Crop straw pulverizer
By using clamps to fix the collection bag and drive screening plate in the straw crusher, the inconvenience of collection and screening during single operation is solved, the crushing efficiency is improved, and the efficient straw crushing and screening process is achieved.
Patent Information
- Application Number
- CN202421000192.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-10
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-10
AI Technical Summary
The existing straw crusher is not convenient to collect the crushed straw when operated alone, and needs to be shut down for screening, resulting in low crushing efficiency.
设计了一种农作物秸秆粉碎机，采用左夹块和右夹块固定收集袋，通过第二电机带动凸轮使筛分板进行上下的运动进行筛分，并利用鼓风机将筛分后的秸秆碎吹入收集袋，避免了单人操作时的停机筛分。
It is easy to collect and screen straw crushing during single operation, improves crushing efficiency, reduces manpower investment, and simplifies the operation process.
Smart Images
Figure CN222193205U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of straw crushers, in particular to a crop straw crusher. Background Art
[0002] The straw crusher can crush corn stalks, straw, peanut skins, bean stalks, firewood and other combustible crop waste stalks. It avoids the burning of these crop straws in vain, protects the environment well, and effectively develops renewable energy. The machine has reliable performance, simple and convenient operation. The equipment has a wide range of production raw materials and can adapt to corn stalks, straw, peanut skins, bean stalks, firewood and other combustible crop waste stalks.
[0003] After the existing straw crusher crushes the straw, the blower inside the crusher generally sprays the straw crushed directly from the discharge port. When the straw crushed needs to be collected, it is necessary to manually hold the collection bag at the discharge port to collect the straw crushed, which is not convenient for single-person use. In addition, the straw crusher will cause uneven crushing when in use. After the crushing is completed, the straw crushed needs to be screened separately, and then the straw crushed with larger particles is crushed again until it meets the expectations. When a single person operates, it is necessary to stop crushing the straw and then screen the straw crushed, which affects the straw crushing efficiency.
[0004] So we proposed a crop straw crusher to solve the above problems. Utility Model Content
[0005] The utility model aims to provide a crop straw crusher to solve the problems in the current market raised by the above-mentioned background technology that it is inconvenient to collect straw crushed pieces when operated by one person and that it takes a long time to stop the machine to screen the straw crushed pieces when operated by one person, resulting in low crushing efficiency.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a crop straw crusher, comprising a main body, a first motor, a second motor and a blower, a feed port is provided on the left side of the top of the main body, and the feed port is connected to a collecting pipe, a first crushing roller and a second crushing roller are arranged inside the main body, and the left end of the second crushing roller is connected to the first motor, a screening plate is arranged in the collecting pipe, a discharge port is provided in the main body, and a material receiving box is arranged on the left side of the main body, a discharge port is arranged on the right side of the main body, and the discharge port is connected to the collecting pipe, a fixing rod is arranged on the right side of the main body, and the fixing rod passes through a right clamping block and a left clamping block, a second motor is arranged inside the main body, and the second motor is connected to a cam through a connecting rod.
[0007] Preferably, the first motor is located outside the main body, and the main body is provided with a gear on one side of the right end of the first crushing roller, the right end of the first crushing roller is connected to the gear, and the gear is located on the left side of the first crushing roller, the right end of the second crushing roller is connected to the gear through a chain, and both ends of the first crushing roller and the second crushing roller are connected to the main body by bearings.
[0008] Preferably, the screen plate is arranged at an angle in the collecting pipe, and the screen plate is located below the feed port, the left side of the screen plate is lower than the right side, and the discharge port is located on the left side of the screen plate, an opening and closing door is provided at the discharge port, the cam is in contact with the bottom of the screen plate, the four sides of the screen plate are arranged inside the side wall of the collecting pipe, and the collecting pipe has a first empty slot at the four corners of the screen plate, a first spring is provided inside the first empty slot, and the top of the first spring is fixed to the top of the first empty slot, and the bottoms of the four corners of the first spring are fixed to the four corners of the screen plate.
[0009] Preferably, the material receiving box is located below the material discharge port, and the material receiving box and the main body form a disassembly structure.
[0010] Preferably, the blower is installed between the collecting pipe and the discharge port.
