PPH plastic melt extruder
By combining segmented heating coils and water-cooling chambers, the problems of high energy consumption and inaccurate temperature control in PPH plastic melt extruders are solved, achieving precise heating and rapid cooling, and reducing heat loss.
Patent Information
- Application Number
- CN202520283697.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-21
AI Technical Summary
Existing PPH plastic melt extruders have high energy consumption, dissipate a lot of heat, have inaccurate temperature control, and cannot cool down rapidly.
The design combines segmented heating coils and a water-cooling chamber. The heating coils precisely heat the material, while the water-cooling chamber rapidly cools the coils. At the same time, hot air is used to preheat the material to reduce heat loss.
It achieves reduced energy consumption, improved temperature control accuracy, and rapid cooling, reducing heat loss.
Smart Images
Figure CN223803062U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of plastic extruder, specifically point to a kind of PPH plastic melt extruder. BACKGROUND
[0002] PPH is a kind of polypropylene material, it is a thermoplastic plastic, it is the high molecular compound polymerized from propylene monomer, with excellent physical properties and chemical properties, is widely used in various fields.
[0003] When using PPH plastic as raw material to produce articles, it is often necessary to melt and extrude, the extruder in the prior art is often only simple heating and temperature control function, but the extruder in the prior art has the following problems, first, the energy consumption is relatively high, and the heat is dissipated more, second, the temperature control is generally air-cooled, and the control is not accurate enough, and rapid cooling operation is not available. UTILITY MODEL CONTENT
[0004] The technical problem to be solved by the utility model is to provide a kind of PPH plastic melt extruder for reducing energy consumption and temperature control accuracy in view of the deficiencies in the above background art.
[0005] To solve the above technical problems, the technical scheme provided by the utility model is as follows: a kind of PPH plastic melt extruder, including support base, the support base top plate is connected with melt extruder, the rear end top plate of the melt extruder is connected with storage tank, the storage tank top is connected with the feeding pipe, the melt extruder is connected with the shell sleeve outside, the heating coil that the shell sleeve inside is connected is wrapped melt extruder, the heating coil is sectionally arranged, the water-cooling cavity is arranged in the shell sleeve inside and outside heating coil, the water-cooling cavity is sectionally arranged in cooperation with heating coil, the shell sleeve is connected with the cold water injection pipe and circulating drain pipe communicated with water-cooling cavity inside;
[0006] The support base side is connected with suction pump, the suction pump is connected with suction pipe and air outlet pipe, the suction pipe is connected with air inlet ring pipe, the air inlet ring pipe is connected with the first air duct communicated with heating coil layer, the air outlet pipe end is connected with air outlet ring pipe, the air outlet ring pipe is connected with a plurality of second air duct communicated with storage tank inner bottom.
[0007] Further, the shell sleeve is connected with a plurality of first temperature sensors in the heating coil, the water-cooling cavity is connected with second temperature sensor, the storage tank inner bottom is connected with third temperature sensor, which facilitates temperature setting of the corresponding position.
[0008] Further, the cold water injection pipe is provided with a first one-way valve and a first flow control valve, and the circulating drainage pipe is provided with a second one-way valve and a second flow control valve, so that the flow direction and flow rate are controlled conveniently.
[0009] Further, the storage tank is provided with a first filter screen matched with the second air guide pipe, so that the material is prevented from flowing out through the second air guide pipe.
[0010] Further, the front side of the shell sleeve is provided with a plurality of air inlets matched with the first air guide pipe, and the air inlets are provided with a second filter screen, so that air is conveniently introduced and filtered.
[0011] Compared with the prior art, the PPH plastic melting extruder has the advantages that: the water cooling is arranged on the outer side of the coil layer, and is matched with the heating coil and the multi-section water cooling cavity, so that the inside melting extruder can be rapidly cooled and precisely temperature-controlled, and the preheating is realized by introducing hot air into the storage tank, so that the heat loss is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0012] Fig. 1 is a first structure schematic view of the PPH plastic melting extruder.
[0013] Fig. 2 is a second structure schematic view of the PPH plastic melting extruder.
[0014] Fig. 3 is a sectional structure schematic view of the PPH plastic melting extruder.
[0015] As shown in the drawings: 1, support base; 2, melting extruder; 3, storage tank; 4, feeding pipe; 5, shell sleeve; 6, heating coil; 7, water cooling cavity; 8, cold water injection pipe; 9, circulating drainage pipe; 10, first temperature sensor; 11, second temperature sensor; 12, first one-way valve; 13, second one-way valve; 14, first flow control valve; 15, second flow control valve; 16, air pump; 17, air suction pipe; 18, air inlet ring pipe; 19, first air guide pipe; 20, air outlet pipe; 21, air outlet ring pipe; 22, second air guide pipe; 23, first filter screen; 24, air inlet; 25, second filter screen; 26, third temperature sensor. DETAILED DESCRIPTION
[0016] The utility model makes further detailed description in combination with the drawings.
