Agricultural and forestry waste crushing and grinding device
The agricultural and forestry waste crushing device addresses safety hazards in manual delivery by using a motor-driven transfer system and grinding rollers for automated and safe crushing.
Patent Information
- Application Number
- CN202421639331.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-11
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-07-11
AI Technical Summary
Existing crushing devices for agricultural and forestry waste require manual delivery, which poses safety hazards due to improper operation and can cause accidental injuries.
Agricultural and forestry waste crushing and grinding device with a transfer plate, transmission belt, and motor-driven components for contactless delivery, incorporating a cutting mechanism and grinding rollers for pretreatment and grinding.
Enables safe, automated delivery and efficient crushing of agricultural and forestry waste, reducing the risk of injuries and enhancing operational safety.
Smart Images

Figure CN222235703U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of crushing and grinding agricultural and forestry wastes, in particular to a crushing and grinding device for agricultural and forestry wastes. Background Art
[0002] Agricultural and forestry waste includes tree branches and twigs, as well as fallen leaves, weeds and crop straw. Due to the different hardness of tree branches, fallen leaves, weeds and crop straw, different crushers are usually required to crush the two. For example, wood crushers are usually used for materials with relatively high hardness, while straw crushers are usually used for softer materials such as crop straw, fallen leaves and weeds. This requires that the hard and soft materials such as tree branches and weeds, straw fallen leaves, etc. be classified in advance before crushing. Otherwise, the wood crusher will directly eject soft materials such as fallen leaves and weeds without being crushed.
[0003] Existing crushing devices mostly use manual delivery when delivering trees, weeds and straw. Since most of the devices inside the crusher need to rotate at high speed, accidental injuries may occur due to improper operation of employees, which can easily cause safety hazards. Utility Model Content
[0004] In view of the shortcomings of the prior art, the utility model provides an agricultural and forestry waste crushing and grinding device to solve the problem mentioned in the above background technology that the existing crushing devices mostly use manual delivery when delivering trees and straw, which may cause accidental injuries due to improper operation of employees and easily cause safety hazards.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an agricultural and forestry waste crushing and grinding device comprises a transfer plate, a transmission belt is arranged inside the transfer plate, two driving shafts are rotatably connected inside the transmission belt, a motor seat plate is fixedly installed on the outer wall of the transfer plate, a first motor is fixedly installed on the outer wall of the motor seat plate, a plurality of pressure plates are fixedly installed on the outer wall of the transmission belt, an inclined plate is fixedly installed inside the transfer plate, a push rod is slidably connected inside the transfer plate, a push plate is slidably connected inside the transfer plate, a crushing box is fixedly installed on the outer wall of the transfer plate, two L-shaped plates are fixedly installed on the top of the crushing box, hydraulic rods are fixedly installed on the outer walls of the two L-shaped plates, a cross plate is fixedly installed on the output ends of the two hydraulic rods, a slide rod is fixedly installed on the bottom of the cross plate, and a cutting knife is fixedly installed on the bottom end of the slide rod.
[0006] Preferably, two guide plates are fixedly installed inside the crushing box, two grinding rollers are rotatably connected inside the crushing box, driving wheels are fixedly installed at the axes of the two grinding rollers, a material guide plate is fixedly installed inside the crushing box, grinding grooves are provided on the outer walls of the two grinding rollers, a fixing frame is fixedly installed on the outer wall of the crushing box, and a second motor is fixedly installed on the outer wall of the fixing frame.
[0007] Preferably, the output end of the first motor is fixedly connected to the axis center of the driving shaft, and the outer wall of the push plate is fixedly welded to the outer wall of the push rod.
[0008] Preferably, a sliding hole is opened inside the crushing box, and the sliding hole is arranged on the right side of the transfer plate.
[0009] Preferably, the cutting knife is arranged above the sliding hole, and a shielding cover is fixedly mounted on the top of the transfer plate.
[0010] Preferably, the output end of the second motor is fixedly connected to the axis of the right driving wheel, and the two guide plates are arranged directly above the two grinding rollers.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1. The agricultural and forestry waste crushing and grinding device, when the agricultural and forestry waste needs to be transferred, puts the agricultural and forestry waste on the transfer plate, pushes the push rod to drive the push plate to move, drives the agricultural and forestry waste to move, and enters under the transmission belt, starts the first motor to drive the transmission belt to rotate, drives the pressure plate to move, and drives the agricultural and forestry waste into the crushing box, so as to realize contactless delivery of agricultural and forestry waste, and solves the problem that the existing crushing device mostly uses manual delivery when delivering trees and straws, which may cause accidental injuries due to improper operation of employees, and easily cause safety hazards.
[0013] 2. The agricultural and forestry waste crushing and grinding device opens the hydraulic rod before the agricultural and forestry waste enters the crushing box. The hydraulic rod moves back and forth, driving the slide bar to move up and down. The slide bar will drive the cutting knife to move up and down to cut the agricultural and forestry waste and achieve the effect of pretreatment.
