CN214594308U - Edge covering device for mask - Google Patents

Abstract

The utility model provides a device of borduring of gauze mask, including a conveying mechanism, a guide plate, a plurality of rotation wheel and a butt fusion mechanism. The rotating wheels and the guide plate are arranged at the upstream position of the conveying mechanism, the mask body connected with the ear belts can be conveyed to the conveying mechanism, the edge covering materials are conveyed to the two sides of the mask body and then conveyed to the welding mechanism to be welded and fixed on the two sides of the mask body, and the rollers of the welding mechanism are provided with cutting edges for cutting off the edge covering materials. Therefore, the utility model provides a device of borduring of gauze mask enables the quick shaping of borduring on the gauze mask, makes gauze mask production speed and yield promote.

Description

Edge covering device for mask

Technical Field

The utility model relates to a device of borduring especially relates to a device of borduring of gauze mask.

Background

The gauze mask is used for protecting human respiratory and avoids the pollution sources in environments such as waste gas, dust, germ, and current gauze mask is mostly made with automatic machine equipment, and the gauze mask roughly contains gauze mask body and both ears area, and both ears area is connected in the both sides of gauze mask body, also can further bordure in the both sides of gauze mask body, makes the ear area more firm, and difficult fracture does not have deckle edge to scrape the thorn and feels. However, the edge covering mode of the existing mask mostly adopts the reciprocating motion of the air cylinder, which is very complex, the generated noise and the service life of the mechanism are shortened, a large amount of electric power and air pressure sources are wasted, and the production speed and the yield of the mask are difficult to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that, not enough to prior art provides a device of borduring of gauze mask, enables the quick shaping of borduring on the gauze mask, makes gauze mask production speed and yield promote.

In order to solve the technical problem, the utility model provides a device of borduring of gauze mask, include: the conveying mechanism is provided with a plurality of bearing seats, the bearing seats can be used for placing the mask bodies connected with the ear belts respectively, and the bearing seats can drive the mask bodies connected with the ear belts to move forward along a conveying direction; a guide plate; the rotating wheels can drive the rotating wheels to rotate, the rotating wheels are at least arranged above the guide plate, the rotating wheels and the guide plate are arranged at the upstream position of the conveying mechanism, and the guide plate can guide the mask body connected with the ear straps and is matched with the rotating wheels to drive the mask body connected with the ear straps to be conveyed to the conveying mechanism, so that the mask body connected with the ear straps sequentially falls on the bearing seat; the two edge wrapping belt winding wheels are respectively provided with an edge wrapping material, the two edge wrapping materials can be conveyed to the peripheries of the two sides of the mask body, the two edge wrapping materials are also wrapped at the joint of the ear belt and the mask body, and the two edge wrapping materials are conveyed forwards along with the mask body; and the welding mechanism is close to the conveying mechanism and comprises two welding units, the two welding units correspond to the two edge covering materials respectively, the two edge covering materials can be welded and fixed on the two sides of the mask body, the two edge covering materials can be cut off by the welding mechanism, the two edge covering materials are fixedly coated on the peripheries of the two sides of the mask body, and the edge covering materials are also fixedly coated on the ear bands and the joint of the mask body.

Preferably, each welding unit comprises a welding device and a welding wheel, the outer edge of the welding wheel is provided with a net-shaped wheel surface, the outer edge of the welding wheel is provided with at least one cutting edge, the welding wheel can be driven to rotate, so that the edge covering material positioned between the welding device and the welding wheel is welded and fixed on the mask body, and the edge covering material can be cut off by the cutting edge.

Preferably, the outer edge of each welding wheel is provided with a plurality of cutting edges which are arranged at intervals on the outer edge of the welding wheel.

Preferably, the cutting edge is a U-shaped groove.

Preferably, the cutting knife notch is arranged on the outer edge of the welding wheel, so that the outer edge of the welding wheel forms a disconnected shape at the cutting knife edge.

