CN212045909U - Double-screw extruder capable of fully melting injection molding material - Google Patents
Double-screw extruder capable of fully melting injection molding material Download PDFInfo
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- CN212045909U CN212045909U CN201922464685.6U CN201922464685U CN212045909U CN 212045909 U CN212045909 U CN 212045909U CN 201922464685 U CN201922464685 U CN 201922464685U CN 212045909 U CN212045909 U CN 212045909U
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- guide cylinder
- screw extruder
- twin
- rotating shaft
- injection molding
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Abstract
The utility model discloses a double-screw extruder capable of fully melting injection molding materials, which comprises a guide cylinder horizontally arranged and a first guide cylinder arranged below the guide cylinder in parallel, wherein the outer wall of the guide cylinder is provided with a heating device, the heating device is wrapped with a heat insulation layer, a rotating shaft is coaxially arranged inside the guide cylinder, a spiral material feeding piece is welded on the outer wall of the rotating shaft, one end of the rotating shaft passes through the guide cylinder and extends to the outside of the guide cylinder, a bearing is arranged between the rotating shaft and the guide cylinder, a gear is welded on the part of the outer wall of the rotating shaft, which is positioned outside the guide cylinder, a feeding pipe is arranged on one side of the top of the guide cylinder, the feeding pipe is communicated with the inside of the guide cylinder, and a feeding hopper is arranged on the top of the feeding pipe, the utility model discloses solve through twice heating and melt inhomogeneous problem, its simple structure, convenient operation.
Description
Technical Field
The utility model relates to a double-screw extruder capable of fully melting injection molding materials.
Background
In the existing extrusion equipment, materials are extruded and heated to be molten by a screw in a screw cylinder, and then are extruded by an extrusion die to form a fixed shape.
When the screw cylinder is heated, the injection molding material is often not sufficiently melted due to excessive injection molding material and insufficient heating, and the product quality is affected after extrusion molding.
In view of the above problems, a twin-screw extruder that melts an injection molding material by heating twice is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a double-screw extruder capable of fully melting injection molding materials is provided.
The utility model discloses a realize through following technical scheme:
a double-screw extruder capable of fully melting injection molding materials is characterized in that: the feeding device comprises a horizontally placed guide cylinder and a first guide cylinder arranged below the guide cylinder in parallel, wherein a heating device is arranged on the outer wall of the guide cylinder, a heat insulation layer is wrapped outside the heating device, a rotating shaft is coaxially arranged inside the guide cylinder, a spiral material feeding piece is welded on the outer wall of the rotating shaft, one end of the rotating shaft penetrates through the guide cylinder and extends to the outside of the guide cylinder, a bearing is arranged between the rotating shaft and the guide cylinder, a gear is welded on the part of the outer wall of the rotating shaft, which is positioned outside the guide cylinder, a feeding pipe is arranged on one side of the top of the guide cylinder, the feeding pipe is communicated with the inside of the guide cylinder, a feeding hopper is arranged on the top of the feeding pipe, and a discharging port is arranged on the side, which is far away from the feeding pipe, of the bottom of the guide cylinder, a first heating device is arranged on the outer wall of the first material guide cylinder, a first heat-insulating layer is wrapped outside the first heating device, a first rotating shaft is coaxially arranged inside the first material guide cylinder, a first spiral material feeding piece is welded on the outer wall of the first rotating shaft, one end of the first rotating shaft penetrates through the first material guide cylinder and extends to the outside of the first material guide cylinder, a first bearing is arranged between the first rotating shaft and the first material guide cylinder, a first gear is welded on the outer wall of the part, located outside the first material guide cylinder, of the first rotating shaft, a material inlet is formed in the position, corresponding to the material outlet, of the top of the first material guide cylinder, an extruding nozzle for extruding molten plastic is arranged at the end, far away from the material inlet, of the first material guide cylinder, and a connecting pipe is arranged between the material inlet and the material outlet, the vertical fixed plate that is provided with in one side of first guide cylinder one side welding of fixed plate has connecting plate and first connecting plate the up end screw fixation of connecting plate has the motor the output of motor be provided with gear complex second gear the up end screw fixation of first connecting plate has first motor the output setting of first motor with first gear complex third gear the connecting plate with the welding has the connecting rod between the fixed plate the welding of the bottom of first connecting plate has a plurality of bracing pieces.
