CN103072248B - Plastic extrusion flat film wire drawing machine - Google Patents
Plastic extrusion flat film wire drawing machine Download PDFInfo
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- CN103072248B CN103072248B CN201310013692.9A CN201310013692A CN103072248B CN 103072248 B CN103072248 B CN 103072248B CN 201310013692 A CN201310013692 A CN 201310013692A CN 103072248 B CN103072248 B CN 103072248B
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- cylinder
- communicated
- flow channel
- screen pack
- intermediate flow
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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
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
-
- 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
- B29C48/08—Flat, e.g. panels flexible, e.g. films
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a plastic extrusion flat film wire drawing machine which is a plastic processing machine. The film is easily drawn while the product yield is not reduced, so that the requirement on strength and power of a traction unit is reduced. The plastic extrusion flat film wire drawing machine comprises an extrusion mechanism and a film discharging mechanism; the extrusion mechanism comprises a screw material barrel and a filtering device; the film discharging mechanism comprises a forming die, a cooling water tank, a roller assembly and a rolling assembly; the screw material barrel is communicated with the filtering device; the filtering device is communicated with the forming die; the filtering device is communicated with the forming die through a three-way distributor; the forming die comprises two die heads; a feeding port of the three-way distributor is communicated with the filtering device; and two discharging ports are respectively communicated with the two die heads. The plastic extrusion flat film wire drawing machine is mainly used for producing plastic filaments for plastic knitting bags.
Description
Technical field
The present invention relates to plastic processing machinery, particularly a kind of plastic extruding flat film wiredrawing.
Background technology
Existing wire drawing machine is in order to productivity gain, and die head or die lip lengthened, what have reaches 4000mm, like this after transformation, can produce series of problems, 1) problem of machining accuracy step-down and material deformation sharply seriously, cause diaphragm thickness uneven; 2) film difficulty is led in increase, requires higher to operating technology, because diaphragm is wide, needs more personnel to go monitoring; 3) safety coefficient reduces, and because needs correspondence lengthens drum length, operations area increases, and cylinder runs up, and the probability that personnel's injury accident is occurred increases.
Summary of the invention
The object that the present invention will reach just is to provide a kind of plastic extruding flat film wiredrawing, while the output of product does not reduce, easily leads film, reduces the requirement of strength to traction link seat and power requirement.
In order to achieve the above object, the present invention adopts following technical scheme: plastic extruding flat film wiredrawing, comprise extrusion mechanism and membrane mechanism, described extrusion mechanism comprises screw cylinder and filter, described membrane mechanism comprises mould, cooling water tank, drum assembly and rolling assembly, described screw cylinder is communicated with filter, described filter is communicated with mould, described filter is communicated with by distributing T-pipe device with between mould, described mould comprises two die heads, the feeding mouth of described distributing T-pipe device is communicated with filter, two discharging openings are communicated with two die heads respectively.
Further, described drum assembly comprises cylinder and drives the traction link seat of cylinder, and described cylinder is located at the both sides of traction link seat and distinguishes corresponding with two die heads.Each cylinder load reduces, and operates more stable, and security increases.
Further, the sleeve that described traction link seat comprises traction frame, motor and is fixed in traction frame, the two ends of sleeve lay respectively at the both sides of traction frame, cylinder is drawing in frame by drum shaft switching, one end of described drum shaft is inserted in sleeve and is fixedly connected with sleeve, and described driven by motor cylinder rotates on drum shaft.Such structure, is convenient to installing/dismounting, easy to maintenance, cost is low.
Further, described motor is provided with two and drives the cylinder of traction link seat both sides respectively.By changing the adjustment of rotational speed hauling speed of two motors, the product of a production of machinery two kinds of identical or different models can be realized.
Further, described rolling assembly is provided with two groups and distinguishes corresponding with the cylinder of traction link seat both sides, and rolling assembly comprises rolling frame and rolling cylinder, and described rolling cylinder switching is in the both sides of rolling frame.Because cylinder shortens, diaphragm narrows, closer to the width of rolling frame, all try one's best when making plastic wire from cylinder to receipts web-fed and keep straight line to export and less parallel conveying between plastic wire, reduce plastic wire bending even to rupture, improve finished product rate, reduce the wastage.
