CN220159884U

CN220159884U - Feeding device

Info

Publication number: CN220159884U
Application number: CN202321548332.4U
Authority: CN
Inventors: 刘亚; 陈光荣
Original assignee: Jiangsu Huimai Powder Technology Co ltd
Current assignee: Jiangsu Huimai Powder Technology Co ltd
Priority date: 2023-06-17
Filing date: 2023-06-17
Publication date: 2023-12-12
Anticipated expiration: 2033-06-17

Abstract

The utility model provides a feeding device, which comprises a bin, wherein a conical hopper with a wide upper part and a narrow lower part is fixed at the lower end of the bin, a material discharging pipe is arranged at the lower end of the conical hopper, a bin cover is arranged at the upper end of the bin, a motor is arranged on the upper surface of the bin cover, the output end of the motor penetrates through the bin cover and is provided with a transmission shaft, the lower end of the transmission shaft extends into the material discharging pipe and is fixedly connected with a screw rod, the screw rod is slidably arranged in the material discharging pipe, a plurality of stirring rods are uniformly arranged on the outer surface of one end, close to the screw rod, of the transmission shaft, a separation disc is arranged on the upper side of the stirring rods, penetrating holes are formed in the middle of the upper surface of the separation disc, a plurality of material leakage openings are formed in an annular equidistant manner on one side, and a blocking piece for blocking the material leakage openings is arranged on the upper side of the material leakage openings. The motor is in an idle starting state, and the requirement on the connection strength of the stirring rod and the transmission shaft is reduced.

Description

Feeding device

Technical Field

The utility model relates to a feeding device, and belongs to the field of feeding.

Background

The superfine spherical silica generally refers to nano/submicron spherical silica, the particles of the silica are 10-1000 nanometers, when the silica powder reaches the nanometer level, the specific surface of the particles is large, the surface energy of the particles is large, hydrogen bonds are easily formed among the particles due to hydroxyl groups, the particles are agglomerated and bonded, the surface of the powder is subjected to electrostatic adsorption and other problems, so that the powder has very poor fluidity, a powder feeding device is easy to block, the powder cannot be fed due to electrostatic bridging, and the like. In order to avoid the problem, a screw rod is usually arranged in a discharge pipe at the bottom of a storage bin, a motor is used for driving the screw rod to rotate in the discharge pipe, so that superfine spherical silica in the storage bin is driven to be discharged by the screw rod, meanwhile, a stirring rod is arranged on a transmission shaft for connecting the motor and the screw rod, the stirring rod is positioned at a position close to the screw rod, and then rotates along with the rotation of the screw rod, so that the stirring rod plays a role in stirring superfine spherical silica around the screw rod, the situation of bridging is prevented, when more superfine spherical silica in the storage bin exists, the stirring rod is positioned at the lower side in the storage bin, the resistance to which the stirring rod is subjected is larger when the motor drives the stirring rod to rotate, the motor is in a larger load state when the stirring rod is started, and meanwhile, the stirring rod is subjected to larger resistance, so that the requirement on the connection strength of the stirring rod and the transmission shaft is higher, and therefore, a feeding device which enables the motor to be in a no-load starting state and has lower requirement on the connection strength of the stirring rod and the transmission shaft is needed to be designed.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a feeding device so as to solve the problems in the background art, and the utility model realizes that a motor is in an idle starting state and reduces the requirement on the connection strength of a stirring rod and a transmission shaft.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a feeding device, includes the feed bin that is used for storing superfine spherical silica, the feed bin lower extreme is fixed with wide taper fill of upper and lower narrow, the taper fill lower extreme is installed and is discharged the material pipe, the bin lid is installed to the feed bin upper end, surface mounting has the motor on the bin lid, the motor output runs through the bin lid and installs the transmission shaft, the transmission shaft lower extreme extends to row intraductally and is connected and is fixed with the hob, hob slidable mounting is intraductal in arranging, the transmission shaft is close to the one end surface of hob evenly installs a plurality of puddles, the puddler upside is equipped with the baffle, the baffle is fixed in the taper is fought, the jack has been seted up to baffle upper surface middle part position, the transmission shaft runs through the jack, the one side that the baffle upper surface is close to the transmission shaft is the annular equidistance and has seted up a plurality of weeping mouths, weeping mouthful upside is equipped with the shutoff piece that is used for the shutoff weeping mouthful.

Further, the shutoff piece includes the closure plate, the drain hole upside is equipped with the closure plate, closure plate slidable mounting is at the baffle upper surface, a plurality of cylinders are evenly installed to the toper fight surface, the cylinder expansion end extends to in the toper fight and connects fixedly with the connecting rod, the one end that the cylinder was kept away from to the connecting rod is connected fixedly with the closure plate.

Further, one end of the blocking plate, which is close to the connecting rod, is fixedly connected with the supporting lugs, and one end of the connecting rod, which is far away from the air cylinder, is fixedly connected with the supporting lugs.

Further, one surface of the blocking plate far away from the supporting lugs is provided with an inclined surface, and the inclined surface is inclined towards the direction far away from the connecting rod.

