Stirring device for filling materials for coal mine filling mining

Abstract

The utility model discloses a stirring device for coal mine filling and mining filling materials, and relates to the technical field of stirring of the coal mine filling and mining filling materials. The stirring device comprises a stirring barrel, a cover plate is installed at an upper end opening of the stirring barrel through bolts, a stirring rod is rotationally arranged on the cover plate, a plurality of stirring blades are fixed to the upper side of the surface of the stirring rod, the stirring blades are matched with an inner cavity of the stirring barrel, and spiral blades are arranged on the lower side of the surface of the stirring rod. Two scraping plates are oppositely arranged on the lower side in the stirring barrel, a plurality of fixing rods are fixed between the scraping plates and the stirring rod, a scraping ring is movably arranged on the upper side in the stirring barrel, the scraping plates and the scraping ring are matched with the inner wall of the stirring barrel, and a reciprocating moving assembly is arranged between the stirring rod and the scraping ring, so that the scraping ring is conveniently driven to reciprocate up and down in the stirring process; raw materials adhered to the inner wall of the stirring barrel are scraped, so that the equipment is convenient to clean after stirring is finished.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of coal mine filling mining filling material mixing, especially relates to a kind of coal mine filling mining filling material's mixing device. BACKGROUND

[0002] Coal seam mining will cause surface subsidence, when ground exists building structure, need to be moved in advance then coal mining, due to the difficulty of mobilization work, high cost, long cycle and other factors, many mines use the way of filling to mining in goaf.In the process of filling material preparation, mixing equipment is needed to mix different raw materials of filling material to ensure the quality and use effect of filling material.

[0003] Publication No. "CN214148825U" discloses "a kind of for coal mine filling mining filling material's mixing device", in the process of using, first by starting lifting motor, so that lifting motor drives lifting rod to lower rotating table to appropriate position, then start motor to make the stirring rod fixed on rotating table rotate, after the material to be stirred is added, stirring rod and rotating table can meet high-speed rotation, so that the stirring efficiency and working efficiency are greatly improved.

[0004] The above prior art still has the following shortcomings in the implementation process:

[0005] The stirring rod fixed on rotating table is rotated by motor, which can only stir in a single direction, and the stirring method is relatively single, the stirring effect is poor, and there is no corresponding cleaning mechanism, in the stirring process, raw materials are easy to adhere to the inner wall of stirring container, causing resource waste, and inconvenient cleaning after stirring.

[0006] In view of the above problems, we propose a kind of coal mine filling mining filling material's mixing device. INVENTION CONTENTS

[0007] TECHNICAL SCHEME

[0008] In order to solve the above technical problems, the utility model provides a kind of coal mine filling mining filling material's mixing device, including stirring barrel, the upper port of stirring barrel is equipped with cover plate by bolt, the cover plate is rotationally provided with stirring rod, a plurality of stirring blades are fixed on the upper side of the surface of stirring rod, and are matched with the inner cavity of stirring barrel, the lower side of the surface of stirring rod is provided with spiral blade, two scrapers are oppositely arranged in the lower side of the inner part of stirring barrel, a plurality of fixed rods are fixed between the scraper and stirring rod, scraper and scraping ring are movably arranged in the upper side of the inner part of stirring barrel, the scraper and scraping ring are matched with the inner wall of stirring barrel, and reciprocating moving assembly is arranged between stirring rod and scraping ring.

[0009] The reciprocating moving assembly comprises a driving gear, a driven gear, a reciprocating wire rod, a movable plate, a piston rod and a push plate, the upper end of the stirring rod extends outside the cover plate and is connected with the driving gear, the cover plate is rotationally provided with a rotating shaft on the outer surface, the driven gear is arranged on the rotating shaft, and the driving gear is engaged with the driven gear, the lower end of the reciprocating wire rod is fixedly connected with the upper end of the rotating shaft, and the movable plate is threadedly arranged on the reciprocating wire rod.

