CN220517499U - Multilayer coextrusion equipment capable of avoiding material adhesion - Google Patents

Abstract

The utility model relates to the technical field of multilayer co-extrusion equipment, in particular to multilayer co-extrusion equipment for avoiding material adhesion, which comprises an equipment box, wherein a mixing and stirring mechanism is arranged in the equipment box body, an anti-adhesion mechanism is arranged on the surface of a pushing plate, and a convenient switching mechanism is arranged on the surfaces of an extrusion pipe, a first extrusion head, a second extrusion head, a third extrusion head and a fourth extrusion head. The utility model not only can prevent the situation that materials are excessively piled in the material box body to cause piling bridging, greatly improves the smooth degree of work, avoids the problem that the materials are adhered to the inner cavity wall of the extrusion box when the multilayer coextrusion equipment is used and the scaling of the inner cavity wall of the extrusion box is avoided for a long time, but also ensures the accuracy of the size of the materials extruded by the multilayer coextrusion equipment so as to adapt to extrusion of different sizes, thereby meeting the production requirements of extrusion strips of different sizes, and being more convenient and convenient to operate.

Description

Multilayer coextrusion equipment capable of avoiding material adhesion

Technical Field

The utility model relates to the technical field of multilayer coextrusion equipment, in particular to multilayer coextrusion equipment capable of avoiding material adhesion.

Background

The extruder is an important device of a high polymer material processing machine, in the extrusion process, plastic filled in a hopper enters a machine barrel by means of gravity or a feeding screw, continuously advances under the thrust action of a rotating screw, and is converted into viscous materials in a molten state from a solid state under the stirring and extrusion actions of the screw, the external heat transfer action of the machine barrel and the shearing friction action between the plastic and the device, and the plasticized plastic is pushed into a machine head for extrusion molding under the action of the screw.

Firstly, the multi-layer co-extrusion equipment needs to mix and stir materials in a material box when in use, and the existing multi-layer co-extrusion equipment needs to mix and stir the materials in the material box independently when in use, so that the multi-layer co-extrusion equipment can prevent the situation that the materials are stacked too much in the material box body to form stacking bridging, and the smooth degree of work is greatly reduced; secondly, materials are easy to adhere to the inner wall of the extrusion box when the multilayer coextrusion equipment is used, the existing multilayer coextrusion equipment is generally inconvenient to scrape materials adhered to the inner wall of the extrusion box, the materials are easy to adhere to the inner cavity wall of the extrusion box when the multilayer coextrusion equipment is used, and the problem that scaling is easy to occur to the inner cavity wall of the extrusion box is caused in a long term; thirdly, according to different requirements of users, the requirements on the size and the diameter of the material extrusion strips are also different, the existing multilayer coextrusion equipment can only extrude extrusion strips with one diameter when in use, and the extrusion heads with different diameters are inconvenient to switch, so that the accuracy of the size of the material extruded by the multilayer coextrusion equipment cannot be ensured, the production requirements of the extrusion strips with different sizes are not met, and the operation is inconvenient and convenient.

