CN216941389U

CN216941389U - PVC foaming granulation equipment

Info

Publication number: CN216941389U
Application number: CN202123451554.8U
Authority: CN
Inventors: 路兵
Original assignee: Taizhou Lubang Chemical Trade Co ltd
Current assignee: Taizhou Lubang Chemical Trade Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-07-12
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses PVC foaming and granulating equipment, which belongs to the technical field of PVC granulation, and comprises an extruder component, wherein the extruder component comprises a sleeve and an extrusion screw arranged in the sleeve, and the extruder component also comprises a screw core temperature control component for controlling the temperature inside the extrusion screw, a water jacket temperature control component for controlling the temperature outside the extrusion screw and a heating ring temperature control component. The temperature control assembly is combined with the screw core temperature control assembly to realize cooling, wherein the water jacket temperature control assembly is arranged outside the extrusion screw and used for cooling the outside of the extrusion screw, the screw core temperature control assembly is arranged inside the extrusion screw and used for cooling the inside of the extrusion screw, and the heating is realized through the heating ring temperature control assembly, so that the accurate control of the temperature in the PVC granulation process is realized under the synergistic effect of the three components.

Description

PVC foaming granulation equipment

Technical Field

The utility model belongs to the technical field of PVC granulation, and particularly relates to PVC foaming granulation equipment.

Background

The main machine of the plastic granulator is a plastic extruding machine which consists of an extruding system, a transmission system and a heating and cooling system, the plastic extruding machine divides a machine head into an oblique angle machine head and a right angle machine head according to the included angle between the material flow direction of the machine head and the central line of a screw rod, the shell of the machine head is fixed on a machine body by bolts, a mould in the machine head is provided with a mould core seat and is fixed at the wire inlet port of the machine head by nuts, the front of the mould core seat is provided with mould cores, and the centers of the mould cores and the mould core seat are provided with holes for passing core wires; a pressure equalizing ring is arranged at the front part of the machine head and is used for equalizing pressure; the extrusion forming part consists of a die sleeve seat and a die sleeve, the position of the die sleeve can be adjusted by a bolt through supporting so as to adjust the relative position of the die sleeve to the die core, the uniformity of the thickness of the extrusion layer is convenient to adjust, and a heating device and a temperature measuring device are arranged outside the machine head.

Chinese patent document CN105984109B provides an extruder. The extruder includes: a barrel portion having a temperature control medium space; the extruding screw rod is rotatably arranged in the barrel body part and comprises a screw rod introducing section, a screw rod plasticizing section and a screw rod extruding section which are sequentially arranged along the axial direction of the screw rod, and the depth of a screw groove of the screw rod plasticizing section is smaller than that of the screw groove of the screw rod introducing section. The existing extruder has relatively low discharging quality although the extruding efficiency is relatively high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide PVC foaming and granulating equipment to solve the problems of the existing granulator in the use process in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a PVC foaming granulation equipment, includes the extruder subassembly, the extruder subassembly includes the sleeve and sets up extrusion screw rod in the sleeve, the extruder subassembly still includes right the inside screw core accuse temperature subassembly that carries out the accuse temperature of extrusion screw rod and right extrude the outside water jacket accuse temperature subassembly and the heating ring accuse temperature subassembly that carries out the accuse temperature of extrusion screw rod.

Preferably, the water jacket temperature control assembly comprises a plurality of water jackets which are uniformly distributed along the length direction of the sleeve, and a first water inlet pipeline and a first water outlet pipeline which are connected with the water jackets.

Preferably, the heating ring temperature control assembly comprises a plurality of heating rings which are uniformly distributed along the length direction of the sleeve, and the heating rings and the water jacket are arranged in a staggered manner.

Preferably, the screw core temperature control assembly comprises a central channel arranged in the extrusion screw and a connecting pipeline communicated with the central channel.

Preferably, the connecting pipeline is externally connected with a second water inlet pipeline and a second water outlet pipeline, and the second water inlet pipeline is communicated with the first water inlet pipeline.

Preferably, a speed reducer and a granulator are respectively arranged at two ends of the extruder assembly, and the speed reducer and the granulator are connected with the extruder assembly through connecting parts.

Preferably, the speed reducer further comprises a heat dissipation assembly for cooling the speed reducer.

Preferably, the heat dissipation assembly comprises a third water inlet pipeline and a third water outlet pipeline which are arranged on the speed reducer, and the third water inlet pipeline is communicated with the first water inlet pipeline.

Preferably, the sleeve is provided with a feed inlet.

Preferably, the extruder further comprises a support assembly for supporting the extruder assembly, wherein the support assembly comprises a support table and a support block directly contacting the extruder assembly.

Compared with the prior art, the utility model has the beneficial effects that:

1. the temperature control assembly is combined with the screw core temperature control assembly to realize cooling, wherein the water jacket temperature control assembly is arranged outside the extrusion screw and used for cooling the outside of the extrusion screw, the screw core temperature control assembly is arranged inside the extrusion screw and used for cooling the inside of the extrusion screw, and the heating is realized through the heating ring temperature control assembly, so that the accurate control of the temperature in the PVC granulation process is realized under the synergistic effect of the three components.

