CN209176143U - A horizontal conveying feeding device - Google Patents

Abstract

The utility model relates to plastic processing transport devices, disclose a kind of horizontal feed drawing-in device, solves powder windrow in pipeline, the problem that the phenomenon that bridge formation causes powder feed amount unstable, its key points of the technical solution are that a kind of horizontal feed drawing-in device, including loading hopper, metrological service, it further include screw rod transmission mechanism, metrological service is disposed adjacent with loading hopper, loading hopper lower end is with the first discharge nozzle inside connection loading hopper, first discharge nozzle connects metrological service, metrological service is connected with screw rod transmission mechanism, screw rod transmission mechanism includes screw conveyor and the second discharge nozzle, screw conveyor includes inlet port and outlet port, first the gone out powder in discharge nozzle lower end enters in screw conveyor, second discharge nozzle connects discharge port, it can avoid generating windrow during powder carry, the phenomenon that bridge formation, stable and uniform conveys powder.

Description

A horizontal conveying feeding device

technical field

The utility model relates to a plastic processing and transportation device, in particular to a horizontal conveying and feeding device.

Background technique

Powdered raw materials or auxiliary materials are often used in the plastic processing and production process. The amount of this powder is different according to different formulas. After being mixed with other raw materials, it is processed into clinker particles of finished products by a screw extruder.

The current adding methods of powder are divided into two kinds: manual and automatic. The automatic adding method is to use a separate feeding hopper, and connect the feeding hopper to the metering mechanism through the conveying pipeline. The powder in the feeding hopper enters the metering mechanism along the conveying pipe by gravity, and after being measured by the metering mechanism, it is sent into the mixing hopper to be mixed with other raw materials.

Its disadvantage is that when continuous production and large output, the equipment for plastic processing and production is relatively large, and the conveying pipeline is long, which is easy to cause the phenomenon of powder material stacking and bridging in the conveying pipeline, and the feeding amount of powder is unstable during the powder feeding process. , resulting in uneven mixing of the powder and reducing the performance of the modified plastic.

Utility model content

The purpose of the utility model is to provide a horizontal conveying and feeding device for the deficiencies of the prior art, which can avoid the phenomenon of stacking and bridging during the powder conveying process, and can convey the powder stably and evenly.

The above-mentioned technical purpose of the utility model is achieved through the following technical solutions:

A horizontal conveying and feeding device, comprising a hopper, a metering mechanism, and a screw conveying mechanism, the metering mechanism is arranged adjacent to the hopper, and the lower end of the hopper has a first discharge pipe connected to the inside of the hopper, The first discharge pipe is connected to a metering mechanism, and the metering mechanism is connected to the screw conveying mechanism. The screw conveying mechanism includes a screw conveyor and a second discharge pipe. The screw conveyor includes a feed inlet and an outlet. The material outlet, the powder discharged from the lower end of the first discharge pipe enters the screw conveyor, and the second discharge pipe is connected to the discharge port.

By adopting the above technical scheme, the powder in the hopper is transported to the metering mechanism through the first discharge pipe for a short distance, and then transported for a long distance by the screw conveyor, and the powder is actively given the power to transport the powder, and the powder does not pass through the screw conveyor. Stacking and bridging will occur, which will make the powder conveying and discharging stable and uniform, thereby ensuring the performance of the modified plastic.

Preferably, the metering mechanism includes a loss-in-weight scale, and the weight-loss scale includes a bucket body, the upper end of the bucket body communicates with the first discharge pipe, and the lower end of the bucket body is provided with a discharge pipe connected to the inside of the bucket body. A nozzle, the discharge nozzle is connected with an intermediate feed pipe, and the other end of the intermediate feed pipe is connected with the feed inlet.

By adopting the above-mentioned technical scheme, the weight-loss scale can stably transport the powder to the screw conveyor while weighing the powder, and when the powder conveying speed in the first discharge pipe changes due to the continuous decrease of the powder capacity inside the feeding hopper, it will start To transition and stabilize the powder conveying speed, to prevent the powder conveying speed in the first discharge pipe from affecting the powder conveying speed of the screw conveyor; when there is powder in the bucket, the powder can be continuously stabilized to the screw conveyor Conveying, so that plastic processing can be carried out continuously.