Preferably, the guide plate includes a first section and a second section, both of which are inclined, the second section is connected to a downstream position of the first section, the first section is inclined to be gradually raised toward the conveying direction, and the second section is inclined to be gradually lowered toward the conveying direction.

Preferably, the number of the rotating wheels is at least four, two of the rotating wheels are respectively arranged above the first section and the second section, and the other two rotating wheels are respectively arranged above and below the joint of the first section and the second section.

Preferably, the carrying seat comprises a bottom plate and two end plates, the two end plates are respectively connected with and erected at two ends of the bottom plate, and the mask body can be placed on the bottom plate and positioned between the two end plates.

Preferably, the length of each bearing seat is smaller than that of each mask body, and two sides of each mask body can extend out of the bearing seats.

The beneficial effects of the utility model reside in that, the utility model provides a device of borduring of gauze mask, including a conveying mechanism, a guide plate, a plurality of rotation wheel and a butt fusion mechanism. The rotating wheel and the guide plate are arranged at the upstream position of the conveying mechanism, can convey the mask body connected with the ear belt to the conveying mechanism, convey the edge covering material to the two sides of the mask body, convey the edge covering material to the welding mechanism to weld and fix the edge covering material to the two sides of the mask body, and are provided with cutting edges on the rollers of the welding mechanism for cutting off the edge covering material. Therefore, the utility model discloses enable the quick connection of borduring on the gauze mask, make gauze mask production speed and yield promote.

For a further understanding of the features and technical content of the present invention, reference should be made to the following detailed description of the invention and accompanying drawings, which are provided for reference and illustration purposes only and are not intended to limit the invention.

Drawings

Fig. 1 is a perspective view of the edge covering device, the ear band forming and welding device and the front section machine of the mask of the present invention.

Fig. 2 is a perspective view of the edge covering device and the ear band forming and welding device of the mask of the present invention.

Fig. 3 is a perspective view of the cam mechanism of the present invention.

Fig. 4 is a second perspective view of the cam mechanism of the present invention.

Fig. 5 is a perspective view of the cutting mechanism of the present invention.

Fig. 6 is a perspective view of the belt folding mechanism of the present invention.

Fig. 7 is a perspective view of the welding mechanism of the present invention.

Fig. 8 is a perspective view of the welding mechanism of the present invention.

Fig. 9 is a perspective view of the linear cam of the present invention.

Detailed Description

[ examples ]

Please refer to fig. 1, the utility model provides a device of borduring of gauze mask, the upstream position of the device of should borduring can set up a anterior segment machine 100, this anterior segment machine 100 has a first roller train 101, a second roller train 102 and a third roller train 103, install respectively on this first roller train 101, second roller train 102 and the third roller train 103 and can be as the mask material of close skin layer, intermediate level and waterproof layer, this mask material passes through an umbrella wheel 104 and a type board 105 in proper order, this umbrella wheel 104 can roll out multichannel crease on this mask material, rethread this type board 105 is stereotyped, make and to shape on this mask material and have multichannel crease. Then, a nose bridge batten is conveyed to one side of the mask material through a batten roller group 106, the mask material is jointed through an ultrasonic jointing unit 107, and then the mask material is cut through a cutter wheel group 108 to manufacture a mask body, so that the mask body is conveyed to a rear-end machine 200 to perform operations such as ear band forming welding and edge covering.

Referring to fig. 1 to 7, an ear band forming and welding device, which is one of the devices of the back-end machine 200, may be further disposed at an upstream position of the edge covering device, and the ear band forming and welding device includes a conveying mechanism (first conveying mechanism) 1, a cam mechanism 2, a cutting mechanism 3, a plurality of band folding mechanisms 4, and a welding mechanism 5.

