CN203792703U - Flattening roll - Google Patents
Flattening roll Download PDFInfo
- Publication number
- CN203792703U CN203792703U CN201420044137.2U CN201420044137U CN203792703U CN 203792703 U CN203792703 U CN 203792703U CN 201420044137 U CN201420044137 U CN 201420044137U CN 203792703 U CN203792703 U CN 203792703U
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- CN
- China
- Prior art keywords
- mandrel
- flattening
- installation portion
- nip rolls
- center line
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model provides a flattening roll, belonging to the technical field of machinery and solving the problems of maintaining and replacing parts of the existing flattening roll. The flattening roll comprises a mandril, wherein the mandril is axially sheathed with a plurality of cylindrical flattening units, the flattening units and the mandril are axially positioned, the central line of each flattening unit is inclined relative to the central line of the mandril, and each flattening unit can independently rotate relative to the mandril. According to the flattening roll, a plastic thin film can be flattened through the plurality of flattening units arranged in a manner of segmental flattening, the axial force applied to the local part of the plastic thin film is smaller, the plastic thin film is prevented from being excessively stretched, and the flattening effect of the plastic thin film is improved. The mandril mounting part adopts a polygonal structure, and mounting holes in the inner sleeves of the flattening units adopt polygonal holes matched with the mounting part, so that the circumferential positioning accuracy between the inner sleeves and the mandril can be enhanced. The central lines of the mounting holes in the inner sleeves are inclined relative to the central lines of the inner sleeves, thus being convenient to manufacture.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of nip rolls.
Background technology
In the processing or use procedure of plastic sheeting, plastic sheeting need to be launched.Because plastic film thickness is less, fold easily occurs, and then processing effect is undesirable or lay out-of-flatness.In order to make plastic sheeting keep formation state, technical staff has designed and developed a kind of nip rolls, for example, and Chinese patent [application number 201220549902.7; Granted publication CN202898528U] disclosed vacuum coating equipment sliding nip rolls, comprise a nip rolls roll body, nip rolls roll body connection rotating shaft, nip rolls roll body comprises a roller, a roller core, and roller is tubular, and roller core is tubulose; Roller is socketed in outside roller core, and formation is slidably connected; Rotating shaft is connected on roller core.Relative sliding by roller and roller core produces slippage, thereby realize, plastic sheeting is flattened.Again for example, Chinese patent [application number 200810236480.6; Publication number CN101439608A] disclosed a kind of compounding machine nip rolls, at nip rolls circumferential surface, some concave planes are evenly set, each concave plane is taking the axis mid point of nip rolls as symmetrical, and inner splayed configuration tilts to both sides, the crossing place of the Eight characters in the middle of concave plane, adopts arc transition.
The problem that the nip rolls of said structure exists is: 1, by the slippage of roller and roller core, plastic sheeting is flattened separately, this mode flattens effect bad, still may have fold by the plastic sheeting of nip rolls.2, another kind of compounding machine is not suitable for the flattening of plastic sheeting by the structure of nip rolls, and by machine tooling nip rolls, processing request is higher, and maintenance and replacing parts are all inconvenient.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of nip rolls, and the technical problem that the utility model solves is to make nip rolls dismounting more convenient.
The purpose of this utility model can realize by following technical proposal: a kind of nip rolls, this nip rolls comprises mandrel, it is characterized in that, on described mandrel, be arranged with vertically several and be flattening cylindraceous unit, described flattening unit and mandrel axial location, the center line of each described flattening unit all tilts with respect to mandrel center line, and each described flattening unit can rotate with respect to mandrel independently.
The occupation mode of this nip rolls is: the mandrel of nip rolls is installed and is positioned on the transfer passage of plastic sheeting, plastic sheeting surface in the time sliding is contacted with the flattening unit outer surface of nip rolls.Because the outer surface that flattens unit tilts, plastic sheeting and the active force flattening between unit are broken down into axial force and the radial load with respect to mandrel.The effect that the folding or fold of plastic sheeting is in axial force launches to the sidepiece of plastic sheeting, has realized the flattening of plastic sheeting.Several are set on this nip rolls and flatten unit, the mode flattening by segmentation flattens plastic sheeting better.Flatten unit and be set in respectively on mandrel, make nip rolls dismounting more convenient, be conducive to assembling and the maintenance of nip rolls.
