CN216753609U - Flexible strip pleating device and mask production device - Google Patents
Flexible strip pleating device and mask production device Download PDFInfo
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- CN216753609U CN216753609U CN202120670513.9U CN202120670513U CN216753609U CN 216753609 U CN216753609 U CN 216753609U CN 202120670513 U CN202120670513 U CN 202120670513U CN 216753609 U CN216753609 U CN 216753609U
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Abstract
Provided are a flexible band pleating device and a mask producing device. The pleating device of the flexible strip is used for pleating the flexible strip in the width direction of the flexible strip, wherein the pleating device comprises: the roller blade set comprises a bracket, and a first roller blade set and a second roller blade set which are arranged on the bracket. The first roller blade set includes one or more first roller blades, the second roller blade set includes one or more second roller blades, the first roller blades and the second roller blades are rotatably mounted to the bracket, and adjacent first roller blades and second roller blades partially overlap as viewed in a direction of rotational axes of the first roller blades and the second roller blades. The roller blade is adopted in the pleating device, rolling friction is mainly adopted between the blade and the flexible strip, sliding friction force between the blade and the flexible strip is reduced to the greatest extent, and the risk of damage of the flexible strip is reduced.
Description
Technical Field
The present application relates to a technique for pleating a flexible band, and more particularly to a pleating apparatus for a flexible band and a mask producing apparatus.
Background
CN208086936U discloses a gauze mask face folding device of full-automatic gauze mask production line, the device include frame, crease device, flattening device and setting device, and crease device, flattening device and setting device are installed in proper order in the frame from front to back.
Referring to fig. 2 and 3 of this patent, the crease device includes last crease riser group and lower crease riser group, goes up crease riser group and includes a plurality of last crease risers that arrange in proper order from left to right, and lower crease riser group includes a plurality of lower crease risers that arrange in proper order from left to right, and lower crease riser is the same with the quantity of last crease riser and alternate arrangement.
The mask cloth moves from front to back under the traction of the shaping device and sequentially passes through the crease mark device, the flattening device and the shaping device. When the mask cloth passes through the crease device, the mask cloth passes through the upper crease vertical plate group and the lower crease vertical plate group, each upper crease vertical plate is abutted to the upper surface of the mask cloth, each lower crease vertical plate is abutted to the lower surface of the mask cloth, and a plurality of creases (namely, recesses and protrusions which are arranged at intervals transversely on the mask cloth) in the front-back direction are formed on the mask cloth.
CN208925291U discloses a full-automatic gauze mask production line. Wherein the non-woven fabric is fed into the pleating roller and the pleating plate of the pleating device through the non-woven fabric conveying line to fold the middle part of the non-woven fabric. Referring to fig. 3 of the patent, the pleating plate comprises a plurality of fixing plates arranged alternately.
Fig. 1 shows a possible pleating device for pleating (or "pleating", "folding") the mask cloth. The pleating device includes a first support 100, a second support 200, a plurality of first folding blades 300, and a plurality of second folding blades 400. The plurality of first folding blades 300 extend in the width direction W and are mounted to the first bracket 100 at intervals in the height direction H. The plurality of second folding blades 400 extend in the width direction W and are attached to the second brackets 200 at intervals in the height direction H. The plurality of first folding blades 300 and the plurality of second folding blades 400 are arranged at intervals in the height direction H.
In the solution shown in fig. 1, the folding of the mask cloth 900 relies on the sliding friction of the folding blades (especially the tips of the blades), with the risk of damaging the cloth.
SUMMERY OF THE UTILITY MODEL
The present application has been made in view of the state of the art described above. An object of the application is to provide a device of pleating of flexible strip, and it adopts the gyro wheel blade to reduce the slip frictional force between blade and the flexible strip when guaranteeing the shaping, has reduced the damaged risk of flexible strip.
The application still provides a gauze mask apparatus for producing including above-mentioned pleating device.
In order to achieve the above object, the present application adopts the following technical solutions.
