High-chromium alloy wear-resistant plate hammer casting for impact crusher

Abstract

The high-chromium alloy wear-resisting plate hammer casting comprises a box body, a rotor frame and a dust removal assembly, the rotor frame and the dust removal assembly are arranged in the box body, a feeding pipe is arranged at the upper end of the box body, and a discharging opening is formed in the lower end of the box body. A first arc-shaped baffle and a second arc-shaped baffle are arranged in the box body through a fixing frame, the end of the first arc-shaped baffle and the end of the second arc-shaped baffle are located at the lower end of the feeding pipe and the upper end of the discharging opening respectively, the rotor frame is arranged between the first arc-shaped baffle and the second arc-shaped baffle, and a plate hammer is installed on the outer side of the rotor frame. The dust removal assembly comprises a negative pressure dust suction box and two air inlet structures, and the negative pressure dust suction box is arranged at the upper end of the outer side of the box body. The dust removal device has the advantages that dust generated when materials are crushed is sucked through the two air inlet structures, dust discharge is effectively prevented, the body health of personnel is guaranteed, and the dust removal effect is good. And the pollution to the environment is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field related to crushers, in particular to a high-chromium alloy wear-resistant plate hammer casting for an impact crusher. Background Art

[0002] Impact crusher is also called impact crusher, which is mainly used for material processing that often needs to be moved in metallurgy, chemical industry, building materials, hydropower and other industries, especially for the operation of mobile stone materials such as highways, railways, hydropower projects, etc. It can adopt various configuration forms according to the type, scale and requirements of finished materials of processed raw materials. The current impact crusher will generate a lot of dust when crushing materials, and the dust will be discharged into the air from the discharge port and the feed port, which will not only endanger the health of the workers, but also cause serious pollution to the working environment.

[0003] The patent with application number 202020614057.1 discloses a high-chromium alloy wear-resistant plate hammer casting for an impact crusher, and relates to the technical field of crushers. The utility model includes: a machine body, a main shaft is rotatably connected inside the machine body, a rotor frame is installed at one end of the main shaft, and a plate hammer is installed around the rotor frame; a fixed box is installed at the bottom of the machine body, a partition is installed inside the fixed box, an exhaust fan is installed at the bottom of the fixed box, a protective net is installed on one side of the exhaust fan, an air inlet pipe is connected to the air inlet of the exhaust fan, and an air outlet pipe is connected to the air outlet of the exhaust fan. The utility model can suck the dust generated by crushing into the air inlet pipe through the exhaust fan installed inside the fixed box, and then discharge it into the water collecting box through the air outlet pipe, so that the water in the water collecting box can dissolve the dust, and the remaining gas is discharged from the crusher through the exhaust pipe, thereby completing the absorption and treatment of the dust.

[0004] The above-mentioned device has the following disadvantages: the exhaust fan is arranged on the inner side of the lower part of the device, but when crushing, the dust generated is easily discharged through the feed port, and the overall dust removal effect needs to be improved. At the same time, the feed port is directly connected to the inside of the device, and material splashing is likely to occur during crushing. Utility Model Content

[0005] The utility model aims to provide a high chromium alloy wear-resistant plate hammer casting for an impact crusher to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-chromium alloy wear-resistant plate hammer casting for an impact crusher, comprising a box body and a rotor frame and a dust removal assembly arranged inside the box body, a feed pipe is arranged at the upper end of the box body, a discharge port is opened at the lower end of the box body, a first arc-shaped baffle and a second arc-shaped baffle are arranged inside the box body through a fixed frame, the ends of the first arc-shaped baffle and the second arc-shaped baffle are respectively located at the lower end of the feed pipe and the upper end of the discharge port, the rotor frame is arranged between the first arc-shaped baffle and the second arc-shaped baffle, a plate hammer is installed on the outside of the rotor frame, the dust removal assembly comprises a negative pressure dust suction box and two air intake structures, the negative pressure dust suction box is arranged at the upper end of the outer side of the box body, the two air intake structures are respectively arranged at the feed pipe and the discharge port, and the air intake structure is connected to the negative pressure dust suction box through a duct.

