CN113715251A - Foaming material master batch charging equipment - Google Patents

Abstract

The invention provides a foaming material master batch feeding device, and belongs to the technical field of production and processing of foaming materials. The invention relates to a foaming material master batch feeding device which comprises a feeding hopper, a refining device, a shunting device and a material collecting device which are arranged from top to bottom, wherein the refining device comprises a refining box and a stirring piece, the bottom of the refining box is provided with a containing tank with a circular arc-shaped cross section, and the containing tank is provided with a plurality of discharging holes; the shunting device comprises a shunting box, a feeding hole and a collecting bag, wherein the feeding hole is formed in the shunting box and is opposite to the discharging hole; the aggregate device comprises a plurality of aggregate hoppers capable of facing the openings. The equipment has uniform feeding speed, does not cause local blockage, can multiply change the feeding speed when the master batches are fed, and has controllable feeding speed and uniform feeding amount. Residual master batches in the aggregate bag can be avoided through collision of the heavy balls.

Description

Foaming material master batch charging equipment

Technical Field

The invention belongs to the technical field of production and processing of foaming materials, and particularly relates to foaming material master batch feeding equipment.

Background

The foaming material is a common building decoration material, and can be divided into a soft foaming material and a structural foaming material. The soft foaming material is prepared by adding a catalyst, a foam stabilizer, a foaming agent and other auxiliary materials into raw materials such as plastics (PE, EVA and the like) and rubber (SBR, CR and the like), and foaming through physical foaming or crosslinking, so that a large amount of fine foams appear in the plastics and the rubber, the volume is increased, the density is reduced, the soft foaming material has the functions of buffering, sound absorption, shock absorption, heat preservation, filtration and the like, and is widely applied to industries such as electronics, household appliances, automobiles, sports leisure and the like. The structural foam material is a foam material modified by a penetrating aromatic amide polymerization network based on plastics (PVC, PET and the like), has very low density and very high strength as a soft foam material, is suitable for high-end fields requiring light materials and high strength, and is mainly applied to industries such as wind power generation, rail transit, yacht, aerospace, building energy conservation and the like.

The field of new materials such as high polymer materials and the like is the basis of scientific and technical development progress, in recent years, China realizes multiple innovations on the production process of high polymer foam materials, the product performance is gradually improved, the application field is gradually widened, and the new materials further help to promote the high polymer foam material industry to realize faster development.

In recent years, with the increasing demand of building and decorating materials, research and development on structural foamed plastic products such as PC, HIPS, ABS and the like are increasing. In the structural foaming of PVC, resin and a foaming agent are powder materials, so that the resin and the foaming agent are easy to be uniformly mixed in the mixing process, and HIPS (high impact polystyrene), ABS (acrylonitrile butadiene styrene) and other resins are granules, so that the uneven mixing is easy to occur by adopting simple mixing equipment, and the foaming effect is not ideal. The foaming mother particles are prepared by concentrating the foaming agent in the carrier to be granular, which not only solves the problem of dispersion of the foaming agent in the base material, but also solves the problems of flying dust and small metering error, simplifies the production and improves the product quality.

The foaming material is required to be granulated firstly in the production process, the material is required to be fed to the sheet extruding process after the granulation, the feeding equipment of the master batch can directly influence the production efficiency of the foaming material, and the feeding speed and the uniformity of the master batch are important influencing factors for determining the quality of the foaming material. The chinese patent that has published application number for CN201922029122.4 among the prior art discloses an environment-friendly PP foaming material charging equipment, which comprises a base, the first install bin of pedestal roof central point fixedly connected with, first install bin roof fixedly connected with second install bin, seted up first recess between the wall central point about the base puts, the mounting hole has been seted up between the wall of both sides about four corners of base, the second recess has been seted up to first install bin diapire corresponding first recess. The utility model discloses, adopt the design of active passive convolution material loading, the device body can be through base fixed mounting in the material loading mouth, and the feed chute of device body upside is down trapezoidally and does benefit to the material loading, and both sides cell wall is provided with initiative conveyer in addition, supplementary material loading, and in addition, device body middle part is provided with pivoted loading attachment, can prevent that the material loading from blockking supplementary material loading effect, and whole device is the material loading speed piece in fact, is difficult for taking place the environment-friendly PP foaming material jam condition during the material loading. The device in this application can't control the velocity of flow of master batch material loading, causes the jam easily.

