Straw briquetting forming machine

Abstract

The utility model discloses a straw briquetting forming machine which comprises a bottom frame, a material extruding barrel is fixedly arranged on the upper end face of the bottom frame, the lower end of the material extruding barrel is open, a spiral material extruding mechanism is arranged in the material extruding barrel, the side face of the material extruding barrel is communicated with a feeding end, a straw forming box is fixedly arranged at the bottom of the bottom frame, and the upper end of the straw forming box is communicated with the material extruding barrel. The bottom face of the interior of the feeding end is provided with a belt conveyor, the top face of the interior of the feeding end is provided with a compression roller mechanism used for leveling and rolling straw, and the straw forming box comprises a U-shaped frame fixedly arranged at the bottom of the bottom frame and a pushing mechanism arranged in the U-shaped frame in a sliding mode. The compression roller can make close contact with straw and flatten and roll the straw under the elastic action of the spring, the disordered straw is pre-processed to be in a regular and compact state, the unique pushing mechanism design is adopted, the first pushing plate and the second pushing plate are driven by the electric pushing rod to slide in the U-shaped frame, and formed straw blocks can be easily pushed out of the straw forming box.

Description

Technical Field

[0001] This utility model relates to the technical field of straw processing equipment, specifically a straw briquetting machine. Background Technology

[0002] With the development of agriculture, the disposal of crop straw has become an important issue. Straw briquetting is an effective way to utilize straw resources. By compressing straw into blocks, it is easier to store, transport, and process for subsequent use, such as as biomass fuel or feed. It is of great significance in the fields of agricultural waste treatment and new energy development.

[0003] Traditional straw briquetting machines typically include a base frame, extrusion cylinder, feed end, and straw forming box. The extrusion cylinder is mounted on the upper surface of the base frame, with an opening at its lower end and an internal spiral extrusion mechanism. A motor drives a rotating shaft, which in turn rotates the spiral blades to compress and push the straw. The feed end is connected to the side of the extrusion cylinder for inputting the straw raw material. The straw forming box is fixed to the bottom of the base frame and connected to the extrusion cylinder for forming straw blocks.

[0004] However, traditional straw briquetting machines have many drawbacks. At the feeding end, due to the inherent disorder of the straw, traditional machines lack effective leveling rollers, failing to pre-level and compact the straw entering the extrusion cylinder. This leads to clogging and uneven compression during the screw extrusion process, severely impacting the efficiency and quality of briquetting. Regarding unloading, traditional straw briquetting boxes have a simple design, making it inconvenient to remove the briquetting blocks from the box. This often requires additional tools or complex manual labor, consuming significant manpower and time, and reducing overall production efficiency. Utility Model Content

[0005] (I) Technical Issues

[0006] The present invention aims to provide an improved straw briquetting machine that overcomes the defects of traditional straw briquetting machines in the feeding and unloading processes.

[0007] (II) Technical Content

[0008] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows: a straw briquetting machine, including a base frame, an extrusion cylinder fixedly provided on the upper end of the base frame, the lower end of the extrusion cylinder being open and having a spiral extrusion mechanism inside, a feeding end connected to the side of the extrusion cylinder, a straw forming box fixedly provided at the bottom of the base frame, the upper end of the straw forming box being connected to the extrusion cylinder, a belt conveyor provided on the bottom surface inside the feeding end, a pressure roller mechanism for leveling and pressing straw provided on the top surface inside the feeding end, and the straw forming box including a U-shaped frame fixedly provided at the bottom of the base frame and a pushing mechanism slidably provided inside the U-shaped frame.

[0009] Furthermore, the pushing mechanism includes a first push plate and a second push plate, which are fixedly connected by a crossbar. The first push plate, the second push plate, and the U-shaped frame constitute a box structure with an open top. The crossbar is slidably disposed on the inner wall of the U-shaped frame. It also includes an electric push rod fixedly disposed at the bottom of the base frame, and the piston end of the electric push rod is fixedly connected to the second push plate.

[0010] Furthermore, the pressure roller mechanism includes two movable rods that are movably connected to the top plate of the feed end. A mounting bracket is fixed between the lower ends of the movable rods. A pressure roller is rotatably mounted inside the mounting bracket. A spring is sleeved on the movable rods between the mounting bracket and the top surface of the feed end.

[0011] Furthermore, the spiral extrusion mechanism includes a rotating shaft rotatably disposed inside the extrusion cylinder, with spiral blades fixedly disposed on the rotating shaft, and also includes a motor fixedly disposed at the upper end of the extrusion cylinder for driving the rotating shaft to rotate.

