CN214605990U - Ear belt forming and welding device for mask - Google Patents
Ear belt forming and welding device for mask Download PDFInfo
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- CN214605990U CN214605990U CN202120123345.1U CN202120123345U CN214605990U CN 214605990 U CN214605990 U CN 214605990U CN 202120123345 U CN202120123345 U CN 202120123345U CN 214605990 U CN214605990 U CN 214605990U
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- 238000003466 welding Methods 0.000 title claims abstract description 95
- 230000007246 mechanism Effects 0.000 claims abstract description 95
- 238000005520 cutting process Methods 0.000 claims abstract description 28
- 238000007493 shaping process Methods 0.000 claims abstract description 13
- 230000004927 fusion Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 16
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003578 releasing effect Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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Abstract
The utility model provides an ear area shaping welding set of gauze mask, including a conveying mechanism, a cam mechanism, a cutting mechanism, a plurality of book tape unit construct and a welding mechanism. The mask body and the ear belts can be placed on the conveying mechanism to be conveyed and advanced, the cam mechanism pushes the clamping piece to perform clamping action by the linear cam so as to clamp the ear belts, the ear belts are conveyed to the cutting mechanism to be cut into preset length, then the linear cam pushes the belt folding pieces of the belt folding mechanism, the belt folding pieces are bent to form the ear belts, and then the ear belts are conveyed to the welding mechanism to be welded and fixed on the mask body. Therefore, the ear belt can be rapidly formed on the mask, and the production speed and yield of the mask are improved.
Description
Technical Field
The utility model relates to a shaping welding set especially relates to an ear area shaping welding set of gauze mask.
Background
The gauze mask is used for protecting human respiratory to avoid in the pollution sources in the environment such as waste gas, dust, germ, current gauze mask is mostly made with automatic machine equipment, the gauze mask roughly contains gauze mask body and two ear areas, two ear areas must connect in the both sides of gauze mask body, however current ear area shaping and connected mode adopt cylinder or motor reciprocating motion very complicacy more, produce the noise and shorten with the mechanism life-span, extravagant a large amount of electric power and pneumatic source, make gauze mask production speed and yield be difficult to promote.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that, not enough to prior art provides an ear area shaping welding set of gauze mask, enables the quick shaping in ear area on the gauze mask, makes gauze mask production speed and yield promote.
In order to solve the technical problem, the utility model provides an ear area shaping welding set of gauze mask, include: the conveying mechanism is provided with a plurality of bearing seats, the bearing seats can be used for respectively placing a mask body, the bearing seats can drive the mask bodies to move forward along a conveying direction, two ear belts can be placed on the bearing seats, the two ear belts are in a long and continuous shape, each bearing seat is provided with two fixing pieces and two clamping pieces, the two clamping pieces are movably arranged between the two fixing pieces, and the two clamping pieces can move towards or reverse to the directions of the two fixing pieces; the cam mechanism is provided with a linear cam, the linear cam is provided with a first cam part and a second cam part, the first cam part and the second cam part extend along the conveying direction, and the first cam part can drive the two clamping pieces to move towards or opposite to the directions of the two fixing pieces so as to clamp or release the two ear belts; the cutting mechanism is close to the conveying mechanism and comprises two cutting units, and the two cutting units correspond to the two ear belts respectively and can be used for cutting the two long continuous ear belts into preset lengths; the ear band folding device comprises a plurality of bearing seats, a plurality of band folding mechanisms and a plurality of cam parts, wherein the plurality of band folding mechanisms are respectively arranged on the bearing seats, each band folding mechanism comprises two first band folding parts and two second band folding parts, the two first band folding parts and the two second band folding parts are movably arranged on the bearing seats, and the second cam parts can drive the two first band folding parts and the two second band folding parts to move towards the ear band and push the two ends of the ear band to be bent; and the welding mechanism is close to the conveying mechanism, the welding mechanism comprises two welding units, the two welding units are respectively corresponding to the ear belts, and the two welding units can be used for fixing the two ends of the ear belts to the mask body in a welded mode.
Preferably, the two fixing members of the carrying seat are close to two sides of the carrying seat, each of the fixing members has a first edge and two second edges, the first edge extends along the conveying direction, the two second edges are respectively connected to two ends of the first edge, the two ear belts can be placed on the first edges of the two fixing members, and when the two clamping members of each carrying seat move towards the two fixing members, the two ear belts can be clamped between the two clamping members and the first edges of the two fixing members.
