Graded crushing device

Abstract

The utility model provides a graded crushing device which comprises a rack, a first-stage crushing mechanism is arranged on the rack, a second-stage crushing mechanism communicated with the first-stage crushing mechanism is arranged on the lower portion of the first-stage crushing mechanism, and the second-stage crushing mechanism comprises a material guide cylinder arranged on the lower portion of the first-stage crushing mechanism and communicated with the first-stage crushing mechanism. A spiral conveying blade is rotationally arranged in the material guiding barrel, a plurality of smashing cutter plates are evenly distributed on the inner side wall of the material guiding barrel and matched with the rotating spiral conveying blade to conduct secondary smashing on materials, a servo motor is arranged on the material guiding barrel, and the end of an output shaft of the servo motor is in transmission connection with a fixing shaft of the spiral conveying blade. According to the utility model, materials crushed by the primary crushing mechanism can be conveyed while being subjected to secondary crushing operation through the secondary crushing mechanism, so that the crushing efficiency and the conveying and collecting efficiency of the crushed materials are greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of crushing equipment, in particular to a graded crushing device. Background Art

[0002] Natural sand and gravel are non-renewable resources in the short term. With the rapid development of my country's infrastructure construction, natural sand and gravel are almost exhausted. The mining of sand and gravel has caused devastating damage to resources and the environment. Due to many factors such as flood control, environmental protection, and resources, many cities have banned the use of natural sand. Rocks, ores and other stones can be crushed into industrial sand to replace natural sand.

[0003] At present, most sand and gravel manufacturing uses crushers for crushing. Crusher has good crushing effect and high crushing efficiency. However, due to the different sizes of stones for sand making, some stones need to be crushed multiple times before they can become usable sand and gravel. Therefore, users are required to transfer the stones to crushers of different levels for crushing. Traditional graded crushing devices cannot realize automatic transportation and collection of crushed materials during the crushing operation, which greatly reduces the collection efficiency of crushed materials. Utility Model Content

[0004] In view of this, the utility model provides a grading crushing device, which can realize secondary crushing of the material crushed by the primary crushing mechanism through the secondary crushing mechanism and realize its conveying operation at the same time, solving the problem that the traditional grading crushing device cannot realize automatic conveying and collection of the crushed material during the crushing operation, which greatly reduces the collection efficiency of the material crushed by the crushing device.

[0005] The crushing mechanism is a kind of material crushing mechanism that is designed to crush the raw materials into powder by the crushing mechanism, and the crushing mechanism is a kind of material crushing mechanism that is designed to crush the raw materials into powder by the crushing mechanism.

[0006] The primary crushing mechanism comprises a feeding hopper arranged on the frame, a crushing barrel is arranged at the lower part of the feeding hopper, a driving motor is arranged on the outer side wall of the crushing barrel, a crushing roller is arranged at the output shaft end of the driving motor, a plurality of crushing blades with different lengths are arranged on the outer side wall of the crushing roller at intervals, a material blocking plate is arranged on the side wall of the crushing barrel, and a through slot is formed on the material blocking plate and matched with the crushing blade.

[0007] The upper part of the material blocking plate is arranged on the inner side wall of the upper part of the feeding hopper in an inclined manner.

[0008] The guide cylinder is arranged on the lower part of the frame in an inclined manner, the feeding port is arranged on the upper part of one end of the guide cylinder, and the discharging port is arranged on the lower part of the other end of the guide cylinder.

[0009] The feeding port of the guide cylinder is communicated with the discharging port of the crushing barrel.

[0010] A transparent observation window is arranged on the side wall of the guide cylinder.

[0011] The upper part of the feeding hopper is hingedly arranged with a sealing door, a handle is arranged on the sealing door, and a hanging rod for hanging the handle is arranged on the frame, the sealing door can be opened by the operator holding the handle, the handle can be hung on the hanging rod after the sealing door is opened, and then the feeding operation of the material to be crushed can be performed, after the feeding is completed, the operator holds the handle to cover the sealing door on the feeding hopper again, so that the splashing of the crushed material can be avoided, and the dust generated during the crushing process of the crushing mechanism can also be blocked, which is more safe and environmentally friendly.

