CN103072248A - Plastic extrusion flat film wire drawing machine - Google Patents
Plastic extrusion flat film wire drawing machine Download PDFInfo
- Publication number
- CN103072248A CN103072248A CN2013100136929A CN201310013692A CN103072248A CN 103072248 A CN103072248 A CN 103072248A CN 2013100136929 A CN2013100136929 A CN 2013100136929A CN 201310013692 A CN201310013692 A CN 201310013692A CN 103072248 A CN103072248 A CN 103072248A
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- cylinder
- communicated
- flat film
- flow channel
- screen pack
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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 for productivity gain, and die head or die lip are lengthened, and what have has reached 4000mm, after the transformation, can produce series of problems, 1 like this) problem of machining accuracy step-down and material deformation is sharply serious, causes diaphragm thickness inhomogeneous; 2) the film difficulty is led in increase, and is higher to the operating technology requirement, because diaphragm is wide, needs more personnel go monitoring; 3) safety coefficient reduces, owing to needing the corresponding drum length that lengthens, operations area increases, and cylinder runs up, and the probability that personnel's injury accident is occured increases.
Summary of the invention
The purpose that the present invention will reach just provides a kind of plastic extruding flat film wiredrawing, when the output of product does not reduce, easily leads film, reduces requirement of strength and power requirement to the traction unit.
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, be communicated with by the distributing T-pipe device between described filter and the mould, described mould comprises two die heads, and 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 the traction unit of cylinder and drive cylinder, and described cylinder is located at the both sides of traction unit and distinguishes corresponding with two die heads.Each cylinder load reduces, and turns round more stable, and security increases.
Further, described traction unit comprises traction frame, motor and is fixed on the sleeve that draws in the frame, the two ends of sleeve lay respectively at the both sides of traction frame, cylinder is drawing on the frame by the drum shaft switching, one end of described drum shaft is inserted in the sleeve and is fixedly connected with sleeve, and described driven by motor cylinder rotates at drum shaft.Such structure is convenient to installing/dismounting, and is easy to maintenance, cost is low.
Further, described motor is provided with two cylinders that also drive respectively traction unit both sides.By changing the adjustment of rotational speed hauling speed of two motors, can realize the product of two kinds of identical or different models of a production of machinery.
Further, described rolling assembly is provided with two groups and corresponding respectively with the cylinder of traction unit both sides, and the 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 down, more near the width of rolling frame, so that plastic wire all keeps approximate parallel conveying between straight line output and the plastic wire when carrying from cylinder to the rolling cylinder as far as possible, reduce plastic wire bending even fracture, improve the finished product rate, reduce the wastage.
Further, described filter comprises the feeding pipe that is communicated with screw cylinder, the discharge nozzle that is communicated with the feeding mouth of distributing T-pipe device and is communicated with the intermediate flow channel of feeding pipe and discharge nozzle, described intermediate flow channel is provided with at least two, be provided with removable screen pack in each intermediate flow channel, the end that the end that described intermediate flow channel is connected with feeding pipe is provided with the first control valve, be connected with discharge nozzle is provided with the second control valve, and described the first control valve and the second control valve are opened simultaneously or closed.
Further, the screen pack in all intermediate flow channel is equipped with that at least two and quantity are identical, and the screen pack in each intermediate flow channel is followed successively by the first screen pack, the second screen pack along the Flow of Goods and Materials direction, the like.
Further, the structure of all intermediate flow channel is identical, and the setting position of all the first screen packs in each intermediate flow channel is identical, and the setting position of all the second screen packs in each intermediate flow channel is identical, the like.
Further, the order number of described the 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, be provided with pressure sensor in the described intermediate flow channel, described pressure sensor is connected with controller by holding wire, described the first control valve is for to control open/close shutoff valve by controller according to pressure signal, and described the second control valve is for to control open/close shutoff valve by controller according to pressure signal; Perhaps described the second control valve is to make material flow to the retaining valve of discharge nozzle from middle flow passage one-way.
