CN211462839U

CN211462839U - Dustless dosing unit

Info

Publication number: CN211462839U
Application number: CN201921785451.5U
Authority: CN
Inventors: 赵国伟
Original assignee: Zhengzhou Dezhao Industrial Co ltd
Current assignee: Zhengzhou Dezhao Industrial Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-09-11
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses a dust-free batching device, which comprises a mixing box and a storage bin, wherein the upper side wall of the mixing box is provided with a feed inlet, a blanking pipe which inclines upwards is fixedly arranged on the feed inlet, the upper end of the blanking pipe is connected with a first spiral feeder, the first spiral feeder is connected with the storage bin, the inner side wall of the mixing box is arranged above the feed inlet and is provided with a connecting lug, a sealing plate for sealing the feed inlet is hinged on the connecting lug, a stirring mechanism is arranged in the mixing box, the lower end of the mixing box is connected with a second spiral feeder, materials are conveyed into the blanking pipe by the spiral feeder, the materials fall along the blanking pipe, the sealing plate is flushed away and enters the mixing box, after the materials enter the mixing box, the sealing plate naturally falls under the action of self gravity, the feed inlet is sealed, the materials are conveyed by a pipeline, the hinged sealing, the powder raise dust phenomenon in the material batching process is avoided.

Description

Dustless dosing unit

Technical Field

The utility model relates to a batching technical field, concretely relates to dustless dosing unit.

Background

The batching device is processing equipment commonly used in the carbon black production process and is used for completing the proportioning of raw materials, and powder dust easily appears in the batching process of the existing batching device, so that the environmental pollution and the waste of raw materials are easily caused, and meanwhile, the harm is also caused to the health of operators.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dustless dosing unit solves the problem that the powder raise dust appears easily at the batching in-process in current dosing unit.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a dustless dosing unit, includes mixing box and storage silo, the feed inlet has been seted up to the upper portion lateral wall of mixing box, the fixed ascending unloading pipe that inclines that is equipped with on the feed inlet, the upper end of unloading pipe is connected with first feed screw, first feed screw connects the storage silo, the mixing box inside wall is located the top of feed inlet is equipped with the engaging lug, it is sealed to articulate on the engaging lug the closing plate of feed inlet, be equipped with rabbling mechanism in the mixing box, the lower extreme of mixing box is connected with second feed screw.

The further technical proposal is that the edge of the sealing plate is provided with a sealing gasket.

According to a further technical scheme, a groove matched with the sealing gasket is formed in the inner wall of the mixing box, and when the sealing plate naturally drops, one side, far away from the sealing plate, of the sealing gasket is located in the groove.

According to a further technical scheme, a magnet is arranged in a sealing gasket at the lower end of the sealing plate, and an electromagnet matched with the magnet is arranged on the outer wall of the mixing box.

The further technical scheme is that the stirring mechanism comprises a stirring shaft and stirring blades on the stirring shaft, and the upper end of the stirring shaft extends out of the mixing box and is connected with a motor.

According to a further technical scheme, a supporting rod is arranged on a feeding pipe of the first spiral feeder, a gravity sensor is arranged on the supporting rod, the storage bin is installed on the gravity sensor, a first discharging pipe and a second discharging pipe are arranged at the lower end of the storage bin, the diameter of the first discharging pipe is larger than that of the second discharging pipe, and valves are arranged on the first discharging pipe and the second discharging pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the material was carried to the unloading pipe by screw feeder, the material fell down along the unloading pipe, washed open the closing plate gets into the compounding box, and after the material got into back compounding box, the closing plate naturally droops under self action of gravity, and then seals the feed inlet, material adopt the pipe-line transportation, and are equipped with articulated closing plate at the feed inlet lateral wall, at the sealed feed inlet of batching in-process, have avoided the material batching in-process powder raise dust phenomenon to appear.

2. The sealing gasket that sets up can further strengthen the sealing capacity of closing plate to the feed inlet to form the buffer layer between closing plate and compounding case, play fine cushioning effect.