2. The heating rings and the water jackets are arranged in a staggered mode, so that the extruding screw can be divided into different temperature control sections, and the adjacent water jackets and the heating rings are responsible for temperature control of one section of extruding screw, so that the temperature control accuracy is improved.

Drawings

FIG. 1 is a first general structural diagram of the present invention;

FIG. 2 is a second overall view of the present invention;

FIG. 3 is a schematic view of the extrusion screw structure of the present invention;

FIG. 4 is a schematic structural view of a temperature control assembly of the screw core of the present invention;

fig. 5 is a third schematic view of the overall structure of the present invention.

In the figure: 1. an extruder assembly; 2. extruding a screw; 3. a sleeve; 4. a feed inlet; 5. a connecting member; 6. a granulator; 7. a speed reducer; 8. a water jacket temperature control assembly; 9. a heating ring temperature control assembly; 10. a screw core temperature control assembly; 11. a water jacket; 12. a first water inlet pipe; 13. a first outlet conduit; 14. a central channel; 15. connecting a pipeline; 16. a second water inlet pipe; 17. a second outlet conduit; 18. a heat dissipating component; 19. a third water inlet pipeline; 20. a third outlet conduit; 21. heating a ring; 22. a support assembly; 23. a support table; 24. and (7) a supporting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a PVC foaming granulation equipment, includes extruder subassembly 1, and extruder subassembly 1 includes sleeve 3 and sets up extrusion screw 2 in sleeve 3, is provided with feed inlet 4 on the sleeve 3, and extruder subassembly 1 still includes to extrude 2 inside screw cores accuse temperature subassembly 10 that control the temperature and to extrude 2 outside water jacket accuse temperature subassembly 8 and the heating ring accuse temperature subassembly 9 that control the temperature of extruding the screw.

In the production process of PVC granulation, in order to ensure the product quality, the temperature in the PVC extrusion process needs to be strictly controlled, because the temperature of PVC in the extrusion process can be continuously increased, in order to inhibit the increase of the temperature of a PVC raw material, a corresponding cooling system needs to be arranged, and meanwhile, in order to compensate the reduced temperature, a heating system needs to be added, and the temperature requirement of PVC in the extrusion process is ensured through the synergistic action of the cooling system and the heating system, the utility model adopts the combination of a water jacket temperature control component and a screw core temperature control component 10 to realize cooling, wherein the water jacket temperature control component 8 is arranged outside the extrusion screw 2 and is used for cooling the outside of the extrusion screw 2, the screw core temperature control component 10 is arranged inside the extrusion screw 2 and is used for cooling the inside of the extrusion screw 2, the heating is realized through a heating ring temperature control component 9, and the three are in synergistic action, the temperature in the PVC granulation process is accurately controlled, and meanwhile, in order to solve the problem that the PVC raw material is heated unevenly in the processing process, the depth of the screw teeth of the extrusion screw 2 is less than 1-2cm compared with that of a conventional extrusion screw.

In this embodiment, the water jacket temperature control assembly 8 includes a plurality of water jackets 11 uniformly arranged along the length direction of the sleeve 3, and a first water inlet pipe 12 and a first water outlet pipe 13 connected to the water jackets 11, the heating ring temperature control assembly 9 includes a plurality of heating rings 21 uniformly arranged along the length direction of the sleeve 3, the heating rings 21 and the water jackets 11 are alternately arranged, the water jackets 11 and the heating rings 21 are both alternately arranged along the length direction of the sleeve 3 or the axial direction of the extrusion screw 2, that is, the heating rings 21 are arranged between adjacent water jackets 11, the water jackets 11 are arranged between adjacent heating rings 21, preferably, the number of the water jackets 11 and the heating rings 21 is 4, that is, the temperature section of the extrusion screw 2 is composed of four parts, wherein the temperature of the die head part is about 115 degrees, the temperature of the remaining three parts is about 120 degrees, the extrusion screw 2 can be divided into different temperature control sections by alternately arranging the heating rings 21 and the water jackets 11, the adjacent water jacket 11 and the heating ring 21 are responsible for temperature control of the section of the extrusion screw 2, and the accuracy of temperature control is improved.

In this embodiment, the screw core temperature control assembly 10 includes a central channel 14 disposed in the extrusion screw 2 and a connecting pipe 15 communicated with the central channel 14, the screw core temperature control assembly 10 is a temperature control system cooperating with the water jacket temperature control assembly 8 and is used for cooling the interior of the extrusion screw 2, the screw core temperature control assembly 10 includes the central channel 14 and the connecting pipe 15 disposed at the central position of the extrusion screw 2, a second water inlet pipe 16 and a second water outlet pipe 17 are disposed outside the connecting pipe 15, the connecting pipe 15 is externally connected with the second water inlet pipe 16 and the second water outlet pipe 17, the second water inlet pipe 16 is communicated with the first water inlet pipe 12, external cooling water enters the central channel 14 through the second water inlet pipe 16 and then flows out through the second water outlet pipe 17, meanwhile, the second water inlet pipe 16 is communicated with the first water inlet pipe 12, and the external cooling water enters the water jacket 11 and the central channel 14 through the first water inlet pipe 12 and the second water inlet pipe 16, respectively In, later flow out through first outlet conduit 12 and second outlet conduit 17, the outside is provided with equipment such as water tower and water pump simultaneously, and external equipment passes through inlet channel and outlet conduit and connects to form corresponding water-cooling return circuit, realize the cyclic utilization to the water resource and guarantee water cooling system's continuous operation.

