CN111422673B - Cloth conveying and flanging mechanism and mask machine with same - Google Patents
Cloth conveying and flanging mechanism and mask machine with same Download PDFInfo
- Publication number
- CN111422673B CN111422673B CN202010154374.4A CN202010154374A CN111422673B CN 111422673 B CN111422673 B CN 111422673B CN 202010154374 A CN202010154374 A CN 202010154374A CN 111422673 B CN111422673 B CN 111422673B
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- Prior art keywords
- cloth
- nose bridge
- flanging
- conveying
- flap
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- 239000004744 fabric Substances 0.000 title claims abstract description 171
- 230000007246 mechanism Effects 0.000 title claims abstract description 84
- 238000003825 pressing Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 21
- 238000003860 storage Methods 0.000 claims description 15
- 230000009471 action Effects 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 4
- 230000007306 turnover Effects 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 3
- 230000037303 wrinkles Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 239000004745 nonwoven fabric Substances 0.000 description 15
- 238000003466 welding Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H45/00—Folding thin material
- B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
- A41H43/00—Other methods, machines or appliances
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
- A41H43/00—Other methods, machines or appliances
- A41H43/02—Handling garment parts or blanks, e.g. feeding, piling, separating or reversing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H37/00—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations
- B65H37/06—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations for folding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/174—Textile; fibres
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
Abstract
本申请涉及一种布料传输翻边机构及具有该布料传输翻边机构的口罩机，当布料传输到翻边组件的弯折部，布料发生弯折，同时受到折板时需要设置第一折板和第二折板的挤压，布料两侧沿第一折板和第二折板的内壁翻起，并且由于第一折板和第二折板于水平部分成一定角度，导致布料两侧翻起部分受到朝向拐角处的力大于布料主体部分，产生布料两侧翻起部分靠近布料主体部分的效果。在使布料发生弯折的情况下进行翻折操作，能够在初始具有翻折存在的时候，通过弯折使翻折继续进行，再辅以翻折部对布料两端的压力。从而使得布料翻边机构的翻边工序相比传统结构翻边成功率更大，翻边尺寸误差更小。
The present application relates to a fabric transfer flanging mechanism and a mask machine with the fabric transfer flanging mechanism. When the fabric is transferred to the bending part of the flanging assembly, the fabric is bent, and a first folding plate needs to be installed when it is subjected to the folding plate. Pressing with the second folded plate, both sides of the cloth are turned up along the inner walls of the first and second folded plates, and since the first folded plate and the second folded plate form a certain angle in the horizontal part, both sides of the cloth are turned upside down. The force towards the corner is greater than that of the main part of the fabric, resulting in the effect that the upturned parts on both sides of the fabric are close to the main part of the fabric. The folding operation is performed under the condition that the cloth is folded, and the folding can be continued by bending when there is a fold at the beginning, supplemented by the pressure of the folded portion on both ends of the cloth. Therefore, compared with the traditional structure, the flanging process of the cloth flanging mechanism has a higher success rate and smaller flanging size error.
Description
Technical Field
The application belongs to the technical field of medical supplies production equipment, and particularly relates to a cloth transmission flanging mechanism and a mask machine with the same.
Background
The mask is mainly composed of non-woven fabrics, dissolving spraying fabrics, ear bands, nose bridge strips and the like. In the prior art, the mask is produced by a full-automatic mask machine through the processes of stacking, folding, flanging, cutting and the like of non-woven fabrics, dissolving and spraying fabrics and nose bridge strips.
Such as: the most common three-layer disposable mask has a structure shown in fig. 1, and comprises a three-layer mask sheet 91, wherein two sides of the mask sheet 91 are provided with ear bands 92, the left edge and the right edge of the mask sheet 91 are respectively provided with a spot band or a covered edge in a welding manner, a fold 911 is formed in the middle of the mask sheet 91, the mask sheet 91 is provided with a nose bridge strip 93 along the length direction, the three-layer mask sheet 91 is formed by three layers of a non-woven fabric layer, a melt-blown fabric layer and a non-woven fabric layer, wherein the non-woven fabric layer positioned on the inner side is required to be turned outwards to the non-woven fabric layer on the outer side on the edge of the length (the upper side and the lower side of fig. 1), and the three layers of fabric layers are bonded together through welding. More multilayer masks, that is, more cloth layers are added between two layers of non-woven fabrics, and the condition of flanging is also needed.
