Conical pre-crushing feeder

Abstract

The utility model relates to the technical field of crushing feeders, and provides a conical pre-crushing feeder which comprises a rack and is characterized in that the rack comprises four supporting legs, a carrying table is fixedly arranged at the upper ends of the four supporting legs, a rectangular opening is formed in the middle of the carrying table, the inner side of the rectangular opening is connected with a pre-crushing hopper, and the inner side of the pre-crushing hopper is connected with a feeding hopper. A feeding hopper cover plate is arranged at the upper end of the pre-crushing hopper, a feeding port is formed in the upper surface of the feeding hopper cover plate, a crushing assembly is arranged in the center of the feeding hopper cover plate, and a discharging port is formed in the lower end of the pre-crushing hopper. According to the utility model, the aperture of the feeding hole is increased, so that materials are convenient to pour in, large materials are conveyed and extruded through the matching of the spiral blade and the circular grating and finally fall out of the falling hole, the screw distance is customized by combining the specification and the size of the materials, and the circular grating of the blanking hole is used as a stator for crushing the materials; massive materials are crushed through extrusion cutting, so that the crushing effect is greatly improved, and the labor intensity of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of crushing feeders, and in particular to a conical pre-crushing feeder. Background Art

[0002] In material processing, crusher is a common equipment, and its main function is to break large pieces of material into smaller particles for subsequent processing or treatment. However, the existing crusher design still has some shortcomings.

[0003] First, the feed cone bucket design of the existing crusher is relatively small, which makes it easy for materials to spill during the dumping process. The spilling of materials not only causes material waste, but also may pollute the surrounding environment, and also increase the cleaning workload of operators.

[0004] Secondly, the existing spiral feed port size is also relatively small, which limits the size of materials that can enter the crusher, usually requiring the material size to be less than 1cm. This design is an obvious bottleneck for large particles, because large particles easily cause accumulation at the feed port. When the material accumulates, the feeding process cannot proceed smoothly, which not only reduces the efficiency of the crusher, but also may require frequent shutdowns for cleaning, increasing maintenance costs.

[0005] Furthermore, if the hardness of the feed particles is not high but the particles are large, the existing crusher design often requires manual continuous squeezing and feeding. This operation mode not only reduces the feed speed, but also significantly increases the labor intensity of workers. Long-term operation may cause fatigue or even injury to workers.

[0006] Therefore, a conical pre-crushing feeder is provided to solve the above problems. Utility Model Content

[0007] The utility model provides a conical pre-crushing feeder, which solves the problems of the existing crusher having a small feeding cone bucket, easy spilling of materials, accumulation of materials and the need for manual extrusion, etc.

[0008] The technical solution of the utility model is as follows: it includes a frame, characterized in that the frame includes four legs, the upper ends of the four legs are fixedly provided with a carrying platform, the middle of the carrying platform is provided with a rectangular opening, the inner side of the rectangular opening is connected to a pre-crushing hopper, the upper end of the pre-crushing hopper is provided with a lower hopper cover plate, the upper surface of the lower hopper cover plate is provided with a feeding port, a crushing assembly is provided in the center of the lower hopper cover plate, and the lower end of the pre-crushing hopper is provided with a lowering port.

[0009] As a preferred technical solution of the utility model, the pre-crushing hopper is wedge-shaped, and the surface of the pre-crushing hopper is in contact with the inner side of the rectangular opening.

[0010] As a preferred technical solution of the utility model, the feed opening is circular, and a plurality of grids are radially arranged inside the feed opening, and the plurality of grids are connected to the same circular ring.

[0011] As a preferred technical solution of the utility model, the crushing assembly includes a reduction motor, a motor fixing plate, a main shaft and spiral blades. The motor fixing plate is fixedly connected to the upper surface of the lower hopper cover plate, and the upper end of the motor fixing plate is fixedly installed with a reduction motor. The output end of the reduction motor passes through the motor fixing plate and the lower hopper cover plate and is coaxially connected to the main shaft. The main shaft is fixedly connected with a spiral blade, and one end of the main shaft is placed inside the circular ring.

[0012] The working principle and beneficial effects of the utility model are:

[0013] Specifically, in the practical process, the material is first poured into the pre-crushing hopper through the feed port, and then the reduction motor is started. The spiral blades are driven to rotate by the reduction motor to continuously transport the material to the lower feed port. The closer the material is to the lower feed port, the easier it is for the material to accumulate. At this time, the material falls out of the lower feed port after being transported and squeezed by the spiral blades and the grille, which greatly improves the crushing effect and reduces the labor intensity of workers. The utility model increases the diameter of the feed port to facilitate the pouring of materials. Large pieces of material are transported and squeezed by the cooperation of the spiral blades and the circular grille and finally fall out of the drop port. The screw spacing is customized by combining the specifications of the material. The circular grille of the lower feed port serves as a stator for crushing the material. Large pieces of material are crushed by extrusion and cutting, which greatly improves the crushing effect and reduces the labor intensity of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is a top view of the utility model;

[0017] Figure 3 It is the front view of the utility model;

[0018] Figure 4 It is a schematic diagram of the feeding port of the utility model;

[0019] In the figure: 1. frame; 2. support legs; 3. loading platform; 4. rectangular opening; 5. pre-crushing hopper; 6. lower hopper cover; 7. feeding port; 8. crushing assembly; 801. reduction motor; 802. motor fixing plate; 803. main shaft; 804. spiral blade; 9. lower feeding port; 10. grille; 11. circular ring. DETAILED DESCRIPTION

[0020] The following will be combined with 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 of 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.