Disclosure of Invention

The utility model aims to provide a multilayer coextrusion device for avoiding material adhesion, which aims to solve the problems that the multilayer coextrusion device in the prior art needs to independently mix and stir materials in a material box when in use, is inconvenient to scrape the materials adhered to the inner wall of an extrusion box, can only extrude extrusion strips with one diameter, and is inconvenient to switch extrusion heads with different diameters.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a multilayer coextrusion equipment for avoiding material adhesion, includes the equipment box, the surface mounting of equipment box has control button, the fixed case is all installed on the surface of equipment box both sides, the internally mounted of fixed case has the workbin body, the feed inlet has been seted up to the surface of fixed case, and the feed inlet is linked together with the inside of workbin body, the extrusion case is all installed to the inside of equipment box, the extrusion case is linked together with the inside of workbin body, the inside of extrusion case is provided with the pushing plate, electric putter is all installed on the surface of equipment box top position department, the below of equipment box is provided with the extrusion pipe, the surface mounting of extrusion pipe top position department has the conveyer pipe, the top of conveyer pipe runs through equipment box and extrusion case respectively and extends to the inside of extrusion case, the other end of conveyer pipe runs through the pushing plate and extends to the inside of pushing plate, the surface of the extrusion pipe is provided with a first extrusion head, the first extrusion head and the surface of the pushing plate are in mutual rotation fit, the surface of the extrusion pipe is provided with a third extrusion head, the surface of the third extrusion head and the surface of the extrusion pipe are in mutual rotation fit, the surface of the extrusion pipe is provided with a second extrusion head, the second extrusion head and the surface of the extrusion pipe are in mutual rotation fit, the surface of the extrusion pipe is provided with a fourth extrusion head, the surface of the fourth extrusion head and the surface of the extrusion pipe are in mutual rotation fit, the first extrusion head, the second extrusion head, the third extrusion head and the fourth extrusion head are respectively positioned below the equipment box, the first extrusion head, the second extrusion head, the third extrusion head and the fourth extrusion head are respectively in circumference symmetric distribution along the extrusion pipe, the inside of the box body is provided with a mixing and stirring mechanism, the mixing stirring mechanism consists of a stirrer, a driving motor, a rotating shaft and a stirring rod, wherein an anti-adhesion mechanism is arranged on the surface of the pushing plate and consists of an elastic component, an elastic column and an anti-adhesion component, and a convenient switching mechanism is arranged on the surfaces of the extrusion pipe, the extrusion head I, the extrusion head II, the extrusion head III and the extrusion head IV and comprises a fastening bolt, a fixing screw hole and a convenient switching group.

Preferably, the input end of the electric push rod is electrically connected with the output end of the control button, the output end of the electric push rod sequentially penetrates through the equipment box, the extrusion box and the surface of the top position of the pushing plate to be fixed, heating wires for heating the inside of the extrusion box are arranged on the surface of the extrusion box, and a temperature monitor is arranged on the inner wall of the equipment box.

Preferably, the anti-adhesion component is arranged on the surface of the pushing plate, the anti-adhesion component is composed of a connecting frame and a scraping plate, the connecting frame is arranged on the surface of the pushing plate, the scraping plate used for scraping the sticky material on the inner wall of the extrusion box is arranged inside the connecting frame, the surface of the scraping plate is in contact with the inner wall of the extrusion box, and the scraping plate is in sliding fit with the inner wall of the connecting frame.

Preferably, equidistant elastic columns are installed on the inner walls of the connecting frames, one ends of the elastic columns are fixed with the surface of the scraping plate, equidistant elastic components are installed on the inner walls of the connecting frames, and one ends of the elastic components are fixed with the surface of the scraping plate.

Preferably, a driving motor is arranged on the surface of the top of the feed box body, the input end of the driving motor is electrically connected with the output end of the control button, a stirrer is arranged in the feed box body, and the stirrer is in mutual running fit with the inner wall of the feed box body.

Preferably, the output end of the driving motor is provided with a rotating shaft through a coupler, one end of the rotating shaft penetrates through the feed box body and is fixed with the surface of the stirrer, and the surface of the stirrer is provided with equidistant stirring rods for stirring materials.

Preferably, the convenient switching group is arranged on the surface of the extrusion pipe, the first extrusion head, the second extrusion head, the third extrusion head and the fourth extrusion head, the convenient switching group is composed of a positioning clamping groove and a positioning clamping block, fixed screw holes are formed in the surface of the extrusion pipe, fastening bolts are connected with the surfaces of the first extrusion head, the second extrusion head, the third extrusion head and the fourth extrusion head in a threaded manner, and one ends of the fastening bolts penetrate through the first extrusion head, the second extrusion head, the third extrusion head and the fourth extrusion head respectively and are fastened with the inner wall threads of the fixed screw holes.

