CN210632195U

CN210632195U - Milling machine with secondary milling function

Info

Publication number: CN210632195U
Application number: CN201921277881.6U
Authority: CN
Inventors: 叶菊生; 叶蓬
Original assignee: Hongan Shenglun Metallurgical And Mineral Technology Industry Co Ltd
Current assignee: Hongan Shenglun Metallurgical And Mineral Technology Industry Co Ltd
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-05-29
Anticipated expiration: 2029-08-08

Abstract

A pulverizer with secondary grinding function comprises a pulverizer, wherein a grinding chamber is arranged in the pulverizer, a filter chamber is arranged below the grinding chamber, the filter chamber is communicated with the grinding chamber, a discharge port is arranged below the filter chamber, a filter screen is fixedly connected at the discharge port, the filter chamber is communicated with one end of a negative pressure circulating channel, the other end of the negative pressure circulating channel is communicated with the inside of the grinding chamber, a cleaning device is arranged above the filter screen, the cleaning device comprises a cleaning rotating rod, when the pulverizer is used, the bottom of the filter chamber is provided with the filter screen, fully ground raw materials can be filtered out from the filter screen, the non-fully ground raw materials can be left by the filter screen, the bottom of the filter chamber is connected with the lower end of the negative pressure circulating channel, a negative pressure fan is arranged on the negative pressure circulating channel, and the negative pressure fan pumps the non-filtered large-particle substances on the filter screen into the grinding chamber again for grinding, and secondary processing is carried out, so that grinding is more sufficient and uniform.

Description

Milling machine with secondary milling function

Technical Field

The utility model belongs to the technical field of the milling machine technique and specifically relates to a milling machine with secondary crocus function is related to.

Background

The pulverizer is widely applied to the pulverizing processing of mineral product materials in the fields of metallurgy, building materials, chemical industry, mines and the like, and is one of the most common raw material processing devices. Some milling machines among the prior art still have the unable abundant condition of grinding of the great granule of part after having ground the powder, need the manual work to take out not grind abundant raw materials and grind once more, the flow and the time of operation have been increased, the amount of labour is big, low efficiency, some milling machines add the filter screen in the discharge gate department of crocus, the filter screen filters out great granule, the top of filter screen sets up the air exhauster, the large granule of air exhauster with the filter screen top is taken out the crocus built-in once more and is ground, carry out secondary operation, but when the bore of filter screen is more hour, the material gathers and then blocks up the filter screen mouth very easily on the filter screen, for this we propose a milling machine that has secondary crocus function and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

To the above circumstances, for overcoming prior art's defect, the utility model provides a milling machine with secondary crocus function is used for solving above-mentioned problem.

In order to achieve the purpose, the utility model relates to a flour mill with secondary flour milling function, which comprises a flour mill, wherein a flour milling cavity is arranged in the flour mill, a filter cavity is arranged below the flour milling cavity, the filter cavity is communicated with the flour milling cavity, a discharge hole is arranged below the filter cavity, a filter screen is fixedly connected at the discharge hole, the filter cavity is communicated with one end of a negative pressure circulation channel, the other end of the negative pressure circulation channel is communicated with the inside of the flour milling cavity, a cleaning device is arranged above the filter screen and comprises a cleaning rotating rod, a cleaning brush is detachably connected on the cleaning rotating rod, one end of the cleaning rotating rod is hinged with the central position of the filter screen, the filter screen is of funnel-shaped structure, an annular guide track is fixedly connected on the inner wall of the filter screen close to the edge, and the other end of the cleaning rotating rod is connected with the guide track in a, the central point of filter screen puts the electric property and is fixed with the motor, the output shaft and the cleaning bull stick transmission of motor are connected.

Preferably, the lower surface of cleaning bull stick is embedded and is equipped with the brush cleaning draw-in groove, the both ends sliding connection of brush cleaning draw-in groove has two spring fixture blocks, the brush cleaning includes brush board and brush hair, the brush hair is fixed on the brush board surface, the brush board card is in the brush cleaning draw-in groove, spring fixture block sliding connection is on the surface of brush board.

Preferably, the filter screen passes through the support frame to be fixed at the lower extreme of filter chamber, fixedly connected with bearing on the support frame, the bearing is connected with the cleaning bull stick.

Preferably, the negative pressure circulation channel is arranged on the outer side of the flour mill, a negative pressure fan is electrically fixed on the negative pressure circulation channel, an air suction opening of the negative pressure fan is communicated with the filter cavity, and an air outlet of the negative pressure fan is communicated with the flour milling cavity.

