Crushing and grinding device for coal detection

Abstract

The utility model relates to the technical field of crushing and grinding, in particular to a crushing and grinding device for coal detection, which improves the reliability of coal crushing, the grinding and crushing effect of coal and the convenience of use and operation. Comprising a barrel and a sealing door, a putting-in opening is formed in the upper portion of the barrel, and the sealing door communicates with the putting-in opening; the discharging door is arranged on the lower portion of the outer side wall of the barrel in a communicating mode, the supporting table is rotationally installed on the inner side wall of the barrel, multiple sets of through holes are formed in the supporting table, the multiple sets of blades are installed on the inner side walls of the multiple sets of through holes of the supporting table respectively, and the top ends of the multiple sets of blades stretch out of the through holes; the positioning device is arranged at the top end of the barrel and used for pressing and fixing coal, and the smashing device is arranged at the bottom of the barrel and used for grinding the coal.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of crushing and grinding, particularly to a crushing and grinding device for coal detection. BACKGROUND

[0002] In the field of coal detection, accurate crushing and grinding of coal samples is a crucial step that not only affects the accuracy and reliability of subsequent detection, but also directly affects the efficiency of the entire detection process. Therefore, it is of great significance to develop an efficient crushing and grinding device for coal detection.

[0003] Currently, in the prior art, such as the patent with the authorized announcement number CN213528921U, the utility model provides a coal detection pretreatment crushing and grinding equipment. The coal detection pretreatment crushing and grinding equipment includes a shell, a crushing chamber fixedly installed at the bottom of the shell, a transmission chamber fixedly installed on one side outer wall of the crushing chamber, a motor one fixedly installed at the top of the shell, a rotating shaft rotatably installed on the inner wall of the top of the shell, and the top end of the rotating shaft extends to the outside of the shell and is fixedly connected with the output shaft of the motor one.

[0004] However, it is found in the use of the device that the device has poor reliability in grinding and crushing coal, and the rolling column is easy to press the crushed coal powder into a sheet shape, reducing the dispersion effect of the powder and the convenience of later coal detection. UTILITY MODEL CONTENT

[0005] To solve the above technical problems, the utility model provides a crushing and grinding device for coal detection that improves the reliability of coal crushing, improves the grinding and crushing effect of coal, and improves the convenience of use and operation.

[0006] The utility model discloses a kind of coal detection is smashed and ground device, including cylinder and closed door, cylinder upper portion is provided with inlet, closed door is communicated and is provided at inlet place;Further including positioning device, smashing device, discharge gate, support platform and multiple groups of blades, discharge gate is communicated and is provided in the lower part of cylinder outer side wall, support platform is rotatably installed on cylinder inner side wall, support platform is provided with multiple groups of through holes, multiple groups of blades are respectively installed on the inner side wall of multiple groups of through holes of support platform, and the top of multiple groups of blades all extends outside through hole, positioning device is arranged at the top of cylinder, positioning device is used to press and fix coal, smashing device is arranged at the bottom of cylinder, and smashing device is used to grind coal;Coal block is placed into the top of support platform in cylinder through closed door, then coal block is pressed and fixed by positioning device, then the rotation of support platform is driven by starting smashing device, so that support platform drives multiple groups of blades to cut the bottom of coal block, and the coal residue of cutting falls into smashing device through the through hole of support platform, so that smashing device further grinds and crushes coal residue, to improve the reliability of device to coal crushing, improve the grinding crushing effect of coal, improve use operation convenience.

[0007] Preferably, the positioning device includes a support rod, guide columns, a bottom plate, protrusions, springs, and a top plate. The support rod and multiple guide columns slide up and down through the top of the cylinder. The top end of the bottom plate is connected to the bottom end of the support rod and the bottom end of the multiple guide columns. Multiple protrusions are arranged on the bottom of the bottom plate. The springs are fitted on the outer sidewall of the support rod. The top plate is installed on the top end of the support rod and the multiple guide columns. When the coal block is placed on the top of the support platform, the springs provide a downward pushing force to the bottom plate, causing the bottom plate to move the multiple protrusions downward, so that the multiple protrusions limit and fix the coal block. After the multiple blades move circumferentially to cut the bottom of the coal block, the springs continuously provide a downward pushing force to the bottom plate, so that the bottom of the coal block is continuously cut by the multiple blades, improving the convenience of primary coal crushing and the convenience of coal grinding.

