Straw pulverizer feed inlet blocking device

Abstract

The utility model relates to agricultural machinery material blocking accessory technical field, concretely is a straw pulverizer feed inlet material blocking device, including pulverizer and transmission structure, still include having discharge gate and feed inlet, the outer wall of feed inlet is fixedly connected with material blocking unit, material blocking unit includes support frame, material blocking subassembly and adjusting assembly, material blocking subassembly is used for the initiative adjustment of feed inlet angle size, adjusting assembly is used for the fixed and buffer of feed inlet in work, this straw pulverizer feed inlet material blocking device, the device passes through the material blocking subassembly and adjusting assembly of turnover, according to the dynamic adjustment of straw thickness material blocking angle and retreat amplitude, thick straw is not easy to open material blocking board leakage, thin straw is not easy to jam, make the device when carrying out the pulverization of different size straw, the pulverization effect is better, increases its stability, reduces its failure rate, increases its service life, is suitable for long -term stable material blocking operation.

Description

Technical Field

[0001] This utility model relates to the technical field of material blocking accessories for agricultural machinery, specifically a material blocking device for the feed inlet of a straw crusher. Background Technology

[0002] Straw crushers are widely used in agricultural waste treatment. They crush straw into small pieces, enabling the resource utilization of straw (such as returning it to the field for fertilization, biomass fuel processing, etc.). The feed inlet, as the key channel for straw to enter the crusher, needs to be equipped with a baffle structure to prevent dust from overflowing and foreign objects from falling into the crusher during the crushing process, while also helping to stabilize the straw feeding.

[0003] For example, patent document CN202222693991.9 discloses a straw crushing and dust removal device, which "includes a straw crusher, a second transmission pulley is provided on one side of the straw crusher, a discharge port is provided on the other side of the straw crusher, a feed port is provided at the front end of the straw crusher, a dust collection structure is provided at the front end of the straw crusher and at the feed port, and a material guiding structure is provided at the joint between the dust collection structure and the straw crusher; the straw crushing and dust removal device of this utility model can use a fan to extract dust from the inside of the straw crusher and the dust collection pipe, and the dust is blocked by the top of the material guiding plate." To prevent dust from overflowing from the feed inlet, the top of the guide plate can be used to block the feed inlet, preventing foreign objects from falling into the straw crusher. By rotating the guide plate to expose the guide wheel, the fed straw can be conveyed through the guide wheel, accelerating the feeding of straw into the straw crusher and preventing straw from getting stuck. However, the straw crushing dust removal device in the above-mentioned literature mainly considers dust removal during operation, but does not take into account that due to the different thicknesses of straw, coarse straw is easy to push open the baffle plate and cause material leakage, while fine straw is easy to get stuck in the gap between the baffle plate and the feed inlet, affecting the feeding. Therefore, we propose a material blocking device for the feed inlet of a straw crusher. Utility Model Content

[0004] To solve the above technical problems, this application provides a material blocking device for the feed inlet of a straw crusher, including a crusher and a transmission structure, and also including a discharge port and a feed inlet. A material blocking unit is fixedly connected to the outer wall of the feed inlet. The material blocking unit includes a support frame, a material blocking component and an adjustment component.

[0005] The feed stop assembly is used to actively adjust the angle of the feed inlet;

[0006] The adjustment component is used to fix and buffer the feed inlet during operation.

[0007] In some embodiments, the material stop assembly includes an adjustment handle with an angle display engraved on its outer wall. A horizontal rotating shaft is fixedly connected to one side of the adjustment handle. A rotating groove adapted to the horizontal rotating shaft is opened inside the support frame. A material stop main plate is rotatably connected to the bottom end of the horizontal rotating shaft. Sealing rubber is provided on the outer wall of the material stop main plate, and an inner buffer layer is provided on the inner side of the material stop main plate.

[0008] In some embodiments, a set of adjustment components are provided on both sides of the support frame. The adjustment components include positioning seats, the interior of which is provided with a sliding groove. Multiple sets of pin holes are provided on the outer wall of the positioning seats. Positioning pins are adapted to be provided inside the pin holes. An adjustment rod is adapted to be provided on the inner wall of the sliding groove. An adjustment spring is sleeved on the outer wall of one end of the adjustment rod. An elastic plastic protective sleeve is sleeved on the outer wall of the adjustment spring.

