Crushing device for medium sand manufacturing

Abstract

The utility model relates to a crushing device for medium sand manufacturing, which comprises a crushing shell, supporting plates are connected to the positions, close to the top, of the outer walls of the left side and the right side of the crushing shell through bolts, first movable doors are installed on the positions, close to the top and the bottom, of the front side of the crushing shell, and a feeding pipe body is connected to the top of the crushing shell in a penetrating manner; the left outer wall and the right outer wall of the feeding pipe body are hinged to material guiding inclined plates close to the bottom, the bottoms of the two material guiding inclined plates are attached to box bodies, the opposite sides of the two box bodies are open, crushing rollers are arranged in the box bodies, and the front walls and the rear walls of the crushing rollers are movably connected to the inner walls of the box bodies through rotating shafts and bearings correspondingly; according to the technical scheme, through mutual cooperation of the guide inclined plate, the electric push rod, the box body and other components, the distance between the two crushing rollers can be adjusted, so that material blocking is not prone to being caused, the crushing operation can be promoted, and the crushing efficiency and the use efficiency of the crusher are improved.

Description

Technical Field

[0001] The utility model relates to a crushing device, in particular to a crushing device for producing medium sand. Background Art

[0002] Medium sand refers to debris with a particle size range of 0.5mm-0.25mm. Debris particles are classified according to the size of the particle diameter, such as gravel, sand, silt and clay. Among them, ultrafine sand refers to debris particles with a particle diameter range of 0.125mm-0.05mm. A crushing device is required for the manufacture of medium sand, such as Patent No. 202122170579.4, which avoids the situation where materials fly out and injure workers during crushing, thereby improving the safety of the use of the crushing device. However, the above structure cannot adjust the distance between the two crushing rollers during use, which makes it easy to cause material jamming, thereby affecting its crushing operation and reducing its crushing efficiency and use efficiency. Therefore, we propose a crushing device for the manufacture of medium sand. Utility Model Content

[0003] In view of the deficiencies of the prior art, the utility model provides a crushing device for medium sand production, which overcomes the deficiencies of the prior art.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a crushing device for medium sand manufacturing, comprising a crushing shell, the left and right outer walls of the crushing shell are both connected with support plates by bolts near the top, and the front side of the crushing shell is equipped with a first movable door near the top and the bottom, the top of the crushing shell is connected through a feed pipe body, and the left and right outer walls of the feed pipe body are hinged with guide inclined plates near the bottom, the bottoms of the two guide inclined plates are both fitted with a box body, and the two opposite sides of the box bodies are both opened, a crushing roller is arranged in the box body, and the front wall and the rear wall of the crushing roller are respectively movably connected to the inner wall of the box body by a rotating shaft and a bearing, and a driving mechanism is installed on the rear wall of the box body. The motor is characterized in that the rear end of the rotating shaft on the rear wall of the crushing roller passes through the inner ring of the bearing and is fixedly connected to the output shaft of the driving motor. The two sides of the box bodies that are away from each other are connected with an electric push rod by bolts, and the end of the electric push rod that is away from the box body is slidably connected to the inner wall of the crushing shell. A cover body is sleeved on the inner wall of the crushing shell near the bottom, and the top and bottom of the cover body are both open. A material guiding shell is sleeved in the cover body, and the top and bottom of the material guiding shell are both open, and a second movable door is installed on the front side of the cover body. A filter screen is slidably connected to the material guiding shell near the top, and a material receiving drawer is slidably connected to the material guiding shell near the bottom, and the bottom of the material receiving drawer contacts with the bottom of the inner cavity of the crushing shell.

[0005] As a preferred technical solution of the utility model, electric telescopic rods are hinged on the left and right outer walls of the feed pipe body near the bottom, and the bottom ends of the electric telescopic rods are hinged on the top of the guide inclined plate, and the front and rear walls of the guide inclined plate are movably connected to the front and rear inner walls of the crushing shell through rotating shafts and bearings near the top.