Preferably, the fastening bolt is in mutual running fit with the surfaces of the first extrusion head, the second extrusion head, the third extrusion head and the fourth extrusion head, the surfaces of the first extrusion head, the second extrusion head, the third extrusion head and the fourth extrusion head are all provided with positioning clamping blocks, the surfaces of the extrusion pipes are all provided with positioning clamping grooves, and the positioning clamping grooves are in mutual clamping fit with the surfaces of the positioning clamping blocks.

Compared with the prior art, the utility model has the beneficial effects that: the multilayer co-extrusion equipment capable of avoiding material adhesion not only enables the multilayer co-extrusion equipment to prevent the situation that materials are excessively piled in a material box body to be piled and bridged, so that smooth degree of work is greatly improved, the problem that the materials are adhered to the inner cavity wall of an extrusion box when the multilayer co-extrusion equipment is used for a long time to form scale on the inner cavity wall of the extrusion box is avoided, but also ensures the accuracy of the size of the materials extruded by the multilayer co-extrusion equipment so as to adapt to extrusion of different sizes, thereby meeting production requirements of extrusion strips of different sizes, and being more convenient and convenient to operate;

through being provided with mixing stirring mechanism, control the driving motor work on workbin body surface, drive the pivot rotation under driving motor's effect, when the pivot rotated, the inside agitator of workbin body was driven to the pivot rotation, the agitator drove the puddler and rotated in the inside of workbin body, mix the material of workbin body inside under the combined action of agitator and puddler, make the material more even when unloading, the unloading efficiency has been improved, the function of multilayer coextrusion equipment to the material mixing stirring of workbin body inside has been realized, thereby make multilayer coextrusion equipment can prevent that the material from piling up too much and taking place to pile up the condition of bridging in the workbin body, the smooth degree of work has been improved greatly;

through being provided with anti-adhesion mechanism, when the flitch moves in extruding the inside of case, the flitch drives the connecting frame and moves, drive the flitch motion under the elasticity effect of connecting frame inside elastic component and elasticity post, guarantee to scrape the flitch and move all the time and contact with the inner wall of extruding the case, scrape the material of extruding the incasement wall adhesion under the effect of flitch, simultaneously, the flitch can not cause the influence to the material extrusion, realized multilayer coextrusion equipment to extruding the function of preventing adhesion material of incasement wall, thereby material adhesion is in extruding the inner chamber wall of case when avoiding multilayer coextrusion equipment to use, avoid long-term the problem that the scaling of extrusion case inner chamber wall appears like this;

through being provided with convenient switching mechanism, the user selects as required to rotate extrusion pipe surface's extrusion head, no. two extrusion heads, no. three extrusion heads or No. four extrusion heads, make extrusion head, no. two extrusion heads, no. three extrusion heads or No. four extrusion heads rotate to extrusion pipe's surface, when extrusion head, no. two extrusion heads, no. three extrusion heads or No. four extrusion heads rotate, extrusion head, no. two extrusion heads, no. three extrusion heads or No. four extrusion heads take the inside that the location draw-in groove was kept away from to the head, afterwards, when extrusion head, no. two extrusion heads, no. three extrusion heads or No. four extrusion heads move to the surface phase with the extrusion pipe when laminating, the user rotates fastening bolt, with No. one extrusion head, no. two extrusion heads or No. four extrusion heads are fixed at extrusion pipe's surface under the screw-thread fit of fastening bolt, the material of extrusion is according to the different extrusion diameters of extrusion head, no. two extrusion heads, no. three extrusion heads or No. four extrusion heads surface aperture, thereby the extrusion equipment of extrusion head diameter is different and extrusion strip different, thereby the convenient size of extrusion device has been realized, the multilayer extrusion device that has different size is convenient to change over, thereby the extrusion device is convenient to have realized, the multilayer size is convenient to be met, and has the extrusion device of different size is convenient to be suitable for the extrusion device.

