CN207451237U - A kind of PVDC films concave nip rolls - Google Patents
A kind of PVDC films concave nip rolls Download PDFInfo
- Publication number
- CN207451237U CN207451237U CN201721424240.XU CN201721424240U CN207451237U CN 207451237 U CN207451237 U CN 207451237U CN 201721424240 U CN201721424240 U CN 201721424240U CN 207451237 U CN207451237 U CN 207451237U
- Authority
- CN
- China
- Prior art keywords
- nip rolls
- concave
- concave nip
- pvdc films
- shaft core
- 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 - Fee Related
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- Laminated Bodies (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The utility model discloses a kind of PVDC films concave nip rolls, including concave nip rolls, the concave nip rolls is internally provided with gusset, the circumferential surface of the gusset is provided with shaft core, the inner surface of the shaft core is provided with heat emission hole, the outer circumferential surface of the shaft core is provided with heat dissipating layer, and the circumferential surface of the heat dissipating layer is provided with rubber layer, and the both sides of the concave nip rolls are provided with baffle.The beneficial effects of the utility model are：The utility model is provided with baffle in the both sides of concave nip rolls, and it is not in offset in flattening to make PVDC films, is set using recess among concave nip rolls, is flattened automatically when PVDC films being enable to give a discount, improves production efficiency；The utility model is provided with heat dissipating layer in concave nip rolls, and shaft core is provided with heat emission hole, and mounting base is provided with heat extraction hole, and the work long hours heat of generation of nip rolls is enable to discharge in time, the excessively thermally-induced material deformation of nip rolls is avoided, improves flattening efficiency.
Description
Technical field
The utility model belongs to PVDC thin film fabrication techniques field, and in particular to a kind of PVDC films concave nip rolls.
Background technology
PVDC：It is that a kind of barrier property is high, toughness is strong and low-temperature heat-sealing, heat-shrinkable and the good ideal of chemical stability
Packaging material is taken the course of its own in packaging industry, and particularly it, which has, hinders wet, resistance oxygen, moisture-proof, acid and alkali-resistance, resistance to oil immersion and resistant to many
The performances such as chemical solvent are widely used in the packaging of food, drug, military products over 50 years.
For PVDC, since its intermolecular cohesive force is strong, crystallinity is high, and the chlorine atom in PVDC molecules has hydrophobicity, no
Hydrogen bond can be formed, oxygen molecule and hydrone are difficult to be moved in PVDC molecules, so as to make it have excellent oxygen barrier and hinder wet
Property, and its oxygen barrier is from the influence of ambient humidity.That is, under any temperature or damp condition, brilliance is had both
Barrier steam, oxygen, the ability of smell and fragrance, be the plastic bag that the generally acknowledged comprehensive performance in terms of barrier property is best at present
Package material.Main application fields：Cheese, soup, snacks, retort pouch, medical package, dry type food packaging, biscuit and cereal preparation,
The necks such as lower film, sauce, meat products, flexible package punch, bean product packaging, electronic product packaging, chemical industry packaging on pet food, stretching
Domain.It is resistant to 125 DEG C/30min boilings.
However, often there are certain defects in use for present PVDC film concaves nip rolls：Present PVDC films
Film can generate offset during concave nip rolls use, for a long time using fever, it is impossible to disperse in time.
Utility model content
The purpose of this utility model is to provide a kind of PVDC films concave nip rolls, to solve to carry in above-mentioned background technology
The film gone out, which leads to the problem of offset and heat, to be dispersed in time.
To achieve the above object, the utility model provides following technical solution：A kind of PVDC films concave nip rolls, including
Concave nip rolls, the concave nip rolls are internally provided with gusset, and the circumferential surface of the gusset is provided with shaft core, the axis
The inner surface of core is provided with heat emission hole, and the outer circumferential surface of the shaft core is provided with heat dissipating layer, the circumference of the heat dissipating layer
Surface is provided with rubber layer, and the both sides of the concave nip rolls are provided with baffle, the both sides centre position of the concave nip rolls
Mounting base is provided with, the surface of the mounting base is provided with heat extraction hole, and the centre position of the mounting base is provided with mounting groove, institute
The upper end for stating mounting groove is provided with keyway, and the concave nip rolls is provided at both ends with fixed seat, the fixed seat and concave exhibition
Connecting shaft is provided between plain-barreled roll, the fixed seat inside is provided with rolling bearing with connecting shaft circumferential surface correspondence position.
Preferably, consolidated between the connecting shaft and rolling bearing and connecting shaft and concave nip rolls by key connection
It is fixed.
Preferably, synthesized between the rubber layer and heat dissipating layer, between heat dissipating layer and shaft core by squeezing.
Preferably, the rubber layer is arranged to intermediate recess structure.
Preferably, it is disposed as arc structure on the inside of the baffle.
Preferably, the PVDC films concave nip rolls is the right and left symmetrical structure.
Compared with prior art, the beneficial effects of the utility model are：
1st, the utility model is provided with baffle in the both sides of concave nip rolls, and it is not in inclined in flattening to make PVDC films
It moves, is set among concave nip rolls using recess, flattened automatically when PVDC films being enable to give a discount, improve production efficiency.
