CN111605160A - Double-water-channel cooling control extrusion molding die - Google Patents

Double-water-channel cooling control extrusion molding die Download PDF

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Publication number
CN111605160A
CN111605160A CN202010601504.4A CN202010601504A CN111605160A CN 111605160 A CN111605160 A CN 111605160A CN 202010601504 A CN202010601504 A CN 202010601504A CN 111605160 A CN111605160 A CN 111605160A
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CN
China
Prior art keywords
water
cooling
connector
water inlet
main part
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Pending
Application number
CN202010601504.4A
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Chinese (zh)
Inventor
曾令章
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Ganzhou Hengxin Plastic Industry Co ltd
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Ganzhou Hengxin Plastic Industry Co ltd
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Priority to CN202010601504.4A priority Critical patent/CN111605160A/en
Publication of CN111605160A publication Critical patent/CN111605160A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • B29C48/87—Cooling

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The invention discloses a double-water-channel cooling control extrusion molding die which comprises a die main body, a connector, a rod discharging head, a first water cooling mechanism and a second cooling mechanism, wherein the first water cooling mechanism is positioned on the connector, the second water cooling mechanism is positioned on the die main body, the connector is positioned at one end of a feed inlet of the die main body, the connector is fixedly welded with one end of the feed inlet of the die main body, the rod discharging head is positioned at one end of a discharge outlet of the die main body, the rod discharging head is fixedly welded with one end of the discharge outlet of the die main body, and an extrusion die cavity is arranged in the die main body. According to the invention, by arranging the first water cooling mechanism and the second water cooling mechanism, the first water cooling mechanism can control the shaping size of the extrusion molding material to be more standard when the extrusion molding material enters the cavity of the forming die, the shaping size can be adjusted slightly at any time, the shaping size and the precision of the extrusion molding product are improved, and the second water cooling mechanism can ensure that the product is more stably and smoothly shaped and separated from the die cavity after the extrusion molding product is precisely shaped, so that the product percent of pass is improved, and the rejection rate is reduced.