The flanging error rate of the existing full-automatic mask machine is high during flanging, and flanging is easy to fail or the flanging size does not reach the standard.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the cloth conveying and flanging mechanism and the mask machine with the cloth conveying and flanging mechanism can improve flanging effects.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a cloth conveying and flanging mechanism, which comprises a cloth conveying and flanging mechanism,
the method comprises the following steps: the conveying limiting assembly, the flanging assembly and the compressing assembly are arranged on the conveying device;
the transmission limiting assembly is used for conveying cloth;
the turn-up assembly includes: the cloth conveying device comprises a turning part and a turning part, wherein the turning part is used for being matched with a conveying limiting assembly to turn the cloth to form a first conveying surface and a second conveying surface, the included angle between the first conveying surface and the second conveying surface is 50-130 degrees, and the turning part is used for turning the cloth from the edge of the cloth to the middle of the connecting part of the first conveying surface and the second conveying surface;
and the pressing component is arranged at the rear end of the flanging component and is used for applying pressure to the flanged cloth.
Preferably, the cloth conveying flanging mechanism comprises a flanging baffle, the flanging baffle comprises a horizontal part and a vertical part which are perpendicular to each other, and a turning part is formed at the joint of the horizontal part and the vertical part;
one side or two sides of the horizontal part are provided with a flap extending towards the middle part of the horizontal part to form a turnover part, a gap for the cloth to pass through is arranged between the flap and the horizontal part, and the front end of the flap is provided with an action edge for applying pressure to the cloth to turn over the edge of the cloth.
Preferably, in the cloth conveying and flanging mechanism of the present invention, the folded plate is an arc-shaped plate, and an included angle formed by a tangent line of any point on the arc-shaped plate and the horizontal part decreases with an increase in distance from the point to the horizontal part.
Preferably, in the cloth conveying and flanging mechanism of the present invention, the included angle formed by the tangent line of any point on the arc-shaped plate and the horizontal portion is not greater than 45 °.
Preferably, in the cloth conveying and flanging mechanism, the acting edge of the folded plate for folding the cloth is an arc-shaped edge.
The present invention also provides a mask machine, comprising:
the cloth storage mechanism is used for storing cloth;
the nose bridge strip storage mechanism is used for storing the nose bridge strips;
the cloth stacking mechanism is used for extracting cloth from the cloth storage mechanism and stacking the cloth together;
the cloth folding mechanism is used for folding the stacked cloth into a wrinkle part;
the cloth flanging mechanism is the cloth conveying flanging mechanism;
and the nose bridge strip feeding mechanism is used for extracting the nose bridge strips from the nose bridge strip storage mechanism and transmitting the nose bridge strips to the cloth flanging mechanism.
Preferably, the mask machine of the present invention further includes a nose bridge strip feeding mechanism, which includes a power roller for conveying the nose bridge strip, a cutter roller for cutting the nose bridge strip, and a nose bridge strip guide for guiding the cut nose bridge strip onto the folded cloth.
Preferably, in the mask machine of the present invention, the nose bridge guide is a hollow cylinder, and a tip end of the hollow cylinder extends into a gap between the flap and the horizontal portion.
Preferably, in the mask machine of the present invention, the nose bridge guide has an opening for receiving one end of the nose bridge strip larger than an opening for outputting one end of the nose bridge strip.
Preferably, in the mask machine of the present invention, the nose bridge line conveying surface of the nose bridge strip feeding mechanism is parallel to the horizontal plane.
The invention has the beneficial effects that:
the application provides a cloth transmission turn-ups mechanism and have gauze mask machine of this cloth transmission turn-ups mechanism, transmit the kink of turn-ups subassembly when the cloth, the cloth takes place to buckle, need set up the extrusion of first folded plate and second folded plate when receiving the folded plate simultaneously, the cloth both sides are turned up along the inner wall of first folded plate and second folded plate, and because first folded plate and second folded plate fall into certain angle in the horizontal part, it is greater than cloth main part to lead to the cloth both sides to turn up the part and receive the power towards the corner, produce the cloth both sides and turn up the effect that the part is close to cloth main part. The folding operation is carried out under the condition that the cloth is bent, when the folding exists initially, the folding is continued through bending, and then the pressure of the folding part on the two ends of the cloth is assisted. Thereby make the turn-ups process of cloth turn-ups mechanism compare traditional structure turn-ups and become the power bigger, turn-ups size error is littleer.