[0011] Preferably, the right clamp block and the left clamp block are arranged in a semi-circular shape, and the right clamp block and the left clamp block are movably connected to the fixing rod, a connecting block is arranged on the left side of the bottom of the right clamp block, and ratchet teeth are arranged on the inner side of the connecting block, a clamping block is arranged inside the left clamp block at a position corresponding to the connecting block, and a second empty groove is opened at the bottom position of the clamping block of the left clamp block, a second spring is arranged inside the second empty groove, and the top of the second spring contacts with the clamping block, a cylindrical button is arranged on the top of the clamping block, and a cylindrical movable groove is opened on the top of the left clamp block at the position of the clamping block, a limiting groove is opened inside the clamping block, and a ratchet tooth is arranged on a side of the limiting groove close to the inner side of the connecting block.
[0012] Compared with the prior art, the utility model has the following beneficial effects: the crop straw crusher,
[0013] (1) A left clamp block and a right clamp block are provided, and the left clamp block and the right clamp block are movably connected to the fixing rod. The collecting bag is put on the discharge port, and the collecting bag is fixed at the position of the discharge port by closing the left clamp block and the right clamp block, thereby reducing the input of manpower and facilitating the collection of straw fragments when operated by a single person;
[0014] (2) A screening plate, a discharge port and a receiving box are provided. The cam is driven to rotate by a second motor to make the screening plate reciprocate up and down, so as to screen the straw fragments falling on the screening plate, so that the large-particle straw fragments remain on the screening plate, and then the large-particle straw fragments are collected into the receiving box through the discharge port, so as to avoid the need to stop the crusher for screening straw fragments when a single person uses the crusher, thereby improving the crushing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the internal structure of the utility model;
[0016] Figure 2 It is a schematic diagram of the side section structure of the utility model;
[0017] Figure 3 This is a schematic diagram of the top view structure of the utility model;
[0018] Figure 4 This is a schematic diagram of the discharge port structure of the utility model;
[0019] Figure 5 For this utility model Figure 4 Schematic diagram of the structure at A in the middle;
[0020] Figure 6 For this utility model Figure 4 Schematic diagram of the cross-sectional structure at point A in the middle.
[0021] In the figure: 1. main body; 2. feed port; 3. first motor; 4. first crushing roller; 5. second crushing roller; 6. chain; 7. screening plate; 8. second motor; 801. connecting rod; 802. cam; 9. collecting pipe; 901. first empty slot; 902. first spring; 10. blower; 11. discharge port; 12. fixing rod; 13. right clamping block; 1301. connecting block; 14. left clamping block; 1401. movable slot; 1402. second empty slot; 1403. second spring; 15. clamping block; 1501. limiting slot; 16. discharge port; 17. receiving box. DETAILED DESCRIPTION
[0022] 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.
[0023] See also Figure 1-6The utility model provides a technical solution: a crop straw crusher, comprising a main body 1, a first motor 3, a second motor 8 and a blower 10, a feed port 2 is provided on the left side of the top of the main body 1, and the feed port 2 is connected to the collecting pipe 9, a first crushing roller 4 and a second crushing roller 5 are arranged inside the main body 1, and the left end of the second crushing roller 5 is connected to the first motor 3, a screening plate 7 is arranged in the collecting pipe 9, a discharge port 16 is provided in the main body 1, and a material receiving box 17 is arranged on the left side of the main body 1, a discharge port 11 is arranged on the right side of the main body 1, and the discharge port 11 is connected to the collecting pipe 9, a fixing rod 12 is arranged on the right side of the main body 1, and the fixing rod 12 is penetrated by a right clamping block 13 and a left clamping block 14, a second motor 8 is arranged inside the main body 1, and the second motor 8 is connected to the cam 802 through a connecting rod 801.
[0024] The first motor 3 is located outside the main body 1, and the main body 1 is provided with a gear on one side of the right end of the first crushing roller 4. The right end of the first crushing roller 4 is connected to the gear, and the gear is located on the left side of the first crushing roller 4. The right end of the second crushing roller 5 is connected to the gear through a chain 6, and both ends of the first crushing roller 4 and the second crushing roller 5 are connected to the main body 1 by bearings. The first motor 3 can drive the first crushing roller 4 and the second crushing roller 5 to rotate synchronously in different directions, which is convenient for crushing the straw.