The conveying mechanism 1 may be a conveying belt mechanism, a plurality of bearing seats (first bearing seats) 11 are arranged on the conveying mechanism 1, the bearing seats 11 are arranged at intervals, and a mask body a can be respectively placed on the bearing seats 11 to drive the mask body a to move forward along a conveying direction D. Each carrying seat 11 has two fixing members 12 and two clamping members 13, the two fixing members 12 are close to two sides of the carrying seat 11, each fixing member 12 has a first edge 121 and two second edges 122, the first edge 121 extends along the conveying direction D, the two second edges 122 are respectively connected to two ends of the first edge 121, the two second edges 122 can be perpendicular to the first edge 121, and two ear bands B (in a long continuous shape) are respectively placed on the carrying seat 11 and can be reliably placed on the first edge 121 of the fixing member 12. The two clamping pieces 13 are movably arranged between the two fixing pieces 12, the two clamping pieces 13 can be driven by the cam mechanism 2 to move towards (outwards) or reversely (inwards) the two fixing pieces 12 so as to clamp or release the two ear belts B, and when the two clamping pieces 13 move towards the two fixing pieces 12, the two ear belts B can be clamped between the two clamping pieces 13 and the first edges 121 of the two fixing pieces 12, so that the mask body a and the two ear belts B can be driven by the conveying mechanism 1 to advance so as to be conveyed to the work stations such as the cutting mechanism 3 and the welding mechanism 5 in sequence.

The cam mechanism 2 uses a linear cam to push the clamping member 13 to perform clamping and releasing actions, so as to clamp the ear belt B, and the ear belt B is conveyed to the cutting mechanism 3 to be cut into a predetermined length. The cam mechanism 2 has a linear cam 21, the linear cam 21 is fixedly disposed on the conveying mechanism 1, the linear cam 21 has a first cam portion 211 and a second cam portion 212 (as shown in fig. 9), the first cam portion 211 and the second cam portion 212 can be respectively formed on the upper half portion and the lower half portion of the linear cam 21, the first cam portion 211 and the second cam portion 212 extend along the conveying direction D, and symmetrical cam surfaces 213 and 214 are formed on both sides. The first cam portion 211 can be used to drive the clamping member 13 to clamp or release the ear band B, and the second cam portion 212 can be used to drive the band folding mechanism 4 to fold the band.

Specifically, the two clamping members 13 of each carrying seat 11 are respectively connected to a first roller 131 (as shown in fig. 3 and 4), and the first rollers 131 connected to the two clamping members 13 respectively contact both sides (cam surfaces) of the first cam portion 211, so that the first cam portion 211 can be used to push the two first rollers 131 to move inward and outward, so that the two first rollers 131 can link the two clamping members 13 to move toward (outward) or reverse (inward) the two fixing members 12 to clamp or release the two ear straps B, so that the two ear straps B can be clamped between the two clamping members 13 and the first sides 121 of the two fixing members 12, and the two ear straps B can be driven by the conveying mechanism 1 to move forward.

The cutting mechanism 3 is provided adjacent to the conveying mechanism 1 and can cut the long continuous ear band B into a predetermined length. The cutting mechanism 3 includes two cutting units 31, the two cutting units 31 are arranged at intervals, and the two cutting units 31 correspond to the two ear bands B respectively. Each cutting unit 31 may include a cutter wheel 311 and a chopping block wheel 312, the cutter wheel 311 and the chopping block wheel 312 are disposed opposite to each other, the cutter wheel 311 has a plurality of cutters 313, the cutters 313 are disposed at intervals on the outer edge of the cutter wheel 311, the chopping block wheel 312 has a plurality of protrusions 314, the protrusions 314 are disposed at intervals on the outer edge of the chopping block wheel 312, the cutter wheel 311 and the chopping block wheel 312 can be driven by a power source such as a motor (not shown), etc. to rotate, so as to cut two ear bands B between the cutter wheel 311 and the chopping block wheel 312 into predetermined lengths, and then the ear bands B are conveyed to the band folding mechanism 4. The knife 313 of the knife wheel 311 can contact the convex body 314 of the anvil wheel 312, so that the knife 313 can smoothly cut the ear belt B.

