Stone crusher

Abstract

The utility model discloses a stone crusher and belongs to the field of stone crushing equipment. Comprising a crusher body, a crushing roller is arranged in the crusher body, and a plurality of crushing wheels are uniformly arrayed on the crushing roller along the axis; wherein guide strips are further arranged between the crushing wheels, the guide strips are fixed to the inner surface of the crusher body, and the side faces, close to the crushing rollers, of the guide strips are arc faces. The stone crushing device has the beneficial effects that guide strips are arranged between the crushing wheels, and the guide strips have the effects that when large-particle stone cannot fall, the large-particle stone can enter the position between the two crushing wheels along with rotation of the crushing wheels to be crushed, at the moment, a large amount of stone can be accumulated between the two crushing wheels, and crushing of the stone is inconvenient; and the arc surfaces of the guide strips of the device have the effect of guiding the stones, so that a large amount of stones can be prevented from being accumulated among the crushing wheels, and the stone crushing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a stone crusher and belongs to the field of stone crushing equipment. Background Art

[0002] With the development of construction, stones are needed on construction sites. Different parts of the building require different stones, and the sizes of stones used in different parts of the building are somewhat different. Most of the stones used in the traditional construction industry are ordinary-sized stones, and the requirements for the size of the stones are not strict enough.

[0003] The Chinese utility model patent with application number N202022969094.7 provides a high-efficiency waste stone crushing device; the device crushes the waste stone through a crushing mechanism, and the crushed waste stone flows evenly to the side wall of the conical groove through the diversion cone, and the grinding block is driven by the first drive motor to grind and crush the waste stone again, so that the waste stone is crushed more thoroughly, thereby improving the efficiency of waste stone crushing.

[0004] However, according to the drawings and description of the patent, the crushing teeth are still some distance away from the crushing chamber wall. When the first rotating shaft or the second rotating shaft rotates, the stone will come into the gap between the crushing teeth and the crushing chamber wall as the first rotating shaft or the second rotating shaft rotates. If the gap distance is too large, large particles of stone will fall. If the gap distance is too small, the crushing teeth will need to bring the stone back between the first rotating shaft and the second rotating shaft for crushing, which will affect the crushing efficiency.

[0005] The applicant believes that the above structure can be improved to further improve the crushing efficiency on the existing basis. Utility Model Content

[0006] The purpose of the utility model is to provide a stone crusher which can effectively solve the above-mentioned problems.

[0007] In order to solve the above technical problems, the utility model is achieved through the following technical solutions:

[0008] It comprises a crusher body, wherein a crushing roller is arranged in the crusher body, and a plurality of crushing wheels are evenly arrayed along the axis of the crushing roller; wherein guide strips are also arranged between the crushing wheels, the guide strips are fixed on the inner surface of the crusher body, and the side of the guide strip close to the crushing roller is arranged as an arc surface.

[0009] Furthermore: a plurality of crushing teeth are evenly distributed on the circumference of the crushing wheel, and the crushing teeth are connected to the crushing wheel by bolts.

[0010] Furthermore: an air extraction pipe is also arranged outside the crusher body, the end of the air extraction pipe is connected to the inside of the crusher body, and a filter is arranged at the end of the air extraction pipe.

[0011] Further: the air extraction pipeline is arranged below the crushing roller.

[0012] Furthermore: the crusher body includes a vertical section, a bending section and a horizontal section; the crushing roller and the air extraction pipe are installed in the vertical section; the bottom array of the bending section has multiple screening holes.

[0013] Furthermore: the number of the crushing rollers is set to two, and they are horizontally symmetrically arranged in the crusher body.

[0014] Further: a driving gear is arranged on one of the crushing rollers, a driven gear is arranged on the other crushing roller, the driving gear is meshed with the driven gear; and a driving motor is arranged on the driving gear.

[0015] The beneficial effects are:

[0016] In this device, a guide strip is arranged between the crushing wheels. The function of the guide strip is that when large-particle stones cannot fall, they will follow the rotation of the crushing wheels and enter between the two crushing wheels for crushing. At this time, a large amount of stones will accumulate between the two crushing wheels, which is not convenient for crushing the stones. The arc surface of the guide strip arranged in this device has a guiding effect on the stones, which can avoid a large amount of stones from accumulating between the crushing wheels, thereby improving the efficiency of stone crushing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] For ease of explanation, the present invention is described in detail by the following specific implementations and drawings.

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is a cross-sectional view of the utility model;

[0020] Figure 3 This is a diagram of the parts of the crushing wheel of the utility model.

[0021] Description of reference numerals:

[0022] 1. Crusher body; 11. Vertical section; 12. Bending section; 13. Horizontal section; 14. Screening hole; 2. Crushing roller; 3. Crushing wheel; 4. Guide strip; 5. Arc surface; 6. Crushing teeth; 7. Exhaust pipe; 8. Filter. DETAILED DESCRIPTION

[0023] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but cannot be understood as limiting the present invention.

[0024] It should be noted that, in the description of the present invention, unless otherwise specified, "plurality" means two or more; the terms "upper", "lower", "left", "right", "inside", "outside", "front end", "rear end", "head", "tail", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0025] Furthermore, the terms “first,” “second,” “third,” etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

[0026] At the same time, in the description of the present invention, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] See also Figure 1-3 This is an embodiment of a stone crusher of the utility model.

[0028] The crusher comprises a crusher body 1, in which a crushing roller 2 is arranged, and a plurality of crushing wheels 3 are evenly arranged along the axis of the crushing roller 2; wherein guide bars 4 are also arranged between the crushing wheels 3, the guide bars 4 are fixed on the inner surface of the crusher body 1, and the side of the guide bar 4 close to the crushing roller 2 is arranged as an arc surface 5.