Drawings
The technical solution of the present application is further explained below with reference to the drawings and the embodiments.
FIG. 1 is a schematic view of a prior art mask;
fig. 2 is a perspective view of the overall structure of the mask machine according to the embodiment of the present application;
fig. 3 is a schematic view illustrating an overall cloth conveying manner of the mask machine according to the embodiment of the present application;
fig. 4 is a schematic structural view of a cloth flanging mechanism, a nose bridge strip feeding mechanism and a pressing assembly of the mask machine according to the embodiment of the present application;
FIG. 5 is a perspective view of a turn-up baffle structure according to an embodiment of the present application;
FIG. 6 is a top view of a turn-up baffle structure according to an embodiment of the present application;
FIG. 7 is a front view of a turn-up baffle structure of an embodiment of the present application;
FIG. 8 is a perspective view of a nose bridge bar feed mechanism of an embodiment of the present application;
fig. 9 is a schematic structural view of a welding roll according to an embodiment of the present application.
The reference numbers in the figures are:
1 a cloth storage mechanism;
2 nose bridge strip storage mechanism;
3 a cloth conveying mechanism;
4 a cloth laminating mechanism;
5 a cloth folding mechanism;
6 turn-ups subassembly
7 nose bridge strip feed mechanism
8, compacting the assembly;
11 outer non-woven fabric roll;
12 melt-blown fabric rolls;
13 inner non-woven fabric roll;
14 additional rolls of fabric;
31 a transfer roller;
61, flanging a baffle plate;
71 a power roller;
72 knife roll;
73 nose bridge bar guide;
74 a slider;
75 adjusting the screw;
76 a limiting seat;
81 welding rolls;
91 mask sheet;
92 an ear band;
93 a nose bridge strip;
911 creasing;
101 a first transport plane;
102 a second transport surface;
611 horizontal portion;
612 a vertical portion;
761 opening the side;
762 upper opening;
6111 a first folded plate;
6112 second flap.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.
The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1
This embodiment provides a cloth transmission turn-ups mechanism, as shown in fig. 4-7, includes:
the method comprises the following steps: the conveying limiting assembly, the flanging assembly 6 and the pressing assembly 8;
the transmission limiting assembly is used for conveying cloth;
the turn-up assembly 6 comprises: the cloth conveying device comprises a turning part and a turning part, wherein the turning part is used for being matched with a conveying limiting assembly to turn the cloth to form a first conveying surface 101 and a second conveying surface 102, the included angle between the first conveying surface 101 and the second conveying surface 102 is 50-130 degrees, such as 50 degrees, 60 degrees, 70 degrees, 80 degrees, 90 degrees, 100 degrees, 110 degrees, 120 degrees and 130 degrees, preferably 90 degrees +/-10 degrees, and the turning part is used for turning the cloth from the edge of the cloth to the middle at the connecting part of the first conveying surface 101 and the second conveying surface 102;
and the compressing assembly 8 is arranged at the rear end of the flanging assembly 6 and is used for applying pressure to the flanged cloth.
As a preferred embodiment, the cloth edge-upturning mechanism comprises an edge-upturning baffle 61, the edge-upturning baffle 61 comprises a horizontal part 611 and a vertical part 612 which are perpendicular to each other, a turning part is formed at the joint of the horizontal part 611 and the vertical part 612, the turning part is directly formed at the arc joint of the two plates, generally, in order to reduce friction force, the surface of the whole edge-upturning baffle 61 is mirror-finished, of course, a rotating roller can be arranged here, the turning part in this embodiment is to form a bending of the cloth, and the forming of the bending part should not be limited by the description in the examples;
one or both sides of the horizontal part 611 are provided with flaps extending toward the middle part of the horizontal part 611 to form a flap, a gap is provided between the flaps and the horizontal part 611 for the cloth to pass through, and the front ends of the flaps are provided with an active edge for applying pressure to the cloth to fold the edge of the cloth. The active edge is preferably an arcuate edge.