The published Chinese patent with the application number of CN201820190106.6 discloses an environment-friendly PP foaming material feeding device, which comprises a base, a lifting rod, a telescopic pipe, a conveying pipe, a fan, a separation net and a vibrator, wherein the upper end of the base is connected with the lifting rod, the conveying pipe is arranged at the upper end of the lifting rod, one side of the conveying pipe is connected with the telescopic pipe, the vibrator is arranged at the upper end of the telescopic pipe, the separation net is arranged at the outer side of the fan, the telescopic pipe is arranged, the angle of a feeding hole is effectively adjusted, the feeding hole is parallel to the ground under different conditions, the material is prevented from being exposed, the feeding is convenient, the vibrator is arranged, the PP material is effectively dispersed by vibration, a large amount of material is prevented from blocking the feeding hole, the fan is arranged, the PP material is effectively accelerated to flow out from the outlet, the outlet is prevented from being blocked, the conveying efficiency is improved, the separation net is arranged, and the machine is effectively prevented from being damaged when the PP material enters the fan, be provided with the lifter, effectual according to actual conditions, adjust the height of conveyer pipe. The feed structure in this application is the retrograde motion upwards, transports the material to the top through the rotation, and the material loading speed is low, and production efficiency is poor. And clogging is easily caused in the structure.

Master batch loading attachment among the prior art, the unable control feed rate in the structure, and cause the jam easily, the speed of material loading is unstable, is difficult to control, and feed rate is slow, influences expanded material's production efficiency.

Disclosure of Invention

In view of this, the invention provides a feeding device for foam material masterbatch, which has uniform feeding speed, does not cause local blockage, can multiply change the feeding speed during feeding masterbatch, and has controllable feeding speed and uniform feeding amount.

The invention relates to a foaming material master batch feeding device which comprises a feeding hopper, a refining device, a flow distribution device and a material collecting device, wherein the feeding hopper is arranged from top to bottom, the refining device is communicated with the feeding hopper, the flow distribution device is abutted against the refining device, the material collecting device is arranged right below the flow distribution device, the refining device comprises a refining box and a stirring piece arranged in the refining box, the bottom of the refining box is provided with an accommodating groove with a circular arc-shaped cross section, and the accommodating groove is provided with a plurality of discharging holes; the shunting device comprises a rotatable shunting box, a feeding hole and a material collecting bag, wherein part of the rotatable shunting box is accommodated in the accommodating groove, the feeding hole is formed in the shunting box and is opposite to the discharging hole, the material collecting bag is accommodated in the shunting box, an opening of the material collecting bag is fixedly connected to the edge of the feeding hole, a partition plate is arranged between every two adjacent feeding holes, the shunting device further comprises a plurality of heavy balls, an elastic connecting piece is fixedly connected with the other end of the inner wall, opposite to the feeding hole, of the shunting box, and the other end of the inner wall is fixedly connected with the heavy balls, and the heavy balls can extrude the material collecting bag; the material collecting device comprises a plurality of material collecting hoppers capable of facing the openings.

Preferably, the flow dividing box is fixedly connected with the rotating shaft.

Preferably, the maximum stretching length of the collecting bag is greater than the radius of the diversion box, and the maximum stretching length of the elastic connecting piece is greater than the radius of the diversion box.

Preferably, the number of the heavy balls is greater than or equal to the number of the collecting bags.

Preferably, the dividing plate divides the flow dividing box into a plurality of flow dividing chambers.

Preferably, the material of the collecting bag is elastic rubber.

Preferably, the collecting bag is one of an oval shape and a spherical shape.

Preferably, the feed inlet at the top of the feed hopper is rectangular, the bottom of the feed hopper is arc-shaped, and the bottom of the feed hopper is attached to the upper part of the homogenizing box.

Preferably, the stirring member comprises a rotating main shaft and a stirring rod fixedly connected to the rotating main shaft.

Preferably, the stirring member includes a rotating main shaft, and a spiral stirring blade spirally arranged along the rotating main shaft.

