CN115302734A

CN115302734A - Automatic feed formula TPU production and processing is with extrusion device

Info

Publication number: CN115302734A
Application number: CN202211238412.XA
Authority: CN
Inventors: 曹小妹
Original assignee: Nantong Jinhongchang Electronic Technology Co ltd
Current assignee: Nantong Jinhongchang Electronic Technology Co ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2022-11-08
Anticipated expiration: 2042-10-11
Also published as: CN115302734B

Abstract

The invention discloses an automatic feeding type extruding device for TPU production and processing, which relates to the technical field of plastic molding production and comprises a workbench and a spiral extruder, wherein the spiral extruder is arranged on the workbench, an extruding head is arranged at one end of the spiral extruder, a feeding hopper is arranged at one end, far away from the extruding head, of the spiral extruder, a supporting table is arranged at one end, close to the feeding hopper, above the workbench, a feeding hopper is arranged above the supporting table, and the bottom end of the feeding hopper is connected with the top of the feeding hopper through a feeding assembly.

Description

Automatic feed formula TPU production and processing is with extrusion device

Technical Field

The invention relates to the technical field of plastic molding production, in particular to an automatic feeding type extrusion device for TPU production and processing.

Background

The TPU is named as thermoplastic polyurethane elastomer rubber, is a high polymer material formed by the joint reaction and polymerization of diisocyanate molecules such as diphenylmethane diisocyanate or toluene diisocyanate, macromolecular polyol and low-molecular polyol, has excellent characteristics of high tension, high tensile force, toughness and aging resistance, and is a mature environment-friendly material; at present, TPU is widely applied to the aspects of medical health, electronic and electric appliances, industry, sports and the like; the thermoplastic polyurethane elastomer TPU can be divided into a polyester type and a polyether type according to the molecular structure, and can be divided into an injection molding grade, an extrusion grade, a blow molding grade and the like according to the processing mode;

during the production and processing of the TPU, the TPU is processed into a film by using a screw extruder, so that a common processing mode is realized, the TPU raw material needs to be fed into the screw extruder through a feed hopper during the processing of the TPU into the film, the feed hopper is blocked due to excessive stacking of the raw material in the feed hopper during the feeding process through the feed hopper, the blanking cannot be completed, the extruded finished product is discontinuous due to insufficient stacking of the raw material in the feed hopper, the production effect is influenced, and the extruded finished product is not convenient to directly roll due to overhigh temperature, so that the TPU raw material occupies a large space during the processing, and the space utilization rate is influenced;

therefore, an automatic feeding type extrusion device for TPU production and processing is urgently needed to solve the technical problems.

Disclosure of Invention

The invention aims to provide an automatic feeding type extruding device for TPU production and processing, and aims to solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an automatic feed formula TPU extrusion device for production and processing, this extrusion device includes workstation and screw extruder, install screw extruder on the workstation, the extrusion head is installed to screw extruder one end, the inside cooling cavity that has seted up of workstation, the cooling cavity is used for carrying out cooling to the TPU film of extruding for the TPU film of extruding can rapid prototyping, roll-up, reduce the area in the TPU course of working, extrusion head below is provided with the guide roll, the guide roll is used for guiding the advancing direction of the TPU film of extruding, cooling cavity internally mounted has the cooling roller, the cooling roller is used for carrying out cooling to the TPU film of extruding, simultaneously, avoids the TPU film to adhere on the cooling roller, makes things convenient for follow-up to carry out the roll-up to the TPU film, screw extruder keeps away from extrusion head one end and is provided with the feeder hopper, the feeder hopper is used for throwing the TPU raw materials into screw extruder and processes, the workstation top is provided with the brace table near feeder hopper one end, the brace table top is provided with the feeder hopper, the feeder hopper is used for realizing the automatic feed to the feeder hopper for keeping in a certain feed speed that causes the jam, avoid the feeder hopper to extrude the continuous connection of TPU film and the feeder hopper, the feeder hopper can not only be connected the continuous feeder hopper bottom of TPU film, the feeder hopper that the TPU film that extrudes can not cause the feeder hopper can not block up all the raw materials that the feeder hopper all the feeder hopper can not be connected in the continuous feeder hopper, the feeder hopper that the TPU film that the TPU that the feeder hopper can not cause the feeder hopper that the TPU film that extrudes.