Further, the intermediate flow channel that described filter comprises the feeding pipe be communicated with screw cylinder, the discharge nozzle be communicated with the feeding mouth of distributing T-pipe device and is communicated with feeding pipe and discharge nozzle, described intermediate flow channel is provided with at least two, removable screen pack is provided with in each intermediate flow channel, one end that described intermediate flow channel is connected with feeding pipe is provided with the first control valve, one end of being connected with discharge nozzle is provided with the second control valve, and described first control valve and the second control valve are opened simultaneously or close.
Further, the screen pack in all intermediate flow channel is equipped with at least two and quantity is identical, and the screen pack in each intermediate flow channel is followed successively by the first screen pack, the second screen pack along Flow of Goods and Materials direction, the like.
Further, the structure of all intermediate flow channel is identical, and the setting position of all first screen packs in each intermediate flow channel is identical, and the setting position of all second screen packs in each intermediate flow channel is identical, the like.
Further, the order number of described first screen pack is less than the order number of the second screen pack, and the order number of the second screen pack is less than the order number of the 3rd screen pack, the like.
Further, described extrusion mechanism also comprises controller, pressure sensor is provided with in described intermediate flow channel, described pressure sensor is connected with controller by holding wire, described first control valve is for control open/close shutoff valve by controller according to pressure signal, and described second control valve is for control open/close shutoff valve by controller according to pressure signal; Or described second control valve is make material flow to the retaining valve of discharge nozzle from middle flow passage one-way.
After adopting technique scheme, tool of the present invention has the following advantages: 1) a long die head is divided into two short die heads and carrys out shaping membrane, the while of making diaphragm output guaranteed, and the power requirement reduced traction link seat, to produce the diaphragm of 4000mm width, be divided into the die head membrane of two 2000mm in the present invention, the diaphragm gravity that the cylinder of traction link seat both sides and drum shaft bear reduces by half, and reduces the requirement of strength of cylinder and drum shaft; 2) structure is simple, is conveniently changed by the screen pack of blocking, realizes extruder and does not shut down the screen pack changing blocking, reduce the waste of material and the input cost of personnel, enhance productivity.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is the structural representation of the first embodiment of the present invention;
Fig. 2 is I place enlarged drawing in Fig. 1;
Fig. 3 is the structural representation of the second embodiment of the present invention;
Fig. 4 is the structural representation of the third embodiment of the present invention.
Detailed description of the invention
Embodiment one:
Be the first embodiment of the present invention as illustrated in fig. 1 and 2, plastic extruding flat film wiredrawing, comprise extrusion mechanism and membrane mechanism, described extrusion mechanism comprises screw cylinder 1 and filter, described membrane mechanism comprises mould, cooling water tank 4, drum assembly and rolling assembly, described screw cylinder is communicated with filter, described filter is communicated with mould, described filter is communicated with by distributing T-pipe device 6 with between mould, described mould comprises two die heads 31, the feeding mouth 61 of described distributing T-pipe device is communicated with filter, two discharging openings 62 are communicated with two die heads respectively.
Described drum assembly comprises cylinder 51 and drives the traction link seat of cylinder, and described cylinder is located at the both sides of traction link seat and distinguishes corresponding with two die heads.The sleeve 54 that described traction link seat comprises traction frame 52, motor 53 and is fixed in traction frame, the two ends of sleeve lay respectively at the both sides of traction frame, cylinder is transferred in traction frame by drum shaft 55, one end of described drum shaft is inserted in sleeve and is fixedly connected with sleeve, and described driven by motor cylinder rotates on drum shaft.The structure of above-mentioned traction link seat, the structure that the previous longer cylinder compared is transferred by single drum shaft, not only reduces the requirement of strength to drum shaft, also makes the installing/dismounting of cylinder and drum shaft become convenient, therefore safeguards also convenient.In the present embodiment, motor has only established one, simple and convenient, cylinder can be driven to rotate by gear mechanism or chain-sprocket mechanism.
Described rolling assembly is provided with two groups and distinguishes corresponding with the cylinder of traction link seat both sides, and rolling assembly comprises rolling frame 81 and rolling cylinder 82, and described rolling cylinder switching is in the both sides of rolling frame.Because cylinder shortens, diaphragm narrows, closer to the width of rolling frame, all try one's best when making plastic wire from cylinder to receipts web-fed and keep straight line to export and less parallel conveying between plastic wire, reduce plastic wire bending even to rupture, improve finished product rate, reduce the wastage.Described cooling water tank is provided with one, and the length of cooling water tank is not less than the length sum of two die heads, adds like this and changes water conveniently, can certainly arrange two cooling water tanks.
