Feeding device for grinding aid cement grinding
Technical Field
The utility model relates to the technical field of cement processing, in particular to a feeding device for grinding cement with grinding aids.
Background
The cement grinding aid is an additive which is needed in the cement production process, and the grinding aid is added into cement, so that the wear resistance of the cement can be improved, the strength of the cement in each age is obviously improved, the fluidity of the cement is improved, and the grinding aid is continuously added into a grinding mechanism by using a feeding device during cement grinding.
When the traditional feeding device is used, the bag mouth of the bagged additive needs to be opened manually, the opened bagged grinding aid is easy to spill out when being added into the feeding barrel, a large amount of dust appears, the surrounding environment is polluted, and the practicability is poor.
Disclosure of utility model
The utility model aims to provide a feeding device for grinding cement with grinding aids, which is provided with the functions of integrally adding the bagged grinding aids into a feeding barrel and automatically opening bags through a bag opening mechanism, so that dust pollution to the environment is avoided, the practicability of the device is improved, and the problems in the background art are solved.
The feeding device comprises a feeding barrel, a bag opening mechanism and a control box, wherein a feeding hole is formed in the middle of the top of the feeding barrel, a feeding hopper is arranged at the top of the feeding hole, a U-shaped frame is arranged right below the feeding hole at the top of the feeding barrel, a rectangular notch is formed in the middle of a U-shaped frame beam, the bag opening mechanism is arranged below the U-shaped frame in the feeding barrel, a discharging hole is formed in the middle of the bottom of the feeding barrel, a feeding pipe is arranged at the position of the discharging hole, the lower end of the feeding pipe is fixed at the bottom of the feeding barrel through a fixed sleeve, the bottom of the upper end of the feeding pipe is supported on the ground through a supporting rod, a feeding motor is arranged at the left end of the feeding pipe, a conveying stirring wheel is arranged in the feeding motor in a rotating mode, an output shaft of the feeding motor is connected with a conveying stirring shaft through a flange, and a discharging nozzle is arranged at the bottom of the right end of the feeding pipe.
Preferably, four supporting legs are arranged at four corners of the bottom end of the feeding barrel in an annular array. Through setting up four supporting legs, realize carrying out stable support to throwing the bucket.
Preferably, the dustproof cover is arranged at the feed inlet of the feed hopper, and a notch is formed in the middle of the dustproof cover. Through setting up dustproof skin, realize throwing the storage bucket and have dustproof effect when adding grinding aid.
Preferably, the bag opening mechanism comprises two electric telescopic rods, two sleeve posts, two sliding posts, two tool holders and two cutting tools, wherein the two sleeve posts are inserted into a charging barrel and welded on the charging barrel, the electric telescopic rods are installed at one ends of the outer sides of the two sleeve posts, the sliding posts are installed at one ends of the inner sides of the two sleeve posts in an inserted mode, the extending ends of the two electric telescopic rods are fixed on the two sliding posts, the tool holders are installed at the other ends of the two flower sliding posts, and the two cutting tools penetrate through rectangular notch openings and are installed on the tool holders through screws. Through setting up the mechanism of seting up, realize automatic grinding aid in bags and scratch out.
Preferably, two rectangular iron blocks are symmetrically arranged on the output shaft of the discharge end of the conveying stirring wheel. Through setting up two rectangle iron plates, realize driving the material fast to the discharge gate.
Preferably, the control box is arranged at the outer side of the left supporting leg and is electrically connected with the feeding motor and the electric telescopic rod respectively. Through setting up the control box, realize being convenient for overall control throw material motor and electric telescopic handle start stop work.
Compared with the prior art, the utility model has the following beneficial effects:
When the grinding aid is added, the whole bag of the grinding aid is added from the feed hopper, the two scribing cutters are inserted under the action of gravity when the bottom of the bag of the grinding aid contacts the U-shaped frame, the two electric telescopic rods are started through the control box, the two electric telescopic rods work to drive the two sliding columns to retract into the sleeve column, and the two scribing cutters move along with the movement to scribe the bag opening, so that the bag grinding aid is integrally added into the feeding barrel, and the bag is automatically opened through the bag opening mechanism, so that dust pollution to the environment is avoided, and the practicability of the device is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an external view of the present utility model;
FIG. 3 is a schematic view of the internal structure of the feeding tube of the present utility model.
