Multi-stage composite crushing device

Abstract

The utility model relates to the technical field of multi-stage crushing, and discloses a multi-stage composite crushing device which comprises a crushing bin, the top end of the crushing bin is connected with a feeding hopper, the bottom end of the feeding hopper is connected with an external protective shell, an inner ring of the feeding hopper is connected with a mounting frame, and the top end of the mounting frame is connected with a driving motor. And the output end of the driving motor penetrates through the mounting frame and is connected with a crushing frame through a coupling. By means of the multiple layers of crushing teeth and the extruding mechanism which are arranged inside, multi-side crushing can be carried out while materials fall, the crushing stroke is increased, the crushing effect can be improved, crushed small particles can be ground and crushed again through the spinning mechanism below, the crushing effect is further improved, and the crushing efficiency is improved. The whole device adopts the same driving part, so that composite crushing can be realized, the feeding range is enlarged by the feeding hopper at the upper part, and blockage can be effectively avoided in a selected state of the crushing frame.

Description

Technical Field

[0001] This utility model relates to the field of multi-stage crushing technology, specifically a multi-stage composite crushing device. Background Technology

[0002] A multi-stage compound crushing device is a mechanical device that crushes materials in multiple stages. It is usually composed of multiple crushing units with different crushing principles. Through the cooperation of multiple crushing stages, this device can effectively crush large materials into smaller particles to meet the needs of different industrial production. It has a wide range of applications in many industrial fields that require material crushing.

[0003] Currently, the feeding hoppers of multi-stage crushing devices concentrate the materials to be crushed at a single feeding point. This feeding method easily causes material blockage, making feeding difficult, whether in jaw crushers or cone crushers. Moreover, current crushing methods can only crush larger particles into smaller ones. If finer powder is desired, the material needs to be collected again and processed in the crushing equipment, which cannot further meet the usage requirements.

[0004] The information disclosed in this background section is only intended to enhance the understanding of the background technology of this application, and therefore may include prior art that is not known to those skilled in the art. Utility Model Content

[0005] The purpose of this invention is to provide a multi-stage composite crushing device to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: It includes a crushing chamber, a feed hopper connected to the top of the crushing chamber, an outer protective shell connected to the bottom of the feed hopper, a mounting frame connected to the inner ring of the feed hopper, a drive motor connected to the top of the mounting frame, the output end of the drive motor passing through the mounting frame and connected to a crushing frame via a coupling, multiple sets of crushing teeth connected to the outer surface of the crushing frame and one side of the inner wall of the crushing chamber, a pressing mechanism connected to one side of the crushing frame and the crushing chamber, a connecting frame connecting the inner walls of the crushing frame, a telescopic rod connected to the top of the connecting frame, the output end of the telescopic rod passing through the connecting frame and connected to a lower pressure plate, a spinning mechanism connected to one side of the lower pressure plate, a discharge hopper connected to the bottom of the crushing chamber, a grinding plate connected to the inner side of the discharge hopper, and a discharge pipe connected to the bottom of the discharge hopper.

[0007] Preferably, there are multiple sets of crushing teeth, distributed vertically, and the extrusion mechanism is distributed and positioned between the crushing teeth.

[0008] Preferably, a support frame is connected to the bottom of the outer protective shell, and sound insulation cotton is filled between the outer protective shell and the crushing chamber.

[0009] Preferably, the extrusion mechanism includes a slot on one side of the crushing frame and crushing chamber, a guide rod is slidably disposed on one side of the slot, a crushing head is connected to one end of each guide rod that is close to each other, and a compression spring is sleeved and connected to the other end of the guide rod. One end of the compression spring is fixedly disposed to the guide rod, and the other end is fixedly connected to the corresponding crushing frame and crushing chamber.

[0010] Preferably, the spinning mechanism includes four connecting rods slidably disposed on one side of the lower pressure plate. The bottom end of each connecting rod passes through the crushing frame and is connected to a grinding head. A traction spring is sleeved between the top end of each connecting rod and the lower pressure plate.

[0011] Preferably, the bottom surface of the grinding head is provided with a plurality of grinding teeth, the grinding teeth are located directly above the grinding plate, and a feeding hole is provided at the center of the grinding plate.

[0012] Preferably, the bottom end of the crushing frame is connected to a connecting shaft, the bottom end of the connecting shaft extends through into the feed pipe, and is connected to a feed auger.

[0013] In summary, this application includes the following beneficial technical effects:

[0014] The internally designed multi-layer crushing teeth and extrusion mechanism can crush materials from multiple sides as they fall, increasing the crushing stroke and improving the crushing effect. Furthermore, the lower spinning mechanism can further grind and pulverize the already crushed small particles, further enhancing the crushing effect. The entire system uses the same drive component, enabling compound crushing. The upper feed hopper increases the feeding range and effectively prevents clogging when the crusher is in the selected state. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of a multi-stage composite crushing device according to the present invention;

[0016] Figure 2 This is a side sectional view of a multi-stage composite crushing device according to the present invention.