1. When the utility model is used, the bottom of the filter cavity is provided with the filter screen, the fully ground raw materials can be filtered out from the filter screen, the non-fully ground raw materials can be left by the filter screen, the bottom of the filter cavity is connected with the lower end of the negative pressure circulation channel, the negative pressure circulation channel is provided with the negative pressure fan, the negative pressure fan pumps the non-filtered large-particle matters on the filter screen into the grinding cavity again for grinding, and secondary processing is carried out, so that the grinding is more fully and uniformly;

2. the utility model discloses a cleaning device's setting can prevent that the crushed aggregates that crocus chamber fell from gathering on the filter screen and blockking up the filter screen, and when changing the brush cleaner, the spring fixture block that slides backward puts aside spring fixture block from the brush cleaner brush soldier's surface and can take off old brush cleaner, and the brush board card with new brush cleaner is gone into the brush cleaner draw-in groove, blocks spring fixture block new brush cleaner can, convenient the change.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the schematic view of the installation structure of the cleaning rotating rod of the utility model.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: the device comprises a flour mill 1, a flour milling cavity 2, a filter cavity 3, a filter screen 4, a negative pressure circulating channel 5, a cleaning rotating rod 6, a cleaning brush 7, a guide rail 8, a motor 9, a spring clamping block 10, a support frame 11, a bearing 12 and a negative pressure fan 13.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying fig. 1-3.

As shown in figures 1-3, the utility model relates to a flour mill with secondary milling function, which comprises a flour mill 1, a milling cavity 2 is arranged in the flour mill 1, a filter cavity 3 is arranged below the milling cavity 2, the filter cavity is communicated with the milling cavity, and a discharge port is arranged below the filter cavity 3, the milling mechanism shown in figure 1 is two milling shafts, raw materials are added from the upper part of the milling shafts and are ground by the milling shafts, the milling of the flour mill 1 is the prior art and not only limited to the milling shafts, the raw materials which can be milled and ground fall into the filter cavity 3 below, the discharge port is fixedly connected with a filter screen 4, the filter cavity 3 is communicated with one end of a negative pressure circulating channel 5, the other end of the negative pressure circulating channel 5 is communicated with the inner part of the milling cavity 2, a cleaning device is arranged above the filter screen 4, the cleaning device comprises a rotating rod 6, a cleaning brush 7 is detachably connected on the rotating rod 6, one end of a cleaning rotating rod 6 is hinged with the center of a filter screen 4, the filter screen 4 is of a funnel-shaped structure, the inner wall of the filter screen 4 close to the edge is fixedly connected with an annular guide rail 8, the other end of the cleaning rotating rod 6 is connected with the guide rail 8 in a sliding manner, the center of the filter screen 4 is electrically fixed with a motor 9, the output shaft of the motor 9 is in transmission connection with the cleaning rotating rod 6, when in use, raw materials to be ground are added into a grinding chamber 2 of a pulverizer 1, the grinding chamber 2 grinds the raw materials, the ground raw materials fall onto a filter chamber 3 below, the filter screen 4 is arranged at the bottom of the filter chamber 3, the fully ground raw materials can be filtered out from the filter screen 4, the non-fully ground raw materials can be left by the filter screen 4, the bottom of the filter chamber 3 is connected with the lower end of a negative pressure circulating channel 5, a fan 13 is arranged on the negative pressure circulating channel 5, the negative pressure fan 13 pumps the non-filtered large, carry out secondary operation for the grinding is more abundant even, through cleaning device's setting, can prevent that the crushed aggregates that grinding chamber 2 fell from gathering on filter screen 4 and blockking up filter screen 4.

The lower surface of the cleaning rotating rod 6 is embedded with a cleaning brush clamping groove, two ends of the cleaning brush clamping groove are connected with two spring clamping blocks 10 in a sliding mode, a cleaning brush 7 comprises a brush plate and brush hair, the brush hair is fixed on the surface of the brush plate, the brush plate is clamped in the cleaning brush clamping groove, the spring clamping blocks 10 are connected on the surface of the brush plate in a sliding mode, an output shaft of a motor 9 can drive the cleaning rotating rod 6 to rotate when rotating, the cleaning rotating rod 6 can drive the cleaning brush 7 to rotate when rotating, the cleaning brush 7 can brush crushed aggregates on the surface of a filter screen 4 to prevent the filter screen 4 from being blocked, the cleaning brush 7 and the cleaning rotating rod 6 are detachably connected, when the cleaning brush 7 is replaced, the spring clamping blocks 10 are slid backwards to remove the spring clamping blocks 10 from the surface of a cleaning brush 7, the cleaning brush 7 can be taken down, the disassembly is convenient, when a new cleaning brush 7 is installed, the brush plate of the cleaning brush 7 is clamped into the cleaning brush clamping groove, the spring clamping block 10 slides to the surface of the brush board to fix the column cleaning brush 7.

