CN210820848U

CN210820848U - Switching device of extruder filter screen

Info

Publication number: CN210820848U
Application number: CN201921643598.0U
Authority: CN
Inventors: 吴天华; 杨新星
Original assignee: Zhangjiagang Meite Polymer Materials Co ltd
Current assignee: Zhangjiagang Meite Polymer Materials Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-06-23
Anticipated expiration: 2029-09-29

Abstract

The utility model relates to an extruder field especially relates to a auto-change over device of extruder filter screen, and the device can adopt rotatory mode to trade the net operation, can need not shut down, effectively solves the problem that proposes in the background art. The discharging pipe comprises a discharging pipe, wherein a notch with an upper opening is formed in the left side of the right port of the discharging pipe, a vertical round fixing ring is fixedly arranged on the discharging pipe on the left side of the notch, vertical rods are fixedly arranged on the inner side and the outer side of the fixing ring respectively, the bottom of each vertical rod is fixedly connected with the upper surface of a cross rod, the inner end of each cross rod is fixedly connected with the outer surface of the discharging pipe, a gear ring is rotatably arranged on the inner surface of the fixing ring, a plurality of gear teeth are arranged on the inner surface of the gear ring, a transverse driving motor is fixedly arranged on the discharging pipe; and a plurality of filtering components are uniformly and fixedly arranged on the right side surface of the gear ring. The extruder is simple to operate, convenient to use and suitable for extruders of various models.

Description

Switching device of extruder filter screen

Technical Field

The utility model relates to a field specifically is a auto-change over device of extruder filter screen.

Background

Extruders belong to one of the classes of plastic machines, originating from the 18 th century. The extruder can divide the machine head into a right-angle machine head, an oblique-angle machine head and the like according to the material flow direction of the machine head and the included angle of the central line of the screw. The screw extruder depends on the pressure and the shearing force generated by the rotation of the screw, so that materials can be fully plasticized and uniformly mixed and are molded through a neck mold. Plastic extruders can be largely classified into twin-screw extruders, single-screw extruders, multi-screw extruders and screw-less extruders.

Need carry out filtering impurity through the filter screen in the position that the ejection of compact section is close to the discharge gate when extruder plastics are extruded, and the installation of present filter screen is exactly radial male mode, inserts the discharge gate with the filter screen, and filter screen impurity filters when more, will block up, consequently needs to change, and present way is exactly to take out the filter screen and change, but need extrude the extruder when taking out to it is very troublesome.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a auto-change over device of extruder filter screen, the device can adopt rotatory mode to trade the net operation, can need not shut down, effectively solves the problem of proposing in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a auto-change over device of extruder filter screen, includes the discharging pipe, discharging pipe right side port left side be equipped with the opening of upper shed, its characterized in that: a vertical round fixing ring is fixedly arranged on the discharging pipe on the left side of the opening, vertical rods are fixedly arranged on the inner side and the outer side of the fixing ring respectively, the bottom of each vertical rod is fixedly connected with the upper surface of a cross rod, the inner end of each cross rod is fixedly connected with the outer surface of the discharging pipe, a gear ring is rotatably arranged on the inner surface of the fixing ring, a plurality of gear teeth are arranged on the inner surface of the gear ring, a transverse driving motor is fixedly arranged on the discharging pipe on the left side of the fixing ring, and a gear meshed with the gear teeth is fixedly arranged on a motor shaft on;

the gear circle right flank evenly fixed be equipped with a plurality of filter assemblies, filter assembly include arc fixed plate, arc fixed plate pass through first bolt and gear circle right flank fixed connection, arc fixed plate lateral surface pass through connecting portion and the filter screen frame fixed connection of card income opening, the filter screen frame in detachable install the filter screen.

Preferably, the filter screen include circular screen frame, the screen frame in fixed be equipped with metal filter screen, the screen frame outer peripheral face equipartition have three cylindricality archs, filter screen frame internal surface be equipped with the protruding card of cylindricality put the complex draw-in groove.

Preferably, the clamping grooves respectively comprise a first sliding groove with an upper vertical opening, the bottom of the first sliding groove is communicated with a second sliding groove with a right opening, and an L-shaped clamping groove structure bent leftwards is integrally formed.

Preferably, the outer peripheral face of the gear ring is fixedly provided with a circle of groove, and the inner surface of the fixing ring is fixedly provided with a circle of boss in sliding fit with the groove.

Preferably, a reinforcing rib is fixedly arranged between the fixing ring on the inner side of the vertical rod and the cross rod.

Preferably, the bottom of the driving motor is provided with a fixed seat, and the fixed seat is fixedly connected with the discharge pipe through a second bolt.