[0008] Preferably, the smashing device includes a driving device, a grinding ring, a grinding wheel, and a flow guide platform. The grinding ring is installed on the inner sidewall of the cylinder. The grinding wheel is installed on the driving device, which is used to drive the grinding wheel to rotate. The top end of the grinding wheel is connected to the bottom end of the support platform. A gap is arranged between the outer sidewall of the grinding wheel and the grinding ring. The flow guide platform is arranged on the inner sidewall of the cylinder. The driving device drives the grinding wheel to rotate, causing the grinding wheel and the grinding ring to grind and crush the coal residue. The grinding wheel rotates to drive the support platform to rotate, thereby improving the convenience of the multiple blades cutting the coal block simultaneously.

[0009] Preferably, the driving device comprises a motor, a rotating shaft and a brush, the motor is installed on the inner side wall of the barrel, the rotating shaft is rotatably installed on the inner side wall of the barrel, the bottom end of the rotating shaft is connected with the output end of the motor, the top end of the rotating shaft is connected with the bottom end of the grinding wheel, and the brush is installed on the outer side wall of the rotating shaft; the rotating shaft is driven to rotate by the motor, so that the rotating shaft drives the grinding wheel to rotate, the ground coal falls to the top end of the guide table, the brush is driven to move circumferentially by the rotating shaft, so that the brush delivers the coal powder into the discharge door, and the coal powder is discharged by opening the discharge door.

[0010] Preferably, the handle is installed on the top end of the top plate; the handle is arranged to improve the convenience of the personnel in moving the top plate upward to compress the spring.

[0011] Preferably, the counterweight base is arranged at the bottom of the barrel; the counterweight base is arranged to improve the use stability of the device.

[0012] Preferably, the barrel is made of transparent material; the transparent barrel is arranged to improve the convenience of observing the coal crushing inside the barrel.

[0013] Compared with the prior art, the coal block is placed on the top end of the support table in the barrel through the closing door, then the coal block is pressed and fixed by the positioning device, then the support table is driven to rotate by the crushing device, so that the support table drives the plurality of blades to cut the bottom of the coal block, the cut coal residue falls into the crushing device through the through hole of the support table, so that the crushing device further grinds and crushes the coal residue, thereby improving the reliability of the device in crushing the coal, improving the grinding and crushing effect of the coal, and improving the use convenience. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is the axonometric structure schematic view of the utility model;

[0015] Figure 2 is the axonometric structure schematic view of the barrel and the support table;

[0016] Figure 3 is the axonometric structure schematic view of the bottom plate and the support rod;

[0017] Figure 4 is the axonometric local structure schematic view of the support table and the blade;

[0018] Figure 5 is the axonometric local structure schematic view of the bottom plate and the convex tooth.

[0019] The following are labels in the attached diagram: 1. Cylinder; 2. Enclosed door; 3. Discharge door; 4. Support platform; 5. Blade; 6. Support rod; 7. Guide column; 8. Base plate; 9. Convex tooth; 10. Spring; 11. Top plate; 12. Grinding ring; 13. Grinding wheel; 14. Guide platform; 15. Motor; 16. Shaft; 17. Brush; 18. Handle; 19. Counterweight base. Detailed Implementation

[0020] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete. Example 1

[0021] like Figures 1 to 5 As shown, this utility model discloses a coal crushing and grinding device for testing, comprising a cylinder 1 and a closed door 2. The upper part of the cylinder 1 is provided with an inlet, and the closed door 2 is connected to the inlet. It also includes a positioning device, a crushing device, a discharge door 3, a support platform 4, and multiple sets of blades 5. The discharge door 3 is connected to the lower part of the outer wall of the cylinder 1. The support platform 4 is rotatably mounted on the inner wall of the cylinder 1. The support platform 4 is provided with multiple sets of through holes. The multiple sets of blades 5 are respectively mounted on the inner wall of the multiple sets of through holes of the support platform 4, and the top of the multiple sets of blades 5 extends out of the through holes. The positioning device is located at the top of the cylinder 1 and is used to press and fix the coal. The crushing device is located at the bottom of the cylinder 1 and is used to grind the coal.

