Efficient sand making machine convenient for gravel processing

The efficient sand making machine with integrated crushing and grinding devices solves the problem of screening and transportation in separate steps in sand and gravel processing, realizes direct grinding and efficient sand making of sand and gravel, and improves the integration and work efficiency of the equipment.

CN223312176UActive Publication Date: 2025-09-09GANSU JIAOTONG JINGSHI MINING CO LTD
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Patent Information

Application Number
CN202421667932.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-15
Publication Date
2025-09-09
Estimated Expiration
2034-07-15

AI Technical Summary

Technical Problem

In the existing sand and gravel processing process, screening and transportation are required in steps, which leads to a long working process and the inability to achieve integrated operation.

Method used

An efficient sand making machine with integrated primary crushing and grinding devices is designed. Through the collision crushing of the rotating drum and crushing bars, combined with the rotation grinding of the grinding disc and grinding roller, direct grinding of sand and gravel is achieved to avoid transportation.

Benefits of technology

It improves the efficiency of sand and gravel processing, realizes the integration of equipment, simplifies the operation process, and improves the sand making effect.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223312176U_ABST
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Abstract

The utility model relates to the technical field of sandstone processing, in particular to an efficient sand making machine convenient for sandstone processing, which comprises a primary crushing device and a grinding device, the grinding device is mounted on the right side of the primary crushing device, a rotary drum is rotatably connected in an outer drum, a rotor is fixedly connected in the center of the rotary drum, and a plurality of blades are arranged in the rotary drum. A second motor drives a rotary drum to rotate, so that the gravel is driven to collide with a plurality of crushing strips and crushed particles to be crushed, finally, the gravel is guided into a grinding groove in the upper end of a grinding disc through a collecting hopper and a material guiding pipe, and two first motors are further started; the first belt and the second belt drive the driven belt wheel and the grinding disc to rotate, the driven belt wheel drives the rotating block and the grinding roller to rotate, and the grinding disc and the grinding roller rotate in the opposite direction, so that the grinding effect is effectively improved, sand and gravel are finely ground, the sand making effect is improved, the sand and gravel do not need to be transferred, grinding is directly conducted, and the grinding efficiency is improved. The equipment integration is high, and the working efficiency is high.
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Description

Technical Field

[0001] The utility model relates to the technical field of sand and gravel processing, in particular to a high-efficiency sand making machine which is convenient for sand and gravel processing. Background Art

[0002] Sand and gravel refer to a loose mixture of sand and crushed stone. In geology, mineral or rock particles with a particle size of 0.074 to 2 mm are called sand, and those with a particle size greater than 2 mm are called gravel or angular cobbles. If the crushed stone in the sand and gravel is mostly gravel, it is called sand and gravel. In daily life, some people also call sandstone sand and gravel. The new sand making machine is suitable for crushing soft, medium-hard and extremely hard ore materials with a hardness not exceeding 320Pa. Sand making machines are widely used in many departments such as large-scale, smelting, building materials, highway, railway, water conservancy and chemical industries.

[0003] Before being put into the sand making machine, the existing sand and gravel need to be screened first, and then the larger coarse sand and gravel are crushed according to the screening results. Then the crushed sand and gravel can be ground together with the smaller fine sand and gravel to make sand. The above process is operated step by step in actual production, that is, after screening, sand and gravel of different sizes need to be transported to the sand making machine. The large-particle sand and gravel need to be crushed into smaller sand and gravel, and then ground together with the screened small sand and gravel to make qualified fine sand. The working process is long and cannot be operated in an integrated manner. Utility Model Content

[0004] The purpose of the utility model is to provide an efficient sand making machine that is convenient for sand and gravel processing, which has the characteristics of improving sand making effect, directly grinding without the need to transport sand and gravel, high equipment integration and high working efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an efficient sand making machine convenient for sand and gravel processing, comprising a primary crushing device and a grinding device, the grinding device being installed on the right side of the primary crushing device, the primary crushing device comprising an outer cylinder, a rotating cylinder being rotatably connected to the interior of the outer cylinder, a rotor being fixedly connected to the inner center of the rotating cylinder, a plurality of evenly distributed crushing bars being fixedly connected to the outer wall of the rotor, a plurality of evenly distributed filtering holes being penetrated through the outer wall of the rotating cylinder, and a plurality of evenly distributed crushed particles being fixedly connected to the inner wall of the rotating cylinder;

[0006] The grinding device includes a base plate, the upper end surface of the base plate is rotatably connected to the grinding disc, one side of the base plate is fixedly connected to a bracket, the lower end surface of the bracket is rotatably connected to a rotating block, the outer wall of the rotating block is fixedly connected to an inclined connecting plate, the outer wall of the connecting plate is fixedly connected to a grinding roller, the upper end surface of the grinding disc is provided with a grinding groove, and the other end of the grinding roller extends into the interior of the grinding groove.