Compared with the prior art, the utility model provides a switching device of extruder filter screen possesses following beneficial effect:

1. the utility model discloses a solid fixed ring internal surface rotates and is equipped with the ring gear, ring gear internal surface is equipped with a plurality of teeth of a cogwheel, the left discharging pipe of solid fixed ring on be equipped with the fixed horizontal driving motor that is equipped with, the motor shaft on driving motor right side on the fixed gear with the teeth of a cogwheel meshing that is equipped with, during the use, the drive through driving motor can make the ring gear rotate, makes preparation for the rotatory switching of at back filter screen.

2. The utility model discloses a filtering component includes arc fixed plate, arc fixed plate pass through first bolt and gear circle right flank fixed connection, arc fixed plate lateral surface pass through connecting portion and the filter screen frame fixed connection of card income opening, the filter screen frame in detachable install the filter screen, during the use, one of them filter screen frame card goes into in the opening, when the jam needs to trade the net, can start driving motor, then rotate through gear drive gear circle, then current filter screen frame rolls out, next filter screen frame card goes into to realized trading the incessant of net.

3. The utility model discloses a filter screen includes circular screen frame, the screen frame in the fixed metal filters that are equipped with, screen frame outer peripheral face equipartition have three cylindricality protruding, filter screen frame internal surface be equipped with put the complex draw-in groove with the protruding card of cylindricality, during the use, the filter screen can go into the draw-in groove through the protruding card of cylindricality in, convenient to detach and maintenance.

4. The utility model discloses a draw-in groove includes vertical upper shed's first spout respectively, first spout bottom be linked together with right open-ended second spout, the whole L shape draw-in groove structure of buckling left that forms, during the use, concrete operation is: the cylindrical protrusions of the filter screen are clamped into the first sliding grooves respectively, clamped into the bottom and then rotated leftwards, so that the cylindrical protrusions are clamped into the second sliding grooves, the filter screen is fixed, the filter screen is rotated rightwards firstly during disassembly, and then the filter screen is pulled outwards.

5. The utility model discloses a fixed round recess that is equipped with of gear ring outer peripheral face, solid fixed ring internal surface fixed be equipped with round and recess sliding fit's boss, during the use, the recess does benefit to gear ring pivoted stability with the cooperation of boss, avoids following the slippage in the stationary ring.

6. The utility model discloses a pole setting inboard solid fixed ring and with the horizontal pole between still fixed strengthening rib that is equipped with, during the use, the strengthening rib does benefit to the fastness that solid fixed ring and discharging pipe are connected, does benefit to the stability of whole device work.

Drawings

Fig. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic diagram of the right-view structure of the present invention engaged with the opening;

FIG. 3 is an enlarged schematic view of the filter assembly of FIG. 2;

FIG. 4 is a schematic cross-sectional view of the gear ring and the fixing ring;

fig. 5 is a bottom view of the upper card slot of fig. 3.

The following are marked in the figure:

1. a discharge pipe; 11. a cross bar;

2. a fixing ring; 21. erecting a rod; 22. reinforcing ribs; 23. a boss;

3. a gear ring; 31. gear teeth; 32. a groove;

4. a drive motor; 41. a gear;

5. an arc-shaped fixing plate; 51. a first bolt; 52. a connecting portion;

6. a filter screen frame; 61. a card slot; 611. a first chute; 622. a second chute;

7. a filter screen; 71. a screen frame; 72. a metal filter screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 5 (only one filter assembly is shown at the bottom in fig. 1 for clarity of the drawing), a switching device for a filter screen of an extruder comprises a discharge pipe 1, a gap 12 with an upper opening is arranged on the left side of the right end opening of the discharge pipe 1, a vertical round fixing ring 2 is fixedly arranged on the discharge pipe 1 on the left side of the gap 12, the inner side and the outer side of the fixing ring 2 are respectively and fixedly provided with a vertical upright rod 21, the bottom of the upright rod 21 is fixedly connected with the upper surface of the cross rod 11, the inner end part of the cross rod 11 is fixedly connected with the outer surface of the discharge pipe 1, the inner surface of the fixing ring 2 is rotatably provided with a gear ring 3 (figure 2), the inner surface of the gear ring 3 is provided with a plurality of gear teeth 31, the discharging pipe 1 on the left side of the fixing ring 2 is provided with a driving motor 4 which is fixedly arranged transversely, and a gear 41 which is meshed with the gear teeth 31 is fixedly arranged on a motor shaft (not marked in the figure) on the right side of the driving motor 4.