[0022] like Figure 2 As shown, the positioning device includes a support rod 6, guide columns 7, a base plate 8, protruding teeth 9, a spring 10, and a top plate 11. The support rod 6 and multiple sets of guide columns 7 slide up and down through the top of the cylinder 1. The top of the base plate 8 is connected to the bottom of the support rod 6 and the bottom of the multiple sets of guide columns 7. Multiple sets of protruding teeth 9 are all set at the bottom of the base plate 8. The spring 10 is fitted onto the outer wall of the support rod 6. The top plate 11 is installed on the top of the support rod 6 and the multiple sets of guide columns 7.

[0023] In this embodiment, coal blocks are placed into the top of the support platform 4 inside the cylinder 1 through the closed door 2. Then, the coal blocks are pressed and fixed by the positioning device. After that, the crushing device is started to drive the support platform 4 to rotate, so that the support platform 4 drives multiple sets of blades 5 to cut the bottom of the coal blocks. The coal slag cut off falls into the crushing device through the through hole of the support platform 4, so that the crushing device further grinds and crushes the coal slag, thereby improving the reliability of the device for coal crushing, improving the coal grinding and crushing effect, and improving the convenience of use and operation. Example 2

[0024] Based on Example 1, such as Figure 3As shown, this utility model discloses a coal testing crushing and grinding device. The crushing device includes a driving device, a grinding ring 12, a grinding wheel 13, and a guide platform 14. The grinding ring 12 is installed on the inner wall of the cylinder 1, the grinding wheel 13 is installed on the driving device, the driving device is used to drive the grinding wheel 13 to rotate, the top end of the grinding wheel 13 is connected to the bottom end of the support platform 4, a gap is provided between the outer wall of the grinding wheel 13 and the grinding ring 12, and the guide platform 14 is provided on the inner wall of the cylinder 1.

[0025] like Figure 2 As shown, the driving device includes a motor 15, a rotating shaft 16 and a brush 17. The motor 15 is mounted on the inner wall of the cylinder 1, the rotating shaft 16 is rotatably mounted on the inner wall of the cylinder 1, the bottom end of the rotating shaft 16 is connected to the output end of the motor 15, the top end of the rotating shaft 16 is connected to the bottom end of the grinding wheel 13, and the brush 17 is mounted on the outer wall of the rotating shaft 16.

[0026] like Figure 2 As shown, it also includes a handle 18, which is mounted on the top of the top plate 11;

[0027] like Figure 1 As shown, this does not include the counterweight base 19, which is located at the bottom of the cylinder 1.

[0028] like Figure 2 As shown, the cylindrical body 1 is made of a transparent material;

[0029] In this embodiment, after the coal block is placed on the top of the support platform 4, the spring 10 provides a downward pushing force to the bottom plate 8, causing the bottom plate 8 to move multiple sets of protruding teeth 9 downward, thereby limiting and fixing the coal block. Then, multiple sets of blades 5 move circumferentially to cut the bottom of the coal block. The spring 10 continuously provides a downward pushing force to the bottom plate 8, thereby continuously cutting the bottom of the coal by multiple sets of blades 5, improving the convenience of primary coal crushing and grinding. The driving device drives the grinding wheel 13 to rotate, so that the grinding wheel 13 cooperates with the grinding ring 12 to grind and crush the coal slag. After the grinding wheel 13 rotates, it drives the support platform 4 to rotate, thereby improving the convenience of multiple sets of blades 5 cutting the coal block at the same time.

