Flour mill

Abstract

The utility model relates to the technical field of grinding processing, in particular to a grinding machine, which improves the convenience of direct grinding processing of large timber, improves the working efficiency, reduces high-temperature faults and improves the use reliability. Comprising a case and a discharging pipe, the discharging pipe communicates with the lower portion of the outer side wall of the case, and an opening is formed in the front end of the case; the screening device is arranged on the inner side wall of the machine box and used for screening powder, the sealing door is arranged at an opening of the machine box and provided with a feeding port, the rotating shaft is rotationally installed on the inner side wall of the machine box, and the supporting wheel is arranged on the rotating shaft; the supporting wheel is installed on the outer side wall of the rotating shaft, the first cutters are installed on the front side and the rear side of the outer side wall of the supporting wheel, the second cutters are installed on the inner side wall of the sealing door, the first cutters are matched with the second cutters in position, and the machine box is installed on the driving device.

Description

Technical Field

[0001] The utility model relates to the technical field of powder grinding processing, in particular to a powder grinder. Background Art

[0002] A wood powder grinder, as a professional wood processing equipment, is mainly used for crushing materials such as wood, wood chips, and wood sawdust into fine particles or powders, and plays an important role in multiple industries such as wood processing, biomass energy, papermaking, and feed.

[0003] In the patent with the authorized publication number of CN215150907U in the prior art, the utility model relates to the technical field of powder grinders, and discloses a raw material powder grinder for the regeneration of lipid plastic wood, including an outer box. Four transition support blocks are fixedly connected to the bottom of the outer box. A motor outer box is fixedly connected to the bottom of the outer box. A power motor is fixedly connected to the inside of the motor outer box. A discharge block is communicated with the left side of the outer box.

[0004] However, it is found in the use of this equipment that it is not convenient to directly grind large pieces of wood, which increases the complexity of the preliminary crushing treatment of the wood, reduces the working efficiency, and reduces the convenience of using the equipment. Summary of the Utility Model

[0005] To solve the above technical problems, the utility model provides a powder grinder that improves the convenience of directly grinding large pieces of wood, improves the working efficiency, reduces high-temperature failures, and improves the reliability of use.

[0006] The utility model grinding mill comprises a machine case and a discharge pipe, the discharge pipe is connected and arranged at the lower part of the outer side wall of the machine case, and an opening is arranged at the front end of the machine case; it also comprises a screening device, a driving device, a cooling device, a closed door, a rotating shaft, a supporting wheel, a plurality of first cutting tools and a plurality of second cutting tools. The inner side wall of the machine case is provided with a screening device, and the screening device is used for screening and processing the powder material. The closed door is arranged at the opening of the machine case, and a feeding port is arranged on the closed door. The rotating shaft is rotatably mounted on the inner side wall of the machine case, and the supporting wheel is mounted on the outer side wall of the rotating shaft. The plurality of first cutting tools are all mounted on the front and rear sides of the outer side wall of the supporting wheel, and the plurality of second cutting tools are all mounted on the inner side wall of the closed door, and the positions of the plurality of first cutting tools and the plurality of second cutting tools match each other. The machine case is mounted on the driving device, and the driving device is used for driving The rotating shaft rotates, and the cooling device is installed on the chassis, and the cooling device is used to dissipate heat and cool down; when the wood needs to be ground, the wood is placed inside the chassis through the closed door feed port, and then the rotating shaft is driven to rotate by the driving device. After the rotating shaft rotates, it drives the supporting wheel to rotate, so that the supporting wheel drives multiple groups of first tools to move circumferentially, so that the multiple groups of first tools cooperate with multiple groups of second tools to grind the abrasive, and the crushed powder is separated by the screening device, and the separated powder is discharged through the discharge pipe, and the wood that is not completely crushed continues to be crushed in the chassis, thereby improving the convenience of the mill for directly grinding large pieces of wood, improving work efficiency, and dissipating heat and cooling the rotating shaft and the chassis through the cooling device, thereby reducing high-temperature failures of the mill and improving the reliability of the mill.

[0007] Preferably, the driving device includes a base, a motor, two sets of pulleys and belts, a chassis is installed on the top of the base, the motor is installed on the base, the first set of pulleys is installed on the output end of the motor, the second set of pulleys is installed on the outer wall of the rotating shaft, and the belt is sleeved on the outer walls of the two sets of pulleys; the first set of pulleys is driven to rotate by the motor, so that the first set of pulleys drives the second set of pulleys to rotate through the belts, and then the second set of pulleys drives the rotating shaft to rotate, thereby improving the convenience of multiple sets of first tools and multiple sets of second tools cooperating to grind wood into powder.