After adopting technique scheme, the present invention has following advantage: 1) a long die head is divided into two short die heads and comes the moulding membrane, make the guaranteed while of diaphragm output, and reduce drawing the power requirement of unit, take the diaphragm of producing the 4000mm width as example, the die head membrane that is divided in the present invention two 2000mm, the diaphragm gravity that the cylinder of traction unit both sides and drum shaft bear reduces by half, to the requirement of strength reduction of cylinder and drum shaft; 2) simple in structure, convenient screen pack with obstruction is changed, and the realization extruder is not shut down and changed the screen pack that stops up, and reduces the waste of material and personnel's input cost, enhances productivity.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing:
Fig. 1 is the structural representation of the first embodiment of the present invention;
Fig. 2 is I place enlarged drawing among 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.
The specific embodiment
Embodiment one:
Be as illustrated in fig. 1 and 2 the first embodiment of the present invention, 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, be communicated with by distributing T-pipe device 6 between described filter and the mould, described mould comprises two die heads 31, and 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 the traction unit of cylinder 51 and drive cylinder, and described cylinder is located at the both sides of traction unit and distinguishes corresponding with two die heads.Described traction unit comprises traction frame 52, motor 53 and is fixed on the sleeve 54 that draws in the frame, the two ends of sleeve lay respectively at the both sides of traction frame, cylinder is drawing on the frame by drum shaft 55 switchings, one end of described drum shaft is inserted in the sleeve and is fixedly connected with sleeve, and described driven by motor cylinder rotates at drum shaft.The structure of above-mentioned traction unit, the previous longer cylinder of comparing has not only reduced the requirement of strength to drum shaft by the structure of single drum shaft switching, also so that the installing/dismounting of cylinder and drum shaft becomes convenient, therefore safeguards also convenient.In the present embodiment, motor has only been established one, and is simple and convenient, can drive cylinder by gear mechanism or chain-chain-wheel mechanism and rotate.
Described rolling assembly is provided with two groups and corresponding respectively with the cylinder of traction unit both sides, and the 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 down, more near the width of rolling frame, so that plastic wire all keeps approximate parallel conveying between straight line output and the plastic wire when carrying from cylinder to the rolling cylinder as far as possible, reduce plastic wire bending even fracture, improve the 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 to change water conveniently, and two cooling water tanks can certainly be set.
Described filter comprises the feeding pipe 21 that is communicated with screw cylinder, the discharge nozzle 22 that is communicated with the feeding mouth of distributing T-pipe device and is communicated with the intermediate flow channel 23 of feeding pipe and discharge nozzle, described intermediate flow channel is provided with at least two, be provided with removable screen pack 24 in each intermediate flow channel, the end that the end that described intermediate flow channel is connected with feeding pipe is provided with the first control valve 25, be connected with discharge nozzle is provided with the second control valve 26, and described the first control valve and the second control valve are opened simultaneously or closed.In the present embodiment, describe as an example of two intermediate flow channel example.
In order to strengthen filter effect, reduce impurity, the screen pack in all intermediate flow channel is equipped with that at least two and quantity are identical, and the screen pack in each intermediate flow channel is followed successively by the first screen pack, the second screen pack along the 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 the first screen packs in each intermediate flow channel is identical, and the setting position of all the second screen packs in each intermediate flow channel is identical, the like.Pressure when material flows in each intermediate flow channel like this can both be close to each other.In order to improve filter effect, the order number of described the 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 to say and filter first oarse-grained impurity, then filter gradually the impurity of medium grain, filter at last short grained impurity, so that the screen pack of diverse location is divided the work in intermediate flow channel, improve filter effect and the service life of screen pack.
In addition, the first control valve and the second control valve can adopt manual control, for the mobility status of convenient in time control material when center-aisle stops up is changed the screen pack that stops up, described extrusion mechanism has also increased controller 7, be provided with pressure sensor 27 in the described intermediate flow channel, described pressure sensor is connected with controller by holding wire, and described the first control valve is for to control open/close shutoff valve by controller according to pressure signal.In the present embodiment, described the second control valve is for to control open/close shutoff valve by controller according to pressure signal.Described the first control valve and the second control valve can adopt magnetic valve, so also can reduce the waste of material and personnel's input.
As the intensive filtration effect, in described discharge nozzle, be provided with the discharging screen pack during in the end discharging, also can not increase.
Embodiment two:
Be illustrated in figure 3 as the second embodiment of the present invention, the present embodiment and embodiment one are similar, distinguish just to be, described the second control valve 26 is for to make material flow to the retaining valve of discharge nozzle from middle flow passage one-way, and the retaining valve need not be controlled by controller.Also can a shutoff valve and a retaining valve 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 all are provided with one at least, and principle is identical, repeats no more.