[0010] Two through holes are formed in the surface of the cover plate, the two piston rods are movably arranged in the two through holes respectively, the upper and lower ends of the piston rod are connected with the movable plate and the scraping ring respectively, and the push plates are fixedly arranged on one side of the scraping ring close to the stirring rod.

[0011] The bottom of the stirring barrel is communicated with a discharging pipe, the lower end of the stirring rod extends to the inner side of the discharging pipe, the lower part of the spiral blade is matched with the inner cavity of the discharging pipe, and the valve is arranged on the discharging pipe.

[0012] The outer side of the stirring barrel is provided with a fixing frame, the upper end of the stirring rod is connected with a servo motor, a plurality of lifting lugs are fixed on the surface of the cover plate, an L-shaped support plate is fixed on the top of the cover plate, the upper end of the reciprocating wire rod is rotationally matched with the support plate, and the servo motor is arranged on the inner side of the support plate.

[0013] The surface of the cover plate is communicated with a feeding hopper, the lower part of the stirring barrel is in a funnel structure, the stirring barrel is composed of an aluminum-magnesium brick furnace body and a carbon tube lining welded on the inner surface of the aluminum-magnesium brick furnace body, the lower surface of the aluminum-magnesium brick furnace body is provided with a circular hole, and a water outlet pipe is arranged in the circular hole.

[0014] Compared with the prior art, the beneficial effects of the utility model lie in:

[0015] The stirring rod and the stirring blade are matched with each other, so that the materials on the upside of the stirring barrel can be stirred and mixed in the horizontal direction, the fixed rod and the spiral blade are driven to rotate synchronously in the process of rotating the stirring rod, the materials on the downside of the stirring barrel can be stirred in the horizontal direction, and the materials adhered to the downside of the inner wall of the stirring barrel can be scraped off in combination with the cooperation between the scraper and the inner wall of the stirring barrel.

[0016] The spiral blade and the inner cavity of the discharging pipe are matched with each other, so that the filled materials after mixing can be discharged after the stirring is completed.

[0017] Meanwhile, through the meshing of the driving gear and the driven gear, combined with the rotation of the shaft and the cover plate, the reciprocating screw rod is driven to rotate while the stirring rod rotates, under the thread cooperation of the reciprocating screw rod and the movable plate, the movable plate is driven to reciprocate up and down, combined with the movable cooperation of the piston rod and the through hole, the scraper ring is further driven to reciprocate up and down along the inner wall of the stirring barrel, and the raw materials adhered to the upper side of the inner wall of the stirring barrel are scraped, so that the problem that there is no corresponding cleaning mechanism when the raw materials of the filling material are stirred in the prior art is solved, the raw materials are easy to adhere to the inner wall of the furnace body during the stirring process, resource waste is caused, and the cleaning after the stirring is completed is not convenient.

[0018] In the process of reciprocating up and down of the scraper ring, the raw materials in the stirring barrel are stirred in the vertical direction by the push plate, and the stirring effect of the raw materials is further improved, and the problem that the stirring rod fixed on the rotating table is driven to rotate by a motor to achieve the purpose of stirring raw materials in the prior art is solved, and the stirring can only be carried out in a single direction, and the stirring mode is relatively single, and the stirring effect is poor. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic view of the overall structure of the utility model;

[0020] Figure 2 It is a top view of the utility model;

[0021] Figure 3 It is Figure 2 a structural schematic view of section A-A;

[0022] Figure 4 It is Figure 3 an enlarged structural schematic view of B;

[0023] Figure 5 It is a structural schematic view of the stirring rod in the utility model;

[0024] Figure 6 It is Figure 5 an enlarged structural schematic view of C.

