CN101177040B

CN101177040B - Film cooling forming device of film-blowing machine

Info

Publication number: CN101177040B
Application number: CN2007101570430A
Authority: CN
Inventors: 李志淮
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-11-20
Filing date: 2007-11-20
Publication date: 2010-12-22
Anticipated expiration: 2027-11-20
Also published as: CN101177040A

Abstract

The invention discloses a film cooling molding apparatus for the film blower, which comprises an intake plate, an inner cooling water diversion barrel, an outer cooling water ring, a water-scraping barrel, a water-collecting barrel and a water absorption container. The intake plate is arranged on the upper of the inner water diversion cooling barrel; the intake plate is connected with an inlet pipe; the upper end of the outer cooling water ring is open and is covered out of the inner water diversion cooling barrel; a water inlet hole is arranged at upper part of the inner water diversion cooling barrel; a water inlet pipe is arranged at the water inlet hole; the water-scraping barrel and the water-collecting barrel are arranged in sequence under the inner water diversion cooling barrel and the water-scraping barrel; the water-collecting barrel and the inner water diversion cooling barrel are communicated with each other; a pumping pipe is connected with the water-collecting barrel; the water absorption container is arranged under the water-collecting barrel; the water absorption container is provided with a water absorption sponge and the water absorption container is connected with a suction pipe. With simple structure and low production cost, the invention has the advantages that the inside and outside water is contacted with the film base directly; the fast and even cooling is achieved; the problems of poor cooling and non-uniform thickness of the film base in prior art are solved.

Description

The cooling forming device of film of inflation film manufacturing machine

Technical field

What the present invention relates to is a kind of improvement invention of cooling forming device of film of inflation film manufacturing machine, particularly be a kind of cooling forming device of bi-directional synchronization stretching inflation film manufacturing machine.

Background technology

At present, produce the film machine of BOPP (periosteum method bidirectional stretching polypropylene film) class, based on flat embrane method, but flat embrane method machine complex structure, cost are very high, purchase machine to producer and bring economically difficulty; The inflation film manufacturing machine of another kind of periosteum method, its cooling tank that adopts cools off indirectly, the method of the steady bubble of the outer photoelectricity of pipe, design difficulty is very big, manufacturing cost is also very high, and cooling effect is unsatisfactory, and PP expect behind the die orifice can rapid crystallization, and the stretching in step can't be carried out, in addition, this kind machine is to utilize cold air to finalize the design, the thickness of cooling and controlling diaphragm base pipe, thereby also there is an error of film base tube thickness, make the film base thickness of pipe thin inhomogeneous, according to the deficiencies in the prior art, its cooling forming device of film of producing the film machine of BOPP class also needs to improve the demand that satisfies producer.

Summary of the invention

In view of the existing technical problem of known technology, technical problem to be solved by this invention provides a kind of simple in structure, low cost of manufacture and can cool off film base pipe, effective crystallization control fast, and makes the uniform film base of film base pipe longitudinal thickness pipe cooling forming device.

In order to solve the problems of the technologies described above, the present invention is realized by following mode: this cooling forming device of film includes air inlet disk, interior cooling divides bucket, outer cooling water ring, scrape bucket, water receiver and water-absorbing tank, cooling divided the top of bucket in described air inlet disk was arranged on, a described air inlet disk and an air inlet pipe are connected, its upper end of described outer cooling water ring is open, cooling divides outside the bucket in being placed in, there is film base tube passage between the two, cooling divides the top of bucket to be provided with the inlet opening in described, this inlet opening is extended with water inlet pipe, described scrape bucket and water receiver be successively set in cooling divide the below of bucket, and the three communicates, described water receiver is connected with a drinking-water pipe, described water-absorbing tank is arranged on the below of water receiver, described water-absorbing tank has water-absorbing sponge, and tapered and its bottom, described water-absorbing tank bottom is provided with the suction hole, and described water-absorbing tank is connected with suction hose.

Described side of scraping bucket is provided with scrapes the water hole and scrapes water pond, and the described water pond of scraping is arranged on the below of scraping the water hole, and scrapes the internal diameter of the external diameter of water pond less than outer cooling water ring, and described scraping also is provided with the tonifying Qi hole on the bucket, and this tonifying Qi hole is connected with a blowdown pipe.

Cooling divided outside the bucket in described outer cooling water ring can be placed in up or down, described outer cooling water ring includes calibration sleeve and tank, described calibration sleeve is installed in the interior ring of tank, the lower end of described tank is provided with water inlet, be provided with water fender in the described tank, this water fender communicates tank layering and tank up and down.

