inner side of the limiting clamp ring A3042 contacts the rectangular iron frame 303; the limiting clamp ring B3043 is fixedly mounted on the outside of the circular movable rod 3041; there are two strong magnetic rings 3044, and the two strong magnetic rings 3044 are fixedly mounted on the circular movable rod 3041, and the outer strong magnetic ring 3044 contacts the rectangular iron frame 303;

[0056] The specific function is as follows: since the bottom of the rectangular iron frame 303 is fixedly connected to the output shafts of the four linear electric cylinders 302, and the two rows of circular movable rods 3041 are slidably mounted on the rectangular iron frame 303, and the two rows of circular movable rods 3041 are also slidably connected to the supporting shell 101, when the output shafts of the four linear electric cylinders 302 are contracted, the two rows of circular movable rods 3041 move downward, and automatically press the rice straw above the two rice straw crushing rollers 202, which is conducive to the contact between the rice straw and the two rice straw crushing rollers 202, thereby improving the crushing efficiency of the rice straw;

[0057] Because the two rows of reset push seats 104 are fixedly mounted on the front and rear sides of the supporting shell 101, when the two rows of limit snap rings B3043 contact the two rows of reset push seats 104, the two rows of reset push seats 104 can push the two rows of limit snap rings B3043 to move outwards, and when the outer sides of the two rows of limit snap rings B3043 contact the rectangular iron frame 303, the two rows of circular movable rods 3041 are automatically separated from the rice straw; and because the two rows of extrusion push frames 103 are fixedly mounted on the front and rear sides of the supporting shell 101, when the output shafts of the four linear electric cylinders 302 extend, the rectangular iron frame 303 drives the two rows of circular movable rods 3041 to reset upwards; when the outer ends of the two rows of circular movable rods 3041 contact the two rows of extrusion push frames 103, the two rows of extrusion push frames 103 can push the two rows of circular movable rods 3041 to move inwards, so that the two rows of circular movable rods 3041 are inserted into the rice straw, thereby realizing the reciprocating pressing of the rice straw to be crushed and improving the crushing efficiency;

[0058] Since the two strong magnetic rings 3044 are fixedly mounted on the circular movable rod 3041 , they play a positioning role on the circular movable rod 3041 , so that the circular movable rod 3041 can move only after being subjected to force.

[0059] In the present disclosure, Figure 8 , Fig. 9 and Fig.11 As shown, the discharge unit 400 includes: a rectangular discharge cover 401, a circular positioning pin 402 and a limiting snap ring C403; the rectangular discharge cover 401 is fixedly mounted on the left side of the supporting shell 101; there are two circular positioning pins 402, and the two circular positioning pins 402 are slidably mounted on the rectangular discharge cover 401; there are two limiting snap rings C403, and the two limiting snap rings C403 are fixedly mounted on the outside of the two circular positioning pins 402, and the outer sides of the two limiting snap rings C403 are in contact with the rectangular discharge cover 401; the discharge unit 400 also includes: a limiting snap ring D404 and a coil spring 405; there are two limiting snap rings D404, and the two limiting snap rings D404 are fixedly mounted on the outside of the two circular positioning pins 402; the coil spring 405 is mounted on the outside of the two circular positioning pins 402, and the coil spring 405 is located between the two limiting snap rings D404;

[0060] The material blocking unit 500 includes: a U-shaped guide plate 501, a material blocking frame 502 and an L-shaped strong magnet 503; the U-shaped guide plate 501 is slidably installed inside the rectangular discharge cover 401; the material blocking frame 502 is fixedly installed on the left side of the U-shaped guide plate 501; there are two L-shaped strong magnets 503, and the two L-shaped strong magnets 503 are fixedly installed on the material blocking frame 502; the material blocking unit 500 also includes: a limit block 504 and an extrusion oblique rod 505; the limit block 504 is fixedly installed on the top of the U-shaped guide plate 501, and the limit block 504 is also slidably connected to the rectangular discharge cover 401; there are four extrusion oblique rods 505, and the four extrusion oblique rods 505 are fixedly installed on the right side of the material blocking frame 502, and the outer walls of the four extrusion oblique rods 505 are in contact with two limit clamps D404;

