Straw chopper with waste recovery structure

Abstract

The utility model relates to the technical field of straw smashing, and provides a straw chopper with a waste recovery structure, which comprises a chopping device, the chopping device comprises a base, and the bottom of the inner wall of the base is fixedly connected with a motor. By means of the technical scheme, the problems in the prior art are solved, the telescopic force of the electric telescopic rod is matched with the fixing plate, the U-shaped frame box, the material box and other assemblies, the electric telescopic rod pushes the material box to move in the vertical direction, and therefore the material box drives the rotating rod to move in the vertical direction; and when the bevel gear meets a tooth block, the bevel gear rotates through the tooth block, so that the bevel gear drives the rotating rod to rotate, then the rotating rod drives the material box to rotate, the automatic feeding effect is achieved, manual feeding is not needed, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of straw crushing, and in particular to a straw chopper with a waste recycling structure. Background Art

[0002] At present, straw processing is a method of using machinery to crush the straw and return it to the field. It can save a lot of manpower and material resources, save costs, and improve soil structure, enhance soil fertility, increase crop yields, and thus improve the economic benefits of crops.

[0003] According to a disclosed banana straw shredder with a waste collection structure (publication number: CN219919758U), it includes a base, a shredder assembly mounted on the top of the base, an upper cover, a lower cover rotatably mounted on the left side of the bottom end of the upper cover, a guide plate mounted on the back of the upper cover, the upper cover and the right side of the lower cover connected and fixed by a fixing assembly, a shielding assembly mounted on the left side of the lower cover, and an adjustment assembly mounted on the top of the shielding assembly, universal wheels connected to the corners of the bottom end of the base, and a pushing assembly disposed at the center of the top end of the base. The utility model moves a shaft sleeve on the surface of the connecting rod, thereby pulling an arc plate through a support spring, allowing the arc plate to rotate and adjust. The arc plate intercepts the sprayed straw waste, allowing the straw waste to accumulate on the surface of the base, making it convenient for workers to quickly collect and clean the straw waste. However, in the above-mentioned device, the mutual cooperation between the base and the shredder assembly and other components makes it difficult to achieve the effect of automatic loading, resulting in the need for manual loading, which is time-consuming and labor-intensive, and needs to be improved. Utility Model Content

[0004] The utility model proposes a straw chopper with a waste recycling structure, which solves the problem in the related technology that the electric telescopic rod pushes the material box to move in the vertical direction, so that the material box drives the rotating rod to move in the vertical direction, and then the rotating rod drives the bevel gear to move in the vertical direction. When the bevel gear encounters the tooth block, the bevel gear rotates through the tooth block, so that the bevel gear drives the rotating rod to rotate, and then the rotating rod drives the material box to rotate, achieving the effect of automatic loading, eliminating the need for manual loading, saving time and effort.

[0005] The technical solution of the utility model is as follows: A straw chopper with a waste recycling structure includes a chopping device, the chopping device includes a base, the bottom of the inner wall of the base is fixedly connected to a motor, the output shaft of the motor is fixedly connected to a screw, the outer surface of the screw is fixedly sleeved with a spiral blade mechanism, the top of the base is fixedly connected to a device barrel, the end of the screw away from the motor is fixedly connected to a connecting rod, and the end of the connecting rod away from the screw is fixedly connected to a scraper;

[0006] Inside the shredding device, a feeding device is provided. The feeding device includes a fixing plate. One side of the fixing plate is fixedly connected to the circumferential surface of the base. At the top of the fixing plate, a U-shaped frame is fixedly connected. At the top of the fixing plate, an electric telescopic rod is fixedly connected. At the end of the electric telescopic rod away from the fixing plate, there is a material box. One side of the material box is fixedly connected to a rotating rod. The end of the rotating rod away from the material box penetrates through and is fixedly connected to a helical gear. Inside the U-shaped frame, a toothed block is fixedly connected.

[0007] Further, the scraper is located inside the device barrel. The side of the scraper away from the connecting rod is in contact with the device barrel. The end of the lead screw away from the motor penetrates through the bottom of the device barrel and is rotatably connected to the device barrel. The spiral blade mechanism is located inside the device barrel. The above design is beneficial to scraping the residual material on the inner wall of the device barrel by the contact between the scraper and the inner wall of the device barrel.

[0008] Further, the number of U-shaped frames is two, and they are symmetric along the vertical central axis of the fixing plate. The telescopic range of the electric telescopic rod is the same as the height of the U-shaped frame. The end of the electric telescopic rod away from the fixing plate is in contact with the bottom of the material box. The above design is beneficial to raising the height of the material box by the electric telescopic rod.