[0008] Preferably, the cooling device includes a cover body, a water inlet pipe and a drain pipe, the cover body is installed on the outer side wall of the chassis, and the rotating shaft rotates through the inside of the cover body, the water inlet pipe is connected and arranged at the upper part of the outer side wall of the cover body, and the drain pipe is connected and arranged at the lower part of the outer side wall of the cover body; by conveying cooling water to the inside of the cover body through the water inlet pipe, and then discharging the cooling water through the drain pipe, the cooling water cools the chassis and the rotating shaft, thereby improving the heat dissipation and cooling effect inside the chassis, increasing the service life of multiple groups of first knives and multiple groups of second knives, and improving the reliability of the grinding mill.

[0009] Preferably, the screening device includes a screen and a lining plate. The screen is installed on the inner side wall of the chassis, and the lining plate is installed on the outer side wall of the screen. The powder material is screened through the screen to improve the processing quality of the wood powder. The wood is crushed by the cooperation of the lining plate and multiple groups of first cutters, thereby improving the powder processing efficiency of the grinder. And when grinding powders of different fineness, by replacing the screens with different mesh numbers, the versatility of the device is improved.

[0010] Preferably, it further includes multiple groups of third cutters, and all the multiple groups of third cutters are installed on the inner side wall of the chassis. By using the multiple groups of third cutters in cooperation with the multiple groups of first cutters, the reliability and powder processing efficiency of the wood powder are improved.

[0011] Preferably, it further includes a hinge, and the hinge is installed on the outer side wall of the chassis, and the closing door is installed on the hinge. By setting the hinge, the convenience of the rotation and use of the closing door is improved.

[0012] Preferably, it further includes a handle, and the handle is installed on the outer side wall of the closing door. The convenience of the operation and use of the closing door is improved.

[0013] Preferably, the support wheels, multiple groups of first cutters, multiple groups of second cutters and multiple groups of third cutters are detachably replaceable. By disassembling and replacing the multiple groups of first cutters, multiple groups of second cutters and multiple groups of third cutters with different-shaped models, the convenience of the grinder for grinding wood powders of different hardnesses is improved. And when grinding finer powders, replace them with round roller-type cutters, and when grinding coarser powders, replace them with blade-type cutters, thereby achieving the effect of multi-purpose use of one machine.

[0014] Preferably, it further includes an air inlet pipe and an exhaust pipe. There is a cavity inside the chassis, and both the air inlet pipe and the exhaust pipe are installed on the outer side wall of the chassis, and both the air inlet pipe and the exhaust pipe communicate with the cavity inside. The cold air is circulated inside the chassis through the air inlet pipe and the exhaust pipe, thereby improving the convenience of air cooling of the grinder.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: When it is necessary to grind wood into powder, the wood is put into the inside of the chassis through the feeding port of the closing door. Then, the driving device drives the rotating shaft to rotate. After the rotating shaft rotates, it drives the support wheels to rotate, so that the support wheels drive multiple groups of first cutters to move circumferentially, so that the multiple groups of first cutters cooperate with the multiple groups of second cutters to crush the abrasive. The crushed powder material is separated by the screening device, and the separated powder material is discharged through the discharge pipe. The wood that is not completely crushed continues to be crushed inside the chassis, thereby improving the convenience of directly grinding large pieces of wood by the grinder, improving the working efficiency, and dissipating heat from the rotating shaft and the chassis through the cooling device, thereby reducing the high-temperature faults of the grinder and improving the reliability of the use of the grinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is an isometric structural schematic diagram of the present utility model;

[0017] Figure 2 It is an isometric partial structural schematic diagram of the connection between the support wheel and the first cutter, etc.;

[0018] Figure 3 It is an isometric partial structural schematic diagram of the connection between the chassis and the screen, etc.;

[0019] Figure 4 It is an isometric structural schematic diagram of the connection between the cover body and the water inlet pipe, etc.;

[0020] Figure 5 It is an isometric structural schematic diagram of the connection between the closing door and the handle, etc.

[0021] Reference signs in the drawings: 1. Chassis; 2. Discharge pipe; 3. Closing door; 4. Rotating shaft; 5. Support wheel; 6. First cutter; 7. Second cutter; 8. Base; 9. Motor; 10. Pulley; 11. Belt; 12. Cover body; 13. Water inlet pipe; 14. Drain pipe; 15. Screen; 16. Liner; 17. Third cutter; 18. Hinge; 19. Handle. Detailed implementation manners

[0022] For the convenience of understanding the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present utility model more thorough and comprehensive.