Preferably, the first discharge pipe is a hose.

By adopting the above technical scheme, when the powder passes through the first discharge pipe, the powder will collide with the first discharge pipe, and the first discharge pipe will vibrate, so that the powder in the first discharge pipe will be subjected to a reverse elastic force , There are agglomerates in the powder that are crushed under pressure, thereby improving the fluidity of the powder and avoiding the blockage of the powder at the inlet of the feed pipe, resulting in the accumulation of powder in the first discharge pipe.

Preferably, the first discharge pipe is arranged vertically in the axial direction and the first discharge pipe is sleeved and fixed with a first hose, and the upper end of the bucket body is provided with a feed nozzle connected to the inside of the bucket body, so The lower end of the first hose is sleeved and fixed on the outside of the feed nozzle.

By adopting the above-mentioned technical scheme, when the powder discharged from the lower end of the first discharge pipe passes through the first hose, it will collide with the first hose, and the first hose will vibrate, so that the powder in the first hose will be affected by the direction. Elasticity, there are agglomerates in the powder that are crushed under pressure, thereby improving the fluidity of the powder, avoiding the blockage of the powder at the inlet of the feed pipe and causing the accumulation of powder in the first discharge pipe; at the same time, the first discharge pipe acts as a support The function is to prevent the first hose from being too long to be bent or rotated and overlapped to cause the first hose to be blocked.

Preferably, the outer sides of the upper end and the lower end of the first hose are covered with fixing clips.

By adopting the above technical solution, the upper end and the lower end of the first hose are easy to install and disassemble, which facilitates the cleaning of the first hose. At the same time, the vertical fixed positions of the upper end and the lower end of the first hose can be freely adjusted to adjust the position of the first hose. According to the cohesiveness of the powder material, the degree of stretching and tension changes the elastic force of the powder material being subjected to the reverse direction of the first hose.

Preferably, a pipeline vibrator is installed on the first discharge pipe.

By adopting the above technical solution, the pipeline vibrator can actively vibrate the first discharge pipe to prevent the powder from adhering to the inner side of the first discharge pipe, without manual cleaning, and to avoid the phenomenon of powder bridging.

Preferably, the conveying direction of the screw conveyor is horizontal.

By adopting the above-mentioned technical scheme, the speed of conveying the powder by the screw conveyor is kept equal to the conveying speed of the loss-in-weight scale, so as to avoid the influence of gravity on the stacking of the materials inside when the screw conveyor is transported. The powder in the machine is stacked, the powder filling in the screw conveyor is relatively solid, and the conveying speed of the powder in the early stage is lower than the conveying speed of the weightlessness scale; the screw conveyor is conveyed obliquely downward, the powder in the screw conveyor is loose, and the powder in the screw conveyor is filled Relatively sparse, the conveying speed of powder is lower than the conveying speed of weight loss scale.

Preferably, the second discharge pipe includes a second flexible pipe that is away from one end of the screw conveyor and hangs vertically with gravity.

By adopting the above-mentioned technical scheme, the powder is conveyed from the second discharge pipe and enters the second hose, and the second hose shakes or vibrates with the collision of the powder to prevent the powder from adhering to the second hose. Prevent bridging blockage when the powder is conveyed vertically in the second hose.

In summary, the utility model has the following beneficial effects:

1. The powder in the feeding hopper is conveyed to the metering mechanism through the first discharge pipe for a short distance, and then conveyed for a long distance by the screw conveyor, which actively gives the powder conveying power, and the powder will not pile up in the screw conveyor , The phenomenon of bridging, so that the powder conveying and discharging is stable and uniform, thereby ensuring the performance of the modified plastic;

2. The loss-in-weight scale transports the powder to the screw conveyor stably while weighing the powder, avoiding the speed of the powder conveying in the first discharge pipe from the speed of the screw conveyor, and when there is powder in the bucket, the powder The material can be continuously and stably transported to the screw conveyor, so that the plastic processing can be carried out continuously;

3. When the powder passes through the first hose or the second hose, the powder will collide with the first hose, the first hose or the second hose will vibrate and give the powder a reverse elastic force, and the powder will have There are agglomerates that are broken under pressure, and the powder is not easy to adhere to the inner side of the first hose or the second hose, thereby improving the fluidity of the powder and avoiding the blockage of the powder at the inlet of the feed pipe, which will cause powder in the first discharge pipe. material accumulation;

4. The upper and lower ends of the first hose are fixed by clamps for easy cleaning, and the vertical fixed positions of the upper and lower ends of the first hose can be adjusted freely to adjust the tension of the first hose.