[0009] Further, the feeding device includes a long rod. The circumferential surface of the long rod is rotatably connected to the circumferential surface of the device barrel. A torsion spring is fixedly sleeved on the outer surface of the long rod. One end of the torsion spring is fixedly connected to the circumferential surface of the device barrel, and the other end of the torsion spring is fixedly connected to the circumferential surface of the long rod. A baffle is fixedly connected to the circumferential surface of the long rod. A through groove is formed on the circumferential surface of the device barrel. A sliding groove is formed on one side of the U-shaped frame. A connecting plate is slidably connected to the inner wall of the sliding groove. One end of the connecting plate is rotatably connected to the circumferential surface of the rotating rod. The other end of the connecting plate is fixedly connected to an inclined plate. A slider is slidably connected to the side of the U-shaped frame close to the sliding groove. The end of the slider away from the U-shaped frame is fixedly connected to a force-bearing plate. One side of the slider is fixedly connected to a spring. The end of the spring away from the slider is fixedly connected to a positioning plate. The side of the positioning plate close to the spring is fixedly connected to the side of the U-shaped frame close to the opening. The end of the U-shaped frame away from the positioning plate is fixedly connected to a pull rope. The end of the pull rope away from the U-shaped frame is fixedly connected to the circumferential surface of the baffle. The above design is beneficial to discharging the shredded straw.

[0010] Further, the through groove is located on the displacement track of the baffle. One end of the force-bearing plate is in contact with the inclined surface of the inclined plate, and the end of the force-bearing plate away from the inclined plate is in contact with the pull rope. The above design is beneficial to ensuring the sealing performance of the device by the baffle.

[0011] Further, one end of the connecting plate is located inside the U-shaped frame, the inclined plate is located between the U-shaped frame and the device barrel, and the slider is located below the connecting plate. The above design is beneficial to prevent the slider from colliding with the connecting plate.

[0012] Further, the number of the rotating rods is two, and they are symmetrically arranged along the vertical central axis of the material box. The number of the helical gears is two, and they are symmetrically arranged along the vertical central axis of the material box. The above design is beneficial to drive the helical gears to rotate through the rotating rods.

[0013] Further, the number of the tooth blocks is several, grouped in pairs, and arranged in a linear array inside the U-shaped frame. The tooth blocks are located on the displacement track of the helical gears. The bottom of the material box is arc-shaped. The above design is beneficial to avoid the material box being blocked by the electric telescopic rod when turning through the arc-shaped bottom of the material box.

[0014] Further, one side of the material box is in contact with the round tabletop of the device barrel. The opening of the material box is located above the opening of the device barrel. The material box is located between two U-shaped frames. The above design is beneficial to limit the material box by the mutual contact between the material box and the device barrel.

[0015] Further, the end of the rotating rod close to the helical gear is located inside the U-shaped frame. The helical gear is located inside the U-shaped frame. The electric telescopic rod is located between two U-shaped frames. The above design is beneficial to limit the helical gear by the U-shaped frame.

[0016] The working principle and beneficial effects of the present utility model are as follows:

[0017] 1. In the present utility model, through the cooperation of the force of the telescopic movement of the electric telescopic rod with components such as the fixed plate, U-shaped frame, and material box, it realizes that the electric telescopic rod pushes the material box to perform vertical displacement, so that the material box drives the rotating rod to perform vertical displacement, and further the rotating rod drives the helical gear to perform vertical displacement. When the helical gear encounters the tooth block, the helical gear rotates through the tooth block, so that the helical gear drives the rotating rod to rotate, and further the rotating rod drives the material box to rotate, achieving the effect of automatic feeding, without manual feeding, saving time and effort.

[0018] 2. In the present utility model, through the cooperation of the force during the displacement of the rotating rod with components such as the long rod, torsion spring, and baffle, it realizes that when the rotating rod performs vertical displacement, the rotating rod drives the inclined plate to perform vertical displacement, so that the inclined surface of the inclined plate pushes the force receiving plate to push the pull rope, and further the pull rope pulls the baffle, making the baffle perform circular motion through the long rod, achieving the effect of automatic discharging. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The following further describes the present utility model in detail with reference to the drawings and specific embodiments.

[0020] Figure 1 is a three-dimensional external structure schematic diagram of the present utility model;

[0021] Figure 2 is a three-dimensional side view structure schematic diagram of the U-shaped frame of the present utility model;

[0022] Figure 3 is a three-dimensional sectional view structure schematic diagram of the U-shaped frame of the present utility model;

[0023] Figure 4 is a three-dimensional sectional view structure schematic diagram of the base of the present utility model;

[0024] Figure 5 In the present utility model Figure 4 is a three-dimensional enlarged view of A.

