A flour mill convenient to maintain

Abstract

The application discloses a flour mill convenient to maintain, which comprises a flour mill body, a feeding cylinder arranged on one side of the flour mill body, a spiral auger arranged in the feeding cylinder, an opening and closing door arranged on the other side of the flour mill body, heat dissipation grooves arranged on the other two sides of the flour mill body, a grinding cylinder arranged in the flour mill body, the feeding cylinder and the grinding cylinder being coaxially arranged and extending into the grinding cylinder, a grinding device arranged in the grinding cylinder, the grinding cylinder and the grinding device being capable of rotating independently, and a discharging hole arranged on the circumference of the grinding cylinder.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of flour mill, in particular to a flour mill convenient to maintain. BACKGROUND

[0002] The flour mill is widely used in metallurgy, building materials, chemical industry, mining and other fields. Blocky or granular materials can be ground into powder, and the ground powder can be transported and used. The grinding process usually uses a flour mill to provide enough pressure to crush the material.

[0003] The Chinese invention patent with publication number CN109759200A discloses a flour mill and a flour mill system. The flour mill system includes a flour mill for crushing material, an air extractor, and a cyclone separator and a dust collector connected in turn between the flour mill and the air extractor. The flour mill includes a housing, a crushing mechanism mounted in the housing, the crushing mechanism including a main shaft with a vertical axis, a flail mounted on the main shaft, and a driving motor in transmission connection with the main shaft. The crushing mechanism also includes a crushing cylinder coaxially arranged with the main shaft. The gap between the cutting edge of the flail and the cylinder wall of the crushing cylinder is provided. The circumferential cylinder wall of the crushing cylinder is cage-shaped. A feed inlet is provided on the housing above the crushing cylinder to supply material to the crushing cylinder. The technical problem of incomplete internal crushing and low efficiency is solved.

[0004] However, the above-mentioned flour mill has the problems that the ground material is not easy to discharge, and cannot be disassembled and maintained after long-term use. In addition, the grinding is carried out by flail, and the ground material is rough and not delicate, which cannot meet the use. SUMMARY

[0005] The purpose of the present application is to solve the above-mentioned problems and provide a flour mill convenient to maintain, which can improve the grinding efficiency, facilitate the feeding and discharging, and has stable overall structure and is convenient to disassemble and maintain.

[0006] To achieve the above-mentioned purpose, the technical scheme of the present application is as follows: a flour mill convenient to maintain, comprising a flour mill body, a feed cylinder is arranged on one side of the flour mill body, a spiral auger is arranged in the feed cylinder, an opening and closing door is arranged on the other side of the flour mill body, heat dissipation grooves are arranged on the other two sides of the flour mill body, a grinding cylinder is arranged in the flour mill body, the feed cylinder and the grinding cylinder are coaxially arranged and extend into the grinding cylinder, a grinding device is arranged in the grinding cylinder, the grinding cylinder and the grinding device can rotate independently, and a discharge hole is arranged on the circumference of the grinding cylinder.

[0007] Preferably, a plurality of grinding protrusions are uniformly arranged on the circumference of the grinding cylinder, the cross section of the grinding protrusion is trapezoidal, and the grinding device is matched with the plurality of grinding protrusions respectively.

[0008] Preferably, the grinding device comprises a plurality of grinding discs, the plurality of grinding discs are fixedly connected through a cross shaft, the grinding discs correspond to the grinding protrusions one by one, and the two sides of the grinding cylinder are respectively provided with end covers, one of the end covers is provided with a through hole matched with the feeding cylinder, and the other end cover is provided with a semicircular groove, and the cross shaft is transmissionally connected with the grinding motor through the semicircular groove.

[0009] Preferably, the grinding cylinder is supported to rotate by four horizontal diagonal gears, the two ends of the grinding cylinder are respectively provided with meshing teeth matched with the gears, the two gears on the same side are connected through a transmission shaft, one end of the transmission shaft is connected with a transmission motor, and the transmission motor and the grinding motor are fixed on a support plate.

[0010] Preferably, the grinding cylinder reciprocates along the semicircular groove through the four gears, and the grinding disc is always in contact with the inner bottom surface of the grinding protrusion.

[0011] Preferably, the discharge hole is arranged on the grinding protrusion of the grinding cylinder, and in a normal state, the discharge hole is located directly above the grinding cylinder, and after the grinding cylinder rotates by 180 degrees, the discharge hole is located directly below the grinding cylinder.

[0012] Preferably, the bottom of the grinding machine body is further provided with a discharging box, the discharging box corresponds to the opening and closing door, and the side wall surface of the discharging box is provided with a limiting rod extending upwards.

[0013] Preferably, the top of the opening and closing door is provided with an inspection door, and the inspection door corresponds to the grinding cylinder.