As the preferred technical scheme, the feeding assembly comprises a conveying pipe, a bearing and a mounting assembly;

bearings are mounted at two ends of the conveying pipe, the bearings are used for keeping the conveying pipe to normally rotate so as to realize indirect feeding, two ends of the conveying pipe are mounted at the bottom end of the feeding hopper and the top of the feeding hopper through mounting assemblies, the conveying pipe is obliquely arranged and used for conveying TPU raw materials in the feeding hopper into the feeding hopper so as to realize automatic feeding;

the conveying pipeline is internally separated into a plurality of feeding channels through a partition plate, TPU raw materials in the feeding hopper enter the feeding hopper through the feeding channels, the feeding channels are close to one end of the feeding hopper and are provided with driving grooves, the driving grooves are keys for realizing feeding through rotation of the conveying pipeline, the driving grooves are arranged on the side walls of the feeding channels, and the balance of the whole conveying pipeline can be damaged after the TPU raw materials are filled in the driving grooves, so that the conveying pipeline rotates, and the conveying pipeline after rotation can convey the TPU raw materials to the feeding hopper.

As a preferred technical scheme, the mounting assembly comprises a mounting ring, a baffle plate, a feeding port, a discharging port, a fixed spring, a mounting plate and a limiting baffle plate;

the utility model discloses a TPU feeding device, including a bearing, a mounting ring, feeding hopper, feeding port, mounting spring, mounting plate, feeding port, feeding spring, mounting plate, baffle, feeding channel, feeding hole, fixed spring, mounting plate, mounting ring installs in the bearing outside for fix the outer loop of bearing, the inside baffle that is provided with conveying pipeline one end laminating position department of mounting ring, the baffle is used for sheltering from feeding channel, has seted up the feeding mouth on the baffle in the installation component of being close to the feeding hopper, the feeding mouth is used for guaranteeing that the TPU raw materials can get into one of them feeding channel in the conveying pipeline inside, has seted up the discharge gate on the baffle in the installation component of being close to the feeding channel, the discharge gate is used for carrying out the fixed mounting of installing the conveying pipeline in advance when utilizing the installation component to install the conveying pipeline, then can realize through fixed spring's deformability, make the conveying pipeline other end volume fixed mounting, the mounting plate is close to feeding mouth and discharge gate position department and is provided with limit baffle, limit baffle is used for closing the clearance between baffle and the TPU raw materials gets into the clearance between baffle and the mounting plate.

As a preferred technical scheme, the shape of feed passageway and feeding mouth and discharge gate is the same, avoids feeding mouth and discharge gate to cause to block the normal transported substance material of feed passageway, the feeding mouth is located the conveying pipeline one end top that the slope set up, the discharge gate is located the conveying pipeline other end bottom that the slope set up for only when the conveying pipeline takes place to rotate, just can accomplish the transport of TPU raw materials, make the indirect transport that can realize the TPU raw materials, avoid piling up too much raw materials in the feeder hopper and lead to the feeder hopper to block up and influence normal pay-off.

As a preferred technical scheme, the feeding hopper comprises a fixed ring and a buffer plate;

the feeding hopper inboard is provided with solid fixed ring, gu articulated on the fixed ring install a plurality of be fan-shaped setting slowly flow the board, install reset spring between the hinge point of slowly flowing board bottom and the feeding hopper lateral wall for when adding the TPU raw materials in the feeding hopper, the TPU raw materials is also through slowly adding in the feeding hopper of slow flow board.

As a preferred technical scheme, the flow buffering plates are fan-shaped, the feeding of the feeding hopper is buffered by a plurality of circular flow buffering plates, and the blockage of the feeding hopper caused by directly pouring TPU raw materials into the feeding hopper is avoided.

As a preferred technical scheme, the cooling roller comprises a central roller, an outer roller and a cooling chamber;

the inside central roller that is provided with of chill roll, the central roller outside is provided with outer roller, form the cooling chamber between central roller and the outer roller, can cool down outer roller through the cooling chamber for extrusion moulding's TPU film can realize rapid cooling and stereotype, conveniently carries out the roll-up to extrusion moulding's TPU film.