[0006] As a preferred technical solution of the utility model, the left and right outer walls of the material guiding shell are connected with side plates by bolts, and the bottom of the side plates passes through the cover body and contacts with the bottom of the inner cavity of the crushing shell.

[0007] As a preferred technical solution of the utility model, first sliding blocks are installed on the left and right outer walls of the filter screen, and first sliding grooves matching the first sliding blocks are opened on the left and right inner walls of the material guide shell.

[0008] As a preferred technical solution of the utility model, the left and right inner walls of the cover body are connected with cross plates by bolts near the top, and a buffer spring is connected between the top of the cross plate and the bottom of the electric push rod, the left inner wall of the crushing shell is connected with an electric cylinder by bolts near the bottom, and the push rod on the electric cylinder is connected to the side wall of the left side plate by bolts, and a compression spring is connected between the side wall of the side plate on the right and the right inner wall of the crushing shell.

[0009] As a preferred technical solution of the utility model, second sliding blocks are installed on the left and right outer walls of the material receiving drawer, and second sliding grooves matching the second sliding blocks are opened on the left and right inner walls of the material guiding shell.

[0010] As a preferred technical solution of the utility model, the bottoms of the two box bodies are connected with jet inclined tubes by bolts, and a fan is connected with bolts near the bottom on the side away from the two box bodies, and an air guide pipe is connected between the air outlet of the fan and the jet inclined tube.

[0011] The embodiment of the utility model provides a crushing device for medium sand production, which has the following beneficial effects: the technical solution can adjust the distance between the two crushing rollers through the mutual cooperation between the guide inclined plate, the electric push rod and the box body, so that it is not easy to cause material jamming, thereby promoting its crushing operation and improving its crushing efficiency and utilization efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0013] Figure 1 It is a main stereoscopic view of the utility model;

[0014] Figure 2 yes Figure 1 Schematic diagram of the cross-sectional structure;

[0015] Figure 3 yes Figure 1 A in the enlarged view;

[0016] Figure 4 yes Figure 1 A partial stereoscopic view of the middle cover body, material receiving drawer and other components.

[0017] In the figure: 1. crushing shell; 2. feed pipe body; 3. support plate; 4. first movable door; 5. material guide inclined plate; 6. electric telescopic rod; 7. box body; 8. crushing roller; 9. drive motor; 10. electric push rod; 11. jet inclined pipe; 12. fan; 13. horizontal plate; 14. filter screen; 15. material guide shell; 16. material receiving drawer; 17. side plate; 18. cover body; 19. electric cylinder; 20. compression spring; 21. buffer spring; 22. air guide pipe; 23. second movable door. DETAILED DESCRIPTION

[0018] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0019] Example: Figure 1-4As shown, a crushing device for medium sand manufacturing comprises a crushing shell 1, the left and right outer walls of the crushing shell 1 are connected with support plates 3 by bolts near the top, and the front side of the crushing shell 1 is installed with first movable doors 4 near the top and bottom, the top of the crushing shell 1 is connected with a feed pipe body 2, and the left and right outer walls of the feed pipe body 2 are hinged with guide inclined plates 5 near the bottom, the bottoms of the two guide inclined plates 5 are both fitted with box bodies 7, and the two opposite sides of the two box bodies 7 are both opened, a crushing roller 8 is arranged in the box body 7, and the front wall and the rear wall of the crushing roller 8 are respectively connected to the inner wall of the box body 7 through a rotating shaft and a bearing, a driving motor 9 is installed on the rear wall of the box body 7, and the rear end of the rotating shaft on the rear wall of the crushing roller 8 passes through the inner ring of the bearing and is fixedly connected to the output shaft of the driving motor 9, the two box bodies 7 are connected with an electric push rod 10 by bolts on the side away from each other, and the end of the electric push rod 10 away from the box body 7 is slidably connected to the inner wall of the crushing shell 1, and the inner wall of the crushing shell 1 A cover body 18 is sleeved near the bottom, and the top and bottom of the cover body 18 are both opened. A material guide shell 15 is sleeved in the cover body 18, and the top and bottom of the material guide shell 15 are both opened. A second movable door 23 is installed on the front side of the cover body 18. A filter screen 14 is slidably connected near the top of the material guide shell 15. First sliders are installed on the left and right outer walls of the filter screen 14, and first slide grooves matching the first sliders are opened on the left and right inner walls of the material guide shell 15. A material receiving drawer 16 is slidably connected near the bottom of the material guide shell 15. Second sliders are installed on the left and right outer walls of the material receiving drawer 16, and second slide grooves matching the second sliders are opened on the left and right inner walls of the material guide shell 15, and the bottom of the material receiving drawer 16 contacts the bottom of the inner cavity of the crushing shell 1. The left and right outer walls of the material guide shell 15 are connected with side plates 17 by bolts, and the bottom of the side plates 17 passes through the cover body 18 and contacts the bottom of the inner cavity of the crushing shell 1.

