CN107866956A - The die lip enclosure method of film machine film head closing device and the application device - Google Patents
The die lip enclosure method of film machine film head closing device and the application device Download PDFInfo
- Publication number
- CN107866956A CN107866956A CN201711305812.7A CN201711305812A CN107866956A CN 107866956 A CN107866956 A CN 107866956A CN 201711305812 A CN201711305812 A CN 201711305812A CN 107866956 A CN107866956 A CN 107866956A
- Authority
- CN
- China
- Prior art keywords
- support
- die lip
- film
- shrouding
- film head
- 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.)
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Classifications
-
- 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
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
- B29C41/36—Feeding the material on to the mould, core or other substrate
-
- 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
- B29C48/254—Sealing means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention belongs to film apparatus field, and in particular to a kind of die lip enclosure method of film machine film head closing device and application device.The inventive system comprises the shrouding of plate face fitting die lip and for the support support to be exerted a force to shrouding from bottom to top, so as to realize the Quick seal operation to the die lip of film machine film head, the generation of the burnt material of film head mould intracavitary is avoided.The die lip enclosure method of the present invention can then lift the sealing operation efficiency of the die lip to film machine film head, and it comprises the following steps：Film machine is closed, shrouding top end face is bonded to the die lip of film head；Holder for regulating support, until the abutting of shrouding from bottom to top is at the die lip of film head；Film machine is opened, when gap between the die lip discharging of film head and fused mass start to squeeze the die lip of shrouding and film head is overflowed, closes film machine；Fused mass cooling and solidifying to be overflowed.
Description
Technical field
The invention belongs to film apparatus field, and in particular to a kind of film machine is with film head closing device and applies the device
Die lip enclosure method.
Background technology
Extrusion curtain coating compounding machine, in the industry custom be referred to as film machine, its have automaticity it is high, it is easy to operate, production
Speed height, uniform coating thickness, bonding intensity are high, it is smooth, environment friendly and pollution-free to batch, save the advantages that artificial and cost of material,
Had evolved into America and Europe ripe, recent year gradually starts to popularize, and is to substitute that dry type is compound and PUR is coated with compound certainty
Trend.The operation principle of film machine is：Plastic pellet is after high temperature and spiro rod plasticizing, in molten state by the die lip of film head into line
Type is extruded, and the flexible parent metal such as paper, film, non-woven fabrics, woven cloth surface is attached to after stretching, then press via cooling and shaping
Afterwards, the composite of the toughness and functional characteristic of the barrier for having plastic film layers concurrently and heat sealability and base material is formed.It is real
In the production of border, consider for cycled recondition maintenance or even production line order number etc., need to often carry out the shutdown operation of film machine.
Once equipment downtime, now because air directly contacts with the high-temperature molten after plastic molten melt, the film of film machine can make it that
The oxidative phenomena of naturally-occurring remaining molten thing at head mould lip.Due to closing dress of the existing nothing to the die lip of film machine film head
Put, air even directly can enter film head mould intracavitary via above-mentioned die lip, and then it is whole to cause die lip to film head mould chamber to produce
The burnt material situation of section.Once film head mould chamber produces burnt material, when start production next time, must just remove film head and in die cavity
Whole section of burnt material cleared up, operation is extremely wasted time and energy, it is clear that has also had a strong impact on that actual maintenance efficiency and subsequent production are entered
Journey, so as to bring greatly work puzzlement to field maintenance person.
The content of the invention
It is an object of the invention to solve above-mentioned the deficiencies in the prior art, there is provided a kind of film machine simple in construction and practical
With film head closing device, it can realize the Quick seal operation to the die lip of film machine film head, and then avoid film head mould
The generation of the burnt material of intracavitary, effectively to reduce the preposition process of the start of film machine；It is another object of the present invention to provide application
The die lip enclosure method of said apparatus, so as on the basis of using said apparatus, further be lifted to film machine film head
Die lip sealing operation efficiency.
To achieve the above object, present invention employs following technical scheme：
A kind of film machine film head closing device, it is characterised in that：The plate face that the present apparatus includes from bottom to top fits in
So as to close the shrouding of the die lip at the die lip of film head, the shrouding profile is in rectangular strip, the parallel leaching of shrouding length direction
The die lip length direction of film head, and shrouding length is more than or equal to the die lip length of film head；The present apparatus also includes being used under
The support support to be exerted a force to shrouding on and；The support support top layout is used for the resettlement groove for positioning and accommodating shrouding, the peace
Put the die lip length direction of the parallel film head in groove flute length direction.
