Gravel crushing device

Abstract

The utility model relates to the technical field of grinding devices, and discloses a gravel grinding device which comprises a shell, first supporting blocks are fixedly connected to the left side wall and the right side wall of an inner cavity of the shell, and the interiors of the two first supporting blocks are rotationally connected with the same grinder. And the top wall and the bottom wall of an inner cavity of the shell are fixedly connected with a material conveying pipe, the left side wall of the inner cavity of the shell is fixedly connected with a second supporting block located below the first supporting block, the interior of the second supporting block is rotationally connected with a rotating shaft, and the outer side of the rotating shaft is fixedly connected with a belt wheel. The sandstone grinding device has the advantages of better grinding effect and the like, and solves the problems that a common grinding device grinds large-size materials through a roller to obtain materials meeting the size requirement, and an existing grinding device cannot grind the materials if the materials do not meet the size requirement. And a crushing device without a screening function cannot well meet the use requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of crushing devices, in particular to a sand and gravel crushing device. Background Art

[0002] A crushing device is a device that converts larger materials into smaller materials that meet the requirements through methods such as extrusion and shearing. The crushing device is also selected and used according to different requirements and the size of the materials.

[0003] A common crushing device is to crush large-sized materials through a drum to obtain materials that meet the size requirements. However, if the materials do not meet the size requirements after being crushed by the existing crushing device, the crushing device does not have a screening function and cannot meet the use requirements well. Therefore, a sand and gravel crushing device is proposed to solve the above-mentioned problems. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the shortcomings of the prior art, the utility model provides a sand and gravel crushing device with advantages such as better crushing effect, and solves the problem that common crushing devices use rollers to crush large-sized materials to obtain materials that meet size requirements, while existing crushing devices do not have a screening function and cannot meet usage needs if the materials do not meet the size requirements after crushing.

[0006] (II) Technical solution

[0007] The technical solution of the utility model for solving the above technical problems is as follows: a sand and gravel crushing device comprises an outer shell, a first support block is fixedly connected to the left side wall and the right side wall of the inner cavity of the outer shell, the two first support blocks are internally rotatably connected to the same crusher, a feed pipe is fixedly connected to the inner top wall and the inner bottom wall of the inner cavity of the outer shell, a second support block located below the first support block is fixedly connected to the left side wall of the inner cavity of the outer shell, a rotating shaft is internally rotatably connected to the second support block, a pulley is fixedly connected to the outer side of the rotating shaft, a motor is fixedly connected to the rear side wall of the inner cavity of the outer shell, a rotating shaft is fixedly connected to the output end of the motor, a third support block is fixedly connected to the right side of the outer shell, a transverse shaft is fixedly connected to the interior of the third support block, an auxiliary wheel is fixedly connected to the outer side of the transverse shaft, and a screen is transmission-connected to the outer side of the auxiliary wheel.

[0008] The beneficial effect of the utility model is that the materials can be screened for the second time after being crushed by the cooperation of the crusher and the screen, so as to screen out the materials which do not meet the size requirements.

[0009] The sand and gravel crushing device has the advantage of better crushing effect.

[0010] On the basis of the above technical solution, the present invention can also be improved as follows.

[0011] Furthermore, a brush located below the screen is fixedly connected to the interior of the shell, and a discharge hole is provided at the bottom of the shell.

[0012] The beneficial effect of adopting the above further solution is that the materials that meet the size requirements after being crushed can be directly utilized through the discharge hole.

[0013] Furthermore, a feed hole is fixedly connected to the top of the shell, and a rotation groove adapted to the crusher is provided inside the conveying pipe.

[0014] The beneficial effect of adopting the above further solution is that the material can enter the crusher through the feed hole for crushing.

[0015] Furthermore, a transport trough located below the rotating trough and adapted to the screen is provided inside the feed pipe, and a supporting leg is fixedly connected to the bottom of the shell.

[0016] The beneficial effect of adopting the above further solution is that, through the transport trough, the screen can transport the materials that do not meet the size to the outside of the housing.

[0017] Furthermore, the number of the supporting legs is four, and the supporting legs are distributed in a rectangular row.

[0018] The beneficial effect of adopting the above further solution is that materials meeting the size requirements can be conveniently collected by means of the support legs.

[0019] Furthermore, the two first support blocks are symmetrically distributed on the left and right, and the top of the brush is in contact with the screen.

[0020] The beneficial effect of adopting the above further solution is that the brush can prevent the screen from getting stuck with materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 This is an enlarged view of the connection structure between the motor and the housing of the utility model;

[0023] Figure 3 This is an enlarged view of the connection structure at A of the utility model;

[0024] Figure 4 This is a front view of the connection structure between the housing and the third support block of the utility model.

[0025] In the figure: 1. outer shell; 2. first support block; 3. crusher; 4. feed pipe; 5. second support block; 6. rotating shaft; 7. pulley; 8. motor; 9. third support block; 10. horizontal axis; 11. auxiliary wheel; 12. screen; 13. brush; 14. discharge hole; 15. feed hole; 16. support leg. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in 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 in 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.