[0020] Among them, the left and right outer walls of the feed pipe body 2 are hinged with electric telescopic rods 6 near the bottom, and the bottom end of the electric telescopic rod 6 is hinged on the top of the guide inclined plate 5, and the front wall and the rear wall of the guide inclined plate 5 are respectively movably connected to the front and rear inner walls of the crushing shell 1 through a rotating shaft and a bearing near the top, and the bottoms of the two box bodies 7 are connected with an air jet inclined pipe 11 by bolts, and the side of the two box bodies 7 away from each other is connected with a fan 12 by bolts near the bottom, and the air outlet of the fan 12 is connected to the jet inclined pipe 11 by an air guide pipe 22;

[0021] In this embodiment, the distance between the two crushing rollers 8 can be adjusted, so that it is not easy to cause material jamming, thereby promoting its crushing operation and improving its crushing efficiency and use efficiency;

[0022] The inner walls on both sides of the cover 18 are connected to the transverse plate 13 by bolts near the top, and a buffer spring 21 is connected between the top of the transverse plate 13 and the bottom of the electric push rod 10. The inner wall on the left side of the crushing shell 1 is connected to the electric cylinder 19 by bolts near the bottom, and the push rod on the electric cylinder 19 is connected to the side wall of the left side plate 17 by bolts. A compression spring 20 is connected between the side wall of the side plate 17 on the right and the right inner wall of the crushing shell 1.

[0023] In this embodiment, the two crushing rollers 8 can be driven to move up and down, so that they can effectively shake the materials and achieve the purpose of preventing the materials from getting stuck.

[0024] Working principle: When in use, the present technical solution is first placed in the desired position through two support plates 3, and then the feeding is completed through the feeding tube body 2. The extension and retraction of the electric telescopic rod 6 drives the guide inclined plate 5 to swing up and down to realize intermittent feeding, and the extension and retraction of the electric push rod 10 can drive the crushing roller 8 to move left and right, and synchronously, the up and down swing of the guide inclined plate 5 abuts against the box body 7 and the crushing roller 8 moves downward or upward with the cooperation of the buffer spring 21, so that it can adjust the distance between the two crushing rollers 8, so that it is not easy to cause material jamming, thereby promoting its crushing operation and improving The crushing efficiency and utilization efficiency are improved. The driving motor 9 drives the crushing roller 8 to rotate, and then the crushed material enters the filter screen 14 through the jet inclined pipe 11, and the fan 12 blows the material on the filter screen 14 through the air guide pipe 22 and the jet inclined pipe 11. The push rod on the electric cylinder 19 can be extended and retracted to drive the filter screen 14 and the material receiving drawer 16 to move left and right through the side plate 17 to achieve the purpose of screening, so that fine materials enter the material receiving drawer 16, and the first movable door 4 and the second movable door 23 are opened to realize the removal of the filter screen 14 and the material receiving drawer 16, so as to achieve the purpose of convenient material discharge.