[0023] Embodiment 1

[0024] As Figures 1 to 5 shown, the flour mill of the present utility model includes a chassis 1 and a discharge pipe 2. The discharge pipe 2 is communicatively arranged at the lower part of the outer side wall of the chassis 1, and an opening is provided at the front end of the chassis 1; it further includes a screening device, a driving device, a cooling device, a closing door 3, a rotating shaft 4, a support wheel 5, multiple groups of first cutters 6 and multiple groups of second cutters 7. A screening device is arranged on the inner side wall of the chassis 1 for screening and processing the powder material. The closing door 3 is arranged at the opening of the chassis 1, and a feed inlet is provided on the closing door 3. The rotating shaft 4 is rotatably installed on the inner side wall of the chassis 1, the support wheel 5 is installed on the outer side wall of the rotating shaft 4, multiple groups of first cutters 6 are all installed on the front and rear sides of the outer side wall of the support wheel 5, multiple groups of second cutters 7 are all installed on the inner side wall of the closing door 3, and the positions of multiple groups of first cutters 6 and multiple groups of second cutters 7 match. The chassis 1 is installed on the driving device for driving the rotating shaft 4 to rotate, and the cooling device is installed on the chassis 1 for heat dissipation and temperature reduction;

[0025] As Figure 4As shown in the figure, the driving device includes a base 8, a motor 9, two sets of pulleys 10 and a belt 11. The chassis 1 is installed at the top of the base 8, the motor 9 is installed on the base 8, the first set of pulleys 10 is installed on the output end of the motor 9, the second set of pulleys 10 is installed on the outer side wall of the rotating shaft 4, and the belt 11 is sleeved on the outer side walls of the two sets of pulleys 10;

[0026] In this embodiment, when it is necessary to grind wood into powder, the wood is put into the chassis 1 through the feeding port of the closing door 3. After that, the driving device drives the rotating shaft 4 to rotate. After the rotating shaft 4 rotates, it drives the supporting wheel 5 to rotate, so that the supporting wheel 5 drives multiple groups of first cutters 6 to move circumferentially, so that multiple groups of first cutters 6 cooperate with multiple groups of second cutters 7 to crush the abrasive. The crushed powder is separated by the screening device, and the separated powder is discharged through the discharge pipe 2. The wood that is not completely crushed continues to be crushed in the chassis 1, thereby improving the convenience of directly grinding large pieces of wood by the grinder, improving work efficiency, and dissipating heat from the rotating shaft 4 and the chassis 1 through the cooling device, thereby reducing high-temperature failures of the grinder and improving the reliability of the grinder.

[0027] Embodiment 2

[0028] On the basis of Embodiment 1, as Figure 4 shown, for the grinder of the present utility model, the cooling device includes a cover body 12, a water inlet pipe 13 and a drain pipe 14. The cover body 12 is installed on the outer side wall of the chassis 1, and the rotating shaft 4 rotates through the inside of the cover body 12. The water inlet pipe 13 is communicated and arranged on the upper part of the outer side wall of the cover body 12, and the drain pipe 14 is communicated and arranged on the lower part of the outer side wall of the cover body 12;

[0029] As Figure 3 shown, the screening device includes a screen 15 and a lining plate 16. The screen 15 is installed on the inner side wall of the chassis 1, and the lining plate 16 is installed on the outer side wall of the screen 15;

[0030] As Figure 3 shown, it further includes multiple groups of third cutters 17, and multiple groups of third cutters 17 are all installed on the inner side wall of the chassis 1;

[0031] As Figure 1 shown, it further includes a hinge 18, the hinge 18 is installed on the outer side wall of the chassis 1, and the closing door 3 is installed on the hinge 18;

[0032] As Figure 5 shown, it further includes a handle 19, and the handle 19 is installed on the outer side wall of the closing door 3;

[0033] As Figure 2 shown, the supporting wheel 5, multiple groups of first cutters 6, multiple groups of second cutters 7 and multiple groups of third cutters 17 are detachably replaceable;

[0034] As Figure 5As shown, the chassis 1 also includes an air intake pipe 20 and an exhaust pipe 21. A cavity is provided in the chassis 1. The air intake pipe 20 and the exhaust pipe 21 are both installed on the outer wall of the chassis 1, and the air intake pipe 20 and the exhaust pipe 21 are both connected to the cavity.

[0035] In this embodiment, the first group of pulleys 10 are driven to rotate by the motor 9, so that the first group of pulleys 10 drives the second group of pulleys 10 to rotate through the belt 11, and then the second group of pulleys 10 drives the rotating shaft 4 to rotate, thereby improving the convenience of multiple groups of first cutting tools 6 and multiple groups of second cutting tools 7 to grind wood into powder, and by conveying cooling water to the inside of the cover body 12 through the water inlet pipe 13, and then discharging the cooling water through the drain pipe 14, the cooling water cools the chassis 1 and the rotating shaft 4, thereby improving the heat dissipation and cooling effect inside the chassis 1, increasing the service life of the multiple groups of first cutting tools 6 and the multiple groups of second cutting tools 7, and improving the reliability of the grinding machine.