Drawings

FIG. 1 is a schematic three-dimensional perspective view of the present utility model;

FIG. 2 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 3 is an enlarged schematic view of the extrusion tube of the present utility model in a bottom cross-section;

FIG. 4 is an enlarged schematic view of the anti-sticking mechanism of FIG. 2 according to the present utility model;

FIG. 5 is an enlarged schematic view of the mixing and stirring mechanism of FIG. 2 according to the present utility model;

fig. 6 is an enlarged schematic view of a convenient switching mechanism according to the present utility model.

In the figure: 1. an equipment box; 101. a control button; 102. a fixed box; 103. an electric push rod; 104. a bin body; 105. a heating wire; 106. a temperature monitor; 107. extruding the box; 108. a delivery tube; 109. a pushing plate; 110. extruding a pipe; 111. a first extrusion head; 112. a second extrusion head; 113. a third extrusion head; 114. a fourth extrusion head; 2. an anti-sticking mechanism; 201. an elastic component; 202. an elastic column; 203. an anti-adhesion component; 2031. a connection frame; 2032. a scraping plate; 3. a mixing and stirring mechanism; 301. a stirrer; 302. a driving motor; 303. a rotating shaft; 304. a stirring rod; 4. the switching mechanism is convenient; 401. a fastening bolt; 402. fixing the screw holes; 403. the group is convenient to switch; 4031. positioning clamping grooves; 4032. and positioning the clamping block.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

The structure of the multilayer coextrusion equipment for avoiding material adhesion is shown in fig. 1 and 2, the multilayer coextrusion equipment comprises an equipment box 1, a control button 101 is arranged on the surface of the equipment box 1, LA series can be selected as the model of the control button 101, a fixed box 102 is arranged on the surface of two sides of the equipment box 1, a material box body 104 is arranged in the fixed box 102, a feeding port is arranged on the surface of the fixed box 102, the feeding port is communicated with the interior of the material box body 104, an extrusion box 107 is arranged in the equipment box 1, the extrusion box 107 is communicated with the interior of the material box body 104, a pushing plate 109 is arranged in the extrusion box 107, an electric push rod 103 is arranged on the surface of the top position of the equipment box 1, the model of the electric push rod 103 can be selected as DG series, the input end of the electric push rod 103 is electrically connected with the output end of the control button 101, the output end of the electric push rod 103 sequentially penetrates through the equipment box 1 and the extrusion box 107 and is fixed with the surface of the top position of the pushing plate 109, the surfaces of the extrusion box 107 are provided with heating wires 105 for heating the inside of the extrusion box 107, the inner wall of the equipment box 1 is provided with a temperature monitor 106, the lower part of the equipment box 1 is provided with an extrusion pipe 110, the surface of the top position of the extrusion pipe 110 is provided with a conveying pipe 108, the top end of the conveying pipe 108 penetrates through the equipment box 1 and the extrusion box 107 respectively and extends to the inside of the extrusion box 107, the other end of the conveying pipe 108 penetrates through the pushing plate 109 and extends to the inside of the pushing plate 109, the surface of the extrusion pipe 110 is provided with a first extrusion head 111 which is in mutual rotation fit with the surface of the pushing plate 109, the surface of the extrusion pipe 110 is provided with a third extrusion head 113, the surface of the third extrusion head 113 is in mutual rotation fit with the surface of the extrusion pipe 110, the surface of the extrusion pipe 110 is provided with a second extrusion head 112, the surface of extrusion head No. 112 and extrusion tube 110 mutually rotate and cooperate, the surface of extrusion tube 110 is provided with extrusion head No. 114, the surface of extrusion head No. 114 and the surface of extrusion tube 110 mutually rotate and cooperate, extrusion head No. 111, extrusion head No. 112, extrusion head No. 113 and extrusion head No. 114 are located the below of equipment box 1 respectively, extrusion head No. 111, extrusion head No. 112, extrusion head No. 113 and extrusion head No. 114 are circumference symmetric distribution along extrusion tube 110 respectively.