[0009] In some embodiments, the angle display shows a gradation angle of 0-60°, the support frame has a red indicator strip on one side surface of the stop assembly, the angle display is adapted to the red indicator strip, and the side of the horizontal rotating shaft away from the adjustment handle is engaged with the inside of the support frame.

[0010] In some embodiments, the outer side of the baffle main board is provided with multiple reinforcing ribs, the sealing rubber is a U-shaped silicone strip disposed on the edge of the baffle main board, and the inner buffer layer is made of rubber disposed on the inner side of the baffle main board with a thickness of 5-10mm.

[0011] In some embodiments, the two sets of positioning seats are fixedly connected to the side of the support frame and are mirror images of each other. The top end of the positioning pin is provided with a pull ring, and the bottom end of the positioning pin is provided with a fixing hole. A fixing rod is provided in the fixing hole. The fixing hole and the fixing rod cooperate with each other to fix the positioning pin and the adjusting rod on the positioning seat.

[0012] In some embodiments, the outer walls on both sides of the support frame are provided with sliding grooves adapted to the adjustment components. The inner wall of the sliding groove is in contact with the outer wall of the elastic plastic protective sleeve. The groove of the sliding groove is 5-8 mm larger than the groove of the sliding channel.

[0013] In some embodiments, the outer wall of one side of the adjusting rod is provided with anti-slip texture, and an adjusting spring is sleeved on the outer wall of the adjusting rod away from the anti-slip texture. The two ends of the adjusting spring abut against the stop plate and the positioning seat respectively. The outer wall of the positioning seat is provided with an abutment slide that matches the adjusting spring. An elastic plastic protective sleeve is sleeved on the outer wall of the adjusting spring, and the two ends of the elastic plastic protective sleeve contact the outer walls of the adjusting rod and the positioning seat respectively.

[0014] This utility model has at least the following beneficial effects:

[0015] This straw crusher's feed inlet baffle device uses a flip-up baffle assembly and an adjustable assembly to dynamically adjust the baffle angle and clearance based on the straw's thickness. Coarse straw is less likely to push open the baffle and leak, while fine straw is less likely to get stuck. It is compatible with various straw types, including corn stalks, wheat stalks, and bean stalks, improving baffle adaptability by over 60%. This eliminates the need for separate baffle devices for each type of crusher, reducing operating costs. Furthermore, the flip-up baffle assembly and the locking effect of the adjustable assembly create a dual linkage, resulting in better crushing performance when crushing straw of different sizes. The adjustment spring and internal... The side buffer layer absorbs the impact force generated by the straw, enhances the wear performance of the main baffle, and increases its service life. At the same time, the sealing rubber slightly contracts according to the straw thrust, allowing the main baffle to retreat outward by 3-5cm when thick straw passes through, preventing straw jamming. Dust generated during device use is blocked by the elastic plastic protective sleeve, preventing dust from entering the gap of the adjusting spring and avoiding the adjustment spring jamming affecting the adaptive adjustment effect. This makes the device suitable for working environments with damp fields and many impurities, with a low failure rate, and suitable for long-term stable straw blocking operation. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the material-blocking unit structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the outer cross-sectional structure of the material-blocking assembly of this utility model;

[0019] Figure 4 This is a schematic diagram of the inner cross-sectional structure of the material-blocking assembly of this utility model;

[0020] Figure 5 This is a schematic diagram of the material blocking component and the adjustment component of this utility model;

[0021] Figure 6 This is a schematic diagram of the adjusting spring and elastic plastic protective sleeve structure of this utility model.