The filter screen 4 is fixed at the lower end of the filter cavity 3 through a support frame 11, a bearing 12 is fixedly connected to the support frame 11, and the bearing 12 is connected with the cleaning rotating rod 6.

The negative pressure circulating channel 5 is arranged on the outer side of the flour mill 1, a negative pressure fan 13 is electrically fixed on the negative pressure circulating channel 5, an air suction opening of the negative pressure fan 13 is communicated with the filter cavity 3, and an air outlet of the negative pressure fan 13 is communicated with the flour milling cavity 2.

When the utility model is used, the raw material to be ground is added into the grinding chamber 2 of the flour mill 1, the grinding chamber 2 grinds the raw material, the ground raw material falls onto the lower filter chamber 3, the filter screen 4 is arranged at the bottom of the filter chamber 3, the raw material which is fully ground can be filtered out from the filter screen 4, the raw material which is not fully ground can be left by the filter screen 4, the bottom of the filter chamber 3 is connected with the lower end of the negative pressure circulating channel 5, the negative pressure circulating channel 5 is provided with the negative pressure fan 13, the negative pressure fan 13 pumps the large particle matters which are not filtered on the filter screen 4 into the grinding chamber 2 again for grinding, secondary processing is carried out, the grinding is more fully and uniformly, the crushed aggregates falling from the grinding chamber 2 can be prevented from gathering on the filter screen 4 to block the filter screen 4 through the arrangement of the cleaning device, when the clean brush 7 is replaced, the clean brush 7 can be taken down by moving the spring clamping block 10 from the surface of the clean brush 7 towards the backward sliding spring clamping block 10, the brush plate of the new cleaning brush 7 is clamped into the cleaning brush clamping groove, and the spring clamping block 10 is clamped on the new cleaning brush 7, so that the replacement is convenient.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a milling machine with secondary crocus function, includes milling machine (1), its characterized in that, be equipped with crocus chamber (2) in milling machine (1), the below in crocus chamber (2) is equipped with filter chamber (3), filter chamber and crocus chamber intercommunication, and the below of filter chamber (3) is equipped with the discharge gate, discharge gate department fixedly connected with filter screen (4), the one end intercommunication of filter chamber (3) and negative pressure circulation passageway (5), the other end of negative pressure circulation passageway (5) and the inside intercommunication in crocus chamber (2), cleaning device is installed to the top of filter screen (4), cleaning device is including cleaning bull stick (6), can dismantle on cleaning bull stick (6) and be connected with brush cleaner (7), the one end of cleaning bull stick (6) puts articulated the connection with the central point of filter screen (4), filter screen (4) are infundibulate structure, and inner wall fixedly connected with annular guide rail (8) that filter screen (4) are close to the edge, clean the other end and guide rail (8) sliding connection of bull stick (6), the central point of filter screen (4) puts the electric property and is fixed with motor (9), the output shaft of motor (9) with clean bull stick (6) transmission and be connected.

2. A mill with secondary milling function according to claim 1, characterized in that the lower surface of the cleaning rotating rod (6) is embedded with a cleaning brush slot, two spring blocks (10) are slidably connected to two ends of the cleaning brush slot, the cleaning brush (7) comprises a brush plate and brush bristles, the brush bristles are fixed on the surface of the brush plate, the brush plate is clamped in the cleaning brush slot, and the spring blocks (10) are slidably connected to the surface of the brush plate.

3. A mill with secondary grinding function according to claim 1, characterized in that the screen (4) is fixed at the lower end of the filter chamber (3) by a support frame (11), the support frame (11) is fixedly connected with a bearing (12), and the bearing (12) is connected with the sweeping rotary rod (6).

4. A mill with secondary milling function according to claim 1, characterized in that the negative pressure circulation channel (5) is arranged outside the mill (1), a negative pressure fan (13) is electrically fixed on the negative pressure circulation channel (5), the suction opening of the negative pressure fan (13) is communicated with the filter chamber (3), and the air outlet of the negative pressure fan (13) is communicated with the milling chamber (2).