The present application provides a pleating device for pleating a flexible strip in its width direction, comprising:
a support; and
a first roller blade set and a second roller blade set mounted to the bracket,
wherein the first roller blade set includes one or more first roller blades, the second roller blade set includes one or more second roller blades, the first roller blades and the second roller blades are rotatably mounted to the bracket, and the adjacent first roller blades and second roller blades partially overlap as viewed in a direction of rotational axes of the first roller blades and the second roller blades.
In at least one embodiment, the first roller blade set includes a plurality of first roller blades having co-linear axes of rotation, the second roller blade set includes a plurality of second roller blades having co-linear axes of rotation,
the plurality of first roller blades and the plurality of second roller blades are alternately arranged.
In at least one embodiment, the first plurality of roller blades have a decreasing diameter to form a tower shape, and the second plurality of roller blades have an increasing diameter to form a tower shape.
In at least one embodiment, the plurality of first roller blades are rotatable independently of each other and the plurality of second roller blades are rotatable independently of each other.
In at least one embodiment, the first roller blade includes a blade portion and an annular flange portion disposed at a center of the blade portion, the flange portion being configured to define an axial spacing between adjacent first roller blades.
In at least one embodiment, the blade portions and the flange portions of the plurality of first roller blades are mounted to a first link by bearings or bushings, and the blade portions and the flange portions of the plurality of second roller blades are mounted to a second link by bearings or bushings.
In at least one embodiment, the first roller blade includes a lubricious coating and/or the second roller blade includes a lubricious coating.
In at least one embodiment, the stent comprises:
first and second struts spaced apart in the width direction; and
first and second cross members mounted to the first and second struts,
wherein the first and second roller blade sets are rotatably mounted between the first and second cross beams.
In at least one embodiment, the first leg includes a first opening that receives one end of the first beam and the second beam, the second leg includes a second opening that receives the other end of the first beam and the second beam,
the bracket further includes fastening bolts fastening the first cross member and the second cross member to the first opening of the first pillar and the second opening of the second pillar.
A mask producing apparatus is provided which includes a pleating device of a flexible strip of the present application for pleating a mask body as the flexible strip.
Through adopting above-mentioned technical scheme, this application provides a pleating device of flexible strip and including this pleating device's gauze mask apparatus for producing, should pleat the device and adopt the gyro wheel blade, mainly is rolling friction between blade and the flexible strip, and furthest has reduced the sliding friction power between blade and the flexible strip, has reduced the damaged risk of flexible strip.
Drawings
Fig. 1 shows a possible pleating device for pleating a mask cloth.
FIG. 2 is a perspective view of one embodiment of a pleating device for a flexible strap as provided herein.
Fig. 3 is a cross-sectional view of the pleating device of fig. 2 in the width direction through the center of the fastening bolt.
FIG. 4 is an exploded view of the pleating device of FIG. 2.
Fig. 5 is a perspective view of one embodiment of the mask body and the pleating device of the present application in combination.
Fig. 6 is a cross-sectional view of the mask body and the pleating device of fig. 5 in a width direction passing through the center of the fastening bolt.
Figure 7A is a cross-sectional view of a mask body through a pair of roller blades provided herein.
Figure 7B is a cross-sectional view of a mask body through two pairs of roller blades provided herein.
Description of the reference numerals
10 bracket 11 first leg 12 second leg 13 first beam 14 second beam 15 first bolt 16 hollow cylinder 17 third bolt 18 second bolt 19 fastening bolt 20 fourth bolt;
30 a first roller blade group 31 a first upper roller blade 32 a first middle roller blade 33 a first lower roller blade 34 a first connector 301 blade portion 302 flange portion;
40 second roller blade set 41 second upper roller blade 42 second middle roller blade 43 second lower roller blade 44 second link;
50 mask body.
Detailed Description
Exemplary embodiments of the present application are described below with reference to the accompanying drawings. It should be understood that the detailed description is intended only to teach one skilled in the art how to make and use the present application, and is not intended to be exhaustive or to limit the scope of the application.