Preferably, the heating device and the first heating device both comprise a shell, a cavity filled with heat conduction oil is formed inside the shell, an electric heating device for heating the heat conduction oil is assembled outside the shell, a pressure relief pipe is installed at the top of the shell, and a pressure relief valve is assembled on the pressure relief pipe.
Preferably, the length of the connecting pipe is 30 cm, and the outer wall of the connecting pipe is wrapped with a heat insulation material.
Preferably, a shaft seal is arranged between the bearing and the guide cylinder, and a first shaft seal is arranged between the first bearing and the first guide cylinder.
Preferably, a fixed bracket is welded between the guide cylinder and the first guide cylinder.
Preferably, a plurality of support legs are arranged at the bottom of the first material guiding cylinder, and fixing rods are welded between the plurality of support legs and the plurality of support rods.
Preferably, temperature control devices are respectively arranged outside the material guiding cylinder and the first material guiding cylinder, and the temperature control devices are respectively connected with the heating device and the first heating device.
Preferably, the temperature control device comprises a temperature display and a temperature regulator.
Preferably, the control device, the motor and the first motor are all connected to an electrical cabinet.
Preferably, the diameter of the guide cylinder is greater than that of the first guide cylinder.
Preferably, the motor and the first motor are both servo motors.
The utility model has the advantages that: compared with a traditional extruder, the product is heated twice, so that the injection molding material is more fully melted, the qualification rate of the product is improved, the structure is simple, the operation is convenient, and the extruder is suitable for popularization.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a partial view of the heating device or first heating device of the present invention.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "set", "coupled", "connected", "penetrating", "plugging", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1 and 2, the twin-screw extruder capable of sufficiently melting injection molding materials comprises a guide cylinder 1 horizontally placed, and a first guide cylinder 2 arranged below the guide cylinder 1 in parallel, a heating device 101 is arranged on the outer wall of the guide cylinder 1, a heat insulation layer 102 is wrapped outside the heating device 101, a rotating shaft 3 is coaxially arranged inside the guide cylinder 1, a spiral material feeding sheet 301 is welded on the outer wall of the rotating shaft 3, one end of the rotating shaft 3 penetrates through the guide cylinder 1 and extends to the outside of the guide cylinder 1, a bearing 302 is arranged between the rotating shaft 3 and the guide cylinder 2, a gear 303 is welded on the outer wall of the rotating shaft 3 located outside the guide cylinder 1, a feeding pipe 103 is arranged on one side of the top of the guide cylinder 1, and the feeding pipe 103 is communicated with the inside of the guide cylinder 1, a feed hopper 104 is arranged at the top of the feed pipe 103, a discharge port 105 is arranged at the bottom of the guide cylinder 1 on the side far away from the feed pipe 103, a first heating device 201 is arranged on the inner wall of the first guide cylinder 2, a first heat-insulating layer 202 is wrapped outside the first heating device, a first rotating shaft 4 is coaxially arranged inside the first guide cylinder 2, a first spiral material feeding sheet 401 is welded on the outer wall of the first rotating shaft 4, one end of the first rotating shaft 4 penetrates through the first guide cylinder 2 and extends to the outside of the first guide cylinder 2, a first bearing 402 is arranged between the first rotating shaft 4 and the first guide cylinder 2, a first gear 403 is welded on the outer wall of the part of the first rotating shaft 4 located outside the first guide cylinder 2, a feed port 203 is arranged at the top of the first guide cylinder 2 corresponding to the discharge port 105, an extrusion nozzle 204 for extruding the molten plastic is arranged at the end of the first material guiding cylinder 2 far away from the feeding hole 203, a connecting pipe 5 is arranged between the feed inlet 203 and the discharge outlet 105, a fixing plate 6 is vertically arranged at one side of the first guide cylinder 2, a connecting plate 601 and a first connecting plate 602 are welded at one side of the fixing plate 6, a motor 7 is fixed on the upper end face of the connecting plate by screws, a second gear 701 matched with the gear 303 is arranged at the output end of the motor 7, a first motor 702 is fixed on the upper end face of the first connecting plate 602 by screws, a third gear 703 matched with the first gear 403 is arranged at the output end of the first motor 702, a connecting rod 603 is welded between the connecting plate 601 and the fixing plate 6, and a plurality of support rods 604 are welded at the bottom of the first connecting plate 602.