[0012] (III) Technical Effects

[0013] The advantages of this utility model compared with the prior art are as follows:

[0014] 1. By setting a pressure roller mechanism on the inner top surface of the feeding end, the elasticity of the spring allows the pressure roller to closely contact and flatten the straw, pre-processing the messy straw into a more regular and compact state. This effectively avoids straw blockage and uneven extrusion during the screw extrusion process, greatly improving the working efficiency of the screw extrusion mechanism and the quality of straw briquette forming. It ensures that each briquette has uniform density and stable structure, which is beneficial for subsequent storage, transportation and use.

[0015] 2. A unique pushing mechanism design is adopted, in which pusher plate one and pusher plate two are driven by an electric push rod to slide within a U-shaped frame, allowing the formed straw blocks to be easily pushed out of the straw forming box. This improves overall production efficiency. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of a straw briquetting machine according to this utility model. Figure 1 .

[0017] Figure 2 This is a three-dimensional structural diagram of a straw briquetting machine according to this utility model. Figure 2 .

[0018] Figure 3 This is a three-dimensional structural diagram of a straw briquetting machine according to this utility model. Figure 3 .

[0019] Figure 4 This is a schematic diagram of the main structure of a straw briquetting machine according to this utility model.

[0020] Figure 5 This is a right-side structural schematic diagram of a straw briquetting machine according to the present invention.

[0021] Figure 6 This is a schematic diagram of the cross-sectional structure of a straw briquetting machine according to the present invention.

[0022] As shown in the figure: 1. Base frame; 2. Extrusion cylinder; 3. Feeding end; 4. Straw forming box; 5. Belt conveyor; 6. Pressure roller mechanism; 7. U-shaped frame; 8. Push plate one; 9. Push plate two; 10. Crossbar; 11. Electric push rod; 12. Movable rod; 13. Mounting bracket; 14. Pressure roller; 15. Spring; 16. Rotating shaft; 17. Spiral blade; 18. Motor. Detailed Implementation

[0023] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "center", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation structure and operation. Therefore, they should not be construed as limitations on this utility model.

[0024] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "provided with," "installed," "connected," "linked," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0025] The present invention will now be described in further detail with reference to the accompanying drawings.

[0026] Combined with appendix Figure 1 To be continued Figure 6 A straw briquetting machine includes a base frame 1, an extrusion cylinder 2 fixedly mounted on the upper surface of the base frame 1, the lower end of the extrusion cylinder 2 being open and having a spiral extrusion mechanism inside, a feeding end 3 connected to the side of the extrusion cylinder 2, a straw forming box 4 fixedly mounted on the bottom of the base frame 1, the upper end of the straw forming box 4 being connected to the extrusion cylinder 2, a belt conveyor 5 being mounted on the bottom surface inside the feeding end 3, and a pressure roller mechanism 6 for leveling and pressing straw being mounted on the top surface inside the feeding end 3, and the straw forming box 4 including a U-shaped frame 7 fixedly mounted on the bottom of the base frame 1 and a pushing mechanism slidably mounted inside the U-shaped frame 7.

[0027] The pushing mechanism includes a first push plate 8 and a second push plate 9, which are fixedly connected by a crossbar 10. The first push plate 8, the second push plate 9, and the U-shaped frame 7 form a box structure with an open top. The crossbar 10 is slidably disposed on the inner wall of the U-shaped frame 7. It also includes an electric push rod 11 fixedly disposed at the bottom of the base frame 1. The piston end of the electric push rod 11 is fixedly connected to the second push plate 9.

[0028] The pressure roller mechanism 6 includes two movable rods 12 that are inserted and connected to the top plate of the feed end 3. A mounting bracket 13 is fixedly provided between the lower ends of the movable rods 12. A pressure roller 14 is rotatably provided inside the mounting bracket 13. A spring 15 is sleeved on the movable rods 12 and located between the mounting bracket 13 and the top surface of the feed end 3.

[0029] The spiral extrusion mechanism includes a rotating shaft 16 rotatably disposed inside the extrusion cylinder 2, a spiral blade 17 fixedly disposed on the rotating shaft 16, and a motor 18 fixedly disposed at the upper end of the extrusion cylinder 2 for driving the rotating shaft 16 to rotate.

