CN210308524U

CN210308524U - Plastic film production and processing is with raw materials compounding device

Info

Publication number: CN210308524U
Application number: CN201920872497.4U
Authority: CN
Inventors: 尹保民; 李雪; 尹华峰
Original assignee: Cangzhou Xinfeng Plastic Co Ltd
Current assignee: Cangzhou Xinfeng Plastic Co Ltd
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-04-14
Anticipated expiration: 2029-06-12

Abstract

The utility model belongs to the technical field of plastic production, in particular to a raw material mixing device for plastic film production and processing, which can well and completely mix different master batches and auxiliary agents evenly, improve the production quality of plastic products, facilitate the removal of dust doped in the master batches and the auxiliary agents, and improve the yield of plastic products, and comprises a stirring device and a dust cleaning device, wherein the stirring device comprises a stirring box, a left stirring shaft and a right stirring shaft, the bottom end of the stirring box is provided with a supporting leg, the left side of the top end of the stirring box is provided with a feed inlet, the left stirring shaft and the right stirring shaft are respectively provided with a plurality of groups of left stirring rods and right stirring rods along the axial direction of the left stirring shaft and the right stirring shaft, the lower side of the right end of the stirring box is provided with a discharge pipe, the dust cleaning device comprises a filter box, a suction fan and a filter body, the top output end of the suction fan is provided with an exhaust pipe.

Description

Plastic film production and processing is with raw materials compounding device

Technical Field

The utility model belongs to the technical field of plastics production, especially, relate to a raw materials compounding device is used in plastic film production and processing.

Background

As is known, in the process of processing plastic products, color mixing, drying and addition of an auxiliary agent are often required to be performed on plastic master batches, and in these processes, the stirring uniformity is directly related to whether the quality of the plastic finished products is good, and the more sufficient and uniform the stirring is, the higher the quality of the plastic finished products is, and therefore, the stirring of the plastic master batches is an important process in the process of manufacturing the plastic finished products.

Present plastics master batch stirring mixing arrangement generally rotates at the box inside through motor drive (mixing) shaft, make and put into the inside different master batches of box and auxiliary agent and mix under the rotation of (mixing) shaft, its in use discovers, (mixing) shaft unidirectional motion, make different master batches and auxiliary agent be driven easily and push away to the inside one side region of box, the master batch and the auxiliary agent that will not be fine mix comprehensively, mixing uniformity is relatively poor, influence plastics product production quality, be not convenient for clear away the dust of doping in master batch and the auxiliary agent simultaneously, direct mixing is used in master batch and the auxiliary agent, cause the plastics yield to be lower easily.

SUMMERY OF THE UTILITY MODEL

To the problem in the background, the utility model aims to provide a master batch and auxiliary agent that will be different that can be fine carry out comparatively even comprehensive mixture, improve plastics product production quality, be convenient for clear away the dust of doping in master batch and the auxiliary agent, improve the plastic yield's raw materials compounding device for plastic film production and processing.

In order to achieve the above object, the utility model provides a following technical scheme:

a raw material mixing device for plastic film production and processing comprises a stirring device and an ash removal device;

the stirring device comprises a stirring box, a left stirring shaft and a right stirring shaft, wherein a supporting leg is arranged at the bottom end of the stirring box, a feeding hole is arranged at the left side of the top end of the stirring box, a connecting seat is arranged in the middle of the stirring box, the bottom end of the connecting seat is connected with the middle part of the inner wall of the bottom end of the box body through a supporting frame, a left rotating hole and a right rotating hole are respectively arranged in the middle parts of the left end and the right end of the connecting seat, the right end of the left stirring shaft is rotatably connected with the inner part of the left rotating hole, the left end of the right clamping plate shaft is rotatably connected with the inner part of the right rotating hole, the left end of the left stirring shaft and the right end of the right stirring shaft respectively penetrate through the left side wall and the right side wall of the stirring box from the inner part of the stirring box and extend out of the stirring box, a left belt, guide wheels are rotatably arranged on the supports, each guide wheel comprises two auxiliary belt pulleys, the two auxiliary belt pulleys are symmetrically and rotatably arranged on the front side and the rear side of each support respectively, connecting belts used for enabling the left belt pulley and the right belt pulley to rotate in opposite directions are sequentially sleeved on the left belt pulley, the right belt pulley and the auxiliary belt pulleys, a driving motor used for driving the front auxiliary belt pulley to rotate is arranged at the front end of one of the two supports, a plurality of groups of left stirring rods and a plurality of groups of right stirring rods are arranged on the left stirring shaft and the right stirring shaft respectively along the axial direction of the left stirring shaft and the right stirring shaft, a discharge pipe is arranged on the lower side of the right end of the stirring box, and a valve is arranged on the discharge;

