Novel waste concrete fine treatment device for highway construction
By designing a protective curtain, an electric motor-driven conveyor belt, and rotating auger blades, the problems of pulverized material splashing, dust pollution, and uneven particle size in existing devices have been solved, achieving safe and efficient concrete pulverization and recycling.
Patent Information
- Application Number
- CN202423065536.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-12
AI Technical Summary
Existing concrete waste crushing and recycling equipment suffers from problems such as splattering of crushed materials causing injury, dust pollution, and uneven particle size distribution, making it difficult to meet the requirements for sand and gravel aggregates.
A waste concrete fine treatment device was designed, which includes a protective mechanism, a conveying mechanism, a crushing mechanism and a return mechanism. The device prevents splashing and dust by using a protective curtain, and uses a motor-driven conveyor belt and crushing rollers for continuous conveying and crushing. The device also achieves particle homogenization by using rotating auger blades.
It effectively prevents the pulverized material from splashing and causing dust pollution, improves pulverization efficiency and particle uniformity, and ensures that the crushed stone has uniform particle size and good shape.
Smart Images
Figure CN223628691U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of highway construction, especially to a novel highway construction waste concrete fine processing device. BACKGROUND
[0002] In the process of highway construction, a large amount of waste concrete will be produced. With the continuous expansion of highway construction scale, the amount of waste concrete is rising, and if not properly handled, it will cause many serious problems. On the one hand, random stacking will occupy a large amount of land resources, resulting in the wasteful use of land resources, and the land around many construction sites cannot be effectively utilized due to the accumulation of a large amount of waste concrete. On the other hand, some substances in waste concrete may seep out, polluting the soil and nearby water bodies, damaging the surrounding ecological environment, and affecting the survival and reproduction of plants and animals. In addition, waste concrete actually contains a large amount of reusable resources, such as sand and gravel aggregates. Traditional treatment methods are often simple and extensive, and cannot fully recover these resources, resulting in a great waste of resources. Therefore, it is urgent to develop a highway construction waste concrete fine processing device, which can effectively solve the environmental and resource problems caused by waste concrete and promote the development of the highway construction industry towards green and sustainable direction.
[0003] As patent publication (announcement) No. CN218078125U discloses a kind of concrete waste crushing and recycling device, including crushing box, two mutually meshing crushing rollers are installed in the inside of crushing box, working tank is installed in the both sides of crushing box and communicated with crushing box, air cylinder is installed in the inner wall of the side of two working tanks away from crushing box, cleaning mechanism is installed at the output end of two air cylinders to clean two crushing rollers, cleaning mechanism includes cleaning plate and fixed plate installed at the output end of air cylinder, two connecting plates are installed on the side of cleaning plate close to fixed plate, when the outside of crushing roller adheres raw material during use, the raw material adhered on crushing roller can be cleaned by multiple cleaning brushes, not only guarantee the crushing effect of crushing roller, but also reduce the trouble of cleaning crushing roller.
[0004] In the use of the above technology, it is found that the existing technology has the following technical problems: a kind of concrete waste crushing and recycling device, the crushing material is easy to splash outside when crushing, which can cause injury to workers, and a large amount of dust will also pollute the surrounding environment, and the particles after crushing are difficult to achieve uniform particles, which is not easy to meet the requirements of sand and gravel aggregate, so there is room for improvement. Therefore, we design a new type of highway construction waste concrete fine processing device to provide another technical solution to the above technical problems. UTILITY MODEL CONTENTS
[0005] Based on this, it is necessary to solve the above technical problems, provide a new highway construction waste concrete fine processing device for solving the technical problems of protection and ensuring uniform crushing particles when crushing.
[0006] In order to solve the above technical problems, the utility model adopts the following technical scheme:
[0007] A new type of highway construction waste concrete fine processing device, including the pulverizer, conveying frame and cylindrical barrel, one end of the pulverizer is fixed with conveying frame, the other end of the pulverizer is equipped with cylindrical barrel, the top of the pulverizer is equipped with protection mechanism, the inside of the conveying frame is equipped with conveying mechanism, the inside of the pulverizer is equipped with crushing mechanism, the inside of the cylindrical barrel is equipped with back material mechanism.