[0022] In the diagram: 1. Crusher; 2. Transmission structure; 3. Discharge port; 4. Feed port; 5. Material blocking unit; 51. Support frame; 52. Material blocking assembly; 521. Adjusting handle; 522. Angle display; 523. Horizontal rotating shaft; 524. Rotary groove; 525. Material blocking main plate; 526. Sealing rubber; 527. Inner buffer layer; 53. Adjusting assembly; 531. Positioning seat; 532. Slide groove; 533. Pin hole; 534. Positioning pin; 535. Adjusting rod; 536. Adjusting spring; 537. Elastic plastic protective sleeve. Detailed Implementation

[0023] 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.

[0024] Example 1:

[0025] Please see Figure 1-4 The present invention provides a technical solution: a material blocking device for the feed inlet of a straw crusher, including a crusher 1 and a transmission structure 2, and also including a discharge port 3 and a feed inlet 4. A material blocking unit 5 is fixedly connected to the outer wall of the feed inlet 4. The material blocking unit 5 includes a support frame 51, a material blocking component 52 and an adjustment component 53.

[0026] The feed stop assembly 52 is used to actively adjust the angle of the feed inlet 4.

[0027] The material blocking assembly 52 includes an adjustment handle 521, an angle display 522 is engraved on the outer wall of the adjustment handle 521, a horizontal rotating shaft 523 is fixedly connected to one side of the adjustment handle 521, a rotating groove 524 adapted to the horizontal rotating shaft 523 is opened inside the support frame 51, a material blocking main plate 525 is rotatably connected to the bottom end of the horizontal rotating shaft 523, a sealing rubber 526 is provided on the outer wall of the material blocking main plate 525, and an inner buffer layer 527 is provided on the inner side of the material blocking main plate 525.

[0028] The angle display 522 has a graduation angle of 0-60°. The support frame 51 is located on one side of the stop assembly 52 and has an angle scale line. The angle display 522 is adapted to the angle scale line. The horizontal rotating shaft 523 is engaged with the inside of the support frame 51 on the side away from the adjustment handle 521.

[0029] The outer side of the baffle main board 525 has multiple reinforcing ribs inside. The sealing rubber 526 is a U-shaped silicone strip set on the edge of the baffle main board 525. The inner buffer layer 527 is made of rubber and is set on the inner side of the baffle main board 525 with a thickness of 5-10mm.

[0030] In the above embodiment, the support frame 51 is a rectangular frame fixed to the outside of the feed inlet 4 with bolts. The rectangular frame is aligned with the feed inlet 4. The outer wall of the baffle main board 525 is an arc-shaped plate, which is not shown in the image but is described here. The convex surface faces the outside of the feed inlet 4. The rotation range of the baffle main board 525 is 0°-60°. 0° is when the baffle main board 525 is perpendicular to the feed inlet 4, and 60° is the maximum tilt angle. The angle scale line on the outside of the support frame 51 is matched with the angle display 522, corresponding to the rotation angle of the baffle main board 525 from 0° to 60°. This allows the operator to accurately adjust the baffle angle to adapt to different types of straw, such as 30°-45° for thick corn stalks and 15°-30° for thin wheat stalks. The reinforcing ribs inside the baffle main board 525 are arranged longitudinally to enhance the deformation resistance of the baffle main board 525 and extend its service life.

[0031] Example 2:

[0032] Please see Figure 1-6 This utility model provides a technical solution: a material blocking device for the feed inlet of a straw crusher, including a crusher 1 and a transmission structure 2, and also including a discharge port 3 and a feed inlet 4. A material blocking unit 5 is fixedly connected to the outer wall of the feed inlet 4. The material blocking unit 5 includes a support frame 51, a material blocking component 52 and an adjustment component 53.

[0033] The adjustment component 53 is used to fix and buffer the feed inlet 4 during operation.

[0034] Both sides of the support frame 51 are provided with a set of adjustment components 53. The adjustment components 53 include a positioning seat 531. The positioning seat 531 has a sliding groove 532 inside. The outer wall of the positioning seat 531 has multiple sets of pin holes 533. The pin holes 533 are fitted with positioning pins 534. The inner wall of the sliding groove 532 is fitted with an adjustment rod 535. An adjustment spring 536 is sleeved on the outer wall of one end of the adjustment rod 535. An elastic plastic protective sleeve 537 is sleeved on the outer wall of the adjustment spring 536.