3. The electromagnet is beneficial to improving the blanking efficiency and the sealing performance.

4. Through setting up the discharging pipe that two diameters are not used, guarantee to weigh the precision height when improving ejection of compact speed.

Drawings

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

Fig. 2 is an enlarged schematic view of a structure in fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

Referring to fig. 1 and 2, an embodiment of the present invention is: the utility model provides a dustless dosing unit, includes mixing box 1 and storage silo 2, feed inlet 3 has been seted up to mixing box 1's upper portion lateral wall, the ascending unloading pipe 4 of slope is equipped with to the fixed on feed inlet 3, the upper end of unloading pipe 4 is connected with first feed screw 5, first feed screw 5 is connected

storage silo

2, 1 inside wall of mixing box is located the top of feed inlet 3 is equipped with engaging lug 7, it is sealed to articulate on engaging lug 7 the closing plate 8 of feed inlet 3, be equipped with rabbling mechanism in the mixing box 1, the lower extreme of mixing box 1 is connected with second feed screw.

Specifically, 4 welding of unloading pipe or threaded fixation on feed inlet 3, feed inlet 3 can set up the multiunit according to actual conditions, evenly is located respectively the lateral wall of mixing box 1, feed inlet 3 is two sets of in this embodiment, and the symmetry is equipped with the both sides of locating mixing box 1.

The material is carried to unloading pipe 4 in by feed screw 5, and the material falls along unloading pipe 4, breaks open closing plate 8 gets into mixing box 1 in, and after the material got into back mixing box 1, closing plate 8 droops naturally under self action of gravity, and then seals feed inlet 3, the material adopts the pipe-line transportation, and is equipped with articulated closing plate 8 at the feed inlet lateral wall, at the sealed feed inlet of batching in-process, has avoided the material to prepare burden the powder raise dust phenomenon to appear in-process.

Example 2

On the basis of the above embodiment, the edge of the sealing plate 8 is provided with a gasket 9.

Specifically, the sealing gasket 9 is a rubber gasket and is fixed on the sealing plate 8 by adhesion.

The sealing gasket 9 can further enhance the sealing capability of the sealing plate 8 on the feed port 3; simultaneously, form the buffer layer between closing plate 8 and mixing box 1, play fine cushioning effect, protection closing plate 8 and mixing box 1 are favorable to extension equipment life.

Example 3

On the basis of the embodiment, in order to further increase the sealing performance, the inner wall of the mixing box 1 is provided with a groove 10 matched with the sealing gasket 9, and when the sealing plate 8 naturally falls, one side, far away from the sealing plate 8, of the sealing gasket 9 is positioned in the groove 10.

Specifically, the depth of the groove 10 is smaller than the thickness of the seal gasket 9, and the opening size of the groove 10 is larger than the radial size of the seal gasket 9.

Example 4

On the basis of the above embodiment, a magnet 11 is arranged in the sealing gasket 9 at the lower end of the sealing plate 8, and an electromagnet 12 adapted to the magnet 11 is arranged on the outer wall of the mixing box 1.

Specifically, the magnet 11 is a permanent magnet, and one or two electromagnets 12 may be provided.

When the electromagnet 12 is set to be one, the electromagnet is connected with the double-pole double-throw switch to change the magnetic pole direction of the electromagnet 12, during discharging, the magnetic pole direction of the electromagnet 12 and the magnetic pole direction of the magnet 11 are controlled to repel each other, the sealing plate 8 is further pushed away, discharging efficiency is improved, during mixing, the magnetic pole direction of the electromagnet 12 and the magnetic pole direction of the magnet 11 are controlled to attract each other, the sealing plate 8 is further pulled close to and attached to the inner wall of the mixing box 1, and sealing performance is enhanced.