[0012] Compared with the prior art, the present application has at least one of the following beneficial technical effects:

[0013] 1、the output shaft of the driving motor can drive the crushing roller and the crushing blades to rotate together, thereby realizing the full and efficient crushing of the material on the material blocking plate, the crushing blades with different lengths can realize the preliminary crushing of the material with different particle sizes, the crushing efficiency of the material is greatly improved, the output shaft of the servo motor in the secondary crushing mechanism drives the spiral conveying blade to rotate, realizes the conveying of the crushed material of the crushing mechanism, cooperates with the crushing blade on the inner side wall of the guide cylinder, realizes the secondary crushing of the crushed material of the primary crushing mechanism and the conveying operation, greatly improves the crushing efficiency, the conveying and collection efficiency of the crushed material, solves the problem that the traditional grading crushing device cannot realize the automatic conveying and collection of the crushed material during the crushing operation, and greatly reduces the collection efficiency of the crushed material of the crushing device.

[0014] 2、The utility model discloses can carry out preliminary filtering operation to the material that enters the smashing box through the filter plate of inclination setting, and the material with the diameter less than the mesh diameter on the filter plate can directly pass through the filter plate and enter the secondary crushing mechanism, and through starting the secondary crushing mechanism, the high -efficient smashing operation is realized to it, and the material with the diameter greater than the mesh diameter on the filter plate can fall down to the material baffle on the first -level crushing mechanism and carry out the high -efficient smashing operation, and operation is more convenient and efficient.

[0015] 3、The utility model discloses can realize the guide operation to the material that filters out through the filter plate and the material that the first -level crushing mechanism is smashed to complete through the feed inlet of guide material cylinder, make it enter the guide material cylinder through the feed inlet smoothly, and carry out secondary crushing operation with the cooperation of the crushing blade on the inner side wall of guide material cylinder when being transported by the spiral conveying blade of rotation, and operation is more convenient.

[0016] 4、The utility model discloses can through transparent observation window real -time viewing the transport and secondary crushing condition of the material in guide material cylinder, more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure diagram of the utility model hierarchical crushing device with transparent observation window;

[0018] Figure 2 It is the structure diagram of the utility model hierarchical crushing device without transparent observation window;

[0019] Figure 3 It is the structure diagram of the utility model hierarchical crushing device without transparent observation window; Figure 2 It is the structure enlarged view of A place in the utility model;

[0020] Figure 4 It is the structure enlarged view of A place in the utility model; Figure 3 It is the structure enlarged view of A place in the utility model.

[0021] Figure legend: 100, rack;200, first -level crushing mechanism;201, feed hopper;202, crushing barrel;203, drive motor;204, crushing roller;205, crushing blade;206, material baffle;207, through slot;300, secondary crushing mechanism;301, guide material cylinder;302, spiral conveying blade;303, servo motor;304, feed inlet;305, discharge port;306, transparent observation window;307, crushing blade;400, filter plate;500, sealing door;600, hanging rod. DETAILED DESCRIPTION

[0022] To make the purpose, technical scheme and advantage of the utility model embodiment more clear, below will combine the drawings of the utility model embodiment and specifically describe the utility model embodiment. Figures 1-4The technical solutions of the embodiments of the present application are clearly and completely described.

[0023] As shown in Figures 1-4 The embodiment provides a hierarchical crushing device, which comprises a rack 100, a primary crushing mechanism 200 arranged on the rack 100, a secondary crushing mechanism 300 arranged at the lower part of the primary crushing mechanism 200 and communicated with the primary crushing mechanism 200, a material guiding cylinder 301 arranged at the lower part of the primary crushing mechanism 200 and communicated with the primary crushing mechanism 200, spiral conveying blades 302 rotatably arranged in the material guiding cylinder 301, a plurality of crushing blade plates 307 uniformly arranged on the inner side wall of the material guiding cylinder 301, the crushing blade plates 307 cooperating with the rotating spiral conveying blades 302 to perform secondary crushing on the material, a servo motor 303 arranged on the material guiding cylinder 301, an output shaft end of the servo motor 303 being in transmission connection with a fixed shaft of the spiral conveying blades 302, and the output shaft of the servo motor 303 being in transmission connection with the fixed shaft of the spiral conveying blades 302 through a speed reducer. The hierarchical crushing device can realize secondary crushing and conveying of the material crushed by the primary crushing mechanism 200 at the same time, greatly improves the crushing efficiency and the conveying and collecting efficiency of the crushed material, and solves the problems that the traditional hierarchical crushing device needs to repeatedly crush the material in the crushing process, cannot realize automatic conveying and collecting of the crushed material, and greatly reduces the collecting efficiency of the crushed material.