[0014] 3. The agricultural and forestry waste crushing and grinding device, after the agricultural and forestry waste enters the crushing box, turns on the two second motors, the second motors will drive the driving wheel and the grinding roller to rotate, and the grinding rollers rotate in opposite directions at high speed, which can achieve the effect of grinding and crushing the agricultural and forestry waste. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;
[0016] Figure 2It is a side cross-sectional schematic diagram of the transfer plate of the utility model;
[0017] Figure 3 This is a side cross-sectional schematic diagram of the crushing box of the utility model;
[0018] Figure 4 It is a rear view schematic diagram of the structure of the utility model;
[0019] Figure 5 The utility model structure Figure 4 Enlarged schematic diagram at point A in the middle.
[0020] In the figure: 1. transfer plate; 2. transmission belt; 3. drive shaft; 4. first motor; 5. pressure plate; 6. tilting plate; 7. push rod; 8. push plate; 9. L-shaped plate; 10. hydraulic rod; 11. cross plate; 12. cutting knife; 13. guide plate; 14. grinding roller; 15. guide plate; 16. driving wheel; 17. grinding groove; 18. second motor; 19. fixed frame; 20. crushing box. DETAILED DESCRIPTION
[0021] 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.
[0022] Example
[0023] As shown in Fig. 1-5, the agricultural and forestry waste crushing and grinding device comprises a transmission plate 1, a transmission belt 2 is arranged inside the transmission plate 1, two driving shafts 3 are rotatably connected inside the transmission belt 2, a motor base plate is fixedly installed on the outer wall of the transmission plate 1, a first motor 4 is fixedly installed on the outer wall of the motor base plate, a plurality of pressing plates 5 are fixedly installed on the outer wall of the transmission belt 2, an inclined plate 6 is fixedly installed inside the transmission plate 1, a push rod 7 is slidably connected inside the transmission plate 1, a push plate 8 is slidably connected inside the transmission plate 1, a crushing box 20 is fixedly installed on the outer wall of the transmission plate 1, two L-shaped plates 9 are fixedly installed on the top of the crushing box 20, hydraulic rods 10 are fixedly installed on the outer walls of the two L-shaped plates 9, a horizontal plate 11 is fixedly installed on the output ends of the two hydraulic rods 10, a sliding rod is fixedly installed on the bottom of the horizontal plate 11, and a cutting knife 12 is fixedly installed on the bottom end of the sliding rod;
[0024] Specifically, when it is necessary to transfer agricultural and forestry wastes such as fallen leaves and weeds, the agricultural and forestry wastes are placed on the transfer plate 1, and then the push rod 7 is pushed, the push rod 7 will drive the push plate 8 to move, and the push plate 8 will drive the agricultural and forestry wastes to move and enter under the transmission belt 2, and the first motor 4 is turned on, the first motor 4 will drive the transmission belt 2 to rotate, and the transmission belt 2 will drive the pressing plate 5 to move, and drive the agricultural and forestry wastes into the crushing box 20, so as to realize contactless delivery of agricultural and forestry wastes, and solve the problem that the existing crushing device mostly uses manual delivery when delivering trees and straws, which may cause accidental injuries due to improper operation of employees, and easily cause safety hazards;
[0025] Before the agricultural and forestry waste enters the crushing box 20, the hydraulic rod 10 is turned on, and the hydraulic rod 10 moves back and forth, driving the slide bar to move up and down, and the slide bar will drive the cutting knife 12 to move up and down to cut the agricultural and forestry waste, thereby achieving the effect of pre-treatment;
[0026] In the embodiment: two guide plates 13 are fixedly installed inside the crushing box 20, two grinding rollers 14 are rotatably connected inside the crushing box 20, driving wheels 16 are fixedly installed at the axis of the two grinding rollers 14, a guide plate 15 is fixedly installed inside the crushing box 20, grinding grooves 17 are opened on the outer walls of the two grinding rollers 14, a fixing frame 19 is fixedly installed on the outer wall of the crushing box 20, and a second motor 18 is fixedly installed on the outer wall of the fixing frame 19;
[0027] Specifically, after the agricultural and forestry waste enters the crushing box 20, the two second motors 18 are turned on, and the second motors 18 will drive the driving wheel 16 and the grinding roller 14 to rotate, and the grinding roller 14 rotates in opposite directions at high speed, so as to achieve the effect of grinding and crushing the agricultural and forestry waste;
[0028] In the embodiment: the output end of the first motor 4 is fixedly connected to the axis of the driving shaft 3, and the outer wall of the push plate 8 is fixedly welded to the outer wall of the push rod 7;
[0029] Specifically, the first motor 4 drives the driving shaft 3 to rotate, which can achieve the effect of driving the transmission belt 2 to rotate counterclockwise, and the transmission belt 2 will drive the multiple pressing plates 5 to rotate, which can achieve the effect of driving the agricultural and forestry waste to move rightward, and the push rod 7 pushes the push plate 8 to move, and the push plate 8 drives the agricultural and forestry waste to enter the crushing box 20;
[0030] In the embodiment: a sliding hole is opened inside the crushing box 20, and the sliding hole is arranged on the right side of the transfer plate 1;