As a preferred technical solution, the cooling chamber is filled with a circulating cooling liquid, and the cooling liquid circulates through the pump body, so that the cooling chamber can be cooled by the cooling liquid, and heat is discharged in a circulating manner.

As preferred technical scheme, be provided with a plurality of fixed slot on the center roll, fixed slot internal rotation installs the cooling board, the cooling board can carry the low temperature of coolant liquid to the top of cooling chamber, realizes the cooling to the TPU film of extruding, outer roller inner wall is provided with a plurality of collision board, because the cooling board rotates to install in the fixed slot, when the cooling board is rotatory to the topmost of cooling chamber, the cooling board can take place to rotate under the action of gravity, at this moment, bump between collision board and the cooling board, the adhesion takes place for the outer wall of TPU film and the outer roller of having avoided extruding, and the setting of cooling board is held two birds with one stone.

As a preferable technical scheme, the liquid storage protrusions are arranged on two sides of the fixed groove on the outer wall of the central roller, and the liquid storage protrusions are arranged, so that when the central roller rotates, the cooling liquid at the bottom of the cooling cavity can be carried to the top of the cooling cavity, the cooling liquid can better cool the TPU film outside the outer roller, and along with the rotation of the central roller, the cooling liquid stored in the liquid storage protrusions at the top end can fall, at the moment, the flowability of the cooling liquid in the cooling cavity is increased, and the cooling effect is improved.

Compared with the prior art, the invention has the beneficial effects that:

1. the feeding assembly is arranged, the TPU raw materials in the feeding hopper can be indirectly conveyed into the feeding hopper through the feeding assembly, so that the TPU raw materials in the feeding hopper are always kept in a certain amount, the feeding hopper is prevented from being blocked or the discharging of the feeding hopper is discontinuous, the automatic feeding can be realized, and the feeding assembly can be replaced according to actual conditions to adjust the indirect feeding speed.

2. The feeding device is provided with the mounting assembly, so that the dismounting and mounting of the feeding assembly can be rapidly completed, different feeding assemblies can be replaced according to the actual feeding speed, the driving grooves of different feeding assemblies are arranged at different positions, and the closer the positions of the driving grooves are to the feeding hopper, the more the feeding amount is in each time.

3. The cooling roller is arranged, and the cooling plate can collide with the collision plate at the topmost end through the design of the cooling plate and the collision plate, so that the TPU film is cooled, and meanwhile, the TPU film is prevented from being adhered to the cooling roller, and the TPU film can be wound well.

Drawings

FIG. 1 is a schematic structural diagram of an extrusion device for automatic feeding type TPU production and processing of the invention;

FIG. 2 is a schematic structural diagram of a feeding assembly of an extrusion device for automatic feeding type TPU production and processing of the present invention;

FIG. 3 is a schematic structural diagram of a cross-sectional view of a feeding assembly of an extrusion device for automatic feeding type TPU production and processing of the present invention;

FIG. 4 is a schematic view of the mounting structure of the bearing of the extrusion device for automatic feeding type TPU production and processing of the present invention;

FIG. 5 is a schematic structural diagram of a conveying pipe of an extrusion device for automatic feeding type TPU production and processing of the present invention;

FIG. 6 is an axial view of a feed pipe of an extrusion device for automatic feeding type TPU production and processing of the present invention;

FIG. 7 is a schematic structural view of the area A in FIG. 3 of an extrusion device for automatic feeding type TPU production and processing of the present invention;

FIG. 8 is a schematic structural diagram of a cooling roller of an extrusion device for automatic feeding type TPU production and processing of the invention;

FIG. 9 is a schematic structural diagram of the interior of a cooling roller of an extrusion device for automatic feeding type TPU production and processing.