The working principle of the invention; when the feed inlet is opposite to the discharge hole, the master batches in the refining box enter the aggregate bag through the feed inlet, and the heavy balls are arranged at the bottom of the flow distribution box; then the flow dividing box continues to rotate, the feed hole is not aligned with the discharge hole, when the feed hole and the discharge hole are not aligned with each other, the discharge hole is blocked by the outer side wall of the flow dividing box, the master batch in the refining box cannot continuously flow downwards, when the feed hole rotates towards the vertical downward direction, the master batch in the aggregate bag falls into the corresponding aggregate bag, meanwhile, the heavy ball gradually becomes in a vertically downward hanging state, the elastic connecting piece is gradually stretched, the heavy ball can swing in the process, and can collide and extrude the aggregate bag in the process of swinging back and forth, and the master batch in the aggregate bag can be completely tilted out and fall into the aggregate bag by the aid of the swinging; then the refining box continues to rotate, the heavy balls gradually move downwards, the feed inlet gradually changes into a forward-upward state, and the next master batch loading process is carried out.

The equipment has uniform feeding speed, does not cause local blockage, can multiply change the feeding speed when the master batches are fed, and has controllable feeding speed and uniform feeding amount. Residual master batches in the aggregate bag can be avoided through collision of the heavy balls.

Drawings

Fig. 1 is a schematic structural diagram of a foaming material masterbatch feeding device according to an embodiment of the present invention;

fig. 2 is another schematic structural diagram (schematic structural diagram of an internal cross section) of a foaming material masterbatch feeding device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a refining box of a foaming material masterbatch feeding device according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a receiving groove of a foaming material masterbatch loading device according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a shunting device of a foaming material masterbatch feeding apparatus according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a flow distribution box of a foaming material masterbatch feeding device according to an embodiment of the present invention; (from left to right, the shape of the inner structure of the flow distribution box when the flow distribution box is rotated by 90 degrees and 180 degrees, and the heavy ball becomes a suspension state)

Fig. 7 is a schematic structural diagram of a collecting hopper of a foaming material masterbatch loading device according to an embodiment of the present invention.

Wherein: the device comprises a feed hopper 1, a refining device 2, a refining box 21, a stirring piece 22, a rotating main shaft 221, a stirring rod 222, a holding tank 23, a discharge hole 231, a flow dividing device 3, a feed hole 31, a material collecting bag 32, a flow dividing box 33, a flow dividing cavity 331, a partition plate 34, a heavy ball 35, an elastic connecting piece 36, a material collecting device 4 and a material collecting hopper 41.

Detailed Description

The present invention will be described in detail with reference to specific embodiments.

Example 1

Referring to fig. 1 to 7, fig. 1 is a schematic structural diagram of a foaming material masterbatch feeding device provided in this embodiment; fig. 2 is a schematic structural diagram of an internal cross section of the foaming material masterbatch feeding device provided in this embodiment; fig. 3 is a schematic structural diagram of a refining box of the foaming material masterbatch feeding device provided in this embodiment; fig. 4 is a schematic structural diagram of an accommodating groove of the foaming material masterbatch loading device provided in this embodiment; fig. 5 is a schematic structural diagram of a shunting device of the foaming material masterbatch feeding apparatus provided in this embodiment; fig. 6 is a schematic structural diagram of a shunt box of the foaming material masterbatch feeding device provided in this embodiment, where from left to right, the shape of the internal structure of the shunt box is when the shunt box rotates 90 ° and 180 °, and the heavy ball becomes a suspension state; fig. 7 is a schematic structural view of a collecting hopper of the foaming material masterbatch feeding device provided in this embodiment.