Description

Double-water-channel cooling control extrusion molding die
Technical Field
The invention relates to the technical field of extrusion molding dies, in particular to a double-water-channel cooling control extrusion molding die.
Background
The extrusion molding die is a die for producing plastic profile products with continuous shapes, also called an extrusion molding head or a die head, in the processing, generally, polymers in powder or granular forms are added into a machine barrel of an extruder, the polymers move forwards along a screw groove or the machine barrel under the action of a screw or a plunger, are gradually melted to become viscous fluid, then pass through a die arranged at the end part of the machine barrel to form a continuous body with the shape similar to the shape of a die of the die, and finally, after cooling and shaping, products with required shapes, such as various plastic pipe bars, sheets, plastic steel doors and windows, films, decorative skirting lines and the like, can be molded. Therefore, the design of the extrusion die is very important.
However, when current extrusion molding mould used, adopt single water channel cooling structure mostly, lead to in the use, design size was more standard when can not making the extrusion molding material get into the forming die chamber, lead to the size and the precision of extrusion molding product accurate inadequately, and design drawing of patterns effect is not good, lead to the rejection rate of product high, and the qualification rate of product is low, influences the use, needs improve.
Disclosure of Invention
The invention aims to provide a double-water-channel cooling control extrusion molding die, which aims to solve the problems that when the existing extrusion molding die in the background art is used, a single-water-channel cooling structure is mostly adopted, so that the sizing size is more standard when an extrusion molding material cannot enter a forming die cavity in the using process, the size and the precision of an extrusion molding product are not accurate enough, the sizing and demolding effect is poor, the rejection rate of the product is high, the qualification rate of the product is low, and the use is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: two water course cooling control extrusion molding mould, including mould main part, connector, play excellent head, first water cooling body and second cooling body, first water cooling body is located the connector, second water cooling body is located the mould main part, the connector is located the feed inlet one end of mould main part, and the fixed welding of feed inlet one end of connector and mould main part, it is located the discharge gate one end of mould main part to go out excellent head, and goes out excellent head and the fixed welding of discharge gate one end of mould main part, the inside extrusion die cavity that is equipped with of mould main part, connector, play excellent first inside be equipped with respectively advance die cavity, play excellent mouth, advance die cavity, play excellent mouth are located extrusion die cavity both ends respectively and communicate with the extrusion die cavity.
Preferably, first water-cooling mechanism includes first cooling chamber, first water inlet, first delivery port, first cooling chamber is located inside the connector, and first cooling chamber encircles and establishes in the die cavity outside of advancing, first water inlet is located the connector bottom and communicates with first cooling chamber inside, first delivery port is located connector upper end and communicates with first cooling chamber inside.
Preferably, one end of the first water inlet is connected with a first water inlet pipe, a first water pressure gauge is arranged on the first water inlet pipe, and one end of the first water outlet is connected with a first water outlet pipe.
Preferably, the first water inlet pipe and the first water outlet pipe are both PVC hoses, and the first water inlet pipe and the first water outlet pipe are respectively connected with the first water inlet and the first water outlet in a sealing manner.
Preferably, second water cooling body includes second cooling chamber, second water inlet and second delivery port, second cooling chamber is located inside the mould main part, and second cooling chamber encircles and establishes in the extrusion die cavity outside, the second water inlet is located the mould main part bottom and is close to out excellent head one side, and inside intercommunication of second water inlet and second cooling chamber, the second delivery port is located the mould main part upper end and is close to connector one side, and inside intercommunication of second delivery port and second cooling chamber.
Preferably, one end of the second water inlet is connected with a second water inlet pipe, a second water pressure gauge is arranged on the second water inlet pipe, and one end of the second water outlet is connected with a second water outlet pipe.
Preferably, the second water inlet pipe and the second water outlet pipe are both PVC hoses, and the second water inlet pipe and the second water outlet pipe are respectively connected with the second water inlet and the second water outlet in a sealing manner.
Preferably, the connector is a disc, a mounting hole is formed in the connector in a penetrating mode, and the die body is fixedly connected with the heating die head through the mounting hole in a penetrating mode through a bolt.
The invention provides a double-water-channel cooling control extrusion molding die which has the following beneficial effects:
(1) according to the invention, by arranging the first water cooling mechanism and the second water cooling mechanism, the first water cooling mechanism can control the shaping size of the extrusion molding material to be more standard when the extrusion molding material enters the cavity of the forming die, the shaping size can be adjusted at any time, the shaping size and the precision of the extrusion molding product are improved, and the second water cooling mechanism can be adjusted to ensure that the product is more stably and smoothly shaped and separated from the die cavity after the extrusion molding product is precisely shaped, so that the product percent of pass is improved, and the rejection rate is greatly reduced.