The band folding mechanisms 4 are respectively disposed on the bearing seat 11, each band folding mechanism 4 includes two first band folding members 41 and two second band folding members 42, the two first band folding members 41 and the two second band folding members 42 are movably disposed on the bearing seat 11, the second cam portion 212 can drive the first band folding members 41 and the second band folding members 42 to move, so that the first band folding members 41 and the second band folding members 42 can move perpendicular to the conveying direction D, the first band folding members 41 and the second band folding members 42 can move toward the ear band B, and both ends of the ear band B are pushed to bend, so that the ear band B cut to a predetermined length can be bent to a U shape. In this embodiment, the carrying base 11 is respectively provided with a plurality of sliding slots 14, the extending direction of the sliding slots 14 is perpendicular to the conveying direction D, the first folding strip 41 and the second folding strip 42 are respectively in sliding fit with the sliding slots 14, and the sliding slots 14 can be used to guide the first folding strip 41 and the second folding strip 42 to move smoothly.

The first folding band 41 and the second folding band 42 are respectively connected to a second roller 44 through a connecting rod set 43 (as shown in fig. 4), the second roller 44 respectively contacts with two sides (cam surfaces) of the second cam portion 212, so that the second cam portion 212 can be used to push the second roller 44 to move inward and outward, so that the second roller 44 can respectively drive the first folding band 41 and the second folding band 42 to move toward (outward) or reverse (inward) the two fixing members 12 through the connecting rod set 43, so as to perform the bending action of the ear band B, that is, the two first folding bands 41 can be used to push one end of the ear band B to bend, and then the two second folding bands 42 can be used to push the other end of the ear band B to bend, so that the ear band B can be bent into a U shape, and the two ends of the ear band B can respectively lean against the two second edges 122 of the fixing members 12.

The welding mechanism 5 is close to the conveying mechanism 1 and can be used for welding and fixing the ear band B which is cut into a preset length and is bent on the mask body A. The welding mechanism 5 includes two welding units 51, the two welding units 51 are arranged at intervals, and the two welding units 51 correspond to the two ear bands B, respectively. Each welding unit 51 may include a welding device (ultrasonic welding machine) 511 and a welding wheel (first welding wheel) 512, the welding wheel 512 has a plurality of net-shaped protrusions 513, the net-shaped protrusions 513 are disposed at intervals and protrude out of the outer edge of the welding wheel 512, the welding wheel 512 can be driven by a power source such as a motor (not shown) to rotate, and the two ends of the ear band B between the welding device 511 and the welding wheel 512 are sequentially welded and fixed to the mask body a, that is, the two ends of the two ear bands B can respectively abut against the two welding devices 511 by the two net-shaped protrusions 513 of the two welding wheels 512, so as to be welded and fixed to the two sides of the mask body a. After the two ear straps B are welded and fixed to the mask body a, the cam mechanism 2 can push the clamping member 13 to release the ear straps B.

In addition, referring to fig. 1, fig. 2 and fig. 8, the edge covering device of the mask of the present invention may be disposed at a downstream position of the ear band forming and welding device, and the edge covering device of the mask includes a conveying mechanism (second conveying mechanism) 6, a guiding plate 7, a plurality of rotating wheels 8 and a welding mechanism 9.

The conveying mechanism 6 can be a conveying belt mechanism, and the conveying mechanism 6 is also provided with a plurality of bearing seats (second bearing seats) 61, the bearing seats 61 are arranged at intervals, and the bearing seats 61 can be used for respectively placing the mask bodies a connected with the ear belts B, so that the mask bodies a connected with the ear belts B can be conveyed forwards. Bear the length of seat 61 and be less than the length of gauze mask body A for when gauze mask body A placed and bear seat 61, the both sides of gauze mask body A can stretch out and bear seat 61, so that do benefit to two bound materials C of cladding and butt fusion. In this embodiment, the carrying seats 61 each include a bottom plate 611 and two end plates 612, the two end plates 612 are respectively connected to and erected at two ends of the bottom plate 611, and the mask body a can be placed on the bottom plate 611 and positioned between the two end plates 612.

