CN102601963A - Equipment for extruding plastic panel with continuously variable cross-section - Google Patents
Equipment for extruding plastic panel with continuously variable cross-section Download PDFInfo
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- CN102601963A CN102601963A CN2012100882135A CN201210088213A CN102601963A CN 102601963 A CN102601963 A CN 102601963A CN 2012100882135 A CN2012100882135 A CN 2012100882135A CN 201210088213 A CN201210088213 A CN 201210088213A CN 102601963 A CN102601963 A CN 102601963A
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- shape piece
- servo hydraulic
- hydraulic cylinder
- variable cross
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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
- B29C48/92—Measuring, controlling or regulating
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- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to equipment for extruding a plastic panel, which belongs to the field of plastic product processing. The quipment for extruding a plastic panel with a continuously variable cross-section comprises an extrusion mold part; the extrusion mold part comprises a nozzle adapter connector (1) and an extrusion head (2) connected with the nozzle adapter connector (1); the extrusion head (2) comprises an upper cavity (3) and a lower cavity (4); and an extrusion passageway is arranged in the middle of the upper cavity (3) and the lower cavity (4). The equipment for extruding the plastic panel with a continuously variable cross-section is characterized in that an I-shaped sliding block is additionally arranged on the front end face of the extrusion head (2) and comprises an upper T-shaped block (6) and a lower T-shaped block (7); a space between the upper and lower T-shaped blocks is communicated with the extrusion passageway in the middle of the extrusion head (2); and the upper T-shaped block (6) and the T-shaped block (7) are respectively connected with servo hydraulic cylinders (8) and are driven to move up and down by the servo hydraulic cylinders (8). According to the invention, the plastic panel with a continuously variable cross-section can be automatically manufactured, the waste of materials can be greatly decreased, and the production cost of an enterprise can be reduced.
Description
Technical field
The present invention relates to a kind of plastic plate extrusion equipment, relate in particular to a kind of extrusion equipment to the continuous variable cross section plastic plate.
Background technology
Plastic extruding forming is widely used in production reality, and plastic plate is more common in life.The sheet metal thickness that the mouth mould of present extrusion die is extruded is constant; Like Fig. 1; And many plastic plate bracing frames are because suffered load is heterogeneous often; This just requires the rigidity of plate and intensity to require to design corresponding thickness according to load, and promptly sheet thickness is a continually varying, like Fig. 2.And adopt the plastic plate thickness of extruding all to fix at present, it is inconsistent that this and actual (real) thickness variation require, and often causes the redundancy of material production (20-30) %; In other words; Be exactly because the deficiency of design and moulding process has been brought a large amount of plastic material wastes, production cost is increased.As everyone knows, shortage of resources is the difficult problem that the present world faces, and each country has all formulated the corresponding strategy and policy that economize on resources, and particularly China is with the strategy and policy of energy-saving and emission-reduction as country.Therefore, develop a kind of new technology and equipment, prepare can continuous variable cross section plastic plate just become an important new measure.The present invention has designed a kind of former that can extrude the continuous variable cross section plastic plate just to this problem, for the production cost that economizes on resources and reduce enterprise provides a kind of new measure.
Plastic plate is to use the most a kind of material at present; But the processing technology of present sheet material mainly adopts extruder; Through the extrusion neck ring mold moulding, often there is following problem in this: the sheet metal thickness uniformity that extrude (1): can't realize extruding the thickness cross section continually varying plastic plate of rigidity Design as required.This must cause the redundancy of material production (20-30) %, in other words, is exactly because the deficiency of design and moulding process has been brought a large amount of plastic material wastes, and production cost is increased; (2) equipment is flexible poor: a kind of extrusion can only be accomplished a kind of moulding of stock board, lacks flexibility, is difficult to adapt to the sheet material of different size thickness.
Summary of the invention
Technical problem to be solved by this invention provides a kind of continuous variable cross section plastic plate extrusion equipment, solves the deficiency of prior art.
Technical scheme
A kind of continuous variable cross section plastic plate extrusion equipment comprises the extrusion die part, and said extrusion die partly comprises nozzle connection and the extruder head that links to each other; Said extruder head comprises upper impression and lower impressions, in the middle of upper impression, is provided with the choked flow rod, is extrusion channel in the middle of upper impression and the lower impressions; It is characterized in that: the front end face of said extruder head adds I-shaped slide block; Said I-shaped slide block is divided into T shape piece and following T shape piece, and T shape piece forms I-shapedly altogether up and down, and the space between the T shape piece is communicated with the extrusion channel of extruder head centre up and down; Last T shape piece is connected with servo hydraulic cylinder respectively with following T shape piece, is driven by servo hydraulic cylinder to move up and down.