(2) By adopting the double-water-channel cooling control mode, the invention can thoroughly solve the problems of accurate shaping of the extrusion molding product and unstable product percent of pass, which cannot be solved by the traditional single-water-channel cooling, effectively improves the product percent of pass, reduces the rejection rate and is convenient to popularize and use.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention.
In the figure: 1. a mold body; 2. a connector; 3. discharging the rod head; 4. a first water inlet; 5. a first water inlet pipe; 6. a first water pressure gauge; 7. a second water inlet; 8. a second water inlet pipe; 9. a second water pressure gauge; 10. a first water outlet; 11. a first water outlet pipe; 12. a second water outlet; 13. a second water outlet pipe; 14. mounting holes; 15. a rod outlet; 16. a first cooling chamber; 17. entering a die cavity; 18. a second cooling chamber; 19. and extruding the die cavity.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-3, the present invention provides a technical solution: two water course cooling control extrusion molding mould, including mould main part 1, connector 2, play excellent head 3, first water cooling body and second cooling body, first water cooling body is located connector 2, second water cooling body is located mould main part 1, connector 2 is located mould main part 1's feed inlet one end, and connector 2 and mould main part 1's feed inlet one end fixed weld, it is located mould main part 1's discharge gate one end to go out excellent head 3, and goes out excellent head 3 and mould main part 1's discharge gate one end fixed weld, mould main part 1 is inside to be equipped with extrusion die cavity 19, connector 2, play excellent head 3 are inside to be equipped with respectively into die cavity 17, play excellent mouth 15, into die cavity 17, play excellent mouth 15 are located extrusion die cavity 19 both ends respectively and communicate with extrusion die cavity 19.
First water-cooling mechanism includes first cooling chamber 16, first water inlet 4, first delivery port 10, first cooling chamber 16 is located 2 insides of connector, and first cooling chamber 16 encircles and establishes in the die cavity 17 outside of advancing, first water inlet 4 is located 2 bottoms of connector and communicates with 16 insides of first cooling chamber, first delivery port 10 is located 2 upper ends of connector and communicates with 16 insides of first cooling chamber, can pour into cooling water into first cooling chamber 16 through first water inlet 4, utilizes the cooling water in the first cooling chamber 16 to carry out the primary cooling to the extrusion molding material that gets into in connector 2 for design size is more standard when crowded plastics get into the forming die chamber, improves extrusion molding product shaping size and precision.
First water inlet 4 one end is connected with first inlet tube 5, be equipped with first water pressure gauge 6 on the first inlet tube 5, first delivery port 10 one end is connected with first outlet pipe 11, through setting up first inlet tube 5, can pour into the cooling water into first cooling chamber 16 through first inlet tube 5 in, can discharge the cooling water after using through first outlet pipe 11 simultaneously, guarantees to intake the cooling in succession.
First inlet tube 5, first outlet pipe 11 are the PVC hose, and first inlet tube 5, first outlet pipe 11 respectively with first water inlet 4, first delivery port 10 sealing connection, sealing connection can avoid the production of the phenomenon of leaking, using water wisely.
The second water cooling mechanism comprises a second cooling cavity 18, a second water inlet 7 and a second water outlet 12, the second cooling cavity 18 is positioned inside the die main body 1, the second cooling cavity 18 is annularly arranged outside the extrusion die cavity 19, the second water inlet 7 is positioned at the bottom of the die main body 1 and is close to one side of the rod head 3, the second water inlet 7 is communicated with the inside of the second cooling cavity 18, the second water outlet 12 is positioned at the upper end of the die main body 1 and is close to one side of the connector 2, the second water outlet 12 is communicated with the inside of the second cooling cavity 18, cooling water can be injected into the second cooling cavity 18 through the second water inlet 7, the cooling water filled in the second cooling cavity 18 is utilized to carry out secondary cooling on the extrusion molding materials in the extrusion die cavity 19, and after the accurate molding of the extrusion molding products is guaranteed in an adjustable mode, the products are more stably and smoothly shaped and separated from the die cavity, and, the rejection rate is greatly reduced and the used cooling water can be discharged through the second water outlet 12.
The second water inlet 7 one end is connected with the second inlet tube 8, be equipped with the second water pressure gauge 9 on the second inlet tube 8, second delivery port 12 one end is connected with second outlet pipe 13, can pour into the cooling water into second cooling chamber 18 through second inlet tube 7 through second inlet tube 8, utilizes the cooling water of second cooling chamber 18 intussuseption to carry out the secondary cooling to the extrusion molding material in the extrusion die cavity 19, utilizes second outlet pipe 13 to discharge unnecessary cooling water in the second cooling chamber 18 simultaneously, guarantees that the cooling water can pour into in the second cooling chamber 18 in succession, guarantees that the cooling effect is good.
The second water inlet pipe 8 and the second water outlet pipe 13 are both PVC hoses, and the second water inlet pipe 8 and the second water outlet pipe 13 are respectively in sealing connection with the second water inlet 7 and the second water outlet 12, so that the phenomenon of water leakage at the joints can be avoided through the sealing connection, and water is saved.
Connector 2 is the disc setting, and runs through on the connector 2 and be equipped with mounting hole 14, mould main part 1 runs through mounting hole 14 and heated die head fixed connection through the bolt, can be connected mould main part 1 through mounting hole 14 and heated die head, makes heated die head send into in connector 2 and the mould main part 1 after heating crowded plastics.