[0007] In order to drive the grinding disc and the grinding roller to rotate, as an efficient sand making machine that is convenient for sand and stone processing of the utility model, the upper end face of the bracket is rotatably connected to a driven pulley fixedly connected to the rotating block, and two first motors are installed on the right side wall of the bracket, and the output ends of the two first motors are fixedly connected to a driving pulley, and the two driving pulleys are rotatably connected to the driven pulley and the grinding disc by a first belt and a second belt.

[0008] In order to drive the rotating drum to rotate, as an efficient sand making machine convenient for sand and gravel processing of the utility model, a second motor for driving the rotating drum to rotate is installed on the outer side wall of the outer drum.

[0009] In order to facilitate feeding and discharging, as an efficient sand making machine convenient for sand and gravel processing of the utility model, the upper end face of the outer cylinder is detachably connected to a cover plate, the outer wall of the rotating cylinder is detachably connected to a feed door, the outer wall of the grinding disc is provided with a discharge port, and the inside of the discharge port is detachably connected to a discharge plug.

[0010] In order to facilitate material guiding, as an efficient sand making machine convenient for sand and gravel processing of the utility model, the bottom of the outer cylinder is connected to a collecting funnel, the bottom end of the collecting funnel is connected to a material guide pipe, and the other end of the material guide pipe extends to the top of the grinding tank.

[0011] In order to facilitate the grinding of sand and gravel, as an efficient sand making machine convenient for sand and gravel processing of the utility model, the end of the grinding roller and the grinding groove are preferably matched hemispherical.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] The second motor is started to drive the drum to rotate, thereby driving the collision and crushing between the sand and gravel and the multiple crushing bars and crushed particles, so as to perform preliminary crushing on the sand and gravel. After crushing, the sand and gravel with a particle size smaller than the filter hole are thrown out of the drum, and the unqualified ones are filtered into the inside of the drum for further crushing, thereby improving the crushing effect. Finally, the sand and gravel are introduced into the grinding groove on the upper end of the grinding disc through the collecting funnel and the guide pipe, and the two first motors are further started to drive the driven pulley and the grinding disc to rotate through the first belt and the second belt respectively. The driven pulley drives the rotating block and the grinding roller to rotate, and the grinding disc rotates in the opposite direction to the grinding roller, thereby effectively improving the grinding effect, refining the sand and gravel, and improving the sand making effect. There is no need to transport the sand and gravel, and it can be directly ground. The equipment is highly integrated and has high work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2This is a cross-sectional structural diagram of the preliminary crushing device of the utility model;

[0016] Figure 3 This is a top view of the structure of the grinding disc of the utility model;

[0017] Figure 4 This is a side view of the rotor structure of the utility model.

[0018] In the figure: 1. Preliminary crushing device; 2. Grinding device; 3. Outer cylinder; 4. Rotating cylinder; 5. Rotor; 6. Crushing bar; 7. Filter hole; 8. Bottom plate; 9. Grinding disc; 10. Bracket; 11. Rotating block; 12. Connecting plate; 13. Grinding roller; 14. Driven pulley; 15. First motor; 16. Driving pulley; 17. First belt; 18. Second belt; 19. Second motor; 20. Cover plate; 21. Feed gate; 22. Discharge plug; 23. Grinding trough; 24. Collecting funnel; 25. Guide pipe; 26. Crushed particles. DETAILED DESCRIPTION

[0019] See also Figures 1 to 4 , an efficient sand making machine convenient for sand and gravel processing, comprising a primary crushing device 1 and a grinding device 2, the grinding device 2 being installed on the right side of the primary crushing device 1, the primary crushing device 1 comprising an outer cylinder 3, the inner portion of the outer cylinder 3 being rotatably connected to a rotating cylinder 4, the inner center of the rotating cylinder 4 being fixedly connected to a rotor 5, the outer wall of the rotor 5 being fixedly connected to a plurality of evenly distributed crushing bars 6, the outer wall of the rotating cylinder 4 being penetrated by a plurality of evenly distributed filtering holes 7, the inner wall of the rotating cylinder 4 being fixedly connected to a plurality of evenly distributed crushed particles 26;