Embodiment three:
Be illustrated in figure 4 as the third embodiment of the present invention, the present embodiment and embodiment one are similar, difference just is, described motor is provided with two cylinders that also drive respectively traction unit both sides, like this can be according to needs of production, by changing the adjustment of rotational speed hauling speed of two motors, can realize the product of two kinds of identical or different models of a production of machinery.Described cooling water tank is provided with two and corresponding with two die heads respectively.Can be provided with flow control valve at two discharging openings of distributing T-pipe device in addition, can be complementary to regulate corresponding flow with the rotating speed of two motors.The present embodiment also can be implemented with embodiment two combinations.
The present invention realizes that the operation principle of not shutting down draping is described as follows as an example of one or two intermediate flow channel of embodiment example: during the machine start; all first control valves and the second control valve are all opened; after the normal discharging of discharge nozzle; the first control valve in the optional center-aisle and the second control valve are closed or are semi-closed; so-called semi-closed refer to control flow be reduced to normal discharge half or half below; such as selecting the right center-aisle among Fig. 1 closed or semi-closed; material in the center-aisle of the left side normally circulates; after the screen pack in the center-aisle of the left side stops up; pressure sensor monitoring in the center-aisle on the left side increases above setting value to pressure; and with pressure signal transmission in controller; the first control valve and the second control valve that controller is just controlled in the center-aisle of the left side are closed; open simultaneously the first control valve and the second control valve in the center-aisle of the right; make material from the center-aisle of the right, be circulated to discharge nozzle; owing to saying before; the first control valve in the center-aisle of the right and the second control valve are closed or semi-closed before had material to flow therein; therefore can continue to flow after the first control valve and the second control valve are opened; and meanwhile, the workman just can go the filter screen replacement that stops up in the center-aisle of the left side is fallen.When the screen pack in the center-aisle of the right stops up; pressure sensor in the center-aisle of the right can monitor pressure rise and pressure signal transmission is arrived controller; controller cuts out the first control valve in the center-aisle of the right and the second control valve; open simultaneously the first control valve and the second control valve in the center-aisle of the left side; the workman falls the filter screen replacement that stops up in the center-aisle of the right, and so circulation just can realize not shutting down draping.And on this basis, three center-aisles or four center-aisles or more center-aisle are set, just can realize not shutting down draping as long as there is the screen pack of an intermediate flow channel not stop up, thereby improve output.
The present invention is transformed into two shorter die heads realizations with original long die head in addition, guarantee machining accuracy and the service life of die head, guarantee the quality of membrane, the even thickness error is little, that reduces the traction unit leads the film difficulty, also reduce the requirement of strength to cylinder and drum shaft, improved security reliability, reduced the Probability of personnel's injury accident.
Comprehensive, the present invention is divided into two short die heads with a long die head and comes the moulding membrane, make the guaranteed while of diaphragm output, and reduce drawing the power requirement of unit, take the diaphragm of producing the 4000mm width as example, the die head membrane that is divided in the present invention two 2000mm, the diaphragm gravity that the cylinder of traction unit both sides and drum shaft bear reduces by half, to the requirement of strength reduction of cylinder and drum shaft.The present invention is simple in structure in addition, and convenient screen pack with obstruction is changed, and the realization extruder is not shut down and changed the screen pack that stops up, and reduces the waste of material and personnel's input cost, enhances productivity and output.
Except above preferred embodiment, the present invention also has other embodiment, and those skilled in the art can make according to the present invention various changes and distortion, only otherwise break away from spirit of the present invention, all should belong to the defined scope of claims of the present invention.
Claims (10)
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: be communicated with by distributing T-pipe device (6) between described filter and the mould, described mould comprises two die heads (31), and the feeding mouth of described distributing T-pipe device (61) is communicated with filter, two discharging openings (62) are communicated with two die heads respectively.
2. plastic extruding flat film wiredrawing according to claim 1 is characterized in that: described drum assembly comprises cylinder (51) and drives the traction unit of cylinder, and described cylinder is located at the both sides of traction unit and corresponding respectively with two die heads.