[0027] In the embodiment, Figure 1-4 A sand and stone crushing device is provided. The utility model comprises a shell 1, a first support block 2 is fixedly connected to the left side wall and the right side wall of the inner cavity of the shell 1, the two first support blocks 2 are internally rotatably connected to the same crusher 3, a feeding pipe 4 is fixedly connected to the inner cavity top wall and the inner cavity bottom wall of the shell 1, a second support block 5 located below the first support block 2 is fixedly connected to the left side wall of the inner cavity of the shell 1, a rotating shaft 6 is internally rotatably connected to the second support block 5, a pulley 7 is fixedly connected to the outer side of the rotating shaft 6, a motor 8 is fixedly connected to the rear side wall of the inner cavity of the shell 1, the output end of the motor 8 is fixedly connected to the rotating shaft 6, a third support block 9 is fixedly connected to the right side of the shell 1, a transverse shaft 10 is fixedly connected to the inner side of the third support block 9, an auxiliary wheel 11 is fixedly connected to the outer side of the transverse shaft 10, and the pulley 7 has a screen 12 transmission connected to the outer side of the auxiliary wheel 11;

[0028] A brush 13 located below the screen 12 is fixedly connected to the inside of the housing 1, and a discharge hole 14 is provided at the bottom of the housing 1;

[0029] The material that meets the size requirements after being crushed can be directly used through the discharge hole 14;

[0030] A feed hole 15 is fixedly connected to the top of the housing 1, and a rotating groove adapted to the crusher 3 is provided inside the feed pipe 4;

[0031] The material can enter the crusher 3 through the feed hole 15 for crushing;

[0032] The inside of the material delivery pipe 4 is provided with a transport trough located below the rotating trough and adapted to the screen 12, and the bottom of the housing 1 is fixedly connected with a support leg 16;

[0033] Through the transport trough, the screen 12 can transport the materials that do not meet the size to the outside of the housing 1;

[0034] The number of the supporting legs 16 is four, and the supporting legs 16 are arranged in a rectangular row;

[0035] The supporting legs 16 enable the materials meeting the size requirements to be conveniently collected;

[0036] The two first support blocks 2 are symmetrically distributed, and the top of the brush 13 is in contact with the screen 12;

[0037] The brush 13 prevents the screen 12 from getting stuck with the material.

[0038] Working principle:

[0039] Step 1: Put the material through the feed hole 15, so that the material enters the feed pipe 4 through the feed hole 15, and when the material is crushed by the crusher 3, the material flows through the feed pipe 4 to the screen 12;

[0040] Step 2: Start the motor 8, so that the motor 8 drives the pulley 7 to rotate through the rotating shaft 6, and the pulley 7 drives the auxiliary wheel 11 to rotate through the screen 12. When the material falls into the screen 12 through the conveying pipe 4, the material that does not meet the size requirements is transported to the right side of the housing 1 through the screen 12;

[0041] Step 3: The materials that meet the size requirements fall downward through the screen 12 due to gravity, and the materials that meet the size requirements fall out through the discharge hole 14. The materials that meet the size requirements can be directly utilized using a collection device, and the materials that do not meet the size requirements are put into the feed hole 15 again for secondary crushing.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sand and stone crushing device, comprising a housing (1), characterized in that: The left side wall and the right side wall of the inner cavity of the shell (1) are fixedly connected to a first support block (2); the two first support blocks (2) are internally rotatably connected to the same crusher (3); the top wall and the bottom wall of the inner cavity of the shell (1) are fixedly connected to a feed pipe (4); the left side wall of the inner cavity of the shell (1) is fixedly connected to a second support block (5) located below the first support block (2); the second support block (5) is internally rotatably connected to a rotating shaft (6); the outer side of the rotating shaft (6) is fixedly connected to a pulley (7); the rear side wall of the inner cavity of the shell (1) is fixedly connected to a motor (8); the output end of the motor (8) is fixedly connected to the rotating shaft (6); the right side of the shell (1) is fixedly connected to a third support block (9); the inner side of the third support block (9) is fixedly connected to the rotating shaft (6); A transverse axis (10) is fixedly connected to the outer side of the transverse axis (10), an auxiliary wheel (11) is fixedly connected to the outer side of the auxiliary wheel (11), and the pulley (7) is drivingly connected to the outer side of the auxiliary wheel (11) with a screen (12). A feed hole (15) is fixedly connected to the top of the shell (1), a rotating groove matched with the crusher (3) is opened inside the feed pipe (4), a transport groove located below the rotating groove and matched with the screen (12) is opened inside the feed pipe (4), a supporting leg (16) is fixedly connected to the bottom of the shell (1), the number of the supporting legs (16) is four, and the supporting legs (16) are arranged in a rectangular row, a brush (13) located below the screen (12) is fixedly connected to the inside of the shell (1), and a discharge hole (14) is opened at the bottom of the shell (1).

2. A sand and stone crushing device according to claim 1, characterized in that: The two first support blocks (2) are symmetrically distributed on the left and right, and the top of the brush (13) is in contact with the screen (12).

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