The device comprises a fixing sleeve, a feeding pipe, a discharging opening, a feeding motor, a feeding barrel, a supporting leg, a control box, an electric telescopic rod, a sleeve column, a feeding hopper, a dustproof cover, a U-shaped frame, a sliding column, a rectangular notch, a cutter holder, a cutter, a supporting rod, a discharging nozzle, a conveying stirring wheel and a rectangular iron block, wherein the fixing sleeve, the feeding pipe, the discharging opening, the feeding motor, the feeding barrel, the supporting rod, the control box, the electric telescopic rod, the sleeve column, the feeding hopper, the dustproof cover, the U-shaped frame, the sliding column, the rectangular notch, the cutter holder, the cutter, the supporting rod, the discharging nozzle, the conveying stirring wheel and the rectangular iron block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to figures 1 to 3, the utility model provides a grinding aid cement grinding feeding device, which comprises a feeding barrel 5, a bag opening mechanism and a control box 7, wherein four corners at the bottom end of the feeding barrel 5 are provided with four supporting legs 6 in an annular array, a feeding hole is arranged in the middle of the top of the feeding barrel 5, a feeding hopper 10 is arranged at the top of the feeding hole, a dustproof leather 11 is arranged at the feeding hole of the feeding hopper 10, a notch is arranged in the middle of the dustproof leather 11, a U-shaped frame 12 is arranged at the top end of the inside of the feeding barrel 5 and is positioned under the feeding hole, a rectangular notch 14 is arranged in the middle of a cross beam of the U-shaped frame 12, a bag opening mechanism is arranged in the feeding barrel 5 and is composed of two electric telescopic rods 8, two sleeve posts 9, two sliding posts 13 and two knife blades 16, the two sleeve posts 9 are inserted into the inside of the feeding barrel 5 and welded on the feeding barrel, one end of the two sleeve posts 8 is provided with an electric telescopic rod 13, one end of the inner side of the sliding posts 13 is inserted into the sliding posts 13, the two electric telescopic rods 8 are fixedly extend out of the two sliding posts 13 from the two sleeve posts 13 and are driven by two sliding posts 16 to extend from the two sliding posts 16 to the two sliding posts 13 to be contacted with each other through the two sliding posts 16, and a bag opening mechanism is arranged under the two sliding posts 16 and is arranged under the sliding posts 16.
The feeding barrel 5 is provided with a blanking hole 3 in the middle of the bottom, a feeding pipe 2 is arranged at the blanking hole 3, the lower end of the feeding pipe 2 is fixed at the bottom of the feeding barrel 5 through a fixing sleeve 1, the bottom of the upper end of the feeding pipe is supported on the ground through a supporting rod 17, a feeding motor 4 is arranged at the left end of the feeding pipe 2, a conveying stirring wheel 19 is arranged in the feeding pipe in a rotating mode, an output shaft of the feeding motor 4 is connected with a rotating shaft of the conveying stirring wheel 19 through a flange, two rectangular iron blocks 20 are symmetrically arranged on an output shaft of a discharge end of the conveying stirring wheel 19, a discharge nozzle 18 is arranged at the bottom of the right end of the feeding pipe 2, grinding aid can fall into the feeding barrel 5 and is conveyed along the blanking hole 3 through the feeding pipe 2, the conveying stirring wheel 19 is driven to rotate, the two rectangular iron blocks 20 start to rotate to drive the grinding aid to the discharge nozzle 18, and finally the grinding aid enters the grinding mechanism from the discharge nozzle 18 to be ground together with cement clinker. The control box 7 is installed in the outside position of the left supporting leg 6, and the control box 7 is respectively electrically connected with the feeding motor 4 and the electric telescopic rod 8.
The motors of the utility model are designed by adopting a small-sized servo motor-14 HS2408 model, the model motor is only selected by referring to the technical field, the technical field can select motors with the same parameters and functions according to actual production requirements for installation and debugging, and the utility model is not repeated.
When the grinding aid feeding device is used, firstly, the feeding motor 4 is started through the control box 7, then the whole bag of grinding aid is added from the feeding hopper 10, when the bottom of the bag of grinding aid contacts the U-shaped frame 12, the two cutting knives 16 are inserted under the action of gravity, the two electric telescopic rods 8 are started through the control box 7, the two electric telescopic rods 8 work to drive the two sliding columns 13 to retract into the sleeve column 9, the two cutting knives 16 move along with the movement to cut open the bag mouth, the grinding aid can fall into the feeding barrel 5 and flow into the feeding pipe 2 in the machine along the discharging mouth 3, the feeding motor 4 works to drive the conveying stirring wheel 19 to rotate to convey the grinding aid, the two rectangular iron blocks 20 start to rotate to drive the grinding aid to the discharging mouth 18, and finally the grinding aid enters the grinding mechanism from the discharging mouth 18 to grind cement clinker.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.