[0017] In combination with the drawings Figs. 1-3The utility model provides a PPH plastic melting extruder, including support base 1, top plate connection of support base 1 is equipped with melting extruder 2, back end top plate connection of melting extruder 2 is equipped with storage tank 3, top connection of storage tank 3 is equipped with feeding pipe 4, external connection of melting extruder 2 is equipped with shell cover 5, the inside connection of shell cover 5 is equipped with the heating coil 6 of wrapping melting extruder 2, the segmented setting of heating coil 6, namely heating coil 6 is multi -section temperature control, through multi -section temperature control can correspond precision to corresponding position and carry out heating operation, the water -cooled cavity 7 of heating coil 6 outside is equipped with in the inside of shell cover 5, water -cooled cavity 7 is segmented with heating coil 6, and water -cooled cavity 7 is set with heating coil 6 layer, so as to can carry out water -cooled temperature control operation to corresponding heating coil 6 layer by cooperation segmented setting, namely the shell cover 5 connection is equipped with with water -cooled cavity 7 intercommunication's cold water injection pipe 8 and circulating drain pipe 9, the first check valve 12 and first flow control valve 14 are connected on cold water injection pipe 8, the second check valve 13 and second flow control valve 15 are connected on circulating drain pipe 9, through the first check valve 12 and the second check valve 13, the water flow direction problem in water -cooled cavity 7 is convenient, and simultaneously through first flow control valve 14 and second flow control valve 15, water flow velocity can be conveniently controlled, to further control the injection and discharge operation of cold water, and cold water injection pipe 8 and circulating drain pipe 9 need external connection cold water circulating equipment, protect refrigeration water tank and water pump, this is common prior art, so do not make more superfluous words.
[0018] The support base 1 is connected with an air suction pump 16 on one side, the air suction pump 16 is connected with an air suction pipe 17 and an air outlet pipe 20, the air suction pipe 17 is connected with an air inlet ring pipe 18, the air inlet ring pipe 18 is connected with a first air guide pipe 19 in communication with the heating coil 6 layer, and the air outlet pipe 20 is connected with an air outlet ring pipe 21 at the end, the air outlet ring pipe 21 is connected with a plurality of second air guide pipes 22 in communication with the bottom of the storage tank 3, the hot air in the heating coil 6 layer can be extracted through the cooperation of the air suction pump 16, the air suction pipe 17, the air inlet ring pipe 18 and the first air guide pipe 19, and the hot air can be input into the storage tank 3 through the air outlet pipe 20, the air outlet ring pipe 21 and the second air guide pipes 22, so that the material can be preheated, thereby reducing the heat loss, the storage tank 3 is connected with a first filter screen 23 matched with the second air guide pipe 22, the size of the mesh of the first filter screen 23 is set according to the size of the material, only the mesh that prevents the material from being stuck on the mesh of the first filter screen 23 is needed, a plurality of air inlets 24 matched with the first air guide pipe 19 are arranged on the front side of the shell cover 5, and a second filter screen 25 is connected in the air inlet 24, the air suction operation of the rear end can be facilitated through the cooperation of the air inlet 24 and the second filter screen 25, and the filtration of the gas can be facilitated through the second filter screen 25 to prevent foreign matters from entering.
[0019] The shell sleeve 5 is located in the heating coil 6 and is connected with a plurality of first temperature sensors 10, the water cooling cavity 7 is connected with a second temperature sensor 11, and the bottom of the storage box 3 is connected with a third temperature sensor 26.
[0020] The above describes the utility model and its implementation mode, and the description is not restrictive, and the embodiment shown in the drawings is only one of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired, similar structure modes and embodiments can be designed without departing from the creative purpose of the utility model, and all should belong to the protection scope of the utility model.
Claims
1. A PPH plastic melt extruder, comprising a support base (1), wherein a melt extruder (2) is connected to the top plate of the support base (1), a storage tank (3) is connected to the rear top plate of the melt extruder (2), a feeding port (4) is connected to the top of the storage tank (3), an outer shell (5) is connected to the outside of the melt extruder (2), and a heating coil (6) for wrapping the melt extruder (2) is connected to the inner side of the outer shell (5), characterized in that: The heating coil (6) is segmented, the outer shell (5) is provided with a water cooling cavity (7) outside the heating coil (6), the water cooling cavity (7) is matched with the segmented heating coil (6), and the outer shell (5) is connected with a cold water injection pipe (8) and a circulating drainage pipe (9) in communication with the water cooling cavity (7); One side of the supporting base (1) is connected with an air suction pump (16), the air suction pump (16) is connected with an air suction pipe (17) and an air outlet pipe (20), the air suction pipe (17) is connected with an air inlet ring pipe (18), the air inlet ring pipe (18) is connected with a first air guide pipe (19) in communication with the heating coil (6), and the air outlet pipe (20) is connected with an air outlet ring pipe (21) at one end.
2. A PPH plastic melt extruder as claimed in claim 1, characterized in that: The outer shell (5) is connected with a plurality of first temperature sensors (10) in the heating coil (6), the water cooling cavity (7) is connected with a second temperature sensor (11), and the bottom of the storage tank (3) is connected with a third temperature sensor (26).
3. A PPH plastic melt extruder as defined in claim 1, characterized in that: The cold water injection pipe (8) is connected with a first one-way valve (12) and a first flow control valve (14), and the circulating drainage pipe (9) is connected with a second one-way valve (13) and a second flow control valve (15).
4. A PPH plastic melt extruder as defined in claim 1, characterized in that: The storage tank (3) is connected with a first filter screen (23) matched with the second air guide pipe (22).
5. A PPH plastic melt extruder as defined in claim 1, characterized in that: The front side of the outer shell (5) is provided with a plurality of air inlets (24) matched with the first air guide pipe (19), and the air inlets (24) are connected with second filter screens (25).