Further, the peripheral surface of the bin cover is provided with a straight edge, and a movable cover for plugging the bin is hinged to the straight edge.

Further, the upper layer one end that the puddler kept away from the transmission shaft is connected and is fixed with soft rubber pole, soft rubber pole keeps away from the one end of puddler and extends to in the weeping mouth.

Further, the inner wall of the bin is coated with a tetrafluoro coating, and the inner wall of the conical hopper is coated with a tetrafluoro coating.

The utility model has the beneficial effects that:

1. when the motor is used for driving the transmission shaft to rotate, the transmission shaft drives the stirring rod and the spiral rod to rotate, the spiral rod drives the superfine spherical silica in the storage bin to be discharged, the stirring rod rotates to loosen the superfine spherical silica close to the spiral rod, the superfine spherical silica is prevented from bridging, when the superfine spherical silica in the storage bin is required to be stopped from being discharged, the cylinder is controlled to stretch, the cylinder drives the blocking plate to move on the separation disc through the connecting rod, the blocking plate moves to the position right above the material leakage opening, the material leakage opening is blocked, the motor is enabled to operate for a period of time, the superfine spherical silica on the lower side of the separation disc is discharged, no superfine spherical silica exists around the spiral rod and the stirring rod, when the motor is started again, the motor is enabled to be in an idle starting state because the superfine spherical silica is not wrapped around the spiral rod and the stirring rod, the requirement on the connection strength of the stirring rod is reduced, after the motor is completely started, the cylinder is controlled to shrink, the blocking plate and the material leakage opening are misplaced, and the superfine spherical silica in the storage bin is leaked through the material leakage opening.

2. When the motor drives the stirring rod to rotate through the transmission shaft, the stirring rod drives the soft rubber rod to rotate, so that one end of the soft rubber rod, which is far away from the stirring rod, repeatedly enters and exits the plurality of leakage openings, the effect of loosening ultrafine spherical silica in the leakage openings is achieved, and the ultrafine spherical silica can smoothly pass through the leakage openings.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic view of a charging device according to the present utility model;

FIG. 2 is a cross-sectional view of a charging device according to the present utility model;

FIG. 3 is an enlarged view of FIG. 2 at A;

in the figure: 1-bin, 2-bin cover, 3-motor, 4-movable cover, 5-cylinder, 6-cone hopper, 7-discharge pipe, 8-transmission shaft, 9-separation disc, 10-closure plate, 11-discharge port, 12-stirring rod, 13-screw rod, 14-inclined plane, 15-soft rubber rod, 16-connecting plate and 17-connecting rod.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1 and 2, the present utility model provides a technical solution: the utility model provides a feeding device, including being used for storing superfine spherical silica's feed bin 1, feed bin 1 lower extreme is fixed with the toper fill 6 of upper width down narrowly, toper fill 6 lower extreme installation and row material pipe 7, under the effect of toper fill 6, be convenient for make superfine spherical silica assemble in row material pipe 7 department, feed bin 1 upper end is installed bin lid 2, bin lid 2 outer peripheral face processing has the straight flange, wherein the straight flange articulates there is the movable cover 4 that is used for shutoff feed bin 1, bin lid 2 and movable cover 4 combined action realize the shutoff to feed bin 1 upper end, be convenient for add superfine spherical silica to feed bin 1 after opening movable cover 4, the coating tetrafluoro coating on feed bin 1 inner wall, and the coating tetrafluoro coating on toper fill 6 inner wall, prevent material contamination, tetrafluoro coating surface lubricity is high, improve the mobility of powder.

Referring to fig. 1 and 2, the output end of a motor 3 arranged on the upper surface of a bin cover 2 penetrates the bin cover 2 and is provided with a transmission shaft 8, wherein the lower end of the transmission shaft 8 extends into a discharge pipe 7 and is fixedly connected with a spiral rod 13 which is slidably arranged in the discharge pipe 7, a plurality of stirring rods 12 are uniformly arranged on the outer surface of one end, close to the spiral rod 13, of the transmission shaft 8, when the motor 3 is used for driving the transmission shaft 8 to rotate, the transmission shaft 8 drives the stirring rods 12 and the spiral rod 13 to rotate, the spiral rod 13 enables superfine spherical silica in the bin 1 to be discharged, and the stirring rods 12 rotate to loosen the superfine spherical silica close to the spiral rod 13 so as to prevent superfine spherical silica bridging.