[0017] Figure 3 for Figure 2 Enlarged structural diagram of section A;

[0018] Figure 4 This is a schematic diagram of the spinning mechanism in a multi-stage composite crushing device according to the present invention;

[0019] Figure 5 This is a partial structural diagram of a multi-stage composite crushing device according to the present invention.

[0020] In the diagram: 1. Crushing chamber; 2. External protective shell; 3. Feed hopper; 4. Mounting frame; 5. Drive motor; 6. Crushing frame; 7. Crushing teeth; 8. Mounting slot; 9. Guide rod; 10. Crushing head; 11. Compression spring; 12. Connecting frame; 13. Telescopic rod; 14. Lower pressure plate; 15. Connecting rod; 16. Grinding head; 161. Grinding teeth; 17. Traction spring; 18. Discharge hopper; 19. Grinding plate; 20. Discharge pipe; 21. Coupling shaft; 22. Discharge auger; 23. Support frame. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-5 This utility model provides a technical solution: It includes a crushing chamber 1, a feed hopper 3 connected to the top of the crushing chamber 1, an outer protective shell 2 connected to the bottom of the feed hopper 3, a mounting frame 4 connected to the inner ring of the feed hopper 3, a drive motor 5 connected to the top of the mounting frame 4, the output end of the drive motor 5 passing through the mounting frame 4 and connected to a crushing frame 6 via a coupling, multiple sets of crushing teeth 7 connected to the outer surface of the crushing frame 6 and one side of the inner wall of the crushing chamber 1, and a compression mechanism connected to both the crushing frame 6 and one side of the crushing chamber 1. The inner walls of the crushing frame 6 are... A connecting frame 12 is provided, with a telescopic rod 13 connected to the top of the connecting frame 12. The output end of the telescopic rod 13 passes through the connecting frame 12 and is connected to a lower pressure plate 14. A spinning mechanism is connected to one side of the lower pressure plate 14. A discharge hopper 18 is connected to the bottom of the crushing chamber 1. A grinding plate 19 is connected to the inside of the discharge hopper 18. A discharge pipe 20 is connected to the bottom of the discharge hopper 18. A connecting shaft 21 is connected to the bottom of the crushing frame 6. The bottom end of the connecting shaft 21 extends through the discharge pipe 20 and is connected to a discharge auger 22. It can be connected to the attached... Figure 2 It can be seen that a fixed frame is installed inside the feed tube 20, and one end of the connecting shaft 21 is rotatably connected to the fixed frame;

[0023] Reference Figure 2 and Figure 5 As shown, there are multiple sets of crushing teeth 7, distributed vertically, and the extrusion mechanism is distributed between the crushing teeth 7. When the material to be crushed enters the device, the extrusion mechanism can cooperate with the crushing teeth 7 to crush the material.

[0024] Reference Figure 1 and Figure 2The outer protective shell 2 is connected to a support frame 23 at its bottom end, and sound insulation cotton is filled between the outer protective shell 2 and the crushing chamber 1. When crushing is carried out between the crushing chamber 1 and the crushing frame 6, the sound insulation cotton between the crushing chamber 1 and the protective shell 2 can effectively reduce the spread of noise and reduce the impact on the environment.

[0025] Reference Figure 3 As shown, the extrusion mechanism includes a slot 8 located on one side of the crushing frame 6 and the crushing chamber 1. A guide rod 9 is slidably arranged on one side of the slot 8. A crushing head 10 is connected to one end of each guide rod 9 that is close to each other. A compression spring 11 is sleeved and connected to the other end of the guide rod 9. One end of the compression spring 11 is fixedly set to the guide rod 9, and the other end is fixedly connected to the corresponding crushing frame 6 and crushing chamber 1. The compression spring 11 pulls the crushing head 10 to move towards the corresponding crushing tooth 7 through the guide rod 9. When the material enters, the internally rotating crushing frame 6 and the externally fixed extrusion mechanism on one side of the crushing chamber 1 can cooperate with the crushing tooth 7 to crush the material. As can be seen from the attached figure, the four sides of the crushing head 10 are chamfered, and one side is provided with multiple crushing teeth to ensure the crushing effect. Since this is a conventional setting, it is not described in detail in the instruction manual.