When the electromagnet 12 is provided with two electromagnets, the magnetic pole directions of the two electromagnets 12 are arranged in opposite directions, when the blanking is performed, one electromagnet 12 which repels the magnet 11 is controlled to work, the other electromagnet is closed, the sealing plate 8 is pushed away, the blanking efficiency is improved, when the material is mixed, the other electromagnet 12 which attracts the magnet 11 works, the other electromagnet is closed, the sealing plate 8 is pulled close to and tightly attached to the inner wall of the material mixing box 1, and the sealing performance is enhanced.

Example 5

On the basis of the above embodiment, the stirring mechanism comprises a stirring shaft 13 and a stirring blade 14 on the stirring shaft 13, wherein the upper end of the stirring shaft 13 extends out of the mixing box 1 and is connected with a motor 15.

The stirring blades 14 on the stirring shaft 13 are controlled by the motor 15, so that the materials are uniformly mixed.

Example 6

On the basis of the above embodiment, a support rod 16 is arranged on the feed pipe of the first spiral feeder 5, a gravity sensor 17 is arranged on the support rod 16, the storage bin 2 is installed on the gravity sensor 17, a first discharge pipe 18 and a second discharge pipe 19 are arranged at the lower end of the storage bin 2, the diameter of the first discharge pipe 18 is larger than that of the second discharge pipe 19, and valves 20 are arranged on the first discharge pipe 18 and the second discharge pipe 19.

Specifically, the gravity sensor 17 may be a shear beam sensor and be disposed outside the bottom wall of the storage bin 2 to improve the weighing accuracy.

A first discharge pipe 18 and a second discharge pipe 19 are provided, valves 20 on the first discharge pipe 18 and the second discharge pipe 19 are opened at the beginning of weighing to provide a discharge speed, the second discharge pipe 19 is kept open and the first discharge pipe 18 is closed before weighing to a preset value, and small-caliber blanking is adopted to ensure weighing accuracy.

Through setting up the discharging pipe that two diameters are not used, guarantee to weigh the precision height when improving ejection of compact speed.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides a dustless dosing unit, includes mixing box (1) and storage silo (2), its characterized in that: feed inlet (3) have been seted up to the upper portion lateral wall of mixing box (1), the ascending unloading pipe (4) of slope is fixed to be equipped with on feed inlet (3), the upper end of unloading pipe (4) is connected with first feed screw (5), first feed screw (5) are connected storage silo (2), mixing box (1) inside wall is located the top of feed inlet (3) is equipped with engaging lug (7), it is sealed to articulate on engaging lug (7) closing plate (8) of feed inlet (3), be equipped with rabbling mechanism in mixing box (1), the lower extreme of mixing box (1) is connected with the second feed screw.

2. A dust-free batching device as claimed in claim 1, characterized in that: and a sealing gasket (9) is arranged at the edge of the sealing plate (8).

3. A dust-free batching device as claimed in claim 2, characterized in that: the inner wall of mixing box (1) is equipped with the adaptation recess (10) of sealed pad (9), when closing plate (8) naturally droops, sealed pad (9) are kept away from one side of closing plate (8) is located in recess (10).

4. A dust-free batching device as claimed in claim 2, characterized in that: a magnet (11) is arranged in a sealing gasket (9) at the lower end of the sealing plate (8), and an electromagnet (12) matched with the magnet (11) is arranged on the outer wall of the mixing box (1).

5. A dust-free batching device as claimed in claim 1, characterized in that: the stirring mechanism comprises a stirring shaft (13) and stirring blades (14) arranged on the stirring shaft (13), and the upper end of the stirring shaft (13) extends out of the mixing box (1) and is connected with a motor (15).

6. A dust-free batching device as claimed in claim 1, characterized in that: be equipped with bracing piece (16) on the conveying pipe of first spiral feeder (5), be equipped with gravity sensor (17) on bracing piece (16), install storage silo (2) on gravity sensor (17), the lower extreme of storage silo (2) is equipped with first discharging pipe (18) and second discharging pipe (19), the diameter of first discharging pipe (18) is greater than the diameter of second discharging pipe (19), first discharging pipe (18) with all be equipped with valve (20) on second discharging pipe (19).