[0025] In the figure: 1. Chopping device; 101. Base; 102. Motor; 103. Lead screw; 104. Spiral blade mechanism; 105. Device barrel; 106. Scraper; 107. Connecting rod; 2. Feeding device; 201. Fixed plate; 202. U-shaped frame; 203. Electric telescopic rod; 204. Material box; 205. Rotating rod; 206. Helical gear; 207. Tooth block; 208. Long rod; 209. Torsion spring; 210. Baffle; 211. Through groove; 212. Slide groove; 213. Connecting plate; 214. Inclined plate; 215. Slide block; 216. Force-bearing plate; 217. Spring; 218. Positioning plate; 219. Pulling rope. Specific embodiments

[0026] Next, in combination with the embodiments of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present utility model.

[0027] Embodiment 1

[0028] As Figures 1 to 3 , this embodiment proposes a straw chopper with a waste recycling structure, including a chopping device 1. The chopping device 1 includes a base 101. The bottom of the inner wall of the base 101 is fixedly connected with a motor 102. The output shaft of the motor 102 is fixedly connected with a lead screw 103. A spiral blade mechanism 104 is fixedly sleeved on the outer surface of the lead screw 103. The top of the base 101 is fixedly connected with a device barrel 105. One end of the lead screw 103 far from the motor 102 is fixedly connected with a connecting rod 107. One end of the connecting rod 107 far from the lead screw 103 is fixedly connected with a scraper 106;

[0029] Inside the chopping device 1, a feeding device 2 is provided. The feeding device 2 includes a fixing plate 201. One side of the fixing plate 201 is fixedly connected to the circumferential surface of the base 101. At the top of the fixing plate 201, a U-shaped frame 202 is fixedly connected. At the top of the fixing plate 201, an electric telescopic rod 203 is fixedly connected. At the end of the electric telescopic rod 203 away from the fixing plate 201, a material box 204 is provided. On one side of the material box 204, a rotating rod 205 is fixedly connected. At the end of the rotating rod 205 away from the material box 204, a helical gear 206 passes through and is fixedly connected to the helical gear 206. Inside the U-shaped frame 202, a tooth block 207 is fixedly connected.

[0030] The scraper 106 is located inside the device barrel 105. The side of the scraper 106 away from the connecting rod 107 is in contact with the device barrel 105. The end of the lead screw 103 away from the motor 102 passes through the bottom of the device barrel 105 and is rotatably connected to the device barrel 105. The spiral blade mechanism 104 is located inside the device barrel 105. The above design is conducive to scraping the residual material on the inner wall of the device barrel 105 by the mutual contact between the scraper 106 and the inner wall of the device barrel 105.

[0031] The number of U-shaped frames 202 is two, and they are symmetric with respect to the vertical central axis of the fixing plate 201. The telescopic range of the electric telescopic rod 203 is the same as the height of the U-shaped frame 202. The end of the electric telescopic rod 203 away from the fixing plate 201 is in contact with the bottom of the material box 204. The above design is conducive to lifting the height of the material box 204 by the electric telescopic rod 203

[0032] In this embodiment, the electric telescopic rod 203 is used to push the material box 204 to displace in the vertical direction, so that the material box 204 drives the rotating rod 205 to displace in the vertical direction, and further the rotating rod 205 drives the helical gear 206 to displace in the vertical direction. When the helical gear 206 encounters the tooth block 207, the helical gear 206 rotates through the tooth block 207, so that the helical gear 206 drives the rotating rod 205 to rotate, and further the rotating rod 205 drives the material box 204 to rotate, achieving the effect of automatic feeding, eliminating the need for manual feeding, saving time and effort.