Cooling divides the upper end of bucket also to be provided with the shunting disk equal water jacket outer with being arranged on shunting disk in described, the upper end of this shunting disk is provided with water deflector cover, described inlet opening is arranged in the shunting disk, described shunting disk is provided with apopore, cooling divides the bottom surface of bucket to be provided with the limbers in described, and described limbers is provided with water service pipe; Be provided with flow splitter in the described shunting disk, described flow splitter is provided with through hole.

Described air inlet disk is provided with delivery port, and described interior cooling divides the top of bucket to have steam vent, and this steam vent is arranged on the blast pipe.

The present invention is at first finalized the design to film base pipe by the air of air inlet disk, then divide bucket to combine by outer cooling water ring and interior cooling, film base pipe is directly contacted with cold water, inside and outside cold water is lowered the temperature simultaneously, cools off, is finalized the design, cooling velocity is fast and even, removed the film base and caused the film base to produce the crystallization distortion because of inhomogeneous cooling is even, the problem that the stretching that goes on foot can't be carried out.And cold water contacts with film base pipe equably, makes the thick of film base pipe

Degree has evenly solved and has adopted the not enough and uneven problem of film base tube thickness of cooling tank cooling in the background technology.Blowing bucket and water receiving pipe collects the water of remnants or used cold water respectively and gets rid of, and can utilize again, the water-absorbing sponge of water-absorbing tank is fog on the absorbing film base inside pipe wall and remaining water then, the water that may be present in the water-absorbing tank surface in addition also can along with the conical bottom surface current to the suction hole, by the suction hole it is sucked in water-absorbing tank eventually at last, discharge by suction hose, so guaranteed that fully the moisture of film base inside pipe wall is thoroughly blotted.The present invention compared with prior art its structure is comparatively simple, low cost of manufacture, but its cooling effect is better, and the product quality of production is higher.Thereby the present invention compared with prior art has outstanding substantive distinguishing features and obvious improvement.

Description of drawings

Further describe the relevant details of embodiment below in conjunction with accompanying drawing.

Fig. 1 is an overall structure schematic diagram of the present invention.

Number in the figure: 1-drinking-water pipe; The 2-blowdown pipe; The 3-water inlet pipe; The 4-air inlet pipe; The 5-suction hose; The 6-apopore; The 7-air inlet disk; The 8-gas outlet; The 9-shunting disk; The 10-through hole; The 11-flow splitter; 12-scrapes the water hole; 13-scrapes bucket; 14-scrapes water pond; 15-tonifying Qi hole; The 16-plexiglass tent; The 17-water-absorbing tank; The 18-water-absorbing sponge; The 19-dividing plate; 20-water-absorbing tank inner chamber; 21-mouth mould; The 22-steam vent; The 23-blast pipe; The 24-water deflector cover; The 25-backwater hole; The equal water jacket of 26-; 27-cools off water ring outward; 28-second water fender; 29-first water fender; The 30-inlet opening; The 31-tank; The 32-calibration sleeve; 33-film base tube passage; Cooling divides bucket in the 34-; The 35-water service pipe; The 36-limbers; 37-film base pipe; The 38-water receiver; The 39-hole that absorbs water.