[0025] The marks in the drawings are: 1, stirring barrel; 2, cover plate; 3, stirring rod; 4, stirring blade; 5, spiral blade; 6, scraper; 7, fixed rod; 8, scraper ring; 9, driving gear; 10, driven gear; 11, reciprocating screw rod; 12, movable plate; 13, piston rod; 14, push plate; 15, discharge pipe; 16, fixed frame; 17, servo motor; 18, lifting lug; 19, support plate; 20, feeding hopper. DETAILED DESCRIPTION

[0026] The specific embodiment is a kind of coal mine filling mining filling material stirring device, such as Figures 1-6As shown, the mixing device for filling material of coal mine filling mining, including the mixing bucket 1, the mixing bucket 1 upper port is installed with the cover plate 2 through bolt, the cover plate 2 is rotationally arranged with the stirring rod 3, the stirring rod 3 surface upper side is fixed with several stirring blades 4, and is matched with the mixing bucket 1 inner cavity, the stirring rod 3 surface lower side is provided with spiral blade 5, the mixing bucket 1 inside lower side is oppositely provided with two scrapers 6, the scraper 6 is fixed with several fixed rods 7 between the stirring rod 3, the mixing bucket 1 inside upper side is movably provided with the scraper ring 8, the scraper 6 and the scraper ring 8 are matched with the mixing bucket 1 inner wall, the stirring rod 3 is provided with reciprocating movement assembly between the scraper ring 8.

[0027] Through the cooperation of stirring rod 3 and stirring blade 4, it is convenient to stir and mix the raw materials on the inside upper side of the mixing bucket 1 in the horizontal direction. In the process of rotating the stirring rod 3, the fixed rod 7 and the spiral blade 5 are driven to rotate synchronously, which facilitates the stirring of the raw materials on the inside lower side of the mixing bucket 1 in the horizontal direction. The stirring effect of the device is effectively improved. In combination with the cooperation of the scraper 6 and the inner wall of the mixing bucket 1, the raw materials adhered to the lower side of the inner wall of the mixing bucket 1 can be scraped off.

[0028] The reciprocating movement assembly includes a driving gear 9, a driven gear 10, a reciprocating screw rod 11, a movable plate 12, a piston rod 13 and a push plate 14. The upper end of the stirring rod 3 extends outside the cover plate 2 and is connected to the driving gear 9. The cover plate 2 is rotationally arranged on the outer surface of the shaft. The driven gear 10 is arranged on the shaft, and the driving gear 9 is engaged with the driven gear 10. The lower end of the reciprocating screw rod 11 is fixedly connected to the upper end of the shaft. The movable plate 12 is threadedly arranged on the reciprocating screw rod 11. Two through holes are formed in the surface of the cover plate 2. Two piston rods 13 are movably arranged in the two through holes, respectively. The upper and lower ends of the piston rod 13 are connected to the movable plate 12 and the scraper ring 8, respectively. A plurality of push plates 14 are obliquely fixed to one side of the scraper ring 8 close to the stirring rod 3.

[0029] Through the meshing action of the driving gear 9 and the driven gear 10, in combination with the rotating cooperation of the shaft and the cover plate 2, the stirring rod 3 is rotated, and the reciprocating screw rod 11 is driven to rotate. Under the thread cooperation of the reciprocating screw rod 11 and the movable plate 12, the movable plate 12 is driven to reciprocate up and down. In combination with the movable cooperation of the piston rod 13 and the through hole, the scraper ring 8 is driven to reciprocate up and down along the inner wall of the mixing bucket 1, and the raw materials adhered to the upper side of the inner wall of the mixing bucket 1 are scraped off. The problem that there is no corresponding cleaning mechanism when the raw materials of the filling material are stirred in the prior art is solved. The raw materials are easily adhered to the inner wall of the furnace body during the stirring process, which causes resource waste and is not convenient for cleaning after the stirring is completed. Under the action of the obliquely arranged push plate 14, the raw materials inside the mixing bucket 1 are stirred in the vertical direction by the push plate 14 during the reciprocating movement of the scraper ring 8, which further improves the stirring effect of the raw materials.

[0030] The bottom of the stirring barrel 1 is communicated with a discharge pipe 15, the lower end of the stirring rod 3 extends to the inside of the discharge pipe 15, and the lower part of the spiral blade 5 is matched with the inner cavity of the discharge pipe 15, and a valve is installed on the discharge pipe 15.

