Stone crusher with dust falling mechanism
By installing a vacuum fan and filter plate in the discharge pipe of the stone crusher, and setting a movable cleaning scraper in the crusher box, the problem of excessive dust when the stone crusher crushes the stone, the dust reduction and inner wall are achieved Cleaning effect.
Patent Information
- Application Number
- CN202420605789.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-27
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-03-27
AI Technical Summary
Existing stone crushers will produce a lot of dust when crushing stones, affecting the construction environment and the health of staff.
A stone crusher with a dust reduction mechanism is designed. By installing a vacuum fan and a filter plate inside the discharge pipe, it absorbs and filters the dust generated during discharge, and installs a movable cleaning scraper inside the crushing box to clean it. The bottom of the broken box.
It effectively reduces the amount of dust discharged by the stone crusher, improves the construction environment and the health of staff, and at the same time realizes the inner wall cleaning structure of the stone crusher.
Smart Images
Figure CN222518688U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of stone crushers, in particular to a stone crusher with a dust reduction mechanism. Background Art
[0002] Civil engineering is the main research and design, construction, operation and maintenance of civil structures and infrastructure related engineering projects, civil engineering covers a variety of scales and types of engineering projects, including buildings, bridges, roads, tunnels, water conservancy projects, drainage systems, ports, airports, etc. In the process of civil engineering construction, it is necessary to use the corresponding crusher, which can be used to crush, pulverize or process large pieces of original rocks, ores and other hard materials, so as to facilitate the construction of civil engineering.
[0003] When the stone crushers currently on the market are in use, the stone crushers directly discharge the crushed stones through the discharge pipe. The existing stone crushers will generate a lot of dust when crushing and discharging stones. The large amount of dust discharged will directly affect the surrounding environment of the construction and the health of the workers. Therefore, we propose a stone crusher with a dust reduction mechanism. Utility Model Content
[0004] The purpose of the utility model is to provide a stone crusher with a dust reduction mechanism to solve the problems raised by the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stone crusher with a dust reduction mechanism, comprising a base, a crushing box, a crushing roller and a driving motor, a crushing box is arranged above the base, and a crushing roller is installed inside the crushing box through a bearing seat, a driving motor connected to the crushing roller is installed on the outside of the crushing box, a discharge pipe penetrating the base is arranged in the middle of the bottom end of the crushing box, and a feed hopper is arranged in the middle of the top end of the crushing box.
[0006] Preferably, through grooves are opened on both sides of the discharge pipe, and filter plates are arranged on the inner sides of the through grooves, a recovery box is installed on the inner side of the lower part of the base, and a dust suction fan is docked and installed on the inner side of the recovery box, one end of the dust suction fan is connected to a dust suction hood, and the dust suction hood is docked on the outer side of the discharge pipe near the through groove.
[0007] Preferably, a limiting assembly is provided between the discharge pipe and the filter plate, and the limiting assembly comprises a fixing seat, a mounting seat, a limiting seat, a docking block, a guide rod and a first spring, and the fixing seat is connected to the outer wall of the discharge pipe.
[0008] Preferably, the bottom of the filter plate is connected to a mounting seat sleeved on the bottom of the discharge pipe, a limit seat is sleeved on the outer side of the fixing seat, one end of the limit seat is inserted in the fixing seat, and the other end of the limit seat is connected to a docking block passing through the fixing seat.
[0009] Preferably, a guide rod penetrates the middle part of the upper end of the limiting seat, and a first spring is sleeved on the outer side of the guide rod, and two ends of the first spring are respectively connected to the limiting seat and the fixing seat.
[0010] Preferably, the crushing box is provided with connecting plates on both sides below the crushing roller, and a cleaning scraper is inserted below the connecting plates, and a second spring is sleeved above the cleaning scraper.
[0011] Preferably, a connecting rod passes through the tops of the two connecting plates, and the connecting rod is connected to the inner wall of the crushing box through a bearing seat.
[0012] Preferably, a motor is installed outside the crushing box, and the output end of the motor passes through the crushing box and is connected to the connecting rod, a guide shaft passes through the side of the connecting plate away from the connecting rod, and both ends of the guide shaft are connected to the inner wall of the crushing box.
