CN216442820U

CN216442820U - Powder feeding device of mixing station

Info

Publication number: CN216442820U
Application number: CN202122890947.2U
Authority: CN
Inventors: 李磊; 朱晓娟; 黄利剑
Original assignee: Langfang Jitong Road Engineering Co ltd
Current assignee: Langfang Jitong Road Engineering Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-05-06
Anticipated expiration: 2031-11-23

Abstract

The utility model discloses a powder feeding device of a mixing station, which comprises a feeding box, and a crushing mechanism and a quantitative discharging mechanism which are arranged in the feeding box, wherein feeding pipes are arranged on two sides of the top end of the feeding box, a discharging pipe is arranged at the bottom end of the feeding box, the crushing mechanism is arranged below the feeding pipes, and the quantitative discharging mechanism is arranged between the crushing mechanism and the discharging pipe. According to the powder feeding device of the mixing station, the crushing mechanism is used for crushing the caking powder to avoid caking, the quantitative discharging mechanism can control the feeding speed and the feeding amount, and the adjustment and the control are convenient.

Description

Powder feeding device of mixing station

Technical Field

The utility model relates to the technical field of concrete mixing equipment, in particular to a powder feeding device of a mixing plant.

Background

The concrete mixing plant mainly comprises 5 major systems such as a mixing host, a material weighing system, a material conveying system, a material storage system, a control system and the like, and other accessory facilities. Concrete mixing plant need use feed arrangement to annotate the powder when stirring building material, because the powder is in the easy phenomenon that wets the caking that appears of the in-process of long-time storage, causes concrete mixing plant's feeder hopper to appear the phenomenon of jam easily to the work that influences concrete mixing plant goes on, and feed arrangement's discharge gate can not control ejection of compact speed simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a powder feeding device of a mixing station, which aims to solve the problems that a feeding hopper is blocked and the discharging speed cannot be controlled due to the fact that powder in the feeding device of the concrete mixing station is damped and agglomerated.

In order to achieve the purpose, the utility model provides a powder feeding device for a mixing station, which comprises a feeding box, a crushing mechanism and a quantitative discharging mechanism, wherein the crushing mechanism and the quantitative discharging mechanism are arranged in the feeding box;

the crushing mechanism comprises a plurality of fixed crushing rollers and movable crushing rollers which are arranged at intervals, one end of each fixed crushing roller penetrates through the feeding box and is provided with a motor for driving the feeding box to rotate, the other end of each fixed crushing roller is rotationally connected with the side wall of the feeding box, two opposite side walls of the feeding box are provided with buffer cavities, two ends of each movable crushing roller penetrate into the buffer cavities, springs are arranged in the buffer cavities, one ends of the springs are fixedly connected with the buffer cavities, and the other ends of the springs abut against the movable crushing rollers through movable plates;

quantitative discharge mechanism including lead workbin, axis of rotation and circumference evenly set up in the switch-plate of axis of rotation outer wall, the feed inlet has been seted up on the top of lead workbin, the outside of feed inlet through the baffle with the inner wall fixed connection of feed workbin, the bottom of lead workbin seted up with the discharge gate that the discharging pipe is linked together, two adjacent form the switch-plate cavity between the switch-plate, the one end of switch-plate with axis of rotation fixed connection, the other end of switch-plate through the brush hair with the inner wall of lead workbin offsets.

Preferably, a plurality of the fixed crushing rollers and the movable crushing rollers are provided with crushing teeth on the outer wall, and the crushing teeth of two adjacent fixed crushing rollers and the crushing teeth of the movable crushing rollers are engaged with each other.

Preferably, the diameter of the feeding hole and the diameter of the discharging hole are the same as the distance between the other ends of the two adjacent material poking plates.

Preferably, one end of the discharge pipe is communicated with the material stirring cavity, and the other end of the discharge pipe penetrates out of the bottom end of the feeding box and is communicated with the mixing station.

Therefore, according to the powder feeding device of the mixing station, which adopts the structure, the fixed crushing roller and the movable crushing roller crush agglomerated powder again and then enter the material guide box, the feeding speed and the feeding amount are controlled through the material shifting plate, and the adjustment is convenient.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a powder feeding device of a mixing station.

In the figure: 1. a feeding box; 2. a feed pipe; 3. a discharge pipe; 4. fixing the crushing roller; 5. moving the crushing roller; 6. a buffer chamber; 7. a spring; 8. moving the plate; 9. a material guiding box; 10. a feed inlet; 11. a discharge port; 12. a kick-out plate; 13. brushing; 14. a material poking cavity; 15. and a baffle plate.

Detailed Description

The technical solution of the present invention is further illustrated by the accompanying drawings and examples.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Embodiments of the present invention will be further described with reference to the accompanying drawings. Fig. 1 is a schematic structural diagram of an embodiment of a powder feeding device of a mixing station, and as shown in the figure, the powder feeding device of the mixing station comprises a feeding box 1, and a crushing mechanism and a quantitative discharging mechanism which are arranged in the feeding box 1, wherein the crushing mechanism is mainly used for crushing agglomerated powder stored above the feeding box 1 to ensure that the agglomerated powder is qualified, the quantitative discharging mechanism is mainly used for controlling the discharging amount and the discharging speed of the feeding box 1 to facilitate regulation and control, both sides of the top end of the feeding box 1 are provided with feeding pipes 2, the bottom end of the feeding box 1 is provided with a discharging pipe 3, the crushing mechanism is arranged below the feeding pipes 2, and the quantitative discharging mechanism is arranged between the crushing mechanism and the discharging pipe 3;