It should be noted that, two water channel cooling control extrusion molding mould, at work, can utilize the heating module to heat the extrusion molding material, then input in connector 2, and enter into mould main part 1 through connector 2, discharge the plastics finished product through excellent head 3 at last, when the extrusion molding material enters into in connector 2, the cooling water is carried through first inlet tube 5, and enter into first cooling chamber 16 through first water inlet 4, utilize the cooling water in the first cooling chamber 16 to carry out the primary cooling to the extrusion molding material that enters into in connector 2, it is more standard to make the sizing size when extrusion molding gets into the shaping mould chamber, improve extrusion molding product shaping size and precision, simultaneously can discharge the cooling water after using through first delivery port 10 and first outlet pipe 11, guarantee to intake the cooling in succession, guarantee that the cooling effect is good, second cooling chamber 18 injects the cooling water into second cooling chamber through second water inlet 7 and second inlet tube 8 simultaneously In the second cooling cavity 18, the extruded plastic material in the extrusion die cavity 19 is cooled for the second time by using cooling water filled in the second cooling cavity 18, so that the product is more stably and smoothly shaped and separated from the die cavity after the extruded plastic product is accurately formed, the product qualification rate is improved, the rejection rate is greatly reduced, the used cooling water can be discharged through the second water outlet 12, the continuous cooling work can be ensured, the cooling effect is good, and the finished product after secondary cooling forming is discharged through the rod outlet 15; by arranging the first water cooling mechanism and the second water cooling mechanism, the first water cooling mechanism can control the shaping size of an extrusion molding material to be more standard when the extrusion molding material enters the cavity of the forming die, the shaping size can be adjusted slightly at any time, the shaping size and the precision of an extrusion molding product are improved, the second water cooling mechanism can be adjusted to ensure that the extrusion molding product is shaped accurately and smoothly, and the product is separated from a die cavity, so that the qualification rate of the product is improved.
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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. Two water course cooling control extrusion molding mould, a serial communication port, including mould main part (1), connector (2), play excellent head (3), first water cooling body and second cooling body, first water cooling body is located connector (2), second water cooling body is located mould main part (1), connector (2) are located the feed inlet one end of mould main part (1), and the fixed welding of feed inlet one end of connector (2) and mould main part (1), it is located the discharge gate one end of mould main part (1) to go out excellent head (3), and goes out excellent head (3) and the fixed welding of discharge gate one end of mould main part (1), mould main part (1) inside is equipped with extrusion die cavity (19), connector (2), play excellent head (3) inside is equipped with respectively into die cavity (17), goes out excellent mouth (15), it has been said to advance die cavity (17), The bar outlets (15) are respectively positioned at two ends of the extrusion die cavity (19) and are communicated with the extrusion die cavity (19).
2. The dual-channel cooling control extrusion die of claim 1, wherein: first water-cooling mechanism includes first cooling chamber (16), first water inlet (4), first delivery port (10), first cooling chamber (16) are located inside connector (2), and first cooling chamber (16) encircle and establish in die cavity (17) outside of advancing, first water inlet (4) are located connector (2) bottom and communicate with first cooling chamber (16) inside, first delivery port (10) are located connector (2) upper end and communicate with first cooling chamber (16) inside.
3. The dual-channel cooling control extrusion die of claim 2, wherein: one end of the first water inlet (4) is connected with a first water inlet pipe (5), a first water pressure gauge (6) is arranged on the first water inlet pipe (5), and one end of the first water outlet (10) is connected with a first water outlet pipe (11).
4. The dual-channel cooling control extrusion die of claim 3, wherein: first inlet tube (5), first outlet pipe (11) are the PVC hose, and first inlet tube (5), first outlet pipe (11) respectively with first water inlet (4), first delivery port (10) sealing connection.
5. The dual-channel cooling control extrusion die of claim 1, wherein: second water cooling body includes second cooling chamber (18), second water inlet (7) and second delivery port (12), second cooling chamber (18) are located inside mould main part (1), and second cooling chamber (18) encircle and establish in extrusion die cavity (19) outside, second water inlet (7) are located mould main part (1) bottom and are close to excellent head (3) one side, and second water inlet (7) and second cooling chamber (18) inside intercommunication, second delivery port (12) are located mould main part (1) upper end and are close to connector (2) one side, and second delivery port (12) and second cooling chamber (18) inside intercommunication.
6. The dual-channel cooling control extrusion die of claim 5, wherein: one end of the second water inlet (7) is connected with a second water inlet pipe (8), a second water pressure gauge (9) is arranged on the second water inlet pipe (8), and one end of the second water outlet (12) is connected with a second water outlet pipe (13).
7. The dual-channel cooling control extrusion die of claim 6, wherein: the second water inlet pipe (8) and the second water outlet pipe (13) are both PVC hoses, and the second water inlet pipe (8) and the second water outlet pipe (13) are respectively connected with the second water inlet (7) and the second water outlet (12) in a sealing mode.
8. The dual-channel cooling control extrusion die of claim 1, wherein: the die is characterized in that the connector (2) is arranged in a disc mode, a mounting hole (14) penetrates through the connector (2), and the die body (1) penetrates through the mounting hole (14) through a bolt and is fixedly connected with the heating die head.
CN202010601504.4A 2020-06-29 2020-06-29 Double-water-channel cooling control extrusion molding die Pending CN111605160A (en)