the utility model discloses a dust removal filter, dust removal device and filter box, including the dust removal filter cloth, the dust removal filter cloth is used for the filter box to filter box's top outer wall right side is provided with the gas vent to the right-hand member outer wall upside region of agitator box is provided with the filter screen on the gas vent, the gas vent with the right side of filter box is through intercommunication return bend intercommunication, the filter body is including the dust removal filter cloth and the strutting arrangement who is used for supporting the dust removal filter cloth and use, the dust removal filter cloth passes through strutting arrangement vertical support and sets up inside the filter box, the right part input of suction fan communicates with the left end middle part of filter box, and the.

In order to make left puddler and right puddler to the comparatively even application of force of the mixed material of plastics master batch and auxiliary agent, improve stirring effect, the utility model discloses the improvement has, every group left puddler all include a plurality ofly and along the outer wall of left side (mixing) shaft is the circumference equipartition, and every group right puddler all include a plurality ofly and along the outer wall of right side (mixing) shaft is the circumference equipartition.

For convenient use is fixed to the dust removal filter cloth and can dismantle the change, the utility model discloses the improvement has, strutting arrangement includes solid fixed ring in a left side and the solid fixed ring in the right side, solid fixed ring in a left side's circumference outer wall with the inside sealing connection of rose box to the solid fixed ring in a left side goes up the circumference and is provided with a plurality of screw thread through-holes that run through about, solid fixed ring in the right side goes up the circumference and is provided with a plurality of installation through-holes that run through about, the inside bolt that all is provided with of multiunit installation through-hole to the left end of a plurality of bolts is inside the screw thread through-hole of organizing at.

In order to improve the filter effect of the filter box to dust in the flue gas, the utility model discloses the improvement has, the quantity of filtering the body sets up to a plurality ofly.

In order to add plastics master batch and auxiliary agent to agitator tank inside conveniently, the utility model discloses the improvement has, the top intercommunication of feed inlet is provided with the inlet pipe.

In order to increase the entry area of inlet pipe, be convenient for operating personnel to inside plastics master batch and the auxiliary agent of adding of agitator tank, the utility model discloses the improvement has, the inlet pipe sets up to leaking hopper-shaped.

In order to reduce the support frame to the mixed material's of plastics master batch and auxiliary agent resistance, the mixed material circulation of being convenient for, the utility model discloses the improvement has, the support frame includes two bracing pieces to two bracing pieces are vertical symmetrical arrangement respectively at the bottom front side and the rear side of connecting seat.

In order to clean the misce bene attached at filter screen left end plastics master batch and auxiliary agent in time for the sake of convenience, the utility model discloses the improvement has, the regional fixed cover in right side of right side (mixing) shaft is equipped with the retainer plate to vertically be provided with the brush-holder stud on the retainer plate, the right part upside area of brush-holder stud is provided with the brush hair, the right-hand member of brush hair with the left end of filter screen pastes tightly.

In order to improve holistic bearing capacity, the utility model discloses the improvement has, the quantity of landing leg sets up to four to the top of four landing legs respectively with left front side, left rear side, right front side and the right rear side of agitator bottom outer wall are connected.

In order to increase the whole in-process of placing and place the area of contact between the position, improve holistic stability of placing, the utility model discloses the improvement has, the bottom of landing leg transversely is provided with the bottom plate.