Preferably, the support support includes base, at base top end face vertical downwards be arranged with screwed hole, hold in the palm strut
Hypomere shaft screw thread is matched with the screwed hole；Hold in the palm and form the revolution that axis of rotation is plumb line between the top of strut and support support platform
Coordinate, and its axis of rotation is with holding in the palm strut axis coaxially to each other；The recessed above-mentioned resettlement groove of top end face of support support platform.
Preferably, mainboard of the support support platform including recessed resettlement groove and plate face from bottom to top are fitted at mainboard bottom face
Backing plate；Be arranged with counterbore at the mainboard bottom face, the setting through hole coaxial with the counterbore at backing plate, with cause counterbore with
Shoulder hole construction is formed between through hole；Through hole aperture is more than support strut bar footpath, and asks the top end of strut to set diameter to be more than
Through hole aperture and less than the disk in counterbore aperture, the disk coaxial cooperation is in counterbore, card and backing plate top end face under disk
Between formed seam coordinate.
Preferably, thrust ball bearing or thrust roller bearing are folded between disk and counterbore bottom hole.
Preferably, coaxially it is connected with the runner for being easy to rotate support strut manually at the stage casing shaft of the support strut.
Preferably, the shrouding is copper coin.
Preferably, it is two groups arranged along the die lip length direction of film head to hold in the palm support；Two groups of support supports are placed in film
At the both ends of the die lip of head.
Preferably, the die lip enclosure method of the film head closing device of the film machine described in a kind of application, it is characterised in that
Comprise the following steps：
1) film machine, is closed, shrouding is put as the die lip length direction of the parallel film head of shrouding length direction, holding envelope
Plate is allowed to move up, until the die lip of shrouding top end face fitting film head；
2), support support is moved to immediately below shrouding, runner is turned and make it that support support platform is up, until shrouding falls into support support platform
Locate in resettlement groove；It is rotated further support strut and make it that support support platform is up, until the abutting of shrouding from bottom to top is in the mould of film head
At lip；
3), open film machine, when the die lip discharging of film head and fused mass start to squeeze shrouding and film head die lip it
Between gap and when overflowing, close film machine；
4), after the fused mass cooling and solidifying overflowed, the die lip closing of film head is completed.
The beneficial effects of the present invention are：
1), by after a shutdown, being closed using one block of shrouding to the die lip of film head, and come by support support to envelope
Plate carries out force from bottom to top, and then shrouding is tightly fitted at die lip all the time.Then, melting is caused by start
Gap between shrouding and die lip is overflowed in thing part, after the partial melting thing harden, air it is i.e. blocked and can not be by die lip
Into in the die cavity of film head, the protection against oxidation mesh of the fused mass to film head mould intracavitary even around die lip is realized therewith
's.By using said structure, the present invention can be achieved to operate the Quick seal of the die lip of film machine film head, and then avoid drenching
The generation of the burnt material of film head mould intracavitary.And film head mould intracavitary does not produce burnt material even around die lip after, also with regard to nothing when next time starts shooting
Cumbersome film head unlatching and die cavity cleaning operation need to be carried out, finally effectively reduces the preposition process of start of film machine, really
The outgoing quality of product is protected, the actual production benefit of producer can be also effectively ensured.
2), for holding in the palm support, the present invention is combined and formed with base, support strut and support support platform.Base provides whole support
Support is ask strut then with respect to base and can be produced screw thread lifting action with bearing substrate.Support support platform is with the vertical of support strut
Sedimentation is produced to lifting, and then shrouding can be provided with upward top lift in die lip " locked in " operation, to ensure that shrouding begins
Soleplate face is fitted at die lip lip.When film machine is started shooting, as film head mould intracavitary fused mass heats up, envelope is sealed in originally
Solidfied material at plate and die lip fit clearance starts softening until melting, now under unconventional and uninhibited support platform, you can realize shrouding with respect to mould
Lip is rapidly separated operation, and its use is extremely convenient.