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CN202010601504.4A CN111605160A (en) 2020-06-29 2020-06-29 Double-water-channel cooling control extrusion molding die

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Application Number Priority Date Filing Date Title
CN202010601504.4A CN111605160A (en) 2020-06-29 2020-06-29 Double-water-channel cooling control extrusion molding die

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CN111605160A true CN111605160A (en) 2020-09-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112897858A (en) * 2021-01-22 2021-06-04 常熟珈好模具科技有限公司 Glass bottle and can mold cooled by water circulation
WO2024187614A1 (en) * 2023-03-13 2024-09-19 池州市安安新材科技有限公司 Extruder for extrusion forming high-strength and high-ductility aluminum alloy melt and extrusion method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205522399U (en) * 2015-12-08 2016-08-31 杭州波达塑料科技股份有限公司 Pre -setting plastics tubular product mould
CN110549581A (en) * 2019-10-15 2019-12-10 湖北安信塑料模具有限公司 Rapid cooling co-extrusion PE wood-plastic mold
CN210026226U (en) * 2019-06-12 2020-02-07 湖北丰日管业有限公司 Pipe extrusion die

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205522399U (en) * 2015-12-08 2016-08-31 杭州波达塑料科技股份有限公司 Pre -setting plastics tubular product mould
CN210026226U (en) * 2019-06-12 2020-02-07 湖北丰日管业有限公司 Pipe extrusion die
CN110549581A (en) * 2019-10-15 2019-12-10 湖北安信塑料模具有限公司 Rapid cooling co-extrusion PE wood-plastic mold

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112897858A (en) * 2021-01-22 2021-06-04 常熟珈好模具科技有限公司 Glass bottle and can mold cooled by water circulation
WO2024187614A1 (en) * 2023-03-13 2024-09-19 池州市安安新材科技有限公司 Extruder for extrusion forming high-strength and high-ductility aluminum alloy melt and extrusion method thereof

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Application publication date: 20200901

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