Preferably, the two second edges of each of the fixing members are perpendicular to the first edge.
Preferably, the first cam portion and the second cam portion are respectively formed on an upper half portion and a lower half portion of the linear cam, and the first cam portion and the second cam portion are respectively formed with symmetrical cam surfaces on both sides.
Preferably, the two clamping members of each of the bearing seats are respectively connected to a first roller, and the first rollers connected to the two clamping members respectively contact two sides of the first cam portion, so that the first cam portion can push the first rollers to move inward and outward, and the two clamping members are linked to move toward or opposite to the two fixing members.
Preferably, each cutting unit includes a cutter wheel and a chopping block wheel, the cutter wheel and the chopping block wheel are arranged oppositely, the cutter wheel has a plurality of cutters, the plurality of cutters are arranged at the outer edge of the cutter wheel at intervals, the chopping block wheel has a plurality of protrusions, the plurality of protrusions are arranged at the outer edge of the chopping block wheel at intervals, the cutter wheel and the chopping block wheel can be driven to rotate, and ear bands between the cutter wheel and the chopping block wheel are cut into preset lengths.
Preferably, the two first folding band elements and the two second folding band elements are respectively connected with a second roller through a connecting rod group, the second rollers are respectively contacted with two sides of the second cam portion, the second cam portion can push the second rollers to move inwards and outwards, the second rollers can respectively drive the two first folding band elements and the two second folding band elements to move towards or reverse to the direction of the fixing element through the connecting rod group, the first folding band elements can push one end of the ear band to bend, and the second folding band elements can push the other end of the ear band to bend.
Preferably, each welding unit comprises a welding device and a welding wheel, the welding wheel is provided with a plurality of netted bulges, the netted bulges are arranged at intervals and protrude out of the outer edge of the welding wheel, the welding wheel can be driven to rotate, the netted bulges of the welding wheel are abutted against the welding device, and the two ends of the ear belt are welded and fixed on the mask body.
Preferably, the plurality of bearing seats are respectively provided with a plurality of sliding grooves, the extending direction of the plurality of sliding grooves is perpendicular to the conveying direction, and the two first folding belt members and the two second folding belt members are respectively in sliding fit with the plurality of sliding grooves.
The beneficial effects of the utility model reside in that, the utility model provides an ear area shaping welding set of gauze mask, including a conveying mechanism, a cam mechanism, a cutting mechanism, a plurality of book tape unit structure and a welding mechanism. The mask body and the ear belts can be placed on a bearing seat of the conveying mechanism to be conveyed and advance, the cam mechanism pushes the clamping piece to perform clamping action by the linear cam so as to clamp the ear belts, the ear belts are conveyed to the cutting mechanism to be cut into preset lengths, then the linear cam pushes the belt folding piece of the belt folding mechanism, the belt folding piece bends the ear belts, and the ear belts are conveyed to the welding mechanism to be welded and fixed on the mask body. Therefore, the utility model discloses enable the quick shaping in gauze mask of ear area, 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 ear band forming and welding device, the edge covering device and the front section machine of the mask of the present invention.
Fig. 2 is a perspective view of the ear band forming and welding device and the edge covering 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 an ear strap forming and welding device of gauze mask, the upstream position of this ear strap forming and welding device 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, this first roller train 101, install respectively on 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 a plurality of gauze mask materials are according to the preface through an umbrella type wheel 104 and a type board 105, this umbrella type wheel 104 can roll out multichannel crease on these a plurality of gauze mask materials, rethread this type board 105 is stereotyped, make and to form multichannel crease on these a plurality of gauze mask materials. Then, a nose bridge batten is conveyed to one side of the plurality of mask materials through a batten roller set 106, the plurality of mask materials are jointed through an ultrasonic jointing unit 107, and then the plurality of mask materials are cut through a cutter roller set 108, so that the mask body is manufactured, and the plurality of mask bodies are further conveyed to a rear-end machine 200 to be subjected to operations such as ear band forming welding and edge wrapping.
