CN210679635U

CN210679635U - Energy-saving extruder die head

Info

Publication number: CN210679635U
Application number: CN201921426877.1U
Authority: CN
Inventors: 刘国旺
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-06-05
Anticipated expiration: 2029-08-30

Abstract

The utility model belongs to the technical field of mechanical equipment, concretely relates to energy-saving extruder die head, including casing, end plate and filter core, casing surface spiral winding has solenoid, end plate detachably install in the tip of casing, a plurality of relief holes have been seted up to the end plate, the filter core includes the filtration stratum reticulare of wave structure and inserts and locate the plug of filtration stratum reticulare, the plug is hollow structure and wherein one end fixedly connected with fixed plate, and the other end is connected with the threaded connection head, the fixed plate with the threaded connection head respectively top support in filter stratum reticulare, the threaded connection head with the relief hole spiro union, a plurality of extrusion holes have been seted up on the surface of plug. Compared with the prior art, the utility model discloses can effectively reduce the number of times of changing the filter screen, improve production efficiency, simultaneously, can also improve the efficiency of heating, the energy can be saved.

Description

Energy-saving extruder die head

Technical Field

The utility model belongs to the technical field of mechanical equipment, concretely relates to energy-saving extruder die head.

Background

The plastic extruder is a device used for processing plastics, mainly heats recycled waste plastics into a molten state at a high temperature, then filters impurities through a filter screen and extrudes the filtered waste plastics into a mould to form a new product, and an extruder die head is a device arranged at the head of the plastic extruder and used for forming a medium to be extruded into a product with a fixed shape.

At present, the plastic extruder die head has at least the following defects in practical application:

1. usually, a flaky filter screen is arranged in the die head, and melted plastics are discharged through an extrusion hole after impurities are filtered by the flaky filter screen, but the flaky filter screen is frequently replaced, usually, the flaky filter screen needs to be replaced once in two hours, and the replacement is troublesome, so that the working efficiency is seriously influenced, in addition, the die head needs to be replaced after being cooled, and the die head needs to be reheated after the replacement, so that the energy consumption is greatly increased, and the requirements of energy conservation and environmental protection are not met;

2. the existing plastic extruder die head is usually heated by an electric heating plate, the energy is not fully utilized, and the energy loss is large.

In view of the above, there is a need for improvements to contemporary extruder dies that overcome the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: aiming at the defects of the prior art, the provided energy-saving extruder die head can effectively reduce the times of replacing the filter screen, improve the production efficiency, simultaneously improve the heating efficiency and save energy.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an energy-saving extruder die head, includes casing, end plate and filter core, casing surface spiral winding has solenoid, end plate detachably install in the tip of casing, a plurality of relief holes have been seted up to the end plate, the filter core includes the filtration stratum reticulare of wave structure and inserts and locates the plug of filtration stratum reticulare, the plug is hollow structure and wherein one end fixedly connected with fixed plate, and the other end is connected with the threaded connection head, the fixed plate with the threaded connection head respectively top support in filter stratum reticulare, the threaded connection head with the relief hole spiro union, a plurality of extrusion holes have been seted up on the surface of plug.

As right the utility model discloses in an energy-saving extruder die head's an improvement, solenoid with be provided with the heat-conducting layer between the casing. The heat conducting layer is additionally arranged, so that the heat transfer speed between the electromagnetic coil and the shell can be increased, the shell can be heated rapidly, the heating efficiency is improved, the energy loss in the heating process is reduced, and the energy-saving effect is further improved. Wherein, the heat conduction layer can be made of heat conduction and insulation material, such as heat conduction silica gel, etc.

As right the utility model discloses in an energy-saving extruder die head's an improvement, the heat-conducting layer cladding in solenoid. By adopting the coating structure, the contact area between the electromagnetic coil and the heat conduction layer can be increased, so that the heating speed can be further increased.