[0008] The protection mechanism includes hinge, movable cover, shaft, protective curtain, handle, connecting plate and butterfly screw, the top of the pulverizer is fixed with two hinges, one end of two hinges is fixed with a movable cover, the inside of the movable cover is fixed with shaft, the outside of the shaft is uniformly distributed and is rotatably connected with a plurality of protective curtains, one end of the top of the movable cover is fixed with handle, both sides of the movable cover are fixed with connecting plate, the inside of one end of the connecting plate is threadedly connected with butterfly screw, two butterfly screws are threadedly connected with the pulverizer.
[0009] Preferably, the conveying mechanism includes first motor, driving shaft, driven shaft, conveyor belt and chute, one end corner of the conveying frame is fixed with first motor, the power output end of the first motor is fixed with driving shaft, the driving shaft is rotatably connected with the conveying frame, one end of the inside of the conveying frame is rotatably connected with driven shaft, the driving shaft and the driven shaft are driven by the conveyor belt, the other end of the outside of the conveying frame is fixed with chute.
[0010] Preferably, the crushing mechanism includes second motor, crushing roller, fixed frame, screen and discharge bin, one end of the pulverizer is fixed with two second motors, the power output end of the second motor is fixed with crushing roller, both the crushing rollers are rotatably connected with the pulverizer, the inside bottom of the pulverizer is fixed with fixed frame, the inside of the fixed frame is fixed with screen, the bottom of the pulverizer is fixed with discharge bin.
[0011] Preferably, the back material mechanism includes mounting disc, third motor, rotating auger blade, sliding material box and back material pipe, the top of the cylindrical barrel is fixed with mounting disc, the top of the mounting disc is fixed with third motor, the power output end of the third motor is fixed with rotating auger blade, one side bottom of the cylindrical barrel is fixed with sliding material box, one side top of the cylindrical barrel is fixed with back material pipe, the sliding material box and the back material pipe are fixed with the pulverizer.
[0012] Preferably, the outer surface of the conveying belt is uniformly provided with a plurality of anti-skid protrusions.
[0013] Preferably, the inside of the pulverizing box is fixed with guide plates on both sides.
[0014] Preferably, the bottom of the pulverizing box is fixed with a support platform, the bottom of the cylindrical cylinder is fixed with the support platform, and the bottom of the chute is also fixed with the support platform.
[0015] It can be undoubtedly seen that the above technical solutions of the present application can certainly solve the technical problems to be solved by the present application.
[0016] Meanwhile, through the above technical solutions, the present application at least has the following beneficial effects:
[0017] 1. The protective mechanism is designed, the shaft rod and the protective curtain arranged in the movable cover can effectively prevent the pulverized materials from splashing outside and blocking the dust generated during the pulverization, the movable cover is rotated around the two hinges, and the maintenance of the internal parts of the pulverizing box is facilitated.
[0018] 2. The conveying mechanism is designed, the device is rotated by starting the first motor, the continuous conveying of the pulverized materials is realized by the rotation of the driving shaft, the driven shaft and the conveying belt, the labor of the operator for manual feeding is saved, and the pulverization efficiency is improved.
[0019] 3. The pulverizing mechanism is designed, the device is rotated by starting the second motor to drive the two pulverizing rollers to pulverize the pulverized materials, the two second motors are arranged to provide stronger pulverizing power for the pulverization, and the pulverization effect is better.
[0020] 4. The material returning mechanism is designed, the device is rotated by starting the third motor to drive the rotating auger blades to re-pulverize the larger particles after the pulverization, ensures that the particle size of the crushed stone is uniform, and the particle shape is good. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to more clearly illustrate the technical scheme of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.
[0022] Figure 1 It is a schematic diagram of the overall structure of the present application;
[0023] Figure 2 It is a schematic diagram of the cross-sectional structure of the conveying frame and the conveying belt of the present application;
[0024] Figure 3 Figure 1 is a schematic view of the connection structure of the pulverizing box and the movable cover of the present application;
[0025] Figure 4 Figure 2 is a schematic view of the partial enlarged structure of the present application; Figure Three
[0026] Figure 5 Figure 3 is a schematic view of the cross-sectional structure of the pulverizing box of the present application;
[0027] Figure 6 Figure 4 is a schematic view of the cross-sectional structure of the cylindrical barrel of the present application.