[0020] The grinding device 2 includes a base plate 8, the upper end surface of the base plate 8 is rotatably connected to the grinding disc 9, a bracket 10 is fixedly connected to one side of the base plate 8, the lower end surface of the bracket 10 is rotatably connected to the rotating block 11, the outer wall of the rotating block 11 is fixedly connected to the inclined connecting plate 12, the outer wall of the connecting plate 12 is fixedly connected to the grinding roller 13, the upper end surface of the grinding disc 9 is provided with a grinding groove 23, and the other end of the grinding roller 13 extends to the inside of the grinding groove 23.

[0021] In this embodiment: the cover plate 20 and the feed door 21 are opened to introduce the sand and gravel into the interior of the drum 4, and then the cover plate 20 and the feed door 21 are closed, and the second motor 19 is started to drive the drum 4 to rotate, thereby driving the sand and gravel to collide and crush with the multiple crushing bars and crushed particles, thereby performing a preliminary crushing process on the sand and gravel. After crushing, the sand and gravel with a particle size smaller than the filter hole 7 is thrown out of the drum 4, and the unqualified ones are filtered into the drum 4 for further crushing, thereby improving the crushing effect. Finally, the sand and gravel are introduced into the grinding groove 23 at the upper end of the grinding disc 9 through the collecting funnel 24 and the guide pipe 25, and the two first motors 15 are further started to drive the driven pulley 14 and the grinding disc 9 to rotate through the first belt 17 and the second belt 18 respectively. The driven pulley 14 drives the rotating block 11 and the grinding roller 13 to rotate, and the grinding disc 9 rotates in the opposite direction to the grinding roller 13, thereby effectively improving the grinding effect, refining the sand and gravel, and improving the sand making effect. There is no need to transport the sand and gravel, and it can be directly ground. The equipment is highly integrated and has high work efficiency.

[0022] As a technical optimization solution of the present invention, the upper end face of the bracket 10 is rotatably connected to a driven pulley 14 fixedly connected to the rotating block 11, and two first motors 15 are installed on the right side wall of the bracket 10. The output ends of the two first motors 15 are fixedly connected to a driving pulley 16, and the two driving pulleys 16 are rotatably connected to the driven pulley 14 and the grinding disc 9 with a first belt 17 and a second belt 18 respectively.

[0023] In this embodiment: the two first motors 15 are started, thereby driving the driven pulley 14 and the grinding disc 9 to rotate through the first belt 17 and the second belt 18 respectively, and the driven pulley 14 drives the rotating block 11 and the grinding roller 13 to rotate, and the grinding disc 9 rotates in the opposite direction to the grinding roller 13, thereby effectively improving the grinding effect and refining the sand and gravel.

[0024] As a technical optimization solution of the present invention, a second motor 19 for driving the rotating drum 4 to rotate is installed on the outer side wall of the outer drum 3 .

[0025] In this embodiment, the second motor 19 is used to drive the drum 4 to rotate, thereby driving the sand and gravel to be initially crushed.

[0026] As a technical optimization solution of the present invention, the upper end surface of the outer cylinder 3 is detachably connected to a cover plate 20, the outer wall of the rotating cylinder 4 is detachably connected to a feed door 21, the outer wall of the grinding disc 9 is provided with a discharge port, and the inside of the discharge port is detachably connected to a discharge plug 22.

[0027] In this embodiment, the cover plate 20 and the feed door 21 are opened to introduce sand and gravel into the interior of the drum 4, and then the cover plate 20 and the feed door 21 are closed to facilitate preliminary crushing. After the sand and gravel grinding is completed, the discharge plug 22 is opened to discharge the fine sand.

[0028] As a technical optimization solution of the present invention, the bottom of the outer cylinder 3 is connected to a collecting funnel 24 , the bottom end of the collecting funnel 24 is connected to a material guide pipe 25 , and the other end of the material guide pipe 25 extends to the top of the grinding tank 23 .

[0029] In this embodiment, sand and gravel are introduced into the grinding groove 23 at the upper end of the grinding disc 9 through the collecting funnel 24 and the guide pipe 25, so as to facilitate fine grinding.

[0030] As a technical optimization solution of the present invention, the end of the grinding roller 13 and the grinding groove 23 are matched hemispherical shapes.