[0025] Finally, it should be noted that in the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They 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 orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0026] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. 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] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A crushing device for producing medium sand, comprising a crushing shell (1), wherein the outer walls of the left and right sides of the crushing shell (1) are both connected to support plates (3) by bolts near the top, and the front side of the crushing shell (1) is both installed with first movable doors (4) near the top and the bottom, characterized in that: The top of the crushing shell (1) is connected to a feed pipe body (2), and the left and right outer walls of the feed pipe body (2) are hinged with a guide inclined plate (5) near the bottom. The bottoms of the two guide inclined plates (5) are both fitted with a box body (7), and the two opposite sides of the box bodies (7) are both opened. A crushing roller (8) is arranged in the box body (7), and the front wall and the rear wall of the crushing roller (8) are respectively movably connected to the inner wall of the box body (7) through a rotating shaft and a bearing. A driving motor (9) is installed on the rear wall of the box body (7), and the rear end of the rotating shaft on the rear wall of the crushing roller (8) passes through the inner ring of the bearing and is fixedly connected to the output shaft of the driving motor (9). The two sides of the box bodies (7) that are far away from each other are connected with an electric push rod (10) by bolts. ), and the end of the electric push rod (10) away from the box body (7) is slidably connected to the inner wall of the crushing shell (1), the inner wall of the crushing shell (1) is sleeved with a cover body (18) near the bottom, and the top and bottom of the cover body (18) are both opened, a material guide shell (15) is sleeved in the cover body (18), and the top and bottom of the material guide shell (15) are both opened, and a second movable door (23) is installed on the front side of the cover body (18), a filter screen (14) is slidably connected to the material guide shell (15) near the top, and a material receiving drawer (16) is slidably connected to the material guide shell (15) near the bottom, and the bottom of the material receiving drawer (16) is in contact with the bottom of the inner cavity of the crushing shell (1).

2. A crushing device for producing medium sand according to claim 1, characterized in that: The left and right outer walls of the feed pipe body (2) are hinged with electric telescopic rods (6) near the bottom, and the bottom ends of the electric telescopic rods (6) are hinged on the top of the guide inclined plate (5). The front wall and the rear wall of the guide inclined plate (5) are movably connected to the front and rear inner walls of the crushing shell (1) through a rotating shaft and a bearing near the top.

3. A crushing device for producing medium sand according to claim 1, characterized in that: The left and right outer walls of the material guide shell (15) are connected to side plates (17) by bolts, and the bottom of the side plates (17) passes through the cover body (18) and contacts the bottom of the inner cavity of the crushing shell (1).

4. A crushing device for producing medium sand according to claim 1, characterized in that: First sliding blocks are installed on the left and right outer walls of the filter screen (14), and first sliding grooves matching the first sliding blocks are opened on the left and right inner walls of the material guide housing (15).

5. A crushing device for producing medium sand according to claim 1, characterized in that: The inner walls on both sides of the cover body (18) are connected to the transverse plate (13) by bolts near the top, and a buffer spring (21) is connected between the top of the transverse plate (13) and the bottom of the electric push rod (10). The inner wall on the left side of the crushing shell (1) is connected to the electric cylinder (19) by bolts near the bottom, and the push rod on the electric cylinder (19) is connected to the side wall of the left side plate (17) by bolts. A compression spring (20) is connected between the side wall of the side plate (17) on the right side and the inner wall on the right side of the crushing shell (1).

6. A crushing device for producing medium sand according to claim 1, characterized in that: Second sliding blocks are installed on both the left and right outer walls of the material receiving drawer (16), and second sliding grooves matching the second sliding blocks are opened on both the left and right inner walls of the material guiding shell (15).

7. A crushing device for producing medium sand according to claim 1, characterized in that: The bottoms of the two box bodies (7) are connected with an inclined jet pipe (11) by bolts, and a fan (12) is connected with bolts near the bottom of the two box bodies (7) on the side away from each other, and an air guide pipe (22) is connected between the air outlet of the fan (12) and the inclined jet pipe (11).

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