CN203185627U - Condensing line stabilization device - Google Patents

Condensing line stabilization device Download PDF

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Publication number
CN203185627U
CN203185627U CN201320112734XU CN201320112734U CN203185627U CN 203185627 U CN203185627 U CN 203185627U CN 201320112734X U CN201320112734X U CN 201320112734XU CN 201320112734 U CN201320112734 U CN 201320112734U CN 203185627 U CN203185627 U CN 203185627U
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CN
China
Prior art keywords
sensor
condensate line
die head
condensing line
pressurizing unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN201320112734XU
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Chinese (zh)
Inventor
荐田茂幸
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI FUKUSUKE INDUSTRIES Co Ltd
Original Assignee
SHANGHAI FUKUSUKE INDUSTRIES Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN201320112734XU priority Critical patent/CN203185627U/en
Application granted granted Critical
Publication of CN203185627U publication Critical patent/CN203185627U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0017—Combinations of extrusion moulding with other shaping operations combined with blow-moulding or thermoforming
    • 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
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92209—Temperature
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92361—Extrusion unit
    • B29C2948/9238—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/924—Barrel or housing
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92361—Extrusion unit
    • B29C2948/92409—Die; Nozzle zone
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92904—Die; Nozzle zone
    • 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
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films
    • B29C48/913—Cooling of hollow articles of tubular films externally
    • 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
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/914—Cooling of flat articles, e.g. using specially adapted supporting means cooling drums

Landscapes

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

Abstract

The utility model relates to the technical field of thin film manufacturing, and in particular relates to a condensing line stabilization device. The condensing line stabilization device comprises a feeding device, an extrusion device, a die head (6), a cooling device and a traction device (7), wherein a first sensor (11) and a second sensor (12) are arranged at a condensing line position above the die head (6), and are arranged in the vertical direction; an interval is formed between the first sensor (11) and the second sensor (12); the first sensor (11), the second sensor (12), the extrusion device and the cooling device are respectively connected with a control system (10) through a line. Compared with the prior art, the condensing line stabilization device is reasonable in design; the problems of width deviation and thickness deviation of a formed thin film caused by continuous change of a condensing line along with the change of outdoor temperature and extrusion amount are solved; a cured condensing line can keep stable during forming of a resin thin film; high-quality products with non-deviated width and non-deviated thickness can be continuously produced.

