Impact crusher with screening function

Abstract

The utility model provides an impact crusher with a screening function, which comprises a machine frame, a machine shell arranged at the top of the machine frame, a feed port arranged at the top of the machine shell, a discharge hopper arranged at the bottom of the machine frame, a screening hopper hinged to the bottom of the discharge hopper, first connecting shafts arranged on the front side face and the rear side face of the screening hopper and rotatably connected with the screening hopper. The front side face and the rear side face of the discharging hopper are each provided with a second connecting shaft, the second connecting shafts are rotationally connected with the discharging hopper, and the ends, away from the discharging hopper, of the second connecting shafts are fixedly connected with a second mounting plate. The motor drives the driving wheel, then the driving wheel drives the driven wheel through the second belt, and the driven wheel synchronously drives the follower wheel to rotate through the first belt, so that crushing and screening of materials can be achieved through driving of the same motor; and compared with a traditional material screening mode that an oscillation motor needs to be installed for screening, an oscillation motor does not need to be installed for driving the screening hopper to move for screening, and more energy is saved.

Description

Technical Field

[0001] The utility model relates to an impact crusher, in particular to an impact crusher with a screening function, belonging to the technical field of crushers. Background Art

[0002] An impact crusher is a common crushing device, mainly used for processing rocks and ores of various hardnesses and shapes. It crushes the materials into crushed stones of the required particle size by the collision of a high-speed rotating rotor and the feeding materials. Impact crushers are usually used in fields such as mines, construction, and highway construction, and have the characteristics of large processing capacity, high finished product rate, and simple operation.

[0003] In the prior art, the materials produced by the impact crusher need to be screened. When screening, an oscillating motor needs to be installed separately to drive the screening bucket to screen the produced materials. Installing the oscillating motor separately will increase the energy consumption of the impact crusher, which does not meet the energy-saving requirements. Therefore, the utility model proposes an impact crusher with a screening function to solve the above problems. Summary of the Invention

[0004] Based on the above background, the purpose of the utility model is to provide an impact crusher with a screening function to solve the problems described in the background art.

[0005] In order to achieve the above invention purpose, the utility model provides the following technical solutions:

[0006] An impact crusher with a screening function includes a frame. A casing is provided at the top of the frame. A feeding port is provided at the top of the casing. A discharge hopper is provided at the bottom of the frame. A screening bucket is hinged to the bottom of the discharge hopper. First connecting shafts are provided on the front and rear sides of the screening bucket. The first connecting shafts are rotationally connected to the screening bucket. A first mounting plate is fixedly connected to the end of the first connecting shaft away from the screening bucket. Second connecting shafts are provided on the front and rear sides of the discharge hopper. The second connecting shafts are rotationally connected to the discharge hopper. A second mounting plate is fixedly connected to the end of the second connecting shaft away from the discharge hopper. An elastic telescopic assembly is provided on the first mounting plate and the second mounting plate. The two ends of the elastic telescopic assembly are respectively in telescopic cooperation with the first mounting plate and the second mounting plate. A rotating shaft is provided on the frame. A group of cams are fixedly connected to the rotating shaft. The group of cams respectively rotate and abut against the bottom surface of the screening bucket.

[0007] Preferably, the elastic telescopic assembly includes a telescopic column. The two ends of the telescopic column are respectively in telescopic fit with the first mounting plate and the second mounting plate. A spring is sleeved on the telescopic column. The spring is located between the first mounting plate and the second mounting plate, and the two ends of the spring respectively abut against the first mounting plate and the second mounting plate. Threaded portions are provided at both ends of the telescopic column, and nuts are threadedly connected to the threaded portions. The nuts are respectively located outside the opposite ends of the first mounting plate and the second mounting plate.

[0008] Preferably, a set of bearing seats are provided on the frame. Bearings are sleeved in the bearing seats. The rotating shaft passes through the inner rings of the bearings. The bearings are respectively located on both sides of the cam. The rotating shaft is rotatably connected to the frame through the bearings and the bearing seats.

[0009] Preferably, a rotor is provided on the casing. The front and rear ends of the rotor both pass through the casing and are rotatably connected to the outside of the casing through brackets. A driven wheel is fixedly connected to the front end of the rotor. A follower wheel is fixedly connected to the front end of the rotating shaft. The driven wheel is drivingly connected to the follower wheel through a plurality of first belts.

[0010] Preferably, a fixing plate is fixedly connected to one side of the front end of the frame. A motor is mounted on the top of the fixing plate. A driving wheel is fixedly connected to the output shaft of the motor. The driving wheel is drivingly connected to the driven wheel through a plurality of second belts.

[0011] Preferably, a striking hammer is fixedly connected to the part of the rotor located inside the casing. A counterattack lining plate is provided inside the casing. The counterattack lining plate is connected to the casing.