3), support, which supports, forms revolution action between platform and support strut, to hold in the palm strut support strut and base can rotate relatively
Action, and then realize the fast lifting operation of whole support support platform.Realization for materialization holds in the palm strut and holds in the palm the cooperation between strut, this
Place's disk is built in counterbore, and carrys out spacing disk with backing plate, and then realizes the revolution operation certainly of support strut.Arrange in pairs or groups corresponding axle
Bearing member and runner, you can very easily operation support strut, and then cause support support platform to realize controllable sedimentation.
4) when, specifically used, the shrouding is preferably copper coin.Copper coin itself possesses excellent thermal conductivity, is easy to so that molten
Melt thing quickly to cool down；Heat resistance is high simultaneously, heated also to produce reaction, it is clear that extremely suitable to carry out above-mentioned sealing operation.
Brief description of the drawings
Fig. 1 is the working state schematic representation of the present invention；
Fig. 2 is the cross-sectional operational views of support support；
Fig. 3 is the front view of the present invention.
Drawing reference numeral and the specific corresponding relation of its each part in the present invention is as follows：
A- die lip b- solidfied materials
10- shroudings
21- support support platform 21a- resettlement groove 21b- mainboard 21c- backing plates
22- base 22a- screwed holes
23- holds in the palm strut 23a- runner 23b- disks
24- thrust ball bearings
Embodiment
For ease of understanding, following describe is made to the concrete structure and its working method of the present invention here in connection with accompanying drawing：
Shown in the specific configuration reference picture 1-3 of the present invention, its main-body structure includes the shrouding of a rectangular tabular made of copper
10 and for from bottom to top hold in the palm support shrouding 10 support support.When using embodiment as shown in Figure 3, support support is with two groups
It is good, at the both ends of the die lip a length directions for the film head that is placed in during use.
Hold in the palm support profile reference picture 1-2 shown in, its from bottom to top successively include base 22, support strut 23 and support support
Platform 21.The profile of base 22 is in the ladder shaft-like of the two-period form of lower thick upper thin, and recessed screwed hole 22a at the top end face of base 22.
Hold in the palm and arrange that external screw thread coordinates so as to form screw thread lifting between screwed hole 22a at the hypomere shaft of strut 23.Hold in the palm strut 23 certainly
Band runner 23a, in order to which staff's manual actuation support strut 23 produces revolution action.It is lower thin and upper thick to hold in the palm the top of strut 23
The multidiameter structure of two-period form, and its big end namely disk 23b are placed at support support platform 21 in counterbore, and come by backing plate 21c
Hold in the palm the axial limiting operation of strut 23.Now, disk 23b top end faces are by that can bear the thrust ball bearing of very big axial force
24 or thrust roller bearing and push against at counterbore bottom hole, and disk 23b bottom faces then form seam between backing plate 21c top end faces
Coordinate.As rotating wheel 23a, support strut 23 makees revolution action, support strut 23 now can with respect to screwed hole 22a at base 22 and
Produce screw thread lifting, and ask support platform 21 to produce lifting action therewith, you can realize upward abutting of the shrouding 10 with respect to die lip a and to
It is lower to depart from operation.
When the present invention actually uses, comprise the following steps：
1) film machine, is closed, shrouding 10 is put as the die lip a length directions of the parallel film head of the length direction of shrouding 10,
Holding shrouding 10 is allowed to move up, until the die lip a of the top end face of shrouding 10 fitting film head.
2), support support is moved to immediately below shrouding 10, runner 23a is turned and make it that support support platform 21 is up, until shrouding 10
Fall at support support platform 21 in resettlement groove 21a；It is rotated further support strut and make it that support support platform 21 is up, until shrouding 10 is from bottom to top
Abutting at the die lip a of film head.
3) film machine, is opened, when the die lip a dischargings of film head and fused mass starts to squeeze the die lip of shrouding 10 and film head
Gap between a and when overflowing, close film machine.
4), after the fused mass overflowed cools and solidifies and to form solidfied material b, the die lip a closings of film head are completed, now air
The path for adding film head mould intracavitary is blocked, and fused mass in die cavity is produced Jiao so as to avoid air from entering film head mould chamber
Material situation, the outgoing quality of product can be also effectively ensured.