[0061] The specific functions are as follows: since the U-shaped guide plate 501 is slidably mounted inside the rectangular discharge cover 401, and the blocking frame 502 is fixedly mounted on the left side of the U-shaped guide plate 501, and two L-shaped strong magnets 503 are fixedly mounted on the blocking frame 502, when it is necessary to replace the collection bag, the staff pushes the blocking frame 502 to the right to make the blocking frame 502 contact with the rectangular discharge cover 401, thereby blocking the crushed materials and achieving a temporary storage effect, which is convenient for the staff to replace a new collection bag; the setting of the two L-shaped strong magnets 503 has a fixing effect on the blocking frame 502, so that the blocking frame 502 can move only after being subjected to force; at the same time, the setting of the U-shaped guide plate 501 has a blocking effect on the crushed materials, so that the crushed materials can only flow out through the bottom;

[0062] Because the four extrusion oblique rods 505 are fixedly installed on the right side of the material stopping frame 502, and the outer walls of the four extrusion oblique rods 505 are in contact with the two limiting snap rings D404, when the material stopping frame 502 moves to the right, the four extrusion oblique rods 505 drive the two limiting snap rings D404 to move inward, causing the two circular positioning pins 402 to shrink inward at the same time, and when the material stopping frame 502 contacts the rectangular discharge cover 401, the outer ends of the two circular positioning pins 402 are flush with the outer wall of the rectangular discharge cover 401, which is convenient for the staff to remove the full collection bag; and because the coil spring 405 is installed on the outside of the two circular positioning pins 402, and the coil spring 405 is located between the two limiting snap rings D404, when the material stopping frame 502 moves to the left, the coil spring 405 drives the two circular positioning pins 402 to move outward, causing the two circular positioning pins 402 to be automatically inserted into the replaced collection bag, thereby fixing the collection bag, avoiding the staff from holding the collection bag for a long time, and reducing the labor intensity of the staff.

[0063] In the disclosed embodiment, a rice straw crushing method is:

[0064] 1) Start the driving motor 203 and the four linear electric cylinders 302, and then continuously add the rice straw to be crushed into the supporting shell 101. When the driving motor 203 is working, the rice straw is crushed between the two rice straw crushing rollers 202;

[0065] 2) When the output shafts of the four linear electric cylinders 302 are retracted, the two rows of circular movable rods 3041 move downward, automatically pressing the rice straw above the two rice straw crushing rollers 202; when the output shafts of the four linear electric cylinders 302 are extended, the rectangular iron frame 303 drives the two rows of circular movable rods 3041 to reset upward;

[0066] 3) When the full collection bag needs to be removed, the staff pushes the material blocking rack 502 to the right, so that the material blocking rack 502 contacts the rectangular discharge cover 401, and then removes the full collection bag;

[0067] 4) When a new collection bag needs to be replaced, the staff will put the new collection bag on the outside of the rectangular discharge cover 401, and then pull the material blocking frame 502 to the left to separate the material blocking frame 502 from the rectangular discharge cover 401, ensuring that the two circular positioning pins 402 are automatically inserted into the replaced collection bag.

[0068] The specific usage and function of this embodiment are as follows:

