An energy-saving multi-stage crusher for crushing cement raw materials

Abstract

This utility model provides an energy-saving multi-stage crusher for cement raw material crushing, belonging to the field of crushing machinery technology. It includes an inlet shell, a middle shell, a lower shell, an outlet shell, a motor, screws, a large screen, and a transmission belt. The upper part of one side of the outlet shell has four sets of circular holes, and the bottom connecting plate of the motor also has four sets of circular holes, with the bottom connecting plate of the motor fastened to the upper part of one side of the outlet shell by screws. A small pulley is fastened to the rotating shaft on one side of the motor. Circular holes are provided on the upper and lower connecting plates of the middle and lower shells, and the lower side of the middle shell and the upper side of the lower shell are fastened together by screws. Multiple crushing devices of different sizes are set up for layer-by-layer crushing, and the screen device improves the crushing effect. A flywheel device is included to assist in increasing the rotational speed; the force of the flywheel's own rotation effectively reduces energy consumption. A motor device is included, with a single motor driving the device, and the rotational speed is varied through pulleys of different sizes.

Description

Technical Field

[0001] This utility model belongs to the field of crushing machinery technology, and more specifically, it relates to an energy-saving multi-stage crusher for crushing cement raw materials. Background Technology

[0002] In the cement production industry, raw material crushing is a fundamental step in the entire production process, and its crushing effect directly affects the subsequent grinding efficiency and the quality of the finished cement product. Limestone, clay, and other cement raw materials have high hardness and large particle size, requiring traditional crushing equipment to perform multiple crushing operations to achieve the required particle size, resulting in high energy consumption. At the same time, the market's dual demands for cement production capacity and quality are constantly increasing, making single-stage crushing equipment insufficient to meet the needs of large-scale, refined production. Both large cement production enterprises and regional building materials processing projects urgently need more efficient and energy-saving crushing solutions. Developing an energy-saving multi-stage crusher for cement raw material crushing, by optimizing the multi-stage crushing chamber structure and transmission system, can achieve graded crushing of raw materials and efficient energy utilization. This reduces production energy consumption while improving crushing efficiency, which is of great significance for promoting the green and low-carbon transformation of the cement industry and enhancing enterprise competitiveness.

[0003] Based on the above, existing single crushing devices are unable to meet market demand, have poor crushing effect, and consume a lot of energy. Multi-stage crushing devices are more complex to design and are driven by several motors, which greatly increases energy consumption. Utility Model Content

[0004] To address the aforementioned technical problems, this utility model provides an energy-saving multi-stage crusher for crushing cement raw materials, thereby solving the problems of high energy consumption and poor crushing effect of existing energy-saving multi-stage crushers and single crushing devices for crushing cement raw materials.

[0005] This utility model discloses an energy-saving multi-stage crusher for crushing cement raw materials, achieved through the following specific technical means:

[0006] An energy-saving multi-stage crusher for crushing cement raw materials includes an inlet shell, a middle shell, a lower shell, an outlet shell, a motor, screws, a large screen, and a transmission belt. The upper part of one side of the outlet shell has four sets of circular holes, and the bottom connecting plate of the motor has four sets of circular holes, with the bottom connecting plate of the motor fastened to the upper part of one side of the outlet shell by screws. A small pulley is fastened to the rotating shaft on one side of the motor. Circular holes are provided on the upper and lower connecting plates of the middle and lower shells, and the lower side of the middle shell is fastened to the upper side of the lower shell by screws. The upper connecting plate of the middle shell is fastened to the bottom connecting plate of the inlet shell by screws. The bottom connecting plate of the lower shell is fastened to the top of the outlet shell by screws. Each of the three sets of rotating rods has a small pulley, a middle pulley, and a large pulley fastened to one side, and the outermost sides of the three sets of rotating rods are fastened to a small flywheel, a large flywheel, and a middle flywheel.

[0007] Furthermore, a set of semi-circular holes is provided in the middle of the lower part of the inlet shell and the top of the middle shell, and a rotating rod is rotatably connected in the semi-circular holes in the middle of the lower part of the inlet shell and the top of the middle shell; a rod connecting shaft is fastened to the outside of the rotating rod, and a crushing rod is clamped on the rod connecting shaft.