Description

The condensate line stabilising arrangement
[technical field]
The utility model relates to the thin film fabrication technical field, specifically a kind of condensate line stabilising arrangement.
[background technology]
At present, the manufacturing process of film as shown in Figure 2, the resin raw material of supplying with in from hopper to extruder is by after the heater heating and melting, by screw rod to crosshead, die head by the continuous shape that is extruded as film, roll the current employed extrusion shaper that comes to this successively after again it being drawn with draw-gear; The thawing resin of extruding in the above-mentioned die head is blown by nozzle from cooling blower, become film by the cooling of air stream again, this solidified position (being condensate line) changes, and the wide cut of the film of producing and thickness just have deviation, can't become high-quality film production.
More than the reason of changes of said condensate line have two kinds may: a kind of is owing to place in the building of extrusion shaper temperature along with the variation of outside air temperature; A kind of is because the variation of resin raw material extrusion capacity.Thereby along with the variation of outside air temperature and extrusion capacity, condensate line is also constantly changing, and the film after therefore being shaped has wide cut deviation and thickness deviation.
In order to address the above problem, be to control condensate line by the operator by the air quantity of increase and decrease cooling blower to make it stable at present, perhaps the variation of condensate line is adjusted extrusion capacity by the quantity delivered of increase and decrease raw material and make condensate line keep stable; Yet, according to the variation of outside air temperature cooling blower being carried out the air quantity adjustment is and difficulty, especially need operating personnel to keep by machine always, this is very very difficult to working continuously round the clock, and, if constantly allow the operator in shifts, the instability quality problem of product also can take place owing to the difference of operator's level.And if only by the air quantity of increase and decrease cooling blower, the filtration mesh obstruction of extrusion shaper etc. causes can't forming under the extrusion capacity situation on the low side the condensate line of nature, deficient in stability; Again and, increase and decrease the method for the quantity delivered of raw material in order to adjust extrusion capacity, the problem for the variation meeting generation time of condensate line lags behind is difficult to make suitable correction, also is difficult to make simultaneously delicate adjustment.
[utility model content]
The purpose of this utility model is exactly will solve above-mentioned deficiency and a kind of condensate line stabilising arrangement is provided, having solved condensate line constantly changes along with the variation of outside air temperature and extrusion capacity, the shaping rear film wide cut deviation that occurs and the problem of thickness deviation, solidify condensate line when having guaranteed the resin film moulding and can keep stable, realized the continuous production of wide cut, the agonic quality product of thickness.
Design a kind of condensate line stabilising arrangement for achieving the above object, comprise feed arrangement, pressurizing unit, die head 6, cooling device and draw-gear 7, condensate line position, described die head 6 top is provided with first sensor 11 and second sensor 12, described first sensor 11, second sensor, 12 upper and lower settings, described first sensor 11, second sensor leave between about in the of 12 at interval, and described first sensor 11, second sensor 12, pressurizing unit, cooling device are respectively by line connection control system 10.
Described pressurizing unit comprises extruder 2, screw rod and heating plate 14, and described screw rod is installed in the extruder 2, described screw rod circuit connection control system 10.
Described cooling device comprises cooling blower 8 and nozzle 8a, and described nozzle 8a is installed in die head 6 tops, described cooling blower 8 line connection control systems 10.
Described feed arrangement comprises hopper 15, and the discharging opening of described hopper 15 connects pressurizing unit, is provided with weigh-hatching plant in the described hopper 15.
Be connected by crosshead 5 between described pressurizing unit and the die head 6.
The utility model is compared with prior art, novel structure, simply, reasonable in design, because condensate line position (position that the tubular resin film of namely extruding expands) is provided with to detect first sensor and second sensor of condensate line above die head, this first sensor, the second sensor upper and lower settings and up and down between leave at interval, by this first sensor and second sensor signal that detected condensate line changes is input to control system, by control system the revolution of the screw rod of the revolution of the cooling blower of cooling tubular resin and extrusion resin raw material is controlled, solidify condensate line when guaranteeing the resin film moulding and can keep stable, thereby can produce thickness and the uniform product of wide cut; In addition, the utility model correction because condition changes the variation of the condensate line position cause, make remaining on the certain height that condensate line can be stable, even when working continuously round the clock, also tackled because fully realized unmanned management, realized the continuous production of wide cut, the agonic quality product of thickness, the automaticity height is worthy of popularization.
[description of drawings]
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the prior art structural representation;
Among the figure: 1, hopper 22, extruder 2a, heating plate 23, raw material 4, screw rod 5, crosshead 6, die head 7, draw-gear 8, cooling blower 8a, nozzle 9, tubular film 10, control system 11, first sensor 12, second sensor 14, heating plate 15, hopper.
[specific embodiment]
Further specify below below in conjunction with accompanying drawing the utility model being done:
As shown in Figure 1, the utility model comprises: feed arrangement, pressurizing unit, die head 6, cooling device and draw-gear 7, condensate line position, die head 6 top is provided with first sensor 11 and second sensor 12, first sensor 11, second sensor, 12 upper and lower settings, first sensor 11, second sensor leaves between about in the of 12 at interval, first sensor 11, second sensor 12, pressurizing unit, cooling device is respectively by line connection control system 10, pressurizing unit comprises extruder 2, screw rod and heating plate 14, screw rod is installed in the extruder 2, screw rod circuit connection control system 10, cooling device comprises cooling blower 8 and nozzle 8a, nozzle 8a is installed in die head 6 tops, cooling blower 8 line connection control systems 10, feed arrangement comprises hopper 15, the discharging opening of hopper 15 connects pressurizing unit, is provided with weigh-hatching plant in the hopper 15, is connected by crosshead 5 between pressurizing unit and the die head 6.
As shown in Figure 2, be the prior art structural representation, the 2 interior raw material 3(resin raw materials of supplying with from hopper 21 to extruder) by after the heating plate two 2a heating and melting, by screw rod 4 to crosshead 5, die head 6 by the continuous shape that is extruded as film, roll the current employed extrusion shaper that comes to this successively after again it being drawn with draw-gear 7; The thawing resin of extruding in the above-mentioned die head 6 is blown by nozzle 8a from cooling blower 8, become tubular film 9 by the cooling of air stream again, the words that this solidified position (being condensate line) changes, wide cut and the thickness of the tubular film of producing 9 just have deviation, thereby can't become high-quality film production.
In the utility model, after the raw material dissolving in supplying to extruder, by the screw rod in the extruder raw material is extruded, by becoming tubular film 9 at profile extruded machine place again behind the die head, (being the position that expands of the tubular resin film extruded the die head) upper and lower settings is used for detecting first sensor and second sensor of condensate line from condensate line position, die head top, leave certain intervals in the middle of both, by first sensor and second sensor signal that detected condensate line changes is input to control system, by control system the revolution of the screw rod of the revolution of the cooling blower of cooling tubular resin and extrusion resin raw material is controlled again, thereby guaranteed the stable of condensate line.
The utlity model has when surpassing the cooling blower control range, the revolution of screw rod is controlled to carry out the increase and decrease of raw material extrusion capacity, solidifying condensate line during with the moulding of assurance resin film can often keep stable, thereby can produce thickness and the uniform product of wide cut.When outside air temperature uprises, condensate line rises on the position, the outside air temperature step-down, and the condensate line position descends; Increase extrusion capacity, condensate line rises, and reduces extrusion capacity, and condensate line descends; If increase the air quantity of cooling blower, then condensate line descends, and reduces the air quantity of cooling blower, and then condensate line rises; Thereby the switch at first sensor and second sensor occurs under the situation of ON simultaneously, and then condensate line is in the ratio sensor position can to perceive the condensate line position high the time too high, so increase cooling air quantity, reduces the screw rod revolution to reduce extrusion capacity; If sheltered from fully by the tubular resin at first sensor and second sensor, switch occurs under the situation of OFF simultaneously, and then perceiving condensate line, to be in the ratio sensor position low, and the condensate line position is low excessively, so the minimizing cooling air quantity increases the screw rod revolution to increase extrusion capacity; Such control is being carried out always, is till ON, second inductor become state for OFF up to first inductor, and it is stable that state could keep.
The utility model is not subjected to the restriction of above-mentioned embodiment; other any do not deviate from change, the modification done under spiritual essence of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.