According to a first aspect of embodiments of the present application, a pleating device for a flexible strip for pleating the flexible strip in its width direction W is proposed. FIG. 2 illustrates a perspective view of one embodiment of a pleating device of a flexible strap as provided herein.
As shown in fig. 2, the pleating device includes a frame 10 and a first roller blade set 30 and a second roller blade set 40 mounted to the frame 10. The bracket 10 may be an i-shaped bracket, the two side pillars (i.e., the first pillar 11 and the second pillar 12 described later) are used for fixing the whole device, and the first roller blade set 30 and the second roller blade set 40 may be mounted on the middle cross beam of the bracket 10 to facilitate the passage of the flexible strip.
The first roller blade set 30 may include one or more first roller blades, and the second roller blade set 40 may include one or more second roller blades rotatably mounted to the frame 10, with adjacent first and second roller blades partially overlapping to facilitate pleating, as viewed in the direction of the rotational axis of the first and second roller blades. Therefore, in the process of folding the flexible strip, the roller blade rolls on the flexible strip, and the risk of breakage of the flexible strip due to excessive friction is reduced while the forming is ensured.
Fig. 3 shows a cross-section of the pleating device of fig. 2 in the width direction W through the centre of the fastening bolt 19. Fig. 4 shows an exploded view of the pleating device of fig. 2.
In a preferred embodiment, as shown in fig. 3 to 4, the first roller blade group 30 includes a plurality of first roller blades whose rotational axes are collinear, the second roller blade group 40 includes a plurality of second roller blades whose rotational axes are collinear, and the plurality of first roller blades and the plurality of second roller blades are alternately arranged. Preferably, the first and second roller blade sets 30, 40 have the same number of roller blades. For example, the number of the first roller blade and the second roller blade is 3 each, and the first upper roller blade 31, the first middle roller blade 32, and the first lower roller blade 33, and the second upper roller blade 41, the second middle roller blade 42, and the second lower roller blade 43, respectively. The first roller blade set 30 and the second roller blade set 40 are alternately arranged with the second upper roller blade 41 being positioned uppermost and the first lower roller blade 33 being positioned lowermost.
In a preferred embodiment, as shown in fig. 3, the plurality of first roller blades are of decreasing diameter to form a pagoda shape, i.e., an inverted pagoda shape, and the plurality of second roller blades are of increasing diameter to form a pagoda shape, i.e., a right-up pagoda shape. Such a configuration facilitates the alternating arrangement between the first roller blades of the first roller blade set 30 and the second roller blades of the second roller blade set 40 with an overlapping portion therebetween. Preferably, the lengths of the overlapping portions of adjacent roller blades in the width direction W of the pleating device are the same.
In a preferred embodiment, the plurality of first roller blades are rotatable independently of each other, and likewise, the plurality of second roller blades are also rotatable independently of each other. When the flexible strip is conveyed through the plurality of roller blades, the linear speed of the outer peripheries of the plurality of roller blades is assumed to be consistent with the speed of the flexible strip, the rotating speeds (unit, revolution/minute) of the plurality of flexible strips are different, and the plurality of first (or second) roller blades can rotate independently from each other, so that the linear speed of the outer peripheries of the plurality of roller blades can be ensured to be consistent with the speed of the flexible strip as much as possible, and the friction between the roller blades and the flexible strip can be reduced.
In a preferred embodiment, the first roller blades include a blade portion 301 and a ring-shaped flange portion 302 disposed at the center of the blade portion 301, the flange portion 302 being capable of defining an axial space between adjacent first roller blades. The blade portion 301 and the flange portion 302 are formed in a circular hollow portion therebetween. The second roller blade may have a similar structure.
Alternatively, as exemplified by the first roller blade set 30, each flange portion 302 may be provided with a shim for defining an axial spacing between adjacent first roller blades together with the flange portion 302, and the provision of the shim may further reduce friction.