[0021] Example

[0022] like Figure 1-4 As shown, the present embodiment proposes a conical pre-crushing feeder, comprising a frame 1, the frame 1 comprising four legs 2, the upper ends of the four legs 2 are fixedly provided with a carrying platform 3, the middle part of the carrying platform 3 is provided with a rectangular opening 4, the inner side of the rectangular opening 4 is connected with a pre-crushing hopper 5, the pre-crushing hopper 5 is wedge-shaped, the lower end of the pre-crushing hopper 5 can be directly inserted into the rectangular opening 4, so that the surface of the pre-crushing hopper 5 contacts the inner side of the rectangular opening 4, at this time, the pre-crushing hopper 5 can be stably placed, the upper end of the pre-crushing hopper 5 is provided with a lower hopper cover plate 6, the upper surface of the lower hopper cover plate 6 is provided with a feeding port 7, the center of the lower hopper cover plate 6 is provided with a crushing component 8, the lower end of the pre-crushing hopper 5 is provided with a lower material port 9, the lower material port 9 is circular, and a plurality of grids 10 are radially arranged inside the lower material port 9, the grids 10 cooperate with the crushing component 8 to continuously extrude and feed, the plurality of grids 10 are connected to the same circular ring 11, and the particle size of the pre-crushed granular material is controlled by setting the grids 10.

[0023] Furthermore, the crushing assembly 8 includes a reduction motor 801, a motor fixing plate 802, a main shaft 803 and a spiral blade 804. The motor fixing plate 802 is fixedly connected to the upper surface of the lower hopper cover plate 6. The reduction motor 801 is fixedly installed on the upper end of the motor fixing plate 802. The output end of the reduction motor 801 passes through the motor fixing plate 802 and the lower hopper cover plate 6 and is coaxially connected to the main shaft 803. The spiral blade 804 is fixedly connected to the main shaft 803. One end of the main shaft 803 is placed inside the ring 11. , to prevent the main shaft 803 from being eccentric, the main shaft 803 is driven to rotate by the reduction motor 801. The reduction motor 801 is equipped with a speed regulator, and the speed is 30-60rpm. The spiral blade 804 on the main shaft 803 also rotates at the same time, so that the material is continuously transported to the lower material port 9. The closer the material is to the lower material port 9, the easier it is for the material to accumulate. At this time, the material is transported and squeezed by the spiral blade 804 and the grille 10 and then falls out of the lower material port 9, which greatly improves the crushing effect and reduces the labor intensity of workers.

[0024] Specifically, in the practical process, the material is first poured into the pre-crushing hopper 5 through the feed port 7, and then the reduction motor 801 is started. The spiral blade 804 is driven to rotate by the rotation of the reduction motor 801, and the material is continuously conveyed to the lower feed port 9. The closer the material is to the lower feed port 9, the easier it is for the material to accumulate. At this time, the material falls out of the lower feed port 9 after being conveyed and squeezed by the spiral blade 804 and the grille 10, which greatly improves the crushing effect and reduces the labor intensity of workers. The utility model increases the diameter of the feed port 7 to facilitate the pouring of materials. The large pieces of materials are conveyed and squeezed by the cooperation of the spiral blades and the circular grille 10 and finally fall out of the lower feed port 9. The screw spacing is customized by combining the specifications of the materials. The circular grille 10 of the lower feed port 9 serves as a stator for crushing the material. The large pieces of materials are crushed by extrusion and cutting, which greatly improves the crushing effect and reduces the labor intensity of workers.

[0025] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A conical pre-crushing feeder, comprising a frame (1), characterized in that: The frame (1) comprises four legs (2), a carrying platform (3) is fixedly provided at the upper ends of the four legs (2), a rectangular opening (4) is provided in the middle of the carrying platform (3), a pre-crushing hopper (5) is connected to the inner side of the rectangular opening (4), a lower hopper cover plate (6) is provided at the upper end of the pre-crushing hopper (5), a feed inlet (7) is provided on the upper surface of the lower hopper cover plate (6), a crushing assembly (8) is provided in the center of the lower hopper cover plate (6), and a feed inlet (9) is provided at the lower end of the pre-crushing hopper (5); The material discharge port (9) is circular, and a plurality of grids (10) are radially arranged inside the material discharge port (9), and the plurality of grids (10) are all connected to the same circular ring (11).

2. A conical pre-crushing feeder according to claim 1, characterized in that: The pre-crushing hopper (5) is wedge-shaped, and the surface of the pre-crushing hopper (5) is in contact with the inner side of the rectangular opening (4).

3. A conical pre-crushing feeder according to claim 1, characterized in that: The crushing assembly (8) comprises a reduction motor (801), a motor fixing plate (802), a main shaft (803) and a spiral blade (804); the motor fixing plate (802) is fixedly connected to the upper surface of the lower hopper cover plate (6); the reduction motor (801) is fixedly installed on the upper end of the motor fixing plate (802); the output end of the reduction motor (801) passes through the motor fixing plate (802) and the lower hopper cover plate (6) and is coaxially connected to the main shaft (803); the spiral blade (804) is fixedly connected to the main shaft (803); and one end of the main shaft (803) is placed inside the circular ring (11).

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