Reference numbers in the figures: 1. a work table; 2. a screw extruder; 3. an extrusion head; 4. a cooling chamber; 5. a guide roller;

6. a cooling roll; 601. a center roller; 602. an outer roller; 603. a cooling chamber; 604. fixing grooves; 605. a cooling plate; 606. a collision plate; 607. a liquid storage protrusion;

7. a feed hopper; 8. a support table;

9. a feeding hopper; 901. a fixing ring; 902. a buffer plate;

10. a feeding assembly; 101. a delivery pipe; 102. a partition plate; 103. a feeding channel; 104. a driving groove; 105. a bearing; 106. mounting the component; 1061. a mounting ring; 1062. a baffle plate; 1063. a feeding port; 1064. a discharge port; 1065. fixing the spring; 1066. mounting a plate; 1067. and a limiting baffle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in figures 1-9, the invention provides the following technical proposal, an extrusion device for automatic feeding type TPU production and processing, the extruding device comprises a workbench 1 and a screw extruder 2, the screw extruder 2 is arranged on the workbench 1, an extruding head 3 is arranged at one end of the screw extruder 2, a cooling chamber 4 is arranged in the workbench 1, the cooling chamber 4 is used for cooling the extruded TPU film, so that the extruded TPU film can be rapidly molded and rolled up, the occupied area in the TPU processing process is reduced, a guide roller 5 is arranged below the extrusion head 3, the guide roller 5 is used for guiding the advancing direction of the extruded TPU film, a cooling roller 6 is arranged in the cooling chamber 4, the cooling roller 6 is used for cooling the extruded TPU film, meanwhile, the TPU film is prevented from being adhered to the cooling roller 6, the TPU film is conveniently rolled up in the follow-up process, a feed hopper 7 is arranged at one end of the screw extruder 2, which is far away from the extrusion head 3, the feed hopper 7 is used for feeding TPU raw materials into the screw extruder 2 for processing, a support table 8 is arranged at one end, which is close to the feed hopper 7, above the workbench 1, a feed hopper 9 is arranged above the support table 8, the feed hopper 9 is used for realizing automatic feeding of the feed hopper 7, so that the feeding hopper 7 is kept at a constant feeding speed, while clogging of the feeding hopper 7 is avoided, the discontinuity of the thin film extruded by the screw extruder 2 is avoided, the bottom end of the feeding hopper 9 is connected with the top of the feeding hopper 7 through the feeding component 10, the feeding component 10 is used for discontinuously conveying the TPU raw material in the feeding hopper 9 to the feeding hopper 7, a certain amount of TPU raw materials are always kept in the feeding hopper 7, so that the feeding hopper 7 cannot be blocked, the condition of material breakage cannot occur, and the extrusion continuity of the TPU film is ensured.

The feeding assembly 10 comprises a material conveying pipe 101, a bearing 105 and a mounting assembly 106;

bearings 105 are mounted at two ends of the conveying pipe 101, the bearings 105 are used for keeping the conveying pipe 101 to normally rotate so as to realize indirect feeding, two ends of the conveying pipe 101 are mounted at the bottom end of the feeding hopper 9 and the top of the feeding hopper 7 through mounting components 106, the conveying pipe 101 is obliquely arranged, and the conveying pipe 101 is used for conveying TPU raw materials in the feeding hopper 9 to the feeding hopper 7 so as to realize automatic feeding;

the inside of conveying pipeline 101 is separated into a plurality of feed passageway 103 through baffle 102, TPU raw materials in the feeding hopper 9 passes through feed passageway 103 and gets into in feeder hopper 7, drive recess 104 has been seted up to feed passageway 103 near feeding hopper 9 one end, drive recess 104 is the rotatory key that realizes the pay-off of conveying pipeline 101, drive recess 104 is seted up in the lateral wall of feed passageway 103, because after drive recess 104 inside packing TPU raw materials, can destroy the balance of whole conveying pipeline 101, make conveying pipeline 101 take place to rotate, conveying pipeline 101 after the rotation can carry the TPU raw materials to feeder hopper 7.

