CN111844585A - Thermoplastic material compression molding equipment and compounding method thereof - Google Patents
Thermoplastic material compression molding equipment and compounding method thereof Download PDFInfo
- Publication number
- CN111844585A CN111844585A CN202010706663.0A CN202010706663A CN111844585A CN 111844585 A CN111844585 A CN 111844585A CN 202010706663 A CN202010706663 A CN 202010706663A CN 111844585 A CN111844585 A CN 111844585A
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- CN
- China
- Prior art keywords
- die
- thermoplastic material
- female die
- female
- male
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000012815 thermoplastic material Substances 0.000 title claims abstract description 27
- 238000013329 compounding Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000000748 compression moulding Methods 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 239000004744 fabric Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 16
- 229920001169 thermoplastic Polymers 0.000 claims description 9
- 239000004416 thermosoftening plastic Substances 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 150000001875 compounds Chemical class 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 abstract 1
- 239000002131 composite material Substances 0.000 description 7
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000005485 electric heating Methods 0.000 description 4
- 239000012943 hotmelt Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 238000007723 die pressing method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/34—Feeding the material to the mould or the compression means
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/34—Feeding the material to the mould or the compression means
- B29C2043/3433—Feeding the material to the mould or the compression means using dispensing heads, e.g. extruders, placed over or apart from the moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
Abstract
The invention discloses a thermoplastic material compression molding equipment and a compounding method thereof, belonging to the field of automobile accessory processing, wherein the equipment comprises a female die, a male die which is positioned right above the female die and can move up and down, a driving mechanism which is connected with the male die and is used for driving the male die to move up and down, a spiral extruder which is positioned at one side of the female die and is used for extruding a thermoplastic material into the female die, and a driving module which is used for driving the spiral extruder to transversely move close to or far away from the female die; the outlet end of the screw extruder is close to the female die. The invention effectively reduces the manufacturing process and the cost of the equipment by changing the operation mode of the traditional equipment. Meanwhile, the invention also provides a thermoplastic material compounding method, which directly compounds the thermoplastic material and the fabric by mould pressing and has the characteristics of firm compounding, simple working procedure, high compounding efficiency and the like compared with the traditional compounding mode.
Description
Technical Field
The invention belongs to the technical field of automobile part processing, and particularly relates to thermoplastic material compression molding equipment and a compounding method thereof.
Background
The compression molding technology of thermoplastic products is that the products are manufactured by adopting an injection molding mode at present in China, and hot-melt thermoplastic resin is injected into an injection mold through a hot runner by injection equipment to complete the molding of the products.
For the production of composite fabrics, the product is manufactured by adopting a low-pressure injection molding mode at present, hot-melt thermoplastic resin is injected into an injection mold through a hot runner through injection equipment, a gap of about 3mm is reserved between the injection molds before injection, fabrics are placed on one side of the mold, the mold is locked after injection molding is finished, the manufacturing mode has high requirements on the runner of the mold, the mold product has a complex structure and needs a plurality of lateral mechanisms, the mold manufacturing cost is higher, and the investment of the production of products of enterprises is greatly increased.
Disclosure of Invention
The invention aims to provide a thermoplastic material compression molding device and a compounding method thereof, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a thermoplastic material compression molding equipment comprises a female die, a male die which is positioned right above the female die and can move up and down, a driving mechanism which is connected with the male die and used for driving the male die to move up and down, a screw extruder which is positioned on one side of the female die and used for extruding a thermoplastic material into the female die, and a driving module which is used for driving the screw extruder to transversely move close to or far away from the female die; the outlet end of the screw extruder is close to the female die.
Optionally, the apparatus further comprises a material taking mechanism located on one side of the female die and used for feeding and discharging materials.
Optionally, the screw extruder is fixedly installed on a feeding pipe on a moving member of the driving module, a rotating shaft is rotatably installed at the center of the cross section of the feeding pipe, a screw auger is located on the outer wall of the rotating shaft, a driving motor is fixedly installed at one end, far away from the outlet end, of the feeding pipe, and a hopper is located on the outer wall of one end, far away from the outlet end, of the feeding pipe;
and an output shaft of the driving motor penetrates through the end part of the feeding pipe and is fixedly connected with one end of the rotating shaft.