The utility model discloses in the embodiment of a preferred, heating device 101 and first heating device 401 all include a shell 9 inboard is formed with a cavity 901 that fills the conduction oil, is equipped with one in the outside of shell 9 and gives the electro-heat equipment 902 that the conduction oil heating was used a pressure release pipe 903 is installed at the top of shell, is equipped with relief valve 904 on pressure release pipe 903.
The utility model discloses in the embodiment of a preferred, the length of connecting pipe 5 is 30 centimetres the outer wall parcel of connecting pipe 5 has insulation material 501, reduces the heat loss of the material of moulding plastics when connecting pipe 5.
In a preferred embodiment of the present invention, a shaft seal (not shown) is disposed between the bearing 302 and the guide cylinder 1, and the first bearing 402 and the first guide cylinder 2 are disposed with a first shaft seal (not shown) therebetween to prevent the injection molding material from seeping out and causing waste.
The utility model discloses in the embodiment of a preferred the welding has fixed bolster 106 between guide cylinder 1 and the first guide cylinder 2, makes guide cylinder 1 with it is more stable between the first guide cylinder 2.
In the preferred embodiment of the present invention, the bottom of the first guide cylinder 2 is provided with a plurality of legs 205, and the legs 205 and the support rods 604 are welded with fixing rods 206.
The utility model discloses in the embodiment of a preferred the outside of guide cylinder 1 and first guide cylinder 2 all is provided with temperature control device 8, temperature control device 8 is connected respectively heating device 201 with first heating device 202, the workman can control according to the different melting point of the material of moulding plastics heating device 201 and first heating device 202 preset the temperature.
In a preferred embodiment of the present invention, the temperature control device 8 comprises a temperature display 801 and a temperature regulator 802, which is convenient for workers to observe and use.
In a preferred embodiment of the present invention, the control device 8, the motor 7 and the first motor 702 are all connected to an electrical cabinet (not shown).
The utility model discloses in the embodiment of a preferred, the diameter of guide cylinder 1 is greater than the diameter of first guide cylinder 2, because the speed that the injection moulding material flows is at the uniform velocity, so the time of injection moulding material in the guide cylinder can be longer than the time in first guide cylinder, can fully preheat, and it prepares to preheat for preheating next time.
In the preferred embodiment of the present invention, the motor 7 and the first motor 702 are servo motors.
The working principle of the utility model is as follows; during production and processing, the temperature of the heating device and the first heating device is set by a worker according to the melting point of the injection molding material, the temperature preset by the heating device is 85% -95% of the melting point temperature of the injection molding material generally, because the diameter of the guide cylinder is larger than that of the first guide cylinder, and the flow of the injection molding material is realized through the rotating speed of the rotating shaft and the rotating speed of the first rotating shaft, the injection molding material is preheated in the guide cylinder for a longer time, the injection molding material is preheated more uniformly, and then enters the first guide cylinder through the connecting pipe, and is heated in the first material pouring cylinder again, because the diameter of the first guide cylinder is relatively small, the injection molding material can be rapidly heated to the melting point, and then is injected into a mold.
