CN214027097U - Double-screw extruder with shock-absorbing function - Google Patents

Abstract

The utility model discloses a double screw extruder with shock-absorbing function, include: one end of the screw sleeve is connected with an external power mechanism, and the other end of the screw sleeve extends into the double screws in the screw sleeve; the support is used for limiting and supporting the screw sleeve; the support is provided with a first arc-shaped groove matched with the external structure of the threaded sleeve and a sinking groove arranged at the bottom of the arc-shaped groove; the rigid structure supporting frame is arranged in the sinking groove, and a second arc-shaped groove is formed in one side of the rigid structure supporting frame, which is matched with the threaded sleeve; and a nylon layer or a rubber layer is arranged on one side of the first arc-shaped groove and the second arc-shaped groove matched with the thread sleeve. The utility model provides a double screw extruder with shock-absorbing function through setting up and swivel nut matched with support to and the matched with support frame supports the location to the extruder, absorbs the vibrations that the extruder work produced through nylon layer or rubber layer simultaneously, guarantees the stability of equipment operation.

Description

Double-screw extruder with shock-absorbing function

Technical Field

The utility model relates to an extruder that uses under the industrial production condition. More specifically, the utility model relates to a double screw extruder with shock-absorbing function who is used in thermosetting powder coating production condition under.

Background

Thermosetting powder paint is a novel surface coating material which cannot be dyed and is adopted at home and abroad, the material is widely applied at home, the demand increases year by year, and high-quality and diversified powder is continuously pushed to the market along with the market demand. In actual processing, all materials are fed into a double-screw extruder through matched feeding devices for processing, a screw sleeve can be heated, melted and extruded and mixed through tightly meshed screws to enable a solid state to be changed into a flowable colloid state, and in the changing process, the materials are subjected to rapid rotation crushing and melting, strong extrusion and shearing to enable various meltable substances to be fully mixed.

However, the bought twin-screw extruder is generally transversely arranged, and a rack is generally required to fix the twin-screw extruder in the use process, but after the twin-screw extruder is matched with the twin-screw extruder, the vibration generated in the operation of the extruder cannot be decomposed by a metal mechanism, so that the fine vibration generated in the operation of the twin-screw extruder influences the operation of feeding equipment, and the comprehensive service life of a product is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages which will be described later.

To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a twin-screw extruder having a shock-absorbing function, including:

the upper end of the screw sleeve is provided with a feeding hole, and one side of the screw sleeve is provided with a discharging hole;

one end of the double screw is connected with an external power mechanism, and the other end of the double screw extends into the screw sleeve;

the support is used for limiting and supporting the screw sleeve;

the support is provided with a first arc-shaped groove matched with the external structure of the threaded sleeve and a sinking groove arranged at the bottom of the arc-shaped groove;

the rigid structure supporting frame is arranged in the sinking groove, and a second arc-shaped groove is formed in one side of the rigid structure supporting frame, which is matched with the threaded sleeve;

and a nylon layer or a rubber layer is arranged on one side of the first arc-shaped groove and the second arc-shaped groove matched with the thread sleeve.

Preferably, the support frame is internally filled with a matched sound absorption layer.

Preferably, the twin screw is configured to include a screw shaft provided with feed flights on a side near the feed port and extrusion flights on a side near the discharge port for extrusion processing;

wherein the screw is configured in a two-stage structure to be connected by a mating coupling.

Preferably, the threaded sleeve is configured as a mating outer and inner threaded sleeve;

wherein, the outer thread sleeve is provided with an arc-shaped cold plate at the outer side matched with the feeding teeth, and a heating plate is arranged at one side matched with the extrusion teeth;

and a discharging flange is arranged on one side of the screw sleeve matched with the discharging port.

The utility model discloses include following beneficial effect at least, an one of which, the utility model discloses a setting and swivel nut matched with support to and the matched with support frame supports the location to the extruder, absorb the vibrations that the extruder work produced through nylon layer or rubber layer simultaneously, guarantee the stability of equipment operation.

And secondly, the utility model discloses a bottom at the support sets up the matched with layer of absorbing sound, gets rid of its noise that produces in the work, reduces its pollution that causes the environment.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a schematic cross-sectional view of a twin-screw extruder having a shock-absorbing function according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional structure diagram of the twin-screw extruder of the present invention.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

It should be noted that in the description of the present invention, the terms indicating the orientation or the positional relationship are based on the orientation or the positional relationship shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, such as "connected," which may be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, or a connection between two elements, and those skilled in the art will understand the specific meaning of the terms in the present invention in a specific context.

Furthermore, in the present disclosure, unless explicitly stated or limited otherwise, a first feature may be "on" or "under" a second feature in direct contact with the first and second features, or in indirect contact with the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Fig. 1-2 show a twin-screw extruder implementation form with shock-absorbing function according to the present invention, which includes:

the structure is characterized in that a screw sleeve 1 is transversely arranged, a feeding hole 2 is formed in the upper end of the screw sleeve, a discharging hole 3 is formed in one side of the screw sleeve, the material is enabled to move without depending on gravity through transverse arrangement, the work of the material is guided only through the extrusion action of double screws, in actual use, the feeding hole can be matched with other feeding devices to realize continuous transmission of the material, and the discharging hole is used for conveying mixed and melted materials outwards;

a double screw 4 with one end connected with an external power mechanism (not shown) and one end extending into the screw sleeve, and the power is provided by an external transportation mechanism such as a motor, wherein the double screw is configured into a double-section structure, one section is matched for mixing and conveying, and the other end is melted and extruded;