[0035] Two sets of positioning seats 531 are fixedly connected to the side of the support frame 51 and are mirror images of each other. The top of the positioning pin 534 is provided with a pull ring, and the bottom of the positioning pin 534 is provided with a fixing hole. A fixing rod is provided in the fixing hole. The fixing hole and the fixing rod cooperate with each other to fix the positioning pin 534 and the adjusting rod 535 on the positioning seat 531.

[0036] The outer walls on both sides of the support frame 51 are provided with sliding grooves that are compatible with the adjustment components 53. The inner wall of the sliding groove is in contact with the outer wall of the elastic plastic protective sleeve 537. The groove of the sliding groove is 5-8 mm larger than the groove of the sliding groove 532.

[0037] The outer wall of one side of the adjusting rod 535 is provided with anti-slip texture. An adjusting spring 536 is fitted on the outer wall of the adjusting rod 535 away from the anti-slip texture. The two ends of the adjusting spring 536 abut against the stop plate 525 and the positioning seat 531 respectively. The outer wall of the positioning seat 531 is provided with abutment slide that matches the adjusting spring 536. An elastic plastic protective sleeve 537 is fitted on the outer wall of the adjusting spring 536. The two ends of the elastic plastic protective sleeve 537 contact the outer walls of the adjusting rod 535 and the positioning seat 531 respectively.

[0038] In the above embodiment, the slide 532 has an arc-shaped surface to accommodate the angle opening and closing of the baffle main plate 525. There are four sets of pin holes 533, each set consisting of two upper and lower holes, each fitted with a positioning pin 534. The pull ring at the top of the positioning pin 534 facilitates easy insertion and removal by the operator, allowing for quick adjustment of the baffle angle. One end of the adjusting rod 535 has a fixing hole fitted with the positioning pin 534. The adjusting spring 536 moves when the baffle main plate 525 rotates. When the baffle main plate 525 stops rotating, the positioning pin 534 inserts into the pin hole 533 and the fixing hole on the positioning pin 534. The hole fixes the adjusting rod 535. When the adjusting rod 535 moves, it drives the adjusting spring 536 to slide in the abutting slide. When it stops moving, the adjusting spring 536 abuts in the abutting slide. When the device is working, the adjusting spring 536 buffers the impact force through torque, allowing the material blocking main plate 525 to retract slightly, avoiding the jamming of coarse straw. The elastic plastic protective sleeve 537 blocks the fine dust generated during operation, preventing dust from entering the gap of the adjusting spring 536 and avoiding the jamming of the adjusting spring 536 from affecting the adaptive adjustment effect.

[0039] Working Principle: When using the device, first determine the thickness of the straw, then determine the flip angle of the baffle main plate 525. When the baffle main plate 525 flips, first remove the fixing rod, then remove the positioning pin 534 through the pull ring. The operator holds the adjusting rod 535 with one hand and the adjusting handle 521 with the other, applying pressure to the adjusting handle 521 to rotate it. When the adjusting handle 521 rotates, the horizontal rotating shaft 523 rotates in the rotating groove 524. The rotation of the horizontal rotating shaft 523 drives the baffle main plate 525 to rotate. At the same time as the adjusting handle 521 rotates, the adjusting rod 535 slides in the sliding groove 532, and the adjusting spring 536 slides in the abutment slide. By observing the angle display 522 and the angle scale line, the flip angle of the baffle main plate 525 is determined. When the desired angle for crushing coarse and fine straw is reached, stop applying pressure to the adjusting handle 521. Simultaneously, stop the adjusting rod 535 at the position of the pin hole 533 that matches the angle. Insert the positioning pin 534 into the pin hole 533 and the fixing hole on the adjusting rod 535 to fix the positioning pin 534 at the current angle position. By adjusting the angle of the handle 521, the fixing effect of the adjusting component 53 is determined. This ensures that the material blocking main plate 525 will not fluctuate due to instability during operation, which would result in poor straw crushing effect and easy jamming. When the device crushes straw of different sizes, the rotating opening is adapted to match the size of the straw, resulting in better crushing effect, increased stability, reduced failure rate, and increased service life.