[0033] Embodiment 2

[0034] As Figures 4 to 5, based on the same concept as the above-mentioned Embodiment 1, this embodiment also proposes a straw shredder with a waste recycling structure, including a shredding device 1. Inside the shredding device 1, there is a feeding device 2. The feeding device 2 includes a long rod 208. The circumferential surface of the long rod 208 is rotatably connected to the circumferential surface of the device barrel 105. A torsion spring 209 is fixedly sleeved on the outer surface of the long rod 208. One end of the torsion spring 209 is fixedly connected to the circumferential surface of the device barrel 105, and the other end of the torsion spring 209 is fixedly connected to the circumferential surface of the long rod 208. A baffle 210 is fixedly connected to the circumferential surface of the long rod 208. A through groove 211 is opened on the circumferential surface of the device barrel 105. A sliding groove 212 is opened on one side of the U-shaped frame 202. A connecting plate 213 is slidably connected to the inner wall of the sliding groove 212. One end of the connecting plate 213 is rotatably connected to the circumferential surface of the rotating rod 205. The other end of the connecting plate 213 is fixedly connected to an inclined plate 214. A slider 215 is slidably connected to one side of the U-shaped frame 202 close to the sliding groove 212. One end of the slider 215 away from the U-shaped frame 202 is fixedly connected to a force-bearing plate 216. A spring 217 is fixedly connected to one side of the slider 215. One end of the spring 217 away from the slider 215 is fixedly connected to a positioning plate 218. The side of the positioning plate 218 close to the spring 217 is fixedly connected to the side of the U-shaped frame 202 close to the opening. A pull rope 219 is fixedly connected to the end of the U-shaped frame 202 away from the positioning plate 218. The end of the pull rope 219 away from the U-shaped frame 202 is fixedly connected to the circumferential surface of the baffle 210. The above design is beneficial for discharging the shredded straw.

[0035] The through groove 211 is located on the displacement trajectory of the baffle 210. One end of the force-bearing plate 216 is in contact with the inclined surface of the inclined plate 214, and the end of the force-bearing plate 216 away from the inclined plate 214 is in contact with the pull rope 219. The above design is beneficial for ensuring the sealing performance of the device through the baffle 210.

[0036] One end of the connecting plate 213 is located inside the U-shaped frame 202. The inclined plate 214 is located between the U-shaped frame 202 and the device barrel 105. The slider 215 is located below the connecting plate 213. The above design is beneficial for preventing the slider 215 from colliding with the connecting plate 213.

[0037] The number of the rotating rods 205 is two, and they are symmetrically arranged along the vertical central axis of the material box 204. The number of the helical gears 206 is two, and they are symmetrically arranged along the vertical central axis of the material box 204. The above design is beneficial for driving the helical gear 206 to rotate through the rotating rod 205.

[0038] The number of the tooth blocks 207 is several, in pairs, and they are arranged in a linear array inside the U-shaped frame 202. The tooth blocks 207 are located on the displacement trajectory of the helical gear 206. The bottom of the material box 204 is set to be arc-shaped. The above design is beneficial for avoiding the obstruction of the electric telescopic rod 203 when the material box 204 turns through the arc-shaped bottom of the material box 204.

[0039] One side of the material box 204 is in contact with the round tabletop of the device barrel 105. The opening of the material box 204 is located above the opening of the device barrel 105. The material box 204 is located between two U-shaped frames 202. The above design is conducive to limiting the position of the material box 204 through the mutual contact between the material box 204 and the device barrel 105.

[0040] One end of the rotating rod 205 close to the helical gear 206 is located inside the U-shaped frame 202. The helical gear 206 is located inside the U-shaped frame 202. The electric telescopic rod 203 is located between two U-shaped frames 202. The above design is conducive to limiting the position of the helical gear 206 through the U-shaped frame 202.

[0041] In this embodiment, when the rotating rod 205 moves vertically, the rotating rod 205 drives the inclined plate 214 to move vertically, so that the inclined surface of the inclined plate 214 pushes the force-bearing plate 216 to push the pull rope 219, and then the pull rope 219 pulls the baffle 210, so that the baffle 210 makes a circular motion through the long rod 208, achieving the effect of automatic blanking. When the rotating rod 205 moves downward vertically, the baffle 210 is reset by the torsion of the torsion spring 209.

[0042] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A straw shredder with a waste recycling structure, characterized in that, It includes a chopping device (1), and the chopping device (1) includes a base (101). At the bottom of the inner wall of the base (101), a motor (102) is fixedly connected. The output shaft of the motor (102) is fixedly connected with a lead screw (103). A spiral blade mechanism (104) is fixedly sleeved on the outer surface of the lead screw (103). At the top of the base (101), a device barrel (105) is fixedly connected. One end of the lead screw (103) far from the motor (102) is fixedly connected with a connecting rod (107), and one end of the connecting rod (107) far from the lead screw (103) is fixedly connected with a scraper (106). Inside the chopping device (1), a feeding device (2) is arranged. The feeding device (2) includes a fixing plate (201). One side of the fixing plate (201) is fixedly connected with the circumferential surface of the base (101). At the top of the fixing plate (201), a U-shaped frame (202) is fixedly connected. At the top of the fixing plate (201), an electric telescopic rod (203) is fixedly connected. One end of the electric telescopic rod (203) far from the fixing plate (201) is provided with a material box (204). One side of the material box (204) is fixedly connected with a rotating rod (205). One end of the rotating rod (205) far from the material box (204) penetrates through and is fixedly connected with a helical gear (206). Inside the U-shaped frame (202), a tooth block (207) is fixedly connected.