[0007] Preferably, a fixing plate is provided at a middle portion of a side of the first arc-shaped baffle plate close to the rotor frame, and a plurality of grooves corresponding to the plate hammers are formed on the fixing plate.

[0008] Preferably, the air intake structure includes a mounting plate and a plurality of air intake pipes, an air collecting pipe is arranged on one side surface of the mounting plate, a plurality of mounting grooves are opened on the side of the mounting plate, the ends of the plurality of air intake pipes are all located in the mounting grooves and are connected to the mounting plate through pins, and the air intake pipes are connected to the air collecting pipes through hoses.

[0009] Preferably, a plurality of air inlets are provided on the wall of the air inlet pipe.

[0010] Preferably, a torsion spring connected to the air intake pipe and the mounting plate is installed on the outer side of the pin shaft.

[0011] Preferably, the negative pressure dust collection box is also connected to a filter box via a conduit.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: by arranging air intake structures at the lower port of the feed pipe and the upper port of the discharge port, and connecting the air intake structures to the negative pressure dust suction box through a conduit, the dust generated when the material is crushed is absorbed by the two air intake structures, effectively preventing the discharge of dust, protecting the health of personnel, and reducing pollution to the environment. At the same time, since the air intake pipe is connected to the mounting plate by a pin shaft, and a torsion spring is arranged at the pin shaft, the splashing of materials generated by the crushing can be effectively prevented without affecting the feeding and discharging. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the fixing plate of the utility model;

[0015] Figure 3 It is a structural schematic diagram of the air intake structure of the utility model;

[0016] Figure 4 It is a structural schematic diagram of the air intake pipe of the utility model.

[0017] In the figure: 1. box body; 2. rotor frame; 3. feed pipe; 4. discharge port; 5. first arc baffle; 6. second arc baffle; 7. plate hammer; 8. negative pressure dust suction box; 9. fixing plate; 10. groove; 11. air intake structure; 12. mounting plate; 13. mounting groove; 14. pin shaft; 15. air collecting pipe; 16. air intake pipe; 17. air intake port. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-4 The utility model provides a technical solution: a high chromium alloy wear-resistant plate hammer casting for an impact crusher, comprising a box body 1, a rotor frame 2 and a dust removal assembly arranged inside the box body 1, a feed pipe 3 is arranged at the upper end of the box body 1, a discharge port 4 is opened at the lower end of the box body 1, a first arc baffle 5 and a second arc baffle 6 are arranged inside the box body 1 through a fixed frame, the ends of the first arc baffle 5 and the second arc baffle 6 are respectively located at the lower end of the feed pipe 3 and the upper end of the discharge port 4, the rotor frame 2 is arranged between the first arc baffle 5 and the second arc baffle 6 A plate hammer 7 is installed on the outer side of the rotor frame 2, and a fixing plate 9 is provided on the middle part of the first arc-shaped baffle plate 5 on one side close to the rotor frame 2. A plurality of grooves 10 corresponding to the plate hammer 7 are provided on the fixing plate 9. The dust removal assembly includes a negative pressure dust box 8 and two air intake structures 11. The negative pressure dust box 8 is arranged at the upper end of the outer side of the box body 1, and the negative pressure dust box 8 is also connected to a filter box through a conduit. The two air intake structures 11 are respectively arranged at the feed pipe 3 and the discharge port 4, and the air intake structure 11 is connected to the negative pressure dust box 8 through a conduit.

[0020] The air intake structure 11 includes a mounting plate 12 and a plurality of air intake pipes 16. An air collecting pipe 15 is arranged on one side surface of the mounting plate 12. A plurality of mounting grooves 13 are provided on the side of the mounting plate 12. The ends of the plurality of air intake pipes 16 are all in the mounting grooves 13 and are connected to the mounting plate 12 through a pin 14. The air intake pipe 16 is connected to the air collecting pipe 15 through a hose. A torsion spring connected to the air intake pipe 16 and the mounting plate 12 is installed on the outer side of the pin 14. The wall of the air intake pipe 16 is provided with a plurality of air inlets 17. When feeding or discharging, the material causes the air intake pipe 16 to rotate. Subsequently, under the action of the torsion spring, the air intake pipe 16 is reset, thereby effectively preventing the material from splashing during the crushing process. At the same time, the air inlets 17 of the plurality of air intake pipes 16 inhale the air carrying dust inside the box 1 to achieve air purification.