Compared with the prior art, the beneficial effects of the utility model are that: the raw material mixing device for producing and processing the plastic film with the novel structure can firstly add plastic master batches and auxiliary agents which need to be stirred and mixed into the stirring box according to the process proportion through the feed port, drive one of the auxiliary belt pulleys to rotate through the rotation of the driving motor, thereby driving the connecting belt to rotate, according to the transmission principle, the connecting belt rotates in a single direction to drive the left belt pulley and the right belt pulley to rotate in a reverse synchronous way, thereby enabling the left stirring shaft and the right stirring shaft to rotate in a reverse synchronous way inside the stirring box, enabling a plurality of groups of left stirring rods and a plurality of groups of right stirring rods to rotate in a reverse direction simultaneously, stirring the plastic master batches and the auxiliary agents in a two-way manner, reducing the phenomenon that the plastic master batches and the auxiliary agents are accumulated in one side area inside the stirring box and are not stirred sufficiently and uniformly, meanwhile, the smoke raised in the process of stirring the plastic master batches and the auxiliary agents in the stirring box can be absorbed by the suction fan, so that the smoke enters the filter box from the communicated bent pipe, is filtered and intercepted by the dust removing filter cloth, the residue of dust in the stirring box is reduced, the cleanliness of the plastic master batches and the auxiliary agents is improved, the dust doped in the master batches and the auxiliary agents is convenient to clear, and the plastic yield is improved.

Drawings

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

Fig. 2 is a left side view structure diagram of the connection of the stirring box, the connecting belt, the left belt pulley, the auxiliary belt pulley and the like.

Fig. 3 is a right side view structure diagram of the right fixing ring, the dust removing filter cloth and the bolt connection of the utility model.

Fig. 4 is a schematic diagram of a partial enlarged structure at a in fig. 1 according to the present invention.

Fig. 5 is a schematic diagram of a partial enlarged structure at B in fig. 1 according to the present invention.

Fig. 6 is a right-side view structural diagram of the connection seat and two support rods of the present invention.

In the drawings, the reference numbers: 1. a stirring box; 2. a left stirring shaft; 3. a support leg; 4. a left belt pulley; 5. a support; 6. an auxiliary pulley; 7. connecting a belt; 8. a drive motor; 9. a left stirring rod; 10. a discharge pipe; 11. a valve; 12. a filter box; 13. a suction fan; 14. a communication elbow; 15. dust removal filter cloth; 16. an exhaust pipe; 17. a left retaining ring; 18. a right securing ring; 19. a bolt; 20. a feed pipe; 21. a support bar; 22. a stationary ring; 23. a brush bar; 24. brushing; 25. a base plate; 26. a connecting seat; 27. and (4) a filter screen.