The specific embodiment

With reference to accompanying drawing, the cooling forming device of film of this kind inflation film manufacturing machine, include air inlet disk 7, interior cooling divide bucket 34, outward cool off water ring 27, scrape bucket 13, water receiver 38 and water-absorbing tank 17, cooling divided the top of bucket 34 in described air inlet disk 7 was arranged on, described air inlet disk 7 is communicated with an air inlet pipe 4, described air inlet disk 7 is provided with gas outlet 8, and described interior cooling divides the top of bucket 34 to have steam vent 22, and this steam vent 22 is arranged on the blast pipe 23; Described outer cooling water ring 27 its upper ends are open, cooling divides outside the bucket 34 in being placed in, there is film base tube passage 33 between the two, cooling water ring 27 can move up and down outside described, when the film base has just begun to enter cooling, can move apart interior cooling branch bucket 34 with cooling off water ring 27 outward like this, avoiding outer cooling water ring 27 to block the film base descends, when treating that film base head drops to water receiver 38 positions, will cool off water ring 27 more outward and promote, and make it equal with equal water jacket 26.Described outer cooling water ring 27 includes calibration sleeve 32 and tank 31, described calibration sleeve 32 is installed in the interior ring of tank, the external diameter lower end of described tank 31 is provided with water inlet, do not draw among the figure, be provided with water fender in the tank, be provided with first water fender 29 and second water fender 28 in the present embodiment, and the width of water fender is shorter than the internal diameter of tank, first, second water fender is connected with the inwall of tank and the inwall of calibration sleeve respectively, such first, second water fender is divided into three layers and make in the tank and communicate up and down with tank 31, so cold water can round about manner, be full of tank 31 by easy stages, make current milder.Cooling divides the top of bucket 34 to be provided with inlet opening 30 in described, this inlet opening is extended with water inlet pipe 3, the upper end of cooling branch bucket 34 is provided with backwater hole 25, shunting disk 9 and is arranged on the outer equal water jacket 26 of shunting disk in described, the upper end of described shunting disk 9 is provided with water deflector cover 24, described inlet opening 30 be arranged on shunting disk 9 in, described shunting disk 9 is provided with apopore 6; Described backwater hole 25 is arranged between shunting disk 9 and the equal water jacket 26, and the height of backwater hole 25 is higher than the height of equal water jacket 26, when inside and outside water flows out simultaneously, the height of its outflow is equal, could guarantee that so the film base thickness of pipe is evenly thin, if the water that diffuses out from equal water jacket 26 may be higher than the cold water that calibration sleeve 32 diffuses out, then water just flows in the backwater hole, backwater hole has two, in order to avoid can be entered by the another one hole during hole plug, so just guarantees fully that the height of inside and outside current maintains an equal level.Be provided with flow splitter 11 in the described shunting disk 9, this flow splitter 11 is provided with 48 through holes 10, cold water is slowed down the speed of current by flow splitter 11 through shunting disk 9, then by after equal water jacket 26 storages, this cold water is walked around equal water jacket 26 more reposefully and is overflowed, thus shunting disk 9 and all water jacket 26 play equally the current slow effect that flattens.Cooling divides the bottom surface of bucket 34 to be provided with limbers 36 in described, described limbers 36 is provided with water service pipe 35, cooling divides the cold water in the bucket 34 in being back to by backwater hole 25 like this, the height that can accumulate water service pipe 35, thereby the inwall of cooling film base pipe 37 that can be indirect, dilutional hyponatremia can cover water service pipe 35, is entered to flow to by water service pipe and scrapes bucket 13, arrives water receiver 38.Described scrape bucket 13 and water receiver 38 be successively set in cooling divide the below of bucket 34, the three communicates, described water receiver 38 is connected with a drinking-water pipe 1.Described side of scraping bucket 13 is provided with two-layerly up and down scrapes water hole 12 and scrapes water pond 14, and every layer is 24, the described water pond 14 of scraping is arranged on the below of scraping water hole 12, and scrape the internal diameter of the external diameter of water pond 14 less than outer cooling water ring 27, described scraping also is provided with tonifying Qi hole 15 on the bucket 13, this tonifying Qi hole 15 is connected with blowdown pipe 2.The surface of described water receiver 38 is provided with plexiglass tent 16, thereby can observe the water level of water receiver 38 inner product waters.Described water-absorbing tank 17 is arranged on the below of water receiver 38, described water-absorbing tank 17 has water-absorbing sponge 18, sponge wrapping is in the periphery of water-absorbing tank, itself and water-absorbing tank inner chamber 20 are by the dividing plate 19 with aperture at interval, the moisture content that water-absorbing sponge 18 absorbs enters water-absorbing tank inner chamber 20 by dividing plate, tapered and its bottom, described water-absorbing tank bottom is provided with suction hole 39, is connected with suction hose 5 in the described water-absorbing tank, and the water that water that sponge absorbs and suction hole absorb is all discharged by suction hose.