2nd, the utility model is provided with heat dissipating layer in concave nip rolls, and shaft core is provided with heat emission hole, and mounting base is provided with
Heat extraction hole enables the work long hours heat of generation of nip rolls to discharge in time, avoids the excessively thermally-induced material deformation of nip rolls, long
Time keeps temperature constant state, is conducive to improve flattening efficiency.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the structure diagram of the concave nip rolls of the utility model；
In figure：1st, connecting shaft；2nd, rolling bearing；3rd, fixed seat；4th, heat dissipating layer；5th, shaft core；6th, heat emission hole；7th, gusset；8、
Rubber layer；9th, concave nip rolls；10th, baffle；11st, heat extraction hole；12nd, mounting groove；13rd, mounting base；14th, keyway.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides following technical scheme：A kind of PVDC films concave nip rolls, including in
Recessed nip rolls 9, concave nip rolls 9 are internally provided with gusset 7, and the circumferential surface of gusset 7 is provided with shaft core 5, the inside of shaft core 5
Surface is provided with heat emission hole 6, and the outer circumferential surface of shaft core 5 is provided with heat dissipating layer 4, and the circumferential surface of heat dissipating layer 4 is provided with rubber
Glue-line 8 is synthesized between rubber layer 8 and heat dissipating layer 4 and between heat dissipating layer 4 and shaft core 5 by squeezing, and ensures each layer connection jail
Gu rubber layer 8 is arranged to intermediate recess structure, prevent film from giving a discount, the both sides of concave nip rolls 9 are provided with baffle 10, baffle
10 inside is disposed as arc structure, prevents membrane excursion, and the both sides centre position of concave nip rolls 9 is provided with mounting base
13, the surface of mounting base 13 is provided with heat extraction hole 11, and the centre position of mounting base 13 is provided with mounting groove 12, mounting groove 12 it is upper
End is provided with keyway 14, and concave nip rolls 9 is provided at both ends with fixed seat 3, is provided between fixed seat 3 and concave nip rolls 9
Connecting shaft 1,3 inside of fixed seat are provided with rolling bearing 2, connecting shaft 1 and rolling bearing with 1 circumferential surface correspondence position of connecting shaft
It is fixed between 2 and connecting shaft 1 and concave nip rolls 9 by key connection, ensures fix stably, PVDC film concave nip rolls
For the right and left symmetrical structure, make film production symmetrically.
The operation principle and process for using of the utility model：After the utility model installs, user of service is thin by PVDC
Film concave nip rolls is mounted on the suitable position that fixed seat 3 is mounted on to processing film machinery in suitable position, and PVDC films add
Work sheet material at the uniform velocity passes away from 9 lower end of concave nip rolls, and both sides set baffle 10, prevent from making to shift in flattening, long-time work
Make generation amount of heat, heat is transmitted to by shaft core 5 by heat dissipating layer 4, shaft core 5 is discharged by heat emission hole 6, and heat passes through heat extraction hole
11 discharge concave nip rolls 9, improve service life, safe to use portable.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that in the case where not departing from the principle of the utility model and spirit can these embodiments be carried out with a variety of variations, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of PVDC films concave nip rolls, including concave nip rolls (9), it is characterised in that：The concave nip rolls (9)
Gusset (7) is internally provided with, the circumferential surface of the gusset (7) is provided with shaft core (5), and the inner surface of the shaft core (5) is set
Heat emission hole (6) is equipped with, the outer circumferential surface of the shaft core (5) is provided with heat dissipating layer (4), the circumference table of the heat dissipating layer (4)
Face is provided with rubber layer (8), and the both sides of the concave nip rolls (9) are provided with baffle (10), and the two of the concave nip rolls (9)
Side centre position is provided with mounting base (13), and the surface of the mounting base (13) is provided with heat extraction hole (11), the mounting base
(13) centre position is provided with mounting groove (12), and the upper end of the mounting groove (12) is provided with keyway (14), the concave exhibition
Plain-barreled roll (9) is provided at both ends with fixed seat (3), and connecting shaft (1) is provided between the fixed seat (3) and concave nip rolls (9),
The fixed seat (3) is internal to be provided with rolling bearing (2) with connecting shaft (1) circumferential surface correspondence position.
2. a kind of PVDC films concave nip rolls according to claim 1, it is characterised in that：The connecting shaft (1) is with turning
It is fixed between dynamic bearing (2) and connecting shaft (1) and concave nip rolls (9) by key connection.
3. a kind of PVDC films concave nip rolls according to claim 1, it is characterised in that：The rubber layer (8) is with dissipating
It is synthesized between thermosphere (4), between heat dissipating layer (4) and shaft core (5) by squeezing.
4. a kind of PVDC films concave nip rolls according to claim 1, it is characterised in that：The rubber layer (8) is set
For intermediate recess structure.
5. a kind of PVDC films concave nip rolls according to claim 1, it is characterised in that：The inside of the baffle (10)
It is disposed as arc structure.
6. a kind of PVDC films concave nip rolls according to claim 1, it is characterised in that：The PVDC films concave exhibition
Plain-barreled roll is the right and left symmetrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721424240.XU CN207451237U (en) | 2017-10-31 | 2017-10-31 | A kind of PVDC films concave nip rolls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721424240.XU CN207451237U (en) | 2017-10-31 | 2017-10-31 | A kind of PVDC films concave nip rolls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207451237U true CN207451237U (en) | 2018-06-05 |
Family
ID=62282558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721424240.XU Expired - Fee Related CN207451237U (en) | 2017-10-31 | 2017-10-31 | A kind of PVDC films concave nip rolls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207451237U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112093539A (en) * | 2020-08-26 | 2020-12-18 | 黄山申格电子科技股份有限公司 | Method for solving wrinkling problem of ultrathin film wound by winding machine |
-
2017
- 2017-10-31 CN CN201721424240.XU patent/CN207451237U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112093539A (en) * | 2020-08-26 | 2020-12-18 | 黄山申格电子科技股份有限公司 | Method for solving wrinkling problem of ultrathin film wound by winding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180605 Termination date: 20201031 |