Said servo hydraulic cylinder comprises the piston that moves up and down in the cylinder, and vertical piston has piston rod on the piston, and said piston rod is fixedly connected with last T shape piece or following T shape piece.
Said piston rod and last T shape piece or be connected with the slide block connecting rod between the T shape piece down, the slide block connecting rod is with last T shape piece or connect through sphere between the T shape piece down, and the sphere piece is fixed on T shape piece or time T shape piece through soket head cap screw.
Said servo hydraulic cylinder is provided with displacement transducer; The motor message of the shape of the T up and down piece that servo hydraulic cylinder is driven sends the controller of equipment to; The controller of equipment links to each other with the motion controller of servo hydraulic cylinder, the motion of the control servo hydraulic cylinder that transmits control signal.
The sensor bar of said displacement transducer is arranged on the piston rod of servo hydraulic cylinder.
Beneficial effect
Continuous variable cross section plastic plate extrusion equipment of the present invention is after plastic melt gets into die cavity through nozzle connection; Effect through the choked flow rod makes plastics extrude from extrusion with homogeneous thickness; Again through the control of upper and lower servo hydraulic cylinder go up T shape piece or down T shape piece move up and down according to the signal of input, and then make the plastic plate of extruding obtain required variable cross-section plastic plate, realized automatic control continuous variable cross section plastic plate preparation; The equipment flexibility is good; Control accuracy is high, has greatly reduced the waste to material, reduces the production cost of enterprise.
Description of drawings
Fig. 1 is a common plastics sheet material sketch map.
Fig. 2 is a continuous variable cross section plastic plate sketch map.
Fig. 3 is a sketch map of the present invention.
Wherein: 1-nozzle connection, 2-extruder head, 3-upper impression, 4-lower impressions; 5-choked flow rod, the last T shape of 6-piece, T shape piece under the 7-, 8-servo hydraulic cylinder; The 9-piston, 10-piston rod, 11-slide block connecting rod, 12-sphere piece; The 13-displacement transducer, 14-sensor bar, 15-support column, 16-servo hydraulic cylinder base.
The specific embodiment
Below in conjunction with specific embodiment and accompanying drawing, further set forth the present invention.
As attach shown in Fig. 1 and 2; The difference of common plastics sheet material and continuous variable cross section plastic plate is very obvious; The continuous variable cross section plastic plate is because there is all size requirement; According to present processing method, not only time-consuming but also take material, therefore designed a kind of special extrusion equipment to the continuous variable cross section plastic plate.
Shown in accompanying drawing 3, continuous variable cross section plastic plate extrusion equipment partly is made up of servo hydraulic cylinder part and extrusion die.
The servo hydraulic cylinder part is made up of displacement transducer 13, pull bar, hex nut, spring washer, back cylinder cover, O RunddichtringO, wear-resistant guiding ring, magnet, y-type seal ring, cylinder barrel, front end housing, dust ring, preceding guide pin bushing, piston rod 10, preceding buffer plunger, sensor bar 14, piston 9, back buffer plunger, back guide pin bushing, non-magnetic conduction isolation pad, position magnet, tingle etc.
The connection form is: buffer plunger is installed on the piston rod 10, and piston 9 is installed on the piston rod 10 through the magnet connection, and the O RunddichtringO is installed between piston 9 and the piston rod 10, and y-type seal ring and wear-resistant guiding ring are installed between piston 9 and the cylinder barrel.Back buffer plunger and back guide pin bushing are installed in the rear end of piston rod 10.Preceding guide pin bushing is installed between front end housing and the piston rod 10, and y-type seal ring and dust ring are installed on front end housing.Displacement transducer 13 through the flange thread connection on back cylinder cover, between the O RunddichtringO is installed, in the endoporus of sensor bar 14 built-in piston rods 10 (gap), on the piston rod 10 of the built-in oil cylinder of position magnet.Non-magnetic conduction isolation pad is installed between position magnet and piston rod 10, and is fixed with tingle.Front end housing, back cylinder cover and cylinder barrel are fixed through pull bar, spring washer and hex nut, and the O RunddichtringO is installed between cylinder barrel and front and back cylinder cap.
The extrusion die part is made up of adjustment screw, nozzle connection 1, choked flow rod 5, upper impression 3, last T shape piece 6, lower impressions 4, following T shape piece 7 etc.