Optionally, the screw extruder further comprises an electric heating ring which is fixed on the outer surface wall of the feeding pipe and used for heating materials.
Optionally, a guide post for guiding the male die in a moving manner is arranged between the female die and the male die;
one end of the guide post is fixedly connected with the female die, and the other end of the guide post longitudinally penetrates through the male die and is in sliding connection with the male die.
Optionally, the output pressure of the driving mechanism is 400-1000 tons.
Optionally, the clearance between the female die and the male die is 3-6 mm.
The invention also provides a method of thermoplastic compounding comprising thermoplastic compounding using the apparatus of any one of claims.
Optionally, the method includes the following steps:
s1, extruding the thermoplastic raw material into a concave die through a screw extruder;
s2, after a layer of fabric is laid above the inside of the female die, the male die and the female die are driven to be matched;
s3, closing the die and maintaining the pressure for a certain time to make the product be molded;
and S4, opening the die and blanking after the product is formed.
Optionally, the time for closing the mold and maintaining the pressure is 60-80 seconds.
According to the invention, the thermoplastic raw material is extruded into the concave die from the extrusion die orifice through the extruder, the structure of the die pressing die is changed, a runner is not needed, the manufacturing process and cost of the die pressing equipment can be effectively reduced, and the investment of an enterprise is greatly reduced;
meanwhile, the invention also provides a thermoplastic material compounding method, which adopts a compression molding technology to mold and compound the fabric and the thermoplastic material, can effectively reduce the production process of the composite fabric and improve the production efficiency of the composite fabric.
Drawings
FIG. 1 is a schematic view of a thermoplastic material molding apparatus.
Detailed Description
The present invention will be further described with reference to the following examples.
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. The conditions in the embodiments can be further adjusted according to specific conditions, and simple modifications of the method of the present invention based on the concept of the present invention are within the scope of the claimed invention.
As shown in fig. 1, the invention provides a thermoplastic material compression molding device, which comprises a female die 1, a male die 2 located right above the female die 1 and capable of moving up and down, a driving mechanism 3 connected with the male die 2 and used for driving the male die 2 to move up and down, a screw extruder 4 located on one side of the female die 1 and used for extruding a thermoplastic material into the female die 1, and a driving module 5 used for driving the screw extruder 4 to move transversely to be close to or far away from the female die 1; the outlet end of the screw extruder 4 is close to the female die 1.
It is worth mentioning that the equipment further comprises a material taking mechanism which is positioned on one side of the female die 1 and used for feeding and discharging materials. The material taking mechanism comprises a mechanical arm and a vacuum chuck, and the vacuum chuck adsorbs fabrics or products and controls the mechanical arm to move the materials, so that the aim of automatic feeding and discharging is fulfilled.
Wherein the output pressure of the driving mechanism 3 is 400-1000 tons.
Wherein the clearance between the female die 1 and the male die 2 is 3-6 mm.
The screw extruder 4 is fixedly arranged on a feeding pipe 41 on a moving member of the driving module 5, a rotating shaft 43 rotatably arranged at the center of the section of the feeding pipe 41, a screw auger 44 positioned on the outer wall of the rotating shaft 43, a driving motor 45 fixedly arranged at one end of the feeding pipe 41 far away from the outlet end, and a hopper 42 positioned on the outer wall of one end of the feeding pipe 41 far away from the outlet end;
an output shaft of the driving motor 45 penetrates through the end of the feeding pipe 41 and is fixedly connected with one end of the rotating shaft 43.
It is worth mentioning that the screw extruder 4 further comprises an electric heating ring 46 fixed around the outer surface wall of the feeding pipe 41 for heating the material. Therefore, for melting the raw materials, the electric heating ring 46 can be started to heat the feeding pipe 46, so that the raw materials are kept in a molten state, and the flowability of the raw materials at the temperature of the feeding pipe 41 is avoided; for the material in the unmelted state, the material can be heated by the electric heating ring 46, so that the material is melted and flows, and enters the female die 1 for shaping.