In a preferred embodiment, the flap is an arc, and the angle formed by a tangent line at any point on the arc and the horizontal portion 611 decreases with increasing distance from that point to the horizontal portion 611 (i.e. the flap is an arc of a circle when viewed from the side).
As a preferred embodiment, the distance from any point on the active edge to the hinge is proportional to the distance from the point to the connection between the flap and the horizontal portion 611 (i.e. the flap is a diagonal line of a circle when viewed in horizontal projection). The angle formed by the tangent line of any point on the arc plate and the horizontal part 611 is not more than 45 degrees, and the angle formed by the tangent line of the tail end of the arc plate and the horizontal part 611 is 0 degree (parallel).
It should be noted that the cloth used for the hem should be less than the width of the horizontal portion 611 and the length of the projection of the flap (distance from the end of the flap to where the flap joins the horizontal portion 611) on the horizontal plane (the plane of the horizontal portion 611) should be greater than the width of the cloth turned over portion.
The flanging principle of the cloth flanging mechanism is as follows: when the width of the cloth is greater than the width of the horizontal portion 611, when the cloth of the cloth reaches the front of the cloth flanging mechanism along the transmission direction, the width of the cloth is the original width, when the cloth is transmitted to the bending portion, the cloth is bent (to form the first transmission surface 101 and the second transmission surface 102 which are not coplanar), and is simultaneously extruded by the folding plates (the first folding plate 6111 and the second folding plate 6112 need to be arranged when the two sides are folded), the two sides of the cloth are folded along the inner walls of the first folding plate 6111 and the second folding plate 6112, and because the first folding plate 6111 and the second folding plate 6112 form a certain angle in the horizontal portion 611, the folded portions on the two sides of the cloth are subjected to a force towards the corner to be greater than the main portion of the cloth, and an effect that the folded portions on the two sides of the cloth are close to the main portion of the cloth is generated. The folding operation is carried out under the condition that the cloth is bent, when the folding exists initially, the folding is continued through bending, and then the pressure of the folding part on the two ends of the cloth is assisted. Thereby make the turn-ups process of cloth turn-ups mechanism compare traditional structure turn-ups and become the power bigger, turn-ups size error is littleer.
Specifically, the transmission limiting assembly is a plurality of transmission rollers 31 and power rollers with different heights, the transmission direction of the cloth is adjusted by the transmission rollers 31, so that the height of the cloth is lower than the horizontal part 611, and finally the first transmission surface 101 and the second transmission surface 102 are formed (the first transmission surface 101 is a basic vertical part in fig. 3, and the second transmission surface 102 is a horizontal part in fig. 3).
In the specific embodiment, as shown in fig. 5 and 7, for performing the two-side edge-turning, two sides of the horizontal portion 611 are respectively provided with a first flap 6111 and a second flap 6112, and an included angle between a projection of an acting edge of the first flap 6111 on the horizontal portion 611 and a connection position of the horizontal portion 611 and the vertical portion 612 is 30-60 ° (a value in fig. 6), preferably 40-50 °; the angle between the projection of the active edge of the second flap 6112 onto the horizontal portion 611 and the junction of the horizontal portion 611 and the vertical portion 612 is 35-65 ° (value of β in fig. 6), preferably 45-55 °. The second flap 6112 needs to receive the nose bridge strip delivered by the nose bridge strip feeding mechanism 7 in embodiment 2, and therefore needs a certain "bump", and in terms of angle setting, needs to make the angle of the action edge larger.
Example 2
This embodiment provides a mask machine, as shown in fig. 2, including:
the cloth storage mechanism 1 is used for storing cloth;
a nose bridge strip storage mechanism 2 for storing a nose bridge strip;
the cloth stacking mechanism 4 is used for extracting cloth from the cloth storage mechanism 1 and stacking the cloth together;
a cloth folding mechanism 5 for folding the stacked cloth into a wrinkle part;
the cloth flanging mechanism is the cloth conveying flanging mechanism in the embodiment 1;
and the nose bridge strip feeding mechanism 7 is used for extracting the nose bridge strips from the nose bridge strip storage mechanism 2 and transmitting the nose bridge strips to the cloth flanging mechanism.