[0036] The grinding machine of the utility model is in operation. When wood needs to be ground, the wood is placed inside the machine case 1 through the feed port of the closed door 3. The rotating shaft 4 is then driven to rotate by the driving device. The rotating shaft 4 drives the supporting wheel 5 to rotate, so that the supporting wheel 5 drives the multiple groups of first cutters 6 to move circumferentially, so that the multiple groups of first cutters 6 cooperate with the multiple groups of second cutters 7 to grind the abrasive. The ground powder is separated by a screening device, and the separated powder is discharged through a discharge pipe 2. The wood that is not completely ground continues to be ground in the machine case 1.

[0037] The motor 9 of the grinding mill of the utility model is purchased on the market, and the technicians in the industry only need to install and operate it according to the attached instruction manual, without the need for the technicians in the field to pay creative labor.

[0038] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A grinding mill, comprising a machine case (1) and a discharge pipe (2), wherein the discharge pipe (2) is arranged in communication with the lower part of the outer wall of the machine case (1), and an opening is arranged at the front end of the machine case (1); characterized in that: The invention also comprises a screening device, a driving device, a cooling device, a closed door (3), a rotating shaft (4), a supporting wheel (5), a plurality of first cutting tools (6) and a plurality of second cutting tools (7). The inner wall of the chassis (1) is provided with a screening device, and the screening device is used for screening the powder. The closed door (3) is provided at the opening of the chassis (1), and a feed port is provided on the closed door (3). The rotating shaft (4) is rotatably mounted on the inner wall of the chassis (1), and the supporting wheel (5) is mounted on the outer wall of the rotating shaft (4). The plurality of first cutting tools (6) are all mounted on the front and rear sides of the outer wall of the supporting wheel (5), and the plurality of second cutting tools (7) are all mounted on the inner wall of the closed door (3), and the positions of the plurality of first cutting tools (6) and the plurality of second cutting tools (7) are matched. The chassis (1) is mounted on the driving device, and the driving device is used for driving the rotating shaft (4) to rotate. The cooling device is mounted on the chassis (1), and the cooling device is used for heat dissipation and temperature reduction.

2. The grinding mill according to claim 1, characterized in that The driving device comprises a base (8), a motor (9), two groups of pulleys (10) and a belt (11), wherein the chassis (1) is mounted on the top of the base (8), the motor (9) is mounted on the base (8), the first group of pulleys (10) is mounted on the output end of the motor (9), the second group of pulleys (10) is mounted on the outer side wall of the rotating shaft (4), and the belt (11) is sleeved on the outer side walls of the two groups of pulleys (10).

3. The grinding mill according to claim 1, characterized in that The cooling device comprises a cover body (12), a water inlet pipe (13) and a drain pipe (14); the cover body (12) is mounted on the outer wall of the chassis (1), and the rotating shaft (4) rotates through the inside of the cover body (12); the water inlet pipe (13) is connected to the upper part of the outer wall of the cover body (12), and the drain pipe (14) is connected to the lower part of the outer wall of the cover body (12).

4. The grinding mill according to claim 1, characterized in that The screening device comprises a screen (15) and a lining plate (16); the screen (15) is mounted on the inner wall of the case (1), and the lining plate (16) is mounted on the outer wall of the screen (15).

5. The grinding mill according to claim 1, characterized in that It also includes multiple sets of third cutting tools (17), which are all installed on the inner wall of the chassis (1).

6. The grinding mill according to claim 1, characterized in that It also includes a hinge (18), which is installed on the outer side wall of the case (1), and the closed door (3) is installed on the hinge (18).

7. The grinding mill according to claim 1, characterized in that The invention also comprises a handle (19), which is mounted on the outer side wall of the closed door (3).

8. The grinding mill according to claim 1 or 5, characterized in that The supporting wheel (5), the multiple groups of first cutting tools (6), the multiple groups of second cutting tools (7) and the multiple groups of third cutting tools (17) are detachably replaceable.

9. The grinding mill according to claim 1, characterized in that It also includes an air intake pipe (20) and an exhaust pipe (21); a cavity is provided in the case (1); the air intake pipe (20) and the exhaust pipe (21) are both mounted on the outer wall of the case (1); and the air intake pipe (20) and the exhaust pipe (21) are both in communication with the cavity.

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