[0031] In this embodiment, the end of the grinding roller 13 and the grinding groove 23 are matched with each other in a hemispherical shape, thereby facilitating grinding of sand and gravel.

[0032] Working principle: open the cover 20 and the feed door 21, and introduce the sand and gravel into the interior of the drum 4, then close the cover 20 and the feed door 21, start the second motor 19 to drive the drum 4 to rotate, thereby driving the sand and gravel to collide and crush with multiple crushing bars and crushed particles, thereby performing preliminary crushing of the sand and gravel. After crushing, the sand and gravel with a particle size smaller than the filter hole 7 is thrown out of the drum 4, and the unqualified ones are filtered into the drum 4 for further crushing, thereby improving the crushing effect. Finally, the sand and gravel are introduced into the grinding groove 23 at the upper end of the grinding disc 9 through the collecting funnel 24 and the guide pipe 25, and the two first motors 15 are further started, thereby driving the driven pulley 14 and the grinding disc 9 to rotate through the first belt 17 and the second belt 18 respectively. The driven pulley 14 drives the rotating block 11 and the grinding roller 13 to rotate, and the grinding disc 9 rotates in the opposite direction to the grinding roller 13, thereby effectively improving the grinding effect, refining the sand and gravel, and improving the sand making effect. There is no need to transport the sand and gravel, and it can be directly ground. The equipment is highly integrated and has high working efficiency.

[0033] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An efficient sand making machine convenient for sand and gravel processing, comprising a primary crushing device (1) and a grinding device (2), wherein the grinding device (2) is installed on the right side of the primary crushing device (1), and is characterized in that: The preliminary crushing device (1) comprises an outer cylinder (3), a rotating cylinder (4) is rotatably connected to the interior of the outer cylinder (3), a rotor (5) is fixedly connected to the center of the interior of the rotating cylinder (4), a plurality of evenly distributed crushing bars (6) are fixedly connected to the outer wall of the rotor (5), a plurality of evenly distributed filtering holes (7) are formed through the outer wall of the rotating cylinder (4), and a plurality of evenly distributed crushed particles (26) are fixedly connected to the inner wall of the rotating cylinder (4); The grinding device (2) comprises a base plate (8), the upper end surface of the base plate (8) is rotatably connected to a grinding disc (9), one side of the base plate (8) is fixedly connected to a bracket (10), the lower end surface of the bracket (10) is rotatably connected to a rotating block (11), the outer wall of the rotating block (11) is fixedly connected to an inclined connecting plate (12), the outer wall of the connecting plate (12) is fixedly connected to a grinding roller (13), the upper end surface of the grinding disc (9) is provided with a grinding groove (23), and the other end of the grinding roller (13) extends into the interior of the grinding groove (23).

2. The high-efficiency sand making machine convenient for sand and gravel processing according to claim 1 is characterized in that: The upper end surface of the bracket (10) is rotatably connected to a driven pulley (14) fixedly connected to the rotating block (11); the right side wall of the bracket (10) is equipped with two first motors (15); the output ends of the two first motors (15) are fixedly connected to a driving pulley (16); the two driving pulleys (16) are rotatably connected to the driven pulley (14) and the grinding disc (9) respectively by a first belt (17) and a second belt (18).

3. The high-efficiency sand making machine convenient for sand and gravel processing according to claim 1 is characterized in that: A second motor (19) for driving the rotating drum (4) to rotate is installed on the outer side wall of the outer drum (3).

4. The high-efficiency sand making machine convenient for sand and gravel processing according to claim 1 is characterized in that: The upper end surface of the outer cylinder (3) is detachably connected to a cover plate (20), the outer wall of the rotating cylinder (4) is detachably connected to a feed door (21), the outer wall of the grinding disc (9) is provided with a discharge port, and the interior of the discharge port is detachably connected to a discharge plug (22).

5. The high-efficiency sand making machine convenient for sand and gravel processing according to claim 1 is characterized in that: The bottom of the outer cylinder (3) is connected to a collecting funnel (24), the bottom end of the collecting funnel (24) is connected to a material guide pipe (25), and the other end of the material guide pipe (25) extends to the top of the grinding tank (23).

6. The high-efficiency sand making machine convenient for sand and gravel processing according to claim 1 is characterized in that: The end of the grinding roller (13) and the grinding groove (23) are matched with each other in a hemispherical shape.