As right the utility model discloses in an energy-saving extruder die head's an improvement, still include the insulating layer, the insulating layer is laid in solenoid's upper surface. The insulating layer is used for insulating against heat, for preventing that the workman from touching the die head carelessly and causing the scald, simultaneously, can also keep warm to the casing, reduces the loss of heating power, the utilization ratio of increase energy. The heat insulating layer may be made of insulating material, such as ceramic fiber, asbestos, etc.

As right the utility model discloses in an energy-saving extruder die head's an improvement, the relief hole is arranged for even equidistance. The plastic at different discharge holes can be prevented from being bonded when discharging, and the stability of discharging is ensured.

As right the utility model discloses in an energy-saving extruder die head's an improvement, extrude the hole and arrange for even equidistance. The arrangement can ensure that the plastic in a molten state is uniformly extruded into the core rod, and improves the discharging stability.

As right the utility model discloses in an energy-saving extruder die head's an improvement, still include temperature sensor, temperature sensor set up in the casing. The temperature sensor is used for detecting the instant temperature of the shell, and the shell is guaranteed to work within a rated temperature range.

As right the utility model discloses in an energy-saving extruder die head's an improvement, threaded connection head is hemisphere or round platform shape structure. Compare the row material structure of traditional straight tube type, set up threaded connection head into hemisphere and round platform shape and can guarantee that the ejection of compact is smooth and easy, prevent the card material.

Compared with the prior art, the utility model discloses following beneficial effect has at least:

1) the utility model adopts the wave-shaped filter screen layer, compared with the traditional sheet structure, the surface area of the filter screen layer is greatly improved, so that the service time and the service life of the filter screen layer are longer, therefore, the times of replacing the filter element can be effectively reduced, the energy consumption is reduced, the energy-saving effect is realized, and the production cost is reduced;

2) the utility model discloses in through at casing surface spiral winding solenoid, utilize electromagnetic heating's mode to heat, compare in the heating of traditional electric heating board, the efficiency of heating has obtained the promotion that is showing, has reduced the loss of energy.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided to explain the invention and not to constitute an undue limitation on the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a layout diagram of the discharge holes of the present invention;

wherein, 1-shell; 2-end plate; 3-a filter element; 4-an electromagnetic coil; 5-a heat conducting layer; 6-a heat insulation layer; 7-a temperature sensor; 21-a discharge hole; 31-a filter screen layer; 32-a core rod; 33-fixing the plate; 34-a threaded connector; 35-extrusion orifice.

Detailed Description

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, within which a person skilled in the art can solve the technical problem to substantially achieve the technical result.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", horizontal "and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The present invention will be described in further detail with reference to the accompanying drawings, which are not intended to limit the present invention.

As shown in fig. 1-2, an energy-saving extruder die head, including casing 1, end plate 2 and filter element 3, casing 1 surface spiral winding has solenoid 4, end plate 2 detachably installs in the tip of casing 1, a plurality of relief holes 21 have been seted up to end plate 2, filter element 3 includes the filter screen layer 31 of wave structure and inserts the plug 32 of locating filter screen layer 31, plug 32 is hollow structure and wherein one end fixedly connected with fixed plate 33, the other end is connected with threaded connection head 34, fixed plate 33 and threaded connection head 34 respectively top support in filter screen layer 31, threaded connection head 34 and relief holes 21 spiro union, a plurality of extrusion holes 35 have been seted up on the surface of plug 32. In the utility model, the filter screen layer 31 is of a wave-shaped structure, so that the surface area of the filter screen is improved compared with the traditional sheet filter screen, and the filter screen can be used for filtering for a longer time and can be used for a longer time, so that the replacement times are effectively reduced, correspondingly, the energy consumption is also reduced, the energy-saving effect is realized, and the production cost is reduced; furthermore, the utility model discloses a mode that the electric heating board heating was replaced to electromagnetic heating's mode, the efficiency of heating has also obtained the promotion that is showing.