2. The straw shredder with a waste recycling structure according to claim 1, characterized in that, The scraper (106) is located inside the device barrel (105). One side of the scraper (106) far from the connecting rod (107) is in contact with the device barrel (105). One end of the lead screw (103) far from the motor (102) penetrates through the bottom of the device barrel (105) and is rotatably connected with the device barrel (105). The spiral blade mechanism (104) is located inside the device barrel (105).

3. The straw shredder with a waste recycling structure according to claim 2, characterized in that, The number of the U-shaped frames (202) is two, and they are symmetric with respect to the vertical central axis of the fixing plate (201). The telescopic range of the electric telescopic rod (203) is the same as the height of the U-shaped frame (202). One end of the electric telescopic rod (203) far from the fixing plate (201) is in contact with the bottom of the material box (204).

4. A straw shredder with a waste recycling structure according to claim 3, characterized in that, The feeding device (2) includes a long rod (208). The circumferential surface of the long rod (208) is rotatably connected to the circumferential surface of the device barrel (105). A torsion spring (209) is fixedly sleeved on the outer surface of the long rod (208). One end of the torsion spring (209) is fixedly connected to the circumferential surface of the device barrel (105), and the other end of the torsion spring (209) is fixedly connected to the circumferential surface of the long rod (208). A baffle (210) is fixedly connected to the circumferential surface of the long rod (208). A through groove (211) is formed in the circumferential surface of the device barrel (105). A chute (212) is formed in one side of the U-shaped frame (202). A connecting plate (213) is slidably connected to the inner wall of the chute (212). One end of the connecting plate (213) is rotatably connected to the circumferential surface of the rotating rod (205). The other end of the connecting plate (213) is fixedly connected to an inclined plate (214). A slider (215) is slidably connected to one side of the U-shaped frame (202) close to the chute (212). One end of the slider (215) far from the U-shaped frame (202) is fixedly connected to a force-bearing plate (216). A spring (217) is fixedly connected to one side of the slider (215). One end of the spring (217) far from the slider (215) is fixedly connected to a positioning plate (218). One side of the positioning plate (218) close to the spring (217) is fixedly connected to one side of the U-shaped frame (202) close to the opening. A pull rope (219) is fixedly connected to one end of the U-shaped frame (202) far from the positioning plate (218). One end of the pull rope (219) far from the U-shaped frame (202) is fixedly connected to the circumferential surface of the baffle (210).

5. A straw shredder with a waste recycling structure according to claim 4, characterized in that, The through groove (211) is located on the displacement track of the baffle (210). One end of the force-bearing plate (216) is in contact with the inclined surface of the inclined plate (214). One end of the force-bearing plate (216) far from the inclined plate (214) is in contact with the pull rope (219).

6. The straw shredder with a waste recycling structure according to claim 5, characterized in that, One end of the connecting plate (213) is located inside the U-shaped frame (202). The inclined plate (214) is located between the U-shaped frame (202) and the device barrel (105). The slider (215) is located below the connecting plate (213).

7. The straw shredder with a waste recycling structure according to claim 6, characterized in that, The number of the rotating rods (205) is two, and they are symmetrically arranged along the vertical central axis of the material box (204). The number of the helical gears (206) is two, and they are symmetrically arranged along the vertical central axis of the material box (204).

8. A straw shredder with a waste recycling structure according to claim 7, characterized in that, The number of the tooth blocks (207) is several, in pairs, and they are arranged in a linear array inside the U-shaped frame (202). The tooth blocks (207) are located on the displacement track of the helical gears (206). The bottom of the material box (204) is arc-shaped.

9. The straw shredder with a waste recycling structure according to claim 8, characterized in that, One side of the material box (204) is in contact with the round table surface of the device barrel (105). The opening of the material box (204) is located above the opening of the device barrel (105). The material box (204) is located between two U-shaped frames (202).

10. A straw shredder with a waste recycling structure according to claim 9, characterized in that, One end of the rotating rod (205) close to the helical gear (206) is located inside the U-shaped frame (202), the helical gear (206) is located inside the U-shaped frame (202), and the electric telescopic rod (203) is located between the two U-shaped frames (202).

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