The connection form is: choked flow rod 5 is positioned on upper impression 3, and connects adjustment screw, the size of regulating choked flow through adjustment screw.Upper impression 3 connects through two side plates and four soket head cap screws with lower impressions 4, forms corresponding die cavity.Last T shape piece 6 is formed I-shaped slide block with following T shape piece 7, and last T shape piece 6 connects with the piston rod 10 of servo hydraulic cylinder 8 through slide block connecting rod 11 with following T shape piece 7.Connect through sphere between slide block connecting rod 11 and last T shape piece 6 and the following T shape piece 7, sphere fast 12 is fixed on T shape piece 6 and the following T shape piece 7 through soket head cap screw, and fixes with gland and soket head cap screw.Slide block connecting rod 11 passes through thread connection with piston rod 10, and fixes with taper bolt.
T shape piece is connected with servo hydraulic cylinder 8 respectively up and down.Last servo hydraulic cylinder is fixed on the servo hydraulic cylinder mounting flange through pull bar and hex nut, and is fixed on the servo hydraulic cylinder base 16 through support column 15, pressing plate and soket head cap screw.
Following servo hydraulic cylinder is fixed on down on the servo hydraulic cylinder mounting flange through pull bar and hex nut, and is fixed on the servo hydraulic cylinder base 16 through support column 15, pressing plate and soket head cap screw.
Working forms: plastic melt gets into die cavity through nozzle connection 1, and the effect through choked flow rod 5 makes plastics extrude from extrusion with homogeneous thickness.Through the effect of upper and lower servo hydraulic cylinder, control upper and lower T shape piece and move up and down, and then make the plastic plate of extruding obtain required variable cross-section plastic plate again according to the signal of importing.
The present invention is owing to adopt: head designs two T type pieces 6 up and down respectively and 7, two shape pieces connect with slide block connecting rod 11 spheres respectively extruding (1).On last T shape piece 6 with following T shape piece 7 below design two servo hydraulic cylinders 8 respectively, servo hydraulic cylinder 8 outer installation position displacement sensors 13 move along needs about two T shape pieces to control.Guarantee to extrude the plastic plate of thickness continuous variable cross section through the variation of the distance between two T shape pieces.(2) size of extrusion can servo hydraulic cylinder the moving displacement of two T shape pieces of 8 controls, and then control plate Thickness Design curve changes as requested, need not change extruder head, so the device fabrication flexibility is good, adaptability is strong, cost is low.(3) owing to adopt the servo hydraulic cylinder 8 of high-precision sensor and good rigidly; And carry out the compensation of online feedback control and thickness error; Therefore the plastic plate thickness and precision of moulding is high, can reach ± 0.01mm, can satisfy the preparation requirement to high accuracy continuous variable cross section plastic plate.In a word, this continuous variable cross section plastic plate extrusion equipment can adapt to the sheet material requirement that load requires to carry out the varied in thickness design, and it is flexible good to produce, and the control thickness and precision is high, has greatly reduced the waste to material, has reduced the production cost of enterprise.
The sheet material of continuous variable cross section can be widely used in occasions such as commercial production and life, and the present invention provides a kind of novel device for the preparation of variable cross-section plastic plate.Fast development along with plastics forming technique; Plastic plate is used more and more widely in life; This provides wide background for the application of this equipment; Adopt continuous variable cross section plastic plate extrusion equipment of the present invention, will provide a kind of simple in structure, cost effectively to reduce the equipment that stock utilization improves greatly for the production of plastic products.
Claims (5)
1. continuous variable cross section plastic plate extrusion equipment; Comprise the extrusion die part, said extrusion die partly comprises nozzle connection (1) and the extruder head that links to each other, and said extruder head (2) comprises upper impression (3) and lower impressions (4); In the middle of upper impression (3), be provided with choked flow rod (5); In the middle of upper impression (3) and the lower impressions (4) is extrusion channel, and it is characterized in that: the front end face of said extruder head (2) adds I-shaped slide block, and said I-shaped slide block is divided into T shape piece (6) and following T shape piece (7); T shape piece is formed I-shaped altogether up and down; Space between the T shape piece is communicated with the middle extrusion channel of extruder head (2) up and down, and last T shape piece (6) and following T shape piece (7) are connected with servo hydraulic cylinder (8) respectively, is driven by servo hydraulic cylinder (8) to move up and down.
2. continuous variable cross section plastic plate extrusion equipment as claimed in claim 1; It is characterized in that: said servo hydraulic cylinder (8) comprises the piston (9) that moves up and down in the cylinder; Piston (9) is gone up vertical piston has piston rod (10), and said piston rod (10) is fixedly connected with last T shape piece (6) or following T shape piece (7).