In above-mentioned nip rolls, each described flattening unit is respectively by keeper and mandrel axial location.The location that flattens unit is reliable, keeps suitable distance between adjacent nip rolls, has improved the flattening effect of nip rolls.
In above-mentioned nip rolls, on described mandrel, there is the installation portion that flattens unit for installing, described installation portion is column, the polygon of symmetry centered by the cross section of described installation portion, the center line of described installation portion and the center line of mandrel are positioned at same straight line.
As preferably, in above-mentioned nip rolls, the cross section of described installation portion is quadrangle, hexagon or octagon.
By the installation portion of mandrel is processed into polygonal cross section, make the circumferential location of mandrel and flattening unit more accurate.
In above-mentioned nip rolls, described flattening unit comprises overcoat, between each described overcoat and installation portion, be provided with and be inner sleeve cylindraceous, above-mentioned inner sleeve center has the installing hole corresponding with described installation portion shape, and the center line of above-mentioned installing hole tilts with respect to the center line of inner sleeve; Described overcoat is cylindric, puts and can rotate with respect to inner sleeve, described overcoat and inner sleeve axial location in described overcoat is set in.The installing hole of inner sleeve is the polygonal hole of mating with the installation portion of mandrel, and installing hole is centroclinal with respect to inner sleeve, and axial location is tilted with respect to mandrel center line at the interior overcoat outer surface putting; By changing the center line of installing hole and the center line angulation of inner sleeve, adjust the gradient of overcoat outer surface; The installing hole inside putting easy to process, processing technology is more reasonable, efficient.
As preferably, in above-mentioned nip rolls, the center line angulation of the center line of described installing hole and inner sleeve is 0.6 degree～1.0 degree.The absolute value of angle is within the scope of this time, and the flattening effect of nip rolls is best.
As preferably, in above-mentioned nip rolls, the incline direction when flattening unit on described mandrel distributes towards mandrel two ends is contrary.Taking the installation portion center of mandrel as boundary, the incline direction of the flattening unit at mandrel two ends is contrary, in the nip rolls course of work, makes axial force that plastic sheeting is subject to towards plastic sheeting both sides and mutual balance respectively.
As preferably, in above-mentioned nip rolls, described overcoat two ends have respectively mounting groove, in above-mentioned mounting groove, are provided with bearing, and above-mentioned bearing one end is resisted against on the medial surface of corresponding mounting groove, and the other end is by snap ring and inner sleeve location.The assembling of overcoat and inner sleeve is more convenient, and the kinds of bearings at overcoat two ends is all identical with model, and when overcoat is rotated, the frictional force at two ends is consistent, ensures stability when overcoat rotates, and avoids overcoat vibration to cause flattening effect and declines.
As another kind of scheme, in above-mentioned nip rolls, described mandrel has the installation portion that flattens unit for installing, and described installation portion is column, the polygon of symmetry centered by the cross section of described installation portion, the center line of described installation portion tilts with respect to the center line of mandrel.By installation portion being processed into the structure tilting with respect to mandrel center line, the outer surface that flattens unit is tilted with respect to mandrel center line.
As preferably, in above-mentioned nip rolls, the two ends of described installation portion center are contrary with respect to the incline direction of mandrel center line.Taking the installation portion center of mandrel as boundary, the incline direction of installation portion is contrary, in the nip rolls course of work, and the axial force that plastic sheeting is subject to towards plastic sheeting both sides and mutual balance respectively.
In above-mentioned nip rolls, described flattening unit comprises overcoat, between each described overcoat and installation portion, is provided with and is sleeve cylindraceous, and described sleeve center has the installing hole corresponding with described installation portion shape; Described overcoat two ends have respectively mounting groove, in above-mentioned mounting groove, are provided with bearing, and above-mentioned bearing one end is resisted against on the medial surface of corresponding mounting groove, and the other end is by snap ring and sleeve location.
Compared with prior art, the advantage of this nip rolls is:
1, this nip rolls flattens unit by several are set, and the mode flattening by segmentation flattens plastic sheeting, and the axial force that plastic sheeting part is subject to is less, has avoided the transition of plastic sheeting to stretch, and has improved the flattening effect of plastic sheeting.