[0031] Specifically, the sliding hole provided inside the crushing box 20 is used to facilitate the feeding of materials. The sliding hole is provided on the right side of the transfer plate 1, so that the agricultural and forestry waste can be conveniently fed into the transfer plate 1;
[0032] In the embodiment: the cutting knife 12 is arranged above the sliding hole, and a shielding cover is fixedly installed on the top of the transfer plate 1;
[0033] Specifically, the cutting knife 12 is arranged above the sliding hole, which can achieve a quick cutting effect, and the shielding cover arranged on the outer wall of the transfer plate 1 can reduce dust leakage;
[0034] In the embodiment: the output end of the second motor 18 is fixedly connected to the axis of the right driving wheel 16, and the two guide plates 13 are arranged just above the two grinding rollers 14;
[0035] Specifically, the second motor 18 is connected to the driving wheel 16 to achieve the effect of driving the driving wheel 16. The second motor 18 needs to input different currents to achieve the effect of driving the driving wheels 16 on both sides to rotate in opposite directions, and can achieve the effect of driving the grinding roller 14 to rotate in opposite directions, so as to achieve the grinding of forest grass;
[0036] In the embodiment: the hydraulic rod 10, the first motor 4 and the second motor 18 are existing structures, and the control circuit can be implemented by simple programming by technicians in this field. It belongs to the common knowledge in this field and is only used without modification. Therefore, the control method and circuit connection are not described in detail.
[0037] Working principle: When it is necessary to transfer agricultural and forestry waste such as fallen leaves and weeds, put the agricultural and forestry waste on the transfer plate 1, push the push rod 7 to drive the push plate 8 to move, push the agricultural and forestry waste to move, and enter under the transmission belt 2, turn on the first motor 4 to drive the transmission belt 2 to rotate, drive the pressure plate 5 to move, and drive the agricultural and forestry waste into the crushing box 20. Compared with the relevant technology, the agricultural and forestry waste crushing and grinding device provided by the utility model has the following beneficial effects: it can realize contactless delivery of agricultural and forestry waste, and solves the problem that the existing crushing device mostly uses manual delivery when delivering trees and straw, which may cause accidental injuries due to improper operation of employees, and easily cause safety hazards.
[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A device for crushing and grinding agricultural and forestry waste, comprising a transfer plate (1), characterized in that: A transmission belt (2) is arranged inside the transmission plate (1), and two driving shafts (3) are rotatably connected inside the transmission belt (2). A motor base plate is fixedly mounted on the outer wall of the transmission plate (1), and a first motor (4) is fixedly mounted on the outer wall of the motor base plate. A plurality of pressing plates (5) are fixedly mounted on the outer wall of the transmission belt (2). An inclined plate (6) is fixedly mounted inside the transmission plate (1), and a push rod (7) is slidably connected inside the transmission plate (1). A push plate (8) is slidably connected inside the transmission plate (1). A crushing box (20) is fixedly mounted on the outer wall of the transmission plate (1), and two L-shaped plates (9) are fixedly mounted on the top of the crushing box (20). Hydraulic rods (10) are fixedly mounted on the outer walls of the two L-shaped plates (9). A horizontal plate (11) is fixedly mounted on the output ends of the two hydraulic rods (10), and a sliding rod is fixedly mounted on the bottom of the horizontal plate (11). A cutting knife (12) is fixedly mounted on the bottom end of the sliding rod.
2. The agricultural and forestry waste crushing and grinding device according to claim 1, characterized in that: Two guide plates (13) are fixedly installed inside the pulverizing box (20), two grinding rollers (14) are rotatably connected inside the pulverizing box (20), a driving wheel (16) is fixedly installed at the axis of the two grinding rollers (14), a material guide plate (15) is fixedly installed inside the pulverizing box (20), grinding grooves (17) are formed on the outer walls of the two grinding rollers (14), a fixing frame (19) is fixedly installed on the outer wall of the pulverizing box (20), and a second motor (18) is fixedly installed on the outer wall of the fixing frame (19).
3. The agricultural and forestry waste crushing and grinding device according to claim 1, characterized in that: The output end of the first motor (4) is fixedly connected to the axis of the drive shaft (3), and the outer wall of the push plate (8) is fixedly welded to the outer wall of the push rod (7).
4. The agricultural and forestry waste crushing and grinding device according to claim 1, characterized in that: A sliding hole is provided inside the crushing box (20), and the sliding hole is arranged on the right side of the transfer plate (1).
5. The agricultural and forestry waste crushing and grinding device according to claim 1, characterized in that: The cutting knife (12) is arranged above the sliding hole, and a shielding cover is fixedly mounted on the top end of the transfer plate (1).
6. The agricultural and forestry waste crushing and grinding device according to claim 2, characterized in that: The output end of the second motor (18) is fixedly connected to the axis of the right driving wheel (16), and the two guide plates (13) are arranged directly above the two grinding rollers (14).