CN202592708U - Continuous variable cross-section plastic sheet material extruding equipment - Google Patents

Continuous variable cross-section plastic sheet material extruding equipment Download PDF

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Publication number
CN202592708U
CN202592708U CN2012201261325U CN201220126132U CN202592708U CN 202592708 U CN202592708 U CN 202592708U CN 2012201261325 U CN2012201261325 U CN 2012201261325U CN 201220126132 U CN201220126132 U CN 201220126132U CN 202592708 U CN202592708 U CN 202592708U
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China
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extrusion
servo hydraulic
shaped
shaped block
hydraulic cylinder
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杜继涛
朱正龙
罗文红
秦恒
彭怀涛
杨梅
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Shanghai University of Engineering Science
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Shanghai University of Engineering Science
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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
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
    • 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
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

本实用新型涉及一种塑料板材挤出设备，属于塑料制品加工领域。一种连续变截面塑料板材挤出设备，包括挤出模具部分，所述挤出模具部分包括喷嘴接头(1)和相连的挤出头，所述挤出头(2)包括上型腔(3)和下型腔(4)，上型腔(3)和下型腔(4)中间为挤出流道，其特征在于：所述挤出头(2)的前端面加装有工字形滑块，所述工字形滑块分为上T形块(6)和下T形块(7)，上、下T形块之间的空间与挤出头(2)中间的挤出流道连通，上T形块(6)和下T形块(7)分别连接有伺服液压缸(8)，由伺服液压缸(8)带动上下运动。本实用新型实现了自动控制连续变截面塑料板材制备，而且大大减少了材料的浪费，降低了企业的生产成本。

Figure 201220126132

The utility model relates to a plastic plate extruding device, which belongs to the field of plastic product processing. A continuously variable cross-section plastic plate extrusion equipment, comprising an extrusion die part, the extrusion die part includes a nozzle joint (1) and a connected extrusion head, the extrusion head (2) includes an upper die cavity (3 ) and the lower cavity (4), the middle of the upper cavity (3) and the lower cavity (4) is an extrusion runner, and it is characterized in that: the front end of the extrusion head (2) is equipped with an I-shaped slide block, the I-shaped slider is divided into an upper T-shaped block (6) and a lower T-shaped block (7), and the space between the upper and lower T-shaped blocks communicates with the extrusion channel in the middle of the extrusion head (2) , the upper T-shaped block (6) and the lower T-shaped block (7) are respectively connected with servo hydraulic cylinders (8), driven by the servo hydraulic cylinders (8) to move up and down. The utility model realizes the automatic control of the preparation of the continuously variable section plastic plate, and greatly reduces the waste of materials and reduces the production cost of the enterprise.

Figure 201220126132

Description

A kind of continuous variable cross section plastic plate extrusion equipment
Technical field
The utility model relates to a kind of plastic plate extrusion equipment, relates 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 utility model 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.
The utility model content
The utility model technical problem to be solved provides a kind of continuous variable cross section plastic plate extrusion equipment, addresses the deficiencies of the 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
The continuous variable cross section plastic plate extrusion equipment of the utility model 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 the utility model sketch map.
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 utility model.
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 utility model 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 utility model 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 the utility model continuous variable cross section plastic plate extrusion equipment, 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)