[0069] When the present invention is used, the driving motor 203 and the four linear electric cylinders 302 are first started, and then the rice straw to be crushed is continuously added into the supporting shell 101. When the driving motor 203 is working, the rice straw is crushed between the two rice straw crushing rollers 202. When the output shafts of the four linear electric cylinders 302 are contracted, the two rows of circular movable rods 3041 move downward, and automatically press the rice straw above the two rice straw crushing rollers 202, which is conducive to the contact between the rice straw and the two rice straw crushing rollers 202, thereby improving the crushing efficiency of the rice straw. When the two rows of limit clamps B30 When the two rows of reset push seats 104 are in contact with the two rows of reset push seats 104, the two rows of reset push seats 104 can push the two rows of limit clamps B3043 to move outwards. When the outer sides of the two rows of limit clamps B3043 are in contact with the rectangular iron frame 303, the two rows of circular movable rods 3041 are automatically separated from the rice straws. When the output shafts of the four linear electric cylinders 302 are extended, the rectangular iron frame 303 drives the two rows of circular movable rods 3041 to reset upwards. When the outer ends of the two rows of circular movable rods 3041 are in contact with the two rows of extrusion push racks 103, the two rows of extrusion push racks 103 can push the two rows of circular movable rods 3041 to move inwards, so that the two rows of circular movable rods 3041 are automatically separated from the rice straws. The movable rod 3041 is inserted into the rice straw, realizing the reciprocating pressing of the rice straw to be crushed, thereby improving the crushing efficiency; when it is necessary to remove the full collection bag, the staff pushes the material blocking frame 502 to the right, so that the material blocking frame 502 contacts with the rectangular discharge cover 401, thereby blocking the crushed materials and realizing the temporary storage effect, and then the full collection bag is removed; when the material blocking frame 502 moves to the right, the four extrusion inclined rods 505 drive the two limit clamps D404 to move inward, so that the two circular positioning pins 402 shrink inward at the same time, and when the material blocking frame 502 contacts with the rectangular discharge cover 401 , the outer ends of the two circular positioning pins 402 are flush with the outer wall of the rectangular discharge cover 401; when a new collecting bag needs to be replaced, the staff puts the new collecting bag on the outside of the rectangular discharge cover 401, and then pulls the blocking frame 502 to the left to separate the blocking frame 502 from the rectangular discharge cover 401. When the blocking frame 502 moves to the left, the spiral spring 405 drives the two circular positioning pins 402 to move outward, so that the two circular positioning pins 402 are automatically inserted into the replaced collecting bag, which fixes the collecting bag, avoids the staff from holding the collecting bag for a long time, and reduces the labor intensity of the staff.

[0070] In this article, there are a few points to note:

[0071] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0072] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0073] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A rice straw crushing device, comprising: A supporting unit (100), a rice straw crushing unit (200), a pressing unit (300), a material discharging unit (400) and a material blocking unit (500); The rice straw crushing unit (200) is mounted on the support unit (100); characterized in that the pressing unit (300) is mounted on the support unit (100), and the pressing unit (300) is used to press the rice straw to be crushed; the discharge unit (400) is mounted on the left side of the support unit (100); and the blocking unit (500) is mounted on the discharge unit (400); The support unit (100) comprises: a support shell (101), a discharge inclined plate (102), an extrusion push frame (103) and a reset push seat (104); the support shell (101) is provided with four mounting circular holes; the discharge inclined plate (102) is fixedly mounted inside the support shell (101); the extrusion push frames (103) are provided in two rows, and the two rows of extrusion push frames (103) are fixedly mounted on the front and rear sides of the support shell (101); the reset push seats (104) are provided in two rows, and the two rows of reset push seats (104) are fixedly mounted on the front and rear sides of the support shell (101), and the two rows of reset push seats (104) are located directly below the two rows of extrusion push frames (103).

2. A rice straw crushing device according to claim 1, characterized in that: The rice straw crushing unit (200) comprises: a mounting bearing (201) and a rice straw crushing roller (202); four mounting bearings (201) are provided in total, and the outer rings of the four mounting bearings (201) are fixedly mounted on the supporting shell (101); and two rice straw crushing rollers (202) are provided in total, and the two rice straw crushing rollers (202) are fixedly mounted on the inner rings of the four mounting bearings (201).

3. A rice straw crushing device according to claim 2, characterized in that: The rice straw crushing unit (200) further comprises: a driving motor (203) and a connecting gear (204); the driving motor (203) is mounted on the right side of the supporting housing (101) by means of screws, and the output shaft of the driving motor (203) is fixedly connected to the rice straw crushing roller (202) at the front side; there are two connecting gears (204) in total, and the two connecting gears (204) are fixedly mounted on the left ends of the two rice straw crushing rollers (202), and the two connecting gears (204) are meshedly connected.

4. A rice straw crushing device according to claim 3, characterized in that: The pressing unit (300) comprises: a mounting plate (301), a linear electric cylinder (302), a rectangular iron frame (303) and a pressing assembly (304); two mounting plates (301) are provided, and the two mounting plates (301) are fixedly installed on the front and rear sides of the supporting shell (101); four linear electric cylinders (302) are provided, and the four linear electric cylinders (302) are fixedly installed on the top of the two mounting plates (301); the rectangular iron frame (303) is installed outside the supporting shell (101), and the bottom of the rectangular iron frame (303) is fixedly connected to the output shafts of the four linear electric cylinders (302); the pressing assembly (304) is provided in two rows, and the two rows of pressing assemblies (304) are installed on the rectangular iron frame (303).