The intermediate flow channel 23 that described filter comprises the feeding pipe 21 be communicated with screw cylinder, the discharge nozzle 22 be communicated with the feeding mouth of distributing T-pipe device and is communicated with feeding pipe and discharge nozzle, described intermediate flow channel is provided with at least two, removable screen pack 24 is provided with in each intermediate flow channel, one end that described intermediate flow channel is connected with feeding pipe is provided with the first control valve 25, one end of being connected with discharge nozzle is provided with the second control valve 26, and described first control valve and the second control valve are opened simultaneously or close.In the present embodiment, be described for two intermediate flow channel.
In order to strengthen filter effect, reduce impurity, the screen pack in all intermediate flow channel is equipped with at least two and quantity is identical, and the screen pack in each intermediate flow channel is followed successively by the first screen pack, the second screen pack along Flow of Goods and Materials direction, the like.As preferred structure, the structure of all intermediate flow channel is identical, and the setting position of all first screen packs in each intermediate flow channel is identical, and the setting position of all second screen packs in each intermediate flow channel is identical, the like.Pressure when such material flows in each intermediate flow channel can be close to each other.In order to improve filter effect, the order number of described first screen pack is less than the order number of the second screen pack, and the order number of the second screen pack is less than the order number of the 3rd screen pack, the like.That is first filter oarse-grained impurity, then filter the impurity of medium grain gradually, the impurity of last filter small particles, the screen pack of diverse location in an intermediate flow channel is divided the work, improve filter effect and the service life of screen pack.
In addition, first control valve and the second control valve can adopt Non-follow control, in order to the mobility status that in time control material convenient when center-aisle blocks changes the screen pack of blocking, described extrusion mechanism also add controller 7, pressure sensor 27 is provided with in described intermediate flow channel, described pressure sensor is connected with controller by holding wire, and described first control valve is for control open/close shutoff valve by controller according to pressure signal.In the present embodiment, described second control valve is for control open/close shutoff valve by controller according to pressure signal.Described first control valve and the second control valve can adopt magnetic valve, so also can reduce the waste of material and the input of personnel.
In the end during discharging as intensive filtration effect, in described discharge nozzle, be provided with discharging screen pack, also can not increase.
Embodiment two:
Be illustrated in figure 3 the second embodiment of the present invention, the present embodiment and embodiment one similar, difference be just, described second control valve 26 flows to the retaining valve of discharge nozzle for making material from middle flow passage one-way, and retaining valve need not be controlled by controller.Also a shutoff valve and a retaining valve can will be selected in certain two the second control valves.The quantity of the second control valve increases, and in all second control valves, shutoff valve and retaining valve are all at least provided with one, and principle is identical, repeats no more.
Embodiment three:
Be illustrated in figure 4 the third embodiment of the present invention, the present embodiment and embodiment one similar, difference is just, described motor is provided with two and drives the cylinder of traction link seat both sides respectively, like this can according to needs of production, by changing the adjustment of rotational speed hauling speed of two motors, the product of a production of machinery two kinds of identical or different models can be realized.Described cooling water tank is provided with two and corresponding with two die heads respectively.Flow control valve can be provided with on two of a distributing T-pipe device discharging opening in addition, corresponding flow can be regulated to the rotational speed matches of two motors.The present embodiment also can be combined with embodiment two and implement.
The operation principle that the present invention realizes not shutting down draping is described as follows for embodiment one or two intermediate flow channel: during machine start, all first control valves and the second control valve are all opened, when after the normal discharging of discharge nozzle, the first control valve in an optional center-aisle and the closedown or semi-closed of the second control valve, what is called is semi-closed refers to below the half that control flow is reduced to normal discharge or half, such as select center-aisle closedown or semi-closed in the right in Fig. 1, material in the center-aisle of the left side normally circulates, after the screen pack in the center-aisle of the left side blocks, pressure sensor monitoring in the center-aisle on the left side exceedes setting value to pressure increase, and by pressure signal transmission in controller, controller cuts out with regard to the first control valve in the center-aisle of the control left side and the second control valve, open the first control valve in the center-aisle of the right and the second control valve simultaneously, material is made to be circulated to discharge nozzle from the center-aisle of the right, owing to saying before, before the first control valve in the center-aisle of the right and the second control valve being closed or be semi-closed, there is material to flow wherein, therefore the first control valve and the second control valve can continue flowing after opening, and meanwhile, workman just can go the filter screen replacement blocking in the center-aisle of the left side to fall.When the screen pack in the center-aisle of the right blocks; pressure sensor in the center-aisle of the right can monitor pressure increase and pressure signal transmission to controller; the first control valve in the center-aisle of the right and the second control valve are closed by controller; open the first control valve in the center-aisle of the left side and the second control valve simultaneously; the filter screen replacement blocked in the center-aisle of the right falls by workman, and so circulation just can realize not shutting down draping.And on this basis, the center-aisle of three center-aisles or four center-aisles or more is set, as long as have the screen pack of an intermediate flow channel not block just can realize not shutting down draping, thus improve output.