In a preferred embodiment, as shown in fig. 2-3, the stent 10 comprises: a first strut 11 and a second strut 12 spaced apart in the width direction W of the pleating device for supporting the entire pleating device; and first and second cross members 13 and 14 mounted to the first and second columns 11 and 12. Wherein the first roller blade set 30 can be rotatably mounted between the first beam 13 and the second beam 14 by the first link 34, and the second roller blade set 40 can be rotatably mounted between the first beam 13 and the second beam 14 by the second link 44. This allows for the fixed position of the first and second roller blade sets 30, 40 and the rotation of the first roller blade set 30 about the first link 34 and the rotation of the second roller blade set 40 about the second link 44.
In a preferred embodiment, as shown in fig. 2-4, the first leg 11 includes a first opening 111 that receives one end of the first beam 13 and the second beam 14, and the second leg 12 includes a second opening 121 that receives the other end of the first beam 13 and the second beam 14. The first beam 13 and the second beam 14 each have a through hole at both ends, and after the mounting is completed, the through holes on the same side of the first beam 13 and the second beam 14 are aligned at the center. And the first beam 13 and the second beam 14 are spaced apart by a hollow cylinder 16, and the hollow portion of the hollow cylinder 16 is aligned with the through holes of the first beam 13 and the second beam 14 to facilitate the screwing of the first bolt 15 and the second bolt 18. The hollow cylinder 16, the first bolt 15 and the second bolt 18 may each be 2 and are located in the first opening 111 on one side and the second opening 121 on the other side of the first beam 13 and the second beam 14.
The bracket 10 may further include fastening bolts 19 fastening the first and second cross members 13 and 14 to the first and second openings 111 and 121 of the first and second supports 11 and 12. The number of the fastening bolts 19 may be 2, and are symmetrically arranged along the centers of the first and second cross members 13 and 14. The portion of the first leg 11 located on the upper side of the first opening 111 and the portion of the second leg 12 located on the upper side of the second opening 121 may be provided with screw holes, and fastening bolts 19 may be screwed into the screw holes to press against the first beam 13 to fix the first beam 13 and the second beam 14.
In a preferred embodiment, as shown in fig. 3-4, the blade portions 301 and flange portions 302 of the plurality of first roller blades are mounted to the first link 34 by bearings or bushings 303 and to the first beam 13 and second beam 14 by the first link 34 and third bolts 17, and the blade portions and flange portions of the plurality of second roller blades are mounted to the second link 44 by bearings or bushings and to the first beam 13 and second beam 14 by the second link 44 and fourth bolts 20. This fixes the positions of the plurality of first roller blades and the plurality of second roller blades and allows the first roller blades and the second roller blades to rotate. Preferably, the first connector 34 and the second connector 44 are hollow cylindrical.
In one non-limiting embodiment, the roller blade is rotated by the flexible band, and there may be no other drive source for rotating the roller blade. The arrangement of the bearing or the shaft sleeve can reduce the rotation resistance of the roller blade.
In a preferred embodiment, the first roller blade may include a lubricious coating and the second roller blade may also include a lubricious coating to further reduce the friction of the blade portion of the roller blade with the flexible strip. For example, the material of the lubricious coating can include PTFE.
The wrinkling device of this application has adopted the gyro wheel blade, has formed the interval between the reasonable blade through setting up flange portion between the blade, is rolling friction between blade and the flexible strip, and furthest has reduced the frictional force between blade and the flexible strip, has reduced the damaged risk of flexible strip.
According to a second aspect of embodiments of the present application, a mask producing apparatus is presented. Figure 5 illustrates a perspective view of one embodiment of a mask body 50 (which may be exemplified as a flexible strip) in combination with a tucker device as provided herein. Fig. 6 shows a cross-sectional view of the mask body and the pleating device in the width direction W passing through the center of the fastening bolt 19.
As shown in fig. 5 and 6, the mask producing apparatus includes the aforementioned pleating device for the flexible strip for pleating the mask body 50 as the flexible strip. The contact manner of the pleated mask body 50 with the roller blade, i.e., the manner of pleating the mask body 50, may be similar to that of the prior art, and will not be described in detail herein. It is understood that the first and second beams 13 and 14 of the present application may contact the mask body 50, further restricting the shape of the pleated mask body 50.