[0028] In the figure: 1, pulverizing box; 2, conveying frame; 3, cylindrical barrel; 4, first motor; 5, driving shaft; 6, driven shaft; 7, conveying belt; 8, chute; 9, anti-skid protrusion; 10, hinge; 11, movable cover; 12, shaft rod; 13, protective curtain; 14, handle; 15, connecting plate; 16, butterfly screw; 17, second motor; 18, pulverizing roller; 19, guide plate; 20, fixed frame; 21, screen mesh; 22, discharge bin; 23, mounting disc; 24, third motor; 25, rotating auger blade; 26, material sliding box; 27, material returning pipe; 28, supporting table. DETAILED DESCRIPTION
[0029] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.
[0030] In order to make the person skilled in the art better understand the present application scheme, the technical scheme in the embodiment of the present application will be described clearly and completely below with reference to the drawings.
[0031] It should be noted that the embodiments in the present application and the features and technical schemes in the embodiments can be combined with each other without conflict.
[0032] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.
[0033] Embodiment one
[0034] Reference Figure 1 - Figure 5 The utility model provides a new type of highway construction with abandoned concrete fine processing device, including pulverization box 1, conveying frame 2 and cylinder 3, one end of pulverization box 1 is fixed with conveying frame 2, and the other end of pulverization box 1 is equipped with cylinder 3, and the top one end of pulverization box 1 is equipped with protection mechanism, the inside of conveying frame 2 is equipped with conveying mechanism, the inside of pulverization box 1 is equipped with pulverization mechanism, and the inside of cylinder 3 is equipped with back material mechanism,
[0035] Protection mechanism includes hinge 10, movable cover 11, shaft 12, protective curtain 13, handle 14, connecting plate 15 and butterfly screw 16, the top of pulverization box 1 is fixed with two hinge 10, one movable cover 11 is fixed in one end of two hinge 10, the inboard of movable cover 11 is fixed with shaft 12, a plurality of protective curtain 13 are uniformly distributed and are connected in rotation on the outside of shaft 12, the top one end of movable cover 11 is fixed with handle 14, and the both sides of movable cover 11 are fixed with connecting plate 15, and butterfly screw 16 is screw-connected in the inside one end of connecting plate 15, and two butterfly screws 16 are screw-connected with pulverization box 1, when the abandoned cement block is pulverized and protected, the abandoned cement block is conveyed into the inside of pulverization box 1 through conveying belt 7, then is pulverized, the shaft 12 and the protective curtain 13 are arranged, when the abandoned cement block is conveyed into the inside of pulverization box 1, and when pulverization occurs splashing, the protective curtain 13 can block the splashing cement block, and the protective curtain 13 can also block the large amount of dust generated when pulverizing, so that the on-site workers and the quality of surrounding working environment can be well protected, when the inside of pulverization box 1 fails, anticlockwise rotation butterfly screw 16 makes the thread of butterfly screw 16 exit from the inside of pulverization box 1, at this time, handle handle 14, and movable cover 11 is rotated around two hinge 10 by handle 14, so that movable cover 11 and pulverization box 1 can be opened, and the check and repair work are facilitated, and it is simple and practical and convenient to use,
[0036] The conveying mechanism comprises a first motor 4, a driving shaft 5, a driven shaft 6, a conveying belt 7 and a chute 8, one end corner of the conveying frame 2 is fixed with the first motor 4, the power output end of the first motor 4 is fixed with the driving shaft 5, the driving shaft 5 is rotatably connected with the conveying frame 2, the inner end of one end of the conveying frame 2 is rotatably connected with the driven shaft 6, the driving shaft 5 and the driven shaft 6 are driven through the conveying belt 7, and the other end of the conveying frame 2 is externally fixed with the chute 8; a plurality of anti-skid protrusions 9 are uniformly distributed and fixed on the outer surface of the conveying belt 7; when the waste cement block is conveyed into the inside of the crushing box 1, the first motor 4 is started, the power output end of the first motor 4 drives the driving shaft 5 to rotate, the