[0014] The grinding machine disclosed by the application is convenient to maintain, comprises a grinding machine body, one side of the grinding machine body is provided with a feeding cylinder, a spiral auger is arranged in the feeding cylinder, the other side is provided with an opening and closing door, the other two sides of the grinding machine body are provided with heat dissipation grooves, a grinding cylinder is arranged in the grinding machine body, the feeding cylinder and the grinding cylinder are coaxially arranged and extend into the grinding cylinder, a grinding device is arranged in the grinding cylinder, the grinding cylinder and the grinding device can rotate independently, and the circumference of the grinding cylinder is provided with a discharge hole. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is an overall schematic view of the grinding machine convenient to maintain of the application Figure 1 .

[0016] Figure 2 It is an overall schematic view of the grinding machine convenient to maintain of the application Figure 2 .

[0017] Figure 3 This is a schematic diagram of the internal structure of a grinding mill that is easy to maintain according to the present invention. Figure 1 .

[0018] Figure 4 This is a schematic diagram of the internal structure of a grinding mill that is easy to maintain according to the present invention. Figure 2 .

[0019] Figure 5 This is a schematic diagram of the internal structure of the grinding cylinder in a grinding mill that is easy to maintain according to the present invention.

[0020] Figure 6 For the present invention Figure 5 A magnified structural diagram of point A in the middle.

[0021] Figure 7 For the present invention Figure 5 A magnified structural diagram at point B in the middle.

[0022] In the diagram: 1. Grinding mill body; 2. Heat dissipation groove; 3. Feed cylinder; 4. Spiral auger; 5. Opening and closing door; 51. Inspection door; 6. Grinding cylinder; 61. End cover; 611. Semi-circular groove; 612. Through hole; 62. Grinding protrusion; 63. Discharge hole; 64. Meshing teeth; 65. Gear; 651. Drive shaft; 652. Drive motor; 66. Grinding device; 661. Grinding disc; 662. Grinding motor; 7. Support plate; 8. Discharge box; 81. Limiting rod. Detailed Implementation

[0023] The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic diagrams, illustrating only the basic structure of the invention in a schematic manner, and therefore only show the components relevant to the invention.

[0024] Please refer to Figures 1-7 A grinding mill that is easy to maintain includes a grinding mill body 1. A feed cylinder 3 is provided on one side of the grinding mill body 1, and a spiral auger 4 is provided inside the feed cylinder 3. An opening and closing door 5 is provided on the other side. Heat dissipation grooves 2 are provided on the other two sides of the grinding mill body 1. A grinding cylinder 6 is provided inside the grinding mill body 1. The feed cylinder 3 and the grinding cylinder 6 are coaxially arranged and extend into the grinding cylinder 6. A grinding device 66 is provided inside the grinding cylinder 6. The grinding cylinder 6 and the grinding device 66 can rotate independently. A discharge hole 63 is provided on the circumference of the grinding cylinder 6. During use, the material is conveyed from the feed cylinder 3 to the grinding cylinder 6 through the spiral auger 4, and is ground by the grinding device 66 rotating inside the grinding cylinder 6. After grinding, the material is discharged through the discharge hole 63.

[0025] The bottom of the flour mill body 1 is further provided with a discharging box 8 corresponding to the opening and closing door 5, the side wall surface of the discharging box 8 is provided with a limiting rod 81 extending upward, facilitating the linear sliding of the discharging box 8 in and out, and facilitating installation; the upper portion of the opening and closing door 5 is provided with an inspection door 51 corresponding to the grinding cylinder 6; the grinding cylinder 6 is exposed after the inspection door 51 is opened, facilitating maintenance.

[0026] In the scheme, the circumference of the grinding cylinder 6 is uniformly provided with a plurality of grinding protrusions 62, and the discharge hole 63 is arranged on the grinding protrusion 62 of the grinding cylinder, the cross section of the grinding protrusion 62 is trapezoidal, the grinding device 66 is matched with the plurality of grinding protrusions 62 respectively, the grinding device 66 includes a plurality of grinding discs 661, the plurality of grinding discs 661 are fixedly connected through a horizontal shaft, and the grinding disc 661 corresponds to the grinding protrusion 62 one by one; in use, the material falls into the grinding protrusion 62, and the material is extruded between the grinding disc 661 and the grinding protrusion 62 through the rotation of the grinding disc 661 to be ground, and the cross section of the grinding protrusion 62 and the grinding disc 661 is trapezoidal, further increasing the grinding efficiency and ensuring that the material is ground, and the two sides of the grinding cylinder 6 are respectively provided with end covers 61, one of the end covers 61 is provided with a through hole 612 matched with the feeding cylinder 3, and the other end cover is provided with a semicircular groove 611, and the horizontal shaft passes through the semicircular groove 611 and is in transmission connection with the grinding motor 662.

[0027] The end cover 61 on the two sides of the grinding cylinder 6 is fixed through an internal hexagonal screw, facilitating disassembly, and after disassembly, the grinding disc in the form of a string can be removed, facilitating maintenance of the inner wall of the grinding cylinder 6 and the grinding disc; in addition, the cross section of the grinding protrusion 62 can also be V-shaped and semicircular, which can increase the grinding area and improve the grinding efficiency.