2, the mandrel installation portion of this nip rolls adopts polygonized structure, flattens the installing hole putting in unit and adopts the polygonal hole matching with installation portion, has improved the circumferential positioning precision between inner sleeve and mandrel.The center line that inside puts installing hole tilts with respect to inner sleeve center line, easy to process.
3, the kind of the overcoat bearings at both ends of this nip rolls and model are all identical, and when overcoat is rotated, the frictional force at two ends is consistent, ensure stability when overcoat rotates, and reduce overcoat vibration, make the flattening better effects if of nip rolls.
Brief description of the drawings
Fig. 1 is the sectional structure schematic diagram of this nip rolls.
Fig. 2 is the sectional structure schematic diagram that flattens unit in embodiment mono-.
Fig. 3 is the structural representation on end face of inner sleeve in embodiment mono-.
Fig. 4 is the sectional structure schematic diagram that flattens unit in embodiment mono-and do not install bearing state.
In figure, 1, mandrel; 11, installation portion; 12, connecting portion; 2, flatten unit; 3, inner sleeve; 31, installing hole; 4, overcoat; 41, mounting groove; 5, bearing; 6, snap ring.
Detailed description of the invention
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
Embodiment mono-:
This nip rolls comprises mandrel 1 and flattens unit 2.
Specifically, as shown in Figure 1, mandrel 1 comprises for the installation portion 11 that flattens unit 2 and the connecting portion 12 that is positioned at installation portion 11 two ends are installed.Flatten unit 2 and be cylindric, flatten unit 2 by keeper and mandrel 1 axial location, between adjacent flattening unit 2, leave gap.The center line of each flattening unit 2 all tilts with respect to mandrel 1 center line, and each flattening unit 2 can rotate with respect to mandrel 1 independently.In the present embodiment, installation portion 11 is column, the polygon of symmetry centered by the cross section of installation portion 11, and the center line of the center line of installation portion 11 and mandrel 1 is positioned at same straight line.In actual production and manufacture process, the cross section of installation portion 11 can be the polygons such as quadrangle, hexagon or octagon.By the installation portion of mandrel 1 11 is processed into polygonal cross section, mandrel 1 is easy to processing, and makes the circumferential location of mandrel 1 and flattening unit 2 more accurate.Keeper can be selected the other standards part that can buy on snap ring or market.
As shown in Figure 2 and Figure 4, in the present embodiment, flatten unit 2 and comprise overcoat 4, between each overcoat 4 and installation portion 11, be provided with inner sleeve 3, inner sleeve 3 is cylindric, and the length of inner sleeve 3 is greater than or equal to the length of overcoat 4, and inner sleeve 3 centers have the installing hole 31 corresponding with installation portion 11 shapes.As shown in Figures 2 and 3, the center line of installing hole 31 tilts with respect to the center line of inner sleeve 3.Overcoat 4 is cylindric, overcoat 4 is set in inner sleeve 3, overcoat 4 two ends have respectively mounting groove 41, in mounting groove 41, be provided with bearing 5, bearing 5 one end are resisted against on the medial surface of corresponding mounting groove 41, the other end is located by snap ring 6 and inner sleeve 3, make overcoat 4 and inner sleeve 3 axial location, and overcoat 4 can rotate with respect to inner sleeve 3.The polygonal hole of the installing hole 31 of inner sleeve 3 for mating with the installation portion 11 of mandrel 1, and installing hole 31 is centroclinal with respect to inner sleeve 3, and overcoat 4 outer surfaces that make to be set in inner sleeve 3 tilt with respect to mandrel 1 center line.By changing the center line of installing hole 31 and the center line angulation of inner sleeve 3, adjust the gradient of overcoat 4 outer surfaces; Installing hole 31 in inner sleeve 3 easy to process, processing technology is more reasonable, efficient.When assembling, can first inner sleeve 3 and overcoat 4 be assembled into assembly, then be installed to one by one on mandrel 1.As preferred version, as shown in Figure 2, the center line angulation a of the center line of installing hole 31 and inner sleeve 3 is 1.0 degree.The absolute value of angle is within the scope of this time, and the flattening effect of nip rolls is best.