[0012] Compared with the prior art, the present utility model has the following advantages:

[0013] For a counterattack crusher with a screening function of the present utility model, the rotation of the motor drives the rotation of the driving wheel. The rotation of the driving wheel drives the driven wheel by means of the second belt. The rotation of the driven wheel drives the synchronous rotation of the follower wheel by means of the first belt, and thus the purpose of the rotation of the cam can be achieved. When the cam rotates rapidly, it will drive one end of the screening hopper far from the connection end with the feeding hopper to move up and down rapidly. When the material is broken by the crusher and falls onto the screening hopper from the discharge hopper, the smaller particle material will be screened out and directly fall to the bottom of the screening hopper, and the larger particle material will fall from the left side of the screening hopper, so as to screen the size of the material. By the way that the motor drives the driving wheel, and the driving wheel drives the driven wheel by means of the second belt, and the driven wheel synchronously drives the rotation of the follower wheel by means of the first belt, the crushing and screening of the material can be realized by the drive of the same motor. Compared with the traditional way of installing an oscillating motor for material screening, there is no need to install an oscillating motor to drive the screening hopper to move for screening, which is more energy-saving. Description of the Drawings

[0014] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only the embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to the provided drawings.

[0015] Figure 1 is the three-dimensional structure schematic diagram of the present invention;

[0016] Figure 2 is the structure schematic diagram of the elastic telescopic component of the present invention;

[0017] Figure 3 is the structure schematic diagram of the sieve hopper of the present invention;

[0018] Figure 4 is the schematic diagram of the connection relationship between the first connecting shaft and the first mounting plate of the present invention;

[0019] Figure 5 is the schematic diagram of the connection relationship between the second connecting shaft and the second mounting plate of the present invention.

[0020] In the figure: 1, frame; 2, elastic telescopic component; 201, telescopic column; 202, spring; 203, threaded part; 204, nut; 3, feed inlet; 4, discharge hopper; 5, sieve hopper; 6, first connecting shaft; 7, first mounting plate; 8, second connecting shaft; 9, second mounting plate; 10, rotating shaft; 11, cam; 12, bearing seat; 13, bearing; 14, rotor; 15, bracket; 16, driven wheel; 17, follower wheel; 18, first belt; 19, fixing plate; 20, motor; 21, driving wheel; 22, second belt; 23, impact liner; 24, housing. Specific embodiments

[0021] The following will further specifically illustrate the technical solutions of the present invention through specific embodiments and in combination with the drawings. It should be understood that the implementation of the present invention is not limited to the following embodiments, and any form of variation and / or change made to the present invention will fall within the protection scope of the present invention.

[0022] In the present invention, unless otherwise specified, all parts and percentages are in weight units, and the equipment and raw materials used can be obtained from the market or are commonly used in the art. The methods in the following embodiments, unless otherwise specified, are conventional methods in the art. The components or equipment in the following embodiments, unless otherwise specified, are general standard parts or components known to those skilled in the art, and their structures and principles can all be known to those skilled in the art through technical manuals or obtained through conventional experimental methods.

[0023] The following will make a detailed description of the embodiments of the present utility model in conjunction with the accompanying drawings. In the following detailed description, for the sake of explanation, many specific details are set forth to provide a comprehensive understanding of the embodiments of the present utility model. However, one or more embodiments can also be implemented by those skilled in the art without these specific details.

[0024] As Figures 1-5 shown, a counterattack crusher with a screening function includes a frame 1. A casing 24 is provided at the top of the frame 1. A feed inlet 3 is provided at the top of the casing 24. A discharge hopper 4 is provided at the bottom of the frame 1. A screening hopper 5 is hinged to the bottom of the discharge hopper 4. First connecting shafts 6 are provided on the front and rear side surfaces of the screening hopper 5. The first connecting shafts 6 are rotatably connected to the screening hopper 5. The ends of the first connecting shafts 6 away from the screening hopper 5 are fixedly connected to first mounting plates 7. Second connecting shafts 8 are provided on the front and rear side surfaces of the discharge hopper 4. The second connecting shafts 8 are rotatably connected to the discharge hopper 4. The ends of the second connecting shafts 8 away from the discharge hopper 4 are fixedly connected to second mounting plates 9. An elastic telescopic assembly 2 is provided on the first mounting plate 7 and the second mounting plate 9. The two ends of the elastic telescopic assembly 2 are respectively in telescopic cooperation with the first mounting plate 7 and the second mounting plate 9. A rotating shaft 10 is provided on the frame 1. A group of cams 11 are fixedly connected to the rotating shaft 10. The group of cams 11 respectively rotate and abut against the bottom surface of the screening hopper 5.