A foamed material master batch feeding device comprises a feeding hopper 1, a refining device 2 communicated with the feeding hopper 1, a flow distribution device 3 abutted against the refining device 2 and a material collecting device 4 arranged right below the flow distribution device 3, wherein the refining device 2 comprises a refining box 21 and a stirring piece 22 arranged in the refining box 21, a containing groove 23 with a circular arc-shaped cross section is arranged at the bottom of the refining box 21, and a plurality of discharge holes 231 are formed in the containing groove 23; the flow dividing device 3 comprises a rotatable flow dividing box 33 partially accommodated in the accommodating groove 23 (i.e. the accommodating groove 23 can be attached to the flow dividing box 33, the refining box 21 is fixed and cannot rotate, the flow dividing box 33 can rotate, the accommodating groove 23 is always in an attached state with the flow dividing box 33 in the rotating process of the flow dividing box 33), a feeding hole 31 and a material collecting bag 32 which are opened on the flow dividing box 33 and are opposite to the discharging hole 231, the number of the discharging hole 231 and the feeding hole 31 is the same, the shape and size of the discharging hole 231 can be the same as those of the feeding hole 31, so that the master batches in the refining box 21 can enter the material collecting bag 32 through the feeding hole 31 when the discharging hole and the discharging hole are opposite, the material collecting bag 32 is accommodated in the flow dividing box 33, the opening of the material collecting bag 32 is fixedly connected to the edge of the feeding hole 31, a partition plate 34 is arranged between the adjacent feeding holes 31, the flow dividing device 3 further comprises a plurality of heavy balls 35 and an elastic connecting piece 36, one end of the elastic connecting piece 36 is fixedly connected to the inner wall of the flow dividing box 33 on the opposite side of the feeding hole 31, the other end of the elastic connecting piece is fixedly connected to the inner side wall of the flow dividing box 33, the position of a fixed connection point of the elastic connecting piece 36 and the flow dividing box 33 is opposite to a feeding hole, when the elastic connecting piece 36 is vertical, the heavy balls 35 can extrude the material collecting bag 32, when the positive opening of the material collecting bag 32 is positive, the master batches are filled in the material collecting bag 32, then when the opening of the material collecting bag 32 faces downwards, the master batches are gradually poured into the material collecting device 4, and in the swinging process of the heavy balls 35, the shaking feeling brought by the elastic connecting piece can help the master batches which are not completely poured out in the material collecting bag 32 to be poured out; the aggregate device 4 comprises a plurality of aggregate hoppers 41 capable of facing the openings.

Wherein, the shunt box 33 is fixedly connected with the rotating shaft. The maximum stretching length of the collecting bag 32 is larger than the radius of the shunt box 33, and the maximum stretching length of the elastic connecting piece 36 is larger than the radius of the shunt box 33. This is to ensure that the weight balls 35 rub against the manifold 33 when the resilient connector 36 is directed vertically downwards, thereby giving the pocket 32 a vibratory sensation.

The quantity of heavy ball 35 equals in this embodiment of the quantity of collecting bag 32 the quantity of heavy ball 35 is 5, and the quantity of reposition of redundant personnel chamber 331 is also 5, the quantity of heavy ball 35 equals the quantity of elastic connecting piece 36, and elastic connecting piece 36 can be the spring, division board 34 will reposition of redundant personnel case 33 is cut apart into a plurality of reposition of redundant personnel chambers 331, and the quantity of reposition of redundant personnel chamber 331 equals feed port 31, and collecting bag 32, heavy ball 35, elastic connecting piece 36 all set up in reposition of redundant personnel chamber 331, can be equipped with a plurality of heavy balls 35 and elastic connecting piece 36 in a reposition of redundant personnel chamber 331, and of course heavy ball 35 is the same with elastic connecting piece 36's quantity.

The material of collection pocket 32 is elastic rubber, be so in order to can be tensile downwards when adorning the master batch, collection pocket 32's loading capacity grow, when the master batch among the collection pocket 32 is poured out to needs are said, collection pocket 32 can slowly reduce along with the reduction of master batch, along with the rotation elastic connection piece 36 of reposition of redundant personnel case 33 from non-vertical state to vertical state, this in-process can drive heavy ball 35 swing, heavy ball 35's swing can constantly strike collection pocket 32, thereby drop out with gathering the remaining master batch in the pocket 32. In addition, when the heavy ball 35 and the elastic connecting piece 36 are positioned at the lower half part of the diversion box 33, the material collection bag 32 is not impacted, so that the stability of master batches in the material collection bag 32 is not influenced.

The collection bag 32 is oval.

The feed inlet at the top of feed hopper 1 is rectangle, and the bottom is arc, the bottom of feed hopper 1 with the upper portion of even workbin 21 partially laminates.

The stirring member 22 includes a rotating main shaft 221 and a stirring rod 222 fixed to the rotating main shaft 221.