Claims (5)

1. condensate line stabilising arrangement, comprise feed arrangement, pressurizing unit, die head (6), cooling device and draw-gear (7), it is characterized in that: condensate line position, described die head (6) top is provided with first sensor (11) and second sensor (12), described first sensor (11), second sensor (12) upper and lower settings, described first sensor (11), second sensor (12) leaves between up and down at interval, described first sensor (11), second sensor (12), pressurizing unit, cooling device is respectively by line connection control system (10).
2. condensate line stabilising arrangement as claimed in claim 1, it is characterized in that: described pressurizing unit comprises extruder (2), screw rod and heating plate (14), described screw rod is installed in the extruder (2), described screw rod circuit connection control system (10).
3. condensate line stabilising arrangement as claimed in claim 1, it is characterized in that: described cooling device comprises cooling blower (8) and nozzle (8a), described nozzle (8a) is installed in die head (6) top, described cooling blower (8) line connection control system (10).
4. as claim 1,2 or 3 described condensate line stabilising arrangements, it is characterized in that: described feed arrangement comprises hopper (15), and the discharging opening of described hopper (15) connects pressurizing unit, and described hopper is provided with weigh-hatching plant in (15).
5. condensate line stabilising arrangement as claimed in claim 4 is characterized in that: be connected by crosshead (5) between described pressurizing unit and the die head (6).
CN201320112734XU 2013-03-13 2013-03-13 Condensing line stabilization device Expired - Lifetime CN203185627U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320112734XU CN203185627U (en) 2013-03-13 2013-03-13 Condensing line stabilization device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320112734XU CN203185627U (en) 2013-03-13 2013-03-13 Condensing line stabilization device

Publications (1)

Publication Number Publication Date
CN203185627U true CN203185627U (en) 2013-09-11

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103171122A (en) * 2013-03-13 2013-06-26 上海福助工业有限公司 Condensing line stabilization device
IT201800001787A1 (en) * 2018-01-24 2019-07-24 Selene Spa Method and device for controlling the temperature of refrigerated components of a blown extrusion apparatus and apparatus comprising said device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103171122A (en) * 2013-03-13 2013-06-26 上海福助工业有限公司 Condensing line stabilization device
CN103171122B (en) * 2013-03-13 2015-12-23 上海福助工业有限公司 Condensate line stabilising arrangement
IT201800001787A1 (en) * 2018-01-24 2019-07-24 Selene Spa Method and device for controlling the temperature of refrigerated components of a blown extrusion apparatus and apparatus comprising said device

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C14 Grant of patent or utility model
GR01 Patent grant
C53 Correction of patent of invention or patent application
CB03 Change of inventor or designer information

Inventor after: Kaji Machi

Inventor before: Komoda Shigeyuki

COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: KOMODA SHIGEYUKI TO: SHINICHI KAJI

CB03 Change of inventor or designer information

Inventor after: Komoda Shigeyuki

Inventor before: Kaji Machi

CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Komoda Shigeyuki

Inventor after: Yu Gao Liang

Inventor before: Komoda Shigeyuki

CB03 Change of inventor or designer information
CX01 Expiry of patent term

Granted publication date: 20130911

CX01 Expiry of patent term