[0008] Furthermore, each of the two square blocks inside the middle shell is provided with a set of T-shaped grooves, and a large screen is fitted into the T-shaped grooves on the two square blocks inside the middle shell.

[0009] Furthermore, the top and bottom of the lower shell are each provided with a set of semi-circular holes, and a rotating rod, a rod connecting shaft and a crushing rod are rotatably connected in the semi-circular holes at the bottom of the middle shell and the bottom of the lower shell; a set of T-shaped grooves are provided on the square blocks on both sides inside the lower shell, and a middle screen is fastened to the T-shaped grooves on the square blocks on both sides inside the lower shell.

[0010] Furthermore, the upper part of the discharge port shell is provided with a semi-circular hole, and a rotating rod, a rod connecting shaft and a crushing rod are rotatably connected to the semi-circular hole at the bottom of the lower shell; the discharge port shell is provided with two sets of T-shaped grooves, and a small screen is fitted into the T-shaped grooves inside the discharge port shell.

[0011] Furthermore, three sets of transmission belts are rotatably connected to the small pulley, and the small pulley is rotatably connected to the inner annular grooves of the middle pulley, the large pulley, and the lower pulley through the transmission belts.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. This utility model uses multiple sets of crushing devices of different sizes to crush the material layer by layer, and improves the crushing effect by using a sieve device.

[0014] 2. By setting up a flywheel device, this utility model can help increase the rotation speed. Through the force of the flywheel's own rotation, energy consumption can be effectively reduced.

[0015] 3. This utility model uses a motor device to drive the device and uses pulleys of different sizes to achieve changes in rotational speed. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main structure of the present invention.

[0017] Figure 2 This is a schematic diagram of the internal structure of the main body of this utility model.

[0018] Figure 3 This is a cross-sectional view of the internal structure of the crushing device of this utility model.

[0019] Figure 4This is a cross-sectional view of the fracture structure of the screen connection of this utility model.

[0020] Figure 5 This is a schematic diagram of the transmission pulley device of this utility model.

[0021] In the diagram, the correspondence between component names and drawing numbers is as follows:

[0022] 1. Inlet shell; 2. Middle shell; 3. Lower shell; 4. Outlet shell; 5. Motor; 6. Screw; 7. Small flywheel; 8. Rotating rod; 9. Large screen; 501. Small pulley; 502. Transmission belt; 503. Middle pulley; 504. Large pulley; 505. Lower pulley; 701. Large flywheel; 702. Middle flywheel; 801. Rod connecting shaft; 802. Crushing rod; 901. Middle screen; 902. Small screen. Detailed Implementation

[0023] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0024] Example:

[0025] As attached Figure 1 To be continued Figure 5 As shown:

[0026] This utility model provides an energy-saving multi-stage crusher for cement raw material crushing, including an inlet shell 1, a middle shell 2, a lower shell 3, an outlet shell 4, a motor 5, screws 6, a large screen 9, and a transmission belt 502; the upper part of one side of the outlet shell 4 is provided with four sets of circular holes, and the bottom connecting plate of the motor 5 is provided with four sets of circular holes, and the bottom connecting plate of the motor 5 is fastened to the upper part of one side of the outlet shell 4 by screws 6; a small pulley 501 is fastened to the rotating shaft on one side of the motor 5; the middle shell 2, lower shell 3... The upper and lower connecting plates are provided with circular holes, and the lower side of the middle shell 2 is fastened to the upper side of the lower shell 3 by screws 6; the upper connecting plate of the middle shell 2 is fastened to the bottom connecting plate of the inlet shell 1 by screws 6; the bottom connecting plate of the lower shell 3 is fastened to the top of the outlet shell 4 by screws 6; each of the three sets of rotating rods 8 is fastened to a small pulley 501, a medium pulley 503 and a large pulley 504 on one side, and the outermost of the three sets of rotating rods 8 is fastened to a small flywheel 7, a large flywheel 701 and a medium flywheel 702.