Detailed Description

In order to make the technical solution of the present invention more apparent, the present invention will be further described in detail with reference to the following examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 6, the utility model discloses a raw materials compounding device is used in plastic film production and processing, including agitating unit and ash removal device, agitating unit includes agitator tank 1, left (mixing) shaft 2 and right (mixing) shaft, agitator tank 1's bottom is provided with landing leg 3, landing leg 3's quantity sets up to four landing leg 3's top respectively with left front side, left rear side, right front side and the right rear side of 1 bottom outer wall of agitator tank are connected, improve holistic holding power. The bottom of landing leg 3 transversely is provided with bottom plate 25, increase whole in-process of placing and place the area of contact between the position, improve holistic stability of placing. And the top left side of agitator tank 1 is provided with the feed inlet, the top intercommunication of feed inlet is provided with inlet pipe 20, conveniently adds plastics master batch and auxiliary agent to agitator tank 1 inside. Inlet pipe 20 sets up to leaking hopper-shaped, and the entry area of increase inlet pipe 20 is convenient for operating personnel to 1 inside plastics master batches and the auxiliary agent of adding of agitator tank. The middle part of agitator tank 1 is provided with connecting seat 26, and the bottom of connecting seat 26 is passed through the support frame and is connected with the bottom inner wall middle part of box, the support frame includes two bracing pieces 21 to two bracing pieces 21 are vertical symmetrical arrangement respectively at the bottom front side and the rear side of connecting seat 26, reduce the resistance of support frame to the mixing material of plastics master batch and auxiliary agent, the mixing material circulation of being convenient for. The left end and the right end middle part of connecting seat 26 are provided with the left hand rotation hole and the right hand rotation hole respectively, and the right-hand member of left side (mixing) shaft 2 and the left end of right splint axle all pass through bearing rotatable coupling with the downthehole portion of left hand rotation and the downthehole portion of right hand rotation respectively, can pass through connecting seat 26, and the left branch axle and the right branch axle of being convenient for rotate. The left end of left (mixing) shaft 2 and the right-hand member of right (mixing) shaft all pass left side wall and the right side wall of agitator tank 1 respectively and stretch out to agitator tank 1 external from agitator tank 1 is inside, left (mixing) shaft 2 and right (mixing) shaft all through mechanical seal rotatable coupling between the left side wall and the right side wall of agitator tank 1 respectively, improve agitator tank 1's leakproofness. A left belt pulley 4 and a right belt pulley are respectively arranged at the left end of the left stirring shaft 2 and the right end of the right stirring shaft, two brackets 5 are respectively arranged at the left side and the right side of the bottom end of the stirring box 1, a guide wheel is rotatably arranged on each bracket 5, the guide wheel comprises two auxiliary belt pulleys 6, the two auxiliary belt pulleys 6 are respectively symmetrically and rotatably arranged at the front side and the rear side of each bracket 5, a connecting belt 7 for enabling the left belt pulley 4 and the right belt pulley to rotate oppositely is sequentially sleeved on the left belt pulley 4, the right belt pulley and the auxiliary belt pulley 6, a driving motor 8 for driving the front auxiliary belt pulley 6 to rotate is arranged at the front end of one bracket 5 in the two brackets 5, a plurality of groups of left stirring rods 9 and a plurality of groups of right stirring rods are respectively arranged on the left stirring shaft 2 and the right stirring shaft along the axial direction of, rotate through driving motor 8, drive one of them auxiliary pulley 6 and rotate, thereby can drive connecting belt 7 and rotate, according to the transmission principle, connecting belt 7 unidirectional rotation can drive left belt pulley 4 and the reverse synchronous rotation of right belt pulley, thereby make left (mixing) shaft 2 and right (mixing) shaft rotate at the inside reverse synchronous rotation of agitator tank 1, make the while reverse rotation of the left puddler of multiunit 9 and the right puddler of multiunit, carry out two-way stirring to plastics master batch and auxiliary agent, it piles up the regional phenomenon that stirs inadequately evenly in 1 inside one side of agitator tank to reduce plastics master batch and auxiliary agent, can be fine carry out comparatively even comprehensive mixing with different master batch and auxiliary agent. Every group left puddler 9 all includes a plurality ofly and along the outer wall of left side (mixing) shaft 2 is the circumference equipartition, and every group right puddler all includes a plurality ofly and along the outer wall of right side (mixing) shaft is the circumference equipartition, makes left puddler 9 and right puddler to the comparatively even application of force of the mixed material of plastics master batch and auxiliary agent, improves stirring effect. The right-hand member downside of agitator tank 1 is provided with row material pipe 10 to arrange and be provided with valve 11 on the material pipe 10, can be convenient for agitator tank 1 inside material through arranging material pipe 10 and discharge, can be convenient for control material through valve 11 simultaneously and discharge the flow condition, improve the practicality.