During the work of this machine, the film base becomes tubulose bead mould to flow down, cold air is entered by air inlet pipe 4, through the gas outlet 8 on the air inlet pipe cold air is blowed to film base pipe 37, film base pipe 37 is caught a cold and is tentatively finalized the design, because film base pipe 37, mouthful mould 21 divide bucket 27 to form sealing state with outer cooling, thereby the gas after using is then discharged by blast pipe 23.To cool off water ring 27 outward this moment and promote, make it and all water jacket 26 is equal, can make so inside and outside cold water can the while and co-altitude film base pipe 37 is cooled off, make the thickness of its film even.Outer cooling water ring 27 is by the water inlet water inlet, and cold water is circuitous walks around first baffle plate 29, second baffle 28, gently is full of tank, and covers calibration sleeve 26 equably, flows to the outer surface of film base pipe 37; Interior cooling divides the water of bucket 34 then by water inlet pipe 3 water inlets, and water is alleviated by 11 pairs of cold water of the flow splitter in the shunting disk through shunting disk 9, cold water is by slowly flowing out in 24 through holes 10, flow to equal water jacket 26 by apopore 6 again, cold water is mild covers equal water jacket 26, flows to the inwall of film base pipe 37.Film base pipe 37 thickness of its film when cooling off is finalized the design by cold water, because inside and outside current all are to carry out simultaneously, and it is incremental, very steady, it also is identical, constant to the active force of film base pipe 37 that uniform flow rate makes cold water with flow velocity, thereby the thickness that guarantees film base pipe 37 also very evenly, reduced and adopted the unstability of cold air typing in the background technology and produce the uneven defective of film base tube thickness.The height of the water that diffuses out for the water that guarantees to diffuse out from equal water jacket 26 and calibration sleeve 32 is equal, cooling divided in the bucket 34 in the unnecessary water of its outflow then was back to by backwater hole 25, divide the water in the bucket can accumulate water service pipe 35 height, cooling film base inside pipe wall that can be indirect, then cover water service pipe 35 during dilutional hyponatremia, enter the flow direction by water service pipe and scrape bucket 13, arrive water receiver 38.And the cold water that film base inside pipe wall is cooled off along film base pipe 37 to dirty, scrape water by scraping 14 pairs of film bases of water pond inside pipe wall, water flows to and scrapes in the bucket 13 by scraping water hole 12, also arrives water receiver 38.After scraping water twice, the inwall of film base pipe cools off substantially and is dry.Last because cold and hot transition, make film base inside pipe wall can produce fog, siphoned away by the residual water and the fog of water-absorbing sponge 18 with film base inside pipe wall this moment, the water that remains in water-absorbing tank 17 surfaces then also can be along the conical bottom surface current to suction hole 39, at last by the suction hole 39 with in its inspiration water-absorbing tank, water in the water-absorbing tank is then discharged it by suction hose, so just can guarantee film base pipe 37 inwall bone dries, and tonifying Qi hole 15 will be blown into by the air that blowdown pipe 2 is come in the film base pipe, form recurrent state with the gas that is sucked away in the film base pipe, prevent film base pipe 37 occur because of air reduces the contracting situation of wall.The unnecessary cold water that water receiver 38 receives reaches film base pipe 37 is carried out cooled water finally all by drinking-water pipe 1 discharge.

Claims

1. the cooling forming device of film of an inflation film manufacturing machine, it is characterized in that described this cooling forming device of film includes air inlet disk (7), interior cooling divides bucket (34), outer cooling water ring (27), scrape bucket (13), water receiver (38) and water-absorbing tank (17), cooling divided the top of bucket (34) in described air inlet disk (7) was arranged on, described air inlet disk (7) is connected with an air inlet pipe (4), its upper end of described outer cooling water ring (27) is open, cooling divides outside the bucket (34) in being placed in, there is film base tube passage (33) between the two, cooling divides the top of bucket (34) to be provided with inlet opening (30) in described, this inlet opening is extended with water inlet pipe (3), described scrape bucket (13) and water receiver (38) be successively set in cooling divide the below of bucket (34), and the three communicates, described water receiver (38) is connected with a drinking-water pipe (1), described water-absorbing tank (17) is arranged on the below of water receiver (38), described water-absorbing tank has water-absorbing sponge (18), tapered and its bottom, described water-absorbing tank (17) bottom is provided with suction hole (39), and described water-absorbing tank is connected with suction hose (5).

2. the cooling forming device of film of a kind of inflation film manufacturing machine according to claim 1, it is characterized in that described side of scraping bucket is provided with scrapes water hole (12) and scrapes water pond (14), the described water pond (14) of scraping is arranged on the below of scraping water hole (12), and scrape the internal diameter of the external diameter of water pond less than outer cooling water ring (27), described scraping also is provided with tonifying Qi hole (15) on the bucket, this tonifying Qi hole (15) communicates with a blowdown pipe (2).

3. the cooling forming device of film of a kind of inflation film manufacturing machine according to claim 1, it is characterized in that described outer cooling water ring (27) cools off outside the branch bucket (34) in can being placed in up or down, described outer cooling water ring (27) includes calibration sleeve (32) and tank (31), described calibration sleeve (32) is installed in the interior ring of tank (31), the lower end of described tank is provided with water inlet, be provided with water fender in the described tank, this water fender communicates tank layering and tank up and down.

4. the cooling forming device of film of a kind of inflation film manufacturing machine according to claim 1, the upper end that it is characterized in that described interior cooling branch bucket (34) is provided with backwater hole (25), shunting disk (9) and is arranged on the outer equal water jacket (26) of shunting disk, the upper end of this shunting disk (9) is provided with water deflector cover (24), described inlet opening (30) is arranged in the shunting disk (9), described shunting disk is provided with apopore (6), cooling divides the bottom surface of bucket to be provided with limbers (36) in described, and described limbers is provided with water service pipe (35).

5. the cooling forming device of film of a kind of inflation film manufacturing machine according to claim 4 is characterized in that being provided with in the described shunting disk flow splitter (11), and described flow splitter is provided with through hole (10).

6. the cooling forming device of film of a kind of inflation film manufacturing machine according to claim 1, it is characterized in that described air inlet disk (7) is provided with gas outlet (8), cooling divides the top of bucket (34) to have steam vent (22) in described, and this steam vent is arranged on the blast pipe (23).