[0025] The screening plate 7 is arranged obliquely in the collecting pipe 9, and the screening plate 7 is located below the feed port 2, the left side of the screening plate 7 is lower than the right side, and the discharge port 16 is located on the left side of the screening plate 7, and an opening and closing door is arranged at the discharge port 16. The cam 802 contacts the bottom of the screening plate 7, and the four sides of the screening plate 7 are arranged inside the side wall of the collecting pipe 9, and the collecting pipe 9 is provided with a first empty slot 901 at the four corners of the screening plate 7, and a first spring 902 is arranged inside the first empty slot 901, and the top of the first spring 902 is fixed on the top of the first empty slot 901, and the bottoms of the four corners of the first spring 902 are fixed to the four corners of the screening plate 7. The cam 802 can be driven by the second motor 8 to rotate, so that the screening plate 7 moves up and down, and the straw fragments falling on the screening plate 7 are screened, so that the straw fragments can be screened while being crushed.
[0026] The receiving box 17 is located below the discharge port 16, and the receiving box 17 and the main body 1 form a disassembly structure. The screened straw fragments can be collected through the receiving box 17, which is convenient for secondary screening of the screened straw fragments.
[0027] The blower 10 is installed between the collecting pipe 9 and the discharge port 11. The blower 10 can blow the straw fragments dropped from the screening plate 7 out of the discharge port 11, so as to quickly collect the expected straw fragments.
[0028] The right clamp block 13 and the left clamp block 14 are arranged in a semi-circular shape, and the right clamp block 13 and the left clamp block 14 are movably connected to the fixing rod 12. A connecting block 1301 is arranged on the left side of the bottom of the right clamp block 13, and ratchet teeth are arranged on the inner side of the connecting block 1301. A clamping block 15 is arranged at a position corresponding to the connecting block 1301 inside the left clamp block 14, and a second empty slot 1402 is opened at the bottom position of the clamping block 15 of the left clamp block 14, and a second spring 1403 is arranged inside the second empty slot 1402, and the second spring 1403 is arranged inside the second empty slot 1402. The top of the left clamping block 14 contacts with the clamping block 15, a cylindrical button is provided on the top of the clamping block 15, and a cylindrical movable groove 1401 is provided on the top of the left clamping block 14 at the position of the clamping block 15, a limiting groove 1501 is provided inside the clamping block 15, and a ratchet tooth is provided on one side of the limiting groove 1501 close to the inner side of the connecting block 1301, and the connecting block 1301 can be inserted into the limiting groove 1501 of the clamping block 15 to fix the left clamping block 14 and the right clamping block 13, so that the collecting bag can be fixed on the discharge port 11.
[0029] Working principle: When using the crop straw crusher, first start the first motor 3, and make the first crushing roller 4 and the second crushing roller 5 rotate in opposite directions at the same time through the chain 6, then start the second motor 8, and drive the cam 802 to rotate through the connecting rod 801, so that the screen plate 7 moves up and down in the collection pipe 9, and the first spring 902 in the first empty slot 901 accelerates the speed of the screen plate 7 moving downward, and then the collection bag is set on the discharge port 11, and then the left clamping block 14 and the right clamping block 13 are closed, so that the connecting block 1301 enters the clamping block 15 The collecting bag is fixed on the discharge port 11 in the limiting groove 1501, and then the blower 10 is turned on, and the straw is put into the main body 1 from the feed port 2, and the straw is crushed by the first crushing roller 4 and the second crushing roller 5. The crushed straw falls on the screening plate 7, and the straw crushed is screened by the up and down movement of the screening plate 7. The straw crushed that meets the standards falls under the collecting pipe 9, and the straw crushed is blown by the blower 10, so that the straw crushed passes through the discharge port 11 and finally enters the collecting bag. When the screening efficiency is reduced, the first motor 3, the second motor 8 and the blower 10 are turned off. , then open the opening and closing door, collect the straw fragments on the surface of the screening plate 7 into the receiving box 17 through the discharge port 16, then turn on the first motor 3, the second motor 8 and the blower 10 to allow the crusher to continue crushing, then remove the receiving box 17 from the main body 1, and perform secondary crushing on the straw fragments in the receiving box 17. When the collection bag is full, turn off the first motor 3, the second motor 8 and the blower 10, and then press the clamping block 15 to move the clamping block 15 in the movable groove 1401, and at the same time, the second spring 1403 in the second empty groove 1402 is compressed, and then Then, the connecting block 1301 is pulled out of the left clamping block 14, and then the clamping block 15 is loosened. The second spring 1403 rebounds, so that the clamping block 15 returns to its original position, and the left clamping block 14 and the right clamping block 13 are separated. Then the collecting bag is removed and replaced with an empty collecting bag, and then the left clamping block 14 and the right clamping block 13 are closed. Finally, the first motor 3, the second motor 8 and the blower 10 are turned on to continue to crush the straw. Repeat the above steps to complete the use of the crop straw crusher. The contents not described in detail in this manual belong to the existing technology known to professional and technical personnel in this field.