The ash removal device includes rose box 12, suction fan 13 and filtering body, the bottom of rose box 12 with the top outer wall right side of agitator tank 1 is connected to the right-hand member outer wall upside region of agitator tank 1 is provided with the gas vent, is provided with filter screen 27 on the gas vent, can pass through filter screen 27, is convenient for hold back 1 inside plastics master batch and auxiliary agent of agitator tank, prevents that it from getting into inside rose box 12 along with the flow of flue gas. The regional fixed retainer plate 22 that is equipped with in right side of right side (mixing) shaft to vertically be provided with brush-holder stud 23 on the retainer plate 22, the right part upside area of brush-holder stud 23 is provided with brush hair 24, brush hair 24 the right-hand member with the left end of filter screen 27 pastes tightly, can drive brush-holder stud 23's rotation through the rotation of right side (mixing) shaft, makes brush hair 24 can in time effectually clean filter screen 27 left end, reduces plastics master batch and auxiliary agent and attaches at the filter screen 27 left end and influence the condition that the flue gas flows, improves the reliability in utilization. The exhaust port is communicated with the right side of the filter box 12 through a communication elbow 14, so that the flue gas can conveniently flow into the filter box 12 for treatment, and the resistance is reduced. The filter body comprises a dust removing filter cloth 15 and a supporting device used for supporting the dust removing filter cloth 15, the dust removing filter cloth 15 is longitudinally supported and arranged inside a filter box 12 through the supporting device, the supporting device comprises a left fixing ring 17 and a right fixing ring 18, the outer wall of the circumference of the left fixing ring 17 is hermetically connected with the inside of the filter box 12, a plurality of thread through holes which penetrate left and right are formed in the circumference of the left fixing ring 17, a plurality of mounting through holes which penetrate left and right are formed in the circumference of the right fixing ring 18, bolts 19 are arranged inside a plurality of groups of the mounting through holes, the left ends of the bolts 19 are respectively screwed into the plurality of groups of the thread through holes, the dust removing filter cloth 15 is tightly clamped and arranged between the left fixing ring 17 and the right fixing ring 18, the dust removing filter cloth 15 can be longitudinally supported through the left fixing ring 17 and the, meanwhile, the replacement, the disassembly and the installation of the dust removing filter cloth 15 are convenient through the screw assembly between the bolt 19 and the thread through hole. The right part input end of the suction fan 13 is communicated with the middle part of the left end of the filter box 12, the exhaust pipe 16 is arranged at the output end of the top of the suction fan 13, and the suction fan 13 can be used for conveniently sucking the flue gas in the stirring box 1 into the filter box 12 to perform filtering treatment.

The utility model discloses a working process: the whole is stably placed at a position required to be used by a user through the bottom plate 25, plastic master batches and auxiliaries which need to be stirred and mixed are added into the stirring box 1 through the inlet pipe 20 according to a process proportion, the driving motor 8 is powered on and opened, the left stirring shaft 2 and the right stirring shaft rotate reversely, the mixed materials are stirred and mixed reversely and uniformly through the left stirring rod 9 and the right stirring rods, the suction fan 13 is powered on and opened simultaneously, smoke lifted inside the stirring box 1 is sucked into the filtering box 12, dust in the smoke is filtered through the dust removal filtering cloth 15, the environmental pollution is reduced, dust contained in the mixed materials is discharged along with gas in the turning process, the dust in the mixed materials is reduced, the valve 11 is opened finally, and the mixed mixture is discharged from the discharge pipe 10 for use.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