the support 5 is used for limiting and supporting the screw sleeve and is used for arranging a double-end screw to limit, in the structure, the support can be constructed by concrete to ensure the structural stability and the cost controllability of the support, the support can be arranged into a plurality of sections according to the requirements before the support is produced, then installation columns are arranged on site, matched clamping grooves are arranged on the concrete sections of each section to finish the installation and the limitation of each section, and the support can be prepared by matched metals to ensure the structural stability of the support;

the support is provided with a first arc-shaped groove 6 matched with the external structure of the threaded sleeve and a sinking groove 7 arranged at the bottom of the arc-shaped groove, in the structure, the matching degree of the first arc-shaped groove and the external part of the threaded sleeve is better and the stability of structural installation is better by arranging the first arc-shaped groove matched with the support, the structural design of the sinking groove has better weight controllability on the support, and meanwhile, the internal part can provide a space for installing or filling other materials;

the rigid structure supporting frame 8 is arranged in the sinking groove, a second arc-shaped groove 9 is formed in one side, matched with the thread insert, of the rigid structure supporting frame, the supporting stability and the structural controllability of the rigid structure supporting frame are better due to structural limitation of the supporting frame, and the matching degree of the rigid structure supporting frame and the thread insert is higher due to structural design of the second arc-shaped groove;

first arc wall, second arc wall are provided with nylon layer or rubber layer 10 in one side with swivel nut matched with, set up matched with nylon layer or rubber layer respectively in one side with swivel nut matched with, and then absorb the vibrations that produce in the equipment work, and the design of its structure simultaneously, for metal the friction degree is higher, and it is littleer to the damage degree on equipment surface in work simultaneously, and structure life is longer.

In another example, as shown in fig. 1, the inside of the supporting frame is filled with a matching sound absorption layer 11, and the sound absorption layer can be made of felt, sound absorption cotton, foam, rubber and the like, so that the supporting frame is light in weight, better in sound absorption effect and better in matching degree.

As shown in fig. 1-2, in another example, the twin screw is configured to include a screw shaft 12 provided with a feed dog 13 on a side near the feed port for mixing and conveying an external feed to an extrusion section by a screw type structure device, and the screw dog is adjustable in pitch between the screw dogs and with an inner screw according to the requirement of different positions, and a extrusion dog 14 on a side of the discharge port for extrusion processing is provided for conveying and extruding the conveyed material through a plurality of extrusion dogs arranged in a ring shape, the processing of the material is completed, and a screw dog 15 for large-quantity discharging can be provided on a side near the discharge port;

the screw is configured into a double-section structure to be connected through a matched coupler, in the structure, through the double-section structural design, when a certain section is seriously worn, the screw can be replaced or maintained as required to control the use cost of equipment, and in actual matching, the screw shaft is further required to be connected and fixed through a matched coupler 21, a spline sleeve 22, a round nut 23, a retainer ring 24 and a split shaft 25.

In another example, shown in fig. 1-2, the threaded sleeves are configured as an outer threaded sleeve 16 and an inner threaded sleeve 17 that cooperate to form a structure in which the inner threaded sleeve is in direct contact with the material to be processed in cooperation with the screw, while the outer threaded sleeve functions to ensure the mechanical structural stability of the apparatus;

the outer thread sleeve is provided with an arc-shaped cold plate 18 at the outer side matched with the feeding teeth, one side matched with the extrusion teeth is provided with a heating plate 19, the arc-shaped cold plate cools the materials in the thread sleeve to ensure that the materials can be fully mixed at the material feeding end, and the extrusion section is provided with a matched electric heating plate to melt the materials in the extrusion section so as to change the characteristics of the materials;

the screw sleeve is provided with a discharging flange 20 on one side matched with the discharging port, and the discharging flange is used for being matched with structures of other equipment to ensure the linkage between the equipment.

The above embodiments are merely illustrative of a preferred embodiment, but not limiting. When the utility model is implemented, the proper replacement and/or modification can be carried out according to the requirements of users.

The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.

While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.

Claims (4)

1. A twin-screw extruder with a shock-absorbing function, characterized by comprising:

the upper end of the screw sleeve is provided with a feeding hole, and one side of the screw sleeve is provided with a discharging hole;

one end of the double screw is connected with an external power mechanism, and the other end of the double screw extends into the screw sleeve;

the support is used for limiting and supporting the screw sleeve;

the support is provided with a first arc-shaped groove matched with the external structure of the threaded sleeve and a sinking groove arranged at the bottom of the arc-shaped groove;

the rigid structure supporting frame is arranged in the sinking groove, and a second arc-shaped groove is formed in one side of the rigid structure supporting frame, which is matched with the threaded sleeve;

and a nylon layer or a rubber layer is arranged on one side of the first arc-shaped groove and the second arc-shaped groove matched with the thread sleeve.

2. The twin screw extruder with a shock-absorbing function as claimed in claim 1, wherein the inside of the support frame is filled with a matching sound-absorbing layer.

3. The twin-screw extruder with a shock absorbing function according to claim 1, wherein the twin-screw is configured to include a screw shaft provided with a feed flight on a side near the feed port and a pressing flight on a side near the discharge port for a pressing process;

wherein the screw is configured in a two-stage structure to be connected by a mating coupling.

4. The twin screw extruder with a shock absorbing function as claimed in claim 1, wherein the screw sleeve is configured as a mating outer and inner screw sleeve;

wherein, the outer thread sleeve is provided with an arc-shaped cold plate at the outer side matched with the feeding teeth, and a heating plate is arranged at one side matched with the extrusion teeth;

and a discharging flange is arranged on one side of the screw sleeve matched with the discharging port.

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