3. plastic extruding flat film wiredrawing according to claim 2, it is characterized in that: described traction unit comprises traction frame (52), motor (53) and is fixed on the sleeve (54) that draws in the frame, the two ends of sleeve lay respectively at the both sides of traction frame, cylinder is drawing on the frame by drum shaft (55) switching, one end of described drum shaft is inserted in the sleeve and is fixedly connected with sleeve, and described driven by motor cylinder rotates at drum shaft.
4. plastic extruding flat film wiredrawing according to claim 3 is characterized in that: described motor is provided with two and drive respectively the cylinders of traction unit both sides.
5. plastic extruding flat film wiredrawing according to claim 1, it is characterized in that: described rolling assembly is provided with two groups and corresponding respectively with the cylinder of traction unit both sides, the rolling assembly comprises rolling frame (81) and rolling cylinder (82), and described rolling cylinder switching is in the both sides of rolling frame.
6. according to claim 1 and 2 or 3 or 4 or 5 described plastic extruding flat film wiredrawings, it is characterized in that: described filter comprises the feeding pipe (21) that is communicated with screw cylinder, the intermediate flow channel (23) of the discharge nozzle (22) that is communicated with the feeding mouth of distributing T-pipe device and connection feeding pipe and discharge nozzle, described intermediate flow channel is provided with at least two, be provided with removable screen pack (24) in each intermediate flow channel, the end that described intermediate flow channel is connected with feeding pipe is provided with the first control valve (25), an end that is connected with discharge nozzle is provided with the second control valve (26), and described the first control valve and the second control valve are opened simultaneously or closed.
7. plastic extruding flat film wiredrawing according to claim 6, it is characterized in that: it is identical that the screen pack in all intermediate flow channel is equipped with at least two and quantity, screen pack in each intermediate flow channel is followed successively by the first screen pack, the second screen pack along the Flow of Goods and Materials direction, the like.
8. plastic extruding flat film wiredrawing according to claim 7, it is characterized in that: the structure of all intermediate flow channel is identical, the setting position of all the first screen packs in each intermediate flow channel is identical, and the setting position of all the second screen packs in each intermediate flow channel is identical, the like.
9. plastic extruding flat film wiredrawing according to claim 7 is characterized in that: the order number of described the 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.
10. plastic extruding flat film wiredrawing according to claim 6, it is characterized in that: described extrusion mechanism also comprises controller (7), be provided with pressure sensor (27) in the described intermediate flow channel, described pressure sensor is connected with controller by holding wire, and described the first control valve is for to control open/close shutoff valve by controller according to pressure signal; Described the second control valve is for to control open/close shutoff valve by controller according to pressure signal, and perhaps described the second control valve is to make material flow to the retaining valve of discharge nozzle from middle flow passage one-way.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310013692.9A CN103072248B (en) | 2013-01-14 | 2013-01-14 | Plastic extrusion flat film wire drawing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310013692.9A CN103072248B (en) | 2013-01-14 | 2013-01-14 | Plastic extrusion flat film wire drawing machine |
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| CN103072248A true CN103072248A (en) | 2013-05-01 |
| CN103072248B CN103072248B (en) | 2015-03-18 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104562255A (en) * | 2014-12-04 | 2015-04-29 | 宁波绿华橡塑机械工贸有限公司 | Reinforced compression type wire drawing machine provided with wire swaying mechanism |
| CN104593888A (en) * | 2014-12-04 | 2015-05-06 | 余姚市朗霞双俊塑料拉丝厂 | Plastic-wire drawing machine with floating type feeding barrel |
| CN104608355A (en) * | 2014-12-04 | 2015-05-13 | 宁波绿华橡塑机械工贸有限公司 | Forced material-pressing type plastic drawing machine provided with floating type feeding barrel |
| 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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| 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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| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104562255A (en) * | 2014-12-04 | 2015-04-29 | 宁波绿华橡塑机械工贸有限公司 | Reinforced compression type wire drawing machine provided with wire swaying mechanism |
| CN104593888A (en) * | 2014-12-04 | 2015-05-06 | 余姚市朗霞双俊塑料拉丝厂 | Plastic-wire drawing machine with floating type feeding barrel |
| CN104608355A (en) * | 2014-12-04 | 2015-05-13 | 宁波绿华橡塑机械工贸有限公司 | Forced material-pressing type plastic drawing machine provided with floating type feeding barrel |
| 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 |
| 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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| Publication number | Publication date |
|---|---|
| CN103072248B (en) | 2015-03-18 |
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