As shown in Figure 1, in the present embodiment, inner sleeve 3 is set on the installation portion 11 of mandrel 1 vertically, and overcoat 4 outer surfaces are all tilted with respect to mandrel 1 center line.As preferred version, flatten unit 2 taking installation portion 11 centers as the incline direction of boundary in the time that mandrel 1 two ends distribute is contrary, flattening unit 2 quantity at two ends are identical, and the incline direction of the flattening unit 2 on every one end is also identical.This makes the incline direction of overcoat 4 outer surfaces is contrary in installation portion 11 both sides, center, in the nip rolls course of work, plastic sheeting contacts with the outer surface of overcoat 4, the axial force that plastic sheeting is subject to towards plastic sheeting both sides and mutual balance respectively, prevents that plastic sheeting from offseting to one side in flattening process.
The occupation mode of this nip rolls is: the mandrel of nip rolls 1 is installed and is positioned on the transfer passage of plastic sheeting, plastic sheeting surface in the time sliding is contacted with flattening unit 2 outer surfaces of nip rolls.Because the outer surface that flattens unit 2 tilts, plastic sheeting and the active force flattening between unit 2 are broken down into axial force and the radial load with respect to mandrel 1.The effect that the folding or fold of plastic sheeting is in axial force launches to the sidepiece of plastic sheeting, has realized the flattening of plastic sheeting.Several are set on this nip rolls and flatten unit 2, the mode flattening by segmentation flattens plastic sheeting better.Flatten unit 2 and be set in respectively on mandrel 1, make nip rolls dismounting dismounting more convenient, be conducive to assembling and the maintenance of nip rolls.
Embodiment bis-:
Technical scheme in technical scheme in the present embodiment and embodiment mono-is basic identical, and difference is, in the present embodiment, mandrel 1 has the installation portion 11 that flattens unit 2 for installing, and connecting portion 12 and installation portion 11 adopt split-type structural.Installation portion 11 is column, the polygon of symmetry centered by the cross section of installation portion 11, and the center line of installation portion 11 tilts with respect to the center line of mandrel 1.By installation portion 11 being processed into the structure tilting with respect to mandrel 1 center line, the outer surface that flattens unit 2 is tilted with respect to mandrel 1 center line.Flatten unit 2 and comprise overcoat 4, between each overcoat 4 and installation portion 11, be provided with and be sleeve cylindraceous, sleeve center has the installing hole 31 corresponding with installation portion 11 shapes, overcoat 4 two ends have respectively mounting groove 41, in mounting groove 41, be provided with bearing 5, bearing 5 one end are resisted against on the medial surface of corresponding mounting groove 41, and the other end is by snap ring 6 and sleeve location.As preferred version, the two ends of installation portion 11 centers are contrary with respect to the incline direction of mandrel 1 center line.Taking installation portion 11 centers of mandrel 1 as boundary, the incline direction of installation portion 11 is contrary, in the nip rolls course of work, and the axial force that plastic sheeting is subject to towards plastic sheeting both sides and mutual balance respectively.
Embodiment tri-:
Technical scheme in technical scheme in the present embodiment and embodiment mono-or embodiment bis-is basic identical, and difference is, in the present embodiment, the center line angulation a of the center line of installing hole 31 and inner sleeve 3 is 0.6 degree.
Embodiment tetra-:
Technical scheme in technical scheme in the present embodiment and embodiment mono-or embodiment bis-is basic identical, and difference is, in the present embodiment, the center line angulation a of the center line of installing hole 31 and inner sleeve 3 is 0.8 degree.
Embodiment five:
Technical scheme in technical scheme in the present embodiment and embodiment mono-or embodiment bis-is basic identical, difference is, in the present embodiment, this nip rolls is applied to plastic sheeting is carried out on the vacuum coating equipment of plated film processing, by the nip rolls of segmented is set, plastic sheeting launches better, flattens, and makes the plated film of plastic sheeting more even, improves the coating effects of coating machine.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used mandrel 1, installation portion 11, connecting portion 12 herein, flattened the terms such as unit 2, inner sleeve 3, installing hole 31, overcoat 4, mounting groove 41, bearing 5, snap ring 6, do not got rid of the possibility that uses other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (10)
1. a nip rolls, this nip rolls comprises mandrel (1), it is characterized in that, on described mandrel (1), be arranged with vertically several and be flattening cylindraceous unit (2), described flattening unit (2) and mandrel (1) axial location, the center line of each described flattening unit (2) all tilts with respect to mandrel (1) center line, and each described flattening unit (2) can rotate with respect to mandrel (1) independently.