The utility model has the advantages that: compared with a traditional extruder, the product is heated twice, so that the injection molding material is more fully melted, the qualification rate of the product is improved, the structure is simple, the operation is convenient, and the extruder is suitable for popularization.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (11)
1. A double-screw extruder capable of fully melting injection molding materials is characterized in that: the feeding device comprises a horizontally placed guide cylinder and a first guide cylinder arranged below the guide cylinder in parallel, wherein a heating device is arranged on the outer wall of the guide cylinder, a heat insulation layer is wrapped outside the heating device, a rotating shaft is coaxially arranged inside the guide cylinder, a spiral material feeding piece is welded on the outer wall of the rotating shaft, one end of the rotating shaft penetrates through the guide cylinder and extends to the outside of the guide cylinder, a bearing is arranged between the rotating shaft and the guide cylinder, a gear is welded on the part of the outer wall of the rotating shaft, which is positioned outside the guide cylinder, a feeding pipe is arranged on one side of the top of the guide cylinder, the feeding pipe is communicated with the inside of the guide cylinder, a feeding hopper is arranged on the top of the feeding pipe, and a discharging port is arranged on the side, which is far away from the feeding pipe, of the bottom of the guide cylinder, a first heating device is arranged on the outer wall of the first material guide cylinder, a first heat-insulating layer is wrapped outside the first heating device, a first rotating shaft is coaxially arranged inside the first material guide cylinder, a first spiral material feeding piece is welded on the outer wall of the first rotating shaft, one end of the first rotating shaft penetrates through the first material guide cylinder and extends to the outside of the first material guide cylinder, a first bearing is arranged between the first rotating shaft and the first material guide cylinder, a first gear is welded on the outer wall of the part, located outside the first material guide cylinder, of the first rotating shaft, a material inlet is formed in the position, corresponding to the material outlet, of the top of the first material guide cylinder, an extruding nozzle for extruding molten plastic is arranged at the end, far away from the material inlet, of the first material guide cylinder, and a connecting pipe is arranged between the material inlet and the material outlet, the vertical fixed plate that is provided with in one side of first guide cylinder one side welding of fixed plate has connecting plate and first connecting plate the up end screw fixation of connecting plate has the motor the output of motor be provided with gear complex second gear the up end screw fixation of first connecting plate has first motor the output setting of first motor with first gear complex third gear the connecting plate with the welding has the connecting rod between the fixed plate the welding of the bottom of first connecting plate has a plurality of bracing pieces.
2. The twin-screw extruder according to claim 1, wherein the twin-screw extruder is capable of melting the injection molding material sufficiently, and comprises: the heating device and the first heating device both comprise a shell, a cavity filled with heat conduction oil is formed on the inner side of the shell, an electric heating device used for heating the heat conduction oil is assembled outside the shell, a pressure relief pipe is installed at the top of the shell, and a pressure relief valve is assembled on the pressure relief pipe.
3. The twin-screw extruder according to claim 1, wherein the twin-screw extruder is capable of melting the injection molding material sufficiently, and comprises: the length of the connecting pipe is 10-50 cm, and the outer wall of the connecting pipe is wrapped with a heat-insulating material.
4. The twin-screw extruder according to claim 1, wherein the twin-screw extruder is capable of melting the injection molding material sufficiently, and comprises: and a shaft seal is arranged between the bearing and the guide cylinder, and a first shaft seal is arranged between the first bearing and the first guide cylinder.
5. The twin-screw extruder according to claim 1, wherein the twin-screw extruder is capable of melting the injection molding material sufficiently, and comprises: and a fixed bracket is welded between the material guide cylinder and the first material guide cylinder.
6. The twin-screw extruder according to claim 1, wherein the twin-screw extruder is capable of melting the injection molding material sufficiently, and comprises: the bottom of the first material guide cylinder is provided with a plurality of supporting legs, and fixing rods are welded between the plurality of supporting legs and the plurality of supporting rods.
7. The twin-screw extruder according to claim 1, wherein the twin-screw extruder is capable of melting the injection molding material sufficiently, and comprises: and temperature control devices are arranged outside the material guide cylinder and the first material guide cylinder and are respectively connected with the heating device and the first heating device.
8. The twin-screw extruder according to claim 7, which is capable of sufficiently melting an injection molding material, characterized in that: the temperature control device comprises a temperature display and a temperature regulator.
9. The twin-screw extruder according to claim 7, which is capable of sufficiently melting an injection molding material, characterized in that: the temperature control device, the motor and the first motor are all connected to the electric appliance cabinet.
10. The twin-screw extruder according to claim 1, wherein the twin-screw extruder is capable of melting the injection molding material sufficiently, and comprises: the diameter of the material guide cylinder is larger than that of the first material guide cylinder.
11. The twin-screw extruder according to claim 1, wherein the twin-screw extruder is capable of melting the injection molding material sufficiently, and comprises: the motor and the first motor are both servo motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922464685.6U CN212045909U (en) | 2019-12-31 | 2019-12-31 | Double-screw extruder capable of fully melting injection molding material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922464685.6U CN212045909U (en) | 2019-12-31 | 2019-12-31 | Double-screw extruder capable of fully melting injection molding material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212045909U true CN212045909U (en) | 2020-12-01 |
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ID=73536484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922464685.6U Active CN212045909U (en) | 2019-12-31 | 2019-12-31 | Double-screw extruder capable of fully melting injection molding material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212045909U (en) |
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2019
- 2019-12-31 CN CN201922464685.6U patent/CN212045909U/en active Active
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