Even workbin 21 is fixed can not rotate, and the position of discharge opening 231 is fixed, and the stirring piece 22 that sets up in even workbin 21 can rotate, through rotating constantly stirring master batch for master batch in even workbin 21 can even distribution, and reposition of redundant personnel case 33 is constantly pivoted, is driving the opening orientation change of feed opening 31, collection pocket 32. When the feed inlet is opposite to the discharge hole 231, the master batches in the refining box 21 enter the collecting bag 32 through the feed inlet, and the heavy ball 35 is arranged at the bottom of the flow dividing box 33; then the diversion box 33 continues to rotate, the feeding hole 31 is not aligned with the discharging hole 231, when the feeding hole 31 is not aligned with the discharging hole 231, the discharging hole 231 is blocked by the outer side wall of the diversion box 33, the master batches in the homogenizing box 21 do not continuously flow downwards, when the feeding hole 31 rotates in the vertical downward direction, the master batches in the collecting bag 32 fall into the corresponding collecting hopper 41, meanwhile, the heavy ball 35 gradually becomes in a vertically downward hanging state, the elastic connecting piece 36 is gradually stretched, in the process, the heavy ball 35 can swing, and in the process of swinging back and forth, the heavy ball collides and extrudes the collecting bag 32, and the master batches in the auxiliary collecting bag 32 can completely tilt out by the swinging and fall into the collecting hopper 41; then the material homogenizing box 21 continues to rotate, the heavy balls 35 gradually descend, the feeding hole gradually becomes a positive upward state, and the next master batch loading is carried out. The process is repeated continuously to realize the shunting and feeding of the master batch.

Certainly, in the whole process, the rotating speed of the diversion box 33 may be connected with the relevant PLC module so that the rotating speed of the diversion box 33 is not fixed, and may be that when the feeding hole 31 is opposite to the discharging hole 231, the rotating speed of the diversion box 33 is relatively slow, or the diversion box does not rotate, and stops rotating for a certain time, so that the master batches can be filled in the material collecting bag 32; then the flow dividing box 33 accelerates to rotate again, so that the feeding hole 31 and the discharging hole 231 are not over against each other; slightly decelerating when the feed hole 31 faces downward, so that the master batches in the collecting bag 32 can completely fall into the collecting hopper 41; then the flow dividing box 33 accelerates again to continue rotating, so that the feeding hole 31 and the discharging hole 231 are aligned again.

Example 2

Referring to fig. 1 to 7, a foamed material masterbatch feeding device includes a feeding hopper 1, a material homogenizing device 2 communicated with the feeding hopper 1, a flow dividing device 3 abutting against the material homogenizing device 2, and a material collecting device 4 disposed under the flow dividing device 3, wherein the material homogenizing device 2 includes a material homogenizing box 21 and a stirring member 22 disposed in the material homogenizing box 21, an accommodating groove 23 having a circular arc cross section is disposed at the bottom of the material homogenizing box 21, and a plurality of discharging holes 231 are disposed on the accommodating groove 23; the distributing device 3 comprises a rotatable distributing box 33 partially accommodated in the accommodating tank 23, a feeding hole 31 provided on the distributing box 33 and facing the discharging hole 231, and a collecting bag 32 (i.e. the accommodating tank 23 can be attached to the distributing box 33, the refining box 21 is fixed and cannot rotate, the distributing box 33 can rotate, and the accommodating tank 23 is always attached to the distributing box 33 in the rotating process of the distributing box 33), the collecting bag 32 is accommodated in the distributing box 33, the opening of the collecting bag 32 is fixedly connected to the edge of the feeding hole 31, a partition plate 34 is arranged between adjacent feeding holes 31, the distributing device 3 further comprises a plurality of heavy balls 35, and an elastic connecting piece 36, one end of which is fixedly connected to the inner wall of the semicircle of the side of the distributing box 33 where the feeding hole 31 is not provided, and the other end of which is fixedly connected to the heavy balls 35, namely, the position of the fixed point of the elastic connecting piece 36 and the flow dividing box 33 is on the arc of the semicircle opposite to the feeding hole 31. The heavy balls 35 are capable of squeezing the collection bag 32; the aggregate device 4 comprises a plurality of aggregate hoppers 41 capable of facing the openings.

The shunt box 33 is fixedly connected with the rotating shaft.

The maximum stretching length of the collecting bag 32 is larger than the radius of the shunt box 33, and the maximum stretching length of the elastic connecting piece 36 is larger than the radius of the shunt box 33.

The number of the heavy balls 35 is equal to 2 times of the collecting bag 32. The partition plate 34 divides the flow dividing box 33 into a plurality of flow dividing chambers 331. In this embodiment, the number of the heavy balls 35 is 10, and the number of the shunt cavities 331 is also 5.