Further, as shown in fig. 2 and fig. 5, a mixing and stirring mechanism 3 is disposed in the bin body 104, the mixing and stirring mechanism 3 is composed of a stirrer 301, a driving motor 302, a rotating shaft 303 and a stirring rod 304, the driving motor 302 is mounted on the surface of the top of the bin body 104, the type of the driving motor 302 is selected from JO series, the input end of the driving motor 302 is electrically connected with the output end of the control button 101, the stirrer 301 is disposed in the bin body 104, the stirrer 301 is in mutual rotation fit with the inner wall of the bin body 104, the rotating shaft 303 is mounted at the output end of the driving motor 302 through a coupling, one end of the rotating shaft 303 penetrates through the bin body 104 and is fixed with the surface of the stirrer 301, and the stirring rod 304 which is used for stirring materials at equal intervals is mounted on the surface of the stirrer 301.

During implementation, the driving motor 302 on the surface of the material box body 104 is controlled to work, the rotating shaft 303 is driven to rotate under the action of the driving motor 302, when the rotating shaft 303 rotates, the rotating shaft 303 drives the stirrer 301 inside the material box body 104 to rotate, the stirrer 301 drives the stirring rod 304 to rotate inside the material box body 104, materials inside the material box body 104 are stirred and mixed under the combined action of the stirrer 301 and the stirring rod 304, so that the materials are more uniform during blanking, the blanking efficiency is improved, and the function of mixing and stirring the materials inside the material box body 104 by the multilayer co-extrusion equipment is realized.

Further, as shown in fig. 2 and 4, the surface of the pushing plate 109 is provided with an anti-adhesion mechanism 2, the anti-adhesion mechanism 2 is composed of an elastic component 201, an elastic column 202 and an anti-adhesion component 203, the anti-adhesion component 203 is arranged on the surface of the pushing plate 109, the anti-adhesion component 203 is composed of a connecting frame 2031 and a scraping plate 2032, the connecting frame 2031 is installed on the surface of the pushing plate 109, the scraping plate 2032 for scraping the material adhered to the inner wall of the extrusion box 107 is arranged inside the connecting frame 2031, the surface of the scraping plate 2032 is in contact with the inner wall of the extrusion box 107, the scraping plate 2032 and the inner wall of the connecting frame 2031 are in sliding fit with each other, equidistant elastic columns 202 are installed on the inner walls of the connecting frame 2031, one end of each elastic column 202 is fixed with the surface of the scraping plate 2032, equidistant elastic components 201 are installed on the inner wall of the connecting frame 2031, and one end of each elastic component 201 is fixed with the surface of the scraping plate 2032.

During implementation, the pushing plate 109 drives the connecting frame 2031 to move, drives the scraping plate 2032 to move under the elastic action of the elastic component 201 and the elastic column 202 in the connecting frame 2031, ensures that the scraping plate 2032 always moves to be in contact with the inner wall of the extrusion box 107, scrapes off materials adhered to the inner wall of the extrusion box 107 under the action of the scraping plate 2032, and meanwhile, the scraping plate 2032 cannot affect material extrusion so as to realize the function of preventing materials adhered to the inner wall of the extrusion box 107 by the multilayer co-extrusion equipment.

Further, as shown in fig. 3 and 6, the surface of the extrusion tube 110, the first extrusion head 111, the second extrusion head 112, the third extrusion head 113 and the fourth extrusion head 114 are all provided with a convenient switching mechanism 4, the inside of the convenient switching mechanism 4 comprises a fastening bolt 401, a fixing screw hole 402 and a convenient switching group 403, the convenient switching group 403 is arranged on the surface of the extrusion tube 110, the first extrusion head 111, the second extrusion head 112, the third extrusion head 113 and the fourth extrusion head 114, the convenient switching group 403 is composed of a positioning clamping groove 4031 and a positioning clamping block 4032, the surface of the extrusion tube 110 is provided with the fixing screw hole 402, the surfaces of the first extrusion head 111, the second extrusion head 112, the third extrusion head 113 and the fourth extrusion head 114 are all in threaded connection with the fastening bolt 401, one end of the fastening bolt 401 penetrates through the first extrusion head 111, the second extrusion head 112, the third extrusion head 113 and the fourth extrusion head 114 and is in threaded connection with the inner wall of the fixing screw hole 402, the fastening bolt 401 and the first extrusion head 111, the second extrusion head 112, the third extrusion head 113 and the fourth extrusion head 113 are in threaded connection with the surface of the positioning clamping block 4032, the surface of the first extrusion head 114 and the second extrusion head 114 are in threaded connection with the positioning clamping block 4032, and the surface of the first extrusion head 114 and the positioning block 4032 are in mutual positioning connection.

In implementation, the first extrusion head 111, the second extrusion head 112, the third extrusion head 113 or the fourth extrusion head 114 drives the positioning clamping block 4032 to be far away from the inside of the positioning clamping groove 4031, and then, when the first extrusion head 111, the second extrusion head 112, the third extrusion head 113 or the fourth extrusion head 114 moves to be attached to the surface of the extrusion pipe 110, a user rotates the fastening bolt 401, the first extrusion head 111, the second extrusion head 112, the third extrusion head 113 or the fourth extrusion head 114 is fixed on the surface of the extrusion pipe 110 under the threaded fit of the fastening bolt 401 and the fixing screw hole 402, and extruded materials extrude extrusion strips with different diameters according to the difference of the surface apertures of the first extrusion head 111, the second extrusion head 112, the third extrusion head 113 or the fourth extrusion head 114, so as to realize the function of conveniently switching the extrusion heads with different diameters of the multilayer co-extrusion equipment.

Working principle: when the multi-layer co-extrusion device is used, firstly, the device box 1 is placed at a designated position, a user introduces materials into the material box body 104 through the feeding hole on the surface of the fixed box 102, the materials enter the extrusion box 107, at the moment, the user operates the control button 101 to enable the control button 101 to control the driving motor 302 on the surface of the material box body 104 to work, the rotating shaft 303 is driven to rotate under the action of the driving motor 302, when the rotating shaft 303 rotates, the rotating shaft 303 drives the stirrer 301 in the material box body 104 to rotate, the stirrer 301 drives the stirring rod 304 to rotate in the material box body 104, the materials in the material box body 104 are stirred and mixed under the combined action of the stirrer 301 and the stirring rod 304, so that the material discharging efficiency is improved, the function of mixing and stirring the materials in the material box body 104 by the multi-layer co-extrusion device is realized, the multi-layer co-extrusion device can be prevented from accumulating too much in the material box body 104 to cause accumulation bridging, and the smoothness of work is greatly improved.

Subsequently, the user operates the control button 101, make the operation of the control button 101 control the electric putter 103, drive the inside motion of push plate 109 at extrusion case 107 under the effect of electric putter 103, the material of extrusion case 107 inside carries out the layering extrusion under the effect of push plate 109, at this moment, the material is easy to adhere at the inner wall of extrusion case 107, at this moment, when push plate 109 is in the inside motion of extrusion case 107, push plate 109 drives the connecting frame 2031 motion, drive under the elasticity effect of connecting frame 2031 inside elastic component 201 and elasticity post 202 and scrape the flitch 2032 motion, guarantee to scrape flitch 2032 all the time to contact with the inner wall of extrusion case 107, scrape down the material of flitch 2032 adhesion under the effect of extrusion case 107 inner wall, simultaneously, scrape flitch 2032 can not cause the influence to the material extrusion, in order to realize the function of multilayer coextrusion equipment anti-adhesion material to extrusion case 107 inner wall, thereby avoid the material adhesion to the inner chamber wall of extrusion case 107 when the use, avoid appearing the problem of extrusion case 107 inner chamber wall scale like this for a long time.

Then, the material is extruded into the conveying pipe 108, then enters the extrusion pipe 110 through the conveying pipe 108, and is extruded through the extrusion pipe 110, if a user needs extrusion strips with different sizes, at this time, the user selectively rotates the first extrusion head 111, the second extrusion head 112, the third extrusion head 113 or the fourth extrusion head 114 on the surface of the extrusion pipe 110 according to the needs, so that the first extrusion head 111, the second extrusion head 112, the third extrusion head 113 or the fourth extrusion head 114 rotates to the surface of the extrusion pipe 110, when the first extrusion head 111, the second extrusion head 112, the third extrusion head 113 or the fourth extrusion head 114 rotates, the first extrusion head 111, the second extrusion head 112, the third extrusion head 113 or the fourth extrusion head 114 drives the positioning clamping block 4032 to be far away from the inside of the positioning clamping groove 4031, and then, when the first extrusion head 111, the second extrusion head 112, the third extrusion head 113 or the fourth extrusion head 114 move to be attached to the surface of the extrusion pipe 110, a user rotates the fastening bolt 401, the first extrusion head 111, the second extrusion head 112, the third extrusion head 113 or the fourth extrusion head 114 are fixed on the surface of the extrusion pipe 110 under the threaded fit of the fastening bolt 401 and the fixing screw hole 402, extruded materials extrude extrusion strips with different diameters according to the difference of the surface apertures of the first extrusion head 111, the second extrusion head 112, the third extrusion head 113 or the fourth extrusion head 114, so that the function of conveniently switching the extrusion heads with different diameters of the multilayer coextrusion device is realized, the accuracy of the material sizes extruded by the multilayer coextrusion device is ensured, the extrusion with different sizes is convenient and convenient to operate, the production needs of the extrusion strips with different sizes are met, and finally the use work of the multilayer coextrusion device is finished.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 (8)

1. Multilayer coextrusion equipment for avoiding material adhesion, comprising an equipment box (1), characterized in that: the surface mounting of equipment box (1) has control button (101), fixed case (102) are all installed on the surface of equipment box (1) both sides, the internally mounted of fixed case (102) has workbin body (104), the feed inlet has been seted up on the surface of fixed case (102), and the inside of feed inlet and workbin body (104) is linked together, extrusion case (107) are all installed to the inside of equipment box (1), extrusion case (107) are linked together with the inside of workbin body (104), the inside of extrusion case (107) is provided with push plate (109), electric putter (103) are all installed on the surface of equipment box (1) top position department, the below of equipment box (1) is provided with extrusion tube (110), the surface mounting of extrusion tube (110) top position department has conveyer pipe (108), the top of conveyer pipe (108) runs through equipment box (1) and extrusion case (107) respectively and extends to the inside of extrusion case (107), the other end of conveyer pipe (108) push plate (109) is linked together with the inside of workbin body (104), the surface of extrusion head (109) is provided with one and one extrusion head (109) is provided with extrusion head (111) and one extrusion head (109) each other, one extrusion head (111) is provided with a rotation number (111), the surface of No. three extrusion head (113) and the surface of extrusion tube (110) mutually rotate the cooperation, the surface of extrusion tube (110) is provided with No. two extrusion head (112), no. two extrusion head (112) and the surface of extrusion tube (110) mutually rotate the cooperation, the surface of extrusion tube (110) is provided with No. four extrusion head (114), the surface of No. four extrusion head (114) and the surface of extrusion tube (110) mutually rotate the cooperation, no. one extrusion head (111), no. two extrusion head (112), no. three extrusion head (113) and No. four extrusion head (114) are located the below of equipment box (1) respectively, no. one extrusion head (111), no. two extrusion head (112), no. three extrusion head (113) and No. four extrusion head (114) are circumference symmetric distribution respectively along extrusion tube (110), the inside of workbin body (104) is provided with mixing stirring mechanism (3), mixing mechanism (3) are by agitator (301), driving motor (302), pivot (303) and stirring rod (203) are formed by extrusion mechanism (111), extrusion mechanism (201) are formed by extrusion assembly (203) and are adhered to one surface (203) and are adhered to one another, and are adhered to one component (201) and are formed by an anti-adhesive component (203, and an anti-adhesive component (201 is formed by extrusion assembly (203) The surface that head (112), no. three extrude head (113) and No. four extrude head (114) all is provided with convenient switching mechanism (4), the inside of convenient switching mechanism (4) includes fastening bolt (401), fixed screw (402) and convenient switching group (403).

2. A multi-layer coextrusion apparatus according to claim 1, wherein adhesion of materials is avoided: the input of electric putter (103) and the output electric connection of control button (101), the output of electric putter (103) runs through equipment box (1) in proper order and extrudes case (107) and is fixed mutually with the surface of pushing away flitch (109) top position department, the heater strip (105) that are used for carrying out heating to the inside of extruding case (107) are all installed to the surface of extruding case (107), temperature monitor (106) are installed to the inner wall of equipment box (1).

3. A multi-layer coextrusion apparatus according to claim 1, wherein adhesion of materials is avoided: the anti-adhesion component (203) is arranged on the surface of the pushing plate (109), the anti-adhesion component (203) is composed of a connecting frame (2031) and a scraping plate (2032), the connecting frame (2031) is arranged on the surface of the pushing plate (109), the scraping plate (2032) used for scraping materials adhered to the inner wall of the extrusion box (107) is arranged inside the connecting frame (2031), the surface of the scraping plate (2032) is in contact with the inner wall of the extrusion box (107), and the scraping plate (2032) is in sliding fit with the inner wall of the connecting frame (2031).

4. A multi-layer coextrusion apparatus according to claim 3, wherein material adhesion is avoided, characterized in that: equidistant elastic columns (202) are arranged on the inner walls of the connecting frames (2031), one ends of the elastic columns (202) are fixed with the surface of the scraping plate (2032), equidistant elastic components (201) are arranged on the inner walls of the connecting frames (2031), and one ends of the elastic components (201) are fixed with the surface of the scraping plate (2032).

5. A multi-layer coextrusion apparatus according to claim 1, wherein adhesion of materials is avoided: the surface mounting of workbin body (104) top position department has driving motor (302), the input of driving motor (302) is connected with the output electricity of control button (101), the inside of workbin body (104) is provided with agitator (301), the inner wall of agitator (301) and workbin body (104) mutually rotates the cooperation.

6. The multilayer coextrusion apparatus according to claim 5, wherein: the output end of the driving motor (302) is provided with a rotating shaft (303) through a coupler, one end of the rotating shaft (303) penetrates through the feed box body (104) and is fixed with the surface of the stirrer (301), and stirring rods (304) which are used for stirring materials at equal intervals are arranged on the surface of the stirrer (301).

7. A multi-layer coextrusion apparatus according to claim 1, wherein adhesion of materials is avoided: the convenient switching group (403) is arranged on the surface of the extrusion pipe (110), the extrusion head (111), the extrusion head (112) and the extrusion head (113) and the extrusion head (114), the convenient switching group (403) is composed of a positioning clamping groove (4031) and a positioning clamping block (4032), the surface of the extrusion pipe (110) is provided with a fixed screw hole (402), the surfaces of the extrusion head (111), the extrusion head (112) and the extrusion head (113) and the extrusion head (114) are connected with a fastening bolt (401) in a threaded manner, and one end of the fastening bolt (401) penetrates through the extrusion head (111), the extrusion head (112) and the extrusion head (113) and the extrusion head (114) and is fastened with the inner wall of the fixed screw hole (402) respectively.

8. The multilayer coextrusion apparatus according to claim 7, wherein: the fastening bolt (401) and the surfaces of the extrusion head (111), the extrusion head (112), the extrusion head (113) and the extrusion head (114) are in mutually rotating fit, the surfaces of the extrusion head (111), the extrusion head (112), the extrusion head (113) and the extrusion head (114) are all provided with positioning clamping blocks (4032), the surfaces of the extrusion pipe (110) are all provided with positioning clamping grooves (4031), and the positioning clamping grooves (4031) are mutually clamped and matched with the surfaces of the positioning clamping blocks (4032).