In this embodiment, 1 both ends of extruder subassembly are provided with speed reducer 7 and pelleter 6 respectively, and speed reducer 7 and pelleter 6 all are connected with extruder subassembly 1 through adapting unit 5, and speed reducer 7 and pelleter 6 are the equipment with extruder subassembly 1 synergism for realize complete granulation process.

In this embodiment, still include the radiator unit 18 that carries out the cooling to speed reducer 7, radiator unit 18 is including setting up third inlet channel 19 and third outlet conduit 20 on speed reducer 7, third inlet channel 19 and first inlet channel 12 UNICOM, in granulator production process, except can rising temperature in the extruder subassembly 1, speed reducer 7 also can rise temperature in the operation process, in order to guarantee the normal operating of whole equipment, this granulation equipment still is equipped with the radiator unit 18 that carries out the cooling to speed reducer 7, radiator unit 18 mainly includes third inlet channel 19 and the third outlet conduit 20 of being connected with this speed reducer 7, third inlet channel 19 and first inlet channel 13 UNICOM, this radiator unit 18 and water jacket temperature control component 8 and screw core temperature control component 10 share one set of water cooling system, can the synergism.

In this embodiment, still include the supporting component 22 that supports extruder component 1, supporting component 22 includes brace table 23 and the supporting shoe 24 of direct and extruder component 1 contact, and supporting component 22 is used for supporting whole equipment, mainly comprises brace table 23 and supporting shoe 24, and wherein brace table 23 main part becomes four corners table form, and supporting shoe 24 is fixed on brace table 23 top and direct and extruder component 1 contact.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The PVC foaming granulation equipment is characterized in that: including extruder subassembly (1), extruder subassembly (1) includes sleeve (3) and sets up extrusion screw rod (2) in sleeve (3), extruder subassembly (1) still includes right screw rod core accuse temperature subassembly (10) and right that extrude screw rod (2) inside and control the temperature extrude the water jacket accuse temperature subassembly (8) and heating ring accuse temperature subassembly (9) that screw rod (2) outside was controlled the temperature.

2. The PVC foaming and pelletizing equipment according to claim 1, characterized in that: the water jacket temperature control assembly (8) comprises a plurality of water jackets (11) uniformly distributed along the length direction of the sleeve (3), and a first water inlet pipeline (12) and a first water outlet pipeline (13) which are connected with the water jackets (11).

3. The PVC foaming and pelletizing apparatus of claim 2, wherein: the heating ring temperature control assembly (9) comprises a plurality of heating rings (21) which are uniformly distributed along the length direction of the sleeve (3), and the heating rings (21) and the water jacket (11) are arranged in a staggered mode.

4. The PVC foaming granulation equipment as set forth in claim 3, characterized in that: the screw core temperature control assembly (10) comprises a central channel (14) arranged in the extrusion screw (2) and a connecting pipeline (15) communicated with the central channel (14).

5. The PVC foaming granulation equipment as set forth in claim 4, characterized in that: the connecting pipeline (15) is externally connected with a second water inlet pipeline (16) and a second water outlet pipeline (17), and the second water inlet pipeline (16) is communicated with the first water inlet pipeline (12).

6. The PVC foaming and pelletizing apparatus of claim 2, wherein: the extruder is characterized in that two ends of the extruder component (1) are respectively provided with a speed reducer (7) and a granulator (6), and the speed reducer (7) and the granulator (6) are connected with the extruder component (1) through connecting parts (5).

7. The PVC foaming granulation equipment as set forth in claim 6, characterized in that: the cooling device also comprises a heat dissipation assembly (18) for cooling the speed reducer (7).

8. The PVC foaming granulation equipment as set forth in claim 7, characterized in that: the heat dissipation assembly (18) comprises a third water inlet pipeline (19) and a third water outlet pipeline (20) which are arranged on the speed reducer (7), and the third water inlet pipeline (19) is communicated with the first water inlet pipeline (12).

9. The PVC foaming and pelletizing equipment according to claim 1, characterized in that: the sleeve (3) is provided with a feeding hole (4).

10. The PVC foaming granulation equipment as set forth in claim 1, characterized in that: the extruder further comprises a supporting component (22) for supporting the extruder component (1), wherein the supporting component (22) comprises a supporting platform (23) and a supporting block (24) which is directly contacted with the extruder component (1).