2. nip rolls according to claim 1, is characterized in that, each described flattening unit (2) is respectively by keeper and mandrel (1) axial location.
3. nip rolls according to claim 1 and 2, it is characterized in that, on described mandrel (1), there is the installation portion (11) that flattens unit (2) for installing, described installation portion (11) is column, the polygon of symmetry centered by the cross section of described installation portion (11), the center line of the center line of described installation portion (11) and mandrel (1) is positioned at same straight line.
4. nip rolls according to claim 3, it is characterized in that, described flattening unit (2) comprises overcoat (4), between each described overcoat (4) and installation portion (11), be provided with and be inner sleeve cylindraceous (3), above-mentioned inner sleeve (3) center has the installing hole (31) corresponding with described installation portion (11) shape, and the center line of above-mentioned installing hole (31) tilts with respect to the center line of inner sleeve (3); Described overcoat (4) is cylindric, and described overcoat (4) is set in inner sleeve (3) above and can rotates with respect to inner sleeve (3) described overcoat (4) and inner sleeve (3) axial location.
5. nip rolls according to claim 4, is characterized in that, the center line angulation of the center line of described installing hole (31) and inner sleeve (3) is 0.6 degree～1.0 degree.
6. nip rolls according to claim 4, is characterized in that, the incline direction when flattening unit (2) on described mandrel (1) distributes towards mandrel (1) two ends is contrary.
7. nip rolls according to claim 4, it is characterized in that, described overcoat (4) two ends have respectively mounting groove (41), in above-mentioned mounting groove (41), be provided with bearing (5), above-mentioned bearing (5) one end is resisted against on the medial surface of corresponding mounting groove (41), and the other end is by snap ring (6) and inner sleeve (3) location.
8. nip rolls according to claim 1 and 2, it is characterized in that, described mandrel (1) has the installation portion (11) that flattens unit, unit (2) for installing, described installation portion (11) is column, the polygon of symmetry centered by the cross section of described installation portion (11), the center line of described installation portion (11) tilts with respect to the center line of mandrel (1).
9. nip rolls according to claim 8, is characterized in that, the two ends of described installation portion (11) center are contrary with respect to the incline direction of mandrel (1) center line.
10. nip rolls according to claim 8, it is characterized in that, described flattening unit (2) comprises overcoat (4), between each described overcoat (2) and installation portion (11), be provided with and be sleeve cylindraceous, described sleeve center has the installing hole corresponding with described installation portion (11) shape; Described overcoat (4) two ends have respectively mounting groove (41), are provided with bearing (5) in above-mentioned mounting groove (41), and above-mentioned bearing (5) one end is resisted against on the medial surface of corresponding mounting groove (41), and the other end is by snap ring (6) and sleeve location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420044137.2U CN203792703U (en) | 2014-01-23 | 2014-01-23 | Flattening roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420044137.2U CN203792703U (en) | 2014-01-23 | 2014-01-23 | Flattening roll |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203792703U true CN203792703U (en) | 2014-08-27 |
Family
ID=51374967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420044137.2U Withdrawn - After Issue CN203792703U (en) | 2014-01-23 | 2014-01-23 | Flattening roll |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203792703U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103753804A (en) * | 2014-01-23 | 2014-04-30 | 温岭市通茂电子装备有限公司 | Flattening roller |
-
2014
- 2014-01-23 CN CN201420044137.2U patent/CN203792703U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103753804A (en) * | 2014-01-23 | 2014-04-30 | 温岭市通茂电子装备有限公司 | Flattening roller |
| CN103753804B (en) * | 2014-01-23 | 2016-08-31 | 温岭市通茂电子装备有限公司 | A kind of nip rolls |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140827 Effective date of abandoning: 20160831 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |