CN216708283U

CN216708283U - Filter extruder's ejection of compact structure and filter extruder

Info

Publication number: CN216708283U
Application number: CN202123448599.XU
Authority: CN
Inventors: 韩占营; 张俊良; 张�浩
Original assignee: Changzhou Huashi New Material Technology Co ltd
Current assignee: Changzhou Huashi New Material Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-10
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to the technical field of PVC calendering film processing equipment, in particular to a discharging structure of a filtering extruder and the filtering extruder, which comprises a charging barrel on the filtering extruder, and comprises: the die head fixing seat is rotatably connected to the discharge end of the charging barrel; the discharge die heads are detachably fixed on the die head fixing seat, the number of the discharge die heads is one or more, and discharge ports are formed in the discharge die heads; the filter screen is detachably arranged at the feeding end of the discharging die head; and the heating device is arranged on one side of the charging barrel and is used for heating the charging barrel and the discharging die head. The utility model solves the problems of inconvenient installation of the filtering device and inconvenient replacement and cleaning of the die head in the extruder.

Description

Filter extruder's ejection of compact structure and filter extruder

Technical Field

The application relates to the technical field of PVC calendering membrane processing equipment, in particular to a discharge structure of a filtering extruder and the filtering extruder.

Background

The PVC calendered film is closed-cell foamed plastic prepared by taking polyvinyl chloride resin as a base material, adding auxiliary materials such as a foaming agent, a stabilizing agent and the like, and kneading, ball milling, molding and foaming.

The PVC calendered film is prepared by calendering process, wherein calendering is a process of making heated polyvinyl chloride plastic pass through the gap of one or more pairs of horizontal rollers rotating oppositely to make the material bear the extrusion and extension actions, so as to obtain a thin product with a certain thickness, width and smooth surface. The PVC calendered film occupies an important position in plastic greenhouse films, and is widely applied to salt pan covers, industrial packaging, electrical insulation, inflatable film products, lamp box advertisements, engineering waterproofing, commodity packaging and the like.

In the related art, the extruder for the PVC calendered film mainly comprises a driving mechanism, a feeding device, a charging barrel, a screw, a head (die head) and the like.

In practice, the inventor finds that at least the following problems exist in the technology:

the filter device in the existing extruder is troublesome to install and replace, and the replacement and cleaning of the die head are inconvenient mostly, so that the production efficiency is influenced.

Disclosure of Invention

In order to solve the inconvenient problem of filter equipment installation and die head change clearance in the extruder, this application provides a filter extruder's ejection of compact structure and filter extruder.

First aspect, the application provides a filter extruder's ejection of compact structure adopts following technical scheme:

a discharge structure for a filter extruder, comprising a cartridge on the filter extruder, comprising:

the die head fixing seat is rotatably connected to the discharge end of the charging barrel;

the discharge die heads are detachably fixed on the die head fixing seat, the number of the discharge die heads is one or more, and discharge ports are formed in the discharge die heads;

the filter screen is detachably arranged at the feeding end of the discharging die head;

and the heating device is arranged on one side of the charging barrel and is used for heating the charging barrel and the discharging die head.

Through adopting above-mentioned technical scheme, ejection of compact die head and die head fixed seat are configured mutually for ejection of compact die head and filter screen dismantlement when clearing up are more convenient.

In some embodiments, a fixing seat driving device is disposed on one side of the die head fixing seat and used for driving the die head fixing seat to rotate along the axis of the charging barrel.

Through adopting above-mentioned technical scheme, the rotation of die head fixing base makes opening and closing of die head fixing base for ejection of compact die head more convenient.

In some embodiments, a plurality of fixing blocks protruding outwards are circumferentially arranged on the outer edge of the discharge die head, a plurality of blocking blocks protruding inwards are circumferentially arranged on the inner wall of the die head fixing seat, and the fixing blocks and the blocking blocks are configured.

Through adopting above-mentioned technical scheme, adopt the fixed block and block piece matched with mode, the installation of carrying out ejection of compact die head is fixed and the clearance is dismantled, and the installation is firm, and it is convenient to dismantle.

In some embodiments, a rotating bracket is fixedly arranged on the discharge die head, the rotating bracket is rotatably connected to a fixed bracket arranged on the side of the die head fixing seat, and the discharge die head can rotate through the rotating bracket to be separated from or fixed to the die head fixing seat.

By adopting the technical scheme, the installation of the discharging die head and the separation of the die head fixing seat are very convenient and practical.

In some embodiments, the number of the discharge dies is two, and the two discharge dies are respectively connected with a rotating bracket and a fixed bracket which respectively correspond to the two discharge dies, so that production and cleaning can be performed alternately.

By adopting the technical scheme, two discharge die heads capable of replacing work are adopted, so that the production efficiency is effectively improved.

In some embodiments, an auxiliary discharge wheel for assisting discharge is arranged at the discharge opening of the discharge die head.

Through adopting above-mentioned technical scheme, ejection of compact auxiliary wheel can assist the material of extruding to transmit and fix a position.

In some embodiments, the auxiliary discharging wheel gradually increases in diameter from the middle to both ends in the direction of the axis of the auxiliary discharging wheel.

Through adopting above-mentioned technical scheme for the material of extruding is located the centre of ejection of compact auxiliary wheel.

In some embodiments, a filter screen groove for installing the filter screen is arranged at the feeding port of the discharge die head.

Through adopting above-mentioned technical scheme, set up the filter screen recess for but filter screen convenient and fast's installation and dismantlement.

In a second aspect, the application provides a filtering extruder, which adopts the following technical scheme:

the utility model provides a filter extruder, include the frame, set up in feed cylinder in the frame, set up in feeder hopper on the feed cylinder and set up in the extruder drive arrangement of feed cylinder one side, filter extruder include above technical scheme ejection of compact structure.

In some embodiments, the barrel is a double-layer jacket structure, and comprises an outer barrel and an inner barrel, wherein a screw is arranged in the inner barrel and connected with a temperature control device, and the outer barrel is connected with the heating device.

By adopting the technical scheme, hot water is introduced into the inner layer material barrel to prevent adhesion; heating devices are arranged at the outer layer material cylinder and the discharging die head, and heating is performed twice before and after forming, so that the filtering extruder can work stably.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the multi-layer filter screen is detachably arranged in the discharge die head of the filtering extruder, so that materials can be effectively filtered, and the filter screen can be conveniently cleaned or replaced.

2. The fixing or dismounting of the discharging die head is carried out in a fixed block and blocking block matched mode through the discharging die head and the die head fixing seat, and the fixing or dismounting is stable, convenient and fast.

3. By adopting the structure of the double-discharging die heads which can be alternated, the production and the cleaning can be synchronously carried out, and the production efficiency is greatly improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a filtering extruder provided in the embodiment of the present application;

FIG. 2 is a schematic diagram of an overall structure of a filtering extruder provided in an embodiment of the present application;

FIG. 3 is a first schematic structural diagram of a discharge die of a filtering extruder provided in the examples of the present application;

FIG. 4 is a schematic structural diagram II of a discharge die head of a filtering extruder provided in the examples of the present application;

wherein, 1, a charging barrel; 2. a die head fixing seat; 21. a blocking block; 3. a discharge die head; 31. a discharge port; 32. a fixed block; 33. a discharge auxiliary wheel; 34. a filter screen groove; 35. a die head heating port; 4. a filter screen; 5. a heating device; 6. a holder driving device; 7. a fixed bracket; 8. rotating the bracket; 9. a feed hopper; 10. an extruder drive device; 11. a frame; 12. the heating port of the charging barrel.

Detailed Description

In order to make the objects, features and advantages of the present invention more apparent and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only a part of the embodiments of the present application, 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 application.

The present application is described in further detail below with reference to figures 1 to 4.

As shown in fig. 1 and fig. 2, the present application discloses a discharge structure of a filtering extruder, including a barrel 1 on the filtering extruder, including:

the die head fixing seat 2 is rotatably connected to the discharge end of the charging barrel 1;

the discharge die heads 3 are detachably fixed on the die head fixing seats 2, the number of the discharge die heads 3 is one or more, and discharge holes 31 are formed in the discharge die heads 3;

the filter screen 4 is detachably arranged at the feeding end of the discharge die head 3;

and the heating device 5 is arranged on one side of the charging barrel 1 and is used for heating the charging barrel 1 and the discharging die head 3.

In the embodiment of the application, 2 one sides of die head fixing seats are provided with fixing seat driving devices 6 for driving the die head fixing seats 2 to rotate along the axis of the charging barrel 1.

In some embodiments, the driving manner of the fixing seat driving device 6 includes hydraulic driving, pneumatic driving, electric driving, mechanical driving, or the like; adopt the pneumatic cylinder in this embodiment, drive die head fixing base 2 and rotate.

In the embodiment of the application, a plurality of fixing blocks 32 protruding outwards are circumferentially arranged on the outer edge of the discharge die head 3, a plurality of blocking blocks 21 protruding inwards are circumferentially arranged on the inner wall of the die head fixing seat 2, and the fixing blocks 32 and the blocking blocks 21 are configured mutually.

In some embodiments, the fixing blocks 32 and the blocking blocks 21 are spaced apart (may be disposed at equal intervals), and the distance between adjacent fixing blocks 32 is enough for the blocking blocks 21 to pass through, and the distance between adjacent blocking blocks 21 is enough for the fixing blocks 32 to pass through, so that the opening and closing of the die holder 2 can be formed in combination with the rotation of the die holder 2. In actual production, the discharging die head 3 needs to be opened at certain intervals for cleaning, so that a convenient and quick mode for disassembling the discharging die head 3 is needed. Drive die head fixing base 2 through fixing base drive arrangement 6 (hydrovalve) in the above-mentioned scheme and rotate to make each fixed block 32 of ejection of compact die head 3 get into in can following each clearance that blocks piece 21 of die head fixing base 2, fixed block 32 gets into 2 inner chambers of die head fixing base after, the rethread hydrovalve drives die head fixing base 2 gyration, so that each blocks piece 21 and blocks fixed block 32, makes ejection of compact die head 3 firm the installation to die head fixing base 2 on.

In this application embodiment, the fixed support 8 that rotates that is provided with on ejection of compact die head 3, rotate support 8 and rotate to connect in the setting on the fixed bolster 7 of 2 lateral parts of die head fixing base, ejection of compact die head 3 can rotate through rotating support 8 to break away from or fix extremely die head fixing base 2.

In some embodiments, the rotating bracket 8 can drive the discharging die head 3 to rotate along the horizontal direction, and in actual production, when the discharging die head 3 needs to be cleaned, the discharging die head 3 is separated from the die head fixing seat 2 and is turned to the outer side through the opening mode of the die head fixing seat 2, so that a worker can clean the discharging die head conveniently; after the cleaning is finished, the die head fixing seat 2 is rotated to be closed.

In the embodiment of the present application, two discharge die heads 3 are respectively connected to a rotating support 8 and a fixed support 7, which correspond to each other, for alternate production and cleaning. In actual production, the die head needs to be cleaned once every several hours (6 hours in the embodiment of the application), so that two sets of discharging die head mechanisms are arranged, two discharging die heads 3 are respectively arranged at the left side and the right side of a die head fixing seat 2 and respectively correspond to an independent rotating support 8 and an independent fixing support 7; when one discharging die head 3 is installed to the die head fixing seat 2 for production, the other discharging die head 3 can be moved to one side for cleaning, and the production efficiency is greatly improved.

In the embodiment of the present application, as shown in fig. 3, a discharge auxiliary wheel 33 for assisting discharge is provided at the discharge port 31 of the discharge die head 3. In the embodiment of this application, discharge gate 31 is circular, and the material of extruding is circular strip, and this ejection of compact auxiliary wheel 33 can be fixed a position and remove the material of extruding of discharge gate 31, carries next process.

In the embodiment of the present application, the diameter of the auxiliary discharging wheel 33 gradually increases from the middle to the two ends along the axis direction, so that the material extruded by the extruder is positioned in the middle of the auxiliary discharging wheel 33.

In the embodiment of the present application, as shown in fig. 4, a filter screen groove 34 for installing the filter screen 4 is provided at the inlet of the discharge die 3. In the embodiment of this application, set up three-layer filter screen 4 and filter the material, through the filter screen recess 34 that sets up, can be convenient at the inboard feed end installation of ejection of compact die head 3 or dismantle filter screen 4.

The embodiment of the application discloses filter extruder, including frame 11, set up in feed cylinder 1 in the frame 11, set up in feeder hopper 9 on the feed cylinder 1 and set up in the extruder drive arrangement 10 of feed cylinder 1 one side, filter extruder include above technical scheme ejection of compact structure.

In some embodiments, the barrel 1 is a double-layer jacket structure, and comprises an outer layer barrel and an inner layer barrel, wherein a screw is arranged in the inner layer barrel and connected with a temperature control device, and the outer layer barrel is connected with the heating device 5; the outer layer material cylinder is provided with a material cylinder heating port 12 connected with the heating device 5, and is connected with the heating device 5 through the material cylinder heating port.

In the embodiment of the application, the filtering extruder comprises a frame 11, a charging barrel 1 is arranged on the frame 11, a feeding hopper 9 is arranged on the charging barrel 1, the material of the previous process is conveyed to the position by a conveying device, enters the feeding hopper 9 of the filtering extruder, and is ready to start the extrusion process; the charging barrel 1 is of a double-layer jacket structure, and a screw rod for conveying, heat transfer plasticizing and mixing homogenized materials is arranged in the inner layer charging barrel; one side of the barrel 1 is provided with an extruder driving device 10, such as a motor or the like, for driving the screw; the inner layer material cylinder is connected with a temperature control device, such as a mold temperature controller, and hot water is introduced for preventing materials from being adhered to the inner layer material cylinder; the outer layer charging barrel is connected with the heating device 5, and can be introduced into the outer layer charging barrel through heat conduction oil and the like to heat the material in the inner layer; because the inner layer material is communicated with water, the temperature of the material is reduced when the material enters the discharging die head 3, the discharging die head 3 is communicated with the heating device 5, and the die head heating opening 35 is arranged on the discharging die head 3 and is connected with the heating device 5 through the die head heating opening 35; through the mode that the conduction oil lets in ejection of compact die head 3, carry out secondary heating to ejection of compact position to make the material extrude smoothly, can not make whole extruder dead by the card because of the temperature reason of material.

It should be noted that, in this document, terms such as "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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made herein without departing from the spirit and scope of the application. Therefore, equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A discharge structure of a filtering extruder, comprising a cartridge (1) on a filtering extruder, characterized in that it comprises:

the die head fixing seat (2) is rotatably connected to the discharge end of the charging barrel (1);

the discharge die heads (3) are detachably fixed on the die head fixing seats (2), the number of the discharge die heads (3) is one or more, and discharge holes (31) are formed in the discharge die heads (3);

the filter screen (4) is detachably arranged at the feeding end of the discharging die head (3);

the heating device (5) is arranged on one side of the charging barrel (1) and is used for heating the charging barrel (1) and the discharging die head (3).

2. The discharge structure of a filtering extruder according to claim 1, characterized in that: and a fixed seat driving device (6) is arranged on one side of the die head fixed seat (2) and used for driving the die head fixed seat (2) to rotate along the axis of the charging barrel (1).

3. The discharge structure of a filtering extruder according to claim 1, characterized in that: the outer edge circumference of ejection of compact die head (3) is provided with a plurality of outside bellied fixed block (32), the inner wall circumference of die head fixing base (2) is provided with a plurality of inside bellied stop block (21), fixed block (32) and stop block (21) configuration mutually.

4. The discharge structure of a filtering extruder according to claim 1, characterized in that: the die head is characterized in that a rotating support (8) is fixedly arranged on the discharging die head (3), the rotating support (8) is rotatably connected to a fixing support (7) arranged on the side portion of the die head fixing seat (2), and the discharging die head (3) can rotate through the rotating support (8) to be separated from or fixed to the die head fixing seat (2).

5. The discharge structure of a filtering extruder according to claim 4, characterized in that: the two discharging die heads (3) are respectively connected with a rotating bracket (8) and a fixed bracket (7) which respectively correspond to each other and are used for alternately carrying out production and cleaning.

6. The discharge structure of a filtering extruder according to claim 1, characterized in that: and a discharge auxiliary wheel (33) for auxiliary discharge is arranged at a discharge port (31) of the discharge die head (3).

7. The discharge structure of a filtering extruder according to claim 6, characterized in that: the diameter of the auxiliary discharging wheel (33) is gradually increased from the middle to the two ends along the axis direction of the auxiliary discharging wheel.

8. The discharge structure of a filtering extruder according to claim 1, characterized in that: and a filter screen groove (34) for mounting the filter screen (4) is formed in the feed inlet of the discharge die head (3).

9. A filter extruder, including frame (11), set up in feed cylinder (1) in frame (11), set up in feeder hopper (9) on feed cylinder (1) and set up in extruder drive arrangement (10) of feed cylinder (1) one side, its characterized in that: the filter extruder comprising the discharge structure of any one of claims 1 to 8.

10. A filter extruder as claimed in claim 9, wherein: the charging barrel (1) is of a double-layer jacket structure and comprises an outer-layer charging barrel and an inner-layer charging barrel, a screw rod is arranged in the inner-layer charging barrel and is connected with a temperature control device, and the outer-layer charging barrel is connected with the heating device (5).