In addition, a guide post 7 for movably guiding the male die 2 is arranged between the female die 1 and the male die 2; one end of the guide post 7 is fixedly connected with the female die 1, and the other end of the guide post longitudinally penetrates through the male die 2 and is in sliding connection with the male die 2. Borrow this, lead terrace die 2 through guide post 7 for terrace die 2 removes along guide post 7, and then makes terrace die 2's removal be in on the same straight line, guarantees the accuracy of compound die.
The invention also provides a thermoplastic material compounding method, which comprises the step of enabling the equipment to carry out thermoplastic material compounding.
The specific use steps are as follows:
s1, the male die 2 is driven to be away from the female die 1 through the driving mechanism 3, the screw extruder 4 is driven to transversely move through the translation module 5, the outlet of the screw extruder 4 is positioned above the female die 1, and then the thermoplastic material is extruded into the female die 1;
s2, grabbing the fabric by a material taking mechanism (a material taking robot) and placing the fabric on the raw material in the female die 1, and driving the male die 2 to move downwards by a driving mechanism 3 to be matched with the female die 1;
s3, closing the die and maintaining the pressure for 60-80 seconds to make the product be molded;
and S4, opening the die after the product is formed, and taking down the product from the female die 1 through a material taking mechanism for blanking.
The production of the composite fabric is completed by adopting the equipment to execute the steps, and the hot-melt raw materials and the fabric are integrally formed, so that compared with the traditional hot-melt composite process, the processing procedures of the composite fabric can be effectively reduced, and the processing and production efficiency of the composite fabric 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 (10)
1. The compression molding equipment for the thermoplastic material is characterized by comprising a female die (1), a male die (2) which is positioned right above the female die (1) and can move up and down, a driving mechanism (3) which is connected with the male die (2) and used for driving the male die (2) to move up and down, a spiral extruder (4) which is positioned on one side of the female die (1) and used for extruding the thermoplastic material into the female die (1), and a driving module (5) which is used for driving the spiral extruder (4) to transversely move close to or far away from the female die (1); the outlet end of the spiral extruder (4) is close to the female die (1).
2. A thermoplastic material compression moulding apparatus as claimed in claim 1, characterised in that the apparatus further includes a take-off mechanism for feeding and discharging material located on one side of the female mould (1).
3. The thermoplastic material compression molding apparatus according to claim 1 or 2, wherein the screw extruder (4) is fixedly installed on a feeding pipe (41) on a moving member of the driving module (5), a rotating shaft (43) rotatably installed at a cross-sectional center position of the feeding pipe (41), a screw auger (44) located on an outer wall of the rotating shaft (43), a driving motor (45) fixedly installed at one end of the feeding pipe (41) far away from the outlet end, and a hopper (42) located on an outer wall of one end of the feeding pipe (41) far away from the outlet end;
an output shaft of the driving motor (45) penetrates through the end part of the feeding pipe (41) and is fixedly connected with one end of the rotating shaft (43).
4. A thermoplastic material compression moulding apparatus as claimed in claim 3, characterised in that the screw extruder (4) further comprises an electrically heated ring (46) which is fixed around the outer surface wall of the feed tube (41) for heating the material.
5. A thermoplastic material compression moulding apparatus as claimed in claim 3, characterised in that a guide post (7) for guiding the movement of the male mould (2) is provided between the female mould (1) and the male mould (2);
One end of the guide post (7) is fixedly connected with the female die (1), and the other end of the guide post longitudinally penetrates through the male die (2) and is in sliding connection with the male die (2).
6. A thermoplastic material compression moulding apparatus as claimed in claim 3, wherein the output pressure of the drive mechanism (3) is 400-1000 tons.
7. Thermoplastic extrusion molding apparatus according to claim 3, characterized in that the inter-die gap between the female die (1) and the male die (2) is 3-6 mm.
8. A method of thermoplastic compounding, comprising thermoplastic compounding using the apparatus of any one of claims 1-7.
9. A method of compounding thermoplastic material according to claim 8, comprising the steps of:
s1, extruding the thermoplastic raw material into a concave die through a screw extruder;
s2, after a layer of fabric is laid above the female die, the male die and the female die are driven to be matched;
s3, closing the die and maintaining the pressure for a certain time to make the product be molded;
and S4, opening the die and blanking after the product is formed.