Description of drawings

Fig. 1 is the structural representation of horizontal conveying feeding device among the embodiment one;

Fig. 2 is the structural representation of feed hopper and metering mechanism in embodiment one;

Fig. 3 is a partial cross-sectional view of the internal structure of the feed hopper and the metering mechanism in Embodiment 1;

Fig. 4 is the structural representation of metering mechanism and screw conveying mechanism in embodiment one;

Fig. 5 is the structural representation of metering mechanism and screw conveying mechanism in embodiment two;

FIG. 6 is a partial enlarged view at A of FIG. 5 .

Description of drawings: 1. frame; 11. upper platform; 12. lower platform; 13. base; 2. feeding hopper; 21. first discharge pipe; 22. first hose; , pipeline vibrator; 3, metering mechanism; 31, bucket body; 32, stirring assembly; 321, stirring motor; 322, gearbox; 323, stirring paddle; 33, air outlet; Material assembly; 351, discharge pipe mouth; 4, screw conveying mechanism; 41, screw conveyor; 411, feed inlet; 412, discharge port; 42, intermediate feed pipe; 43, second discharge pipe; 431 , a straight pipe; 432, a second flexible pipe.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Embodiment one,

As shown in accompanying drawing 1, a kind of horizontal conveying feeding device comprises frame 1, hopper 2, metering mechanism 3 and screw conveying mechanism 4, and wherein frame 1 is frame structure, and frame 1 includes the upper Platform 11, lower platform 12 and base 13 placed on the ground. The feeding hopper 2 is installed on the upper platform 11 , the measuring mechanism 3 is installed and fixed on the lower platform 12 , and the screw conveying mechanism 4 is erected on the base 13 .

As shown in FIG. 2 , the bottom of the hopper 2 is conical and its lower end is connected with a first discharge pipe 21 communicating with the inside of the hopper 2 . The first discharge pipe 21 is a hose. When the powder in the hopper 2 slides through the first discharge pipe 21 due to gravity, the powder will collide with the first discharge pipe 21, and the first discharge pipe 21 Vibration occurs, and the powder in the first discharge pipe 21 is subjected to an elastic force opposite to the vibration direction, so that the agglomerates in the powder are crushed under pressure, thereby improving the fluidity of the powder and preventing the powder from being trapped in the feeding pipe. 34 The blockage causes powder accumulation in the first discharge pipe 21 .

As shown in accompanying drawing 2 and accompanying drawing 3, metering mechanism 3 is a loss-in-weight scale, and it comprises bucket body 31, the mixing assembly 32 that is installed in bucket body 31, the discharge assembly 35 that is installed in bucket body 31 lower end and is arranged on the bucket body. The weighing assembly (not shown in the figure) between the body 31 and the lower platform 12. Its working principle of the weightlessness scale is a prior art, so its working principle will not be elaborated here. Weighing components include static electronic scales and feed controllers. Electronic scale can be selected model and size according to actual situation, and it can weigh the weight of bucket body 31, stirring assembly 32 and discharge assembly 35. The "weight loss" measured per unit time is compared with the required feeding amount, and the difference between the actual output amount and the preset output amount will generate a correction signal through the feeding controller to automatically adjust the output assembly 35 output speed, thus maintaining accurate output volume without process lag.

The bucket body 31 is conical, and its tip is vertically downward. The upper end of the bucket body 31 is provided with a feed nozzle 34 and an air outlet 33 , and the feed nozzle 34 communicates with and is fixed to the lower end of the first hose 22 . The air outlet 33 is used to discharge the air in the bucket body 31 when the powder enters the bucket body 31 , and its upper end is inclined to prevent and reduce the discharge of the powder in the bucket body 31 from the air outlet 33 .