driving shaft 5 and the driven shaft 6 are driven through the conveying belt 7, at this time, the waste cement block is poured into the inside of the chute 8, because the inside of the chute 8 is an inclined surface, the waste cement block will slide along the inclined surface to the surface of the conveying belt 7, move with the conveying belt 7, and then enter the inside of the crushing box 1 for crushing, through the arrangement of the anti-skid protrusions 9, the friction between the waste cement block and the conveying belt 7 is increased, so that the waste cement block is prevented from rolling along the conveying belt 7 under the action of gravity when being conveyed upward;
[0037] The crushing mechanism comprises a second motor 17, a crushing roller 18, a fixed frame 20, a screen 21 and a discharge bin 22, one end of the crushing box 1 is fixed with two second motors 17, the power output end of the second motor 17 is fixed with the crushing roller 18, the two crushing rollers 18 are rotatably connected with the crushing box 1, the inner bottom of the crushing box 1 is fixed with the fixed frame 20, the inside of the fixed frame 20 is fixed with the screen 21, and the bottom of the crushing box 1 is fixed with the discharge bin 22; when the waste cement block is crushed, the two second motors 17 are started, the power output end of the second motor 17 drives the two crushing rollers 18 to rotate, the rotating directions of the two crushing rollers 18 are opposite, and the two crushing rollers 18 rotate towards each other, so that the two crushing rollers 18 realize the crushing of the waste cement block, then the crushed waste cement block particles fall on the surface of the screen 21, the particles meeting the requirements fall from the gaps in the inside of the screen 21, and then are discharged through the discharge bin 22, and the crushed particles not meeting the requirements roll on the surface of the screen 21, fall into the inside of the cylindrical barrel 3 and then enter the inside of the crushing box 1 for secondary crushing;
[0038] The inside of the crushing box 1 is fixed with guide plates 19 on both sides; through the arrangement of the guide plates 19, the waste cement block conveyed can slide on the surfaces of the two guide plates 19 and fall between the two crushing rollers 18, so that the waste cement block is continuously and stably crushed when being conveyed and crushed;
[0039] The bottom of the crushing box 1 is fixed with a support table 28, the bottom of the cylindrical barrel 3 is fixed with the support table 28, and the bottom of the chute 8 is also fixed with the support table 28; through the arrangement of the support table 28, the weight of the device can be supported, and the stability and safety of the device during operation are ensured;
[0040] Example two
[0041] Referring to Figure 6 A new type of highway construction waste concrete fine processing device, the return mechanism includes the mounting disc 23, the third motor 24, the rotating auger blade 25, the sliding material box 26 and the return pipe 27, the top of the cylindrical barrel 3 is fixedly connected with the mounting disc 23, the top of the mounting disc 23 is fixedly connected with the third motor 24, the power output end of the third motor 24 is fixedly connected with the rotating auger blade 25, the bottom of one side of the cylindrical barrel 3 is fixedly connected with the sliding material box 26, the top of one side of the cylindrical barrel 3 is fixedly connected with the return pipe 27, and the sliding material box 26 and the return pipe 27 are fixedly connected with the crushing box 1; when the larger cement particles are to be returned for secondary crushing, the third motor 24 is started, the power output end of the third motor 24 drives the rotating auger blade 25 to rotate, and the larger particles cannot leak through the gap of the screen 21 during crushing, and due to the inclined arrangement of the fixed frame 20 and the screen 21, the larger particles can slide along the surface of the screen 21 into the sliding material box 26, and then the rotating auger blade 25 is rotated to lift the larger cement particles, and then the larger cement particles are conveyed into the crushing box 1 through the return pipe 27, and the two crushing rollers 18 are used for secondary crushing, so that the particle size of the larger cement particles meets the specified size, and the particle size and particle shape of the crushed stone are uniform.