[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the crusher with a dust reduction mechanism can absorb and process the dust generated during discharging by the cooperation of the dust suction fan and the filter plate installed inside the discharging pipe, thereby reducing the amount of dust discharged by the crusher, so that the crusher has a dust reduction structure; and a movable cleaning scraper is arranged inside the crushing box to scrape and clean the bottom of the crushing box, so that the crusher has an inner wall cleaning structure.
[0014] 1. The stone crusher with dust reduction mechanism first pulls the limit seat outward to the limit position, then docks the filter plate on the inner wall of the discharge pipe, and then loosens the pulled limit seat. The loosened limit seat can automatically reset inward by the elastic force of the first spring until the docking block penetrates the notch reserved on the fixed seat and the mounting seat for insertion, and the filter plate is installed with limited position. After the dust suction fan is started, the dust generated when the discharge pipe is discharged can be sucked from the through groove through the dust suction hood and recovered into the inside of the box. The dust generated when the discharge is carried out can be absorbed and processed by the mutual cooperation of the dust suction fan and the filter plate installed inside the discharge pipe, thereby reducing the dust amount discharged by the stone crusher, so that the stone crusher has a dust reduction structure.
[0015] 2. The crusher with dust reduction mechanism has two connecting plates in the initial state that are close to the inner wall of the crushing box. The connecting rod connected to the output end is driven to rotate by the starting motor. As the connecting rod rotates, the two outer connecting plates can move inward at the same time. As the connecting plates continue to move inward, the cleaning scraper can automatically reset downward to fit the bottom of the inner wall of the crushing box through the elastic force of the second spring, and scrape and clean the bottom of the crushing box. By arranging a movable cleaning scraper inside the crushing box to scrape and clean the bottom of the crushing box, the crusher has an inner wall cleaning structure. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the main cutaway structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the utility model in a top view and cutaway structure;
[0018] Figure 3 This is a schematic diagram of the main cutaway structure of the discharge pipe of the utility model;
[0019] Figure 4 This is a schematic diagram of the main cutaway structure of the crushing box of the utility model.
[0020] In the figure: 1. base; 2. crushing box; 3. crushing roller; 4. driving motor; 5. discharge pipe; 6. through slot; 7. filter plate; 8. recovery box; 9. dust suction fan; 10. dust suction hood; 11. limit assembly; 111. fixed seat; 112. mounting seat; 113. limit seat; 114. docking block; 115. guide rod; 116. first spring; 12. connecting plate; 13. cleaning scraper; 14. second spring; 15. connecting rod; 16. motor; 17. guide shaft; 18. feed hopper. 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] See also Figure 1 , Figure 2 and Figure 3 The utility model provides a technical solution: a stone crusher with a dust reduction mechanism, including a base 1, a crushing box 2, a crushing roller 3 and a driving motor 4, a crushing box 2 is arranged above the base 1, and the crushing roller 3 is installed inside the crushing box 2 through a bearing seat, a driving motor 4 connected to the crushing roller 3 is installed on the outside of the crushing box 2, a discharge pipe 5 penetrating the base 1 is arranged in the middle of the bottom end of the crushing box 2, and a feed hopper 18 is arranged in the middle of the top end of the crushing box 2.