[0030] This utility model discloses a coal crushing and grinding device. When in operation, a coal block is placed into the top of the support platform 4 inside the cylinder 1 through the closed door 2. Then, the coal block is pressed and fixed by the positioning device. After that, the crushing device is started to drive the support platform 4 to rotate, so that the support platform 4 drives multiple sets of blades 5 to cut the bottom of the coal block. The coal slag cut off falls into the crushing device through the through hole of the support platform 4, so that the crushing device further grinds and crushes the coal slag.

[0031] The motor 15 of the crushing and grinding device for coal detection is purchased on the market, and the technical personnel in the industry only needs to install and operate according to the attached instruction manual, and no creative labor of the technical personnel in the field is needed.

[0032] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary technical personnel in the technical field, several improvements and modifications can be made without departing from the technical principles of the utility model, and these improvements and modifications should also be regarded as the protection range of the utility model.

Claims

1. A coal crushing and grinding device for testing, comprising a cylinder (1) and a closed door (2), wherein the upper part of the cylinder (1) is provided with an inlet, and the closed door (2) is connected to the inlet; characterized in that, It also includes a positioning device, a crushing device, a discharge gate (3), a support platform (4) and multiple sets of blades (5). The discharge gate (3) is connected to the lower part of the outer wall of the cylinder (1). The support platform (4) is rotatably installed on the inner wall of the cylinder (1). Multiple sets of through holes are provided on the support platform (4). Multiple sets of blades (5) are respectively installed on the inner wall of the multiple sets of through holes of the support platform (4), and the top of the multiple sets of blades (5) extends out of the through holes. The positioning device is set at the top of the cylinder (1) and is used to press and fix the coal. The crushing device is set at the bottom of the cylinder (1) and is used to grind the coal.

2. The coal crushing and grinding device as described in claim 1, characterized in that, The positioning device includes a support rod (6), guide columns (7), a base plate (8), protruding teeth (9), a spring (10), and a top plate (11). The support rod (6) and multiple sets of guide columns (7) slide up and down through the top of the cylinder (1). The top of the base plate (8) is connected to the bottom of the support rod (6) and the bottom of the multiple sets of guide columns (7). Multiple sets of protruding teeth (9) are set at the bottom of the base plate (8). The spring (10) is fitted on the outer wall of the support rod (6). The top plate (11) is installed on the top of the support rod (6) and the multiple sets of guide columns (7).

3. The coal crushing and grinding device as described in claim 1, characterized in that, The crushing device includes a driving device, a grinding ring (12), a grinding wheel (13), and a guide platform (14). The grinding ring (12) is installed on the inner wall of the cylinder (1), and the grinding wheel (13) is installed on the driving device. The driving device is used to drive the grinding wheel (13) to rotate. The top of the grinding wheel (13) is connected to the bottom of the support platform (4). A gap is provided between the outer wall of the grinding wheel (13) and the grinding ring (12). The guide platform (14) is set on the inner wall of the cylinder (1).

4. The coal crushing and grinding device as described in claim 3, characterized in that, The driving device includes a motor (15), a rotating shaft (16) and a brush (17). The motor (15) is installed on the inner wall of the cylinder (1). The rotating shaft (16) is rotatably installed on the inner wall of the cylinder (1). The bottom end of the rotating shaft (16) is connected to the output end of the motor (15). The top end of the rotating shaft (16) is connected to the bottom end of the grinding wheel (13). The brush (17) is installed on the outer wall of the rotating shaft (16).

5. A coal crushing and grinding device as described in claim 2, characterized in that, It also includes a handle (18), which is mounted on the top of the top plate (11).

6. The coal crushing and grinding device as described in claim 1, characterized in that, This does not include the counterweight base (19), which is located at the bottom of the cylinder (1).

7. The coal crushing and grinding device as described in claim 1, characterized in that, The cylindrical body (1) is made of transparent material.

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