[0028] In use, the grinding motor 662 is started, the horizontal shaft rotates at the same time, and the plurality of grinding discs 661 rotate in the grinding protrusion 62; in order to facilitate the discharge of the ground powder, the grinding cylinder 6 is supported and rotated by four horizontal and diagonal gears 65, the outer walls of the two ends of the grinding cylinder 6 are respectively provided with meshing teeth 64 matched with the gears 65, the two gears 65 on the same side are connected through a transmission shaft 651, one end of the transmission shaft 651 passes through the gear 65 and is connected with a transmission motor 652, and the transmission motor 652 and the grinding motor 662 are both fixed on the support plate 7.

[0029] In use, the grinding disc 661 rotates in the grinding protrusion 62 to grind the material, and after grinding, the driving motor 652 is driven, at which time the two gears 65 on the same side rotate through the transmission shaft 651, and through the cooperation of the gears 65 and the meshing teeth 64, the grinding cylinder 6 is rotated, and when the grinding cylinder 6 rotates, it rotates along the semicircular groove 611 through the four gears 65, and the grinding disc 661 is always in contact with the inner bottom surface of the grinding protrusion 62; that is to say, whether the grinding cylinder 6 rotates or not, the grinding disc 661 can play a grinding effect.

[0030] The discharge hole 63 is arranged on the grinding protrusion 62 of the grinding cylinder 6, and in the normal state, the discharge hole 63 is located directly above the grinding cylinder 6, at which time the grinding cylinder 6 continues to grind, and the powder cannot be discharged from the discharge hole 63 above, and when it is needed to discharge, the grinding cylinder 6 is rotated by 180°, and the discharge hole 63 is located directly below the grinding cylinder 6, and at this time, the powder is discharged.

[0031] In the discharging process, whether the grinding disc 661 rotates or not is determined by observing the discharging effect, and when the discharging effect is poor, it indicates that the powder blocks the discharge hole 63, at which time the grinding motor 662 is started to make the grinding disc 661 rub and vibrate with the grinding protrusion 62 to make the material smoothly discharged; when the material powder is relatively fine, the discharging is smooth, and at this time, the grinding cylinder 6 is reciprocatingly rotated along the semicircular groove 611.

[0032] Obviously, the above embodiments are only examples for clearly illustrating, and are not intended to limit the embodiments. For those skilled in the art, on the basis of the above description, other different forms of changes or variations can also be made. Here, all the embodiments need not and cannot be exhausted. The changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A grinding mill that is easy to maintain, comprising a grinding mill body, a feed cylinder provided on one side of the grinding mill body, a spiral auger provided inside the feed cylinder, an opening and closing door provided on the other side, and heat dissipation grooves provided on the other two sides of the grinding mill body, characterized in that, The flour mill body is internally provided with a grinding cylinder, the feeding cylinder is coaxially arranged with the grinding cylinder and extends into the grinding cylinder, the grinding cylinder is internally provided with a grinding device, the grinding cylinder and the grinding device can independently rotate, and the circumference of the grinding cylinder is provided with a discharging hole; The circumference of the grinding cylinder is uniformly provided with a plurality of grinding protrusions, the cross section of the grinding protrusion is trapezoidal, and the grinding device is respectively matched with the plurality of grinding protrusions; The grinding device comprises a plurality of grinding discs, the plurality of grinding discs are fixedly connected through a horizontal shaft penetrating therebetween, the grinding disc is one-to-one corresponding to the grinding protrusion, and the two sides of the grinding cylinder are respectively provided with end covers, one of the end covers is provided with a through hole matched with the feeding cylinder, and the other end cover is provided with a semicircular groove, and the horizontal shaft is transmissionally connected with the grinding motor through the semicircular groove; The grinding cylinder is supported and rotated by four horizontally and diagonally arranged gears, the outer walls of the two ends of the grinding cylinder are respectively provided with meshing teeth matched with the gears, the two gears on the same side are connected through a transmission shaft, one end of the transmission shaft is connected with a transmission motor through the gear, and the transmission motor and the grinding motor are fixed on a support plate, and the support plate is fixed on the inner wall of the flour mill body; The grinding cylinder reciprocatingly rotates along the semicircular groove through the four gears, and the grinding disc is always in contact with the inner bottom surface of the grinding protrusion; The discharging hole is arranged on the grinding protrusion of the grinding cylinder, and in a normal state, the discharging hole is located directly above the grinding cylinder, and after the grinding cylinder rotates 180°, the discharging hole is located directly below the grinding cylinder.

2. A mill for ease of maintenance according to claim 1, characterized in that The bottom of the flour mill body is further provided with a discharging box, the discharging box corresponds to the opening and closing door, and the side wall surface of the discharging box is provided with an upwardly extending limiting rod.

3. A mill for ease of maintenance according to claim 1, characterized in that, The upper portion of the opening and closing door is provided with an inspection door, and the inspection door corresponds to the grinding cylinder.

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