[0027] The inlet shell 1 and the middle of the top of the middle shell 2 each have a set of semi-circular holes. A rotating rod 8 is rotatably connected inside the semi-circular holes in the middle of the inlet shell 1 and the top of the middle shell 2. A rod connecting shaft 801 is fastened to the outside of the rotating rod 8, and a crushing rod 802 is clamped on the rod connecting shaft 801. The inlet shell 1 and the middle shell 2 are rotatably connected through the rotating rod 8 in the semi-circular holes. The rotating rod 801 and the crushing rod 802 are driven to rotate, which can crush or stir the material entering the equipment. The through-type design of the rotating rod ensures stable power transmission. The crushing rod can be quickly disassembled and replaced through the clamping structure, which is convenient to adapt to the processing needs of different materials. At the same time, the semi-circular holes not only ensure smooth rotation of the rotating rod, but also prevent material leakage, thereby improving the functionality and ease of operation of the equipment.

[0028] The inner shell 2 has a set of T-shaped grooves on each of the two square blocks inside, and a large screen 9 is fitted into each of these T-shaped grooves. This fitting design between the T-shaped grooves and the large screen 9 creates a detachable screening structure, facilitating quick installation or replacement of the screen to adapt to different particle size screening requirements. The T-shaped grooves prevent the screen from shifting under material impact, ensuring screening accuracy, while the dense screen area improves material processing efficiency.

[0029] The lower shell 3 has a set of semi-circular holes at its top and bottom. A rotating rod 8, a rod-connecting shaft 801, and a crushing rod 802 are rotatably connected within the semi-circular holes at the bottom of the middle shell 2 and the lower shell 3. A set of T-shaped grooves is provided on each of the square blocks on both sides of the lower shell 3, and a middle screen 901 is securely connected to these T-shaped grooves. The lower shell 3 and the middle shell 2 are linked through the rotating rod 8 and other components within the bottom semi-circular holes, driving the crushing rod 802 to perform secondary crushing of the material. Combined with the middle screen 901, different particle sizes can be graded and screened, improving the precision of material processing. The secure connection between the T-shaped grooves and the middle screen 901 ensures the stability of the screening structure and facilitates quick disassembly and cleaning of screen residues. This design is suitable for scenarios requiring multi-stage crushing and screening, simplifying equipment maintenance while ensuring efficient operation.

[0030] The discharge port shell 4 has a semi-circular hole at its upper part. A rotating rod 8, a rod connecting shaft 801, and a crushing rod 802 are rotatably connected to the semi-circular hole at the bottom of the lower shell 3. The discharge port shell 4 has two sets of T-shaped grooves inside, and a small screen 902 is fitted into each of these grooves. Through the semi-circular hole and the linkage between the discharge port shell 4 and the lower shell 3, the rotating rod 8 and other components enable the crushing rod 802 to perform final-stage crushing of the material at the discharge end. Combined with the small screen 902 fitted into the internal T-shaped grooves, precise screening and discharge of fine-grained materials can be achieved. This design, through the linkage of multi-stage screens and the crushing structure, improves the continuity and refinement of material processing. The detachable structure of the T-shaped grooves facilitates quick replacement of the small screens to adapt to different particle size requirements.

[0031] The small pulley 501 is rotatably connected to three sets of transmission belts 502. The small pulley 501 is rotatably connected to the inner annular grooves of the middle pulley 503, large pulley 504, and lower pulley 505 via the transmission belts 502. The small pulley 501 is linked to the annular grooves of the middle pulley 503, large pulley 504, and lower pulley 505 via the three sets of transmission belts 502, allowing a single power source to be distributed to multiple transmission paths, achieving multi-stage speed changes or synchronous drive of multiple components. This is suitable for mechanical systems requiring complex power transmission. The interaction between the transmission belts and the annular grooves buffers impact through friction transmission, reducing gear wear. Furthermore, the speed ratio can be flexibly adjusted by replacing pulleys of different diameters, improving the equipment's adaptability to diverse operating conditions while ensuring stable power transmission.