[0023] Preferably, through grooves 6 are provided on both sides of the discharge pipe 5, and filter plates 7 are provided on the inner sides of the through grooves 6, a recovery box 8 is installed on the inner side of the lower part of the base 1, and a dust suction fan 9 is installed on the inner side of the recovery box 8, one end of the dust suction fan 9 is connected to a dust suction hood 10, and the dust suction hood 10 is docked on the outer side of the discharge pipe 5 near the through grooves 6; preferably, a limiting assembly 11 is provided between the discharge pipe 5 and the filter plate 7, and the limiting assembly 11 includes a fixing seat 111, a mounting seat 112, a limiting seat 113, a docking block 114, a guide rod 115 and a first spring 116, and the fixing seat 111 is connected to the outer wall of the discharge pipe 5; preferably, the bottom of the filter plate 7 is connected to a sleeve arranged on the bottom of the discharge pipe 5 The mounting seat 112 of the part, the outer side of the fixed seat 111 is provided with a limiting seat 113, one end of the limiting seat 113 is inserted in the fixed seat 111, and the other end of the limiting seat 113 is connected with a docking block 114 that passes through the fixed seat 111; preferably, a guide rod 115 passes through the middle of the upper end of the limiting seat 113, and the outer side of the guide rod 115 is provided with a first spring 116, and the two ends of the first spring 116 are respectively connected to the limiting seat 113 and the fixed seat 111, and the through groove 6 is symmetrically distributed about the center line of the discharge pipe 5. The limiting seat 113 forms a telescopic structure between the first spring 116 and the fixed seat 111, and the outer wall of the mounting seat 112 fits with the inner wall of the fixed seat 111.
[0024] During the specific implementation, the limiting seat 113 is first pulled outward to the limit position, and the pulled limiting seat 113 moves along the guide rod 115 inside the fixed seat 111 while squeezing the first spring 116 sleeved on the outside of the guide rod 115. At this time, the docking block 114 connected to the inner wall of the limiting seat 113 is synchronously moved to the outside of the fixed seat 111, and then the filter plate 7 is docked on the inner wall of the discharge pipe 5, and the mounting seat 112 connected to the bottom of the filter plate 7 is docked between the fixed seat 111 and the discharge pipe 5, and then the pulled limiting seat 113 is loosened. The loosened limiting seat 113 can automatically reset inward by the elastic force of the first spring 116 until the limiting seat 113 is in a state of being locked. The docking block 114 of the wall passes through the reserved slots on the fixing seat 111 and the mounting seat 112 for plugging, so as to limit the installation of the filter plate 7. Since the dust hood 10 connected to the dust suction fan 9 is docked on the outer side of the through slot 6, after the dust suction fan 9 is started, the dust generated when the discharge pipe 5 is discharged can be sucked into the inside of the through slot 6 through the dust hood 10 and recovered into the inside of the box 8, and the larger particles of dust can be filtered through the filter plate 7 installed on the inner side of the discharge pipe 5. Through the mutual cooperation of the dust suction fan 9 and the filter plate 7 installed inside the discharge pipe 5, the dust generated during the discharge can be absorbed and processed, and the dust amount discharged by the crusher can be reduced, so that the crusher has a dust reduction structure.
[0025] See also Figure 1 , Figure 2 and Figure 4Preferably, connecting plates 12 are provided on both sides of the lower part of the crushing box 2 near the crushing roller 3, and a cleaning scraper 13 is inserted under the connecting plate 12, and a second spring 14 is sleeved on the top of the cleaning scraper 13; preferably, a connecting rod 15 is passed through the top of the two connecting plates 12, and the connecting rod 15 is connected to the inner wall of the crushing box 2 through a bearing seat; preferably, a motor 16 is installed on the outside of the crushing box 2, and the output end of the motor 16 passes through the crushing box 2 and is connected to the connecting rod 15, a guide shaft 17 is passed through the side of the connecting plate 12 away from the connecting rod 15, and both ends of the guide shaft 17 are connected to the inner wall of the crushing box 2, a bidirectional thread is provided on the surface of the connecting rod 15, and the connecting rod 15 and the connecting plate 12 are threadedly connected, the bottom of the cleaning scraper 13 is in contact with the bottom of the inner wall of the crushing box 2, and the cleaning scraper 13 forms a telescopic structure between the second spring 14 and the connecting plate 12.