In the description herein, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description herein, it is to be noted that, unless expressly stated or limited otherwise, the terms "connected" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection may be mechanical or electrical, and may be direct or indirect via an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a plastic film production and processing is with raw materials compounding device which characterized in that: comprises a stirring device and an ash cleaning device; agitating unit includes agitator tank (1), left (mixing) shaft (2) and right (mixing) shaft, the bottom of agitator tank (1) is provided with landing leg (3) to the top left side of agitator tank (1) is provided with the feed inlet, the middle part of agitator tank (1) is provided with connecting seat (26), and the bottom of connecting seat (26) is passed through the support frame and is connected with the bottom inner wall middle part of box, the left end and the right-hand member middle part of connecting seat (26) are provided with the left side respectively and are rotated the hole and rotate the hole with the right side, and the right-hand member and the inside rotatable coupling of left side rotation hole of left (mixing) shaft (2), the left end and the right-hand member of right (mixing) shaft of right side (mixing) shaft all pass the left side wall and the right side wall of agitator tank (1) respectively and stretch out to agitator tank (1) external world from agitator tank (1) inside, and the left end and the right-hand member of right (mixing) shaft of left (2) are The left side and the right side of the bottom end of the stirring box (1) are respectively provided with two supports (5), each support (5) is rotatably provided with a guide wheel, each guide wheel comprises two auxiliary belt pulleys (6), the two auxiliary belt pulleys (6) are respectively symmetrically and rotatably arranged on the front side and the rear side of each support (5), the left belt pulley (4), the right belt pulley and the auxiliary belt pulleys (6) are sequentially sleeved with a connecting belt (7) for enabling the left belt pulley (4) and the right belt pulley to rotate oppositely, the front end of one support (5) in the two supports (5) is provided with a driving motor (8) for driving the front auxiliary belt pulley (6) to rotate, and the left stirring shaft (2) and the right stirring shaft are respectively provided with a plurality of groups of left stirring rods (9) and a plurality of groups of right stirring rods along the axial directions of the left stirring shaft (2) and the right stirring shaft, a discharge pipe (10) is arranged on the lower side of the right end of the stirring box (1), and a valve (11) is arranged on the discharge pipe (10); the ash removal device comprises a filter box (12), a suction fan (13) and a filter body, the bottom end of the filter box (12) is connected with the right side of the outer wall of the top end of the stirring box (1), an air outlet is formed in the upper side area of the outer wall of the right end of the stirring box (1), a filter screen (27) is arranged on the air outlet, the air outlet is communicated with the right side of the filter box (12) through a communication elbow (14), the filter body comprises dust removal filter cloth (15) and a supporting device used for supporting the dust removal filter cloth (15), the dust removal filter cloth (15) is longitudinally supported and arranged inside the filter box (12) through the supporting device, the right input end of the suction fan (13) is communicated with the middle portion of the left end of the filter box (12), and the top output end of the suction fan (13) is.

2. The raw material mixing device for producing and processing the plastic film according to claim 1, characterized in that: each group of the left stirring rods (9) comprises a plurality of stirring rods which are uniformly distributed along the circumference of the outer wall of the left stirring shaft (2), and each group of the right stirring rods comprises a plurality of stirring rods which are uniformly distributed along the circumference of the outer wall of the right stirring shaft.

3. The raw material mixing device for producing and processing the plastic film according to claim 1, characterized in that: the utility model discloses a dust removal filter cloth, including strutting arrangement, the circumference outer wall of the solid fixed ring of left side (17) and the solid fixed ring of right side (18), the circumference outer wall of the solid fixed ring of left side (17) with the inside sealing connection of rose box (12) to the circumference is provided with a plurality of screw thread through-holes that run through about on the solid fixed ring of left side (17), the circumference is provided with a plurality of installation through-holes that run through about on the solid fixed ring of right side (18), and the inside bolt (19) that all is provided with of multiunit installation through-hole to the left end difference spiral shell dress of a plurality of bolts (19) is inside the screw thread through-hole of organizing at most, dust removal.

4. The raw material mixing device for producing and processing the plastic film according to claim 1, characterized in that: the number of the filter bodies is set to be a plurality.

5. The raw material mixing device for producing and processing the plastic film according to claim 1, characterized in that: the top of feed inlet intercommunication is provided with inlet pipe (20).

6. The raw material mixing device for producing and processing the plastic film according to claim 5, characterized in that: the feed pipe (20) is arranged in a funnel shape.

7. The raw material mixing device for producing and processing the plastic film according to claim 1, characterized in that: the support frame comprises two support rods (21), and the two support rods (21) are longitudinally and symmetrically arranged on the front side and the rear side of the bottom end of the connecting seat (26) respectively.

8. The raw material mixing device for producing and processing the plastic film according to claim 1, characterized in that: the fixed retainer plate (22) of being equipped with of right side region of right side (mixing) shaft to vertically be provided with brush-holder stud (23) on retainer plate (22), the right part upside region of brush-holder stud (23) is provided with brush hair (24), the right-hand member of brush hair (24) with the left end of filter screen (27) pastes tightly.

9. The raw material mixing device for producing and processing the plastic film according to claim 1, characterized in that: the quantity of landing leg (3) sets up to four to the top of four landing legs (3) respectively with left front side, left rear side, right front side and the right rear side of agitator tank (1) bottom outer wall are connected.

10. The raw material mixing device for producing and processing the plastic film as claimed in claim 9, wherein: the bottom ends of the supporting legs (3) are transversely provided with bottom plates (25).