[0032] The specific usage and function of this embodiment are as follows:

[0033] In this invention, the device is driven to rotate by a motor 5. The small pulley 501 on the shaft of the motor 5 transmits power to the middle pulley 503, the large pulley 504, and the lower pulley 505 through the transmission belt 502. The different sizes of pulleys will have different rotation speeds, which in turn drive the rotating rod 8. The rotating rod 8 drives the rod connecting shaft 801 and the crushing rod 802 to rotate for crushing. The small flywheel 7, large flywheel 701, and medium flywheel 702 of different sizes on its outer side assist the rotation, making the rotation faster and saving energy. After it starts rotating, the cement is put in from the top of the inlet shell 1. It is first crushed, then falls to the middle after being screened by the large screen 9, then falls to the bottom after being screened by the medium screen 901, and finally is output through the small screen 902, completing high-quality crushing.

[0034] Any aspects of this utility model not described in detail are well-known technologies to those skilled in the art.

Claims

1. An energy-saving multi-stage crusher for crushing cement raw materials, characterized in that: It includes an inlet shell (1), a middle shell (2), a lower shell (3), an outlet shell (4), a motor (5), screws (6), a large screen (9), and a transmission belt (502); The upper part of one side of the discharge port shell (4) is provided with four sets of circular holes, and the bottom connecting plate of the motor (5) is provided with four sets of circular holes. The bottom connecting plate of the motor (5) is fastened to the upper part of one side of the discharge port shell (4) by screws (6). A small pulley (501) is fastened to the rotating shaft on one side of the motor (5). The upper and lower connecting plates of the middle shell (2) and the lower shell (3) are provided with circular holes, and the lower side of the middle shell (2) is fastened to the upper side of the lower shell (3) by screws (6). The upper connecting plate of the middle shell (2) is fastened to the bottom connecting plate of the inlet shell (1) by screws (6). The bottom connecting plate of the lower shell (3) is fastened to the top of the discharge port shell (4) by screws (6). Each of the three sets of rotating rods (8) is fastened to a small pulley (501), a medium pulley (503) and a large pulley (504) on one side, and the outermost of the three sets of rotating rods (8) is fastened to a small flywheel (7), a large flywheel (701) and a medium flywheel (702).

2. The energy-saving multi-stage crusher for crushing cement raw materials as described in claim 1, characterized in that: The lower part of the inlet shell (1) and the middle part of the top of the middle shell (2) are each provided with a set of semi-circular holes, and a rotating rod (8) is rotatably connected in the semi-circular holes in the lower part of the inlet shell (1) and the top of the middle shell (2); a rod connecting shaft (801) is fastened to the outside of the rotating rod (8), and a crushing rod (802) is clamped on the rod connecting shaft (801).

3. The energy-saving multi-stage crusher for crushing cement raw materials as described in claim 1, characterized in that: The inner shell (2) has a set of T-shaped grooves on the square blocks on both sides, and a large screen (9) is installed in the T-shaped grooves on the square blocks on both sides of the inner shell (2).

4. The energy-saving multi-stage crusher for crushing cement raw materials as described in claim 1, characterized in that: The lower shell (3) has a set of semi-circular holes at the top and bottom. The bottom semi-circular holes of the middle shell (2) and the bottom semi-circular holes of the lower shell (3) are rotatably connected to a rotating rod (8), a rod connecting shaft (801), and a crushing rod (802). The square blocks on both sides of the lower shell (3) are provided with a set of T-shaped grooves, and a middle screen (901) is tightly connected to the T-shaped grooves on both sides of the lower shell (3).

5. The energy-saving multi-stage crusher for crushing cement raw materials as described in claim 1, characterized in that: The upper part of the discharge port shell (4) is provided with a semi-circular hole. The semi-circular hole at the upper part of the discharge port shell (4) is rotatably connected to the semi-circular hole at the bottom of the lower shell (3) with a rotating rod (8), a rod connecting shaft (801) and a crushing rod (802). The discharge port shell (4) is provided with two sets of T-shaped grooves inside, and a small screen (902) is fitted into the T-shaped groove inside the discharge port shell (4).

6. The energy-saving multi-stage crusher for crushing cement raw materials as described in claim 1, characterized in that: Three sets of transmission belts (502) are rotatably connected to the small pulley (501), and the small pulley (501) is rotatably connected to the inner annular groove of the middle pulley (503), the large pulley (504), and the lower pulley (505) through the transmission belts (502).

Images