Claims (8)
- A kind of 1. film machine film head closing device, it is characterised in that：The plate face that the present apparatus includes from bottom to top fits in leaching Die lip (a) place of film head is so as to close the shrouding of the die lip (a) (10), and shrouding (10) profile is in rectangular strip, shrouding (10) die lip (a) length direction of the parallel film head of length direction, and shrouding (10) length is more than or equal to the die lip of film head (a) length；The present apparatus also includes being used for the support support to exert a force to shrouding (10) from bottom to top；The support support top layout is used In the resettlement groove (21a) for positioning and accommodating shrouding (10), the die lip (a) of the parallel film head in resettlement groove (21a) the flute length direction Length direction.
- A kind of 2. film machine film head closing device according to claim 1, it is characterised in that：The support support includes Base (22), what vertical was downward at base (22) top end face is arranged with screwed hole (22a), the hypomere shaft screw thread of support strut (23) It is matched with screwed hole (22a) place；Hold in the palm and axis of rotation returning for plumb line is formed between the top of strut (23) and support support platform (21) Turn to coordinate, and its axis of rotation is with holding in the palm strut (23) axis coaxially to each other；The recessed above-mentioned resettlement groove of top end face of support support platform (21) (21a)。
- A kind of 3. film machine film head closing device according to claim 2, it is characterised in that：Support support platform (21) includes The backing plate that the mainboard (21b) of recessed resettlement groove (21a) and plate face from bottom to top are fitted at mainboard (21b) bottom face (21c)；It is arranged with counterbore at mainboard (21b) bottom face, backing plate (21c) the place setting through hole coaxial with the counterbore, with So that shoulder hole construction is formed between counterbore and through hole；Through hole aperture is more than support strut (23) bar footpath, and holds in the palm strut (23) Top end sets diameter to be more than through hole aperture less than the disk (23b) in counterbore aperture, and disk (23b) coaxial cooperation is in heavy Seam is formed in hole, under disk (23b) between card and backing plate (21c) top end face to coordinate.
- A kind of 4. film machine film head closing device according to claim 3, it is characterised in that：Disk (23b) is with sinking Thrust ball bearing (24) or thrust roller bearing are folded between the bottom hole of hole.
- A kind of 5. film machine film head closing device according to Claims 2 or 3 or 4, it is characterised in that：The support support The runner (23a) for being easy to rotate support strut (23) manually is coaxially connected with the stage casing shaft of bar (23).
- A kind of 6. film machine film head closing device according to claim 1 or 2 or 3 or 4, it is characterised in that：It is described Shrouding (10) is copper coin.
- A kind of 7. film machine film head closing device according to claim 1 or 2 or 3 or 4, it is characterised in that：Support support Frame is two groups arranged along die lip (a) length direction of film head；Two groups of support supports be placed in film head die lip (a) both ends At portion.
- 8. a kind of die lip enclosure method for applying film machine film head closing device as claimed in claim 1, its feature exist In comprising the following steps：1) film machine, is closed, shrouding (10) is put as die lip (a) length side of the parallel film head of shrouding (10) length direction To holding shrouding (10) is allowed to move up, until the die lip (a) of shrouding (10) top end face fitting film head；2), support support is moved to immediately below shrouding (10), runner (23a) is turned and make it that support support platform (21) is up, until shrouding (10) fall into support support platform (21) place's resettlement groove (21a)；It is rotated further support strut and make it that support support platform (21) is up, until shrouding (10) abutting from bottom to top is in die lip (a) place of film head；3) film machine, is opened, when die lip (a) discharging of film head and fused mass starts to squeeze the die lip of shrouding (10) and film head (a) gap between and when overflowing, close film machine；4), after the fused mass cooling and solidifying overflowed, die lip (a) closing of film head is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711305812.7A CN107866956B (en) | 2017-12-11 | 2017-12-11 | Film spraying head sealing device for film spraying machine and die lip sealing method using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711305812.7A CN107866956B (en) | 2017-12-11 | 2017-12-11 | Film spraying head sealing device for film spraying machine and die lip sealing method using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107866956A true CN107866956A (en) | 2018-04-03 |
| CN107866956B CN107866956B (en) | 2023-09-22 |
Family
ID=61755440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711305812.7A Active CN107866956B (en) | 2017-12-11 | 2017-12-11 | Film spraying head sealing device for film spraying machine and die lip sealing method using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107866956B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113492080A (en) * | 2020-04-01 | 2021-10-12 | 阳程科技股份有限公司 | Coating machine capable of slowing down solvent backflow into coating head and soaking method |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107866956B (en) | 2023-09-22 |
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