10. The thermoplastic material compounding process of claim 9, wherein the clamping dwell time is 60-80 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010706663.0A CN111844585A (en) | 2020-07-21 | 2020-07-21 | Thermoplastic material compression molding equipment and compounding method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010706663.0A CN111844585A (en) | 2020-07-21 | 2020-07-21 | Thermoplastic material compression molding equipment and compounding method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111844585A true CN111844585A (en) | 2020-10-30 |
Family
ID=73001968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010706663.0A Pending CN111844585A (en) | 2020-07-21 | 2020-07-21 | Thermoplastic material compression molding equipment and compounding method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111844585A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114030123A (en) * | 2021-11-29 | 2022-02-11 | 大连天一能装备制造有限公司 | Precise control vacuum press and full-automatic production line |
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|---|---|---|---|---|
| CN2784169Y (en) * | 2004-05-31 | 2006-05-31 | 朱兴源 | Plastic filter plate or panel forming apparatus |
| CN200995478Y (en) * | 2006-12-21 | 2007-12-26 | 四川天鑫塑胶管业有限公司 | Inspection-well equipment of thermal-extruding and cold-pressing formative plastic |
| CN103273660A (en) * | 2013-05-06 | 2013-09-04 | 福建海源新材料科技有限公司 | Long-fiber reinforced thermoplastic composite material of longitude and latitude glass fiber surface, and molding method and application thereof |
| CN203460352U (en) * | 2013-08-19 | 2014-03-05 | 安徽建筑大学 | Crushing, regenerating and moulding equipment for plastic difficult to recover |
| CN106003513A (en) * | 2016-05-18 | 2016-10-12 | 东莞铭丰生物质科技有限公司 | Mold production equipment |
| CN206510452U (en) * | 2016-11-28 | 2017-09-22 | 贵州省玉态康环保餐具有限公司 | A kind of degradable starch mass box for snack device for automatically molding |
| CN108582621A (en) * | 2018-06-01 | 2018-09-28 | 华南理工大学 | Product of rubber and plastic compression molding method and apparatus based on two dimension paving base |
-
2020
- 2020-07-21 CN CN202010706663.0A patent/CN111844585A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2784169Y (en) * | 2004-05-31 | 2006-05-31 | 朱兴源 | Plastic filter plate or panel forming apparatus |
| CN200995478Y (en) * | 2006-12-21 | 2007-12-26 | 四川天鑫塑胶管业有限公司 | Inspection-well equipment of thermal-extruding and cold-pressing formative plastic |
| CN103273660A (en) * | 2013-05-06 | 2013-09-04 | 福建海源新材料科技有限公司 | Long-fiber reinforced thermoplastic composite material of longitude and latitude glass fiber surface, and molding method and application thereof |
| CN203460352U (en) * | 2013-08-19 | 2014-03-05 | 安徽建筑大学 | Crushing, regenerating and moulding equipment for plastic difficult to recover |
| CN106003513A (en) * | 2016-05-18 | 2016-10-12 | 东莞铭丰生物质科技有限公司 | Mold production equipment |
| CN206510452U (en) * | 2016-11-28 | 2017-09-22 | 贵州省玉态康环保餐具有限公司 | A kind of degradable starch mass box for snack device for automatically molding |
| CN108582621A (en) * | 2018-06-01 | 2018-09-28 | 华南理工大学 | Product of rubber and plastic compression molding method and apparatus based on two dimension paving base |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114030123A (en) * | 2021-11-29 | 2022-02-11 | 大连天一能装备制造有限公司 | Precise control vacuum press and full-automatic production line |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230321 Address after: No. 17, Yingke Songsan Road, Sujiatun District, Shenyang, Liaoning 110000 Applicant after: Shanghai Automobile Carpet General Factory (Shenyang) science and Technology Co.,Ltd. Address before: No.1899, Songhui West Road, Songjiang District, Shanghai Applicant before: SHANGHAI CAR CARPET PLANT |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201030 |