[0030] The working principle of this straw briquetting machine is as follows: This straw briquetting machine achieves efficient briquetting of straw through the coordinated operation of its various components. First, the belt conveyor 5 transports the straw into the feeding end 3. During this process, the pressure roller mechanism 6 levels and presses the straw, allowing it to enter the extrusion cylinder 2 in a more favorable compressible state. Driven by the motor 18, the spiral extrusion mechanism inside the extrusion cylinder 2 continuously compresses and pushes the straw downwards into the straw forming box 4, where it is gradually compacted and shaped. Finally, the pushing mechanism pushes the formed straw blocks out of the straw forming box 4, completing the entire briquetting process.

[0031] The working process of this straw briquetting machine is as follows:

[0032] 1. Start the belt conveyor 5 to transport the straw to be processed from one end of the feed end 3 into the interior. It should be noted that the belt conveyor 5 is an existing mature technology and is widely used in the feed conveying end. It usually includes a belt, rollers and motor. It will not be described in detail in this solution.

[0033] 2. When the straw is conveyed at the feed end 3, the pressure roller mechanism 6 located on the top surface inside the feed end 3 starts to work. Specifically, the straw pushes upward against the pressure roller 14, the pressure roller 14 drives the mounting bracket 13 to move upward, the movable rod 12 slides upward at the insertion connection part of the top plate of the feed end 3, the spring 15 is compressed, and at the same time, the pressure roller 14 flattens and rolls the straw under the rebound force of the spring 15, making the straw neat and compact.

[0034] 3. After being leveled and rolled, the straw enters the extrusion cylinder 2. The motor 18 is started, and the motor 18 drives the rotating shaft 16 to rotate. The spiral blades 17 on the rotating shaft 16 rotate accordingly, continuously squeezing and pushing the straw downwards to the straw forming box 4.

[0035] 4. In the straw forming box 4, the straw is gradually compacted and formed. When a certain number of formed blocks are reached or when they need to be removed, the electric push rod 11 is activated. The piston end of the electric push rod 11 pushes the push plate 2 9. The push plate 2 9 drives the push plate 1 8 to slide together inside the U-shaped frame 7 through the crossbar 10, pushing the formed straw blocks out from the side opening of the U-shaped frame 7, completing the material removal process. Then, the next round of straw briquetting and forming operation can be carried out.

[0036] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A straw briquetting machine, comprising a base frame (1), an extrusion cylinder (2) fixedly mounted on the upper surface of the base frame (1), the lower end of the extrusion cylinder (2) being open and having a spiral extrusion mechanism inside, a feeding end (3) connected to the side of the extrusion cylinder (2), and a straw forming box (4) fixedly mounted at the bottom of the base frame (1), the upper end of the straw forming box (4) being connected to the extrusion cylinder (2), characterized in that: The bottom surface of the feed end (3) is provided with a belt conveyor (5), and the top surface of the feed end (3) is provided with a pressure roller mechanism (6) for leveling and pressing straw. The straw forming box (4) includes a U-shaped frame (7) fixedly installed at the bottom of the base frame (1) and a pushing mechanism slidably installed inside the U-shaped frame (7).

2. The straw briquetting machine according to claim 1, characterized in that: The pushing mechanism includes a push plate 1 (8) and a push plate 2 (9). The push plate 1 (8) and the push plate 2 (9) are fixedly connected by a crossbar (10). The push plate 1 (8), the push plate 2 (9) and the U-shaped frame (7) form a box structure with an open top. The crossbar (10) is slidably disposed on the inner wall of the U-shaped frame (7). It also includes an electric push rod (11) fixedly disposed at the bottom of the base frame (1). The piston end of the electric push rod (11) is fixedly connected to the push plate 2 (9).

3. The straw briquetting machine according to claim 1, characterized in that: The pressure roller mechanism (6) includes two movable rods (12) that are inserted and connected to the top plate of the feed end (3). A mounting bracket (13) is fixed between the lower ends of the movable rods (12). A pressure roller (14) is rotatably mounted inside the mounting bracket (13). A spring (15) is sleeved on the movable rods (12) and located between the mounting bracket (13) and the top surface of the feed end (3).

4. The straw briquetting machine according to claim 1, characterized in that: The spiral extrusion mechanism includes a rotating shaft (16) rotatably disposed inside the extrusion cylinder (2), a spiral blade (17) fixedly disposed on the rotating shaft (16), and a motor (18) fixedly disposed on the upper end of the extrusion cylinder (2) for driving the rotating shaft (16) to rotate.

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