[0021] Specifically, when the utility model is used, the material enters the interior of the box body 1 through the feed pipe 3 and is placed on the plate hammer 7 of the rotor frame 2. Subsequently, the plate hammer 7 is driven to rotate by the rotor frame 2 to drive the material to the fixed plate 9, and the material is crushed by the hammering of the plate hammer 7. During the crushing process, the negative pressure device inside the negative pressure dust suction box 8 is started, so that the airflow enters the duct from the air intake structure 11 at the lower end of the feed pipe 3 and the upper end of the discharge port 4, and is subsequently filtered through the filter box.

[0022] During feeding, the gravity of the material causes the movable end of the air inlet pipe 16 to rotate toward the inside of the box 1. After feeding is completed, the air inlet pipe 16 is reset under the action of the torsion spring, so that the dust generated during the crushing process passes through the air inlet pipe 16, the hose, the air collecting pipe 15, and the duct to reach the negative pressure dust suction box 8. Due to the reset of the air inlet pipe 16, the material splashing during the crushing process is effectively prevented.

Claims

1. A high chromium alloy wear-resistant plate hammer casting for an impact crusher, characterized in that: The invention comprises a box body (1), a rotor frame (2) and a dust removal assembly arranged inside the box body (1), wherein a feed pipe (3) is arranged at the upper end of the box body (1), a discharge port (4) is opened at the lower end of the box body (1), a first arc-shaped baffle plate (5) and a second arc-shaped baffle plate (6) are arranged inside the box body (1) via a fixed frame, the ends of the first arc-shaped baffle plate (5) and the second arc-shaped baffle plate (6) are respectively located at the lower end of the feed pipe (3) and the upper end of the discharge port (4), and the rotor frame ( 2) is arranged between the first arc-shaped baffle plate (5) and the second arc-shaped baffle plate (6), a plate hammer (7) is installed on the outer side of the rotor frame (2), and the dust removal component includes a negative pressure dust collection box (8) and two air intake structures (11), the negative pressure dust collection box (8) is arranged at the upper end of the outer side of the box body (1), the two air intake structures (11) are respectively arranged at the feed pipe (3) and the discharge port (4), and the air intake structure (11) is connected to the negative pressure dust collection box (8) through a conduit.

2. The high chromium alloy wear-resistant plate hammer casting for an impact crusher according to claim 1, characterized in that: A fixing plate (9) is provided at the middle of one side of the first arc-shaped baffle plate (5) close to the rotor frame (2), and a plurality of grooves (10) corresponding to the plate hammers (7) are formed on the fixing plate (9).

3. The high chromium alloy wear-resistant plate hammer casting for an impact crusher according to claim 1, characterized in that: The air intake structure (11) comprises a mounting plate (12) and a plurality of air intake pipes (16); an air collecting pipe (15) is arranged on one side surface of the mounting plate (12); a plurality of mounting grooves (13) are provided on the side of the mounting plate (12); ends of the plurality of air intake pipes (16) are all located in the mounting grooves (13) and are connected to the mounting plate (12) via a pin shaft (14); and the air intake pipes (16) are connected to the air collecting pipe (15) via a hose.

4. The high chromium alloy wear-resistant plate hammer casting for an impact crusher according to claim 3, characterized in that: The wall of the air inlet pipe (16) is provided with a plurality of air inlets (17).

5. The high chromium alloy wear-resistant plate hammer casting for an impact crusher according to claim 3, characterized in that: A torsion spring connected to the air intake pipe (16) and the mounting plate (12) is installed on the outer side of the pin shaft (14).

6. The high chromium alloy wear-resistant plate hammer casting for an impact crusher according to claim 1, characterized in that: The negative pressure dust collection box (8) is also connected to a filter box via a conduit.

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