3. continuous variable cross section plastic plate extrusion equipment as claimed in claim 2; It is characterized in that: said piston rod (10) and last T shape piece (6) or be connected with slide block connecting rod (11) between the T shape piece (7) down; Slide block connecting rod (11) and last T shape piece (6) or connect through sphere between the T shape piece (7) down, sphere piece (12) is fixed on T shape piece (6) or time T shape piece (7) through soket head cap screw.
4. according to claim 1 or claim 2 continuous variable cross section plastic plate extrusion equipment; It is characterized in that: said servo hydraulic cylinder (8) is provided with displacement transducer (13); The motor message of the shape of the T up and down piece that servo hydraulic cylinder (8) is driven sends the controller of equipment to; The controller of equipment links to each other with the motion controller of servo hydraulic cylinder (8), the motion of the control servo hydraulic cylinder (8) that transmits control signal.
5. continuous variable cross section plastic plate extrusion equipment as claimed in claim 4 is characterized in that: the sensor bar (14) of said displacement transducer (13) is arranged on the piston rod (10) of servo hydraulic cylinder (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210088213.5A CN102601963B (en) | 2012-03-29 | 2012-03-29 | A kind of continuous variable cross section plastic plate extrusion equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210088213.5A CN102601963B (en) | 2012-03-29 | 2012-03-29 | A kind of continuous variable cross section plastic plate extrusion equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102601963A true CN102601963A (en) | 2012-07-25 |
| CN102601963B CN102601963B (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210088213.5A Expired - Fee Related CN102601963B (en) | 2012-03-29 | 2012-03-29 | A kind of continuous variable cross section plastic plate extrusion equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN102601963B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104552867A (en) * | 2015-01-15 | 2015-04-29 | 福建鸿博光电科技有限公司 | Profile extrusion assembly and extrusion equipment |
| CN106426863A (en) * | 2016-09-29 | 2017-02-22 | 嘉兴御创电力科技有限公司 | Specially-shaped plastic sheet extruding equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4944666A (en) * | 1988-08-18 | 1990-07-31 | A-Z Foremen- und Maschinenbau GmbH | Injector head for producing tread strips |
| CN1078938A (en) * | 1992-04-30 | 1993-12-01 | 克洛伦有限公司 | Gauge of sheet control |
| CN1141018A (en) * | 1994-01-04 | 1997-01-22 | 海茵茨·格罗斯 | Adjustable throttle with flat channel cross-section |
| CN1392831A (en) * | 2000-09-19 | 2003-01-22 | 东丽株式会社 | Method for manufacturing sheet |
| CN1931559A (en) * | 2006-09-25 | 2007-03-21 | 徐建雄 | Mold for plastic board producing line |
| JP2007203617A (en) * | 2006-02-02 | 2007-08-16 | Seiko Epson Corp | Mold and manufacturing method |
| CN202592708U (en) * | 2012-03-29 | 2012-12-12 | 上海工程技术大学 | Continuous variable cross-section plastic sheet material extruding equipment |
-
2012
- 2012-03-29 CN CN201210088213.5A patent/CN102601963B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4944666A (en) * | 1988-08-18 | 1990-07-31 | A-Z Foremen- und Maschinenbau GmbH | Injector head for producing tread strips |
| CN1078938A (en) * | 1992-04-30 | 1993-12-01 | 克洛伦有限公司 | Gauge of sheet control |
| CN1141018A (en) * | 1994-01-04 | 1997-01-22 | 海茵茨·格罗斯 | Adjustable throttle with flat channel cross-section |
| CN1392831A (en) * | 2000-09-19 | 2003-01-22 | 东丽株式会社 | Method for manufacturing sheet |
| JP2007203617A (en) * | 2006-02-02 | 2007-08-16 | Seiko Epson Corp | Mold and manufacturing method |
| CN1931559A (en) * | 2006-09-25 | 2007-03-21 | 徐建雄 | Mold for plastic board producing line |
| CN202592708U (en) * | 2012-03-29 | 2012-12-12 | 上海工程技术大学 | Continuous variable cross-section plastic sheet material extruding equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104552867A (en) * | 2015-01-15 | 2015-04-29 | 福建鸿博光电科技有限公司 | Profile extrusion assembly and extrusion equipment |
| CN104552867B (en) * | 2015-01-15 | 2017-06-23 | 福建鸿博光电科技有限公司 | The extrusion component and extrusion equipment of section bar |
| CN106426863A (en) * | 2016-09-29 | 2017-02-22 | 嘉兴御创电力科技有限公司 | Specially-shaped plastic sheet extruding equipment |
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| Publication number | Publication date |
|---|---|
| CN102601963B (en) | 2015-11-18 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20151118 Termination date: 20200329 |