The stirring assembly 32 comprises a gearbox 322 fixed on the upper surface of the bucket body 31, a stirring motor 321 connected with the gearbox 322 and a stirring paddle 323 positioned in the bucket body 31, and the upper end of the stirring paddle 323 passes outside the bucket body 31 and is connected with the bucket body 31. The gearbox 322 is connected. According to the adhesion of different powder materials, the rotating speed of the stirring paddle 323 can be adjusted through the gearbox 322 to reduce the dust in the bucket body 31.

The discharge assembly 35 is a discharge screw machine driven by a motor, one end of its feed is connected to the lower end of the bucket body 31 , and one end of its discharge is downwardly provided with a discharge nozzle 351 .

As shown in accompanying drawing 4, screw conveying mechanism 4 comprises screw conveyor 41, and its operating principle of screw conveyor 41 is prior art, does not elaborate at this, and the model of screw conveyor 41 can be decided according to actual conditions simultaneously, A double screw conveyor is preferred here. One end of the screw conveyor 41 is located directly below the discharge nozzle 351 and is set horizontally, thereby avoiding the influence of gravity on the material distribution and stacking inside the screw conveyor 41 during transportation, and keeping the screw conveyor 41 from conveying the powder The speed is equal to the delivery speed of the loss-in-weight scale 3a.

There is a feeding port 411 on the side of the screw conveyor 41 facing the discharge nozzle 351 . An intermediate feed pipe 42 is connected between the feed port 411 and the discharge pipe port 351, and the intermediate feed pipe 42 is a hose with a vertical axis. The other end of the screw conveyor 41 is provided with a discharge port 412 , and the discharge port 412 is connected with a second discharge pipe 43 . The second discharge pipe 43 includes a straight pipe 431 parallel to the conveying direction of the screw conveyor 41. The end of the straight pipe 431 away from the screw conveyor 41 is bent downward, and the outer side of the bent end is sleeved and fixed with a second Hose 432. The second hose 432 hangs vertically with the gravity. When the powder is conveyed from the straight pipe 431, it enters the second hose 432. The second hose 432 shakes or vibrates with the collision of the powder to prevent the powder from sticking to the On the second hose 432, bridging blockage occurs when the powder is conveyed vertically in the second hose 432.

Working principle of embodiment one:

The powder in the feeding hopper 2 is transported to the bucket body 31 through the first discharge pipe 21 for a short distance. When the capacity continues to decrease and the powder conveying speed in the first discharge pipe 21 changes, it plays the role of transition and stabilizing the powder conveying speed, so as to avoid the influence of the powder conveying speed in the first discharge pipe 21 from affecting the powder conveying speed of the screw conveyor 41. The speed of the material; when there is powder in the bucket body 31, the powder can be continuously and stably transported to the screw conveyor 41, so that the plastic processing can be carried out continuously;

Then the screw conveyor 41 is used for long-distance transportation, and the power is actively given to the powder conveying power. The powder will not pile up or bridge in the screw conveyor 41, so that the powder conveying and discharging are stable and uniform, thereby ensuring Properties of modified plastics.

Embodiment two,

As shown in accompanying drawing 5, a kind of horizontal conveying feeding device, it is improved on the basis of embodiment one, and its difference with the cloth of embodiment one is that the first discharge pipe 21 is the hard straight pipe that is vertically arranged 431 , the first discharge pipe 21 and the feed nozzle 34 are connected through the first hose 22 . At the same time, a pipeline vibrator 23 is installed on the side of the first discharge pipe 21. The pipeline vibrator 23 can actively vibrate the first discharge pipe 21 to prevent the powder from adhering to the inside of the first discharge pipe 21 without manual cleaning. Avoid powder bridging phenomenon.