[0026] In the specific implementation, the two connecting plates 12 in the initial state are close to the inner wall of the crushing box 2, and the cleaning scraper 13 is in a tension state on the second spring 14 set on the outside inside the connecting plate 12, and the connecting rod 15 connected to the output end is driven to rotate by starting the motor 16. Since the surface of the connecting rod 15 is provided with a bidirectional thread, and the connecting rod 15 and the connecting plate 12 are threadedly connected, the two outer connecting plates 12 can be moved inward at the same time as the connecting rod 15 rotates, and the moving connecting plate 12 moves along the guide shaft. 17 can be stably moved. Since the bottom of the inner wall of the crushing box 2 is inclined, as the connecting plate 12 continues to move inward, the cleaning scraper 13 inserted in the connecting plate 12 can automatically reset downward and fit with the bottom of the inner wall of the crushing box 2 through the elastic force of the second spring 14. As the cleaning scraper 13 continues to move, the bottom of the crushing box 2 can be scraped and cleaned. By arranging a movable cleaning scraper 13 inside the crushing box 2 to scrape and clean the bottom of the crushing box 2, the crusher has an inner wall cleaning structure.
[0027] To sum up, when using the crusher with dust reduction mechanism, the crusher is transported to the designated area for civil engineering construction, and then the crusher is connected to the power supply, and the connected crushing roller 3 is driven to rotate synchronously by the driving motor 4. When the crushing operation is performed, the stones to be crushed are put into the feed hopper 18, and the stones from the feed hopper 18 fall into the crushing box 2, and are crushed by the rotating crushing roller 3. Finally, the crushed stones are discharged through the discharge pipe 5. This is the prior art and will not be elaborated here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.
[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A stone crusher with a dust reduction mechanism, comprising a base (1), a crushing box (2), a crushing roller (3) and a driving motor (4), characterized in that: A crushing box (2) is arranged above the base (1), and a crushing roller (3) is installed inside the crushing box (2) through a bearing seat, a driving motor (4) connected to the crushing roller (3) is installed on the outside of the crushing box (2), a discharge pipe (5) penetrating the base (1) is arranged in the middle of the bottom end of the crushing box (2), a feed hopper (18) is arranged in the middle of the top end of the crushing box (2), through grooves (6) are opened on both sides of the discharge pipe (5), and a filter plate (7) is arranged on the inner side of the through groove (6), a recovery box (8) is installed on the inner side of the bottom of the base (1), and a dust suction fan (9) is installed on the inner side of the recovery box (8), one end of the dust suction fan (9) is connected to a dust suction hood (10), and the dust suction hood (10) is docked on the discharge pipe. (5) near the outer side of the through groove (6), a limiting assembly (11) is jointly arranged between the discharge pipe (5) and the filter plate (7), and the limiting assembly (11) comprises a fixed seat (111), a mounting seat (112), a limiting seat (113), a docking block (114), a guide rod (115) and a first spring (116), the fixed seat (111) is connected to the outer wall of the discharge pipe (5), the bottom of the filter plate (7) is connected to the mounting seat (112) sleeved on the bottom of the discharge pipe (5), the outer side of the fixed seat (111) is sleeved with a limiting seat (113), one end of the limiting seat (113) is inserted into the fixed seat (111), and the other end of the limiting seat (113) is connected to the docking block (114) penetrating the fixed seat (111).
2. A stone crusher with a dust suppression mechanism according to claim 1, characterized in that: A guide rod (115) passes through the middle of the upper end of the limiting seat (113), and a first spring (116) is sleeved on the outer side of the guide rod (115), and two ends of the first spring (116) are respectively connected to the limiting seat (113) and the fixing seat (111).
3. A stone crusher with a dust suppression mechanism according to claim 2, characterized in that: The crushing box (2) is provided with connecting plates (12) on both sides below the crushing roller (3), and a cleaning scraper (13) is inserted below the connecting plate (12), and a second spring (14) is sleeved above the cleaning scraper (13).
4. A stone crusher with a dust suppression mechanism according to claim 3, characterized in that: A connecting rod (15) passes through the tops of the two connecting plates (12), and the connecting rod (15) is connected to the inner wall of the crushing box (2) through a bearing seat.
5. A stone crusher with a dust suppression mechanism according to claim 4, characterized in that: A motor (16) is installed on the outside of the crushing box (2), and the output end of the motor (16) passes through the crushing box (2) and is connected to the connecting rod (15). A guide shaft (17) passes through the side of the connecting plate (12) away from the connecting rod (15), and both ends of the guide shaft (17) are connected to the inner wall of the crushing box (2).