Original long die head is transformed into two shorter die heads realizations by the present invention in addition, ensure machining accuracy and the service life of die head, ensure the quality of membrane, thickness uniform error is little, that reduces traction link seat leads film difficulty, also reduce the requirement of strength to cylinder and drum shaft, improve security reliability, reduce the Probability of personnel's injury accident.
Comprehensive, a long die head is divided into two short die heads and carrys out shaping membrane by the present invention, the while of making diaphragm output guaranteed, and the power requirement reduced traction link seat, to produce the diaphragm of 4000mm width, be divided into the die head membrane of two 2000mm in the present invention, the diaphragm gravity that the cylinder of traction link seat both sides and drum shaft bear reduces by half, and reduces the requirement of strength of cylinder and drum shaft.In addition structure of the present invention is simple, is conveniently changed by the screen pack of blocking, realizes extruder and does not shut down the screen pack changing blocking, reduce the waste of material and the input cost of personnel, enhance productivity and output.
Except above preferred embodiment, the present invention also has other embodiment, and those skilled in the art can make various change and distortion according to the present invention, only otherwise depart from spirit of the present invention, all should belong to the scope that claims of the present invention define.
Claims (7)
1. plastic extruding flat film wiredrawing, comprise extrusion mechanism and membrane mechanism, described extrusion mechanism comprises screw cylinder (1) and filter, described membrane mechanism comprises mould, cooling water tank (4), drum assembly and rolling assembly, described screw cylinder is communicated with filter, described filter is communicated with mould, it is characterized in that: described filter is communicated with by distributing T-pipe device (6) with between mould, described mould comprises two die heads (31), the feeding mouth (61) of described distributing T-pipe device is communicated with filter, two discharging openings (62) are communicated with two die heads respectively, described drum assembly comprises cylinder (51) and drives the traction link seat of cylinder, described cylinder is located at the both sides of traction link seat and distinguishes corresponding with two die heads, described traction link seat comprises traction frame (52), motor (53) and the sleeve (54) be fixed in traction frame, the two ends of sleeve lay respectively at the both sides of traction frame, cylinder is drawing in frame by drum shaft (55) switching, one end of described drum shaft is inserted in sleeve and is fixedly connected with sleeve, described driven by motor cylinder rotates on drum shaft, described motor is provided with two and drives the cylinder of traction link seat both sides respectively.
2. plastic extruding flat film wiredrawing according to claim 1, it is characterized in that: described rolling assembly is provided with two groups and distinguishes corresponding with the cylinder of traction link seat both sides, rolling assembly comprises rolling frame (81) and rolling cylinder (82), and described rolling cylinder switching is in the both sides of rolling frame.
3. plastic extruding flat film wiredrawing according to claim 1 and 2, it is characterized in that: described filter comprises the feeding pipe (21) be communicated with screw cylinder, the discharge nozzle (22) be communicated with the feeding mouth of distributing T-pipe device and the intermediate flow channel (23) being communicated with feeding pipe and discharge nozzle, described intermediate flow channel is provided with at least two, removable screen pack (24) is provided with in each intermediate flow channel, one end that described intermediate flow channel is connected with feeding pipe is provided with the first control valve (25), the one end be connected with discharge nozzle is provided with the second control valve (26), described first control valve and the second control valve are opened simultaneously or close.
4. plastic extruding flat film wiredrawing according to claim 3, it is characterized in that: the screen pack in all intermediate flow channel is equipped with three, the screen pack in each intermediate flow channel is followed successively by the first screen pack, the second screen pack, the 3rd screen pack along Flow of Goods and Materials direction.