[0042] The use process of the new type of highway construction waste concrete fine processing device is as follows:
[0043] When the waste cement block is to be conveyed into the crushing box 1, the first motor 4 is fixed at one end corner of the conveying frame 2, the power output end of the first motor 4 is fixedly connected with the driving shaft 5, the driving shaft 5 and the conveying frame 2 are rotationally connected, the driving shaft 5 and the driven shaft 6 are rotationally connected at one end of the conveying frame 2, the driving shaft 5 and the driven shaft 6 are driven through the conveyor belt 7, and the other end of the conveying frame 2 is externally fixedly connected with the chute 8; then the first motor 4 is started, the power output end of the first motor 4 drives the driving shaft 5 to rotate, the driving shaft 5 and the driven shaft 6 are driven through the conveyor belt 7, at this time, the waste cement block is poured into the chute 8, and due to the inclined surface in the chute 8, the waste cement block slides along the inclined surface to the surface of the conveyor belt 7 and moves along with the conveyor belt 7, and then enters the crushing box 1 for crushing, and the setting of the anti-skid convex 9 increases the friction between the waste cement block and the conveyor belt 7, so that the waste cement block is prevented from rolling along the conveyor belt 7 due to gravity during upward conveying;
[0044] When the waste cement block is to be crushed, two second motors 17 are fixed at one end of the crushing box 1, the power output end of the second motor 17 is fixed with a crushing roller 18, both crushing rollers 18 are rotatably connected with the crushing box 1, the inside bottom of the crushing box 1 is fixed with a fixed frame 20, the inside of the fixed frame 20 is fixed with a screen 21, and the bottom of the crushing box 1 is fixed with a discharge bin 22; then the two second motors 17 are started, the power output end of the second motor 17 drives the two crushing rollers 18 to rotate, the rotating directions of the two crushing rollers 18 are opposite, and the two crushing rollers 18 rotate towards each other, so that the two crushing rollers 18 realize crushing of the waste cement block, then the crushed waste cement block particles fall on the surface of the screen 21, the particles meeting the requirements fall from the inside gap of the screen 21, and then are discharged through the discharge bin 22, and the crushed particles not meeting the requirements roll on the surface of the screen 21 into the inside of the cylindrical barrel 3 and then into the inside of the crushing box 1 for secondary crushing;
[0045] When the waste cement block is to be crushed, two second motors 17 are fixed at one end of the crushing box 1, the power output end of the second motor 17 is fixed with a crushing roller 18, both crushing rollers 18 are rotatably connected with the crushing box 1, the inside bottom of the crushing box 1 is fixed with a fixed frame 20, the inside of the fixed frame 20 is fixed with a screen 21, and the bottom of the crushing box 1 is fixed with a discharge bin 22; then the two second motors 17 are started, the power output end of the second motor 17 drives the two crushing rollers 18 to rotate, the rotating directions of the two crushing rollers 18 are opposite, and the two crushing rollers 18 rotate towards each other, so that the two crushing rollers 18 realize crushing of the waste cement block, then the crushed waste cement block particles fall on the surface of the screen 21, the particles meeting the requirements fall from the inside gap of the screen 21, and then are discharged through the discharge bin 22, and the crushed particles not meeting the requirements roll on the surface of the screen 21 into the inside of the cylindrical barrel 3 and then into the inside of the crushing box 1 for secondary crushing;
[0046] When the larger cement particles are to be crushed again, the top of the cylindrical barrel 3 is fixed with a mounting disc 23, the top of the mounting disc 23 is fixed with a third motor 24, the power output end of the third motor 24 is fixed with a rotating auger blade 25, the bottom of one side of the cylindrical barrel 3 is fixed with a sliding material box 26, the top of one side of the cylindrical barrel 3 is fixed with a return material pipe 27, and the sliding material box 26 and the return material pipe 27 are fixed with the crushing box 1; then the third motor 24 is started, the power output end of the third motor 24 drives the rotating auger blade 25 to rotate, and the larger particles are not leaked from the gap of the screen 21 during crushing, and due to the inclined arrangement of the fixed frame 20 and the screen 21, the larger particles are slid along the surface of the screen 21 into the sliding material box 26, then the larger cement particles are lifted up by the rotation of the rotating auger blade 25, then the larger cement particles are conveyed into the top of the crushing box 1 through the return material pipe 27 again, and the two crushing rollers 18 crush the larger cement particles again, so that the particle size of the larger cement particles meets the specified size, and the crushed stone is uniform in particle size and good in particle shape.