Figure 7A is a cross-sectional view of a mask body 50 through a pair of roller blades provided herein.
As shown in fig. 7A, the mask body 50 is folded in a zigzag shape to pass around a pair of roller blades. The outer periphery of the circular roller blade abuts against the turning part of the mask body 50.
Figure 7B is a cross-sectional view of a mask body 50 through two pairs of roller blades as provided herein.
As shown in fig. 7B, the mask body 50 is folded in a double Z shape to pass around two pairs of roller blades.
The utility model provides a gauze mask apparatus for producing adopts foretell wrinkling device, changes the sliding friction between blade and the gauze mask body among the prior art into rolling friction, has reduced the damaged risk of cloth when guaranteeing the shaping. It should be understood that in the present application sliding friction is reduced or reduced, but not necessarily avoided altogether.
It should be understood that the above embodiments are merely exemplary, and are not intended to limit the present application. Various modifications and alterations of the above-described embodiments may be made by those skilled in the art in light of the teachings of this application without departing from the scope thereof.
Claims (10)
1. A pleating device for pleating a flexible strip in its width direction, comprising:
a support; and
a first roller blade set and a second roller blade set mounted to the bracket,
wherein the first roller blade set includes one or more first roller blades, the second roller blade set includes one or more second roller blades, the first roller blades and the second roller blades are rotatably mounted to the bracket, and the adjacent first roller blades and second roller blades partially overlap as viewed in a direction of rotational axes of the first roller blades and the second roller blades.
2. The pleating device of a flexible strip according to claim 1,
the first roller blade group includes a plurality of first roller blades whose rotational axes are collinear, the second roller blade group includes a plurality of second roller blades whose rotational axes are collinear,
the plurality of first roller blades and the plurality of second roller blades are alternately arranged.
3. Pleating device of a flexible strip according to claim 2,
the first roller blades are reduced in diameter to form a tower shape, and the second roller blades are increased in diameter to form a tower shape.
4. Pleating device of a flexible strip according to claim 2,
the plurality of first roller blades are rotatable independently of each other, and the plurality of second roller blades are rotatable independently of each other.
5. Pleating device of a flexible strip according to claim 2,
the first roller blade includes a blade portion and an annular flange portion provided at a center of the blade portion, the flange portion being capable of defining an axial space between adjacent first roller blades.
6. The pleating device of a flexible strip according to claim 5,
the blade portions and the flange portions of the plurality of first roller blades are mounted to a first coupling member through bearings or bushings, and the blade portions and the flange portions of the plurality of second roller blades are mounted to a second coupling member through bearings or bushings.
7. Pleating device for a flexible strip according to any one of claims 1 to 6,
the first roller blade includes a lubricating coating, and/or
The second roller blade includes a lubricious coating.
8. A pleating device for a flexible strip according to any one of claims 1 to 6, wherein said support comprises:
first and second struts spaced apart in the width direction; and
first and second cross members mounted to the first and second struts,
wherein the first and second roller blade sets are rotatably mounted between the first and second cross beams.
9. The pleating device of a flexible strip according to claim 8,
the first leg including a first opening receiving one end of the first beam and the second beam, the second leg including a second opening receiving the other end of the first beam and the second beam,
the bracket further includes fastening bolts fastening the first cross member and the second cross member to the first opening of the first pillar and the second opening of the second pillar.
10. A mask producing apparatus comprising the flexure strip pleating device of any one of claims 1 to 9 for pleating a mask body as the flexure strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120670513.9U CN216753609U (en) | 2021-04-01 | 2021-04-01 | Flexible strip pleating device and mask production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120670513.9U CN216753609U (en) | 2021-04-01 | 2021-04-01 | Flexible strip pleating device and mask production device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216753609U true CN216753609U (en) | 2022-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120670513.9U Active CN216753609U (en) | 2021-04-01 | 2021-04-01 | Flexible strip pleating device and mask production device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216753609U (en) |
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2021
- 2021-04-01 CN CN202120670513.9U patent/CN216753609U/en active Active
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