[0031] A fixed frame 16 is arranged outside the stirring barrel 1, a servo motor 17 is connected to the upper end of the stirring rod 3, a plurality of lifting lugs 18 are fixed on the surface of the cover plate 2, an L-shaped support plate 19 is fixed on the top of the cover plate 2, the upper end of the reciprocating screw rod 11 is rotationally matched with the support plate 19, the servo motor 17 is arranged inside the support plate 19, and the stability of the reciprocating screw rod 11 is ensured through the support plate 19, wherein the lifting lug 18 facilitates hoisting of the cover plate 2, and the stirring rod 3 and the stirring blade 4 and other components are moved outside the stirring barrel 1.

[0032] A feeding hopper 20 is communicated with one side of the surface of the cover plate 2, the lower part of the stirring barrel 1 is in a funnel structure, the stirring barrel 1 is composed of an aluminum-magnesium brick furnace body and a carbon tube lining welded on the inside surface of the aluminum-magnesium brick furnace body, a round hole is arranged on the lower surface of the aluminum-magnesium brick furnace body, and a water outlet pipe is arranged in the round hole.

[0033] Embodiment:

[0034] In use, first, the raw materials of the filling material are put into the inside of the stirring barrel 1 through the feeding hopper 20, and the servo motor 17 is started, the stirring rod 3 is driven to rotate by the servo motor 17, in the process of rotating the stirring rod 3, the stirring blade 4, the spiral blade 5 and the fixed rod 7 are synchronously rotated, and the raw materials in the inside of the stirring barrel 1 are stirred and mixed;

[0035] Under the meshing action of the driving gear 9 and the driven gear 10, the reciprocating screw rod 11 is driven to rotate, under the thread cooperation of the reciprocating screw rod 11 and the movable plate 12, the movable plate 12 is driven to reciprocate up and down, in combination with the movable cooperation of the piston rod 13 and the through hole, the scraper ring 8 is further driven to reciprocate up and down along the inner wall of the stirring barrel 1, and the raw materials adhered to the upper side of the inner wall of the stirring barrel 1 are scraped off, solving the drawbacks that in the prior art, there is no corresponding cleaning mechanism when the raw materials of the filling material are stirred, the raw materials are easily adhered to the inner wall of the furnace body in the stirring process, resources are wasted, and cleaning after the stirring is completed is inconvenient;

[0036] In the process of reciprocating up and down of the scraper ring 8, the raw materials in the inside of the stirring barrel 1 are stirred in the vertical direction by the push plate 14, and the stirring effect of the raw materials is further improved;

[0037] After the stirring is completed, the valve on the discharge pipe 15 is opened, and the mixed filling material is outputted outward under the action of the spiral blade 5.

[0038] Compared with the prior art, the utility model discloses through the mutual cooperation of stirring rod 3, stirring blade 4, spiral blade 5 and fixed rod 7, the raw materials in the inside stirring barrel 1 are mixed, and under the joint action of driving gear 9, driven gear 10, reciprocating screw rod 11, movable plate 12 and piston rod 13, reciprocate up and down on the obliquely arranged push plate 14, agitate the raw materials in the inside stirring barrel 1 in the vertical direction, effectively improve the stirring effect of the equipment, solve the prior art only through the motor drives the stirring rod fixed on the rotating table to rotate, reach the purpose of stirring raw materials, only can along single direction stirring, and the stirring mode is relatively single, lead to the disadvantage of poor stirring effect,

[0039] Wherein in the mutual cooperation of scraper 6 and scraper ring 8, in the stirring process, along the inside wall of stirring barrel 1 moves, and the raw materials adhered to the inside wall of stirring barrel 1 are scraped, solve the prior art when the raw materials of filling material are stirred, lack corresponding cleaning mechanism, in the stirring process, raw materials are easy to adhere to the inside wall of furnace body, cause the waste of resources, and the disadvantage of inconvenient cleaning after stirring is ended, facilitate use;

[0040] Meanwhile cover plate 2 and stirring barrel 1 are fixedly connected through a plurality of bolts, and the lifting lug 18 is arranged on the cover plate 2, which facilitates lifting the cover plate 2 after use, and further facilitates cleaning after use, and overhauling, maintaining and replacing the components in the stirring barrel 1.