[0047] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents.
Claims
1. A novel fine treatment device for waste concrete for road construction, characterized by, The utility model provides a kind of waste paper recycling machine, including pulverization box (1), conveying frame (2) and cylinder (3), one end of the pulverization box (1) is fixed with conveying frame (2), the other end of the pulverization box (1) is equipped with cylinder (3), the top one end of the pulverization box (1) is equipped with protection mechanism, the inside of conveying frame (2) is equipped with conveying mechanism, the inside of pulverization box (1) is equipped with pulverization mechanism, the inside of cylinder (3) is equipped with back material mechanism. The protection mechanism includes hinge (10), movable cover (11), shaft rod (12), protective curtain (13), handle (14), connecting plate (15) and butterfly screw (16), the top of the pulverization box (1) is fixed with two hinges (10), one end of two hinge (10) is fixed with one movable cover (11), the inside of movable cover (11) is fixed with shaft rod (12), the outside of shaft rod (12) is uniformly distributed and is rotatably connected with multiple protective curtains (13), the top one end of movable cover (11) is fixed with handle (14), the two sides of movable cover (11) are fixed with connecting plate (15), the inside one end of connecting plate (15) is threadedly connected with butterfly screw (16), two butterfly screws (16) are all threadedly connected with pulverization box (1).
2. A novel fine treatment device for waste concrete in highway construction according to claim 1, characterized in that, The conveying mechanism includes first motor (4), driving shaft (5), driven shaft (6), conveying belt (7) and chute (8), one end corner of the conveying frame (2) is fixed with first motor (4), the power output end of first motor (4) is fixed with driving shaft (5), the driving shaft (5) is rotatably connected with conveying frame (2), one end inside of conveying frame (2) is rotatably connected with driven shaft (6), the driving shaft (5) and driven shaft (6) are driven by conveying belt (7), the other end outside of conveying frame (2) is fixed with chute (8).
3. A novel fine treatment device for waste concrete in highway construction according to claim 1, characterized in that, The pulverization mechanism includes second motor (17), pulverization roller (18), fixed frame (20), screen (21) and discharge bin (22), one end of the pulverization box (1) is fixed with two second motors (17), the power output end of second motor (17) is fixed with pulverization roller (18), two pulverization roller (18) are rotatably connected with pulverization box (1), the inside bottom of pulverization box (1) is fixed with fixed frame (20), the inside of fixed frame (20) is fixed with screen (21), the bottom of pulverization box (1) is fixed with discharge bin (22).
4. A novel fine treatment device for waste concrete in highway construction according to claim 1, characterized in that, The back material mechanism comprises a mounting disc (23), a third motor (24), rotating auger blades (25), a sliding material box (26) and a back material pipe (27), the top of the cylindrical barrel (3) is fixed with the mounting disc (23), the top of the mounting disc (23) is fixed with the third motor (24), the power output end of the third motor (24) is fixed with the rotating auger blades (25), one side bottom of the cylindrical barrel (3) is fixed with the sliding material box (26), one side top of the cylindrical barrel (3) is fixed with the back material pipe (27), and the sliding material box (26) and the back material pipe (27) are fixed with the crushing box (1).
5. The novel fine treatment device for waste concrete in highway construction according to claim 2, characterized in that, The outer surface of the conveying belt (7) is uniformly provided with a plurality of anti-skid protrusions (9).
6. A novel fine treatment device for waste concrete in highway construction according to claim 3, characterized in that, The crushing box (1) is fixed with guide plates (19) on both sides of the inside.
7. A novel fine treatment device for waste concrete in highway construction according to claim 2, characterized in that, The bottom of the crushing box (1) is fixed with a supporting table (28), the bottom of the cylindrical barrel (3) and the supporting table (28) are fixed, and the bottom of the chute (8) is also fixed with the supporting table (28).