Referring to fig. 1 to 7, the ear band forming and welding device is one of the apparatuses of the back end machine 200, and 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 can be a conveying belt mechanism, a plurality of bearing seats (first bearing seats) 11 are arranged on the conveying mechanism 1, the plurality of bearing seats 11 are arranged at intervals, and a plurality of bearing seats 11 can be respectively used for placing a mask body A so as to drive the plurality of mask bodies A to advance 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 plurality of carrying seats 11 and can be reliably placed on the first edges 121 of the plurality of fixing members 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 further cut two ear bands B between the cutter wheel 311 and the chopping block wheel 312 into a predetermined length, 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 plurality of band folding mechanisms 4 are respectively arranged on the plurality of bearing seats 11, each band folding mechanism 4 comprises two first band folding pieces 41 and two second band folding pieces 42, the two first band folding pieces 41 and the two second band folding pieces 42 are movably arranged on the bearing seat 11, the second cam portion 212 can drive the first band folding pieces 41 and the second band folding pieces 42 to move, so that the first band folding pieces 41 and the second band folding pieces 42 can move perpendicular to the conveying direction D, the first band folding pieces 41 and the second band folding pieces 42 can move towards the ear bands B, and the two ends of the ear bands B are pushed to bend, so that the ear bands B cut into preset lengths can be bent into U-shaped bands. In this embodiment, the plurality of sliding slots 14 are respectively disposed on the plurality of bearing seats 11, the extending direction of the plurality of 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 plurality of sliding slots 14, and the plurality of sliding slots 14 can be utilized 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, i.e., 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, and thus are 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, a mask edge covering device may be further disposed at a downstream position of the ear band forming and welding device, and the mask edge covering device 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 may be a conveying belt mechanism, and the conveying mechanism 6 is also provided with a plurality of carrying seats (second carrying seats) 61, the carrying seats 61 are arranged at intervals, and the carrying seats 61 can be used for respectively placing the mask body a connected with the ear belt B, so that the mask body a connected with the ear belt B can be conveyed forwards.
The rotating wheels 8 can be driven to rotate by a proper power source, the rotating wheels 8 are at least arranged above the guide plate 7, the rotating wheels 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 belt B, and the rotating wheels 8 are matched with the mask body A connected with the ear belt B to drive the mask body A to be conveyed to the conveying mechanism 6, so that the mask bodies A connected with the ear belt B sequentially fall on the bearing seats 61.
The mask bodies a connected with the ear bands B are respectively placed on the bearing seats 61, two edge covering materials C (strip continuous shapes) wound on the two edge covering band rolling wheels 10 can be conveyed to the peripheries of the two sides of the mask body a by other conveying mechanisms, the edge covering materials C are also covered at the joints of the ear bands B and the mask body a, and the edge covering materials C 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 arranged at intervals, the two welding units 91 respectively correspond to the two edge covering materials C, each welding unit 91 can 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 net-shaped wheel surface 913, the outer edge of the welding wheel 912 has at least one cutting edge 914, the welding wheel 912 can be driven by a power source such as a motor (not shown) to rotate, so that the edge covering material C between the welding device 911 and the welding wheel 912 is welded and fixed on the mask body a, the edge covering material C can be cut off by the cutting edge 914, the two edge covering materials C are fixedly covered on the peripheries of two sides of the mask body a, and the edge covering material C is also fixedly covered on the connection part of the ear band B and the mask body a, and therefore the mask with edge is manufactured.
[ advantageous effects of the embodiments ]
The beneficial effects of the utility model reside in that, the utility model provides an ear area shaping welding set of gauze mask, including a conveying mechanism, a cam mechanism, a cutting mechanism, a plurality of book tape unit structure and a welding mechanism. The mask body and the ear belts can be placed on a bearing seat of the conveying mechanism to be conveyed and advance, the cam mechanism pushes the clamping piece to perform clamping action by the linear cam so as to clamp the ear belts, the ear belts are conveyed to the cutting mechanism to be cut into preset lengths, then the linear cam pushes the belt folding piece of the belt folding mechanism, the belt folding piece bends the ear belts, and the ear belts are conveyed to the welding mechanism to be welded and fixed on the mask body. Therefore, the utility model discloses enable the quick shaping in gauze mask of ear area, make gauze mask production speed and yield promote.