[0024] According to one embodiment of the present application, as Figures 1-4As shown, the primary crushing mechanism 200 includes a feeding hopper 201 arranged on the rack 100, the lower part of the feeding hopper 201 is provided with a crushing barrel 202, the outer side wall of the crushing barrel 202 is provided with a driving motor 203, the output shaft end of the driving motor 203 is provided with a crushing roller 204, the output shaft of the driving motor 203 is drivingly connected with the crushing roller 204 through a bearing, a plurality of crushing blades 205 of different lengths are arranged on the outer side wall of the crushing roller 204 at intervals, a material blocking plate 206 is arranged on the side wall of the crushing barrel 202, the material blocking plate 206 is made of a steel plate material that is good in rigidity and is subjected to a quenching and tempering treatment, a through slot 207 that is matched with the crushing blade 205 is formed in the material blocking plate 206, the output shaft of the driving motor 203 can drive the crushing roller 204 and the crushing blade 205 to rotate, thereby achieving a full and efficient crushing operation on the material on the material blocking plate 206, the crushing blades 205 of different lengths can achieve a preliminary primary crushing operation on the material of different particle sizes, and the crushing efficiency of the material is greatly improved.

[0025] According to another embodiment of the present application, as shown in Figure 1 and Figure 3 As shown, the upper part of the material blocking plate 206 is provided with a filter plate 400, the filter plate 400 is a steel plate, and the upper part of the filter plate 400 is obliquely arranged on the inner side wall of the upper part of the feeding hopper 201, the filter plate 400 can perform a preliminary filtering operation on the material entering the crushing box, the material with a diameter smaller than the diameter of the mesh holes on the filter plate 400 can directly pass through the filter plate 400 and enter the secondary crushing mechanism, the efficient crushing operation on the material can be achieved by starting the secondary crushing mechanism 300, the material with a diameter greater than the diameter of the mesh holes on the filter plate 400 can fall onto the material blocking plate 206 and be subjected to an efficient crushing operation by the primary crushing mechanism 200, and the operation is more convenient and efficient.

[0026] According to another embodiment of the present application, as shown in Figure 1 and Figure 2 As shown, the guide cylinder 301 is obliquely arranged on the lower part of the rack 100, one end of the upper part of the guide cylinder 301 is provided with a feeding port 304, and the other end of the lower part of the guide cylinder 301 is provided with a discharging port 305, the feeding port 304 of the guide cylinder 301 can guide the material filtered by the filter plate 400 and the material crushed by the primary crushing mechanism 200 to smoothly enter the guide cylinder 301 through the feeding port 304, and the material is subjected to a secondary crushing operation by the crushing blade plate 307 on the inner side wall of the guide cylinder 301 while being conveyed by the rotating spiral conveying blade 302, and the operation is more convenient.

[0027] According to another embodiment of the present application, as shown in Figure 1 and Figure 4As shown, the feed inlet 304 of the guide cylinder 301 is communicated with the discharge port of the crushing barrel 202.

[0028] A transparent observation window 306 is arranged on the sidewall of the guide cylinder 301, the transparent observation window 306 should be made of light-transmitting tempered glass material, the present application can realize real-time observation of the conveying and secondary crushing of the material in the guide cylinder 301 through the transparent observation window 306, which is more convenient.

[0029] A sealing door 500 is hingedly arranged on the upper portion of the feed hopper 201, the sealing door 500 is provided with a handle, and the rack 100 is provided with a hanging rod 600 for hanging the handle, the present application can open the sealing door 500 by the operator holding the handle, then hang the handle on the hanging rod 600, and then carry out the feeding operation of the material to be crushed, after the feeding is completed, the operator holds the handle to re-cover the sealing door 500 on the feed hopper 201, which can avoid the splashing of the crushed material, and also can block the dust during the crushing process of the crushing mechanism, which is more safe and environmentally friendly.