[0029] When the crusher body 1 is in use, the stone to be crushed is poured into the crusher body 1, and the stone will contact the two crushing wheels 3; the crushing wheels 3 can rotate according to the rotation of the crushing roller 2, giving the stone a strong pressure to squeeze it, and crushing the large particles of stone into small particles. Then the small particles of stone will fall along the gap between the crushing wheels 3 and the gap between the crushing wheels 3 and the inner wall of the crusher body 1, completing the crushing of the stone.

[0030] In this device, a guide bar 4 is arranged between the crushing wheels 3. The function of the guide bar 4 is that when large-particle stones cannot fall, they will follow the rotation of the crushing wheels 3 and enter between the two crushing wheels 3 for crushing. At this time, a large amount of stones will accumulate between the two crushing wheels 3, which is not convenient for crushing the stones. The arc surface 5 of the guide bar 4 arranged in this device has a guiding effect on the stones, which can avoid a large amount of stones from accumulating between the crushing wheels 3, thereby improving the efficiency of stone crushing.

[0031] A plurality of crushing teeth 6 are evenly distributed on the circumference of the crushing wheel 3, and the crushing teeth 6 are connected to the crushing wheel 3 by bolts.

[0032] The crushing wheel 3 used in the device is not integrally formed, but is equipped with crushing teeth 6. This has the advantage that if the crushing teeth 6 are worn, they can be replaced immediately; compared with directly replacing a large-sized crushing wheel 3, the cost is lower.

[0033] An air extraction pipeline 7 is further provided outside the crusher body 1 , the end of the air extraction pipeline 7 is communicated with the inside of the crusher body 1 , and a filter screen 8 is provided at the end of the air extraction pipeline 7 .

[0034] When the device is crushing stones, a large amount of dust will be generated, and the dust will enter the air and affect the working environment of the workers. Therefore, an exhaust pipe 7 is set on the crusher body 1, and the exhaust pipe 7 can be used to extract the generated dust to prevent the dust from diffusing into the air and affecting the health of the workers.

[0035] An air extraction duct 7 is arranged below the crushing roller 2 .

[0036] The generated dust will be sucked away from the bottom of the crushing roller 2 and will not spread from the stone feeding port of the crusher body 1.

[0037] The crusher body 1 comprises a vertical section 11 , a bending section 12 and a horizontal section 13 ; the crushing roller 2 and the air extraction pipe 7 are installed in the vertical section 11 ; and a plurality of screening holes 14 are arranged in an array at the bottom of the bending section 12 .

[0038] The vertical section 11 of the device is provided for the convenience of installing the crushing roller 2 and the air extraction pipe 7; and the bending section 12 is provided for the purpose of providing the screening hole 14; the screening hole 14 is provided mainly for the preliminary screening of the crushed stone materials; because during the crushing process, the large particles of stone materials will be crushed into very small particles, which are too small relative to the particle size used, so screening is required;

[0039] The crushed stones in this device will fall on the bending section 12, and the stones with very small particles will be output from the crusher body 1 through the screening holes 14; at the same time, the bending section 12 of the device is also convenient for the screening of stones. Due to its bending design, large particles of stones can be prevented from being blocked in the screening holes 14.

[0040] The number of crushing rollers 2 is set to two, and they are horizontally symmetrically arranged in the crusher body 1.

[0041] A driving gear is arranged on one of the crushing rollers 2, and a driven gear is arranged on the other crushing roller 2, the driving gear is meshed with the driven gear; and a driving motor is arranged on the driving gear.

[0042] The driving device used by the crushing roller 2 of the device is a common driving device in the field, which is composed of a driving motor and a gear box. The gear box has a driving gear and a driven gear.

[0043] The above description is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any changes or modifications made by any technician in the field of the present invention are included in the patent scope of the present invention.

Claims

1. A stone crusher, characterized in that: The invention comprises a crusher body (1), wherein a crushing roller (2) is arranged inside the crusher body (1), and a plurality of crushing wheels (3) are arranged evenly along the axis of the crushing roller (2); wherein a guide bar (4) is arranged between the crushing wheels (3), the guide bar (4) is fixed to the inner surface of the crusher body (1), and the side surface of the guide bar (4) close to the crushing roller (2) is arranged as an arc surface (5).

2. The stone crusher according to claim 1, characterized in that: A plurality of crushing teeth (6) are evenly distributed on the circumference of the crushing wheel (3), and the crushing teeth (6) are connected to the crushing wheel (3) via bolts.

3. The stone crusher according to claim 2, characterized in that: An air extraction pipeline (7) is also provided outside the crusher body (1), the end of the air extraction pipeline (7) is connected to the inside of the crusher body (1), and a filter screen (8) is provided at the end of the air extraction pipeline (7).

4. The stone crusher according to claim 3, characterized in that: The air extraction pipe (7) is arranged below the crushing roller (2).

5. The stone crusher according to claim 4, characterized in that: The crusher body (1) comprises a vertical section (11), a bent section (12) and a horizontal section (13); the crushing roller (2) and the air extraction pipe (7) are installed on the vertical section (11); and a bottom array of the bent section (12) has a plurality of screening holes (14).

6. The stone crusher according to claim 1, characterized in that: The number of the crushing rollers (2) is set to two, and they are horizontally symmetrically arranged inside the crusher body (1).

7. The stone crusher according to claim 6, characterized in that: A driving gear is arranged on one of the crushing rollers (2), and a driven gear is arranged on the other crushing roller (2), the driving gear meshing with the driven gear; and a driving motor is arranged on the driving gear.

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