the crushing mechanism comprises a plurality of fixed crushing rollers 4 and movable crushing rollers 5 which are arranged at intervals, the fixed crushing rollers 4 and the movable crushing rollers 5 separate the feeding box 1 to form a storage cavity at the upper part and a discharging cavity at the lower part, one end of each fixed crushing roller 4 penetrates out of the feeding box 1 and is provided with a motor for driving the feeding box to rotate, the other end of each fixed crushing roller 4 is rotatably connected with the side wall of the feeding box 1, buffer cavities 6 are arranged on two opposite side walls of the feeding box 1, two ends of each movable crushing roller 5 penetrate into the buffer cavities 6, a spring 7 is arranged in the buffer cavity 6, one end of the spring 7 is fixedly connected with the buffer cavity 6, the other end of the spring 7 is propped against the movable crushing roller 5 through a movable plate 8, thus, when the agglomerated powder is crushed, the movable crushing roller 5 and the fixed crushing roller 4 are elastically connected, so that the movable crushing roller 5 and the fixed crushing roller 4 are prevented from being worn after being used for a long time; a plurality of fixed crushing roller 4 all are provided with broken tooth with the 5 outer walls of removal crushing roller, and intermeshing between the broken tooth of two adjacent fixed crushing roller 4 and the broken tooth of removal crushing roller 5 utilizes the broken tooth of meshing to carry out the redispersion with the powder of caking.

The quantitative discharging mechanism comprises a material guiding box 9, a rotating shaft and a material shifting plate 12 uniformly arranged on the outer wall of the rotating shaft in the circumferential direction, the top end of the material guiding box 9 is provided with a feeding hole 10, the outer side of the feeding hole 10 is fixedly connected with the inner wall of the feeding box 1 through a baffle plate 15, the baffle plate 15 is in a circular truncated cone shape with a wide upper part and a narrow lower part, the top end of the circular truncated cone baffle plate 15 is fixedly connected with the inner wall of the feeding box 1, the bottom end of the circular truncated cone baffle plate 15 is communicated with the feeding hole 10 of the material guiding box 9, the bottom end of the material guiding box 9 is provided with a discharging hole 11 communicated with a discharging pipe 3, a material shifting cavity 14 is formed between two adjacent material shifting plates 12, the amount of powder contained in the material shifting cavity 14 is fixed, therefore, the rotation of the rotating shaft can rotate the powder in the material shifting cavity 14 close to one side of the baffle plate 15 to the position communicated with the discharging pipe 3, the fixed amount of the powder in the material shifting cavity 14 is transported out of the feeding box 1 through the discharging pipe 3, the transportation speed of the kick-out cavity 14 can be adjusted by the rotation speed of the rotation shaft, one end of the kick-out plate 12 is fixedly connected with the rotation shaft, the other end of the kick-out plate 12 is abutted against the inner wall of the material guide box 9 through the brush bristles 13, and the brush bristles 13 mainly brush off powder adhered in the material guide box 9 continuously in the rotation process of the kick-out plate 12 and cannot be accumulated in the material guide box 9. The diameter of the feeding hole 10 and the diameter of the discharging hole 11 are the same as the distance between the other ends of the two adjacent material shifting plates 12, so that the material shifting cavities 14 can directly receive the powder crushed by the crushing mechanism, and meanwhile, the powder in the other material shifting cavity 14 opposite to the material shifting cavity 14 is conveyed out of the material guide box 9. One end of the discharge pipe 3 is communicated with the material stirring cavity 14, and the other end of the discharge pipe 3 penetrates out of the bottom end of the feeding box 1 and is communicated with the mixing station.

The specific implementation process of the utility model is as follows: the powder at first gets into feed box 1 and stores in the storage cavity through the inlet pipe 2 of both sides, the storage time overlength, the powder caking, remove crushing roller 5 and fixed crushing roller 4 and with the powder redisperse of caking and transport to the material cavity 14 of dialling of aiming at feed inlet 10 through the inclined plane of baffle 15, the axis of rotation rotates, the material cavity 14 of dialling that holds the powder rotates, until being linked together with discharging pipe 3, the powder is direct to be transported to the mix station through discharging pipe 3, get into next process.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the utility model without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a stirring station powder feed arrangement which characterized in that: the feeding box comprises a feeding box, and a crushing mechanism and a quantitative discharging mechanism which are arranged in the feeding box, wherein feeding pipes are arranged on two sides of the top end of the feeding box, a discharging pipe is arranged at the bottom end of the feeding box, the crushing mechanism is arranged below the feeding pipes, and the quantitative discharging mechanism is arranged between the crushing mechanism and the discharging pipe;

2. The powder feeding device of the mixing station as claimed in claim 1, wherein: the outer walls of the fixed crushing rollers and the movable crushing rollers are provided with crushing teeth, and the crushing teeth of two adjacent fixed crushing rollers and the crushing teeth of the movable crushing rollers are meshed with each other.

3. The powder feeding device of the mixing station as claimed in claim 1, wherein: the diameter of the feeding hole and the diameter of the discharging hole are the same as the distance between the other ends of the two adjacent poking plates.

4. The powder feeding device of the mixing station as claimed in claim 1, wherein: one end of the discharge pipe is communicated with the material stirring cavity, and the other end of the discharge pipe penetrates out of the bottom end of the feeding box and is communicated with the mixing station.