In the above-mentioned embodiment, it is concrete, 3 right flank of gear circle evenly fixed be equipped with a plurality of filtering component, filtering component include arc fixed plate 5, arc fixed plate 5 through

first bolt

51 and 3 right flank fixed connection of gear circle, 5 lateral surfaces of arc fixed plate pass through connecting portion 52 and the filter screen frame 6 fixed connection of card income opening 12, filter screen frame 6 in detachable install filter screen 7.

In the above embodiment, more specifically, the filter screen 7 includes a circular screen frame 71, a metal filter screen 72 is fixedly disposed in the screen frame 71, three cylindrical protrusions (not shown) are uniformly distributed on the outer peripheral surface of the screen frame 71, and a clamping groove 61 engaged with the cylindrical protrusions is disposed on the inner surface of the filter screen frame 6.

In the above embodiment, more specifically, the locking slots 61 respectively include first sliding slots 611 that are vertically opened, and the bottoms of the first sliding slots 611 are communicated with second sliding slots 612 that are right opened, so as to form an L-shaped locking slot structure that is bent leftward.

In the above embodiment, more specifically, a circle of groove 32 is fixedly disposed on the outer peripheral surface of the gear ring 3, and a circle of boss 23 slidably engaged with the groove 32 is fixedly disposed on the inner surface of the fixing ring 2.

In the above embodiment, more specifically, a reinforcing rib 22 is further fixedly disposed between the fixing ring 2 inside the upright 21 and the cross bar 11.

In the above embodiment, more specifically, the bottom of the driving motor 4 is provided with a fixing seat 42, and the fixing seat 42 is fixedly connected with the tapping pipe 1 through a second bolt (not marked in the figure).

The working principle is as follows: during the use, one of them filter screen frame 6 card is gone into in the opening 12, when blockking up the needs trade the net, can start driving motor 4, then through gear 41 drive gear circle 3 rotations, then current filter screen frame 6 rolls out, and next filter screen frame 6 card is gone into to realize trading not shutting down of net. The filter screen 7 can be clamped into the clamping groove 61 through the cylindrical protrusion, so that the filter screen is convenient to disassemble and maintain. The specific operation is as follows: the cylindrical protrusions of the filter screen are respectively clamped into the first sliding groove 611, clamped into the bottom and then rotated leftwards, so that the cylindrical protrusions are clamped into the second sliding groove 612, the filter screen 7 is fixed, and the filter screen 7 is firstly rotated rightwards and then pulled outwards during disassembly. The matching of the groove 32 and the boss 23 is beneficial to the stability of the rotation of the gear ring 3 and avoids slipping from the fixed ring 2. The reinforcing rib 22 is favorable for the firmness of connecting the fixing ring 2 and the discharge pipe 1 and the working stability of the whole device.

The components used in the present invention are all common standard components or components known to those skilled in the art, and the structure and principle thereof are well known to those skilled in the art.

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

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a auto-change over device of extruder filter screen, includes the discharging pipe, discharging pipe right side port left side be equipped with the opening of upper shed, its characterized in that: a vertical round fixing ring is fixedly arranged on the discharging pipe on the left side of the opening, vertical rods are fixedly arranged on the inner side and the outer side of the fixing ring respectively, the bottom of each vertical rod is fixedly connected with the upper surface of a cross rod, the inner end of each cross rod is fixedly connected with the outer surface of the discharging pipe, a gear ring is rotatably arranged on the inner surface of the fixing ring, a plurality of gear teeth are arranged on the inner surface of the gear ring, a transverse driving motor is fixedly arranged on the discharging pipe on the left side of the fixing ring, and a gear meshed with the gear teeth is fixedly arranged on a motor shaft on;

2. The switching device of the extruder filter screen according to claim 1, wherein: the filter screen include circular screen frame, the screen frame in fixedly be equipped with metal filters, the screen frame outer peripheral face equipartition have three cylindricality archs, filter screen frame internal surface be equipped with cylindricality protruding card put the complex draw-in groove.

3. The switching device of the filter screen of the extruder according to claim 2, wherein: the clamping grooves respectively comprise a first sliding groove with an upper vertical opening, the bottom of the first sliding groove is communicated with a second sliding groove with a right opening, and an L-shaped clamping groove structure bent leftwards is integrally formed.

4. The switching device of the extruder filter screen according to claim 1, wherein: the fixed round recess that is equipped with of gear circle outer peripheral face, solid fixed ring internal surface fixed be equipped with round and recess sliding fit's boss.

5. The switching device of the extruder filter screen according to claim 1, wherein: and reinforcing ribs are fixedly arranged between the fixing rings on the inner sides of the vertical rods and the cross rods.

6. The switching device of the extruder filter screen according to claim 1, wherein: the bottom of the driving motor is provided with a fixed seat, and the fixed seat is fixedly connected with the discharge pipe through a second bolt.