[0025] In the above technical solution, by setting the rotating shaft 10 and providing a group of cams 11 on the rotating shaft 10, the cams 11 rotate and abut against the bottom of the screening hopper 5, and one end of the screening hopper 5 away from the cams 11 is hinged to the discharge hopper 4. When the cams 11 rotate rapidly, it will drive the screening hopper 5 to move up and down rapidly at the end away from the connection end with the feed hopper. When the material is broken by the crusher and falls from the discharge hopper 4 onto the screening hopper 5, the smaller particles of the material will be screened out and directly fall to the bottom of the screening hopper 5, and the larger particles of the material will fall from the left side of the screening hopper 5, so as to screen the size of the material.

[0026] The elastic telescopic assembly 2 includes a telescopic column 201. The two ends of the telescopic column 201 are respectively in telescopic cooperation with the first mounting plate 7 and the second mounting plate 9. A spring 202 is sleeved on the telescopic column 201. The spring 202 is located between the first mounting plate 7 and the second mounting plate 9, and the two ends of the spring 202 respectively abut against the first mounting plate 7 and the second mounting plate 9. Threaded portions 203 are provided at both ends of the telescopic column 201. Nuts 204 are threadedly connected to the threaded portions 203. The nuts 204 are respectively located outside the opposite ends of the first mounting plate 7 and the second mounting plate 9.

[0027] In the above technical solution, telescopic columns 201 with telescopic fit are arranged on the first mounting plate 7 and the second mounting plate 9, and springs 202 are sleeved thereon. The two ends of the springs 202 are respectively abutted against the first mounting plate 7 and the second mounting plate 9. The elastic force of the springs 202 enables the sieve hopper 5 to better follow the rotation of the cam 11 and move, facilitating the screening of materials.

[0028] A set of bearing seats 12 are provided on the frame 1. Bearings 13 are sleeved inside the bearing seats 12. The rotating shaft 10 is arranged in the inner rings of the bearings 13. The bearings 13 are respectively located on both sides of the cam 11. The rotating shaft 10 is rotatably connected to the frame 1 through the bearings 13 and the bearing seats 12.

[0029] In the above technical solution, by providing the bearing seats 12 and the bearings 13 and sleeving the rotating shaft 10 in the inner rings of the bearings 13, the rotating shaft 10 can be rotatably connected to the frame 1.

[0030] A rotor 14 is provided on the casing 24. Both the front and rear ends of the rotor 14 pass through the casing 24 and are rotatably connected to the outside of the casing 24 through brackets 15. A driven wheel 16 is fixedly connected to the front end of the rotor 14. A follower wheel 17 is fixedly connected to the front end of the rotating shaft 10. The driven wheel 16 is drivingly connected to the follower wheel 17 through a plurality of first belts 18.

[0031] In the above technical solution, by connecting a rotating wheel to the front end of the rotor 14, the rotation of the rotating wheel can drive the follower wheel 17 to rotate through the first belt 18, thereby achieving the purpose of driving the rotating shaft 10 to rotate.

[0032] One side of the front end of the frame 1 is fixedly connected with a fixing plate 19. A motor 20 is installed on the top of the fixing plate 19. A driving wheel 21 is fixedly connected to the output shaft of the motor 20. The driving wheel 21 is drivingly connected to the driven wheel 16 through a plurality of second belts 22.

[0033] In the above technical solution, by installing the motor 20 on the top of the fixing plate 19 and fixedly connecting the driving wheel 21 to the output shaft of the motor 20, the start of the motor 20 can drive the driving wheel 21 to rotate, and the driving rotation can drive the driven wheel 16 to rotate by means of the second belt 22.

[0034] A striking hammer (not shown in the present utility model) is fixedly connected to the part of the rotor 14 located inside the casing 24. A counterattack lining plate 23 is provided inside the casing 24. The counterattack lining plate 23 is connected to the casing 24.

[0035] In the above technical solution, through the impact hammers provided on the rotor 14 and the counterattack liner 23 provided inside the casing 24, when the material falls into the inside of the casing 24 from the feed inlet 3, it will be struck by the rotating impact hammers for the first crushing. The material is struck by the impact hammers onto the counterattack liner 23 for the second crushing. Under the striking of the impact hammers and the rebound of the counterattack liner 23, the material is repeatedly struck back and forth between the impact hammers and the counterattack liner 23, and the material can be crushed.