Specifically, in the present embodiment, as shown in fig. 2, the fabric storing mechanism 1 includes an outer nonwoven fabric roll 11, a meltblown fabric roll 12, and an inner nonwoven fabric roll 13 (the number of the fabric storing mechanisms 1 is determined according to the number of the required fabrics). As shown in fig. 3, the fabric conveying mechanism 3 extracts the fabric from the outer nonwoven fabric roll 11, the melt-blown fabric roll 12, and the inner nonwoven fabric roll 13, and stacks these three layers of fabric at the fabric stacking mechanism 4 to form the fabric of the mask body, in the specific embodiment, the fabric conveying mechanism 3 is provided with a plurality of conveying rollers 31, the plurality of conveying rollers 31 form a conveying surface of the fabric of the mask body, and as shown in fig. 2, at the fabric flanging mechanism, the lower right corner of the fabric flanging mechanism is provided with the conveying roller 31, and the fabric of the mask body is conveyed from the lower conveying roller 31 to the upper fabric flanging mechanism.
In this embodiment, as shown in fig. 6, the nose bridge strip feeding mechanism 7 includes: the nose bridge strip feeding mechanism 7 comprises a power roller 71 for conveying the nose bridge strip, a knife roller 72 for cutting the nose bridge strip, and a nose bridge strip guide 73 for guiding the cut nose bridge strip into the folded cloth. In particular, in this embodiment, the nose bridge guide 73 is a hollow cylinder, and the end of the hollow cylinder extends into the gap between the flap and the horizontal portion 611, so that the nose bridge can be wrapped by the folded-up fabric and is fixed by the pressing member 8 in a crimping manner.
In this embodiment, the pressing component 8 is disposed behind the cloth flanging mechanism along the cloth conveying direction and is used for welding and shaping the edge of the cloth of the mask main body with the flanging completed, so that the nose bridge is limited at the edge of the cloth of the mask main body of each section.
Preferably, the mask machine of the present embodiment, the fabric storage mechanism further includes an additional fabric roll 14, and the additional fabric roll 14, in addition to the outer nonwoven fabric roll 11, the meltblown fabric roll 12, and the inner nonwoven fabric roll 13, can produce a mask with four layers of fabric. The flexibility of the production change of the equipment is enhanced.
Preferably, as shown in fig. 8, the mask machine of this embodiment further includes a fixing frame, a sliding block 74, and an adjusting screw 75, the fixing frame is mounted on a frame of the mask machine, the sliding block 74 is movably mounted on the fixing frame, the adjusting screw 75 is rotatably mounted on one side of the fixing frame and is in threaded connection with the sliding block 74, the power roller 71 and the knife roller 72 are both mounted on the sliding block 74, and when the adjusting screw 75 is rotated, the position of the sliding block 74 can be changed, so that the positions of the power roller 71 and the knife roller 72 can be indirectly adjusted, so as to adjust the tightness of the transmission of the nose bridge and adjust the tension of the nose bridge. The nose bridge strip firstly enters the limiting seat 76, one end of the limiting seat 76 is provided with a side opening 761 for the nose bridge strip to penetrate, the top end of the limiting seat 76 is provided with an upper opening 762, and the power roller 71 extends into the upper opening 762 and conveys the nose bridge strip forwards through friction force when rotating. The nose bridge line transmission surface of the nose bridge strip feeding mechanism 7 is parallel to the horizontal plane and is basically parallel to the first transmission surface 101, so that the nose bridge line can be conveniently and smoothly guided into the cloth.
Preferably, as shown in fig. 4 and 9, the mask machine of this embodiment, the pressing assembly 8 includes a welding roller 81, the welding roller 81 is located behind the horizontal portion 611 of the cloth flanging mechanism along the cloth conveying direction, a plurality of welding teeth arranged along the circumferential direction are protruded on the edge of the welding roller 81, and the flanging portion is shaped by heating the welding teeth and pressing the welding teeth on the flanging portions at both sides of the cloth.
Preferably, all the transfer rollers 31 of this embodiment can be adjusted in height to adjust the tightness of the cloth.