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 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 an ear area shaping welding set of gauze mask which characterized in that includes:
the conveying mechanism is provided with a plurality of bearing seats, the bearing seats can be used for placing a mask body respectively, the bearing seats can drive the mask bodies to advance along a conveying direction, two ear belts of the mask body can be placed on the bearing seats, the two ear belts are long and continuous, each bearing seat is provided with two fixing pieces and two clamping pieces, the two clamping pieces are movably arranged between the two fixing pieces, and the two clamping pieces can move towards or reverse to the directions of the two fixing pieces;
the cam mechanism is provided with a linear cam, the linear cam is provided with a first cam part and a second cam part, the first cam part and the second cam part extend along the conveying direction, and the first cam part can drive the two clamping pieces to move towards or opposite to the directions of the two fixing pieces so as to clamp or release the two ear belts;
the cutting mechanism is close to the conveying mechanism and comprises two cutting units, and the two cutting units correspond to the two ear belts respectively and can be used for cutting the two long continuous ear belts into preset lengths;
the folding mechanisms are respectively arranged on the bearing seats, each folding mechanism comprises two first folding belt pieces and two second folding belt pieces, the two first folding belt pieces and the two second folding belt pieces are movably arranged on the bearing seats, and the second cam part can drive the two first folding belt pieces and the two second folding belt pieces to move towards the two ear belts and push the two ends of the ear belts to be bent; and
a welding mechanism, welding mechanism is close to conveying mechanism, welding mechanism contains two welding unit, two welding unit respectively with the ear area is corresponding, two welding unit can with the both ends butt fusion of ear area is fixed in the gauze mask body.
2. The mask ear band forming and welding device according to claim 1, wherein the two fixing members of the carrying seat are disposed near two sides of the carrying seat, each fixing member has a first edge and two second edges, the first edge extends along the conveying direction, the two second edges are connected to two ends of the first edge, the two ear bands can be disposed near the first edges of the two fixing members, and the two clamping members of each carrying seat can clamp the two ear bands between the two clamping members and the first edges of the two fixing members when moving toward the two fixing members.
3. The mask ear band shaping welder of claim 2 wherein said two second sides of each of said fixing members are perpendicular to said first side.
4. The mask ear band forming and welding device of claim 1 wherein said first cam portion and said second cam portion are formed on the upper half and the lower half of said linear cam, respectively, and said first cam portion and said second cam portion are formed with symmetrical cam surfaces on both sides, respectively.
5. The mask ear band forming and welding device of claim 1, wherein each of the two holding members of the carrying seat is connected to a first roller, and the first rollers connected to the two holding members contact with two sides of the first cam portion respectively, so that the first cam portion can push the first roller to move inward and outward to link the two holding members to move toward or away from the two fixing members.
6. The mask ear band forming and welding device as claimed in claim 1, wherein each of the cutting units comprises a cutter wheel and an anvil wheel, the cutter wheel and the anvil wheel are disposed opposite to each other, the cutter wheel has a plurality of cutters, the plurality of cutters are disposed at intervals on an outer edge of the cutter wheel, the anvil wheel has a plurality of protrusions, the plurality of protrusions are disposed at intervals on an outer edge of the anvil wheel, and the plurality of protrusions can drive the cutter wheel and the anvil wheel to rotate, so as to cut the ear band between the cutter wheel and the anvil wheel into a predetermined length.
7. The mask ear band forming and welding device according to claim 1, wherein the two first folding straps and the two second folding straps are connected to a second roller through a linkage, the second roller contacts with two sides of the second cam portion, respectively, the second cam portion can push the second roller to move inward and outward, so that the second roller can link the two first folding straps and the two second folding straps to move toward or away from the fixing member through the linkage, respectively, the first folding straps can push one end of the ear band to bend, and the second folding straps can push the other end of the ear band to bend.
8. The mask ear band forming and welding device of claim 1, wherein each welding unit comprises a welding device and a welding wheel, the welding wheel has a plurality of net-shaped protrusions, the net-shaped protrusions are arranged at intervals and protrude out of the outer edge of the welding wheel, the welding wheel can be driven to rotate, the net-shaped protrusions of the welding wheel are abutted against the welding device, and the two ends of the ear band are welded and fixed on the mask body.
9. The mask ear band forming and welding device according to claim 1, wherein a plurality of sliding grooves are respectively formed in the plurality of carrying bases, the extending direction of the plurality of sliding grooves is perpendicular to the conveying direction, and the two first folding strips and the two second folding strips are respectively slidably fitted in the plurality of sliding grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120123345.1U CN214605990U (en) | 2021-01-18 | 2021-01-18 | Ear belt forming and welding device for mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120123345.1U CN214605990U (en) | 2021-01-18 | 2021-01-18 | Ear belt forming and welding device for mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214605990U true CN214605990U (en) | 2021-11-05 |
Family
ID=78436990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120123345.1U Expired - Fee Related CN214605990U (en) | 2021-01-18 | 2021-01-18 | Ear belt forming and welding device for mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214605990U (en) |
-
2021
- 2021-01-18 CN CN202120123345.1U patent/CN214605990U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211105 |