As shown in FIG. 6 , the upper end of the first hose 22 is sleeved outside the lower end of the first discharge pipe 21 , and the lower end of the first hose 22 is sleeved outside the feed nozzle 34 . The upper end and the lower end of the first hose 22 are covered with a fixed clamp 221, and the inner side of the fixed clamp 221 presses and clamps the upper and lower ends of the first hose 22 so that it is aligned with the corresponding first discharge pipe 21 lower end. And the feed nozzle 34 is fixed.

Similar to Embodiment 1, when the powder discharged from the lower end of the first discharge pipe 21 passes through the first hose 22, it will collide with the first hose 22, and the first hose 22 will vibrate, so that the powder in the first hose 22 The powder is subjected to directional elastic force, and agglomerates in the powder are crushed under pressure, thereby improving the fluidity of the powder and preventing the powder from clogging at the inlet port 34 and causing powder accumulation in the first discharge pipe 21. At the same time, the first discharge pipe 21 plays a supporting role to prevent the first hose 22 from being blocked due to bending or rotational overlapping of the first hose 22 when it is too long.

Working principle of embodiment two:

The first hose 22 is fixed by the upper and lower fixing clips 221, which are easy to install and disassemble, and are convenient for cleaning the first hose 22. At the same time, the vertical fixed positions of the upper and lower ends of the first hose 22 can also be freely adjusted to adjust the first hose 22. The degree of stretching and tension of a hose 22 changes the size of the elastic force that the powder is subjected to in the first hose 22 according to the cohesiveness of the powder.

This specific embodiment is only an explanation of the utility model, and it is not a limitation of the utility model. After reading this description, those skilled in the art can make modifications to the embodiment without creative contribution according to needs, but as long as it is within the utility model All new claims are protected by patent law.

Claims (8)

1. A horizontal conveying and feeding device, comprising a hopper (2) and a metering mechanism (3), characterized in that it also includes a screw conveying mechanism (4), and the metering mechanism (3) is connected to the hopper (2) Adjacent to the arrangement, the lower end of the hopper (2) has a first discharge pipe (21) connected to the inside of the hopper (2), the first discharge pipe (21) is connected to the metering mechanism (3), and the metering The mechanism (3) is connected with the screw conveying mechanism (4), and the screw conveying mechanism (4) includes a screw conveyor (41) and a second discharge pipe (43), and the screw conveyor (41) includes an inlet Material port (411) and discharge port (412), the powder discharged from the lower end of the first discharge pipe (21) enters the screw conveyor (41), and the second discharge pipe (43) is connected to the discharge Mouth (412). 2. A horizontal conveying feeding device according to claim 1, characterized in that, the metering mechanism (3) includes a loss-in-weight scale, and the loss-in-weight scale includes a bucket body (31), and the bucket body (31) The upper end of the bucket body (31) is connected to the first discharge pipe (21), and the lower end of the bucket body (31) is provided with a discharge nozzle (351) connected to the inside of the bucket body (31), and the discharge nozzle (351) An intermediate feeding pipe (42) is connected, and the other end of the intermediate feeding pipe (42) is connected to the feeding port (411). 3. The horizontal conveying feeding device according to claim 1, characterized in that, the first discharge pipe (21) is a hose. 4. A horizontal conveying and feeding device according to claim 2, characterized in that, the first discharge pipe (21) is arranged vertically in the axial direction and the first discharge pipe (21) is sleeved and fixed with The first hose (22), the upper end of the bucket (31) is provided with a feed nozzle (34) connected to the inside of the bucket (31), and the lower end of the first hose (22) is sleeved and fixed on the outside of the feed nozzle (34). 5 . The horizontal conveying feeding device according to claim 4 , characterized in that, the outer sides of the upper end and the lower end of the first hose ( 22 ) are covered with fixing clips ( 221 ). 5 . 6. A horizontal conveying and feeding device according to claim 4, characterized in that a pipe vibrator (23) is installed on the first discharge pipe (21). 7. The horizontal conveying and feeding device according to claim 2, characterized in that, the conveying direction of the screw conveyor (41) is horizontal. 8. A horizontal conveying feeding device according to claim 1, characterized in that, the second discharge pipe (43) includes a second hose that is away from the screw conveyor (41) and hangs vertically with gravity (432).