[0040] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A straw pulverizer feed port blocking device, comprising a pulverizer (1) and a transmission structure (2), characterized in that: It also includes a discharge port (3) and a feed port (4). A baffle unit (5) is fixedly connected to the outer wall of the feed port (4). The baffle unit (5) includes a support frame (51), a baffle assembly (52), and an adjustment assembly (53). The baffle assembly (52) is used to actively adjust the angle of the feed inlet (4); The adjustment component (53) is used to fix and buffer the feed inlet (4) during operation.

2. The straw pulverizer feed port blocking device according to claim 1, characterized in that: The material blocking assembly (52) includes an adjustment handle (521), an angle display (522) is engraved on the outer wall of the adjustment handle (521), a horizontal rotating shaft (523) is fixedly connected to one side of the adjustment handle (521), a rotating groove (524) adapted to the horizontal rotating shaft (523) is opened inside the support frame (51), a material blocking main plate (525) is rotatably connected to the bottom end of the horizontal rotating shaft (523), a sealing rubber (526) is provided on the outer wall of the material blocking main plate (525), and an inner buffer layer (527) is provided on the inner side of the material blocking main plate (525).

3. The straw pulverizer feed port blocking device according to claim 1, characterized in that: The support frame (51) has a set of adjustment components (53) on both sides. The adjustment components (53) include a positioning seat (531). The positioning seat (531) has a sliding groove (532) inside. The positioning seat (531) has multiple sets of pin holes (533) on its outer wall. The pin holes (533) are fitted with positioning pins (534). The inner wall of the sliding groove (532) is fitted with an adjustment rod (535). An adjustment spring (536) is sleeved on the outer wall of one end of the adjustment rod (535). An elastic plastic protective sleeve (537) is sleeved on the outer wall of the adjustment spring (536).

4. The straw pulverizer feed port blocking device according to claim 2, characterized in that: The angle display (522) has a marking angle of 0-60°. The support frame (51) is located on one side of the baffle assembly (52) and has a red indicator strip. The angle display (522) is adapted to the red indicator strip. The horizontal rotating shaft (523) is engaged with the inside of the support frame (51) on the side away from the adjustment handle (521).

5. The straw pulverizer feed port blocking device according to claim 2, characterized in that: The outer side of the baffle main board (525) is provided with multiple reinforcing ribs. The sealing rubber (526) is a U-shaped silicone strip set on the edge of the baffle main board (525). The inner buffer layer (527) is made of rubber and set on the inner side of the baffle main board (525) with a thickness of 5-10mm.

6. The straw pulverizer feed port blocking device according to claim 3, characterized in that: The two sets of positioning seats (531) are fixedly connected to the side of the support frame (51) and are mirror images of each other. The top of the positioning pin (534) is provided with a pull ring, and the bottom of the positioning pin (534) is provided with a fixing hole. A fixing rod is provided in the fixing hole. The fixing hole and the fixing rod cooperate with each other to fix the positioning pin (534) and the adjusting rod (535) on the positioning seat (531).

7. The feed gate of a straw pulverizer according to claim 1, characterized in that: The support frame (51) has sliding grooves on both outer walls that are adapted to the adjustment components (53). The inner wall of the sliding groove is in contact with the outer wall of the elastic plastic protective sleeve (537). The groove of the sliding groove is 5-8 mm larger than the groove of the sliding groove (532).

8. The straw pulverizer feed port blocking device according to claim 3, characterized in that: The outer wall of the adjusting rod (535) is provided with anti-slip texture. An adjusting spring (536) is sleeved on the outer wall of the adjusting rod (535) away from the anti-slip texture. The two ends of the adjusting spring (536) abut against the stop plate (525) and the positioning seat (531) respectively. The outer wall of the positioning seat (531) is provided with an abutment slide that matches the adjusting spring (536). An elastic plastic protective sleeve (537) is sleeved on the outer wall of the adjusting spring (536). The two ends of the elastic plastic protective sleeve (537) are in contact with the outer walls of the adjusting rod (535) and the positioning seat (531) respectively.

Images