The mounting assembly 106 comprises a mounting ring 1061, a baffle 1062, a feeding port 1063, a discharge port 1064, a fixing spring 1065, a mounting plate 1066 and a limit baffle 1067;

the mounting ring 1061 is mounted outside the bearing 105 and is configured to fix an outer ring of the bearing 105, a baffle 1062 is disposed at a position where an inner portion of the mounting ring 1061 is attached to one end of the feed delivery pipe 101, the baffle 1062 is configured to shield the feeding channel 103, a feeding port 1063 is formed in the baffle 1062 of the mounting assembly 106 close to the feeding hopper 9, the feeding port 1063 is configured to ensure that a TPU raw material can enter one feeding channel 103 of the feed delivery pipe 101, a discharge port 1064 is formed in the baffle 1062 of the mounting assembly 106 close to the feeding hopper 7, the discharge port 1064 is configured to convey the TPU raw material in one feeding channel 103 of the feed delivery pipe 101 to the feeding hopper 7, a fixing spring 1065 is disposed outside the baffle 1062, a mounting plate 1066 is disposed outside the fixing spring 1065, the fixing spring 1065 makes the mounting plate 1066 have a certain displacement space, when the mounting plate 101 is mounted by using the mounting assembly 106, one end of the feed delivery pipe 101 may be mounted first, then, the fixing capability of the fixing spring 1065 is achieved, a gap between the other end of the feeding pipe 101 is fixed to the mounting plate 1066, a gap between the mounting plate 1063 and the baffle 1062 and a position where the baffle 1064 is close to the baffle 1062, and a gap between the baffle 1062, and the baffle 1066 is disposed, and a gap between the baffle 1062 is prevented from entering the baffle 1062.

Feed channel 103 is the same with feeding port 1063 and discharge gate 1064's shape, avoid feeding port 1063 and discharge gate 1064 to cause the normal transported substance material of feed channel 103 to block, feeding port 1063 is located the conveying pipeline 101 one end top that the slope set up, discharge gate 1064 is located the conveying pipeline 101 other end bottom that the slope set up, only when conveying pipeline 101 takes place to rotate, just can accomplish the transport of TPU raw materials, make the indirect transport of TPU raw materials can be realized, it leads to feeder hopper 7 to block up and influences normal pay-off to avoid piling up too much raw materials in feeder hopper 7.

The feeding hopper 9 comprises a fixed ring 901 and a flow baffle 902;

the fixing ring 901 is arranged on the inner side of the feeding hopper 9, the fan-shaped baffles 902 are hinged to the fixing ring 901, and the return spring is arranged between the hinged point at the bottom of the baffle 902 and the side wall of the feeding hopper 9, so that when TPU raw materials are added into the feeding hopper 9, the TPU raw materials are slowly added into the feeding hopper 9 through the baffles 902.

The flow slowing plate 902 is fan-shaped, and the feeding of the feeding hopper 9 is buffered by the circle formed by the flow slowing plates 902, so that the blockage of the feeding hopper 9 caused by directly pouring TPU raw materials into the feeding hopper 9 is avoided.

The cooling roller 6 includes a center roller 601, an outer roller 602, and a cooling chamber 603;

the inside central roller 601 that is provided with of chill roll 6, the central roller 601 outside is provided with outer roller 602, forms cooling chamber 603 between central roller 601 and the outer roller 602, can cool down outer roller 602 through cooling chamber 603 for extrusion moulding's TPU film can realize rapid cooling and stereotype, conveniently carries out the roll-up to extrusion moulding's TPU film.

The inside of cooling chamber 603 is filled with the recirculated coolant liquid, and the coolant liquid realizes the circulation through the pump body for can utilize the coolant liquid to cool down cooling chamber 603, discharge the heat with the mode of circulation.

Be provided with a plurality of fixed slot 604 on the central roll 601, fixed slot 604 internal rotation installs cooling plate 605, cooling plate 605 can carry the low temperature of coolant liquid to the top of cooling chamber 603, the realization is to the cooling of extruded TPU film, outer roller 602 inner wall is provided with a plurality of collision board 606, because cooling plate 605 rotates to install in fixed slot 604, when cooling plate 605 rotates to the topmost of cooling chamber 603, cooling plate 605 can rotate under the action of gravity, at this moment, collide between collision board 606 and the cooling plate 605, the adhesion takes place for the outer wall of the TPU film of having avoided extruding and outer roller 602, cooling plate 605 sets up one and kills two birds with one stone.

The outer wall of the central roller 601 is located on two sides of the fixing groove 604 and provided with the liquid storage protrusions 607, the liquid storage protrusions 607 are arranged, when the central roller 601 rotates, the cooling liquid at the bottom of the cooling cavity 603 can be carried to the top of the cooling cavity 603, the cooling liquid can better cool the TPU film outside the outer roller 602, the cooling liquid stored in the liquid storage protrusions 607 at the top end can be scattered along with the rotation of the central roller 601, at the moment, the flowability of the cooling liquid in the cooling cavity 603 is increased, and the cooling effect is improved.