5. The rice straw crushing device according to claim 4, characterized in that: The pressing assembly (304) comprises: a circular movable rod (3041), a limit clamp ring A (3042), a limit clamp ring B (3043) and a strong magnetic ring (3044); the circular movable rod (3041) is slidably mounted on the rectangular iron frame (303), and the circular movable rod (3041) is also slidably connected to the supporting shell (101); rounded corners are arranged at both ends of the circular movable rod (3041), and the outer end of the circular movable rod (3041) contacts the extrusion push frame (103); The limiting clamp ring A (3042) is fixedly mounted on the outside of the circular movable rod (3041), and the inner side of the limiting clamp ring A (3042) contacts the rectangular iron frame (303); the limiting clamp ring B (3043) is fixedly mounted on the outside of the circular movable rod (3041); two strong magnetic rings (3044) are provided, and the two strong magnetic rings (3044) are fixedly mounted on the circular movable rod (3041), and the outer strong magnetic ring (3044) contacts the rectangular iron frame (303).

6. The rice straw crushing device according to claim 5, characterized in that: The discharge unit (400) comprises: a rectangular discharge cover (401), a circular positioning pin (402) and a limiting snap ring C (403); the rectangular discharge cover (401) is fixedly mounted on the left side of the supporting shell (101); there are two circular positioning pins (402) in total, and the two circular positioning pins (402) are slidably mounted on the rectangular discharge cover (401); there are two limiting snap rings C (403) in total, and the two limiting snap rings C (403) are fixedly mounted on the outside of the two circular positioning pins (402), and the outer sides of the two limiting snap rings C (403) are in contact with the rectangular discharge cover (401).

7. The rice straw crushing device according to claim 6, characterized in that: The discharge unit (400) further comprises: a limiting snap ring D (404) and a coil spring (405); two limiting snap rings D (404) are provided, and the two limiting snap rings D (404) are fixedly mounted on the outside of the two circular positioning needles (402); the coil spring (405) is mounted on the outside of the two circular positioning needles (402), and the coil spring (405) is located between the two limiting snap rings D (404).

8. The rice straw crushing device according to claim 7, characterized in that: The material blocking unit (500) comprises: a U-shaped guide plate (501), a material blocking frame (502) and an L-shaped strong magnet (503); the U-shaped guide plate (501) is slidably mounted inside a rectangular material discharge cover (401); the material blocking frame (502) is fixedly mounted on the left side of the U-shaped guide plate (501); and two L-shaped strong magnets (503) are provided, and the two L-shaped strong magnets (503) are fixedly mounted on the material blocking frame (502).

9. The rice straw crushing device according to claim 8, characterized in that: The material blocking unit (500) further comprises: a limiting block (504) and an extruding diagonal rod (505); the limiting block (504) is fixedly mounted on the top of the U-shaped guide plate (501), and the limiting block (504) is also slidably connected to the rectangular discharge cover (401); a total of four extruding diagonal rods (505) are provided, and the four extruding diagonal rods (505) are fixedly mounted on the right side of the material blocking frame (502), and the outer walls of the four extruding diagonal rods (505) are in contact with the two limiting clamp rings D (404).

10. A rice straw crushing method, using the rice straw crushing device according to claim 8, characterized in that: The steps are as follows: 1) starting the driving motor (203) and the four linear electric cylinders (302), and then continuously adding the rice straw to be crushed into the supporting shell (101), and when the driving motor (203) is working, the rice straw is crushed between the two rice straw crushing rollers (202); 2) When the output shafts of the four linear electric cylinders (302) are retracted, the two rows of circular movable rods (3041) move downward, automatically pressing the rice straw above the two rice straw crushing rollers (202); when the output shafts of the four linear electric cylinders (302) are extended, the rectangular iron frame (303) drives the two rows of circular movable rods (3041) to reset upward; 3) When it is necessary to remove the full collection bag, the staff pushes the material blocking frame (502) to the right, so that the material blocking frame (502) contacts the rectangular discharge cover (401), and then removes the full collection bag; 4) When a new collection bag needs to be replaced, the staff will put the new collection bag on the outside of the rectangular discharge cover (401), and then pull the material blocking frame (502) to the left to separate the material blocking frame (502) from the rectangular discharge cover (401), ensuring that the two circular positioning pins (402) are automatically inserted into the replaced collection bag.

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