1.一种连续变截面塑料板材挤出设备，包括挤出模具部分，所述挤出模具部分包括喷嘴接头(1)和相连的挤出头，所述挤出头(2)包括上型腔(3)和下型腔(4)，在上型腔(3)中间设置有阻流棒(5)，上型腔(3)和下型腔(4)中间为挤出流道，其特征在于：所述挤出头(2)的前端面加装有工字形滑块，所述工字形滑块分为上T形块(6)和下T形块(7)，上下T形块合起来组成工字形，上下T形块之间的空间与挤出头(2)中间的挤出流道连通，上T形块(6)和下T形块(7)分别连接有伺服液压缸(8)，由伺服液压缸(8)带动上下运动。1. A continuously variable cross-section plastic sheet extrusion equipment, comprising an extrusion die part, said extrusion die part comprising a nozzle joint (1) and an extrusion head connected, said extrusion head (2) comprising an upper die cavity (3) and the lower cavity (4), a choke rod (5) is arranged in the middle of the upper cavity (3), and the middle of the upper cavity (3) and the lower cavity (4) is an extrusion flow channel, which is characterized in In that: the front end of the extrusion head (2) is equipped with an I-shaped slider, the I-shaped slider is divided into an upper T-shaped block (6) and a lower T-shaped block (7), and the upper and lower T-shaped blocks are combined The space between the upper and lower T-shaped blocks is connected with the extrusion channel in the middle of the extrusion head (2), and the upper T-shaped block (6) and the lower T-shaped block (7) are respectively connected with servo hydraulic cylinders ( 8), driven by the servo hydraulic cylinder (8) to move up and down. 2.如权利要求1所述的连续变截面塑料板材挤出设备，其特征在于：所述伺服液压缸(8)包括缸内上下运动的活塞(9)，活塞(9)上垂直活塞有活塞杆(10)，所述活塞杆(10)与上T形块(6)或下T形块(7)固定连接。2. The continuously variable cross-section plastic sheet material extrusion equipment as claimed in claim 1, characterized in that: said servo hydraulic cylinder (8) includes a piston (9) that moves up and down in the cylinder, and the vertical piston on the piston (9) has a piston A rod (10), the piston rod (10) is fixedly connected with the upper T-shaped block (6) or the lower T-shaped block (7). 3.如权利要求2所述的连续变截面塑料板材挤出设备，其特征在于：所述活塞杆(10)与上T形块(6)或下T形块(7)之间以滑块连接杆(11)相连接，滑块连接杆(11)与上T形块(6)或下T形块(7)之间通过球面联接，球面块(12)通过内六角螺钉固定在上T形块(6)或下T形块(7)上。3. The continuously variable cross-section plastic sheet extrusion equipment as claimed in claim 2, characterized in that: there is a sliding block between the piston rod (10) and the upper T-shaped block (6) or the lower T-shaped block (7). The connecting rods (11) are connected, the connecting rods (11) of the slider and the upper T-shaped block (6) or the lower T-shaped block (7) are connected through a spherical surface, and the spherical surface block (12) is fixed on the upper T by hexagon socket screws. on the shape block (6) or the lower T shape block (7). 4.如权利要求1或2所述的连续变截面塑料板材挤出设备，其特征在于：所述伺服液压缸(8)上设置有位移传感器(13)，将伺服液压缸(8)带动的上下T形块的运动信号传送给设备的控制器，设备的控制器与伺服液压缸(8)的运动控制器相连，发送控制信号控制伺服液压缸(8)的运动。4. The continuously variable section plastic sheet extrusion equipment according to claim 1 or 2, characterized in that: the servo hydraulic cylinder (8) is provided with a displacement sensor (13), which drives the servo hydraulic cylinder (8) The motion signals of the upper and lower T-shaped blocks are transmitted to the controller of the equipment, and the controller of the equipment is connected with the motion controller of the servo hydraulic cylinder (8) to send control signals to control the motion of the servo hydraulic cylinder (8). 5.如权利要求4所述的连续变截面塑料板材挤出设备，其特征在于：所述位移传感器(13)的传感杆(14)设置在伺服液压缸(8)的活塞杆(10)上。5. The extrusion equipment for continuously variable cross-section plastic sheets according to claim 4, characterized in that: the sensing rod (14) of the displacement sensor (13) is arranged on the piston rod (10) of the servo hydraulic cylinder (8) superior.
CN2012201261325U 2012-03-29 2012-03-29 Continuous variable cross-section plastic sheet material extruding equipment Expired - Fee Related CN202592708U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102601963A (en) * 2012-03-29 2012-07-25 上海工程技术大学 Equipment for extruding plastic panel with continuously variable cross-section
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102601963A (en) * 2012-03-29 2012-07-25 上海工程技术大学 Equipment for extruding plastic panel with continuously variable cross-section
CN102601963B (en) * 2012-03-29 2015-11-18 上海工程技术大学 A kind of continuous variable cross section plastic plate 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

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Granted publication date: 20121212

Termination date: 20130329