The working principle of the invention is as follows: when the feeding device is used, firstly, the screw extruder 2 is opened, TPU raw materials are added into the feeding hopper 9, the slow flow plate 902 rotates along with the increasing of the TPU raw materials, the TPU raw materials enter the feeding hopper 9, the TPU raw materials entering the feeding hopper 9 enter the feeding channel 103 through the feeding port 1063, along with the increasing of the TPU raw materials inside the feeding channel 103, when the TPU raw materials are also accumulated inside the driving groove 104, the balance of the whole feeding pipe 101 is broken, at the moment, the feeding pipe 101 rotates until the feeding channel 103 filled with the TPU raw materials rotates to the lowest end, the whole feeding pipe 101 returns to balance again, at the moment, the TPU raw materials in the feeding channel 103 at the lowest end are discharged through the discharging port 1064, so that the TPU raw materials enter the feeding hopper 7, until the driving groove 104 in the feeding channel 103 communicated with the feeding port 1063 is filled with the TPU raw materials again, the whole feeding pipe 101 rotates again, and the reciprocating, the indirect feeding of the feeding hopper 7 is realized, the whole feeding process is completed automatically, no additional power source is needed, and the energy is saved and the environment is protected;

the TPU raw material entering the spiral extruder 2 through the feed hopper 7 is melted in the spiral extruder 2, the melted TPU raw material is extruded through the extrusion head 3 to form a TPU film, the extruded TPU film is guided to the position of the cooling roller 6 under the action of the guide roller 5, at the moment, the cooling chamber 603 in the cooling roller 6 is filled with cooling liquid, the cooling roller 6 is driven by a motor to rotate, at the moment, the liquid storage bulge 607 passing through the cooling liquid can carry part of the cooling liquid to rotate to the topmost end of the cooling chamber 603 under the action of the cooling plate 605, at the moment, the cooling liquid carried to the topmost end of the cooling chamber 603 can realize rapid cooling of the TPU film, and when the cooling plate rotates to the topmost point 605, the cooling liquid can rotate under the action of gravity and collide with the collision plate 606 on the inner wall of the outer roller 602, at the moment, the adhesion between the TPU film and the outer wall of the outer roller 602 can be effectively prevented, so that the cooling and forming effects of the TPU film are better, and the formed and cooled TPU film can be wound up through the take-up roller;

when the extrusion speed of the screw extruder 2 changes, the feeding speed needs to be adjusted, at the moment, the conveying pipe 101 is held by hand and pressed towards one end, at the moment, the fixed spring 1065 at one end is extruded and deformed, and the mounting ring 1061 at the other end is separated from the feeding hopper 9 or the feeding hopper 7, so that the disassembly of the feeding assembly 10 can be completed;

when the feeding assembly 10 with the driving groove 104 arranged at different positions needs to be replaced, one end of the feeding pipe 101 is installed by the installation ring 1061, after one end is aligned, the feeding pipe 101 is pressed, so that the fixing spring 1065 at the installed end deforms to provide a space for installing the other end of the feeding pipe 101, and at the moment, the other end of the feeding pipe 101 is released from the feeding hopper 9 or the feeding hopper 7, so that the fixing of the feeding pipe 101 can be completed under the action of the fixing spring 1065, and the replacement of the feeding assembly 10 is completed;

and, under the effect of limit baffle 1067, can effectually prevent that the TPU raw materials from getting into the gap between baffle 1062 and mounting plate 1066 for the automatic feed of TPU raw materials can be accomplished smoothly.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an automatic feed formula TPU production and processing is with extrusion device which characterized in that: this extrusion device includes workstation (1) and screw extruder (2), install screw extruder (2) on workstation (1), screw extruder (2) one end is installed and is extruded head (3), cooling chamber (4) have been seted up to workstation (1) inside, it is provided with guide roller (5) to extrude head (3) below, cooling chamber (4) internally mounted has chill roll (6), screw extruder (2) are kept away from and are extruded head (3) one end and be provided with feeder hopper (7), workstation (1) top is close to feeder hopper (7) one end and is provided with brace table (8), brace table (8) top is provided with feeding hopper (9), feeding hopper (9) bottom is passed through feed subassembly (10) with feeder hopper (7) top and is connected.