In light of the foregoing description of the preferred embodiments according to the present application, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. A cloth conveying flanging mechanism, which is characterized in that,
the method comprises the following steps: the conveying limiting assembly, the flanging assembly (6) and the pressing assembly (8);
the transmission limiting assembly is used for conveying cloth;
the turn-up assembly (6) comprises: the cloth conveying device comprises a turning part and a turning part, wherein the turning part is used for being matched with a conveying limiting assembly to turn the cloth to form a first conveying surface (101) and a second conveying surface (102), the included angle between the first conveying surface (101) and the second conveying surface (102) is 50-130 degrees, and the turning part is used for turning the cloth from the edge of the cloth to the middle of the connecting part of the first conveying surface (101) and the second conveying surface (102);
the pressing component (8) is arranged at the rear end of the flanging component (6) and is used for applying pressure to the flanged cloth;
the flanging assembly comprises a flanging baffle (61), the flanging baffle (61) comprises a horizontal part (611) and a vertical part (612) which are perpendicular to each other, and a turning part is formed at the joint of the horizontal part (611) and the vertical part (612);
one side or two sides of the horizontal part (611) are provided with a flap extending towards the middle part of the horizontal part (611) to form a turnover part, a gap for cloth to pass through is arranged between the flap and the horizontal part (611), and the front end of the flap is provided with an action edge for applying pressure to the cloth to turn over the edge of the cloth;
the flap comprises a first flap (6111) and a second flap (6112), and the first flap (6111) and the second flap (6112) are respectively positioned at two sides of the horizontal part (611);
the projection of the action edge of the first flap (6111) on the horizontal part (611) and the connection part of the horizontal part (611) and the vertical part (612) form an included angle alpha of 30-60 degrees; the projection of the action edge of the second flap (6112) on the horizontal part (611) and the connection of the horizontal part (611) and the vertical part (612) form an included angle beta of 35-65 degrees, and beta is larger than alpha.
2. Cloth transfer flanging mechanism according to claim 1, characterized in that the flaps are arc-shaped plates, and the angle formed by the tangent line of any point on an arc-shaped plate and the horizontal part (611) decreases with the distance from the point to the horizontal part (611).
3. The cloth conveying and flanging mechanism according to claim 2, wherein the included angle formed by the tangent line of any point on the arc-shaped plate and the horizontal part (611) is not more than 45 °.
4. The cloth conveying and flanging mechanism of claim 3, wherein the action edge of the folded plate for folding the cloth is an arc-shaped edge.
5. A mask machine, comprising:
the cloth storage mechanism (1) is used for storing cloth;
a nose bridge strip storage mechanism (2) for storing a nose bridge strip;
the cloth stacking mechanism (4) is used for extracting cloth from the cloth storage mechanism (1) and stacking the cloth together;
the cloth folding mechanism (5) is used for folding the stacked cloth into a wrinkle part;
the cloth flanging mechanism is the cloth conveying flanging mechanism in any one of claims 1-4;
and the nose bridge strip feeding mechanism (7) is used for extracting the nose bridge strips from the nose bridge strip storage mechanism (2) and transmitting the nose bridge strips to the cloth flanging mechanism.
6. Mask machine according to claim 5, characterized in that the nose bridge strip feeding mechanism (7) comprises a power roller (71) for conveying the nose bridge strip, a cutter roller (72) for cutting the nose bridge strip and a nose bridge strip guide (73) for guiding the cut nose bridge strip onto the folded cloth.
7. Mask machine according to claim 6, characterized in that said nose bridge bar guide (73) is a hollow cylinder, the end of which protrudes into the gap between said second flap (6112) and said horizontal portion (611).
8. Mask machine according to claim 6, characterized in that the nose bridge bar guide (73) is adapted to receive the end of the nose bridge bar with a larger opening than the one end of the output nose bridge bar.
9. Mask machine according to claim 6, characterized in that the nose bridge line delivery plane of the nose bridge strip feeding mechanism (7) is parallel to the horizontal plane.
Priority Applications (1)
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| CN112046028A (en) * | 2020-10-12 | 2020-12-08 | 福建永信数控科技股份有限公司 | Folding and gathering device of mask cloth, cloth loading method and method for manufacturing mask |
| CN112388937B (en) * | 2020-10-26 | 2022-09-27 | 重庆鸽牌电线电缆有限公司 | Manufacturing process of double-core mask wire |
| CN112811217A (en) * | 2021-01-30 | 2021-05-18 | 江苏省普菲柯医疗器械总厂 | Gauze mask machine assembly composite set |
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