The rotating wheel 8 can be driven by a proper power source to rotate, the rotating wheel 8 is arranged above the guide plate 7, the rotating wheel 8 and the guide plate 7 are arranged at the upstream position of the conveying mechanism 6, the guide plate 7 can guide the mask body A connected with the ear strap B, and the rotating wheel 8 is matched with the mask body A connected with the ear strap B to drive the mask body A connected with the ear strap B to be conveyed to the conveying mechanism 6, so that the mask body A connected with the ear strap B sequentially falls on the bearing seat 61.

In this embodiment, the guiding plate 7 includes a first section 71 and a second section 72, both the first section 71 and the second section 72 are inclined, the second section 72 is connected to a downstream position of the first section 71, the first section 71 is inclined to gradually rise toward the conveying direction D, and the second section 72 is inclined to gradually fall toward the conveying direction D. Preferably, there are at least four rotating wheels 8, two of the rotating wheels 8 are respectively disposed above the first section 71 and the second section 72, and the other two rotating wheels 8 are respectively disposed above and below the joint of the first section 71 and the second section 72. The rotating wheel 8 can sequentially drive the mask body A connected with the ear belt B to convey forwards.

The mask body a to which the ear band B is connected is placed on the carrying seat 61, and two wrapping materials C (long continuous shape) wound around the two wrapping band rollers 10 can be conveyed to the peripheries of the two sides of the mask body a by other conveying mechanisms, so that the two wrapping materials C are wrapped on the peripheries of the two sides of the mask body a, and the wrapping materials C are wrapped on the joint of the ear band B and the mask body a, and can be conveyed forwards along with the mask body a.

The welding mechanism 9 is close to the conveying mechanism 6, and can weld and fix the edge covering material C on two sides of the mask body A. The welding mechanism 9 includes two welding units 91, the two welding units 91 are disposed at intervals, the two welding units 91 respectively correspond to the two edge-covering materials C, each welding unit 91 may include a welding device (ultrasonic welding machine) 911 and a welding wheel (second welding wheel) 912, the outer edge of the welding wheel 912 has a mesh wheel surface 913, and the outer edge of the welding wheel 912 has at least one cutting edge 914, preferably, the outer edge of each welding wheel 912 has a plurality of cutting edges 914, the cutting edges 914 are disposed at intervals on the outer edge of the welding wheel 912, the outer edge of each welding wheel 912 may have two, three, four, etc. cutting edges 914, and the number of the cutting edges 914 is not limited. The cutting edge 914 is recessed from the outer edge of the welding wheel 912, so that the outer edge of the welding wheel 912 is broken at the cutting edge 914, and the cutting edge 914 may be a U-shaped groove, but not limited thereto. The welding wheel 912 can be driven by a power source such as a motor (not shown) to rotate, so that the edge wrapping material C between the welding device 911 and the welding wheel 912 is welded and fixed on the mask body A, the edge wrapping material C can be cut off by the cutting edge 914, the two edge wrapping materials C are fixedly wrapped on the peripheries of the two sides of the mask body A, and the edge wrapping material C is also fixedly wrapped on the joint of the ear band B and the mask body A, so that the mask with the edge wrapping is manufactured.

[ advantageous effects of the embodiments ]

The beneficial effects of the utility model reside in that, the utility model provides a device of borduring of gauze mask, including a conveying mechanism, a guide plate, a plurality of rotation wheel and a butt fusion mechanism. The rotating wheel and the guide plate are arranged at the upstream position of the conveying mechanism, can convey the mask body connected with the ear belt to the conveying mechanism, convey the edge covering material to the two sides of the mask body, convey the edge covering material to the welding mechanism to weld and fix the edge covering material to the two sides of the mask body, and are provided with cutting edges on the rollers of the welding mechanism for cutting off the edge covering material. Therefore, the utility model discloses enable the quick connection of borduring on the gauze mask, make gauze mask production speed and yield promote.

However, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, so that all equivalent changes made by applying the contents of the specification and the drawings of the present invention are included in the scope of the present invention, and the description is given.

Claims (9)

1. The utility model provides a device of borduring of gauze mask which characterized in that includes:

the conveying mechanism is provided with a plurality of bearing seats, the plurality of bearing seats can be used for placing the mask body connected with the ear belts respectively, and the plurality of bearing seats can drive the mask body connected with the ear belts to move forward along a conveying direction;

a guide plate;

the rotating wheels can drive the rotating wheels to rotate, the rotating wheels are at least arranged above the guide plate, the rotating wheels and the guide plate are arranged at the upstream position of the conveying mechanism, the guide plate can guide the mask body connected with the ear straps and is matched with the rotating wheels to drive the mask body connected with the ear straps to be conveyed to the conveying mechanism, and the mask body connected with the ear straps is enabled to sequentially fall on the bearing seats;

the two edge covering belt winding wheels are respectively provided with an edge covering material, the two edge covering materials can be conveyed to the peripheries of the two sides of the mask body, the two edge covering materials are covered at the joint of the ear belt and the mask body, and the two edge covering materials are conveyed forwards along with the mask body; and

a butt fusion mechanism, butt fusion mechanism is close to conveying mechanism, butt fusion mechanism contains two butt fusion units, two butt fusion units respectively with two material of borduring are corresponding, can with two material butt fusions of borduring are fixed in the both sides of gauze mask body, just two material of borduring can utilize butt fusion mechanism cuts off, makes two fixed claddings of material of borduring in the both sides of gauze mask body are peripheral, just the fixed cladding of material of borduring in the ear zone reaches the junction of gauze mask body.

2. The mask edge-covering device according to claim 1, wherein each welding unit comprises a welding device and a welding wheel, the outer edge of the welding wheel has a mesh wheel surface, and the outer edge of the welding wheel has at least one cutting edge, the welding wheel can be driven to rotate, so that the edge-covering material between the welding device and the welding wheel can be welded and fixed on the mask body, and the edge-covering material can be cut by the cutting edge.

3. A device for wrapping a mask according to claim 2, wherein a plurality of said cutting edges are provided on the outer edge of each of said welding wheels, and said plurality of cutting edges are provided at intervals on the outer edge of said welding wheels.

4. A hemming device for mask according to claim 2 wherein the cutting edge is a U-shaped groove.

5. A device for wrapping a mask according to claim 2, wherein the cutting edge is recessed in the outer edge of the welding wheel so that the outer edge of the welding wheel is cut off at the cutting edge.

6. A mask hemming device according to claim 1 wherein the guide plate includes a first section and a second section, both of the first section and the second section are inclined, the second section is connected to a downstream position of the first section, the first section is inclined to be gradually raised toward the carrying direction, and the second section is inclined to be gradually lowered toward the carrying direction.

7. A mask edge covering device according to claim 6, wherein the number of the plurality of rotating wheels is at least four, two of the plurality of rotating wheels are respectively disposed above the first section and the second section, and the other two of the plurality of rotating wheels are respectively disposed above and below a joint of the first section and the second section.

8. The device for covering edges of a mask according to claim 1, wherein each of the plurality of supporting bases comprises a bottom plate and two end plates, the two end plates are connected to and erected on two ends of the bottom plate, respectively, and the mask body can be placed on the bottom plate and positioned between the two end plates.

9. A hemming device for mask according to claim 1 wherein each of the carrying seats has a length less than that of each of the mask bodies, and both sides of the mask body can be extended from the carrying seats.

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