Referring to fig. 2 and 3, a separation disc 9 positioned at the upper side of a stirring rod 12 is fixed in a conical hopper 6, the separation disc 9 plays a role of separating the inner space of the conical hopper 6, a transmission shaft 8 penetrates through penetrating holes formed in the middle of the upper surface of the separation disc 9, a plurality of material leakage holes 11 are formed in the side, close to the transmission shaft 8, of the upper surface of the separation disc 9 at equal intervals in a ring shape, a blocking plate 10 which is installed on the upper surface of the separation disc 9 in a sliding manner is arranged at the upper side of the material leakage holes 11, a plurality of air cylinders 5 are uniformly installed on the outer surface of the conical hopper 6, movable ends of the air cylinders 5 extend into the conical hopper 6 and are fixedly connected with connecting rods 17, one ends, far away from the air cylinders 5, of the connecting rods 17 are fixedly connected with lugs, which are fixedly connected with one ends of the blocking plate 10, the design of the lugs facilitates the connection of the connecting rods 17 and the blocking plate 10, when ultrafine spherical silica in a storage bin 1 needs to be stopped to be discharged, the air cylinder 5 drives the blocking plate 10 to move on the separation disc 9 through the connecting rod 17, so that the blocking plate 10 moves to the position right above the material leakage opening 11, the material leakage opening 11 is blocked, the motor 3 is operated for a period of time, superfine spherical silica on the lower side of the separation disc 9 is discharged, and then no superfine spherical silica exists around the screw rod 13 and the stirring rod 12, when the motor 3 is restarted, the motor 3 is in an idle starting state because no superfine spherical silica wraps around the screw rod 13 and the stirring rod 12, the requirement on the connection strength between the stirring rod 12 and the transmission shaft 8 is reduced, after the motor 3 is completely started, the air cylinder 5 is controlled to shrink, the blocking plate 10 and the material leakage opening 11 are staggered, and then superfine spherical silica in the storage bin 1 is leaked through the material leakage opening 11, and a bevel 14 which is inclined in a direction away from the connecting rod 17 is processed on one side of the blocking plate 10 away from the supporting lugs, so as to reduce the moving resistance of the closure plate 10 when the leak 11 is closed.

Referring to fig. 2 and 3, a soft rubber rod 15 is fixedly connected to one end of the uppermost stirring rod 12 far away from the transmission shaft 8, wherein one end of the soft rubber rod 15 far away from the stirring rod 12 extends into the material leakage opening 11, and when the motor 3 drives the stirring rod 12 to rotate through the transmission shaft 8, the stirring rod 12 drives the soft rubber rod 15 to rotate, so that one end of the soft rubber rod 15 far away from the stirring rod 12 repeatedly enters and exits the material leakage openings 11, the effect of loosening ultrafine spherical silica in the material leakage openings 11 is achieved, and the ultrafine spherical silica smoothly passes through the material leakage openings 11.

Although the present disclosure describes embodiments, not every embodiment is described in terms of a single embodiment, and such description is for clarity only, and one skilled in the art will recognize that the embodiments described in the disclosure as a whole may be combined appropriately to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A charging device comprising a silo (1) for storing ultra-fine spherical silica, characterized in that: the utility model discloses a leak-off device for a water-based oil well, including feed bin (1), screw rod (13), conveyer pipe (12), baffle plate (9) are installed to feed bin (1) upper end installation and row material pipe (7), bin cover (2) are installed to feed bin (1) lower extreme, motor (3) upper surface mounting has motor (3), motor (3) output runs through bin cover (2) and installs transmission shaft (8), transmission shaft (8) lower extreme extends to row material pipe (7) in and is connected and is fixed with screw rod (13), screw rod (13) slidable mounting is in row material pipe (7), one end surface that transmission shaft (8) is close to screw rod (13) evenly installs a plurality of puddles (12), baffle plate (9) are equipped with to the puddle (12) upside, baffle plate (9) are fixed in conical bucket (6), the jack is worn to set up to baffle plate (9) upper surface middle part position, baffle plate (9) upper surface is close to one side of transmission shaft (8) is annular and sets up a plurality of ports (11), be equipped with shutoff ports (11) on the shutoff.

2. A charging device according to claim 1, characterized in that: the plugging piece comprises a plugging plate (10), the upper side of a material leakage opening (11) is provided with the plugging plate (10), the plugging plate (10) is slidably mounted on the upper surface of a separation disc (9), a plurality of cylinders (5) are uniformly mounted on the outer surface of a conical hopper (6), the movable end of each cylinder (5) extends into the conical hopper (6) and is fixedly connected with a connecting rod (17), and one end, far away from each cylinder (5), of each connecting rod (17) is fixedly connected with the plugging plate (10).

3. A charging device according to claim 2, characterized in that: one end of the blocking plate (10) close to the connecting rod (17) is fixedly connected with a supporting lug, and one end of the connecting rod (17) far away from the air cylinder (5) is fixedly connected with the supporting lug.

4. A charging device according to claim 3, characterized in that: an inclined surface (14) is processed on one surface of the blocking plate (10) far away from the supporting lugs, and the inclined surface (14) is inclined in a direction far away from the connecting rod (17).

5. A charging device according to claim 1, characterized in that: the periphery of the bin cover (2) is provided with a straight edge, and a movable cover (4) for blocking the bin (1) is hinged to the straight edge.

6. A charging device according to claim 1, characterized in that: one end of the stirring rod (12) at the uppermost layer far away from the transmission shaft (8) is fixedly connected with a soft rubber rod (15), and one end of the soft rubber rod (15) far away from the stirring rod (12) extends into the material leakage opening (11).

7. A charging device according to claim 1, characterized in that: the inner wall of the feed bin (1) is coated with a tetrafluoro coating, and the inner wall of the conical hopper (6) is coated with a tetrafluoro coating.