[0036] The implementation principle of a counterattack crusher with a screening function of the present utility model is as follows:

[0037] During use, the motor 20 rotates to drive the driving wheel 21 to rotate. The driving wheel 21 rotates to drive the driven wheel 16 by means of the second belt 22. The driven wheel 16 rotates to drive the follower wheel 17 to rotate synchronously by means of the first belt 18, thereby achieving the purpose of the rotation of the cam 11. When the cam 11 rotates rapidly, it will drive one end of the sieve bucket 5 away from the connection end with the feed hopper to move up and down rapidly. When the material enters the inside of the casing 24 from the feed inlet 3 and is crushed by the impact hammers and the counterattack liner 23, the material falls from the discharge hopper 4 into the sieve bucket 5. The smaller particle material will be screened out and directly fall to the bottom of the sieve bucket 5. The larger particle material will fall from the left side of the sieve bucket 5, and the size of the material can be screened. By the way that the motor 20 drives the driving wheel 21, the driving wheel 21 then drives the driven wheel 16 by means of the second belt 22, and the driven wheel 16 synchronously drives the follower wheel 17 to rotate by means of the first belt 18, the crushing and screening of the material can be realized by the driving of the same motor 20. Compared with the traditional method of installing an oscillating motor 20 for screening, there is no need to install an oscillating motor 20 to drive the sieve bucket 5 to move for screening, which is more energy-saving.

[0038] In this article, specific examples are used to elaborate on the principle and implementation mode of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements and modifications can still be made to the present utility model, and these improvements and modifications also fall within the protection scope of the claims of the present utility model.

Claims

1. An impact crusher with screening function, characterized in that: The machine comprises a frame (1), a casing (24) is provided on the top of the frame (1), a feed port (3) is provided on the top of the casing (24), a discharge hopper (4) is provided on the bottom of the frame (1), a screen hopper (5) is hingedly connected to the bottom of the discharge hopper (4), a first connecting shaft (6) is provided on both the front and rear side surfaces of the screen hopper (5), the first connecting shaft (6) is rotatably connected to the screen hopper (5), a first mounting plate (7) is fixedly connected to the end of the first connecting shaft (6) away from the screen hopper (5), a second connecting shaft (8) is provided on both the front and rear side surfaces of the discharge hopper (4), and the The second connecting shaft (8) is rotatably connected to the discharge hopper (4); the second connecting shaft (8) is fixedly connected to a second mounting plate (9) at the end away from the discharge hopper (4); the first mounting plate (7) and the second mounting plate (9) are provided with elastic telescopic components (2); the two ends of the elastic telescopic components (2) are respectively telescopically matched with the first mounting plate (7) and the second mounting plate (9); the frame (1) is provided with a rotating shaft (10); the rotating shaft (10) is fixedly connected to a group of cams (11); the group of cams (11) are respectively rotatably abutted against the bottom surface of the screen bucket (5).

2. The crusher according to claim 1, characterized in that: The elastic telescopic assembly (2) comprises a telescopic column (201), the two ends of the telescopic column (201) respectively telescopically cooperate with the first mounting plate (7) and the second mounting plate (9), the telescopic column (201) is sleeved with a spring (202), the spring (202) is located between the first mounting plate (7) and the second mounting plate (9), and the two ends of the spring (202) respectively abut against the first mounting plate (7) and the second mounting plate (9), the two ends of the telescopic column (201) are both provided with a threaded portion (203), the threaded portion (203) is both threadedly connected with a nut (204), and the nut (204) is respectively located on the outside of opposite ends of the first mounting plate (7) and the second mounting plate (9).

3. The crusher according to claim 1, characterized in that: The frame (1) is provided with a group of bearing seats (12), the bearing seats (12) are provided with bearings (13) in their inner sleeves, the rotating shaft (10) is inserted into the inner ring of the bearings (13), the bearings (13) are respectively located on both sides of the cam (11), and the rotating shaft (10) is rotatably connected to the frame (1) via the bearings (13) and the bearing seats (12).

4. The crusher according to claim 3, characterized in that: The housing (24) is provided with a rotor (14); the front and rear ends of the rotor (14) pass through the housing (24) and are rotatably connected to the outside of the housing (24) via a bracket (15); the front end of the rotor (14) is fixedly connected to a driven wheel (16); the front end of the rotating shaft (10) is fixedly connected to a follower wheel (17); the driven wheel (16) is transmission-connected to the follower wheel (17) via a plurality of first belts (18).

5. The crusher according to claim 4, characterized in that: A fixing plate (19) is fixedly connected to one side of the front end of the frame (1), a motor (20) is mounted on the top of the fixing plate (19), a driving wheel (21) is fixedly connected to the output shaft of the motor (20), and the driving wheel (21) is transmission-connected to the driven wheel (16) via a plurality of second belts (22).

6. The crusher according to claim 4, characterized in that: The rotor (14) is fixedly connected to a striking hammer on the inner part of the casing (24), and an impact lining plate (23) is provided inside the casing (24), and the impact lining plate (23) is connected to the casing (24).

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