Preferably, a heat conduction layer 5 is arranged between the electromagnetic coil 4 and the shell 1, and the heat conduction layer 5 is additionally arranged, so that the heat transfer speed between the electromagnetic coil 4 and the shell 1 can be increased, the shell 1 is heated rapidly, the heating efficiency is improved, the energy loss in the heating process is reduced, and the energy-saving effect is further improved. Wherein, the heat conduction layer 5 can be made of heat conduction and insulation material, such as heat conduction silica gel, heat conduction silicon adhesive tape, etc. In order to further improve the heating efficiency, in the present embodiment, the heat conducting layer 5 may be less coated on the electromagnetic coil 4, but not limited to this, the contact area between the electromagnetic coil 4 and the heat conducting layer 5 may be increased, so as to accelerate the heat transfer between the electromagnetic coil 4 and the housing 1.

Preferably, the electromagnetic coil device further comprises a heat insulation layer 6, and the heat insulation layer 6 is laid on the upper surface of the electromagnetic coil 4. The insulating layer 6 is used for insulating heat, and the scald is caused for preventing the worker from carelessly touching the die head, and simultaneously, the shell 1 can be further insulated, so that the thermal loss is reduced, and the utilization rate of energy is improved. The heat insulating layer 6 may be made of a material having insulating and heat insulating properties, such as ceramic fiber, heat insulating asbestos, or the like.

Preferably, the discharge hole 21 and the extrusion holes 35 are uniformly and equidistantly arranged, so that the plastic in a molten state can be uniformly extruded into the core rod 32 and then discharged through the discharge hole 21, and no material sticking is caused during discharging, thereby improving the stability of discharging.

Preferably, the temperature sensor 7 is further included, and the temperature sensor 7 is disposed on the housing 1. The temperature sensor 7 is additionally arranged and can be used for detecting the instant temperature of the shell 1, so that the shell 1 is ensured to work within a rated temperature range.

Preferably, the threaded connector 34 is of a hemispherical or frusto-conical configuration. Compare the row material structure of traditional straight tube type, set up threaded connection head 34 into hemisphere and round platform shape can guarantee the smooth and easy of the ejection of compact, prevent the card material.

The utility model discloses a theory of operation does: the plastic is fed into the housing 1, starts to melt under the heating of the electromagnetic coil 4, then passes through the filter screen layer 31 in the filter element 3 to filter impurities, then flows into the core rod 32 through the extrusion hole 35, and finally is discharged from the discharge hole 21.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive of other embodiments, and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed above, or as otherwise known in the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The utility model provides an energy-saving extruder die head which characterized in that: including casing (1), end plate (2) and filter core (3), casing (1) surface spiral winding has solenoid (4), end plate (2) detachably install in the tip of casing (1), a plurality of relief holes (21) have been seted up in end plate (2), filter core (3) include wave structure filter screen layer (31) and insert and locate filter screen layer's (31) plug (32), plug (32) are hollow structure and wherein one end fixedly connected with fixed plate (33), and the other end is connected with threaded connection head (34), fixed plate (33) with threaded connection head (34) respectively top support in filter screen layer (31), threaded connection head (34) with relief hole (21) spiro union, a plurality of extrusion holes (35) have been seted up on the surface of plug (32).

2. The energy efficient extruder die according to claim 1, wherein: and a heat conduction layer (5) is arranged between the electromagnetic coil (4) and the shell (1).

3. The energy efficient extruder die according to claim 2, wherein: the heat conducting layer (5) covers the electromagnetic coil (4).

4. The energy efficient extruder die according to claim 1, wherein: the electromagnetic coil is characterized by further comprising a heat insulation layer (6), wherein the heat insulation layer (6) is laid on the upper surface of the electromagnetic coil (4).

5. The energy efficient extruder die according to claim 1, wherein: the discharge holes (21) are uniformly and equidistantly distributed.

6. The energy efficient extruder die according to claim 1, wherein: the extrusion holes (35) are uniformly and equidistantly distributed.

7. The energy efficient extruder die according to claim 1, wherein: the temperature control device further comprises a temperature sensor (7), wherein the temperature sensor (7) is arranged on the shell (1).

8. The energy efficient extruder die according to claim 1, wherein: the threaded connector (34) is of a hemispherical or truncated cone structure.