2. The extrusion device for automatic feeding type TPU production and processing as claimed in claim 1, wherein: the feeding assembly (10) comprises a material conveying pipe (101), a bearing (105) and a mounting assembly (106);

bearings (105) are mounted at two ends of the conveying pipe (101), two ends of the conveying pipe (101) are mounted at the bottom end of the feeding hopper (9) and the top of the feeding hopper (7) through mounting assemblies (106), and the conveying pipe (101) is obliquely arranged;

the feeding device is characterized in that the inside of the conveying pipe (101) is divided into a plurality of feeding channels (103) through partition plates (102), one ends of the feeding channels (103) close to the feeding hopper (9) are provided with driving grooves (104), and the driving grooves (104) are formed in the side walls of the feeding channels (103).

3. The extrusion device for automatic feeding type TPU production and processing as claimed in claim 2, wherein: the mounting assembly (106) comprises a mounting ring (1061), a baffle plate (1062), a feeding port (1063), a discharge port (1064), a fixed spring (1065), a mounting plate (1066) and a limiting baffle plate (1067);

install in bearing (105) outside collar (1061), collar (1061) inside is provided with baffle (1062) with conveying pipeline (101) one end laminating position department, has seted up feed inlet (1063) on baffle (1062) in installation component (106) of being close to feeding hopper (9), has seted up discharge gate (1064) on baffle (1062) in installation component (106) of being close to feeder hopper (7), the baffle (1062) outside is provided with fixed spring (1065), fixed spring (1065) outside is provided with mounting panel (1066), mounting panel (1066) are close to feed inlet (1063) and discharge gate (1064) position department and are provided with limit baffle (1067).

4. The extrusion device for automatic feeding type TPU production and processing as claimed in claim 3, wherein: the feeding channel (103) is the same as the feeding port (1063) and the discharge port (1064) in shape, the feeding port (1063) is positioned at the top of one end of the obliquely arranged material conveying pipe (101), and the discharge port (1064) is positioned at the bottom of the other end of the obliquely arranged material conveying pipe (101).

5. The extrusion device for automatic feeding type TPU production and processing as claimed in claim 1, wherein: the feeding hopper (9) comprises a fixed ring (901) and a buffer plate (902);

the fan-shaped feeding device is characterized in that a fixing ring (901) is arranged on the inner side of the feeding hopper (9), a plurality of fan-shaped flow slowing plates (902) are hinged to the fixing ring (901), and a return spring is arranged between the hinged point of the bottoms of the flow slowing plates (902) and the side wall of the feeding hopper (9).

6. The extrusion device for automatic feeding type TPU production and processing as claimed in claim 5, wherein: the flow buffering plates (902) are fan-shaped, and the feeding hopper (9) is buffered by a plurality of circular flow buffering plates (902).

7. The extrusion device for automatic feeding type TPU production and processing as claimed in claim 1, wherein: the cooling roller (6) comprises a central roller (601), an outer roller (602) and a cooling chamber (603);

a central roller (601) is arranged inside the cooling roller (6), an outer roller (602) is arranged on the outer side of the central roller (601), and a cooling cavity (603) is formed between the central roller (601) and the outer roller (602).

8. The extrusion device for automatic feeding type TPU production and processing as claimed in claim 7, wherein: the cooling chamber (603) is filled with circulating cooling liquid, and the cooling liquid is circulated through the pump body.

9. The extrusion device for automatic feeding type TPU production and processing as claimed in claim 8, wherein: the central roller (601) is provided with a plurality of fixing grooves (604), the inside of each fixing groove (604) is rotatably provided with a cooling plate (605), and the inner wall of the outer roller (602) is provided with a plurality of collision plates (606).

10. The extrusion device for automatic feeding type TPU production and processing as claimed in claim 9, wherein: and liquid storage bulges (607) are arranged on the outer wall of the central roller (601) and positioned at two sides of the fixing groove (604).