[0030] The use method of the present application is as follows:

[0031] First, it needs to be clear that the classification crushing device involved in the utility model is mainly used for the classification crushing operation of blocky materials, and the utility model takes the crushing of stone blocks for sand making machine as an example to elaborate its use method in detail. When the stone blocks need to be crushed, the operator starts the output shaft of the driving motor 203 to rotate, and then pours the stone blocks to be crushed into the crushing barrel 202 through the feed hopper 201. The material entering the crushing box is preliminarily filtered through the inclined filter plate 400. The material with a diameter smaller than the mesh diameter of the filter plate 400 will directly enter the secondary crushing mechanism, and the high-efficiency crushing operation is realized by starting the secondary crushing mechanism 300. The material with a diameter larger than the mesh diameter of the filter plate 400 will fall onto the blocking plate 206 and be subjected to high-efficiency crushing operation by the primary crushing mechanism 200. The rotation of the output shaft of the driving motor 203 drives the crushing roller 204 and the crushing blade 205 to rotate, thereby realizing the full and efficient crushing operation of the material on the blocking plate 206. The long and short crushing blades 205 can realize the preliminary primary crushing operation of the material with different particle sizes, greatly improving the crushing efficiency of the material. The rotation of the output shaft of the servo motor 303 in the secondary crushing mechanism 300 drives the spiral conveying blade 302 to rotate, realizes the conveying of the crushed material, and cooperates with the crushing knife plate 307 on the inner wall of the guide cylinder 301 to realize the secondary crushing operation of the crushed material of the primary crushing mechanism 200, greatly improving the crushing efficiency and the conveying and collection efficiency of the crushed material. The problem of the traditional classification crushing device that cannot realize the automatic conveying and collection operation of the crushed material during the crushing operation is solved, and the collection efficiency of the crushed material of the crushing device is greatly improved

[0032] In addition, it should be noted that in the description of the utility model, unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection, it can be mechanical connection, or electrical connection, it can be direct connection, or indirect connection through intermediate medium, it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0033] The above is the preferred embodiment of the utility model, and it should be pointed out that for ordinary technical personnel in the technical field, without departing from the principle of the utility model, some improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection range of the utility model.

Claims

1. A grading crushing device, comprising a frame (100), characterized in that: The frame (100) is provided with a primary crushing mechanism (200), and a secondary crushing mechanism (300) is provided at the lower part of the primary crushing mechanism (200) and is in communication with the primary crushing mechanism (200). The secondary crushing mechanism (300) comprises a material guide cylinder (301) provided at the lower part of the primary crushing mechanism (200) and in communication with the primary crushing mechanism (200), wherein a spiral conveying blade (302) is provided in rotation inside the material guide cylinder (301), and a plurality of crushing blades (307) are evenly distributed on the inner side wall of the material guide cylinder (301), and the crushing blades (307) cooperate with the rotating spiral conveying blades (302) to perform secondary crushing on the material. A servo motor (303) is provided on the material guide cylinder (301), and the output shaft end of the servo motor (303) is in transmission connection with the fixed shaft of the spiral conveying blade (302).

2. The grading crushing device according to claim 1, characterized in that: The primary crushing mechanism (200) comprises a feed hopper (201) arranged on a frame (100); a crushing barrel (202) is arranged at the lower part of the feed hopper (201); a driving motor (203) is arranged on the outer wall of the crushing barrel (202); a crushing roller (204) is arranged at the end of the output shaft of the driving motor (203); a plurality of crushing blades (205) of different lengths are arranged at intervals on the outer wall of the crushing roller (204); a material blocking plate (206) is arranged on the side wall of the crushing barrel (202); and a through slot (207) adapted to the crushing blade (205) is opened on the material blocking plate (206).

3. The grading crushing device according to claim 2, characterized in that: A filter plate (400) is provided on the upper portion of the material blocking plate (206), and the upper portion of the filter plate (400) is obliquely provided on the upper inner side wall of the feed hopper (201).

4. The grading crushing device according to claim 3, characterized in that: The material guide cylinder (301) is tiltedly arranged at the lower part of the frame (100), and a feed port (304) is arranged at the upper part of one end of the material guide cylinder (301), and a discharge port (305) is arranged at the lower part of the other end of the material guide cylinder (301).

5. The grading crushing device according to claim 4, characterized in that: The feed port (304) of the material guide cylinder (301) is communicated with the discharge port of the crushing barrel (202).

6. The classification crushing device according to claim 5, characterized in that: A transparent observation window (306) is provided on the side wall of the material guiding cylinder (301).

7. The classification crushing device according to claim 6, characterized in that: A sealing door (500) is hingedly provided on the upper portion of the feed hopper (201), a handle is provided on the sealing door (500), and a hanging rod (600) for hanging the handle is provided on the frame (100).

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