[0026] Reference Figure 2 As shown, the spinning mechanism includes four connecting rods 15 slidably disposed on one side of the lower pressure plate 14. The bottom end of the connecting rod 15 passes through the crushing frame 6 and is connected to the grinding head 16. A traction spring 17 is sleeved between the top end of the connecting rod 15 and the lower pressure plate 14. The telescopic rod 13 pushes the lower pressure plate 14 down, thereby driving the spinning mechanism down. Through the extrusion between the grinding head 16 and the grinding plate 19, the spinning mechanism rotates with the crushing frame 6 to crush the material falling onto the grinding plate 19. When the telescopic rod 13 extends and pushes the grinding head 16 down, the sliding connecting rod 15 can prevent the grinding head 16 from putting too much pressure on the grinding plate 19, while maintaining the grinding effect. The traction spring 17 and the extrusion spring 11 in the extrusion mechanism are both springs with a large stiffness coefficient.

[0027] Reference Figure 4 As shown, the bottom surface of the grinding head 16 is provided with multiple grinding teeth 161, which are located directly above the grinding plate 19. A feeding hole is provided at the center of the grinding plate 19. The grinding teeth 161 can greatly improve the crushing or pulverizing effect. The ground and pulverized material can fall into the feeding pipe 20 through the feeding hole and then be discharged through the rotating 22.

[0028] The implementation principle of this application is as follows: When this utility model is in use, the drive motor 5 is turned on, which drives the crushing frame 6 to rotate and pours the material into the device along the feed hopper 3. The feed hopper 3 is arranged in a ring shape, which can greatly reduce the blockage. After the material enters the device, through the cooperation between the various extrusion mechanisms and the crushing teeth 7, the material is crushed by the multi-layer crushing teeth 7 and the extrusion mechanism as it falls downward. The crushed material falls onto the grinding plate 19, and then the telescopic rod 13 extends to push the spinning mechanism to further grind the crushed material. During grinding, the finer powder will be discharged into the feed pipe 20 through the feed hole on the grinding plate 19 and discharged through the feed auger 22.

[0029] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multi-stage composite crushing device comprising a crushing chamber (1), characterized in that: The top end of the crushing bin (1) is connected with an inlet hopper (3), the bottom end of the inlet hopper (3) is connected with an external protective shell (2), the inner ring of the inlet hopper (3) is connected with a mounting frame (4), the top end of the mounting frame (4) is connected with a driving motor (5), the output end of the driving motor (5) penetrates through the mounting frame (4) and is connected with a crushing frame (6) through a shaft coupling, the outer surface of the crushing frame (6) and the inner wall of the crushing bin (1) are connected with a plurality of crushing teeth (7), the crushing frame (6) and the crushing bin (1) are connected with an extrusion mechanism, the inner wall of the crushing frame (6) is connected with a connecting frame (12), the top end of the connecting frame (12) is connected with a telescopic rod (13), the output end of the telescopic rod (13) penetrates through the connecting frame (12) and is connected with a pressing plate (14), one side of the pressing plate (14) is connected with a rotary pressing mechanism, the bottom end of the crushing bin (1) is connected with an outlet hopper (18), the inner side of the outlet hopper (18) is connected with a grinding plate (19), and the bottom end of the outlet hopper (18) is connected with a discharging pipe (20).

2. A multi-stage compound crushing device according to claim 1, characterized in that: The crushing teeth (7) are distributed in multiple groups and are distributed up and down, and the extrusion mechanism is arranged between the crushing teeth (7).

3. A multi-stage compound crushing device according to claim 1, characterized in that: The bottom end of the external protective shell (2) is connected with a supporting frame (23), and the external protective shell (2) and the crushing bin (1) are filled with sound insulation cotton.

4. A multi-stage compound crushing device according to claim 1, characterized in that: The extrusion mechanism comprises an insertion slot (8) formed in the side of the crushing frame (6) and the crushing bin (1), a guide rod (9) is slidably arranged on one side of the insertion slot (8), the mutually close ends of the guide rods (9) are connected with crushing heads (10), and the other ends of the guide rods (9) are connected with extrusion springs (11) in a sleeved mode, one end of each extrusion spring (11) is fixedly arranged on the guide rod (9), and the other end is fixedly connected with the corresponding crushing frame (6) and crushing bin (1).

5. A multi-stage compound crushing device according to claim 1, characterized in that: The rotary pressing mechanism comprises four connecting rods (15) slidably arranged on one side of the pressing plate (14), the bottom end of each connecting rod (15) penetrates through the crushing frame (6) and is connected with a grinding head (16), and a traction spring (17) is connected in a sleeved mode between the top end of each connecting rod (15) and the pressing plate (14).

6. A multi-stage compound crushing device according to claim 5, characterized in that: The bottom surface of the grinding head (16) is provided with a plurality of grinding teeth (161), the grinding teeth (161) are located directly above the grinding plate (19), and a discharging hole is formed in the center position of the grinding plate (19).

7. A multi-stage compound crushing device according to claim 1, characterized in that: The bottom end of the crushing frame (6) is connected with a connecting shaft (21), the bottom end of the connecting shaft (21) extends into the discharging pipe (20) and is connected with a discharging auger (22).

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