Wherein the collecting bag 32 is spherical. Simultaneously the feed inlet at the top of feeder hopper 1 is rectangle, and the bottom is arc, the bottom of feeder hopper 1 with the upper portion of even workbin 21 partially laminates. The stirring member 22 includes a rotating main shaft 221, and a spiral stirring blade spirally disposed along the rotating main shaft 221. According to the design, when one part of the material is more and the other part of the material is less, the material at one end can be carried to other places, and the material is uniform.

The discharge port of the collecting hopper 41 is just opposite to the equipment of the next procedure, so that the shunted master batches can enter the next procedure, when the collecting hopper is used as the feeding equipment in the application, the number of the outlets of the collecting hopper 41 of the machine entering the next procedure can be selected according to the requirement, the collecting device 4 of the application can be used for multiple machines of the next procedure, for example, 5 collecting hoppers 41 are provided, the outlets of the collecting hopper 41 of No. 1-3 are just opposite to the inlet of the machine of No. 1, and the collecting hopper 41 of No. 4-5 is just opposite to the machine of No. 2. Therefore, the feeding speed of the master batches is controlled by the number of the opposite material collecting hoppers 41. Meanwhile, the collecting hoppers 41 may be provided with a cover, and some collecting hoppers 41 may be closed when the feeding speed of the master batches is not so high.

The equipment has uniform feeding speed, does not cause local blockage, can multiply change the feeding speed when the master batches are fed, and has controllable feeding speed and uniform feeding amount. The residual master batch in the collecting bag 32 can be avoided by the collision of the heavy balls 35.

The present invention is not limited to the above-described specific embodiments, and various modifications and variations are possible. Any modifications, equivalents, improvements and the like made to the above embodiments in accordance with the technical spirit of the present invention should be included in the scope of the present invention.

Claims (10)

1. The equipment for feeding the foaming material master batches is characterized by comprising a feeding hopper, a refining device, a flow distribution device and a material collecting device, wherein the feeding hopper is arranged from top to bottom, the refining device is communicated with the feeding hopper, the flow distribution device is abutted against the refining device, the material collecting device is arranged right below the flow distribution device, the refining device comprises a refining box and a stirring piece arranged in the refining box, a containing groove with a circular arc-shaped cross section is arranged at the bottom of the refining box, and a plurality of discharge holes are formed in the containing groove; the shunting device comprises a rotatable shunting box, a feeding hole and a material collecting bag, wherein part of the rotatable shunting box is accommodated in the accommodating groove, the feeding hole is formed in the shunting box and is opposite to the discharging hole, the material collecting bag is accommodated in the shunting box, an opening of the material collecting bag is fixedly connected to the edge of the feeding hole, a partition plate is arranged between every two adjacent feeding holes, the shunting device further comprises a plurality of heavy balls, an elastic connecting piece is fixedly connected with the other end of the inner wall, opposite to the feeding hole, of the shunting box, and the other end of the inner wall is fixedly connected with the heavy balls, and the heavy balls can extrude the material collecting bag; the material collecting device comprises a plurality of material collecting hoppers capable of facing the openings.

2. The master batch feeding device for the foaming material according to claim 1, wherein the shunt box is fixedly connected with the rotating shaft.

3. The master batch feeding device for the foaming material according to claim 1, wherein the maximum stretching length of the collecting bag is greater than the radius of the shunt box, and the maximum stretching length of the elastic connecting piece is greater than the radius of the shunt box.

4. The master batch feeding device for the foaming material according to claim 1, wherein the number of the heavy balls is greater than or equal to that of the material collecting bags.

5. The master batch feeding device for the foaming material according to claim 1, wherein the dividing box is divided into a plurality of dividing cavities by the partition plate.

6. The master batch feeding device for the foaming material according to claim 5, wherein the material collecting bag is made of elastic rubber.

7. The master batch feeding device for the foaming material according to claim 6, wherein the material collecting bag is one of an oval shape and a spherical shape.

8. The master batch feeding device for the foaming materials according to claim 1, wherein a feeding hole at the top of the feeding hopper is rectangular, the bottom of the feeding hopper is arc-shaped, and the bottom of the feeding hopper is attached to the upper part of the homogenizing box.

9. The master batch feeding device for the foaming material according to claim 8, wherein the stirring member comprises a rotating main shaft and a stirring rod fixedly connected to the rotating main shaft.

10. The master batch feeding device for the foaming material according to claim 8, wherein the stirring member comprises a rotating main shaft and a spiral stirring sheet spirally arranged along the rotating main shaft.

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