[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A crop straw crusher, comprising a main body (1), a first motor (3), a second motor (8) and a blower (10), characterized in that: The main body (1) is provided with a feed port (2) on the left side of the top, and the feed port (2) is connected to the collecting pipe (9). The main body (1) is provided with a first crushing roller (4) and a second crushing roller (5), and the left end of the second crushing roller (5) is connected to the first motor (3). The collecting pipe (9) is provided with a screening plate (7). The main body (1) is provided with a discharge port (16), and a material receiving box (17) is provided on the left side of the main body (1). The main body (1) is provided with a discharge port (11) on the right side, and the discharge port (11) is connected to the collecting pipe (9). The main body (1) is provided with a fixing rod (12) on the right side, and the fixing rod (12) is penetrated by a right clamping block (13) and a left clamping block (14). The main body (1) is provided with a second motor (8), and the second motor (8) is connected to the cam (802) through a connecting rod (801).
2. The crop straw crusher according to claim 1, characterized in that: The first motor (3) is located outside the main body (1), and a gear is provided on one side of the right end of the first crushing roller (4) of the main body (1); the right end of the first crushing roller (4) is connected to the gear by a gear, and the gear is located on the left side of the first crushing roller (4); the right end of the second crushing roller (5) is connected to the gear by a chain (6), and both ends of the first crushing roller (4) and the second crushing roller (5) are connected to the main body (1) by bearings.
3. The crop straw crusher according to claim 1, characterized in that: The sieve plate (7) is arranged in an inclined manner in the collection pipe (9), and the sieve plate (7) is located below the feed port (2). The left side of the sieve plate (7) is lower than the right side, and the discharge port (16) is located on the left side of the sieve plate (7). An opening and closing door is arranged at the position of the discharge port (16). The cam (802) is in contact with the bottom of the sieve plate (7). The four sides of the sieve plate (7) are arranged inside the side wall of the collection pipe (9), and the collection pipe (9) is provided with a first slot (901) at the four corners of the sieve plate (7). A first spring (902) is arranged inside the first slot (901), and the top of the first spring (902) is fixed to the top of the first slot (901). The bottoms of the four corners of the first spring (902) are fixed to the four corners of the sieve plate (7).
4. The crop straw crusher according to claim 1, characterized in that: The material receiving box (17) is located below the material discharge port (16), and the material receiving box (17) and the main body (1) form a disassembly structure.
5. The crop straw crusher according to claim 1, characterized in that: The blower (10) is installed between the collecting pipe (9) and the discharge port (11).
6. The crop straw crusher according to claim 1, characterized in that: The right clamp block (13) and the left clamp block (14) are arranged in a semi-annular shape, and the right clamp block (13) and the left clamp block (14) are movably connected to the fixing rod (12). A connecting block (1301) is arranged on the left side of the bottom of the right clamp block (13), and ratchet teeth are arranged on the inner side of the connecting block (1301). A clamping block (15) is arranged inside the left clamp block (14) at a position corresponding to the connecting block (1301), and a second empty groove (1402) is opened at the bottom of the clamping block (15) of the left clamp block (14). ), a second spring (1403) is arranged inside the second empty groove (1402), and the top of the second spring (1403) is in contact with the clamping block (15), a cylindrical button is arranged on the top of the clamping block (15), and a cylindrical movable groove (1401) is provided on the top of the left clamping block (14) at the position of the clamping block (15), a limiting groove (1501) is provided inside the clamping block (15), and a ratchet tooth is provided on a side of the limiting groove (1501) close to the inner side of the connecting block (1301).