[0041] It should be further pointed out that the installation structure, connection mode or setting mode of each component in the utility model are common mechanical modes, as long as the beneficial effects can be achieved, and the servo motor 17 in the utility model is purchased on the market, and the skilled person in the art can install and use according to requirements;

[0042] The stirring barrel 1 is the prior art disclosed, and the specific structure will not be described here.

[0043] All the technical features in the embodiment can be freely combined according to actual needs.

[0044] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details, and the utility model is not limited to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The embodiments are selected and described in the specification in order to better explain the principles and practical application of the utility model, so that the skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents.

Claims

1. A mixing device for coal mine backfilling materials, comprising a mixing tank (1), characterized in that, The upper end of the mixing tank (1) is bolted with a cover plate (2). A stirring rod (3) is rotatably mounted on the cover plate (2). Several stirring blades (4) are fixed on the upper surface of the stirring rod (3) and cooperate with the inner cavity of the mixing tank (1). A spiral blade (5) is provided on the lower surface of the stirring rod (3). Two scrapers (6) are arranged opposite each other on the lower inside of the mixing tank (1). Several fixing rods (7) are fixed between the scrapers (6) and the stirring rod (3). A scraper ring (8) is movably arranged on the upper inside of the mixing tank (1). Both the scrapers (6) and the scraper ring (8) cooperate with the inner wall of the mixing tank (1). A reciprocating moving component is provided between the stirring rod (3) and the scraper ring (8).

2. The mixing device for coal mine backfilling materials according to claim 1, characterized in that, The reciprocating moving assembly includes a driving gear (9), a driven gear (10), a reciprocating screw (11), a movable plate (12), a piston rod (13), and a dial plate (14). The upper end of the stirring rod (3) extends out of the cover plate (2) and is connected to the driving gear (9). A rotating shaft is rotatably provided on the outer surface of the cover plate (2). The driven gear (10) is mounted on the rotating shaft, and the driving gear (9) meshes with the driven gear (10). The lower end of the reciprocating screw (11) is fixedly connected to the upper end of the rotating shaft. The movable plate (12) is threaded onto the reciprocating screw (11).

3. The mixing device for coal mine backfilling materials according to claim 2, characterized in that, The cover plate (2) has two through holes on its surface. The two piston rods (13) are respectively movably arranged in the two through holes. The upper and lower ends of the piston rods (13) are respectively connected to the movable plate (12) and the scraper ring (8). Several of the paddle plates (14) are inclined and fixed on the side of the scraper ring (8) near the stirring rod (3).

4. The mixing device for coal mine backfilling materials according to claim 3, characterized in that, The bottom of the mixing tank (1) is connected to the discharge pipe (15), the lower end of the stirring rod (3) extends to the inside of the discharge pipe (15), and the lower part of the spiral blade (5) cooperates with the inner cavity of the discharge pipe (15). A valve is installed on the discharge pipe (15).

5. A mixing device for coal mine backfilling materials according to claim 4, characterized in that, A fixing frame (16) is provided on the outside of the mixing tank (1), a servo motor (17) is connected to the upper end of the stirring rod (3), a number of lifting lugs (18) are fixed on the periphery of the cover plate (2), an L-shaped support plate (19) is fixed on the top of the cover plate (2), the upper end of the reciprocating screw (11) is rotatably engaged with the support plate (19), and the servo motor (17) is located inside the support plate (19).

6. A mixing device for coal mine backfilling materials according to claim 5, characterized in that, The cover plate (2) has a feed hopper (20) connected to one side of its surface. The lower part of the mixing tank (1) has a funnel-shaped structure. The mixing tank (1) is composed of an aluminum-magnesium brick furnace body and a carbon tube lining welded to the inner surface of the aluminum-magnesium brick furnace body. The lower surface of the aluminum-magnesium brick furnace body is provided with a round hole, and a water outlet pipe is provided in the round hole.

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