5. plastic extruding flat film wiredrawing according to claim 4, it is characterized in that: the structure of all intermediate flow channel is identical, the setting position of all first screen packs in each intermediate flow channel is identical, the setting position of all second screen packs in each intermediate flow channel is identical, and the setting position of all 3rd screen packs in each intermediate flow channel is identical.
6. plastic extruding flat film wiredrawing according to claim 4, is characterized in that: the order number of described first screen pack is less than the order number of the second screen pack, and the order number of the second screen pack is less than the order number of the 3rd screen pack.
7. plastic extruding flat film wiredrawing according to claim 3, it is characterized in that: described extrusion mechanism also comprises controller (7), pressure sensor (27) is provided with in described intermediate flow channel, described pressure sensor is connected with controller by holding wire, and described first control valve is for control open/close shutoff valve by controller according to pressure signal; Described second control valve is for control open/close shutoff valve by controller according to pressure signal, or described second control valve is make material flow to the retaining valve of discharge nozzle from middle flow passage one-way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310013692.9A CN103072248B (en) | 2013-01-14 | 2013-01-14 | Plastic extrusion flat film wire drawing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310013692.9A CN103072248B (en) | 2013-01-14 | 2013-01-14 | Plastic extrusion flat film wire drawing machine |
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| Publication Number | Publication Date |
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| CN103072248A CN103072248A (en) | 2013-05-01 |
| CN103072248B true CN103072248B (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310013692.9A Active CN103072248B (en) | 2013-01-14 | 2013-01-14 | Plastic extrusion flat film wire drawing machine |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104593888B (en) * | 2014-12-04 | 2016-08-17 | 余姚市朗霞双俊塑料拉丝厂 | It is provided with the plastic-wire drawing machine of floating head tank |
| CN104562255B (en) * | 2014-12-04 | 2016-09-07 | 宁波绿华橡塑机械工贸有限公司 | It is provided with the pressure binder type wire drawing machine of swaying mechanism |
| CN104608355B (en) * | 2014-12-04 | 2016-12-07 | 宁波绿华橡塑机械工贸有限公司 | It is provided with the pressure binder plastic wire drawing machine of floating head tank |
| CN104593882B (en) * | 2014-12-04 | 2016-09-21 | 余姚市朗霞双俊塑料拉丝厂 | It is provided with the plastic-wire drawing machine of cooling body |
| CN106166828A (en) * | 2016-06-28 | 2016-11-30 | 巢湖市金辉自控设备有限公司 | A kind of wire drawing machine |
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| CN1796085A (en) * | 2004-12-29 | 2006-07-05 | 兰州飞行控制有限责任公司 | Two lips, bilayered wire drawing bench in flat diaphragm type |
| CN200988873Y (en) * | 2006-11-29 | 2007-12-12 | 中国水产科学研究院东海水产研究所 | Single yarn fiber double passageway type non-stop changing net device |
| CN102688554A (en) * | 2012-05-08 | 2012-09-26 | 浙江康康医疗器械有限公司 | Multi-head automatic feeding device for tubing of disposable infusion set |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE2057255A1 (en) * | 1970-11-21 | 1972-05-25 | Huels Chemische Werke Ag | Process for the production of tubular films from thermoplastics with a defined volume shrinkage using the blow molding process |
| US4017227A (en) * | 1974-06-29 | 1977-04-12 | Hoechst Aktiengesellschaft | Apparatus for increasing the production output of stretched flat film webs composed of thermoplastic material |
| CN2072977U (en) * | 1990-04-28 | 1991-03-13 | 连云港市塑料八厂 | Double membrane drawing machine |
| CN2282979Y (en) * | 1997-01-31 | 1998-06-03 | 地方国营昌图县造纸厂 | Paper quilt compound machine |
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2013
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2177580Y (en) * | 1993-10-06 | 1994-09-21 | 何朝池 | Double mould head extruding mechanism for plastic film blowing machine |
| CN1796085A (en) * | 2004-12-29 | 2006-07-05 | 兰州飞行控制有限责任公司 | Two lips, bilayered wire drawing bench in flat diaphragm type |
| CN200988873Y (en) * | 2006-11-29 | 2007-12-12 | 中国水产科学研究院东海水产研究所 | Single yarn fiber double passageway type non-stop changing net device |
| CN102688554A (en) * | 2012-05-08 | 2012-09-26 | 浙江康康医疗器械有限公司 | Multi-head automatic feeding device for tubing of disposable infusion set |
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| CN103072248A (en) | 2013-05-01 |
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